1 <?php 2 /** 3 * @package Akismet 4 */ 5 /* 6 Plugin Name: Akismet 7 Plugin URI: http://akismet.com/?return=true 8 Description: Used by millions, Akismet is quite possibly the best way in the world to <strong>protect your blog from comment and trackback spam</strong>. 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) <a href="http://akismet.com/get/?return=true">Sign up for an Akismet API key</a>, and 3) Go to your <a href="admin.php?page=akismet-key-config">Akismet configuration</a> page, and save your API key. 9 Version: 2.5.6 10 Author: Automattic 11 Author URI: http://automattic.com/wordpress-plugins/ 12 License: GPLv2 or later 13 */ 14 15 /* 16 This program is free software; you can redistribute it and/or 17 modify it under the terms of the GNU General Public License 18 as published by the Free Software Foundation; either version 2 19 of the License, or (at your option) any later version. 20 21 This program is distributed in the hope that it will be useful, 22 but WITHOUT ANY WARRANTY; without even the implied warranty of 23 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 24 GNU General Public License for more details. 25 26 You should have received a copy of the GNU General Public License 27 along with this program; if not, write to the Free Software 28 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. 29 */ 30 31 define('AKISMET_VERSION', '2.5.6'); 32 define('AKISMET_PLUGIN_URL', plugin_dir_url( __FILE__ )); 33 34 /** If you hardcode a WP.com API key here, all key config screens will be hidden */ 35 if ( defined('WPCOM_API_KEY') ) 36 $wpcom_api_key = constant('WPCOM_API_KEY'); 37 else 38 $wpcom_api_key = ''; 39 40 // Make sure we don't expose any info if called directly 41 if ( !function_exists( 'add_action' ) ) { 42 echo "Hi there! I'm just a plugin, not much I can do when called directly."; 43 exit; 44 } 45 46 if ( isset($wp_db_version) && $wp_db_version <= 9872 ) 47 include_once dirname( __FILE__ ) . '/legacy.php'; 48 49 include_once dirname( __FILE__ ) . '/widget.php'; 50 51 if ( is_admin() ) 52 require_once dirname( __FILE__ ) . '/admin.php'; 53 54 function akismet_init() { 55 global $wpcom_api_key, $akismet_api_host, $akismet_api_port; 56 57 if ( $wpcom_api_key ) 58 $akismet_api_host = $wpcom_api_key . '.rest.akismet.com'; 59 else 60 $akismet_api_host = get_option('wordpress_api_key') . '.rest.akismet.com'; 61 62 $akismet_api_port = 80; 63 } 64 add_action('init', 'akismet_init'); 65 66 function akismet_get_key() { 67 global $wpcom_api_key; 68 if ( !empty($wpcom_api_key) ) 69 return $wpcom_api_key; 70 return get_option('wordpress_api_key'); 71 } 72 73 function akismet_check_key_status( $key, $ip = null ) { 74 global $akismet_api_host, $akismet_api_port, $wpcom_api_key; 75 $blog = urlencode( get_option('home') ); 76 if ( $wpcom_api_key ) 77 $key = $wpcom_api_key; 78 $response = akismet_http_post("key=$key&blog=$blog", 'rest.akismet.com', '/1.1/verify-key', $akismet_api_port, $ip); 79 return $response; 80 } 81 82 // given a response from an API call like akismet_check_key_status(), update the alert code options if an alert is present. 