From 8df3db566a3a937b45ebf11adb90d265e6f5e2d4 Mon Sep 17 00:00:00 2001 From: Andreas Baumann Date: Sun, 17 Nov 2019 20:45:02 +0100 Subject: initial checking of customized version 1.0rc9 --- vendor/ezyang/htmlpurifier/CREDITS | 9 + vendor/ezyang/htmlpurifier/INSTALL | 373 ++ vendor/ezyang/htmlpurifier/INSTALL.fr.utf8 | 60 + vendor/ezyang/htmlpurifier/LICENSE | 504 +++ vendor/ezyang/htmlpurifier/NEWS | 1190 +++++ vendor/ezyang/htmlpurifier/README.md | 29 + vendor/ezyang/htmlpurifier/TODO | 150 + vendor/ezyang/htmlpurifier/VERSION | 1 + vendor/ezyang/htmlpurifier/WHATSNEW | 13 + vendor/ezyang/htmlpurifier/WYSIWYG | 20 + vendor/ezyang/htmlpurifier/composer.json | 25 + .../extras/ConfigDoc/HTMLXSLTProcessor.php | 91 + vendor/ezyang/htmlpurifier/extras/FSTools.php | 164 + vendor/ezyang/htmlpurifier/extras/FSTools/File.php | 141 + .../extras/HTMLPurifierExtras.auto.php | 11 + .../extras/HTMLPurifierExtras.autoload-legacy.php | 15 + .../extras/HTMLPurifierExtras.autoload.php | 23 + 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written by Edward Z. Yang (Ambush Commander). Lots of thanks +to the DevNetwork Community for their help (see docs/ref-devnetwork.html for +more details), Feyd especially (namely IPv6 and optimization). Thanks to RSnake +for letting me package his fantastic XSS cheatsheet for a smoketest. + + vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/INSTALL b/vendor/ezyang/htmlpurifier/INSTALL new file mode 100644 index 0000000..e6dd02a --- /dev/null +++ b/vendor/ezyang/htmlpurifier/INSTALL @@ -0,0 +1,373 @@ + +Install + How to install HTML Purifier + +HTML Purifier is designed to run out of the box, so actually using the +library is extremely easy. (Although... if you were looking for a +step-by-step installation GUI, you've downloaded the wrong software!) + +While the impatient can get going immediately with some of the sample +code at the bottom of this library, it's well worth reading this entire +document--most of the other documentation assumes that you are familiar +with these contents. + + +--------------------------------------------------------------------------- +1. Compatibility + +HTML Purifier is PHP 5 and PHP 7, and is actively tested from PHP 5.0.5 +and up. It has no core dependencies with other libraries. + +These optional extensions can enhance the capabilities of HTML Purifier: + + * iconv : Converts text to and from non-UTF-8 encodings + * bcmath : Used for unit conversion and imagecrash protection + * tidy : Used for pretty-printing HTML + +These optional libraries can enhance the capabilities of HTML Purifier: + + * CSSTidy : Clean CSS stylesheets using %Core.ExtractStyleBlocks + Note: You should use the modernized fork of CSSTidy available + at https://github.com/Cerdic/CSSTidy + * Net_IDNA2 (PEAR) : IRI support using %Core.EnableIDNA + Note: This is not necessary for PHP 5.3 or later + +--------------------------------------------------------------------------- +2. Reconnaissance + +A big plus of HTML Purifier is its inerrant support of standards, so +your web-pages should be standards-compliant. (They should also use +semantic markup, but that's another issue altogether, one HTML Purifier +cannot fix without reading your mind.) + +HTML Purifier can process these doctypes: + +* XHTML 1.0 Transitional (default) +* XHTML 1.0 Strict +* HTML 4.01 Transitional +* HTML 4.01 Strict +* XHTML 1.1 + +...and these character encodings: + +* UTF-8 (default) +* Any encoding iconv supports (with crippled internationalization support) + +These defaults reflect what my choices would be if I were authoring an +HTML document, however, what you choose depends on the nature of your +codebase. If you don't know what doctype you are using, you can determine +the doctype from this identifier at the top of your source code: + + + +...and the character encoding from this code: + + + +If the character encoding declaration is missing, STOP NOW, and +read 'docs/enduser-utf8.html' (web accessible at +http://htmlpurifier.org/docs/enduser-utf8.html). In fact, even if it is +present, read this document anyway, as many websites specify their +document's character encoding incorrectly. + + +--------------------------------------------------------------------------- +3. Including the library + +The procedure is quite simple: + + require_once '/path/to/library/HTMLPurifier.auto.php'; + +This will setup an autoloader, so the library's files are only included +when you use them. + +Only the contents in the library/ folder are necessary, so you can remove +everything else when using HTML Purifier in a production environment. + +If you installed HTML Purifier via PEAR, all you need to do is: + + require_once 'HTMLPurifier.auto.php'; + +Please note that the usual PEAR practice of including just the classes you +want will not work with HTML Purifier's autoloading scheme. + +Advanced users, read on; other users can skip to section 4. + +Autoload compatibility +---------------------- + + HTML Purifier attempts to be as smart as possible when registering an + autoloader, but there are some cases where you will need to change + your own code to accomodate HTML Purifier. These are those cases: + + PHP VERSION IS LESS THAN 5.1.2, AND YOU'VE DEFINED __autoload + Because spl_autoload_register() doesn't exist in early versions + of PHP 5, HTML Purifier has no way of adding itself to the autoload + stack. Modify your __autoload function to test + HTMLPurifier_Bootstrap::autoload($class) + + For example, suppose your autoload function looks like this: + + function __autoload($class) { + require str_replace('_', '/', $class) . '.php'; + return true; + } + + A modified version with HTML Purifier would look like this: + + function __autoload($class) { + if (HTMLPurifier_Bootstrap::autoload($class)) return true; + require str_replace('_', '/', $class) . '.php'; + return true; + } + + Note that there *is* some custom behavior in our autoloader; the + original autoloader in our example would work for 99% of the time, + but would fail when including language files. + + AN __autoload FUNCTION IS DECLARED AFTER OUR AUTOLOADER IS REGISTERED + spl_autoload_register() has the curious behavior of disabling + the existing __autoload() handler. Users need to explicitly + spl_autoload_register('__autoload'). Because we use SPL when it + is available, __autoload() will ALWAYS be disabled. If __autoload() + is declared before HTML Purifier is loaded, this is not a problem: + HTML Purifier will register the function for you. But if it is + declared afterwards, it will mysteriously not work. This + snippet of code (after your autoloader is defined) will fix it: + + spl_autoload_register('__autoload') + + Users should also be on guard if they use a version of PHP previous + to 5.1.2 without an autoloader--HTML Purifier will define __autoload() + for you, which can collide with an autoloader that was added by *you* + later. + + +For better performance +---------------------- + + Opcode caches, which greatly speed up PHP initialization for scripts + with large amounts of code (HTML Purifier included), don't like + autoloaders. We offer an include file that includes all of HTML Purifier's + files in one go in an opcode cache friendly manner: + + // If /path/to/library isn't already in your include path, uncomment + // the below line: + // require '/path/to/library/HTMLPurifier.path.php'; + + require 'HTMLPurifier.includes.php'; + + Optional components still need to be included--you'll know if you try to + use a feature and you get a class doesn't exists error! The autoloader + can be used in conjunction with this approach to catch classes that are + missing. Simply add this afterwards: + + require 'HTMLPurifier.autoload.php'; + +Standalone version +------------------ + + HTML Purifier has a standalone distribution; you can also generate + a standalone file from the full version by running the script + maintenance/generate-standalone.php . The standalone version has the + benefit of having most of its code in one file, so parsing is much + faster and the library is easier to manage. + + If HTMLPurifier.standalone.php exists in the library directory, you + can use it like this: + + require '/path/to/HTMLPurifier.standalone.php'; + + This is equivalent to including HTMLPurifier.includes.php, except that + the contents of standalone/ will be added to your path. To override this + behavior, specify a new HTMLPURIFIER_PREFIX where standalone files can + be found (usually, this will be one directory up, the "true" library + directory in full distributions). Don't forget to set your path too! + + The autoloader can be added to the end to ensure the classes are + loaded when necessary; otherwise you can manually include them. + To use the autoloader, use this: + + require 'HTMLPurifier.autoload.php'; + +For advanced users +------------------ + + HTMLPurifier.auto.php performs a number of operations that can be done + individually. These are: + + HTMLPurifier.path.php + Puts /path/to/library in the include path. For high performance, + this should be done in php.ini. + + HTMLPurifier.autoload.php + Registers our autoload handler HTMLPurifier_Bootstrap::autoload($class). + + You can do these operations by yourself--in fact, you must modify your own + autoload handler if you are using a version of PHP earlier than PHP 5.1.2 + (See "Autoload compatibility" above). + + +--------------------------------------------------------------------------- +4. Configuration + +HTML Purifier is designed to run out-of-the-box, but occasionally HTML +Purifier needs to be told what to do. If you answer no to any of these +questions, read on; otherwise, you can skip to the next section (or, if you're +into configuring things just for the heck of it, skip to 4.3). + +* Am I using UTF-8? +* Am I using XHTML 1.0 Transitional? + +If you answered no to any of these questions, instantiate a configuration +object and read on: + + $config = HTMLPurifier_Config::createDefault(); + + +4.1. Setting a different character encoding + +You really shouldn't use any other encoding except UTF-8, especially if you +plan to support multilingual websites (read section three for more details). +However, switching to UTF-8 is not always immediately feasible, so we can +adapt. + +HTML Purifier uses iconv to support other character encodings, as such, +any encoding that iconv supports +HTML Purifier supports with this code: + + $config->set('Core.Encoding', /* put your encoding here */); + +An example usage for Latin-1 websites (the most common encoding for English +websites): + + $config->set('Core.Encoding', 'ISO-8859-1'); + +Note that HTML Purifier's support for non-Unicode encodings is crippled by the +fact that any character not supported by that encoding will be silently +dropped, EVEN if it is ampersand escaped. If you want to work around +this, you are welcome to read docs/enduser-utf8.html for a fix, +but please be cognizant of the issues the "solution" creates (for this +reason, I do not include the solution in this document). + + +4.2. Setting a different doctype + +For those of you using HTML 4.01 Transitional, you can disable +XHTML output like this: + + $config->set('HTML.Doctype', 'HTML 4.01 Transitional'); + +Other supported doctypes include: + + * HTML 4.01 Strict + * HTML 4.01 Transitional + * XHTML 1.0 Strict + * XHTML 1.0 Transitional + * XHTML 1.1 + + +4.3. Other settings + +There are more configuration directives which can be read about +here: They're a bit boring, +but they can help out for those of you who like to exert maximum control over +your code. Some of the more interesting ones are configurable at the +demo and are well worth looking into +for your own system. + +For example, you can fine tune allowed elements and attributes, convert +relative URLs to absolute ones, and even autoparagraph input text! These +are, respectively, %HTML.Allowed, %URI.MakeAbsolute and %URI.Base, and +%AutoFormat.AutoParagraph. The %Namespace.Directive naming convention +translates to: + + $config->set('Namespace.Directive', $value); + +E.g. + + $config->set('HTML.Allowed', 'p,b,a[href],i'); + $config->set('URI.Base', 'http://www.example.com'); + $config->set('URI.MakeAbsolute', true); + $config->set('AutoFormat.AutoParagraph', true); + + +--------------------------------------------------------------------------- +5. Caching + +HTML Purifier generates some cache files (generally one or two) to speed up +its execution. For maximum performance, make sure that +library/HTMLPurifier/DefinitionCache/Serializer is writeable by the webserver. + +If you are in the library/ folder of HTML Purifier, you can set the +appropriate permissions using: + + chmod -R 0755 HTMLPurifier/DefinitionCache/Serializer + +If the above command doesn't work, you may need to assign write permissions +to group: + + chmod -R 0775 HTMLPurifier/DefinitionCache/Serializer + +You can also chmod files via your FTP client; this option +is usually accessible by right clicking the corresponding directory and +then selecting "chmod" or "file permissions". + +Starting with 2.0.1, HTML Purifier will generate friendly error messages +that will tell you exactly what you have to chmod the directory to, if in doubt, +follow its advice. + +If you are unable or unwilling to give write permissions to the cache +directory, you can either disable the cache (and suffer a performance +hit): + + $config->set('Core.DefinitionCache', null); + +Or move the cache directory somewhere else (no trailing slash): + + $config->set('Cache.SerializerPath', '/home/user/absolute/path'); + + +--------------------------------------------------------------------------- +6. Using the code + +The interface is mind-numbingly simple: + + $purifier = new HTMLPurifier($config); + $clean_html = $purifier->purify( $dirty_html ); + +That's it! For more examples, check out docs/examples/ (they aren't very +different though). Also, docs/enduser-slow.html gives advice on what to +do if HTML Purifier is slowing down your application. + + +--------------------------------------------------------------------------- +7. Quick install + +First, make sure library/HTMLPurifier/DefinitionCache/Serializer is +writable by the webserver (see Section 5: Caching above for details). +If your website is in UTF-8 and XHTML Transitional, use this code: + +purify($dirty_html); +?> + +If your website is in a different encoding or doctype, use this code: + +set('Core.Encoding', 'ISO-8859-1'); // replace with your encoding + $config->set('HTML.Doctype', 'HTML 4.01 Transitional'); // replace with your doctype + $purifier = new HTMLPurifier($config); + + $clean_html = $purifier->purify($dirty_html); +?> + + vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/INSTALL.fr.utf8 b/vendor/ezyang/htmlpurifier/INSTALL.fr.utf8 new file mode 100644 index 0000000..95164ab --- /dev/null +++ b/vendor/ezyang/htmlpurifier/INSTALL.fr.utf8 @@ -0,0 +1,60 @@ + +Installation + Comment installer HTML Purifier + +Attention : Ce document est encodé en UTF-8, si les lettres avec des accents +ne s'affichent pas, prenez un meilleur éditeur de texte. + +L'installation de HTML Purifier est très simple, parce qu'il n'a pas besoin +de configuration. Pour les utilisateurs impatients, le code se trouve dans le +pied de page, mais je recommande de lire le document. + +1. Compatibilité + +HTML Purifier fonctionne avec PHP 5. PHP 5.0.5 est la dernière version testée. +Il ne dépend pas d'autres librairies. + +Les extensions optionnelles sont iconv (généralement déjà installée) et tidy +(répendue aussi). Si vous utilisez UTF-8 et que vous ne voulez pas l'indentation, +vous pouvez utiliser HTML Purifier sans ces extensions. + + +2. Inclure la librairie + +Quand vous devez l'utilisez, incluez le : + + require_once('/path/to/library/HTMLPurifier.auto.php'); + +Ne pas l'inclure si ce n'est pas nécessaire, car HTML Purifier est lourd. + +HTML Purifier utilise "autoload". Si vous avez défini la fonction __autoload, +vous devez ajouter cette fonction : + + spl_autoload_register('__autoload') + +Plus d'informations dans le document "INSTALL". + +3. Installation rapide + +Si votre site Web est en UTF-8 et XHTML Transitional, utilisez : + +purify($html_a_purifier); +?> + +Sinon, utilisez : + +set('Core', 'Encoding', 'ISO-8859-1'); //Remplacez par votre + encodage + $config->set('Core', 'XHTML', true); //Remplacer par false si HTML 4.01 + $purificateur = new HTMLPurifier($config); + $html_propre = $purificateur->purify($html_a_purifier); +?> + + + vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/LICENSE b/vendor/ezyang/htmlpurifier/LICENSE new file mode 100644 index 0000000..8c88a20 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/LICENSE @@ -0,0 +1,504 @@ + GNU LESSER GENERAL PUBLIC LICENSE + Version 2.1, February 1999 + + Copyright (C) 1991, 1999 Free Software Foundation, Inc. + 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + +[This is the first released version of the Lesser GPL. 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Relative CSS length units are now supported +- A few PHP 7.2 compatibility fixes, thanks John Flatness + +- Improve portability with old versions of libxml which don't + support accessing the data of a node +- IDNA2008 is now used for converting domains to ASCII, fixing + some rather strange bugs with international domains +- Fix race condition resulting in E_WARNING when creating + directories with Serializer + +4.9.3, released 2017-06-02 +- Workaround PHP 7.1 infinite loop when opcode cache is enabled. + Thanks @Xiphin (#134, #135) +- Don't use autoloader when testing for DOMDocument. Hypothetically, + this could cause your install to start using DirectLex if you had + previously been monkeypatching in a custom, autoloaded implementation + of DOMDocument. Don't do that. Thanks @Izumi-kun (#130) + +4.9.2, released 2017-03-12 +- Fixes PHP 5.3 compatibility +- Fix breakage when decoding decimal entities. Thanks @rybakit (#129) + +4.9.1, released 2017-03-08 +! %URI.DefaultScheme can now be set to null, in which case + all relative paths are removed. +! New CSS properties: min-width, max-width, min-height, max-height (#94) +! Transparency (rgba) and hsl/hsla supported where color CSS is present. + Thanks @fxbt for contributing the patch. (#118) +- When idn_to_ascii is defined, we might accept malformed + hostnames. Apply validation to the result in such cases. +- Close directory when done in Serializer DefinitionCache (#100) +- Deleted some asserts to avoid linters from choking (#97) +- Rework Serializer cache behavior to avoid chmod'ing if possible (#32) +- Embedded semicolons in strings in CSS are now handled correctly! +- We accidentally dropped certain Unicode characters if there was + one or more invalid characters. This has been fixed, thanks + to mpyw +- Fix for "Don't truncate upon encountering when using DOMLex" + caused a regression with HTML 4.01 Strict parsing with libxml 2.9.1 + (and maybe later versions, but known OK with libxml 2.9.4). The + fix is to go about handling truncation a bit more cleverly so that + we can wrap with divs (sidestepping the bug) but slurping out the + rest of the text in case it ran off the end. (#78) +- Fix PREG_BACKTRACK_LIMIT_ERROR in HTMLPurifier_Filter_ExtractStyle. + Thanks @breathbath for contributing the report and fix (#120) +- Fix entity decoding algorithm to be more conservative about + decoding entities that are missing trailing semicolon. + To get old behavior, set %Core.LegacyEntityDecoder to true. + (#119) +- Workaround libxml bug when HTML tags are embedded inside + script tags. To disable workaround set %Core.AggressivelyRemoveScript + to false. (#83) +# By default, when a link has a target attribute associated + with it, we now also add rel="noopener" in order to + prevent the new window from being able to overwrite + the original frame. To disable this protection, + set %HTML.TargetNoopener to FALSE. + +4.9.0 was cut on Git but never properly released; when we did the +real release we decided to skip this version number. + +4.8.0, released 2016-07-16 +# By default, when a link has a target attribute associated + with it, we now also add rel="noreferrer" in order to + prevent the new window from being able to overwrite + the original frame. To disable this protection, + set %HTML.TargetNoreferrer to FALSE. +! Full PHP 7 compatibility, the test suite is ALL GO. +! %CSS.AllowDuplicates permits duplicate CSS properties. +! Support for 'tel' URIs. +! Partial support for 'border-radius' properties when %CSS.AllowProprietary is true. + The slash syntax, i.e., 'border-radius: 2em 1em 4em / 0.5em 3em' is not + yet supported. +! %Attr.ID.HTML5 turns on HTML5-style ID handling. +- alt truncation could result in malformed UTF-8 sequence. Don't + truncate. Thanks Brandon Farber for reporting. +- Linkify regex is smarter, based off of Gruber's regex. +- IDNA supported natively on PHP 5.3 and later. +- Non all-numeric top-level names (e.g., foo.1f, 1f) are now + allowed. +- Minor bounds error fix to squash a PHP 7 notice. +- Support non-/tmp temporary directories for data:// validation +- Give a better error message when a user attempts to allow + ul/ol without allowing li. +- On some versions of PHP, the Serializer DefinitionCache could + infinite loop when the directory exists but is not listable. (#49) +- Don't match for inside comments with + %Core.ConvertDocumentToFragment. (#67) +- SafeObject is now less case sensitive. (#57) +- AutoFormat.RemoveEmpty.Predicate now correctly renders in + web form. (#85) + +4.7.0, released 2015-08-04 +# opacity is now considered a "tricky" CSS property rather than a + proprietary one. +! %AutoFormat.RemoveEmpty.Predicate for specifying exactly when + an element should be considered "empty" (maybe preserve if it + has attributes), and modify iframe support so that the iframe + is removed if it is missing a src attribute. Thanks meeva for + reporting. +- Don't truncate upon encountering when using DOMLex. Thanks + Myrto Christina for finally convincing me to fix this. +- Update YouTube filter for new code. +- Fix parsing of rgb() values with spaces in them for 'border' + attribute. +- Don't remove foo="" attributes if foo is a boolean attribute. Thanks + valME for reporting. + +4.6.0, released 2013-11-30 +# Secure URI munge hashing algorithm has changed to hash_hmac("sha256", $url, $secret). + Please update any verification scripts you may have. +# URI parsing algorithm was made more strict, so only prefixes which + looks like schemes will actually be schemes. Thanks + Michael Gusev for fixing. +# %Core.EscapeInvalidChildren is no longer supported, and no longer does + anything. +! New directive %Core.AllowHostnameUnderscore which allows underscores + in hostnames. +- Eliminate quadratic behavior in DOMLex by using a proper queue. + Thanks Ole Laursen for noticing this. +- Rewritten MakeWellFormed/FixNesting implementation eliminates quadratic + behavior in the rest of the purificaiton pipeline. Thanks Chedburn + Networks for sponsoring this work. +- Made Linkify URL parser a bit less permissive, so that non-breaking + spaces and commas are not included as part of URL. Thanks nAS for fixing. +- Fix some bad interactions with %HTML.Allowed and injectors. Thanks + David Hirtz for reporting. +- Fix infinite loop in DirectLex. Thanks Ashar Javed (@soaj1664ashar) + for reporting. + +4.5.0, released 2013-02-17 +# Fix bug where stacked attribute transforms clobber each other; + this also means it's no longer possible to override attribute + transforms in later modules. No internal code was using this + but this may break some clients. +# We now use SHA-1 to identify cached definitions, instead of MD5. +! Support display:inline-block +! Support for more white-space CSS values. +! Permit underscores in font families +! Support for page-break-* CSS3 properties when proprietary properties + are enabled. +! New directive %Core.DisableExcludes; can be set to 'true' to turn off + SGML excludes checking. If HTML Purifier is removing too much text + and you don't care about full standards compliance, try setting this to + 'true'. +- Use prepend for SPL autoloading on PHP 5.3 and later. +- Fix bug with nofollow transform when pre-existing rel exists. +- Fix bug where background:url() always gets lower-cased + (but not background-image:url()) +- Fix bug with non lower-case color names in HTML +- Fix bug where data URI validation doesn't remove temporary files. + Thanks Javier Marín Ros for reporting. +- Don't remove certain empty tags on RemoveEmpty. + +4.4.0, released 2012-01-18 +# Removed PEARSax3 handler. +# URI.Munge now munges URIs inside the same host that go from https + to http. Reported by Neike Taika-Tessaro. +# Core.EscapeNonASCIICharacters now always transforms entities to + entities, even if target encoding is UTF-8. +# Tighten up selector validation in ExtractStyleBlocks. + Non-syntactically valid selectors are now rejected, along with + some of the more obscure ones such as attribute selectors, the + :lang pseudoselector, and anything not in CSS2.1. Furthermore, + ID and class selectors now work properly with the relevant + configuration attributes. Also, mute errors when parsing CSS + with CSS Tidy. Reported by Mario Heiderich and Norman Hippert. +! Added support for 'scope' attribute on tables. +! Added %HTML.TargetBlank, which adds target="blank" to all outgoing links. +! Properly handle sub-lists directly nested inside of lists in + a standards compliant way, by moving them into the preceding
  • +! Added %HTML.AllowedComments and %HTML.AllowedCommentsRegexp for + limited allowed comments in untrusted situations. +! Implement iframes, and allow them to be used in untrusted mode with + %HTML.SafeIframe and %URI.SafeIframeRegexp. Thanks Bradley M. Froehle + for submitting an initial version of the patch. +! The Forms module now works properly for transitional doctypes. +! Added support for internationalized domain names. You need the PEAR + Net_IDNA2 module to be in your path; if it is installed, ensure the + class can be loaded and then set %Core.EnableIDNA to true. +- Color keywords are now case insensitive. Thanks Yzmir Ramirez + for reporting. +- Explicitly initialize anonModule variable to null. +- Do not duplicate nofollow if already present. Thanks 178 + for reporting. +- Do not add nofollow if hostname matches our current host. Thanks 178 + for reporting, and Neike Taika-Tessaro for helping diagnose. +- Do not unset parser variable; this fixes intermittent serialization + problems. Thanks Neike Taika-Tessaro for reporting, bill + <10010tiger@gmail.com> for diagnosing. +- Fix iconv truncation bug, where non-UTF-8 target encodings see + output truncated after around 8000 characters. Thanks Jörg Ludwig + for reporting. +- Fix broken table content model for XHTML1.1 (and also earlier + versions, although the W3C validator doesn't catch those violations). + Thanks GlitchMr for reporting. + +4.3.0, released 2011-03-27 +# Fixed broken caching of customized raw definitions, but requires an + API change. The old API still works but will emit a warning, + see http://htmlpurifier.org/docs/enduser-customize.html#optimized + for how to upgrade your code. +# Protect against Internet Explorer innerHTML behavior by specially + treating attributes with backticks but no angled brackets, quotes or + spaces. This constitutes a slight semantic change, which can be + reverted using %Output.FixInnerHTML. Reported by Neike Taika-Tessaro + and Mario Heiderich. +# Protect against cssText/innerHTML by restricting allowed characters + used in fonts further than mandated by the specification and encoding + some extra special characters in URLs. Reported by Neike + Taika-Tessaro and Mario Heiderich. +! Added %HTML.Nofollow to add rel="nofollow" to external links. +! More types of SPL autoloaders allowed on later versions of PHP. +! Implementations for position, top, left, right, bottom, z-index + when %CSS.Trusted is on. +! Add %Cache.SerializerPermissions option for custom serializer + directory/file permissions +! Fix longstanding bug in Flash support for non-IE browsers, and + allow more wmode attributes. +! Add %CSS.AllowedFonts to restrict permissible font names. +- Switch to an iterative traversal of the DOM, which prevents us + from running out of stack space for deeply nested documents. + Thanks Maxim Krizhanovsky for contributing a patch. +- Make removal of conditional IE comments ungreedy; thanks Bernd + for reporting. +- Escape CDATA before removing Internet Explorer comments. +- Fix removal of id attributes under certain conditions by ensuring + armor attributes are preserved when recreating tags. +- Check if schema.ser was corrupted. +- Check if zend.ze1_compatibility_mode is on, and error out if it is. + This safety check is only done for HTMLPurifier.auto.php; if you + are using standalone or the specialized includes files, you're + expected to know what you're doing. +- Stop repeatedly writing the cache file after I'm done customizing a + raw definition. Reported by ajh. +- Switch to using require_once in the Bootstrap to work around bad + interaction with Zend Debugger and APC. Reported by Antonio Parraga. +- Fix URI handling when hostname is missing but scheme is present. + Reported by Neike Taika-Tessaro. +- Fix missing numeric entities on DirectLex; thanks Neike Taika-Tessaro + for reporting. +- Fix harmless notice from indexing into empty string. Thanks Matthijs + Kooijman for reporting. +- Don't autoclose no parent elements are able to support the element + that triggered the autoclose. In particular fixes strange behavior + of stray
  • tags. Thanks pkuliga@gmail.com for reporting and + Neike Taika-Tessaro for debugging assistance. + +4.2.0, released 2010-09-15 +! Added %Core.RemoveProcessingInstructions, which lets you remove + statements. +! Added %URI.DisableResources functionality; the directive originally + did nothing. Thanks David Rothstein for reporting. +! Add documentation about configuration directive types. +! Add %CSS.ForbiddenProperties configuration directive. +! Add %HTML.FlashAllowFullScreen to permit embedded Flash objects + to utilize full-screen mode. +! Add optional support for the file URI scheme, enable + by explicitly setting %URI.AllowedSchemes. +! Add %Core.NormalizeNewlines options to allow turning off newline + normalization. +- Fix improper handling of Internet Explorer conditional comments + by parser. Thanks zmonteca for reporting. +- Fix missing attributes bug when running on Mac Snow Leopard and APC. + Thanks sidepodcast for the fix. +- Warn if an element is allowed, but an attribute it requires is + not allowed. + +4.1.1, released 2010-05-31 +- Fix undefined index warnings in maintenance scripts. +- Fix bug in DirectLex for parsing elements with a single attribute + with entities. +- Rewrite CSS output logic for font-family and url(). Thanks Mario + Heiderich for reporting and Takeshi + Terada for suggesting the fix. +- Emit an error for CollectErrors if a body is extracted +- Fix bug where in background-position for center keyword handling. +- Fix infinite loop when a wrapper element is inserted in a context + where it's not allowed. Thanks Lars for reporting. +- Remove +x bit and shebang from index.php; only supported mode is to + explicitly call it with php. +- Make test script less chatty when log_errors is on. + +4.1.0, released 2010-04-26 +! Support proprietary height attribute on table element +! Support YouTube slideshows that contain /cp/ in their URL. +! Support for data: URI scheme; not enabled by default, add it using + %URI.AllowedSchemes +! Support flashvars when using %HTML.SafeObject and %HTML.SafeEmbed. +! Support for Internet Explorer compatibility with %HTML.SafeObject + using %Output.FlashCompat. +! Handle
        properly, by inserting the necessary
      1. tag. +- Always quote the insides of url(...) in CSS. + +4.0.0, released 2009-07-07 +# APIs for ConfigSchema subsystem have substantially changed. See + docs/dev-config-bcbreaks.txt for details; in essence, anything that + had both namespace and directive now have a single unified key. +# Some configuration directives were renamed, specifically: + %AutoFormatParam.PurifierLinkifyDocURL -> %AutoFormat.PurifierLinkify.DocURL + %FilterParam.ExtractStyleBlocksEscaping -> %Filter.ExtractStyleBlocks.Escaping + %FilterParam.ExtractStyleBlocksScope -> %Filter.ExtractStyleBlocks.Scope + %FilterParam.ExtractStyleBlocksTidyImpl -> %Filter.ExtractStyleBlocks.TidyImpl + As usual, the old directive names will still work, but will throw E_NOTICE + errors. +# The allowed values for class have been relaxed to allow all of CDATA for + doctypes that are not XHTML 1.1 or XHTML 2.0. For old behavior, set + %Attr.ClassUseCDATA to false. +# Instead of appending the content model to an old content model, a blank + element will replace the old content model. You can use #SUPER to get + the old content model. +! More robust support for name="" and id="" +! HTMLPurifier_Config::inherit($config) allows you to inherit one + configuration, and have changes to that configuration be propagated + to all of its children. +! Implement %HTML.Attr.Name.UseCDATA, which relaxes validation rules on + the name attribute when set. Use with care. Thanks Ian Cook for + sponsoring. +! Implement %AutoFormat.RemoveEmpty.RemoveNbsp, which removes empty + tags that contain non-breaking spaces as well other whitespace. You + can also modify which tags should have   maintained with + %AutoFormat.RemoveEmpty.RemoveNbsp.Exceptions. +! Implement %Attr.AllowedClasses, which allows administrators to restrict + classes users can use to a specified finite set of classes, and + %Attr.ForbiddenClasses, which is the logical inverse. +! You can now maintain your own configuration schema directories by + creating a config-schema.php file or passing an extra argument. Check + docs/dev-config-schema.html for more details. +! Added HTMLPurifier_Config->serialize() method, which lets you save away + your configuration in a compact serial file, which you can unserialize + and use directly without having to go through the overhead of setup. +- Fix bug where URIDefinition would not get cleared if it's directives got + changed. +- Fix fatal error in HTMLPurifier_Encoder on certain platforms (probably NetBSD 5.0) +- Fix bug in Linkify autoformatter involving http://foo +- Make %URI.Munge not apply to links that have the same host as your host. +- Prevent stray tag from truncating output, if a second + is present. +. Created script maintenance/rename-config.php for renaming a configuration + directive while maintaining its alias. This script does not change source code. +. Implement namespace locking for definition construction, to prevent + bugs where a directive is used for definition construction but is not + used to construct the cache hash. + +3.3.0, released 2009-02-16 +! Implement CSS property 'overflow' when %CSS.AllowTricky is true. +! Implement generic property list classess +- Fix bug with testEncodingSupportsASCII() algorithm when iconv() implementation + does not do the "right thing" with characters not supported in the output + set. +- Spellcheck UTF-8: The Secret To Character Encoding +- Fix improper removal of the contents of elements with only whitespace. Thanks + Eric Wald for reporting. +- Fix broken test suite in versions of PHP without spl_autoload_register() +- Fix degenerate case with YouTube filter involving double hyphens. + Thanks Pierre Attar for reporting. +- Fix YouTube rendering problem on certain versions of Firefox. +- Fix CSSDefinition Printer problems with decorators +- Add text parameter to unit tests, forces text output +. Add verbose mode to command line test runner, use (--verbose) +. Turn on unit tests for UnitConverter +. Fix missing version number in configuration %Attr.DefaultImageAlt (added 3.2.0) +. Fix newline errors that caused spurious failures when CRLF HTML Purifier was + tested on Linux. +. Removed trailing whitespace from all text files, see + remote-trailing-whitespace.php maintenance script. +. Convert configuration to use property list backend. + +3.2.0, released 2008-10-31 +# Using %Core.CollectErrors forces line number/column tracking on, whereas + previously you could theoretically turn it off. +# HTMLPurifier_Injector->notifyEnd() is formally deprecated. Please + use handleEnd() instead. +! %Output.AttrSort for when you need your attributes in alphabetical order to + deal with a bug in FCKEditor. Requested by frank farmer. +! Enable HTML comments when %HTML.Trusted is on. Requested by Waldo Jaquith. +! Proper support for name attribute. It is now allowed and equivalent to the id + attribute in a and img tags, and is only converted to id when %HTML.TidyLevel + is heavy (for all doctypes). +! %AutoFormat.RemoveEmpty to remove some empty tags from documents. Please don't + use on hand-written HTML. +! Add error-cases for unsupported elements in MakeWellFormed. This enables + the strategy to be used, standalone, on untrusted input. +! %Core.AggressivelyFixLt is on by default. This causes more sensible + processing of left angled brackets in smileys and other whatnot. +! Test scripts now have a 'type' parameter, which lets you say 'htmlpurifier', + 'phpt', 'vtest', etc. in order to only execute those tests. This supercedes + the --only-phpt parameter, although for backwards-compatibility the flag + will still work. +! AutoParagraph auto-formatter will now preserve double-newlines upon output. + Users who are not performing inbound filtering, this may seem a little + useless, but as a bonus, the test suite and handling of edge cases is also + improved. +! Experimental implementation of forms for %HTML.Trusted +! Track column numbers when maintain line numbers is on +! Proprietary 'background' attribute on table-related elements converted into + corresponding CSS. Thanks Fusemail for sponsoring this feature! +! Add forward(), forwardUntilEndToken(), backward() and current() to Injector + supertype. +! HTMLPurifier_Injector->handleEnd() permits modification to end tokens. The + time of operation varies slightly from notifyEnd() as *all* end tokens are + processed by the injector before they are subject to the well-formedness rules. +! %Attr.DefaultImageAlt allows overriding default behavior of setting alt to + basename of image when not present. +! %AutoFormat.DisplayLinkURI neuters tags into plain text URLs. +- Fix two bugs in %URI.MakeAbsolute; one involving empty paths in base URLs, + the other involving an undefined $is_folder error. +- Throw error when %Core.Encoding is set to a spurious value. Previously, + this errored silently and returned false. +- Redirected stderr to stdout for flush error output. +- %URI.DisableExternal will now use the host in %URI.Base if %URI.Host is not + available. +- Do not re-munge URL if the output URL has the same host as the input URL. + Requested by Chris. +- Fix error in documentation regarding %Filter.ExtractStyleBlocks +- Prevent ]]> from triggering %Core.ConvertDocumentToFragment +- Fix bug with inline elements in blockquotes conflicting with strict doctype +- Detect if HTML support is disabled for DOM by checking for loadHTML() method. +- Fix bug where dots and double-dots in absolute URLs without hostname were + not collapsed by URIFilter_MakeAbsolute. +- Fix bug with anonymous modules operating on SafeEmbed or SafeObject elements + by reordering their addition. +- Will now throw exception on many error conditions during lexer creation; also + throw an exception when MaintainLineNumbers is true, but a non-tracksLineNumbers + is being used. +- Detect if domxml extension is loaded, and use DirectLEx accordingly. +- Improve handling of big numbers with floating point arithmetic in UnitConverter. + Reported by David Morton. +. Strategy_MakeWellFormed now operates in-place, saving memory and allowing + for more interesting filter-backtracking +. New HTMLPurifier_Injector->rewind() functionality, allows injectors to rewind + index to reprocess tokens. +. StringHashParser now allows for multiline sections with "empty" content; + previously the section would remain undefined. +. Added --quick option to multitest.php, which tests only the most recent + release for each series. +. Added --distro option to multitest.php, which accepts either 'normal' or + 'standalone'. This supercedes --exclude-normal and --exclude-standalone + +3.1.1, released 2008-06-19 +# %URI.Munge now, by default, does not munge resources (for example, ) + In order to enable this again, please set %URI.MungeResources to true. +! More robust imagecrash protection with height/width CSS with %CSS.MaxImgLength, + and height/width HTML with %HTML.MaxImgLength. +! %URI.MungeSecretKey for secure URI munging. Thanks Chris + for sponsoring this feature. Check out the corresponding documentation + for details. (Att Nightly testers: The API for this feature changed before + the general release. Namely, rename your directives %URI.SecureMungeSecretKey => + %URI.MungeSecretKey and and %URI.SecureMunge => %URI.Munge) +! Implemented post URI filtering. Set member variable $post to true to set + a URIFilter as such. +! Allow modules to define injectors via $info_injector. Injectors are + automatically disabled if injector's needed elements are not found. +! Support for "safe" objects added, use %HTML.SafeObject and %HTML.SafeEmbed. + Thanks Chris for sponsoring. If you've been using ad hoc code from the + forums, PLEASE use this instead. +! Added substitutions for %e, %n, %a and %p in %URI.Munge (in order, + embedded, tag name, attribute name, CSS property name). See %URI.Munge + for more details. Requested by Jochem Blok. +- Disable percent height/width attributes for img. +- AttrValidator operations are now atomic; updates to attributes are not + manifest in token until end of operations. This prevents naughty internal + code from directly modifying CurrentToken when they're not supposed to. + This semantics change was requested by frank farmer. +- Percent encoding checks enabled for URI query and fragment +- Fix stray backslashes in font-family; CSS Unicode character escapes are + now properly resolved (although *only* in font-family). Thanks Takeshi Terada + for reporting. +- Improve parseCDATA algorithm to take into account newline normalization +- Account for browser confusion between Yen character and backslash in + Shift_JIS encoding. This fix generalizes to any other encoding which is not + a strict superset of printable ASCII. Thanks Takeshi Terada for reporting. +- Fix missing configuration parameter in Generator calls. Thanks vs for the + partial patch. +- Improved adherence to Unicode by checking for non-character codepoints. + Thanks Geoffrey Sneddon for reporting. This may result in degraded + performance for extremely large inputs. +- Allow CSS property-value pair ''text-decoration: none''. Thanks Jochem Blok + for reporting. +. Added HTMLPurifier_UnitConverter and HTMLPurifier_Length for convenient + handling of CSS-style lengths. HTMLPurifier_AttrDef_CSS_Length now uses + this class. +. API of HTMLPurifier_AttrDef_CSS_Length changed from __construct($disable_negative) + to __construct($min, $max). __construct(true) is equivalent to + __construct('0'). +. Added HTMLPurifier_AttrDef_Switch class +. Rename HTMLPurifier_HTMLModule_Tidy->construct() to setup() and bubble method + up inheritance hierarchy to HTMLPurifier_HTMLModule. All HTMLModules + get this called with the configuration object. All modules now + use this rather than __construct(), although legacy code using constructors + will still work--the new format, however, lets modules access the + configuration object for HTML namespace dependant tweaks. +. AttrDef_HTML_Pixels now takes a single construction parameter, pixels. +. ConfigSchema data-structure heavily optimized; on average it uses a third + the memory it did previously. The interface has changed accordingly, + consult changes to HTMLPurifier_Config for details. +. Variable parsing types now are magic integers instead of strings +. Added benchmark for ConfigSchema +. HTMLPurifier_Generator requires $config and $context parameters. If you + don't know what they should be, use HTMLPurifier_Config::createDefault() + and new HTMLPurifier_Context(). +. Printers now properly distinguish between output configuration, and + target configuration. This is not applicable to scripts using + the Printers for HTML Purifier related tasks. +. HTML/CSS Printers must be primed with prepareGenerator($gen_config), otherwise + fatal errors will ensue. +. URIFilter->prepare can return false in order to abort loading of the filter +. Factory for AttrDef_URI implemented, URI#embedded to indicate URI that embeds + an external resource. +. %URI.Munge functionality factored out into a post-filter class. +. Added CurrentCSSProperty context variable during CSS validation + +3.1.0, released 2008-05-18 +# Unnecessary references to objects (vestiges of PHP4) removed from method + signatures. The following methods do not need references when assigning from + them and will result in E_STRICT errors if you try: + + HTMLPurifier_Config->get*Definition() [* = HTML, CSS] + + HTMLPurifier_ConfigSchema::instance() + + HTMLPurifier_DefinitionCacheFactory::instance() + + HTMLPurifier_DefinitionCacheFactory->create() + + HTMLPurifier_DoctypeRegistry->register() + + HTMLPurifier_DoctypeRegistry->get() + + HTMLPurifier_HTMLModule->addElement() + + HTMLPurifier_HTMLModule->addBlankElement() + + HTMLPurifier_LanguageFactory::instance() +# Printer_ConfigForm's get*() functions were static-ified +# %HTML.ForbiddenAttributes requires attribute declarations to be in the + form of tag@attr, NOT tag.attr (which will throw an error and won't do + anything). This is for forwards compatibility with XML; you'd do best + to migrate an %HTML.AllowedAttributes directives to this syntax too. +! Allow index to be false for config from form creation +! Added HTMLPurifier::VERSION constant +! Commas, not dashes, used for serializer IDs. This change is forwards-compatible + and allows for version numbers like "3.1.0-dev". +! %HTML.Allowed deals gracefully with whitespace anywhere, anytime! +! HTML Purifier's URI handling is a lot more robust, with much stricter + validation checks and better percent encoding handling. Thanks Gareth Heyes + for indicating security vulnerabilities from lax percent encoding. +! Bootstrap autoloader deals more robustly with classes that don't exist, + preventing class_exists($class, true) from barfing. +- InterchangeBuilder now alphabetizes its lists +- Validation error in configdoc output fixed +- Iconv and other encoding errors muted even with custom error handlers that + do not honor error_reporting +- Add protection against imagecrash attack with CSS height/width +- HTMLPurifier::instance() created for consistency, is equivalent to getInstance() +- Fixed and revamped broken ConfigForm smoketest +- Bug with bool/null fields in Printer_ConfigForm fixed +- Bug with global forbidden attributes fixed +- Improved error messages for allowed and forbidden HTML elements and attributes +- Missing (or null) in configdoc documentation restored +- If DOM throws and exception during parsing with PH5P (occurs in newer versions + of DOM), HTML Purifier punts to DirectLex +- Fatal error with unserialization of ScriptRequired +- Created directories are now chmod'ed properly +- Fixed bug with fallback languages in LanguageFactory +- Standalone testing setup properly with autoload +. Out-of-date documentation revised +. UTF-8 encoding check optimization as suggested by Diego +. HTMLPurifier_Error removed in favor of exceptions +. More copy() function removed; should use clone instead +. More extensive unit tests for HTMLDefinition +. assertPurification moved to central harness +. HTMLPurifier_Generator accepts $config and $context parameters during + instantiation, not runtime +. Double-quotes outside of attribute values are now unescaped + +3.1.0rc1, released 2008-04-22 +# Autoload support added. Internal require_once's removed in favor of an + explicit require list or autoloading. To use HTML Purifier, + you must now either use HTMLPurifier.auto.php + or HTMLPurifier.includes.php; setting the include path and including + HTMLPurifier.php is insufficient--in such cases include HTMLPurifier.autoload.php + as well to register our autoload handler (or modify your autoload function + to check HTMLPurifier_Bootstrap::getPath($class)). You can also use + HTMLPurifier.safe-includes.php for a less performance friendly but more + user-friendly library load. +# HTMLPurifier_ConfigSchema static functions are officially deprecated. Schema + information is stored in the ConfigSchema directory, and the + maintenance/generate-schema-cache.php generates the schema.ser file, which + is now instantiated. Support for userland schema changes coming soon! +# HTMLPurifier_Config will now throw E_USER_NOTICE when you use a directive + alias; to get rid of these errors just modify your configuration to use + the new directive name. +# HTMLPurifier->addFilter is deprecated; built-in filters can now be + enabled using %Filter.$filter_name or by setting your own filters using + %Filter.Custom +# Directive-level safety properties superceded in favor of module-level + safety. Internal method HTMLModule->addElement() has changed, although + the externally visible HTMLDefinition->addElement has *not* changed. +! Extra utility classes for testing and non-library operations can + be found in extras/. Specifically, these are FSTools and ConfigDoc. + You may find a use for these in your own project, but right now they + are highly experimental and volatile. +! Integration with PHPT allows for automated smoketests +! Limited support for proprietary HTML elements, namely , sponsored + by Chris. You can enable them with %HTML.Proprietary if your client + demands them. +! Support for !important CSS cascade modifier. By default, this will be stripped + from CSS, but you can enable it using %CSS.AllowImportant +! Support for display and visibility CSS properties added, set %CSS.AllowTricky + to true to use them. +! HTML Purifier now has its own Exception hierarchy under HTMLPurifier_Exception. + Developer error (not enduser error) can cause these to be triggered. +! Experimental kses() wrapper introduced with HTMLPurifier.kses.php +! Finally %CSS.AllowedProperties for tweaking allowed CSS properties without + mucking around with HTMLPurifier_CSSDefinition +! ConfigDoc output has been enhanced with version and deprecation info. +! %HTML.ForbiddenAttributes and %HTML.ForbiddenElements implemented. +- Autoclose now operates iteratively, i.e.
        now has + both span tags closed. +- Various HTMLPurifier_Config convenience functions now accept another parameter + $schema which defines what HTMLPurifier_ConfigSchema to use besides the + global default. +- Fix bug with trusted script handling in libxml versions later than 2.6.28. +- Fix bug in ExtractStyleBlocks with comments in style tags +- Fix bug in comment parsing for DirectLex +- Flush output now displayed when in command line mode for unit tester +- Fix bug with rgb(0, 1, 2) color syntax with spaces inside shorthand syntax +- HTMLPurifier_HTMLDefinition->addAttribute can now be called multiple times + on the same element without emitting errors. +- Fixed fatal error in PH5P lexer with invalid tag names +. Plugins now get their own changelogs according to project conventions. +. Convert tokens to use instanceof, reducing memory footprint and + improving comparison speed. +. Dry runs now supported in SimpleTest; testing facilities improved +. Bootstrap class added for handling autoloading functionality +. Implemented recursive glob at FSTools->globr +. ConfigSchema now has instance methods for all corresponding define* + static methods. +. A couple of new historical maintenance scripts were added. +. HTMLPurifier/HTMLModule/Tidy/XHTMLAndHTML4.php split into two files +. tests/index.php can now be run from any directory. +. HTMLPurifier_Token subclasses split into seperate files +. HTMLPURIFIER_PREFIX now is defined in Bootstrap.php, NOT HTMLPurifier.php +. HTMLPURIFIER_PREFIX can now be defined outside of HTML Purifier +. New --php=php flag added, allows PHP executable to be specified (command + line only!) +. htmlpurifier_add_test() preferred method to translate test files in to + classes, because it handles PHPT files too. +. Debugger class is deprecated and will be removed soon. +. Command line argument parsing for testing scripts revamped, now --opt value + format is supported. +. Smoketests now cleanup after magic quotes +. Generator now can output comments (however, comments are still stripped + from HTML Purifier output) +. HTMLPurifier_ConfigSchema->validate() deprecated in favor of + HTMLPurifier_VarParser->parse() +. Integers auto-cast into float type by VarParser. +. HTMLPURIFIER_STRICT removed; no validation is performed on runtime, only + during cache generation +. Reordered script calls in maintenance/flush.php +. Command line scripts now honor exit codes +. When --flush fails in unit testers, abort tests and print message +. Improved documentation in docs/dev-flush.html about the maintenance scripts +. copy() methods removed in favor of clone keyword + +3.0.0, released 2008-01-06 +# HTML Purifier is PHP 5 only! The 2.1.x branch will be maintained + until PHP 4 is completely deprecated, but no new features will be added + to it. + + Visibility declarations added + + Constructor methods renamed to __construct() + + PHP4 reference cruft removed (in progress) +! CSS properties are now case-insensitive +! DefinitionCacheFactory now can register new implementations +! New HTMLPurifier_Filter_ExtractStyleBlocks for extracting Some text'; + + $config = HTMLPurifier_Config::createDefault(); + $config->set('Filter', 'ExtractStyleBlocks', true); + $purifier = new HTMLPurifier($config); + + $html = $purifier->purify($dirty); + + // This implementation writes the stylesheets to the styles/ directory. + // You can also echo the styles inside the document, but it's a bit + // more difficult to make sure they get interpreted properly by + // browsers; try the usual CSS armoring techniques. + $styles = $purifier->context->get('StyleBlocks'); + $dir = 'styles/'; + if (!is_dir($dir)) mkdir($dir); + $hash = sha1($_GET['html']); + foreach ($styles as $i => $style) { + file_put_contents($name = $dir . $hash . "_$i"); + echo ''; + } +?> + + +
        + +
        + + +]]> +

