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<?php
// cache & synchronise class
class synccache{
var $cachePath;
var $showReport;
var $deletedfiles = array();
function setCachepath($path) {
$this->cachePath = $path;
}
function setReport($bool) {
$this->showReport = $bool;
}
function escapeDoubleQuotes($s) {
$q1 = array("\\","\"","\r","\n","\$");
$q2 = array("\\\\","\\\"","\\r","\\n","\\$");
return str_replace($q1,$q2,$s);
}
function escapeSingleQuotes($s) {
$q1 = array("\\","'");
$q2 = array("\\\\","\\'");
return str_replace($q1,$q2,$s);
}
function getParents($id, $path = '') { // modx:returns child's parent
global $dbase, $table_prefix;
$sql = "SELECT id, alias, parent FROM $dbase.`".$table_prefix."site_content` WHERE id = '$id'";
$qh = mysql_query($sql);
if ($qh && mysql_num_rows($qh) > 0) {
$row = mysql_fetch_assoc($qh);
$path = ($row['alias'] ? $row['alias'] : $row['id']) . ($path != '' ? '/' : '') . $path;
mysql_free_result( $qh );
return $this->getParents($row['parent'], $path);
}
return $path;
}
function emptyCache() {
if(!isset($this->cachePath)) {
echo "Cache path not set.";
exit;
}
$filesincache = 0;
$deletedfilesincache = 0;
if (function_exists('glob')) {
// New and improved!
$files = glob(realpath($this->cachePath).'/*');
$filesincache = count($files);
$deletedfiles = array();
while ($file = array_shift($files)) {
$name = basename($file);
if (preg_match('/\.pageCache/',$name) && !in_array($name, $deletedfiles)) {
$deletedfilesincache++;
$deletedfiles[] = $name;
unlink($file);
}
}
} else {
// Old way of doing it (no glob function available)
if ($handle = opendir($this->cachePath)) {
// Initialize deleted per round counter
$deletedThisRound = 1;
while ($deletedThisRound){
if(!$handle) $handle = opendir($this->cachePath);
$deletedThisRound = 0;
while (false !== ($file = readdir($handle))) {
if ($file != "." && $file != "..") {
$filesincache += 1;
if ( preg_match("/\.pageCache/", $file) && (!is_array($deletedfiles) || !array_search($file,$deletedfiles)) ) {
$deletedfilesincache += 1;
$deletedThisRound++;
$deletedfiles[] = $file;
unlink($this->cachePath.$file);
} // End if
} // End if
} // End while
closedir($handle);
$handle = '';
} // End while ($deletedThisRound)
}
}
/****************************************************************************/
/* BUILD CACHE FILES */
/****************************************************************************/
global $modx;
global $dbase, $table_prefix;
$tmpPHP = "<?php\n";
// SETTINGS & DOCUMENT LISTINGS CACHE
// get settings
$sql = "SELECT * FROM $dbase.`".$table_prefix."system_settings`";
$rs = mysql_query($sql);
$limit_tmp = mysql_num_rows($rs);
$config = array();
$tmpPHP .= '$c=&$this->config;'."\n";
while(list($key,$value) = mysql_fetch_row($rs)) {
$tmpPHP .= '$c[\''.$key.'\']'.' = "'.$this->escapeDoubleQuotes($value).'"'.";\n";
$config[$key] = $value;
}
// get aliases modx: support for alias path
$tmpPath = '';
$tmpPHP .= '$this->aliasListing = array();' . "\n";
$tmpPHP .= '$a = &$this->aliasListing;' . "\n";
$tmpPHP .= '$d = &$this->documentListing;' . "\n";
$tmpPHP .= '$m = &$this->documentMap;' . "\n";
$sql = "SELECT IF(alias='', id, alias) AS alias, id, contentType, parent FROM $dbase.`".$table_prefix."site_content` ORDER BY parent, menuindex";
$rs = mysql_query($sql);
$limit_tmp = mysql_num_rows($rs);
for ($i_tmp=0; $i_tmp<$limit_tmp; $i_tmp++) {
$tmp1 = mysql_fetch_assoc($rs);
if ($config['friendly_urls'] == 1 && $config['use_alias_path'] == 1) {
$tmpPath = $this->getParents($tmp1['parent']);
$alias= (strlen($tmpPath) > 0 ? "$tmpPath/" : '').$tmp1['alias'];
$alias= mysql_escape_string($alias);
$tmpPHP .= '$d[\''.$alias.'\']'." = ".$tmp1['id'].";\n";
}
else {
$tmpPHP .= '$d[\''.mysql_escape_string($tmp1['alias']).'\']'." = ".$tmp1['id'].";\n";
}
$tmpPHP .= '$a[' . $tmp1['id'] . ']'." = array('id' => ".$tmp1['id'].", 'alias' => '".mysql_escape_string($tmp1['alias'])."', 'path' => '" . mysql_escape_string($tmpPath). "');\n";
$tmpPHP .= '$m[]'." = array('".$tmp1['parent']."' => '".$tmp1['id']."');\n";
}
// get content types
$sql = "SELECT id, contentType FROM $dbase.`".$table_prefix."site_content`";
$rs = mysql_query($sql);
$limit_tmp = mysql_num_rows($rs);
$tmpPHP .= '$c = &$this->contentTypes;' . "\n";
for ($i_tmp=0; $i_tmp<$limit_tmp; $i_tmp++) {
$tmp1 = mysql_fetch_assoc($rs);
$tmpPHP .= '$c['.$tmp1['id'].']'." = '".$tmp1['contentType']."';\n";
}
// WRITE Chunks to cache file
$sql = "SELECT * FROM $dbase.`".$table_prefix."site_htmlsnippets`";
$rs = mysql_query($sql);
$limit_tmp = mysql_num_rows($rs);
$tmpPHP .= '$c = &$this->chunkCache;' . "\n";
for ($i_tmp=0; $i_tmp<$limit_tmp; $i_tmp++) {
$tmp1 = mysql_fetch_assoc($rs);
$tmpPHP .= '$c[\''.mysql_escape_string($tmp1['name']).'\']'." = '".$this->escapeSingleQuotes($tmp1['snippet'])."';\n";
}
// WRITE snippets to cache file
$sql = "SELECT ss.*,sm.properties as `sharedproperties` ".
"FROM $dbase.`".$table_prefix."site_snippets` ss ".
"LEFT JOIN $dbase.`".$table_prefix."site_modules` sm on sm.guid=ss.moduleguid ";
$rs = mysql_query($sql);
$limit_tmp = mysql_num_rows($rs);
$tmpPHP .= '$s = &$this->snippetCache;' . "\n";
for ($i_tmp=0; $i_tmp<$limit_tmp; $i_tmp++) {
$tmp1 = mysql_fetch_assoc($rs);
$tmpPHP .= '$s[\''.mysql_escape_string($tmp1['name']).'\']'." = '".$this->escapeSingleQuotes($tmp1['snippet'])."';\n";
// Raymond: save snippet properties to cache
if ($tmp1['properties']!=""||$tmp1['sharedproperties']!="") $tmpPHP .= '$s[\''.$tmp1['name'].'Props\']'." = '".$this->escapeSingleQuotes($tmp1['properties']." ".$tmp1['sharedproperties'])."';\n";
// End mod
}
// WRITE plugins to cache file
$sql = "SELECT sp.*,sm.properties as 'sharedproperties' ".
"FROM $dbase.`".$table_prefix."site_plugins` sp " .
"LEFT JOIN $dbase.`".$table_prefix."site_modules` sm on sm.guid=sp.moduleguid " .
