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Work around method parameter name lost during security SpEL evaluation in tests
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,244 @@ | ||
| import 'dart:convert'; | ||
| import 'dart:io'; | ||
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| import 'package:quiver/collection.dart'; | ||
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| const bffScheme = 'https'; | ||
| const bffHost = 'quiz.c4-soft.com'; | ||
| const bffPort = 443; | ||
| const bffUri = '$bffScheme://$bffHost:$bffPort'; | ||
| final httpClient = NetworkService(); | ||
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| class Response { | ||
| final int status; | ||
| final dynamic body; | ||
| final String? error; | ||
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| Response(this.status, this.body, this.error); | ||
| } | ||
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| abstract class HttpClientFacade { | ||
| Response get(Uri uri, {Multimap<String, String>? headers}); | ||
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| Response getJson(Uri uri, {Multimap<String, String>? headers}); | ||
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| Response post(Uri uri, dynamic body, {Multimap<String, String>? headers}); | ||
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| Response postAsJson(Uri uri, dynamic body, {Multimap<String, String>? headers}); | ||
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| Response put(Uri uri, dynamic body, {Multimap<String, String>? headers}); | ||
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| Response putAsJson(Uri uri, dynamic body, {Multimap<String, String>? headers}); | ||
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| Response delete(Uri uri, {Multimap<String, String>? headers}); | ||
| } | ||
|
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| class MobileHttpClientFacade extends HttpClientFacade { | ||
| @override | ||
| Response delete(Uri uri, {Multimap<String, String>? headers}) { | ||
| // TODO: implement delete | ||
| throw UnimplementedError(); | ||
| } | ||
|
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| @override | ||
| Response get(Uri uri, {Multimap<String, String>? headers}) { | ||
| // TODO: implement get | ||
| throw UnimplementedError(); | ||
| } | ||
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| @override | ||
| Response getJson(Uri uri, {Multimap<String, String>? headers}) { | ||
| // TODO: implement getJson | ||
| throw UnimplementedError(); | ||
| } | ||
|
|
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| @override | ||
| Response post(Uri uri, body, {Multimap<String, String>? headers}) { | ||
| // TODO: implement post | ||
| throw UnimplementedError(); | ||
| } | ||
|
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||
| @override | ||
| Response postAsJson(Uri uri, body, {Multimap<String, String>? headers}) { | ||
| // TODO: implement postAsJson | ||
| throw UnimplementedError(); | ||
| } | ||
|
|
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| @override | ||
| Response put(Uri uri, body, {Multimap<String, String>? headers}) { | ||
| // TODO: implement put | ||
| throw UnimplementedError(); | ||
| } | ||
|
|
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| @override | ||
| Response putAsJson(Uri uri, body, {Multimap<String, String>? headers}) { | ||
| // TODO: implement putAsJson | ||
| throw UnimplementedError(); | ||
| } | ||
|
|
||
| } | ||
|
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| /// <h1>Helper to handle cookies, CSRF and JSON encoding</h1> | ||
| /// <p> | ||
| /// Cookies are sent back only to the server which emitted it (not to all servers from the same domain). | ||
| /// </p> | ||
| /// <p> | ||
| /// CSRF token is read from XSRF-TOKEN cookie and set as X-XSRF-TOKEN header of | ||
| /// POST, PUT and DELET requests to the server which set the cookie. | ||
| /// </p> | ||
| class NetworkService { | ||
| /// An index of cookies by server ID (combination of host and port) | ||
| final Map<String, List<Cookie>> _cookies = {}; | ||
| final HttpClient _client = HttpClient(); | ||
| final _encoder = const JsonEncoder(); | ||
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| static Multimap<String, String> mobileOAuth2Headers() { | ||
| final mobileOAuth2Headers = Multimap<String, String>(); | ||
| mobileOAuth2Headers.add('X-RESPONSE-STATUS', 'NO_CONTENT'); | ||
| return mobileOAuth2Headers; | ||
| } | ||
|
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| /*------------------*/ | ||
| /* Public interface */ | ||
| /*------------------*/ | ||
| Future<HttpClientResponse> get(Uri uri, | ||
| {Multimap<String, String>? headers}) async { | ||
| final request = await _client.getUrl(uri); | ||
| headers?.forEach((name, value) { | ||
| request.headers.add(name, value); | ||
| }); | ||
|
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| _addStoredCookies(request); | ||
|
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| final response = await request.close(); | ||
|
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| _updateStoredCookies(response, _serverId(request)); | ||
|
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| return response; | ||
| } | ||
|
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| Future<Response> getJson(Uri uri, | ||