83 function akismet_update_alert( $response ) { 84 $code = $msg = null; 85 if ( isset($response[0]['x-akismet-alert-code']) ) { 86 $code = $response[0]['x-akismet-alert-code']; 87 $msg = $response[0]['x-akismet-alert-msg']; 88 } 89 90 // only call update_option() if the value has changed 91 if ( $code != get_option( 'akismet_alert_code' ) ) { 92 update_option( 'akismet_alert_code', $code ); 93 update_option( 'akismet_alert_msg', $msg ); 94 } 95 } 96 97 function akismet_verify_key( $key, $ip = null ) { 98 $response = akismet_check_key_status( $key, $ip ); 99 akismet_update_alert( $response ); 100 if ( !is_array($response) || !isset($response[1]) || $response[1] != 'valid' && $response[1] != 'invalid' ) 101 return 'failed'; 102 return $response[1]; 103 } 104 105 // if we're in debug or test modes, use a reduced service level so as not to polute training or stats data 106 function akismet_test_mode() { 107 if ( defined('AKISMET_TEST_MODE') && AKISMET_TEST_MODE ) 108 return true; 109 return false; 110 } 111 112 // return a comma-separated list of role names for the given user 113 function akismet_get_user_roles($user_id ) { 114 $roles = false; 115 116 if ( !class_exists('WP_User') ) 117 return false; 118 119 if ( $user_id > 0 ) { 120 $comment_user = new WP_User($user_id); 121 if ( isset($comment_user->roles) ) 122 $roles = join(',', $comment_user->roles); 123 } 124 125 if ( is_multisite() && is_super_admin( $user_id ) ) { 126 if ( empty( $roles ) ) { 127 $roles = 'super_admin'; 128 } else { 129 $comment_user->roles[] = 'super_admin'; 130 $roles = join( ',', $comment_user->roles ); 131 } 132 } 133 134 return $roles; 135 } 136 137 // Returns array with headers in $response[0] and body in $response[1] 138 function akismet_http_post($request, $host, $path, $port = 80, $ip=null) { 139 global $wp_version; 140 141 $akismet_ua = "WordPress/{$wp_version} | "; 142 $akismet_ua .= 'Akismet/' . constant( 'AKISMET_VERSION' ); 143 144 $akismet_ua = apply_filters( 'akismet_ua', $akismet_ua ); 145 146 $content_length = strlen( $request ); 147 148 $http_host = $host; 149 // use a specific IP if provided 150 // needed by akismet_check_server_connectivity() 151 if ( $ip && long2ip( ip2long( $ip ) ) ) { 152 $http_host = $ip; 153 } else { 154 $http_host = $host; 155 } 156 157 // use the WP HTTP class if it is available 158 if ( function_exists( 'wp_remote_post' ) ) { 159 $http_args = array( 160 'body' => $request, 161 'headers' => array( 162 'Content-Type' => 'application/x-www-form-urlencoded; ' . 163 'charset=' . get_option( 'blog_charset' ), 164 'Host' => $host, 165 'User-Agent' => $akismet_ua 166 ), 167 'httpversion' => '1.0', 168 'timeout' => 15 169 ); 170 $akismet_url = "http://{$http_host}{$path}"; 171 $response = wp_remote_post( $akismet_url, $http_args ); 172 if ( is_wp_error( $response ) ) 173 return ''; 174 175 return array( $response['headers'], $response['body'] ); 176 } else { 177 $http_request = "POST $path HTTP/1.0\r\n"; 178 $http_request .= "Host: $host\r\n"; 179 $http_request .= 'Content-Type: application/x-www-form-urlencoded; charset=' . get_option('blog_charset') . "\r\n"; 180 $http_request .= "Content-Length: {$content_length}\r\n"; 181 $http_request .= "User-Agent: {$akismet_ua}\r\n"; 182 $http_request .= "\r\n"; 183 $http_request .= $request; 184 185 $response = ''; 186 if( false != ( $fs = @fsockopen( $http_host, $port, $errno, $errstr, 10 ) ) ) { 187 fwrite( $fs, $http_request ); 188 189 while ( !feof( $fs ) ) 190 $response .