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<?php |
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if ( ! defined( 'ABSPATH' ) ) exit; // Exit if accessed directly |
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class autoptimizeCache { |
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private $filename; |
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private $mime; |
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private $cachedir; |
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private $delayed; |
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public function __construct($md5,$ext='php') { |
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$this->cachedir = AUTOPTIMIZE_CACHE_DIR; |
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$this->delayed = AUTOPTIMIZE_CACHE_DELAY; |
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$this->nogzip = AUTOPTIMIZE_CACHE_NOGZIP; |
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if($this->nogzip == false) { |
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$this->filename = AUTOPTIMIZE_CACHEFILE_PREFIX.$md5.'.php'; |
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} else { |
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if (in_array($ext, array("js","css"))) { |
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$this->filename = $ext.'/'.AUTOPTIMIZE_CACHEFILE_PREFIX.$md5.'.'.$ext; |
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} else { |
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$this->filename = AUTOPTIMIZE_CACHEFILE_PREFIX.$md5.'.'.$ext; |
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} |
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} |
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} |
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public function check() { |
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if(!file_exists($this->cachedir.$this->filename)) { |
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// No cached file, sorry |
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return false; |
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} |
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// Cache exists! |
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return true; |
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} |
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public function retrieve() { |
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if($this->check()) { |
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if($this->nogzip == false) { |
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return file_get_contents($this->cachedir.$this->filename.'.none'); |
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} else { |
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return file_get_contents($this->cachedir.$this->filename); |
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} |
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} |
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return false; |
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} |
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public function cache($code,$mime) { |
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if($this->nogzip == false) { |
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$file = ($this->delayed ? 'delayed.php' : 'default.php'); |
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$phpcode = file_get_contents(AUTOPTIMIZE_PLUGIN_DIR.'/config/'.$file); |
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$phpcode = str_replace(array('%%CONTENT%%','exit;'),array($mime,''),$phpcode); |
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file_put_contents($this->cachedir.$this->filename,$phpcode, LOCK_EX); |
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file_put_contents($this->cachedir.$this->filename.'.none',$code, LOCK_EX); |
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View Code Duplication |
if(!$this->delayed) { |
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// Compress now! |
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file_put_contents($this->cachedir.$this->filename.'.deflate',gzencode($code,9,FORCE_DEFLATE), LOCK_EX); |
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file_put_contents($this->cachedir.$this->filename.'.gzip',gzencode($code,9,FORCE_GZIP), LOCK_EX); |
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} |
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View Code Duplication |
} else { |
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// Write code to cache without doing anything else |
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file_put_contents($this->cachedir.$this->filename,$code, LOCK_EX); |
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if (apply_filters('autoptimize_filter_cache_create_static_gzip', false)) { |
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// Create an additional cached gzip file |
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file_put_contents($this->cachedir.$this->filename.'.gz', gzencode($code,9,FORCE_GZIP), LOCK_EX); |
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} |
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} |
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} |
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public function getname() { |
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apply_filters('autoptimize_filter_cache_getname',AUTOPTIMIZE_CACHE_URL.$this->filename); |
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return $this->filename; |
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} |
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static function clearall() { |
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if(!autoptimizeCache::cacheavail()) { |
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return false; |
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} |
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// scan the cachedirs |
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View Code Duplication |
foreach (array("","js","css") as $scandirName) { |
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$scan[$scandirName] = scandir(AUTOPTIMIZE_CACHE_DIR.$scandirName); |
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} |
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// clear the cachedirs |
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foreach ($scan as $scandirName=>$scanneddir) { |
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$thisAoCacheDir=rtrim(AUTOPTIMIZE_CACHE_DIR.$scandirName,"/")."/"; |
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foreach($scanneddir as $file) { |
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if(!in_array($file,array('.','..')) && strpos($file,AUTOPTIMIZE_CACHEFILE_PREFIX) !== false && is_file($thisAoCacheDir.$file)) { |
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@unlink($thisAoCacheDir.$file); |
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} |
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} |
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} |
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@unlink(AUTOPTIMIZE_CACHE_DIR."/.htaccess"); |
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delete_transient("autoptimize_stats"); |
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// add cachepurged action |
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if (!function_exists('autoptimize_do_cachepurged_action')) { |
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function autoptimize_do_cachepurged_action() { |
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do_action("autoptimize_action_cachepurged"); |
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} |
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} |
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add_action("shutdown","autoptimize_do_cachepurged_action",11); |
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// try to purge caching plugins cache-files? |
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include_once(AUTOPTIMIZE_PLUGIN_DIR.'classlesses/autoptimizePageCacheFlush.php'); |
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add_action("autoptimize_action_cachepurged","autoptimize_flush_pagecache",10,0); |
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// warm cache (part of speedupper)? |
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if ( apply_filters('autoptimize_filter_speedupper', true) ) { |
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$warmCacheUrl = site_url()."/?ao_speedup_cachebuster=".rand(1,100000); |
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$warmCache = @wp_remote_get($warmCacheUrl); |
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unset($warmCache); |
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} |
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return true; |
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} |
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static function stats() { |
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$AOstats=get_transient("autoptimize_stats"); |
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if (empty($AOstats)) { |
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// Cache not available :( |
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if(!autoptimizeCache::cacheavail()) { |
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return 0; |
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} |
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// Count cached info |
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$count = 0; |
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$size = 0; |
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// scan the cachedirs |
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View Code Duplication |
foreach (array("","js","css") as $scandirName) { |
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$scan[$scandirName] = scandir(AUTOPTIMIZE_CACHE_DIR.$scandirName); |
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} |
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foreach ($scan as $scandirName=>$scanneddir) { |
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$thisAoCacheDir=rtrim(AUTOPTIMIZE_CACHE_DIR.$scandirName,"/")."/"; |