        + Warning: It is possible for a user to mount an + imagecrash attack using this CSS. Counter-measures are difficult; + it is not simply enough to limit the range of CSS lengths (using + relative lengths with many nesting levels allows for large values + to be attained without actually specifying them in the stylesheet), + and the flexible nature of selectors makes it difficult to selectively + disable lengths on image tags (HTML Purifier, however, does disable + CSS width and height in inline styling). There are probably two effective + counter measures: an explicit width and height set to auto in all + images in your document (unlikely) or the disabling of width and + height (somewhat reasonable). Whether or not these measures should be + used is left to the reader. +

        +--# vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/Filter.YouTube.txt b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/Filter.YouTube.txt new file mode 100644 index 0000000..321eaa2 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/Filter.YouTube.txt @@ -0,0 +1,16 @@ +Filter.YouTube +TYPE: bool +VERSION: 3.1.0 +DEFAULT: false +--DESCRIPTION-- +

        + Warning: Deprecated in favor of %HTML.SafeObject and + %Output.FlashCompat (turn both on to allow YouTube videos and other + Flash content). +

        +

        + This directive enables YouTube video embedding in HTML Purifier. Check + this document + on embedding videos for more information on what this filter does. +

        +--# vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.Allowed.txt b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.Allowed.txt new file mode 100644 index 0000000..0b2c106 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.Allowed.txt @@ -0,0 +1,25 @@ +HTML.Allowed +TYPE: itext/null +VERSION: 2.0.0 +DEFAULT: NULL +--DESCRIPTION-- + +

        + This is a preferred convenience directive that combines + %HTML.AllowedElements and %HTML.AllowedAttributes. + Specify elements and attributes that are allowed using: + element1[attr1|attr2],element2.... For example, + if you would like to only allow paragraphs and links, specify + a[href],p. You can specify attributes that apply + to all elements using an asterisk, e.g. *[lang]. + You can also use newlines instead of commas to separate elements. +

        +

        + Warning: + All of the constraints on the component directives are still enforced. + The syntax is a subset of TinyMCE's valid_elements + whitelist: directly copy-pasting it here will probably result in + broken whitelists. If %HTML.AllowedElements or %HTML.AllowedAttributes + are set, this directive has no effect. +

        +--# vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.AllowedAttributes.txt b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.AllowedAttributes.txt new file mode 100644 index 0000000..fcf093f --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.AllowedAttributes.txt @@ -0,0 +1,19 @@ +HTML.AllowedAttributes +TYPE: lookup/null +VERSION: 1.3.0 +DEFAULT: NULL +--DESCRIPTION-- + +

        + If HTML Purifier's attribute set is unsatisfactory, overload it! + The syntax is "tag.attr" or "*.attr" for the global attributes + (style, id, class, dir, lang, xml:lang). +

        +

        + Warning: If another directive conflicts with the + elements here, that directive will win and override. For + example, %HTML.EnableAttrID will take precedence over *.id in this + directive. You must set that directive to true before you can use + IDs at all. +

        +--# vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.AllowedComments.txt b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.AllowedComments.txt new file mode 100644 index 0000000..140e214 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.AllowedComments.txt @@ -0,0 +1,10 @@ +HTML.AllowedComments +TYPE: lookup +VERSION: 4.4.0 +DEFAULT: array() +--DESCRIPTION-- +A whitelist which indicates what explicit comment bodies should be +allowed, modulo leading and trailing whitespace. See also %HTML.AllowedCommentsRegexp +(these directives are union'ed together, so a comment is considered +valid if any directive deems it valid.) +--# vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.AllowedCommentsRegexp.txt b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.AllowedCommentsRegexp.txt new file mode 100644 index 0000000..f22e977 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.AllowedCommentsRegexp.txt @@ -0,0 +1,15 @@ +HTML.AllowedCommentsRegexp +TYPE: string/null +VERSION: 4.4.0 +DEFAULT: NULL +--DESCRIPTION-- +A regexp, which if it matches the body of a comment, indicates that +it should be allowed. Trailing and leading spaces are removed prior +to running this regular expression. +Warning: Make sure you specify +correct anchor metacharacters ^regex$, otherwise you may accept +comments that you did not mean to! In particular, the regex /foo|bar/ +is probably not sufficiently strict, since it also allows foobar. +See also %HTML.AllowedComments (these directives are union'ed together, +so a comment is considered valid if any directive deems it valid.) +--# vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.AllowedElements.txt b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.AllowedElements.txt new file mode 100644 index 0000000..1d3fa79 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.AllowedElements.txt @@ -0,0 +1,23 @@ +HTML.AllowedElements +TYPE: lookup/null +VERSION: 1.3.0 +DEFAULT: NULL +--DESCRIPTION-- +

        + If HTML Purifier's tag set is unsatisfactory for your needs, you can + overload it with your own list of tags to allow. If you change + this, you probably also want to change %HTML.AllowedAttributes; see + also %HTML.Allowed which lets you set allowed elements and + attributes at the same time. +

        +

        + If you attempt to allow an element that HTML Purifier does not know + about, HTML Purifier will raise an error. You will need to manually + tell HTML Purifier about this element by using the + advanced customization features. +

        +

        + Warning: If another directive conflicts with the + elements here, that directive will win and override. +

        +--# vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.AllowedModules.txt b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.AllowedModules.txt new file mode 100644 index 0000000..5a59a55 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.AllowedModules.txt @@ -0,0 +1,20 @@ +HTML.AllowedModules +TYPE: lookup/null +VERSION: 2.0.0 +DEFAULT: NULL +--DESCRIPTION-- + +

        + A doctype comes with a set of usual modules to use. Without having + to mucking about with the doctypes, you can quickly activate or + disable these modules by specifying which modules you wish to allow + with this directive. This is most useful for unit testing specific + modules, although end users may find it useful for their own ends. +

        +

        + If you specify a module that does not exist, the manager will silently + fail to use it, so be careful! User-defined modules are not affected + by this directive. Modules defined in %HTML.CoreModules are not + affected by this directive. +

        +--# vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.Attr.Name.UseCDATA.txt b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.Attr.Name.UseCDATA.txt new file mode 100644 index 0000000..151fb7b --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.Attr.Name.UseCDATA.txt @@ -0,0 +1,11 @@ +HTML.Attr.Name.UseCDATA +TYPE: bool +DEFAULT: false +VERSION: 4.0.0 +--DESCRIPTION-- +The W3C specification DTD defines the name attribute to be CDATA, not ID, due +to limitations of DTD. In certain documents, this relaxed behavior is desired, +whether it is to specify duplicate names, or to specify names that would be +illegal IDs (for example, names that begin with a digit.) Set this configuration +directive to true to use the relaxed parsing rules. +--# vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.BlockWrapper.txt b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.BlockWrapper.txt new file mode 100644 index 0000000..45ae469 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.BlockWrapper.txt @@ -0,0 +1,18 @@ +HTML.BlockWrapper +TYPE: string +VERSION: 1.3.0 +DEFAULT: 'p' +--DESCRIPTION-- + +

        + String name of element to wrap inline elements that are inside a block + context. This only occurs in the children of blockquote in strict mode. +

        +

        + Example: by default value, + <blockquote>Foo</blockquote> would become + <blockquote><p>Foo</p></blockquote>. + The <p> tags can be replaced with whatever you desire, + as long as it is a block level element. +

        +--# vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.CoreModules.txt b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.CoreModules.txt new file mode 100644 index 0000000..5246188 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.CoreModules.txt @@ -0,0 +1,23 @@ +HTML.CoreModules +TYPE: lookup +VERSION: 2.0.0 +--DEFAULT-- +array ( + 'Structure' => true, + 'Text' => true, + 'Hypertext' => true, + 'List' => true, + 'NonXMLCommonAttributes' => true, + 'XMLCommonAttributes' => true, + 'CommonAttributes' => true, +) +--DESCRIPTION-- + +

        + Certain modularized doctypes (XHTML, namely), have certain modules + that must be included for the doctype to be an conforming document + type: put those modules here. By default, XHTML's core modules + are used. You can set this to a blank array to disable core module + protection, but this is not recommended. +

        +--# vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.CustomDoctype.txt b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.CustomDoctype.txt new file mode 100644 index 0000000..6ed70b5 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.CustomDoctype.txt @@ -0,0 +1,9 @@ +HTML.CustomDoctype +TYPE: string/null +VERSION: 2.0.1 +DEFAULT: NULL +--DESCRIPTION-- + +A custom doctype for power-users who defined their own document +type. This directive only applies when %HTML.Doctype is blank. +--# vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.DefinitionID.txt b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.DefinitionID.txt new file mode 100644 index 0000000..103db75 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.DefinitionID.txt @@ -0,0 +1,33 @@ +HTML.DefinitionID +TYPE: string/null +DEFAULT: NULL +VERSION: 2.0.0 +--DESCRIPTION-- + +

        + Unique identifier for a custom-built HTML definition. If you edit + the raw version of the HTMLDefinition, introducing changes that the + configuration object does not reflect, you must specify this variable. + If you change your custom edits, you should change this directive, or + clear your cache. Example: +

        +
        +$config = HTMLPurifier_Config::createDefault();
+$config->set('HTML', 'DefinitionID', '1');
+$def = $config->getHTMLDefinition();
+$def->addAttribute('a', 'tabindex', 'Number');
+
        +

        + In the above example, the configuration is still at the defaults, but + using the advanced API, an extra attribute has been added. The + configuration object normally has no way of knowing that this change + has taken place, so it needs an extra directive: %HTML.DefinitionID. + If someone else attempts to use the default configuration, these two + pieces of code will not clobber each other in the cache, since one has + an extra directive attached to it. +

        +

        + You must specify a value to this directive to use the + advanced API features. +

        +--# vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.DefinitionRev.txt b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.DefinitionRev.txt new file mode 100644 index 0000000..229ae02 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.DefinitionRev.txt @@ -0,0 +1,16 @@ +HTML.DefinitionRev +TYPE: int +VERSION: 2.0.0 +DEFAULT: 1 +--DESCRIPTION-- + +

        + Revision identifier for your custom definition specified in + %HTML.DefinitionID. This serves the same purpose: uniquely identifying + your custom definition, but this one does so in a chronological + context: revision 3 is more up-to-date then revision 2. Thus, when + this gets incremented, the cache handling is smart enough to clean + up any older revisions of your definition as well as flush the + cache. +

        +--# vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.Doctype.txt b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.Doctype.txt new file mode 100644 index 0000000..9dab497 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.Doctype.txt @@ -0,0 +1,11 @@ +HTML.Doctype +TYPE: string/null +DEFAULT: NULL +--DESCRIPTION-- +Doctype to use during filtering. Technically speaking this is not actually +a doctype (as it does not identify a corresponding DTD), but we are using +this name for sake of simplicity. When non-blank, this will override any +older directives like %HTML.XHTML or %HTML.Strict. +--ALLOWED-- +'HTML 4.01 Transitional', 'HTML 4.01 Strict', 'XHTML 1.0 Transitional', 'XHTML 1.0 Strict', 'XHTML 1.1' +--# vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.FlashAllowFullScreen.txt b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.FlashAllowFullScreen.txt new file mode 100644 index 0000000..7878dc0 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.FlashAllowFullScreen.txt @@ -0,0 +1,11 @@ +HTML.FlashAllowFullScreen +TYPE: bool +VERSION: 4.2.0 +DEFAULT: false +--DESCRIPTION-- +

