1029 | | * Serialize data, if needed. |
1030 | | * |
1031 | | * @since 2.0.5 |
1032 | | * |
1033 | | * @param mixed $data Data that might be serialized. |
1034 | | * @return mixed A scalar data |
1035 | | */ |
1036 | | function maybe_serialize( $data ) { |
1037 | | if ( is_array( $data ) || is_object( $data ) ) |
1038 | | return serialize( $data ); |
1039 | | |
1040 | | // Double serialization is required for backward compatibility. |
1041 | | // See http://core.trac.wordpress.org/ticket/12930 |
1042 | | if ( is_serialized( $data ) ) |
1043 | | return serialize( $data ); |
1044 | | |
1045 | | return $data; |
1046 | | } |
1047 | | |
1048 | | /** |
1049 | | * Retrieve post title from XMLRPC XML. |
1050 | | * |
1051 | | * If the title element is not part of the XML, then the default post title from |
1052 | | * the $post_default_title will be used instead. |
1053 | | * |
1054 | | * @package WordPress |
1055 | | * @subpackage XMLRPC |
1056 | | * @since 0.71 |
1057 | | * |
1058 | | * @global string $post_default_title Default XMLRPC post title. |
1059 | | * |
1060 | | * @param string $content XMLRPC XML Request content |
1061 | | * @return string Post title |
1062 | | */ |
1063 | | function xmlrpc_getposttitle( $content ) { |
1064 | | global $post_default_title; |
1065 | | if ( preg_match( '/<title>(.+?)<\/title>/is', $content, $matchtitle ) ) { |
1066 | | $post_title = $matchtitle[1]; |
1067 | | } else { |
1068 | | $post_title = $post_default_title; |
1069 | | } |
1070 | | return $post_title; |
1071 | | } |
1072 | | |
1073 | | /** |
1074 | | * Retrieve the post category or categories from XMLRPC XML. |
1075 | | * |
1076 | | * If the category element is not found, then the default post category will be |
1077 | | * used. The return type then would be what $post_default_category. If the |
1078 | | * category is found, then it will always be an array. |
1079 | | * |
1080 | | * @package WordPress |
1081 | | * @subpackage XMLRPC |
1082 | | * @since 0.71 |
1083 | | * |
1084 | | * @global string $post_default_category Default XMLRPC post category. |
1085 | | * |
1086 | | * @param string $content XMLRPC XML Request content |
1087 | | * @return string|array List of categories or category name. |
1088 | | */ |
1089 | | function xmlrpc_getpostcategory( $content ) { |
1090 | | global $post_default_category; |
1091 | | if ( preg_match( '/<category>(.+?)<\/category>/is', $content, $matchcat ) ) { |
1092 | | $post_category = trim( $matchcat[1], ',' ); |
1093 | | $post_category = explode( ',', $post_category ); |
1094 | | } else { |
1095 | | $post_category = $post_default_category; |
1096 | | } |
1097 | | return $post_category; |
1098 | | } |
1099 | | |
1100 | | /** |
1101 | | * XMLRPC XML content without title and category elements. |
1102 | | * |
1103 | | * @package WordPress |
1104 | | * @subpackage XMLRPC |
1105 | | * @since 0.71 |
1106 | | * |
1107 | | * @param string $content XMLRPC XML Request content |
1108 | | * @return string XMLRPC XML Request content without title and category elements. |
1109 | | */ |
1110 | | function xmlrpc_removepostdata( $content ) { |
1111 | | $content = preg_replace( '/<title>(.+?)<\/title>/si', '', $content ); |
1112 | | $content = preg_replace( '/<category>(.+?)<\/category>/si', '', $content ); |
1113 | | $content = trim( $content ); |
1114 | | return $content; |
1115 | | } |
1116 | | |
1117 | | /** |
1118 | | * Open the file handle for debugging. |
1119 | | * |
1120 | | * This function is used for XMLRPC feature, but it is general purpose enough |
1121 | | * to be used in anywhere. |
1122 | | * |
1123 | | * @see fopen() for mode options. |
1124 | | * @package WordPress |
1125 | | * @subpackage Debug |
1126 | | * @since 0.71 |
1127 | | * @uses $debug Used for whether debugging is enabled. |
1128 | | * |
1129 | | * @param string $filename File path to debug file. |
1130 | | * @param string $mode Same as fopen() mode parameter. |
1131 | | * @return bool|resource File handle. False on failure. |
1132 | | */ |
1133 | | function debug_fopen( $filename, $mode ) { |
1134 | | global $debug; |
1135 | | if ( 1 == $debug ) { |
1136 | | $fp = fopen( $filename, $mode ); |
1137 | | return $fp; |
1138 | | } else { |
1139 | | return false; |
1140 | | } |
1141 | | } |
1142 | | |
1143 | | /** |
1144 | | * Write contents to the file used for debugging. |
1145 | | * |
1146 | | * Technically, this can be used to write to any file handle when the global |
1147 | | * $debug is set to 1 or true. |
1148 | | * |
1149 | | * @package WordPress |
1150 | | * @subpackage Debug |
1151 | | * @since 0.71 |
1152 | | * @uses $debug Used for whether debugging is enabled. |
1153 | | * |
1154 | | * @param resource $fp File handle for debugging file. |
1155 | | * @param string $string Content to write to debug file. |
1156 | | */ |
1157 | | function debug_fwrite( $fp, $string ) { |
1158 | | global $debug; |
1159 | | if ( 1 == $debug ) |
1160 | | fwrite( $fp, $string ); |
1161 | | } |
1162 | | |
1163 | | /** |
1164 | | * Close the debugging file handle. |
1165 | | * |
1166 | | * Technically, this can be used to close any file handle when the global $debug |
1167 | | * is set to 1 or true. |
1168 | | * |
1169 | | * @package WordPress |
1170 | | * @subpackage Debug |
1171 | | * @since 0.71 |
1172 | | * @uses $debug Used for whether debugging is enabled. |
1173 | | * |
1174 | | * @param resource $fp Debug File handle. |
1175 | | */ |
1176 | | function debug_fclose( $fp ) { |
1177 | | global $debug; |
1178 | | if ( 1 == $debug ) |
1179 | | fclose( $fp ); |
1180 | | } |
1181 | | |
1182 | | /** |
1183 | | * Check content for video and audio links to add as enclosures. |
1184 | | * |
1185 | | * Will not add enclosures that have already been added and will |
1186 | | * remove enclosures that are no longer in the post. This is called as |
1187 | | * pingbacks and trackbacks. |
1188 | | * |
1189 | | * @package WordPress |
1190 | | * @since 1.5.0 |
1191 | | * |
1192 | | * @uses $wpdb |
1193 | | * |
1194 | | * @param string $content Post Content |
1195 | | * @param int $post_ID Post ID |
1196 | | */ |
1197 | | function do_enclose( $content, $post_ID ) { |
1198 | | global $wpdb; |
1199 | | |
1200 | | //TODO: Tidy this ghetto code up and make the debug code optional |
1201 | | include_once( ABSPATH . WPINC . '/class-IXR.php' ); |
1202 | | |
1203 | | $log = debug_fopen( ABSPATH . 'enclosures.log', 'a' ); |
1204 | | $post_links = array(); |
1205 | | debug_fwrite( $log, 'BEGIN ' . date( 'YmdHis', time() ) . "\n" ); |
1206 | | |
1207 | | $pung = get_enclosed( $post_ID ); |
1208 | | |
1209 | | $ltrs = '\w'; |
1210 | | $gunk = '/#~:.?+=&%@!\-'; |
1211 | | $punc = '.:?\-'; |
1212 | | $any = $ltrs . $gunk . $punc; |
1213 | | |
1214 | | preg_match_all( "{\b http : [$any] +? (?= [$punc] * [^$any] | $)}x", $content, $post_links_temp ); |
1215 | | |
1216 | | debug_fwrite( $log, 'Post contents:' ); |
1217 | | debug_fwrite( $log, $content . "\n" ); |
1218 | | |
1219 | | foreach ( $pung as $link_test ) { |
1220 | | if ( !in_array( $link_test, $post_links_temp[0] ) ) { // link no longer in post |
1221 | | $mid = $wpdb->get_col( $wpdb->prepare("SELECT meta_id FROM $wpdb->postmeta WHERE post_id = %d AND meta_key = 'enclosure' AND meta_value LIKE (%s)", $post_ID, like_escape( $link_test ) . '%') ); |
1222 | | do_action( 'delete_postmeta', $mid ); |
1223 | | $wpdb->query( $wpdb->prepare("DELETE FROM $wpdb->postmeta WHERE meta_id IN(%s)", implode( ',', $mid ) ) ); |
1224 | | do_action( 'deleted_postmeta', $mid ); |
1225 | | } |
1226 | | } |
1227 | | |
1228 | | foreach ( (array) $post_links_temp[0] as $link_test ) { |
1229 | | if ( !in_array( $link_test, $pung ) ) { // If we haven't pung it already |
1230 | | $test = @parse_url( $link_test ); |
1231 | | if ( false === $test ) |
1232 | | continue; |
1233 | | if ( isset( $test['query'] ) ) |
1234 | | $post_links[] = $link_test; |
1235 | | elseif ( isset($test['path']) && ( $test['path'] != '/' ) && ($test['path'] != '' ) ) |
1236 | | $post_links[] = $link_test; |
1237 | | } |
1238 | | } |
1239 | | |
1240 | | foreach ( (array) $post_links as $url ) { |
1241 | | if ( $url != '' && !$wpdb->get_var( $wpdb->prepare( "SELECT post_id FROM $wpdb->postmeta WHERE post_id = %d AND meta_key = 'enclosure' AND meta_value LIKE (%s)", $post_ID, like_escape( $url ) . '%' ) ) ) { |
1242 | | |
1243 | | if ( $headers = wp_get_http_headers( $url) ) { |
1244 | | $len = (int) $headers['content-length']; |
1245 | | $type = $headers['content-type']; |
1246 | | $allowed_types = array( 'video', 'audio' ); |
1247 | | |
1248 | | // Check to see if we can figure out the mime type from |
1249 | | // the extension |
1250 | | $url_parts = @parse_url( $url ); |
1251 | | if ( false !== $url_parts ) { |
1252 | | $extension = pathinfo( $url_parts['path'], PATHINFO_EXTENSION ); |
1253 | | if ( !empty( $extension ) ) { |
1254 | | foreach ( get_allowed_mime_types( ) as $exts => $mime ) { |
1255 | | if ( preg_match( '!^(' . $exts . ')$!i', $extension ) ) { |
1256 | | $type = $mime; |
1257 | | break; |
1258 | | } |
1259 | | } |
1260 | | } |
1261 | | } |
1262 | | |
1263 | | if ( in_array( substr( $type, 0, strpos( $type, "/" ) ), $allowed_types ) ) { |
1264 | | $meta_value = "$url\n$len\n$type\n"; |
1265 | | $wpdb->insert($wpdb->postmeta, array('post_id' => $post_ID, 'meta_key' => 'enclosure', 'meta_value' => $meta_value) ); |
1266 | | do_action( 'added_postmeta', $wpdb->insert_id, $post_ID, 'enclosure', $meta_value ); |
1267 | | } |
1268 | | } |
1269 | | } |
1270 | | } |
1271 | | } |
1272 | | |
1273 | | /** |
1274 | | * Perform a HTTP HEAD or GET request. |
1275 | | * |
1276 | | * If $file_path is a writable filename, this will do a GET request and write |
1277 | | * the file to that path. |
1278 | | * |
1279 | | * @since 2.5.0 |
1280 | | * |
1281 | | * @param string $url URL to fetch. |
1282 | | * @param string|bool $file_path Optional. File path to write request to. |
1283 | | * @param int $red (private) The number of Redirects followed, Upon 5 being hit, returns false. |
1284 | | * @return bool|string False on failure and string of headers if HEAD request. |
1285 | | */ |
1286 | | function wp_get_http( $url, $file_path = false, $red = 1 ) { |
1287 | | @set_time_limit( 60 ); |
1288 | | |
1289 | | if ( $red > 5 ) |
1290 | | return false; |
1291 | | |
1292 | | $options = array(); |
1293 | | $options['redirection'] = 5; |
1294 | | |
1295 | | if ( false == $file_path ) |
1296 | | $options['method'] = 'HEAD'; |
1297 | | else |
1298 | | $options['method'] = 'GET'; |
1299 | | |
1300 | | $response = wp_remote_request($url, $options); |
1301 | | |
1302 | | if ( is_wp_error( $response ) ) |
1303 | | return false; |
1304 | | |
1305 | | $headers = wp_remote_retrieve_headers( $response ); |
1306 | | $headers['response'] = wp_remote_retrieve_response_code( $response ); |
1307 | | |
1308 | | // WP_HTTP no longer follows redirects for HEAD requests. |
1309 | | if ( 'HEAD' == $options['method'] && in_array($headers['response'], array(301, 302)) && isset( $headers['location'] ) ) { |
1310 | | return wp_get_http( $headers['location'], $file_path, ++$red ); |
1311 | | } |
1312 | | |
1313 | | if ( false == $file_path ) |
1314 | | return $headers; |
1315 | | |
1316 | | // GET request - write it to the supplied filename |
1317 | | $out_fp = fopen($file_path, 'w'); |
1318 | | if ( !$out_fp ) |
1319 | | return $headers; |
1320 | | |
1321 | | fwrite( $out_fp, wp_remote_retrieve_body( $response ) ); |
1322 | | fclose($out_fp); |
1323 | | clearstatcache(); |
1324 | | |
1325 | | return $headers; |
1326 | | } |
1327 | | |
1328 | | /** |
1329 | | * Retrieve HTTP Headers from URL. |
1330 | | * |
1331 | | * @since 1.5.1 |
1332 | | * |
1333 | | * @param string $url |
1334 | | * @param bool $deprecated Not Used. |
1335 | | * @return bool|string False on failure, headers on success. |
1336 | | */ |
1337 | | function wp_get_http_headers( $url, $deprecated = false ) { |
1338 | | if ( !empty( $deprecated ) ) |
1339 | | _deprecated_argument( __FUNCTION__, '2.7' ); |
1340 | | |
1341 | | $response = wp_remote_head( $url ); |
1342 | | |
1343 | | if ( is_wp_error( $response ) ) |
1344 | | return false; |
1345 | | |
1346 | | return wp_remote_retrieve_headers( $response ); |
1347 | | } |
1348 | | |
1349 | | /** |
1350 | | * Whether today is a new day. |
1351 | | * |
1352 | | * @since 0.71 |
1353 | | * @uses $day Today |
1354 | | * @uses $previousday Previous day |
1355 | | * |
1356 | | * @return int 1 when new day, 0 if not a new day. |
1357 | | */ |
1358 | | function is_new_day() { |
1359 | | global $currentday, $previousday; |
1360 | | if ( $currentday != $previousday ) |
1361 | | return 1; |
1362 | | else |
1363 | | return 0; |
1364 | | } |
1365 | | |
1366 | | /** |
1367 | | * Build URL query based on an associative and, or indexed array. |
1368 | | * |
1369 | | * This is a convenient function for easily building url queries. It sets the |
1370 | | * separator to '&' and uses _http_build_query() function. |
1371 | | * |
1372 | | * @see _http_build_query() Used to build the query |
1373 | | * @link http://us2.php.net/manual/en/function.http-build-query.php more on what |
1374 | | * http_build_query() does. |
1375 | | * |
1376 | | * @since 2.3.0 |
1377 | | * |
1378 | | * @param array $data URL-encode key/value pairs. |
1379 | | * @return string URL encoded string |
1380 | | */ |
1381 | | function build_query( $data ) { |
1382 | | return _http_build_query( $data, null, '&', '', false ); |
1383 | | } |
1384 | | |
1385 | | // from php.net (modified by Mark Jaquith to behave like the native PHP5 function) |
1386 | | function _http_build_query($data, $prefix=null, $sep=null, $key='', $urlencode=true) { |
1387 | | $ret = array(); |
1388 | | |
1389 | | foreach ( (array) $data as $k => $v ) { |
1390 | | if ( $urlencode) |
1391 | | $k = urlencode($k); |
1392 | | if ( is_int($k) && $prefix != null ) |
1393 | | $k = $prefix.$k; |
1394 | | if ( !empty($key) ) |
1395 | | $k = $key . '%5B' . $k . '%5D'; |
1396 | | if ( $v === NULL ) |
1397 | | continue; |
1398 | | elseif ( $v === FALSE ) |
1399 | | $v = '0'; |
1400 | | |
1401 | | if ( is_array($v) || is_object($v) ) |
1402 | | array_push($ret,_http_build_query($v, '', $sep, $k, $urlencode)); |
