| commit | author | age | ||
| eafc1c | 1 | <?php |
| JK | 2 | function is_number($str) { |
| 3 | $str = (string)$str; | |
| 4 | ||
| 5 | return | |
| 6 | ctype_digit($str) | |
| 7 | OR | |
| 8 | ( | |
| 9 | substr($str, 0, 1) == '-' | |
| 10 | AND | |
| 11 | ctype_digit(substr($str, 1)) | |
| 12 | ); | |
| 13 | } | |
| 14 | ||
| 15 | $base_proxy = 'http://www.ttss.krakow.pl/internetservice'; | |
| 16 | $method = [ | |
| 17 | '/services/lookup/autocomplete/json' => [ | |
| 18 | 'query' => function() { return TRUE; }, | |
| 19 | ], | |
| 20 | '/services/passageInfo/stopPassages/stop' => [ | |
| 21 | 'stop' => 'ctype_alnum', | |
| 22 | 'mode' => function($mode) { return in_array($mode, ['arrival', 'departure']); }, | |
| 23 | #'startTime' => 'ctype_digit', | |
| 24 | #'timeFrame' => 'ctype_digit', | |
| 25 | ], | |
| 26 | '/services/passageInfo/stopPassages/stopPoint' => [ | |
| 27 | 'stopPoint' => 'is_number', | |
| 28 | 'mode' => function($mode) { return in_array($mode, ['arrival', 'departure']); }, | |
| 29 | #'startTime' => 'ctype_digit', | |
| 30 | #'timeFrame' => 'ctype_digit', | |
| 31 | ], | |
| 32 | '/services/tripInfo/tripPassages' => [ | |
| 33 | 'tripId' => 'ctype_digit', | |
| 34 | 'mode' => function($mode) { return in_array($mode, ['arrival', 'departure']); }, | |
| 35 | #'vehicleId' => 'ctype_digit', | |
| 36 | ], | |
| 37 | '/services/routeInfo/routeStops' => [ | |
| 38 | 'routeId' => 'ctype_alnum', | |
| 39 | ], | |
| 40 | '/services/stopInfo/stop' => [ | |
| 41 | 'stop' => 'is_number', | |
| 42 | ], | |
| 43 | '/services/stopInfo/stopPoint' => [ | |
| 44 | 'stopPoint' => 'is_number', | |
| 45 | ], | |
| 46 | ||
| 47 | '/geoserviceDispatcher/services/stopinfo/stops' => [ | |
| 48 | 'left' => 'is_number', | |
| 49 | 'bottom' => 'is_number', | |
| 50 | 'right' => 'is_number', | |
| 51 | 'top' => 'is_number', | |
| 52 | ], | |
| 53 | '/geoserviceDispatcher/services/stopinfo/stopPoints' => [ | |
| 54 | 'left' => 'is_number', | |
| 55 | 'bottom' => 'is_number', | |
| 56 | 'right' => 'is_number', | |
| 57 | 'top' => 'is_number', | |
| 58 | ], | |
| 59 | '/geoserviceDispatcher/services/pathinfo/route' => [ | |
| 60 | 'id' => 'is_number', | |
| 61 | 'direction' => 'is_number', | |
| 62 | ], | |
| 63 | '/geoserviceDispatcher/services/pathinfo/vehicle' => [ | |
| 64 | 'id' => 'is_number', | |
| 65 | ], | |
| 66 | '/geoserviceDispatcher/services/vehicleinfo/vehicles' => [ | |
| 67 | 'lastUpdate' => 'ctype_digit', | |
| 68 | 'positionType' => function($type) { return in_array($type, ['CORRECTED']); }, | |
| 69 | 'colorType' => function($type) { return in_array($type, ['ROUTE_BASED']); }, | |
| 70 | ], | |
| 71 | ]; | |
| 72 | $rewrite = [ | |
| 73 | '/lookup/autocomplete/json' => '/services/lookup/autocomplete/json', | |
| 74 | '/passageInfo/stopPassages/stop' => '/services/passageInfo/stopPassages/stop', | |
| 75 | '/routeInfo/routeStops' => '/services/routeInfo/routeStops', | |
| 76 | '/internetservice/geoserviceDispatcher/services/pathinfo/vehicle' => '/geoserviceDispatcher/services/pathinfo/vehicle', | |
| 77 | ]; | |
| 78 | ||
| 79 | $path = $_SERVER['PATH_INFO']; | |
| 80 | ||
| 81 | if(isset($rewrite[$path])) { | |
| 82 | $path = $rewrite[$path]; | |
| 83 | } | |
| 84 | ||
| 85 | if(!isset($method[$path])) { | |
| 86 | header('HTTP/1.1 403 Forbidden'); | |
| 87 | die('Forbidden'); | |
| 88 | } | |
| 89 | ||
| 90 | $parameters = []; | |
| 91 | ||
| 92 | foreach($method[$path] as $name => $filter) { | |
| 93 | if(!isset($_GET[$name])) { | |
| 94 | header('HTTP/1.1 403 Forbidden'); | |
| 95 | die('Parameter '.$name.' is required'); | |
| 96 | } | |
| 97 | ||
| 98 | if(!$filter($_GET[$name])) { | |
| 99 | header('HTTP/1.1 403 Forbidden'); | |
| 100 | die('Parameter '.$name.' has invalid value'); | |
| 101 | } | |
| 102 | ||
| 103 | $parameters[$name] = $_GET[$name]; | |
| 104 | } | |
| 105 | ||
| 106 | $result = @file_get_contents($base_proxy . $path . '?' . http_build_query($parameters)); | |
| 107 | if(!$result OR $http_response_header[0] != 'HTTP/1.1 200 OK') { | |
| 108 | header('HTTP/1.1 503 Service Unavailable'); | |
| 109 | if(isset($http_response_header[0])) { | |
| 110 | die($http_response_header[0]); | |
| 111 | } else { | |
| 112 | die('Unknown error'); | |
| 113 | } | |
| 114 | } | |
| 115 | ||
| 116 | header('Content-Type: application/json'); | |
| 117 | echo $result; | |