        + Whether or not to permit embedded Flash content from + %HTML.SafeObject to expand to the full screen. Corresponds to + the allowFullScreen parameter. +

        +--# vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.ForbiddenAttributes.txt b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.ForbiddenAttributes.txt new file mode 100644 index 0000000..57358f9 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.ForbiddenAttributes.txt @@ -0,0 +1,21 @@ +HTML.ForbiddenAttributes +TYPE: lookup +VERSION: 3.1.0 +DEFAULT: array() +--DESCRIPTION-- +

        + While this directive is similar to %HTML.AllowedAttributes, for + forwards-compatibility with XML, this attribute has a different syntax. Instead of + tag.attr, use tag@attr. To disallow href + attributes in a tags, set this directive to + a@href. You can also disallow an attribute globally with + attr or *@attr (either syntax is fine; the latter + is provided for consistency with %HTML.AllowedAttributes). +

        +

        + Warning: This directive complements %HTML.ForbiddenElements, + accordingly, check + out that directive for a discussion of why you + should think twice before using this directive. +

        +--# vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.ForbiddenElements.txt b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.ForbiddenElements.txt new file mode 100644 index 0000000..93a53e1 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.ForbiddenElements.txt @@ -0,0 +1,20 @@ +HTML.ForbiddenElements +TYPE: lookup +VERSION: 3.1.0 +DEFAULT: array() +--DESCRIPTION-- +

        + This was, perhaps, the most requested feature ever in HTML + Purifier. Please don't abuse it! This is the logical inverse of + %HTML.AllowedElements, and it will override that directive, or any + other directive. +

        +

        + If possible, %HTML.Allowed is recommended over this directive, because it + can sometimes be difficult to tell whether or not you've forbidden all of + the behavior you would like to disallow. If you forbid img + with the expectation of preventing images on your site, you'll be in for + a nasty surprise when people start using the background-image + CSS property. +

        +--# vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.MaxImgLength.txt b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.MaxImgLength.txt new file mode 100644 index 0000000..e424c38 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.MaxImgLength.txt @@ -0,0 +1,14 @@ +HTML.MaxImgLength +TYPE: int/null +DEFAULT: 1200 +VERSION: 3.1.1 +--DESCRIPTION-- +

        + This directive controls the maximum number of pixels in the width and + height attributes in img tags. This is + in place to prevent imagecrash attacks, disable with null at your own risk. + This directive is similar to %CSS.MaxImgLength, and both should be + concurrently edited, although there are + subtle differences in the input format (the HTML max is an integer). +

        +--# vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.Nofollow.txt b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.Nofollow.txt new file mode 100644 index 0000000..700b309 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.Nofollow.txt @@ -0,0 +1,7 @@ +HTML.Nofollow +TYPE: bool +VERSION: 4.3.0 +DEFAULT: FALSE +--DESCRIPTION-- +If enabled, nofollow rel attributes are added to all outgoing links. +--# vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.Parent.txt b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.Parent.txt new file mode 100644 index 0000000..62e8e16 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.Parent.txt @@ -0,0 +1,12 @@ +HTML.Parent +TYPE: string +VERSION: 1.3.0 +DEFAULT: 'div' +--DESCRIPTION-- + +

        + String name of element that HTML fragment passed to library will be + inserted in. An interesting variation would be using span as the + parent element, meaning that only inline tags would be allowed. +

        +--# vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.Proprietary.txt b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.Proprietary.txt new file mode 100644 index 0000000..dfb7204 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.Proprietary.txt @@ -0,0 +1,12 @@ +HTML.Proprietary +TYPE: bool +VERSION: 3.1.0 +DEFAULT: false +--DESCRIPTION-- +

        + Whether or not to allow proprietary elements and attributes in your + documents, as per HTMLPurifier_HTMLModule_Proprietary. + Warning: This can cause your documents to stop + validating! +

        +--# vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.SafeEmbed.txt b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.SafeEmbed.txt new file mode 100644 index 0000000..cdda09a --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.SafeEmbed.txt @@ -0,0 +1,13 @@ +HTML.SafeEmbed +TYPE: bool +VERSION: 3.1.1 +DEFAULT: false +--DESCRIPTION-- +

        + Whether or not to permit embed tags in documents, with a number of extra + security features added to prevent script execution. This is similar to + what websites like MySpace do to embed tags. Embed is a proprietary + element and will cause your website to stop validating; you should + see if you can use %Output.FlashCompat with %HTML.SafeObject instead + first.

        +--# vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.SafeIframe.txt b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.SafeIframe.txt new file mode 100644 index 0000000..5eb6ec2 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.SafeIframe.txt @@ -0,0 +1,13 @@ +HTML.SafeIframe +TYPE: bool +VERSION: 4.4.0 +DEFAULT: false +--DESCRIPTION-- +

        + Whether or not to permit iframe tags in untrusted documents. This + directive must be accompanied by a whitelist of permitted iframes, + such as %URI.SafeIframeRegexp, otherwise it will fatally error. + This directive has no effect on strict doctypes, as iframes are not + valid. +

        +--# vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.SafeObject.txt b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.SafeObject.txt new file mode 100644 index 0000000..ceb342e --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.SafeObject.txt @@ -0,0 +1,13 @@ +HTML.SafeObject +TYPE: bool +VERSION: 3.1.1 +DEFAULT: false +--DESCRIPTION-- +

        + Whether or not to permit object tags in documents, with a number of extra + security features added to prevent script execution. This is similar to + what websites like MySpace do to object tags. You should also enable + %Output.FlashCompat in order to generate Internet Explorer + compatibility code for your object tags. +

        +--# vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.SafeScripting.txt b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.SafeScripting.txt new file mode 100644 index 0000000..5ebc7a1 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.SafeScripting.txt @@ -0,0 +1,10 @@ +HTML.SafeScripting +TYPE: lookup +VERSION: 4.5.0 +DEFAULT: array() +--DESCRIPTION-- +

        + Whether or not to permit script tags to external scripts in documents. + Inline scripting is not allowed, and the script must match an explicit whitelist. +

        +--# vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.Strict.txt b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.Strict.txt new file mode 100644 index 0000000..a8b1de5 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.Strict.txt @@ -0,0 +1,9 @@ +HTML.Strict +TYPE: bool +VERSION: 1.3.0 +DEFAULT: false +DEPRECATED-VERSION: 1.7.0 +DEPRECATED-USE: HTML.Doctype +--DESCRIPTION-- +Determines whether or not to use Transitional (loose) or Strict rulesets. +--# vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.TargetBlank.txt b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.TargetBlank.txt new file mode 100644 index 0000000..587a167 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.TargetBlank.txt @@ -0,0 +1,8 @@ +HTML.TargetBlank +TYPE: bool +VERSION: 4.4.0 +DEFAULT: FALSE +--DESCRIPTION-- +If enabled, target=blank attributes are added to all outgoing links. +(This includes links from an HTTPS version of a page to an HTTP version.) +--# vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.TargetNoopener.txt b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.TargetNoopener.txt new file mode 100644 index 0000000..dd514c0 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.TargetNoopener.txt @@ -0,0 +1,10 @@ +--# vim: et sw=4 sts=4 +HTML.TargetNoopener +TYPE: bool +VERSION: 4.8.0 +DEFAULT: TRUE +--DESCRIPTION-- +If enabled, noopener rel attributes are added to links which have +a target attribute associated with them. This prevents malicious +destinations from overwriting the original window. +--# vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.TargetNoreferrer.txt b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.TargetNoreferrer.txt new file mode 100644 index 0000000..cb5a0b0 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.TargetNoreferrer.txt @@ -0,0 +1,9 @@ +HTML.TargetNoreferrer +TYPE: bool +VERSION: 4.8.0 +DEFAULT: TRUE +--DESCRIPTION-- +If enabled, noreferrer rel attributes are added to links which have +a target attribute associated with them. This prevents malicious +destinations from overwriting the original window. +--# vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.TidyAdd.txt b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.TidyAdd.txt new file mode 100644 index 0000000..b4c271b --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.TidyAdd.txt @@ -0,0 +1,8 @@ +HTML.TidyAdd +TYPE: lookup +VERSION: 2.0.0 +DEFAULT: array() +--DESCRIPTION-- + +Fixes to add to the default set of Tidy fixes as per your level. +--# vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.TidyLevel.txt b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.TidyLevel.txt new file mode 100644 index 0000000..4186ccd --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.TidyLevel.txt @@ -0,0 +1,24 @@ +HTML.TidyLevel +TYPE: string +VERSION: 2.0.0 +DEFAULT: 'medium' +--DESCRIPTION-- + +

        General level of cleanliness the Tidy module should enforce. +There are four allowed values:

        +
        +
        none
        +
        No extra tidying should be done
        +
        light
        +
        Only fix elements that would be discarded otherwise due to + lack of support in doctype
        +
        medium
        +
        Enforce best practices
        +
        heavy
        +
        Transform all deprecated elements and attributes to standards + compliant equivalents
        +
        + +--ALLOWED-- +'none', 'light', 'medium', 'heavy' +--# vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.TidyRemove.txt b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.TidyRemove.txt new file mode 100644 index 0000000..996762b --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.TidyRemove.txt @@ -0,0 +1,8 @@ +HTML.TidyRemove +TYPE: lookup +VERSION: 2.0.0 +DEFAULT: array() +--DESCRIPTION-- + +Fixes to remove from the default set of Tidy fixes as per your level. +--# vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.Trusted.txt b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.Trusted.txt new file mode 100644 index 0000000..1db9237 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.Trusted.txt @@ -0,0 +1,9 @@ +HTML.Trusted +TYPE: bool +VERSION: 2.0.0 +DEFAULT: false +--DESCRIPTION-- +Indicates whether or not the user input is trusted or not. If the input is +trusted, a more expansive set of allowed tags and attributes will be used. +See also %CSS.Trusted. +--# vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.XHTML.txt b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.XHTML.txt new file mode 100644 index 0000000..2a47e38 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/HTML.XHTML.txt @@ -0,0 +1,11 @@ +HTML.XHTML +TYPE: bool +DEFAULT: true +VERSION: 1.1.0 +DEPRECATED-VERSION: 1.7.0 +DEPRECATED-USE: HTML.Doctype +--DESCRIPTION-- +Determines whether or not output is XHTML 1.0 or HTML 4.01 flavor. +--ALIASES-- +Core.XHTML +--# vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/Output.CommentScriptContents.txt b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/Output.CommentScriptContents.txt new file mode 100644 index 0000000..08921fd --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/Output.CommentScriptContents.txt @@ -0,0 +1,10 @@ +Output.CommentScriptContents +TYPE: bool +VERSION: 2.0.0 +DEFAULT: true +--DESCRIPTION-- +Determines whether or not HTML Purifier should attempt to fix up the +contents of script tags for legacy browsers with comments. +--ALIASES-- +Core.CommentScriptContents +--# vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/Output.FixInnerHTML.txt b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/Output.FixInnerHTML.txt new file mode 100644 index 0000000..d6f0d9f --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/Output.FixInnerHTML.txt @@ -0,0 +1,15 @@ +Output.FixInnerHTML +TYPE: bool +VERSION: 4.3.0 +DEFAULT: true +--DESCRIPTION-- +

        + If true, HTML Purifier will protect against Internet Explorer's + mishandling of the innerHTML attribute by appending + a space to any attribute that does not contain angled brackets, spaces + or quotes, but contains a backtick. This slightly changes the + semantics of any given attribute, so if this is unacceptable and + you do not use innerHTML on any of your pages, you can + turn this directive off. +

        +--# vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/Output.FlashCompat.txt b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/Output.FlashCompat.txt new file mode 100644 index 0000000..93398e8 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/Output.FlashCompat.txt @@ -0,0 +1,11 @@ +Output.FlashCompat +TYPE: bool +VERSION: 4.1.0 +DEFAULT: false +--DESCRIPTION-- +

        + If true, HTML Purifier will generate Internet Explorer compatibility + code for all object code. This is highly recommended if you enable + %HTML.SafeObject. +

        +--# vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/Output.Newline.txt b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/Output.Newline.txt new file mode 100644 index 0000000..79f8ad8 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/Output.Newline.txt @@ -0,0 +1,13 @@ +Output.Newline +TYPE: string/null +VERSION: 2.0.1 +DEFAULT: NULL +--DESCRIPTION-- + +

        + Newline string to format final output with. If left null, HTML Purifier + will auto-detect the default newline type of the system and use that; + you can manually override it here. Remember, \r\n is Windows, \r + is Mac, and \n is Unix. +

        +--# vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/Output.SortAttr.txt b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/Output.SortAttr.txt new file mode 100644 index 0000000..232b023 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/Output.SortAttr.txt @@ -0,0 +1,14 @@ +Output.SortAttr +TYPE: bool +VERSION: 3.2.0 +DEFAULT: false +--DESCRIPTION-- +

        + If true, HTML Purifier will sort attributes by name before writing them back + to the document, converting a tag like: <el b="" a="" c="" /> + to <el a="" b="" c="" />. This is a workaround for + a bug in FCKeditor which causes it to swap attributes order, adding noise + to text diffs. If you're not seeing this bug, chances are, you don't need + this directive. +

        +--# vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/Output.TidyFormat.txt b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/Output.TidyFormat.txt new file mode 100644 index 0000000..06bab00 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/Output.TidyFormat.txt @@ -0,0 +1,25 @@ +Output.TidyFormat +TYPE: bool +VERSION: 1.1.1 +DEFAULT: false +--DESCRIPTION-- +

        + Determines whether or not to run Tidy on the final output for pretty + formatting reasons, such as indentation and wrap. +

        +

        + This can greatly improve readability for editors who are hand-editing + the HTML, but is by no means necessary as HTML Purifier has already + fixed all major errors the HTML may have had. Tidy is a non-default + extension, and this directive will silently fail if Tidy is not + available. +

        +

        + If you are looking to make the overall look of your page's source + better, I recommend running Tidy on the entire page rather than just + user-content (after all, the indentation relative to the containing + blocks will be incorrect). +

        +--ALIASES-- +Core.TidyFormat +--# vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/Test.ForceNoIconv.txt b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/Test.ForceNoIconv.txt new file mode 100644 index 0000000..071bc02 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/Test.ForceNoIconv.txt @@ -0,0 +1,7 @@ +Test.ForceNoIconv +TYPE: bool +DEFAULT: false +--DESCRIPTION-- +When set to true, HTMLPurifier_Encoder will act as if iconv does not exist +and use only pure PHP implementations. +--# vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/URI.AllowedSchemes.txt b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/URI.AllowedSchemes.txt new file mode 100644 index 0000000..eb97307 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/URI.AllowedSchemes.txt @@ -0,0 +1,18 @@ +URI.AllowedSchemes +TYPE: lookup +--DEFAULT-- +array ( + 'http' => true, + 'https' => true, + 'mailto' => true, + 'ftp' => true, + 'nntp' => true, + 'news' => true, + 'tel' => true, +) +--DESCRIPTION-- +Whitelist that defines the schemes that a URI is allowed to have. This +prevents XSS attacks from using pseudo-schemes like javascript or mocha. +There is also support for the data and file +URI schemes, but they are not enabled by default. +--# vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/URI.Base.txt b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/URI.Base.txt new file mode 100644 index 0000000..876f068 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/URI.Base.txt @@ -0,0 +1,17 @@ +URI.Base +TYPE: string/null +VERSION: 2.1.0 +DEFAULT: NULL +--DESCRIPTION-- + +

        + The base URI is the URI of the document this purified HTML will be + inserted into. This information is important if HTML Purifier needs + to calculate absolute URIs from relative URIs, such as when %URI.MakeAbsolute + is on. You may use a non-absolute URI for this value, but behavior + may vary (%URI.MakeAbsolute deals nicely with both absolute and + relative paths, but forwards-compatibility is not guaranteed). + Warning: If set, the scheme on this URI + overrides the one specified by %URI.DefaultScheme. +

        +--# vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/URI.DefaultScheme.txt b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/URI.DefaultScheme.txt new file mode 100644 index 0000000..834bc08 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/URI.DefaultScheme.txt @@ -0,0 +1,15 @@ +URI.DefaultScheme +TYPE: string/null +DEFAULT: 'http' +--DESCRIPTION-- + +

        + Defines through what scheme the output will be served, in order to + select the proper object validator when no scheme information is present. +

        + +

        + Starting with HTML Purifier 4.9.0, the default scheme can be null, in + which case we reject all URIs which do not have explicit schemes. +

        +--# vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/URI.DefinitionID.txt b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/URI.DefinitionID.txt new file mode 100644 index 0000000..f05312b --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/URI.DefinitionID.txt @@ -0,0 +1,11 @@ +URI.DefinitionID +TYPE: string/null +VERSION: 2.1.0 +DEFAULT: NULL +--DESCRIPTION-- + +

        + Unique identifier for a custom-built URI definition. If you want + to add custom URIFilters, you must specify this value. +

        +--# vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/URI.DefinitionRev.txt b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/URI.DefinitionRev.txt new file mode 100644 index 0000000..80cfea9 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/URI.DefinitionRev.txt @@ -0,0 +1,11 @@ +URI.DefinitionRev +TYPE: int +VERSION: 2.1.0 +DEFAULT: 1 +--DESCRIPTION-- + +

        + Revision identifier for your custom definition. See + %HTML.DefinitionRev for details. +

        +--# vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/URI.Disable.txt b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/URI.Disable.txt new file mode 100644 index 0000000..71ce025 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/URI.Disable.txt @@ -0,0 +1,14 @@ +URI.Disable +TYPE: bool +VERSION: 1.3.0 +DEFAULT: false +--DESCRIPTION-- + +

        + Disables all URIs in all forms. Not sure why you'd want to do that + (after all, the Internet's founded on the notion of a hyperlink). +

        + +--ALIASES-- +Attr.DisableURI +--# vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/URI.DisableExternal.txt b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/URI.DisableExternal.txt new file mode 100644 index 0000000..13c122c --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/URI.DisableExternal.txt @@ -0,0 +1,11 @@ +URI.DisableExternal +TYPE: bool +VERSION: 1.2.0 +DEFAULT: false +--DESCRIPTION-- +Disables links to external websites. This is a highly effective anti-spam +and anti-pagerank-leech measure, but comes at a hefty price: nolinks or +images outside of your domain will be allowed. Non-linkified URIs will +still be preserved. If you want to be able to link to subdomains or use +absolute URIs, specify %URI.Host for your website. +--# vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/URI.DisableExternalResources.txt b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/URI.DisableExternalResources.txt new file mode 100644 index 0000000..abcc1ef --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/URI.DisableExternalResources.txt @@ -0,0 +1,13 @@ +URI.DisableExternalResources +TYPE: bool +VERSION: 1.3.0 +DEFAULT: false +--DESCRIPTION-- +Disables the embedding of external resources, preventing users from +embedding things like images from other hosts. This prevents access +tracking (good for email viewers), bandwidth leeching, cross-site request +forging, goatse.cx posting, and other nasties, but also results in a loss +of end-user functionality (they can't directly post a pic they posted from +Flickr anymore). Use it if you don't have a robust user-content moderation +team. +--# vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/URI.DisableResources.txt b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/URI.DisableResources.txt new file mode 100644 index 0000000..f891de4 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/URI.DisableResources.txt @@ -0,0 +1,15 @@ +URI.DisableResources +TYPE: bool +VERSION: 4.2.0 +DEFAULT: false +--DESCRIPTION-- +

        + Disables embedding resources, essentially meaning no pictures. You can + still link to them though. See %URI.DisableExternalResources for why + this might be a good idea. +

        +

        + Note: While this directive has been available since 1.3.0, + it didn't actually start doing anything until 4.2.0. +

        +--# vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/URI.Host.txt b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/URI.Host.txt new file mode 100644 index 0000000..ee83b12 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/URI.Host.txt @@ -0,0 +1,19 @@ +URI.Host +TYPE: string/null +VERSION: 1.2.0 +DEFAULT: NULL +--DESCRIPTION-- + +

        + Defines the domain name of the server, so we can determine whether or + an absolute URI is from your website or not. Not strictly necessary, + as users should be using relative URIs to reference resources on your + website. It will, however, let you use absolute URIs to link to + subdomains of the domain you post here: i.e. example.com will allow + sub.example.com. However, higher up domains will still be excluded: + if you set %URI.Host to sub.example.com, example.com will be blocked. + Note: This directive overrides %URI.Base because + a given page may be on a sub-domain, but you wish HTML Purifier to be + more relaxed and allow some of the parent domains too. +

        +--# vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/URI.HostBlacklist.txt b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/URI.HostBlacklist.txt new file mode 100644 index 0000000..0b6df76 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/URI.HostBlacklist.txt @@ -0,0 +1,9 @@ +URI.HostBlacklist +TYPE: list +VERSION: 1.3.0 +DEFAULT: array() +--DESCRIPTION-- +List of strings that are forbidden in the host of any URI. Use it to kill +domain names of spam, etc. Note that it will catch anything in the domain, +so moo.com will catch moo.com.example.com. +--# vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/URI.MakeAbsolute.txt b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/URI.MakeAbsolute.txt new file mode 100644 index 0000000..4214900 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/URI.MakeAbsolute.txt @@ -0,0 +1,13 @@ +URI.MakeAbsolute +TYPE: bool +VERSION: 2.1.0 +DEFAULT: false +--DESCRIPTION-- + +

        + Converts all URIs into absolute forms. This is useful when the HTML + being filtered assumes a specific base path, but will actually be + viewed in a different context (and setting an alternate base URI is + not possible). %URI.Base must be set for this directive to work. +

        +--# vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/URI.Munge.txt b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/URI.Munge.txt new file mode 100644 index 0000000..58c81dc --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/URI.Munge.txt @@ -0,0 +1,83 @@ +URI.Munge +TYPE: string/null +VERSION: 1.3.0 +DEFAULT: NULL +--DESCRIPTION-- + +

        + Munges all browsable (usually http, https and ftp) + absolute URIs into another URI, usually a URI redirection service. + This directive accepts a URI, formatted with a %s where + the url-encoded original URI should be inserted (sample: + http://www.google.com/url?q=%s). +

        +

        + Uses for this directive: +

        +
          +
        • + Prevent PageRank leaks, while being fairly transparent + to users (you may also want to add some client side JavaScript to + override the text in the statusbar). Notice: + Many security experts believe that this form of protection does not deter spam-bots. +
          • +
        • + Redirect users to a splash page telling them they are leaving your + website. While this is poor usability practice, it is often mandated + in corporate environments. +
          • +
        +

        + Prior to HTML Purifier 3.1.1, this directive also enabled the munging + of browsable external resources, which could break things if your redirection + script was a splash page or used meta tags. To revert to + previous behavior, please use %URI.MungeResources. +

        +

        + You may want to also use %URI.MungeSecretKey along with this directive + in order to enforce what URIs your redirector script allows. Open + redirector scripts can be a security risk and negatively affect the + reputation of your domain name. +

        +

        + Starting with HTML Purifier 3.1.1, there is also these substitutions: +

        + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
        KeyDescriptionExample <a href="">
        %r1 - The URI embeds a resource
        (blank) - The URI is merely a link
        %nThe name of the tag this URI came froma
        %mThe name of the attribute this URI came fromhref
        %pThe name of the CSS property this URI came from, or blank if irrelevant
        +

        + Admittedly, these letters are somewhat arbitrary; the only stipulation + was that they couldn't be a through f. r is for resource (I would have preferred + e, but you take what you can get), n is for name, m + was picked because it came after n (and I couldn't use a), p is for + property. +

        +--# vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/URI.MungeResources.txt b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/URI.MungeResources.txt new file mode 100644 index 0000000..6fce0fd --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/URI.MungeResources.txt @@ -0,0 +1,17 @@ +URI.MungeResources +TYPE: bool +VERSION: 3.1.1 +DEFAULT: false +--DESCRIPTION-- +

        + If true, any URI munging directives like %URI.Munge + will also apply to embedded resources, such as <img src="">. + Be careful enabling this directive if you have a redirector script + that does not use the Location HTTP header; all of your images + and other embedded resources will break. +

        +

        + Warning: It is strongly advised you use this in conjunction + %URI.MungeSecretKey to mitigate the security risk of an open redirector. +

        +--# vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/URI.MungeSecretKey.txt b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/URI.MungeSecretKey.txt new file mode 100644 index 0000000..1e17c1d --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/URI.MungeSecretKey.txt @@ -0,0 +1,30 @@ +URI.MungeSecretKey +TYPE: string/null +VERSION: 3.1.1 +DEFAULT: NULL +--DESCRIPTION-- +

        + This directive enables secure checksum generation along with %URI.Munge. + It should be set to a secure key that is not shared with anyone else. + The checksum can be placed in the URI using %t. Use of this checksum + affords an additional level of protection by allowing a redirector + to check if a URI has passed through HTML Purifier with this line: +

        + +
        $checksum === hash_hmac("sha256", $url, $secret_key)
        + +

        + If the output is TRUE, the redirector script should accept the URI. +

        + +

        + Please note that it would still be possible for an attacker to procure + secure hashes en-mass by abusing your website's Preview feature or the + like, but this service affords an additional level of protection + that should be combined with website blacklisting. +

        + +

        + Remember this has no effect if %URI.Munge is not on. +

        +--# vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/URI.OverrideAllowedSchemes.txt b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/URI.OverrideAllowedSchemes.txt new file mode 100644 index 0000000..23331a4 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/URI.OverrideAllowedSchemes.txt @@ -0,0 +1,9 @@ +URI.OverrideAllowedSchemes +TYPE: bool +DEFAULT: true +--DESCRIPTION-- +If this is set to true (which it is by default), you can override +%URI.AllowedSchemes by simply registering a HTMLPurifier_URIScheme to the +registry. If false, you will also have to update that directive in order +to add more schemes. +--# vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/URI.SafeIframeRegexp.txt b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/URI.SafeIframeRegexp.txt new file mode 100644 index 0000000..7908483 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/URI.SafeIframeRegexp.txt @@ -0,0 +1,22 @@ +URI.SafeIframeRegexp +TYPE: string/null +VERSION: 4.4.0 +DEFAULT: NULL +--DESCRIPTION-- +

        + A PCRE regular expression that will be matched against an iframe URI. This is + a relatively inflexible scheme, but works well enough for the most common + use-case of iframes: embedded video. This directive only has an effect if + %HTML.SafeIframe is enabled. Here are some example values: +

        +
          +
        • %^http://www.youtube.com/embed/% - Allow YouTube videos
          • +
        • %^http://player.vimeo.com/video/% - Allow Vimeo videos
          • +
        • %^http://(www.youtube.com/embed/|player.vimeo.com/video/)% - Allow both
          • +
        +

        + Note that this directive does not give you enough granularity to, say, disable + all autoplay videos. Pipe up on the HTML Purifier forums if this + is a capability you want. +