1403 | | elseif ( $urlencode ) |
1404 | | array_push($ret, $k.'='.urlencode($v)); |
1405 | | else |
1406 | | array_push($ret, $k.'='.$v); |
1407 | | } |
1408 | | |
1409 | | if ( NULL === $sep ) |
1410 | | $sep = ini_get('arg_separator.output'); |
1411 | | |
1412 | | return implode($sep, $ret); |
1413 | | } |
1414 | | |
1415 | | /** |
1416 | | * Retrieve a modified URL query string. |
1417 | | * |
1418 | | * You can rebuild the URL and append a new query variable to the URL query by |
1419 | | * using this function. You can also retrieve the full URL with query data. |
1420 | | * |
1421 | | * Adding a single key & value or an associative array. Setting a key value to |
1422 | | * an empty string removes the key. Omitting oldquery_or_uri uses the $_SERVER |
1423 | | * value. Additional values provided are expected to be encoded appropriately |
1424 | | * with urlencode() or rawurlencode(). |
1425 | | * |
1426 | | * @since 1.5.0 |
1427 | | * |
1428 | | * @param mixed $param1 Either newkey or an associative_array |
1429 | | * @param mixed $param2 Either newvalue or oldquery or uri |
1430 | | * @param mixed $param3 Optional. Old query or uri |
1431 | | * @return string New URL query string. |
1432 | | */ |
1433 | | function add_query_arg() { |
1434 | | $ret = ''; |
1435 | | if ( is_array( func_get_arg(0) ) ) { |
1436 | | if ( @func_num_args() < 2 || false === @func_get_arg( 1 ) ) |
1437 | | $uri = $_SERVER['REQUEST_URI']; |
1438 | | else |
1439 | | $uri = @func_get_arg( 1 ); |
1440 | | } else { |
1441 | | if ( @func_num_args() < 3 || false === @func_get_arg( 2 ) ) |
1442 | | $uri = $_SERVER['REQUEST_URI']; |
1443 | | else |
1444 | | $uri = @func_get_arg( 2 ); |
1445 | | } |
1446 | | |
1447 | | if ( $frag = strstr( $uri, '#' ) ) |
1448 | | $uri = substr( $uri, 0, -strlen( $frag ) ); |
1449 | | else |
1450 | | $frag = ''; |
1451 | | |
1452 | | if ( preg_match( '|^https?://|i', $uri, $matches ) ) { |
1453 | | $protocol = $matches[0]; |
1454 | | $uri = substr( $uri, strlen( $protocol ) ); |
1455 | | } else { |
1456 | | $protocol = ''; |
1457 | | } |
1458 | | |
1459 | | if ( strpos( $uri, '?' ) !== false ) { |
1460 | | $parts = explode( '?', $uri, 2 ); |
1461 | | if ( 1 == count( $parts ) ) { |
1462 | | $base = '?'; |
1463 | | $query = $parts[0]; |
1464 | | } else { |
1465 | | $base = $parts[0] . '?'; |
1466 | | $query = $parts[1]; |
1467 | | } |
1468 | | } elseif ( !empty( $protocol ) || strpos( $uri, '=' ) === false ) { |
1469 | | $base = $uri . '?'; |
1470 | | $query = ''; |
1471 | | } else { |
1472 | | $base = ''; |
1473 | | $query = $uri; |
1474 | | } |
1475 | | |
1476 | | wp_parse_str( $query, $qs ); |
1477 | | $qs = urlencode_deep( $qs ); // this re-URL-encodes things that were already in the query string |
1478 | | if ( is_array( func_get_arg( 0 ) ) ) { |
1479 | | $kayvees = func_get_arg( 0 ); |
1480 | | $qs = array_merge( $qs, $kayvees ); |
1481 | | } else { |
1482 | | $qs[func_get_arg( 0 )] = func_get_arg( 1 ); |
1483 | | } |
1484 | | |
1485 | | foreach ( (array) $qs as $k => $v ) { |
1486 | | if ( $v === false ) |
1487 | | unset( $qs[$k] ); |
1488 | | } |
1489 | | |
1490 | | $ret = build_query( $qs ); |
1491 | | $ret = trim( $ret, '?' ); |
1492 | | $ret = preg_replace( '#=(&|$)#', '$1', $ret ); |
1493 | | $ret = $protocol . $base . $ret . $frag; |
1494 | | $ret = rtrim( $ret, '?' ); |
1495 | | return $ret; |
1496 | | } |
1497 | | |
1498 | | /** |
1499 | | * Removes an item or list from the query string. |
1500 | | * |
1501 | | * @since 1.5.0 |
1502 | | * |
1503 | | * @param string|array $key Query key or keys to remove. |
1504 | | * @param bool $query When false uses the $_SERVER value. |
1505 | | * @return string New URL query string. |
1506 | | */ |
1507 | | function remove_query_arg( $key, $query=false ) { |
1508 | | if ( is_array( $key ) ) { // removing multiple keys |
1509 | | foreach ( $key as $k ) |
1510 | | $query = add_query_arg( $k, false, $query ); |
1511 | | return $query; |
1512 | | } |
1513 | | return add_query_arg( $key, false, $query ); |
1514 | | } |
1515 | | |
1516 | | /** |
1517 | | * Walks the array while sanitizing the contents. |
1518 | | * |
1519 | | * @since 0.71 |
1520 | | * |
1521 | | * @param array $array Array to used to walk while sanitizing contents. |
1522 | | * @return array Sanitized $array. |
1523 | | */ |
1524 | | function add_magic_quotes( $array ) { |
1525 | | foreach ( (array) $array as $k => $v ) { |
1526 | | if ( is_array( $v ) ) { |
1527 | | $array[$k] = add_magic_quotes( $v ); |
1528 | | } else { |
1529 | | $array[$k] = addslashes( $v ); |
1530 | | } |
1531 | | } |
1532 | | return $array; |
1533 | | } |
1534 | | |
1535 | | /** |
1536 | | * HTTP request for URI to retrieve content. |
1537 | | * |
1538 | | * @since 1.5.1 |
1539 | | * @uses wp_remote_get() |
1540 | | * |
1541 | | * @param string $uri URI/URL of web page to retrieve. |
1542 | | * @return bool|string HTTP content. False on failure. |
1543 | | */ |
1544 | | function wp_remote_fopen( $uri ) { |
1545 | | $parsed_url = @parse_url( $uri ); |
1546 | | |
1547 | | if ( !$parsed_url || !is_array( $parsed_url ) ) |
1548 | | return false; |
1549 | | |
1550 | | $options = array(); |
1551 | | $options['timeout'] = 10; |
1552 | | |
1553 | | $response = wp_remote_get( $uri, $options ); |
1554 | | |
1555 | | if ( is_wp_error( $response ) ) |
1556 | | return false; |
1557 | | |
1558 | | return wp_remote_retrieve_body( $response ); |
1559 | | } |
1560 | | |
1561 | | /** |
1562 | | * Set up the WordPress query. |
1563 | | * |
1564 | | * @since 2.0.0 |
1565 | | * |
1566 | | * @param string $query_vars Default WP_Query arguments. |
1567 | | */ |
1568 | | function wp( $query_vars = '' ) { |
1569 | | global $wp, $wp_query, $wp_the_query; |
1570 | | $wp->main( $query_vars ); |
1571 | | |
1572 | | if ( !isset($wp_the_query) ) |
1573 | | $wp_the_query = $wp_query; |
1574 | | } |
1575 | | |
1576 | | /** |
1577 | | * Retrieve the description for the HTTP status. |
1578 | | * |
1579 | | * @since 2.3.0 |
1580 | | * |
1581 | | * @param int $code HTTP status code. |
1582 | | * @return string Empty string if not found, or description if found. |
1583 | | */ |
1584 | | function get_status_header_desc( $code ) { |
1585 | | global $wp_header_to_desc; |
1586 | | |
1587 | | $code = absint( $code ); |
1588 | | |
1589 | | if ( !isset( $wp_header_to_desc ) ) { |
1590 | | $wp_header_to_desc = array( |
1591 | | 100 => 'Continue', |
1592 | | 101 => 'Switching Protocols', |
1593 | | 102 => 'Processing', |
1594 | | |
1595 | | 200 => 'OK', |
1596 | | 201 => 'Created', |
1597 | | 202 => 'Accepted', |
1598 | | 203 => 'Non-Authoritative Information', |
1599 | | 204 => 'No Content', |
1600 | | 205 => 'Reset Content', |
1601 | | 206 => 'Partial Content', |
1602 | | 207 => 'Multi-Status', |
1603 | | 226 => 'IM Used', |
1604 | | |
1605 | | 300 => 'Multiple Choices', |
1606 | | 301 => 'Moved Permanently', |
1607 | | 302 => 'Found', |
1608 | | 303 => 'See Other', |
1609 | | 304 => 'Not Modified', |
1610 | | 305 => 'Use Proxy', |
1611 | | 306 => 'Reserved', |
1612 | | 307 => 'Temporary Redirect', |
1613 | | |
1614 | | 400 => 'Bad Request', |
1615 | | 401 => 'Unauthorized', |
1616 | | 402 => 'Payment Required', |
1617 | | 403 => 'Forbidden', |
1618 | | 404 => 'Not Found', |
1619 | | 405 => 'Method Not Allowed', |
1620 | | 406 => 'Not Acceptable', |
1621 | | 407 => 'Proxy Authentication Required', |
1622 | | 408 => 'Request Timeout', |
1623 | | 409 => 'Conflict', |
1624 | | 410 => 'Gone', |
1625 | | 411 => 'Length Required', |
1626 | | 412 => 'Precondition Failed', |
1627 | | 413 => 'Request Entity Too Large', |
1628 | | 414 => 'Request-URI Too Long', |
1629 | | 415 => 'Unsupported Media Type', |
1630 | | 416 => 'Requested Range Not Satisfiable', |
1631 | | 417 => 'Expectation Failed', |
1632 | | 422 => 'Unprocessable Entity', |
1633 | | 423 => 'Locked', |
1634 | | 424 => 'Failed Dependency', |
1635 | | 426 => 'Upgrade Required', |
1636 | | |
1637 | | 500 => 'Internal Server Error', |
1638 | | 501 => 'Not Implemented', |
1639 | | 502 => 'Bad Gateway', |
1640 | | 503 => 'Service Unavailable', |
1641 | | 504 => 'Gateway Timeout', |
1642 | | 505 => 'HTTP Version Not Supported', |
1643 | | 506 => 'Variant Also Negotiates', |
1644 | | 507 => 'Insufficient Storage', |
1645 | | 510 => 'Not Extended' |
1646 | | ); |
1647 | | } |
1648 | | |
1649 | | if ( isset( $wp_header_to_desc[$code] ) ) |
1650 | | return $wp_header_to_desc[$code]; |
1651 | | else |
1652 | | return ''; |
1653 | | } |
1654 | | |
1655 | | /** |
1656 | | * Set HTTP status header. |
1657 | | * |
1658 | | * @since 2.0.0 |
1659 | | * @uses apply_filters() Calls 'status_header' on status header string, HTTP |
1660 | | * HTTP code, HTTP code description, and protocol string as separate |
1661 | | * parameters. |
1662 | | * |
1663 | | * @param int $header HTTP status code |
1664 | | * @return unknown |
1665 | | */ |
1666 | | function status_header( $header ) { |
1667 | | $text = get_status_header_desc( $header ); |
1668 | | |
1669 | | if ( empty( $text ) ) |
1670 | | return false; |
1671 | | |
1672 | | $protocol = $_SERVER["SERVER_PROTOCOL"]; |
1673 | | if ( 'HTTP/1.1' != $protocol && 'HTTP/1.0' != $protocol ) |
1674 | | $protocol = 'HTTP/1.0'; |
1675 | | $status_header = "$protocol $header $text"; |
1676 | | if ( function_exists( 'apply_filters' ) ) |
1677 | | $status_header = apply_filters( 'status_header', $status_header, $header, $text, $protocol ); |
1678 | | |
1679 | | return @header( $status_header, true, $header ); |
1680 | | } |
1681 | | |
1682 | | /** |
1683 | | * Gets the header information to prevent caching. |
1684 | | * |
1685 | | * The several different headers cover the different ways cache prevention is handled |
1686 | | * by different browsers |
1687 | | * |
1688 | | * @since 2.8.0 |
1689 | | * |
1690 | | * @uses apply_filters() |
1691 | | * @return array The associative array of header names and field values. |
1692 | | */ |
1693 | | function wp_get_nocache_headers() { |
1694 | | $headers = array( |
1695 | | 'Expires' => 'Wed, 11 Jan 1984 05:00:00 GMT', |
1696 | | 'Last-Modified' => gmdate( 'D, d M Y H:i:s' ) . ' GMT', |
1697 | | 'Cache-Control' => 'no-cache, must-revalidate, max-age=0', |
1698 | | 'Pragma' => 'no-cache', |
1699 | | ); |
1700 | | |
1701 | | if ( function_exists('apply_filters') ) { |
1702 | | $headers = (array) apply_filters('nocache_headers', $headers); |
1703 | | } |
1704 | | return $headers; |
1705 | | } |
1706 | | |
1707 | | /** |
1708 | | * Sets the headers to prevent caching for the different browsers. |
1709 | | * |
1710 | | * Different browsers support different nocache headers, so several headers must |
1711 | | * be sent so that all of them get the point that no caching should occur. |
1712 | | * |
1713 | | * @since 2.0.0 |
1714 | | * @uses wp_get_nocache_headers() |
1715 | | */ |
1716 | | function nocache_headers() { |
1717 | | $headers = wp_get_nocache_headers(); |
1718 | | foreach( $headers as $name => $field_value ) |
1719 | | @header("{$name}: {$field_value}"); |
1720 | | } |
1721 | | |
1722 | | /** |
1723 | | * Set the headers for caching for 10 days with JavaScript content type. |
1724 | | * |
1725 | | * @since 2.1.0 |
1726 | | */ |
1727 | | function cache_javascript_headers() { |
1728 | | $expiresOffset = 864000; // 10 days |
1729 | | header( "Content-Type: text/javascript; charset=" . get_bloginfo( 'charset' ) ); |
1730 | | header( "Vary: Accept-Encoding" ); // Handle proxies |
1731 | | header( "Expires: " . gmdate( "D, d M Y H:i:s", time() + $expiresOffset ) . " GMT" ); |
1732 | | } |
1733 | | |
1734 | | /** |
1735 | | * Retrieve the number of database queries during the WordPress execution. |
1736 | | * |
1737 | | * @since 2.0.0 |
1738 | | * |
1739 | | * @return int Number of database queries |
1740 | | */ |
1741 | | function get_num_queries() { |
1742 | | global $wpdb; |
1743 | | return $wpdb->num_queries; |
1744 | | } |
1745 | | |
1746 | | /** |
1747 | | * Whether input is yes or no. Must be 'y' to be true. |
1748 | | * |
1749 | | * @since 1.0.0 |
1750 | | * |
1751 | | * @param string $yn Character string containing either 'y' or 'n' |
1752 | | * @return bool True if yes, false on anything else |
1753 | | */ |
1754 | | function bool_from_yn( $yn ) { |
1755 | | return ( strtolower( $yn ) == 'y' ); |
1756 | | } |
1757 | | |
1758 | | /** |
1759 | | * Loads the feed template from the use of an action hook. |
1760 | | * |
1761 | | * If the feed action does not have a hook, then the function will die with a |
1762 | | * message telling the visitor that the feed is not valid. |
1763 | | * |
1764 | | * It is better to only have one hook for each feed. |
1765 | | * |
1766 | | * @since 2.1.0 |
1767 | | * @uses $wp_query Used to tell if the use a comment feed. |
1768 | | * @uses do_action() Calls 'do_feed_$feed' hook, if a hook exists for the feed. |
1769 | | */ |
1770 | | function do_feed() { |
1771 | | global $wp_query; |
1772 | | |
1773 | | $feed = get_query_var( 'feed' ); |
1774 | | |
1775 | | // Remove the pad, if present. |
1776 | | $feed = preg_replace( '/^_+/', '', $feed ); |
1777 | | |
1778 | | if ( $feed == '' || $feed == 'feed' ) |
1779 | | $feed = get_default_feed(); |
1780 | | |
1781 | | $hook = 'do_feed_' . $feed; |
1782 | | if ( !has_action($hook) ) { |
1783 | | $message = sprintf( __( 'ERROR: %s is not a valid feed template.' ), esc_html($feed)); |
1784 | | wp_die( $message, '', array( 'response' => 404 ) ); |
1785 | | } |
1786 | | |
1787 | | do_action( $hook, $wp_query->is_comment_feed ); |
1788 | | } |
1789 | | |
1790 | | /** |
1791 | | * Load the RDF RSS 0.91 Feed template. |
1792 | | * |
1793 | | * @since 2.1.0 |
1794 | | */ |
1795 | | function do_feed_rdf() { |
1796 | | load_template( ABSPATH . WPINC . '/feed-rdf.php' ); |
1797 | | } |
1798 | | |
1799 | | /** |
1800 | | * Load the RSS 1.0 Feed Template. |
1801 | | * |
1802 | | * @since 2.1.0 |
1803 | | */ |
1804 | | function do_feed_rss() { |
1805 | | load_template( ABSPATH . WPINC . '/feed-rss.php' ); |
1806 | | } |
1807 | | |
1808 | | /** |
1809 | | * Load either the RSS2 comment feed or the RSS2 posts feed. |
1810 | | * |
1811 | | * @since 2.1.0 |
1812 | | * |
1813 | | * @param bool $for_comments True for the comment feed, false for normal feed. |
