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<?php
namespace WP_Rocket\Buffer;
/**
* Handle the tests for page cache and optimizations.
*
* @since 3.3
* @author Grégory Viguier
*/
class Tests {
use \WP_Rocket\Traits\Memoize;
/**
* Config instance
*
* @var Config
*/
private $config;
/**
* Values of $_COOKIE to use for some tests.
*
* @var array
* @since 3.3
* @author Grégory Viguier
*/
private static $cookies;
/**
* Values of $_POST to use for some tests.
*
* @var array
* @since 3.3
* @author Grégory Viguier
*/
private static $post;
/**
* Values of $_GET to use for some tests.
*
* @var array
* @since 3.3
* @author Grégory Viguier
*/
private static $get;
/**
* Array of complementary tests to perform.
*
* @var array Tests are listed as array keys.
* @since 3.3
* @author Grégory Viguier
*/
private $tests = [
'query_string' => 1,
'ssl' => 1,
'uri' => 1,
'rejected_cookie' => 1,
'mandatory_cookie' => 1,
'user_agent' => 1,
'mobile' => 1,
'donotcachepage' => 1,
'wp_404' => 1,
'search' => 1,
'is_html' => 1,
];
/**
* Information about the last "error".
* Here an "error" is a test failure.
*
* @var array {
* @type string $message A message.
* @type array $data Related data.
* }
* @since 3.3
* @author Grégory Viguier
*/
private $last_error = [];
/**
* Constructor.
*
* @since 3.3
* @author Grégory Viguier
*
* @param Config $config Config instance.
* @param array $args {
* An array of arguments.
*
* @type array $cookies Values of $_COOKIE to use for the tests. Default is $_COOKIE.
* @type array $post Values of $_POST to use for the tests. Default is $_POST
* @type array $get Values of $_GET to use for the tests. Default is $_GET.
* @type array $tests List of complementary tests to perform. Optional.
* }
*/
public function __construct( Config $config, array $args = [] ) {
$this->config = $config;
if ( ! empty( $args['tests'] ) ) {
$this->set_tests( (array) $args['tests'] );
}
// Provide fallback values.
if ( ! isset( $args['cookies'] ) && ! empty( $_COOKIE ) && is_array( $_COOKIE ) ) {
$args['cookies'] = $_COOKIE;
}
if ( ! isset( $args['post'] ) && ! empty( $_POST ) && is_array( $_POST ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Missing
$args['post'] = $_POST; // phpcs:ignore WordPress.Security.NonceVerification.Missing
}
if ( ! isset( $args['get'] ) && ! empty( $_GET ) && is_array( $_GET ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Missing, WordPress.Security.NonceVerification.Recommended
$args['get'] = $_GET; // phpcs:ignore WordPress.Security.NonceVerification.Missing, WordPress.Security.NonceVerification.Recommended
}
self::$cookies = ! empty( $args['cookies'] ) && is_array( $args['cookies'] ) ? $args['cookies'] : [];
self::$post = ! empty( $args['post'] ) && is_array( $args['post'] ) ? $args['post'] : [];
self::$get = ! empty( $args['get'] ) && is_array( $args['get'] ) ? $args['get'] : [];
if ( self::$post ) {
self::$post = array_intersect_key(
// Limit self::$post to the values we need, to save a bit of memory.
self::$post,
[
'wp_customize' => '',
]
);
}
}
/** ----------------------------------------------------------------------------------------- */
/** TESTS =================================================================================== */
/** ----------------------------------------------------------------------------------------- */
/**
* Tell if the process should be initiated.
*
* @since 3.3
* @author Grégory Viguier
*
* @return bool
*/
public function can_init_process() {
$this->last_error = [];
// Don't process robots.txt && .htaccess files (it has happened sometimes with weird server configuration).
if ( $this->is_rejected_file() ) {
$this->set_error( 'Robots.txt or .htaccess file is excluded.' );
return false;
}
// Don't process disallowed file extensions (like php, xml, xsl).
if ( $this->is_rejected_extension() ) {
$this->set_error( 'PHP, XML, or XSL file is excluded.' );
return false;
}
// Don't cache if in admin or ajax.
if ( $this->is_admin() ) {
$this->set_error( 'Admin or AJAX URL is excluded.' );
return false;
}
// Don't process the customizer preview.