        +--# vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/info.ini b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/info.ini new file mode 100644 index 0000000..5de4505 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/info.ini @@ -0,0 +1,3 @@ +name = "HTML Purifier" + +; vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ContentSets.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ContentSets.php new file mode 100644 index 0000000..543e3f8 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ContentSets.php @@ -0,0 +1,170 @@ + true) indexed by name. + * @type array + * @note This is in HTMLPurifier_HTMLDefinition->info_content_sets + */ + public $lookup = array(); + + /** + * Synchronized list of defined content sets (keys of info). + * @type array + */ + protected $keys = array(); + /** + * Synchronized list of defined content values (values of info). + * @type array + */ + protected $values = array(); + + /** + * Merges in module's content sets, expands identifiers in the content + * sets and populates the keys, values and lookup member variables. + * @param HTMLPurifier_HTMLModule[] $modules List of HTMLPurifier_HTMLModule + */ + public function __construct($modules) + { + if (!is_array($modules)) { + $modules = array($modules); + } + // populate content_sets based on module hints + // sorry, no way of overloading + foreach ($modules as $module) { + foreach ($module->content_sets as $key => $value) { + $temp = $this->convertToLookup($value); + if (isset($this->lookup[$key])) { + // add it into the existing content set + $this->lookup[$key] = array_merge($this->lookup[$key], $temp); + } else { + $this->lookup[$key] = $temp; + } + } + } + $old_lookup = false; + while ($old_lookup !== $this->lookup) { + $old_lookup = $this->lookup; + foreach ($this->lookup as $i => $set) { + $add = array(); + foreach ($set as $element => $x) { + if (isset($this->lookup[$element])) { + $add += $this->lookup[$element]; + unset($this->lookup[$i][$element]); + } + } + $this->lookup[$i] += $add; + } + } + + foreach ($this->lookup as $key => $lookup) { + $this->info[$key] = implode(' | ', array_keys($lookup)); + } + $this->keys = array_keys($this->info); + $this->values = array_values($this->info); + } + + /** + * Accepts a definition; generates and assigns a ChildDef for it + * @param HTMLPurifier_ElementDef $def HTMLPurifier_ElementDef reference + * @param HTMLPurifier_HTMLModule $module Module that defined the ElementDef + */ + public function generateChildDef(&$def, $module) + { + if (!empty($def->child)) { // already done! + return; + } + $content_model = $def->content_model; + if (is_string($content_model)) { + // Assume that $this->keys is alphanumeric + $def->content_model = preg_replace_callback( + '/\b(' . implode('|', $this->keys) . ')\b/', + array($this, 'generateChildDefCallback'), + $content_model + ); + //$def->content_model = str_replace( + // $this->keys, $this->values, $content_model); + } + $def->child = $this->getChildDef($def, $module); + } + + public function generateChildDefCallback($matches) + { + return $this->info[$matches[0]]; + } + + /** + * Instantiates a ChildDef based on content_model and content_model_type + * member variables in HTMLPurifier_ElementDef + * @note This will also defer to modules for custom HTMLPurifier_ChildDef + * subclasses that need content set expansion + * @param HTMLPurifier_ElementDef $def HTMLPurifier_ElementDef to have ChildDef extracted + * @param HTMLPurifier_HTMLModule $module Module that defined the ElementDef + * @return HTMLPurifier_ChildDef corresponding to ElementDef + */ + public function getChildDef($def, $module) + { + $value = $def->content_model; + if (is_object($value)) { + trigger_error( + 'Literal object child definitions should be stored in '. + 'ElementDef->child not ElementDef->content_model', + E_USER_NOTICE + ); + return $value; + } + switch ($def->content_model_type) { + case 'required': + return new HTMLPurifier_ChildDef_Required($value); + case 'optional': + return new HTMLPurifier_ChildDef_Optional($value); + case 'empty': + return new HTMLPurifier_ChildDef_Empty(); + case 'custom': + return new HTMLPurifier_ChildDef_Custom($value); + } + // defer to its module + $return = false; + if ($module->defines_child_def) { // save a func call + $return = $module->getChildDef($def); + } + if ($return !== false) { + return $return; + } + // error-out + trigger_error( + 'Could not determine which ChildDef class to instantiate', + E_USER_ERROR + ); + return false; + } + + /** + * Converts a string list of elements separated by pipes into + * a lookup array. + * @param string $string List of elements + * @return array Lookup array of elements + */ + protected function convertToLookup($string) + { + $array = explode('|', str_replace(' ', '', $string)); + $ret = array(); + foreach ($array as $k) { + $ret[$k] = true; + } + return $ret; + } +} + +// vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Context.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Context.php new file mode 100644 index 0000000..00e509c --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Context.php @@ -0,0 +1,95 @@ +_storage)) { + trigger_error( + "Name $name produces collision, cannot re-register", + E_USER_ERROR + ); + return; + } + $this->_storage[$name] =& $ref; + } + + /** + * Retrieves a variable reference from the context. + * @param string $name String name + * @param bool $ignore_error Boolean whether or not to ignore error + * @return mixed + */ + public function &get($name, $ignore_error = false) + { + if (!array_key_exists($name, $this->_storage)) { + if (!$ignore_error) { + trigger_error( + "Attempted to retrieve non-existent variable $name", + E_USER_ERROR + ); + } + $var = null; // so we can return by reference + return $var; + } + return $this->_storage[$name]; + } + + /** + * Destroys a variable in the context. + * @param string $name String name + */ + public function destroy($name) + { + if (!array_key_exists($name, $this->_storage)) { + trigger_error( + "Attempted to destroy non-existent variable $name", + E_USER_ERROR + ); + return; + } + unset($this->_storage[$name]); + } + + /** + * Checks whether or not the variable exists. + * @param string $name String name + * @return bool + */ + public function exists($name) + { + return array_key_exists($name, $this->_storage); + } + + /** + * Loads a series of variables from an associative array + * @param array $context_array Assoc array of variables to load + */ + public function loadArray($context_array) + { + foreach ($context_array as $key => $discard) { + $this->register($key, $context_array[$key]); + } + } +} + +// vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Definition.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Definition.php new file mode 100644 index 0000000..bc6d433 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Definition.php @@ -0,0 +1,55 @@ +setup) { + return; + } + $this->setup = true; + $this->doSetup($config); + } +} + +// vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/DefinitionCache.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/DefinitionCache.php new file mode 100644 index 0000000..9aa8ff3 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/DefinitionCache.php @@ -0,0 +1,129 @@ +type = $type; + } + + /** + * Generates a unique identifier for a particular configuration + * @param HTMLPurifier_Config $config Instance of HTMLPurifier_Config + * @return string + */ + public function generateKey($config) + { + return $config->version . ',' . // possibly replace with function calls + $config->getBatchSerial($this->type) . ',' . + $config->get($this->type . '.DefinitionRev'); + } + + /** + * Tests whether or not a key is old with respect to the configuration's + * version and revision number. + * @param string $key Key to test + * @param HTMLPurifier_Config $config Instance of HTMLPurifier_Config to test against + * @return bool + */ + public function isOld($key, $config) + { + if (substr_count($key, ',') < 2) { + return true; + } + list($version, $hash, $revision) = explode(',', $key, 3); + $compare = version_compare($version, $config->version); + // version mismatch, is always old + if ($compare != 0) { + return true; + } + // versions match, ids match, check revision number + if ($hash == $config->getBatchSerial($this->type) && + $revision < $config->get($this->type . '.DefinitionRev')) { + return true; + } + return false; + } + + /** + * Checks if a definition's type jives with the cache's type + * @note Throws an error on failure + * @param HTMLPurifier_Definition $def Definition object to check + * @return bool true if good, false if not + */ + public function checkDefType($def) + { + if ($def->type !== $this->type) { + trigger_error("Cannot use definition of type {$def->type} in cache for {$this->type}"); + return false; + } + return true; + } + + /** + * Adds a definition object to the cache + * @param HTMLPurifier_Definition $def + * @param HTMLPurifier_Config $config + */ + abstract public function add($def, $config); + + /** + * Unconditionally saves a definition object to the cache + * @param HTMLPurifier_Definition $def + * @param HTMLPurifier_Config $config + */ + abstract public function set($def, $config); + + /** + * Replace an object in the cache + * @param HTMLPurifier_Definition $def + * @param HTMLPurifier_Config $config + */ + abstract public function replace($def, $config); + + /** + * Retrieves a definition object from the cache + * @param HTMLPurifier_Config $config + */ + abstract public function get($config); + + /** + * Removes a definition object to the cache + * @param HTMLPurifier_Config $config + */ + abstract public function remove($config); + + /** + * Clears all objects from cache + * @param HTMLPurifier_Config $config + */ + abstract public function flush($config); + + /** + * Clears all expired (older version or revision) objects from cache + * @note Be careful implementing this method as flush. Flush must + * not interfere with other Definition types, and cleanup() + * should not be repeatedly called by userland code. + * @param HTMLPurifier_Config $config + */ + abstract public function cleanup($config); +} + +// vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/DefinitionCache/Decorator.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/DefinitionCache/Decorator.php new file mode 100644 index 0000000..b57a51b --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/DefinitionCache/Decorator.php @@ -0,0 +1,112 @@ +copy(); + // reference is necessary for mocks in PHP 4 + $decorator->cache =& $cache; + $decorator->type = $cache->type; + return $decorator; + } + + /** + * Cross-compatible clone substitute + * @return HTMLPurifier_DefinitionCache_Decorator + */ + public function copy() + { + return new HTMLPurifier_DefinitionCache_Decorator(); + } + + /** + * @param HTMLPurifier_Definition $def + * @param HTMLPurifier_Config $config + * @return mixed + */ + public function add($def, $config) + { + return $this->cache->add($def, $config); + } + + /** + * @param HTMLPurifier_Definition $def + * @param HTMLPurifier_Config $config + * @return mixed + */ + public function set($def, $config) + { + return $this->cache->set($def, $config); + } + + /** + * @param HTMLPurifier_Definition $def + * @param HTMLPurifier_Config $config + * @return mixed + */ + public function replace($def, $config) + { + return $this->cache->replace($def, $config); + } + + /** + * @param HTMLPurifier_Config $config + * @return mixed + */ + public function get($config) + { + return $this->cache->get($config); + } + + /** + * @param HTMLPurifier_Config $config + * @return mixed + */ + public function remove($config) + { + return $this->cache->remove($config); + } + + /** + * @param HTMLPurifier_Config $config + * @return mixed + */ + public function flush($config) + { + return $this->cache->flush($config); + } + + /** + * @param HTMLPurifier_Config $config + * @return mixed + */ + public function cleanup($config) + { + return $this->cache->cleanup($config); + } +} + +// vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/DefinitionCache/Decorator/Cleanup.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/DefinitionCache/Decorator/Cleanup.php new file mode 100644 index 0000000..4991777 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/DefinitionCache/Decorator/Cleanup.php @@ -0,0 +1,78 @@ +definitions[$this->generateKey($config)] = $def; + } + return $status; + } + + /** + * @param HTMLPurifier_Definition $def + * @param HTMLPurifier_Config $config + * @return mixed + */ + public function set($def, $config) + { + $status = parent::set($def, $config); + if ($status) { + $this->definitions[$this->generateKey($config)] = $def; + } + return $status; + } + + /** + * @param HTMLPurifier_Definition $def + * @param HTMLPurifier_Config $config + * @return mixed + */ + public function replace($def, $config) + { + $status = parent::replace($def, $config); + if ($status) { + $this->definitions[$this->generateKey($config)] = $def; + } + return $status; + } + + /** + * @param HTMLPurifier_Config $config + * @return mixed + */ + public function get($config) + { + $key = $this->generateKey($config); + if (isset($this->definitions[$key])) { + return $this->definitions[$key]; + } + $this->definitions[$key] = parent::get($config); + return $this->definitions[$key]; + } +} + +// vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/DefinitionCache/Decorator/Template.php.in b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/DefinitionCache/Decorator/Template.php.in new file mode 100644 index 0000000..b1fec8d --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/DefinitionCache/Decorator/Template.php.in @@ -0,0 +1,82 @@ +checkDefType($def)) { + return; + } + $file = $this->generateFilePath($config); + if (file_exists($file)) { + return false; + } + if (!$this->_prepareDir($config)) { + return false; + } + return $this->_write($file, serialize($def), $config); + } + + /** + * @param HTMLPurifier_Definition $def + * @param HTMLPurifier_Config $config + * @return int|bool + */ + public function set($def, $config) + { + if (!$this->checkDefType($def)) { + return; + } + $file = $this->generateFilePath($config); + if (!$this->_prepareDir($config)) { + return false; + } + return $this->_write($file, serialize($def), $config); + } + + /** + * @param HTMLPurifier_Definition $def + * @param HTMLPurifier_Config $config + * @return int|bool + */ + public function replace($def, $config) + { + if (!$this->checkDefType($def)) { + return; + } + $file = $this->generateFilePath($config); + if (!file_exists($file)) { + return false; + } + if (!$this->_prepareDir($config)) { + return false; + } + return $this->_write($file, serialize($def), $config); + } + + /** + * @param HTMLPurifier_Config $config + * @return bool|HTMLPurifier_Config + */ + public function get($config) + { + $file = $this->generateFilePath($config); + if (!file_exists($file)) { + return false; + } + return unserialize(file_get_contents($file)); + } + + /** + * @param HTMLPurifier_Config $config + * @return bool + */ + public function remove($config) + { + $file = $this->generateFilePath($config); + if (!file_exists($file)) { + return false; + } + return unlink($file); + } + + /** + * @param HTMLPurifier_Config $config + * @return bool + */ + public function flush($config) + { + if (!$this->_prepareDir($config)) { + return false; + } + $dir = $this->generateDirectoryPath($config); + $dh = opendir($dir); + // Apparently, on some versions of PHP, readdir will return + // an empty string if you pass an invalid argument to readdir. + // So you need this test. See #49. + if (false === $dh) { + return false; + } + while (false !== ($filename = readdir($dh))) { + if (empty($filename)) { + continue; + } + if ($filename[0] === '.') { + continue; + } + unlink($dir . '/' . $filename); + } + closedir($dh); + return true; + } + + /** + * @param HTMLPurifier_Config $config + * @return bool + */ + public function cleanup($config) + { + if (!$this->_prepareDir($config)) { + return false; + } + $dir = $this->generateDirectoryPath($config); + $dh = opendir($dir); + // See #49 (and above). + if (false === $dh) { + return false; + } + while (false !== ($filename = readdir($dh))) { + if (empty($filename)) { + continue; + } + if ($filename[0] === '.') { + continue; + } + $key = substr($filename, 0, strlen($filename) - 4); + if ($this->isOld($key, $config)) { + unlink($dir . '/' . $filename); + } + } + closedir($dh); + return true; + } + + /** + * Generates the file path to the serial file corresponding to + * the configuration and definition name + * @param HTMLPurifier_Config $config + * @return string + * @todo Make protected + */ + public function generateFilePath($config) + { + $key = $this->generateKey($config); + return $this->generateDirectoryPath($config) . '/' . $key . '.ser'; + } + + /** + * Generates the path to the directory contain this cache's serial files + * @param HTMLPurifier_Config $config + * @return string + * @note No trailing slash + * @todo Make protected + */ + public function generateDirectoryPath($config) + { + $base = $this->generateBaseDirectoryPath($config); + return $base . '/' . $this->type; + } + + /** + * Generates path to base directory that contains all definition type + * serials + * @param HTMLPurifier_Config $config + * @return mixed|string + * @todo Make protected + */ + public function generateBaseDirectoryPath($config) + { + $base = $config->get('Cache.SerializerPath'); + $base = is_null($base) ? HTMLPURIFIER_PREFIX . '/HTMLPurifier/DefinitionCache/Serializer' : $base; + return $base; + } + + /** + * Convenience wrapper function for file_put_contents + * @param string $file File name to write to + * @param string $data Data to write into file + * @param HTMLPurifier_Config $config + * @return int|bool Number of bytes written if success, or false if failure. + */ + private function _write($file, $data, $config) + { + $result = file_put_contents($file, $data); + if ($result !== false) { + // set permissions of the new file (no execute) + $chmod = $config->get('Cache.SerializerPermissions'); + if ($chmod !== null) { + chmod($file, $chmod & 0666); + } + } + return $result; + } + + /** + * Prepares the directory that this type stores the serials in + * @param HTMLPurifier_Config $config + * @return bool True if successful + */ + private function _prepareDir($config) + { + $directory = $this->generateDirectoryPath($config); + $chmod = $config->get('Cache.SerializerPermissions'); + if ($chmod === null) { + if (!@mkdir($directory) && !is_dir($directory)) { + trigger_error( + 'Could not create directory ' . $directory . '', + E_USER_WARNING + ); + return false; + } + return true; + } + if (!is_dir($directory)) { + $base = $this->generateBaseDirectoryPath($config); + if (!is_dir($base)) { + trigger_error( + 'Base directory ' . $base . ' does not exist, + please create or change using %Cache.SerializerPath', + E_USER_WARNING + ); + return false; + } elseif (!$this->_testPermissions($base, $chmod)) { + return false; + } + if (!@mkdir($directory, $chmod) && !is_dir($directory)) { + trigger_error( + 'Could not create directory ' . $directory . '', + E_USER_WARNING + ); + return false; + } + if (!$this->_testPermissions($directory, $chmod)) { + return false; + } + } elseif (!$this->_testPermissions($directory, $chmod)) { + return false; + } + return true; + } + + /** + * Tests permissions on a directory and throws out friendly + * error messages and attempts to chmod it itself if possible + * @param string $dir Directory path + * @param int $chmod Permissions + * @return bool True if directory is writable + */ + private function _testPermissions($dir, $chmod) + { + // early abort, if it is writable, everything is hunky-dory + if (is_writable($dir)) { + return true; + } + if (!is_dir($dir)) { + // generally, you'll want to handle this beforehand + // so a more specific error message can be given + trigger_error( + 'Directory ' . $dir . ' does not exist', + E_USER_WARNING + ); + return false; + } + if (function_exists('posix_getuid') && $chmod !== null) { + // POSIX system, we can give more specific advice + if (fileowner($dir) === posix_getuid()) { + // we can chmod it ourselves + $chmod = $chmod | 0700; + if (chmod($dir, $chmod)) { + return true; + } + } elseif (filegroup($dir) === posix_getgid()) { + $chmod = $chmod | 0070; + } else { + // PHP's probably running as nobody, so we'll + // need to give global permissions + $chmod = $chmod | 0777; + } + trigger_error( + 'Directory ' . $dir . ' not writable, ' . + 'please chmod to ' . decoct($chmod), + E_USER_WARNING + ); + } else { + // generic error message + trigger_error( + 'Directory ' . $dir . ' not writable, ' . + 'please alter file permissions', + E_USER_WARNING + ); + } + return false; + } +} + +// vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/DefinitionCache/Serializer/README b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/DefinitionCache/Serializer/README new file mode 100755 index 0000000..2e35c1c --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/DefinitionCache/Serializer/README @@ -0,0 +1,3 @@ +This is a dummy file to prevent Git from ignoring this empty directory. + + vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/DefinitionCacheFactory.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/DefinitionCacheFactory.php new file mode 100644 index 0000000..fd1cc9b --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/DefinitionCacheFactory.php @@ -0,0 +1,106 @@ + array()); + + /** + * @type array + */ + protected $implementations = array(); + + /** + * @type HTMLPurifier_DefinitionCache_Decorator[] + */ + protected $decorators = array(); + + /** + * Initialize default decorators + */ + public function setup() + { + $this->addDecorator('Cleanup'); + } + + /** + * Retrieves an instance of global definition cache factory. + * @param HTMLPurifier_DefinitionCacheFactory $prototype + * @return HTMLPurifier_DefinitionCacheFactory + */ + public static function instance($prototype = null) + { + static $instance; + if ($prototype !== null) { + $instance = $prototype; + } elseif ($instance === null || $prototype === true) { + $instance = new HTMLPurifier_DefinitionCacheFactory(); + $instance->setup(); + } + return $instance; + } + + /** + * Registers a new definition cache object + * @param string $short Short name of cache object, for reference + * @param string $long Full class name of cache object, for construction + */ + public function register($short, $long) + { + $this->implementations[$short] = $long; + } + + /** + * Factory method that creates a cache object based on configuration + * @param string $type Name of definitions handled by cache + * @param HTMLPurifier_Config $config Config instance + * @return mixed + */ + public function create($type, $config) + { + $method = $config->get('Cache.DefinitionImpl'); + if ($method === null) { + return new HTMLPurifier_DefinitionCache_Null($type); + } + if (!empty($this->caches[$method][$type])) { + return $this->caches[$method][$type]; + } + if (isset($this->implementations[$method]) && + class_exists($class = $this->implementations[$method], false)) { + $cache = new $class($type); + } else { + if ($method != 'Serializer') { + trigger_error("Unrecognized DefinitionCache $method, using Serializer instead", E_USER_WARNING); + } + $cache = new HTMLPurifier_DefinitionCache_Serializer($type); + } + foreach ($this->decorators as $decorator) { + $new_cache = $decorator->decorate($cache); + // prevent infinite recursion in PHP 4 + unset($cache); + $cache = $new_cache; + } + $this->caches[$method][$type] = $cache; + return $this->caches[$method][$type]; + } + + /** + * Registers a decorator to add to all new cache objects + * @param HTMLPurifier_DefinitionCache_Decorator|string $decorator An instance or the name of a decorator + */ + public function addDecorator($decorator) + { + if (is_string($decorator)) { + $class = "HTMLPurifier_DefinitionCache_Decorator_$decorator"; + $decorator = new $class; + } + $this->decorators[$decorator->name] = $decorator; + } +} + +// vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Doctype.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Doctype.php new file mode 100644 index 0000000..4acd06e --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Doctype.php @@ -0,0 +1,73 @@ +renderDoctype. + * If structure changes, please update that function. + */ +class HTMLPurifier_Doctype +{ + /** + * Full name of doctype + * @type string + */ + public $name; + + /** + * List of standard modules (string identifiers or literal objects) + * that this doctype uses + * @type array + */ + public $modules = array(); + + /** + * List of modules to use for tidying up code + * @type array + */ + public $tidyModules = array(); + + /** + * Is the language derived from XML (i.e. XHTML)? + * @type bool + */ + public $xml = true; + + /** + * List of aliases for this doctype + * @type array + */ + public $aliases = array(); + + /** + * Public DTD identifier + * @type string + */ + public $dtdPublic; + + /** + * System DTD identifier + * @type string + */ + public $dtdSystem; + + public function __construct( + $name = null, + $xml = true, + $modules = array(), + $tidyModules = array(), + $aliases = array(), + $dtd_public = null, + $dtd_system = null + ) { + $this->name = $name; + $this->xml = $xml; + $this->modules = $modules; + $this->tidyModules = $tidyModules; + $this->aliases = $aliases; + $this->dtdPublic = $dtd_public; + $this->dtdSystem = $dtd_system; + } +} + +// vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/DoctypeRegistry.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/DoctypeRegistry.php new file mode 100644 index 0000000..acc1d64 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/DoctypeRegistry.php @@ -0,0 +1,142 @@ +doctypes[$doctype->name] = $doctype; + $name = $doctype->name; + // hookup aliases + foreach ($doctype->aliases as $alias) { + if (isset($this->doctypes[$alias])) { + continue; + } + $this->aliases[$alias] = $name; + } + // remove old aliases + if (isset($this->aliases[$name])) { + unset($this->aliases[$name]); + } + return $doctype; + } + + /** + * Retrieves reference to a doctype of a certain name + * @note This function resolves aliases + * @note When possible, use the more fully-featured make() + * @param string $doctype Name of doctype + * @return HTMLPurifier_Doctype Editable doctype object + */ + public function get($doctype) + { + if (isset($this->aliases[$doctype])) { + $doctype = $this->aliases[$doctype]; + } + if (!isset($this->doctypes[$doctype])) { + trigger_error('Doctype ' . htmlspecialchars($doctype) . ' does not exist', E_USER_ERROR); + $anon = new HTMLPurifier_Doctype($doctype); + return $anon; + } + return $this->doctypes[$doctype]; + } + + /** + * Creates a doctype based on a configuration object, + * will perform initialization on the doctype + * @note Use this function to get a copy of doctype that config + * can hold on to (this is necessary in order to tell + * Generator whether or not the current document is XML + * based or not). + * @param HTMLPurifier_Config $config + * @return HTMLPurifier_Doctype + */ + public function make($config) + { + return clone $this->get($this->getDoctypeFromConfig($config)); + } + + /** + * Retrieves the doctype from the configuration object + * @param HTMLPurifier_Config $config + * @return string + */ + public function getDoctypeFromConfig($config) + { + // recommended test + $doctype = $config->get('HTML.Doctype'); + if (!empty($doctype)) { + return $doctype; + } + $doctype = $config->get('HTML.CustomDoctype'); + if (!empty($doctype)) { + return $doctype; + } + // backwards-compatibility + if ($config->get('HTML.XHTML')) { + $doctype = 'XHTML 1.0'; + } else { + $doctype = 'HTML 4.01'; + } + if ($config->get('HTML.Strict')) { + $doctype .= ' Strict'; + } else { + $doctype .= ' Transitional'; + } + return $doctype; + } +} + +// vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ElementDef.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ElementDef.php new file mode 100644 index 0000000..d5311ce --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ElementDef.php @@ -0,0 +1,216 @@ +setup(), this array may also + * contain an array at index 0 that indicates which attribute + * collections to load into the full array. It may also + * contain string indentifiers in lieu of HTMLPurifier_AttrDef, + * see HTMLPurifier_AttrTypes on how they are expanded during + * HTMLPurifier_HTMLDefinition->setup() processing. + */ + public $attr = array(); + + // XXX: Design note: currently, it's not possible to override + // previously defined AttrTransforms without messing around with + // the final generated config. This is by design; a previous version + // used an associated list of attr_transform, but it was extremely + // easy to accidentally override other attribute transforms by + // forgetting to specify an index (and just using 0.) While we + // could check this by checking the index number and complaining, + // there is a second problem which is that it is not at all easy to + // tell when something is getting overridden. Combine this with a + // codebase where this isn't really being used, and it's perfect for + // nuking. + + /** + * List of tags HTMLPurifier_AttrTransform to be done before validation. + * @type array + */ + public $attr_transform_pre = array(); + + /** + * List of tags HTMLPurifier_AttrTransform to be done after validation. + * @type array + */ + public $attr_transform_post = array(); + + /** + * HTMLPurifier_ChildDef of this tag. + * @type HTMLPurifier_ChildDef + */ + public $child; + + /** + * Abstract string representation of internal ChildDef rules. + * @see HTMLPurifier_ContentSets for how this is parsed and then transformed + * into an HTMLPurifier_ChildDef. + * @warning This is a temporary variable that is not available after + * being processed by HTMLDefinition + * @type string + */ + public $content_model; + + /** + * Value of $child->type, used to determine which ChildDef to use, + * used in combination with $content_model. + * @warning This must be lowercase + * @warning This is a temporary variable that is not available after + * being processed by HTMLDefinition + * @type string + */ + public $content_model_type; + + /** + * Does the element have a content model (#PCDATA | Inline)*? This + * is important for chameleon ins and del processing in + * HTMLPurifier_ChildDef_Chameleon. Dynamically set: modules don't + * have to worry about this one. + * @type bool + */ + public $descendants_are_inline = false; + + /** + * List of the names of required attributes this element has. + * Dynamically populated by HTMLPurifier_HTMLDefinition::getElement() + * @type array + */ + public $required_attr = array(); + + /** + * Lookup table of tags excluded from all descendants of this tag. + * @type array + * @note SGML permits exclusions for all descendants, but this is + * not possible with DTDs or XML Schemas. W3C has elected to + * use complicated compositions of content_models to simulate + * exclusion for children, but we go the simpler, SGML-style + * route of flat-out exclusions, which correctly apply to + * all descendants and not just children. Note that the XHTML + * Modularization Abstract Modules are blithely unaware of such + * distinctions. + */ + public $excludes = array(); + + /** + * This tag is explicitly auto-closed by the following tags. + * @type array + */ + public $autoclose = array(); + + /** + * If a foreign element is found in this element, test if it is + * allowed by this sub-element; if it is, instead of closing the + * current element, place it inside this element. + * @type string + */ + public $wrap; + + /** + * Whether or not this is a formatting element affected by the + * "Active Formatting Elements" algorithm. + * @type bool + */ + public $formatting; + + /** + * Low-level factory constructor for creating new standalone element defs + */ + public static function create($content_model, $content_model_type, $attr) + { + $def = new HTMLPurifier_ElementDef(); + $def->content_model = $content_model; + $def->content_model_type = $content_model_type; + $def->attr = $attr; + return $def; + } + + /** + * Merges the values of another element definition into this one. + * Values from the new element def take precedence if a value is + * not mergeable. + * @param HTMLPurifier_ElementDef $def + */ + public function mergeIn($def) + { + // later keys takes precedence + foreach ($def->attr as $k => $v) { + if ($k === 0) { + // merge in the includes + // sorry, no way to override an include + foreach ($v as $v2) { + $this->attr[0][] = $v2; + } + continue; + } + if ($v === false) { + if (isset($this->attr[$k])) { + unset($this->attr[$k]); + } + continue; + } + $this->attr[$k] = $v; + } + $this->_mergeAssocArray($this->excludes, $def->excludes); + $this->attr_transform_pre = array_merge($this->attr_transform_pre, $def->attr_transform_pre); + $this->attr_transform_post = array_merge($this->attr_transform_post, $def->attr_transform_post); + + if (!empty($def->content_model)) { + $this->content_model = + str_replace("#SUPER", $this->content_model, $def->content_model); + $this->child = false; + } + if (!empty($def->content_model_type)) { + $this->content_model_type = $def->content_model_type; + $this->child = false; + } + if (!is_null($def->child)) { + $this->child = $def->child; + } + if (!is_null($def->formatting)) { + $this->formatting = $def->formatting; + } + if ($def->descendants_are_inline) { + $this->descendants_are_inline = $def->descendants_are_inline; + } + } + + /** + * Merges one array into another, removes values which equal false + * @param $a1 Array by reference that is merged into + * @param $a2 Array that merges into $a1 + */ + private function _mergeAssocArray(&$a1, $a2) + { + foreach ($a2 as $k => $v) { + if ($v === false) { + if (isset($a1[$k])) { + unset($a1[$k]); + } + continue; + } + $a1[$k] = $v; + } + } +} + +// vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Encoder.