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refactor(http)!: fix cascade dart good practices + docs

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This commit is contained in:
Hugo Pointcheval 2023-04-13 22:00:45 +02:00
parent 216a6c2aae
commit 07c2f4aeff
Signed by: hugo
GPG Key ID: 3AAC487E131E00BC
33 changed files with 303 additions and 974 deletions
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14
packages/wyatt_architecture/example/lib/core/dependency_injection/get_it.dart
View File

@ -52,13 +52,13 @@ abstract class GetItInitializer {
)
..registerLazySingleton<MiddlewareClient>(() {
final Pipeline pipeline = Pipeline()
.addMiddleware(
UriPrefixMiddleware(
protocol: Protocols.https,
authority: 'jsonplaceholder.typicode.com',
),
)
.addMiddleware(BodyToJsonMiddleware());
..addMiddleware(
const UriPrefixMiddleware(
protocol: Protocols.https,
authority: 'jsonplaceholder.typicode.com',
),
)
..addMiddleware(const BodyToJsonMiddleware());
return MiddlewareClient(pipeline: pipeline);
})
..registerLazySingleton<PhotoRemoteDataSource>(

36
packages/wyatt_http_client/README.md
View File

@ -16,12 +16,10 @@
* along with this program. If not, see <https://www.gnu.org/licenses/>.
-->
# Dart - HTTP Client
# HTTP Client
<p align="left">
<a href="https://git.wyatt-studio.fr/Wyatt-FOSS/wyatt-packages/src/branch/master/packages/wyatt_analysis">
<img src="https://img.shields.io/badge/Style-Wyatt%20Analysis-blue.svg?style=flat-square" alt="Style: Wyatt Analysis" />
</a>
<a href="https://git.wyatt-studio.fr/Wyatt-FOSS/wyatt-packages/src/branch/master/packages/wyatt_analysis"><img src="https://img.shields.io/badge/Style-Wyatt%20Analysis-blue.svg?style=flat-square" alt="Style: Wyatt Analysis" /></a>
<img src="https://img.shields.io/badge/SDK-Dart%20%7C%20Flutter-blue?style=flat-square" alt="SDK: Dart & Flutter" />
</p>
@ -52,13 +50,13 @@ For example, if you want to log every request, and simplify an url you can use p
```dart
// Create the Pipeline
final Pipeline pipeline = Pipeline()
.addMiddleware(
UriPrefixMiddleware(
..addMiddleware(
const UriPrefixMiddleware(
protocol: Protocols.http,
authority: 'localhost:80',
),
)
.addMiddleware(SimpleLoggerMiddleware());
..addMiddleware(const SimpleLoggerMiddleware());
```
Then if you print the pipeline,
@ -94,20 +92,20 @@ Let's start by creating the Pipeline:
```dart
final Pipeline pipeline = Pipeline()
.addMiddleware(
UriPrefixMiddleware(
..addMiddleware(
const UriPrefixMiddleware(
protocol: Protocols.http,
authority: 'localhost:80',
),
)
.addMiddleware(BodyToJsonMiddleware())
.addMiddleware(
UnsafeAuthMiddleware(
..addMiddleware(const BodyToJsonMiddleware())
..addMiddleware(
const UnsafeAuthMiddleware(
username: 'wyatt',
password: 'motdepasse',
),
)
.addMiddleware(SimpleLoggerMiddleware());
..addMiddleware(SimpleLoggerMiddleware());
```
Then simply create a client and make a call.
@ -128,14 +126,14 @@ So now we want a real authentication.
```dart
final Pipeline pipeline = Pipeline()
.addMiddleware(
UriPrefixMiddleware(
..addMiddleware(
const UriPrefixMiddleware(
protocol: Protocols.http,
authority: 'localhost:80',
),
)
.addMiddleware(BodyToJsonMiddleware())
.addMiddleware(
..addMiddleware(const BodyToJsonMiddleware())
..addMiddleware(
RefreshTokenAuthMiddleware(
authorizationEndpoint: '/auth/sign-in',
tokenEndpoint: '/auth/refresh',
@ -144,7 +142,7 @@ final Pipeline pipeline = Pipeline()
unauthorized: HttpStatus.forbidden,
),
)
.addMiddleware(SimpleLoggerMiddleware());
..addMiddleware(const SimpleLoggerMiddleware());
```
> Here we just change `UnsafeAuthMiddleware` by `RefreshTokenAuthMiddleware` and the whole app while adapt to a new authentication system.
@ -157,6 +155,8 @@ You can create your own middleware by implementing `Middleware` class, and use m
class SimpleLoggerMiddleware
with OnRequestMiddleware, OnResponseMiddleware
implements Middleware {
const SimpleLoggerMiddleware();
@override
String getName() => 'SimpleLogger';

