AlkantarClanX12
Your IP : 18.220.200.33
<?php
namespace W3TC;
/**
* class Cdn_Environment
*/
class Cdn_Environment {
public function __construct() {
add_filter( 'w3tc_browsercache_rules_section_extensions',
array( $this, 'w3tc_browsercache_rules_section_extensions' ),
10, 3 );
add_filter( 'w3tc_browsercache_rules_section',
array( $this, 'w3tc_browsercache_rules_section' ),
10, 3 );
}
/**
* Fixes environment in each wp-admin request
*
* @param Config $config
* @param bool $force_all_checks
* @throws Util_Environment_Exceptions
*/
public function fix_on_wpadmin_request( $config, $force_all_checks ) {
$exs = new Util_Environment_Exceptions();
if ( $config->get_boolean( 'config.check' ) || $force_all_checks ) {
if ( $config->get_boolean( 'cdn.enabled' ) ) {
$this->rules_add( $config, $exs );
} else {
$this->rules_remove( $exs );
}
}
if ( count( $exs->exceptions() ) > 0 )
throw $exs;
}
/**
* Fixes environment once event occurs
*
* @param Config $config
* @param string $event
* @param Config|null $old_config
* @throws Util_Environment_Exceptions
*/
public function fix_on_event( $config, $event, $old_config = null ) {
if ( $config->get_boolean( 'cdn.enabled' ) &&
!Cdn_Util::is_engine_mirror( $config->get_string( 'cdn.engine' ) ) ) {
if ( $old_config != null &&
$config->get_integer( 'cdn.queue.interval' ) !=
$old_config->get_integer( 'cdn.queue.interval' ) ) {
$this->unschedule_queue_process();
}
if ( !wp_next_scheduled( 'w3_cdn_cron_queue_process' ) ) {
wp_schedule_event( time(),
'w3_cdn_cron_queue_process', 'w3_cdn_cron_queue_process' );
}
} else {
$this->unschedule_queue_process();
}
if ( $config->get_boolean( 'cdn.enabled' ) &&
$config->get_boolean( 'cdn.autoupload.enabled' ) &&
!Cdn_Util::is_engine_mirror( $config->get_string( 'cdn.engine' ) ) ) {
if ( $old_config != null &&
$config->get_integer( 'cdn.autoupload.interval' ) !=
$old_config->get_integer( 'cdn.autoupload.interval' ) ) {
$this->unschedule_upload();
}
if ( !wp_next_scheduled( 'w3_cdn_cron_upload' ) ) {
wp_schedule_event( time(),
'w3_cdn_cron_upload', 'w3_cdn_cron_upload' );
}
} else {
$this->unschedule_upload();
}
$exs = new Util_Environment_Exceptions();
if ( $config->get_boolean( 'cdn.enabled' ) ) {
try {
$this->handle_tables(
$event == 'activate' /* drop state on activation */,
true );
} catch ( \Exception $ex ) {
$exs->push( $ex );
}
}
if ( count( $exs->exceptions() ) > 0 )
throw $exs;
}
/**
* Fixes environment after plugin deactivation
*/
public function fix_after_deactivation() {
$exs = new Util_Environment_Exceptions();
$this->rules_remove( $exs );
$this->handle_tables( true, false );
if ( count( $exs->exceptions() ) > 0 )
throw $exs;
}
/**
* Returns required rules for module
*
* @param Config $config
* @return array|null
*/
function get_required_rules( $config ) {
if ( !$config->get_boolean( 'cdn.enabled' ) )
return null;
$rewrite_rules = array();
$rules = $this->rules_generate( $config );
if ( strlen( $rules ) > 0 ) {
if ( $config->get_string( 'cdn.engine' ) == 'ftp' ) {
$common = Dispatcher::component( 'Cdn_Core' );
$domain = $common->get_cdn()->get_domain();
$cdn_rules_path = sprintf( 'ftp://%s/%s', $domain,
Util_Rule::get_cdn_rules_path() );
$rewrite_rules[] = array(
'filename' => $cdn_rules_path,
'content' => $rules
);
}
$path = Util_Rule::get_browsercache_rules_cache_path();
$rewrite_rules[] = array(
'filename' => $path,
'content' => $rules
);
}
return $rewrite_rules;
}
/**
*
*
* @param Config $config
* @return array|null
*/
function get_instructions( $config ) {
if ( !$config->get_boolean( 'cdn.enabled' ) )
return null;
$instructions = array();
