Viewing file:  CdnAdminEnvironment.php (10.28 KB) -rw-rw-rw-
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<?php
if (!defined('W3TC')) {
die();
}
w3_require_once(W3TC_INC_DIR . '/functions/activation.php');
w3_require_once(W3TC_INC_DIR . '/functions/file.php');
w3_require_once(W3TC_INC_DIR . '/functions/rule.php');
/**
* Class W3_CdnAdminEnvironment
*/
class W3_CdnAdminEnvironment {
/**
* Fixes environment in each wp-admin request
*
* @param W3_Config $config
* @param bool $force_all_checks
* @throws SelfTestExceptions
*/
public function fix_on_wpadmin_request($config, $force_all_checks) {
$exs = new SelfTestExceptions();
if ($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 W3_Config $config
* @param string $event
* @param W3_Config|null $old_config
* @throws SelfTestExceptions
**/
public function fix_on_event($config, $event, $old_config = null) {
if ($config->get_boolean('cdn.enabled') &&
!w3_is_cdn_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') &&
$config->get_boolean('cdn.autoupload.enabled') &&
!w3_is_cdn_mirror($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();
}
$exs = new SelfTestExceptions();
if ($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 SelfTestExceptions();
$this->rules_remove($exs);
$this->table_delete();
if (count($exs->exceptions()) > 0)
throw $exs;
}
/**
* Returns required rules for module
* @param W3_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') {
/**
* @var W3_Plugin_CdnCommon $w3_plugin_cdncommon
*/
$w3_plugin_cdncommon = w3_instance('W3_Plugin_CdnCommon');
$domain = $w3_plugin_cdncommon->get_cdn()->get_domain();
$cdn_rules_path = sprintf('ftp://%s/%s', $domain,
w3_get_cdn_rules_path());
$rewrite_rules[] = array(
'filename' => $cdn_rules_path,
'content' => $rules
);
}
$path = w3_get_browsercache_rules_cache_path();
$rewrite_rules[] = array(
'filename' => $path,
'content' => $rules
);
}
return $rewrite_rules;
}
/**
* @param W3_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 $drop
* @throws SelfTestFailedException
*/
private function table_create($drop = false) {
global $wpdb;
if ($drop) {
$sql = sprintf('DROP TABLE IF EXISTS `%s%s`;', $wpdb->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->prefix, W3TC_CDN_TABLE_QUEUE);
$wpdb->query($sql);
if (!$wpdb->result)
throw new SelfTestFailedException('Can\'t create table ' .
$wpdb->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->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->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->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 W3_Config $config
* @param SelfTestExceptions $exs
* @throws FilesystemOperationException with S/FTP form if it can't get the required filesystem credentials
* @throws FileOperationException
*/
private function rules_add($config, $exs) {
w3_add_rules($exs, w3_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 SelfTestExceptions $exs
* @throws FilesystemOperationException with S/FTP form if it can't get the required filesystem credentials
* @throws FileOperationException
*/
private function rules_remove($exs) {
w3_remove_rules($exs,
w3_get_browsercache_rules_cache_path(),
W3TC_MARKER_BEGIN_CDN,
W3TC_MARKER_END_CDN);
}
/**
* Generates rules for WP dir
*
* @param W3_Config $config
* @param bool $cdnftp
* @return string
*/
private function rules_generate($config, $cdnftp = false) {
$w3_dispatcher = w3_instance('W3_Dispatcher');
$w3_sharedRules = w3_instance('W3_SharedRules');
$rules = '';
if ($w3_dispatcher->canonical_generated_by($config, $cdnftp) == 'cdn')
$rules .= $w3_sharedRules->canonical($config, $cdnftp);
if ($w3_dispatcher->allow_origin_generated_by($config) == 'cdn')
$rules .= $w3_sharedRules->allow_origin($config, $cdnftp);
if (strlen($rules) > 0)
$rules =
W3TC_MARKER_BEGIN_CDN . "\n" .
$rules .
W3TC_MARKER_END_CDN . "\n";
return $rules;
}
}
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