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<?php |
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/** |
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* Handles top-level record keeping functionality. |
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* |
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* @package WP_Stream |
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*/ |
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|
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namespace WP_Stream; |
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|
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/** |
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* Class - Log |
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*/ |
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class Log { |
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|
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/** |
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* Holds Instance of plugin object |
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* |
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* @var Plugin |
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*/ |
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public $plugin; |
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|
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/** |
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* Hold Current visitors IP Address. |
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* |
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* @var string |
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*/ |
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private $ip_address; |
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|
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|
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/** |
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* Previous Stream record ID, used for chaining same-session records |
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* |
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* @var int |
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*/ |
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private $prev_record; |
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|
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/** |
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* Class constructor. |
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* |
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* @param Plugin $plugin Instance of plugin object. |
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*/ |
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public function __construct( $plugin ) { |
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$this->plugin = $plugin; |
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|
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// Support proxy mode by checking the `X-Forwarded-For` header first. |
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$ip_address = wp_stream_filter_input( INPUT_SERVER, 'HTTP_X_FORWARDED_FOR', FILTER_VALIDATE_IP ); |
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$ip_address = $ip_address ? $ip_address : wp_stream_filter_input( INPUT_SERVER, 'REMOTE_ADDR', FILTER_VALIDATE_IP ); |
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|
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$this->ip_address = $ip_address; |
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|
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// Ensure function used in various methods is pre-loaded. |
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if ( ! function_exists( 'is_plugin_active_for_network' ) ) { |
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require_once ABSPATH . '/wp-admin/includes/plugin.php'; |
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} |
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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 $connector Connector responsible for logging the event. |
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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 mixed True if updated, otherwise false|WP_Error |
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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 $wp_roles; |
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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( $this->plugin->settings->options['advanced_wp_cron_tracking'] ) ? $this->plugin->settings->options['advanced_wp_cron_tracking'] : false; |
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$author = new Author( $user_id ); |
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$agent = $author->get_current_agent(); |
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|
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// WP Cron tracking requires opt-in and WP Cron to be enabled. |
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if ( ! $wp_cron_tracking && 'wp_cron' === $agent ) { |
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return false; |
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} |
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|
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$user = new \WP_User( $user_id ); |
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|
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if ( $this->is_record_excluded( $connector, $context, $action, $user ) ) { |
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return false; |
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} |
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|
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$user_meta = array( |
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'user_email' => (string) ! empty( $user->user_email ) ? $user->user_email : '', |
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'display_name' => (string) $author->get_display_name(), |
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'user_login' => (string) ! empty( $user->user_login ) ? $user->user_login : '', |
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'user_role_label' => (string) $author->get_role(), |
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'agent' => (string) $agent, |
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); |
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|
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if ( 'wp_cli' === $agent && function_exists( 'posix_getuid' ) ) { |
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$uid = posix_getuid(); |
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$user_info = posix_getpwuid( $uid ); |
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|
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$user_meta['system_user_id'] = (int) $uid; |
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$user_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( $var ); |
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} |
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); |
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|
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// Add user meta to Stream meta. |
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$stream_meta['user_meta'] = $user_meta; |
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|
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if ( ! empty( $user->roles ) ) { |
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$roles = array_values( $user->roles ); |
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$role = $roles[0]; |
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} elseif ( is_multisite() && is_super_admin() && $wp_roles->is_role( 'administrator' ) ) { |
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$role = 'administrator'; |
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} else { |
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$role = ''; |
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} |
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|
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$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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'user_id' => (int) $user_id, |
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'user_role' => (string) $role, |
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'created' => (string) current_time( 'mysql', true ), |
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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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'ip' => (string) $this->ip_address, |
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'meta' => (array) $stream_meta, |
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); |
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|
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if ( 0 === $recordarr['object_id'] ) { |
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unset( $recordarr['object_id'] ); |
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} |
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|
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$result = $this->plugin->db->insert( $recordarr ); |
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|
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// This is helpful in development environments: |
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// error_log( $this->debug_backtrace( $recordarr ) );. |
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|
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return $result; |
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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 string $connector Name of the connector being logged. |
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* @param string $context Name of the context being logged. |
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* @param string $action Name of the action being logged. |
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* @param \WP_User $user The user being logged. |
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* @param string $ip IP address being logged. |
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* |
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* @return bool |
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*/ |
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public function is_record_excluded( $connector, $context, $action, $user = null, $ip = null ) { |
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$exclude_record = false; |
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|
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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 = $this->ip_address; |
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} else { |
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$ip = wp_stream_filter_var( $ip, FILTER_VALIDATE_IP ); |
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} |
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|
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if ( ! empty( $user->roles ) ) { |
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$roles = array_values( $user->roles ); |
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$role = $roles[0]; |
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} else { |
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$role = ''; |
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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' => $role, |
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'ip_address' => $ip, |
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); |
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|
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$exclude_settings = isset( $this->plugin->settings->options['exclude_rules'] ) ? $this->plugin->settings->options['exclude_rules'] : array(); |
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|
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if ( is_multisite() && $this->plugin->is_network_activated() && ! is_network_admin() ) { |
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$multisite_options = (array) get_site_option( 'wp_stream_network', array() ); |
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$exclude_settings = isset( $multisite_options['exclude_rules'] ) ? $multisite_options['exclude_rules'] : array(); |
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} |
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|
