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<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
* This is in a separate script because it's called from a number of scripts
*
* @version $Id: sanitizing.lib.php 11986 2008-11-24 11:05:40Z nijel $
* @package phpMyAdmin
*/
/**
* Sanitizes $message, taking into account our special codes
* for formatting
*
* @uses preg_replace()
* @uses strtr()
* @param string the message
*
* @return string the sanitized message
*
* @access public
*/
function PMA_sanitize($message)
{
$replace_pairs = array(
'<' => '<',
'>' => '>',
'[i]' => '<em>', // deprecated by em
'[/i]' => '</em>', // deprecated by em
'[em]' => '<em>',
'[/em]' => '</em>',
'[b]' => '<strong>', // deprecated by strong
'[/b]' => '</strong>', // deprecated by strong
'[strong]' => '<strong>',
'[/strong]' => '</strong>',
'[tt]' => '<code>', // deprecated by CODE or KBD
'[/tt]' => '</code>', // deprecated by CODE or KBD
'[code]' => '<code>',
'[/code]' => '</code>',
'[kbd]' => '<kbd>',
'[/kbd]' => '</kbd>',
'[br]' => '<br />',
'[/a]' => '</a>',
'[sup]' => '<sup>',
'[/sup]' => '</sup>',
);
$message = strtr($message, $replace_pairs);
$pattern = '/\[a@([^"@]*)@([^]"]*)\]/';
if (preg_match_all($pattern, $message, $founds, PREG_SET_ORDER)) {
$valid_links = array(
'http', // default http:// links (and https://)
'./Do', // ./Documentation
);
foreach ($founds as $found) {
// only http... and ./Do... allowed
if (! in_array(substr($found[1], 0, 4), $valid_links)) {
return $message;
}
// a-z and _ allowed in target
if (! empty($found[2]) && preg_match('/[^a-z_]+/i', $found[2])) {
return $message;
}
}
$message = preg_replace($pattern, '<a href="\1" target="\2">', $message);
}
return $message;
}
?>
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