".sprintf(__('Akismet %s requires WordPress 3.0 or higher.'), AKISMET_VERSION) ." ".sprintf(__('Please upgrade WordPress to a current version, or downgrade to version 2.4 of the Akismet plugin.'), 'http://codex.wordpress.org/Upgrading_WordPress', 'http://wordpress.org/extend/plugins/akismet/download/'). "

+ +

+ + +

+ +

fsockopen or gethostbynamel functions. Akismet cannot work correctly until this is fixed. Please contact your web host or firewall administrator and give them this information about Akismet\'s system requirements.'), 'http://blog.akismet.com/akismet-hosting-faq/'); ?>

+ 0 ) { + // some connections work, some fail + if ( $fail_count > 0 && $fail_count < count($servers) ) { ?> +

this information about Akismet and firewalls.'), 'http://blog.akismet.com/akismet-hosting-faq/'); ?>

+ 0 ) { ?> +

Akismet cannot work correctly until this is fixed. Please contact your web host or firewall administrator and give them this information about Akismet and firewalls.'), 'http://blog.akismet.com/akismet-hosting-faq/'); ?>

+ +

+ + + + + $status ) { + $color = ( $status ? '#4AB915' : '#888'); + ?> + + + + + + +

Click here to confirm that Akismet.com is up.'), 'http://status.automattic.com/9931/136079/Akismet-API', 'http://status.automattic.com/9931/136079/Akismet-API' ); ?>

+ +

'.sprintf( _n( 'Akismet has protected your site from %3$s spam comments.', 'Akismet has protected your site from %3$s spam comments.', $count ), 'http://akismet.com/?return=true', clean_url("$link?page=akismet-admin"), number_format_i18n($count) ).'

".__('Akismet is almost ready.')." ".sprintf(__('You must enter your Akismet API key for it to work.'), "admin.php?page=akismet-key-config")."

