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feat: implement resource owner password grant

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This commit is contained in:
Udhay-Adithya
2025-07-21 00:40:28 +05:30
parent 1089403467
commit 6391443d09
2 changed files with 78 additions and 10 deletions
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68
packages/better_networking/lib/utils/auth/oauth2_utils.dart
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@@ -76,7 +76,7 @@ Future<oauth2.Client> oAuth2AuthorizationCodeGrantHandler({
}
}
Future<oauth2.Client> oAuth2ClientCredentialsHandler({
Future<oauth2.Client> oAuth2ClientCredentialsGrantHandler({
required AuthOAuth2Model oauth2Model,
required File credentialsFile,
}) async {
@@ -88,12 +88,10 @@ Future<oauth2.Client> oAuth2ClientCredentialsHandler({
if (credentials.accessToken.isNotEmpty && !credentials.isExpired) {
log('Using existing valid credentials');
// TODO: This adds the client_id parameter to the body instead of the header
return oauth2.clientCredentialsGrant(
Uri.parse(oauth2Model.authorizationUrl),
oauth2Model.clientId,
oauth2Model.clientSecret,
scopes: oauth2Model.scope != null ? [oauth2Model.scope!] : null,
return oauth2.Client(
credentials,
identifier: oauth2Model.clientId,
secret: oauth2Model.clientSecret,
);
}
} catch (e) {
@@ -109,6 +107,62 @@ Future<oauth2.Client> oAuth2ClientCredentialsHandler({
oauth2Model.clientId,
oauth2Model.clientSecret,
scopes: oauth2Model.scope != null ? [oauth2Model.scope!] : null,
basicAuth: false,
);
log("Created Client with id: ${client.identifier}");
log("Created Client with sec: ${client.secret}");
log("Created Client with sec: ${client.credentials.toJson()}");
log('Successfully authenticated via client credentials grant');
try {
await credentialsFile.writeAsString(client.credentials.toJson());
log('Saved credentials to file');
} catch (e) {
log('Failed to save credentials: $e');
}
return client;
}
Future<oauth2.Client> oAuth2ResourceOwnerPasswordGrantHandler({
required AuthOAuth2Model oauth2Model,
required File credentialsFile,
}) async {
// Try to use saved credentials
if (await credentialsFile.exists()) {
try {
final json = await credentialsFile.readAsString();
final credentials = oauth2.Credentials.fromJson(json);
if (credentials.accessToken.isNotEmpty && !credentials.isExpired) {
log('Using existing valid credentials');
return oauth2.Client(
credentials,
identifier: oauth2Model.clientId,
secret: oauth2Model.clientSecret,
);
}
} catch (e) {
log('Error reading existing credentials: $e');
}
}
if ((oauth2Model.username == null || oauth2Model.username!.isEmpty) ||
(oauth2Model.password == null || oauth2Model.password!.isEmpty)) {
throw Exception("Username or Password cannot be empty");
}
log("Creating Client with id: ${oauth2Model.clientId}");
log("Creating Client with sec: ${oauth2Model.clientSecret}");
// Otherwise, perform the owner password grant
final client = await oauth2.resourceOwnerPasswordGrant(
Uri.parse(oauth2Model.authorizationUrl),
oauth2Model.username!,
oauth2Model.password!,
identifier: oauth2Model.clientId,
secret: oauth2Model.clientSecret,
scopes: oauth2Model.scope != null ? [oauth2Model.scope!] : null,
basicAuth: false,
);
log("Created Client with id: ${client.identifier}");
log("Created Client with sec: ${client.secret}");