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feat: add oauth2 code verifier

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* fix: ensure oauth state param matches before finishing oauth flow

Signed-off-by: Tin Pecirep <tin.pecirep@gmail.com>

* chore: upgrade openid-client to v6

Signed-off-by: Tin Pecirep <tin.pecirep@gmail.com>

* feat: use PKCE for oauth2 on supported clients

Signed-off-by: Tin Pecirep <tin.pecirep@gmail.com>

* feat: use state and PKCE in mobile app

Signed-off-by: Tin Pecirep <tin.pecirep@gmail.com>

* fix: remove obsolete oauth repository init

Signed-off-by: Tin Pecirep <tin.pecirep@gmail.com>

* fix: rewrite callback url if mobile redirect url is enabled

Signed-off-by: Tin Pecirep <tin.pecirep@gmail.com>

* fix: propagate oidc client error cause when oauth callback fails

Signed-off-by: Tin Pecirep <tin.pecirep@gmail.com>

* fix: adapt auth service tests to required state and PKCE params

Signed-off-by: Tin Pecirep <tin.pecirep@gmail.com>

* fix: update sdk types

Signed-off-by: Tin Pecirep <tin.pecirep@gmail.com>

* fix: adapt oauth e2e test to work with PKCE

Signed-off-by: Tin Pecirep <tin.pecirep@gmail.com>

* fix: allow insecure (http) oauth clients

Signed-off-by: Tin Pecirep <tin.pecirep@gmail.com>

---------

Signed-off-by: Tin Pecirep <tin.pecirep@gmail.com>
Co-authored-by: Jason Rasmussen <jason@rasm.me>
This commit is contained in:
Tin Pecirep 2025-04-23 16:05:00 +02:00 • committed by Zack Pollard
parent 13d6bd67b1
commit b7a0cf2470
18 changed files with 469 additions and 192 deletions
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33
mobile/lib/widgets/forms/login/login_form.dart
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@ -1,6 +1,9 @@
import 'dart:convert';
import 'dart:io';
import 'dart:math';
import 'package:auto_route/auto_route.dart';
import 'package:crypto/crypto.dart';
import 'package:easy_localization/easy_localization.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
@ -203,13 +206,32 @@ class LoginForm extends HookConsumerWidget {
}
}
String generateRandomString(int length) {
final random = Random.secure();
return base64Url
.encode(List<int>.generate(32, (i) => random.nextInt(256)));
}
Future<String> generatePKCECodeChallenge(String codeVerifier) async {
var bytes = utf8.encode(codeVerifier);
var digest = sha256.convert(bytes);
return base64Url.encode(digest.bytes).replaceAll('=', '');
}
oAuthLogin() async {
var oAuthService = ref.watch(oAuthServiceProvider);
String? oAuthServerUrl;
final state = generateRandomString(32);
final codeVerifier = generateRandomString(64);
final codeChallenge = await generatePKCECodeChallenge(codeVerifier);
try {
oAuthServerUrl = await oAuthService
.getOAuthServerUrl(sanitizeUrl(serverEndpointController.text));
oAuthServerUrl = await oAuthService.getOAuthServerUrl(
sanitizeUrl(serverEndpointController.text),
state,
codeChallenge,
);
isLoading.value = true;
@ -230,8 +252,11 @@ class LoginForm extends HookConsumerWidget {
if (oAuthServerUrl != null) {
try {
final loginResponseDto =
await oAuthService.oAuthLogin(oAuthServerUrl);
final loginResponseDto = await oAuthService.oAuthLogin(
oAuthServerUrl,
state,
codeVerifier,
);
if (loginResponseDto == null) {
return;