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<?php |
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|
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if (!defined('WEBTOTEM_INIT') || WEBTOTEM_INIT !== true) { |
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if (!headers_sent()) { |
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header('HTTP/1.1 403 Forbidden'); |
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} |
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die("Protected By WebTotem!"); |
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} |
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|
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/** |
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* Agent Manager library. |
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* |
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* Agent Manager is needed to create AM file, |
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* and to check whether am and other agents are installed. |
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* The AM file creates WAV and AV files, |
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* and transmits information to the Web Totem platform and back. |
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*/ |
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class WebTotemAgentManager extends WebTotem { |
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|
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/** |
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* AM file install. |
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* |
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* Create AM file in the root of the site |
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* and save the data about it in the DB. |
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* |
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* @return bool |
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* TRUE if the AM file is successfully added. |
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*/ |
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public static function amInstall() { |
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try { |
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self::removeAgents(); |
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|
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$host = WebTotemAPI::siteInfo(); |
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|
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$files = self::getAgentsFiles( $host['id'] ); |
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|
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if ( $files['amFilename'] ) { |
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|
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if (!is_writable(ABSPATH)) { |
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WebTotemOption::setNotification('error', __('There are no permissions to write to the root directory', 'wtotem')); |
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return FALSE; |
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} |
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|
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// Download file. |
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$result = self::downloadFile( |
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$files['downloadLink'], |
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ABSPATH . $files['amFilename'] |
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); |
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|
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// If the file is downloaded, then we write the data to the DB. |
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if ( $result ) { |
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WebTotemOption::setOptions( [ |
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'am_installed' => true, |
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'am_file' => $files['amFilename'], |
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'waf_file' => $files['wafFilename'], |
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'av_file' => $files['avFilename'], |
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] ); |
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|
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self::generateMarkerFile(); |
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|
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$message = __( 'Agent manager have been successfully installed', 'wtotem'); |
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WebTotemOption::setNotification( 'success', $message ); |
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} |
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else { |
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$message = sprintf(__( 'Check %s folder\'s write permission.', 'wtotem' ), ABSPATH) . sprintf(__(' Read more <a href="%s" target="_blank">here</a>.', 'wtotem' ), 'https://docs.wtotem.com/agent-setup#it-additional-recommendations'); |
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WebTotemOption::setNotification( 'error', $message ); |
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|
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return FALSE; |
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} |
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} |
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|
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} catch ( \Exception $e ) { |
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WebTotemOption::setNotification( 'error', $e->getMessage() ); |
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|
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return FALSE; |
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} |
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|
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return TRUE; |
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} |
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|
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/** |
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* Get the AM file download link and agents (AV, WAF) files name. |
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* |
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* @param string $host_id |
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* Host id on WebTotem. |
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* |
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* @return array |
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* Agent Manager download link, names of agents |
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*/ |
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public static function getAgentsFiles( $host_id ) { |
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$result = WebTotemAPI::getAgentsFiles( $host_id ); |
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if ( ! $result ) { |
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$file = [ 'amFilename' => NULL, 'downloadLink' => NULL ]; |
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|
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$message = __( 'Error generating the agent manager file.', 'wtotem' ); |
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WebTotemOption::setNotification( 'error', $message ); |
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} else { |
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$file = $result; |
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} |
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|
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return $file; |
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} |
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|
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/** |
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* Check the existence of the service file and the record in the DB. |
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* |
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* @param string $service |