if ( $this->is_customizer_preview() ) {
$this->set_error( 'Customizer preview is excluded.' );
return false;
}
// Don't process without GET method.
if ( ! $this->is_allowed_request_method() ) {
$this->set_error(
'Request method is not allowed. Page cannot be cached.',
[
'request_method' => $this->get_request_method(),
]
);
return false;
}
if ( ! $this->has_test() ) {
$this->last_error = [];
return true;
}
$config = $this->config->get_config_file_path();
// Exit if no config file exists.
if ( ! $config['success'] ) {
$this->set_error(
'No config file found.',
[
'config_path' => $config['path'],
]
);
return false;
}
// 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.
if ( $this->has_test( 'query_string' ) && ! $this->can_process_query_string() ) {
$this->set_error( 'Query string URL is excluded.' );
return false;
}
// Don't process SSL.
if ( $this->has_test( 'ssl' ) && ! $this->can_process_ssl() ) {
$this->set_error( 'SSL cache not applied to page.' );
return false;
}
// Don't process these pages.
if ( $this->has_test( 'uri' ) && ! $this->can_process_uri() ) {
$this->set_error( 'Page is excluded.' );
return false;
}
// Don't process page with these cookies.
if ( $this->has_test( 'rejected_cookie' ) && $this->has_rejected_cookie() ) {
$this->set_error(
'Excluded cookie found.',
[
'excluded_cookies' => $this->has_rejected_cookie(),
]
);
return false;
}
// Don't process page when these cookies don't exist.
if ( $this->has_test( 'mandatory_cookie' ) && ! $this->is_speed_tool() && is_array( $this->has_mandatory_cookie() ) ) {
$this->set_error(
'Missing mandatory cookie: page not processed.',
[
'missing_cookies' => $this->has_mandatory_cookie(),
]
);
return false;
}
// Don't process page with these user agents.
if ( $this->has_test( 'user_agent' ) && ! $this->can_process_user_agent() ) {
$this->set_error(
'User Agent is excluded.',
[
'user_agent' => $this->config->get_server_input( 'HTTP_USER_AGENT' ),
]
);
return false;
}
// Don't process if mobile detection is activated.
if ( $this->has_test( 'mobile' ) && ! $this->can_process_mobile() ) {
$this->set_error(
'Mobile User Agent is excluded.',
[
'user_agent' => $this->config->get_server_input( 'HTTP_USER_AGENT' ),
]
);
return false;
}
$this->last_error = [];
return true;
}
/**
* Tell if a test should be performed.
*
* @since 3.3
* @author Grégory Viguier
*
* @param string $test_name Identifier of the test.
* Possible values are: 'query_string', 'ssl', 'uri', 'rejected_cookie', 'mandatory_cookie', 'user_agent', 'mobile'.
* @return bool
*/
public function has_test( $test_name = '' ) {
if ( empty( $test_name ) ) {
return ! empty( $this->tests );
}
return isset( $this->tests[ $test_name ] );
}
/**
* Set the list of tests to perform.
*
* @since 3.3
* @author Grégory Viguier
*
* @param array $tests An array of test names.
*/
public function set_tests( array $tests ) {
$tests = array_flip( $tests );
array_merge( $this->tests, $tests );
}
/**
* Tell if the buffer should be processed.
*
* @since 3.3
* @author Grégory Viguier
*
* @param string $buffer The buffer content.
* @return bool
*/
public function can_process_buffer( $buffer ) {
$this->last_error = [];
if ( ! function_exists( 'rocket_mkdir_p' ) ) {
// Uh?
$this->set_error( 'WP Rocket not found - page cannot be cached.' );
return false;
}
if ( strlen( $buffer ) <= 255 ) {
// Buffer length must be > 255 (IE does not read pages under 255 c).
$this->set_error( 'Buffer content under 255 caracters.' );
return false;
}
if ( $this->get_http_response_code() !== 200 ) {
// Only cache 200.
$this->set_error( 'Page is not a 200 HTTP response and cannot be cached.' );
return false;
}
if ( $this->has_test( 'donotcachepage' ) && $this->has_donotcachepage() ) {
// Don't process templates that use the DONOTCACHEPAGE constant.
