' . esc_html__( 'Akismet Setup' , 'akismet') . '
' . - '' . esc_html__( 'Akismet filters out spam, so you can focus on more important things.' , 'akismet') . '
' . - '' . esc_html__( 'On this page, you are able to set up the Akismet plugin.' , 'akismet') . '
', - ) - ); - - $current_screen->add_help_tab( - array( - 'id' => 'setup-signup', - 'title' => __( 'New to Akismet' , 'akismet'), - 'content' => - '' . esc_html__( 'Akismet Setup' , 'akismet') . '
' . - '' . esc_html__( 'You need to enter an API key to activate the Akismet service on your site.' , 'akismet') . '
' . - '' . sprintf( __( 'Sign up for an account on %s to get an API Key.' , 'akismet'), 'Akismet.com' ) . '
', - ) - ); - - $current_screen->add_help_tab( - array( - 'id' => 'setup-manual', - 'title' => __( 'Enter an API Key' , 'akismet'), - 'content' => - '' . esc_html__( 'Akismet Setup' , 'akismet') . '
' . - '' . esc_html__( 'If you already have an API key' , 'akismet') . '
' . - '' . esc_html__( 'Akismet Stats' , 'akismet') . '
' . - '' . esc_html__( 'Akismet filters out spam, so you can focus on more important things.' , 'akismet') . '
' . - '' . esc_html__( 'On this page, you are able to view stats on spam filtered on your site.' , 'akismet') . '
', - ) - ); - } - else { - //configuration page - $current_screen->add_help_tab( - array( - 'id' => 'overview', - 'title' => __( 'Overview' , 'akismet'), - 'content' => - '' . esc_html__( 'Akismet Configuration' , 'akismet') . '
' . - '' . esc_html__( 'Akismet filters out spam, so you can focus on more important things.' , 'akismet') . '
' . - '' . esc_html__( 'On this page, you are able to update your Akismet settings and view spam stats.' , 'akismet') . '
', - ) - ); - - $current_screen->add_help_tab( - array( - 'id' => 'settings', - 'title' => __( 'Settings' , 'akismet'), - 'content' => - '' . esc_html__( 'Akismet Configuration' , 'akismet') . '
' . - ( Akismet::predefined_api_key() ? '' : '' . esc_html__( 'API Key' , 'akismet') . ' - ' . esc_html__( 'Enter/remove an API key.' , 'akismet') . '
' ) . - '' . esc_html__( 'Comments' , 'akismet') . ' - ' . esc_html__( 'Show the number of approved comments beside each comment author in the comments list page.' , 'akismet') . '
' . - '' . esc_html__( 'Strictness' , 'akismet') . ' - ' . esc_html__( 'Choose to either discard the worst spam automatically or to always put all spam in spam folder.' , 'akismet') . '
', - ) - ); - - if ( ! Akismet::predefined_api_key() ) { - $current_screen->add_help_tab( - array( - 'id' => 'account', - 'title' => __( 'Account' , 'akismet'), - 'content' => - '' . esc_html__( 'Akismet Configuration' , 'akismet') . '
' . - '' . esc_html__( 'Subscription Type' , 'akismet') . ' - ' . esc_html__( 'The Akismet subscription plan' , 'akismet') . '
' . - '' . esc_html__( 'Status' , 'akismet') . ' - ' . esc_html__( 'The subscription status - active, cancelled or suspended' , 'akismet') . '
', - ) - ); - } - } - } - - // Help Sidebar - $current_screen->set_help_sidebar( - '' . esc_html__( 'For more information:' , 'akismet') . '
' . - '' . esc_html__( 'Akismet FAQ' , 'akismet') . '
' . - '' . esc_html__( 'Akismet Support' , 'akismet') . '
' - ); - } - - public static function enter_api_key() { - if ( ! current_user_can( 'manage_options' ) ) { - die( __( 'Cheatin’ uh?', 'akismet' ) ); - } - - if ( !wp_verify_nonce( $_POST['_wpnonce'], self::NONCE ) ) - return false; - - foreach( array( 'akismet_strictness', 'akismet_show_user_comments_approved' ) as $option ) { - update_option( $option, isset( $_POST[$option] ) && (int) $_POST[$option] == 1 ? '1' : '0' ); - } - - if ( ! empty( $_POST['akismet_comment_form_privacy_notice'] ) ) { - self::set_form_privacy_notice_option( $_POST['akismet_comment_form_privacy_notice'] ); - } else { - self::set_form_privacy_notice_option( 'hide' ); - } - - if ( Akismet::predefined_api_key() ) { - return false; //shouldn't have option to save key if already defined - } - - $new_key = preg_replace( '/[^a-f0-9]/i', '', $_POST['key'] ); - $old_key = Akismet::get_api_key(); - - if ( empty( $new_key ) ) { - if ( !empty( $old_key ) ) { - delete_option( 'wordpress_api_key' ); - self::$notices[] = 'new-key-empty'; - } - } - elseif ( $new_key != $old_key ) { - self::save_key( $new_key ); - } - - return true; - } - - public static function save_key( $api_key ) { - $key_status = Akismet::verify_key( $api_key ); - - if ( $key_status == 'valid' ) { - $akismet_user = self::get_akismet_user( $api_key ); - - if ( $akismet_user ) { - if ( in_array( $akismet_user->status, array( 'active', 'active-dunning', 'no-sub' ) ) ) - update_option( 'wordpress_api_key', $api_key ); - - if ( $akismet_user->status == 'active' ) - self::$notices['status'] = 'new-key-valid'; - elseif ( $akismet_user->status == 'notice' ) - self::$notices['status'] = $akismet_user; - else - self::$notices['status'] = $akismet_user->status; - } - else - self::$notices['status'] = 'new-key-invalid'; - } - elseif ( in_array( $key_status, array( 'invalid', 'failed' ) ) ) - self::$notices['status'] = 'new-key-'.$key_status; - } - - public static function dashboard_stats() { - if ( did_action( 'rightnow_end' ) ) { - return; // We already displayed this info in the "Right Now" section - } - - if ( !$count = get_option('akismet_spam_count') ) - return; - - global $submenu; - - echo ''.sprintf( _n( - 'Akismet has protected your site from %3$s spam comment.', - 'Akismet has protected your site from %3$s spam comments.', - $count - , 'akismet'), 'https://akismet.com/wordpress/', esc_url( add_query_arg( array( 'page' => 'akismet-admin' ), admin_url( isset( $submenu['edit-comments.php'] ) ? 'edit-comments.php' : 'edit.php' ) ) ), number_format_i18n($count) ).'
'; - } - - // WP 2.5+ - public static function rightnow_stats() { - if ( $count = get_option('akismet_spam_count') ) { - $intro = sprintf( _n( - 'Akismet has protected your site from %2$s spam comment already. ', - 'Akismet has protected your site from %2$s spam comments already. ', - $count - , 'akismet'), 'https://akismet.com/wordpress/', number_format_i18n( $count ) ); - } else { - $intro = sprintf( __('Akismet blocks spam from getting to your blog. ', 'akismet'), 'https://akismet.com/wordpress/' ); - } - - $link = add_query_arg( array( 'comment_status' => 'spam' ), admin_url( 'edit-comments.php' ) ); - - if ( $queue_count = self::get_spam_count() ) { - $queue_text = sprintf( _n( - 'There’s %1$s comment in your spam queue right now.', - 'There are %1$s comments in your spam queue right now.', - $queue_count - , 'akismet'), number_format_i18n( $queue_count ), esc_url( $link ) ); - } else { - $queue_text = sprintf( __( "There’s nothing in your spam queue at the moment." , 'akismet'), esc_url( $link ) ); - } - - $text = $intro . 'wp_blacklist_check' );
- break;
- case 'report-spam':
- if ( isset( $row['user'] ) ) {
- $message = esc_html( sprintf( __( '%s reported this comment as spam.', 'akismet' ), $row['user'] ) );
- }
- else if ( ! $message ) {
- $message = esc_html( __( 'This comment was reported as spam.', 'akismet' ) );
- }
- break;
- case 'report-ham':
- if ( isset( $row['user'] ) ) {
- $message = esc_html( sprintf( __( '%s reported this comment as not spam.', 'akismet' ), $row['user'] ) );
- }
- else if ( ! $message ) {
- $message = esc_html( __( 'This comment was reported as not spam.', 'akismet' ) );
- }
- break;
- case 'cron-retry-spam':
- $message = esc_html( __( 'Akismet caught this comment as spam during an automatic retry.' , 'akismet') );
- break;
- case 'cron-retry-ham':
- $message = esc_html( __( 'Akismet cleared this comment during an automatic retry.', 'akismet') );
- break;
- case 'check-error':
- if ( isset( $row['meta'], $row['meta']['response'] ) ) {
- $message = sprintf( esc_html( __( 'Akismet was unable to check this comment (response: %s) but will automatically retry later.', 'akismet') ), '' . esc_html( $row['meta']['response'] ) . '' );
- }
- else {
- $message = esc_html( __( 'Akismet was unable to check this comment but will automatically retry later.', 'akismet' ) );
- }
- break;
- case 'recheck-error':
- if ( isset( $row['meta'], $row['meta']['response'] ) ) {
- $message = sprintf( esc_html( __( 'Akismet was unable to recheck this comment (response: %s).', 'akismet') ), '' . esc_html( $row['meta']['response'] ) . '' );
- }
- else {
- $message = esc_html( __( 'Akismet was unable to recheck this comment.', 'akismet' ) );
- }
- break;
- default:
- if ( preg_match( '/^status-changed/', $row['event'] ) ) {
- // Half of these used to be saved without the dash after 'status-changed'.