$instructions[] = array( 'title'=>__( 'CDN module: Required Database SQL', 'w3-total-cache' ),
'content' => $this->generate_table_sql(), 'area' => 'database' );
return $instructions;
}
/**
* Generate rules for FTP
*/
public function rules_generate_for_ftp( $config ) {
return $this->rules_generate( $config, true );
}
/**
* Create tables
*
* @param bool $drop
* @throws Util_Environment_Exception
*/
private function handle_tables( $drop, $create ) {
global $wpdb;
$tablename_queue = $wpdb->base_prefix . W3TC_CDN_TABLE_QUEUE;
$tablename_map = $wpdb->base_prefix . W3TC_CDN_TABLE_PATHMAP;
if ( $drop ) {
$sql = "DROP TABLE IF EXISTS `$tablename_queue`;";
$wpdb->query( $sql );
$sql = "DROP TABLE IF EXISTS `$tablename_map`;";
$wpdb->query( $sql );
}
if ( !$create ) {
return;
}
$charset_collate = '';
if ( ! empty( $wpdb->charset ) )
$charset_collate = "DEFAULT CHARACTER SET $wpdb->charset";
if ( ! empty( $wpdb->collate ) )
$charset_collate .= " COLLATE $wpdb->collate";
$sql = "CREATE TABLE IF NOT EXISTS `$tablename_queue` (
`id` int(11) unsigned NOT NULL AUTO_INCREMENT,
`local_path` varchar(500) NOT NULL DEFAULT '',
`remote_path` varchar(500) NOT NULL DEFAULT '',
`command` tinyint(1) unsigned NOT NULL DEFAULT '0' COMMENT '1 - Upload, 2 - Delete, 3 - Purge',
`last_error` varchar(150) NOT NULL DEFAULT '',
`date` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
PRIMARY KEY (`id`),
KEY `date` (`date`)
) $charset_collate;";
$wpdb->query( $sql );
if ( !$wpdb->result )
throw new Util_Environment_Exception( 'Can\'t create table ' .
$tablename_queue );
$sql = "
CREATE TABLE IF NOT EXISTS `$tablename_map` (
-- Relative file path.
-- For reference, not actually used for finding files.
path TEXT NOT NULL,
-- MD5 hash of remote path, used for finding files.
path_hash VARCHAR(32) CHARACTER SET ascii NOT NULL,
type tinyint(1) NOT NULL DEFAULT '0',
-- Google Drive: document identifier
remote_id VARCHAR(200) CHARACTER SET ascii,
PRIMARY KEY (path_hash),
KEY `remote_id` (`remote_id`)
) $charset_collate";
$wpdb->query( $sql );
if ( !$wpdb->result )
throw new Util_Environment_Exception( 'Can\'t create table ' .
$tablename_map );
}
private function generate_table_sql() {
global $wpdb;
$charset_collate = '';
if ( ! empty( $wpdb->charset ) )
$charset_collate = "DEFAULT CHARACTER SET $wpdb->charset";
if ( ! empty( $wpdb->collate ) )
$charset_collate .= " COLLATE $wpdb->collate";
$sql = sprintf( 'DROP TABLE IF EXISTS `%s%s`;', $wpdb->base_prefix, W3TC_CDN_TABLE_QUEUE );
$sql .= "\n" . sprintf( "CREATE TABLE IF NOT EXISTS `%s%s` (
`id` int(11) unsigned NOT NULL AUTO_INCREMENT,
`local_path` varchar(500) NOT NULL DEFAULT '',
`remote_path` varchar(500) NOT NULL DEFAULT '',
`command` tinyint(1) unsigned NOT NULL DEFAULT '0' COMMENT '1 - Upload, 2 - Delete, 3 - Purge',
`last_error` varchar(150) NOT NULL DEFAULT '',
`date` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
PRIMARY KEY (`id`),
KEY `date` (`date`)
) $charset_collate;", $wpdb->base_prefix, W3TC_CDN_TABLE_QUEUE );
return $sql;
}
/**
* schedules
*/
/**
* Unschedules cron events
*/
private function unschedule_queue_process() {
if ( wp_next_scheduled( 'w3_cdn_cron_queue_process' ) ) {
wp_clear_scheduled_hook( 'w3_cdn_cron_queue_process' );
}
}
/**
* Unschedule upload event
*/
private function unschedule_upload() {
if ( wp_next_scheduled( 'w3_cdn_cron_upload' ) ) {
wp_clear_scheduled_hook( 'w3_cdn_cron_upload' );
}
}
/*
* rules core modification
*/
/**
* Writes directives to WP .htaccess
*
* @param Config $config
* @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_add( $config, $exs ) {
Util_Rule::add_rules( $exs, Util_Rule::get_browsercache_rules_cache_path(),
