Viewing file:  advanced-cache.php (6.47 KB) -rw-r--r--
Select action/file-type:
 (+) |  (+) |  (+) | Code (+) | Session (+) |  (+) | SDB (+) |  (+) |  (+) |  (+) |  (+) |  (+) |
<?php
/*
* SPEEDYCACHE
* https://speedycache.com/
* (c) SpeedyCache Team
*/
if(!defined('ABSPATH')) exit;
// Check request method is Head or get
if(!isset($_SERVER['REQUEST_METHOD']) || $_SERVER['REQUEST_METHOD'] !== 'GET'){
return;
}
if(defined('WP_INSTALLING') && WP_INSTALLING){
return;
}
if(defined('WP_CLI') && WP_CLI){
return;
}
if(empty($_SERVER['REQUEST_URI']) || empty($_SERVER['HTTP_HOST']) || empty($_SERVER['HTTP_USER_AGENT'])){
return false;
}
if(preg_match('/(\/){2}$/', $_SERVER['REQUEST_URI'])){
return false;
}
function speedycache_ac_serve_cache(){
$ignored_parameters = ['fbclid', 'utm_id', 'utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content', 'utm_source_platform', 'gclid', 'dclid', 'msclkid', 'ref', 'fbaction_ids', 'fbc', 'fbp', 'clid', 'mc_cid', 'mc_eid', 'hsCtaTracking', 'hsa_cam', 'hsa_grp', 'hsa_mt', 'hsa_src', 'hsa_ad', 'hsa_acc', 'hsa_net', 'hsa_kw', 'test_speedycache'];
$uri = '';
$parsed_uri = [];
$uri = $_SERVER['REQUEST_URI'];
$uri = urldecode($uri); // Users use other languages to write as well
$uri = preg_replace('/\.{2,}/', '', $uri); // Cleaning the path
$parsed_uri = parse_url($uri);
if(!empty($parsed_uri) && !empty($parsed_uri['query'])){
parse_str($parsed_uri['query'], $parsed_query);
foreach($parsed_query as $query => $value){
if(in_array($query, $ignored_parameters)){
unset($parsed_query[$query]);
continue;
}
}
$uri = $parsed_uri['path'] . (!empty($parsed_query) ? '?'.http_build_query($parsed_query) : '');
}
// We dont know if the site is a /directory based so we just hit and try
$site_dir = '';
$path = '';
if(!empty($parsed_uri['path'])){
$path = trim($parsed_uri['path'], '/');
}
if(strpos($path, '/') !== FALSE){
$parsed_path = explode('/', $path);
$site_dir = $parsed_path[0];
} elseif(!empty($path)){
$site_dir = $path;
}
$config_file = WP_CONTENT_DIR . '/speedycache-config/' . basename($_SERVER['HTTP_HOST']) . '.php';
if(!file_exists($config_file)){
$config_file = WP_CONTENT_DIR . '/speedycache-config/' . basename($_SERVER['HTTP_HOST']) . '.'. $site_dir . '.php';
if(!file_exists($config_file)){
return;
}
}
if(!file_exists($config_file)){
return;
}
// Accessing the config file
include_once $config_file;
if(empty($speedycache_ac_config) || !is_array($speedycache_ac_config)){
return;
}
if(empty($speedycache_ac_config['settings']['status'])){
return;
}
// Exclude pages|useragent|cookie
if(speedycache_ac_excludes($speedycache_ac_config)){
return;
}
if(!empty($speedycache_ac_config['user_agents']) && preg_match('/'.preg_quote($speedycache_ac_config['user_agents']).'/', $_SERVER['HTTP_USER_AGENT'])){
return;
}
if(empty($speedycache_ac_config['settings']['logged_in_user']) && preg_grep('/^wordpress_logged_in_/i', array_keys($_COOKIE))){
return false;
}
// check comment author
if(preg_grep('/comment_author_/i', array_keys($_COOKIE))){
return false;
}
$cache_path = WP_CONTENT_DIR.'/cache/speedycache/' . basename($_SERVER['HTTP_HOST']);
// For the test cache
if(isset($_GET['test_speedycache'])){
$cache_path = '/test'. $uri;
} else if(!empty($speedycache_ac_config['settings']['mobile']) && preg_match('/Mobile|Android|Silk\/|Kindle|BlackBerry|Opera (Mini|Mobi)/i', $_SERVER['HTTP_USER_AGENT'])) {
// Check for Mobile
if(!empty($speedycache_ac_config['settings']['mobile_theme'])){
$cache_path .= '/mobile-cache' . $uri;
} else {
return; // If just mobile is enabled then we don't want to show desktop verison of cache on mobile.
