90 lines
2.6 KiB
PHP
90 lines
2.6 KiB
PHP
<?php
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/* vim: set expandtab sw=4 ts=4 sts=4: */
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/**
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* This is in a separate script because it's called from a number of scripts
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*
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* @package phpMyAdmin
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*/
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/**
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* Sanitizes $message, taking into account our special codes
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* for formatting.
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*
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* If you want to include result in element attribute, you should escape it.
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*
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* Examples:
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*
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* <p><?php echo PMA_sanitize($foo); ?></p>
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*
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* <a title="<?php echo PMA_sanitize($foo, true); ?>">bar</a>
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*
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* @uses preg_replace()
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* @uses strtr()
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* @param string the message
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* @param boolean whether to escape html in result
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*
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* @return string the sanitized message
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*
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* @access public
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*/
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function PMA_sanitize($message, $escape = false, $safe = false)
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{
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if (!$safe) {
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$message = strtr($message, array('<' => '<', '>' => '>'));
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}
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$replace_pairs = array(
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'[i]' => '<em>', // deprecated by em
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'[/i]' => '</em>', // deprecated by em
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'[em]' => '<em>',
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'[/em]' => '</em>',
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'[b]' => '<strong>', // deprecated by strong
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'[/b]' => '</strong>', // deprecated by strong
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'[strong]' => '<strong>',
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'[/strong]' => '</strong>',
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'[tt]' => '<code>', // deprecated by CODE or KBD
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'[/tt]' => '</code>', // deprecated by CODE or KBD
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'[code]' => '<code>',
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'[/code]' => '</code>',
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'[kbd]' => '<kbd>',
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'[/kbd]' => '</kbd>',
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'[br]' => '<br />',
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'[/a]' => '</a>',
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'[sup]' => '<sup>',
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'[/sup]' => '</sup>',
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);
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$message = strtr($message, $replace_pairs);
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$pattern = '/\[a@([^"@]*)@([^]"]*)\]/';
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if (preg_match_all($pattern, $message, $founds, PREG_SET_ORDER)) {
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$valid_links = array(
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'http', // default http:// links (and https://)
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'./Do', // ./Documentation
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);
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foreach ($founds as $found) {
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// only http... and ./Do... allowed
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if (! in_array(substr($found[1], 0, 4), $valid_links)) {
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return $message;
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}
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// a-z and _ allowed in target
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if (! empty($found[2]) && preg_match('/[^a-z_]+/i', $found[2])) {
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return $message;
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}
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}
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if (substr($found[1], 0, 4) == 'http') {
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$message = preg_replace($pattern, '<a href="' . PMA_linkURL($found[1]) . '" target="\2">', $message);
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} else {
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$message = preg_replace($pattern, '<a href="\1" target="\2">', $message);
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}
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}
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if ($escape) {
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$message = htmlspecialchars($message);
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}
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return $message;
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}
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?>
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