- // See https://plugins.trac.wordpress.org/changeset/1150658/akismet/trunk
- $new_status = preg_replace( '/^status-changed-?/', '', $row['event'] );
- $message = sprintf( esc_html( __( 'Comment status was changed to %s', 'akismet' ) ), '' . esc_html( $new_status ) . '' );
- }
- else if ( preg_match( '/^status-/', $row['event'] ) ) {
- $new_status = preg_replace( '/^status-/', '', $row['event'] );
-
- if ( isset( $row['user'] ) ) {
- $message = sprintf( esc_html( __( '%1$s changed the comment status to %2$s.', 'akismet' ) ), $row['user'], '' . esc_html( $new_status ) . '' );
- }
- }
- break;
-
- }
-
- if ( ! empty( $message ) ) {
- echo ''; - echo '' . sprintf( esc_html__('%s ago', 'akismet'), human_time_diff( $row['time'] ) ) . ''; - echo ' - '; - echo $message; // esc_html() is done above so that we can use HTML in some messages. - echo '
'; - } - } - } - else { - echo ''; - echo esc_html( __( 'No comment history.', 'akismet' ) ); - echo '
'; - } - } - - public static function plugin_action_links( $links, $file ) { - if ( $file == plugin_basename( plugin_dir_url( __FILE__ ) . '/akismet.php' ) ) { - $links[] = ''.esc_html__( 'Settings' , 'akismet').''; - } - - return $links; - } - - // Total spam in queue - // get_option( 'akismet_spam_count' ) is the total caught ever - public static function get_spam_count( $type = false ) { - global $wpdb; - - if ( !$type ) { // total - $count = wp_cache_get( 'akismet_spam_count', 'widget' ); - if ( false === $count ) { - $count = wp_count_comments(); - $count = $count->spam; - wp_cache_set( 'akismet_spam_count', $count, 'widget', 3600 ); - } - return $count; - } elseif ( 'comments' == $type || 'comment' == $type ) { // comments - $type = ''; - } - - return (int) $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(comment_ID) FROM {$wpdb->comments} WHERE comment_approved = 'spam' AND comment_type = %s", $type ) ); - } - - // Check connectivity between the WordPress blog and Akismet's servers. - // Returns an associative array of server IP addresses, where the key is the IP address, and value is true (available) or false (unable to connect). - public static function check_server_ip_connectivity() { - - $servers = $ips = array(); - - // Some web hosts may disable this function - if ( function_exists('gethostbynamel') ) { - - $ips = gethostbynamel( 'rest.akismet.com' ); - if ( $ips && is_array($ips) && count($ips) ) { - $api_key = Akismet::get_api_key(); - - foreach ( $ips as $ip ) { - $response = Akismet::verify_key( $api_key, $ip ); - // even if the key is invalid, at least we know we have connectivity - if ( $response == 'valid' || $response == 'invalid' ) - $servers[$ip] = 'connected'; - else - $servers[$ip] = $response ? $response : 'unable to connect'; - } - } - } - - return $servers; - } - - // Simpler connectivity check - public static function check_server_connectivity($cache_timeout = 86400) { - - $debug = array(); - $debug[ 'PHP_VERSION' ] = PHP_VERSION; - $debug[ 'WORDPRESS_VERSION' ] = $GLOBALS['wp_version']; - $debug[ 'AKISMET_VERSION' ] = AKISMET_VERSION; - $debug[ 'AKISMET__PLUGIN_DIR' ] = AKISMET__PLUGIN_DIR; - $debug[ 'SITE_URL' ] = site_url(); - $debug[ 'HOME_URL' ] = home_url(); - - $servers = get_option('akismet_available_servers'); - if ( (time() - get_option('akismet_connectivity_time') < $cache_timeout) && $servers !== false ) { - $servers = self::check_server_ip_connectivity(); - update_option('akismet_available_servers', $servers); - update_option('akismet_connectivity_time', time()); - } - - if ( wp_http_supports( array( 'ssl' ) ) ) { - $response = wp_remote_get( 'https://rest.akismet.com/1.1/test' ); - } - else { - $response = wp_remote_get( 'http://rest.akismet.com/1.1/test' ); - } - - $debug[ 'gethostbynamel' ] = function_exists('gethostbynamel') ? 'exists' : 'not here'; - $debug[ 'Servers' ] = $servers; - $debug[ 'Test Connection' ] = $response; - - Akismet::log( $debug ); - - if ( $response && 'connected' == wp_remote_retrieve_body( $response ) ) - return true; - - return false; - } - - // Check the server connectivity and store the available servers in an option. - public static function get_server_connectivity($cache_timeout = 86400) { - return self::check_server_connectivity( $cache_timeout ); - } - - /** - * Find out whether any comments in the Pending queue have not yet been checked by Akismet. - * - * @return bool - */ - public static function are_any_comments_waiting_to_be_checked() { - return !! get_comments( array( - // Exclude comments that are not pending. This would happen if someone manually approved or spammed a comment - // that was waiting to be checked. The akismet_error meta entry will eventually be removed by the cron recheck job. - 'status' => 'hold', - - // This is the commentmeta that is saved when a comment couldn't be checked. - 'meta_key' => 'akismet_error', - - // We only need to know whether at least one comment is waiting for a check. - 'number' => 1, - ) ); - } - - public static function get_page_url( $page = 'config' ) { - - $args = array( 'page' => 'akismet-key-config' ); - - if ( $page == 'stats' ) - $args = array( 'page' => 'akismet-key-config', 'view' => 'stats' ); - elseif ( $page == 'delete_key' ) - $args = array( 'page' => 'akismet-key-config', 'view' => 'start', 'action' => 'delete-key', '_wpnonce' => wp_create_nonce( self::NONCE ) ); - - $url = add_query_arg( $args, class_exists( 'Jetpack' ) ? admin_url( 'admin.php' ) : admin_url( 'options-general.php' ) ); - - return $url; - } - - public static function get_akismet_user( $api_key ) { - $akismet_user = false; - - $subscription_verification = Akismet::http_post( Akismet::build_query( array( 'key' => $api_key, 'blog' => get_option( 'home' ) ) ), 'get-subscription' ); - - if ( ! empty( $subscription_verification[1] ) ) { - if ( 'invalid' !== $subscription_verification[1] ) { - $akismet_user = json_decode( $subscription_verification[1] ); - } - } - - return $akismet_user; - } - - public static function get_stats( $api_key ) { - $stat_totals = array(); - - foreach( array( '6-months', 'all' ) as $interval ) { - $response = Akismet::http_post( Akismet::build_query( array( 'blog' => get_option( 'home' ), 'key' => $api_key, 'from' => $interval ) ), 'get-stats' ); - - if ( ! empty( $response[1] ) ) { - $stat_totals[$interval] = json_decode( $response[1] ); - } - } - - return $stat_totals; - } - - public static function verify_wpcom_key( $api_key, $user_id, $extra = array() ) { - $akismet_account = Akismet::http_post( Akismet::build_query( array_merge( array( - 'user_id' => $user_id, - 'api_key' => $api_key, - 'get_account_type' => 'true' - ), $extra ) ), 'verify-wpcom-key' ); - - if ( ! empty( $akismet_account[1] ) ) - $akismet_account = json_decode( $akismet_account[1] ); - - Akismet::log( compact( 'akismet_account' ) ); - - return $akismet_account; - } - - public static function connect_jetpack_user() { - - if ( $jetpack_user = self::get_jetpack_user() ) { - if ( isset( $jetpack_user['user_id'] ) && isset( $jetpack_user['api_key'] ) ) { - $akismet_user = self::verify_wpcom_key( $jetpack_user['api_key'], $jetpack_user['user_id'], array( 'action' => 'connect_jetpack_user' ) ); - - if ( is_object( $akismet_user ) ) { - self::save_key( $akismet_user->api_key ); - return in_array( $akismet_user->status, array( 'active', 'active-dunning', 'no-sub' ) ); - } - } - } - - return false; - } - - public static function display_alert() { - Akismet::view( 'notice', array( - 'type' => 'alert', - 'code' => (int) get_option( 'akismet_alert_code' ), - 'msg' => get_option( 'akismet_alert_msg' ) - ) ); - } - - public static function display_spam_check_warning() { - Akismet::fix_scheduled_recheck(); - - if ( wp_next_scheduled('akismet_schedule_cron_recheck') > time() && self::are_any_comments_waiting_to_be_checked() ) { - $link_text = apply_filters( 'akismet_spam_check_warning_link_text', sprintf( __( 'Please check your Akismet configuration and contact your web host if problems persist.', 'akismet'), esc_url( self::get_page_url() ) ) ); - Akismet::view( 'notice', array( 'type' => 'spam-check', 'link_text' => $link_text ) ); - } - } - - public static function display_api_key_warning() { - Akismet::view( 'notice', array( 'type' => 'plugin' ) ); - } - - public static function display_page() { - if ( !Akismet::get_api_key() || ( isset( $_GET['view'] ) && $_GET['view'] == 'start' ) ) - self::display_start_page(); - elseif ( isset( $_GET['view'] ) && $_GET['view'] == 'stats' ) - self::display_stats_page(); - else - self::display_configuration_page(); - } - - public static function display_start_page() { - if ( isset( $_GET['action'] ) ) { - if ( $_GET['action'] == 'delete-key' ) { - if ( isset( $_GET['_wpnonce'] ) && wp_verify_nonce( $_GET['_wpnonce'], self::NONCE ) ) - delete_option( 'wordpress_api_key' ); - } - } - - if ( $api_key = Akismet::get_api_key() && ( empty( self::$notices['status'] ) || 'existing-key-invalid' != self::$notices['status'] ) ) { - self::display_configuration_page(); - return; - } - - //the user can choose to auto connect their API key by clicking a button on the akismet done page - //if jetpack, get verified api key by using connected wpcom user id - //if no jetpack, get verified api key by using an akismet token - - $akismet_user = false; - - if ( isset( $_GET['token'] ) && preg_match('/^(\d+)-[0-9a-f]{20}$/', $_GET['token'] ) ) - $akismet_user = self::verify_wpcom_key( '', '', array( 'token' => $_GET['token'] ) ); - elseif ( $jetpack_user = self::get_jetpack_user() ) - $akismet_user = self::verify_wpcom_key( $jetpack_user['api_key'], $jetpack_user['user_id'] ); - - if ( isset( $_GET['action'] ) ) { - if ( $_GET['action'] == 'save-key' ) { - if ( is_object( $akismet_user ) ) { - self::save_key( $akismet_user->api_key ); - self::display_configuration_page(); - return; - } - } - } - - Akismet::view( 'start', compact( 'akismet_user' ) ); - - /* - // To see all variants when testing. - $akismet_user->status = 'no-sub'; - Akismet::view( 'start', compact( 'akismet_user' ) ); - $akismet_user->status = 'cancelled'; - Akismet::view( 'start', compact( 'akismet_user' ) ); - $akismet_user->status = 'suspended'; - Akismet::view( 'start', compact( 'akismet_user' ) ); - $akismet_user->status = 'other'; - Akismet::view( 'start', compact( 'akismet_user' ) ); - $akismet_user = false; - */ - } - - public static function display_stats_page() { - Akismet::view( 'stats' ); - } - - public static function display_configuration_page() { - $api_key = Akismet::get_api_key(); - $akismet_user = self::get_akismet_user( $api_key ); - - if ( ! $akismet_user ) { - // This could happen if the user's key became invalid after it was previously valid and successfully set up. - self::$notices['status'] = 'existing-key-invalid'; - self::display_start_page(); - return; - } - - $stat_totals = self::get_stats( $api_key ); - - // If unset, create the new strictness option using the old discard option to determine its default. - // If the old option wasn't set, default to discarding the blatant spam. - if ( get_option( 'akismet_strictness' ) === false ) { - add_option( 'akismet_strictness', ( get_option( 'akismet_discard_month' ) === 'false' ? '0' : '1' ) ); - } - - // Sync the local "Total spam blocked" count with the authoritative count from the server. - if ( isset( $stat_totals['all'], $stat_totals['all']->spam ) ) { - update_option( 'akismet_spam_count', $stat_totals['all']->spam ); - } - - $notices = array(); - - if ( empty( self::$notices ) ) { - if ( ! empty( $stat_totals['all'] ) && isset( $stat_totals['all']->time_saved ) && $akismet_user->status == 'active' && $akismet_user->account_type == 'free-api-key' ) { - - $time_saved = false; - - if ( $stat_totals['all']->time_saved > 1800 ) { - $total_in_minutes = round( $stat_totals['all']->time_saved / 60 ); - $total_in_hours = round( $total_in_minutes / 60 ); - $total_in_days = round( $total_in_hours / 8 ); - $cleaning_up = __( 'Cleaning up spam takes time.' , 'akismet'); - - if ( $total_in_days > 1 ) - $time_saved = $cleaning_up . ' ' . sprintf( _n( 'Akismet has saved you %s day!', 'Akismet has saved you %s days!', $total_in_days, 'akismet' ), number_format_i18n( $total_in_days ) ); - elseif ( $total_in_hours > 1 ) - $time_saved = $cleaning_up . ' ' . sprintf( _n( 'Akismet has saved you %d hour!', 'Akismet has saved you %d hours!', $total_in_hours, 'akismet' ), $total_in_hours ); - elseif ( $total_in_minutes >= 30 ) - $time_saved = $cleaning_up . ' ' . sprintf( _n( 'Akismet has saved you %d minute!', 'Akismet has saved you %d minutes!', $total_in_minutes, 'akismet' ), $total_in_minutes ); - } - - $notices[] = array( 'type' => 'active-notice', 'time_saved' => $time_saved ); - } - - if ( !empty( $akismet_user->limit_reached ) && in_array( $akismet_user->limit_reached, array( 'yellow', 'red' ) ) ) { - $notices[] = array( 'type' => 'limit-reached', 'level' => $akismet_user->limit_reached ); - } - } - - if ( !isset( self::$notices['status'] ) && in_array( $akismet_user->status, array( 'cancelled', 'suspended', 'missing', 'no-sub' ) ) ) { - $notices[] = array( 'type' => $akismet_user->status ); - } - - /* - // To see all variants when testing. - $notices[] = array( 'type' => 'active-notice', 'time_saved' => 'Cleaning up spam takes time. Akismet has saved you 1 minute!' ); - $notices[] = array( 'type' => 'plugin' ); - $notices[] = array( 'type' => 'spam-check', 'link_text' => 'Link text.' ); - $notices[] = array( 'type' => 'notice', 'notice_header' => 'This is the notice header.', 'notice_text' => 'This is the notice text.' ); - $notices[] = array( 'type' => 'missing-functions' ); - $notices[] = array( 'type' => 'servers-be-down' ); - $notices[] = array( 'type' => 'active-dunning' ); - $notices[] = array( 'type' => 'cancelled' ); - $notices[] = array( 'type' => 'suspended' ); - $notices[] = array( 'type' => 'missing' ); - $notices[] = array( 'type' => 'no-sub' ); - $notices[] = array( 'type' => 'new-key-valid' ); - $notices[] = array( 'type' => 'new-key-invalid' ); - $notices[] = array( 'type' => 'existing-key-invalid' ); - $notices[] = array( 'type' => 'new-key-failed' ); - $notices[] = array( 'type' => 'limit-reached', 'level' => 'yellow' ); - $notices[] = array( 'type' => 'limit-reached', 'level' => 'red' ); - */ - - Akismet::log( compact( 'stat_totals', 'akismet_user' ) ); - Akismet::view( 'config', compact( 'api_key', 'akismet_user', 'stat_totals', 'notices' ) ); - } - - public static function display_notice() { - global $hook_suffix; - - if ( in_array( $hook_suffix, array( 'jetpack_page_akismet-key-config', 'settings_page_akismet-key-config' ) ) ) { - // This page manages the notices and puts them inline where they make sense. - return; - } - - if ( in_array( $hook_suffix, array( 'edit-comments.php' ) ) && (int) get_option( 'akismet_alert_code' ) > 0 ) { - Akismet::verify_key( Akismet::get_api_key() ); //verify that the key is still in alert state - - if ( get_option( 'akismet_alert_code' ) > 0 ) - self::display_alert(); - } - elseif ( $hook_suffix == 'plugins.php' && !Akismet::get_api_key() ) { - self::display_api_key_warning(); - } - elseif ( $hook_suffix == 'edit-comments.php' && wp_next_scheduled( 'akismet_schedule_cron_recheck' ) ) { - self::display_spam_check_warning(); - } - - if ( isset( $_GET['akismet_recheck_complete'] ) ) { - $recheck_count = (int) $_GET['recheck_count']; - $spam_count = (int) $_GET['spam_count']; - - if ( $recheck_count === 0 ) { - $message = __( 'There were no comments to check. Akismet will only check comments awaiting moderation.', 'akismet' ); - } - else { - $message = sprintf( _n( 'Akismet checked %s comment.', 'Akismet checked %s comments.', $recheck_count, 'akismet' ), number_format( $recheck_count ) ); - $message .= ' '; - - if ( $spam_count === 0 ) { - $message .= __( 'No comments were caught as spam.', 'akismet' ); - } - else { - $message .= sprintf( _n( '%s comment was caught as spam.', '%s comments were caught as spam.', $spam_count, 'akismet' ), number_format( $spam_count ) ); - } - } - - echo '' . esc_html( $message ) . '
' . esc_html( __( 'Akismet could not recheck your comments for spam.', 'akismet' ) ) . '
- - -
- - - - - - '', 'blog_charset' => '', 'blog_lang' => '', 'blog_ua' => '', 'comment_agent' => '', 'comment_author' => '', 'comment_author_IP' => '', 'comment_author_email' => '', 'comment_author_url' => '', 'comment_content' => '', 'comment_date_gmt' => '', 'comment_tags' => '', 'comment_type' => '', 'guid' => '', 'is_test' => '', 'permalink' => '', 'reporter' => '', 'site_domain' => '', 'submit_referer' => '', 'submit_uri' => '', 'user_ID' => '', 'user_agent' => '', 'user_id' => '', 'user_ip' => '' ); - private static $is_rest_api_call = false; - - public static function init() { - if ( ! self::$initiated ) { - self::init_hooks(); - } - } - - /** - * Initializes WordPress hooks - */ - private static function init_hooks() { - self::$initiated = true; - - add_action( 'wp_insert_comment', array( 'Akismet', 'auto_check_update_meta' ), 10, 2 ); - add_filter( 'preprocess_comment', array( 'Akismet', 'auto_check_comment' ), 1 ); - add_filter( 'rest_pre_insert_comment', array( 'Akismet', 'rest_auto_check_comment' ), 1 ); - - add_action( 'akismet_scheduled_delete', array( 'Akismet', 'delete_old_comments' ) ); - add_action( 'akismet_scheduled_delete', array( 'Akismet', 'delete_old_comments_meta' ) ); - add_action( 'akismet_scheduled_delete', array( 'Akismet', 'delete_orphaned_commentmeta' ) ); - add_action( 'akismet_schedule_cron_recheck', array( 'Akismet', 'cron_recheck' ) ); - - add_action( 'comment_form', array( 'Akismet', 'add_comment_nonce' ), 1 ); - - add_action( 'admin_head-edit-comments.php', array( 'Akismet', 'load_form_js' ) ); - add_action( 'comment_form', array( 'Akismet', 'load_form_js' ) ); - add_action( 'comment_form', array( 'Akismet', 'inject_ak_js' ) ); - add_filter( 'script_loader_tag', array( 'Akismet', 'set_form_js_async' ), 10, 3 ); - - add_filter( 'comment_moderation_recipients', array( 'Akismet', 'disable_moderation_emails_if_unreachable' ), 1000, 2 ); - add_filter( 'pre_comment_approved', array( 'Akismet', 'last_comment_status' ), 10, 2 ); - - add_action( 'transition_comment_status', array( 'Akismet', 'transition_comment_status' ), 10, 3 ); - - // Run this early in the pingback call, before doing a remote fetch of the source uri - add_action( 'xmlrpc_call', array( 'Akismet', 'pre_check_pingback' ) ); - - // Jetpack compatibility - add_filter( 'jetpack_options_whitelist', array( 'Akismet', 'add_to_jetpack_options_whitelist' ) ); - add_action( 'update_option_wordpress_api_key', array( 'Akismet', 'updated_option' ), 10, 2 ); - add_action( 'add_option_wordpress_api_key', array( 'Akismet', 'added_option' ), 10, 2 ); - - add_action( 'comment_form_after', array( 'Akismet', 'display_comment_form_privacy_notice' ) ); - } - - public static function get_api_key() { - return apply_filters( 