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<?php
/**
* Copyright (Ñ) Cloud Linux GmbH & Cloud Linux Software, Inc 2010-2022 All Rights Reserved
*
* Licensed under CLOUD LINUX LICENSE AGREEMENT
* https://www.cloudlinux.com/legal/
*/
namespace XrayProfiler;
if (!class_exists('\XrayProfiler\CollectorCacheability')) {
class CollectorCacheability extends Collector
{
/**
* AccelerateWP Config instance
*
* @var object|false
*/
private $config = false;
/**
* @var array
*/
private $cookies;
/**
* @var array
*/
private $post;
/**
* @var array
*/
private $get;
/**
* @var array
*/
private $server;
/**
* @var self|null
*/
private static $instance = null;
/**
* Constructor.
*
*/
private function __construct()
{
$this->setConfig();
$this->setVariables();
}
private function __clone()
{
}
/**
* @return void
*/
private function setConfig()
{
if (
isset($GLOBALS['rocket_config_path']) &&
!empty($GLOBALS['rocket_config_path'])
) {
$rocket_config_path = $GLOBALS['rocket_config_path'];
} elseif (
defined('WP_ROCKET_CONFIG_PATH') &&
WP_ROCKET_CONFIG_PATH !== ''
) {
$rocket_config_path = WP_ROCKET_CONFIG_PATH;
}
if (
class_exists('\WP_Rocket\Buffer\Config')
&&
isset($rocket_config_path)
) {
$this->config = new \WP_Rocket\Buffer\Config(
[
'config_dir_path' => $rocket_config_path,
]
);
}
}
/**
* @return void
*/
private function setVariables()
{
$this->cookies = !empty($_COOKIE) && is_array($_COOKIE) ? $_COOKIE : array();
$this->post = !empty($_POST) && is_array($_POST) ? $_POST : array();
$this->get = !empty($_GET) && is_array($_GET) ? $_GET : array();
$this->server = !empty($_SERVER) && is_array($_SERVER) ? $_SERVER : array();
if ($this->post) {
$this->post = array_intersect_key(
// Limit $this->post to the values we need, to save a bit of memory.
$this->post,
[
'wp_customize' => '',
]
);
}
}
/**
* @return self
*/
public static function instance()
{
if (is_null(self::$instance)) {
self::$instance = new self();
self::$instance->clean();
}
return self::$instance;
}
/**
* @return array
*/
public function getData()
{
$this->collectData();
return $this->data;
}
/**
* Do tests & fill results.
*
* @return void
*/
public function collectData()
{
$results = array();
// Don't process robots.txt && .htaccess files
// (it has happened sometimes with weird server configuration).
// Don't process disallowed file extensions (like php, xml, xsl).
$results['is_disallowed_file'] = $this->isRejectedFile() || $this->isRejectedExtension();
// Don't cache if in admin.
$results['is_admin'] = $this->isAdmin();
// Don't cache if in ajax.
$results['is_ajax'] = $this->isAjax();
// Don't process the customizer preview.
$results['is_preview'] = $this->isCustomizerPreview();
// Don’t process with query strings parameters,
// but the processed content is served if the visitor
// comes from an RSS feed, a Facebook action or Google Adsense tracking.
$results['is_excluded_by_qs'] = !$this->canProcessQueryString();
// Don't process these pages.
$results['is_excluded_by_uri'] = !$this->canProcessUri();
// Don't process page with rejected cookies.
// Don't process page when mandatory cookies don't exist.
$results['is_excluded_by_cookie'] = $this->hasRejectedCookie() || is_array($this->hasMandatoryCookie());
// Don't process page with these user agents.
$results['is_excluded_by_ua'] = !$this->canProcessUserAgent();
// Don't process if mobile detection is activated.
$results['is_excluded_by_mobile'] = !$this->canProcessMobile();
// Don't process WordPress search page
$results['is_search'] = $this->isSearch();
$this->setData($results);
}
/**
* Tell if the current URI corresponds to a file that must not be processed.