294
packages/wyatt_http_client/example/http_client_example.dart
View File

@ -1,294 +0,0 @@
// Copyright (C) 2022 WYATT GROUP
// Please see the AUTHORS file for details.
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
import 'dart:async';
import 'dart:io';
import 'package:wyatt_http_client/wyatt_http_client.dart';
String lastToken = '';
int token = 0;
void printAuth(HttpRequest req) {
print(
'Authorization => '
"${req.headers.value('Authorization') ?? 'no authorization header'}",
);
}
Future<void> handleBasic(HttpRequest req) async {
printAuth(req);
}
Future<void> handleBasicNegotiate(HttpRequest req) async {
if (req.headers.value('Authorization') == null) {
req.response.statusCode = HttpStatus.unauthorized.statusCode;
req.response.headers.set(HeaderKeys.wwwAuthenticate, 'Basic realm="Wyatt"');
print(req.response.headers.value('WWW-Authenticate'));
return req.response.close();
}
printAuth(req);
}
Future<void> handleBearer(HttpRequest req) async {
printAuth(req);
}
Future<void> handleDigest(HttpRequest req) async {
if (req.headers.value('Authorization') == null) {
req.response.statusCode = HttpStatus.unauthorized.statusCode;
req.response.headers.set(
'WWW-Authenticate',
'Digest realm="Wyatt", '
'qop="auth,auth-int", '
'nonce="dcd98b7102dd2f0e8b11d0f600bfb0c093", '
'opaque="5ccc069c403ebaf9f0171e9517f40e41"',
);
print(req.response.headers.value('WWW-Authenticate'));
return req.response.close();
}
printAuth(req);
}
Future<void> handleUnsafe(HttpRequest req) async {
print(
'Query parameters => '
'${req.uri.queryParameters}',
);
}
Future<void> handleOauth2RefreshToken(HttpRequest req) async {
final action = req.uri.queryParameters['action'];
if (action == null) {
printAuth(req);
}
switch (action) {
case 'login':
if (req.method == 'POST') {
token++;
req.response.write(
'{"accessToken": "access-token-awesome$token", '
'"refreshToken": "refresh-token-awesome$token"}',
);
}
break;
case 'refresh':
printAuth(req);
if (req.method == 'GET') {
token++;
req.response.write('{"accessToken": "access-token-refreshed$token"}');
}
break;
case 'access-denied':
final String receivedToken = req.headers.value('Authorization') ?? '';
if (receivedToken != '' &&
lastToken != '' &&
receivedToken != lastToken) {
lastToken = receivedToken;
printAuth(req);
return req.response.close();
} else {
lastToken = receivedToken;
req.response.statusCode = HttpStatus.unauthorized.statusCode;
return req.response.close();
}
default:
break;
}
}
Future<void> server() async {
final server = await HttpServer.bind(InternetAddress.anyIPv6, 8080);
var error = 0;
var token = 0;
await server.forEach((request) {
print('[${request.method}] ${request.uri}');
switch (request.uri.path) {
case '/test/basic-test':
handleBasic(request);
break;
case '/test/basic-test-with-negotiate':
handleBasicNegotiate(request);
break;
case '/test/digest-test':
handleDigest(request);
break;
case '/test/apikey-test':
handleBearer(request);
break;
case '/test/bearer-test':
handleBearer(request);
break;
case '/test/unsafe-test':
handleUnsafe(request);
break;
case '/test/oauth2-test':
handleOauth2RefreshToken(request);
break;
case '/test/bearer-login':
if (request.method == 'POST') {
request.response.write('{"token": "access-token-test"}');
}
break;
case '/test/oauth2-test-error':
error++;
print('Error $error');
if (error >= 3) {
print('Authorized');
error = 0;
} else {
request.response.statusCode = HttpStatus.unauthorized.statusCode;
}
break;
case '/test/oauth2-test-timeout':
error++;
print('Error $error');
request.response.statusCode = HttpStatus.unauthorized.statusCode;
break;
case '/test/oauth2-login':
if (request.method == 'POST') {
token++;
request.response.write(
'{"accessToken": "access-token-awesome$token", '
'"refreshToken": "refresh-token-awesome$token"}',
);
}
break;
case '/test/oauth2-refresh':
print(
'Authorization => '
"${request.headers.value('Authorization') ?? 'no refresh token'}",
);
if (request.method == 'GET') {
token++;
request.response
.write('{"accessToken": "access-token-refreshed$token"}');
}
break;
case '/test/oauth2-refresh-error':
request.response.statusCode = HttpStatus.unauthorized.statusCode;
break;
default:
print(' => Unknown path or method');
request.response.statusCode = HttpStatus.notFound.statusCode;
}
request.response.close();
print('====================');
});
}
Future<void> main() async {
unawaited(server());
const base = 'localhost:8080';
final uriPrefix = UriPrefixMiddleware(
protocol: Protocols.http,
authority: base,
);
final jsonEncoder = BodyToJsonMiddleware();
final logger = SimpleLoggerMiddleware();
// Basic
final basicAuth = BasicAuthMiddleware(
username: 'username',
password: 'password',
);
final basic = MiddlewareClient(
pipeline: Pipeline.fromIterable([
uriPrefix,
basicAuth,
logger,
]),
);
await basic.get(Uri.parse('/test/basic-test'));
// Digest
final digestAuth = DigestAuthMiddleware(
username: 'Mufasa',
password: 'Circle Of Life',
);
final digest = MiddlewareClient(
pipeline: Pipeline.fromIterable([
uriPrefix,
digestAuth,
logger,
]),
);
await digest.get(Uri.parse('/test/digest-test'));
// // Bearer
// final bearer = BearerAuthenticationClient(
// token: 'access-token-test',
// inner: restClient,
// );
// await bearer.get(Uri.parse('/test/bearer-test'));
// // API Key
// final apiKey = BearerAuthenticationClient(
// token: 'awesome-api-key',
// authenticationMethod: 'ApiKey',
// inner: restClient,
// );
// await apiKey.get(Uri.parse('/test/apikey-test'));
// Unsafe URL
final unsafeAuth = UnsafeAuthMiddleware(
username: 'Mufasa',
password: 'Circle Of Life',
);
final unsafe = MiddlewareClient(
pipeline: Pipeline.fromIterable([
uriPrefix,
unsafeAuth,
logger,
]),
);
await unsafe.get(Uri.parse('/test/unsafe-test'));
// OAuth2
final refreshTokenAuth = RefreshTokenAuthMiddleware(
authorizationEndpoint: '/test/oauth2-test?action=login',
tokenEndpoint: '/test/oauth2-test?action=refresh',
accessTokenParser: (body) => body['accessToken']! as String,
refreshTokenParser: (body) => body['refreshToken']! as String,
);
final refreshToken = MiddlewareClient(
pipeline: Pipeline.fromIterable([
uriPrefix,
jsonEncoder,
refreshTokenAuth,
logger,
]),
);
await refreshToken.get(Uri.parse('/test/oauth2-test'));
// Login
await refreshToken.post(
Uri.parse('/test/oauth2-test'),
body: <String, String>{
'username': 'username',
'password': 'password',
},
);
await refreshToken.get(Uri.parse('/test/oauth2-test'));
// await refreshToken.refresh();
// await refreshToken.get(Uri.parse('/test/oauth2-test'));
// await refreshToken.get(Uri.parse('/test/oauth2-test?action=access-denied'));
exit(0);
}

371
packages/wyatt_http_client/example/http_client_fastapi_example.dart
View File