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Encoder.php new file mode 100644 index 0000000..b94f175 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Encoder.php @@ -0,0 +1,617 @@ += $c) { + $r .= self::unsafeIconv($in, $out, substr($text, $i)); + break; + } + // wibble the boundary + if (0x80 != (0xC0 & ord($text[$i + $max_chunk_size]))) { + $chunk_size = $max_chunk_size; + } elseif (0x80 != (0xC0 & ord($text[$i + $max_chunk_size - 1]))) { + $chunk_size = $max_chunk_size - 1; + } elseif (0x80 != (0xC0 & ord($text[$i + $max_chunk_size - 2]))) { + $chunk_size = $max_chunk_size - 2; + } elseif (0x80 != (0xC0 & ord($text[$i + $max_chunk_size - 3]))) { + $chunk_size = $max_chunk_size - 3; + } else { + return false; // rather confusing UTF-8... + } + $chunk = substr($text, $i, $chunk_size); // substr doesn't mind overlong lengths + $r .= self::unsafeIconv($in, $out, $chunk); + $i += $chunk_size; + } + return $r; + } else { + return false; + } + } else { + return false; + } + } + + /** + * Cleans a UTF-8 string for well-formedness and SGML validity + * + * It will parse according to UTF-8 and return a valid UTF8 string, with + * non-SGML codepoints excluded. + * + * Specifically, it will permit: + * \x{9}\x{A}\x{D}\x{20}-\x{7E}\x{A0}-\x{D7FF}\x{E000}-\x{FFFD}\x{10000}-\x{10FFFF} + * Source: https://www.w3.org/TR/REC-xml/#NT-Char + * Arguably this function should be modernized to the HTML5 set + * of allowed characters: + * https://www.w3.org/TR/html5/syntax.html#preprocessing-the-input-stream + * which simultaneously expand and restrict the set of allowed characters. + * + * @param string $str The string to clean + * @param bool $force_php + * @return string + * + * @note Just for reference, the non-SGML code points are 0 to 31 and + * 127 to 159, inclusive. However, we allow code points 9, 10 + * and 13, which are the tab, line feed and carriage return + * respectively. 128 and above the code points map to multibyte + * UTF-8 representations. + * + * @note Fallback code adapted from utf8ToUnicode by Henri Sivonen and + * hsivonen@iki.fi at under the + * LGPL license. Notes on what changed are inside, but in general, + * the original code transformed UTF-8 text into an array of integer + * Unicode codepoints. Understandably, transforming that back to + * a string would be somewhat expensive, so the function was modded to + * directly operate on the string. However, this discourages code + * reuse, and the logic enumerated here would be useful for any + * function that needs to be able to understand UTF-8 characters. + * As of right now, only smart lossless character encoding converters + * would need that, and I'm probably not going to implement them. + */ + public static function cleanUTF8($str, $force_php = false) + { + // UTF-8 validity is checked since PHP 4.3.5 + // This is an optimization: if the string is already valid UTF-8, no + // need to do PHP stuff. 99% of the time, this will be the case. + if (preg_match( + '/^[\x{9}\x{A}\x{D}\x{20}-\x{7E}\x{A0}-\x{D7FF}\x{E000}-\x{FFFD}\x{10000}-\x{10FFFF}]*$/Du', + $str + )) { + return $str; + } + + $mState = 0; // cached expected number of octets after the current octet + // until the beginning of the next UTF8 character sequence + $mUcs4 = 0; // cached Unicode character + $mBytes = 1; // cached expected number of octets in the current sequence + + // original code involved an $out that was an array of Unicode + // codepoints. Instead of having to convert back into UTF-8, we've + // decided to directly append valid UTF-8 characters onto a string + // $out once they're done. $char accumulates raw bytes, while $mUcs4 + // turns into the Unicode code point, so there's some redundancy. + + $out = ''; + $char = ''; + + $len = strlen($str); + for ($i = 0; $i < $len; $i++) { + $in = ord($str{$i}); + $char .= $str[$i]; // append byte to char + if (0 == $mState) { + // When mState is zero we expect either a US-ASCII character + // or a multi-octet sequence. + if (0 == (0x80 & ($in))) { + // US-ASCII, pass straight through. + if (($in <= 31 || $in == 127) && + !($in == 9 || $in == 13 || $in == 10) // save \r\t\n + ) { + // control characters, remove + } else { + $out .= $char; + } + // reset + $char = ''; + $mBytes = 1; + } elseif (0xC0 == (0xE0 & ($in))) { + // First octet of 2 octet sequence + $mUcs4 = ($in); + $mUcs4 = ($mUcs4 & 0x1F) << 6; + $mState = 1; + $mBytes = 2; + } elseif (0xE0 == (0xF0 & ($in))) { + // First octet of 3 octet sequence + $mUcs4 = ($in); + $mUcs4 = ($mUcs4 & 0x0F) << 12; + $mState = 2; + $mBytes = 3; + } elseif (0xF0 == (0xF8 & ($in))) { + // First octet of 4 octet sequence + $mUcs4 = ($in); + $mUcs4 = ($mUcs4 & 0x07) << 18; + $mState = 3; + $mBytes = 4; + } elseif (0xF8 == (0xFC & ($in))) { + // First octet of 5 octet sequence. + // + // This is illegal because the encoded codepoint must be + // either: + // (a) not the shortest form or + // (b) outside the Unicode range of 0-0x10FFFF. + // Rather than trying to resynchronize, we will carry on + // until the end of the sequence and let the later error + // handling code catch it. + $mUcs4 = ($in); + $mUcs4 = ($mUcs4 & 0x03) << 24; + $mState = 4; + $mBytes = 5; + } elseif (0xFC == (0xFE & ($in))) { + // First octet of 6 octet sequence, see comments for 5 + // octet sequence. + $mUcs4 = ($in); + $mUcs4 = ($mUcs4 & 1) << 30; + $mState = 5; + $mBytes = 6; + } else { + // Current octet is neither in the US-ASCII range nor a + // legal first octet of a multi-octet sequence. + $mState = 0; + $mUcs4 = 0; + $mBytes = 1; + $char = ''; + } + } else { + // When mState is non-zero, we expect a continuation of the + // multi-octet sequence + if (0x80 == (0xC0 & ($in))) { + // Legal continuation. + $shift = ($mState - 1) * 6; + $tmp = $in; + $tmp = ($tmp & 0x0000003F) << $shift; + $mUcs4 |= $tmp; + + if (0 == --$mState) { + // End of the multi-octet sequence. mUcs4 now contains + // the final Unicode codepoint to be output + + // Check for illegal sequences and codepoints. + + // From Unicode 3.1, non-shortest form is illegal + if (((2 == $mBytes) && ($mUcs4 < 0x0080)) || + ((3 == $mBytes) && ($mUcs4 < 0x0800)) || + ((4 == $mBytes) && ($mUcs4 < 0x10000)) || + (4 < $mBytes) || + // From Unicode 3.2, surrogate characters = illegal + (($mUcs4 & 0xFFFFF800) == 0xD800) || + // Codepoints outside the Unicode range are illegal + ($mUcs4 > 0x10FFFF) + ) { + + } elseif (0xFEFF != $mUcs4 && // omit BOM + // check for valid Char unicode codepoints + ( + 0x9 == $mUcs4 || + 0xA == $mUcs4 || + 0xD == $mUcs4 || + (0x20 <= $mUcs4 && 0x7E >= $mUcs4) || + // 7F-9F is not strictly prohibited by XML, + // but it is non-SGML, and thus we don't allow it + (0xA0 <= $mUcs4 && 0xD7FF >= $mUcs4) || + (0xE000 <= $mUcs4 && 0xFFFD >= $mUcs4) || + (0x10000 <= $mUcs4 && 0x10FFFF >= $mUcs4) + ) + ) { + $out .= $char; + } + // initialize UTF8 cache (reset) + $mState = 0; + $mUcs4 = 0; + $mBytes = 1; + $char = ''; + } + } else { + // ((0xC0 & (*in) != 0x80) && (mState != 0)) + // Incomplete multi-octet sequence. + // used to result in complete fail, but we'll reset + $mState = 0; + $mUcs4 = 0; + $mBytes = 1; + $char =''; + } + } + } + return $out; + } + + /** + * Translates a Unicode codepoint into its corresponding UTF-8 character. + * @note Based on Feyd's function at + * , + * which is in public domain. + * @note While we're going to do code point parsing anyway, a good + * optimization would be to refuse to translate code points that + * are non-SGML characters. However, this could lead to duplication. + * @note This is very similar to the unichr function in + * maintenance/generate-entity-file.php (although this is superior, + * due to its sanity checks). + */ + + // +----------+----------+----------+----------+ + // | 33222222 | 22221111 | 111111 | | + // | 10987654 | 32109876 | 54321098 | 76543210 | bit + // +----------+----------+----------+----------+ + // | | | | 0xxxxxxx | 1 byte 0x00000000..0x0000007F + // | | | 110yyyyy | 10xxxxxx | 2 byte 0x00000080..0x000007FF + // | | 1110zzzz | 10yyyyyy | 10xxxxxx | 3 byte 0x00000800..0x0000FFFF + // | 11110www | 10wwzzzz | 10yyyyyy | 10xxxxxx | 4 byte 0x00010000..0x0010FFFF + // +----------+----------+----------+----------+ + // | 00000000 | 00011111 | 11111111 | 11111111 | Theoretical upper limit of legal scalars: 2097151 (0x001FFFFF) + // | 00000000 | 00010000 | 11111111 | 11111111 | Defined upper limit of legal scalar codes + // +----------+----------+----------+----------+ + + public static function unichr($code) + { + if ($code > 1114111 or $code < 0 or + ($code >= 55296 and $code <= 57343) ) { + // bits are set outside the "valid" range as defined + // by UNICODE 4.1.0 + return ''; + } + + $x = $y = $z = $w = 0; + if ($code < 128) { + // regular ASCII character + $x = $code; + } else { + // set up bits for UTF-8 + $x = ($code & 63) | 128; + if ($code < 2048) { + $y = (($code & 2047) >> 6) | 192; + } else { + $y = (($code & 4032) >> 6) | 128; + if ($code < 65536) { + $z = (($code >> 12) & 15) | 224; + } else { + $z = (($code >> 12) & 63) | 128; + $w = (($code >> 18) & 7) | 240; + } + } + } + // set up the actual character + $ret = ''; + if ($w) { + $ret .= chr($w); + } + if ($z) { + $ret .= chr($z); + } + if ($y) { + $ret .= chr($y); + } + $ret .= chr($x); + + return $ret; + } + + /** + * @return bool + */ + public static function iconvAvailable() + { + static $iconv = null; + if ($iconv === null) { + $iconv = function_exists('iconv') && self::testIconvTruncateBug() != self::ICONV_UNUSABLE; + } + return $iconv; + } + + /** + * Convert a string to UTF-8 based on configuration. + * @param string $str The string to convert + * @param HTMLPurifier_Config $config + * @param HTMLPurifier_Context $context + * @return string + */ + public static function convertToUTF8($str, $config, $context) + { + $encoding = $config->get('Core.Encoding'); + if ($encoding === 'utf-8') { + return $str; + } + static $iconv = null; + if ($iconv === null) { + $iconv = self::iconvAvailable(); + } + if ($iconv && !$config->get('Test.ForceNoIconv')) { + // unaffected by bugs, since UTF-8 support all characters + $str = self::unsafeIconv($encoding, 'utf-8//IGNORE', $str); + if ($str === false) { + // $encoding is not a valid encoding + trigger_error('Invalid encoding ' . $encoding, E_USER_ERROR); + return ''; + } + // If the string is bjorked by Shift_JIS or a similar encoding + // that doesn't support all of ASCII, convert the naughty + // characters to their true byte-wise ASCII/UTF-8 equivalents. + $str = strtr($str, self::testEncodingSupportsASCII($encoding)); + return $str; + } elseif ($encoding === 'iso-8859-1') { + $str = utf8_encode($str); + return $str; + } + $bug = HTMLPurifier_Encoder::testIconvTruncateBug(); + if ($bug == self::ICONV_OK) { + trigger_error('Encoding not supported, please install iconv', E_USER_ERROR); + } else { + trigger_error( + 'You have a buggy version of iconv, see https://bugs.php.net/bug.php?id=48147 ' . + 'and http://sourceware.org/bugzilla/show_bug.cgi?id=13541', + E_USER_ERROR + ); + } + } + + /** + * Converts a string from UTF-8 based on configuration. + * @param string $str The string to convert + * @param HTMLPurifier_Config $config + * @param HTMLPurifier_Context $context + * @return string + * @note Currently, this is a lossy conversion, with unexpressable + * characters being omitted. + */ + public static function convertFromUTF8($str, $config, $context) + { + $encoding = $config->get('Core.Encoding'); + if ($escape = $config->get('Core.EscapeNonASCIICharacters')) { + $str = self::convertToASCIIDumbLossless($str); + } + if ($encoding === 'utf-8') { + return $str; + } + static $iconv = null; + if ($iconv === null) { + $iconv = self::iconvAvailable(); + } + if ($iconv && !$config->get('Test.ForceNoIconv')) { + // Undo our previous fix in convertToUTF8, otherwise iconv will barf + $ascii_fix = self::testEncodingSupportsASCII($encoding); + if (!$escape && !empty($ascii_fix)) { + $clear_fix = array(); + foreach ($ascii_fix as $utf8 => $native) { + $clear_fix[$utf8] = ''; + } + $str = strtr($str, $clear_fix); + } + $str = strtr($str, array_flip($ascii_fix)); + // Normal stuff + $str = self::iconv('utf-8', $encoding . '//IGNORE', $str); + return $str; + } elseif ($encoding === 'iso-8859-1') { + $str = utf8_decode($str); + return $str; + } + trigger_error('Encoding not supported', E_USER_ERROR); + // You might be tempted to assume that the ASCII representation + // might be OK, however, this is *not* universally true over all + // encodings. So we take the conservative route here, rather + // than forcibly turn on %Core.EscapeNonASCIICharacters + } + + /** + * Lossless (character-wise) conversion of HTML to ASCII + * @param string $str UTF-8 string to be converted to ASCII + * @return string ASCII encoded string with non-ASCII character entity-ized + * @warning Adapted from MediaWiki, claiming fair use: this is a common + * algorithm. If you disagree with this license fudgery, + * implement it yourself. + * @note Uses decimal numeric entities since they are best supported. + * @note This is a DUMB function: it has no concept of keeping + * character entities that the projected character encoding + * can allow. We could possibly implement a smart version + * but that would require it to also know which Unicode + * codepoints the charset supported (not an easy task). + * @note Sort of with cleanUTF8() but it assumes that $str is + * well-formed UTF-8 + */ + public static function convertToASCIIDumbLossless($str) + { + $bytesleft = 0; + $result = ''; + $working = 0; + $len = strlen($str); + for ($i = 0; $i < $len; $i++) { + $bytevalue = ord($str[$i]); + if ($bytevalue <= 0x7F) { //0xxx xxxx + $result .= chr($bytevalue); + $bytesleft = 0; + } elseif ($bytevalue <= 0xBF) { //10xx xxxx + $working = $working << 6; + $working += ($bytevalue & 0x3F); + $bytesleft--; + if ($bytesleft <= 0) { + $result .= "&#" . $working . ";"; + } + } elseif ($bytevalue <= 0xDF) { //110x xxxx + $working = $bytevalue & 0x1F; + $bytesleft = 1; + } elseif ($bytevalue <= 0xEF) { //1110 xxxx + $working = $bytevalue & 0x0F; + $bytesleft = 2; + } else { //1111 0xxx + $working = $bytevalue & 0x07; + $bytesleft = 3; + } + } + return $result; + } + + /** No bugs detected in iconv. */ + const ICONV_OK = 0; + + /** Iconv truncates output if converting from UTF-8 to another + * character set with //IGNORE, and a non-encodable character is found */ + const ICONV_TRUNCATES = 1; + + /** Iconv does not support //IGNORE, making it unusable for + * transcoding purposes */ + const ICONV_UNUSABLE = 2; + + /** + * glibc iconv has a known bug where it doesn't handle the magic + * //IGNORE stanza correctly. In particular, rather than ignore + * characters, it will return an EILSEQ after consuming some number + * of characters, and expect you to restart iconv as if it were + * an E2BIG. Old versions of PHP did not respect the errno, and + * returned the fragment, so as a result you would see iconv + * mysteriously truncating output. We can work around this by + * manually chopping our input into segments of about 8000 + * characters, as long as PHP ignores the error code. If PHP starts + * paying attention to the error code, iconv becomes unusable. + * + * @return int Error code indicating severity of bug. + */ + public static function testIconvTruncateBug() + { + static $code = null; + if ($code === null) { + // better not use iconv, otherwise infinite loop! + $r = self::unsafeIconv('utf-8', 'ascii//IGNORE', "\xCE\xB1" . str_repeat('a', 9000)); + if ($r === false) { + $code = self::ICONV_UNUSABLE; + } elseif (($c = strlen($r)) < 9000) { + $code = self::ICONV_TRUNCATES; + } elseif ($c > 9000) { + trigger_error( + 'Your copy of iconv is extremely buggy. Please notify HTML Purifier maintainers: ' . + 'include your iconv version as per phpversion()', + E_USER_ERROR + ); + } else { + $code = self::ICONV_OK; + } + } + return $code; + } + + /** + * This expensive function tests whether or not a given character + * encoding supports ASCII. 7/8-bit encodings like Shift_JIS will + * fail this test, and require special processing. Variable width + * encodings shouldn't ever fail. + * + * @param string $encoding Encoding name to test, as per iconv format + * @param bool $bypass Whether or not to bypass the precompiled arrays. + * @return Array of UTF-8 characters to their corresponding ASCII, + * which can be used to "undo" any overzealous iconv action. + */ + public static function testEncodingSupportsASCII($encoding, $bypass = false) + { + // All calls to iconv here are unsafe, proof by case analysis: + // If ICONV_OK, no difference. + // If ICONV_TRUNCATE, all calls involve one character inputs, + // so bug is not triggered. + // If ICONV_UNUSABLE, this call is irrelevant + static $encodings = array(); + if (!$bypass) { + if (isset($encodings[$encoding])) { + return $encodings[$encoding]; + } + $lenc = strtolower($encoding); + switch ($lenc) { + case 'shift_jis': + return array("\xC2\xA5" => '\\', "\xE2\x80\xBE" => '~'); + case 'johab': + return array("\xE2\x82\xA9" => '\\'); + } + if (strpos($lenc, 'iso-8859-') === 0) { + return array(); + } + } + $ret = array(); + if (self::unsafeIconv('UTF-8', $encoding, 'a') === false) { + return false; + } + for ($i = 0x20; $i <= 0x7E; $i++) { // all printable ASCII chars + $c = chr($i); // UTF-8 char + $r = self::unsafeIconv('UTF-8', "$encoding//IGNORE", $c); // initial conversion + if ($r === '' || + // This line is needed for iconv implementations that do not + // omit characters that do not exist in the target character set + ($r === $c && self::unsafeIconv($encoding, 'UTF-8//IGNORE', $r) !== $c) + ) { + // Reverse engineer: what's the UTF-8 equiv of this byte + // sequence? This assumes that there's no variable width + // encoding that doesn't support ASCII. + $ret[self::unsafeIconv($encoding, 'UTF-8//IGNORE', $c)] = $c; + } + } + $encodings[$encoding] = $ret; + return $ret; + } +} + +// vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/EntityLookup.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/EntityLookup.php new file mode 100644 index 0000000..f12ff13 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/EntityLookup.php @@ -0,0 +1,48 @@ +table = unserialize(file_get_contents($file)); + } + + /** + * Retrieves sole instance of the object. + * @param bool|HTMLPurifier_EntityLookup $prototype Optional prototype of custom lookup table to overload with. + * @return HTMLPurifier_EntityLookup + */ + public static function instance($prototype = false) + { + // no references, since PHP doesn't copy unless modified + static $instance = null; + if ($prototype) { + $instance = $prototype; + } elseif (!$instance) { + $instance = new HTMLPurifier_EntityLookup(); + $instance->setup(); + } + return $instance; + } +} + +// vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/EntityLookup/entities.ser b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/EntityLookup/entities.ser new file mode 100644 index 0000000..e8b0812 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/EntityLookup/entities.ser @@ -0,0 +1 @@ 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\ No newline at end of file diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/EntityParser.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/EntityParser.php new file mode 100644 index 0000000..c372b5a --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/EntityParser.php @@ -0,0 +1,285 @@ +_semiOptionalPrefixRegex = "/&()()()($semi_optional)/"; + + $this->_textEntitiesRegex = + '/&(?:'. + // hex + '[#]x([a-fA-F0-9]+);?|'. + // dec + '[#]0*(\d+);?|'. + // string (mandatory semicolon) + // NB: order matters: match semicolon preferentially + '([A-Za-z_:][A-Za-z0-9.\-_:]*);|'. + // string (optional semicolon) + "($semi_optional)". + ')/'; + + $this->_attrEntitiesRegex = + '/&(?:'. + // hex + '[#]x([a-fA-F0-9]+);?|'. + // dec + '[#]0*(\d+);?|'. + // string (mandatory semicolon) + // NB: order matters: match semicolon preferentially + '([A-Za-z_:][A-Za-z0-9.\-_:]*);|'. + // string (optional semicolon) + // don't match if trailing is equals or alphanumeric (URL + // like) + "($semi_optional)(?![=;A-Za-z0-9])". + ')/'; + + } + + /** + * Substitute entities with the parsed equivalents. Use this on + * textual data in an HTML document (as opposed to attributes.) + * + * @param string $string String to have entities parsed. + * @return string Parsed string. + */ + public function substituteTextEntities($string) + { + return preg_replace_callback( + $this->_textEntitiesRegex, + array($this, 'entityCallback'), + $string + ); + } + + /** + * Substitute entities with the parsed equivalents. Use this on + * attribute contents in documents. + * + * @param string $string String to have entities parsed. + * @return string Parsed string. + */ + public function substituteAttrEntities($string) + { + return preg_replace_callback( + $this->_attrEntitiesRegex, + array($this, 'entityCallback'), + $string + ); + } + + /** + * Callback function for substituteNonSpecialEntities() that does the work. + * + * @param array $matches PCRE matches array, with 0 the entire match, and + * either index 1, 2 or 3 set with a hex value, dec value, + * or string (respectively). + * @return string Replacement string. + */ + + protected function entityCallback($matches) + { + $entity = $matches[0]; + $hex_part = @$matches[1]; + $dec_part = @$matches[2]; + $named_part = empty($matches[3]) ? @$matches[4] : $matches[3]; + if ($hex_part !== NULL && $hex_part !== "") { + return HTMLPurifier_Encoder::unichr(hexdec($hex_part)); + } elseif ($dec_part !== NULL && $dec_part !== "") { + return HTMLPurifier_Encoder::unichr((int) $dec_part); + } else { + if (!$this->_entity_lookup) { + $this->_entity_lookup = HTMLPurifier_EntityLookup::instance(); + } + if (isset($this->_entity_lookup->table[$named_part])) { + return $this->_entity_lookup->table[$named_part]; + } else { + // exact match didn't match anything, so test if + // any of the semicolon optional match the prefix. + // Test that this is an EXACT match is important to + // prevent infinite loop + if (!empty($matches[3])) { + return preg_replace_callback( + $this->_semiOptionalPrefixRegex, + array($this, 'entityCallback'), + $entity + ); + } + return $entity; + } + } + } + + // LEGACY CODE BELOW + + /** + * Callback regex string for parsing entities. + * @type string + */ + protected $_substituteEntitiesRegex = + '/&(?:[#]x([a-fA-F0-9]+)|[#]0*(\d+)|([A-Za-z_:][A-Za-z0-9.\-_:]*));?/'; + // 1. hex 2. dec 3. string (XML style) + + /** + * Decimal to parsed string conversion table for special entities. + * @type array + */ + protected $_special_dec2str = + array( + 34 => '"', + 38 => '&', + 39 => "'", + 60 => '<', + 62 => '>' + ); + + /** + * Stripped entity names to decimal conversion table for special entities. + * @type array + */ + protected $_special_ent2dec = + array( + 'quot' => 34, + 'amp' => 38, + 'lt' => 60, + 'gt' => 62 + ); + + /** + * Substitutes non-special entities with their parsed equivalents. Since + * running this whenever you have parsed character is t3h 5uck, we run + * it before everything else. + * + * @param string $string String to have non-special entities parsed. + * @return string Parsed string. + */ + public function substituteNonSpecialEntities($string) + { + // it will try to detect missing semicolons, but don't rely on it + return preg_replace_callback( + $this->_substituteEntitiesRegex, + array($this, 'nonSpecialEntityCallback'), + $string + ); + } + + /** + * Callback function for substituteNonSpecialEntities() that does the work. + * + * @param array $matches PCRE matches array, with 0 the entire match, and + * either index 1, 2 or 3 set with a hex value, dec value, + * or string (respectively). + * @return string Replacement string. + */ + + protected function nonSpecialEntityCallback($matches) + { + // replaces all but big five + $entity = $matches[0]; + $is_num = (@$matches[0][1] === '#'); + if ($is_num) { + $is_hex = (@$entity[2] === 'x'); + $code = $is_hex ? hexdec($matches[1]) : (int) $matches[2]; + // abort for special characters + if (isset($this->_special_dec2str[$code])) { + return $entity; + } + return HTMLPurifier_Encoder::unichr($code); + } else { + if (isset($this->_special_ent2dec[$matches[3]])) { + return $entity; + } + if (!$this->_entity_lookup) { + $this->_entity_lookup = HTMLPurifier_EntityLookup::instance(); + } + if (isset($this->_entity_lookup->table[$matches[3]])) { + return $this->_entity_lookup->table[$matches[3]]; + } else { + return $entity; + } + } + } + + /** + * Substitutes only special entities with their parsed equivalents. + * + * @notice We try to avoid calling this function because otherwise, it + * would have to be called a lot (for every parsed section). + * + * @param string $string String to have non-special entities parsed. + * @return string Parsed string. + */ + public function substituteSpecialEntities($string) + { + return preg_replace_callback( + $this->_substituteEntitiesRegex, + array($this, 'specialEntityCallback'), + $string + ); + } + + /** + * Callback function for substituteSpecialEntities() that does the work. + * + * This callback has same syntax as nonSpecialEntityCallback(). + * + * @param array $matches PCRE-style matches array, with 0 the entire match, and + * either index 1, 2 or 3 set with a hex value, dec value, + * or string (respectively). + * @return string Replacement string. + */ + protected function specialEntityCallback($matches) + { + $entity = $matches[0]; + $is_num = (@$matches[0][1] === '#'); + if ($is_num) { + $is_hex = (@$entity[2] === 'x'); + $int = $is_hex ? hexdec($matches[1]) : (int) $matches[2]; + return isset($this->_special_dec2str[$int]) ? + $this->_special_dec2str[$int] : + $entity; + } else { + return isset($this->_special_ent2dec[$matches[3]]) ? + $this->_special_dec2str[$this->_special_ent2dec[$matches[3]]] : + $entity; + } + } +} + +// vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ErrorCollector.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ErrorCollector.php new file mode 100644 index 0000000..d47e3f2 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ErrorCollector.php @@ -0,0 +1,244 @@ +locale =& $context->get('Locale'); + $this->context = $context; + $this->_current =& $this->_stacks[0]; + $this->errors =& $this->_stacks[0]; + } + + /** + * Sends an error message to the collector for later use + * @param int $severity Error severity, PHP error style (don't use E_USER_) + * @param string $msg Error message text + */ + public function send($severity, $msg) + { + $args = array(); + if (func_num_args() > 2) { + $args = func_get_args(); + array_shift($args); + unset($args[0]); + } + + $token = $this->context->get('CurrentToken', true); + $line = $token ? $token->line : $this->context->get('CurrentLine', true); + $col = $token ? $token->col : $this->context->get('CurrentCol', true); + $attr = $this->context->get('CurrentAttr', true); + + // perform special substitutions, also add custom parameters + $subst = array(); + if (!is_null($token)) { + $args['CurrentToken'] = $token; + } + if (!is_null($attr)) { + $subst['$CurrentAttr.Name'] = $attr; + if (isset($token->attr[$attr])) { + $subst['$CurrentAttr.Value'] = $token->attr[$attr]; + } + } + + if (empty($args)) { + $msg = $this->locale->getMessage($msg); + } else { + $msg = $this->locale->formatMessage($msg, $args); + } + + if (!empty($subst)) { + $msg = strtr($msg, $subst); + } + + // (numerically indexed) + $error = array( + self::LINENO => $line, + self::SEVERITY => $severity, + self::MESSAGE => $msg, + self::CHILDREN => array() + ); + $this->_current[] = $error; + + // NEW CODE BELOW ... + // Top-level errors are either: + // TOKEN type, if $value is set appropriately, or + // "syntax" type, if $value is null + $new_struct = new HTMLPurifier_ErrorStruct(); + $new_struct->type = HTMLPurifier_ErrorStruct::TOKEN; + if ($token) { + $new_struct->value = clone $token; + } + if (is_int($line) && is_int($col)) { + if (isset($this->lines[$line][$col])) { + $struct = $this->lines[$line][$col]; + } else { + $struct = $this->lines[$line][$col] = $new_struct; + } + // These ksorts may present a performance problem + ksort($this->lines[$line], SORT_NUMERIC); + } else { + if (isset($this->lines[-1])) { + $struct = $this->lines[-1]; + } else { + $struct = $this->lines[-1] = $new_struct; + } + } + ksort($this->lines, SORT_NUMERIC); + + // Now, check if we need to operate on a lower structure + if (!empty($attr)) { + $struct = $struct->getChild(HTMLPurifier_ErrorStruct::ATTR, $attr); + if (!$struct->value) { + $struct->value = array($attr, 'PUT VALUE HERE'); + } + } + if (!empty($cssprop)) { + $struct = $struct->getChild(HTMLPurifier_ErrorStruct::CSSPROP, $cssprop); + if (!$struct->value) { + // if we tokenize CSS this might be a little more difficult to do + $struct->value = array($cssprop, 'PUT VALUE HERE'); + } + } + + // Ok, structs are all setup, now time to register the error + $struct->addError($severity, $msg); + } + + /** + * Retrieves raw error data for custom formatter to use + */ + public function getRaw() + { + return $this->errors; + } + + /** + * Default HTML formatting implementation for error messages + * @param HTMLPurifier_Config $config Configuration, vital for HTML output nature + * @param array $errors Errors array to display; used for recursion. + * @return string + */ + public function getHTMLFormatted($config, $errors = null) + { + $ret = array(); + + $this->generator = new HTMLPurifier_Generator($config, $this->context); + if ($errors === null) { + $errors = $this->errors; + } + + // 'At line' message needs to be removed + + // generation code for new structure goes here. It needs to be recursive. + foreach ($this->lines as $line => $col_array) { + if ($line == -1) { + continue; + } + foreach ($col_array as $col => $struct) { + $this->_renderStruct($ret, $struct, $line, $col); + } + } + if (isset($this->lines[-1])) { + $this->_renderStruct($ret, $this->lines[-1]); + } + + if (empty($errors)) { + return '