" . __('Check for Spam') . ""; +} +add_action('manage_comments_nav', 'akismet_check_for_spam_button'); + +function akismet_submit_nonspam_comment ( $comment_id ) { + global $wpdb, $akismet_api_host, $akismet_api_port, $current_user, $current_site; + $comment_id = (int) $comment_id; + + $comment = $wpdb->get_row("SELECT * FROM $wpdb->comments WHERE comment_ID = '$comment_id'"); + if ( !$comment ) // it was deleted + return; + + // use the original version stored in comment_meta if available + $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_bloginfo('url'); + $comment->blog_lang = get_locale(); + $comment->blog_charset = get_option('blog_charset'); + $comment->permalink = get_permalink($comment->comment_post_ID); + $comment->reporter_ip = $_SERVER['REMOTE_ADDR']; + if ( is_object($current_user) ) { + $comment->reporter = $current_user->user_login; + } + if ( is_object($current_site) ) { + $comment->site_domain = $current_site->domain; + } + + $comment->user_role = ''; + if ( isset( $comment->user_ID ) ) + $comment->user_role = akismet_get_user_roles($comment->user_ID); + + if ( akismet_test_mode() ) + $comment->is_test = 'true'; + + $post = get_post( $comment->comment_post_ID ); + $comment->comment_post_modified_gmt = $post->post_modified_gmt; + + $query_string = ''; + foreach ( $comment as $key => $data ) + $query_string .= $key . '=' . urlencode( stripslashes($data) ) . '&'; + + $response = akismet_http_post($query_string, $akismet_api_host, "/1.1/submit-ham", $akismet_api_port); + if ( $comment->reporter ) { + akismet_update_comment_history( $comment_id, sprintf( __('%s reported this comment as not spam'), $comment->reporter ), 'report-ham' ); + update_comment_meta( $comment_id, 'akismet_user_result', 'false' ); + update_comment_meta( $comment_id, 'akismet_user', $comment->reporter ); + } + + do_action('akismet_submit_nonspam_comment', $comment_id, $response[1]); +} + +function akismet_submit_spam_comment ( $comment_id ) { + global $wpdb, $akismet_api_host, $akismet_api_port, $current_user, $current_site; + $comment_id = (int) $comment_id; + + $comment = $wpdb->get_row("SELECT * FROM $wpdb->comments WHERE comment_ID = '$comment_id'"); + if ( !$comment ) // it was deleted + return; + if ( 'spam' != $comment->comment_approved ) + return; + + // use the original version stored in comment_meta if available + $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_bloginfo('url'); + $comment->blog_lang = get_locale(); + $comment->blog_charset = get_option('blog_charset'); + $comment->permalink = get_permalink($comment->comment_post_ID); + $comment->reporter_ip = $_SERVER['REMOTE_ADDR']; + if ( is_object($current_user) ) { + $comment->reporter = $current_user->user_login; + } + if ( is_object($current_site) ) { + $comment->site_domain = $current_site->domain; + } + + $comment->user_role = ''; + if ( isset( $comment->user_ID ) ) + $comment->user_role = akismet_get_user_roles($comment->user_ID); + + if ( akismet_test_mode() ) + $comment->is_test = 'true'; + + $post = get_post( $comment->comment_post_ID ); + $comment->comment_post_modified_gmt = $post->post_modified_gmt; + + $query_string = ''; + foreach ( $comment as $key => $data ) + $query_string .= $key . '=' . urlencode( stripslashes($data) ) . '&'; + + $response = akismet_http_post($query_string, $akismet_api_host, "/1.1/submit-spam", $akismet_api_port); + if ( $comment->reporter ) { + akismet_update_comment_history( $comment_id, sprintf( __('%s reported this comment as spam'), $comment->reporter ), 'report-spam' ); + update_comment_meta( $comment_id, 'akismet_user_result', 'true' ); + update_comment_meta( $comment_id, 'akismet_user', $comment->reporter ); + } + do_action('akismet_submit_spam_comment', $comment_id, $response[1]); +} + +// For WP 2.7+ +function akismet_transition_comment_status( $new_status, $old_status, $comment ) { + if ( $new_status == $old_status ) + return; + + # we don't need to record a history item for deleted comments + if ( $new_status == 'delete' ) + return; + + if ( !is_admin() ) + 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; + + global $current_user; + $reporter = ''; + if ( is_object( $current_user ) ) + $reporter = $current_user->user_login; + + // Assumption alert: + // We want to submit comments to Akismet only when a moderator explicitly spams or approves it - not if the status + // is changed automatically by another plugin. Unfortunately WordPress doesn't provide an unambiguous way to + // determine why the transition_comment_status action was triggered. And there are several different ways by which + // to spam and unspam comments: bulk actions, ajax, links in moderation emails, the dashboard, and perhaps others. + // We'll assume that this is an explicit user action if POST or GET has an 'action' key. + if ( isset($_POST['action']) || isset($_GET['action']) ) { + if ( $new_status == 'spam' && ( $old_status == 'approved' || $old_status == 'unapproved' || !$old_status ) ) { + return akismet_submit_spam_comment( $comment->comment_ID ); + } elseif ( $old_status == 'spam' && ( $new_status == 'approved' || $new_status == 'unapproved' ) ) { + return akismet_submit_nonspam_comment( $comment->comment_ID ); + } + } + + akismet_update_comment_history( $comment->comment_ID, sprintf( __('%s changed the comment status to %s'), $reporter, $new_status ), 'status-' . $new_status ); +} + +add_action( 'transition_comment_status', 'akismet_transition_comment_status', 10, 3 ); + +// Total spam in queue +// get_option( 'akismet_spam_count' ) is the total caught ever +function akismet_spam_count( $type = false ) { + global $wpdb; + + if ( !$type ) { // total + $count = wp_cache_get( 'akismet_spam_count', 'widget' ); + if ( false === $count ) { + if ( function_exists('wp_count_comments') ) { + $count = wp_count_comments(); + $count = $count->spam; + } else { + $count = (int) $wpdb->get_var("SELECT COUNT(comment_ID) FROM $wpdb->comments WHERE comment_approved = 'spam'"); + } + wp_cache_set( 'akismet_spam_count', $count, 'widget', 3600 ); + } + return $count; + } elseif ( 'comments' == $type || 'comment' == $type ) { // comments + $type = ''; + } else { // pingback, trackback, ... + $type = $wpdb->escape( $type ); + } + + return (int) $wpdb->get_var("SELECT COUNT(comment_ID) FROM $wpdb->comments WHERE comment_approved = 'spam' AND comment_type='$type'"); +} + + +function akismet_recheck_queue() { + global $wpdb, $akismet_api_host, $akismet_api_port; + + akismet_fix_scheduled_recheck(); + + if ( ! ( isset( $_GET['recheckqueue'] ) || ( isset( $_REQUEST['action'] ) && 'akismet_recheck_queue' == $_REQUEST['action'] ) ) ) + return; + + $moderation = $wpdb->get_results( "SELECT * FROM $wpdb->comments WHERE comment_approved = '0'", ARRAY_A ); + foreach ( (array) $moderation as $c ) { + $c['user_ip'] = $c['comment_author_IP']; + $c['user_agent'] = $c['comment_agent']; + $c['referrer'] = ''; + $c['blog'] = get_bloginfo('url'); + $c['blog_lang'] = get_locale(); + $c['blog_charset'] = get_option('blog_charset'); + $c['permalink'] = get_permalink($c['comment_post_ID']); + + $c['user_role'] = ''; + if ( isset( $c['user_ID'] ) ) + $c['user_role'] = akismet_get_user_roles($c['user_ID']); + + if ( akismet_test_mode() ) + $c['is_test'] = 'true'; + + $id = (int) $c['comment_ID']; + + $query_string = ''; + foreach ( $c as $key => $data ) + $query_string .= $key . '=' . urlencode( stripslashes($data) ) . '&'; + + add_comment_meta( $c['comment_ID'], 'akismet_rechecking', true ); + $response = akismet_http_post($query_string, $akismet_api_host, '/1.1/comment-check', $akismet_api_port); + if ( 'true' == $response[1] ) { + wp_set_comment_status($c['comment_ID'], 'spam'); + update_comment_meta( $c['comment_ID'], 'akismet_result', 'true' ); + delete_comment_meta( $c['comment_ID'], 'akismet_error' ); + akismet_update_comment_history( $c['comment_ID'], __('Akismet re-checked and caught this comment as spam'), 'check-spam' ); + + } elseif ( 'false' == $response[1] ) { + update_comment_meta( $c['comment_ID'], 'akismet_result', 'false' ); + delete_comment_meta( $c['comment_ID'], 'akismet_error' ); + akismet_update_comment_history( $c['comment_ID'], __('Akismet re-checked and cleared this comment'), 'check-ham' ); + // abnormal result: error + } else { + update_comment_meta( $c['comment_ID'], 'akismet_result', 'error' ); + akismet_update_comment_history( $c['comment_ID'], sprintf( __('Akismet was unable to re-check this comment (response: %s)'), substr($response[1], 0, 