@ -1,371 +0,0 @@
// Copyright (C) 2022 WYATT GROUP
// Please see the AUTHORS file for details.
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
// ignore_for_file: public_member_api_docs, sort_constructors_first
import 'dart:convert';
import 'package:wyatt_http_client/src/middleware_client.dart';
import 'package:wyatt_http_client/src/middlewares/body_to_json_middleware.dart';
import 'package:wyatt_http_client/src/middlewares/refresh_token_auth_middleware.dart';
import 'package:wyatt_http_client/src/middlewares/simple_logger_middleware.dart';
import 'package:wyatt_http_client/src/middlewares/uri_prefix_middleware.dart';
import 'package:wyatt_http_client/src/pipeline.dart';
import 'package:wyatt_http_client/src/utils/http_status.dart';
import 'package:wyatt_http_client/src/utils/protocols.dart';
enum EmailVerificationAction {
signUp,
resetPassword,
changeEmail;
String toSnakeCase() => name.splitMapJoin(
RegExp('[A-Z]'),
onMatch: (m) => '_${m[0]?.toLowerCase()}',
onNonMatch: (n) => n,
);
factory EmailVerificationAction.fromString(String str) =>
EmailVerificationAction.values.firstWhere(
(element) => element.toSnakeCase() == str,
);
}
class VerifyCode {
final String email;
final String verificationCode;
final EmailVerificationAction action;
VerifyCode({
required this.email,
required this.verificationCode,
required this.action,
});
VerifyCode copyWith({
String? email,
String? verificationCode,
EmailVerificationAction? action,
}) =>
VerifyCode(
email: email ?? this.email,
verificationCode: verificationCode ?? this.verificationCode,
action: action ?? this.action,
);
Map<String, dynamic> toMap() => <String, dynamic>{
'email': email,
'verification_code': verificationCode,
'action': action.toSnakeCase(),
};
factory VerifyCode.fromMap(Map<String, dynamic> map) => VerifyCode(
email: map['email'] as String,
verificationCode: map['verification_code'] as String,
action: EmailVerificationAction.fromString(map['action'] as String),
);
String toJson() => json.encode(toMap());
factory VerifyCode.fromJson(String source) =>
VerifyCode.fromMap(json.decode(source) as Map<String, dynamic>);
@override
String toString() => 'VerifyCode(email: $email, verificationCode: '
'$verificationCode, action: $action)';
}
class Account {
final String email;
final String? sessionId;
Account({
required this.email,
this.sessionId,
});
Account copyWith({
String? email,
String? sessionId,
}) =>
Account(
email: email ?? this.email,
sessionId: sessionId ?? this.sessionId,
);
Map<String, dynamic> toMap() => <String, dynamic>{
'email': email,
'session_id': sessionId,
};
factory Account.fromMap(Map<String, dynamic> map) => Account(
email: map['email'] as String,
sessionId:
map['session_id'] != null ? map['session_id'] as String : null,
);
String toJson() => json.encode(toMap());
factory Account.fromJson(String source) =>
Account.fromMap(json.decode(source) as Map<String, dynamic>);
@override
String toString() => 'Account(email: $email, sessionId: $sessionId)';
}
class SignUp {
final String sessionId;
final String password;
SignUp({
required this.sessionId,
required this.password,
});
SignUp copyWith({
String? sessionId,
String? password,
}) =>
SignUp(
sessionId: sessionId ?? this.sessionId,
password: password ?? this.password,
);
Map<String, dynamic> toMap() => <String, dynamic>{
'session_id': sessionId,
'password': password,
};
factory SignUp.fromMap(Map<String, dynamic> map) => SignUp(
sessionId: map['session_id'] as String,
password: map['password'] as String,
);
String toJson() => json.encode(toMap());
factory SignUp.fromJson(String source) =>
SignUp.fromMap(json.decode(source) as Map<String, dynamic>);
@override
String toString() => 'SignUp(sessionId: $sessionId, password: $password)';
}
class TokenSuccess {
final String accessToken;
final String refreshToken;
final Account account;
TokenSuccess({
required this.accessToken,
required this.refreshToken,
required this.account,
});
TokenSuccess copyWith({
String? accessToken,
String? refreshToken,
Account? account,
}) =>
TokenSuccess(
accessToken: accessToken ?? this.accessToken,
refreshToken: refreshToken ?? this.refreshToken,
account: account ?? this.account,
);
Map<String, dynamic> toMap() => <String, dynamic>{
'access_token': accessToken,
'refresh_token': refreshToken,
'account': account.toMap(),
};
factory TokenSuccess.fromMap(Map<String, dynamic> map) => TokenSuccess(
accessToken: map['access_token'] as String,
refreshToken: map['refresh_token'] as String,
account: Account.fromMap(map['account'] as Map<String, dynamic>),
);
String toJson() => json.encode(toMap());
factory TokenSuccess.fromJson(String source) =>
TokenSuccess.fromMap(json.decode(source) as Map<String, dynamic>);
@override
String toString() => 'TokenSuccess(accessToken: $accessToken, refreshToken: '
'$refreshToken, account: $account)';
}
class Login {
final String email;
final String password;
Login({
required this.email,
required this.password,
});
Login copyWith({
String? email,
String? password,
}) =>
Login(
email: email ?? this.email,
password: password ?? this.password,
);
Map<String, dynamic> toMap() => <String, dynamic>{
'email': email,
'password': password,
};
factory Login.fromMap(Map<String, dynamic> map) => Login(
email: map['email'] as String,
password: map['password'] as String,
);
String toJson() => json.encode(toMap());
factory Login.fromJson(String source) =>
Login.fromMap(json.decode(source) as Map<String, dynamic>);
@override
String toString() => 'Login(email: $email, password: $password)';
}
class FastAPI {
final String baseUrl;
final MiddlewareClient client;
final int apiVersion;
FastAPI({
this.baseUrl = 'localhost:80',
MiddlewareClient? client,
this.apiVersion = 1,
}) : client = client ?? MiddlewareClient();
String get apiPath => '/api/v$apiVersion';
Future<void> sendSignUpCode(String email) async {
final r = await client.post(
Uri.parse('$apiPath/auth/send-sign-up-code'),
body: <String, String>{
'email': email,
},
);
if (r.statusCode != 201) {
throw Exception('Invalid reponse: ${r.statusCode}');
}
}
Future<Account> verifyCode(VerifyCode verifyCode) async {
final r = await client.post(
Uri.parse('$apiPath/auth/verify-code'),
body: verifyCode.toMap(),
);
if (r.statusCode != 202) {
throw Exception('Invalid reponse: ${r.statusCode}');
} else {
return Account.fromMap(
(jsonDecode(r.body) as Map<String, dynamic>)['account']
as Map<String, dynamic>,
);
}
}
Future<Account> signUp(SignUp signUp) async {
final r = await client.post(
Uri.parse('$apiPath/auth/sign-up'),
body: signUp.toMap(),
);
if (r.statusCode != 201) {
throw Exception('Invalid reponse: ${r.statusCode}');
} else {
return Account.fromJson(r.body);
}
}
Future<TokenSuccess> signInWithPassword(Login login) async {
final r = await client.post(
Uri.parse('$apiPath/auth/sign-in-with-password'),
body: login.toMap(),
);
if (r.statusCode != 200) {
throw Exception('Invalid reponse: ${r.statusCode}');
} else {
return TokenSuccess.fromJson(r.body);
}
}
// Future<TokenSuccess> refresh() async {
// final r = await client.refresh();
// return TokenSuccess.fromJson(r?.body ?? '');
// }
Future<List<Account>> getAccountList() async {
final r = await client.get(
Uri.parse('$apiPath/account'),
);
if (r.statusCode != 200) {
throw Exception('Invalid reponse: ${r.statusCode}');
} else {
final list = (jsonDecode(r.body) as Map<String, dynamic>)['founds']
as List<Map<String, dynamic>>;
final result = <Account>[];
for (final element in list) {
result.add(Account.fromMap(element));
}
return result;
}
}
}
void main(List<String> args) async {
final Pipeline pipeline = Pipeline()
.addMiddleware(
UriPrefixMiddleware(
protocol: Protocols.http,
authority: 'localhost:80',
),
)
.addMiddleware(BodyToJsonMiddleware())
.addMiddleware(
RefreshTokenAuthMiddleware(
authorizationEndpoint: '/api/v1/auth/sign-in-with-password',
tokenEndpoint: '/api/v1/auth/refresh',
accessTokenParser: (body) => body['access_token']! as String,
refreshTokenParser: (body) => body['refresh_token']! as String,
unauthorized: HttpStatus.forbidden,
),
)
.addMiddleware(SimpleLoggerMiddleware());
print(pipeline);
final client = MiddlewareClient(pipeline: pipeline);
final api = FastAPI(
client: client,
);
await api.sendSignUpCode('git@pcl.ovh');
// final verifiedAccount = await api.verifyCode(
// VerifyCode(
// email: 'git@pcl.ovh',
// verificationCode: '000000000',
// action: EmailVerificationAction.signUp,
// ),
// );
// final registeredAccount = await api.signUp(
// SignUp(sessionId: verifiedAccount.sessionId ?? '', password: 'password'),
// );
// final signedInAccount = await api.signInWithPassword(
// Login(email: 'git@pcl.ovh', password: 'password'),
// );
final accountList = await api.getAccountList();
print(accountList);
}

