wp_config_add_directive(); } catch ( Util_WpFile_FilesystemOperationException $ex ) { $exs->push( $ex ); } } $this->fix_folders( $config, $exs ); if ( $config->get_boolean( 'config.check' ) || $force_all_checks ) { if ( $this->is_rules_required( $config ) ) { $this->rules_core_add( $config, $exs ); $this->rules_cache_add( $config, $exs ); } else { $this->rules_core_remove( $exs ); $this->rules_cache_remove( $exs ); } } // if no errors so far - check if rewrite actually works if ( count( $exs->exceptions() ) <= 0 ) { try { if ( $config->get_boolean( 'pgcache.enabled' ) && $config->get_string( 'pgcache.engine' ) == 'file_generic' ) { $this->verify_file_generic_compatibility(); if ( $config->get_boolean( 'pgcache.debug' ) ) $this->verify_file_generic_rewrite_working(); } } catch ( \Exception $ex ) { $exs->push( $ex ); } } if ( count( $exs->exceptions() ) > 0 ) throw $exs; } /** * Fixes environment once event occurs * * @param Config $config * @param string $event * @param null|Config $old_config * @throws Util_Environment_Exceptions */ public function fix_on_event( $config, $event, $old_config = null ) { // Schedules events if ( $config->get_boolean( 'pgcache.enabled' ) && ( $config->get_string( 'pgcache.engine' ) == 'file' || $config->get_string( 'pgcache.engine' ) == 'file_generic' ) ) { if ( $old_config != null && $config->get_integer( 'pgcache.file.gc' ) != $old_config->get_integer( 'pgcache.file.gc' ) ) { $this->unschedule_gc(); } if ( !wp_next_scheduled( 'w3_pgcache_cleanup' ) ) { wp_schedule_event( time(), 'w3_pgcache_cleanup', 'w3_pgcache_cleanup' ); } } else { $this->unschedule_gc(); } // Schedule prime event if ( $config->get_boolean( 'pgcache.enabled' ) && $config->get_boolean( 'pgcache.prime.enabled' ) ) { if ( $old_config != null && $config->get_integer( 'pgcache.prime.interval' ) != $old_config->get_integer( 'pgcache.prime.interval' ) ) { $this->unschedule_prime(); } if ( !wp_next_scheduled( 'w3_pgcache_prime' ) ) { wp_schedule_event( time(), 'w3_pgcache_prime', 'w3_pgcache_prime' ); } } else { $this->unschedule_prime(); } } /** * Fixes environment after plugin deactivation * * @throws Util_Environment_Exceptions */ public function fix_after_deactivation() { $exs = new Util_Environment_Exceptions(); try { $this->wp_config_remove_directive( $exs ); } catch ( Util_WpFile_FilesystemOperationException $ex ) { $exs->push( $ex ); } $this->rules_core_remove( $exs ); $this->rules_cache_remove( $exs ); $this->unschedule_gc(); $this->unschedule_prime(); if ( count( $exs->exceptions() ) > 0 ) throw $exs; } /** * Are rewrite rules required?. * * @since 0.9.7.3 * * @param Config $c Configuration. * @return bool */ private function is_rules_required( $c ) { $e = $c->get_string( 'pgcache.engine' ); return $c->get_boolean( 'pgcache.enabled' ) && ( 'file_generic' === $e || 'nginx_memcached' === $e ); } /** * Returns required rules for module * * @param Config $config * @return array */ public function get_required_rules( $config ) { if ( !$this->is_rules_required( $config ) ) { return null; } $rewrite_rules = array(); $pgcache_rules_core_path = Util_Rule::get_pgcache_rules_core_path(); $rewrite_rules[] = array( 'filename' => $pgcache_rules_core_path, 'content' => $this->rules_core_generate( $config ), 'priority' => 1000 ); $pgcache_rules_cache_path = Util_Rule::get_pgcache_rules_cache_path(); $rewrite_rules[] = array( 'filename' => $pgcache_rules_cache_path, 'content' => $this->rules_cache_generate( $config ) ); return $rewrite_rules; } /** * Fixes folders * * @param Config $config * @param Util_Environment_Exceptions $exs */ private function fix_folders( $config, $exs ) { if ( !$config->get_boolean( 'pgcache.enabled' ) ) return; // folder that we delete if exists and not writeable if ( $config->get_string( 'pgcache.engine' ) == 'file_generic' ) $dir = W3TC_CACHE_PAGE_ENHANCED_DIR; else if ( $config->get_string( 'pgcache.engine' ) != 'file' ) $dir = W3TC_CACHE_DIR . '/page'; else return; try{ if ( file_exists( $dir ) && !is_writeable( $dir ) ) Util_WpFile::delete_folder( $dir, '', isset( $_SERVER['REQUEST_URI'] ) ? esc_url_raw( wp_unslash( $_SERVER['REQUEST_URI'] ) ) : '' ); } catch ( Util_WpFile_FilesystemRmdirException $ex ) { $exs->push( $ex ); } } /** * Checks if mode can be used */ private function verify_file_generic_compatibility() { $permalink_structure = get_option( 'permalink_structure' ); if ( $permalink_structure == '' ) { throw new Util_Environment_Exception( 'Disk Enhanced mode ' . 'can\'t work with "Default" permalinks structure' ); } } /** * Fixes environment for enabled pgcache * * @throws Util_Environment_Exceptions */ private function verify_file_generic_rewrite_working() { $url = get_home_url() . '/w3tc_rewrite_test' . rand(); if ( !$this->test_rewrite( $url ) ) { $key = sprintf( 'w3tc_rewrite_test_result_%s', substr( md5( $url ), 0, 16 ) ); $result = get_transient( $key ); $home_url = get_home_url(); $tech_message = ( Util_Environment::is_nginx() ? 'nginx configuration file' : '.htaccess file' ) . ' contains rules to rewrite url ' . $home_url . '/w3tc_rewrite_test into ' . $home_url . '/?w3tc_rewrite_test which, if handled by ' . 'plugin, return "OK" message.
'; $tech_message .= 'The plugin made a request to ' . $home_url . '/w3tc_rewrite_test but received:
