X-Git-Url: https://scripts.mit.edu/gitweb/autoinstalls/wordpress.git/blobdiff_plain/f9001779751f83dc8a10e478bfecb4d8dd5f964c..refs/tags/wordpress-3.5.2:/wp-content/plugins/akismet/akismet.php diff --git a/wp-content/plugins/akismet/akismet.php b/wp-content/plugins/akismet/akismet.php index f4537450..15a1b2c2 100644 --- a/wp-content/plugins/akismet/akismet.php +++ b/wp-content/plugins/akismet/akismet.php @@ -4,9 +4,9 @@ */ /* Plugin Name: Akismet -Plugin URI: http://akismet.com/ -Description: Used by millions, Akismet is quite possibly the best way in the world to protect your blog from comment and trackback spam. It keeps your site protected from spam even while you sleep. To get started: 1) Click the "Activate" link to the left of this description, 2) Sign up for an Akismet API key, and 3) Go to your Akismet configuration page, and save your API key. -Version: 2.5.3 +Plugin URI: http://akismet.com/?return=true +Description: Used by millions, Akismet is quite possibly the best way in the world to protect your blog from comment and trackback spam. It keeps your site protected from spam even while you sleep. To get started: 1) Click the "Activate" link to the left of this description, 2) Sign up for an Akismet API key, and 3) Go to your Akismet configuration page, and save your API key. +Version: 2.5.8 Author: Automattic Author URI: http://automattic.com/wordpress-plugins/ License: GPLv2 or later @@ -28,7 +28,13 @@ along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ -define('AKISMET_VERSION', '2.5.3'); +// Make sure we don't expose any info if called directly +if ( !function_exists( 'add_action' ) ) { + echo 'Hi there! I\'m just a plugin, not much I can do when called directly.'; + exit; +} + +define('AKISMET_VERSION', '2.5.8'); define('AKISMET_PLUGIN_URL', plugin_dir_url( __FILE__ )); /** If you hardcode a WP.com API key here, all key config screens will be hidden */ @@ -37,12 +43,6 @@ if ( defined('WPCOM_API_KEY') ) else $wpcom_api_key = ''; -// Make sure we don't expose any info if called directly -if ( !function_exists( 'add_action' ) ) { - echo "Hi there! I'm just a plugin, not much I can do when called directly."; - exit; -} - if ( isset($wp_db_version) && $wp_db_version <= 9872 ) include_once dirname( __FILE__ ) . '/legacy.php'; @@ -70,12 +70,33 @@ function akismet_get_key() { return get_option('wordpress_api_key'); } -function akismet_verify_key( $key, $ip = null ) { +function akismet_check_key_status( $key, $ip = null ) { global $akismet_api_host, $akismet_api_port, $wpcom_api_key; $blog = urlencode( get_option('home') ); if ( $wpcom_api_key ) $key = $wpcom_api_key; $response = akismet_http_post("key=$key&blog=$blog", 'rest.akismet.com', '/1.1/verify-key', $akismet_api_port, $ip); + return $response; +} + +// given a response from an API call like akismet_check_key_status(), update the alert code options if an alert is present. +function akismet_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' ) ) { + update_option( 'akismet_alert_code', $code ); + update_option( 'akismet_alert_msg', $msg ); + } +} + +function akismet_verify_key( $key, $ip = null ) { + $response = akismet_check_key_status( $key, $ip ); + akismet_update_alert( $response ); if ( !is_array($response) || !isset($response[1]) || $response[1] != 'valid' && $response[1] != 'invalid' ) return 'failed'; return $response[1]; @@ -89,7 +110,7 @@ function akismet_test_mode() { } // return a comma-separated list of role names for the given user -function akismet_get_user_roles($user_id ) { +function akismet_get_user_roles( $user_id ) { $roles = false; if ( !class_exists('WP_User') ) @@ -120,6 +141,8 @@ function akismet_http_post($request, $host, $path, $port = 80, $ip=null) { $akismet_ua = "WordPress/{$wp_version} | "; $akismet_ua .