164
packages/wyatt_http_client/example/pipeline.dart
View File

@ -1,164 +0,0 @@
// ignore_for_file: public_member_api_docs, sort_constructors_first
// Copyright (C) 2022 WYATT GROUP
// Please see the AUTHORS file for details.
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
import 'package:wyatt_http_client/src/middleware_client.dart';
import 'package:wyatt_http_client/src/middlewares/body_to_json_middleware.dart';
import 'package:wyatt_http_client/src/middlewares/simple_logger_middleware.dart';
import 'package:wyatt_http_client/src/middlewares/unsafe_auth_middleware.dart';
import 'package:wyatt_http_client/src/middlewares/uri_prefix_middleware.dart';
import 'package:wyatt_http_client/src/pipeline.dart';
import 'package:wyatt_http_client/src/utils/protocols.dart';
// class RequestMutatorMiddleware implements Middleware {
// @override
// Middleware? parent;
// @override
// Middleware? child;
// RequestMutatorMiddleware({
// this.parent,
// this.child,
// });
// @override
// BaseRequest onRequest(BaseRequest request) {
// print('RequestMutator::OnRequest: ${request.method} -> ${request.url}');
// return child?.onRequest(request) ?? request;
// }
// @override
// BaseResponse onResponse(BaseResponse response) {
// final res = child?.onResponse(response) ?? response;
// print(
// 'RequestMutator::OnResponse: ${res.statusCode} -> ${res.contentLength}
// bytes',
// );
// return res;
// }
// }
// typedef Middleware = Handler Function(Handler innerHandler);
// Middleware createMiddleware({
// FutureOr<Response?> Function(Request)? requestHandler,
// FutureOr<Response> Function(Response)? responseHandler,
// FutureOr<Response> Function(Object error, StackTrace)? errorHandler,
// }) {
// requestHandler ??= (request) => null;
// responseHandler ??= (response) => response;
// FutureOr<Response> Function(Object, StackTrace)? onError;
// if (errorHandler != null) {
// onError = (error, stackTrace) {
// if (error is Exception) throw error;
// return errorHandler(error, stackTrace);
// };
// }
// return (Handler innerHandler) {
// return (request) {
// return Future.sync(() => requestHandler!(request)).then((response) {
// if (response != null) return response;
// return Future.sync(() => innerHandler(request))
// .then((response) => responseHandler!(response), onError:
// onError);
// });
// };
// };
// }
// extension MiddlewareX on Middleware {
// Middleware addMiddleware(Middleware other) =>
// (Handler handler) => this(other(handler));
// Handler addHandler(Handler handler) => this(handler);
// }
// typedef Handler = FutureOr<Response> Function(Request request);
// final headerMutator = createMiddleware(
// responseHandler: (response) {
// print(response.headers);
// return response;
// },);
// class Pipeline {
// const Pipeline();
// Pipeline addMiddleware(Middleware middleware) =>
// _Pipeline(middleware, addHandler);
// Handler addHandler(Handler handler) => handler;
// Middleware get middleware => addHandler;
// }
// class _Pipeline extends Pipeline {
// final Middleware _middleware;
// final Middleware _parent;
// _Pipeline(this._middleware, this._parent);
// @override
// Handler addHandler(Handler handler) => _parent(_middleware(handler));
// }
Future<void> main(List<String> args) async {
final UnsafeAuthMiddleware auth = UnsafeAuthMiddleware();
final Pipeline pipeline = Pipeline()
.addMiddleware(
UriPrefixMiddleware(
protocol: Protocols.http,
authority: 'localhost:80',
),
)
.addMiddleware(BodyToJsonMiddleware())
.addMiddleware(
UnsafeAuthMiddleware(
username: 'wyatt',
password: 'motdepasse',
),
)
.addMiddleware(SimpleLoggerMiddleware());
// .addMiddleware(
// RefreshTokenMiddleware(
// authorizationEndpoint: '/api/v1/account/test?action=authorize',
// tokenEndpoint: '/api/v1/account/test?action=refresh',
// accessTokenParser: (body) => body['access_token']! as String,
// refreshTokenParser: (body) => body['refresh_token']! as String,
// ),
// );
print(pipeline);
final client = MiddlewareClient(pipeline: pipeline);
await client.post(
Uri.parse('/api/v1/account/test'),
body: <String, String>{
'email': 'test@test.fr',
},
);
auth
..username = 'username'
..password = 'password';
await client.post(
Uri.parse('/api/v1/account/test'),
body: <String, String>{
'email': 'test@test.fr',
},
);
}

12
packages/wyatt_http_client/lib/src/middleware.dart
View File

@ -18,12 +18,21 @@ import 'package:wyatt_http_client/src/models/middleware_context.dart';
import 'package:wyatt_http_client/src/models/middleware_request.dart';
import 'package:wyatt_http_client/src/models/middleware_response.dart';
/// {@template middleware}
/// A middleware is a class that can intercept requests and responses
/// and modify them before they are sent to the server or before they
/// are returned to the client.
/// {@endtemplate}
abstract class Middleware {
Middleware();
/// {@macro middleware}
const Middleware();
/// The name of the middleware.
String getName();
}
mixin OnRequestMiddleware {
/// Performs an action before the request is sent to the server.
Future<MiddlewareRequest> onRequest(
MiddlewareContext context,
MiddlewareRequest request,
@ -31,6 +40,7 @@ mixin OnRequestMiddleware {
}
mixin OnResponseMiddleware {
/// Performs an action before the response is returned to the client.
Future<MiddlewareResponse> onResponse(
MiddlewareContext context,
MiddlewareResponse response,

14
packages/wyatt_http_client/lib/src/middleware_client.dart
View File

@ -24,15 +24,23 @@ import 'package:wyatt_http_client/src/models/unfreezed_request.dart';
import 'package:wyatt_http_client/src/pipeline.dart';
import 'package:wyatt_http_client/src/utils/http_methods.dart';
/// {@template middleware_client}
/// A custom [Client] implementation that allows you to intercept requests
/// and responses and modify them before they are sent to the server or
/// before they are returned to the client.
/// {@endtemplate}
class MiddlewareClient extends BaseClient {
/// {@macro middleware_client}
MiddlewareClient({
Pipeline? pipeline,
Client? inner,
}) : pipeline = pipeline ?? Pipeline(),
inner = inner ?? Client() {
print('Using Pipeline:\n$pipeline');
}
inner = inner ?? Client();
/// The [Client] that will be used to send requests.
final Client inner;
/// The [Pipeline] that will be used to intercept requests and responses.
final Pipeline pipeline;
@override

15
packages/wyatt_http_client/lib/src/middlewares/access_token_auth_middleware.dart
View File

@ -1,15 +0,0 @@
// Copyright (C) 2022 WYATT GROUP
// Please see the AUTHORS file for details.
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.

