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Diffstat (limited to 'vendor/swiftmailer/swiftmailer/lib/classes/Swift/Mime/Headers/ParameterizedHeader.php')
| -rw-r--r-- | vendor/swiftmailer/swiftmailer/lib/classes/Swift/Mime/Headers/ParameterizedHeader.php | 258 |
1 files changed, 258 insertions, 0 deletions
diff --git a/vendor/swiftmailer/swiftmailer/lib/classes/Swift/Mime/Headers/ParameterizedHeader.php b/vendor/swiftmailer/swiftmailer/lib/classes/Swift/Mime/Headers/ParameterizedHeader.php new file mode 100644 index 0000000..c1777d3 --- /dev/null +++ b/vendor/swiftmailer/swiftmailer/lib/classes/Swift/Mime/Headers/ParameterizedHeader.php @@ -0,0 +1,258 @@ +<?php + +/* + * This file is part of SwiftMailer. + * (c) 2004-2009 Chris Corbyn + * + * For the full copyright and license information, please view the LICENSE + * file that was distributed with this source code. + */ + +/** + * An abstract base MIME Header. + * + * @author Chris Corbyn + */ +class Swift_Mime_Headers_ParameterizedHeader extends Swift_Mime_Headers_UnstructuredHeader implements Swift_Mime_ParameterizedHeader +{ + /** + * RFC 2231's definition of a token. + * + * @var string + */ + const TOKEN_REGEX = '(?:[\x21\x23-\x27\x2A\x2B\x2D\x2E\x30-\x39\x41-\x5A\x5E-\x7E]+)'; + + /** + * The Encoder used to encode the parameters. + * + * @var Swift_Encoder + */ + private $_paramEncoder; + + /** + * The parameters as an associative array. + * + * @var string[] + */ + private $_params = array(); + + /** + * Creates a new ParameterizedHeader with $name. + * + * @param string $name + * @param Swift_Mime_HeaderEncoder $encoder + * @param Swift_Encoder $paramEncoder, optional + * @param Swift_Mime_Grammar $grammar + */ + public function __construct($name, Swift_Mime_HeaderEncoder $encoder, Swift_Encoder $paramEncoder = null, Swift_Mime_Grammar $grammar) + { + parent::__construct($name, $encoder, $grammar); + $this->_paramEncoder = $paramEncoder; + } + + /** + * Get the type of Header that this instance represents. + * + * @see TYPE_TEXT, TYPE_PARAMETERIZED, TYPE_MAILBOX + * @see TYPE_DATE, TYPE_ID, TYPE_PATH + * + * @return int + */ + public function getFieldType() + { + return self::TYPE_PARAMETERIZED; + } + + /** + * Set the character set used in this Header. + * + * @param string $charset + */ + public function setCharset($charset) + { + parent::setCharset($charset); + if (isset($this->_paramEncoder)) { + $this->_paramEncoder->charsetChanged($charset); + } + } + + /** + * Set the value of $parameter. + * + * @param string $parameter + * @param string $value + */ + public function setParameter($parameter, $value) + { + $this->setParameters(array_merge($this->getParameters(), array($parameter => $value))); + } + + /** + * Get the value of $parameter. + * + * @param string $parameter + * + * @return string + */ + public function getParameter($parameter) + { + $params = $this->getParameters(); + + return array_key_exists($parameter, $params) ? $params[$parameter] : null; + } + + /** + * Set an associative array of parameter names mapped to values. + * + * @param string[] $parameters + */ + public function setParameters(array $parameters) + { + $this->clearCachedValueIf($this->_params != $parameters); + $this->_params = $parameters; + } + + /** + * Returns an associative array of parameter names mapped to values. + * + * @return string[] + */ + public function getParameters() + { + return $this->_params; + } + + /** + * Get the value of this header prepared for rendering. + * + * @return string + */ + public function getFieldBody() //TODO: Check caching here + { + $body = parent::getFieldBody(); + foreach ($this->_params as $name => $value) { + if (null !== $value) { + // Add the parameter + $body .= '; '.$this->_createParameter($name, $value); + } + } + + return $body; + } + + /** + * Generate a list of all tokens in the final header. + * + * This doesn't need to be overridden in theory, but it is for implementation + * reasons to prevent potential breakage of attributes. + * + * @param string $string The string to tokenize + * + * @return array An array of tokens as strings + */ + protected function toTokens($string = null) + { + $tokens = parent::toTokens(parent::getFieldBody()); + + // Try creating any parameters + foreach ($this->_params as $name => $value) { + if (null !== $value) { + // Add the semi-colon separator + $tokens[count($tokens) - 1] .= ';'; + $tokens = array_merge($tokens, $this->generateTokenLines( + ' '.$this->_createParameter($name, $value) + )); + } + } + + return $tokens; + } + + /** + * Render a RFC 2047 compliant header parameter from the $name and $value. + * + * @param string $name + * @param string $value + * + * @return string + */ + private function _createParameter($name, $value) + { + $origValue = $value; + + $encoded = false; + // Allow room for parameter name, indices, "=" and DQUOTEs + $maxValueLength = $this->getMaxLineLength() - strlen($name.'=*N"";') - 1; + $firstLineOffset = 0; + + // If it's not already a valid parameter value... + if (!preg_match('/^'.self::TOKEN_REGEX.'$/D', $value)) { + // TODO: text, or something else?? + // ... and it's not ascii + if (!preg_match('/^'.$this->getGrammar()->getDefinition('text').'*$/D', $value)) { + $encoded = true; + // Allow space for the indices, charset and language + $maxValueLength = $this->getMaxLineLength() - strlen($name.'*N*="";') - 1; + $firstLineOffset = strlen( + $this->getCharset()."'".$this->getLanguage()."'" + ); + } + } + + // Encode if we need to + if ($encoded || strlen($value) > $maxValueLength) { + if (isset($this->_paramEncoder)) { + $value = $this->_paramEncoder->encodeString( + $origValue, $firstLineOffset, $maxValueLength, $this->getCharset() + ); + } else { + // We have to go against RFC 2183/2231 in some areas for interoperability + $value = $this->getTokenAsEncodedWord($origValue); + $encoded = false; + } + } + + $valueLines = isset($this->_paramEncoder) ? explode("\r\n", $value) : array($value); + + // Need to add indices + if (count($valueLines) > 1) { + $paramLines = array(); + foreach ($valueLines as $i => $line) { + $paramLines[] = $name.'*'.$i. + $this->_getEndOfParameterValue($line, true, $i == 0); + } + + return implode(";\r\n ", $paramLines); + } else { + return $name.$this->_getEndOfParameterValue( + $valueLines[0], $encoded, true + ); + } + } + + /** + * Returns the parameter value from the "=" and beyond. + * + * @param string $value to append + * @param bool $encoded + * @param bool $firstLine + * + * @return string + */ + private function _getEndOfParameterValue($value, $encoded = false, $firstLine = false) + { + if (!preg_match('/^'.self::TOKEN_REGEX.'$/D', $value)) { + $value = '"'.$value.'"'; + } + $prepend = '='; + if ($encoded) { + $prepend = '*='; + if ($firstLine) { + $prepend = '*='.$this->getCharset()."'".$this->getLanguage(). + "'"; + } + } + + return $prepend.$value; + } +} |