| {Multimap<String, String>? headers}) async { | ||
| final Multimap<String, String> headersWithAccept = | ||
| headers ?? Multimap<String, String>(); | ||
| headersWithAccept.removeAll(HttpHeaders.acceptHeader); | ||
| headersWithAccept.removeAll(HttpHeaders.acceptCharsetHeader); | ||
| headersWithAccept.add(HttpHeaders.acceptHeader, 'application/json'); | ||
| headersWithAccept.add(HttpHeaders.acceptCharsetHeader, 'utf-8'); | ||
|
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| final response = await get(uri, headers: headersWithAccept); | ||
| final stringData = await response.transform(utf8.decoder).join(); | ||
| if (response.statusCode < 200 || response.statusCode > 299) { | ||
| return Response(response.statusCode, null, stringData); | ||
| } | ||
| return Response(response.statusCode, jsonDecode(stringData), null); | ||
| } | ||
|
|
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| Future<HttpClientResponse> post(Uri uri, | ||
| {Multimap<String, String>? headers, body}) async { | ||
| final request = await _client.postUrl(uri); | ||
| return _sendStateChangingRequest(request, headers, body); | ||
| } | ||
|
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| Future<HttpClientResponse> postJson(Uri uri, dynamic body, | ||
| {Multimap<String, String>? headers}) async { | ||
| return post(uri, | ||
| headers: _withJsonContentType(headers), body: _encoder.convert(body)); | ||
| } | ||
|
|
||
| Future<HttpClientResponse> put(Uri uri, {headers, body, encoding}) async { | ||
| final request = await _client.putUrl(uri); | ||
| return _sendStateChangingRequest(request, headers, body); | ||
| } | ||
|
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| Future<HttpClientResponse> putJson(Uri uri, dynamic body, | ||
| {Multimap<String, String>? headers}) async { | ||
| return put(uri, | ||
| headers: _withJsonContentType(headers), body: _encoder.convert(body)); | ||
| } | ||
|
|
||
| Future<HttpClientResponse> delete(Uri uri, {headers}) async { | ||
| final request = await _client.deleteUrl(uri); | ||
| return _sendStateChangingRequest(request, headers, null); | ||
| } | ||
|
|
||
| /*-----------*/ | ||
| /* Internals */ | ||
| /*-----------*/ | ||
| String _serverId(HttpClientRequest request) { | ||
| return '${request.uri.host}:${request.uri.port}'; | ||
| } | ||
|
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| void _updateStoredCookies(HttpClientResponse response, String serverId) { | ||
| final cookies = response.cookies; | ||
| final now = DateTime.now(); | ||
|
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| for (final cookie in cookies) { | ||
| final domainCookies = _cookies[serverId] ?? []; | ||
| domainCookies.removeWhere((element) => | ||
| now.isAfter(cookie.expires ?? now) || | ||
| (cookie.name == element.name && | ||
| (cookie.path ?? '') == (element.path ?? ''))); | ||
| domainCookies.add(cookie); | ||
| _cookies[serverId] = domainCookies; | ||
| } | ||
| } | ||
|
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| void _addStoredCookies(HttpClientRequest request) { | ||
| final cookies = _cookies[_serverId(request)] ?? []; | ||
| final now = DateTime.now(); | ||
| cookies.removeWhere((element) => now.isAfter(element.expires ?? now)); | ||
| cookies | ||
| .where((element) => | ||
| element.path == null || | ||
| request.uri.path.contains(element.path ?? '')) | ||
| .forEach((element) { | ||
| request.cookies.add(element); | ||
| }); | ||
| } | ||
|
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| void _addCsrf(String domain, HttpHeaders headers) { | ||
| final domainCookies = _cookies[domain] ?? []; | ||
| final csrfCookie = domainCookies.firstWhere( | ||
| (element) => element.name == 'XSRF-TOKEN', | ||
| orElse: () => Cookie('XSRF-TOKEN', '')); | ||
| if (csrfCookie.value.isNotEmpty) { | ||
| headers.add('X-XSRF-TOKEN', csrfCookie.value); | ||
| } | ||
| } | ||
|
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| Future<HttpClientResponse> _sendStateChangingRequest( | ||
| HttpClientRequest request, | ||
| Multimap<String, String>? headers, | ||
| dynamic body) async { | ||
| final serverId = _serverId(request); | ||
|
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| headers?.forEach((name, value) { | ||
| request.headers.add(name, value); | ||
| }); | ||
| _addCsrf(serverId, request.headers); | ||
|
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| _addStoredCookies(request); | ||
|
|
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| if (body != null) { | ||
| request.write(body); | ||
| } | ||
|
|
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| final response = await request.close(); | ||
|
|
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| _updateStoredCookies(response, serverId); | ||
|
|
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| return response; | ||
| } | ||
|
|
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| Multimap<String, String> _withJsonContentType( | ||
| Multimap<String, String>? headers) { | ||
| final Multimap<String, String> headersWithContentType = | ||
| headers ?? Multimap<String, String>(); | ||
| headersWithContentType.removeAll(HttpHeaders.contentTypeHeader); | ||
| headersWithContentType.add( | ||
| HttpHeaders.contentTypeHeader, 'application/json; charset=utf-8'); | ||
| return headersWithContentType; | ||
| } | ||
| } |
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