21
packages/wyatt_http_client/lib/src/middlewares/basic_auth_middleware.dart
View File

@ -22,14 +22,24 @@ import 'package:wyatt_http_client/src/models/middleware_request.dart';
import 'package:wyatt_http_client/src/utils/authentication_methods.dart';
import 'package:wyatt_http_client/src/utils/header_keys.dart';
/// {@template basic_auth_middleware}
/// A middleware that adds basic authentication to the request.
/// {@endtemplate}
class BasicAuthMiddleware with OnRequestMiddleware implements Middleware {
BasicAuthMiddleware({
/// {@macro basic_auth_middleware}
const BasicAuthMiddleware({
this.username,
this.password,
this.authenticationHeader = HeaderKeys.authorization,
});
String? username;
String? password;
/// The username to use for authentication.
final String? username;
/// The password to use for authentication.
final String? password;
/// The header to use for authentication.
final String authenticationHeader;
@override
@ -43,10 +53,7 @@ class BasicAuthMiddleware with OnRequestMiddleware implements Middleware {
if (username == null || password == null) {
return request;
}
print(
'${getName()}::OnRequest\n'
'>> Basic: ${base64Encode(utf8.encode('$username:$password'))}',
);
final mutation = {
authenticationHeader: '${AuthenticationMethods.basic} '
'${base64Encode(utf8.encode('$username:$password'))}',

11
packages/wyatt_http_client/lib/src/middlewares/body_to_json_middleware.dart
View File

@ -20,7 +20,13 @@ import 'package:wyatt_http_client/src/middleware.dart';
import 'package:wyatt_http_client/src/models/middleware_context.dart';
import 'package:wyatt_http_client/src/models/middleware_request.dart';
/// {@template body_to_json_middleware}
/// A middleware that transforms the body in json if it's a [Map].
/// {@endtemplate}
class BodyToJsonMiddleware with OnRequestMiddleware implements Middleware {
/// {@macro body_to_json_middleware}
const BodyToJsonMiddleware();
@override
String getName() => 'BodyToJson';
@ -29,11 +35,6 @@ class BodyToJsonMiddleware with OnRequestMiddleware implements Middleware {
MiddlewareContext context,
MiddlewareRequest request,
) async {
print(
'${getName()}::OnRequest\n'
'>> Transforms body in json if Map then update '
'headers with right content-type',
);
final mutation = {
'content-type': 'application/json; charset=utf-8',
};

6
packages/wyatt_http_client/lib/src/middlewares/default_middleware.dart
View File

@ -16,7 +16,13 @@
import 'package:wyatt_http_client/src/middleware.dart';
/// {@template default_middleware}
/// A default middleware that does nothing.
/// {@endtemplate}
class DefaultMiddleware implements Middleware {
/// {@macro default_middleware}
const DefaultMiddleware();
@override
String getName() => 'DefaultMiddleware';
}

12
packages/wyatt_http_client/lib/src/middlewares/digest_auth_middleware.dart
View File

@ -22,9 +22,13 @@ import 'package:wyatt_http_client/src/utils/digest_auth.dart';
import 'package:wyatt_http_client/src/utils/header_keys.dart';
import 'package:wyatt_http_client/src/utils/http_status.dart';
/// {@template digest_auth_middleware}
/// A middleware that handles digest authentication.
/// {@endtemplate}
class DigestAuthMiddleware
with OnRequestMiddleware, OnResponseMiddleware
implements Middleware {
/// {@macro digest_auth_middleware}
DigestAuthMiddleware({
required this.username,
required this.password,
@ -47,10 +51,6 @@ class DigestAuthMiddleware
MiddlewareContext context,
MiddlewareRequest request,
) async {
print(
'${getName()}::OnRequest\n'
'>> Digest ready: ${_digestAuth.isReady()}',
);
if (_digestAuth.isReady()) {
final mutation = {
authenticationHeader: _digestAuth.getAuthString(
@ -82,10 +82,6 @@ class DigestAuthMiddleware
return MiddlewareResponse(httpResponse: newResponse);
}
}
print(
'${getName()}::OnResponse\n'
'>> Digest ready: ${_digestAuth.isReady()}',
);
return response;
}
}

3
packages/wyatt_http_client/lib/src/middlewares/middlewares.dart
View File

@ -14,7 +14,8 @@
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
export 'access_token_auth_middleware.dart';
// All built-in middlewares
export 'basic_auth_middleware.dart';
export 'body_to_json_middleware.dart';
export 'default_middleware.dart';

16
packages/wyatt_http_client/lib/src/middlewares/refresh_token_auth_middleware.dart
View File

@ -28,9 +28,14 @@ import 'package:wyatt_http_client/src/utils/http_status.dart';
typedef TokenParser = String Function(Map<String, dynamic>);
/// {@template refresh_token_auth_middleware}
/// A middleware that refreshes the access token when it expires.
/// This middleware is useful for OAuth2.
/// {@endtemplate}
class RefreshTokenAuthMiddleware
with OnRequestMiddleware, OnResponseMiddleware
implements Middleware {
/// {@macro refresh_token_auth_middleware}
RefreshTokenAuthMiddleware({
required this.authorizationEndpoint,
required this.tokenEndpoint,
@ -113,11 +118,6 @@ class RefreshTokenAuthMiddleware
MiddlewareContext context,
MiddlewareRequest request,
) async {
print(
'${getName()}::OnRequest\n'
'>> accessToken: $accessToken\n'
'>> refreshToken: $refreshToken',
);
// Check if it is authorization
if (context.originalRequest?.url == Uri.parse(authorizationEndpoint)) {
return request;
@ -168,12 +168,6 @@ class RefreshTokenAuthMiddleware
}
}
print(
'${getName()}::OnResponse\n'
'>> accessToken: $accessToken\n'
'>> refreshToken: $refreshToken',
);
if (response.status == unauthorized) {
// Refresh
MiddlewareRequest? newRequest = await refresh(context);