= 'Akismet/' . constant( 'AKISMET_VERSION' ); + $akismet_ua = apply_filters( 'akismet_ua', $akismet_ua ); + $content_length = strlen( $request ); $http_host = $host; @@ -254,10 +277,13 @@ function akismet_auto_check_update_meta( $id, $comment ) { if ( !function_exists('add_comment_meta') ) return false; + if ( !isset( $akismet_last_comment['comment_author_email'] ) ) + $akismet_last_comment['comment_author_email'] = ''; + // wp_insert_comment() might be called in other contexts, so make sure this is the same comment // as was checked by akismet_auto_check_comment if ( is_object($comment) && !empty($akismet_last_comment) && is_array($akismet_last_comment) ) { - if ( intval($akismet_last_comment['comment_post_ID']) == intval($comment->comment_post_ID) + if ( isset($akismet_last_comment['comment_post_ID']) && intval($akismet_last_comment['comment_post_ID']) == intval($comment->comment_post_ID) && $akismet_last_comment['comment_author'] == $comment->comment_author && $akismet_last_comment['comment_author_email'] == $comment->comment_author_email ) { // normal result: true or false @@ -278,7 +304,7 @@ function akismet_auto_check_update_meta( $id, $comment ) { // abnormal result: error } else { update_comment_meta( $comment->comment_ID, 'akismet_error', time() ); - akismet_update_comment_history( $comment->comment_ID, sprintf( __('Akismet was unable to check this comment (response: %s), will automatically retry again later.'), $akismet_last_comment['akismet_result']), 'check-error' ); + akismet_update_comment_history( $comment->comment_ID, sprintf( __('Akismet was unable to check this comment (response: %s), will automatically retry again later.'), substr($akismet_last_comment['akismet_result'], 0, 50)), 'check-error' ); } // record the complete original data as submitted for checking @@ -296,14 +322,16 @@ function akismet_auto_check_comment( $commentdata ) { $comment = $commentdata; $comment['user_ip'] = $_SERVER['REMOTE_ADDR']; - $comment['user_agent'] = $_SERVER['HTTP_USER_AGENT']; - $comment['referrer'] = $_SERVER['HTTP_REFERER']; + $comment['user_agent'] = isset($_SERVER['HTTP_USER_AGENT']) ? $_SERVER['HTTP_USER_AGENT'] : null; + $comment['referrer'] = isset($_SERVER['HTTP_REFERER']) ? $_SERVER['HTTP_REFERER'] : null; $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']); - $comment['user_role'] = akismet_get_user_roles($comment['user_ID']); + if ( !empty( $comment['user_ID'] ) ) { + $comment['user_role'] = akismet_get_user_roles( $comment['user_ID'] ); + } $akismet_nonce_option = apply_filters( 'akismet_comment_nonce', get_option( 'akismet_comment_nonce' ) ); $comment['akismet_comment_nonce'] = 'inactive'; @@ -335,6 +363,9 @@ function akismet_auto_check_comment( $commentdata ) { $comment["$key"] = ''; } + $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) ) . '&'; @@ -342,6 +373,8 @@ function akismet_auto_check_comment( $commentdata ) { $commentdata['comment_as_submitted'] = $comment; $response = akismet_http_post($query_string, $akismet_api_host, '/1.1/comment-check', $akismet_api_port); + do_action( 'akismet_comment_check_response', $response ); + akismet_update_alert( $response ); $commentdata['akismet_result'] = $response[1]; if ( 'true' == $response[1] ) { // akismet_spam_count will be incremented later by akismet_result_spam() @@ -349,7 +382,6 @@ function akismet_auto_check_comment( $commentdata ) { do_action( 'akismet_spam_caught' ); - $post = get_post( $comment['comment_post_ID'] ); $last_updated = strtotime( $post->post_modified_gmt ); $diff = time() - $last_updated; $diff = $diff / 86400; @@ -358,15 +390,20 @@ function akismet_auto_check_comment( $commentdata ) { // 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 ); - wp_redirect( $_SERVER['HTTP_REFERER'] ); + $redirect_to = isset( $_SERVER['HTTP_REFERER'] ) ? $_SERVER['HTTP_REFERER'] : get_permalink( $post ); + wp_safe_redirect( $redirect_to ); die(); } } // if the response is neither true nor false, hold the comment for moderation and schedule a recheck if ( 'true' != $response[1] && 'false' != $response[1] ) { - add_filter('pre_comment_approved', 'akismet_result_hold'); - wp_schedule_single_event( time() + 