50)), 'check-error' ); + } + + delete_comment_meta( $c['comment_ID'], 'akismet_rechecking' ); + } + wp_safe_redirect( $_SERVER['HTTP_REFERER'] ); + exit; +} + +add_action('admin_action_akismet_recheck_queue', 'akismet_recheck_queue'); + +// Adds an 'x' link next to author URLs, clicking will remove the author URL and show an undo link +function akismet_remove_comment_author_url() { + if ( !empty($_POST['id'] ) && check_admin_referer( 'comment_author_url_nonce' ) ) { + global $wpdb; + $comment = get_comment( intval($_POST['id']), ARRAY_A ); + if (current_user_can('edit_comment', $comment['comment_ID'])) { + $comment['comment_author_url'] = ''; + do_action( 'comment_remove_author_url' ); + print(wp_update_comment( $comment )); + die(); + } + } +} + +add_action('wp_ajax_comment_author_deurl', 'akismet_remove_comment_author_url'); + +function akismet_add_comment_author_url() { + if ( !empty( $_POST['id'] ) && !empty( $_POST['url'] ) && check_admin_referer( 'comment_author_url_nonce' ) ) { + global $wpdb; + $comment = get_comment( intval($_POST['id']), ARRAY_A ); + if (current_user_can('edit_comment', $comment['comment_ID'])) { + $comment['comment_author_url'] = esc_url($_POST['url']); + do_action( 'comment_add_author_url' ); + print(wp_update_comment( $comment )); + die(); + } + } +} + +add_action('wp_ajax_comment_author_reurl', 'akismet_add_comment_author_url'); + +// 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). +function akismet_check_server_connectivity() { + global $akismet_api_host, $akismet_api_port, $wpcom_api_key; + + $test_host = 'rest.akismet.com'; + + // Some web hosts may disable one or both functions + if ( !function_exists('fsockopen') || !function_exists('gethostbynamel') ) + return array(); + + $ips = gethostbynamel($test_host); + if ( !$ips || !is_array($ips) || !count($ips) ) + return array(); + + $servers = array(); + foreach ( $ips as $ip ) { + $response = akismet_verify_key( akismet_get_key(), $ip ); + // even if the key is invalid, at least we know we have connectivity + if ( $response == 'valid' || $response == 'invalid' ) + $servers[$ip] = true; + else + $servers[$ip] = false; + } + + return $servers; +} + +// Check the server connectivity and store the results in an option. +// Cached results will be used if not older than the specified timeout in seconds; use $cache_timeout = 0 to force an update. +// Returns the same associative array as akismet_check_server_connectivity() +function akismet_get_server_connectivity( $cache_timeout = 86400 ) { + $servers = get_option('akismet_available_servers'); + if ( (time() - get_option('akismet_connectivity_time') < $cache_timeout) && $servers !== false ) + return $servers; + + // There's a race condition here but the effect is harmless. + $servers = akismet_check_server_connectivity(); + update_option('akismet_available_servers', $servers); + update_option('akismet_connectivity_time', time()); + return $servers; +} + +// Returns true if server connectivity was OK at the last check, false if there was a problem that needs to be fixed. +function akismet_server_connectivity_ok() { + // skip the check on WPMU because the status page is hidden + global $wpcom_api_key; + if ( $wpcom_api_key ) + return true; + $servers = akismet_get_server_connectivity(); + return !( empty($servers) || !count($servers) || count( array_filter($servers) ) < count($servers) ); +} + +function akismet_admin_menu() { + if ( class_exists( 'Jetpack' ) ) { + add_action( 'jetpack_admin_menu', 'akismet_load_menu' ); + } else { + akismet_load_menu(); + } +} + +function akismet_load_menu() { + if ( class_exists( 'Jetpack' ) ) { + add_submenu_page( 'jetpack', __( 'Akismet Configuration' ), __( 'Akismet Configuration' ), 'manage_options', 'akismet-key-config', 'akismet_conf' ); + add_submenu_page( 'jetpack', __( 'Akismet Stats' ), __( 'Akismet Stats' ), 'manage_options', 'akismet-stats-display', 'akismet_stats_display' ); + } else { + add_submenu_page('plugins.php', __('Akismet Configuration'), __('Akismet Configuration'), 'manage_options', 'akismet-key-config', 'akismet_conf'); + add_submenu_page('index.php', __('Akismet Stats'), __('Akismet Stats'), 'manage_options', 'akismet-stats-display', 'akismet_stats_display'); + } +}