1522 lines
46 KiB
PHP
1522 lines
46 KiB
PHP
<?php
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namespace W3TC;
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/**
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* class PgCache_Environment
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*/
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class PgCache_Environment {
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/**
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* Fixes environment in each wp-admin request
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*
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* @param Config $config
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* @param bool $force_all_checks
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*
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* @throws Util_Environment_Exceptions
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*/
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public function fix_on_wpadmin_request( $config, $force_all_checks ) {
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$exs = new Util_Environment_Exceptions();
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if ( ( !defined( 'WP_CACHE' ) || !WP_CACHE ) ) {
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try {
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$this->wp_config_add_directive();
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} catch ( Util_WpFile_FilesystemOperationException $ex ) {
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$exs->push( $ex );
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}
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}
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$this->fix_folders( $config, $exs );
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if ( $config->get_boolean( 'config.check' ) || $force_all_checks ) {
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if ( $this->is_rules_required( $config ) ) {
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$this->rules_core_add( $config, $exs );
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$this->rules_cache_add( $config, $exs );
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} else {
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$this->rules_core_remove( $exs );
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$this->rules_cache_remove( $exs );
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}
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}
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// if no errors so far - check if rewrite actually works
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if ( count( $exs->exceptions() ) <= 0 ) {
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try {
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if ( $config->get_boolean( 'pgcache.enabled' ) &&
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$config->get_string( 'pgcache.engine' ) == 'file_generic' ) {
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$this->verify_file_generic_compatibility();
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if ( $config->get_boolean( 'pgcache.debug' ) )
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$this->verify_file_generic_rewrite_working();
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}
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} catch ( \Exception $ex ) {
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$exs->push( $ex );
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}
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}
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if ( count( $exs->exceptions() ) > 0 )
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throw $exs;
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}
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/**
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* Fixes environment once event occurs
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*
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* @param Config $config
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* @param string $event
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* @param null|Config $old_config
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* @throws Util_Environment_Exceptions
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*/
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public function fix_on_event( $config, $event, $old_config = null ) {
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// Schedules events
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if ( $config->get_boolean( 'pgcache.enabled' ) &&
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( $config->get_string( 'pgcache.engine' ) == 'file' ||
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$config->get_string( 'pgcache.engine' ) == 'file_generic' ) ) {
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if ( $old_config != null &&
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$config->get_integer( 'pgcache.file.gc' ) !=
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$old_config->get_integer( 'pgcache.file.gc' ) ) {
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$this->unschedule_gc();
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}
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if ( !wp_next_scheduled( 'w3_pgcache_cleanup' ) ) {
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wp_schedule_event( time(),
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'w3_pgcache_cleanup', 'w3_pgcache_cleanup' );
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}
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} else {
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$this->unschedule_gc();
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}
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// Schedule prime event
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if ( $config->get_boolean( 'pgcache.enabled' ) &&
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$config->get_boolean( 'pgcache.prime.enabled' ) ) {
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if ( $old_config != null &&
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$config->get_integer( 'pgcache.prime.interval' ) !=
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$old_config->get_integer( 'pgcache.prime.interval' ) ) {
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$this->unschedule_prime();
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}
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if ( !wp_next_scheduled( 'w3_pgcache_prime' ) ) {
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wp_schedule_event( time(),
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'w3_pgcache_prime', 'w3_pgcache_prime' );
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}
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} else {
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$this->unschedule_prime();
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}
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}
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/**
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* Fixes environment after plugin deactivation
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*
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* @throws Util_Environment_Exceptions
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*/
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public function fix_after_deactivation() {
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$exs = new Util_Environment_Exceptions();
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try {
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$this->wp_config_remove_directive( $exs );
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} catch ( Util_WpFile_FilesystemOperationException $ex ) {
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$exs->push( $ex );
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}
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$this->rules_core_remove( $exs );
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$this->rules_cache_remove( $exs );
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$this->unschedule_gc();
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$this->unschedule_prime();
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if ( count( $exs->exceptions() ) > 0 )
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throw $exs;
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}
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/**
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* Are rewrite rules required?.
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*
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* @since 0.9.7.3
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*
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* @param Config $c Configuration.