*
* @return bool
*/
public function isRejectedFile()
{
$request_uri = $this->getRequestUriBase();
if (!$request_uri) {
return false;
}
$files = [
'robots.txt',
'.htaccess',
];
foreach ($files as $file) {
if (false !== strpos($request_uri, '/' . $file)) {
return true;
}
}
return false;
}
/**
* Tell if the current URI corresponds to a file extension that must not be processed.
*
* @return bool
*/
public function isRejectedExtension()
{
$request_uri = $this->getRequestUriBase();
if (!$request_uri) {
return false;
}
if (strtolower($request_uri) === '/index.php') {
// `index.php` is allowed.
return false;
}
$extension = pathinfo($request_uri, PATHINFO_EXTENSION);
$extensions = [
'php' => 1,
'xml' => 1,
'xsl' => 1,
];
$is_rejected = $extension && isset($extensions[ $extension ]);
return $is_rejected;
}
/**
* Tell if we're in the admin area (or ajax) or not.
* Test against ajax added in 2e3c0fa74246aa13b36835f132dfd55b90d4bf9e for whatever reason.
*
* @return bool
*/
public function isAdmin()
{
return is_admin();
}
/**
* Tell if we're in the admin area (or ajax) or not.
* Test against ajax added in 2e3c0fa74246aa13b36835f132dfd55b90d4bf9e for whatever reason.
*
* @return bool
*/
public function isAjax()
{
return defined('DOING_AJAX') && DOING_AJAX;
}
/**
* Tell if we're displaying a customizer preview.
* Test added in 769c7377e764a6a8decb4015a167b34043b4b462 for whatever reason.
*
* @return bool
*/
public function isCustomizerPreview()
{
return isset($this->post['wp_customize']);
}
/**
* Don't process with query string parameters, some parameters are allowed though.
*
* @return bool
*/
public function canProcessQueryString()
{
$params = $this->getQueryParams();
if (!$params) {
return true;
}
// The page can be processed if at least one of these parameters is present.
$allowed_params = [
'lang' => 1,
's' => 1,
'permalink_name' => 1,
'lp-variation-id' => 1,
];
if (array_intersect_key($params, $allowed_params)) {
return true;
}
// AccelerateWP not installed
if (!$this->config) {
return false;
}
// The page can be processed if at least one of these parameters is present.
// @phpstan-ignore-next-line
$allowed_params = $this->config->get_config('cache_query_strings');
if (!$allowed_params) {
// We have query strings but none is in the list set by the user.
return false;
}
$can = (bool) array_intersect_key($params, array_flip($allowed_params));
return $can;
}
/**
* Some URIs set in the plugin settings must not be processed.
*
* @return bool
*/
public function canProcessUri()
{
// AccelerateWP not installed
if (!$this->config) {
$uri_pattern = '/(?:.+/)?feed(?:/(?:.+/?)?)?$/|/(?:.+/)?embed/|/(index\.php/)?wp\-json(/.*|$)/';
} else {
// URIs not to cache.
// @phpstan-ignore-next-line
$uri_pattern = $this->config->get_config('cache_reject_uri');
}
if (!$uri_pattern) {
return true;
}
$can = !preg_match('#^(' . $uri_pattern . ')$#i', $this->getRequestUriBase());
return $can;
}
/**
* Don't process if some cookies are present.
*
* @return bool|array
*/
public function hasRejectedCookie()
{
if (!$this->cookies) {
return false;
}
// AccelerateWP not installed
if (!$this->config) {
// @phpcs:ignore Generic.Files.LineLength
$rejected_cookies = '#wordpress_logged_in_.+|wp-postpass_|wptouch_switch_toggle|comment_author_|comment_author_email_#';
} else {
// @phpstan-ignore-next-line
$rejected_cookies = $this->config->get_rejected_cookies();
}
if (!$rejected_cookies) {
return false;
}
$excluded_cookies = array();
foreach (array_keys($this->cookies) as $cookie_name) {
if (preg_match($rejected_cookies, $cookie_name)) {
$excluded_cookies[] = $cookie_name;
}
}
if (!empty($excluded_cookies)) {
return $excluded_cookies;
}
return false;
}
/**
* Don't process if some cookies are NOT present.