1814 | | */ |
1815 | | function do_feed_rss2( $for_comments ) { |
1816 | | if ( $for_comments ) |
1817 | | load_template( ABSPATH . WPINC . '/feed-rss2-comments.php' ); |
1818 | | else |
1819 | | load_template( ABSPATH . WPINC . '/feed-rss2.php' ); |
1820 | | } |
1821 | | |
1822 | | /** |
1823 | | * Load either Atom comment feed or Atom posts feed. |
1824 | | * |
1825 | | * @since 2.1.0 |
1826 | | * |
1827 | | * @param bool $for_comments True for the comment feed, false for normal feed. |
1828 | | */ |
1829 | | function do_feed_atom( $for_comments ) { |
1830 | | if ($for_comments) |
1831 | | load_template( ABSPATH . WPINC . '/feed-atom-comments.php'); |
1832 | | else |
1833 | | load_template( ABSPATH . WPINC . '/feed-atom.php' ); |
1834 | | } |
1835 | | |
1836 | | /** |
1837 | | * Display the robots.txt file content. |
1838 | | * |
1839 | | * The echo content should be with usage of the permalinks or for creating the |
1840 | | * robots.txt file. |
1841 | | * |
1842 | | * @since 2.1.0 |
1843 | | * @uses do_action() Calls 'do_robotstxt' hook for displaying robots.txt rules. |
1844 | | */ |
1845 | | function do_robots() { |
1846 | | header( 'Content-Type: text/plain; charset=utf-8' ); |
1847 | | |
1848 | | do_action( 'do_robotstxt' ); |
1849 | | |
1850 | | $output = "User-agent: *\n"; |
1851 | | $public = get_option( 'blog_public' ); |
1852 | | if ( '0' == $public ) { |
1853 | | $output .= "Disallow: /\n"; |
1854 | | } else { |
1855 | | $site_url = parse_url( site_url() ); |
1856 | | $path = ( !empty( $site_url['path'] ) ) ? $site_url['path'] : ''; |
1857 | | $output .= "Disallow: $path/wp-admin/\n"; |
1858 | | $output .= "Disallow: $path/wp-includes/\n"; |
1859 | | } |
1860 | | |
1861 | | echo apply_filters('robots_txt', $output, $public); |
1862 | | } |
1863 | | |
1864 | | /** |
1865 | | * Test whether blog is already installed. |
1866 | | * |
1867 | | * The cache will be checked first. If you have a cache plugin, which saves the |
1868 | | * cache values, then this will work. If you use the default WordPress cache, |
1869 | | * and the database goes away, then you might have problems. |
1870 | | * |
1871 | | * Checks for the option siteurl for whether WordPress is installed. |
1872 | | * |
1873 | | * @since 2.1.0 |
1874 | | * @uses $wpdb |
1875 | | * |
1876 | | * @return bool Whether blog is already installed. |
1877 | | */ |
1878 | | function is_blog_installed() { |
1879 | | global $wpdb; |
1880 | | |
1881 | | // Check cache first. If options table goes away and we have true cached, oh well. |
1882 | | if ( wp_cache_get( 'is_blog_installed' ) ) |
1883 | | return true; |
1884 | | |
1885 | | $suppress = $wpdb->suppress_errors(); |
1886 | | if ( ! defined( 'WP_INSTALLING' ) ) { |
1887 | | $alloptions = wp_load_alloptions(); |
1888 | | } |
1889 | | // If siteurl is not set to autoload, check it specifically |
1890 | | if ( !isset( $alloptions['siteurl'] ) ) |
1891 | | $installed = $wpdb->get_var( "SELECT option_value FROM $wpdb->options WHERE option_name = 'siteurl'" ); |
1892 | | else |
1893 | | $installed = $alloptions['siteurl']; |
1894 | | $wpdb->suppress_errors( $suppress ); |
1895 | | |
1896 | | $installed = !empty( $installed ); |
1897 | | wp_cache_set( 'is_blog_installed', $installed ); |
1898 | | |
1899 | | if ( $installed ) |
1900 | | return true; |
1901 | | |
1902 | | // If visiting repair.php, return true and let it take over. |
1903 | | if ( defined( 'WP_REPAIRING' ) ) |
1904 | | return true; |
1905 | | |
1906 | | $suppress = $wpdb->suppress_errors(); |
1907 | | |
1908 | | // Loop over the WP tables. If none exist, then scratch install is allowed. |
1909 | | // If one or more exist, suggest table repair since we got here because the options |
1910 | | // table could not be accessed. |
1911 | | $wp_tables = $wpdb->tables(); |
1912 | | foreach ( $wp_tables as $table ) { |
1913 | | // The existence of custom user tables shouldn't suggest an insane state or prevent a clean install. |
1914 | | if ( defined( 'CUSTOM_USER_TABLE' ) && CUSTOM_USER_TABLE == $table ) |
1915 | | continue; |
1916 | | if ( defined( 'CUSTOM_USER_META_TABLE' ) && CUSTOM_USER_META_TABLE == $table ) |
1917 | | continue; |
1918 | | |
1919 | | if ( ! $wpdb->get_results( "DESCRIBE $table;" ) ) |
1920 | | continue; |
1921 | | |
1922 | | // One or more tables exist. We are insane. |
1923 | | |
1924 | | // Die with a DB error. |
1925 | | $wpdb->error = sprintf( /*WP_I18N_NO_TABLES*/'One or more database tables are unavailable. The database may need to be <a href="%s">repaired</a>.'/*/WP_I18N_NO_TABLES*/, 'maint/repair.php?referrer=is_blog_installed' ); |
1926 | | dead_db(); |
1927 | | } |
1928 | | |
1929 | | $wpdb->suppress_errors( $suppress ); |
1930 | | |
1931 | | wp_cache_set( 'is_blog_installed', false ); |
1932 | | |
1933 | | return false; |
1934 | | } |
1935 | | |
1936 | | /** |
1937 | | * Retrieve URL with nonce added to URL query. |
1938 | | * |
1939 | | * @package WordPress |
1940 | | * @subpackage Security |
1941 | | * @since 2.0.4 |
1942 | | * |
1943 | | * @param string $actionurl URL to add nonce action |
1944 | | * @param string $action Optional. Nonce action name |
1945 | | * @return string URL with nonce action added. |
1946 | | */ |
1947 | | function wp_nonce_url( $actionurl, $action = -1 ) { |
1948 | | $actionurl = str_replace( '&', '&', $actionurl ); |
1949 | | return esc_html( add_query_arg( '_wpnonce', wp_create_nonce( $action ), $actionurl ) ); |
1950 | | } |
1951 | | |
1952 | | /** |
1953 | | * Retrieve or display nonce hidden field for forms. |
1954 | | * |
1955 | | * The nonce field is used to validate that the contents of the form came from |
1956 | | * the location on the current site and not somewhere else. The nonce does not |
1957 | | * offer absolute protection, but should protect against most cases. It is very |
1958 | | * important to use nonce field in forms. |
1959 | | * |
1960 | | * The $action and $name are optional, but if you want to have better security, |
1961 | | * it is strongly suggested to set those two parameters. It is easier to just |
1962 | | * call the function without any parameters, because validation of the nonce |
1963 | | * doesn't require any parameters, but since crackers know what the default is |
1964 | | * it won't be difficult for them to find a way around your nonce and cause |
1965 | | * damage. |
1966 | | * |
1967 | | * The input name will be whatever $name value you gave. The input value will be |
1968 | | * the nonce creation value. |
1969 | | * |
1970 | | * @package WordPress |
1971 | | * @subpackage Security |
1972 | | * @since 2.0.4 |
1973 | | * |
1974 | | * @param string $action Optional. Action name. |
1975 | | * @param string $name Optional. Nonce name. |
1976 | | * @param bool $referer Optional, default true. Whether to set the referer field for validation. |
1977 | | * @param bool $echo Optional, default true. Whether to display or return hidden form field. |
1978 | | * @return string Nonce field. |
1979 | | */ |
1980 | | function wp_nonce_field( $action = -1, $name = "_wpnonce", $referer = true , $echo = true ) { |
1981 | | $name = esc_attr( $name ); |
1982 | | $nonce_field = '<input type="hidden" id="' . $name . '" name="' . $name . '" value="' . wp_create_nonce( $action ) . '" />'; |
1983 | | |
1984 | | if ( $referer ) |
1985 | | $nonce_field .= wp_referer_field( false ); |
1986 | | |
1987 | | if ( $echo ) |
1988 | | echo $nonce_field; |
1989 | | |
1990 | | return $nonce_field; |
1991 | | } |
1992 | | |
1993 | | /** |
1994 | | * Retrieve or display referer hidden field for forms. |
1995 | | * |
1996 | | * The referer link is the current Request URI from the server super global. The |
1997 | | * input name is '_wp_http_referer', in case you wanted to check manually. |
1998 | | * |
1999 | | * @package WordPress |
2000 | | * @subpackage Security |
2001 | | * @since 2.0.4 |
2002 | | * |
2003 | | * @param bool $echo Whether to echo or return the referer field. |
2004 | | * @return string Referer field. |
2005 | | */ |
2006 | | function wp_referer_field( $echo = true ) { |
2007 | | $ref = esc_attr( $_SERVER['REQUEST_URI'] ); |
2008 | | $referer_field = '<input type="hidden" name="_wp_http_referer" value="'. $ref . '" />'; |
2009 | | |
2010 | | if ( $echo ) |
2011 | | echo $referer_field; |
2012 | | return $referer_field; |
2013 | | } |
2014 | | |
2015 | | /** |
2016 | | * Retrieve or display original referer hidden field for forms. |
2017 | | * |
2018 | | * The input name is '_wp_original_http_referer' and will be either the same |
2019 | | * value of {@link wp_referer_field()}, if that was posted already or it will |
2020 | | * be the current page, if it doesn't exist. |
2021 | | * |
2022 | | * @package WordPress |
2023 | | * @subpackage Security |
2024 | | * @since 2.0.4 |
2025 | | * |
2026 | | * @param bool $echo Whether to echo the original http referer |
2027 | | * @param string $jump_back_to Optional, default is 'current'. Can be 'previous' or page you want to jump back to. |
2028 | | * @return string Original referer field. |
2029 | | */ |
2030 | | function wp_original_referer_field( $echo = true, $jump_back_to = 'current' ) { |
2031 | | $jump_back_to = ( 'previous' == $jump_back_to ) ? wp_get_referer() : $_SERVER['REQUEST_URI']; |
2032 | | $ref = ( wp_get_original_referer() ) ? wp_get_original_referer() : $jump_back_to; |
2033 | | $orig_referer_field = '<input type="hidden" name="_wp_original_http_referer" value="' . esc_attr( stripslashes( $ref ) ) . '" />'; |
2034 | | if ( $echo ) |
2035 | | echo $orig_referer_field; |
2036 | | return $orig_referer_field; |
2037 | | } |
2038 | | |
2039 | | /** |
2040 | | * Retrieve referer from '_wp_http_referer' or HTTP referer. If it's the same |
2041 | | * as the current request URL, will return false. |
2042 | | * |
2043 | | * @package WordPress |
2044 | | * @subpackage Security |
2045 | | * @since 2.0.4 |
2046 | | * |
2047 | | * @return string|bool False on failure. Referer URL on success. |
2048 | | */ |
2049 | | function wp_get_referer() { |
2050 | | $ref = false; |
2051 | | if ( ! empty( $_REQUEST['_wp_http_referer'] ) ) |
2052 | | $ref = $_REQUEST['_wp_http_referer']; |
2053 | | else if ( ! empty( $_SERVER['HTTP_REFERER'] ) ) |
2054 | | $ref = $_SERVER['HTTP_REFERER']; |
2055 | | |
2056 | | if ( $ref && $ref !== $_SERVER['REQUEST_URI'] ) |
2057 | | return $ref; |
2058 | | return false; |
2059 | | } |
2060 | | |
2061 | | /** |
2062 | | * Retrieve original referer that was posted, if it exists. |
2063 | | * |
2064 | | * @package WordPress |
2065 | | * @subpackage Security |
2066 | | * @since 2.0.4 |
2067 | | * |
2068 | | * @return string|bool False if no original referer or original referer if set. |
2069 | | */ |
2070 | | function wp_get_original_referer() { |
2071 | | if ( !empty( $_REQUEST['_wp_original_http_referer'] ) ) |
2072 | | return $_REQUEST['_wp_original_http_referer']; |
2073 | | return false; |
2074 | | } |
2075 | | |
2076 | | /** |
2077 | | * Recursive directory creation based on full path. |
2078 | | * |
2079 | | * Will attempt to set permissions on folders. |
2080 | | * |
2081 | | * @since 2.0.1 |
2082 | | * |
2083 | | * @param string $target Full path to attempt to create. |
2084 | | * @return bool Whether the path was created. True if path already exists. |
2085 | | */ |
2086 | | function wp_mkdir_p( $target ) { |
2087 | | // from php.net/mkdir user contributed notes |
2088 | | $target = str_replace( '//', '/', $target ); |
2089 | | |
2090 | | // safe mode fails with a trailing slash under certain PHP versions. |
2091 | | $target = rtrim($target, '/'); // Use rtrim() instead of untrailingslashit to avoid formatting.php dependency. |
2092 | | if ( empty($target) ) |
2093 | | $target = '/'; |
2094 | | |
2095 | | if ( file_exists( $target ) ) |
2096 | | return @is_dir( $target ); |
2097 | | |
2098 | | // Attempting to create the directory may clutter up our display. |
2099 | | if ( @mkdir( $target ) ) { |
2100 | | $stat = @stat( dirname( $target ) ); |
2101 | | $dir_perms = $stat['mode'] & 0007777; // Get the permission bits. |
2102 | | @chmod( $target, $dir_perms ); |
2103 | | return true; |
2104 | | } elseif ( is_dir( dirname( $target ) ) ) { |
2105 | | return false; |
2106 | | } |
2107 | | |
2108 | | // If the above failed, attempt to create the parent node, then try again. |
2109 | | if ( ( $target != '/' ) && ( wp_mkdir_p( dirname( $target ) ) ) ) |
2110 | | return wp_mkdir_p( $target ); |
2111 | | |
2112 | | return false; |
2113 | | } |
2114 | | |
2115 | | /** |
2116 | | * Test if a give filesystem path is absolute ('/foo/bar', 'c:\windows'). |
2117 | | * |
2118 | | * @since 2.5.0 |
2119 | | * |
2120 | | * @param string $path File path |
2121 | | * @return bool True if path is absolute, false is not absolute. |
2122 | | */ |
2123 | | function path_is_absolute( $path ) { |
2124 | | // this is definitive if true but fails if $path does not exist or contains a symbolic link |
2125 | | if ( realpath($path) == $path ) |
2126 | | return true; |
2127 | | |
2128 | | if ( strlen($path) == 0 || $path[0] == '.' ) |
2129 | | return false; |
2130 | | |
2131 | | // windows allows absolute paths like this |
2132 | | if ( preg_match('#^[a-zA-Z]:\\\\#', $path) ) |
2133 | | return true; |
2134 | | |
2135 | | // a path starting with / or \ is absolute; anything else is relative |
2136 | | return ( $path[0] == '/' || $path[0] == '\\' ); |
2137 | | } |
2138 | | |
2139 | | /** |
2140 | | * Join two filesystem paths together (e.g. 'give me $path relative to $base'). |
2141 | | * |
2142 | | * If the $path is absolute, then it the full path is returned. |
2143 | | * |
2144 | | * @since 2.5.0 |
2145 | | * |
2146 | | * @param string $base |
2147 | | * @param string $path |
2148 | | * @return string The path with the base or absolute path. |
2149 | | */ |
2150 | | function path_join( $base, $path ) { |
2151 | | if ( path_is_absolute($path) ) |
2152 | | return $path; |
2153 | | |
2154 | | return rtrim($base, '/') . '/' . ltrim($path, '/'); |
2155 | | } |
2156 | | |
2157 | | /** |
2158 | | * Determines a writable directory for temporary files. |
2159 | | * Function's preference is to WP_CONTENT_DIR followed by the return value of <code>sys_get_temp_dir()</code>, before finally defaulting to /tmp/ |