= fgets( $fs, 1160 ); // One TCP-IP packet 191 fclose( $fs ); 192 $response = explode( "\r\n\r\n", $response, 2 ); 193 } 194 return $response; 195 } 196 } 197 198 // filter handler used to return a spam result to pre_comment_approved 199 function akismet_result_spam( $approved ) { 200 // bump the counter here instead of when the filter is added to reduce the possibility of overcounting 201 if ( $incr = apply_filters('akismet_spam_count_incr', 1) ) 202 update_option( 'akismet_spam_count', get_option('akismet_spam_count') + $incr ); 203 // this is a one-shot deal 204 remove_filter( 'pre_comment_approved', 'akismet_result_spam' ); 205 return 'spam'; 206 } 207 208 function akismet_result_hold( $approved ) { 209 // once only 210 remove_filter( 'pre_comment_approved', 'akismet_result_hold' ); 211 return '0'; 212 } 213 214 // how many approved comments does this author have? 215 function akismet_get_user_comments_approved( $user_id, $comment_author_email, $comment_author, $comment_author_url ) { 216 global $wpdb; 217 218 if ( !empty($user_id) ) 219 return $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(*) FROM $wpdb->comments WHERE user_id = %d AND comment_approved = 1", $user_id ) ); 220 221 if ( !empty($comment_author_email) ) 222 return $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 ) ); 223 224 return 0; 225 } 226 227 function akismet_microtime() { 228 $mtime = explode( ' ', microtime() ); 229 return $mtime[1] + $mtime[0]; 230 } 231 232 // log an event for a given comment, storing it in comment_meta 233 function akismet_update_comment_history( $comment_id, $message, $event=null ) { 234 global $current_user; 235 236 // failsafe for old WP versions 237 if ( !function_exists('add_comment_meta') ) 238 return false; 239 240 $user = ''; 241 if ( is_object($current_user) && isset($current_user->user_login) ) 242 $user = $current_user->user_login; 243 244 $event = array( 245 'time' => akismet_microtime(), 246 'message' => $message, 247 'event' => $event, 248 'user' => $user, 249 ); 250 251 // $unique = false so as to allow multiple values per comment 252 $r = add_comment_meta( $comment_id, 'akismet_history', $event, false ); 253 } 254 255 // get the full comment history for a given comment, as an array in reverse chronological order 256 function akismet_get_comment_history( $comment_id ) { 257 258 // failsafe for old WP versions 259 if ( !function_exists('add_comment_meta') ) 260 return false; 261 262 $history = get_comment_meta( $comment_id, 'akismet_history', false ); 263 usort( $history, 'akismet_cmp_time' ); 264 return $history; 265 } 266 267 function akismet_cmp_time( $a, $b ) { 268 return $a['time'] > $b['time'] ? -1 : 1; 269 } 270 271 // this fires on wp_insert_comment. we can't update comment_meta when akismet_auto_check_comment() runs 272 // because we don't know the comment ID at that point. 273 function akismet_auto_check_update_meta( $id, $comment ) { 274 global $akismet_last_comment; 275 276 // failsafe for old WP versions 277 if ( !function_exists('add_comment_meta') ) 278 return false; 279 280 // wp_insert_comment() might be called in other contexts, so make sure this is the same comment 281 // as was checked by akismet_auto_check_comment 282 if ( is_object($comment) && !empty($akismet_last_comment) && is_array($akismet_last_comment) ) { 283 if ( intval($akismet_last_comment['comment_post_ID']) == intval($comment->comment_post_ID) 284 && $akismet_last_comment['comment_author'] == $comment->comment_author 285 && $akismet_last_comment['comment_author_email'] == $comment->comment_author_email ) { 286 // normal result: true or false 287 if ( $akismet_last_comment['akismet_result'] == 'true' ) { 288 update_comment_meta( $comment->comment_ID, 'akismet_result', 'true' ); 289 akismet_update_comment_history( $comment->comment_ID, __('Akismet caught this comment as spam'), 'check-spam' ); 290 if ( $comment->comment_approved != 'spam' ) 291 akismet_update_comment_history( $comment->comment_ID, sprintf( __('Comment status was changed to %s'), $comment->comment_approved), 'status-changed'.$comment->comment_approved ); 292 } elseif ( $akismet_last_comment['akismet_result'] == 'false' ) { 293 update_comment_meta( $comment->comment_ID, 'akismet_result', 'false' ); 294 akismet_update_comment_history( $comment->comment_ID, __('Akismet cleared this comment'), 'check-ham' ); 295 if ( $comment->comment_approved == 'spam' ) { 296 if ( wp_blacklist_check($comment->comment_author, $comment->comment_author_email, $comment->comment_author_url, $comment->comment_content, $comment->comment_author_IP, $comment->comment_agent) ) 297 akismet_update_comment_history( $comment->comment_ID, __('Comment was caught by wp_blacklist_check'), 'wp-blacklisted' ); 298 else 299 akismet_update_comment_history( $comment->comment_ID, sprintf( __('Comment status was changed to %s'), $comment->comment_approved), 'status-changed-'.$comment->comment_approved ); 300 } 301 // abnormal result: error 302 } else { 303 update_comment_meta( $comment->comment_ID, 'akismet_error', time() ); 304 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' ); 305 } 306 307 // record the complete original data as submitted for checking 308 if ( isset($akismet_last_comment['comment_as_submitted']) ) 309 update_comment_meta( $comment->comment_ID, 'akismet_as_submitted', $akismet_last_comment['comment_as_submitted'] ); 310 } 311 } 312 } 313 314 add_action( 'wp_insert_comment', 'akismet_auto_check_update_meta', 10, 2 ); 315 316 317 function akismet_auto_check_comment( $commentdata ) { 318 global $akismet_api_host, $akismet_api_port, $akismet_last_comment; 319 320 $comment = $commentdata; 321 $comment['user_ip'] = $_SERVER['REMOTE_ADDR']; 322 $comment['user_agent'] = $_SERVER['HTTP_USER_AGENT']; 323 $comment['referrer'] = $_SERVER['HTTP_REFERER']; 324 $comment['blog'] = get_option('home'); 325 $comment['blog_lang'] = get_locale(); 326 $comment['blog_charset'] = get_option('blog_charset'); 327 $comment['permalink'] = get_permalink($comment['comment_post_ID']); 328 329 if ( !empty( $comment['user_ID'] ) ) { 330 $comment['user_role'] = akismet_get_user_roles($comment['user_ID']); 331 } 332 333 $akismet_nonce_option = apply_filters( 'akismet_comment_nonce', get_option( 'akismet_comment_nonce' ) ); 334 $comment['akismet_comment_nonce'] = 'inactive'; 335 if ( $akismet_nonce_option == 'true' || $akismet_nonce_option == '' ) { 336 $comment['akismet_comment_nonce'] = 'failed'; 337 if ( isset( $_POST['akismet_comment_nonce'] ) && wp_verify_nonce( $_POST['akismet_comment_nonce'], 'akismet_comment_nonce_' . $comment['comment_post_ID'] ) ) 338 $comment['akismet_comment_nonce'] = 'passed'; 339 340 // comment reply in wp-admin 341 if ( isset( $_POST['_ajax_nonce-replyto-comment'] ) && check_ajax_referer( 'replyto-comment', '_ajax_nonce-replyto-comment' ) ) 342 $comment['akismet_comment_nonce'] = 'passed'; 