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50 changes: 19 additions & 31 deletions app/lib/service/openid/openid_utils.dart
Original file line number Diff line number Diff line change
Expand Up @@ -13,38 +13,26 @@ import 'openid_models.dart';
Future<OpenIdData> fetchOpenIdData({
required String configurationUrl,
}) async {
final client = httpRetryClient();
try {
final configUri = Uri.parse(configurationUrl);
if (!envConfig.isRunningLocally && configUri.scheme != 'https') {
throw AssertionError(
'OpenID configuration URL must use `https` protocol, was: `$configurationUrl`.');
}
final providerRs = await client.get(configUri);
if (providerRs.statusCode != 200) {
throw Exception(
'Unexpected status code ${providerRs.statusCode} while fetching $configUri');
}
final providerData = json.decode(providerRs.body) as Map<String, dynamic>;
final provider = OpenIdProvider.fromJson(providerData);
final jwksUri = Uri.parse(provider.jwksUri);
if (!envConfig.isRunningLocally && jwksUri.scheme != 'https') {
throw AssertionError(
'JWKS URL must use `https` protocol, was: `$jwksUri`.');
}
final jwksRs = await client.get(jwksUri);
if (jwksRs.statusCode != 200) {
throw Exception(
'Unexpected status code ${jwksRs.statusCode} while fetching $jwksUri');
}
final jwksData = json.decode(jwksRs.body) as Map<String, dynamic>;
return OpenIdData(
provider: provider,
jwks: JsonWebKeyList.fromJson(jwksData),
);
} finally {
client.close();
final configUri = Uri.parse(configurationUrl);
if (!envConfig.isRunningLocally && configUri.scheme != 'https') {
throw AssertionError(
'OpenID configuration URL must use `https` protocol, was: `$configurationUrl`.');
}
final providerBody =
await httpGetWithRetry(configUri, responseFn: (rs) => rs.body);
final providerData = json.decode(providerBody) as Map<String, dynamic>;
final provider = OpenIdProvider.fromJson(providerData);
final jwksUri = Uri.parse(provider.jwksUri);
if (!envConfig.isRunningLocally && jwksUri.scheme != 'https') {
throw AssertionError(
'JWKS URL must use `https` protocol, was: `$jwksUri`.');
}
final jwksBody = await httpGetWithRetry(jwksUri, responseFn: (rs) => rs.body);
final jwksData = json.decode(jwksBody) as Map<String, dynamic>;
return OpenIdData(
provider: provider,
jwks: JsonWebKeyList.fromJson(jwksData),
);
}

String parseAsString(Map<String, dynamic> map, String key) {
Expand Down