*
* @return bool|array
*/
public function hasMandatoryCookie()
{
// AccelerateWP not installed
if (!$this->config) {
return true;
}
// @phpstan-ignore-next-line
$mandatory_cookies = $this->config->get_mandatory_cookies();
if (!$mandatory_cookies) {
return true;
}
// @phpstan-ignore-next-line
$missing_cookies = array_flip(explode('|', $this->config->get_config('cache_mandatory_cookies')));
if (!$this->cookies) {
return $missing_cookies;
}
foreach (array_keys($this->cookies) as $cookie_name) {
if (preg_match($mandatory_cookies, $cookie_name)) {
unset($missing_cookies[ $cookie_name ]);
}
}
if (empty($missing_cookies)) {
return true;
}
return array_flip($missing_cookies);
}
/**
* Don't process if the user agent is in the forbidden list.
*
* @return bool
*/
public function canProcessUserAgent()
{
if (!$this->getServerInput('HTTP_USER_AGENT')) {
return true;
}
// AccelerateWP not installed
if (!$this->config) {
$rejected_uas = 'facebookexternalhit|WhatsApp';
} else {
// @phpstan-ignore-next-line
$rejected_uas = $this->config->get_config('cache_reject_ua');
}
if (!$rejected_uas) {
return true;
}
$can = !preg_match('#' . $rejected_uas . '#', $this->getServerInput('HTTP_USER_AGENT'));
return $can;
}
/**
* Don't process if the user agent is in the forbidden list.
*
* @return bool
*/
public function canProcessMobile()
{
// AccelerateWP not installed
if (!$this->config) {
return true;
}
if (!$this->getServerInput('HTTP_USER_AGENT')) {
return true;
}
// @phpstan-ignore-next-line
if ($this->config->get_config('cache_mobile')) {
return true;
}
// @phpcs:ignore Generic.Files.LineLength
$uas = '2.0\ MMP|240x320|400X240|AvantGo|BlackBerry|Blazer|Cellphone|Danger|DoCoMo|Elaine/3.0|EudoraWeb|Googlebot-Mobile|hiptop|IEMobile|KYOCERA/WX310K|LG/U990|MIDP-2.|MMEF20|MOT-V|NetFront|Newt|Nintendo\ Wii|Nitro|Nokia|Opera\ Mini|Palm|PlayStation\ Portable|portalmmm|Proxinet|ProxiNet|SHARP-TQ-GX10|SHG-i900|Small|SonyEricsson|Symbian\ OS|SymbianOS|TS21i-10|UP.Browser|UP.Link|webOS|Windows\ CE|WinWAP|YahooSeeker/M1A1-R2D2|iPhone|iPod|Android|BlackBerry9530|LG-TU915\ Obigo|LGE\ VX|webOS|Nokia5800';
if (preg_match('#^.*(' . $uas . ').*#i', $this->getServerInput('HTTP_USER_AGENT'))) {
return false;
}
// @phpcs:ignore Generic.Files.LineLength
$uas = 'w3c\ |w3c-|acs-|alav|alca|amoi|audi|avan|benq|bird|blac|blaz|brew|cell|cldc|cmd-|dang|doco|eric|hipt|htc_|inno|ipaq|ipod|jigs|kddi|keji|leno|lg-c|lg-d|lg-g|lge-|lg/u|maui|maxo|midp|mits|mmef|mobi|mot-|moto|mwbp|nec-|newt|noki|palm|pana|pant|phil|play|port|prox|qwap|sage|sams|sany|sch-|sec-|send|seri|sgh-|shar|sie-|siem|smal|smar|sony|sph-|symb|t-mo|teli|tim-|tosh|tsm-|upg1|upsi|vk-v|voda|wap-|wapa|wapi|wapp|wapr|webc|winw|winw|xda\ |xda-';
if (preg_match('#^(' . $uas . ').*#i', $this->getServerInput('HTTP_USER_AGENT'))) {
return false;
}
return true;
}
/**
* Tell if we're in the WP’s search page.