        ' . $this->locale->getMessage('ErrorCollector: No errors') . '

        '; + } else { + return '
        • ' . implode('
        • ', $ret) . '
        '; + } + + } + + private function _renderStruct(&$ret, $struct, $line = null, $col = null) + { + $stack = array($struct); + $context_stack = array(array()); + while ($current = array_pop($stack)) { + $context = array_pop($context_stack); + foreach ($current->errors as $error) { + list($severity, $msg) = $error; + $string = ''; + $string .= '
        '; + // W3C uses an icon to indicate the severity of the error. + $error = $this->locale->getErrorName($severity); + $string .= "$error "; + if (!is_null($line) && !is_null($col)) { + $string .= "Line $line, Column $col: "; + } else { + $string .= 'End of Document: '; + } + $string .= '' . $this->generator->escape($msg) . ' '; + $string .= '
        '; + // Here, have a marker for the character on the column appropriate. + // Be sure to clip extremely long lines. + //$string .= '
        ';
+                //$string .= '';
+                //$string .= '
        '; + $ret[] = $string; + } + foreach ($current->children as $array) { + $context[] = $current; + $stack = array_merge($stack, array_reverse($array, true)); + for ($i = count($array); $i > 0; $i--) { + $context_stack[] = $context; + } + } + } + } +} + +// vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ErrorStruct.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ErrorStruct.php new file mode 100644 index 0000000..cf869d3 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ErrorStruct.php @@ -0,0 +1,74 @@ +children[$type][$id])) { + $this->children[$type][$id] = new HTMLPurifier_ErrorStruct(); + $this->children[$type][$id]->type = $type; + } + return $this->children[$type][$id]; + } + + /** + * @param int $severity + * @param string $message + */ + public function addError($severity, $message) + { + $this->errors[] = array($severity, $message); + } +} + +// vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Exception.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Exception.php new file mode 100644 index 0000000..be85b4c --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Exception.php @@ -0,0 +1,12 @@ +preFilter, + * 2->preFilter, 3->preFilter, purify, 3->postFilter, 2->postFilter, + * 1->postFilter. + * + * @note Methods are not declared abstract as it is perfectly legitimate + * for an implementation not to want anything to happen on a step + */ + +class HTMLPurifier_Filter +{ + + /** + * Name of the filter for identification purposes. + * @type string + */ + public $name; + + /** + * Pre-processor function, handles HTML before HTML Purifier + * @param string $html + * @param HTMLPurifier_Config $config + * @param HTMLPurifier_Context $context + * @return string + */ + public function preFilter($html, $config, $context) + { + return $html; + } + + /** + * Post-processor function, handles HTML after HTML Purifier + * @param string $html + * @param HTMLPurifier_Config $config + * @param HTMLPurifier_Context $context + * @return string + */ + public function postFilter($html, $config, $context) + { + return $html; + } +} + +// vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Filter/ExtractStyleBlocks.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Filter/ExtractStyleBlocks.php new file mode 100644 index 0000000..66f70b0 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Filter/ExtractStyleBlocks.php @@ -0,0 +1,341 @@ + blocks from input HTML, cleans them up + * using CSSTidy, and then places them in $purifier->context->get('StyleBlocks') + * so they can be used elsewhere in the document. + * + * @note + * See tests/HTMLPurifier/Filter/ExtractStyleBlocksTest.php for + * sample usage. + * + * @note + * This filter can also be used on stylesheets not included in the + * document--something purists would probably prefer. Just directly + * call HTMLPurifier_Filter_ExtractStyleBlocks->cleanCSS() + */ +class HTMLPurifier_Filter_ExtractStyleBlocks extends HTMLPurifier_Filter +{ + /** + * @type string + */ + public $name = 'ExtractStyleBlocks'; + + /** + * @type array + */ + private $_styleMatches = array(); + + /** + * @type csstidy + */ + private $_tidy; + + /** + * @type HTMLPurifier_AttrDef_HTML_ID + */ + private $_id_attrdef; + + /** + * @type HTMLPurifier_AttrDef_CSS_Ident + */ + private $_class_attrdef; + + /** + * @type HTMLPurifier_AttrDef_Enum + */ + private $_enum_attrdef; + + public function __construct() + { + $this->_tidy = new csstidy(); + $this->_tidy->set_cfg('lowercase_s', false); + $this->_id_attrdef = new HTMLPurifier_AttrDef_HTML_ID(true); + $this->_class_attrdef = new HTMLPurifier_AttrDef_CSS_Ident(); + $this->_enum_attrdef = new HTMLPurifier_AttrDef_Enum( + array( + 'first-child', + 'link', + 'visited', + 'active', + 'hover', + 'focus' + ) + ); + } + + /** + * Save the contents of CSS blocks to style matches + * @param array $matches preg_replace style $matches array + */ + protected function styleCallback($matches) + { + $this->_styleMatches[] = $matches[1]; + } + + /** + * Removes inline + // we must not grab foo in a font-family prop). + if ($config->get('Filter.ExtractStyleBlocks.Escaping')) { + $css = str_replace( + array('<', '>', '&'), + array('\3C ', '\3E ', '\26 '), + $css + ); + } + return $css; + } +} + +// vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Filter/YouTube.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Filter/YouTube.php new file mode 100644 index 0000000..276d836 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Filter/YouTube.php @@ -0,0 +1,65 @@ +]+>.+?' . + '(?:http:)?//www.youtube.com/((?:v|cp)/[A-Za-z0-9\-_=]+).+?#s'; + $pre_replace = '\1'; + return preg_replace($pre_regex, $pre_replace, $html); + } + + /** + * @param string $html + * @param HTMLPurifier_Config $config + * @param HTMLPurifier_Context $context + * @return string + */ + public function postFilter($html, $config, $context) + { + $post_regex = '#((?:v|cp)/[A-Za-z0-9\-_=]+)#'; + return preg_replace_callback($post_regex, array($this, 'postFilterCallback'), $html); + } + + /** + * @param $url + * @return string + */ + protected function armorUrl($url) + { + return str_replace('--', '--', $url); + } + + /** + * @param array $matches + * @return string + */ + protected function postFilterCallback($matches) + { + $url = $this->armorUrl($matches[1]); + return '' . + '' . + '' . + ''; + } +} + +// vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Generator.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Generator.php new file mode 100644 index 0000000..eb56e2d --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Generator.php @@ -0,0 +1,286 @@ + tags. + * @type bool + */ + private $_scriptFix = false; + + /** + * Cache of HTMLDefinition during HTML output to determine whether or + * not attributes should be minimized. + * @type HTMLPurifier_HTMLDefinition + */ + private $_def; + + /** + * Cache of %Output.SortAttr. + * @type bool + */ + private $_sortAttr; + + /** + * Cache of %Output.FlashCompat. + * @type bool + */ + private $_flashCompat; + + /** + * Cache of %Output.FixInnerHTML. + * @type bool + */ + private $_innerHTMLFix; + + /** + * Stack for keeping track of object information when outputting IE + * compatibility code. + * @type array + */ + private $_flashStack = array(); + + /** + * Configuration for the generator + * @type HTMLPurifier_Config + */ + protected $config; + + /** + * @param HTMLPurifier_Config $config + * @param HTMLPurifier_Context $context + */ + public function __construct($config, $context) + { + $this->config = $config; + $this->_scriptFix = $config->get('Output.CommentScriptContents'); + $this->_innerHTMLFix = $config->get('Output.FixInnerHTML'); + $this->_sortAttr = $config->get('Output.SortAttr'); + $this->_flashCompat = $config->get('Output.FlashCompat'); + $this->_def = $config->getHTMLDefinition(); + $this->_xhtml = $this->_def->doctype->xml; + } + + /** + * Generates HTML from an array of tokens. + * @param HTMLPurifier_Token[] $tokens Array of HTMLPurifier_Token + * @return string Generated HTML + */ + public function generateFromTokens($tokens) + { + if (!$tokens) { + return ''; + } + + // Basic algorithm + $html = ''; + for ($i = 0, $size = count($tokens); $i < $size; $i++) { + if ($this->_scriptFix && $tokens[$i]->name === 'script' + && $i + 2 < $size && $tokens[$i+2] instanceof HTMLPurifier_Token_End) { + // script special case + // the contents of the script block must be ONE token + // for this to work. + $html .= $this->generateFromToken($tokens[$i++]); + $html .= $this->generateScriptFromToken($tokens[$i++]); + } + $html .= $this->generateFromToken($tokens[$i]); + } + + // Tidy cleanup + if (extension_loaded('tidy') && $this->config->get('Output.TidyFormat')) { + $tidy = new Tidy; + $tidy->parseString( + $html, + array( + 'indent'=> true, + 'output-xhtml' => $this->_xhtml, + 'show-body-only' => true, + 'indent-spaces' => 2, + 'wrap' => 68, + ), + 'utf8' + ); + $tidy->cleanRepair(); + $html = (string) $tidy; // explicit cast necessary + } + + // Normalize newlines to system defined value + if ($this->config->get('Core.NormalizeNewlines')) { + $nl = $this->config->get('Output.Newline'); + if ($nl === null) { + $nl = PHP_EOL; + } + if ($nl !== "\n") { + $html = str_replace("\n", $nl, $html); + } + } + return $html; + } + + /** + * Generates HTML from a single token. + * @param HTMLPurifier_Token $token HTMLPurifier_Token object. + * @return string Generated HTML + */ + public function generateFromToken($token) + { + if (!$token instanceof HTMLPurifier_Token) { + trigger_error('Cannot generate HTML from non-HTMLPurifier_Token object', E_USER_WARNING); + return ''; + + } elseif ($token instanceof HTMLPurifier_Token_Start) { + $attr = $this->generateAttributes($token->attr, $token->name); + if ($this->_flashCompat) { + if ($token->name == "object") { + $flash = new stdClass(); + $flash->attr = $token->attr; + $flash->param = array(); + $this->_flashStack[] = $flash; + } + } + return '<' . $token->name . ($attr ? ' ' : '') . $attr . '>'; + + } elseif ($token instanceof HTMLPurifier_Token_End) { + $_extra = ''; + if ($this->_flashCompat) { + if ($token->name == "object" && !empty($this->_flashStack)) { + // doesn't do anything for now + } + } + return $_extra . 'name . '>'; + + } elseif ($token instanceof HTMLPurifier_Token_Empty) { + if ($this->_flashCompat && $token->name == "param" && !empty($this->_flashStack)) { + $this->_flashStack[count($this->_flashStack)-1]->param[$token->attr['name']] = $token->attr['value']; + } + $attr = $this->generateAttributes($token->attr, $token->name); + return '<' . $token->name . ($attr ? ' ' : '') . $attr . + ( $this->_xhtml ? ' /': '' ) //
        v.
        + . '>'; + + } elseif ($token instanceof HTMLPurifier_Token_Text) { + return $this->escape($token->data, ENT_NOQUOTES); + + } elseif ($token instanceof HTMLPurifier_Token_Comment) { + return ''; + } else { + return ''; + + } + } + + /** + * Special case processor for the contents of script tags + * @param HTMLPurifier_Token $token HTMLPurifier_Token object. + * @return string + * @warning This runs into problems if there's already a literal + * --> somewhere inside the script contents. + */ + public function generateScriptFromToken($token) + { + if (!$token instanceof HTMLPurifier_Token_Text) { + return $this->generateFromToken($token); + } + // Thanks + $data = preg_replace('#//\s*$#', '', $token->data); + return ''; + } + + /** + * Generates attribute declarations from attribute array. + * @note This does not include the leading or trailing space. + * @param array $assoc_array_of_attributes Attribute array + * @param string $element Name of element attributes are for, used to check + * attribute minimization. + * @return string Generated HTML fragment for insertion. + */ + public function generateAttributes($assoc_array_of_attributes, $element = '') + { + $html = ''; + if ($this->_sortAttr) { + ksort($assoc_array_of_attributes); + } + foreach ($assoc_array_of_attributes as $key => $value) { + if (!$this->_xhtml) { + // Remove namespaced attributes + if (strpos($key, ':') !== false) { + continue; + } + // Check if we should minimize the attribute: val="val" -> val + if ($element && !empty($this->_def->info[$element]->attr[$key]->minimized)) { + $html .= $key . ' '; + continue; + } + } + // Workaround for Internet Explorer innerHTML bug. + // Essentially, Internet Explorer, when calculating + // innerHTML, omits quotes if there are no instances of + // angled brackets, quotes or spaces. However, when parsing + // HTML (for example, when you assign to innerHTML), it + // treats backticks as quotes. Thus, + // `` + // becomes + // `` + // becomes + // + // Fortunately, all we need to do is trigger an appropriate + // quoting style, which we do by adding an extra space. + // This also is consistent with the W3C spec, which states + // that user agents may ignore leading or trailing + // whitespace (in fact, most don't, at least for attributes + // like alt, but an extra space at the end is barely + // noticeable). Still, we have a configuration knob for + // this, since this transformation is not necesary if you + // don't process user input with innerHTML or you don't plan + // on supporting Internet Explorer. + if ($this->_innerHTMLFix) { + if (strpos($value, '`') !== false) { + // check if correct quoting style would not already be + // triggered + if (strcspn($value, '"\' <>') === strlen($value)) { + // protect! + $value .= ' '; + } + } + } + $html .= $key.'="'.$this->escape($value).'" '; + } + return rtrim($html); + } + + /** + * Escapes raw text data. + * @todo This really ought to be protected, but until we have a facility + * for properly generating HTML here w/o using tokens, it stays + * public. + * @param string $string String data to escape for HTML. + * @param int $quote Quoting style, like htmlspecialchars. ENT_NOQUOTES is + * permissible for non-attribute output. + * @return string escaped data. + */ + public function escape($string, $quote = null) + { + // Workaround for APC bug on Mac Leopard reported by sidepodcast + // http://htmlpurifier.org/phorum/read.php?3,4823,4846 + if ($quote === null) { + $quote = ENT_COMPAT; + } + return htmlspecialchars($string, $quote, 'UTF-8'); + } +} + +// vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLDefinition.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLDefinition.php new file mode 100644 index 0000000..9b7b334 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLDefinition.php @@ -0,0 +1,493 @@ +getAnonymousModule(); + if (!isset($module->info[$element_name])) { + $element = $module->addBlankElement($element_name); + } else { + $element = $module->info[$element_name]; + } + $element->attr[$attr_name] = $def; + } + + /** + * Adds a custom element to your HTML definition + * @see HTMLPurifier_HTMLModule::addElement() for detailed + * parameter and return value descriptions. + */ + public function addElement($element_name, $type, $contents, $attr_collections, $attributes = array()) + { + $module = $this->getAnonymousModule(); + // assume that if the user is calling this, the element + // is safe. This may not be a good idea + $element = $module->addElement($element_name, $type, $contents, $attr_collections, $attributes); + return $element; + } + + /** + * Adds a blank element to your HTML definition, for overriding + * existing behavior + * @param string $element_name + * @return HTMLPurifier_ElementDef + * @see HTMLPurifier_HTMLModule::addBlankElement() for detailed + * parameter and return value descriptions. + */ + public function addBlankElement($element_name) + { + $module = $this->getAnonymousModule(); + $element = $module->addBlankElement($element_name); + return $element; + } + + /** + * Retrieves a reference to the anonymous module, so you can + * bust out advanced features without having to make your own + * module. + * @return HTMLPurifier_HTMLModule + */ + public function getAnonymousModule() + { + if (!$this->_anonModule) { + $this->_anonModule = new HTMLPurifier_HTMLModule(); + $this->_anonModule->name = 'Anonymous'; + } + return $this->_anonModule; + } + + private $_anonModule = null; + + // PUBLIC BUT INTERNAL VARIABLES -------------------------------------- + + /** + * @type string + */ + public $type = 'HTML'; + + /** + * @type HTMLPurifier_HTMLModuleManager + */ + public $manager; + + /** + * Performs low-cost, preliminary initialization. + */ + public function __construct() + { + $this->manager = new HTMLPurifier_HTMLModuleManager(); + } + + /** + * @param HTMLPurifier_Config $config + */ + protected function doSetup($config) + { + $this->processModules($config); + $this->setupConfigStuff($config); + unset($this->manager); + + // cleanup some of the element definitions + foreach ($this->info as $k => $v) { + unset($this->info[$k]->content_model); + unset($this->info[$k]->content_model_type); + } + } + + /** + * Extract out the information from the manager + * @param HTMLPurifier_Config $config + */ + protected function processModules($config) + { + if ($this->_anonModule) { + // for user specific changes + // this is late-loaded so we don't have to deal with PHP4 + // reference wonky-ness + $this->manager->addModule($this->_anonModule); + unset($this->_anonModule); + } + + $this->manager->setup($config); + $this->doctype = $this->manager->doctype; + + foreach ($this->manager->modules as $module) { + foreach ($module->info_tag_transform as $k => $v) { + if ($v === false) { + unset($this->info_tag_transform[$k]); + } else { + $this->info_tag_transform[$k] = $v; + } + } + foreach ($module->info_attr_transform_pre as $k => $v) { + if ($v === false) { + unset($this->info_attr_transform_pre[$k]); + } else { + $this->info_attr_transform_pre[$k] = $v; + } + } + foreach ($module->info_attr_transform_post as $k => $v) { + if ($v === false) { + unset($this->info_attr_transform_post[$k]); + } else { + $this->info_attr_transform_post[$k] = $v; + } + } + foreach ($module->info_injector as $k => $v) { + if ($v === false) { + unset($this->info_injector[$k]); + } else { + $this->info_injector[$k] = $v; + } + } + } + $this->info = $this->manager->getElements(); + $this->info_content_sets = $this->manager->contentSets->lookup; + } + + /** + * Sets up stuff based on config. We need a better way of doing this. + * @param HTMLPurifier_Config $config + */ + protected function setupConfigStuff($config) + { + $block_wrapper = $config->get('HTML.BlockWrapper'); + if (isset($this->info_content_sets['Block'][$block_wrapper])) { + $this->info_block_wrapper = $block_wrapper; + } else { + trigger_error( + 'Cannot use non-block element as block wrapper', + E_USER_ERROR + ); + } + + $parent = $config->get('HTML.Parent'); + $def = $this->manager->getElement($parent, true); + if ($def) { + $this->info_parent = $parent; + $this->info_parent_def = $def; + } else { + trigger_error( + 'Cannot use unrecognized element as parent', + E_USER_ERROR + ); + $this->info_parent_def = $this->manager->getElement($this->info_parent, true); + } + + // support template text + $support = "(for information on implementing this, see the support forums) "; + + // setup allowed elements ----------------------------------------- + + $allowed_elements = $config->get('HTML.AllowedElements'); + $allowed_attributes = $config->get('HTML.AllowedAttributes'); // retrieve early + + if (!is_array($allowed_elements) && !is_array($allowed_attributes)) { + $allowed = $config->get('HTML.Allowed'); + if (is_string($allowed)) { + list($allowed_elements, $allowed_attributes) = $this->parseTinyMCEAllowedList($allowed); + } + } + + if (is_array($allowed_elements)) { + foreach ($this->info as $name => $d) { + if (!isset($allowed_elements[$name])) { + unset($this->info[$name]); + } + unset($allowed_elements[$name]); + } + // emit errors + foreach ($allowed_elements as $element => $d) { + $element = htmlspecialchars($element); // PHP doesn't escape errors, be careful! + trigger_error("Element '$element' is not supported $support", E_USER_WARNING); + } + } + + // setup allowed attributes --------------------------------------- + + $allowed_attributes_mutable = $allowed_attributes; // by copy! + if (is_array($allowed_attributes)) { + // This actually doesn't do anything, since we went away from + // global attributes. It's possible that userland code uses + // it, but HTMLModuleManager doesn't! + foreach ($this->info_global_attr as $attr => $x) { + $keys = array($attr, "*@$attr", "*.$attr"); + $delete = true; + foreach ($keys as $key) { + if ($delete && isset($allowed_attributes[$key])) { + $delete = false; + } + if (isset($allowed_attributes_mutable[$key])) { + unset($allowed_attributes_mutable[$key]); + } + } + if ($delete) { + unset($this->info_global_attr[$attr]); + } + } + + foreach ($this->info as $tag => $info) { + foreach ($info->attr as $attr => $x) { + $keys = array("$tag@$attr", $attr, "*@$attr", "$tag.$attr", "*.$attr"); + $delete = true; + foreach ($keys as $key) { + if ($delete && isset($allowed_attributes[$key])) { + $delete = false; + } + if (isset($allowed_attributes_mutable[$key])) { + unset($allowed_attributes_mutable[$key]); + } + } + if ($delete) { + if ($this->info[$tag]->attr[$attr]->required) { + trigger_error( + "Required attribute '$attr' in element '$tag' " . + "was not allowed, which means '$tag' will not be allowed either", + E_USER_WARNING + ); + } + unset($this->info[$tag]->attr[$attr]); + } + } + } + // emit errors + foreach ($allowed_attributes_mutable as $elattr => $d) { + $bits = preg_split('/[.@]/', $elattr, 2); + $c = count($bits); + switch ($c) { + case 2: + if ($bits[0] !== '*') { + $element = htmlspecialchars($bits[0]); + $attribute = htmlspecialchars($bits[1]); + if (!isset($this->info[$element])) { + trigger_error( + "Cannot allow attribute '$attribute' if element " . + "'$element' is not allowed/supported $support" + ); + } else { + trigger_error( + "Attribute '$attribute' in element '$element' not supported $support", + E_USER_WARNING + ); + } + break; + } + // otherwise fall through + case 1: + $attribute = htmlspecialchars($bits[0]); + trigger_error( + "Global attribute '$attribute' is not ". + "supported in any elements $support", + E_USER_WARNING + ); + break; + } + } + } + + // setup forbidden elements --------------------------------------- + + $forbidden_elements = $config->get('HTML.ForbiddenElements'); + $forbidden_attributes = $config->get('HTML.ForbiddenAttributes'); + + foreach ($this->info as $tag => $info) { + if (isset($forbidden_elements[$tag])) { + unset($this->info[$tag]); + continue; + } + foreach ($info->attr as $attr => $x) { + if (isset($forbidden_attributes["$tag@$attr"]) || + isset($forbidden_attributes["*@$attr"]) || + isset($forbidden_attributes[$attr]) + ) { + unset($this->info[$tag]->attr[$attr]); + continue; + } elseif (isset($forbidden_attributes["$tag.$attr"])) { // this segment might get removed eventually + // $tag.$attr are not user supplied, so no worries! + trigger_error( + "Error with $tag.$attr: tag.attr syntax not supported for " . + "HTML.ForbiddenAttributes; use tag@attr instead", + E_USER_WARNING + ); + } + } + } + foreach ($forbidden_attributes as $key => $v) { + if (strlen($key) < 2) { + continue; + } + if ($key[0] != '*') { + continue; + } + if ($key[1] == '.') { + trigger_error( + "Error with $key: *.attr syntax not supported for HTML.ForbiddenAttributes; use attr instead", + E_USER_WARNING + ); + } + } + + // setup injectors ----------------------------------------------------- + foreach ($this->info_injector as $i => $injector) { + if ($injector->checkNeeded($config) !== false) { + // remove injector that does not have it's required + // elements/attributes present, and is thus not needed. + unset($this->info_injector[$i]); + } + } + } + + /** + * Parses a TinyMCE-flavored Allowed Elements and Attributes list into + * separate lists for processing. Format is element[attr1|attr2],element2... + * @warning Although it's largely drawn from TinyMCE's implementation, + * it is different, and you'll probably have to modify your lists + * @param array $list String list to parse + * @return array + * @todo Give this its own class, probably static interface + */ + public function parseTinyMCEAllowedList($list) + { + $list = str_replace(array(' ', "\t"), '', $list); + + $elements = array(); + $attributes = array(); + + $chunks = preg_split('/(,|[\n\r]+)/', $list); + foreach ($chunks as $chunk) { + if (empty($chunk)) { + continue; + } + // remove TinyMCE element control characters + if (!strpos($chunk, '[')) { + $element = $chunk; + $attr = false; + } else { + list($element, $attr) = explode('[', $chunk); + } + if ($element !== '*') { + $elements[$element] = true; + } + if (!$attr) { + continue; + } + $attr = substr($attr, 0, strlen($attr) - 1); // remove trailing ] + $attr = explode('|', $attr); + foreach ($attr as $key) { + $attributes["$element.$key"] = true; + } + } + return array($elements, $attributes); + } +} + +// vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule.php new file mode 100644 index 0000000..bb3a923 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule.php @@ -0,0 +1,284 @@ +info, since the object's data is only info, + * with extra behavior associated with it. + * @type array + */ + public $attr_collections = array(); + + /** + * Associative array of deprecated tag name to HTMLPurifier_TagTransform. + * @type array + */ + public $info_tag_transform = array(); + + /** + * List of HTMLPurifier_AttrTransform to be performed before validation. + * @type array + */ + public $info_attr_transform_pre = array(); + + /** + * List of HTMLPurifier_AttrTransform to be performed after validation. + * @type array + */ + public $info_attr_transform_post = array(); + + /** + * List of HTMLPurifier_Injector to be performed during well-formedness fixing. + * An injector will only be invoked if all of it's pre-requisites are met; + * if an injector fails setup, there will be no error; it will simply be + * silently disabled. + * @type array + */ + public $info_injector = array(); + + /** + * Boolean flag that indicates whether or not getChildDef is implemented. + * For optimization reasons: may save a call to a function. Be sure + * to set it if you do implement getChildDef(), otherwise it will have + * no effect! + * @type bool + */ + public $defines_child_def = false; + + /** + * Boolean flag whether or not this module is safe. If it is not safe, all + * of its members are unsafe. Modules are safe by default (this might be + * slightly dangerous, but it doesn't make much sense to force HTML Purifier, + * which is based off of safe HTML, to explicitly say, "This is safe," even + * though there are modules which are "unsafe") + * + * @type bool + * @note Previously, safety could be applied at an element level granularity. + * We've removed this ability, so in order to add "unsafe" elements + * or attributes, a dedicated module with this property set to false + * must be used. + */ + public $safe = true; + + /** + * Retrieves a proper HTMLPurifier_ChildDef subclass based on + * content_model and content_model_type member variables of + * the HTMLPurifier_ElementDef class. There is a similar function + * in HTMLPurifier_HTMLDefinition. + * @param HTMLPurifier_ElementDef $def + * @return HTMLPurifier_ChildDef subclass + */ + public function getChildDef($def) + { + return false; + } + + // -- Convenience ----------------------------------------------------- + + /** + * Convenience function that sets up a new element + * @param string $element Name of element to add + * @param string|bool $type What content set should element be registered to? + * Set as false to skip this step. + * @param string $contents Allowed children in form of: + * "$content_model_type: $content_model" + * @param array $attr_includes What attribute collections to register to + * element? + * @param array $attr What unique attributes does the element define? + * @see HTMLPurifier_ElementDef:: for in-depth descriptions of these parameters. + * @return HTMLPurifier_ElementDef Created element definition object, so you + * can set advanced parameters + */ + public function addElement($element, $type, $contents, $attr_includes = array(), $attr = array()) + { + $this->elements[] = $element; + // parse content_model + list($content_model_type, $content_model) = $this->parseContents($contents); + // merge in attribute inclusions + $this->mergeInAttrIncludes($attr, $attr_includes); + // add element to content sets + if ($type) { + $this->addElementToContentSet($element, $type); + } + // create element + $this->info[$element] = HTMLPurifier_ElementDef::create( + $content_model, + $content_model_type, + $attr + ); + // literal object $contents means direct child manipulation + if (!is_string($contents)) { + $this->info[$element]->child = $contents; + } + return $this->info[$element]; + } + + /** + * Convenience function that creates a totally blank, non-standalone + * element. + * @param string $element Name of element to create + * @return HTMLPurifier_ElementDef Created element + */ + public function addBlankElement($element) + { + if (!isset($this->info[$element])) { + $this->elements[] = $element; + $this->info[$element] = new HTMLPurifier_ElementDef(); + $this->info[$element]->standalone = false; + } else { + trigger_error("Definition for $element already exists in module, cannot redefine"); + } + return $this->info[$element]; + } + + /** + * Convenience function that registers an element to a content set + * @param string $element Element to register + * @param string $type Name content set (warning: case sensitive, usually upper-case + * first letter) + */ + public function addElementToContentSet($element, $type) + { + if (!isset($this->content_sets[$type])) { + $this->content_sets[$type] = ''; + } else { + $this->content_sets[$type] .= ' | '; + } + $this->content_sets[$type] .= $element; + } + + /** + * Convenience function that transforms single-string contents + * into separate content model and content model type + * @param string $contents Allowed children in form of: + * "$content_model_type: $content_model" + * @return array + * @note If contents is an object, an array of two nulls will be + * returned, and the callee needs to take the original $contents + * and use it directly. + */ + public function parseContents($contents) + { + if (!is_string($contents)) { + return array(null, null); + } // defer + switch ($contents) { + // check for shorthand content model forms + case 'Empty': + return array('empty', ''); + case 'Inline': + return array('optional', 'Inline | #PCDATA'); + case 'Flow': + return array('optional', 'Flow | #PCDATA'); + } + list($content_model_type, $content_model) = explode(':', $contents); + $content_model_type = strtolower(trim($content_model_type)); + $content_model = trim($content_model); + return array($content_model_type, $content_model); + } + + /** + * Convenience function that merges a list of attribute includes into + * an attribute array. + * @param array $attr Reference to attr array to modify + * @param array $attr_includes Array of includes / string include to merge in + */ + public function mergeInAttrIncludes(&$attr, $attr_includes) + { + if (!is_array($attr_includes)) { + if (empty($attr_includes)) { + $attr_includes = array(); + } else { + $attr_includes = array($attr_includes); + } + } + $attr[0] = $attr_includes; + } + + /** + * Convenience function that generates a lookup table with boolean + * true as value. + * @param string $list List of values to turn into a lookup + * @note You can also pass an arbitrary number of arguments in + * place of the regular argument + * @return array array equivalent of list + */ + public function makeLookup($list) + { + if (is_string($list)) { + $list = func_get_args(); + } + $ret = array(); + foreach ($list as $value) { + if (is_null($value)) { + continue; + } + $ret[$value] = true; + } + return $ret; + } + + /** + * Lazy load construction of the module after determining whether + * or not it's needed, and also when a finalized configuration object + * is available. + * @param HTMLPurifier_Config $config + */ + public function setup($config) + { + } +} + +// vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/Bdo.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/Bdo.php new file mode 100644 index 0000000..1e67c79 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/Bdo.php @@ -0,0 +1,44 @@ + array('dir' => false) + ); + + /** + * @param HTMLPurifier_Config $config + */ + public function setup($config) + { + $bdo = $this->addElement( + 'bdo', + 'Inline', + 'Inline', + array('Core', 'Lang'), + array( + 'dir' => 'Enum#ltr,rtl', // required + // The Abstract Module specification has the attribute + // inclusions wrong for bdo: bdo allows Lang + ) + ); + $bdo->attr_transform_post[] = new HTMLPurifier_AttrTransform_BdoDir(); + + $this->attr_collections['I18N']['dir'] = 'Enum#ltr,rtl'; + } +} + +// vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/CommonAttributes.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/CommonAttributes.php new file mode 100644 index 0000000..a96ab1b --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/CommonAttributes.php @@ -0,0 +1,31 @@ + array( + 0 => array('Style'), + // 'xml:space' => false, + 'class' => 'Class', + 'id' => 'ID', + 'title' => 'CDATA', + ), + 'Lang' => array(), + 'I18N' => array( + 0 => array('Lang'), // proprietary, for xml:lang/lang + ), + 'Common' => array( + 0 => array('Core', 'I18N') + ) + ); +} + +// vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/Edit.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/Edit.php new file mode 100644 index 0000000..a9042a3 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/Edit.php @@ -0,0 +1,55 @@ + 'URI', + // 'datetime' => 'Datetime', // not implemented + ); + $this->addElement('del', 'Inline', $contents, 'Common', $attr); + $this->addElement('ins', 'Inline', $contents, 'Common', $attr); + } + + // HTML 4.01 specifies that ins/del must not contain block + // elements when used in an inline context, chameleon is + // a complicated workaround to acheive this effect + + // Inline context ! Block context (exclamation mark is + // separator, see getChildDef for parsing) + + /** + * @type bool + */ + public $defines_child_def = true; + + /** + * @param HTMLPurifier_ElementDef $def + * @return HTMLPurifier_ChildDef_Chameleon + */ + public function getChildDef($def) + { + if ($def->content_model_type != 'chameleon') { + return false; + } + $value = explode('!', $def->content_model); + return new HTMLPurifier_ChildDef_Chameleon($value[0], $value[1]); + } +} + +// vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/Forms.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/Forms.php new file mode 100644 index 0000000..6f7ddbc --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/Forms.php @@ -0,0 +1,190 @@ + 'Form', + 'Inline' => 'Formctrl', + ); + + /** + * @param HTMLPurifier_Config $config + */ + public function setup($config) + { + $form = $this->addElement( + 'form', + 'Form', + 'Required: Heading | List | Block | fieldset', + 'Common', + array( + 'accept' => 'ContentTypes', + 'accept-charset' => 'Charsets', + 'action*' => 'URI', + 'method' => 'Enum#get,post', + // really ContentType, but these two are the only ones used today + 'enctype' => 'Enum#application/x-www-form-urlencoded,multipart/form-data', + ) + ); + $form->excludes = array('form' => true); + + $input = $this->addElement( + 'input', + 'Formctrl', + 'Empty', + 'Common', + array( + 'accept' => 'ContentTypes', + 'accesskey' => 'Character', + 'alt' => 'Text', + 'checked' => 'Bool#checked', + 'disabled' => 'Bool#disabled', + 'maxlength' => 'Number', + 'name' => 'CDATA', + 'readonly' => 'Bool#readonly', + 'size' => 'Number', + 'src' => 'URI#embedded', + 'tabindex' => 'Number', + 'type' => 'Enum#text,password,checkbox,button,radio,submit,reset,file,hidden,image', + 'value' => 'CDATA', + ) + ); + $input->attr_transform_post[] = new HTMLPurifier_AttrTransform_Input(); + + $this->addElement( + 'select', + 'Formctrl', + 'Required: optgroup | option', + 'Common', + array( + 'disabled' => 'Bool#disabled', + 'multiple' => 'Bool#multiple', + 'name' => 'CDATA', + 'size' => 'Number', + 'tabindex' => 'Number', + ) + ); + + $this->addElement( + 'option', + false, + 'Optional: #PCDATA', + 'Common', + array( + 'disabled' => 'Bool#disabled', + 'label' => 'Text', + 'selected' => 'Bool#selected', + 'value' => 'CDATA', + ) + ); + // It's illegal for there to be more than one selected, but not + // be multiple. Also, no selected means undefined behavior. This might + // be difficult to implement; perhaps an injector, or a context variable. + + $textarea = $this->addElement( + 'textarea', + 'Formctrl', + 'Optional: #PCDATA', + 'Common', + array( + 'accesskey' => 'Character', + 'cols*' => 'Number', + 'disabled' => 'Bool#disabled', + 'name' => 'CDATA', + 'readonly' => 'Bool#readonly', + 'rows*' => 'Number', + 'tabindex' => 'Number', + ) + ); + $textarea->attr_transform_pre[] = new HTMLPurifier_AttrTransform_Textarea(); + + $button = $this->addElement( + 'button', + 'Formctrl', + 'Optional: #PCDATA | Heading | List | Block | Inline', + 'Common', + array( + 'accesskey' => 'Character', + 'disabled' => 'Bool#disabled', + 'name' => 'CDATA', + 'tabindex' => 'Number', + 'type' => 'Enum#button,submit,reset', + 'value' => 'CDATA', + ) + ); + + // For exclusions, ideally we'd specify content sets, not literal elements + $button->excludes = $this->makeLookup( + 'form', + 'fieldset', // Form + 'input', + 'select', + 'textarea', + 'label', + 'button', // Formctrl + 'a', // as per HTML 4.01 spec, this is omitted by modularization + 'isindex', + 'iframe' // legacy items + ); + + // Extra exclusion: img usemap="" is not permitted within this element. + // We'll omit this for now, since we don't have any good way of + // indicating it yet. + + // This is HIGHLY user-unfriendly; we need a custom child-def for this + $this->addElement('fieldset', 'Form', 'Custom: (#WS?,legend,(Flow|#PCDATA)*)', 'Common'); + + $label = $this->addElement( + 'label', + 'Formctrl', + 'Optional: #PCDATA | Inline', + 'Common', + array( + 'accesskey' => 'Character', + // 'for' => 'IDREF', // IDREF not implemented, cannot allow + ) + ); + $label->excludes = array('label' => true); + + $this->addElement( + 'legend', + false, + 'Optional: #PCDATA | Inline', + 'Common', + array( + 'accesskey' => 'Character', + ) + ); + + $this->addElement( + 'optgroup', + false, + 'Required: option', + 'Common', + array( + 'disabled' => 'Bool#disabled', + 'label*' => 'Text', + ) + ); + // Don't forget an injector for . This one's a little complex + // because it maps to multiple elements. + } +} + +// vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/Hypertext.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/Hypertext.php new file mode 100644 index 0000000..72d7a31 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/Hypertext.php @@ -0,0 +1,40 @@ +addElement( + 'a', + 'Inline', + 'Inline', + 'Common', + array( + // 'accesskey' => 'Character', + // 'charset' => 'Charset', + 'href' => 'URI', + // 'hreflang' => 'LanguageCode', + 'rel' => new HTMLPurifier_AttrDef_HTML_LinkTypes('rel'), + 'rev' => new HTMLPurifier_AttrDef_HTML_LinkTypes('rev'), + // 'tabindex' => 'Number', + // 'type' => 'ContentType', + ) + ); + $a->formatting = true; + $a->excludes = array('a' => true); + } +} + +// vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/Iframe.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/Iframe.php new file mode 100644 index 0000000..f7e7c91 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/Iframe.php @@ -0,0 +1,51 @@ +get('HTML.SafeIframe')) { + $this->safe = true; + } + $this->addElement( + 'iframe', + 'Inline', + 'Flow', + 'Common', + array( + 'src' => 'URI#embedded', + 'width' => 'Length', + 'height' => 'Length', + 'name' => 'ID', + 'scrolling' => 'Enum#yes,no,auto', + 'frameborder' => 'Enum#0,1', + 'longdesc' => 'URI', + 'marginheight' => 'Pixels', + 'marginwidth' => 'Pixels', + ) + ); + } +} + +// vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/Image.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/Image.php new file mode 100644 index 0000000..0f5fdb3 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/Image.php @@ -0,0 +1,49 @@ +get('HTML.MaxImgLength'); + $img = $this->addElement( + 'img', + 'Inline', + 'Empty', + 'Common', + array( + 'alt*' => 'Text', + // According to the spec, it's Length, but percents can + // be abused, so we allow only Pixels. + 'height' => 'Pixels#' . $max, + 'width' => 'Pixels#' . $max, + 'longdesc' => 'URI', + 'src*' => new HTMLPurifier_AttrDef_URI(true), // embedded + ) + ); + if ($max === null || $config->get('HTML.Trusted')) { + $img->attr['height'] = + $img->attr['width'] = 'Length'; + } + + // kind of strange, but splitting things up would be inefficient + $img->attr_transform_pre[] = + $img->attr_transform_post[] = + new HTMLPurifier_AttrTransform_ImgRequired(); + } +} + +// vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/Legacy.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/Legacy.php new file mode 100644 index 0000000..86b5299 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/Legacy.php @@ -0,0 +1,186 @@ +addElement( + 'basefont', + 'Inline', + 'Empty', + null, + array( + 'color' => 'Color', + 'face' => 'Text', // extremely broad, we should + 'size' => 'Text', // tighten it + 'id' => 'ID' + ) + ); + $this->addElement('center', 'Block', 'Flow', 'Common'); + $this->addElement( + 'dir', + 'Block', + 'Required: li', + 'Common', + array( + 'compact' => 'Bool#compact' + ) + ); + $this->addElement( + 'font', + 'Inline', + 'Inline', + array('Core', 'I18N'), + array( + 'color' => 'Color', + 'face' => 'Text', // extremely broad, we should + 'size' => 'Text', // tighten it + ) + ); + $this->addElement( + 'menu', + 'Block', + 'Required: li', + 'Common', + array( + 'compact' => 'Bool#compact' + ) + ); + + $s = $this->addElement('s', 'Inline', 'Inline', 'Common'); + $s->formatting = true; + + $strike = $this->addElement('strike', 'Inline', 'Inline', 'Common'); + $strike->formatting = true; + + $u = $this->addElement('u', 'Inline', 'Inline', 'Common'); + $u->formatting = true; + + // setup modifications to old elements + + $align = 'Enum#left,right,center,justify'; + + $address = $this->addBlankElement('address'); + $address->content_model = 'Inline | #PCDATA | p'; + $address->content_model_type = 'optional'; + $address->child = false; + + $blockquote = $this->addBlankElement('blockquote'); + $blockquote->content_model = 'Flow | #PCDATA'; + $blockquote->content_model_type = 'optional'; + $blockquote->child = false; + + $br = $this->addBlankElement('br'); + $br->attr['clear'] = 'Enum#left,all,right,none'; + + $caption = $this->addBlankElement('caption'); + $caption->attr['align'] = 'Enum#top,bottom,left,right'; + + $div = $this->addBlankElement('div'); + $div->attr['align'] = $align; + + $dl = $this->addBlankElement('dl'); + $dl->attr['compact'] = 'Bool#compact'; + + for ($i = 1; $i <= 6; $i++) { + $h = $this->addBlankElement("h$i"); + $h->attr['align'] = $align; + } + + $hr = $this->addBlankElement('hr'); + $hr->attr['align'] = $align; + $hr->attr['noshade'] = 'Bool#noshade'; + $hr->attr['size'] = 'Pixels'; + $hr->attr['width'] = 'Length'; + + $img = $this->addBlankElement('img'); + $img->attr['align'] = 'IAlign'; + $img->attr['border'] = 'Pixels'; + $img->attr['hspace'] = 'Pixels'; + $img->attr['vspace'] = 'Pixels'; + + // figure out this integer business + + $li = $this->addBlankElement('li'); + $li->attr['value'] = new HTMLPurifier_AttrDef_Integer(); + $li->attr['type'] = 'Enum#s:1,i,I,a,A,disc,square,circle'; + + $ol = $this->addBlankElement('ol'); + $ol->attr['compact'] = 'Bool#compact'; + $ol->attr['start'] = new HTMLPurifier_AttrDef_Integer(); + $ol->attr['type'] = 'Enum#s:1,i,I,a,A'; + + $p = $this->addBlankElement('p'); + $p->attr['align'] = $align; + + $pre = $this->addBlankElement('pre'); + $pre->attr['width'] = 'Number'; + + // script omitted + + $table = $this->addBlankElement('table'); + $table->attr['align'] = 'Enum#left,center,right'; + $table->attr['bgcolor'] = 'Color'; + + $tr = $this->addBlankElement('tr'); + $tr->attr['bgcolor'] = 'Color'; + + $th = $this->addBlankElement('th'); + $th->attr['bgcolor'] = 'Color'; + $th->attr['height'] = 'Length'; + $th->attr['nowrap'] = 'Bool#nowrap'; + $th->attr['width'] = 'Length'; + + $td = $this->addBlankElement('td'); + $td->attr['bgcolor'] = 'Color'; + $td->attr['height'] = 'Length'; + $td->attr['nowrap'] = 'Bool#nowrap'; + $td->attr['width'] = 'Length'; + + $ul = $this->addBlankElement('ul'); + $ul->attr['compact'] = 'Bool#compact'; + $ul->attr['type'] = 'Enum#square,disc,circle'; + + // "safe" modifications to "unsafe" elements + // WARNING: If you want to add support for an unsafe, legacy + // attribute, make a new TrustedLegacy module with the trusted + // bit set appropriately + + $form = $this->addBlankElement('form'); + $form->content_model = 'Flow | #PCDATA'; + $form->content_model_type = 'optional'; + $form->attr['target'] = 'FrameTarget'; + + $input = $this->addBlankElement('input'); + $input->attr['align'] = 'IAlign'; + + $legend = $this->addBlankElement('legend'); + $legend->attr['align'] = 'LAlign'; + } +} + +// vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/List.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/List.php new file mode 100644 index 0000000..7a20ff7 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/List.php @@ -0,0 +1,51 @@ + 'List'); + + /** + * @param HTMLPurifier_Config $config + */ + public function setup($config) + { + $ol = $this->addElement('ol', 'List', new HTMLPurifier_ChildDef_List(), 'Common'); + $ul = $this->addElement('ul', 'List', new HTMLPurifier_ChildDef_List(), 'Common'); + // XXX The wrap attribute is handled by MakeWellFormed. This is all + // quite unsatisfactory, because we generated this + // *specifically* for lists, and now a big chunk of the handling + // is done properly by the List ChildDef. So actually, we just + // want enough information to make autoclosing work properly, + // and then hand off the tricky stuff to the ChildDef. + $ol->wrap = 'li'; + $ul->wrap = 'li'; + $this->addElement('dl', 'List', 'Required: dt | dd', 'Common'); + + $this->addElement('li', false, 'Flow', 'Common'); + + $this->addElement('dd', false, 'Flow', 'Common'); + $this->addElement('dt', false, 'Inline', 'Common'); + } +} + +// vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/Name.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/Name.php new file mode 100644 index 0000000..60c0545 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/Name.php @@ -0,0 +1,26 @@ +addBlankElement($name); + $element->attr['name'] = 'CDATA'; + if (!