$this->set_error( 'DONOTCACHEPAGE is defined. Page cannot be cached.' );
return false;
}
if ( $this->has_test( 'wp_404' ) && $this->is_404() ) {
// Don't process WP 404 page.
$this->set_error( 'WP 404 page is excluded.' );
return false;
}
if ( $this->has_test( 'search' ) && $this->is_search() ) {
// Don't process search results.
$this->set_error( 'Search page is excluded.' );
return false;
}
if ( $this->has_test( 'is_html' ) ) {
if ( $this->is_feed_uri() || defined( 'REST_REQUEST' ) ) {
unset( $this->tests['is_html'] );
}
}
if (
$this->has_test( 'is_html' )
&&
! $this->is_html( $buffer )
) {
// Don't process if there isn't a closing </html>.
$this->set_error( 'No closing </html> was found.' );
return false;
}
$this->last_error = [];
return true;
}
/**
* Return http response to prevent a bug while testing.
*
* @return bool|int
*/
public function get_http_response_code() {
return http_response_code();
}
/** ----------------------------------------------------------------------------------------- */
/** SEPARATED TESTS ========================================================================= */
/** ----------------------------------------------------------------------------------------- */
/**
* Tell if the current URI corresponds to a file that must not be processed.
*
* @since 3.3
* @author Grégory Viguier
*
* @return bool
*/
public function is_rejected_file() {
if ( self::is_memoized( __FUNCTION__ ) ) {
return self::get_memoized( __FUNCTION__ );
}
$request_uri = $this->get_request_uri_base();
if ( ! $request_uri ) {
return self::memoize( __FUNCTION__, [], false );
}
$files = [
'robots.txt',
'.htaccess',
];
foreach ( $files as $file ) {
if ( false !== strpos( $request_uri, '/' . $file ) ) {
return self::memoize( __FUNCTION__, [], true );
}
}
return self::memoize( __FUNCTION__, [], false );
}
/**
* Tell if the current URI corresponds to a file extension that must not be processed.
*
* @since 3.3
* @author Grégory Viguier
*
* @return bool
*/
public function is_rejected_extension() {
if ( self::is_memoized( __FUNCTION__ ) ) {
return self::get_memoized( __FUNCTION__ );
}
$request_uri = $this->get_request_uri_base();
if ( ! $request_uri ) {
return self::memoize( __FUNCTION__, [], false );
}
if ( strtolower( $request_uri ) === '/index.php' ) {
// `index.php` is allowed.
return self::memoize( __FUNCTION__, [], false );
}
$extension = pathinfo( $request_uri, PATHINFO_EXTENSION );
$extensions = [
'php' => 1,
'xml' => 1,
'xsl' => 1,
];
$is_rejected = $extension && isset( $extensions[ $extension ] );
return self::memoize( __FUNCTION__, [], $is_rejected );
}
/**
* Tell if the current url is a feed.
*
* @return bool
*/
public function is_feed_uri() {
global $wp_rewrite;
$feed_uri = '/(?:.+/)?' . $wp_rewrite->feed_base . '(?:/(?:.+/?)?)?$';
return (bool) preg_match( '#^(' . $feed_uri . ')$#i', $this->get_clean_request_uri() );
}
/**
* Tell if we're in the admin area (or ajax) or not.
* Test against ajax added in 2e3c0fa74246aa13b36835f132dfd55b90d4bf9e for whatever reason.
*
* @since 3.3
* @author Grégory Viguier
*
* @return bool
*/
public function is_admin() {
return is_admin() || ( defined( 'DOING_AJAX' ) && DOING_AJAX );
}
/**
* Tell if we're displaying a customizer preview.
* Test added in 769c7377e764a6a8decb4015a167b34043b4b462 for whatever reason.
*
* @since 3.3
* @author Grégory Viguier
*
* @return bool
*/
public function is_customizer_preview() {
return isset( self::$post['wp_customize'] );
}
/**
* Tell if the request method is allowed to be cached.
*
* @since 3.3
* @author Grégory Viguier
*
* @return bool
*/
public function is_allowed_request_method() {
$allowed = [
'GET' => 1,
'HEAD' => 1,
];
if ( isset( $allowed[ $this->get_request_method() ] ) ) {
return true;
}
return false;
}
/** ----------------------------------------------------------------------------------------- */
/** SEPARATED TESTS THAT USE THE CONFIG FILE ================================================ */
/** ----------------------------------------------------------------------------------------- */
/**
* Don't process with query string parameters, some parameters are allowed though.
*
* @since 3.3
* @author Grégory Viguier
*
* @return bool
*/
public function can_process_query_string() {
if ( self::is_memoized( __FUNCTION__ ) ) {
return self::get_memoized( __FUNCTION__ );
}
$params = $this->get_query_params();
if ( ! $params ) {
return self::memoize( __FUNCTION__, [], 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 self::memoize( __FUNCTION__, [], true );
}
// The page can be processed if at least one of these parameters is present.
$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 self::memoize( __FUNCTION__, [], false );
}
$can = (bool) array_intersect_key( $params, array_flip( $allowed_params ) );
return self::memoize( __FUNCTION__, [], $can );
}
/**
* Process SSL only if set in the plugin settings.
*
* @since 3.3
* @author Grégory Viguier
*
* @return bool
*/
public function can_process_ssl() {
return ! $this->is_ssl() || $this->config->get_config( 'cache_ssl' );
}
/**
* Some URIs set in the plugin settings must not be processed.
*
* @since 3.3
* @author Grégory Viguier
*
* @return bool
*/
public function can_process_uri() {
if ( self::is_memoized( __FUNCTION__ ) ) {
return self::get_memoized( __FUNCTION__ );
}
// URIs not to cache.
$uri_pattern = $this->config->get_config( 'cache_reject_uri' );
if ( ! $uri_pattern ) {
return self::memoize( __FUNCTION__, [], true );
}
$can = ! preg_match( '#^(' . $uri_pattern . ')$#i', $this->get_request_uri_base() );
return self::memoize( __FUNCTION__, [], $can );
}
/**
* Don't process if some cookies are present.
*
* @since 3.3
* @author Grégory Viguier
*
* @return bool|array
*/
public function has_rejected_cookie() {
if ( self::is_memoized( __FUNCTION__ ) ) {
return self::get_memoized( __FUNCTION__ );
}
if ( ! self::$cookies ) {
return self::memoize( __FUNCTION__, [], false );
}
$rejected_cookies = $this->config->get_rejected_cookies();
if ( ! $rejected_cookies ) {
return self::memoize( __FUNCTION__, [], false );
}
$excluded_cookies = [];
foreach ( array_keys( self::$cookies ) as $cookie_name ) {
if ( preg_match( $rejected_cookies, $cookie_name ) ) {
$excluded_cookies[] = $cookie_name;
}
}
if ( ! empty( $excluded_cookies ) ) {
return self::memoize( __FUNCTION__, [], $excluded_cookies );
}
return self::memoize( __FUNCTION__, [], false );
}
/**
* Don't process if some cookies are NOT present.
*
* @since 3.3
* @author Grégory Viguier
*
* @return bool|array
*/
public function has_mandatory_cookie() {
if ( self::is_memoized( __FUNCTION__ ) ) {
return self::get_memoized( __FUNCTION__ );
}
$mandatory_cookies = $this->config->get_mandatory_cookies();
if ( ! $mandatory_cookies ) {
return self::memoize( __FUNCTION__, [], true );
}
$missing_cookies = array_flip( explode( '|', $this->config->get_config( 'cache_mandatory_cookies' ) ) );
if ( ! self::$cookies ) {
return self::memoize( __FUNCTION__, [], $missing_cookies );
}
foreach ( array_keys( self::$cookies ) as $cookie_name ) {
if ( preg_match( $mandatory_cookies, $cookie_name ) ) {
unset( $missing_cookies[ $cookie_name ] );
}
}
if ( empty( $missing_cookies ) ) {
return self::memoize( __FUNCTION__, [], true );
}
return self::memoize( __FUNCTION__, [], array_flip( $missing_cookies ) );
}
/**
* Don't process if the user agent is in the forbidden list.
*
* @since 3.3
* @author Grégory Viguier
*
* @return bool
*/
public function can_process_user_agent() {
if ( self::is_memoized( __FUNCTION__ ) ) {
return self::get_memoized( __FUNCTION__ );
}
if ( ! $this->config->get_server_input( 'HTTP_USER_AGENT' ) ) {
return self::memoize( __FUNCTION__, [], true );
}
$rejected_uas = $this->config->get_config( 'cache_reject_ua' );
if ( ! $rejected_uas ) {
return self::memoize( __FUNCTION__, [], true );
}
$can = ! preg_match( '#' . $rejected_uas . '#', $this->config->get_server_input( 'HTTP_USER_AGENT' ) );
return self::memoize( __FUNCTION__, [], $can );
}
/**
* Don't process if the user agent is in the forbidden list.
*
* @since 3.3
* @author Grégory Viguier
*
* @return bool
*/
public function can_process_mobile() {
if ( self::is_memoized( __FUNCTION__ ) ) {
return self::get_memoized( __FUNCTION__ );
}
if ( ! $this->config->get_server_input( 'HTTP_USER_AGENT' ) ) {
return self::memoize( __FUNCTION__, [], true );
}
if ( $this->config->get_config( 'cache_mobile' ) ) {
return self::memoize( __FUNCTION__, [], true );
}
$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->config->get_server_input( 'HTTP_USER_AGENT' ) ) ) {
return self::memoize( __FUNCTION__, [], false );
}
$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->config->get_server_input( 'HTTP_USER_AGENT' ) ) ) {
return self::memoize( __FUNCTION__, [], false );
}
return self::memoize( __FUNCTION__, [], true );
}
/** ----------------------------------------------------------------------------------------- */
/** SEPARATED TESTS AFTER PAGE RESPONSE ===================================================== */
/** ----------------------------------------------------------------------------------------- */
/**
* Tell if the constant DONOTCACHEPAGE is set and not overridden.
* When defined, the page must not be cached.
*
* @since 3.3
* @author Grégory Viguier
*
* @return bool
*/
public function has_donotcachepage() {
if ( ! defined( 'DONOTCACHEPAGE' ) || ! DONOTCACHEPAGE ) {
return false;
}
/**
* At this point the constant DONOTCACHEPAGE is set to true.
* This filter allows to force the page caching.
* It prevents conflict with some plugins like Thrive Leads.
*
* @since 2.5
*
* @param bool $override_donotcachepage True will force the page to be cached.
*/
return ! apply_filters( 'rocket_override_donotcachepage', false );
}
/**
* Tell if we're in the WP’s 404 page.
*
* @since 3.3
* @author Grégory Viguier
*
* @return bool
*/
public function is_404() {
return ! function_exists( 'is_404' ) || is_404();
}
/**
* Tell if we're in the WP’s search page.
*
* @since 3.3
* @author Grégory Viguier
*
* @return bool
*/
public function is_search() {
if ( function_exists( 'is_search' ) && ! is_search() ) {
return false;
}
/**
* At this point we’re in the WP’s search page.
* This filter allows to cache search results.
*
* @since 2.3.8
*
* @param bool $cache_search True will force caching search results.
*/
return ! apply_filters( 'rocket_cache_search', false );
}
/**
* Tell if the page content has a closing </html>.
*
* @since 3.9
*
* @param string $buffer The buffer content.
* @return bool
*/
public function is_html( $buffer ) {
return (bool) preg_match( '/<\s*\/\s*html\s*>/i', $buffer );
}
/** ----------------------------------------------------------------------------------------- */
/** $_SERVER ================================================================================ */
/** ----------------------------------------------------------------------------------------- */
/**
* Get the IP address from which the user is viewing the current page.
*
* @since 3.3
* @author Grégory Viguier
*/
public function get_ip() {
if ( self::is_memoized( __FUNCTION__ ) ) {
return self::get_memoized( __FUNCTION__ );
}
$keys = [
'HTTP_CF_CONNECTING_IP', // CF = CloudFlare.
'HTTP_CLIENT_IP',
'HTTP_X_FORWARDED_FOR',
'HTTP_X_FORWARDED',
'HTTP_X_CLUSTER_CLIENT_IP',
'HTTP_X_REAL_IP',
'HTTP_FORWARDED_FOR',
'HTTP_FORWARDED',
'REMOTE_ADDR',
];
foreach ( $keys as $key ) {
if ( ! $this->config->get_server_input( $key ) ) {
continue;
}
$ip = explode( ',', $this->config->get_server_input( $key ) );
$ip = end( $ip );
if ( false !== filter_var( $ip, FILTER_VALIDATE_IP ) ) {
return self::memoize( __FUNCTION__, [], $ip );
}
}
return self::memoize( __FUNCTION__, [], '0.0.0.0' );
}
/**
* Tell if the request comes from a speed test tool.
*
* @since 3.3
* @author Grégory Viguier
*
* @return bool
*/
public function is_speed_tool() {
if ( self::is_memoized( __FUNCTION__ ) ) {
return self::get_memoized( __FUNCTION__ );
}
$ips = [
'208.70.247.157' => '', // GT Metrix - Vancouver 1.
'172.255.48.130' => '', // GT Metrix - Vancouver 2.
'172.255.48.131' => '', // GT Metrix - Vancouver 3.
'172.255.48.132' => '', // GT Metrix - Vancouver 4.
'172.255.48.133' => '', // GT Metrix - Vancouver 5.
'172.255.48.134' => '', // GT Metrix - Vancouver 6.
'172.255.48.135' => '', // GT Metrix - Vancouver 7.
'172.255.48.136' => '', // GT Metrix - Vancouver 8.
'172.255.48.137' => '', // GT Metrix - Vancouver 9.
'172.255.48.138' => '', // GT Metrix - Vancouver 10.
'172.255.48.139' => '', // GT Metrix - Vancouver 11.
'172.255.48.140' => '', // GT Metrix - Vancouver 12.
'172.255.48.141' => '', // GT Metrix - Vancouver 13.
'172.255.48.142' => '', // GT Metrix - Vancouver 14.
'172.255.48.143' => '', // GT Metrix - Vancouver 15.
'172.255.48.144' => '', // GT Metrix - Vancouver 16.
'172.255.48.145' => '', // GT Metrix - Vancouver 17.
'172.255.48.146' => '', // GT Metrix - Vancouver 18.
'172.255.48.147' => '', // GT Metrix - Vancouver 19.
'52.229.122.240' => '', // GT Metrix - Quebec City.
'104.214.72.101' => '', // GT Metrix - San Antonio, TX 1.
'13.66.7.11' => '', // GT Metrix - San Antonio, TX 2.
'13.85.24.83' => '', // GT Metrix - San Antonio, TX 3.
'13.85.24.90' => '', // GT Metrix - San Antonio, TX 4.
'13.85.82.26' => '', // GT Metrix - San Antonio, TX 5.
'40.74.242.253' => '', // GT Metrix - San Antonio, TX 6.
'40.74.243.13' => '', // GT Metrix - San Antonio, TX 7.
'40.74.243.176' => '', // GT Metrix - San Antonio, TX 8.
'104.214.48.247' => '', // GT Metrix - San Antonio, TX 9.
'157.55.189.189' => '', // GT Metrix - San Antonio, TX 10.
'104.214.110.135' => '', // GT Metrix - San Antonio, TX 11.
'70.37.83.240' => '', // GT Metrix - San Antonio, TX 12.
'65.52.36.250' => '', // GT Metrix - San Antonio, TX 13.
'13.78.216.56' => '', // GT Metrix - Cheyenne, WY.
'52.162.212.163' => '', // GT Metrix - Chicago, IL.
'23.96.34.105' => '', // GT Metrix - Danville, VA.
'65.52.113.236' => '', // GT Metrix - San Francisco, CA.
'172.255.61.34' => '', // GT Metrix - London 1.
'172.255.61.35' => '', // GT Metrix - London 2.
'172.255.61.36' => '', // GT Metrix - London 3.
'172.255.61.37' => '', // GT Metrix - London 4.
'172.255.61.38' => '', // GT Metrix - London 5.
'172.255.61.39' => '', // GT Metrix - London 6.
'172.255.61.40' => '', // GT Metrix - London 7.
'52.237.235.185' => '', // GT Metrix - Sydney 1.
'52.237.250.73' => '', // GT Metrix - Sydney 2.
'52.237.236.145' => '', // GT Metrix - Sydney 3.
'104.41.2.19' => '', // GT Metrix - SĂ£o Paulo 1.
'191.235.98.164' => '', // GT Metrix - SĂ£o Paulo 2.
'191.235.99.221' => '', // GT Metrix - SĂ£o Paulo 3.
'191.232.194.51' => '', // GT Metrix - SĂ£o Paulo 4.
'104.211.143.8' => '', // GT Metrix - Mumbai 1.
'104.211.165.53' => '', // GT Metrix - Mumbai 2.
'52.172.14.87' => '', // GT Metrix - Chennai.
'40.83.89.214' => '', // GT Metrix - Hong Kong 1.
'52.175.57.81' => '', // GT Metrix - Hong Kong 2.
'20.188.63.151' => '', // GT Metrix - Paris.
'20.52.36.49' => '', // GT Metrix - Frankfurt.
'52.246.165.153' => '', // GT Metrix - Tokyo.
'51.144.102.233' => '', // GT Metrix - Amsterdam.
'13.76.97.224' => '', // GT Metrix - Singapore.
'102.133.169.66' => '', // GT Metrix - Johannesburg.
'52.231.199.170' => '', // GT Metrix - Busan.
'13.53.162.7' => '', // GT Metrix - Stockholm.
'40.123.218.94' => '', // GT Metrix - Dubai.
];
if ( isset( $ips[ $this->get_ip() ] ) ) {
return self::memoize( __FUNCTION__, [], true );
}
if ( ! $this->config->get_server_input( 'HTTP_USER_AGENT' ) ) {
return self::memoize( __FUNCTION__, [], false );
}
$user_agent = preg_match( '#PingdomPageSpeed|DareBoost|Google|PTST|Chrome-Lighthouse|WP Rocket#i', $this->config->get_server_input( 'HTTP_USER_AGENT' ) );
return self::memoize( __FUNCTION__, [], (bool) $user_agent );
}
/**
* Determines if SSL is used.
* This is basically a copy of the WP function, where $_SERVER is not used directly.
*
* @since 3.3
* @author Grégory Viguier
*
* @return bool True if SSL, otherwise false.
*/
public function is_ssl() {
if ( null !== $this->config->get_server_input( 'HTTPS' ) ) {
if ( 'on' === strtolower( $this->config->get_server_input( 'HTTPS' ) ) ) {
return true;
}
if ( '1' === (string) $this->config->get_server_input( 'HTTPS' ) ) {
return true;
}
} elseif ( '443' === (string) $this->config->get_server_input( 'SERVER_PORT' ) ) {
return true;
}
return false;
}
/** ----------------------------------------------------------------------------------------- */
/** REQUEST URI AND METHOD ================================================================== */
/** ----------------------------------------------------------------------------------------- */
/**
* Get the request URI.
*
* @since 3.3
* @author Grégory Viguier
*
* @return string
*/
public function get_raw_request_uri() {
if ( '' === $this->config->get_server_input( 'REQUEST_URI', '' ) ) {
return '';
}
return '/' . ltrim( $this->config->get_server_input( 'REQUEST_URI' ), '/' );
}
/**
* Get the request URI without the query strings.
*
* @since 3.3
* @author Grégory Viguier
*
* @return string
*/
public function get_request_uri_base() {
$request_uri = $this->get_raw_request_uri();
if ( ! $request_uri ) {
return '';
}
$request_uri = explode( '?', $request_uri );
return reset( $request_uri );
}
/**
* Get the request URI. The query string is sorted and some parameters are removed.
*
* @since 3.3
* @author Grégory Viguier
*
* @return string
*/
public function get_clean_request_uri() {
$request_uri = $this->get_request_uri_base();
$request_uri = $this->remove_dot_segments( $request_uri );
if ( ! $request_uri ) {
return '';
}
$query_string = $this->get_query_string();
if ( ! $query_string ) {
return $request_uri;
}
return $request_uri . '?' . $query_string;
}
/**
* Get the request method.
*
* @since 3.3
* @author Grégory Viguier
*
* @return string
*/
public function get_request_method() {
if ( '' === $this->config->get_server_input( 'REQUEST_METHOD', '' ) ) {
return '';
}
return strtoupper( $this->config->get_server_input( 'REQUEST_METHOD' ) );
}
/**
* Remove dot segments from a path
*
* @param string $input Path to process.
*
* @return string
*/
private function remove_dot_segments( string $input ) {
$output = '';
while ( strpos( $input, './' ) !== false || strpos( $input, '/.' ) !== false || '.' === $input || '..' === $input ) {
/**
* A: If the input buffer begins with a prefix of "../" or "./",
* then remove that prefix from the input buffer; otherwise,
*/
if ( strpos( $input, '../' ) === 0 ) {
$input = substr( $input, 3 );
}
elseif ( strpos( $input, './' ) === 0 ) {
$input = substr( $input, 2 );
}
/**
* B: if the input buffer begins with a prefix of "/./" or "/.",
* where "." is a complete path segment, then replace that prefix
* with "/" in the input buffer; otherwise,
*/
elseif ( strpos( $input, '/./' ) === 0 ) {
$input = substr( $input, 2 );
}
elseif ( '/.' === $input ) {
$input = '/';
}
/**
* C: if the input buffer begins with a prefix of "/../" or "/..",
* where ".." is a complete path segment, then replace that prefix
* with "/" in the input buffer and remove the last segment and its
* preceding "/" (if any) from the output buffer; otherwise,
*/
elseif ( strpos( $input, '/../' ) === 0 ) {
$input = substr( $input, 3 );
$output = substr_replace( $output, '', strrpos( $output, '/' ) );
}
elseif ( '/..' === $input ) {
$input = '/';
$output = substr_replace( $output, '', strrpos( $output, '/' ) );
}
/**
* D: if the input buffer consists only of "." or "..", then remove
* that from the input buffer; otherwise,
*/
elseif ( '.' === $input || '..' === $input ) {
$input = '';
}
/**
* E: move the first path segment in the input buffer to the end of
* the output buffer, including the initial "/" character (if any)
* and any subsequent characters up to, but not including, the next
* "/" character or the end of the input buffer
*/
elseif ( strpos( $input, '/', 1 ) !== false ) {
$pos = strpos( $input, '/', 1 );
$output .= substr( $input, 0, $pos );
$input = substr_replace( $input, '', 0, $pos );
}
else {
$output .= $input;
$input = '';
}
}
return $output . $input;
}
/** ----------------------------------------------------------------------------------------- */
/** QUERY STRING ============================================================================ */
/** ----------------------------------------------------------------------------------------- */
/**
* Get the query string as an array. Parameters are sorted and some are removed.
*
* @since 3.3
* @author Grégory Viguier
*
* @return array
*/
public function get_query_params() {
if ( ! self::$get ) {
return [];
}
// Remove some parameters.
$params = array_diff_key(
self::$get,
$this->config->get_config( 'cache_ignored_parameters' )
);
if ( $params ) {
ksort( $params );
}
return $params;
}
/**
* Get the query string with sorted parameters, and some other removed.
*
* @since 3.3
* @author Grégory Viguier
*
* @return string
*/
public function get_query_string() {
return http_build_query( $this->get_query_params() );
}
/**
* Get the original query string
*
* @since 3.11.4
*
* @return string
*/
public function get_original_query_string() {
return http_build_query( $this->get_get() );
}
/** ----------------------------------------------------------------------------------------- */
/** PROPERTY GETTERS ======================================================================== */
/** ----------------------------------------------------------------------------------------- */
/**
* Get the `cookies` property.
*
* @since 3.3
* @author Grégory Viguier
*
* @return array
*/
public function get_cookies() {
return self::$cookies;
}
/**
* Get the `post` property.
*
* @since 3.3
* @author Grégory Viguier
*
* @return array
*/
public function get_post() {
return self::$post;
}
/**
* Get the `get` property.
*
* @since 3.3
* @author Grégory Viguier
*
* @return array
*/
public function get_get() {
return self::$get;
}
/** ----------------------------------------------------------------------------------------- */
/** ERRORS ================================================================================== */
/** ----------------------------------------------------------------------------------------- */
/**
* Set an "error".
*
* @since 3.3
* @author Grégory Viguier
*
* @param string $message A message.
* @param array $data Related data.
*/
protected function set_error( $message, $data = [] ) {
$this->last_error = [
'message' => $message,
'data' => (array) $data,
];
}
/**
* Get the last "error".
*
* @since 3.3
* @author Grégory Viguier
*
* @return array
*/
public function get_last_error() {
return array_merge(
[
'message' => '',
'data' => [],
],
(array) $this->last_error
);
}
}