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File Content: `advanced-cache.php`

<?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();
Name	Size	Permission
admin.php	7455 bytes	0644
advanced-cache.php	6628 bytes	0644
ajax.php	29431 bytes	0644
cache.php	15517 bytes	0644
cdn.php	8391 bytes	0644
css.php	6326 bytes	0644
delete.php	13917 bytes	0644
gravatar.php	3194 bytes	0644
htaccess.php	8665 bytes	0644
install.php	4717 bytes	0644
js.php	6012 bytes	0644
preload.php	3449 bytes	0644
settings.php	103018 bytes	0644
util.php	8581 bytes	0644
File Content: advanced-cache.php

File Content: `advanced-cache.php`