343 344 } 345 346 if ( akismet_test_mode() ) 347 $comment['is_test'] = 'true'; 348 349 foreach ($_POST as $key => $value ) { 350 if ( is_string($value) ) 351 $comment["POST_{$key}"] = $value; 352 } 353 354 $ignore = array( 'HTTP_COOKIE', 'HTTP_COOKIE2', 'PHP_AUTH_PW' ); 355 356 foreach ( $_SERVER as $key => $value ) { 357 if ( !in_array( $key, $ignore ) && is_string($value) ) 358 $comment["$key"] = $value; 359 else 360 $comment["$key"] = ''; 361 } 362 363 $post = get_post( $comment['comment_post_ID'] ); 364 $comment[ 'comment_post_modified_gmt' ] = $post->post_modified_gmt; 365 366 $query_string = ''; 367 foreach ( $comment as $key => $data ) 368 $query_string .= $key . '=' . urlencode( stripslashes($data) ) . '&'; 369 370 $commentdata['comment_as_submitted'] = $comment; 371 372 $response = akismet_http_post($query_string, $akismet_api_host, '/1.1/comment-check', $akismet_api_port); 373 akismet_update_alert( $response ); 374 $commentdata['akismet_result'] = $response[1]; 375 if ( 'true' == $response[1] ) { 376 // akismet_spam_count will be incremented later by akismet_result_spam() 377 add_filter('pre_comment_approved', 'akismet_result_spam'); 378 379 do_action( 'akismet_spam_caught' ); 380 381 $last_updated = strtotime( $post->post_modified_gmt ); 382 $diff = time() - $last_updated; 383 $diff = $diff / 86400; 384 385 if ( $post->post_type == 'post' && $diff > 30 && get_option( 'akismet_discard_month' ) == 'true' && empty($comment['user_ID']) ) { 386 // akismet_result_spam() won't be called so bump the counter here 387 if ( $incr = apply_filters('akismet_spam_count_incr', 1) ) 388 update_option( 'akismet_spam_count', get_option('akismet_spam_count') + $incr ); 389 wp_safe_redirect( $_SERVER['HTTP_REFERER'] ); 390 die(); 391 } 392 } 393 394 // if the response is neither true nor false, hold the comment for moderation and schedule a recheck 395 if ( 'true' != $response[1] && 'false' != $response[1] ) { 396 if ( !current_user_can('moderate_comments') ) { 397 add_filter('pre_comment_approved', 'akismet_result_hold'); 398 } 399 if ( !wp_next_scheduled( 'akismet_schedule_cron_recheck' ) ) { 400 wp_schedule_single_event( time() + 1200, 'akismet_schedule_cron_recheck' ); 401 } 402 } 403 404 if ( function_exists('wp_next_scheduled') && function_exists('wp_schedule_event') ) { 405 // WP 2.1+: delete old comments daily 406 if ( !wp_next_scheduled('akismet_scheduled_delete') ) 407 wp_schedule_event(time(), 'daily', 'akismet_scheduled_delete'); 408 } elseif ( (mt_rand(1, 10) == 3) ) { 409 // WP 2.0: run this one time in ten 410 akismet_delete_old(); 411 } 412 $akismet_last_comment = $commentdata; 413 414 akismet_fix_scheduled_recheck(); 415 return $commentdata; 416 } 417 418 add_action('preprocess_comment', 'akismet_auto_check_comment', 1); 419 420 function akismet_delete_old() { 421 global $wpdb; 422 $now_gmt = current_time('mysql', 1); 423 $comment_ids = $wpdb->get_col("SELECT comment_id FROM $wpdb->comments WHERE DATE_SUB('$now_gmt', INTERVAL 15 DAY) > comment_date_gmt AND comment_approved = 'spam'"); 424 if ( empty( $comment_ids ) ) 425 return; 426 427 $comma_comment_ids = implode( ', ', array_map('intval', $comment_ids) ); 428 429 do_action( 'delete_comment', $comment_ids ); 430 $wpdb->query("DELETE FROM $wpdb->comments WHERE comment_id IN ( $comma_comment_ids )"); 431 $wpdb->query("DELETE FROM $wpdb->commentmeta