2160 | | * |
2161 | | * In the event that this function does not find a writable location, It may be overridden by the <code>WP_TEMP_DIR</code> constant in your <code>wp-config.php</code> file. |
2162 | | * |
2163 | | * @since 2.5.0 |
2164 | | * |
2165 | | * @return string Writable temporary directory |
2166 | | */ |
2167 | | function get_temp_dir() { |
2168 | | static $temp; |
2169 | | if ( defined('WP_TEMP_DIR') ) |
2170 | | return trailingslashit(WP_TEMP_DIR); |
2171 | | |
2172 | | if ( $temp ) |
2173 | | return trailingslashit($temp); |
2174 | | |
2175 | | $temp = WP_CONTENT_DIR . '/'; |
2176 | | if ( is_dir($temp) && @is_writable($temp) ) |
2177 | | return $temp; |
2178 | | |
2179 | | if ( function_exists('sys_get_temp_dir') ) { |
2180 | | $temp = sys_get_temp_dir(); |
2181 | | if ( @is_writable($temp) ) |
2182 | | return trailingslashit($temp); |
2183 | | } |
2184 | | |
2185 | | $temp = ini_get('upload_tmp_dir'); |
2186 | | if ( is_dir($temp) && @is_writable($temp) ) |
2187 | | return trailingslashit($temp); |
2188 | | |
2189 | | $temp = '/tmp/'; |
2190 | | return $temp; |
2191 | | } |
2192 | | |
2193 | | /** |
2194 | | * Get an array containing the current upload directory's path and url. |
2195 | | * |
2196 | | * Checks the 'upload_path' option, which should be from the web root folder, |
2197 | | * and if it isn't empty it will be used. If it is empty, then the path will be |
2198 | | * 'WP_CONTENT_DIR/uploads'. If the 'UPLOADS' constant is defined, then it will |
2199 | | * override the 'upload_path' option and 'WP_CONTENT_DIR/uploads' path. |
2200 | | * |
2201 | | * The upload URL path is set either by the 'upload_url_path' option or by using |
2202 | | * the 'WP_CONTENT_URL' constant and appending '/uploads' to the path. |
2203 | | * |
2204 | | * If the 'uploads_use_yearmonth_folders' is set to true (checkbox if checked in |
2205 | | * the administration settings panel), then the time will be used. The format |
2206 | | * will be year first and then month. |
2207 | | * |
2208 | | * If the path couldn't be created, then an error will be returned with the key |
2209 | | * 'error' containing the error message. The error suggests that the parent |
2210 | | * directory is not writable by the server. |
2211 | | * |
2212 | | * On success, the returned array will have many indices: |
2213 | | * 'path' - base directory and sub directory or full path to upload directory. |
2214 | | * 'url' - base url and sub directory or absolute URL to upload directory. |
2215 | | * 'subdir' - sub directory if uploads use year/month folders option is on. |
2216 | | * 'basedir' - path without subdir. |
2217 | | * 'baseurl' - URL path without subdir. |
2218 | | * 'error' - set to false. |
2219 | | * |
2220 | | * @since 2.0.0 |
2221 | | * @uses apply_filters() Calls 'upload_dir' on returned array. |
2222 | | * |
2223 | | * @param string $time Optional. Time formatted in 'yyyy/mm'. |
2224 | | * @return array See above for description. |
2225 | | */ |
2226 | | function wp_upload_dir( $time = null ) { |
2227 | | global $switched; |
2228 | | $siteurl = get_option( 'siteurl' ); |
2229 | | $upload_path = get_option( 'upload_path' ); |
2230 | | $upload_path = trim($upload_path); |
2231 | | $main_override = is_multisite() && defined( 'MULTISITE' ) && is_main_site(); |
2232 | | if ( empty($upload_path) ) { |
2233 | | $dir = WP_CONTENT_DIR . '/uploads'; |
2234 | | } else { |
2235 | | $dir = $upload_path; |
2236 | | if ( 'wp-content/uploads' == $upload_path ) { |
2237 | | $dir = WP_CONTENT_DIR . '/uploads'; |
2238 | | } elseif ( 0 !== strpos($dir, ABSPATH) ) { |
2239 | | // $dir is absolute, $upload_path is (maybe) relative to ABSPATH |
2240 | | $dir = path_join( ABSPATH, $dir ); |
2241 | | } |
2242 | | } |
2243 | | |
2244 | | if ( !$url = get_option( 'upload_url_path' ) ) { |
2245 | | if ( empty($upload_path) || ( 'wp-content/uploads' == $upload_path ) || ( $upload_path == $dir ) ) |
2246 | | $url = WP_CONTENT_URL . '/uploads'; |
2247 | | else |
2248 | | $url = trailingslashit( $siteurl ) . $upload_path; |
2249 | | } |
2250 | | |
2251 | | if ( defined('UPLOADS') && !$main_override && ( !isset( $switched ) || $switched === false ) ) { |
2252 | | $dir = ABSPATH . UPLOADS; |
2253 | | $url = trailingslashit( $siteurl ) . UPLOADS; |
2254 | | } |
2255 | | |
2256 | | if ( is_multisite() && !$main_override && ( !isset( $switched ) || $switched === false ) ) { |
2257 | | if ( defined( 'BLOGUPLOADDIR' ) ) |
2258 | | $dir = untrailingslashit(BLOGUPLOADDIR); |
2259 | | $url = str_replace( UPLOADS, 'files', $url ); |
2260 | | } |
2261 | | |
2262 | | $bdir = $dir; |
2263 | | $burl = $url; |
2264 | | |
2265 | | $subdir = ''; |
2266 | | if ( get_option( 'uploads_use_yearmonth_folders' ) ) { |
2267 | | // Generate the yearly and monthly dirs |
2268 | | if ( !$time ) |
2269 | | $time = current_time( 'mysql' ); |
2270 | | $y = substr( $time, 0, 4 ); |
2271 | | $m = substr( $time, 5, 2 ); |
2272 | | $subdir = "/$y/$m"; |
2273 | | } |
2274 | | |
2275 | | $dir .= $subdir; |
2276 | | $url .= $subdir; |
2277 | | |
2278 | | $uploads = apply_filters( 'upload_dir', array( 'path' => $dir, 'url' => $url, 'subdir' => $subdir, 'basedir' => $bdir, 'baseurl' => $burl, 'error' => false ) ); |
2279 | | |
2280 | | // Make sure we have an uploads dir |
2281 | | if ( ! wp_mkdir_p( $uploads['path'] ) ) { |
2282 | | $message = sprintf( __( 'Unable to create directory %s. Is its parent directory writable by the server?' ), $uploads['path'] ); |
2283 | | return array( 'error' => $message ); |
2284 | | } |
2285 | | |
2286 | | return $uploads; |
2287 | | } |
2288 | | |
2289 | | /** |
2290 | | * Get a filename that is sanitized and unique for the given directory. |
2291 | | * |
2292 | | * If the filename is not unique, then a number will be added to the filename |
2293 | | * before the extension, and will continue adding numbers until the filename is |
2294 | | * unique. |
2295 | | * |
2296 | | * The callback is passed three parameters, the first one is the directory, the |
2297 | | * second is the filename, and the third is the extension. |
2298 | | * |
2299 | | * @since 2.5.0 |
2300 | | * |
2301 | | * @param string $dir |
2302 | | * @param string $filename |
2303 | | * @param mixed $unique_filename_callback Callback. |
2304 | | * @return string New filename, if given wasn't unique. |
2305 | | */ |
2306 | | function wp_unique_filename( $dir, $filename, $unique_filename_callback = null ) { |
2307 | | // sanitize the file name before we begin processing |
2308 | | $filename = sanitize_file_name($filename); |
2309 | | |
2310 | | // separate the filename into a name and extension |
2311 | | $info = pathinfo($filename); |
2312 | | $ext = !empty($info['extension']) ? '.' . $info['extension'] : ''; |
2313 | | $name = basename($filename, $ext); |
2314 | | |
2315 | | // edge case: if file is named '.ext', treat as an empty name |
2316 | | if ( $name === $ext ) |
2317 | | $name = ''; |
2318 | | |
2319 | | // Increment the file number until we have a unique file to save in $dir. Use callback if supplied. |
2320 | | if ( $unique_filename_callback && is_callable( $unique_filename_callback ) ) { |
2321 | | $filename = call_user_func( $unique_filename_callback, $dir, $name, $ext ); |
2322 | | } else { |
2323 | | $number = ''; |
2324 | | |
2325 | | // change '.ext' to lower case |
2326 | | if ( $ext && strtolower($ext) != $ext ) { |
2327 | | $ext2 = strtolower($ext); |
2328 | | $filename2 = preg_replace( '|' . preg_quote($ext) . '$|', $ext2, $filename ); |
2329 | | |
2330 | | // check for both lower and upper case extension or image sub-sizes may be overwritten |
2331 | | while ( file_exists($dir . "/$filename") || file_exists($dir . "/$filename2") ) { |
2332 | | $new_number = $number + 1; |
2333 | | $filename = str_replace( "$number$ext", "$new_number$ext", $filename ); |
2334 | | $filename2 = str_replace( "$number$ext2", "$new_number$ext2", $filename2 ); |
2335 | | $number = $new_number; |
2336 | | } |
2337 | | return $filename2; |
2338 | | } |
2339 | | |
2340 | | while ( file_exists( $dir . "/$filename" ) ) { |
2341 | | if ( '' == "$number$ext" ) |
2342 | | $filename = $filename . ++$number . $ext; |
2343 | | else |
2344 | | $filename = str_replace( "$number$ext", ++$number . $ext, $filename ); |
2345 | | } |
2346 | | } |
2347 | | |
2348 | | return $filename; |
2349 | | } |
2350 | | |
2351 | | /** |
2352 | | * Create a file in the upload folder with given content. |
2353 | | * |
2354 | | * If there is an error, then the key 'error' will exist with the error message. |
2355 | | * If success, then the key 'file' will have the unique file path, the 'url' key |
2356 | | * will have the link to the new file. and the 'error' key will be set to false. |
2357 | | * |
2358 | | * This function will not move an uploaded file to the upload folder. It will |
2359 | | * create a new file with the content in $bits parameter. If you move the upload |
2360 | | * file, read the content of the uploaded file, and then you can give the |
2361 | | * filename and content to this function, which will add it to the upload |
2362 | | * folder. |
2363 | | * |
2364 | | * The permissions will be set on the new file automatically by this function. |
2365 | | * |
2366 | | * @since 2.0.0 |
2367 | | * |
2368 | | * @param string $name |
2369 | | * @param null $deprecated Never used. Set to null. |
2370 | | * @param mixed $bits File content |
2371 | | * @param string $time Optional. Time formatted in 'yyyy/mm'. |
2372 | | * @return array |
2373 | | */ |
2374 | | function wp_upload_bits( $name, $deprecated, $bits, $time = null ) { |
2375 | | if ( !empty( $deprecated ) ) |
2376 | | _deprecated_argument( __FUNCTION__, '2.0' ); |
2377 | | |
2378 | | if ( empty( $name ) ) |
2379 | | return array( 'error' => __( 'Empty filename' ) ); |
2380 | | |
2381 | | $wp_filetype = wp_check_filetype( $name ); |
2382 | | if ( !$wp_filetype['ext'] ) |
2383 | | return array( 'error' => __( 'Invalid file type' ) ); |
2384 | | |
2385 | | $upload = wp_upload_dir( $time ); |
2386 | | |
2387 | | if ( $upload['error'] !== false ) |
2388 | | return $upload; |
2389 | | |
2390 | | $upload_bits_error = apply_filters( 'wp_upload_bits', array( 'name' => $name, 'bits' => $bits, 'time' => $time ) ); |
2391 | | if ( !is_array( $upload_bits_error ) ) { |
2392 | | $upload[ 'error' ] = $upload_bits_error; |
2393 | | return $upload; |
2394 | | } |
2395 | | |
2396 | | $filename = wp_unique_filename( $upload['path'], $name ); |
2397 | | |
2398 | | $new_file = $upload['path'] . "/$filename"; |
2399 | | if ( ! wp_mkdir_p( dirname( $new_file ) ) ) { |
2400 | | $message = sprintf( __( 'Unable to create directory %s. Is its parent directory writable by the server?' ), dirname( $new_file ) ); |
2401 | | return array( 'error' => $message ); |
2402 | | } |
2403 | | |
2404 | | $ifp = @ fopen( $new_file, 'wb' ); |
2405 | | if ( ! $ifp ) |
2406 | | return array( 'error' => sprintf( __( 'Could not write file %s' ), $new_file ) ); |
2407 | | |
2408 | | @fwrite( $ifp, $bits ); |
2409 | | fclose( $ifp ); |
2410 | | clearstatcache(); |
2411 | | |
2412 | | // Set correct file permissions |
2413 | | $stat = @ stat( dirname( $new_file ) ); |
2414 | | $perms = $stat['mode'] & 0007777; |
2415 | | $perms = $perms & 0000666; |
2416 | | @ chmod( $new_file, $perms ); |
2417 | | clearstatcache(); |
2418 | | |
2419 | | // Compute the URL |
2420 | | $url = $upload['url'] . "/$filename"; |
2421 | | |
2422 | | return array( 'file' => $new_file, 'url' => $url, 'error' => false ); |
2423 | | } |
2424 | | |
2425 | | /** |
2426 | | * Retrieve the file type based on the extension name. |
2427 | | * |
2428 | | * @package WordPress |
2429 | | * @since 2.5.0 |
2430 | | * @uses apply_filters() Calls 'ext2type' hook on default supported types. |
2431 | | * |
2432 | | * @param string $ext The extension to search. |
2433 | | * @return string|null The file type, example: audio, video, document, spreadsheet, etc. Null if not found. |
2434 | | */ |
2435 | | function wp_ext2type( $ext ) { |
2436 | | $ext2type = apply_filters( 'ext2type', array( |
2437 | | 'audio' => array( 'aac', 'ac3', 'aif', 'aiff', 'm3a', 'm4a', 'm4b', 'mka', 'mp1', 'mp2', 'mp3', 'ogg', 'oga', 'ram', 'wav', 'wma' ), |
2438 | | 'video' => array( 'asf', 'avi', 'divx', 'dv', 'flv', 'm4v', 'mkv', 'mov', 'mp4', 'mpeg', 'mpg', 'mpv', 'ogm', 'ogv', 'qt', 'rm', 'vob', 'wmv' ), |
2439 | | 'document' => array( 'doc', 'docx', 'docm', 'dotm', 'odt', 'pages', 'pdf', 'rtf', 'wp', 'wpd' ), |
2440 | | 'spreadsheet' => array( 'numbers', 'ods', 'xls', 'xlsx', 'xlsb', 'xlsm' ), |
2441 | | 'interactive' => array( 'key', 'ppt', 'pptx', 'pptm', 'odp', 'swf' ), |
2442 | | 'text' => array( 'asc', 'csv', 'tsv', 'txt' ), |
2443 | | 'archive' => array( 'bz2', 'cab', 'dmg', 'gz', 'rar', 'sea', 'sit', 'sqx', 'tar', 'tgz', 'zip', '7z' ), |
2444 | | 'code' => array( 'css', 'htm', 'html', 'php', 'js' ), |
2445 | | )); |
2446 | | foreach ( $ext2type as $type => $exts ) |
2447 | | if ( in_array( $ext, $exts ) ) |
2448 | | return $type; |
2449 | | } |
2450 | | |
2451 | | /** |
2452 | | * Retrieve the file type from the file name. |
2453 | | * |
2454 | | * You can optionally define the mime array, if needed. |
2455 | | * |
2456 | | * @since 2.0.4 |
2457 | | * |
2458 | | * @param string $filename File name or path. |
2459 | | * @param array $mimes Optional. Key is the file extension with value as the mime type. |
2460 | | * @return array Values with extension first and mime type. |
2461 | | */ |
2462 | | function wp_check_filetype( $filename, $mimes = null ) { |
2463 | | if ( empty($mimes) ) |
2464 | | $mimes = get_allowed_mime_types(); |
2465 | | $type = false; |
2466 | | $ext = false; |
2467 | | |
2468 | | foreach ( $mimes as $ext_preg => $mime_match ) { |
2469 | | $ext_preg = '!\.(' . $ext_preg . ')$!i'; |
2470 | | if ( preg_match( $ext_preg, $filename, $ext_matches ) ) { |
2471 | | $type = $mime_match; |
2472 | | $ext = $ext_matches[1]; |
2473 | | break; |
2474 | | } |
2475 | | } |
2476 | | |
2477 | | return compact( 'ext', 'type' ); |
2478 | | } |
2479 | | |
2480 | | /** |
2481 | | * Attempt to determine the real file type of a file. |
2482 | | * If unable to, the file name extension will be used to determine type. |
