| <?php | <?php |
| /* | /* |
| * To change this template, choose Tools | Templates | * Copyright 2010,2011 Alexander Sadleir |
| * and open the template in the editor. | |
| Licensed under the Apache License, Version 2.0 (the "License"); | |
| you may not use this file except in compliance with the License. | |
| You may obtain a copy of the License at | |
| http://www.apache.org/licenses/LICENSE-2.0 | |
| Unless required by applicable law or agreed to in writing, software | |
| distributed under the License is distributed on an "AS IS" BASIS, | |
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| See the License for the specific language governing permissions and | |
| limitations under the License. | |
| */ | */ |
| include ('include/common.inc.php'); | |
| function accept_header($header = false) { | |
| // http://jrgns.net/parse_http_accept_header | |
| $toret = null; | |
| $header = $header ? $header : (array_key_exists('HTTP_ACCEPT', $_SERVER) ? $_SERVER['HTTP_ACCEPT']: false); | |
| if ($header) { | |
| $types = explode(',', $header); | |
| $types = array_map('trim', $types); | |
| foreach ($types as $one_type) { | |
| $one_type = explode(';', $one_type); | |
| $type = array_shift($one_type); | |
| if ($type) { | |
| list($precedence, $tokens) = self::accept_header_options($one_type); | |
| list($main_type, $sub_type) = array_map('trim', explode('/', $type)); | |
| $toret[] = array('main_type' => $main_type, 'sub_type' => $sub_type, 'precedence' => (float)$precedence, 'tokens' => $tokens); | |
| } | |
| } | |
| usort($toret, array('Parser', 'compare_media_ranges')); | |
| } | |
| return $toret; | |
| } | |
| function usage() { | |
| echo "Usage notes: Must specify format json/xml. If callback is specified, will provide jsonp. Can filter with parmaters filter_class route/stop and filter_id with the id specified in GTFS." | |
| die(); | |
| } | |
| $json_types = Array("application/json","application/x-javascript","text/javascript","text/x-javascript","text/x-json"); | |
| if ($_REQUEST['json']) { | |
| if ($_REQUEST['alerts']) { | |
| $return = getServiceAlertsAsJSON($_REQUEST['filter_class'], $_REQUEST['filter_id']); | |
| } else if ($_REQUEST['updates']) { | |
| $return = getTripUpdatesAsJSON($_REQUEST['filter_class'], $_REQUEST['filter_id']); | |
| } else { | |
| usage(); | |
| } | |
| header('Content-Type: application/json; charset=utf8'); | |
| // header('Access-Control-Allow-Origin: http://bus.lambdacomplex.org/'); | |
| header('Access-Control-Max-Age: 3628800'); | |
| header('Access-Control-Allow-Methods: GET, POST, PUT, DELETE'); | |
| if (isset($_GET['callback'])) { | |
| $json = '(' . $return . ');'; //must wrap in parens and end with semicolon | |
| //print_r($_GET['callback'] . $json); //callback is prepended for json-p | |
| } | |
| else { | |
| echo $return; | |
| } | |
| } else if ($_REQUEST['xml']) { | |
| if ($_REQUEST['alerts']) { | |
| $return = getServiceAlertsAsBinary($_REQUEST['filter_class'], $_REQUEST['filter_id']); | |
| } else if ($_REQUEST['updates']) { | |
| $return = getTripUpdatesAsBinary($_REQUEST['filter_class'], $_REQUEST['filter_id']); | |
| } else { | |
| usage(); | |
| } | |
| header('Content-Type: application/json; charset=utf8'); | |
| // header('Access-Control-Allow-Origin: http://bus.lambdacomplex.org/'); | |
| header('Access-Control-Max-Age: 3628800'); | |
| header('Access-Control-Allow-Methods: GET, POST, PUT, DELETE'); | |
| echo $return; | |
| } else { | |
| usage(); | |
| } | |
| ?> | ?> |