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<?php |
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|
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class WP_Stream_Log { |
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|
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/** |
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* Log handler |
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* |
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* @var \WP_Stream_Log |
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*/ |
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public static $instance = null; |
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|
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/** |
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* Load log handler class, filterable by extensions |
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* |
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* @return void |
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*/ |
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public static function load() { |
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/** |
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* Filter allows developers to change log handler class |
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* |
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* @param array Current Class |
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* @return string New Class for log handling |
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*/ |
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$log_handler = apply_filters( 'wp_stream_log_handler', __CLASS__ ); |
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|
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self::$instance = new $log_handler; |
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} |
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|
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/** |
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* Return active instance of this class |
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* |
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* @return WP_Stream_Log |
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*/ |
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public static function get_instance() { |
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if ( ! self::$instance ) { |
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$class = __CLASS__; |
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self::$instance = new $class; |
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} |
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|
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return self::$instance; |
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} |
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|
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/** |
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* Log handler |
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* |
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* @param $connector |
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* @param string $message sprintf-ready error message string |
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* @param array $args sprintf (and extra) arguments to use |
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* @param int $object_id Target object id |
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* @param string $context Context of the event |
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* @param string $action Action of the event |
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* @param int $user_id User responsible for the event |
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* |
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* @return void |
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*/ |
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public function log( $connector, $message, $args, $object_id, $context, $action, $user_id = null ) { |
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global $wpdb; |
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|
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if ( is_null( $user_id ) ) { |
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$user_id = get_current_user_id(); |
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} |
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|
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if ( is_null( $object_id ) ) { |
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$object_id = 0; |
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} |
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|
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$wp_cron_tracking = isset( WP_Stream_Settings::$options['advanced_wp_cron_tracking'] ) ? WP_Stream_Settings::$options['advanced_wp_cron_tracking'] : false; |
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$agent = WP_Stream_Author::get_current_agent(); |
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|
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// WP cron tracking requires opt-in |
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if ( ! $wp_cron_tracking && 'wp_cron' === $agent ) { |
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return; |
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} |
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|
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$user = new WP_User( $user_id ); |
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$roles = get_option( $wpdb->get_blog_prefix() . 'user_roles' ); |
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$visibility = 'publish'; |
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|
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if ( self::is_record_excluded( $connector, $context, $action, $user ) ) { |
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$visibility = 'private'; |
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} |
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|
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if ( defined( 'WP_CLI' ) && empty( $user->display_name ) ) { |
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$display_name = 'WP-CLI'; |
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} elseif ( ! empty( $user->display_name ) ) { |
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$display_name = $user->display_name; |
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} else { |
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$display_name = ''; |
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} |
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|
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$author_meta = array( |
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'user_email' => (string) ! empty( $user->user_email ) ? $user->user_email : '', |
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'display_name' => (string) $display_name, |
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'user_login' => (string) ! empty( $user->user_login ) ? $user->user_login : '', |
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'user_role_label' => (string) ! empty( $user->roles ) ? $roles[ $user->roles[0] ]['name'] : '', |
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'agent' => (string) $agent, |
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); |
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|
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if ( ( defined( 'WP_CLI' ) ) && function_exists( 'posix_getuid' ) ) { |
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$uid = posix_getuid(); |
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$user_info = posix_getpwuid( $uid ); |
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|
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$author_meta['system_user_id'] = (int) $uid; |
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$author_meta['system_user_name'] = (string) $user_info['name']; |
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} |
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|
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// Prevent any meta with null values from being logged |
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$stream_meta = array_filter( |
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$args, |
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function ( $var ) { |
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return ! is_null( $var ); |
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} |
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); |
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|
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// All meta must be strings, so we will serialize any array meta values |
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array_walk( |
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$stream_meta, |
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function( &$v ) { |
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$v = (string) maybe_serialize( $v ); |
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} |
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); |
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|
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// Get the current time in milliseconds |
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$iso_8601_extended_date = wp_stream_get_iso_8601_extended_date(); |
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|
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$recordarr = array( |
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'object_id' => (int) $object_id, |
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'site_id' => (int) is_multisite() ? get_current_site()->id : 1, |
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'blog_id' => (int) apply_filters( 'wp_stream_blog_id_logged', get_current_blog_id() ), |
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'author' => (int) $user_id, |
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'author_role' => (string) ! empty( $user->roles ) ? $user->roles[0] : '', |
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'author_meta' => (array) $author_meta, |
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'created' => (string) $iso_8601_extended_date, |
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'visibility' => (string) $visibility, |
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'type' => 'stream', |
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'summary' => (string) vsprintf( $message, $args ), |
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'connector' => (string) $connector, |
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'context' => (string) $context, |
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'action' => (string) $action, |
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'stream_meta' => (array) $stream_meta, |
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'ip' => (string) wp_stream_filter_input( INPUT_SERVER, 'REMOTE_ADDR', FILTER_VALIDATE_IP ), |
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); |
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|
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WP_Stream::$db->store( array( $recordarr ) ); |
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|
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self::debug_backtrace( $recordarr ); |
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} |
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|
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/** |
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* This function is use to check whether or not a record should be excluded from the log |
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* |
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* @param $connector string name of the connector being logged |
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* @param $context string name of the context being logged |
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* @param $action string name of the action being logged |
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* @param $user_id int id of the user being logged |