2483 | | * |
2484 | | * If it's determined that the extension does not match the file's real type, |
2485 | | * then the "proper_filename" value will be set with a proper filename and extension. |
2486 | | * |
2487 | | * Currently this function only supports validating images known to getimagesize(). |
2488 | | * |
2489 | | * @since 3.0.0 |
2490 | | * |
2491 | | * @param string $file Full path to the image. |
2492 | | * @param string $filename The filename of the image (may differ from $file due to $file being in a tmp directory) |
2493 | | * @param array $mimes Optional. Key is the file extension with value as the mime type. |
2494 | | * @return array Values for the extension, MIME, and either a corrected filename or false if original $filename is valid |
2495 | | */ |
2496 | | function wp_check_filetype_and_ext( $file, $filename, $mimes = null ) { |
2497 | | |
2498 | | $proper_filename = false; |
2499 | | |
2500 | | // Do basic extension validation and MIME mapping |
2501 | | $wp_filetype = wp_check_filetype( $filename, $mimes ); |
2502 | | extract( $wp_filetype ); |
2503 | | |
2504 | | // We can't do any further validation without a file to work with |
2505 | | if ( ! file_exists( $file ) ) |
2506 | | return compact( 'ext', 'type', 'proper_filename' ); |
2507 | | |
2508 | | // We're able to validate images using GD |
2509 | | if ( $type && 0 === strpos( $type, 'image/' ) && function_exists('getimagesize') ) { |
2510 | | |
2511 | | // Attempt to figure out what type of image it actually is |
2512 | | $imgstats = @getimagesize( $file ); |
2513 | | |
2514 | | // If getimagesize() knows what kind of image it really is and if the real MIME doesn't match the claimed MIME |
2515 | | if ( !empty($imgstats['mime']) && $imgstats['mime'] != $type ) { |
2516 | | // This is a simplified array of MIMEs that getimagesize() can detect and their extensions |
2517 | | // You shouldn't need to use this filter, but it's here just in case |
2518 | | $mime_to_ext = apply_filters( 'getimagesize_mimes_to_exts', array( |
2519 | | 'image/jpeg' => 'jpg', |
2520 | | 'image/png' => 'png', |
2521 | | 'image/gif' => 'gif', |
2522 | | 'image/bmp' => 'bmp', |
2523 | | 'image/tiff' => 'tif', |
2524 | | ) ); |
2525 | | |
2526 | | // Replace whatever is after the last period in the filename with the correct extension |
2527 | | if ( ! empty( $mime_to_ext[ $imgstats['mime'] ] ) ) { |
2528 | | $filename_parts = explode( '.', $filename ); |
2529 | | array_pop( $filename_parts ); |
2530 | | $filename_parts[] = $mime_to_ext[ $imgstats['mime'] ]; |
2531 | | $new_filename = implode( '.', $filename_parts ); |
2532 | | |
2533 | | if ( $new_filename != $filename ) |
2534 | | $proper_filename = $new_filename; // Mark that it changed |
2535 | | |
2536 | | // Redefine the extension / MIME |
2537 | | $wp_filetype = wp_check_filetype( $new_filename, $mimes ); |
2538 | | extract( $wp_filetype ); |
2539 | | } |
2540 | | } |
2541 | | } |
2542 | | |
2543 | | // Let plugins try and validate other types of files |
2544 | | // Should return an array in the style of array( 'ext' => $ext, 'type' => $type, 'proper_filename' => $proper_filename ) |
2545 | | return apply_filters( 'wp_check_filetype_and_ext', compact( 'ext', 'type', 'proper_filename' ), $file, $filename, $mimes ); |
2546 | | } |
2547 | | |
2548 | | /** |
2549 | | * Retrieve list of allowed mime types and file extensions. |
2550 | | * |
2551 | | * @since 2.8.6 |
2552 | | * |
2553 | | * @return array Array of mime types keyed by the file extension regex corresponding to those types. |
2554 | | */ |
2555 | | function get_allowed_mime_types() { |
2556 | | static $mimes = false; |
2557 | | |
2558 | | if ( !$mimes ) { |
2559 | | // Accepted MIME types are set here as PCRE unless provided. |
2560 | | $mimes = apply_filters( 'upload_mimes', array( |
2561 | | 'jpg|jpeg|jpe' => 'image/jpeg', |
2562 | | 'gif' => 'image/gif', |
2563 | | 'png' => 'image/png', |
2564 | | 'bmp' => 'image/bmp', |
2565 | | 'tif|tiff' => 'image/tiff', |
2566 | | 'ico' => 'image/x-icon', |
2567 | | 'asf|asx|wax|wmv|wmx' => 'video/asf', |
2568 | | 'avi' => 'video/avi', |
2569 | | 'divx' => 'video/divx', |
2570 | | 'flv' => 'video/x-flv', |
2571 | | 'mov|qt' => 'video/quicktime', |
2572 | | 'mpeg|mpg|mpe' => 'video/mpeg', |
2573 | | 'txt|asc|c|cc|h' => 'text/plain', |
2574 | | 'csv' => 'text/csv', |
2575 | | 'tsv' => 'text/tab-separated-values', |
2576 | | 'ics' => 'text/calendar', |
2577 | | 'rtx' => 'text/richtext', |
2578 | | 'css' => 'text/css', |
2579 | | 'htm|html' => 'text/html', |
2580 | | 'mp3|m4a|m4b' => 'audio/mpeg', |
2581 | | 'mp4|m4v' => 'video/mp4', |
2582 | | 'ra|ram' => 'audio/x-realaudio', |
2583 | | 'wav' => 'audio/wav', |
2584 | | 'ogg|oga' => 'audio/ogg', |
2585 | | 'ogv' => 'video/ogg', |
2586 | | 'mid|midi' => 'audio/midi', |
2587 | | 'wma' => 'audio/wma', |
2588 | | 'mka' => 'audio/x-matroska', |
2589 | | 'mkv' => 'video/x-matroska', |
2590 | | 'rtf' => 'application/rtf', |
2591 | | 'js' => 'application/javascript', |
2592 | | 'pdf' => 'application/pdf', |
2593 | | 'doc|docx' => 'application/msword', |
2594 | | 'pot|pps|ppt|pptx|ppam|pptm|sldm|ppsm|potm' => 'application/vnd.ms-powerpoint', |
2595 | | 'wri' => 'application/vnd.ms-write', |
2596 | | 'xla|xls|xlsx|xlt|xlw|xlam|xlsb|xlsm|xltm' => 'application/vnd.ms-excel', |
2597 | | 'mdb' => 'application/vnd.ms-access', |
2598 | | 'mpp' => 'application/vnd.ms-project', |
2599 | | 'docm|dotm' => 'application/vnd.ms-word', |
2600 | | 'pptx|sldx|ppsx|potx' => 'application/vnd.openxmlformats-officedocument.presentationml', |
2601 | | 'xlsx|xltx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml', |
2602 | | 'docx|dotx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml', |
2603 | | 'onetoc|onetoc2|onetmp|onepkg' => 'application/onenote', |
2604 | | 'swf' => 'application/x-shockwave-flash', |
2605 | | 'class' => 'application/java', |
2606 | | 'tar' => 'application/x-tar', |
2607 | | 'zip' => 'application/zip', |
2608 | | 'gz|gzip' => 'application/x-gzip', |
2609 | | 'rar' => 'application/rar', |
2610 | | '7z' => 'application/x-7z-compressed', |
2611 | | 'exe' => 'application/x-msdownload', |
2612 | | // openoffice formats |
2613 | | 'odt' => 'application/vnd.oasis.opendocument.text', |
2614 | | 'odp' => 'application/vnd.oasis.opendocument.presentation', |
2615 | | 'ods' => 'application/vnd.oasis.opendocument.spreadsheet', |
2616 | | 'odg' => 'application/vnd.oasis.opendocument.graphics', |
2617 | | 'odc' => 'application/vnd.oasis.opendocument.chart', |
2618 | | 'odb' => 'application/vnd.oasis.opendocument.database', |
2619 | | 'odf' => 'application/vnd.oasis.opendocument.formula', |
2620 | | // wordperfect formats |
2621 | | 'wp|wpd' => 'application/wordperfect', |
2622 | | ) ); |
2623 | | } |
2624 | | |
2625 | | return $mimes; |
2626 | | } |
2627 | | |
2628 | | /** |
2629 | | * Retrieve nonce action "Are you sure" message. |
2630 | | * |
2631 | | * The action is split by verb and noun. The action format is as follows: |
2632 | | * verb-action_extra. The verb is before the first dash and has the format of |
2633 | | * letters and no spaces and numbers. The noun is after the dash and before the |
2634 | | * underscore, if an underscore exists. The noun is also only letters. |
2635 | | * |
2636 | | * The filter will be called for any action, which is not defined by WordPress. |
2637 | | * You may use the filter for your plugin to explain nonce actions to the user, |
2638 | | * when they get the "Are you sure?" message. The filter is in the format of |
2639 | | * 'explain_nonce_$verb-$noun' with the $verb replaced by the found verb and the |
2640 | | * $noun replaced by the found noun. The two parameters that are given to the |
2641 | | * hook are the localized "Are you sure you want to do this?" message with the |
2642 | | * extra text (the text after the underscore). |
2643 | | * |
2644 | | * @package WordPress |
2645 | | * @subpackage Security |
2646 | | * @since 2.0.4 |
2647 | | * |
2648 | | * @param string $action Nonce action. |
2649 | | * @return string Are you sure message. |
2650 | | */ |
2651 | | function wp_explain_nonce( $action ) { |
2652 | | if ( $action !== -1 && preg_match( '/([a-z]+)-([a-z]+)(_(.+))?/', $action, $matches ) ) { |
2653 | | $verb = $matches[1]; |
2654 | | $noun = $matches[2]; |
2655 | | |
2656 | | $trans = array(); |
2657 | | $trans['update']['attachment'] = array( __( 'Your attempt to edit this attachment: “%s” has failed.' ), 'get_the_title' ); |
2658 | | |
2659 | | $trans['add']['category'] = array( __( 'Your attempt to add this category has failed.' ), false ); |
2660 | | $trans['delete']['category'] = array( __( 'Your attempt to delete this category: “%s” has failed.' ), 'get_cat_name' ); |
2661 | | $trans['update']['category'] = array( __( 'Your attempt to edit this category: “%s” has failed.' ), 'get_cat_name' ); |
2662 | | |
2663 | | $trans['delete']['comment'] = array( __( 'Your attempt to delete this comment: “%s” has failed.' ), 'use_id' ); |
2664 | | $trans['unapprove']['comment'] = array( __( 'Your attempt to unapprove this comment: “%s” has failed.' ), 'use_id' ); |
2665 | | $trans['approve']['comment'] = array( __( 'Your attempt to approve this comment: “%s” has failed.' ), 'use_id' ); |
2666 | | $trans['update']['comment'] = array( __( 'Your attempt to edit this comment: “%s” has failed.' ), 'use_id' ); |
2667 | | $trans['bulk']['comments'] = array( __( 'Your attempt to bulk modify comments has failed.' ), false ); |
2668 | | $trans['moderate']['comments'] = array( __( 'Your attempt to moderate comments has failed.' ), false ); |
2669 | | |
2670 | | $trans['add']['bookmark'] = array( __( 'Your attempt to add this link has failed.' ), false ); |
2671 | | $trans['delete']['bookmark'] = array( __( 'Your attempt to delete this link: “%s” has failed.' ), 'use_id' ); |
2672 | | $trans['update']['bookmark'] = array( __( 'Your attempt to edit this link: “%s” has failed.' ), 'use_id' ); |
2673 | | $trans['bulk']['bookmarks'] = array( __( 'Your attempt to bulk modify links has failed.' ), false ); |
2674 | | |
2675 | | $trans['add']['page'] = array( __( 'Your attempt to add this page has failed.' ), false ); |
2676 | | $trans['delete']['page'] = array( __( 'Your attempt to delete this page: “%s” has failed.' ), 'get_the_title' ); |
2677 | | $trans['update']['page'] = array( __( 'Your attempt to edit this page: “%s” has failed.' ), 'get_the_title' ); |
2678 | | |
2679 | | $trans['edit']['plugin'] = array( __( 'Your attempt to edit this plugin file: “%s” has failed.' ), 'use_id' ); |
2680 | | $trans['activate']['plugin'] = array( __( 'Your attempt to activate this plugin: “%s” has failed.' ), 'use_id' ); |
2681 | | $trans['deactivate']['plugin'] = array( __( 'Your attempt to deactivate this plugin: “%s” has failed.' ), 'use_id' ); |
2682 | | $trans['upgrade']['plugin'] = array( __( 'Your attempt to update this plugin: “%s” has failed.' ), 'use_id' ); |
2683 | | |
2684 | | $trans['add']['post'] = array( __( 'Your attempt to add this post has failed.' ), false ); |
2685 | | $trans['delete']['post'] = array( __( 'Your attempt to delete this post: “%s” has failed.' ), 'get_the_title' ); |
2686 | | $trans['update']['post'] = array( __( 'Your attempt to edit this post: “%s” has failed.' ), 'get_the_title' ); |
2687 | | |
2688 | | $trans['add']['user'] = array( __( 'Your attempt to add this user has failed.' ), false ); |
2689 | | $trans['delete']['users'] = array( __( 'Your attempt to delete users has failed.' ), false ); |
2690 | | $trans['bulk']['users'] = array( __( 'Your attempt to bulk modify users has failed.' ), false ); |
2691 | | $trans['update']['user'] = array( __( 'Your attempt to edit this user: “%s” has failed.' ), 'get_the_author_meta', 'display_name' ); |
2692 | | $trans['update']['profile'] = array( __( 'Your attempt to modify the profile for: “%s” has failed.' ), 'get_the_author_meta', 'display_name' ); |
2693 | | |
2694 | | $trans['update']['options'] = array( __( 'Your attempt to edit your settings has failed.' ), false ); |
2695 | | $trans['update']['permalink'] = array( __( 'Your attempt to change your permalink structure to: %s has failed.' ), 'use_id' ); |
2696 | | $trans['edit']['file'] = array( __( 'Your attempt to edit this file: “%s” has failed.' ), 'use_id' ); |
2697 | | $trans['edit']['theme'] = array( __( 'Your attempt to edit this theme file: “%s” has failed.' ), 'use_id' ); |
2698 | | $trans['switch']['theme'] = array( __( 'Your attempt to switch to this theme: “%s” has failed.' ), 'use_id' ); |
2699 | | |
2700 | | $trans['log']['out'] = array( sprintf( __( 'You are attempting to log out of %s' ), get_bloginfo( 'sitename' ) ), false ); |
2701 | | |
2702 | | if ( isset( $trans[$verb][$noun] ) ) { |
2703 | | if ( !empty( $trans[$verb][$noun][1] ) ) { |
2704 | | $lookup = $trans[$verb][$noun][1]; |
2705 | | if ( isset($trans[$verb][$noun][2]) ) |
2706 | | $lookup_value = $trans[$verb][$noun][2]; |
2707 | | $object = $matches[4]; |
2708 | | if ( 'use_id' != $lookup ) { |
2709 | | if ( isset( $lookup_value ) ) |
2710 | | $object = call_user_func( $lookup, $lookup_value, $object ); |
2711 | | else |
2712 | | $object = call_user_func( $lookup, $object ); |
2713 | | } |
2714 | | return sprintf( $trans[$verb][$noun][0], esc_html($object) ); |
2715 | | } else { |
2716 | | return $trans[$verb][$noun][0]; |
2717 | | } |
2718 | | } |
2719 | | |
2720 | | return apply_filters( 'explain_nonce_' . $verb . '-' . $noun, __( 'Are you sure you want to do this?' ), isset($matches[4]) ? $matches[4] : '' ); |
2721 | | } else { |
2722 | | return apply_filters( 'explain_nonce_' . $action, __( 'Are you sure you want to do this?' ) ); |
2723 | | } |
2724 | | } |
2725 | | |
2726 | | /** |
2727 | | * Display "Are You Sure" message to confirm the action being taken. |
2728 | | * |
2729 | | * If the action has the nonce explain message, then it will be displayed along |
2730 | | * with the "Are you sure?" message. |
2731 | | * |
2732 | | * @package WordPress |
2733 | | * @subpackage Security |
2734 | | * @since 2.0.4 |
2735 | | * |
2736 | | * @param string $action The nonce action. |
2737 | | */ |
2738 | | function wp_nonce_ays( $action ) { |
