fix: add oauth client config for legacy mobile config (#1578)

* fix: add oauth client config for legacy mobile config

* PR feedback updates

Author: Amplifiyer

.changeset/few-needles-fix.md

@@ -0,0 +1,5 @@
+---
+'@aws-amplify/client-config': patch
+---
+
+fix: add oauth client config for legacy mobile config

package-lock.json

@@ -32,6 +32,16 @@ export type ClientConfigMobileAppsyncAuth = {
   ClientDatabasePrefix: string | undefined;
 };
 
+// Reference: https://github.com/aws-amplify/amplify-cli/blob/80a596498584d3f9bfeb0ffbde4a0d4256f971eb/packages/amplify-frontend-ios/lib/frontend-config-creator.js#L243-L255
+// Note that AppClientSecret is not here since we don't collect it in Gen2
+export type ClientConfigMobileAuthOAuthConfig = {
+  WebDomain: string | undefined;
+  Scopes: Array<string> | undefined;
+  SignInRedirectURI: string | undefined;
+  SignOutRedirectURI: string | undefined;
+  AppClientId: string | undefined;
+};
+
 export type ClientConfigMobileAuth = {
   plugins: {
     awsCognitoAuthPlugin: {
@@ -64,6 +74,7 @@ export type ClientConfigMobileAuth = {
           signupAttributes: Array<string>;
           usernameAttributes: Array<string>;
           verificationMechanisms: Array<string>;
+          OAuth?: ClientConfigMobileAuthOAuthConfig;
         };
       };
       AppSync?: {

packages/client-config/src/client-config-types/mobile/client_config_mobile_types.ts

@@ -37,6 +37,14 @@ void describe('client config converter', () => {
       ],
       aws_cognito_mfa_configuration: 'test_mfa_configuration',
       aws_cognito_mfa_types: ['test_mfa_type_1', 'test_mfa_type_2'],
+
+      oauth: {
+        clientId: 'test_client_id',
+        domain: 'test_domain',
+        scope: ['test_scope_1', 'test_scope_2'],
+        redirectSignIn: 'test_redirect_sign_in',
+        redirectSignOut: 'test_redirect_sign_out',
+      },
     };
     const expectedMobileConfig: ClientConfigMobile = {
       UserAgent: expectedUserAgent,
@@ -82,6 +90,13 @@ void describe('client config converter', () => {
                   'test_verification_mechanism_1',
                   'test_verification_mechanism_2',
                 ],
+                OAuth: {
+                  WebDomain: 'test_domain',
+                  AppClientId: 'test_client_id',
+                  Scopes: ['test_scope_1', 'test_scope_2'],
+                  SignInRedirectURI: 'test_redirect_sign_in',
+                  SignOutRedirectURI: 'test_redirect_sign_out',
+                },
               },
             },
           },

packages/client-config/src/client-config-writer/client_config_to_mobile_legacy_converter.test.ts

@@ -74,6 +74,15 @@ export class ClientConfigMobileConverter {
           },
         },
       };
+      if (clientConfig.oauth) {
+        authConfig.plugins.awsCognitoAuthPlugin.Auth.Default.OAuth = {
+          WebDomain: clientConfig.oauth.domain,
+          Scopes: clientConfig.oauth.scope,
+          SignInRedirectURI: clientConfig.oauth.redirectSignIn,
+          SignOutRedirectURI: clientConfig.oauth.redirectSignOut,
+          AppClientId: clientConfig.oauth.clientId,
+        };
+      }
       mobileConfig.auth = authConfig;
     }