WordPress.com API key to use this service. You can review the spam it catches under "Manage" and it automatically deletes old spam after 15 days. Hat tip: Michael Hampton and Chris J. Davis for help with the plugin. Author: Matt Mullenweg Version: 1.14 Author URI: http://photomatt.net/ */ add_action('admin_menu', 'ksd_config_page'); function ksd_config_page() { global $wpdb; if ( function_exists('add_submenu_page') ) add_submenu_page('plugins.php', __('Akismet Configuration'), __('Akismet Configuration'), 1, __FILE__, 'akismet_conf'); } function akismet_conf() { if ( isset($_POST['submit']) ) { check_admin_referer(); $key = preg_replace('/[^a-h0-9]/i', '', $_POST['key']); if ( akismet_verify_key( $key ) ) update_option('wordpress_api_key', $key); else $invalid_key = true; } if ( !akismet_verify_key( get_option('wordpress_api_key') ) ) $invalid_key = true; ?>

Akismet will greatly reduce or even completely eliminate the comment and trackback spam you get on your site. If one does happen to get through, simply mark it as "spam" on the moderation screen and Akismet will learn from the mistakes. If you don\'t have a WordPress.com account yet, you can get one at WordPress.com.'), 'http://akismet.com/', 'http://wordpress.com/api-keys/'); ?>

(What is this?'); ?>)

".__('Akismet is not active.')." ".sprintf(__('You must enter your WordPress.com API key for it to work.'), "plugins.php?page=$path")."

"; } add_action('admin_footer', 'akismet_warning'); return; } $ksd_api_host = get_option('wordpress_api_key') . '.rest.akismet.com'; $ksd_api_port = 80; $ksd_user_agent = "WordPress/$wp_version | Akismet/1.14"; // Returns array with headers in $response[0] and entity in $response[1] function ksd_http_post($request, $host, $path, $port = 80) { global $ksd_user_agent; $http_request = "POST $path HTTP/1.0\r\n"; $http_request .= "Host: $host\r\n"; $http_request .= "Content-Type: application/x-www-form-urlencoded; charset=" . get_settings('blog_charset') . "\r\n"; $http_request .= "Content-Length: " . strlen($request) . "\r\n"; $http_request .= "User-Agent: $ksd_user_agent\r\n"; $http_request .= "\r\n"; $http_request .= $request; $response = ''; if( false !== ( $fs = @fsockopen($host, $port, $errno, $errstr, 3) ) ) { fwrite($fs, $http_request); while ( !feof($fs) ) $response .= fgets($fs, 1160); // One TCP-IP packet fclose($fs); $response = explode("\r\n\r\n", $response, 2); } return $response; } function ksd_auto_check_comment( $comment ) { global $auto_comment_approved, $ksd_api_host, $ksd_api_port; $comment['user_ip'] = $_SERVER['REMOTE_ADDR']; $comment['user_agent'] = $_SERVER['HTTP_USER_AGENT']; $comment['referrer'] = $_SERVER['HTTP_REFERER']; $comment['blog'] = get_option('home'); $ignore = array( 'HTTP_COOKIE' ); foreach ( $_SERVER as $key => $value ) if ( !in_array( $key, $ignore ) ) $comment["$key"] = $value; $query_string = ''; foreach ( $comment as $key => $data ) $query_string .= $key . '=' . urlencode( stripslashes($data) ) . '&'; $response = ksd_http_post($query_string, $ksd_api_host, '/1.1/comment-check', $ksd_api_port); if ( 'true' == $response[1] ) { $auto_comment_approved = 'spam'; update_option( 'akismet_spam_count', get_option('akismet_spam_count') + 1 ); } akismet_delete_old(); return $comment; } function akismet_delete_old() { global $wpdb; $now_gmt = current_time('mysql', 1); $wpdb->query("DELETE FROM $wpdb->comments WHERE DATE_SUB('$now_gmt', INTERVAL 15 DAY) > comment_date_gmt AND comment_approved = 'spam'"); $n = mt_rand(1, 5); if ( $n % 5 ) $wpdb->query("OPTIMIZE TABLE $wpdb->comments"); } function ksd_auto_approved( $approved ) { global $auto_comment_approved; if ( 'spam' == $auto_comment_approved ) $approved = $auto_comment_approved; return $approved; } function ksd_submit_nonspam_comment ( $comment_id ) { global $wpdb, $ksd_api_host, $ksd_api_port; $comment = $wpdb->get_row("SELECT * FROM $wpdb->comments WHERE comment_ID = '$comment_id'"); if ( !$comment ) // it was deleted return; $comment->blog = get_option('home'); $query_string = ''; foreach ( $comment as $key => $data ) $query_string .= $key . '=' . urlencode( stripslashes($data) ) . '&'; $response = ksd_http_post($query_string, $ksd_api_host, "/1.1/submit-ham", $ksd_api_port); } function ksd_submit_spam_comment ( $comment_id ) { global $wpdb, $ksd_api_host, $ksd_api_port; $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; $comment->blog = get_option('home'); $query_string = ''; foreach ( $comment as $key => $data ) $query_string .= $key . '=' . urlencode( stripslashes($data) ) . '&'; $response = ksd_http_post($query_string, $ksd_api_host, "/1.1/submit-spam", $ksd_api_port); } add_action('wp_set_comment_status', 'ksd_submit_spam_comment'); add_action('edit_comment', 'ksd_submit_spam_comment'); add_action('preprocess_comment', 'ksd_auto_check_comment', 1); add_filter('pre_comment_approved', 'ksd_auto_approved'); function ksd_spam_count() { global $wpdb, $comments; $count = $wpdb->get_var("SELECT COUNT(comment_ID) FROM $wpdb->comments WHERE comment_approved = 'spam'"); return $count; } function ksd_manage_page() { global $wpdb; $count = sprintf(__('Akismet Spam (%s)'), ksd_spam_count()); if ( function_exists('add_management_page') ) add_management_page(__('Akismet Spam'), $count, 1, __FILE__, 'ksd_caught'); } function ksd_caught() { global $wpdb, $comment; if (isset($_POST['submit']) && 'recover' == $_POST['action'] && ! empty($_POST['not_spam'])) { $i = 0; foreach ($_POST['not_spam'] as $comment): $comment = (int) $comment; if ( function_exists('wp_set_comment_status') ) wp_set_comment_status($comment, 'approve'); else $wpdb->query("UPDATE $wpdb->comments SET comment_approved = '1' WHERE comment_ID = '$comment'"); ksd_submit_nonspam_comment($comment); ++$i; endforeach; echo '