2739 | | $title = __( 'WordPress Failure Notice' ); |
2740 | | $html = esc_html( wp_explain_nonce( $action ) ); |
2741 | | if ( 'log-out' == $action ) |
2742 | | $html .= "</p><p>" . sprintf( __( "Do you really want to <a href='%s'>log out</a>?"), wp_logout_url() ); |
2743 | | elseif ( wp_get_referer() ) |
2744 | | $html .= "</p><p><a href='" . esc_url( remove_query_arg( 'updated', wp_get_referer() ) ) . "'>" . __( 'Please try again.' ) . "</a>"; |
2745 | | |
2746 | | wp_die( $html, $title, array('response' => 403) ); |
2747 | | } |
2748 | | |
2749 | | |
2750 | | /** |
2751 | | * Kill WordPress execution and display HTML message with error message. |
2752 | | * |
2753 | | * This function complements the die() PHP function. The difference is that |
2754 | | * HTML will be displayed to the user. It is recommended to use this function |
2755 | | * only, when the execution should not continue any further. It is not |
2756 | | * recommended to call this function very often and try to handle as many errors |
2757 | | * as possible silently. |
2758 | | * |
2759 | | * @since 2.0.4 |
2760 | | * |
2761 | | * @param string $message Error message. |
2762 | | * @param string $title Error title. |
2763 | | * @param string|array $args Optional arguments to control behavior. |
2764 | | */ |
2765 | | function wp_die( $message, $title = '', $args = array() ) { |
2766 | | if ( defined( 'DOING_AJAX' ) && DOING_AJAX ) |
2767 | | die('-1'); |
2768 | | |
2769 | | if ( function_exists( 'apply_filters' ) ) { |
2770 | | $function = apply_filters( 'wp_die_handler', '_default_wp_die_handler'); |
2771 | | } else { |
2772 | | $function = '_default_wp_die_handler'; |
2773 | | } |
2774 | | |
2775 | | call_user_func( $function, $message, $title, $args ); |
2776 | | } |
2777 | | |
2778 | | /** |
2779 | | * Kill WordPress execution and display HTML message with error message. |
2780 | | * |
2781 | | * This is the default handler for wp_die if you want a custom one for your |
2782 | | * site then you can overload using the wp_die_handler filter in wp_die |
2783 | | * |
2784 | | * @since 3.0.0 |
2785 | | * @access private |
2786 | | * |
2787 | | * @param string $message Error message. |
2788 | | * @param string $title Error title. |
2789 | | * @param string|array $args Optional arguments to control behavior. |
2790 | | */ |
2791 | | function _default_wp_die_handler( $message, $title = '', $args = array() ) { |
2792 | | $defaults = array( 'response' => 500 ); |
2793 | | $r = wp_parse_args($args, $defaults); |
2794 | | |
2795 | | $have_gettext = function_exists('__'); |
2796 | | |
2797 | | if ( function_exists( 'is_wp_error' ) && is_wp_error( $message ) ) { |
2798 | | if ( empty( $title ) ) { |
2799 | | $error_data = $message->get_error_data(); |
2800 | | if ( is_array( $error_data ) && isset( $error_data['title'] ) ) |
2801 | | $title = $error_data['title']; |
2802 | | } |
2803 | | $errors = $message->get_error_messages(); |
2804 | | switch ( count( $errors ) ) : |
2805 | | case 0 : |
2806 | | $message = ''; |
2807 | | break; |
2808 | | case 1 : |
2809 | | $message = "<p>{$errors[0]}</p>"; |
2810 | | break; |
2811 | | default : |
2812 | | $message = "<ul>\n\t\t<li>" . join( "</li>\n\t\t<li>", $errors ) . "</li>\n\t</ul>"; |
2813 | | break; |
2814 | | endswitch; |
2815 | | } elseif ( is_string( $message ) ) { |
2816 | | $message = "<p>$message</p>"; |
2817 | | } |
2818 | | |
2819 | | if ( isset( $r['back_link'] ) && $r['back_link'] ) { |
2820 | | $back_text = $have_gettext? __('« Back') : '« Back'; |
2821 | | $message .= "\n<p><a href='javascript:history.back()'>$back_text</a></p>"; |
2822 | | } |
2823 | | |
2824 | | if ( !function_exists( 'did_action' ) || !did_action( 'admin_head' ) ) : |
2825 | | if ( !headers_sent() ) { |
2826 | | status_header( $r['response'] ); |
2827 | | nocache_headers(); |
2828 | | header( 'Content-Type: text/html; charset=utf-8' ); |
2829 | | } |
2830 | | |
2831 | | if ( empty($title) ) |
2832 | | $title = $have_gettext ? __('WordPress › Error') : 'WordPress › Error'; |
2833 | | |
2834 | | $text_direction = 'ltr'; |
2835 | | if ( isset($r['text_direction']) && 'rtl' == $r['text_direction'] ) |
2836 | | $text_direction = 'rtl'; |
2837 | | elseif ( function_exists( 'is_rtl' ) && is_rtl() ) |
2838 | | $text_direction = 'rtl'; |
2839 | | ?> |
2840 | | <!DOCTYPE html> |
2841 | | <!-- Ticket #11289, IE bug fix: always pad the error page with enough characters such that it is greater than 512 bytes, even after gzip compression abcdefghijklmnopqrstuvwxyz1234567890aabbccddeeffgghhiijjkkllmmnnooppqqrrssttuuvvwwxxyyzz11223344556677889900abacbcbdcdcededfefegfgfhghgihihjijikjkjlklkmlmlnmnmononpopoqpqprqrqsrsrtstsubcbcdcdedefefgfabcadefbghicjkldmnoepqrfstugvwxhyz1i234j567k890laabmbccnddeoeffpgghqhiirjjksklltmmnunoovppqwqrrxsstytuuzvvw0wxx1yyz2z113223434455666777889890091abc2def3ghi4jkl5mno6pqr7stu8vwx9yz11aab2bcc3dd4ee5ff6gg7hh8ii9j0jk1kl2lmm3nnoo4p5pq6qrr7ss8tt9uuvv0wwx1x2yyzz13aba4cbcb5dcdc6dedfef8egf9gfh0ghg1ihi2hji3jik4jkj5lkl6kml7mln8mnm9ono |
2842 | | --> |
2843 | | <html xmlns="http://www.w3.org/1999/xhtml" <?php if ( function_exists( 'language_attributes' ) && function_exists( 'is_rtl' ) ) language_attributes(); else echo "dir='$text_direction'"; ?>> |
2844 | | <head> |
2845 | | <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> |
2846 | | <title><?php echo $title ?></title> |
2847 | | <style type="text/css"> |
2848 | | html { |
2849 | | background: #f9f9f9; |
2850 | | } |
2851 | | body { |
2852 | | background: #fff; |
2853 | | color: #333; |
2854 | | font-family: sans-serif; |
2855 | | margin: 2em auto; |
2856 | | padding: 1em 2em; |
2857 | | -webkit-border-radius: 3px; |
2858 | | border-radius: 3px; |
2859 | | border: 1px solid #dfdfdf; |
2860 | | max-width: 700px; |
2861 | | } |
2862 | | #error-page { |
2863 | | margin-top: 50px; |
2864 | | } |
2865 | | #error-page p { |
2866 | | font-size: 14px; |
2867 | | line-height: 1.5; |
2868 | | margin: 25px 0 20px; |
2869 | | } |
2870 | | #error-page code { |
2871 | | font-family: Consolas, Monaco, monospace; |
2872 | | } |
2873 | | ul li { |
2874 | | margin-bottom: 10px; |
2875 | | font-size: 14px ; |
2876 | | } |
2877 | | a { |
2878 | | color: #21759B; |
2879 | | text-decoration: none; |
2880 | | } |
2881 | | a:hover { |
2882 | | color: #D54E21; |
2883 | | } |
2884 | | |
2885 | | .button { |
2886 | | font-family: sans-serif; |
2887 | | text-decoration: none; |
2888 | | font-size: 14px !important; |
2889 | | line-height: 16px; |
2890 | | padding: 6px 12px; |
2891 | | cursor: pointer; |
2892 | | border: 1px solid #bbb; |
2893 | | color: #464646; |
2894 | | -webkit-border-radius: 15px; |
2895 | | border-radius: 15px; |
2896 | | -moz-box-sizing: content-box; |
2897 | | -webkit-box-sizing: content-box; |
2898 | | box-sizing: content-box; |
2899 | | } |
2900 | | |
2901 | | .button:hover { |
2902 | | color: #000; |
2903 | | border-color: #666; |
2904 | | } |
2905 | | |
2906 | | .button { |
2907 | | background: #f2f2f2 url(<?php echo wp_guess_url(); ?>/wp-admin/images/white-grad.png) repeat-x scroll left top; |
2908 | | } |
2909 | | |
2910 | | .button:active { |
2911 | | background: #eee url(<?php echo wp_guess_url(); ?>/wp-admin/images/white-grad-active.png) repeat-x scroll left top; |
2912 | | } |
2913 | | <?php if ( 'rtl' == $text_direction ) : ?> |
2914 | | body { font-family: Tahoma, Arial; } |
2915 | | <?php endif; ?> |
2916 | | </style> |
2917 | | </head> |
2918 | | <body id="error-page"> |
2919 | | <?php endif; // !function_exists( 'did_action' ) || !did_action( 'admin_head' ) ?> |
2920 | | <?php echo $message; ?> |
2921 | | </body> |
2922 | | </html> |
2923 | | <?php |
2924 | | die(); |
2925 | | } |
2926 | | |
2927 | | /** |
2928 | | * Kill WordPress execution and display XML message with error message. |
2929 | | * |
2930 | | * This is the handler for wp_die when processing XMLRPC requests. |
2931 | | * |
2932 | | * @since 3.2.0 |
2933 | | * @access private |
2934 | | * |
2935 | | * @param string $message Error message. |
2936 | | * @param string $title Error title. |
2937 | | * @param string|array $args Optional arguments to control behavior. |
2938 | | */ |
2939 | | function _xmlrpc_wp_die_handler( $message, $title = '', $args = array() ) { |
2940 | | global $wp_xmlrpc_server; |
2941 | | $defaults = array( 'response' => 500 ); |
2942 | | |
2943 | | $r = wp_parse_args($args, $defaults); |
2944 | | |
2945 | | if ( $wp_xmlrpc_server ) { |
2946 | | $error = new IXR_Error( $r['response'] , $message); |
2947 | | $wp_xmlrpc_server->output( $error->getXml() ); |
2948 | | } |
2949 | | die(); |
2950 | | } |
2951 | | |
2952 | | /** |
2953 | | * Filter to enable special wp_die handler for xmlrpc requests. |
2954 | | * |
2955 | | * @since 3.2.0 |
2956 | | * @access private |
2957 | | */ |
2958 | | function _xmlrpc_wp_die_filter() { |
2959 | | return '_xmlrpc_wp_die_handler'; |
2960 | | } |
2961 | | |
2962 | | |
2963 | | /** |
2964 | | * Retrieve the WordPress home page URL. |
2965 | | * |
2966 | | * If the constant named 'WP_HOME' exists, then it will be used and returned by |
2967 | | * the function. This can be used to counter the redirection on your local |
2968 | | * development environment. |
2969 | | * |
2970 | | * @access private |
2971 | | * @package WordPress |
2972 | | * @since 2.2.0 |
2973 | | * |
2974 | | * @param string $url URL for the home location |
2975 | | * @return string Homepage location. |
2976 | | */ |
2977 | | function _config_wp_home( $url = '' ) { |
2978 | | if ( defined( 'WP_HOME' ) ) |
2979 | | return untrailingslashit( WP_HOME ); |
2980 | | return $url; |
2981 | | } |
2982 | | |
2983 | | /** |
2984 | | * Retrieve the WordPress site URL. |
2985 | | * |
2986 | | * If the constant named 'WP_SITEURL' is defined, then the value in that |
2987 | | * constant will always be returned. This can be used for debugging a site on |
2988 | | * your localhost while not having to change the database to your URL. |
2989 | | * |
2990 | | * @access private |
2991 | | * @package WordPress |
2992 | | * @since 2.2.0 |
2993 | | * |
2994 | | * @param string $url URL to set the WordPress site location. |
2995 | | * @return string The WordPress Site URL |
2996 | | */ |
2997 | | function _config_wp_siteurl( $url = '' ) { |
2998 | | if ( defined( 'WP_SITEURL' ) ) |
2999 | | return untrailingslashit( WP_SITEURL ); |
3000 | | return $url; |
3001 | | } |
3002 | | |
3003 | | /** |
3004 | | * Set the localized direction for MCE plugin. |
3005 | | * |
3006 | | * Will only set the direction to 'rtl', if the WordPress locale has the text |
3007 | | * direction set to 'rtl'. |
3008 | | * |
3009 | | * Fills in the 'directionality', 'plugins', and 'theme_advanced_button1' array |
3010 | | * keys. These keys are then returned in the $input array. |
3011 | | * |
3012 | | * @access private |
3013 | | * @package WordPress |
3014 | | * @subpackage MCE |
3015 | | * @since 2.1.0 |
3016 | | * |
3017 | | * @param array $input MCE plugin array. |
3018 | | * @return array Direction set for 'rtl', if needed by locale. |
3019 | | */ |
3020 | | function _mce_set_direction( $input ) { |
3021 | | if ( is_rtl() ) { |
3022 | | $input['directionality'] = 'rtl'; |
3023 | | $input['plugins'] .= ',directionality'; |
3024 | | $input['theme_advanced_buttons1'] .= ',ltr'; |
3025 | | } |
3026 | | |
3027 | | return $input; |
3028 | | } |
3029 | | |
3030 | | |
3031 | | /** |
3032 | | * Convert smiley code to the icon graphic file equivalent. |
3033 | | * |
3034 | | * You can turn off smilies, by going to the write setting screen and unchecking |
3035 | | * the box, or by setting 'use_smilies' option to false or removing the option. |
3036 | | * |
3037 | | * Plugins may override the default smiley list by setting the $wpsmiliestrans |
3038 | | * to an array, with the key the code the blogger types in and the value the |
3039 | | * image file. |
3040 | | * |
3041 | | * The $wp_smiliessearch global is for the regular expression and is set each |
3042 | | * time the function is called. |
3043 | | * |
3044 | | * The full list of smilies can be found in the function and won't be listed in |
3045 | | * the description. Probably should create a Codex page for it, so that it is |
3046 | | * available. |
3047 | | * |
3048 | | * @global array $wpsmiliestrans |
3049 | | * @global array $wp_smiliessearch |
3050 | | * @since 2.2.0 |
3051 | | */ |
3052 | | function smilies_init() { |
3053 | | global $wpsmiliestrans, $wp_smiliessearch; |
3054 | | |
3055 | | // don't bother setting up smilies if they are disabled |
3056 | | if ( !get_option( 'use_smilies' ) ) |
3057 | | return; |
3058 | | |
3059 | | if ( !isset( $wpsmiliestrans ) ) { |
3060 | | $wpsmiliestrans = array( |
3061 | | ':mrgreen:' => 'icon_mrgreen.gif', |
3062 | | ':neutral:' => 'icon_neutral.gif', |
3063 | | ':twisted:' => 'icon_twisted.gif', |
3064 | | ':arrow:' => 'icon_arrow.gif', |
3065 | | ':shock:' => 'icon_eek.gif', |
3066 | | ':smile:' => 'icon_smile.gif', |
3067 | | ':???:' => 'icon_confused.gif', |
3068 | | ':cool:' => 'icon_cool.gif', |
3069 | | ':evil:' => 'icon_evil.gif', |
3070 | | ':grin:' => 'icon_biggrin.gif', |
3071 | | ':idea:' => 'icon_idea.gif', |
3072 | | ':oops:' => 'icon_redface.gif', |
3073 | | ':razz:' => 'icon_razz.gif', |
3074 | | ':roll:' => 'icon_rolleyes.gif', |
3075 | | ':wink:' => 'icon_wink.gif', |
3076 | | ':cry:' => 'icon_cry.gif', |
3077 | | ':eek:' => 'icon_surprised.gif', |
3078 | | ':lol:' => 'icon_lol.gif', |
3079 | | ':mad:' => 'icon_mad.gif', |
3080 | | ':sad:' => 'icon_sad.gif', |
3081 | | '8-)' => 'icon_cool.gif', |
3082 | | '8-O' => 'icon_eek.gif', |
3083 | | ':-(' => 'icon_sad.gif', |
3084 | | ':-)' => 'icon_smile.gif', |
3085 | | ':-?' => 'icon_confused.gif', |
3086 | | ':-D' => 'icon_biggrin.gif', |
3087 | | ':-P' => 'icon_razz.gif', |
3088 | | ':-o' => 'icon_surprised.gif', |
3089 | | ':-x' => 'icon_mad.gif', |
3090 | | ':-|' => 'icon_neutral.gif', |
3091 | | ';-)' => 'icon_wink.gif', |
3092 | | '8)' => 'icon_cool.gif', |
3093 | | '8O' => 'icon_eek.gif', |
3094 | | ':(' => 'icon_sad.gif', |
3095 | | ':)' => 'icon_smile.gif', |
3096 | | ':?' => 'icon_confused.gif', |
3097 | | ':D' => 'icon_biggrin.gif', |
3098 | | ':P' => 'icon_razz.gif', |
3099 | | ':o' => 'icon_surprised.gif', |
