149 lines
5.4 KiB
PHP
149 lines
5.4 KiB
PHP
<?php
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/**
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* Page Cache Ultimate, Page Cache standard and Speed pack are powered by Jpresta (jpresta . com)
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*
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* @author Jpresta
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* @copyright Jpresta
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* @license See the license of this module in file LICENSE.txt, thank you.
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*/
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use JPresta\SpeedPack\JprestaUtils;
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if (!defined('_PS_VERSION_')) {exit;}
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// Check existence of the class to be able to handle compatibility problems in a friendly way
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if (!class_exists('PageCacheCacheSimpleFS')) {
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class PageCacheCacheSimpleFS extends PageCacheCache
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{
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protected $extension;
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private $dir;
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private $log;
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public function __construct($dir, $log = false)
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{
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$this->dir = $dir;
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$this->log = $log;
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$this->extension = '.htm';
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}
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protected function storeContent($filepath, $content)
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{
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return file_put_contents($filepath, $content);
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}
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protected function readContent($filepath)
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{
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return Tools::file_get_contents($filepath);
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}
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public static function isCompatible()
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{
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// Always compatible
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return true;
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}
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private function getFilePath($url, $contextKey)
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{
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$key = md5($url . $contextKey);
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$subdir = $this->dir;
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for ($i = 0; $i < min(3, Tools::strlen($key)); $i++) {
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$subdir .= '/' . $key[$i];
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}
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$cache_file = $subdir . '/' . $key . $this->extension;
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return $cache_file;
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}
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public function get($url, $contextKey, $ttl = -1)
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{
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$cache_file = $this->getFilePath($url, $contextKey);
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$filemtime = @filemtime($cache_file);
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if ($filemtime && ($ttl < 0 or (microtime(true) - $filemtime < $ttl))) {
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return $this->readContent($cache_file);
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}
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return false;
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}
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public function set($url, $contextKey, $value, $ttl = -1)
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{
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$cache_file = $this->getFilePath($url, $contextKey);
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$cache_dir = dirname($cache_file);
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if (!file_exists($cache_dir)) {
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// Creates subdirectory with 777 to be sure it will work
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$grants = 0777;
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if (!@mkdir($cache_dir, $grants, true)) {
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$mkdirErrorArray = error_get_last();
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clearstatcache();
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if (!file_exists($cache_dir)) {
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if ($mkdirErrorArray !== null) {
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JprestaUtils::addLog("PageCache | Cannot create directory " . $cache_dir . " with grants $grants: " . $mkdirErrorArray['message'] . " (ttl=$ttl)",3);
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} else {
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JprestaUtils::addLog("PageCache | Cannot create directory " . $cache_dir . " with grants $grants (ttl=$ttl)",3);
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}
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}
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}
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}
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$write_ok = $this->storeContent($cache_file, $value);
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if ($write_ok === false) {
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$mkdirErrorArray = error_get_last();
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if ($mkdirErrorArray !== null) {
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JprestaUtils::addLog("PageCache | Cannot write file $cache_file: " . $mkdirErrorArray['message'], 3);
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} else {
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JprestaUtils::addLog("PageCache | Cannot write file $cache_file", 3);
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}
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} else {
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if ($this->log) {
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// Log debug
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$exists = file_exists($cache_file) ? 'true' : 'false';
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$date_infos = '';
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if (file_exists($cache_file)) {
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$now = date("d/m/Y H:i:s", microtime(true));
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$last_date = date("d/m/Y H:i:s", filemtime($cache_file));
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$date_infos = "now=$now file=$last_date";
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}
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JprestaUtils::addLog("PageCache | cached | cache_file=$cache_file exists=$exists $date_infos", 1, null,
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null, null, true);
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}
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}
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if ($write_ok !== false) {
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@chmod($cache_file, 0666);
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}
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}
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public function delete($url, $contextKey)
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{
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$cache_file = $this->getFilePath($url, $contextKey);
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return JprestaUtils::deleteFile($cache_file);
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}
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public function flush($timeoutSeconds = 0)
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{
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if (!JprestaUtils::deleteDirectory($this->dir, $timeoutSeconds)) {
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$obsoleteDirName = realpath($this->dir) . '_' . time() . '_please_delete_me';
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return JprestaUtils::rename(realpath($this->dir), $obsoleteDirName);
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}
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return true;
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}
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public function purge($timeoutSeconds = 0)
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{
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$startTime = microtime(true);
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// Get all directories matching the pattern "*_please_delete_me"
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$directories = glob(realpath($this->dir) . '_*_please_delete_me', GLOB_ONLYDIR);
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// Loop through each directory and delete it
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foreach ($directories as $directory) {
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if ((microtime(true) - $startTime) >= $timeoutSeconds) {
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break;
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}
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// Recursively delete the directory and its contents
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JprestaUtils::deleteDirectory($directory, $timeoutSeconds - (microtime(true) - $startTime));
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}
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}
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}
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}
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