}
} else {
// get path of file
$cache_path .= '/all'. $uri;
}
$file_name = 'index';
if(isset($_COOKIE['wcu_current_currency'])){
$file_name .= '-' . strtolower($_COOKIE['wcu_current_currency']);
$file_name = preg_replace('/\.{2,}/', '', $file_name); // Cleaning the path
}
$file_name .= '.html';
//check file extension
$serving_gz = '';
if(isset($_SERVER['HTTP_ACCEPT_ENCODING']) && strpos($_SERVER['HTTP_ACCEPT_ENCODING'], 'gzip') !== FALSE && !empty($speedycache_ac_config['settings']['gzip']) && @file_exists($cache_path . '/'. $file_name.'.gz')){
$serving_gz = '.gz';
// We do not want output compression to be enabled if we are gzipping the page.
if(function_exists('ini_set')){
ini_set('zlib.output_compression', 0);
}
header('Content-Encoding: gzip');
}
if(!file_exists($cache_path . '/'.$file_name . $serving_gz)){
$serving_gz = '';
}
if(!file_exists($cache_path . '/'.$file_name . $serving_gz)){
return;
}
if(!headers_sent()){
header('x-speedycache-source: PHP');
}
$cache_created_at = filemtime($cache_path. '/'.$file_name . $serving_gz);
header('Last-Modified: ' . gmdate( 'D, d M Y H:i:s', $cache_created_at) . ' GMT');
$if_modified_since = isset($_SERVER['HTTP_IF_MODIFIED_SINCE']) ? strtotime($_SERVER['HTTP_IF_MODIFIED_SINCE']) : 0;
if($if_modified_since === $cache_created_at){
header($_SERVER['SERVER_PROTOCOL'] . ' 304 Not Modified', true, 304);
header('Cache-Control: no-cache, must-revalidate');
header('Expires: ' . gmdate('D, d M Y H:i:s') . ' GMT');
exit();
}
readfile($cache_path. '/'.$file_name . $serving_gz);
exit();
}
function speedycache_ac_excludes($excludes){
if(empty($excludes) || !is_array($excludes)){
return false;
}
$preg_match_rule = '';
$request_url = !empty($_SERVER['REQUEST_URI']) ? urldecode(trim($_SERVER['REQUEST_URI'], '/')) : '';
foreach($excludes as $key => $value){
$value['type'] = !empty($value['type']) ? $value['type'] : 'page';
if(!empty($value['prefix']) && $value['type'] == 'page'){
$value['content'] = trim($value['content']);
$value['content'] = trim($value['content'], '/');
if($value['prefix'] == 'exact' && strtolower($value['content']) == strtolower($request_url)){
return true;
}else{
$preg_match_rule = preg_quote($value['content'], '/');
if($preg_match_rule){
if(preg_match('/'.$preg_match_rule.'/i', $request_url)){
return true;
}
}
}
}else if($value['type'] == 'useragent'){
if(preg_match('/'.preg_quote($value['content'], '/').'/i', $_SERVER['HTTP_USER_AGENT'])){
return true;
}
}else if($value['type'] == 'cookie'){
if(isset($_SERVER['HTTP_COOKIE'])){
if(preg_match('/'.preg_quote($value['content'], '/').'/i', $_SERVER['HTTP_COOKIE'])){
return true;
}
}
}
}
}
speedycache_ac_serve_cache();
|