'akismet_get_api_key', defined('WPCOM_API_KEY') ? constant('WPCOM_API_KEY') : get_option('wordpress_api_key') ); - } - - public static function check_key_status( $key, $ip = null ) { - return self::http_post( Akismet::build_query( array( 'key' => $key, 'blog' => get_option( 'home' ) ) ), 'verify-key', $ip ); - } - - public static function verify_key( $key, $ip = null ) { - // Shortcut for obviously invalid keys. - if ( strlen( $key ) != 12 ) { - return 'invalid'; - } - - $response = self::check_key_status( $key, $ip ); - - if ( $response[1] != 'valid' && $response[1] != 'invalid' ) - return 'failed'; - - return $response[1]; - } - - public static function deactivate_key( $key ) { - $response = self::http_post( Akismet::build_query( array( 'key' => $key, 'blog' => get_option( 'home' ) ) ), 'deactivate' ); - - if ( $response[1] != 'deactivated' ) - return 'failed'; - - return $response[1]; - } - - /** - * Add the akismet option to the Jetpack options management whitelist. - * - * @param array $options The list of whitelisted option names. - * @return array The updated whitelist - */ - public static function add_to_jetpack_options_whitelist( $options ) { - $options[] = 'wordpress_api_key'; - return $options; - } - - /** - * When the akismet option is updated, run the registration call. - * - * This should only be run when the option is updated from the Jetpack/WP.com - * API call, and only if the new key is different than the old key. - * - * @param mixed $old_value The old option value. - * @param mixed $value The new option value. - */ - public static function updated_option( $old_value, $value ) { - // Not an API call - if ( ! class_exists( 'WPCOM_JSON_API_Update_Option_Endpoint' ) ) { - return; - } - // Only run the registration if the old key is different. - if ( $old_value !== $value ) { - self::verify_key( $value ); - } - } - - /** - * Treat the creation of an API key the same as updating the API key to a new value. - * - * @param mixed $option_name Will always be "wordpress_api_key", until something else hooks in here. - * @param mixed $value The option value. - */ - public static function added_option( $option_name, $value ) { - if ( 'wordpress_api_key' === $option_name ) { - return self::updated_option( '', $value ); - } - } - - public static function rest_auto_check_comment( $commentdata ) { - self::$is_rest_api_call = true; - - return self::auto_check_comment( $commentdata ); - } - - public static function auto_check_comment( $commentdata ) { - // If no key is configured, then there's no point in doing any of this. - if ( ! self::get_api_key() ) { - return $commentdata; - } - - self::$last_comment_result = null; - - $comment = $commentdata; - - $comment['user_ip'] = self::get_ip_address(); - $comment['user_agent'] = self::get_user_agent(); - $comment['referrer'] = self::get_referer(); - $comment['blog'] = get_option( 'home' ); - $comment['blog_lang'] = get_locale(); - $comment['blog_charset'] = get_option('blog_charset'); - $comment['permalink'] = get_permalink( $comment['comment_post_ID'] ); - - if ( ! empty( $comment['user_ID'] ) ) { - $comment['user_role'] = Akismet::get_user_roles( $comment['user_ID'] ); - } - - /** See filter documentation in init_hooks(). */ - $akismet_nonce_option = apply_filters( 'akismet_comment_nonce', get_option( 'akismet_comment_nonce' ) ); - $comment['akismet_comment_nonce'] = 'inactive'; - if ( $akismet_nonce_option == 'true' || $akismet_nonce_option == '' ) { - $comment['akismet_comment_nonce'] = 'failed'; - if ( isset( $_POST['akismet_comment_nonce'] ) && wp_verify_nonce( $_POST['akismet_comment_nonce'], 'akismet_comment_nonce_' . $comment['comment_post_ID'] ) ) - $comment['akismet_comment_nonce'] = 'passed'; - - // comment reply in wp-admin - if ( isset( $_POST['_ajax_nonce-replyto-comment'] ) && check_ajax_referer( 'replyto-comment', '_ajax_nonce-replyto-comment' ) ) - $comment['akismet_comment_nonce'] = 'passed'; - - } - - if ( self::is_test_mode() ) - $comment['is_test'] = 'true'; - - foreach( $_POST as $key => $value ) { - if ( is_string( $value ) ) - $comment["POST_{$key}"] = $value; - } - - foreach ( $_SERVER as $key => $value ) { - if ( ! is_string( $value ) ) { - continue; - } - - if ( preg_match( "/^HTTP_COOKIE/", $key ) ) { - continue; - } - - // Send any potentially useful $_SERVER vars, but avoid sending junk we don't need. - if ( preg_match( "/^(HTTP_|REMOTE_ADDR|REQUEST_URI|DOCUMENT_URI)/", $key ) ) { - $comment[ "$key" ] = $value; - } - } - - $post = get_post( $comment['comment_post_ID'] ); - - if ( ! is_null( $post ) ) { - // $post can technically be null, although in the past, it's always been an indicator of another plugin interfering. - $comment[ 'comment_post_modified_gmt' ] = $post->post_modified_gmt; - } - - $response = self::http_post( Akismet::build_query( $comment ), 'comment-check' ); - - do_action( 'akismet_comment_check_response', $response ); - - $commentdata['comment_as_submitted'] = array_intersect_key( $comment, self::$comment_as_submitted_allowed_keys ); - $commentdata['akismet_result'] = $response[1]; - - if ( isset( $response[0]['x-akismet-pro-tip'] ) ) - $commentdata['akismet_pro_tip'] = $response[0]['x-akismet-pro-tip']; - - if ( isset( $response[0]['x-akismet-error'] ) ) { - // An error occurred that we anticipated (like a suspended key) and want the user to act on. - // Send to moderation. - self::$last_comment_result = '0'; - } - else if ( 'true' == $response[1] ) { - // akismet_spam_count will be incremented later by comment_is_spam() - self::$last_comment_result = 'spam'; - - $discard = ( isset( $commentdata['akismet_pro_tip'] ) && $commentdata['akismet_pro_tip'] === 'discard' && self::allow_discard() ); - - do_action( 'akismet_spam_caught', $discard ); - - if ( $discard ) { - // The spam is obvious, so we're bailing out early. - // akismet_result_spam() won't be called so bump the counter here - if ( $incr = apply_filters( 'akismet_spam_count_incr', 1 ) ) { - update_option( 'akismet_spam_count', get_option( 'akismet_spam_count' ) + $incr ); - } - - if ( self::$is_rest_api_call ) { - return new WP_Error( 'akismet_rest_comment_discarded', __( 'Comment discarded.', 'akismet' ) ); - } - else { - // Redirect back to the previous page, or failing that, the post permalink, or failing that, the homepage of the blog. - $redirect_to = isset( $_SERVER['HTTP_REFERER'] ) ? $_SERVER['HTTP_REFERER'] : ( $post ? get_permalink( $post ) : home_url() ); - wp_safe_redirect( esc_url_raw( $redirect_to ) ); - die(); - } - } - else if ( self::$is_rest_api_call ) { - // The way the REST API structures its calls, we can set the comment_approved value right away. - $commentdata['comment_approved'] = 'spam'; - } - } - - // if the response is neither true nor false, hold the comment for moderation and schedule a recheck - if ( 'true' != $response[1] && 'false' != $response[1] ) { - if ( !current_user_can('moderate_comments') ) { - // Comment status should be moderated - self::$last_comment_result = '0'; - } - - if ( ! wp_next_scheduled( 'akismet_schedule_cron_recheck' ) ) { - wp_schedule_single_event( time() + 1200, 'akismet_schedule_cron_recheck' ); - do_action( 'akismet_scheduled_recheck', 'invalid-response-' . $response[1] ); - } - - self::$prevent_moderation_email_for_these_comments[] = $commentdata; - } - - // Delete old comments daily - if ( ! wp_next_scheduled( 'akismet_scheduled_delete' ) ) { - wp_schedule_event( time(), 'daily', 'akismet_scheduled_delete' ); - } - - self::set_last_comment( $commentdata ); - self::fix_scheduled_recheck(); - - return $commentdata; - } - - public static function get_last_comment() { - return self::$last_comment; - } - - public static function set_last_comment( $comment ) { - if ( is_null( $comment ) ) { - self::$last_comment = null; - } - else { - // We filter it here so that it matches the filtered comment data that we'll have to compare against later. - // wp_filter_comment expects comment_author_IP - self::$last_comment = wp_filter_comment( - array_merge( - array( 'comment_author_IP' => self::get_ip_address() ), - $comment - ) - ); - } - } - - // this fires on wp_insert_comment. we can't update comment_meta when auto_check_comment() runs - // because we don't know the comment ID at that point. - public static function auto_check_update_meta( $id, $comment ) { - // wp_insert_comment() might be called in other contexts, so make sure this is the same comment - // as was checked by auto_check_comment - if ( is_object( $comment ) && !empty( self::$last_comment ) && is_array( self::$last_comment ) ) { - if ( self::matches_last_comment( $comment ) ) { - - load_plugin_textdomain( 'akismet' ); - - // normal result: true or false - if ( self::$last_comment['akismet_result'] == 'true' ) { - update_comment_meta( $comment->comment_ID, 'akismet_result', 'true' ); - self::update_comment_history( $comment->comment_ID, '', 'check-spam' ); - if ( $comment->comment_approved != 'spam' ) - self::update_comment_history( - $comment->comment_ID, - '', - 'status-changed-'.$comment->comment_approved - ); - } - elseif ( self::$last_comment['akismet_result'] == 'false' ) { - update_comment_meta( $comment->comment_ID, 'akismet_result', 'false' ); - self::update_comment_history( $comment->comment_ID, '', 'check-ham' ); - // Status could be spam or trash, depending on the WP version and whether this change applies: - // https://core.trac.wordpress.org/changeset/34726 - if ( $comment->comment_approved == 'spam' || $comment->comment_approved == 'trash' ) { - if ( wp_blacklist_check($comment->comment_author, $comment->comment_author_email, $comment->comment_author_url, $comment->comment_content, $comment->comment_author_IP, $comment->comment_agent) ) - self::update_comment_history( $comment->comment_ID, '', 'wp-blacklisted' ); - else - self::update_comment_history( $comment->comment_ID, '', 'status-changed-'.