&1', 'r');
if ($f === false) {
print 'Cannot access gpio' . "\n";
die();
}
$l = trim(fgets($f));
pclose($f);
if ($l == '') {
print 'Cannot read gpio - is it installed?' . "\n";
die();
}
if (array_key_exists('HTTPS', $_SERVER)
&& ($_SERVER['HTTPS'] == 'on'))
$https = true;
else
$https = false;
function push_it() {
if (!array_key_exists('password', $_POST))
return;
$f = fopen('../password', 'r');
if ($f === false) {
print 'Cannot read password file
' . "\n";
return;
}
$saved_hash = trim(fgets($f));
fclose($f);
$entered_hash = $_POST['password'];
for ($i=0; $i<1000; $i++)
$entered_hash = hash('sha512', $entered_hash . $i . $_POST['password']);
if ($saved_hash != $entered_hash) {
print 'Wrong password: ' . $entered_hash . '
' . "\n";
return;
}
foreach ($_POST as $key => $dummy)
if (preg_match('/^push_([0-9]+)$/', $key, $duration))
break;
if (count($duration) != 2)
return;
$duration = $duration[1];
if (($duration > 0)
&& ($duration < 300)) {
print 'pushing for ' . ($duration * 0.1) . ' seconds ...
' . "\n";
shell_exec('/usr/bin/gpio write 3 1');
flush();
usleep(100000 * $duration);
shell_exec('/usr/bin/gpio write 3 0');
print '... done
' . "\n";
}
}
print '' . "\n";
print '' . "\n";
print 'fenster lights-out' . "\n";
if (array_key_exists('password', $_POST))
print '' . "\n";
print '' . "\n";
print '' . "\n";
print 'Fenster is currently ';
if ($l == '1')
print 'off';
else
print 'on';
print '
' . "\n";
if ($https) {
push_it();
print '' . "\n";
}
print '' . "\n";
print '' . "\n";