3100 | | ':x' => 'icon_mad.gif', |
3101 | | ':|' => 'icon_neutral.gif', |
3102 | | ';)' => 'icon_wink.gif', |
3103 | | ':!:' => 'icon_exclaim.gif', |
3104 | | ':?:' => 'icon_question.gif', |
3105 | | ); |
3106 | | } |
3107 | | |
3108 | | if (count($wpsmiliestrans) == 0) { |
3109 | | return; |
3110 | | } |
3111 | | |
3112 | | /* |
3113 | | * NOTE: we sort the smilies in reverse key order. This is to make sure |
3114 | | * we match the longest possible smilie (:???: vs :?) as the regular |
3115 | | * expression used below is first-match |
3116 | | */ |
3117 | | krsort($wpsmiliestrans); |
3118 | | |
3119 | | $wp_smiliessearch = '/(?:\s|^)'; |
3120 | | |
3121 | | $subchar = ''; |
3122 | | foreach ( (array) $wpsmiliestrans as $smiley => $img ) { |
3123 | | $firstchar = substr($smiley, 0, 1); |
3124 | | $rest = substr($smiley, 1); |
3125 | | |
3126 | | // new subpattern? |
3127 | | if ($firstchar != $subchar) { |
3128 | | if ($subchar != '') { |
3129 | | $wp_smiliessearch .= ')|(?:\s|^)'; |
3130 | | } |
3131 | | $subchar = $firstchar; |
3132 | | $wp_smiliessearch .= preg_quote($firstchar, '/') . '(?:'; |
3133 | | } else { |
3134 | | $wp_smiliessearch .= '|'; |
3135 | | } |
3136 | | $wp_smiliessearch .= preg_quote($rest, '/'); |
3137 | | } |
3138 | | |
3139 | | $wp_smiliessearch .= ')(?:\s|$)/m'; |
3140 | | } |
3141 | | |
3142 | | /** |
3143 | | * Merge user defined arguments into defaults array. |
3144 | | * |
3145 | | * This function is used throughout WordPress to allow for both string or array |
3146 | | * to be merged into another array. |
3147 | | * |
3148 | | * @since 2.2.0 |
3149 | | * |
3150 | | * @param string|array $args Value to merge with $defaults |
3151 | | * @param array $defaults Array that serves as the defaults. |
3152 | | * @return array Merged user defined values with defaults. |
3153 | | */ |
3154 | | function wp_parse_args( $args, $defaults = '' ) { |
3155 | | if ( is_object( $args ) ) |
3156 | | $r = get_object_vars( $args ); |
3157 | | elseif ( is_array( $args ) ) |
3158 | | $r =& $args; |
3159 | | else |
3160 | | wp_parse_str( $args, $r ); |
3161 | | |
3162 | | if ( is_array( $defaults ) ) |
3163 | | return array_merge( $defaults, $r ); |
3164 | | return $r; |
3165 | | } |
3166 | | |
3167 | | /** |
3168 | | * Clean up an array, comma- or space-separated list of IDs. |
3169 | | * |
3170 | | * @since 3.0.0 |
3171 | | * |
3172 | | * @param array|string $list |
3173 | | * @return array Sanitized array of IDs |
3174 | | */ |
3175 | | function wp_parse_id_list( $list ) { |
3176 | | if ( !is_array($list) ) |
3177 | | $list = preg_split('/[\s,]+/', $list); |
3178 | | |
3179 | | return array_unique(array_map('absint', $list)); |
3180 | | } |
3181 | | |
3182 | | /** |
3183 | | * Extract a slice of an array, given a list of keys. |
3184 | | * |
3185 | | * @since 3.1.0 |
3186 | | * |
3187 | | * @param array $array The original array |
3188 | | * @param array $keys The list of keys |
3189 | | * @return array The array slice |
3190 | | */ |
3191 | | function wp_array_slice_assoc( $array, $keys ) { |
3192 | | $slice = array(); |
3193 | | foreach ( $keys as $key ) |
3194 | | if ( isset( $array[ $key ] ) ) |
3195 | | $slice[ $key ] = $array[ $key ]; |
3196 | | |
3197 | | return $slice; |
3198 | | } |
3199 | | |
3200 | | /** |
3201 | | * Filters a list of objects, based on a set of key => value arguments. |
3202 | | * |
3203 | | * @since 3.0.0 |
3204 | | * |
3205 | | * @param array $list An array of objects to filter |
3206 | | * @param array $args An array of key => value arguments to match against each object |
3207 | | * @param string $operator The logical operation to perform. 'or' means only one element |
3208 | | * from the array needs to match; 'and' means all elements must match. The default is 'and'. |
3209 | | * @param bool|string $field A field from the object to place instead of the entire object |
3210 | | * @return array A list of objects or object fields |
3211 | | */ |
3212 | | function wp_filter_object_list( $list, $args = array(), $operator = 'and', $field = false ) { |
3213 | | if ( ! is_array( $list ) ) |
3214 | | return array(); |
3215 | | |
3216 | | $list = wp_list_filter( $list, $args, $operator ); |
3217 | | |
3218 | | if ( $field ) |
3219 | | $list = wp_list_pluck( $list, $field ); |
3220 | | |
3221 | | return $list; |
3222 | | } |
3223 | | |
3224 | | /** |
3225 | | * Filters a list of objects, based on a set of key => value arguments. |
3226 | | * |
3227 | | * @since 3.1.0 |
3228 | | * |
3229 | | * @param array $list An array of objects to filter |
3230 | | * @param array $args An array of key => value arguments to match against each object |
3231 | | * @param string $operator The logical operation to perform: |
3232 | | * 'AND' means all elements from the array must match; |
3233 | | * 'OR' means only one element needs to match; |
3234 | | * 'NOT' means no elements may match. |
3235 | | * The default is 'AND'. |
3236 | | * @return array |
3237 | | */ |
3238 | | function wp_list_filter( $list, $args = array(), $operator = 'AND' ) { |
3239 | | if ( ! is_array( $list ) ) |
3240 | | return array(); |
3241 | | |
3242 | | if ( empty( $args ) ) |
3243 | | return $list; |
3244 | | |
3245 | | $operator = strtoupper( $operator ); |
3246 | | $count = count( $args ); |
3247 | | $filtered = array(); |
3248 | | |
3249 | | foreach ( $list as $key => $obj ) { |
3250 | | $to_match = (array) $obj; |
3251 | | |
3252 | | $matched = 0; |
3253 | | foreach ( $args as $m_key => $m_value ) { |
3254 | | if ( $m_value == $to_match[ $m_key ] ) |
3255 | | $matched++; |
3256 | | } |
3257 | | |
3258 | | if ( ( 'AND' == $operator && $matched == $count ) |
3259 | | || ( 'OR' == $operator && $matched > 0 ) |
3260 | | || ( 'NOT' == $operator && 0 == $matched ) ) { |
3261 | | $filtered[$key] = $obj; |
3262 | | } |
3263 | | } |
3264 | | |
3265 | | return $filtered; |
3266 | | } |
3267 | | |
3268 | | /** |
3269 | | * Pluck a certain field out of each object in a list. |
3270 | | * |
3271 | | * @since 3.1.0 |
3272 | | * |
3273 | | * @param array $list A list of objects or arrays |
3274 | | * @param int|string $field A field from the object to place instead of the entire object |
3275 | | * @return array |
3276 | | */ |
3277 | | function wp_list_pluck( $list, $field ) { |
3278 | | foreach ( $list as $key => $value ) { |
3279 | | if ( is_object( $value ) ) |
3280 | | $list[ $key ] = $value->$field; |
3281 | | else |
3282 | | $list[ $key ] = $value[ $field ]; |
3283 | | } |
3284 | | |
3285 | | return $list; |
3286 | | } |
3287 | | |
3288 | | /** |
3289 | | * Determines if Widgets library should be loaded. |
3290 | | * |
3291 | | * Checks to make sure that the widgets library hasn't already been loaded. If |
3292 | | * it hasn't, then it will load the widgets library and run an action hook. |
3293 | | * |
3294 | | * @since 2.2.0 |
3295 | | * @uses add_action() Calls '_admin_menu' hook with 'wp_widgets_add_menu' value. |
3296 | | */ |
3297 | | function wp_maybe_load_widgets() { |
3298 | | if ( ! apply_filters('load_default_widgets', true) ) |
3299 | | return; |
3300 | | require_once( ABSPATH . WPINC . '/default-widgets.php' ); |
3301 | | add_action( '_admin_menu', 'wp_widgets_add_menu' ); |
3302 | | } |
3303 | | |
3304 | | /** |
3305 | | * Append the Widgets menu to the themes main menu. |
3306 | | * |
3307 | | * @since 2.2.0 |
3308 | | * @uses $submenu The administration submenu list. |
3309 | | */ |
3310 | | function wp_widgets_add_menu() { |
3311 | | global $submenu; |
3312 | | $submenu['themes.php'][7] = array( __( 'Widgets' ), 'edit_theme_options', 'widgets.php' ); |
3313 | | ksort( $submenu['themes.php'], SORT_NUMERIC ); |
3314 | | } |
3315 | | |
3316 | | /** |
3317 | | * Flush all output buffers for PHP 5.2. |
3318 | | * |
3319 | | * Make sure all output buffers are flushed before our singletons our destroyed. |
3320 | | * |
3321 | | * @since 2.2.0 |
3322 | | */ |
3323 | | function wp_ob_end_flush_all() { |
3324 | | $levels = ob_get_level(); |
3325 | | for ($i=0; $i<$levels; $i++) |
3326 | | ob_end_flush(); |
3327 | | } |
3328 | | |
3329 | | /** |
3330 | | * Load custom DB error or display WordPress DB error. |
3331 | | * |
3332 | | * If a file exists in the wp-content directory named db-error.php, then it will |
3333 | | * be loaded instead of displaying the WordPress DB error. If it is not found, |
3334 | | * then the WordPress DB error will be displayed instead. |
3335 | | * |
3336 | | * The WordPress DB error sets the HTTP status header to 500 to try to prevent |
3337 | | * search engines from caching the message. Custom DB messages should do the |
3338 | | * same. |
3339 | | * |
3340 | | * This function was backported to the the WordPress 2.3.2, but originally was |
3341 | | * added in WordPress 2.5.0. |
3342 | | * |
3343 | | * @since 2.3.2 |
3344 | | * @uses $wpdb |
3345 | | */ |
3346 | | function dead_db() { |
3347 | | global $wpdb; |
3348 | | |
3349 | | // Load custom DB error template, if present. |
3350 | | if ( file_exists( WP_CONTENT_DIR . '/db-error.php' ) ) { |
3351 | | require_once( WP_CONTENT_DIR . '/db-error.php' ); |
3352 | | die(); |
3353 | | } |
3354 | | |
3355 | | // If installing or in the admin, provide the verbose message. |
3356 | | if ( defined('WP_INSTALLING') || defined('WP_ADMIN') ) |
3357 | | wp_die($wpdb->error); |
3358 | | |
3359 | | // Otherwise, be terse. |
3360 | | status_header( 500 ); |
3361 | | nocache_headers(); |
3362 | | header( 'Content-Type: text/html; charset=utf-8' ); |
3363 | | ?> |
3364 | | <!DOCTYPE html> |
3365 | | <html xmlns="http://www.w3.org/1999/xhtml" <?php if ( function_exists( 'language_attributes' ) ) language_attributes(); ?>> |
3366 | | <head> |
3367 | | <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> |
3368 | | <title><?php echo /*WP_I18N_DB_ERROR*/'Database Error'/*/WP_I18N_DB_ERROR*/; ?></title> |
3369 | | |
3370 | | </head> |
3371 | | <body> |
3372 | | <h1><?php echo /*WP_I18N_DB_CONNECTION_ERROR*/'Error establishing a database connection'/*/WP_I18N_DB_CONNECTION_ERROR*/; ?></h1> |
3373 | | </body> |
3374 | | </html> |
3375 | | <?php |
3376 | | die(); |
3377 | | } |
3378 | | |
3379 | | /** |
3380 | | * Converts value to nonnegative integer. |
3381 | | * |
3382 | | * @since 2.5.0 |
3383 | | * |
3384 | | * @param mixed $maybeint Data you wish to have converted to a nonnegative integer |
3385 | | * @return int An nonnegative integer |
3386 | | */ |
3387 | | function absint( $maybeint ) { |
3388 | | return abs( intval( $maybeint ) ); |
3389 | | } |
3390 | | |
3391 | | /** |
3392 | | * Determines if the blog can be accessed over SSL. |
3393 | | * |
3394 | | * Determines if blog can be accessed over SSL by using cURL to access the site |
3395 | | * using the https in the siteurl. Requires cURL extension to work correctly. |
3396 | | * |
3397 | | * @since 2.5.0 |
3398 | | * |
3399 | | * @param string $url |
3400 | | * @return bool Whether SSL access is available |
3401 | | */ |
3402 | | function url_is_accessable_via_ssl($url) |
3403 | | { |
3404 | | if (in_array('curl', get_loaded_extensions())) { |
3405 | | $ssl = preg_replace( '/^http:\/\//', 'https://', $url ); |
3406 | | |
3407 | | $ch = curl_init(); |
3408 | | curl_setopt($ch, CURLOPT_URL, $ssl); |
3409 | | curl_setopt($ch, CURLOPT_FAILONERROR, true); |
3410 | | curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); |
3411 | | curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); |
3412 | | curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 5); |
3413 | | |
3414 | | curl_exec($ch); |
3415 | | |
3416 | | $status = curl_getinfo($ch, CURLINFO_HTTP_CODE); |
3417 | | curl_close ($ch); |
3418 | | |
3419 | | if ($status == 200 || $status == 401) { |
3420 | | return true; |
3421 | | } |
3422 | | } |
3423 | | return false; |
3424 | | } |
3425 | | |
3426 | | /** |
3427 | | * Marks a function as deprecated and informs when it has been used. |
3428 | | * |
3429 | | * There is a hook deprecated_function_run that will be called that can be used |
3430 | | * to get the backtrace up to what file and function called the deprecated |
3431 | | * function. |
3432 | | * |
3433 | | * The current behavior is to trigger a user error if WP_DEBUG is true. |
3434 | | * |
3435 | | * This function is to be used in every function that is deprecated. |
3436 | | * |
3437 | | * @package WordPress |
3438 | | * @subpackage Debug |
3439 | | * @since 2.5.0 |
3440 | | * @access private |
3441 | | * |
3442 | | * @uses do_action() Calls 'deprecated_function_run' and passes the function name, what to use instead, |
3443 | | * and the version the function was deprecated in. |
3444 | | * @uses apply_filters() Calls 'deprecated_function_trigger_error' and expects boolean value of true to do |
3445 | | * trigger or false to not trigger error. |
3446 | | * |
3447 | | * @param string $function The function that was called |
3448 | | * @param string $version The version of WordPress that deprecated the function |
3449 | | * @param string $replacement Optional. The function that should have been called |
3450 | | */ |
3451 | | function _deprecated_function( $function, $version, $replacement = null ) { |
3452 | | |
3453 | | do_action( 'deprecated_function_run', $function, $replacement, $version ); |
3454 | | |
3455 | | // Allow plugin to filter the output error trigger |
3456 | | if ( WP_DEBUG && apply_filters( 'deprecated_function_trigger_error', true ) ) { |
3457 | | if ( ! is_null($replacement) ) |
3458 | | trigger_error( sprintf( __('%1$s is <strong>deprecated</strong> since version %2$s! Use %3$s instead.'), $function, $version, $replacement ) ); |
3459 | | else |
3460 | | trigger_error( sprintf( __('%1$s is <strong>deprecated</strong> since version %2$s with no alternative available.'), $function, $version ) ); |
3461 | | } |
3462 | | } |
3463 | | |
3464 | | /** |
3465 | | * Marks a file as deprecated and informs when it has been used. |
3466 | | * |
3467 | | * There is a hook deprecated_file_included that will be called that can be used |
3468 | | * to get the backtrace up to what file and function included the deprecated |
3469 | | * file. |
3470 | | * |
3471 | | * The current behavior is to trigger a user error if WP_DEBUG is true. |
3472 | | * |