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* Service short name (am, av, waf). |
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* |
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* @return array |
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* Service file data (installed status, file exist status, file name). |
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*/ |
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public static function checkInstalledService( $service ) { |
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$file = WebTotemOption::getOption( $service . "_file" ); |
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|
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return [ |
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'option_status' => WebTotemOption::getOption( $service . "_installed" ), |
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'file_status' => ( (bool) $file ) && is_file( ABSPATH . $file ), |
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'file_name' => $file, |
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]; |
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} |
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|
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/** |
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* Remove all agents files and folders. Clear agents options. |
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* |
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* @return bool |
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* Returns TRUE if agent files |
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* and folders have been successfully deleted. |
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*/ |
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public static function removeAgents() { |
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// Deleting all agent records from the database. |
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WebTotemOption::clearOptions( [ |
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'am_installed', |
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'waf_installed', |
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'av_installed', |
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'am_file', |
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'waf_file', |
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'av_file', |
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] ); |
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|
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self::postdelete(); |
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|
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if($wp_filesystem = self::wpFileSystem()){ |
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$list = $wp_filesystem->dirlist( ABSPATH ); |
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|
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$uploads_list = $wp_filesystem->dirlist( ABSPATH .'wp-content/uploads' ) ?: []; |
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foreach ($uploads_list as $key => $item){ |
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$uploads_list[$key]['name'] = 'wp-content/uploads/' . $item['name']; |
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} |
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|
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$list = array_merge($list, $uploads_list); |
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|
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foreach ( $list as $item ) { |
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|
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$target_item = ABSPATH . $item['name']; |
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|
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// Check whether the item is a directory. |
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$recursive = ( $item['type'] == 'd' ) ? true : false; |
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|
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$pattern = '/([a-zA-Z0-9_]{64}.av.php)|([a-zA-Z0-9_]{64}.am.php)|([a-zA-Z0-9_]{64}.waf.php)|(\.wtotem_[a-zA-Z0-9_]{12,16})/'; |
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|
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if ( preg_match( $pattern, $target_item ) ) { |
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$wp_filesystem->delete( $target_item, $recursive, $item['type'] ); |
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} |
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} |
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} |
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|
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return TRUE; |
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} |
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|
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/** |
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* This method clears the system file from the WAF connection strings. |
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* |
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* @return bool |
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*/ |
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public static function postdelete(): bool |
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{ |
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$base_path = ABSPATH; |
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$targets = [ |
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'default' => $base_path . 'index.php', |
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'wp' => $base_path . 'wp-load.php', |
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]; |
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|
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foreach ($targets as $target_path) { |
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self::cut_inc($target_path); |
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} |
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|
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return true; |
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} |
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|
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/** |
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* This method clears the system file from the WAF connection strings. |
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* |
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* @return string |
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*/ |
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private static function cut_inc(string $target_path) |
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{ |
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if (file_exists($target_path)) { |
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$reg = '/^([\r\n\t])*((<\?php\s)?if\s?\(function_exists\(\'current_user_can\'\)\)\s?{\s?if\s?\(\s?!current_user_can\(\'publish_posts\'\)\s?\)\s?{\s)?(<\?php\s?)?\$wtwaf\s?=\s?dirname\(__FILE__\).{76,77}\.waf\.php(\'|\")?;\s?if\s?\(file_exists\(\$wtwaf\)(\s&&\sis_readable\(\$wtwaf\))?\)\s?{(\s?if\s?\(function_exists\("is_admin"\)\)\s?{\s?if\s?\(!is_admin\(\)\)\s?{)?\s?@include_once\(\$wtwaf\);\s?}(\s?}\s?else\s?{\s?@include_once\(\$wtwaf\);\s?}\s?})?\s?unset\(\$wtwaf\);\s?(\?>|}\s})?([\r\n\t])*/im'; |
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$reg2 = '/(\?>)?(\s*(<\?php)?\s+if\s?\(\s*PHP_VERSION_ID\s*>\s*70000\s*\)\s*{\s*\$wtwaf\s*=\s*__DIR__\s*\.\s*\'(\/\.\.\/\.\.)?\/_include_\w{64}\.waf\.php\'\s*;\s*if\s*\(\s*file_exists\s*\(\s*\$wtwaf\s*\)\s*\)\s*{\s*@\s*include_once\s*\(\s*\$wtwaf\s*\)\s*;\s*}\s*unset\s*\(\s*\$wtwaf\s*\)\s*;\s*}\s*(\?>)?\s*)(<\?php)?/im'; |
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$target_content = file_get_contents($target_path); |
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$pos_inc = stripos($target_content, '@include_once($wtwaf);'); |
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if ($pos_inc !== false) { |
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$cutted = preg_replace($reg, '', $target_content); |
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if (is_string($cutted) && $cutted !== '') { |