40
packages/wyatt_http_client/lib/src/middlewares/simple_logger_middleware.dart
View File

@ -19,9 +19,15 @@ import 'package:wyatt_http_client/src/models/middleware_context.dart';
import 'package:wyatt_http_client/src/models/middleware_request.dart';
import 'package:wyatt_http_client/src/models/middleware_response.dart';
/// {@template simple_logger_middleware}
/// A simple logger middleware that logs the request and response.
/// {@endtemplate}
class SimpleLoggerMiddleware
with OnRequestMiddleware, OnResponseMiddleware
implements Middleware {
/// {@macro simple_logger_middleware}
const SimpleLoggerMiddleware();
@override
String getName() => 'SimpleLogger';
@ -30,11 +36,22 @@ class SimpleLoggerMiddleware
MiddlewareContext context,
MiddlewareRequest request,
) async {
print(
'${getName()}::OnRequest\n'
'>> ${request.method} ${request.url}\n'
'>> Headers: ${request.headers}\n>> Body: ${request.encodedBody}',
);
final log = StringBuffer()
..writeln('${getName()}::OnRequest')
..writeln('>> ${request.method} ${request.url}');
if (request.headers.isNotEmpty) {
log.writeln('>> Headers:');
request.headers.forEach((key, value) {
log.writeln('>> $key: $value');
});
}
if (request.encodedBody.isNotEmpty) {
log
..writeln('>> Body:')
..writeln(request.encodedBody);
}
print(log);
return request;
}
@ -43,12 +60,13 @@ class SimpleLoggerMiddleware
MiddlewareContext context,
MiddlewareResponse response,
) async {
print(
'${getName()}::OnResponse\n'
'>> Status: ${response.status.name.toUpperCase()}\n'
'>> Length: ${response.contentLength ?? '0'} bytes',
// '>> Body: ${response.body}',
);
final log = StringBuffer()
..writeln('${getName()}::OnResponse')
..writeln('>> Status: ${response.status.name.toUpperCase()}')
..writeln('>> Length: ${response.contentLength ?? '0'} bytes');
print(log);
return response;
}
}

15
packages/wyatt_http_client/lib/src/middlewares/unsafe_auth_middleware.dart
View File

@ -19,15 +19,20 @@ import 'package:wyatt_http_client/src/models/middleware_context.dart';
import 'package:wyatt_http_client/src/models/middleware_request.dart';
import 'package:wyatt_http_client/src/utils/convert.dart';
/// {@template unsafe_auth_middleware}
/// A middleware that appends the username and password to the URL.
///
/// This is not recommended to use in production.
/// {@endtemplate}
class UnsafeAuthMiddleware with OnRequestMiddleware implements Middleware {
UnsafeAuthMiddleware({
const UnsafeAuthMiddleware({
this.username,
this.password,
this.usernameField = 'username',
this.passwordField = 'password',
});
String? username;
String? password;
final String? username;
final String? password;
final String usernameField;
final String passwordField;
@ -45,10 +50,6 @@ class UnsafeAuthMiddleware with OnRequestMiddleware implements Middleware {
}
final Uri uri =
request.url + '?$usernameField=$username&$passwordField=$password';
print(
'${getName()}::OnRequest\n'
'>> Append: ?$usernameField=$username&$passwordField=$password',
);
request.modifyRequest(request.unfreezedRequest.copyWith(url: uri));
return request;
}

15
packages/wyatt_http_client/lib/src/middlewares/uri_prefix_middleware.dart
View File

@ -19,12 +19,20 @@ import 'package:wyatt_http_client/src/models/middleware_context.dart';
import 'package:wyatt_http_client/src/models/middleware_request.dart';
import 'package:wyatt_http_client/src/utils/protocols.dart';
/// {@template uri_prefix_middleware}
/// A middleware that adds a prefix to the request's URI.
/// {@endtemplate}
class UriPrefixMiddleware with OnRequestMiddleware implements Middleware {
UriPrefixMiddleware({
/// {@macro uri_prefix_middleware}
const UriPrefixMiddleware({
required this.protocol,
required this.authority,
});
/// The protocol of the prefix.
final Protocols protocol;
/// The authority of the prefix.
final String? authority;
@override
@ -36,11 +44,6 @@ class UriPrefixMiddleware with OnRequestMiddleware implements Middleware {
MiddlewareRequest request,
) async {
final Uri uri = Uri.parse('${protocol.scheme}$authority${request.url}');
print(
'${getName()}::OnRequest\n'
'>> From: ${request.url}\n'
'>> To: $uri',
);
request.modifyRequest(request.unfreezedRequest.copyWith(url: uri));
return request;
}

34
packages/wyatt_http_client/lib/src/models/middleware_context.dart
View File

@ -1,4 +1,3 @@
// ignore_for_file: public_member_api_docs, sort_constructors_first
// Copyright (C) 2022 WYATT GROUP
// Please see the AUTHORS file for details.
//
@ -20,15 +19,12 @@ import 'package:wyatt_http_client/src/models/middleware_request.dart';
import 'package:wyatt_http_client/src/models/middleware_response.dart';
import 'package:wyatt_http_client/src/pipeline.dart';
/// {@template middleware_context}
/// A class that contains the context of the middleware.
/// {@endtemplate}
class MiddlewareContext {
Pipeline pipeline;
MiddlewareClient client;
MiddlewareRequest? originalRequest;
MiddlewareRequest? lastRequest;
MiddlewareResponse? originalResponse;
MiddlewareResponse? lastResponse;
MiddlewareContext({
/// {@macro middleware_context}
const MiddlewareContext({
required this.pipeline,
required this.client,
this.originalRequest,
@ -37,6 +33,26 @@ class MiddlewareContext {
this.lastResponse,
});
/// The pipeline that the middleware is in.
final Pipeline pipeline;
/// The client that the middleware is in.
final MiddlewareClient client;
/// The original request that the middleware is in.
final MiddlewareRequest? originalRequest;
/// The last request that the middleware is in.
final MiddlewareRequest? lastRequest;
/// The original response that the middleware is in.
final MiddlewareResponse? originalResponse;
/// The last response that the middleware is in.
final MiddlewareResponse? lastResponse;
/// Create a copy of this [MiddlewareContext] with the given fields replaced
/// with the new values.
MiddlewareContext copyWith({
Pipeline? pipeline,
MiddlewareClient? client,