$this->rules_generate( $config ),
W3TC_MARKER_BEGIN_CDN,
W3TC_MARKER_END_CDN,
array(
W3TC_MARKER_BEGIN_MINIFY_CORE => 0,
W3TC_MARKER_BEGIN_PGCACHE_CORE => 0,
W3TC_MARKER_BEGIN_BROWSERCACHE_CACHE => 0,
W3TC_MARKER_BEGIN_WORDPRESS => 0,
W3TC_MARKER_END_PGCACHE_CACHE => strlen( W3TC_MARKER_END_PGCACHE_CACHE ) + 1,
W3TC_MARKER_END_MINIFY_CACHE => strlen( W3TC_MARKER_END_MINIFY_CACHE ) + 1
)
);
}
/**
* 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_remove( $exs ) {
Util_Rule::remove_rules( $exs,
Util_Rule::get_browsercache_rules_cache_path(),
W3TC_MARKER_BEGIN_CDN,
W3TC_MARKER_END_CDN );
}
/**
* Generates rules for WP dir
*
* @param Config $config
* @param bool $cdnftp
* @return string
*/
private function rules_generate( $config, $cdnftp = false ) {
if ( Util_Environment::is_nginx() ) {
$o = new Cdn_Environment_Nginx( $config );
return $o->generate( $cdnftp );
} elseif ( Util_Environment::is_litespeed() ) {
$o = new Cdn_Environment_LiteSpeed( $config );
return $o->generate( $cdnftp );
} else {
return $this->rules_generate_apache( $config, $cdnftp );
}
}
private function rules_generate_apache( $config, $cdnftp ) {
$rules = '';
if ( $config->get_boolean( 'cdn.canonical_header' ) ) {
$rules .= $this->canonical( $cdnftp,
$config->get_boolean( 'cdn.cors_header') );
}
if ( $config->get_boolean( 'cdn.cors_header') ) {
$rules .= $this->allow_origin( $cdnftp );
}
if ( strlen( $rules ) > 0 ) {
$rules =
W3TC_MARKER_BEGIN_CDN . "\n" .
$rules .
W3TC_MARKER_END_CDN . "\n";
}
return $rules;
}
private function canonical( $cdnftp = false, $cors_header = true ) {
$rules = '';
$mime_types = include W3TC_INC_DIR . '/mime/other.php';
$extensions = array_keys( $mime_types );
$extensions_lowercase = array_map( 'strtolower', $extensions );
$extensions_uppercase = array_map( 'strtoupper', $extensions );
$rules .= "<FilesMatch \"\\.(" . implode( '|',
array_merge( $extensions_lowercase, $extensions_uppercase ) ) . ")$\">\n";
$host = ( $cdnftp ? Util_Environment::home_url_host() : '%{HTTP_HOST}' );
$rules .= " <IfModule mod_rewrite.c>\n";
$rules .= " RewriteEngine On\n";
$rules .= " RewriteCond %{HTTPS} !=on\n";
$rules .= " RewriteRule .* - [E=CANONICAL:http://$host%{REQUEST_URI},NE]\n";
$rules .= " RewriteCond %{HTTPS} =on\n";
$rules .= " RewriteRule .* - [E=CANONICAL:https://$host%{REQUEST_URI},NE]\n";
$rules .= " </IfModule>\n";
$rules .= " <IfModule mod_headers.c>\n";
$rules .= ' Header set Link "<%{CANONICAL}e>; rel=\"canonical\""' . "\n";
$rules .= " </IfModule>\n";
$rules .= "</FilesMatch>\n";
return $rules;
}
/**
* Returns allow-origin rules
*/
private function allow_origin( $cdnftp = false ) {
$r = "<IfModule mod_headers.c>\n";
$r .= " Header set Access-Control-Allow-Origin \"*\"\n";
$r .= "</IfModule>\n";
if ( !$cdnftp )
return $r;
else
return
"<FilesMatch \"\.(ttf|ttc|otf|eot|woff|woff2|font.css)$\">\n" .
$r .
"</FilesMatch>\n";
}
public function w3tc_browsercache_rules_section_extensions(
$extensions, $config, $section ) {
if ( Util_Environment::is_nginx() ) {
$o = new Cdn_Environment_Nginx( $config );
$extensions = $o->w3tc_browsercache_rules_section_extensions(
$extensions, $section );
} elseif ( Util_Environment::is_litespeed() ) {
$o = new Cdn_Environment_LiteSpeed( $config );
$extensions = $o->w3tc_browsercache_rules_section_extensions(
$extensions, $section );
}
return $extensions;
}
public function w3tc_browsercache_rules_section( $section_rules, $config, $section ) {
if ( Util_Environment::is_litespeed() ) {
$o = new Cdn_Environment_LiteSpeed( $config );
$section_rules = $o->w3tc_browsercache_rules_section(
$section_rules, $section );
}
return $section_rules;
}
}