$comment->comment_approved ); - } - } // abnormal result: error - else { - update_comment_meta( $comment->comment_ID, 'akismet_error', time() ); - self::update_comment_history( - $comment->comment_ID, - '', - 'check-error', - array( 'response' => substr( self::$last_comment['akismet_result'], 0, 50 ) ) - ); - } - - // record the complete original data as submitted for checking - if ( isset( self::$last_comment['comment_as_submitted'] ) ) - update_comment_meta( $comment->comment_ID, 'akismet_as_submitted', self::$last_comment['comment_as_submitted'] ); - - if ( isset( self::$last_comment['akismet_pro_tip'] ) ) - update_comment_meta( $comment->comment_ID, 'akismet_pro_tip', self::$last_comment['akismet_pro_tip'] ); - } - } - } - - public static function delete_old_comments() { - global $wpdb; - - /** - * Determines how many comments will be deleted in each batch. - * - * @param int The default, as defined by AKISMET_DELETE_LIMIT. - */ - $delete_limit = apply_filters( 'akismet_delete_comment_limit', defined( 'AKISMET_DELETE_LIMIT' ) ? AKISMET_DELETE_LIMIT : 10000 ); - $delete_limit = max( 1, intval( $delete_limit ) ); - - /** - * Determines how many days a comment will be left in the Spam queue before being deleted. - * - * @param int The default number of days. - */ - $delete_interval = apply_filters( 'akismet_delete_comment_interval', 15 ); - $delete_interval = max( 1, intval( $delete_interval ) ); - - while ( $comment_ids = $wpdb->get_col( $wpdb->prepare( "SELECT comment_id FROM {$wpdb->comments} WHERE DATE_SUB(NOW(), INTERVAL %d DAY) > comment_date_gmt AND comment_approved = 'spam' LIMIT %d", $delete_interval, $delete_limit ) ) ) { - if ( empty( $comment_ids ) ) - return; - - $wpdb->queries = array(); - - foreach ( $comment_ids as $comment_id ) { - do_action( 'delete_comment', $comment_id ); - do_action( 'akismet_batch_delete_count', __FUNCTION__ ); - } - - // Prepared as strings since comment_id is an unsigned BIGINT, and using %d will constrain the value to the maximum signed BIGINT. - $format_string = implode( ", ", array_fill( 0, count( $comment_ids ), '%s' ) ); - - $wpdb->query( $wpdb->prepare( "DELETE FROM {$wpdb->comments} WHERE comment_id IN ( " . $format_string . " )", $comment_ids ) ); - $wpdb->query( $wpdb->prepare( "DELETE FROM {$wpdb->commentmeta} WHERE comment_id IN ( " . $format_string . " )", $comment_ids ) ); - - clean_comment_cache( $comment_ids ); - do_action( 'akismet_delete_comment_batch', count( $comment_ids ) ); - } - - if ( apply_filters( 'akismet_optimize_table', ( mt_rand(1, 5000) == 11), $wpdb->comments ) ) // lucky number - $wpdb->query("OPTIMIZE TABLE {$wpdb->comments}"); - } - - public static function delete_old_comments_meta() { - global $wpdb; - - $interval = apply_filters( 'akismet_delete_commentmeta_interval', 15 ); - - # enforce a minimum of 1 day - $interval = absint( $interval ); - if ( $interval < 1 ) - $interval = 1; - - // akismet_as_submitted meta values are large, so expire them - // after $interval days regardless of the comment status - while ( $comment_ids = $wpdb->get_col( $wpdb->prepare( "SELECT m.comment_id FROM {$wpdb->commentmeta} as m INNER JOIN {$wpdb->comments} as c USING(comment_id) WHERE m.meta_key = 'akismet_as_submitted' AND DATE_SUB(NOW(), INTERVAL %d DAY) > c.comment_date_gmt LIMIT 10000", $interval ) ) ) { - if ( empty( $comment_ids ) ) - return; - - $wpdb->queries = array(); - - foreach ( $comment_ids as $comment_id ) { - delete_comment_meta( $comment_id, 'akismet_as_submitted' ); - do_action( 'akismet_batch_delete_count', __FUNCTION__ ); - } - - do_action( 'akismet_delete_commentmeta_batch', count( $comment_ids ) ); - } - - if ( apply_filters( 'akismet_optimize_table', ( mt_rand(1, 5000) == 11), $wpdb->commentmeta ) ) // lucky number - $wpdb->query("OPTIMIZE TABLE {$wpdb->commentmeta}"); - } - - // Clear out comments meta that no longer have corresponding comments in the database - public static function delete_orphaned_commentmeta() { - global $wpdb; - - $last_meta_id = 0; - $start_time = isset( $_SERVER['REQUEST_TIME_FLOAT'] ) ? $_SERVER['REQUEST_TIME_FLOAT'] : microtime( true ); - $max_exec_time = max( ini_get('max_execution_time') - 5, 3 ); - - while ( $commentmeta_results = $wpdb->get_results( $wpdb->prepare( "SELECT m.meta_id, m.comment_id, m.meta_key FROM {$wpdb->commentmeta} as m LEFT JOIN {$wpdb->comments} as c USING(comment_id) WHERE c.comment_id IS NULL AND m.meta_id > %d ORDER BY m.meta_id LIMIT 1000", $last_meta_id ) ) ) { - if ( empty( $commentmeta_results ) ) - return; - - $wpdb->queries = array(); - - $commentmeta_deleted = 0; - - foreach ( $commentmeta_results as $commentmeta ) { - if ( 'akismet_' == substr( $commentmeta->meta_key, 0, 8 ) ) { - delete_comment_meta( $commentmeta->comment_id, $commentmeta->meta_key ); - do_action( 'akismet_batch_delete_count', __FUNCTION__ ); - $commentmeta_deleted++; - } - - $last_meta_id = $commentmeta->meta_id; - } - - do_action( 'akismet_delete_commentmeta_batch', $commentmeta_deleted ); - - // If we're getting close to max_execution_time, quit for this round. - if ( microtime(true) - $start_time > $max_exec_time ) - return; - } - - if ( apply_filters( 'akismet_optimize_table', ( mt_rand(1, 5000) == 11), $wpdb->commentmeta ) ) // lucky number - $wpdb->query("OPTIMIZE TABLE {$wpdb->commentmeta}"); - } - - // how many approved comments does this author have? - public static function get_user_comments_approved( $user_id, $comment_author_email, $comment_author, $comment_author_url ) { - global $wpdb; - - if ( !empty( $user_id ) ) - return (int) $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(*) FROM {$wpdb->comments} WHERE user_id = %d AND comment_approved = 1", $user_id ) ); - - if ( !empty( $comment_author_email ) ) - return (int) $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(*) FROM {$wpdb->comments} WHERE comment_author_email = %s AND comment_author = %s AND comment_author_url = %s AND comment_approved = 1", $comment_author_email, $comment_author, $comment_author_url ) ); - - return 0; - } - - // get the full comment history for a given comment, as an array in reverse chronological order - public static function get_comment_history( $comment_id ) { - $history = get_comment_meta( $comment_id, 'akismet_history', false ); - if ( empty( $history ) || empty( $history[ 0 ] ) ) { - return false; - } - - /* - // To see all variants when testing. - $history[] = array( 'time' => 445856401, 'message' => 'Old versions of Akismet stored the message as a literal string in the commentmeta.', 'event' => null ); - $history[] = array( 'time' => 445856402, 'event' => 'recheck-spam' ); - $history[] = array( 'time' => 445856403, 'event' => 'check-spam' ); - $history[] = array( 'time' => 445856404, 'event' => 'recheck-ham' ); - $history[] = array( 'time' => 445856405, 'event' => 'check-ham' ); - $history[] = array( 'time' => 445856406, 'event' => 'wp-blacklisted' ); - $history[] = array( 'time' => 445856407, 'event' => 'report-spam' ); - $history[] = array( 'time' => 445856408, 'event' => 'report-spam', 'user' => 'sam' ); - $history[] = array( 'message' => 'sam reported this comment as spam (hardcoded message).', 'time' => 445856400, 'event' => 'report-spam', 'user' => 'sam' ); - $history[] = array( 'time' => 445856409, 'event' => 'report-ham', 'user' => 'sam' ); - $history[] = array( 'message' => 'sam reported this comment as ham (hardcoded message).', 'time' => 445856400, 'event' => 'report-ham', 'user' => 'sam' ); // - $history[] = array( 'time' => 445856410, 'event' => 'cron-retry-spam' ); - $history[] = array( 'time' => 445856411, 'event' => 'cron-retry-ham' ); - $history[] = array( 'time' => 445856412, 'event' => 'check-error' ); // - $history[] = array( 'time' => 445856413, 'event' => 'check-error', 'meta' => array( 'response' => 'The server was taking a nap.' ) ); - $history[] = array( 'time' => 445856414, 'event' => 'recheck-error' ); // Should not generate a message. - $history[] = array( 'time' => 445856415, 'event' => 'recheck-error', 'meta' => array( 'response' => 'The server was taking a nap.' ) ); - $history[] = array( 'time' => 445856416, 'event' => 'status-changedtrash' ); - $history[] = array( 'time' => 445856417, 'event' => 'status-changedspam' ); - $history[] = array( 'time' => 445856418, 'event' => 'status-changedhold' ); - $history[] = array( 'time' => 445856419, 'event' => 'status-changedapprove' ); - $history[] = array( 'time' => 445856420, 'event' => 'status-changed-trash' ); - $history[] = array( 'time' => 445856421, 'event' => 'status-changed-spam' ); - $history[] = array( 'time' => 445856422, 'event' => 'status-changed-hold' ); - $history[] = array( 'time' => 445856423, 'event' => 'status-changed-approve' ); - $history[] = array( 'time' => 445856424, 'event' => 'status-trash', 'user' => 'sam' ); - $history[] = array( 'time' => 445856425, 'event' => 'status-spam', 'user' => 'sam' ); - $history[] = array( 'time' => 445856426, 'event' => 'status-hold', 'user' => 'sam' ); - $history[] = array( 'time' => 445856427, 'event' => 'status-approve', 'user' => 'sam' ); - */ - - usort( $history, array( 'Akismet', '_cmp_time' ) ); - return $history; - } - - /** - * Log an event for a given comment, storing it in comment_meta. - * - * @param int $comment_id The ID of the relevant comment. - * @param string $message The string description of the event. No longer used. - * @param string $event The event code. - * @param array $meta Metadata about the history entry. e.g., the user that reported or changed the status of a given comment. - */ - public static function update_comment_history( $comment_id, $message, $event=null, $meta=null ) { - global $current_user; - - $user = ''; - - $event = array( - 'time' => self::_get_microtime(), - 'event' => $event, - ); - - if ( is_object( $current_user ) && isset( $current_user->user_login ) ) { - $event['user'] = $current_user->user_login; - } - - if ( ! empty( $meta ) ) { - $event['meta'] = $meta; - } - - // $unique = false so as to allow multiple values per comment - $r = add_comment_meta( $comment_id, 'akismet_history', $event, false ); - } - - public static function check_db_comment( $id, $recheck_reason = 'recheck_queue' ) { - global $wpdb; - - if ( ! self::get_api_key() ) { - return new WP_Error( 'akismet-not-configured', __( 'Akismet is not configured. Please enter an API key.', 'akismet' ) ); - } - - $c = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM {$wpdb->comments} WHERE comment_ID = %d", $id ), ARRAY_A ); - - if ( ! $c ) { - return new WP_Error( 'invalid-comment-id', __( 'Comment not found.', 'akismet' ) ); - } - - $c['user_ip'] = $c['comment_author_IP']; - $c['user_agent'] = $c['comment_agent']; - $c['referrer'] = ''; - $c['blog'] = get_option( 'home' ); - $c['blog_lang'] = get_locale(); - $c['blog_charset'] = get_option('blog_charset'); - $c['permalink'] = get_permalink($c['comment_post_ID']); - $c['recheck_reason'] = $recheck_reason; - - $c['user_role'] = ''; - if ( ! empty( $c['user_ID'] ) ) { - $c['user_role'] = Akismet::get_user_roles( $c['user_ID'] ); - } - - if ( self::is_test_mode() ) - $c['is_test'] = 'true'; - - $response = self::http_post( Akismet::build_query( $c ), 'comment-check' ); - - if ( ! empty( $response[1] ) ) { - return $response[1]; - } - - return false; - } - - public static function recheck_comment( $id, $recheck_reason = 'recheck_queue' ) { - add_comment_meta( $id, 'akismet_rechecking', true ); - - $api_response = self::check_db_comment( $id, $recheck_reason ); - - delete_comment_meta( $id, 'akismet_rechecking' ); - - if ( is_wp_error( $api_response ) ) { - // Invalid comment ID. - } - else if ( 'true' === $api_response ) { - wp_set_comment_status( $id, 'spam' ); - update_comment_meta( $id, 'akismet_result', 'true' ); - delete_comment_meta( $id, 'akismet_error' ); - delete_comment_meta( $id, 'akismet_delayed_moderation_email' ); - Akismet::update_comment_history( $id, '', 'recheck-spam' ); - } - elseif ( 'false' === $api_response ) { - update_comment_meta( $id, 'akismet_result', 'false' ); - delete_comment_meta( $id, 'akismet_error' ); - delete_comment_meta( $id, 'akismet_delayed_moderation_email' ); - Akismet::update_comment_history( $id, '', 'recheck-ham' ); - } - else { - // abnormal result: error - update_comment_meta( $id, 'akismet_result', 'error' ); - Akismet::update_comment_history( - $id, - '', - 'recheck-error', - array( 'response' => substr( $api_response, 0, 50 ) ) - ); - } - - return $api_response; - } - - public static function transition_comment_status( $new_status, $old_status, $comment ) { - - if ( $new_status == $old_status ) - return; - - if ( 'spam' === $new_status || 'spam' === $old_status ) { - // Clear the cache of the "X comments in your spam queue" count on the dashboard. - wp_cache_delete( 'akismet_spam_count', 'widget' ); - } - - # we don't need to record a history item for deleted comments - if ( $new_status == 'delete' ) - return; - - if ( !current_user_can( 'edit_post', $comment->comment_post_ID ) && !current_user_can( 'moderate_comments' ) ) - return; - - if ( defined('WP_IMPORTING') && WP_IMPORTING == true ) - return; - - // if this is present, it means the status has been changed by a re-check, not an explicit user action - if ( get_comment_meta( $comment->comment_ID, 'akismet_rechecking' ) ) - return; - - // Assumption alert: - // We want to submit comments to Akismet only when a moderator explicitly spams or approves it - not if the status - // is changed automatically by another plugin. Unfortunately WordPress doesn't provide an unambiguous way to - // determine why the transition_comment_status action was triggered. And there are several different ways by which - // to spam and unspam comments: bulk actions, ajax, links in moderation emails, the dashboard, and perhaps others. - // We'll assume that this is an explicit user action if certain POST/GET variables exist. - if ( - // status=spam: Marking as spam via the REST API or... - // status=unspam: I'm not sure. Maybe this used to be used instead of status=approved? Or the UI for removing from spam but not approving has been since removed?... - // status=approved: Unspamming via the REST API (Calypso) or... - ( isset( $_POST['status'] ) && in_array( $_POST['status'], array( 'spam', 'unspam', 'approved', ) ) ) - // spam=1: Clicking "Spam" underneath a comment in wp-admin and allowing the AJAX request to happen. - || ( isset( $_POST['spam'] ) && (int) $_POST['spam'] == 1 ) - // unspam=1: Clicking "Not Spam" underneath a comment in wp-admin and allowing the AJAX request to happen. Or, clicking "Undo" after marking something as spam. - || ( isset( $_POST['unspam'] ) && (int) $_POST['unspam'] == 1 ) - // comment_status=spam/unspam: It's unclear where this is happening. - || ( isset( $_POST['comment_status'] ) && in_array( $_POST['comment_status'], array( 'spam', 'unspam' ) ) ) - // action=spam: Choosing "Mark as Spam" from the Bulk Actions dropdown in wp-admin (or the "Spam it" link in notification emails). - // action=unspam: Choosing "Not Spam" from the Bulk Actions dropdown in wp-admin. - // action=spamcomment: Following the "Spam" link below a comment in wp-admin (not allowing AJAX request to happen). - // action=unspamcomment: Following the "Not Spam" link below a comment in wp-admin (not allowing AJAX request to happen). - || ( isset( $_GET['action'] ) && in_array( $_GET['action'], array( 'spam', 'unspam', 'spamcomment', 'unspamcomment', ) ) ) - // action=editedcomment: Editing a comment via wp-admin (and possibly changing its status). - || ( isset( $_POST['action'] ) && in_array( $_POST['action'], array( 'editedcomment' ) ) ) - // for=jetpack: Moderation via the WordPress app, Calypso, anything powered by the Jetpack connection. - || ( isset( $_GET['for'] ) && ( 'jetpack' == $_GET['for'] ) && ( ! defined( 'IS_WPCOM' ) || ! IS_WPCOM ) ) - // Certain WordPress.com API requests - || ( defined( 'REST_API_REQUEST' ) && REST_API_REQUEST ) - // WordPress.org REST API requests - || ( defined( 'REST_REQUEST' ) && REST_REQUEST ) - ) { - if ( $new_status == 'spam' && ( $old_status == 'approved' || $old_status == 'unapproved' || !$old_status ) ) { - return self::submit_spam_comment( $comment->comment_ID ); - } elseif ( $old_status == 'spam' && ( $new_status == 'approved' || $new_status == 'unapproved' ) ) { - return self::submit_nonspam_comment( $comment->comment_ID ); - } - } - - self::update_comment_history( $comment->comment_ID, '', 'status-' . $new_status ); - } - - public static function submit_spam_comment( $comment_id ) { - global $wpdb, $current_user, $current_site; - - $comment_id = (int) $comment_id; - - $comment = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM {$wpdb->comments} WHERE comment_ID = %d", $comment_id ) ); - - if ( !$comment ) // it was deleted - return; - - if ( 'spam' != $comment->comment_approved ) - return; - - self::update_comment_history( $comment_id, '', 'report-spam' ); - - // If the user hasn't configured Akismet, there's nothing else to do at this point. - if ( ! self::get_api_key() ) { - return; - } - - // use the original version stored in comment_meta if available - $as_submitted = self::sanitize_comment_as_submitted( get_comment_meta( $comment_id, 'akismet_as_submitted', true ) ); - - if ( $as_submitted && is_array( $as_submitted ) && isset( $as_submitted['comment_content'] ) ) - $comment = (object) array_merge( (array)$comment, $as_submitted ); - - $comment->blog = get_option( 'home' ); - $comment->blog_lang = get_locale(); - $comment->blog_charset = get_option('blog_charset'); - $comment->permalink = get_permalink($comment->comment_post_ID); - - if ( is_object($current_user) ) - $comment->reporter = $current_user->user_login; - - if ( is_object($current_site) ) - $comment->site_domain = $current_site->domain; - - $comment->user_role = ''; - if ( ! empty( $comment->user_ID ) ) { - $comment->user_role = Akismet::get_user_roles( $comment->user_ID ); - } - - if ( self::is_test_mode() ) - $comment->is_test = 'true'; - - $post = get_post( $comment->comment_post_ID ); - - if ( ! is_null( $post ) ) { - $comment->comment_post_modified_gmt = $post->post_modified_gmt; - } - - $response = Akismet::http_post( Akismet::build_query( $comment ), 'submit-spam' ); - - update_comment_meta( $comment_id, 'akismet_user_result', 'true' ); - - if ( $comment->reporter ) { - update_comment_meta( $comment_id, 'akismet_user', $comment->reporter ); - } - - do_action('akismet_submit_spam_comment', $comment_id, $response[1]); - } - - public static function submit_nonspam_comment( $comment_id ) { - global $wpdb, $current_user, $current_site; - - $comment_id = (int) $comment_id; - - $comment = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM {$wpdb->comments} WHERE comment_ID = %d", $comment_id ) ); - if ( !