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* @param $ip string ip address being logged |
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* @return bool |
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*/ |
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public function is_record_excluded( $connector, $context, $action, $user = null, $ip = null ) { |
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if ( is_null( $user ) ) { |
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$user = wp_get_current_user(); |
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} |
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|
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if ( is_null( $ip ) ) { |
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$ip = wp_stream_filter_input( INPUT_SERVER, 'REMOTE_ADDR', FILTER_VALIDATE_IP ); |
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} else { |
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$ip = wp_stream_filter_var( $ip, FILTER_VALIDATE_IP ); |
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} |
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|
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$user_role = isset( $user->roles[0] ) ? $user->roles[0] : null; |
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|
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$record = array( |
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'connector' => $connector, |
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'context' => $context, |
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'action' => $action, |
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'author' => $user->ID, |
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'role' => $user_role, |
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'ip_address' => $ip, |
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); |
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|
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$exclude_settings = isset( WP_Stream_Settings::$options['exclude_rules'] ) ? WP_Stream_Settings::$options['exclude_rules'] : array(); |
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|
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if ( isset( $exclude_settings['exclude_row'] ) && ! empty( $exclude_settings['exclude_row'] ) ) { |
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foreach ( $exclude_settings['exclude_row'] as $key => $value ) { |
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// Prepare values |
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$author_or_role = isset( $exclude_settings['author_or_role'][ $key ] ) ? $exclude_settings['author_or_role'][ $key ] : ''; |
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$connector = isset( $exclude_settings['connector'][ $key ] ) ? $exclude_settings['connector'][ $key ] : ''; |
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$context = isset( $exclude_settings['context'][ $key ] ) ? $exclude_settings['context'][ $key ] : ''; |
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$action = isset( $exclude_settings['action'][ $key ] ) ? $exclude_settings['action'][ $key ] : ''; |
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$ip_address = isset( $exclude_settings['ip_address'][ $key ] ) ? $exclude_settings['ip_address'][ $key ] : ''; |
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|
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$exclude = array( |
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'connector' => ! empty( $connector ) ? $connector : null, |
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'context' => ! empty( $context ) ? $context : null, |
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'action' => ! empty( $action ) ? $action : null, |
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'ip_address' => ! empty( $ip_address ) ? $ip_address : null, |
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'author' => is_numeric( $author_or_role ) ? $author_or_role : null, |
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'role' => ( ! empty( $author_or_role ) && ! is_numeric( $author_or_role ) ) ? $author_or_role : null, |
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); |
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|
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$exclude_rules = array_filter( $exclude, 'strlen' ); |
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|
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if ( ! empty( $exclude_rules ) ) { |
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$excluded = true; |
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|
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foreach ( $exclude_rules as $exclude_key => $exclude_value ) { |
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if ( $record[ $exclude_key ] !== $exclude_value ) { |
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$excluded = false; |
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break; |
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} |
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} |
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|
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if ( $excluded ) { |
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return true; |
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} |
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} |
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} |
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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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* Send a full backtrace of calls to the PHP error log for debugging |
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* |
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* @param array $recordarr |
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* |
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* @return void |
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*/ |
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public static function debug_backtrace( $recordarr ) { |
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/** |
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* Enable debug backtrace on records. |
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* |
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* This filter is for developer use only. When enabled, Stream will send |
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* a full debug backtrace of PHP calls for each record. Optionally, you may |
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* use the available $recordarr parameter to specify what types of records to |
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* create backtrace logs for. |
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* |
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* @param array $recordarr |
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* |
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* @return bool Set to FALSE by default (backtrace disabled) |
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*/ |
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$enabled = apply_filters( 'wp_stream_debug_backtrace', false, $recordarr ); |
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|
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if ( ! $enabled ) { |
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return; |
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} |
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|
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if ( version_compare( PHP_VERSION, '5.3.6', '<' ) ) { |
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error_log( 'WP Stream debug backtrace requires at least PHP 5.3.6' ); |
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return; |
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} |
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|
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// Record details |
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$summary = isset( $recordarr['summary'] ) ? $recordarr['summary'] : null; |
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$author = isset( $recordarr['author'] ) ? $recordarr['author'] : null; |
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$connector = isset( $recordarr['connector'] ) ? $recordarr['connector'] : null; |
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$context = isset( $recordarr['context'] ) ? $recordarr['context'] : null; |
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$action = isset( $recordarr['action'] ) ? $recordarr['action'] : null; |
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|
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// Stream meta |
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$stream_meta = isset( $recordarr['stream_meta'] ) ? $recordarr['stream_meta'] : null; |
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|
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if ( $stream_meta ) { |
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array_walk( $stream_meta, function( &$value, $key ) { |
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$value = sprintf( '%s: %s', $key, ( '' === $value ) ? 'null' : $value ); |
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}); |
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|
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$stream_meta = implode( ', ', $stream_meta ); |
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} |
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|
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// Author meta |
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$author_meta = isset( $recordarr['author_meta'] ) ? $recordarr['author_meta'] : null; |
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|
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if ( $author_meta ) { |
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array_walk( $author_meta, function( &$value, $key ) { |
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$value = sprintf( '%s: %s', $key, ( '' === $value ) ? 'null' : $value ); |
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}); |
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|
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$author_meta = implode( ', ', $author_meta ); |
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} |
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|
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// Debug backtrace |
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ob_start(); |
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|
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debug_print_backtrace( DEBUG_BACKTRACE_IGNORE_ARGS ); // Option to ignore args requires PHP 5.3.6 |
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|
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$backtrace = ob_get_clean(); |
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$backtrace = array_values( array_filter( explode( "\n", $backtrace ) ) ); |
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|
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$output = sprintf( |
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"WP Stream Debug Backtrace\n\n Summary | %s\n Author | %s\n Connector | %s\n Context | %s\n Action | %s\nStream Meta | %s\nAuthor Meta | %s\n\n%s\n", |
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$summary, |
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$author, |
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$connector, |
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$context, |
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$action, |
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$stream_meta, |
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$author_meta, |
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implode( "\n", $backtrace ) |
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); |
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|
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error_log( $output ); |
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} |
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|
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} |
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|