*
* @return bool
*/
public function isSearch()
{
if (!array_key_exists('s', $this->getQueryParams()) || is_admin()) {
return false;
}
/**
* At this point we’re in the WP’s search page.
* This filter allows to cache search results.
*
* @param bool $cache_search True will force caching search results.
*/
return !apply_filters('rocket_cache_search', false);
}
/**
* Get the request URI.
*
* @return string
*/
public function getRawRequestUri()
{
if ($this->getServerInput('REQUEST_URI') == '') {
return '';
}
return '/' . ltrim($this->getServerInput('REQUEST_URI'), '/');
}
/**
* Get the request URI without the query strings.
*
* @return string
*/
public function getRequestUriBase()
{
$request_uri = $this->getRawRequestUri();
if (!$request_uri) {
return '';
}
$request_uri = explode('?', $request_uri);
return reset($request_uri);
}
/**
* Get the request method.
*
* @return string
*/
public function getRequestMethod()
{
return strtoupper($this->getServerInput('REQUEST_METHOD'));
}
/**
* Get the query string as an array. Parameters are sorted and some are removed.
*
* @return array
*/
public function getQueryParams()
{
if (!$this->get) {
return array();
}
if (!$this->config) {
$config_keys = array(
'utm_source' => 0,
'utm_medium' => 1,
'utm_campaign' => 2,
'utm_expid' => 3,
'utm_term' => 4,
'utm_content' => 5,
'mtm_source' => 6,
'mtm_medium' => 7,
'mtm_campaign' => 8,
'mtm_keyword' => 9,
'mtm_cid' => 10,
'mtm_content' => 11,
'pk_source' => 12,
'pk_medium' => 13,
'pk_campaign' => 14,
'pk_keyword' => 15,
'pk_cid' => 16,
'pk_content' => 17,
'fb_action_ids' => 18,
'fb_action_types' => 19,
'fb_source' => 20,
'fbclid' => 21,
'campaignid' => 22,
'adgroupid' => 23,
'adid' => 24,
'gclid' => 25,
'age-verified' => 26,
'ao_noptimize' => 27,
'usqp' => 28,
'cn-reloaded' => 29,
'_ga' => 30,
'sscid' => 31,
'gclsrc' => 32,
'_gl' => 33,
'mc_cid' => 34,
'mc_eid' => 35,
'_bta_tid' => 36,
'_bta_c' => 37,
'trk_contact' => 38,
'trk_msg' => 39,
'trk_module' => 40,
'trk_sid' => 41,
'gdfms' => 42,
'gdftrk' => 43,
'gdffi' => 44,
'_ke' => 45,
'redirect_log_mongo_id' => 46,
'redirect_mongo_id' => 47,
'sb_referer_host' => 48,
'mkwid' => 49,
'pcrid' => 50,
'ef_id' => 51,
's_kwcid' => 52,
'msclkid' => 53,
'dm_i' => 54,
'epik' => 55,
'pp' => 56,
'gbraid' => 57,
'wbraid' => 58,
);
} else {
// @phpstan-ignore-next-line
$config_keys = $this->config->get_config('cache_ignored_parameters');
}
// Remove some parameters.
$params = array_diff_key(
$this->get,
$config_keys
);
if ($params) {
ksort($params);
}
return $params;
}
/**
* @param string $name
*
* @return string
*/
public function getServerInput($name)
{
if (!isset($this->server[$name])) {
return '';
}
return $this->server[$name];
}
/**
* @return array
*/
public function getXrayData()
{
return $this->getData();
}
/**
* @return $this
*/
public function clean()
{
$this->data = array();
return $this;
}
}
}