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if (preg_match($reg2, $cutted, $reg2_matches)) { |
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if (!empty($reg2_matches[1]) && !empty($reg2_matches[5])) { |
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$cutted = str_replace($reg2_matches[0], '', $cutted); |
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} else { |
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$cutted = str_replace($reg2_matches[2], '', $cutted); |
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} |
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} |
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|
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if (is_string($cutted) && $cutted !== '') { |
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$wp_filesystem = self::wpFileSystem(); |
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$res = $wp_filesystem->put_contents($target_path, $cutted, FS_CHMOD_FILE); |
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} else { |
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$res = 'preg_replace error 2'; |
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} |
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} else { |
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$res = 'preg_replace error 1'; |
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} |
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} else { |
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$res = 'inc not found'; |
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} |
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} else { |
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$res = 'not found'; |
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} |
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return $res; |
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} |
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|
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/** |
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* Base WordPress Filesystem class which Filesystem implementations extend. |
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* |
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* @return object|bool |
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* Instance of Filesystem class. |
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*/ |
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private static function wpFileSystem() { |
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global $wp_filesystem; |
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|
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if ( empty( $wp_filesystem ) ) { |
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require_once( ABSPATH . 'wp-admin/includes/file.php' ); |
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WP_Filesystem(); |
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} |
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|
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if (empty($wp_filesystem)) { |
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WebTotemOption::setNotification('error', _('WP FileSystem path error')); |
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return FALSE; |
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} |
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|
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return $wp_filesystem; |
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} |
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|
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/** |
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* @param $url |
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* Link from where to download the file. |
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* @param $path |
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* Path where to save the file. |
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* |
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* @return bool |
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* If the file is saved successfully, it returns true. |
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*/ |
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private static function downloadFile($download_url, $path) { |
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|
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$args = [ |
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'timeout' => '30', |
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'sslverify' => FALSE, |
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]; |
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|
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$response = wp_remote_get($download_url, $args); |
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$http_code = wp_remote_retrieve_response_code($response); |
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|
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if ($http_code < 200) { |
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WebTotemOption::setNotification('error', __( 'Could not download file.', 'wtotem' )); |
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return FALSE; |
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} |
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|
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$response_body = wp_remote_retrieve_body($response); |
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|
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if($wp_filesystem = self::wpFileSystem()){ |
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if(!empty($response_body)){ |
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return $wp_filesystem->put_contents($path, $response_body, FS_CHMOD_FILE); |
| 283 |
} else { |
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$message = __( 'API: Response body is empty.', 'wtotem' ); |
| 285 |
WebTotemOption::setNotification( 'error', $message ); |
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} |
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} |
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return FALSE; |
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|
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} |
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|
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/** |
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* Generate the file that indicates that a WAF connection is being used through the plugin. |
| 294 |
*/ |
| 295 |
public static function generateMarkerFile() { |
| 296 |
if($am_filename = WebTotemOption::getOption('am_file')) { |
| 297 |
if ( $wp_filesystem = self::wpFileSystem() ) { |
| 298 |
$content = '<?php exit(); ?>' . $am_filename; |
| 299 |
$file_path = WEBTOTEM_PLUGIN_PATH . '/generate.php'; |
| 300 |
if ( ! file_exists($file_path) or $wp_filesystem->get_contents($file_path) != $content) { |
| 301 |
|
| 302 |
if ( ! $wp_filesystem->put_contents( $file_path, $content, FS_CHMOD_FILE ) ) { |
| 303 |
$message = sprintf( __( 'Check %s folder\'s write permission.', 'wtotem' ), WEBTOTEM_PLUGIN_PATH ) . sprintf( __( ' Read more <a href="%s" target="_blank">here</a>.', 'wtotem' ), 'https://docs.wtotem.com/agent-setup#it-additional-recommendations' ); |
| 304 |
WebTotemOption::setNotification( 'error', $message ); |
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} |
| 306 |
|
| 307 |
} |
| 308 |
} |
| 309 |
} |
| 310 |
} |
| 311 |
|
| 312 |
/** |
| 313 |
* Check if the plugin version has changed. |
| 314 |
*/ |
| 315 |
public static function checkVersion(){ |
| 316 |
if(WebTotemOption::isActivated()){ |
| 317 |
// Get version of the plugin that was previously installed. |
| 318 |
$version = WebTotemOption::getOption('plugin_version'); |
| 319 |
|
| 320 |
if ($version == WEBTOTEM_VERSION) { |
| 321 |
return; |
| 322 |
} |
| 323 |
|
| 324 |
WebTotemOption::setOptions(['plugin_version' => WEBTOTEM_VERSION]); |
| 325 |
|
| 326 |
// Generate the file that indicates that a WAF connection is being used through the plugin. |
| 327 |
self::generateMarkerFile(); |
| 328 |
} |
| 329 |
|
| 330 |
} |
| 331 |
|
| 332 |
} |
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|