$config->get('HTML.Attr.Name.UseCDATA')) { + $element->attr_transform_post[] = new HTMLPurifier_AttrTransform_NameSync(); + } + } + } +} + +// vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/Nofollow.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/Nofollow.php new file mode 100644 index 0000000..dc9410a --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/Nofollow.php @@ -0,0 +1,25 @@ +addBlankElement('a'); + $a->attr_transform_post[] = new HTMLPurifier_AttrTransform_Nofollow(); + } +} + +// vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/NonXMLCommonAttributes.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/NonXMLCommonAttributes.php new file mode 100644 index 0000000..da72225 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/NonXMLCommonAttributes.php @@ -0,0 +1,20 @@ + array( + 'lang' => 'LanguageCode', + ) + ); +} + +// vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/Object.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/Object.php new file mode 100644 index 0000000..2f9efc5 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/Object.php @@ -0,0 +1,62 @@ + to cater to legacy browsers: this + * module does not allow this sort of behavior + */ +class HTMLPurifier_HTMLModule_Object extends HTMLPurifier_HTMLModule +{ + /** + * @type string + */ + public $name = 'Object'; + + /** + * @type bool + */ + public $safe = false; + + /** + * @param HTMLPurifier_Config $config + */ + public function setup($config) + { + $this->addElement( + 'object', + 'Inline', + 'Optional: #PCDATA | Flow | param', + 'Common', + array( + 'archive' => 'URI', + 'classid' => 'URI', + 'codebase' => 'URI', + 'codetype' => 'Text', + 'data' => 'URI', + 'declare' => 'Bool#declare', + 'height' => 'Length', + 'name' => 'CDATA', + 'standby' => 'Text', + 'tabindex' => 'Number', + 'type' => 'ContentType', + 'width' => 'Length' + ) + ); + + $this->addElement( + 'param', + false, + 'Empty', + null, + array( + 'id' => 'ID', + 'name*' => 'Text', + 'type' => 'Text', + 'value' => 'Text', + 'valuetype' => 'Enum#data,ref,object' + ) + ); + } +} + +// vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/Presentation.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/Presentation.php new file mode 100644 index 0000000..6458ce9 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/Presentation.php @@ -0,0 +1,42 @@ +addElement('hr', 'Block', 'Empty', 'Common'); + $this->addElement('sub', 'Inline', 'Inline', 'Common'); + $this->addElement('sup', 'Inline', 'Inline', 'Common'); + $b = $this->addElement('b', 'Inline', 'Inline', 'Common'); + $b->formatting = true; + $big = $this->addElement('big', 'Inline', 'Inline', 'Common'); + $big->formatting = true; + $i = $this->addElement('i', 'Inline', 'Inline', 'Common'); + $i->formatting = true; + $small = $this->addElement('small', 'Inline', 'Inline', 'Common'); + $small->formatting = true; + $tt = $this->addElement('tt', 'Inline', 'Inline', 'Common'); + $tt->formatting = true; + } +} + +// vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/Proprietary.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/Proprietary.php new file mode 100644 index 0000000..5ee3c8e --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/Proprietary.php @@ -0,0 +1,40 @@ +addElement( + 'marquee', + 'Inline', + 'Flow', + 'Common', + array( + 'direction' => 'Enum#left,right,up,down', + 'behavior' => 'Enum#alternate', + 'width' => 'Length', + 'height' => 'Length', + 'scrolldelay' => 'Number', + 'scrollamount' => 'Number', + 'loop' => 'Number', + 'bgcolor' => 'Color', + 'hspace' => 'Pixels', + 'vspace' => 'Pixels', + ) + ); + } +} + +// vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/Ruby.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/Ruby.php new file mode 100644 index 0000000..a0d4892 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/Ruby.php @@ -0,0 +1,36 @@ +addElement( + 'ruby', + 'Inline', + 'Custom: ((rb, (rt | (rp, rt, rp))) | (rbc, rtc, rtc?))', + 'Common' + ); + $this->addElement('rbc', false, 'Required: rb', 'Common'); + $this->addElement('rtc', false, 'Required: rt', 'Common'); + $rb = $this->addElement('rb', false, 'Inline', 'Common'); + $rb->excludes = array('ruby' => true); + $rt = $this->addElement('rt', false, 'Inline', 'Common', array('rbspan' => 'Number')); + $rt->excludes = array('ruby' => true); + $this->addElement('rp', false, 'Optional: #PCDATA', 'Common'); + } +} + +// vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/SafeEmbed.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/SafeEmbed.php new file mode 100644 index 0000000..04e6689 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/SafeEmbed.php @@ -0,0 +1,40 @@ +get('HTML.MaxImgLength'); + $embed = $this->addElement( + 'embed', + 'Inline', + 'Empty', + 'Common', + array( + 'src*' => 'URI#embedded', + 'type' => 'Enum#application/x-shockwave-flash', + 'width' => 'Pixels#' . $max, + 'height' => 'Pixels#' . $max, + 'allowscriptaccess' => 'Enum#never', + 'allownetworking' => 'Enum#internal', + 'flashvars' => 'Text', + 'wmode' => 'Enum#window,transparent,opaque', + 'name' => 'ID', + ) + ); + $embed->attr_transform_post[] = new HTMLPurifier_AttrTransform_SafeEmbed(); + } +} + +// vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/SafeObject.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/SafeObject.php new file mode 100644 index 0000000..1297f80 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/SafeObject.php @@ -0,0 +1,62 @@ +get('HTML.MaxImgLength'); + $object = $this->addElement( + 'object', + 'Inline', + 'Optional: param | Flow | #PCDATA', + 'Common', + array( + // While technically not required by the spec, we're forcing + // it to this value. + 'type' => 'Enum#application/x-shockwave-flash', + 'width' => 'Pixels#' . $max, + 'height' => 'Pixels#' . $max, + 'data' => 'URI#embedded', + 'codebase' => new HTMLPurifier_AttrDef_Enum( + array( + 'http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,40,0' + ) + ), + ) + ); + $object->attr_transform_post[] = new HTMLPurifier_AttrTransform_SafeObject(); + + $param = $this->addElement( + 'param', + false, + 'Empty', + false, + array( + 'id' => 'ID', + 'name*' => 'Text', + 'value' => 'Text' + ) + ); + $param->attr_transform_post[] = new HTMLPurifier_AttrTransform_SafeParam(); + $this->info_injector[] = 'SafeObject'; + } +} + +// vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/SafeScripting.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/SafeScripting.php new file mode 100644 index 0000000..0330cd9 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/SafeScripting.php @@ -0,0 +1,40 @@ +get('HTML.SafeScripting'); + $script = $this->addElement( + 'script', + 'Inline', + 'Empty', + null, + array( + // While technically not required by the spec, we're forcing + // it to this value. + 'type' => 'Enum#text/javascript', + 'src*' => new HTMLPurifier_AttrDef_Enum(array_keys($allowed)) + ) + ); + $script->attr_transform_pre[] = + $script->attr_transform_post[] = new HTMLPurifier_AttrTransform_ScriptRequired(); + } +} + +// vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/Scripting.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/Scripting.php new file mode 100644 index 0000000..8b28a7b --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/Scripting.php @@ -0,0 +1,73 @@ + 'script | noscript', 'Inline' => 'script | noscript'); + + /** + * @type bool + */ + public $safe = false; + + /** + * @param HTMLPurifier_Config $config + */ + public function setup($config) + { + // TODO: create custom child-definition for noscript that + // auto-wraps stray #PCDATA in a similar manner to + // blockquote's custom definition (we would use it but + // blockquote's contents are optional while noscript's contents + // are required) + + // TODO: convert this to new syntax, main problem is getting + // both content sets working + + // In theory, this could be safe, but I don't see any reason to + // allow it. + $this->info['noscript'] = new HTMLPurifier_ElementDef(); + $this->info['noscript']->attr = array(0 => array('Common')); + $this->info['noscript']->content_model = 'Heading | List | Block'; + $this->info['noscript']->content_model_type = 'required'; + + $this->info['script'] = new HTMLPurifier_ElementDef(); + $this->info['script']->attr = array( + 'defer' => new HTMLPurifier_AttrDef_Enum(array('defer')), + 'src' => new HTMLPurifier_AttrDef_URI(true), + 'type' => new HTMLPurifier_AttrDef_Enum(array('text/javascript')) + ); + $this->info['script']->content_model = '#PCDATA'; + $this->info['script']->content_model_type = 'optional'; + $this->info['script']->attr_transform_pre[] = + $this->info['script']->attr_transform_post[] = + new HTMLPurifier_AttrTransform_ScriptRequired(); + } +} + +// vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/StyleAttribute.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/StyleAttribute.php new file mode 100644 index 0000000..497b832 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/StyleAttribute.php @@ -0,0 +1,33 @@ + array('style' => false), // see constructor + 'Core' => array(0 => array('Style')) + ); + + /** + * @param HTMLPurifier_Config $config + */ + public function setup($config) + { + $this->attr_collections['Style']['style'] = new HTMLPurifier_AttrDef_CSS(); + } +} + +// vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/Tables.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/Tables.php new file mode 100644 index 0000000..8a0b3b4 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/Tables.php @@ -0,0 +1,75 @@ +addElement('caption', false, 'Inline', 'Common'); + + $this->addElement( + 'table', + 'Block', + new HTMLPurifier_ChildDef_Table(), + 'Common', + array( + 'border' => 'Pixels', + 'cellpadding' => 'Length', + 'cellspacing' => 'Length', + 'frame' => 'Enum#void,above,below,hsides,lhs,rhs,vsides,box,border', + 'rules' => 'Enum#none,groups,rows,cols,all', + 'summary' => 'Text', + 'width' => 'Length' + ) + ); + + // common attributes + $cell_align = array( + 'align' => 'Enum#left,center,right,justify,char', + 'charoff' => 'Length', + 'valign' => 'Enum#top,middle,bottom,baseline', + ); + + $cell_t = array_merge( + array( + 'abbr' => 'Text', + 'colspan' => 'Number', + 'rowspan' => 'Number', + // Apparently, as of HTML5 this attribute only applies + // to 'th' elements. + 'scope' => 'Enum#row,col,rowgroup,colgroup', + ), + $cell_align + ); + $this->addElement('td', false, 'Flow', 'Common', $cell_t); + $this->addElement('th', false, 'Flow', 'Common', $cell_t); + + $this->addElement('tr', false, 'Required: td | th', 'Common', $cell_align); + + $cell_col = array_merge( + array( + 'span' => 'Number', + 'width' => 'MultiLength', + ), + $cell_align + ); + $this->addElement('col', false, 'Empty', 'Common', $cell_col); + $this->addElement('colgroup', false, 'Optional: col', 'Common', $cell_col); + + $this->addElement('tbody', false, 'Required: tr', 'Common', $cell_align); + $this->addElement('thead', false, 'Required: tr', 'Common', $cell_align); + $this->addElement('tfoot', false, 'Required: tr', 'Common', $cell_align); + } +} + +// vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/Target.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/Target.php new file mode 100644 index 0000000..b188ac9 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/Target.php @@ -0,0 +1,28 @@ +addBlankElement($name); + $e->attr = array( + 'target' => new HTMLPurifier_AttrDef_HTML_FrameTarget() + ); + } + } +} + +// vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/TargetBlank.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/TargetBlank.php new file mode 100644 index 0000000..58ccc68 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/TargetBlank.php @@ -0,0 +1,24 @@ +addBlankElement('a'); + $a->attr_transform_post[] = new HTMLPurifier_AttrTransform_TargetBlank(); + } +} + +// vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/TargetNoopener.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/TargetNoopener.php new file mode 100644 index 0000000..b967ff5 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/TargetNoopener.php @@ -0,0 +1,21 @@ +addBlankElement('a'); + $a->attr_transform_post[] = new HTMLPurifier_AttrTransform_TargetNoopener(); + } +} diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/TargetNoreferrer.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/TargetNoreferrer.php new file mode 100644 index 0000000..32484d6 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/TargetNoreferrer.php @@ -0,0 +1,21 @@ +addBlankElement('a'); + $a->attr_transform_post[] = new HTMLPurifier_AttrTransform_TargetNoreferrer(); + } +} diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/Text.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/Text.php new file mode 100644 index 0000000..7a65e00 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/Text.php @@ -0,0 +1,87 @@ + 'Heading | Block | Inline' + ); + + /** + * @param HTMLPurifier_Config $config + */ + public function setup($config) + { + // Inline Phrasal ------------------------------------------------- + $this->addElement('abbr', 'Inline', 'Inline', 'Common'); + $this->addElement('acronym', 'Inline', 'Inline', 'Common'); + $this->addElement('cite', 'Inline', 'Inline', 'Common'); + $this->addElement('dfn', 'Inline', 'Inline', 'Common'); + $this->addElement('kbd', 'Inline', 'Inline', 'Common'); + $this->addElement('q', 'Inline', 'Inline', 'Common', array('cite' => 'URI')); + $this->addElement('samp', 'Inline', 'Inline', 'Common'); + $this->addElement('var', 'Inline', 'Inline', 'Common'); + + $em = $this->addElement('em', 'Inline', 'Inline', 'Common'); + $em->formatting = true; + + $strong = $this->addElement('strong', 'Inline', 'Inline', 'Common'); + $strong->formatting = true; + + $code = $this->addElement('code', 'Inline', 'Inline', 'Common'); + $code->formatting = true; + + // Inline Structural ---------------------------------------------- + $this->addElement('span', 'Inline', 'Inline', 'Common'); + $this->addElement('br', 'Inline', 'Empty', 'Core'); + + // Block Phrasal -------------------------------------------------- + $this->addElement('address', 'Block', 'Inline', 'Common'); + $this->addElement('blockquote', 'Block', 'Optional: Heading | Block | List', 'Common', array('cite' => 'URI')); + $pre = $this->addElement('pre', 'Block', 'Inline', 'Common'); + $pre->excludes = $this->makeLookup( + 'img', + 'big', + 'small', + 'object', + 'applet', + 'font', + 'basefont' + ); + $this->addElement('h1', 'Heading', 'Inline', 'Common'); + $this->addElement('h2', 'Heading', 'Inline', 'Common'); + $this->addElement('h3', 'Heading', 'Inline', 'Common'); + $this->addElement('h4', 'Heading', 'Inline', 'Common'); + $this->addElement('h5', 'Heading', 'Inline', 'Common'); + $this->addElement('h6', 'Heading', 'Inline', 'Common'); + + // Block Structural ----------------------------------------------- + $p = $this->addElement('p', 'Block', 'Inline', 'Common'); + $p->autoclose = array_flip( + array("address", "blockquote", "center", "dir", "div", "dl", "fieldset", "ol", "p", "ul") + ); + + $this->addElement('div', 'Block', 'Flow', 'Common'); + } +} + +// vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/Tidy.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/Tidy.php new file mode 100644 index 0000000..08aa232 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/Tidy.php @@ -0,0 +1,230 @@ + 'none', 'light', 'medium', 'heavy'); + + /** + * Default level to place all fixes in. + * Disabled by default. + * @type string + */ + public $defaultLevel = null; + + /** + * Lists of fixes used by getFixesForLevel(). + * Format is: + * HTMLModule_Tidy->fixesForLevel[$level] = array('fix-1', 'fix-2'); + * @type array + */ + public $fixesForLevel = array( + 'light' => array(), + 'medium' => array(), + 'heavy' => array() + ); + + /** + * Lazy load constructs the module by determining the necessary + * fixes to create and then delegating to the populate() function. + * @param HTMLPurifier_Config $config + * @todo Wildcard matching and error reporting when an added or + * subtracted fix has no effect. + */ + public function setup($config) + { + // create fixes, initialize fixesForLevel + $fixes = $this->makeFixes(); + $this->makeFixesForLevel($fixes); + + // figure out which fixes to use + $level = $config->get('HTML.TidyLevel'); + $fixes_lookup = $this->getFixesForLevel($level); + + // get custom fix declarations: these need namespace processing + $add_fixes = $config->get('HTML.TidyAdd'); + $remove_fixes = $config->get('HTML.TidyRemove'); + + foreach ($fixes as $name => $fix) { + // needs to be refactored a little to implement globbing + if (isset($remove_fixes[$name]) || + (!isset($add_fixes[$name]) && !isset($fixes_lookup[$name]))) { + unset($fixes[$name]); + } + } + + // populate this module with necessary fixes + $this->populate($fixes); + } + + /** + * Retrieves all fixes per a level, returning fixes for that specific + * level as well as all levels below it. + * @param string $level level identifier, see $levels for valid values + * @return array Lookup up table of fixes + */ + public function getFixesForLevel($level) + { + if ($level == $this->levels[0]) { + return array(); + } + $activated_levels = array(); + for ($i = 1, $c = count($this->levels); $i < $c; $i++) { + $activated_levels[] = $this->levels[$i]; + if ($this->levels[$i] == $level) { + break; + } + } + if ($i == $c) { + trigger_error( + 'Tidy level ' . htmlspecialchars($level) . ' not recognized', + E_USER_WARNING + ); + return array(); + } + $ret = array(); + foreach ($activated_levels as $level) { + foreach ($this->fixesForLevel[$level] as $fix) { + $ret[$fix] = true; + } + } + return $ret; + } + + /** + * Dynamically populates the $fixesForLevel member variable using + * the fixes array. It may be custom overloaded, used in conjunction + * with $defaultLevel, or not used at all. + * @param array $fixes + */ + public function makeFixesForLevel($fixes) + { + if (!isset($this->defaultLevel)) { + return; + } + if (!isset($this->fixesForLevel[$this->defaultLevel])) { + trigger_error( + 'Default level ' . $this->defaultLevel . ' does not exist', + E_USER_ERROR + ); + return; + } + $this->fixesForLevel[$this->defaultLevel] = array_keys($fixes); + } + + /** + * Populates the module with transforms and other special-case code + * based on a list of fixes passed to it + * @param array $fixes Lookup table of fixes to activate + */ + public function populate($fixes) + { + foreach ($fixes as $name => $fix) { + // determine what the fix is for + list($type, $params) = $this->getFixType($name); + switch ($type) { + case 'attr_transform_pre': + case 'attr_transform_post': + $attr = $params['attr']; + if (isset($params['element'])) { + $element = $params['element']; + if (empty($this->info[$element])) { + $e = $this->addBlankElement($element); + } else { + $e = $this->info[$element]; + } + } else { + $type = "info_$type"; + $e = $this; + } + // PHP does some weird parsing when I do + // $e->$type[$attr], so I have to assign a ref. + $f =& $e->$type; + $f[$attr] = $fix; + break; + case 'tag_transform': + $this->info_tag_transform[$params['element']] = $fix; + break; + case 'child': + case 'content_model_type': + $element = $params['element']; + if (empty($this->info[$element])) { + $e = $this->addBlankElement($element); + } else { + $e = $this->info[$element]; + } + $e->$type = $fix; + break; + default: + trigger_error("Fix type $type not supported", E_USER_ERROR); + break; + } + } + } + + /** + * Parses a fix name and determines what kind of fix it is, as well + * as other information defined by the fix + * @param $name String name of fix + * @return array(string $fix_type, array $fix_parameters) + * @note $fix_parameters is type dependant, see populate() for usage + * of these parameters + */ + public function getFixType($name) + { + // parse it + $property = $attr = null; + if (strpos($name, '#') !== false) { + list($name, $property) = explode('#', $name); + } + if (strpos($name, '@') !== false) { + list($name, $attr) = explode('@', $name); + } + + // figure out the parameters + $params = array(); + if ($name !== '') { + $params['element'] = $name; + } + if (!is_null($attr)) { + $params['attr'] = $attr; + } + + // special case: attribute transform + if (!is_null($attr)) { + if (is_null($property)) { + $property = 'pre'; + } + $type = 'attr_transform_' . $property; + return array($type, $params); + } + + // special case: tag transform + if (is_null($property)) { + return array('tag_transform', $params); + } + + return array($property, $params); + + } + + /** + * Defines all fixes the module will perform in a compact + * associative array of fix name to fix implementation. + * @return array + */ + public function makeFixes() + { + } +} + +// vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/Tidy/Name.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/Tidy/Name.php new file mode 100644 index 0000000..a995161 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/Tidy/Name.php @@ -0,0 +1,33 @@ +content_model_type != 'strictblockquote') { + return parent::getChildDef($def); + } + return new HTMLPurifier_ChildDef_StrictBlockquote($def->content_model); + } +} + +// vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/Tidy/Transitional.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/Tidy/Transitional.php new file mode 100644 index 0000000..c095ad9 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/Tidy/Transitional.php @@ -0,0 +1,16 @@ + 'text-align:left;', + 'right' => 'text-align:right;', + 'top' => 'caption-side:top;', + 'bottom' => 'caption-side:bottom;' // not supported by IE + ) + ); + + // @align for img ------------------------------------------------- + $r['img@align'] = + new HTMLPurifier_AttrTransform_EnumToCSS( + 'align', + array( + 'left' => 'float:left;', + 'right' => 'float:right;', + 'top' => 'vertical-align:top;', + 'middle' => 'vertical-align:middle;', + 'bottom' => 'vertical-align:baseline;', + ) + ); + + // @align for table ----------------------------------------------- + $r['table@align'] = + new HTMLPurifier_AttrTransform_EnumToCSS( + 'align', + array( + 'left' => 'float:left;', + 'center' => 'margin-left:auto;margin-right:auto;', + 'right' => 'float:right;' + ) + ); + + // @align for hr ----------------------------------------------- + $r['hr@align'] = + new HTMLPurifier_AttrTransform_EnumToCSS( + 'align', + array( + // we use both text-align and margin because these work + // for different browsers (IE and Firefox, respectively) + // and the melange makes for a pretty cross-compatible + // solution + 'left' => 'margin-left:0;margin-right:auto;text-align:left;', + 'center' => 'margin-left:auto;margin-right:auto;text-align:center;', + 'right' => 'margin-left:auto;margin-right:0;text-align:right;' + ) + ); + + // @align for h1, h2, h3, h4, h5, h6, p, div ---------------------- + // {{{ + $align_lookup = array(); + $align_values = array('left', 'right', 'center', 'justify'); + foreach ($align_values as $v) { + $align_lookup[$v] = "text-align:$v;"; + } + // }}} + $r['h1@align'] = + $r['h2@align'] = + $r['h3@align'] = + $r['h4@align'] = + $r['h5@align'] = + $r['h6@align'] = + $r['p@align'] = + $r['div@align'] = + new HTMLPurifier_AttrTransform_EnumToCSS('align', $align_lookup); + + // @bgcolor for table, tr, td, th --------------------------------- + $r['table@bgcolor'] = + $r['td@bgcolor'] = + $r['th@bgcolor'] = + new HTMLPurifier_AttrTransform_BgColor(); + + // @border for img ------------------------------------------------ + $r['img@border'] = new HTMLPurifier_AttrTransform_Border(); + + // @clear for br -------------------------------------------------- + $r['br@clear'] = + new HTMLPurifier_AttrTransform_EnumToCSS( + 'clear', + array( + 'left' => 'clear:left;', + 'right' => 'clear:right;', + 'all' => 'clear:both;', + 'none' => 'clear:none;', + ) + ); + + // @height for td, th --------------------------------------------- + $r['td@height'] = + $r['th@height'] = + new HTMLPurifier_AttrTransform_Length('height'); + + // @hspace for img ------------------------------------------------ + $r['img@hspace'] = new HTMLPurifier_AttrTransform_ImgSpace('hspace'); + + // @noshade for hr ------------------------------------------------ + // this transformation is not precise but often good enough. + // different browsers use different styles to designate noshade + $r['hr@noshade'] = + new HTMLPurifier_AttrTransform_BoolToCSS( + 'noshade', + 'color:#808080;background-color:#808080;border:0;' + ); + + // @nowrap for td, th --------------------------------------------- + $r['td@nowrap'] = + $r['th@nowrap'] = + new HTMLPurifier_AttrTransform_BoolToCSS( + 'nowrap', + 'white-space:nowrap;' + ); + + // @size for hr -------------------------------------------------- + $r['hr@size'] = new HTMLPurifier_AttrTransform_Length('size', 'height'); + + // @type for li, ol, ul ------------------------------------------- + // {{{ + $ul_types = array( + 'disc' => 'list-style-type:disc;', + 'square' => 'list-style-type:square;', + 'circle' => 'list-style-type:circle;' + ); + $ol_types = array( + '1' => 'list-style-type:decimal;', + 'i' => 'list-style-type:lower-roman;', + 'I' => 'list-style-type:upper-roman;', + 'a' => 'list-style-type:lower-alpha;', + 'A' => 'list-style-type:upper-alpha;' + ); + $li_types = $ul_types + $ol_types; + // }}} + + $r['ul@type'] = new HTMLPurifier_AttrTransform_EnumToCSS('type', $ul_types); + $r['ol@type'] = new HTMLPurifier_AttrTransform_EnumToCSS('type', $ol_types, true); + $r['li@type'] = new HTMLPurifier_AttrTransform_EnumToCSS('type', $li_types, true); + + // @vspace for img ------------------------------------------------ + $r['img@vspace'] = new HTMLPurifier_AttrTransform_ImgSpace('vspace'); + + // @width for hr, td, th ------------------------------------------ + $r['td@width'] = + $r['th@width'] = + $r['hr@width'] = new HTMLPurifier_AttrTransform_Length('width'); + + return $r; + } +} + +// vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/XMLCommonAttributes.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/XMLCommonAttributes.php new file mode 100644 index 0000000..01dbe9d --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/XMLCommonAttributes.php @@ -0,0 +1,20 @@ + array( + 'xml:lang' => 'LanguageCode', + ) + ); +} + +// vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModuleManager.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModuleManager.php new file mode 100644 index 0000000..38c058f --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModuleManager.php @@ -0,0 +1,467 @@ +attrTypes = new HTMLPurifier_AttrTypes(); + $this->doctypes = new HTMLPurifier_DoctypeRegistry(); + + // setup basic modules + $common = array( + 'CommonAttributes', 'Text', 'Hypertext', 'List', + 'Presentation', 'Edit', 'Bdo', 'Tables', 'Image', + 'StyleAttribute', + // Unsafe: + 'Scripting', 'Object', 'Forms', + // Sorta legacy, but present in strict: + 'Name', + ); + $transitional = array('Legacy', 'Target', 'Iframe'); + $xml = array('XMLCommonAttributes'); + $non_xml = array('NonXMLCommonAttributes'); + + // setup basic doctypes + $this->doctypes->register( + 'HTML 4.01 Transitional', + false, + array_merge($common, $transitional, $non_xml), + array('Tidy_Transitional', 'Tidy_Proprietary'), + array(), + '-//W3C//DTD HTML 4.01 Transitional//EN', + 'http://www.w3.org/TR/html4/loose.dtd' + ); + + $this->doctypes->register( + 'HTML 4.01 Strict', + false, + array_merge($common, $non_xml), + array('Tidy_Strict', 'Tidy_Proprietary', 'Tidy_Name'), + array(), + '-//W3C//DTD HTML 4.01//EN', + 'http://www.w3.org/TR/html4/strict.dtd' + ); + + $this->doctypes->register( + 'XHTML 1.0 Transitional', + true, + array_merge($common, $transitional, $xml, $non_xml), + array('Tidy_Transitional', 'Tidy_XHTML', 'Tidy_Proprietary', 'Tidy_Name'), + array(), + '-//W3C//DTD XHTML 1.0 Transitional//EN', + 'http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd' + ); + + $this->doctypes->register( + 'XHTML 1.0 Strict', + true, + array_merge($common, $xml, $non_xml), + array('Tidy_Strict', 'Tidy_XHTML', 'Tidy_Strict', 'Tidy_Proprietary', 'Tidy_Name'), + array(), + '-//W3C//DTD XHTML 1.0 Strict//EN', + 'http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd' + ); + + $this->doctypes->register( + 'XHTML 1.1', + true, + // Iframe is a real XHTML 1.1 module, despite being + // "transitional"! + array_merge($common, $xml, array('Ruby', 'Iframe')), + array('Tidy_Strict', 'Tidy_XHTML', 'Tidy_Proprietary', 'Tidy_Strict', 'Tidy_Name'), // Tidy_XHTML1_1 + array(), + '-//W3C//DTD XHTML 1.1//EN', + 'http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd' + ); + + } + + /** + * Registers a module to the recognized module list, useful for + * overloading pre-existing modules. + * @param $module Mixed: string module name, with or without + * HTMLPurifier_HTMLModule prefix, or instance of + * subclass of HTMLPurifier_HTMLModule. + * @param $overload Boolean whether or not to overload previous modules. + * If this is not set, and you do overload a module, + * HTML Purifier will complain with a warning. + * @note This function will not call autoload, you must instantiate + * (and thus invoke) autoload outside the method. + * @note If a string is passed as a module name, different variants + * will be tested in this order: + * - Check for HTMLPurifier_HTMLModule_$name + * - Check all prefixes with $name in order they were added + * - Check for literal object name + * - Throw fatal error + * If your object name collides with an internal class, specify + * your module manually. All modules must have been included + * externally: registerModule will not perform inclusions for you! + */ + public function registerModule($module, $overload = false) + { + if (is_string($module)) { + // attempt to load the module + $original_module = $module; + $ok = false; + foreach ($this->prefixes as $prefix) { + $module = $prefix . $original_module; + if (class_exists($module)) { + $ok = true; + break; + } + } + if (!$ok) { + $module = $original_module; + if (!class_exists($module)) { + trigger_error( + $original_module . ' module does not exist', + E_USER_ERROR + ); + return; + } + } + $module = new $module(); + } + if (empty($module->name)) { + trigger_error('Module instance of ' . get_class($module) . ' must have name'); + return; + } + if (!$overload && isset($this->registeredModules[$module->name])) { + trigger_error('Overloading ' . $module->name . ' without explicit overload parameter', E_USER_WARNING); + } + $this->registeredModules[$module->name] = $module; + } + + /** + * Adds a module to the current doctype by first registering it, + * and then tacking it on to the active doctype + */ + public function addModule($module) + { + $this->registerModule($module); + if (is_object($module)) { + $module = $module->name; + } + $this->userModules[] = $module; + } + + /** + * Adds a class prefix that registerModule() will use to resolve a + * string name to a concrete class + */ + public function addPrefix($prefix) + { + $this->prefixes[] = $prefix; + } + + /** + * Performs processing on modules, after being called you may + * use getElement() and getElements() + * @param HTMLPurifier_Config $config + */ + public function setup($config) + { + $this->trusted = $config->get('HTML.Trusted'); + + // generate + $this->doctype = $this->doctypes->make($config); + $modules = $this->doctype->modules; + + // take out the default modules that aren't allowed + $lookup = $config->get('HTML.AllowedModules'); + $special_cases = $config->get('HTML.CoreModules'); + + if (is_array($lookup)) { + foreach ($modules as $k => $m) { + if (isset($special_cases[$m])) { + continue; + } + if (!isset($lookup[$m])) { + unset($modules[$k]); + } + } + } + + // custom modules + if ($config->get('HTML.Proprietary')) { + $modules[] = 'Proprietary'; + } + if ($config->get('HTML.SafeObject')) { + $modules[] = 'SafeObject'; + } + if ($config->get('HTML.SafeEmbed')) { + $modules[] = 'SafeEmbed'; + } + if ($config->get('HTML.SafeScripting') !== array()) { + $modules[] = 'SafeScripting'; + } + if ($config->get('HTML.Nofollow')) { + $modules[] = 'Nofollow'; + } + if ($config->get('HTML.TargetBlank')) { + $modules[] = 'TargetBlank'; + } + // NB: HTML.TargetNoreferrer and HTML.TargetNoopener must be AFTER HTML.TargetBlank + // so that its post-attr-transform gets run afterwards. + if ($config->get('HTML.TargetNoreferrer')) { + $modules[] = 'TargetNoreferrer'; + } + if ($config->get('HTML.TargetNoopener')) { + $modules[] = 'TargetNoopener'; + } + + // merge in custom modules + $modules = array_merge($modules, $this->userModules); + + foreach ($modules as $module) { + $this->processModule($module); + $this->modules[$module]->setup($config); + } + + foreach ($this->doctype->tidyModules as $module) { + $this->processModule($module); + $this->modules[$module]->setup($config); + } + + // prepare any injectors + foreach ($this->modules as $module) { + $n = array(); + foreach ($module->info_injector as $injector) { + if (!is_object($injector)) { + $class = "HTMLPurifier_Injector_$injector"; + $injector = new $class; + } + $n[$injector->name] = $injector; + } + $module->info_injector = $n; + } + + // setup lookup table based on all valid modules + foreach ($this->modules as $module) { + foreach ($module->info as $name => $def) { + if (!isset($this->elementLookup[$name])) { + $this->elementLookup[$name] = array(); + } + $this->elementLookup[$name][] = $module->name; + } + } + + // note the different choice + $this->contentSets = new HTMLPurifier_ContentSets( + // content set assembly deals with all possible modules, + // not just ones deemed to be "safe" + $this->modules + ); + $this->attrCollections = new HTMLPurifier_AttrCollections( + $this->attrTypes, + // there is no way to directly disable a global attribute, + // but using AllowedAttributes or simply not including + // the module in your custom doctype should be sufficient + $this->modules + ); + } + + /** + * Takes a module and adds it to the active module collection, + * registering it if necessary. + */ + public function processModule($module) + { + if (!isset($this->registeredModules[$module]) || is_object($module)) { + $this->registerModule($module); + } + $this->modules[$module] = $this->registeredModules[$module]; + } + + /** + * Retrieves merged element definitions. + * @return Array of HTMLPurifier_ElementDef + */ + public function getElements() + { + $elements = array(); + foreach ($this->modules as $module) { + if (!$this->trusted && !$module->safe) { + continue; + } + foreach ($module->info as $name => $v) { + if (isset($elements[$name])) { + continue; + } + $elements[$name] = $this->getElement($name); + } + } + + // remove dud elements, this happens when an element that + // appeared to be safe actually wasn't + foreach ($elements as $n => $v) { + if ($v === false) { + unset($elements[$n]); + } + } + + return $elements; + + } + + /** + * Retrieves a single merged element definition + * @param string $name Name of element + * @param bool $trusted Boolean trusted overriding parameter: set to true + * if you want the full version of an element + * @return HTMLPurifier_ElementDef Merged HTMLPurifier_ElementDef + * @note You may notice that modules are getting iterated over twice (once + * in getElements() and once here). This + * is because + */ + public function getElement($name, $trusted = null) + { + if (!isset($this->elementLookup[$name])) { + return false; + } + + // setup global state variables + $def = false; + if ($trusted === null) { + $trusted = $this->trusted; + } + + // iterate through each module that has registered itself to this + // element + foreach ($this->elementLookup[$name] as $module_name) { + $module = $this->modules[$module_name]; + + // refuse to create/merge from a module that is deemed unsafe-- + // pretend the module doesn't exist--when trusted mode is not on. + if (!$trusted && !$module->safe) { + continue; + } + + // clone is used because, ideally speaking, the original + // definition should not be modified. Usually, this will + // make no difference, but for consistency's sake + $new_def = clone $module->info[$name]; + + if (!$def && $new_def->standalone) { + $def = $new_def; + } elseif ($def) { + // This will occur even if $new_def is standalone. In practice, + // this will usually result in a full replacement. + $def->mergeIn($new_def); + } else { + // :TODO: + // non-standalone definitions that don't have a standalone + // to merge into could be deferred to the end + // HOWEVER, it is perfectly valid for a non-standalone + // definition to lack a standalone definition, even + // after all processing: this allows us to safely + // specify extra attributes for elements that may not be + // enabled all in one place. In particular, this might + // be the case for trusted elements. WARNING: care must + // be taken that the /extra/ definitions are all safe. + continue; + } + + // attribute value expansions + $this->attrCollections->performInclusions($def->attr); + $this->attrCollections->expandIdentifiers($def->attr, $this->attrTypes); + + // descendants_are_inline, for ChildDef_Chameleon + if (is_string($def->content_model) && + strpos($def->content_model, 'Inline') !== false) { + if ($name != 'del' && $name != 'ins') { + // this is for you, ins/del + $def->descendants_are_inline = true; + } + } + + $this->contentSets->generateChildDef($def, $module); + } + + // This can occur if there is a blank definition, but no base to + // mix it in with + if (!$def) { + return false; + } + + // add information on required attributes + foreach ($def->attr as $attr_name => $attr_def) { + if ($attr_def->required) { + $def->required_attr[] = $attr_name; + } + } + return $def; + } +} + +// vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/IDAccumulator.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/IDAccumulator.php new file mode 100644 index 0000000..65c902c --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/IDAccumulator.php @@ -0,0 +1,57 @@ +load($config->get('Attr.IDBlacklist')); + return $id_accumulator; + } + + /** + * Add an ID to the lookup table. + * @param string $id ID to be added. + * @return bool status, true if success, false if there's a dupe + */ + public function add($id) + { + if (isset($this->ids[$id])) { + return false; + } + return $this->ids[$id] = true; + } + + /** + * Load a list of IDs into the lookup table + * @param $array_of_ids Array of IDs to load + * @note This function doesn't care about duplicates + */ + public function load($array_of_ids) + { + foreach ($array_of_ids as $id) { + $this->ids[$id] = true; + } + } +} + +// vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Injector.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Injector.php new file mode 100644 index 0000000..116b470 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Injector.php @@ -0,0 +1,283 @@ +processToken() + * documentation. + * + * @todo Allow injectors to request a re-run on their output. This + * would help if an operation is recursive. + */ +abstract class HTMLPurifier_Injector +{ + + /** + * Advisory name of injector, this is for friendly error messages. + * @type string + */ + public $name; + + /** + * @type HTMLPurifier_HTMLDefinition + */ + protected $htmlDefinition; + + /** + * Reference to CurrentNesting variable in Context. This is an array + * list of tokens that we are currently "inside" + * @type array + */ + protected $currentNesting; + + /** + * Reference to current token. + * @type HTMLPurifier_Token + */ + protected $currentToken; + + /** + * Reference to InputZipper variable in Context. + * @type HTMLPurifier_Zipper + */ + protected $inputZipper; + + /** + * Array of elements and attributes this injector creates and therefore + * need to be allowed by the definition. Takes form of + * array('element' => array('attr', 'attr2'), 'element2') + * @type array + */ + public $needed = array(); + + /** + * Number of elements to rewind backwards (relative). + * @type bool|int + */ + protected $rewindOffset = false; + + /** + * Rewind to a spot to re-perform processing. This is useful if you + * deleted a node, and now need to see if this change affected any + * earlier nodes. Rewinding does not affect other injectors, and can + * result in infinite loops if not used carefully. + * @param bool|int $offset + * @warning HTML Purifier will prevent you from fast-forwarding with this + * function. + */ + public function rewindOffset($offset) + { + $this->rewindOffset = $offset; + } + + /** + * Retrieves rewind offset, and then unsets it. + * @return bool|int + */ + public function getRewindOffset() + { + $r = $this->rewindOffset; + $this->rewindOffset = false; + return $r; + } + + /** + * Prepares the injector by giving it the config and context objects: + * this allows references to important variables to be made within + * the injector. This function also checks if the HTML environment + * will work with the Injector (see checkNeeded()). + * @param HTMLPurifier_Config $config + * @param HTMLPurifier_Context $context + * @return bool|string Boolean false if success, string of missing needed element/attribute if failure + */ + public function prepare($config, $context) + { + $this->htmlDefinition = $config->getHTMLDefinition(); + // Even though this might fail, some unit tests ignore this and + // still test checkNeeded, so be careful. Maybe get rid of that + // dependency. + $result = $this->checkNeeded($config); + if ($result !== false) { + return $result; + } + $this->currentNesting =& $context->get('CurrentNesting'); + $this->currentToken =& $context->get('CurrentToken'); + $this->inputZipper =& $context->get('InputZipper'); + return false; + } + + /** + * This function checks if the HTML environment + * will work with the Injector: if p tags are not allowed, the + * Auto-Paragraphing injector should not be enabled. + * @param HTMLPurifier_Config $config + * @return bool|string Boolean false if success, string of missing needed element/attribute if failure + */ + public function checkNeeded($config) + { + $def = $config->getHTMLDefinition(); + foreach ($this->needed as $element => $attributes) { + if (is_int($element)) { + $element = $attributes; + } + if (!isset($def->info[$element])) { + return $element; + } + if (!is_array($attributes)) { + continue; + } + foreach ($attributes as $name) { + if (!isset($def->info[$element]->attr[$name])) { + return "$element.$name"; + } + } + } + return false; + } + + /** + * Tests if the context node allows a certain element + * @param string $name Name of element to test for + * @return bool True if element is allowed, false if it is not + */ + public function allowsElement($name) + { + if (!empty($this->currentNesting)) { + $parent_token = array_pop($this->currentNesting); + $this->currentNesting[] = $parent_token; + $parent = $this->htmlDefinition->info[$parent_token->name]; + } else { + $parent = $this->htmlDefinition->info_parent_def; + } + if (!isset($parent->child->elements[$name]) || isset($parent->excludes[$name])) { + return false; + } + // check for exclusion + if (!empty($this->currentNesting)) { + for ($i = count($this->currentNesting) - 2; $i >= 0; $i--) { + $node = $this->currentNesting[$i]; + $def = $this->htmlDefinition->info[$node->name]; + if (isset($def->excludes[$name])) { + return false; + } + } + } + return true; + } + + /** + * Iterator function, which starts with the next token and continues until + * you reach the end of the input tokens. + * @warning Please prevent previous references from interfering with this + * functions by setting $i = null beforehand! + * @param int $i Current integer index variable for inputTokens + * @param HTMLPurifier_Token $current Current token variable. + * Do NOT use $token, as that variable is also a reference + * @return bool + */ + protected function forward(&$i, &$current) + { + if ($i === null) { + $i = count($this->inputZipper->back) - 1; + } else { + $i--; + } + if ($i < 0) { + return false; + } + $current = $this->inputZipper->back[$i]; + return true; + } + + /** + * Similar to _forward, but accepts a third parameter $nesting (which + * should be initialized at 0) and stops when we hit the end tag + * for the node $this->inputIndex starts in. + * @param int $i Current integer index variable for inputTokens + * @param HTMLPurifier_Token $current Current token variable. + * Do NOT use $token, as that variable is also a reference + * @param int $nesting + * @return bool + */ + protected function forwardUntilEndToken(&$i, &$current, &$nesting) + { + $result = $this->forward($i, $current); + if (!$result) { + return false; + } + if ($nesting === null) { + $nesting = 0; + } + if ($current instanceof HTMLPurifier_Token_Start) { + $nesting++; + } elseif ($current instanceof HTMLPurifier_Token_End) { + if ($nesting <= 0) { + return false; + } + $nesting--; + } + return true; + } + + /** + * Iterator function, starts with the previous token and continues until + * you reach the beginning of input tokens. + * @warning Please prevent previous references from interfering with this + * functions by setting $i = null beforehand! + * @param int $i Current integer index variable for inputTokens + * @param HTMLPurifier_Token $current Current token variable. + * Do NOT use $token, as that variable is also a reference + * @return bool + */ + protected function backward(&$i, &$current) + { + if ($i === null) { + $i = count($this->inputZipper->front) - 1; + } else { + $i--; + } + if ($i < 0) { + return false; + } + $current = $this->inputZipper->front[$i]; + return true; + } + + /** + * Handler that is called when a text token is processed + */ + public function handleText(&$token) + { + } + + /** + * Handler that is called when a start or empty token is processed + */ + public function handleElement(&$token) + { + } + + /** + * Handler that is called when an end token is processed + */ + public function handleEnd(&$token) + { + $this->notifyEnd($token); + } + + /** + * Notifier that is called when an end token is processed + * @param HTMLPurifier_Token $token Current token variable. + * @note This differs from handlers in that the token is read-only + * @deprecated + */ + public function notifyEnd($token) + { + } +} + +// vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Injector/AutoParagraph.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Injector/AutoParagraph.php new file mode 100644 index 0000000..4afdd12 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Injector/AutoParagraph.php @@ -0,0 +1,356 @@ +armor['MakeWellFormed_TagClosedError'] = true; + return $par; + } + + /** + * @param HTMLPurifier_Token_Text $token + */ + public function handleText(&$token) + { + $text = $token->data; + // Does the current parent allow