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* @return bool
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*/
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private function is_rules_required( $c ) {
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$e = $c->get_string( 'pgcache.engine' );
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return $c->get_boolean( 'pgcache.enabled' ) &&
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( 'file_generic' === $e || 'nginx_memcached' === $e );
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}
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/**
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* Returns required rules for module
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*
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* @param Config $config
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* @return array
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*/
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public function get_required_rules( $config ) {
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if ( !$this->is_rules_required( $config ) ) {
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return null;
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}
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$rewrite_rules = array();
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$pgcache_rules_core_path = Util_Rule::get_pgcache_rules_core_path();
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$rewrite_rules[] = array(
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'filename' => $pgcache_rules_core_path,
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'content' => $this->rules_core_generate( $config ),
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'priority' => 1000
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);
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$pgcache_rules_cache_path = Util_Rule::get_pgcache_rules_cache_path();
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$rewrite_rules[] = array(
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'filename' => $pgcache_rules_cache_path,
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'content' => $this->rules_cache_generate( $config )
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);
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return $rewrite_rules;
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}
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/**
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* Fixes folders
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*
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* @param Config $config
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* @param Util_Environment_Exceptions $exs
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*/
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private function fix_folders( $config, $exs ) {
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if ( !$config->get_boolean( 'pgcache.enabled' ) )
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return;
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// folder that we delete if exists and not writeable
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if ( $config->get_string( 'pgcache.engine' ) == 'file_generic' )
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$dir = W3TC_CACHE_PAGE_ENHANCED_DIR;
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else if ( $config->get_string( 'pgcache.engine' ) != 'file' )
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$dir = W3TC_CACHE_DIR . '/page';
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else
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return;
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try{
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if ( file_exists( $dir ) && !is_writeable( $dir ) )
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Util_WpFile::delete_folder( $dir, '', isset( $_SERVER['REQUEST_URI'] ) ? esc_url_raw( wp_unslash( $_SERVER['REQUEST_URI'] ) ) : '' );
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} catch ( Util_WpFile_FilesystemRmdirException $ex ) {
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$exs->push( $ex );
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}
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}
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/**
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* Checks if mode can be used
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*/
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private function verify_file_generic_compatibility() {
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$permalink_structure = get_option( 'permalink_structure' );
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if ( $permalink_structure == '' ) {
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throw new Util_Environment_Exception( 'Disk Enhanced mode ' .
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'can\'t work with "Default" permalinks structure' );
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}
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}
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/**
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* Fixes environment for enabled pgcache
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*
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* @throws Util_Environment_Exceptions
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*/
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private function verify_file_generic_rewrite_working() {
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$url = get_home_url() . '/w3tc_rewrite_test' . rand();
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if ( !$this->test_rewrite( $url ) ) {
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$key = sprintf( 'w3tc_rewrite_test_result_%s', substr( md5( $url ), 0, 16 ) );
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$result = get_transient( $key );
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$home_url = get_home_url();
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$tech_message =
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( Util_Environment::is_nginx() ? 'nginx configuration file' : '.htaccess file' ) .
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' contains rules to rewrite url ' .
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$home_url . '/w3tc_rewrite_test into ' .
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$home_url . '/?w3tc_rewrite_test which, if handled by ' .
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'plugin, return "OK" message.<br/>';
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$tech_message .= 'The plugin made a request to ' .
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$home_url . '/w3tc_rewrite_test but received: <br />' .
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$result . '<br />';
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$tech_message .= 'instead of "OK" response. <br />';
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$error = '<strong>W3 Total Cache error:</strong> ' .
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'It appears Page Cache ' .
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'<acronym title="Uniform Resource Locator">URL</acronym> ' .
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'rewriting is not working. ';
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if ( Util_Environment::is_preview_mode() ) {
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$error .= ' This could be due to using Preview mode. <a href="' . $url . '">Click here</a> to manually verify its working. It should say OK. <br />';
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}
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if ( Util_Environment::is_nginx() ) {
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$error .= 'Please verify that all configuration files are ' .
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'included in the configuration file ' .
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'(and that you have reloaded / restarted nginx).';
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} else {
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$error .= 'Please verify that the server configuration ' .
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'allows .htaccess';
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}
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$error .= '<br />Unfortunately disk enhanced page caching will ' .
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'not function without custom rewrite rules. ' .
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'Please ask your server administrator for assistance. ' .
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'Also refer to <a href="' .
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admin_url( 'admin.php?page=w3tc_install' ) .