' . $result . '
'; $tech_message .= 'instead of "OK" response.
'; $error = 'W3 Total Cache error: ' . 'It appears Page Cache ' . 'URL ' . 'rewriting is not working. '; if ( Util_Environment::is_preview_mode() ) { $error .= ' This could be due to using Preview mode. Click here to manually verify its working. It should say OK.
'; } if ( Util_Environment::is_nginx() ) { $error .= 'Please verify that all configuration files are ' . 'included in the configuration file ' . '(and that you have reloaded / restarted nginx).'; } else { $error .= 'Please verify that the server configuration ' . 'allows .htaccess'; } $error .= '
Unfortunately disk enhanced page caching will ' . 'not function without custom rewrite rules. ' . 'Please ask your server administrator for assistance. ' . 'Also refer to the install page for the rules for your server.'; throw new Util_Environment_Exception( $error, $tech_message ); } } /** * Perform rewrite test * * @param string $url * @return boolean */ private function test_rewrite( $url ) { $key = sprintf( 'w3tc_rewrite_test_%s', substr( md5( $url ), 0, 16 ) ); $result = get_transient( $key ); if ( $result === false ) { $response = Util_Http::get( $url ); $result = ( !is_wp_error( $response ) && $response['response']['code'] == 200 && trim( $response['body'] ) == 'OK' ); if ( $result ) { set_transient( $key, $result, 30 ); } else { $key_result = sprintf( 'w3tc_rewrite_test_result_%s', substr( md5( $url ), 0, 16 ) ); set_transient( $key_result, is_wp_error( $response )? $response->get_error_message(): implode( ' ', $response['response'] ), 30 ); } } return $result; } /** * scheduling stuff */ private function unschedule_gc() { if ( wp_next_scheduled( 'w3_pgcache_cleanup' ) ) wp_clear_scheduled_hook( 'w3_pgcache_cleanup' ); } private function unschedule_prime() { if ( wp_next_scheduled( 'w3_pgcache_prime' ) ) wp_clear_scheduled_hook( 'w3_pgcache_prime' ); } /* * wp-config modification */ /** * Enables WP_CACHE * * @throws Util_WpFile_FilesystemOperationException with S/FTP form if it can't get the required filesystem credentials */ private function wp_config_add_directive() { $config_path = Util_Environment::wp_config_path(); $config_data = @file_get_contents( $config_path ); if ( $config_data === false ) return; $new_config_data = $this->wp_config_remove_from_content( $config_data ); $new_config_data = preg_replace( '~<\?(php)?~', "\\0\r\n" . $this->wp_config_addon(), $new_config_data, 1 ); if ( $new_config_data != $config_data ) { try { Util_WpFile::write_to_file( $config_path, $new_config_data ); } catch ( Util_WpFile_FilesystemOperationException $ex ) { throw new Util_WpFile_FilesystemModifyException( $ex->getMessage(), $ex->credentials_form(), 'Edit file ' . $config_path . ' and add next lines:', $config_path, $this->wp_config_addon() ); } } // that file was in opcache for sure and it may take time to // start execution of new modified now version $o = Dispatcher::component( 'SystemOpCache_Core' ); $o->flush(); } /** * Disables WP_CACHE * * @throws Util_WpFile_FilesystemOperationException with S/FTP form if it can't get the required filesystem credentials */ private function wp_config_remove_directive() { $config_path = Util_Environment::wp_config_path(); $config_data = @file_get_contents( $config_path ); if ( $config_data === false ) return; $new_config_data = $this->wp_config_remove_from_content( $config_data ); if ( $new_config_data != $config_data ) { try { Util_WpFile::write_to_file( $config_path, $new_config_data ); } catch ( Util_WpFile_FilesystemOperationException $ex ) { throw new Util_WpFile_FilesystemModifyException( $ex->getMessage(), $ex->credentials_form(), 'Edit file ' . $config_path . ' and remove next lines:', $config_path, $this->wp_config_addon() ); } } } /** * Returns string Addon required for plugin in wp-config */ private function wp_config_addon() { return "/** Enable W3 Total Cache */\r\n" . "define('WP_CACHE', true); // Added by W3 Total Cache\r\n"; } /** * Disables WP_CACHE * * @param string $config_data wp-config.php content * @return string * @throws Util_WpFile_FilesystemOperationException with S/FTP form if it can't get the required filesystem credentials */ private function wp_config_remove_from_content( $config_data ) { $config_data = preg_replace( "~\\/\\*\\* Enable W3 Total Cache \\*\\*?\\/.*?\\/\\/ Added by W3 Total Cache(\r\n)*~s", '', $config_data ); $config_data = preg_replace( "~(\\/\\/\\s*)?define\\s*\\(\\s*['\"]?WP_CACHE['\"]?\\s*,.*?\\)\\s*;+\\r?\\n?~is", '', $config_data ); return $config_data; } /** * rules core modification */ /** * Writes directives to WP .htaccess / nginx.conf * returns true if modifications has been made */ private function rules_core_add( $config, $exs ) { Util_Rule::add_rules( $exs, Util_Rule::get_pgcache_rules_core_path(), $this->rules_core_generate( $config ), W3TC_MARKER_BEGIN_PGCACHE_CORE, W3TC_MARKER_END_PGCACHE_CORE, array( W3TC_MARKER_BEGIN_WORDPRESS => 0, W3TC_MARKER_END_MINIFY_CORE => strlen( W3TC_MARKER_END_MINIFY_CORE ) + 1, W3TC_MARKER_END_BROWSERCACHE_CACHE => strlen( W3TC_MARKER_END_BROWSERCACHE_CACHE ) + 1, W3TC_MARKER_END_PGCACHE_CACHE => strlen( W3TC_MARKER_END_PGCACHE_CACHE ) + 1, W3TC_MARKER_END_MINIFY_CACHE => strlen( W3TC_MARKER_END_MINIFY_CACHE ) + 1 ), true ); } /** * Removes Page Cache core directives * * @param Util_Environment_Exceptions $exs * @throws Util_WpFile_FilesystemOperationException with S/FTP form if it can't get the required filesystem credentials */ private function rules_core_remove( $exs ) { Util_Rule::remove_rules( $exs, Util_Rule::get_pgcache_rules_core_path(), W3TC_MARKER_BEGIN_PGCACHE_CORE, W3TC_MARKER_END_PGCACHE_CORE ); } /** * Generates rules for WP dir * * @param Config $config * @return string */ private function rules_core_generate( $config ) { switch ( true ) { case Util_Environment::is_apache(): case Util_Environment::is_litespeed(): return $this->rules_core_generate_apache( $config ); case Util_Environment::is_nginx(): return $this->rules_core_generate_nginx( $config ); } return ''; } /** * Generates rules for WP dir * * @param Config $config * @return string */ private function rules_core_generate_apache( $config ) { $rewrite_base = Util_Environment::network_home_url_uri(); $cache_dir = Util_Environment::normalize_path( W3TC_CACHE_PAGE_ENHANCED_DIR ); $permalink_structure = get_option( 'permalink_structure' ); $current_user = wp_get_current_user(); /** * Auto reject cookies */ $reject_cookies = array( 'comment_author', 'wp-postpass' ); $reject_cookies[] = 'w3tc_logged_out'; /** * Reject cache for logged in users * OR * Reject cache for roles if any */ if ( $config->get_boolean( 'pgcache.reject.logged' ) ) { $reject_cookies = array_merge( $reject_cookies, array( 'wordpress_logged_in' ) ); } elseif ( $config->get_boolean( 'pgcache.reject.logged_roles' ) ) { $new_cookies = array(); foreach ( $config->get_array( 'pgcache.reject.roles' ) as $role ) { $new_cookies[] = 'w3tc_logged_' . md5( NONCE_KEY . $role ); } $reject_cookies = array_merge( $reject_cookies, $new_cookies ); } /** * Custom config */ $reject_cookies = array_merge( $reject_cookies, $config->get_array( 'pgcache.reject.cookie' ) ); Util_Rule::array_trim( $reject_cookies ); $reject_user_agents = $config->get_array( 'pgcache.reject.ua' ); if ( $config->get_boolean( 'pgcache.compatibility' ) ) { $reject_user_agents = array_merge( array( W3TC_POWERED_BY ), $reject_user_agents ); } Util_Rule::array_trim( $reject_user_agents ); /** * Generate directives */ $env_W3TC_UA = ''; $env_W3TC_REF = ''; $env_W3TC_COOKIE = ''; $env_W3TC_SSL = ''; $env_W3TC_ENC = ''; $rules = ''; $rules .= W3TC_MARKER_BEGIN_PGCACHE_CORE . "\n"; $rules .= "\n"; $rules .= " RewriteEngine On\n"; $rules .= " RewriteBase " . $rewrite_base . "\n"; if ( $config->get_boolean( 'pgcache.debug' ) ) { $rules .= " RewriteRule ^(.*\\/)?w3tc_rewrite_test([0-9]+)/?$ $1?w3tc_rewrite_test=1 [L]\n"; } /** * Set accept query strings */ $w3tc_query_strings = apply_filters( 'w3tc_pagecache_rules_apache_accept_qs', $config->get_array( 'pgcache.accept.qs' ) ); Util_Rule::array_trim( $w3tc_query_strings ); if ( !empty( $w3tc_query_strings ) ) { $w3tc_query_strings = str_replace( ' ', '+', $w3tc_query_strings ); $w3tc_query_strings = array_map( array( '\W3TC\Util_Environment', 'preg_quote' ), $w3tc_query_strings ); $rules .= " RewriteRule ^ - [E=W3TC_QUERY_STRING:%{QUERY_STRING}]\n"; foreach ( $w3tc_query_strings as $query ) { $query_rules = array(); if ( strpos( $query, '=' ) === false ) { $query_rules[] = 'RewriteCond %{ENV:W3TC_QUERY_STRING} ^(.*?&|)' . $query . '(=[^&]*)?(&.*|)$ [NC]'; $query_rules[] = 'RewriteRule ^ - [E=W3TC_QUERY_STRING:%1%3]'; } else { $query_rules[] = 'RewriteCond %{ENV:W3TC_QUERY_STRING} ^(.*?&|)' . $query . '(&.*|)$ [NC]'; $query_rules[] = 'RewriteRule ^ - [E=W3TC_QUERY_STRING:%1%2]'; } $query_rules = apply_filters( 'w3tc_pagecache_rules_apache_accept_qs_rules', $query_rules, $query ); $rules .= ' ' . implode( "\n ", $query_rules ) . "\n"; } $rules .= " RewriteCond %{ENV:W3TC_QUERY_STRING} ^&+$\n"; $rules .= " RewriteRule ^ - [E=W3TC_QUERY_STRING]\n"; } /** * Check for mobile redirect */ if ( $config->get_boolean( 'mobile.enabled' ) ) { $mobile_groups = $config->get_array( 'mobile.rgroups' ); foreach ( $mobile_groups as $mobile_group => $mobile_config ) { $mobile_enabled = ( isset( $mobile_config['enabled'] ) ? (boolean) $mobile_config['enabled'] : false ); $mobile_agents = ( isset( $mobile_config['agents'] ) ? (array) $mobile_config['agents'] : '' ); $mobile_redirect = ( isset( $mobile_config['redirect'] ) ? $mobile_config['redirect'] : '' ); if ( $mobile_enabled && count( $mobile_agents ) && $mobile_redirect ) { $rules .= " RewriteCond %{HTTP_USER_AGENT} (" . implode( '|', $mobile_agents ) . ") [NC]\n"; $rules .= " RewriteRule .* " . $mobile_redirect . " [R,L]\n"; } } } /** * Check for referrer redirect */ if ( $config->get_boolean( 'referrer.enabled' ) ) { $referrer_groups = $config->get_array( 'referrer.rgroups' ); foreach ( $referrer_groups as $referrer_group => $referrer_config ) { $referrer_enabled = ( isset( $referrer_config['enabled'] ) ? (boolean) $referrer_config['enabled'] : false ); $referrer_referrers = ( isset( $referrer_config['referrers'] ) ? (array) $referrer_config['referrers'] : '' ); $referrer_redirect = ( isset( $referrer_config['redirect'] ) ? $referrer_config['redirect'] : '' ); if ( $referrer_enabled && count( $referrer_referrers ) && $referrer_redirect ) { $rules .= " RewriteCond %{HTTP_COOKIE} w3tc_referrer=.*(" . implode( '|', $referrer_referrers ) . ") [NC]\n"; $rules .= " RewriteRule .* " . $referrer_redirect . " [R,L]\n"; } } } /** * Set mobile groups */ if ( $config->get_boolean( 'mobile.enabled' ) ) { $mobile_groups = array_reverse( $config->get_array( 'mobile.rgroups' ) ); foreach ( $mobile_groups as $mobile_group => $mobile_config ) { $mobile_enabled = ( isset( $mobile_config['enabled'] ) ? (boolean) $mobile_config['enabled'] : false ); $mobile_agents = ( isset( $mobile_config['agents'] ) ? (array) $mobile_config['agents'] : '' ); $mobile_redirect = ( isset( $mobile_config['redirect'] ) ? $mobile_config['redirect'] : '' ); if ( $mobile_enabled && count( $mobile_agents ) && !$mobile_redirect ) { $rules .= " RewriteCond %{HTTP_USER_AGENT} (" . implode( '|', $mobile_agents ) . ") [NC]\n"; $rules .= " RewriteRule .* - [E=W3TC_UA:_" . $mobile_group . "]\n"; $env_W3TC_UA = '%{ENV:W3TC_UA}'; } } } /** * Set referrer groups */ if ( $config->get_boolean( 'referrer.enabled' ) ) { $referrer_groups = array_reverse( $config->get_array( 'referrer.rgroups' ) ); foreach ( $referrer_groups as $referrer_group => $referrer_config ) { $referrer_enabled = ( isset( $referrer_config['enabled'] ) ? (boolean) $referrer_config['enabled'] : false ); $referrer_referrers = ( isset( $referrer_config['referrers'] ) ? (array) $referrer_config['referrers'] : '' ); $referrer_redirect = ( isset( $referrer_config['redirect'] ) ? $referrer_config['redirect'] : '' ); if ( $referrer_enabled && count( $referrer_referrers ) && !$referrer_redirect ) { $rules .= " RewriteCond %{HTTP_COOKIE} w3tc_referrer=.*(" . implode( '|', $referrer_referrers ) . ") [NC]\n"; $rules .= " RewriteRule .* - [E=W3TC_REF:_" . $referrer_group . "]\n"; $env_W3TC_REF = '%{ENV:W3TC_REF}'; } } } /** * Set cookie group */ if ( $config->get_boolean( 'pgcache.cookiegroups.enabled' ) ) { $cookie_groups = $config->get_array( 'pgcache.cookiegroups.groups' ); foreach ( $cookie_groups as $group_name => $g ) { if ( isset( $g['enabled'] ) && $g['enabled'] ) { $cookies = array(); foreach ($g['cookies'] as $cookie ) { $cookie = trim( $cookie ); if ( !empty( $cookie ) ) { $cookie = str_replace( '+', ' ', $cookie ); $cookie = Util_Environment::preg_quote( $cookie ); if ( strpos( $cookie, '=') === false ) $cookie .= '=.*'; $cookies[] = $cookie; } } if ( count( $cookies ) > 0 ) { $cookies_regexp = '^(.*;\s*)?(' . implode( '|', $cookies ) . ')(\s*;.*)?$'; $rules .= " RewriteCond %{HTTP_COOKIE} $cookies_regexp [NC]\n"; $rules .= " RewriteRule .* - [E=W3TC_COOKIE:_" . $group_name . "]\n"; $env_W3TC_COOKIE = '%{ENV:W3TC_COOKIE}'; } } } } /** * Set HTTPS */ if ( $config->get_boolean( 'pgcache.cache.ssl' ) ) { $rules .= " RewriteCond %{HTTPS} =on\n"; $rules .= " RewriteRule .* - [E=W3TC_SSL:_ssl]\n"; $rules .= " RewriteCond %{SERVER_PORT} =443\n"; $rules .= " RewriteRule .* - [E=W3TC_SSL:_ssl]\n"; $rules .= " RewriteCond %{HTTP:X-Forwarded-Proto} =https [NC]\n"; $rules .= " RewriteRule .* - [E=W3TC_SSL:_ssl]\n"; $env_W3TC_SSL = '%{ENV:W3TC_SSL}'; } $cache_path = str_replace( Util_Environment::document_root(), '', $cache_dir ); /** * Set Accept-Encoding */ if ( $config->get_boolean( 'browsercache.enabled' ) && $config->get_boolean( 'browsercache.html.brotli' ) ) { $rules .= " RewriteCond %{HTTP:Accept-Encoding} br\n"; $rules .= " RewriteRule .* - [E=W3TC_ENC:_br]\n"; $env_W3TC_ENC = '%{ENV:W3TC_ENC}'; } else if ( $config->get_boolean( 'browsercache.enabled' ) && $config->get_boolean( 'browsercache.html.compression' ) ) { $rules .= " RewriteCond %{HTTP:Accept-Encoding} gzip\n"; $rules .= " RewriteRule .* - [E=W3TC_ENC:_gzip]\n"; $env_W3TC_ENC = '%{ENV:W3TC_ENC}'; } $rules .= " RewriteCond %{HTTP_COOKIE} w3tc_preview [NC]\n"; $rules .= " RewriteRule .* - [E=W3TC_PREVIEW:_preview]\n"; $env_W3TC_PREVIEW = '%{ENV:W3TC_PREVIEW}'; $rules .= " RewriteCond %{REQUEST_URI} \\/$\n"; $rules .= " RewriteRule .* - [E=W3TC_SLASH:_slash]\n"; $env_W3TC_SLASH = '%{ENV:W3TC_SLASH}'; $use_cache_rules = ''; /** * Don't accept POSTs */ $use_cache_rules .= " RewriteCond %{REQUEST_METHOD} !=POST\n"; /** * Query string should be empty */ $use_cache_rules .= empty( $w3tc_query_strings ) ? " RewriteCond %{QUERY_STRING} =\"\"\n" : " RewriteCond %{ENV:W3TC_QUERY_STRING} =\"\"\n"; /** * Check for rejected cookies */ $use_cache_rules .= " RewriteCond %{HTTP_COOKIE} !(" . implode( '|', array_map( array( '\W3TC\Util_Environment', 'preg_quote' ), $reject_cookies ) ) . ") [NC]\n"; /** * Check for rejected user agents */ if ( count( $reject_user_agents ) ) { $use_cache_rules .= " RewriteCond %{HTTP_USER_AGENT} !(" . implode( '|', array_map( array( '\W3TC\Util_Environment', 'preg_quote' ), $reject_user_agents ) ) . ") [NC]\n"; } /** * Make final rewrites for specific files */ $uri_prefix = $cache_path . '/%{HTTP_HOST}/%{REQUEST_URI}/' . '_index' . $env_W3TC_SLASH . $env_W3TC_UA . $env_W3TC_REF . $env_W3TC_COOKIE . $env_W3TC_SSL . $env_W3TC_PREVIEW; $uri_prefix = apply_filters( 'w3tc_pagecache_rules_apache_uri_prefix', $uri_prefix ); $switch = " -" . ( $config->get_boolean( 'pgcache.file.nfs' ) ? 'F' : 'f' ); $document_root = Util_Rule::apache_docroot_variable(); // write rule to rewrite to .html/.xml file $exts = array( '.html' ); if ($config->get_boolean('pgcache.cache.nginx_handle_xml')) $exts[] = '.xml'; foreach ( $exts as $ext ) { $rules .= $use_cache_rules; $rules .= " RewriteCond \"" . $document_root . $uri_prefix . $ext . $env_W3TC_ENC . "\"" . $switch . "\n"; $rules .= " RewriteRule .* \"" . $uri_prefix . $ext . $env_W3TC_ENC . "\" [L]\n"; } $rules .= "\n"; $rules .= W3TC_MARKER_END_PGCACHE_CORE . "\n"; return $rules; } /** * Generates rules for WP dir * * @param Config $config * @return string */ private function rules_core_generate_nginx( $config ) { $is_network = Util_Environment::is_wpmu(); $cache_dir = Util_Environment::normalize_path( W3TC_CACHE_PAGE_ENHANCED_DIR ); $permalink_structure = get_option( 'permalink_structure' ); $pgcache_engine = $config->get_string( 'pgcache.engine' ); /** * Auto reject cookies */ $reject_cookies = array( 'comment_author', 'wp-postpass' ); if ( $pgcache_engine == 'file_generic' ) { $reject_cookies[] = 'w3tc_logged_out'; } /** * Reject cache for logged in users * OR * Reject cache for roles if any */ if ( $config->get_boolean( 'pgcache.reject.logged' ) ) { $reject_cookies = array_merge( $reject_cookies, array( 'wordpress_logged_in' ) ); } elseif ( $config->get_boolean( 'pgcache.reject.logged_roles' ) ) { $new_cookies = array(); foreach ( $config->get_array( 'pgcache.reject.roles' ) as $role ) { $new_cookies[] = 'w3tc_logged_' . md5( NONCE_KEY . $role ); } $reject_cookies = array_merge( $reject_cookies, $new_cookies ); } /** * Custom config */ $reject_cookies = array_merge( $reject_cookies, $config->get_array( 'pgcache.reject.cookie' ) ); Util_Rule::array_trim( $reject_cookies ); $reject_user_agents = $config->get_array( 'pgcache.reject.ua' ); if ( $config->get_boolean( 'pgcache.compatibility' ) ) { $reject_user_agents = array_merge( array( W3TC_POWERED_BY ), $reject_user_agents ); } Util_Rule::array_trim( $reject_user_agents ); /** * Generate rules */ $env_w3tc_ua = ''; $env_w3tc_ref = ''; $env_w3tc_cookie = ''; $env_w3tc_ssl = ''; $env_w3tc_ext = ''; $env_w3tc_enc = ''; $env_request_uri = '$request_uri'; $rules = ''; $rules .= W3TC_MARKER_BEGIN_PGCACHE_CORE . "\n"; if ( $config->get_boolean( 'pgcache.debug' ) ) { $rules .= "rewrite ^(.*\\/)?w3tc_rewrite_test([0-9]+)/?$ $1?w3tc_rewrite_test=1 last;\n"; } /** * Set accept query strings */ $w3tc_query_strings = apply_filters( 'w3tc_pagecache_rules_nginx_accept_qs', $config->get_array( 'pgcache.accept.qs' ) ); Util_Rule::array_trim( $w3tc_query_strings ); if ( !empty( $w3tc_query_strings ) ) { $w3tc_query_strings = str_replace( ' ', '+', $w3tc_query_strings ); $w3tc_query_strings = array_map( array( '\W3TC\Util_Environment', 'preg_quote' ), $w3tc_query_strings ); $rules .= "set \$w3tc_query_string \$query_string;\n"; foreach ( $w3tc_query_strings as $query ) { $query_rules = array(); if ( strpos( $query, '=' ) === false ) { $query_rules[] = 'if ($w3tc_query_string ~* "^(.*?&|)' . $query . '(=[^&]*)?(&.*|)$") {'; $query_rules[] = ' set $w3tc_query_string $1$3;'; $query_rules[] = '}'; } else { $query_rules[] = 'if ($w3tc_query_string ~* "^(.*?&|)' . $query . '(&.*|)$") {'; $query_rules[] = ' set $w3tc_query_string $1$2;'; $query_rules[] = '}'; } $query_rules = apply_filters( 'w3tc_pagecache_rules_nginx_accept_qs_rules', $query_rules, $query ); $rules .= implode( "\n", $query_rules ) . "\n"; } $rules .= "if (\$w3tc_query_string ~ ^[?&]+$) {\n"; $rules .= " set \$w3tc_query_string \"\";\n"; $rules .= "}\n"; $rules .= "set \$w3tc_request_uri \$request_uri;\n"; $rules .= "if (\$w3tc_request_uri ~* \"^([^?]+)\?\") {\n"; $rules .= " set \$w3tc_request_uri \$1;\n"; $rules .= "}\n"; $env_request_uri = '$w3tc_request_uri'; } /** * Check for mobile redirect */ if ( $config->get_boolean( 'mobile.enabled' ) ) { $mobile_groups = $config->get_array( 'mobile.rgroups' ); foreach ( $mobile_groups as $mobile_group => $mobile_config ) { $mobile_enabled = ( isset( $mobile_config['enabled'] ) ? (boolean) $mobile_config['enabled'] : false ); $mobile_agents = ( isset( $mobile_config['agents'] ) ? (array) $mobile_config['agents'] : '' ); $mobile_redirect = ( isset( $mobile_config['redirect'] ) ? $mobile_config['redirect'] : '' ); if ( $mobile_enabled && count( $mobile_agents ) && $mobile_redirect ) { $rules .= "if (\$http_user_agent ~* \"(" . implode( '|', $mobile_agents ) . ")\") {\n"; $rules .= " rewrite .* " . $mobile_redirect . " last;\n"; $rules .= "}\n"; } } } /** * Check for referrer redirect */ if ( $config->get_boolean( 'referrer.enabled' ) ) { $referrer_groups = $config->get_array( 'referrer.rgroups' ); foreach ( $referrer_groups as $referrer_group => $referrer_config ) { $referrer_enabled = ( isset( $referrer_config['enabled'] ) ? (boolean) $referrer_config['enabled'] : false ); $referrer_referrers = ( isset( $referrer_config['referrers'] ) ? (array) $referrer_config['referrers'] : '' ); $referrer_redirect = ( isset( $referrer_config['redirect'] ) ? $referrer_config['redirect'] : '' ); if ( $referrer_enabled && count( $referrer_referrers ) && $referrer_redirect ) { $rules .= "if (\$http_cookie ~* \"w3tc_referrer=.*(" . implode( '|', $referrer_referrers ) . ")\") {\n"; $rules .= " rewrite .* " . $referrer_redirect . " last;\n"; $rules .= "}\n"; } } } /** * Don't accept POSTs */ $rules .= "set \$w3tc_rewrite 1;\n"; $rules .= "if (\$request_method = POST) {\n"; $rules .= " set \$w3tc_rewrite 0;\n"; $rules .= "}\n"; /** * Query string should be empty */ $querystring_variable = ( empty( $w3tc_query_strings ) ? '$query_string' : '$w3tc_query_string' ); $rules .= "if (" . $querystring_variable . " != \"\") {\n"; $rules .= " set \$w3tc_rewrite 0;\n"; $rules .= "}\n"; $rules .= "set \$w3tc_slash \"\";\n"; $rules .= "if ($env_request_uri ~ \\/$) {\n"; $rules .= " set \$w3tc_slash _slash;\n"; $rules .= "}\n"; $env_w3tc_slash = "\$w3tc_slash"; /** * Check for rejected cookies */ $rules .= "if (\$http_cookie ~* \"(" . implode( '|', array_map( array( '\W3TC\Util_Environment', 'preg_quote' ), $reject_cookies ) ) . ")\") {\n"; $rules .= " set \$w3tc_rewrite 0;\n"; $rules .= "}\n"; /** * Check for rejected user agents */ if ( count( $reject_user_agents ) ) { $rules .= "if (\$http_user_agent ~* \"(" . implode( '|', array_map( array( '\W3TC\Util_Environment', 'preg_quote' ), $reject_user_agents ) ) . ")\") {\n"; $rules .= " set \$w3tc_rewrite 0;\n"; $rules .= "}\n"; } /** * Check mobile groups */ if ( $config->get_boolean( 'mobile.enabled' ) ) { $mobile_groups = array_reverse( $config->get_array( 'mobile.rgroups' ) ); $set_ua_var = true; foreach ( $mobile_groups as $mobile_group => $mobile_config ) { $mobile_enabled = ( isset( $mobile_config['enabled'] ) ? (boolean) $mobile_config['enabled'] : false ); $mobile_agents = ( isset( $mobile_config['agents'] ) ? (array) $mobile_config['agents'] : '' ); $mobile_redirect = ( isset( $mobile_config['redirect'] ) ? $mobile_config['redirect'] : '' ); if ( $mobile_enabled && count( $mobile_agents ) && !$mobile_redirect ) { if ( $set_ua_var ) { $rules .= "set \$w3tc_ua \"\";\n"; $set_ua_var = false; } $rules .= "if (\$http_user_agent ~* \"(" . implode( '|', $mobile_agents ) . ")\") {\n"; $rules .= " set \$w3tc_ua _" . $mobile_group . ";\n"; $rules .= "}\n"; $env_w3tc_ua = "\$w3tc_ua"; } } } /** * Check for preview cookie */ $rules .= "set \$w3tc_preview \"\";\n"; $rules .= "if (\$http_cookie ~* \"(w3tc_preview)\") {\n"; $rules .= " set \$w3tc_preview _preview;\n"; $rules .= "}\n"; $env_w3tc_preview = "\$w3tc_preview"; /** * Check referrer groups */ if ( $config->get_boolean( 'referrer.enabled' ) ) { $referrer_groups = array_reverse( $config->get_array( 'referrer.rgroups' ) ); $set_ref_var = true; foreach ( $referrer_groups as $referrer_group => $referrer_config ) { $referrer_enabled = ( isset( $referrer_config['enabled'] ) ? (boolean) $referrer_config['enabled'] : false ); $referrer_referrers = ( isset( $referrer_config['referrers'] ) ? (array) $referrer_config['referrers'] : '' ); $referrer_redirect = ( isset( $referrer_config['redirect'] ) ? $referrer_config['redirect'] : '' ); if ( $referrer_enabled && count( $referrer_referrers ) && !$referrer_redirect ) { if ( $set_ref_var ) { $rules .= "set \$w3tc_ref \"\";\n"; $set_ref_var = false; } $rules .= "if (\$http_cookie ~* \"w3tc_referrer=.*(" . implode( '|', $referrer_referrers ) . ")\") {\n"; $rules .= " set \$w3tc_ref _" . $referrer_group . ";\n"; $rules .= "}\n"; $env_w3tc_ref = "\$w3tc_ref"; } } } /** * Set cookie group */ if ( $config->get_boolean( 'pgcache.cookiegroups.enabled' ) ) { $cookie_groups = $config->get_array( 'pgcache.cookiegroups.groups' ); $set_cookie_var = true; foreach ( $cookie_groups as $group_name => $g ) { if ( isset( $g['enabled'] ) && $g['enabled'] ) { $cookies = array(); foreach ($g['cookies'] as $cookie ) { $cookie = trim( $cookie ); if ( !empty( $cookie ) ) { $cookie = str_replace( '+', ' ', $cookie ); $cookie = Util_Environment::preg_quote( $cookie ); if ( strpos( $cookie, '=') === false ) $cookie .= '=.*'; $cookies[] = $cookie; } } if ( count( $cookies ) > 0 ) { $cookies_regexp = '"^(.*;)?(' . implode( '|', $cookies ) . ')(;.*)?$"'; if ( $set_cookie_var ) { $rules .= "set \$w3tc_cookie \"\";\n"; $set_cookie_var = false; } $rules .= "if (\$http_cookie ~* $cookies_regexp) {\n"; $rules .= " set \$w3tc_cookie _" . $group_name . ";\n"; $rules .= "}\n"; $env_w3tc_cookie = "\$w3tc_cookie"; } } } } if ( $config->get_boolean( 'pgcache.cache.ssl' ) ) { $rules .= "set \$w3tc_ssl \"\";\n"; $rules .= "if (\$scheme = https) {\n"; $rules .= " set \$w3tc_ssl _ssl;\n"; $rules .= "}\n"; $rules .= "if (\$http_x_forwarded_proto = 'https') {\n"; $rules .= " set \$w3tc_ssl _ssl;\n"; $rules .= "}\n"; $env_w3tc_ssl = '$w3tc_ssl'; } if ( $config->get_boolean( 'browsercache.enabled' ) && $config->get_boolean( 'browsercache.html.brotli' ) ) { $rules .= "set \$w3tc_enc \"\";\n"; $rules .= "if (\$http_accept_encoding ~ br) {\n"; $rules .= " set \$w3tc_enc _br;\n"; $rules .= "}\n"; $env_w3tc_enc = '$w3tc_enc'; } if ( $config->get_boolean( 'browsercache.enabled' ) && $config->get_boolean( 'browsercache.html.compression' ) ) { $rules .= "set \$w3tc_enc \"\";\n"; $rules .= "if (\$http_accept_encoding ~ gzip) {\n"; $rules .= " set \$w3tc_enc _gzip;\n"; $rules .= "}\n"; $env_w3tc_enc = '$w3tc_enc'; } $key_postfix = $env_w3tc_slash . $env_w3tc_ua . $env_w3tc_ref . $env_w3tc_cookie . $env_w3tc_ssl . $env_w3tc_preview; if ( $pgcache_engine == 'file_generic' ) { $rules .= $this->for_file_generic( $config, $cache_dir, $env_request_uri, $key_postfix, $env_w3tc_enc ); } elseif ( $pgcache_engine == 'nginx_memcached' ) { $rules .= $this->for_nginx_memcached( $config, $cache_dir, $env_request_uri, $key_postfix, $env_w3tc_enc ); } $rules .= W3TC_MARKER_END_PGCACHE_CORE . "\n"; return $rules; } private function for_file_generic( $config, $cache_dir, $env_request_uri, $key_postfix, $env_w3tc_enc ) { $rules = ''; $cache_path = str_replace( Util_Environment::document_root(), '', $cache_dir ); $uri_prefix = "$cache_path/\$http_host/$env_request_uri/_index$key_postfix"; $uri_prefix = apply_filters( 'w3tc_pagecache_rules_nginx_uri_prefix', $uri_prefix ); if ( !$config->get_boolean( 'pgcache.cache.nginx_handle_xml' ) ) { $env_w3tc_ext = '.html'; $rules .= 'if (!-f "$document_root' . $uri_prefix . '.html' . $env_w3tc_enc . '") {' . "\n"; $rules .= ' set $w3tc_rewrite 0;' . "\n"; $rules .= "}\n"; } else { $env_w3tc_ext = '$w3tc_ext'; $rules .= 'set $w3tc_ext "";' . "\n"; $rules .= 'if (-f "$document_root' . $uri_prefix . '.html' . $env_w3tc_enc . '") {' . "\n"; $rules .= ' set $w3tc_ext .html;' . "\n"; $rules .= "}\n"; $rules .= 'if (-f "$document_root' . $uri_prefix . '.xml' . $env_w3tc_enc . '") {' . "\n"; $rules .= ' set $w3tc_ext .xml;' . "\n"; $rules .= "}\n"; $rules .= 'if ($w3tc_ext = "") {' . "\n"; $rules .= ' set $w3tc_rewrite 0;' . "\n"; $rules .= "}\n"; } $rules .= 'if ($w3tc_rewrite = 1) {' . "\n"; $rules .= ' rewrite .* "' . $uri_prefix . $env_w3tc_ext . $env_w3tc_enc . '" last;' . "\n"; $rules .= "}\n"; return $rules; } private function for_nginx_memcached( $config, $cache_dir, $env_request_uri, $key_postfix, $env_w3tc_enc ) { $rules = "set \$request_uri_noslash $env_request_uri;\n"; $rules .= "if ($env_request_uri ~ \"(.*?)(/+)$\") {\n"; $rules .= ' set $request_uri_noslash $1;' . "\n"; $rules .= "}\n"; $cache_path = str_replace( Util_Environment::document_root(), '', $cache_dir ); $rules .= 'location ~ ".*(?get_boolean( 'browsercache.enabled' ) && $config->get_boolean( 'browsercache.html.compression' ) ) { $rules .= ' memcached_gzip_flag 65536;' . "\n"; } $rules .= ' default_type text/html;' . "\n"; $memcached_servers = $config->get_array( 'pgcache.memcached.servers' ); $memcached_pass = !empty( $memcached_servers ) ? array_values( $memcached_servers )[0] : 'localhost:11211'; $rules .= ' if ($w3tc_rewrite = 1) {' . "\n"; $rules .= ' memcached_pass ' . $memcached_pass . ';' . "\n"; $rules .= " }\n"; $rules .= ' error_page 404 502 504 = @fallback;' . "\n"; $rules .= "}\n"; $rules .= 'location @fallback {' . "\n"; $rules .= ' try_files $uri $uri/ $uri.html /index.php?$args;' . "\n"; $rules .= "}\n"; return $rules; } /* * cache rules */ /** * Writes directives to file cache .htaccess * Throws exception on error * * @param Config $config * @param Util_Environment_Exceptions $exs */ private function rules_cache_add( $config, $exs ) { Util_Rule::add_rules( $exs, Util_Rule::get_pgcache_rules_cache_path(), $this->rules_cache_generate( $config ), W3TC_MARKER_BEGIN_PGCACHE_CACHE, W3TC_MARKER_END_PGCACHE_CACHE, array( W3TC_MARKER_BEGIN_BROWSERCACHE_CACHE => 0, W3TC_MARKER_BEGIN_MINIFY_CORE => 0, W3TC_MARKER_BEGIN_PGCACHE_CORE => 0, W3TC_MARKER_BEGIN_WORDPRESS => 0, W3TC_MARKER_END_MINIFY_CACHE => strlen( W3TC_MARKER_END_MINIFY_CACHE ) + 1 ) ); } /** * Removes Page Cache cache directives * * @param Util_Environment_Exceptions $exs * @throws Util_WpFile_FilesystemOperationException with S/FTP form if it can't get the required filesystem credentials */ private function rules_cache_remove( $exs ) { // apache's cache files are not used when core rules disabled if ( !Util_Environment::is_nginx() ) return; Util_Rule::remove_rules( $exs, Util_Rule::get_pgcache_rules_cache_path(), W3TC_MARKER_BEGIN_PGCACHE_CACHE, W3TC_MARKER_END_PGCACHE_CACHE ); } /** * Generates directives for file cache dir * * @param Config $config * @return string */ public function rules_cache_generate( $config ) { switch ( true ) { case Util_Environment::is_apache(): case Util_Environment::is_litespeed(): return $this->rules_cache_generate_apache( $config ); case Util_Environment::is_nginx(): return $this->rules_cache_generate_nginx( $config ); } return ''; } /** * Generates directives for file cache dir * * @param Config $config * @return string */ private function rules_cache_generate_apache( $config ) { $charset = get_option( 'blog_charset' ); $pingback_url = get_bloginfo( 'pingback_url' ); $browsercache = $config->get_boolean( 'browsercache.enabled' ); $brotli = ( $browsercache && $config->get_boolean( 'browsercache.html.brotli' ) ); $compression = ( $browsercache && $config->get_boolean( 'browsercache.html.compression' ) ); $expires = ( $browsercache && $config->get_boolean( 'browsercache.html.expires' ) ); $lifetime = ( $browsercache ? $config->get_integer( 'browsercache.html.lifetime' ) : 0 ); $cache_control = ( $browsercache && $config->get_boolean( 'browsercache.html.cache.control' ) ); $etag = ( $browsercache && $config->get_integer( 'browsercache.html.etag' ) ); $w3tc = ( $browsercache && $config->get_integer( 'browsercache.html.w3tc' ) ); $compatibility = $config->get_boolean( 'pgcache.compatibility' ); $rules = ''; $rules .= W3TC_MARKER_BEGIN_PGCACHE_CACHE . "\n"; if ( $compatibility ) { $rules .= "Options -MultiViews\n"; // allow to read files by apache if they are blocked at some level above $rules .= "\n"; if ( version_compare( Util_Environment::get_server_version(), '2.4', '>=' ) ) { $rules .= " Require all granted\n"; } else { $rules .= " Order Allow,Deny\n"; $rules .= " Allow from all\n"; } $rules .= "\n"; if ( !$etag ) { $rules .= "FileETag None\n"; } } if ( $config->get_boolean( 'pgcache.file.nfs' ) ) { $rules .= "EnableSendfile Off \n"; } if ( !$config->get_boolean( 'pgcache.remove_charset' ) ) { $rules .= "AddDefaultCharset " . ( $charset ? $charset : 'utf-8' ) . "\n"; } if ( $etag ) { $rules .= "FileETag MTime Size\n"; } if ( $brotli ) { $rules .= "\n"; $rules .= " AddType text/html .html_br\n"; $rules .= " AddEncoding br .html_br\n"; $rules .= " AddType text/xml .xml_br\n"; $rules .= " AddEncoding br .xml_br\n"; $rules .= "\n"; $rules .= "\n"; $rules .= " SetEnvIfNoCase Request_URI \\.html_br$ no-brotli\n"; $rules .= " SetEnvIfNoCase Request_URI \\.xml_br$ no-brotli\n"; $rules .= "\n"; } if ( $compression ) { $rules .= "\n"; $rules .= " AddType text/html .html_gzip\n"; $rules .= " AddEncoding gzip .html_gzip\n"; $rules .= " AddType text/xml .xml_gzip\n"; $rules .= " AddEncoding gzip .xml_gzip\n"; $rules .= "\n"; $rules .= "\n"; $rules .= " SetEnvIfNoCase Request_URI \\.html_gzip$ no-gzip\n"; $rules .= " SetEnvIfNoCase Request_URI \\.xml_gzip$ no-gzip\n"; $rules .= "\n"; } if ( $expires ) { $rules .= "\n"; $rules .= " ExpiresActive On\n"; $rules .= " ExpiresByType text/html M" . $lifetime . "\n"; $rules .= "\n"; } $header_rules = ''; if ( $compatibility ) { $header_rules .= " Header set X-Pingback \"" . $pingback_url . "\"\n"; } if ( $w3tc ) { $header_rules .= " Header set X-Powered-By \"" . Util_Environment::w3tc_header() . "\"\n"; } if ( $expires ) { $header_rules .= " Header set Vary \"Accept-Encoding, Cookie\"\n"; } $set_last_modified = $config->get_boolean( 'browsercache.html.last_modified' ); if ( !$set_last_modified && $config->get_boolean( 'browsercache.enabled' ) ) { $header_rules .= " Header unset Last-Modified\n"; } if ( $cache_control ) { $cache_policy = $config->get_string( 'browsercache.html.cache.policy' ); switch ( $cache_policy ) { case 'cache': $header_rules .= " Header set Pragma \"public\"\n"; $header_rules .= " Header set Cache-Control \"public\"\n"; break; case 'cache_public_maxage': $header_rules .= " Header set Pragma \"public\"\n"; if ( $expires ) { $header_rules .= " Header append Cache-Control \"public\"\n"; } else { $header_rules .= " Header set Cache-Control \"max-age=" . $lifetime . ", public\"\n"; } break; case 'cache_validation': $header_rules .= " Header set Pragma \"public\"\n"; $header_rules .= " Header set Cache-Control \"public, must-revalidate, proxy-revalidate\"\n"; break; case 'cache_noproxy': $header_rules .= " Header set Pragma \"public\"\n"; $header_rules .= " Header set Cache-Control \"private, must-revalidate\"\n"; break; case 'cache_maxage': $header_rules .= " Header set Pragma \"public\"\n"; if ( $expires ) { $header_rules .= " Header append Cache-Control \"public, must-revalidate, proxy-revalidate\"\n"; } else { $header_rules .= " Header set Cache-Control \"max-age=" . $lifetime . ", public, must-revalidate, proxy-revalidate\"\n"; } break; case 'no_cache': $header_rules .= " Header set Pragma \"no-cache\"\n"; $header_rules .= " Header set Cache-Control \"max-age=0, private, no-store, no-cache, must-revalidate\"\n"; break; } } if ( strlen( $header_rules ) > 0 ) { $rules .= "\n"; $rules .= $header_rules; $rules .= "\n"; } $rules .= W3TC_MARKER_END_PGCACHE_CACHE . "\n"; return $rules; } /** * Generates directives for file cache dir * * @param Config $config * @return string */ private function rules_cache_generate_nginx( $config ) { if ( $config->get_string( 'pgcache.engine') != 'file_generic' ) { return ''; } $cache_root = Util_Environment::normalize_path( W3TC_CACHE_PAGE_ENHANCED_DIR ); $cache_dir = rtrim( str_replace( Util_Environment::document_root(), '', $cache_root ), '/' ); if ( Util_Environment::is_wpmu() ) { $cache_dir = preg_replace( '~/w3tc.*?/~', '/w3tc.*?/', $cache_dir, 1 ); } $browsercache = $config->get_boolean( 'browsercache.enabled' ); $brotli = ( $browsercache && $config->get_boolean( 'browsercache.html.brotli' ) ); $compression = ( $browsercache && $config->get_boolean( 'browsercache.html.compression' ) ); $common_rules_a = Dispatcher::nginx_rules_for_browsercache_section( $config, 'html', true ); $common_rules = ''; if ( !empty( $common_rules_a ) ) { $common_rules = ' ' . implode( "\n ", $common_rules_a ) . "\n"; } $rules = ''; $rules .= W3TC_MARKER_BEGIN_PGCACHE_CACHE . "\n"; if ( $brotli ) { $maybe_xml = ''; if ($config->get_boolean('pgcache.cache.nginx_handle_xml')) { $maybe_xml = "\n" . " text/xml xml_br;\n" . " "; } $rules .= "location ~ " . $cache_dir . ".*br$ {\n"; $rules .= " brotli off;\n"; $rules .= " types {" . $maybe_xml . "}\n"; $rules .= " default_type text/html;\n"; $rules .= " add_header Content-Encoding br;\n"; $rules .= $common_rules; $rules .= "}\n"; } if ( $compression ) { $maybe_xml = ''; if ($config->get_boolean('pgcache.cache.nginx_handle_xml')) { $maybe_xml = "\n" . " text/xml xml_gzip;\n" . " "; } $rules .= "location ~ " . $cache_dir . ".*gzip$ {\n"; $rules .= " gzip off;\n"; $rules .= " types {" . $maybe_xml . "}\n"; $rules .= " default_type text/html;\n"; $rules .= " add_header Content-Encoding gzip;\n"; $rules .= $common_rules; $rules .= "}\n"; } $rules .= W3TC_MARKER_END_PGCACHE_CACHE . "\n"; return $rules; } }