        tags? + if ($this->allowsElement('p')) { + if (empty($this->currentNesting) || strpos($text, "\n\n") !== false) { + // Note that we have differing behavior when dealing with text + // in the anonymous root node, or a node inside the document. + // If the text as a double-newline, the treatment is the same; + // if it doesn't, see the next if-block if you're in the document. + + $i = $nesting = null; + if (!$this->forwardUntilEndToken($i, $current, $nesting) && $token->is_whitespace) { + // State 1.1: ... ^ (whitespace, then document end) + // ---- + // This is a degenerate case + } else { + if (!$token->is_whitespace || $this->_isInline($current)) { + // State 1.2: PAR1 + // ---- + + // State 1.3: PAR1\n\nPAR2 + // ------------ + + // State 1.4:

        PAR1\n\nPAR2 (see State 2) + // ------------ + $token = array($this->_pStart()); + $this->_splitText($text, $token); + } else { + // State 1.5: \n
        + // -- + } + } + } else { + // State 2:
        PAR1... (similar to 1.4) + // ---- + + // We're in an element that allows paragraph tags, but we're not + // sure if we're going to need them. + if ($this->_pLookAhead()) { + // State 2.1:
        PAR1PAR1\n\nPAR2 + // ---- + // Note: This will always be the first child, since any + // previous inline element would have triggered this very + // same routine, and found the double newline. One possible + // exception would be a comment. + $token = array($this->_pStart(), $token); + } else { + // State 2.2.1:
        PAR1
        + // ---- + + // State 2.2.2:
        PAR1PAR1
        + // ---- + } + } + // Is the current parent a

        tag? + } elseif (!empty($this->currentNesting) && + $this->currentNesting[count($this->currentNesting) - 1]->name == 'p') { + // State 3.1: ...

        PAR1 + // ---- + + // State 3.2: ...

        PAR1\n\nPAR2 + // ------------ + $token = array(); + $this->_splitText($text, $token); + // Abort! + } else { + // State 4.1: ...PAR1 + // ---- + + // State 4.2: ...PAR1\n\nPAR2 + // ------------ + } + } + + /** + * @param HTMLPurifier_Token $token + */ + public function handleElement(&$token) + { + // We don't have to check if we're already in a

        tag for block + // tokens, because the tag would have been autoclosed by MakeWellFormed. + if ($this->allowsElement('p')) { + if (!empty($this->currentNesting)) { + if ($this->_isInline($token)) { + // State 1:

        ... + // --- + // Check if this token is adjacent to the parent token + // (seek backwards until token isn't whitespace) + $i = null; + $this->backward($i, $prev); + + if (!$prev instanceof HTMLPurifier_Token_Start) { + // Token wasn't adjacent + if ($prev instanceof HTMLPurifier_Token_Text && + substr($prev->data, -2) === "\n\n" + ) { + // State 1.1.4:

        PAR1

        \n\n + // --- + // Quite frankly, this should be handled by splitText + $token = array($this->_pStart(), $token); + } else { + // State 1.1.1:

        PAR1

        + // --- + // State 1.1.2:

        + // --- + // State 1.1.3:
        PAR + // --- + } + } else { + // State 1.2.1:
        + // --- + // Lookahead to see if

        is needed. + if ($this->_pLookAhead()) { + // State 1.3.1:

        PAR1\n\nPAR2 + // --- + $token = array($this->_pStart(), $token); + } else { + // State 1.3.2:
        PAR1
        + // --- + + // State 1.3.3:
        PAR1
        \n\n
        + // --- + } + } + } else { + // State 2.3: ...
        + // ----- + } + } else { + if ($this->_isInline($token)) { + // State 3.1: + // --- + // This is where the {p} tag is inserted, not reflected in + // inputTokens yet, however. + $token = array($this->_pStart(), $token); + } else { + // State 3.2:
        + // ----- + } + + $i = null; + if ($this->backward($i, $prev)) { + if (!$prev instanceof HTMLPurifier_Token_Text) { + // State 3.1.1: ...

        {p} + // --- + // State 3.2.1: ...

        + // ----- + if (!is_array($token)) { + $token = array($token); + } + array_unshift($token, new HTMLPurifier_Token_Text("\n\n")); + } else { + // State 3.1.2: ...

        \n\n{p} + // --- + // State 3.2.2: ...

        \n\n
        + // ----- + // Note: PAR cannot occur because PAR would have been + // wrapped in

        tags. + } + } + } + } else { + // State 2.2: