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Code Issues Releases Wiki Activity

Update cache handling

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e107steved
2009-02-01 16:18:08 +00:00
parent 66f7b472bf
commit 1afc7a612c
1 changed files with 23 additions and 9 deletions
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32
e107_handlers/cache_handler.php
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@@ -12,19 +12,21 @@
| GNU General Public License (http://gnu.org). | GNU General Public License (http://gnu.org).
| |
| $Source: /cvs_backup/e107_0.8/e107_handlers/cache_handler.php,v $ | $Source: /cvs_backup/e107_0.8/e107_handlers/cache_handler.php,v $
| $Revision: 1.10 $ | $Revision: 1.11 $
| $Date: 2008-12-20 10:39:23 $ | $Date: 2009-02-01 16:18:08 $
| $Author: e107steved $ | $Author: e107steved $
+----------------------------------------------------------------------------+ +----------------------------------------------------------------------------+
*/ */
if (!defined('e107_INIT')) { exit; } if (!defined('e107_INIT')) { exit; }
define('CACHE_PREFIX','<?phpexit;');
/** /**
* Class to cache data as files, improving site speed and throughput. * Class to cache data as files, improving site speed and throughput.
* *
* @package e107 * @package e107
* @version $Revision: 1.10 $ * @version $Revision: 1.11 $
* @author $Author: e107steved $ * @author $Author: e107steved $
*/ */
class ecache { class ecache {
@@ -103,18 +105,29 @@ class ecache {
* @desc Returns the data from the cache file associated with $query, else it returns false if there is no cache for $query. * @desc Returns the data from the cache file associated with $query, else it returns false if there is no cache for $query.
* @scope public * @scope public
*/ */
function retrieve($CacheTag, $MaximumAge = false, $ForcedCheck = false, $syscache = false) { function retrieve($CacheTag, $MaximumAge = false, $ForcedCheck = false, $syscache = false)
{
global $pref, $tp; global $pref, $tp;
if(($ForcedCheck != false ) || ($syscache == false && varsettrue($pref['cachestatus'])) || ($syscache == true && varsettrue($pref['syscachestatus'])) && !$tp->checkHighlighting()) if(($ForcedCheck != false ) || ($syscache == false && varsettrue($pref['cachestatus'])) || ($syscache == true && varsettrue($pref['syscachestatus'])) && !$tp->checkHighlighting())
{ {
$cache_file = (isset($this) ? $this->cache_fname($CacheTag, $syscache) : ecache::cache_fname($CacheTag, $syscache)); $cache_file = (isset($this) ? $this->cache_fname($CacheTag, $syscache) : ecache::cache_fname($CacheTag, $syscache));
if (file_exists($cache_file)) { if (file_exists($cache_file))
{
if ($MaximumAge != false && (filemtime($cache_file) + ($MaximumAge * 60)) < time()) { if ($MaximumAge != false && (filemtime($cache_file) + ($MaximumAge * 60)) < time()) {
unlink($cache_file); unlink($cache_file);
return false; return false;
} else { }
else
{
$ret = file_get_contents($cache_file); $ret = file_get_contents($cache_file);
$ret = substr($ret, 5); if (substr($ret,0,strlen(CACHE_PREFIX)) == CACHE_PREFIX)
{
$ret = substr($ret, strlen(CACHE_PREFIX));
}
else
{
$ret = substr($ret, 5); // Handle the history for now
}
return $ret; return $ret;
} }
} else { } else {
@@ -153,12 +166,13 @@ class ecache {
* @desc Creates / overwrites the cache file for $query, $text is the data to store for $query. * @desc Creates / overwrites the cache file for $query, $text is the data to store for $query.
* @scope public * @scope public
*/ */
function set($CacheTag, $Data, $ForceCache = false, $bRaw=0, $syscache = false) { function set($CacheTag, $Data, $ForceCache = false, $bRaw=0, $syscache = false)
{
global $pref, $FILES_DIRECTORY, $tp; global $pref, $FILES_DIRECTORY, $tp;
if(($ForceCache != false ) || ($syscache == false && varsettrue($pref['cachestatus'])) || ($syscache == true && varsettrue($pref['syscachestatus'])) && !$tp->checkHighlighting()) if(($ForceCache != false ) || ($syscache == false && varsettrue($pref['cachestatus'])) || ($syscache == true && varsettrue($pref['syscachestatus'])) && !$tp->checkHighlighting())
{ {
$cache_file = (isset($this) ? $this->cache_fname($CacheTag, $syscache) : ecache::cache_fname($CacheTag, $syscache)); $cache_file = (isset($this) ? $this->cache_fname($CacheTag, $syscache) : ecache::cache_fname($CacheTag, $syscache));
file_put_contents($cache_file, ($bRaw? $Data : '<?php'.$Data) ); file_put_contents($cache_file, ($bRaw? $Data : CACHE_PREFIX.$Data) );
@chmod($cache_file, 0755); //Cache should not be world-writeable @chmod($cache_file, 0755); //Cache should not be world-writeable
@touch($cache_file); @touch($cache_file);
} }