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'">the install page</a> for the rules for your server.';
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throw new Util_Environment_Exception( $error, $tech_message );
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}
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}
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/**
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* Perform rewrite test
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*
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* @param string $url
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* @return boolean
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*/
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private function test_rewrite( $url ) {
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$key = sprintf( 'w3tc_rewrite_test_%s', substr( md5( $url ), 0, 16 ) );
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$result = get_transient( $key );
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if ( $result === false ) {
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$response = Util_Http::get( $url );
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$result = ( !is_wp_error( $response ) && $response['response']['code'] == 200 && trim( $response['body'] ) == 'OK' );
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if ( $result ) {
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set_transient( $key, $result, 30 );
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} else {
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$key_result = sprintf( 'w3tc_rewrite_test_result_%s', substr( md5( $url ), 0, 16 ) );
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set_transient( $key_result, is_wp_error( $response )? $response->get_error_message(): implode( ' ', $response['response'] ), 30 );
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}
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}
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return $result;
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}
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/**
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* scheduling stuff
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*/
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private function unschedule_gc() {
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if ( wp_next_scheduled( 'w3_pgcache_cleanup' ) )
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wp_clear_scheduled_hook( 'w3_pgcache_cleanup' );
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}
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private function unschedule_prime() {
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if ( wp_next_scheduled( 'w3_pgcache_prime' ) )
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wp_clear_scheduled_hook( 'w3_pgcache_prime' );
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}
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/*
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* wp-config modification
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*/
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/**
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* Enables WP_CACHE
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*
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* @throws Util_WpFile_FilesystemOperationException with S/FTP form if it can't get the required filesystem credentials
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*/
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private function wp_config_add_directive() {
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$config_path = Util_Environment::wp_config_path();
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$config_data = @file_get_contents( $config_path );
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if ( $config_data === false )
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return;
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$new_config_data = $this->wp_config_remove_from_content( $config_data );
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$new_config_data = preg_replace(
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'~<\?(php)?~',
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"\\0\r\n" . $this->wp_config_addon(),
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$new_config_data,
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1 );
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if ( $new_config_data != $config_data ) {
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try {
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Util_WpFile::write_to_file( $config_path, $new_config_data );
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} catch ( Util_WpFile_FilesystemOperationException $ex ) {
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throw new Util_WpFile_FilesystemModifyException(
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$ex->getMessage(), $ex->credentials_form(),
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'Edit file <strong>' . $config_path .
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'</strong> and add next lines:', $config_path,
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$this->wp_config_addon() );
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}
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}
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// that file was in opcache for sure and it may take time to
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// start execution of new modified now version
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$o = Dispatcher::component( 'SystemOpCache_Core' );
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$o->flush();
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}
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/**
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* Disables WP_CACHE
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*
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* @throws Util_WpFile_FilesystemOperationException with S/FTP form if it can't get the required filesystem credentials
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*/
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private function wp_config_remove_directive() {
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$config_path = Util_Environment::wp_config_path();
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$config_data = @file_get_contents( $config_path );
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if ( $config_data === false )
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return;
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$new_config_data = $this->wp_config_remove_from_content( $config_data );
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if ( $new_config_data != $config_data ) {
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try {
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Util_WpFile::write_to_file( $config_path, $new_config_data );
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} catch ( Util_WpFile_FilesystemOperationException $ex ) {
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throw new Util_WpFile_FilesystemModifyException(
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$ex->getMessage(), $ex->credentials_form(),
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'Edit file <strong>' . $config_path .
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'</strong> and remove next lines:',
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$config_path, $this->wp_config_addon() );
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}
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}
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}
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/**
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* Returns string Addon required for plugin in wp-config
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*/
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private function wp_config_addon() {
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return "/** Enable W3 Total Cache */\r\n" .
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"define('WP_CACHE', true); // Added by W3 Total Cache\r\n";
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}
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/**
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* Disables WP_CACHE
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*
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* @param string $config_data wp-config.php content
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* @return string
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* @throws Util_WpFile_FilesystemOperationException with S/FTP form if it can't get the required filesystem credentials
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*/
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private function wp_config_remove_from_content( $config_data ) {
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$config_data = preg_replace(
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"~\\/\\*\\* Enable W3 Total Cache \\*\\*?\\/.*?\\/\\/ Added by W3 Total Cache(\r\n)*~s",
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'', $config_data );
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$config_data = preg_replace(
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"~(\\/\\/\\s*)?define\\s*\\(\\s*['\"]?WP_CACHE['\"]?\\s*,.*?\\)\\s*;+\\r?\\n?~is",