49
packages/wyatt_http_client/lib/src/models/middleware_request.dart
View File

@ -1,4 +1,3 @@
// ignore_for_file: public_member_api_docs, sort_constructors_first
// Copyright (C) 2022 WYATT GROUP
// Please see the AUTHORS file for details.
//
@ -22,24 +21,43 @@ import 'package:wyatt_http_client/src/models/unfreezed_request.dart';
import 'package:wyatt_http_client/src/utils/convert.dart';
import 'package:wyatt_http_client/src/utils/request_utils.dart';
/// {@template middleware_request}
/// A class that represents a middleware request.
/// {@endtemplate}
class MiddlewareRequest {
UnfreezedRequest unfreezedRequest;
Request _httpRequest;
Request get request => _httpRequest;
// Proxy
String get method => _httpRequest.method;
Uri get url => _httpRequest.url;
Map<String, String> get headers => _httpRequest.headers;
Encoding get encoding => _httpRequest.encoding;
String get encodedBody => _httpRequest.body;
Object? get body => unfreezedRequest.body;
/// {@macro middleware_request}
MiddlewareRequest({
required this.unfreezedRequest,
}) : _httpRequest = Request(unfreezedRequest.method, unfreezedRequest.url);
/// The unfreezed request.
UnfreezedRequest unfreezedRequest;
Request _httpRequest;
/// The http request. (Read-only)
Request get request => _httpRequest;
/// The request method (proxy, read-only).
String get method => _httpRequest.method;
/// The request url (proxy, read-only).
Uri get url => _httpRequest.url;
/// The request headers (proxy, read-only).
Map<String, String> get headers => _httpRequest.headers;
/// The request body (proxy, read-only).
Encoding get encoding => _httpRequest.encoding;
/// The request body (proxy, read-only).
String get encodedBody => _httpRequest.body;
/// The request body (proxy, read-only).
Object? get body => unfreezedRequest.body;
/// Copies this request and returns a new request with the given
/// [unfreezedRequest].
MiddlewareRequest copyWith({
UnfreezedRequest? unfreezedRequest,
}) =>
@ -47,6 +65,7 @@ class MiddlewareRequest {
unfreezedRequest: unfreezedRequest ?? this.unfreezedRequest,
);
/// Modifies the request with the given [unfreezedRequest].
void modifyRequest(UnfreezedRequest unfreezedRequest) {
String? body;
if (unfreezedRequest.body != null) {
@ -72,6 +91,8 @@ class MiddlewareRequest {
this.unfreezedRequest = unfreezedRequest;
}
/// Applies the changes made to the request by modifying it with the
/// [unfreezedRequest].
void apply() {
modifyRequest(unfreezedRequest);
}

26
packages/wyatt_http_client/lib/src/models/middleware_response.dart
View File

@ -1,4 +1,3 @@
// ignore_for_file: public_member_api_docs, sort_constructors_first
// Copyright (C) 2022 WYATT GROUP
// Please see the AUTHORS file for details.
//
@ -18,12 +17,25 @@
import 'package:http/http.dart';
import 'package:wyatt_http_client/src/utils/http_status.dart';
/// {@template middleware_response}
/// A class that represents a middleware response.
/// {@endtemplate}
class MiddlewareResponse {
BaseResponse httpResponse;
/// {@macro middleware_response}
const MiddlewareResponse({
required this.httpResponse,
});
// Proxy
/// {@macro middleware_response}
final BaseResponse httpResponse;
/// The status code of the response. (proxy)
int get statusCode => httpResponse.statusCode;
/// The status of the response. (proxy)
HttpStatus get status => HttpStatus.from(statusCode);
/// The body of the response. (proxy or empty string)
String get body {
if (httpResponse is Response) {
return (httpResponse as Response).body;
@ -32,13 +44,13 @@ class MiddlewareResponse {
}
}
/// The content length of the response. (proxy)
int? get contentLength => httpResponse.contentLength;
/// The headers of the response. (proxy)
Map<String, String> get headers => httpResponse.headers;
MiddlewareResponse({
required this.httpResponse,
});
/// Returns a copy of this response with the given [httpResponse].
MiddlewareResponse copyWith({
BaseResponse? httpResponse,
}) =>

20
packages/wyatt_http_client/lib/src/models/unfreezed_request.dart
View File

@ -16,20 +16,38 @@
import 'dart:convert';
/// {@template unfreezed_request}
/// A class that represents an unfreezed request.
/// It is used to unfreeze a Request object, and allows you to
/// modify the request before sending it.
/// {@endtemplate}
class UnfreezedRequest {
UnfreezedRequest({
/// {@macro unfreezed_request}
const UnfreezedRequest({
required this.method,
required this.url,
this.headers,
this.body,
this.encoding,
});
/// The request method.
final String method;
/// The request url.
final Uri url;
/// The request headers.
final Map<String, String>? headers;
/// The request body.
final Object? body;
/// The request encoding.
final Encoding? encoding;
/// Copies this request and returns a new request with the given [method],
/// [url], [headers], [body] and [encoding].
UnfreezedRequest copyWith({
String? method,
Uri? url,

27
packages/wyatt_http_client/lib/src/pipeline.dart
View File

@ -19,20 +19,27 @@ import 'package:wyatt_http_client/src/models/middleware_context.dart';
import 'package:wyatt_http_client/src/models/middleware_request.dart';
import 'package:wyatt_http_client/src/models/middleware_response.dart';
/// {@template pipeline}
/// A [Pipeline] is a list of [Middleware]s that are executed in order.
/// {@endtemplate}
class Pipeline {
/// {@macro pipeline}
Pipeline() : _middlewares = <Middleware>[];
/// {@macro pipeline}
Pipeline.fromIterable(Iterable<Middleware> middlewares)
: _middlewares = middlewares.toList();
final List<Middleware> _middlewares;
/// The length of the [Pipeline].
///
/// This is the number of [Middleware]s in the [Pipeline].
int get length => _middlewares.length;
/// Add a [Middleware] to this [Pipeline]
Pipeline addMiddleware(Middleware middleware) {
void addMiddleware(Middleware middleware) {
_middlewares.add(middleware);
// TODO(hpcl): use Dart cascades instead of returning this
// ignore: avoid_returning_this
return this;
}
/// Create new [Pipeline] from the start or end to a specified [Middleware].
@ -57,11 +64,15 @@ class Pipeline {
return Pipeline.fromIterable(fromEnd ? nodes.reversed : nodes);
}
/// Call the [onRequest] method of all [OnRequestMiddleware]s in the
/// [Pipeline].
///
/// The [MiddlewareRequest] returned by the last [OnRequestMiddleware] is
/// returned.
Future<MiddlewareRequest> onRequest(
MiddlewareContext context,
MiddlewareRequest request,
) async {
print('\n\nNEW REQUEST\n');
MiddlewareRequest req = request..apply();
MiddlewareContext ctx = context.copyWith(lastRequest: req);
for (final middleware in _middlewares) {
@ -73,11 +84,15 @@ class Pipeline {
return req;
}
/// Call the [onResponse] method of all [OnResponseMiddleware]s in the
/// [Pipeline].
///
/// The [MiddlewareResponse] returned by the last [OnResponseMiddleware] is
/// returned.
Future<MiddlewareResponse> onResponse(
MiddlewareContext context,
MiddlewareResponse response,
) async {
print('\n\nNEW RESPONSE\n');
MiddlewareResponse res = response;
MiddlewareContext ctx = context.copyWith(lastResponse: res);
for (final middleware in _middlewares.reversed) {