WHERE comment_id IN ( $comma_comment_ids )"); 432 clean_comment_cache( $comment_ids ); 433 $n = mt_rand(1, 5000); 434 if ( apply_filters('akismet_optimize_table', ($n == 11)) ) // lucky number 435 $wpdb->query("OPTIMIZE TABLE $wpdb->comments"); 436 437 } 438 439 function akismet_delete_old_metadata() { 440 global $wpdb; 441 442 $now_gmt = current_time( 'mysql', 1 ); 443 $interval = apply_filters( 'akismet_delete_commentmeta_interval', 15 ); 444 445 # enfore a minimum of 1 day 446 $interval = absint( $interval ); 447 if ( $interval < 1 ) { 448 return; 449 } 450 451 // akismet_as_submitted meta values are large, so expire them 452 // after $interval days regardless of the comment status 453 while ( TRUE ) { 454 $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" ); 455 456 if ( empty( $comment_ids ) ) { 457 return; 458 } 459 460 foreach ( $comment_ids as $comment_id ) { 461 delete_comment_meta( $comment_id, 'akismet_as_submitted' ); 462 } 463 } 464 465 /* 466 $n = mt_rand( 1, 5000 ); 467 if ( apply_filters( 'akismet_optimize_table', ( $n == 11 ), 'commentmeta' ) ) { // lucky number 468 $wpdb->query( "OPTIMIZE TABLE $wpdb->commentmeta" ); 469 } 470 */ 471 } 472 473 add_action('akismet_scheduled_delete', 'akismet_delete_old'); 474 add_action('akismet_scheduled_delete', 'akismet_delete_old_metadata'); 475 476 function akismet_check_db_comment( $id, $recheck_reason = 'recheck_queue' ) { 477 global $wpdb, $akismet_api_host, $akismet_api_port; 478 479 $id = (int) $id; 480 $c = $wpdb->get_row( "SELECT * FROM $wpdb->comments WHERE comment_ID = '$id'", ARRAY_A ); 481 if ( !$c ) 482 return; 483 484 $c['user_ip'] = $c['comment_author_IP']; 485 $c['user_agent'] = $c['comment_agent']; 486 $c['referrer'] = ''; 487 $c['blog'] = get_option('home'); 488 $c['blog_lang'] = get_locale(); 489 $c['blog_charset'] = get_option('blog_charset'); 490 $c['permalink'] = get_permalink($c['comment_post_ID']); 491 $id = $c['comment_ID']; 492 if ( akismet_test_mode() ) 493 $c['is_test'] = 'true'; 494 $c['recheck_reason'] = $recheck_reason; 495 496 $query_string = ''; 497 foreach ( $c as $key => $data ) 498 $query_string .= $key . '=' . urlencode( stripslashes($data) ) . '&'; 499 500 $response = akismet_http_post($query_string, $akismet_api_host, '/1.1/comment-check', $akismet_api_port); 501 return $response[1]; 502 } 503 504 function akismet_cron_recheck() { 505 global $wpdb; 506 507 $status = akismet_verify_key( akismet_get_key() ); 508 if ( get_option( 'akismet_alert_code' ) || $status == 'invalid' ) { 509 // since there is currently a problem with the key, reschedule a check for 6 hours hence 510 wp_schedule_single_event( time() + 21600, 'akismet_schedule_cron_recheck' ); 511 return false; 512 } 513 514 delete_option('akismet_available_servers'); 515 516 $comment_errors = $wpdb->get_col( " 517 SELECT comment_id 518 FROM {$wpdb->prefix}commentmeta 519 WHERE meta_key = 'akismet_error' 520 LIMIT 100 521 " ); 522 523 foreach ( (array) $comment_errors as $comment_id ) { 524 // if the comment no longer exists, or is too old, remove the meta entry from the queue to avoid getting stuck 525 $comment = get_comment( $comment_id ); 526 if ( !$comment || strtotime( $comment->comment_date_gmt ) < strtotime( "-15 days" ) ) { 527 delete_comment_meta( $comment_id, 'akismet_error' ); 528 continue; 529 } 530 531 add_comment_meta( $comment_id, 'akismet_rechecking', true ); 532 $status = akismet_check_db_comment( $comment_id, 'retry' ); 533 534 $msg = ''; 535 if ( $status == 'true' ) { 536 $msg = __( 'Akismet caught this comment as spam during an automatic retry.' ); 537 } elseif ( $status == 'false' ) { 538 $msg = __( 'Akismet cleared this comment during an automatic retry.' ); 539 } 540 541 // If we got back a legit response then update the comment history 542 // other wise just bail now and try again later. No point in 543 // re-trying all the comments once we hit one failure. 544 if ( !empty( $msg ) ) { 545 delete_comment_meta( $comment_id, 'akismet_error' ); 546 akismet_update_comment_history( $comment_id, $msg, 'cron-retry' ); 547 update_comment_meta( $comment_id, 'akismet_result', $status ); 548 // make sure the comment status is still pending. if it isn't, that means the user has already moved it elsewhere. 549 $comment = get_comment( $comment_id ); 550 if ( $comment && 'unapproved' == wp_get_comment_status( $comment_id ) ) { 551 if ( $status == 'true' ) { 552 wp_spam_comment( $comment_id ); 553 } elseif ( $status == 'false' ) { 554 // comment is good, but it's still in the pending queue. depending on the moderation settings 555 // we may need to change it to approved. 556 if ( check_comment($comment->comment_author, $comment->comment_author_email, $comment->comment_author_url, $comment->comment_content, $comment->comment_author_IP, $comment->comment_agent, $comment->comment_type) ) 557 wp_set_comment_status( $comment_id, 1 ); 558 } 559 } 560 } else { 561 delete_comment_meta( $comment_id, 'akismet_rechecking' ); 562 wp_schedule_single_event( time() + 1200, 'akismet_schedule_cron_recheck' ); 563 return; 564 } 565 delete_comment_meta( $comment_id, 'akismet_rechecking' ); 566 } 567 568 $remaining = $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(*) FROM $wpdb->commentmeta WHERE meta_key = 'akismet_error'" ) ); 569 if ( $remaining && !wp_next_scheduled('akismet_schedule_cron_recheck') ) { 570 wp_schedule_single_event( time() + 1200, 'akismet_schedule_cron_recheck' ); 571 } 572 } 573 add_action( 'akismet_schedule_cron_recheck', 'akismet_cron_recheck' ); 574 575 function akismet_add_comment_nonce( $post_id ) { 576 echo '<p style="display: none;">'; 577 wp_nonce_field( 'akismet_comment_nonce_' . $post_id, 'akismet_comment_nonce', FALSE ); 578 echo '</p>'; 579 } 580 581 $akismet_comment_nonce_option = apply_filters( 'akismet_comment_nonce', get_option( 'akismet_comment_nonce' ) ); 582 583 if ( $akismet_comment_nonce_option == 'true' || $akismet_comment_nonce_option == '' ) 584 add_action( 'comment_form', 'akismet_add_comment_nonce' ); 585 586 global $wp_version; 587 if ( '3.0.5' == $wp_version ) { 588 remove_filter( 'comment_text', 'wp_kses_data' ); 589 if ( is_admin() ) 590 add_filter( 'comment_text', 'wp_kses_post' ); 591 } 592 593 function akismet_fix_scheduled_recheck() { 594 $future_check = wp_next_scheduled( 'akismet_schedule_cron_recheck' ); 595 if ( !$future_check ) { 596 return; 597 } 598 599 if ( get_option( 'akismet_alert_code' ) > 0 ) { 600 return; 601 } 602 603 $check_range = time() + 1200; 604 if ( $future_check > $check_range ) { 605 wp_clear_scheduled_hook( 'akismet_schedule_cron_recheck' ); 606 wp_schedule_single_event( time() + 300, 'akismet_schedule_cron_recheck' ); 607 } 608 }
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