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'', $config_data );
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return $config_data;
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}
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/**
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* rules core modification
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*/
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/**
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* Writes directives to WP .htaccess / nginx.conf
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* returns true if modifications has been made
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*/
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private function rules_core_add( $config, $exs ) {
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Util_Rule::add_rules( $exs, Util_Rule::get_pgcache_rules_core_path(),
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$this->rules_core_generate( $config ),
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W3TC_MARKER_BEGIN_PGCACHE_CORE,
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W3TC_MARKER_END_PGCACHE_CORE,
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array(
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W3TC_MARKER_BEGIN_WORDPRESS => 0,
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W3TC_MARKER_END_MINIFY_CORE =>
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strlen( W3TC_MARKER_END_MINIFY_CORE ) + 1,
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W3TC_MARKER_END_BROWSERCACHE_CACHE =>
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strlen( W3TC_MARKER_END_BROWSERCACHE_CACHE ) + 1,
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W3TC_MARKER_END_PGCACHE_CACHE =>
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strlen( W3TC_MARKER_END_PGCACHE_CACHE ) + 1,
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W3TC_MARKER_END_MINIFY_CACHE =>
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strlen( W3TC_MARKER_END_MINIFY_CACHE ) + 1
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),
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true
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);
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}
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/**
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* Removes Page Cache core directives
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*
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* @param Util_Environment_Exceptions $exs
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* @throws Util_WpFile_FilesystemOperationException with S/FTP form if it can't get the required filesystem credentials
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*/
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private function rules_core_remove( $exs ) {
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Util_Rule::remove_rules( $exs, Util_Rule::get_pgcache_rules_core_path(),
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W3TC_MARKER_BEGIN_PGCACHE_CORE,
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W3TC_MARKER_END_PGCACHE_CORE
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);
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}
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/**
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* Generates rules for WP dir
|
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*
|
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* @param Config $config
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* @return string
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*/
|
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private function rules_core_generate( $config ) {
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switch ( true ) {
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case Util_Environment::is_apache():
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case Util_Environment::is_litespeed():
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return $this->rules_core_generate_apache( $config );
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case Util_Environment::is_nginx():
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return $this->rules_core_generate_nginx( $config );
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}
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return '';
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}
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|
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/**
|
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* Generates rules for WP dir
|
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*
|
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* @param Config $config
|
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* @return string
|
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*/
|
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private function rules_core_generate_apache( $config ) {
|
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$rewrite_base = Util_Environment::network_home_url_uri();
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$cache_dir = Util_Environment::normalize_path( W3TC_CACHE_PAGE_ENHANCED_DIR );
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$permalink_structure = get_option( 'permalink_structure' );
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$current_user = wp_get_current_user();
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/**
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* Auto reject cookies
|
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*/
|
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$reject_cookies = array(
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'comment_author',
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'wp-postpass'
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);
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$reject_cookies[] = 'w3tc_logged_out';
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|
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/**
|
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* Reject cache for logged in users
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* OR
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* Reject cache for roles if any
|
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*/
|
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if ( $config->get_boolean( 'pgcache.reject.logged' ) ) {
|
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$reject_cookies = array_merge( $reject_cookies, array(
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'wordpress_logged_in'
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) );
|
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} elseif ( $config->get_boolean( 'pgcache.reject.logged_roles' ) ) {
|
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$new_cookies = array();
|
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foreach ( $config->get_array( 'pgcache.reject.roles' ) as $role ) {
|
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$new_cookies[] = 'w3tc_logged_' . md5( NONCE_KEY . $role );
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}
|
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$reject_cookies = array_merge( $reject_cookies, $new_cookies );
|
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}
|
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|
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/**
|
|
* Custom config
|
|
*/
|
|
$reject_cookies = array_merge( $reject_cookies, $config->get_array( 'pgcache.reject.cookie' ) );
|
|
Util_Rule::array_trim( $reject_cookies );
|
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|
|
$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 .= "<IfModule mod_rewrite.c>\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 .= "</IfModule>\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 );
|
|
|
|
$rules .= 'location ~ ".*(?<!php)$" {' . "\n";
|
|
$rules .= ' set $memcached_key "$http_host$request_uri_noslash/' .
|
|
$key_postfix . $env_w3tc_enc . '";' . "\n";
|
|
|
|
if ( $config->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
|
|
$rules .= "<Files ~ \"\.(html|html_gzip|html_br|xml|xml_gzip|xml_br)$\">\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";
|
|
}
|
|
|
|
$rules .= "</Files>\n";
|
|
|
|
if ( !$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 .= "<IfModule mod_mime.c>\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 .= "</IfModule>\n";
|
|
$rules .= "<IfModule mod_setenvif.c>\n";
|
|
$rules .= " SetEnvIfNoCase Request_URI \\.html_br$ no-brotli\n";
|
|
$rules .= " SetEnvIfNoCase Request_URI \\.xml_br$ no-brotli\n";
|
|
$rules .= "</IfModule>\n";
|
|
}
|
|
|
|
if ( $compression ) {
|
|
$rules .= "<IfModule mod_mime.c>\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 .= "</IfModule>\n";
|
|
$rules .= "<IfModule mod_setenvif.c>\n";
|
|
$rules .= " SetEnvIfNoCase Request_URI \\.html_gzip$ no-gzip\n";
|
|
$rules .= " SetEnvIfNoCase Request_URI \\.xml_gzip$ no-gzip\n";
|
|
$rules .= "</IfModule>\n";
|
|
}
|
|
|
|
if ( $expires ) {
|
|
$rules .= "<IfModule mod_expires.c>\n";
|
|
$rules .= " ExpiresActive On\n";
|
|
$rules .= " ExpiresByType text/html M" . $lifetime . "\n";
|
|
$rules .= "</IfModule>\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 .= "<IfModule mod_headers.c>\n";
|
|
$rules .= $header_rules;
|
|
$rules .= "</IfModule>\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;
|
|
}
|
|
}
|