/**
* Replace plugins with guid keys and store them in an array
*
* @param $data string data to be cleaned of plugins
* @param $noparsed array output array
*/
function plugins_remove(&$data, &$noparsed)
{
$matches = WikiParser_PluginMatcher::match($data);
// find the plugins
foreach ($matches as $match) {
// each plugin
$plugin = (string) $match;
$key = '§' . md5(TikiLib::genPass()) . '§';
// by replace whole plugin with a guid
$noparsed['key'][] = $key;
$noparsed['data'][] = $plugin;
}
$data = str_replace($noparsed['data'], $noparsed['key'], $data);
}
public function convertData($data)
{
//we store the original matches because we are about to change and update them, we need to get their fingerprint
$oldMatches = WikiParser_PluginMatcher::match($data);
// HTML-decode pages
$data = htmlspecialchars_decode($data);
// find the plugins
$matches = WikiParser_PluginMatcher::match($data);
$replaced = array();
$fingerPrintsOld = array();
foreach ($oldMatches as $match) {
$name = $match->getName();
$meta = $this->parserlib->plugin_info($name);
// only check fingerprints of plugins requiring validation
if (!empty($meta['validate'])) {
$args = $this->argumentParser->parse($match->getArguments());
//RobertPlummer - pre 9, latest findings from v8 is that the < and > chars are THE ONLY ones converted to < and > everything else seems to be decoded
$body = $match->getBody();
// jonnyb - pre 9.0, Tiki 6 (?) fingerprints are calculated with the undecoded body
$fingerPrint = $this->parserlib->plugin_fingerprint($name, $meta, $body, $args);
// so check the db for previously recorded plugins
if (!$this->parserlib->getOne('SELECT COUNT(*) FROM tiki_plugin_security WHERE fingerprint = ?', array($fingerPrint))) {
// jb but v 7 & 8 fingerprints may be calculated differently, so check both fully decoded and partially
$body = htmlspecialchars_decode($body);
$fingerPrint = $this->parserlib->plugin_fingerprint($name, $meta, $body, $args);
if (!$this->parserlib->getOne('SELECT COUNT(*) FROM tiki_plugin_security WHERE fingerprint = ?', array($fingerPrint))) {
$body = str_replace(array('<', '>'), array('<', '>'), $body);
$fingerPrint = $this->parserlib->plugin_fingerprint($name, $meta, $body, $args);
if (!$this->parserlib->getOne('SELECT COUNT(*) FROM tiki_plugin_security WHERE fingerprint = ?', array($fingerPrint))) {
// old fingerprint not found - what to do? Might be worth trying " chars too...
$fingerPrint = '';
}
}
}
$fingerPrintsOld[] = $fingerPrint;
}
}
$fingerPrintsNew = array();
// each plugin
foreach ($matches as $match) {
$name = $match->getName();
$meta = $this->parserlib->plugin_info($name);
$argsRaw = $match->getArguments();
//Here we detect if a plugin was double encoded and this is the second decode
//try to detect double encoding
if (preg_match("/&&/i", $argsRaw) || preg_match("/"/i", $argsRaw) || preg_match("/>/i", $argsRaw)) {
$argsRaw = htmlspecialchars_decode($argsRaw);
// decode entities in the plugin args (usually ")
}
$args = $this->argumentParser->parse($argsRaw);
$plugin = (string) $match;
$key = '§' . md5(TikiLib::genPass()) . '§';
// by replace whole plugin with a guid
$data = str_replace($plugin, $key, $data);
$body = $match->getBody();
// leave the bodies alone
$key2 = '§' . md5(TikiLib::genPass()) . '§';
// by replacing it with a guid
$plugin = str_replace($body, $key2, $plugin);
//Here we detect if a plugin was double encoded and this is the second decode
//try to detect double encoding
if (preg_match("/&&/i", $plugin) || preg_match("/"/i", $plugin) || preg_match("/>/i", $plugin)) {
$plugin = htmlspecialchars_decode($plugin);
// decode entities in the plugin args (usually ")
}
$plugin = str_replace($key2, $body, $plugin);
// finally put the body back
$replaced['key'][] = $key;
$replaced['data'][] = $plugin;
// store the decoded-args plugin for replacement later
// only check fingerprints of plugins requiring validation
if (!empty($meta['validate'])) {
$fingerPrintsNew[] = $this->parserlib->plugin_fingerprint($name, $meta, $body, $args);
}
}
$this->parserlib->plugins_replace($data, $replaced);
// put the plugins back into the page
return array("data" => $data, "fingerPrintsOld" => $fingerPrintsOld, "fingerPrintsNew" => $fingerPrintsNew);
}