' . sprintf(__('%1$s comments recovered.'), $i) . "

"; } if ('delete' == $_POST['action']) { $delete_time = addslashes( $_POST['display_time'] ); $nuked = $wpdb->query( "DELETE FROM $wpdb->comments WHERE comment_approved = 'spam' AND '$delete_time' > comment_date_gmt" ); if (isset($nuked)) { echo '

'; if ($nuked) { _e('All spam deleted.'); } echo "

"; } } ?>

%1$s spam for you since you installed it.'), number_format($count) ); ?>

'.__('You have no spam currently in the queue. Must be your lucky day. :)').'

'; echo '
'; } else { echo '

'.__('You can delete all of the spam from your database with a single click. This operation cannot be undone, so you may wish to check to ensure that no legitimate comments got through first. Spam is automatically deleted after 15 days, so don’t sweat it.').'

'; ?>
   

'.__('These are the latest comments identified as spam by Akismet. If you see any mistakes, simply mark the comment as "not spam" and Akismet will learn from the submission. If you wish to recover a comment from spam, simply select the comment, and click Not Spam. After 15 days we clean out the junk for you.').'

'; ?> get_results("SELECT * FROM $wpdb->comments WHERE comment_approved = 'spam' ORDER BY comment_date DESC LIMIT 150"); if ($comments) { ?>
    comment_date); $post = get_post($comment->comment_post_ID); $post_title = $post->post_title; if ($i % 2) $class = 'class="alternate"'; else $class = ''; echo "\n\t
  1. "; ?>

    comment_author_email) { ?>| comment_author_url && 'http://' != $comment->comment_author_url) { ?> | | |

'.__('Spam').''; echo '

'.sprintf(__('Akismet has protected your site from %3$s spam comments.'), 'http://akismet.com/', "edit.php?page=$path", number_format($count) ).'

'; } add_action('activity_box_end', 'akismet_stats'); ?>