3473 | | * This function is to be used in every file that is deprecated. |
3474 | | * |
3475 | | * @package WordPress |
3476 | | * @subpackage Debug |
3477 | | * @since 2.5.0 |
3478 | | * @access private |
3479 | | * |
3480 | | * @uses do_action() Calls 'deprecated_file_included' and passes the file name, what to use instead, |
3481 | | * the version in which the file was deprecated, and any message regarding the change. |
3482 | | * @uses apply_filters() Calls 'deprecated_file_trigger_error' and expects boolean value of true to do |
3483 | | * trigger or false to not trigger error. |
3484 | | * |
3485 | | * @param string $file The file that was included |
3486 | | * @param string $version The version of WordPress that deprecated the file |
3487 | | * @param string $replacement Optional. The file that should have been included based on ABSPATH |
3488 | | * @param string $message Optional. A message regarding the change |
3489 | | */ |
3490 | | function _deprecated_file( $file, $version, $replacement = null, $message = '' ) { |
3491 | | |
3492 | | do_action( 'deprecated_file_included', $file, $replacement, $version, $message ); |
3493 | | |
3494 | | // Allow plugin to filter the output error trigger |
3495 | | if ( WP_DEBUG && apply_filters( 'deprecated_file_trigger_error', true ) ) { |
3496 | | $message = empty( $message ) ? '' : ' ' . $message; |
3497 | | if ( ! is_null( $replacement ) ) |
3498 | | trigger_error( sprintf( __('%1$s is <strong>deprecated</strong> since version %2$s! Use %3$s instead.'), $file, $version, $replacement ) . $message ); |
3499 | | else |
3500 | | trigger_error( sprintf( __('%1$s is <strong>deprecated</strong> since version %2$s with no alternative available.'), $file, $version ) . $message ); |
3501 | | } |
3502 | | } |
3503 | | /** |
3504 | | * Marks a function argument as deprecated and informs when it has been used. |
3505 | | * |
3506 | | * This function is to be used whenever a deprecated function argument is used. |
3507 | | * Before this function is called, the argument must be checked for whether it was |
3508 | | * used by comparing it to its default value or evaluating whether it is empty. |
3509 | | * For example: |
3510 | | * <code> |
3511 | | * if ( !empty($deprecated) ) |
3512 | | * _deprecated_argument( __FUNCTION__, '3.0' ); |
3513 | | * </code> |
3514 | | * |
3515 | | * There is a hook deprecated_argument_run that will be called that can be used |
3516 | | * to get the backtrace up to what file and function used the deprecated |
3517 | | * argument. |
3518 | | * |
3519 | | * The current behavior is to trigger a user error if WP_DEBUG is true. |
3520 | | * |
3521 | | * @package WordPress |
3522 | | * @subpackage Debug |
3523 | | * @since 3.0.0 |
3524 | | * @access private |
3525 | | * |
3526 | | * @uses do_action() Calls 'deprecated_argument_run' and passes the function name, a message on the change, |
3527 | | * and the version in which the argument was deprecated. |
3528 | | * @uses apply_filters() Calls 'deprecated_argument_trigger_error' and expects boolean value of true to do |
3529 | | * trigger or false to not trigger error. |
3530 | | * |
3531 | | * @param string $function The function that was called |
3532 | | * @param string $version The version of WordPress that deprecated the argument used |
3533 | | * @param string $message Optional. A message regarding the change. |
3534 | | */ |
3535 | | function _deprecated_argument( $function, $version, $message = null ) { |
3536 | | |
3537 | | do_action( 'deprecated_argument_run', $function, $message, $version ); |
3538 | | |
3539 | | // Allow plugin to filter the output error trigger |
3540 | | if ( WP_DEBUG && apply_filters( 'deprecated_argument_trigger_error', true ) ) { |
3541 | | if ( ! is_null( $message ) ) |
3542 | | trigger_error( sprintf( __('%1$s was called with an argument that is <strong>deprecated</strong> since version %2$s! %3$s'), $function, $version, $message ) ); |
3543 | | else |
3544 | | trigger_error( sprintf( __('%1$s was called with an argument that is <strong>deprecated</strong> since version %2$s with no alternative available.'), $function, $version ) ); |
3545 | | } |
3546 | | } |
3547 | | |
3548 | | /** |
3549 | | * Marks something as being incorrectly called. |
3550 | | * |
3551 | | * There is a hook doing_it_wrong_run that will be called that can be used |
3552 | | * to get the backtrace up to what file and function called the deprecated |
3553 | | * function. |
3554 | | * |
3555 | | * The current behavior is to trigger a user error if WP_DEBUG is true. |
3556 | | * |
3557 | | * @package WordPress |
3558 | | * @subpackage Debug |
3559 | | * @since 3.1.0 |
3560 | | * @access private |
3561 | | * |
3562 | | * @uses do_action() Calls 'doing_it_wrong_run' and passes the function arguments. |
3563 | | * @uses apply_filters() Calls 'doing_it_wrong_trigger_error' and expects boolean value of true to do |
3564 | | * trigger or false to not trigger error. |
3565 | | * |
3566 | | * @param string $function The function that was called. |
3567 | | * @param string $message A message explaining what has been done incorrectly. |
3568 | | * @param string $version The version of WordPress where the message was added. |
3569 | | */ |
3570 | | function _doing_it_wrong( $function, $message, $version ) { |
3571 | | |
3572 | | do_action( 'doing_it_wrong_run', $function, $message, $version ); |
3573 | | |
3574 | | // Allow plugin to filter the output error trigger |
3575 | | if ( WP_DEBUG && apply_filters( 'doing_it_wrong_trigger_error', true ) ) { |
3576 | | $version = is_null( $version ) ? '' : sprintf( __( '(This message was added in version %s.)' ), $version ); |
3577 | | $message .= ' ' . __( 'Please see <a href="http://codex.wordpress.org/Debugging_in_WordPress">Debugging in WordPress</a> for more information.' ); |
3578 | | trigger_error( sprintf( __( '%1$s was called <strong>incorrectly</strong>. %2$s %3$s' ), $function, $message, $version ) ); |
3579 | | } |
3580 | | } |
3581 | | |
3582 | | /** |
3583 | | * Is the server running earlier than 1.5.0 version of lighttpd? |
3584 | | * |
3585 | | * @since 2.5.0 |
3586 | | * |
3587 | | * @return bool Whether the server is running lighttpd < 1.5.0 |
3588 | | */ |
3589 | | function is_lighttpd_before_150() { |
3590 | | $server_parts = explode( '/', isset( $_SERVER['SERVER_SOFTWARE'] )? $_SERVER['SERVER_SOFTWARE'] : '' ); |
3591 | | $server_parts[1] = isset( $server_parts[1] )? $server_parts[1] : ''; |
3592 | | return 'lighttpd' == $server_parts[0] && -1 == version_compare( $server_parts[1], '1.5.0' ); |
3593 | | } |
3594 | | |
3595 | | /** |
3596 | | * Does the specified module exist in the Apache config? |
3597 | | * |
3598 | | * @since 2.5.0 |
3599 | | * |
3600 | | * @param string $mod e.g. mod_rewrite |
3601 | | * @param bool $default The default return value if the module is not found |
3602 | | * @return bool |
3603 | | */ |
3604 | | function apache_mod_loaded($mod, $default = false) { |
3605 | | global $is_apache; |
3606 | | |
3607 | | if ( !$is_apache ) |
3608 | | return false; |
3609 | | |
3610 | | if ( function_exists('apache_get_modules') ) { |
3611 | | $mods = apache_get_modules(); |
3612 | | if ( in_array($mod, $mods) ) |
3613 | | return true; |
3614 | | } elseif ( function_exists('phpinfo') ) { |
3615 | | ob_start(); |
3616 | | phpinfo(8); |
3617 | | $phpinfo = ob_get_clean(); |
3618 | | if ( false !== strpos($phpinfo, $mod) ) |
3619 | | return true; |
3620 | | } |
3621 | | return $default; |
3622 | | } |
3623 | | |
3624 | | /** |
3625 | | * Check if IIS 7 supports pretty permalinks. |
3626 | | * |
3627 | | * @since 2.8.0 |
3628 | | * |
3629 | | * @return bool |
3630 | | */ |
3631 | | function iis7_supports_permalinks() { |
3632 | | global $is_iis7; |
3633 | | |
3634 | | $supports_permalinks = false; |
3635 | | if ( $is_iis7 ) { |
3636 | | /* First we check if the DOMDocument class exists. If it does not exist, |
3637 | | * which is the case for PHP 4.X, then we cannot easily update the xml configuration file, |
3638 | | * hence we just bail out and tell user that pretty permalinks cannot be used. |
3639 | | * This is not a big issue because PHP 4.X is going to be deprecated and for IIS it |
3640 | | * is recommended to use PHP 5.X NTS. |
3641 | | * Next we check if the URL Rewrite Module 1.1 is loaded and enabled for the web site. When |
3642 | | * URL Rewrite 1.1 is loaded it always sets a server variable called 'IIS_UrlRewriteModule'. |
3643 | | * Lastly we make sure that PHP is running via FastCGI. This is important because if it runs |
3644 | | * via ISAPI then pretty permalinks will not work. |
3645 | | */ |
3646 | | $supports_permalinks = class_exists('DOMDocument') && isset($_SERVER['IIS_UrlRewriteModule']) && ( php_sapi_name() == 'cgi-fcgi' ); |
3647 | | } |
3648 | | |
3649 | | return apply_filters('iis7_supports_permalinks', $supports_permalinks); |
3650 | | } |
3651 | | |
3652 | | /** |
3653 | | * File validates against allowed set of defined rules. |
3654 | | * |
3655 | | * A return value of '1' means that the $file contains either '..' or './'. A |
3656 | | * return value of '2' means that the $file contains ':' after the first |
3657 | | * character. A return value of '3' means that the file is not in the allowed |
3658 | | * files list. |
3659 | | * |
3660 | | * @since 1.2.0 |
3661 | | * |
3662 | | * @param string $file File path. |
3663 | | * @param array $allowed_files List of allowed files. |
3664 | | * @return int 0 means nothing is wrong, greater than 0 means something was wrong. |
3665 | | */ |
3666 | | function validate_file( $file, $allowed_files = '' ) { |
3667 | | if ( false !== strpos( $file, '..' ) ) |
3668 | | return 1; |
3669 | | |
3670 | | if ( false !== strpos( $file, './' ) ) |
3671 | | return 1; |
3672 | | |
3673 | | if ( ! empty( $allowed_files ) && ! in_array( $file, $allowed_files ) ) |
3674 | | return 3; |
3675 | | |
3676 | | if (':' == substr( $file, 1, 1 ) ) |
3677 | | return 2; |
3678 | | |
3679 | | return 0; |
3680 | | } |
3681 | | |
3682 | | /** |
3683 | | * Determine if SSL is used. |
3684 | | * |
3685 | | * @since 2.6.0 |
3686 | | * |
3687 | | * @return bool True if SSL, false if not used. |
3688 | | */ |
3689 | | function is_ssl() { |
3690 | | if ( isset($_SERVER['HTTPS']) ) { |
3691 | | if ( 'on' == strtolower($_SERVER['HTTPS']) ) |
3692 | | return true; |
3693 | | if ( '1' == $_SERVER['HTTPS'] ) |
3694 | | return true; |
3695 | | } elseif ( isset($_SERVER['SERVER_PORT']) && ( '443' == $_SERVER['SERVER_PORT'] ) ) { |
3696 | | return true; |
3697 | | } |
3698 | | return false; |
3699 | | } |
3700 | | |
3701 | | /** |
3702 | | * Whether SSL login should be forced. |
3703 | | * |
3704 | | * @since 2.6.0 |
3705 | | * |
3706 | | * @param string|bool $force Optional. |
3707 | | * @return bool True if forced, false if not forced. |
3708 | | */ |
3709 | | function force_ssl_login( $force = null ) { |
3710 | | static $forced = false; |
3711 | | |
3712 | | if ( !is_null( $force ) ) { |
3713 | | $old_forced = $forced; |
3714 | | $forced = $force; |
3715 | | return $old_forced; |
3716 | | } |
3717 | | |
3718 | | return $forced; |
3719 | | } |
3720 | | |
3721 | | /** |
3722 | | * Whether to force SSL used for the Administration Screens. |
3723 | | * |
3724 | | * @since 2.6.0 |
3725 | | * |
3726 | | * @param string|bool $force |
3727 | | * @return bool True if forced, false if not forced. |
3728 | | */ |
3729 | | function force_ssl_admin( $force = null ) { |
3730 | | static $forced = false; |
3731 | | |
3732 | | if ( !is_null( $force ) ) { |
3733 | | $old_forced = $forced; |
3734 | | $forced = $force; |
3735 | | return $old_forced; |
3736 | | } |
3737 | | |
3738 | | return $forced; |
3739 | | } |
3740 | | |
3741 | | /** |
3742 | | * Guess the URL for the site. |
3743 | | * |
3744 | | * Will remove wp-admin links to retrieve only return URLs not in the wp-admin |
3745 | | * directory. |
3746 | | * |
3747 | | * @since 2.6.0 |
3748 | | * |
3749 | | * @return string |
3750 | | */ |
3751 | | function wp_guess_url() { |
3752 | | if ( defined('WP_SITEURL') && '' != WP_SITEURL ) { |
3753 | | $url = WP_SITEURL; |
3754 | | } else { |
3755 | | $schema = is_ssl() ? 'https://' : 'http://'; |
3756 | | $url = preg_replace('|/wp-admin/.*|i', '', $schema . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI']); |
3757 | | } |
3758 | | return rtrim($url, '/'); |
3759 | | } |
3760 | | |
3761 | | /** |
3762 | | * Temporarily suspend cache additions. |
3763 | | * |
3764 | | * Stops more data being added to the cache, but still allows cache retrieval. |
3765 | | * This is useful for actions, such as imports, when a lot of data would otherwise |
3766 | | * be almost uselessly added to the cache. |
3767 | | * |
3768 | | * Suspension lasts for a single page load at most. Remember to call this |
3769 | | * function again if you wish to re-enable cache adds earlier. |
3770 | | * |
3771 | | * @since 3.3.0 |
3772 | | * |
3773 | | * @param bool $suspend Optional. Suspends additions if true, re-enables them if false. |
3774 | | * @return bool The current suspend setting |
3775 | | */ |
3776 | | function wp_suspend_cache_addition( $suspend = null ) { |
3777 | | static $_suspend = false; |
3778 | | |
3779 | | if ( is_bool( $suspend ) ) |
3780 | | $_suspend = $suspend; |
3781 | | |
3782 | | return $_suspend; |
3783 | | } |
3784 | | |
3785 | | /** |
3786 | | * Suspend cache invalidation. |
3787 | | * |
3788 | | * Turns cache invalidation on and off. Useful during imports where you don't wont to do invalidations |
3789 | | * every time a post is inserted. Callers must be sure that what they are doing won't lead to an inconsistent |
3790 | | * cache when invalidation is suspended. |
3791 | | * |
3792 | | * @since 2.7.0 |
3793 | | * |
3794 | | * @param bool $suspend Whether to suspend or enable cache invalidation |
3795 | | * @return bool The current suspend setting |
3796 | | */ |
3797 | | function wp_suspend_cache_invalidation($suspend = true) { |
3798 | | global $_wp_suspend_cache_invalidation; |
3799 | | |
3800 | | $current_suspend = $_wp_suspend_cache_invalidation; |
3801 | | $_wp_suspend_cache_invalidation = $suspend; |
3802 | | return $current_suspend; |
3803 | | } |
3804 | | |
3805 | | /** |