1200, 'akismet_schedule_cron_recheck' ); + if ( !current_user_can('moderate_comments') ) { + add_filter('pre_comment_approved', 'akismet_result_hold'); + } + if ( !wp_next_scheduled( 'akismet_schedule_cron_recheck' ) ) { + wp_schedule_single_event( time() + 1200, 'akismet_schedule_cron_recheck' ); + } } if ( function_exists('wp_next_scheduled') && function_exists('wp_schedule_event') ) { @@ -378,6 +415,8 @@ function akismet_auto_check_comment( $commentdata ) { akismet_delete_old(); } $akismet_last_comment = $commentdata; + + akismet_fix_scheduled_recheck(); return $commentdata; } @@ -402,7 +441,42 @@ function akismet_delete_old() { } +function akismet_delete_old_metadata() { + global $wpdb; + + $now_gmt = current_time( 'mysql', 1 ); + $interval = apply_filters( 'akismet_delete_commentmeta_interval', 15 ); + + # enfore a minimum of 1 day + $interval = absint( $interval ); + if ( $interval < 1 ) { + return; + } + + // akismet_as_submitted meta values are large, so expire them + // after $interval days regardless of the comment status + while ( TRUE ) { + $comment_ids = $wpdb->get_col( "SELECT $wpdb->comments.comment_id FROM $wpdb->commentmeta INNER JOIN $wpdb->comments USING(comment_id) WHERE meta_key = 'akismet_as_submitted' AND DATE_SUB('$now_gmt', INTERVAL {$interval} DAY) > comment_date_gmt LIMIT 10000" ); + + if ( empty( $comment_ids ) ) { + return; + } + + foreach ( $comment_ids as $comment_id ) { + delete_comment_meta( $comment_id, 'akismet_as_submitted' ); + } + } + + /* + $n = mt_rand( 1, 5000 ); + if ( apply_filters( 'akismet_optimize_table', ( $n == 11 ), 'commentmeta' ) ) { // lucky number + $wpdb->query( "OPTIMIZE TABLE $wpdb->commentmeta" ); + } + */ +} + add_action('akismet_scheduled_delete', 'akismet_delete_old'); +add_action('akismet_scheduled_delete', 'akismet_delete_old_metadata'); function akismet_check_db_comment( $id, $recheck_reason = 'recheck_queue' ) { global $wpdb, $akismet_api_host, $akismet_api_port; @@ -429,12 +503,19 @@ function akismet_check_db_comment( $id, $recheck_reason = 'recheck_queue' ) { $query_string .= $key . '=' . urlencode( stripslashes($data) ) . '&'; $response = akismet_http_post($query_string, $akismet_api_host, '/1.1/comment-check', $akismet_api_port); - return $response[1]; + return ( is_array( $response ) && isset( $response[1] ) ) ? $response[1] : false; } function akismet_cron_recheck() { global $wpdb; + $status = akismet_verify_key( akismet_get_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' ); + return false; + } + delete_option('akismet_available_servers'); $comment_errors = $wpdb->get_col( " @@ -445,8 +526,9 @@ function akismet_cron_recheck() { " ); foreach ( (array) $comment_errors as $comment_id ) { - // if the comment no longer exists, remove the meta entry from the queue to avoid getting stuck - if ( !get_comment( $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 || strtotime( $comment->comment_date_gmt ) < strtotime( "-15 days" ) ) { delete_comment_meta( $comment_id, 'akismet_error' ); continue; } @@ -485,9 +567,10 @@ function akismet_cron_recheck() { wp_schedule_single_event( time() + 1200, 'akismet_schedule_cron_recheck' ); return; } + delete_comment_meta( $comment_id, 'akismet_rechecking' ); } - $remaining = $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(*) FROM $wpdb->commentmeta WHERE meta_key = 'akismet_error'" ) ); + $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' ); } @@ -505,8 +588,26 @@ $akismet_comment_nonce_option = apply_filters( 'akismet_comment_nonce', get_opti if ( $akismet_comment_nonce_option == 'true' || $akismet_comment_nonce_option == '' ) add_action( 'comment_form', 'akismet_add_comment_nonce' ); +global $wp_version; if ( '3.0.5' == $wp_version ) { remove_filter( 'comment_text', 'wp_kses_data' ); if ( is_admin() ) add_filter( 'comment_text', 'wp_kses_post' ); } + +function akismet_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' ); + } +}