File: /home/clinicamaciel/www/index/wp-content/plugins/w3-total-cache/Cdn_Environment.php
<?php
namespace W3TC;
/**
* class Cdn_Environment
*/
class Cdn_Environment {
/**
* 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->table_create( $event == 'activate' );
} 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->table_delete();
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 );
}
/*
* table operations
*/
/**
* Create queue table
*
* @param bool $drop
* @throws Util_Environment_Exception
*/
private function table_create( $drop = false ) {
global $wpdb;
if ( $drop ) {
$sql = sprintf( 'DROP TABLE IF EXISTS `%s%s`;', $wpdb->base_prefix, W3TC_CDN_TABLE_QUEUE );
$wpdb->query( $sql );
}
$charset_collate = '';
if ( ! empty( $wpdb->charset ) )
$charset_collate = "DEFAULT CHARACTER SET $wpdb->charset";
if ( ! empty( $wpdb->collate ) )
$charset_collate .= " COLLATE $wpdb->collate";
$sql = 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 );
$wpdb->query( $sql );
if ( !$wpdb->result )
throw new Util_Environment_Exception( 'Can\'t create table ' .
$wpdb->base_prefix . W3TC_CDN_TABLE_QUEUE );
}
/**
* Delete queue table
*
* @return void
*/
private function table_delete() {
global $wpdb;
$sql = sprintf( 'DROP TABLE IF EXISTS `%s%s`', $wpdb->base_prefix, W3TC_CDN_TABLE_QUEUE );
$wpdb->query( $sql );
}
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_NO404WP => 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 ) {
$rules = '';
if ( Dispatcher::canonical_generated_by( $config, $cdnftp ) == 'cdn' )
$rules .= Util_RuleSnippet::canonical( $config, $cdnftp );
if ( Dispatcher::allow_origin_generated_by( $config ) == 'cdn' )
$rules .= Util_RuleSnippet::allow_origin( $config, $cdnftp );
if ( strlen( $rules ) > 0 )
$rules =
W3TC_MARKER_BEGIN_CDN . "\n" .
$rules .
W3TC_MARKER_END_CDN . "\n";
return $rules;
}
}