$comment ) // it was deleted - return; - - self::update_comment_history( $comment_id, '', 'report-ham' ); - - // If the user hasn't configured Akismet, there's nothing else to do at this point. - if ( ! self::get_api_key() ) { - return; - } - - // use the original version stored in comment_meta if available - $as_submitted = self::sanitize_comment_as_submitted( get_comment_meta( $comment_id, 'akismet_as_submitted', true ) ); - - if ( $as_submitted && is_array($as_submitted) && isset($as_submitted['comment_content']) ) - $comment = (object) array_merge( (array)$comment, $as_submitted ); - - $comment->blog = get_option( 'home' ); - $comment->blog_lang = get_locale(); - $comment->blog_charset = get_option('blog_charset'); - $comment->permalink = get_permalink( $comment->comment_post_ID ); - $comment->user_role = ''; - - if ( is_object($current_user) ) - $comment->reporter = $current_user->user_login; - - if ( is_object($current_site) ) - $comment->site_domain = $current_site->domain; - - if ( ! empty( $comment->user_ID ) ) { - $comment->user_role = Akismet::get_user_roles( $comment->user_ID ); - } - - if ( Akismet::is_test_mode() ) - $comment->is_test = 'true'; - - $post = get_post( $comment->comment_post_ID ); - - if ( ! is_null( $post ) ) { - $comment->comment_post_modified_gmt = $post->post_modified_gmt; - } - - $response = self::http_post( Akismet::build_query( $comment ), 'submit-ham' ); - - update_comment_meta( $comment_id, 'akismet_user_result', 'false' ); - - if ( $comment->reporter ) { - update_comment_meta( $comment_id, 'akismet_user', $comment->reporter ); - } - - do_action('akismet_submit_nonspam_comment', $comment_id, $response[1]); - } - - public static function cron_recheck() { - global $wpdb; - - $api_key = self::get_api_key(); - - $status = self::verify_key( $api_key ); - if ( get_option( 'akismet_alert_code' ) || $status == 'invalid' ) { - // since there is currently a problem with the key, reschedule a check for 6 hours hence - wp_schedule_single_event( time() + 21600, 'akismet_schedule_cron_recheck' ); - do_action( 'akismet_scheduled_recheck', 'key-problem-' . get_option( 'akismet_alert_code' ) . '-' . $status ); - return false; - } - - delete_option('akismet_available_servers'); - - $comment_errors = $wpdb->get_col( "SELECT comment_id FROM {$wpdb->commentmeta} WHERE meta_key = 'akismet_error' LIMIT 100" ); - - load_plugin_textdomain( 'akismet' ); - - foreach ( (array) $comment_errors as $comment_id ) { - // if the comment no longer exists, or is too old, remove the meta entry from the queue to avoid getting stuck - $comment = get_comment( $comment_id ); - - if ( - ! $comment // Comment has been deleted - || strtotime( $comment->comment_date_gmt ) < strtotime( "-15 days" ) // Comment is too old. - || $comment->comment_approved !== "0" // Comment is no longer in the Pending queue - ) { - delete_comment_meta( $comment_id, 'akismet_error' ); - delete_comment_meta( $comment_id, 'akismet_delayed_moderation_email' ); - continue; - } - - add_comment_meta( $comment_id, 'akismet_rechecking', true ); - $status = self::check_db_comment( $comment_id, 'retry' ); - - $event = ''; - if ( $status == 'true' ) { - $event = 'cron-retry-spam'; - } elseif ( $status == 'false' ) { - $event = 'cron-retry-ham'; - } - - // If we got back a legit response then update the comment history - // other wise just bail now and try again later. No point in - // re-trying all the comments once we hit one failure. - if ( !empty( $event ) ) { - delete_comment_meta( $comment_id, 'akismet_error' ); - self::update_comment_history( $comment_id, '', $event ); - update_comment_meta( $comment_id, 'akismet_result', $status ); - // make sure the comment status is still pending. if it isn't, that means the user has already moved it elsewhere. - $comment = get_comment( $comment_id ); - if ( $comment && 'unapproved' == wp_get_comment_status( $comment_id ) ) { - if ( $status == 'true' ) { - wp_spam_comment( $comment_id ); - } elseif ( $status == 'false' ) { - // comment is good, but it's still in the pending queue. depending on the moderation settings - // we may need to change it to approved. - if ( check_comment($comment->comment_author, $comment->comment_author_email, $comment->comment_author_url, $comment->comment_content, $comment->comment_author_IP, $comment->comment_agent, $comment->comment_type) ) - wp_set_comment_status( $comment_id, 1 ); - else if ( get_comment_meta( $comment_id, 'akismet_delayed_moderation_email', true ) ) - wp_notify_moderator( $comment_id ); - } - } - - delete_comment_meta( $comment_id, 'akismet_delayed_moderation_email' ); - } else { - // If this comment has been pending moderation for longer than MAX_DELAY_BEFORE_MODERATION_EMAIL, - // send a moderation email now. - if ( ( intval( gmdate( 'U' ) ) - strtotime( $comment->comment_date_gmt ) ) < self::MAX_DELAY_BEFORE_MODERATION_EMAIL ) { - delete_comment_meta( $comment_id, 'akismet_delayed_moderation_email' ); - wp_notify_moderator( $comment_id ); - } - - delete_comment_meta( $comment_id, 'akismet_rechecking' ); - wp_schedule_single_event( time() + 1200, 'akismet_schedule_cron_recheck' ); - do_action( 'akismet_scheduled_recheck', 'check-db-comment-' . $status ); - return; - } - delete_comment_meta( $comment_id, 'akismet_rechecking' ); - } - - $remaining = $wpdb->get_var( "SELECT COUNT(*) FROM {$wpdb->commentmeta} WHERE meta_key = 'akismet_error'" ); - if ( $remaining && !wp_next_scheduled('akismet_schedule_cron_recheck') ) { - wp_schedule_single_event( time() + 1200, 'akismet_schedule_cron_recheck' ); - do_action( 'akismet_scheduled_recheck', 'remaining' ); - } - } - - public static function fix_scheduled_recheck() { - $future_check = wp_next_scheduled( 'akismet_schedule_cron_recheck' ); - if ( !$future_check ) { - return; - } - - if ( get_option( 'akismet_alert_code' ) > 0 ) { - return; - } - - $check_range = time() + 1200; - if ( $future_check > $check_range ) { - wp_clear_scheduled_hook( 'akismet_schedule_cron_recheck' ); - wp_schedule_single_event( time() + 300, 'akismet_schedule_cron_recheck' ); - do_action( 'akismet_scheduled_recheck', 'fix-scheduled-recheck' ); - } - } - - public static function add_comment_nonce( $post_id ) { - /** - * To disable the Akismet comment nonce, add a filter for the 'akismet_comment_nonce' tag - * and return any string value that is not 'true' or '' (empty string). - * - * Don't return boolean false, because that implies that the 'akismet_comment_nonce' option - * has not been set and that Akismet should just choose the default behavior for that - * situation. - */ - - if ( ! self::get_api_key() ) { - return; - } - - $akismet_comment_nonce_option = apply_filters( 'akismet_comment_nonce', get_option( 'akismet_comment_nonce' ) ); - - if ( $akismet_comment_nonce_option == 'true' || $akismet_comment_nonce_option == '' ) { - echo ''; - } - } - - public static function is_test_mode() { - return defined('AKISMET_TEST_MODE') && AKISMET_TEST_MODE; - } - - public static function allow_discard() { - if ( defined( 'DOING_AJAX' ) && DOING_AJAX ) - return false; - if ( is_user_logged_in() ) - return false; - - return ( get_option( 'akismet_strictness' ) === '1' ); - } - - public static function get_ip_address() { - return isset( $_SERVER['REMOTE_ADDR'] ) ? $_SERVER['REMOTE_ADDR'] : null; - } - - /** - * Do these two comments, without checking the comment_ID, "match"? - * - * @param mixed $comment1 A comment object or array. - * @param mixed $comment2 A comment object or array. - * @return bool Whether the two comments should be treated as the same comment. - */ - private static function comments_match( $comment1, $comment2 ) { - $comment1 = (array) $comment1; - $comment2 = (array) $comment2; - - // Set default values for these strings that we check in order to simplify - // the checks and avoid PHP warnings. - if ( ! isset( $comment1['comment_author'] ) ) { - $comment1['comment_author'] = ''; - } - - if ( ! isset( $comment2['comment_author'] ) ) { - $comment2['comment_author'] = ''; - } - - if ( ! isset( $comment1['comment_author_email'] ) ) { - $comment1['comment_author_email'] = ''; - } - - if ( ! isset( $comment2['comment_author_email'] ) ) { - $comment2['comment_author_email'] = ''; - } - - $comments_match = ( - isset( $comment1['comment_post_ID'], $comment2['comment_post_ID'] ) - && intval( $comment1['comment_post_ID'] ) == intval( $comment2['comment_post_ID'] ) - && ( - // The comment author length max is 255 characters, limited by the TINYTEXT column type. - // If the comment author includes multibyte characters right around the 255-byte mark, they - // may be stripped when the author is saved in the DB, so a 300+ char author may turn into - // a 253-char author when it's saved, not 255 exactly. The longest possible character is - // theoretically 6 bytes, so we'll only look at the first 248 bytes to be safe. - substr( $comment1['comment_author'], 0, 248 ) == substr( $comment2['comment_author'], 0, 248 ) - || substr( stripslashes( $comment1['comment_author'] ), 0, 248 ) == substr( $comment2['comment_author'], 0, 248 ) - || substr( $comment1['comment_author'], 0, 248 ) == substr( stripslashes( $comment2['comment_author'] ), 0, 248 ) - // Certain