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foreach ( $this->exclude_rules_by_rows( $exclude_settings ) as $exclude_rule ) { |
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$exclude = array( |
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'connector' => ! empty( $exclude_rule['connector'] ) ? $exclude_rule['connector'] : null, |
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'context' => ! empty( $exclude_rule['context'] ) ? $exclude_rule['context'] : null, |
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'action' => ! empty( $exclude_rule['action'] ) ? $exclude_rule['action'] : null, |
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'ip_address' => ! empty( $exclude_rule['ip_address'] ) ? $exclude_rule['ip_address'] : null, |
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'author' => is_numeric( $exclude_rule['author_or_role'] ) ? absint( $exclude_rule['author_or_role'] ) : null, |
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'role' => ( ! empty( $exclude_rule['author_or_role'] ) && ! is_numeric( $exclude_rule['author_or_role'] ) ) ? $exclude_rule['author_or_role'] : null, |
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); |
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|
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$exclude_rules = array_filter( $exclude, 'strlen' ); |
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|
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if ( $this->record_matches_rules( $record, $exclude_rules ) ) { |
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$exclude_record = true; |
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break; |
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} |
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} |
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|
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/** |
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* Filters whether or not a record should be excluded from the log. |
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* |
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* If true, the record is not logged. |
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* |
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* @param array $exclude_record Whether the record should excluded. |
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* @param array $recordarr The record to log. |
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* |
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* @return bool |
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*/ |
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return apply_filters( 'wp_stream_is_record_excluded', $exclude_record, $record ); |
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} |
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|
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/** |
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* Check if a record to stored matches certain rules. |
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* |
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* @param array $record List of record parameters. |
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* @param array $exclude_rules List of record exclude rules. |
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* |
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* @return boolean |
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*/ |
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public function record_matches_rules( $record, $exclude_rules ) { |
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$matches_needed = count( $exclude_rules ); |
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$matches_found = 0; |
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foreach ( $exclude_rules as $exclude_key => $exclude_value ) { |
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if ( ! isset( $record[ $exclude_key ] ) || is_null( $exclude_value ) ) { |
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continue; |
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} |
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|
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if ( 'ip_address' === $exclude_key ) { |
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$ip_addresses = explode( ',', $exclude_value ); |
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|
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if ( in_array( $record['ip_address'], $ip_addresses, true ) ) { |
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$matches_found++; |
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} |
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} elseif ( $record[ $exclude_key ] === $exclude_value ) { |
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$matches_found++; |
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} |
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} |
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|
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return $matches_found === $matches_needed; |
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} |
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|
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/** |
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* Get all exclude rules by row because we store them by rule instead. |
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* |
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* @param array $rules List of rules indexed by rule ID. |
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* |
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* @return array |
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*/ |
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public function exclude_rules_by_rows( $rules ) { |
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$excludes = array(); |
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|
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// TODO: Move these to where the settings are generated to ensure they're in sync. |
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$rule_keys = array( |
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'exclude_row', |
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'author_or_role', |
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'connector', |
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'context', |
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'action', |
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'ip_address', |
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); |
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|
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if ( empty( $rules['exclude_row'] ) ) { |
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return array(); |
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} |
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|
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foreach ( array_keys( $rules['exclude_row'] ) as $row_id ) { |
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$excludes[ $row_id ] = array(); |
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|
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foreach ( $rule_keys as $rule_key ) { |
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if ( isset( $rules[ $rule_key ][ $row_id ] ) ) { |
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$excludes[ $row_id ][ $rule_key ] = $rules[ $rule_key ][ $row_id ]; |
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} else { |
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$excludes[ $row_id ][ $rule_key ] = null; |
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} |
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} |
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} |
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|
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return $excludes; |
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} |
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|
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/** |
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* Helper function to send a full backtrace of calls to the PHP error log for debugging |
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* |
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* @param array $recordarr Record argument array. |
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* |
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* @return string |
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*/ |
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public function debug_backtrace( $recordarr ) { |
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if ( version_compare( PHP_VERSION, '5.3.6', '<' ) ) { |
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return __( 'Debug backtrace requires at least PHP 5.3.6', 'wp_stream' ); |
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} |
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|
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// Record details. |
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$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['meta'] ) ? $recordarr['meta'] : null; |
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|
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unset( $stream_meta['user_meta'] ); |
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|
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if ( $stream_meta ) { |
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array_walk( |
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$stream_meta, |
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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( ', ', $stream_meta ); |
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} |
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|
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// User meta. |
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$user_meta = isset( $recordarr['meta']['user_meta'] ) ? $recordarr['meta']['user_meta'] : null; |
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|
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if ( $user_meta ) { |
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array_walk( |
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$user_meta, |
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function ( &$value, $key ) { |
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$value = sprintf( '%s: %s', $key, ( '' === $value ) ? 'null' : $value ); |
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} |
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); |
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|
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$user_meta = implode( ', ', $user_meta ); |
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} |
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|
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// Debug backtrace. |
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ob_start(); |
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|
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// @codingStandardsIgnoreStart |
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debug_print_backtrace( DEBUG_BACKTRACE_IGNORE_ARGS ); // Option to ignore args requires PHP 5.3.6 |
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// @codingStandardsIgnoreEnd |
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|
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$backtrace = ob_get_clean(); |
| 361 |
$backtrace = array_values( array_filter( explode( "\n", $backtrace ) ) ); |
| 362 |
|
| 363 |
$output = sprintf( |
| 364 |
"WP Stream Debug Backtrace\n\n Summary | %s\n Author | %s\n Connector | %s\n Context | %s\n Action | %s\nStream Meta | %s\nAuthor Meta | %s\n\n%s\n", |
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$summary, |
| 366 |
$author, |
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$connector, |
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$context, |
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$action, |
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$stream_meta, |
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$user_meta, |
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implode( "\n", $backtrace ) |
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); |
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|
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return $output; |
| 376 |
} |
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} |
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|
