Viewing file:  EdgeModeActionsAdmin.php (3.59 KB) -rw-rw-rw-
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<?php
if (!defined('W3TC')) {
die();
}
w3_require_once(W3TC_INC_FUNCTIONS_DIR . '/admin.php');
class W3_AdminActions_EdgeModeActionsAdmin {
/**
* @var W3_Config $_config
*/
private $_config = null;
/**
* @var W3_ConfigAdmin
*/
private $_config_admin = null;
function __construct() {
$this->_config = w3_instance('W3_Config');
$this->_config_admin = w3_instance('W3_ConfigAdmin');
}
/**
*
*/
public function action_edge_mode_enable() {
w3_require_once(W3TC_INC_FUNCTIONS_DIR . '/activation.php');
$config_path = w3_get_wp_config_path();
$config_data = @file_get_contents($config_path);
if ($config_data === false)
return;
$new_config_data = $this->wp_config_evaluation_mode_remove_from_content($config_data);
$new_config_data = preg_replace(
'~<\?(php)?~',
"\\0\r\n" . $this->wp_config_evaluation_mode(),
$new_config_data,
1);
if ($new_config_data != $config_data) {
try {
w3_wp_write_to_file($config_path, $new_config_data);
} catch (FilesystemOperationException $ex) {
throw new Exception('Configuration file not writable. Please edit file <strong>' . $config_path .
'</strong> and add the next lines: '. $this->wp_config_evaluation_mode());
}
try {
$this->_config_admin->set('notes.edge_mode', false);
$this->_config_admin->save();
} catch (Exception $ex) {}
}
w3_admin_redirect(array('w3tc_note' => 'enabled_edge'));
}
/**
* @return string Addon required for plugin in wp-config
**/
private function wp_config_evaluation_mode() {
return "/** Enable W3 Total Cache Edge Mode */\r\n" .
"define('W3TC_EDGE_MODE', true); // Added by W3 Total Cache\r\n";
}
/**
* Disables WP_CACHE
*
* @param string $config_data wp-config.php content
* @return string
* @throws FilesystemOperationException with S/FTP form if it can't get the required filesystem credentials
* @throws FileOperationException
*/
private function wp_config_evaluation_mode_remove_from_content($config_data) {
$config_data = preg_replace(
"~\\/\\*\\* Enable W3 Total Cache Edge Mode \\*\\*?\\/.*?\\/\\/ Added by W3 Total Cache(\r\n)*~s",
'', $config_data);
$config_data = preg_replace(
"~(\\/\\/\\s*)?define\\s*\\(\\s*['\"]?W3TC_EDGE_MODE['\"]?\\s*,.*?\\)\\s*;+\\r?\\n?~is",
'', $config_data);
return $config_data;
}
public function action_edge_mode_disable() {
w3_require_once(W3TC_INC_FUNCTIONS_DIR . '/activation.php');
$config_path = w3_get_wp_config_path();
$config_data = @file_get_contents($config_path);
if ($config_data === false)
return;
$new_config_data = $this->wp_config_evaluation_mode_remove_from_content($config_data);
if ($new_config_data != $config_data) {
try {
w3_wp_write_to_file($config_path, $new_config_data);
} catch (FilesystemOperationException $ex) {
throw new FilesystemModifyException(
$ex->getMessage(), $ex->credentials_form(),
'Edit file <strong>' . $config_path .
'</strong> and remove next lines:',
$config_path, $this->wp_config_evaluation_mode());
}
}
w3_admin_redirect(array('w3tc_note' => 'disabled_edge'));
}
}
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