long comment author names will be truncated to nothing, depending on their encoding. - || ( ! $comment1['comment_author'] && strlen( $comment2['comment_author'] ) > 248 ) - || ( ! $comment2['comment_author'] && strlen( $comment1['comment_author'] ) > 248 ) - ) - && ( - // The email max length is 100 characters, limited by the VARCHAR(100) column type. - // Same argument as above for only looking at the first 93 characters. - substr( $comment1['comment_author_email'], 0, 93 ) == substr( $comment2['comment_author_email'], 0, 93 ) - || substr( stripslashes( $comment1['comment_author_email'] ), 0, 93 ) == substr( $comment2['comment_author_email'], 0, 93 ) - || substr( $comment1['comment_author_email'], 0, 93 ) == substr( stripslashes( $comment2['comment_author_email'] ), 0, 93 ) - // Very long emails can be truncated and then stripped if the [0:100] substring isn't a valid address. - || ( ! $comment1['comment_author_email'] && strlen( $comment2['comment_author_email'] ) > 100 ) - || ( ! $comment2['comment_author_email'] && strlen( $comment1['comment_author_email'] ) > 100 ) - ) - ); - - return $comments_match; - } - - // Does the supplied comment match the details of the one most recently stored in self::$last_comment? - public static function matches_last_comment( $comment ) { - return self::comments_match( self::$last_comment, $comment ); - } - - private static function get_user_agent() { - return isset( $_SERVER['HTTP_USER_AGENT'] ) ? $_SERVER['HTTP_USER_AGENT'] : null; - } - - private static function get_referer() { - return isset( $_SERVER['HTTP_REFERER'] ) ? $_SERVER['HTTP_REFERER'] : null; - } - - // return a comma-separated list of role names for the given user - public static function get_user_roles( $user_id ) { - $roles = false; - - if ( !class_exists('WP_User') ) - return false; - - if ( $user_id > 0 ) { - $comment_user = new WP_User( $user_id ); - if ( isset( $comment_user->roles ) ) - $roles = join( ',', $comment_user->roles ); - } - - if ( is_multisite() && is_super_admin( $user_id ) ) { - if ( empty( $roles ) ) { - $roles = 'super_admin'; - } else { - $comment_user->roles[] = 'super_admin'; - $roles = join( ',', $comment_user->roles ); - } - } - - return $roles; - } - - // filter handler used to return a spam result to pre_comment_approved - public static function last_comment_status( $approved, $comment ) { - if ( is_null( self::$last_comment_result ) ) { - // We didn't have reason to store the result of the last check. - return $approved; - } - - // Only do this if it's the correct comment - if ( ! self::matches_last_comment( $comment ) ) { - self::log( "comment_is_spam mismatched comment, returning unaltered $approved" ); - return $approved; - } - - if ( 'trash' === $approved ) { - // If the last comment we checked has had its approval set to 'trash', - // then it failed the comment blacklist check. Let that blacklist override - // the spam check, since users have the (valid) expectation that when - // they fill out their blacklists, comments that match it will always - // end up in the trash. - return $approved; - } - - // bump the counter here instead of when the filter is added to reduce the possibility of overcounting - if ( $incr = apply_filters('akismet_spam_count_incr', 1) ) - update_option( 'akismet_spam_count', get_option('akismet_spam_count') + $incr ); - - return self::$last_comment_result; - } - - /** - * If Akismet is temporarily unreachable, we don't want to "spam" the blogger with - * moderation emails for comments that will be automatically cleared or spammed on - * the next retry. - * - * For comments that will be rechecked later, empty the list of email addresses that - * the moderation email would be sent to. - * - * @param array $emails An array of email addresses that the moderation email will be sent to. - * @param int $comment_id The ID of the relevant comment. - * @return array An array of email addresses that the moderation email will be sent to. - */ - public static function disable_moderation_emails_if_unreachable( $emails, $comment_id ) { - if ( ! empty( self::$prevent_moderation_email_for_these_comments ) && ! empty( $emails ) ) { - $comment = get_comment( $comment_id ); - - foreach ( self::$prevent_moderation_email_for_these_comments as $possible_match ) { - if ( self::comments_match( $possible_match, $comment ) ) { - update_comment_meta( $comment_id, 'akismet_delayed_moderation_email', true ); - return array(); - } - } - } - - return $emails; - } - - public static function _cmp_time( $a, $b ) { - return $a['time'] > $b['time'] ? -1 : 1; - } - - public static function _get_microtime() { - $mtime = explode( ' ', microtime() ); - return $mtime[1] + $mtime[0]; - } - - /** - * Make a POST request to the Akismet API. - * - * @param string $request The body of the request. - * @param string $path The path for the request. - * @param string $ip The specific IP address to hit. - * @return array A two-member array consisting of the headers and the response body, both empty in the case of a failure. - */ - public static function http_post( $request, $path, $ip=null ) { - - $akismet_ua = sprintf( 'WordPress/%s | Akismet/%s', $GLOBALS['wp_version'], constant( 'AKISMET_VERSION' ) ); - $akismet_ua = apply_filters( 'akismet_ua', $akismet_ua ); - - $content_length = strlen( $request ); - - $api_key = self::get_api_key(); - $host = self::API_HOST; - - if ( !empty( $api_key ) ) - $host = $api_key.'.'.$host; - - $http_host = $host; - // use a specific IP if provided - // needed by Akismet_Admin::check_server_connectivity() - if ( $ip && long2ip( ip2long( $ip ) ) ) { - $http_host = $ip; - } - - $http_args = array( - 'body' => $request, - 'headers' => array( - 'Content-Type' => 'application/x-www-form-urlencoded; charset=' . get_option( 'blog_charset' ), - 'Host' => $host, - 'User-Agent' => $akismet_ua, - ), - 'httpversion' => '1.0', - 'timeout' => 15 - ); - - $akismet_url = $http_akismet_url = "http://{$http_host}/1.1/{$path}"; - - /** - * Try SSL first; if that fails, try without it and don't try it again for a while. - */ - - $ssl = $ssl_failed = false; - - // Check if SSL requests were disabled fewer than X hours ago. - $ssl_disabled = get_option( 'akismet_ssl_disabled' ); - - if ( $ssl_disabled && $ssl_disabled < ( time() - 60 * 60 * 24 ) ) { // 24 hours - $ssl_disabled = false; - delete_option( 'akismet_ssl_disabled' ); - } - else if ( $ssl_disabled ) { - do_action( 'akismet_ssl_disabled' ); - } - - if ( ! $ssl_disabled && ( $ssl = wp_http_supports( array( 'ssl' ) ) ) ) { - $akismet_url = set_url_scheme( $akismet_url, 'https' ); - - do_action( 'akismet_https_request_pre' ); - } - - $response = wp_remote_post( $akismet_url, $http_args ); - - Akismet::log( compact( 'akismet_url', 'http_args', 'response' ) ); - - if ( $ssl && is_wp_error( $response ) ) { - do_action( 'akismet_https_request_failure', $response ); - - // Intermittent connection problems may cause the first HTTPS - // request to fail and subsequent HTTP requests to succeed randomly. - // Retry the HTTPS request once before disabling SSL for a time. - $response = wp_remote_post( $akismet_url, $http_args ); - - Akismet::log( compact( 'akismet_url', 'http_args', 'response' ) ); - - if ( is_wp_error( $response ) ) { - $ssl_failed = true; - - do_action( 'akismet_https_request_failure', $response ); - - do_action( 'akismet_http_request_pre' ); - - // Try the request again without SSL. - $response = wp_remote_post( $http_akismet_url, $http_args ); - - Akismet::log( compact( 'http_akismet_url', 'http_args', 'response' ) ); - } - } - - if ( is_wp_error( $response ) ) { - do_action( 'akismet_request_failure', $response ); - - return array( '', '' ); - } - - if ( $ssl_failed ) { - // The request failed when using SSL but succeeded without it. Disable SSL for future requests. - update_option( 'akismet_ssl_disabled', time() ); - - do_action( 'akismet_https_disabled' ); - } - - $simplified_response = array( $response['headers'], $response['body'] ); - - self::update_alert( $simplified_response ); - - return $simplified_response; - } - - // given a response from an API call like check_key_status(), update the alert code options if an alert is present. - public static function update_alert( $response ) { - $code = $msg = null; - if ( isset( $response[0]['x-akismet-alert-code'] ) ) { - $code = $response[0]['x-akismet-alert-code']; - $msg = $response[0]['x-akismet-alert-msg']; - } - - // only call update_option() if the value has changed - if ( $code != get_option( 'akismet_alert_code' ) ) { - if ( ! $code ) { - delete_option( 'akismet_alert_code' ); - delete_option( 'akismet_alert_msg' ); - } - else { - update_option( 'akismet_alert_code', $code ); - update_option( 'akismet_alert_msg', $msg ); - } - } - } - - public static function load_form_js() { - if ( function_exists( 'is_amp_endpoint' ) && is_amp_endpoint() ) { - return; - } - - if ( ! self::get_api_key() ) { - return; - } - - wp_register_script( 'akismet-form', plugin_dir_url( __FILE__ ) . '_inc/form.js', array(), AKISMET_VERSION, true ); - wp_enqueue_script( 'akismet-form' ); - } - - /** - * Mark form.js as async. Because nothing depends on it, it can run at any time - * after it's loaded, and the browser won't have to wait for it to load to continue - * parsing the rest of the page. - */ - public static function set_form_js_async( $tag, $handle, $src ) { - if ( 'akismet-form' !== $handle ) { - return $tag; - } - - return preg_replace( '/^