6
packages/wyatt_http_client/lib/src/utils/authentication_methods.dart
View File

@ -14,8 +14,14 @@
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
/// Defines some authentication methods
abstract class AuthenticationMethods {
/// The `Basic` authentication method.
static const String basic = 'Basic';
/// The `Bearer` authentication method.
static const String bearer = 'Bearer';
/// The `Digest` authentication method.
static const String digest = 'Digest';
}

12
packages/wyatt_http_client/lib/src/utils/convert.dart
View File

@ -16,7 +16,11 @@
import 'dart:convert';
class Convert {
/// Defines some convert functions.
abstract class Convert {
/// Converts a list of bytes to a hex string.
///
/// If [upperCase] is `true`, the hex string will be in uppercase.
static String toHex(List<int> bytes, {bool upperCase = false}) {
final buffer = StringBuffer();
for (final int part in bytes) {
@ -32,6 +36,11 @@ class Convert {
}
}
/// Converts a map to a query string.
///
/// If [encoding] is `null`, the default encoding is `utf8`.
///
/// For example, the map `{a: 1, b: 2}` will be converted to `a=1&b=2`.
static String mapToQuery(Map<String, String> map, {Encoding? encoding}) {
final pairs = <List<String>>[];
map.forEach(
@ -45,6 +54,7 @@ class Convert {
}
extension UriX on Uri {
/// Returns a new [Uri] by appending the given [path] to this [Uri].
Uri operator +(String path) {
final thisPath = toString();
return Uri.parse(thisPath + path);

3
packages/wyatt_http_client/lib/src/utils/crypto.dart
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@ -18,7 +18,8 @@ import 'dart:convert';
import 'package:crypto/crypto.dart';
class Crypto {
/// Defines some crypto functions.
abstract class Crypto {
/// Hash a string using MD5
static String md5Hash(String data) {
final content = const Utf8Encoder().convert(data);

2
packages/wyatt_http_client/lib/src/utils/delay.dart
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@ -17,7 +17,9 @@
import 'dart:core';
import 'dart:math';
/// Defines some delay functions.
abstract class Delay {
/// Returns a delay based on the [attempt].
static Duration getRetryDelay(int attempt) {
assert(attempt >= 0, 'attempt cannot be negative');
if (attempt <= 0) {

5
packages/wyatt_http_client/lib/src/utils/digest_auth.dart
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@ -19,12 +19,13 @@ import 'dart:math';
import 'package:wyatt_http_client/src/utils/convert.dart';
import 'package:wyatt_http_client/src/utils/crypto.dart';
/// A class for digest authentication.
class DigestAuth {
// request counter
DigestAuth(this.username, this.password);
String username;
String password;
final String username;
final String password;
// must get from first response
String? _algorithm;

6
packages/wyatt_http_client/lib/src/utils/header_keys.dart
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@ -14,8 +14,14 @@
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
/// Defines some header keys.
abstract class HeaderKeys {
/// The `Authorization` header key.
static const String authorization = 'Authorization';
/// The `WWW-Authenticate` header key.
static const String wwwAuthenticate = 'WWW-Authenticate';
/// The `Content-Type` header key.
static const String contentType = 'Content-Type';
}

4
packages/wyatt_http_client/lib/src/utils/http_methods.dart
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@ -14,6 +14,7 @@
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
/// Defines http verb methods.
enum HttpMethods {
head('HEAD'),
get('GET'),
@ -24,5 +25,8 @@ enum HttpMethods {
const HttpMethods(this.method);
/// Returns the method of the http verb.
///
/// For example, the method of [HttpMethods.get] is `GET`.
final String method;
}

6
packages/wyatt_http_client/lib/src/utils/http_status.dart
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@ -83,6 +83,7 @@ enum HttpStatus {
const HttpStatus(this.statusCode);
/// Returns the [HttpStatus] with the given [statusCode].
factory HttpStatus.from(int status) =>
HttpStatus.values.firstWhere((element) => element.statusCode == status);
@ -98,13 +99,18 @@ enum HttpStatus {
return false;
}
/// Checks if the status code is in the range of 100-199.
bool isInfo() => statusCode >= 100 && statusCode < 200;
/// Checks if the status code is in the range of 200-299.
bool isSuccess() => statusCode >= 200 && statusCode < 300;
/// Checks if the status code is in the range of 300-399.
bool isRedirection() => statusCode >= 300 && statusCode < 400;
/// Checks if the status code is in the range of 400-499.
bool isClientError() => statusCode >= 400 && statusCode < 500;
/// Checks if the status code is in the range of 500-599.
bool isServerError() => statusCode >= 500 && statusCode < 600;
}

4
packages/wyatt_http_client/lib/src/utils/protocols.dart
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@ -14,9 +14,13 @@
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
/// Defines few protocols
enum Protocols {
http,
https;
/// Returns the scheme of the protocol.
///
/// For example, the scheme of [Protocols.http] is `http://`.
String get scheme => '$name://';
}

6
packages/wyatt_http_client/lib/src/utils/request_utils.dart
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@ -16,6 +16,7 @@
import 'package:http/http.dart';
/// Defines some request utils.
abstract class RequestUtils {
static Request _copyNormalRequestWith(
Request original, {
@ -38,6 +39,9 @@ abstract class RequestUtils {
return request;
}
/// Copies the given [original] request and returns a new request with the
/// given [method], [url], [headers], [maxRedirects], [followRedirects],
/// [persistentConnection] and [body].
static BaseRequest copyRequestWith(
BaseRequest original, {
String? method,
@ -77,6 +81,8 @@ abstract class RequestUtils {
return request;
}
/// Copies the given [original] request and returns a new request.
/// This method is useful when you want to modify the request
static BaseRequest copyRequest(BaseRequest original) {
if (original is Request) {
return _copyNormalRequest(original);

8
packages/wyatt_http_client/pubspec.yaml
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@ -3,6 +3,8 @@ description: A Dart client for RESTful APIs with authentication.
repository: https://git.wyatt-studio.fr/Wyatt-FOSS/wyatt-packages/src/branch/master/packages/wyatt_http_client
version: 1.2.0
publish_to: https://git.wyatt-studio.fr/api/packages/Wyatt-FOSS/pub
environment:
sdk: '>=2.17.0 <3.0.0'
@ -12,7 +14,5 @@ dependencies:
dev_dependencies:
wyatt_analysis:
git:
url: https://git.wyatt-studio.fr/Wyatt-FOSS/wyatt-packages
ref: wyatt_analysis-v2.4.1
path: packages/wyatt_analysis
hosted: https://git.wyatt-studio.fr/api/packages/Wyatt-FOSS/pub
version: ^2.4.1