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foreach($scanneddir as $file) { |
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if(!in_array($file,array('.','..')) && strpos($file,AUTOPTIMIZE_CACHEFILE_PREFIX) !== false) { |
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if(is_file($thisAoCacheDir.$file)) { |
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if(AUTOPTIMIZE_CACHE_NOGZIP && (strpos($file,'.js') !== false || strpos($file,'.css') !== false || strpos($file,'.img') !== false || strpos($file,'.txt') !== false )) { |
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$count++; |
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} elseif(!AUTOPTIMIZE_CACHE_NOGZIP && strpos($file,'.none') !== false) { |
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$count++; |
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} |
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$size+=filesize($thisAoCacheDir.$file); |
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} |
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} |
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} |
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} |
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$AOstats=array($count,$size,time()); |
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if ($count>100) { |
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set_transient( "autoptimize_stats", $AOstats, apply_filters( 'autoptimize_filter_cache_statsexpiry', HOUR_IN_SECONDS ) ); |
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} |
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} |
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// print the number of instances |
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return $AOstats; |
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} |
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static function cacheavail() { |
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if(!defined('AUTOPTIMIZE_CACHE_DIR')) { |
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// We didn't set a cache |
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return false; |
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} |
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foreach (array("","js","css") as $checkDir) { |
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if(!autoptimizeCache::checkCacheDir(AUTOPTIMIZE_CACHE_DIR.$checkDir)) { |
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return false; |
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} |
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} |
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/** write index.html here to avoid prying eyes */ |
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$indexFile=AUTOPTIMIZE_CACHE_DIR.'/index.html'; |
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if(!is_file($indexFile)) { |
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@file_put_contents($indexFile,'<html><head><meta name="robots" content="noindex, nofollow"></head><body>Generated by <a href="http://wordpress.org/extend/plugins/autoptimize/" rel="nofollow">Autoptimize</a></body></html>'); |
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} |
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/** write .htaccess here to overrule wp_super_cache */ |
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$htAccess=AUTOPTIMIZE_CACHE_DIR.'/.htaccess'; |
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if(!is_file($htAccess)) { |
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/** |
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* create wp-content/AO_htaccess_tmpl with |
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* whatever htaccess rules you might need |
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* if you want to override default AO htaccess |
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*/ |
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$htaccess_tmpl=WP_CONTENT_DIR."/AO_htaccess_tmpl"; |
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if (is_file($htaccess_tmpl)) { |
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$htAccessContent=file_get_contents($htaccess_tmpl); |
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} else if (is_multisite() || AUTOPTIMIZE_CACHE_NOGZIP == false) { |
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$htAccessContent='<IfModule mod_expires.c> |
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ExpiresActive On |
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ExpiresByType text/css A30672000 |
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ExpiresByType text/javascript A30672000 |
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ExpiresByType application/javascript A30672000 |
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</IfModule> |
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<IfModule mod_headers.c> |
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Header append Cache-Control "public, immutable" |
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</IfModule> |
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<IfModule mod_deflate.c> |
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<FilesMatch "\.(js|css)$"> |
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SetOutputFilter DEFLATE |
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</FilesMatch> |
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</IfModule> |
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<IfModule mod_authz_core.c> |
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<Files *.php> |
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Require all granted |
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</Files> |
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</IfModule> |
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<IfModule !mod_authz_core.c> |
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<Files *.php> |
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Order allow,deny |
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Allow from all |
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</Files> |
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</IfModule>'; |
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} else { |
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$htAccessContent='<IfModule mod_expires.c> |
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ExpiresActive On |
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ExpiresByType text/css A30672000 |
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ExpiresByType text/javascript A30672000 |
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ExpiresByType application/javascript A30672000 |
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</IfModule> |
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<IfModule mod_headers.c> |
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Header append Cache-Control "public, immutable" |
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</IfModule> |
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<IfModule mod_deflate.c> |
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<FilesMatch "\.(js|css)$"> |
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SetOutputFilter DEFLATE |
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</FilesMatch> |
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</IfModule> |
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<IfModule mod_authz_core.c> |
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<Files *.php> |
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Require all denied |
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</Files> |
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</IfModule> |
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<IfModule !mod_authz_core.c> |
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<Files *.php> |
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Order deny,allow |
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Deny from all |
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</Files> |
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</IfModule>'; |
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} |
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@file_put_contents($htAccess,$htAccessContent); |
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} |
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// All OK |
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return true; |
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} |
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static function checkCacheDir($dir) { |
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// Check and create if not exists |
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if(!file_exists($dir)) { |
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@mkdir($dir,0775,true); |
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if(!file_exists($dir)) { |
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return false; |
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} |
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} |
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// check if we can now write |
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if(!is_writable($dir)) { |
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return false; |
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} |
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// and write index.html here to avoid prying eyes |
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$indexFile=$dir.'/index.html'; |
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if(!is_file($indexFile)) { |
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@file_put_contents($indexFile,'<html><head><meta name="robots" content="noindex, nofollow"></head><body>Generated by <a href="http://wordpress.org/extend/plugins/autoptimize/" rel="nofollow">Autoptimize</a></body></html>'); |
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} |
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return true; |
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} |
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} |
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This check marks private properties in classes that are never used. Those properties can be removed.