"WHERE sp.disabled=0";
$rs = mysql_query($sql);
$limit_tmp = mysql_num_rows($rs);
$tmpPHP .= '$p = &$this->pluginCache;' . "\n";
for ($i_tmp=0; $i_tmp<$limit_tmp; $i_tmp++) {
$tmp1 = mysql_fetch_assoc($rs);
$tmpPHP .= '$p[\''.mysql_escape_string($tmp1['name']).'\']'." = '".$this->escapeSingleQuotes($tmp1['plugincode'])."';\n";
if ($tmp1['properties']!=""||$tmp1['sharedproperties']!="") $tmpPHP .= '$p[\''.$tmp1['name'].'Props\']'." = '".$this->escapeSingleQuotes($tmp1['properties']." ".$tmp1['sharedproperties'])."';\n";
}
// WRITE system event triggers
$sql = "
SELECT sysevt.name as 'evtname', pe.pluginid, plugs.name
FROM $dbase.`".$table_prefix."system_eventnames` sysevt
INNER JOIN $dbase.`".$table_prefix."site_plugin_events` pe ON pe.evtid = sysevt.id
INNER JOIN $dbase.`".$table_prefix."site_plugins` plugs ON plugs.id = pe.pluginid
WHERE plugs.disabled=0
ORDER BY sysevt.name,pe.priority
";
$events = array();
$rs = mysql_query($sql);
$limit_tmp = mysql_num_rows($rs);
$tmpPHP .= '$e = &$this->pluginEvent;' . "\n";
for ($i=0; $i<$limit_tmp; $i++) {
$evt = mysql_fetch_assoc($rs);
if(!$events[$evt['evtname']]) $events[$evt['evtname']] = array();
$events[$evt['evtname']][] = $evt['name'];
}
foreach($events as $evtname => $pluginnames) {
$tmpPHP .= '$e[\''.$evtname.'\'] = array(\''.implode("','",$pluginnames)."');\n";
}
// close and write the file
$tmpPHP .= "?>";
$filename = $this->cachePath.'siteCache.idx.php';
$somecontent = $tmpPHP;
// invoke OnBeforeCacheUpdate event
if ($modx) $modx->invokeEvent("OnBeforeCacheUpdate");
if (!$handle = fopen($filename, 'w')) {
echo "Cannot open file ($filename)";
exit;
}
// Write $somecontent to our opened file.
if (fwrite($handle, $somecontent) === FALSE) {
echo "Cannot write main MODx cache file! Make sure the assets/cache directory is writable!";
exit;
}
fclose($handle);
// invoke OnCacheUpdate event
if ($modx) $modx->invokeEvent("OnCacheUpdate");
/****************************************************************************/
/* END OF BUILD CACHE FILES */
/* PUBLISH TIME FILE */
/****************************************************************************/
// update publish time file
$timesArr = array();
$sql = "SELECT MIN(pub_date) AS minpub FROM $dbase.`".$table_prefix."site_content` WHERE pub_date>".time();
if(@!$result = mysql_query($sql)) {
echo "Couldn't determine next publish event!";
}
$tmpRow = mysql_fetch_assoc($result);
$minpub = $tmpRow['minpub'];
if($minpub!=NULL) {
$timesArr[] = $minpub;
}
$sql = "SELECT MIN(unpub_date) AS minunpub FROM $dbase.`".$table_prefix."site_content` WHERE unpub_date>".time();
if(@!$result = mysql_query($sql)) {
echo "Couldn't determine next unpublish event!";
}
$tmpRow = mysql_fetch_assoc($result);
$minunpub = $tmpRow['minunpub'];
if($minunpub!=NULL) {
$timesArr[] = $minunpub;
}
if(count($timesArr)>0) {
$nextevent = min($timesArr);
} else {
$nextevent = 0;
}
// write the file
$filename = $this->cachePath.'/sitePublishing.idx.php';
$somecontent = "<?php \$cacheRefreshTime=$nextevent; ?>";
if (!$handle = fopen($filename, 'w')) {
echo "Cannot open file ($filename)";
exit;
}
// Write $somecontent to our opened file.
if (fwrite($handle, $somecontent) === FALSE) {
echo "Cannot write publishing info file! Make sure the assets/cache directory is writable!";
exit;
}
fclose($handle);
/****************************************************************************/
/* END OF PUBLISH TIME FILE */
/****************************************************************************/
// finished cache stuff.
if($this->showReport==true) {
global $_lang;
printf($_lang["refresh_cache"], $filesincache, $deletedfilesincache);
$limit = count($deletedfiles);
if($limit > 0) {
echo "<p />".$_lang['cache_files_deleted']."<ul>";
for($i=0;$i<$limit; $i++) {
echo "<li>".$deletedfiles[$i]."</li>";
}
echo "</ul>";
}
}
}
}
?>