FormidableLabs · kadikraman · Feb 8, 2018 · Feb 8, 2018 · Feb 8, 2018 · Feb 8, 2018
diff --git a/README.md b/README.md
@@ -54,6 +54,16 @@ const result = await appAuth.authorize(scopes);
 // returns accessToken, accessTokenExpirationDate and refreshToken
 ```
 
+#### config
+
+This is your configuration object for the client
+- **issuer**: (`string`) *REQUIRED* the url of the auth server
+- **clientId**: (`string`) *REQUIRED* your client id on the auth server
+- **redirectUrl**: (`string`) *REQUIRED* the url that links back to your app with the auth code
+- **additionalParameters**: (`object` | `null`) additional parameters that will be passed in the authorization request.
+Must be string values! E.g. setting `additionalParameters: { hello: 'world', foo: 'bar' }` would add
+`hello=world&foo=bar` to the authorization request.
+
 ### `refresh`
 
 This method will refresh the accessToken using the refreshToken. Some auth providers will also give
@@ -280,7 +290,7 @@ import AppAuth from 'react-native-app-auth';
 // initialise the client with your configuration
 const appAuth = new AppAuth({
   issuer: '<YOUR_ISSUER_URL>',
-  clientId: '<YOUR_CLIENT_ID',
+  clientId: '<YOUR_CLIENT_ID>',
   redirectUrl: '<YOUR_REDIRECT_URL>',
 });
 

diff --git a/android/src/main/java/com/reactlibrary/RNAppAuthModule.java b/android/src/main/java/com/reactlibrary/RNAppAuthModule.java
@@ -13,6 +13,8 @@
 import com.facebook.react.bridge.ReactMethod;
 import com.facebook.react.bridge.Promise;
 import com.facebook.react.bridge.ReadableArray;
+import com.facebook.react.bridge.ReadableMap;
+import com.facebook.react.bridge.ReadableMapKeySetIterator;
 import com.facebook.react.bridge.WritableMap;
 
 import net.openid.appauth.AuthorizationException;
@@ -26,6 +28,7 @@
 
 import java.text.SimpleDateFormat;
 import java.util.Date;
+import java.util.HashMap;
 
 public class RNAppAuthModule extends ReactContextBaseJavaModule implements ActivityEventListener {
 
@@ -63,8 +66,29 @@ private WritableMap tokenResponseToMap(TokenResponse response) {
         return map;
     }
 
+    private HashMap<String, String> additionalParametersToMap(ReadableMap additionalParameters) {
+
+        HashMap<String, String> additionalParametersHash = new HashMap<>();
+
+        ReadableMapKeySetIterator iterator = additionalParameters.keySetIterator();
+
+        while (iterator.hasNextKey()) {
+            String nextKey = iterator.nextKey();
+            additionalParametersHash.put(nextKey, additionalParameters.getString(nextKey));
+        }
+
+        return additionalParametersHash;
+    }
+
     @ReactMethod
-    public void authorize(String issuer, final String redirectUrl, final String clientId, final ReadableArray scopes, final Promise promise) {
+    public void authorize(
+            String issuer,
+            final String redirectUrl,
+            final String clientId,
+            final ReadableArray scopes,
+            final ReadableMap additionalParameters,
+            final Promise promise
+    ) {
 
         final Context context = this.reactContext;
         this.promise = promise;
@@ -88,11 +112,16 @@ public void onFetchConfigurationCompleted(
                                         serviceConfiguration,
                                         clientId,
                                         ResponseTypeValues.CODE,
-                                        Uri.parse(redirectUrl));
+                                        Uri.parse(redirectUrl)
+                                )
+                                        .setScope(scopesString);
+
+                        if (additionalParameters != null) {
+                            authRequestBuilder.setAdditionalParameters(additionalParametersToMap(additionalParameters));
+                        }
+
+                        AuthorizationRequest authRequest = authRequestBuilder.build();
 
-                        AuthorizationRequest authRequest = authRequestBuilder
-                                .setScope(scopesString)
-                                .build();
                         AuthorizationService authService = new AuthorizationService(context);
                         Intent authIntent = authService.getAuthorizationRequestIntent(authRequest);
                         currentActivity.startActivityForResult(authIntent, 0);
@@ -103,7 +132,15 @@ public void onFetchConfigurationCompleted(
     }
 
     @ReactMethod
-    public void refresh(String issuer, final String redirectUrl, final String clientId, final String refreshToken, final ReadableArray scopes, final Promise promise) {
+    public void refresh(
+            String issuer,
+            final String redirectUrl,
+            final String clientId,
+            final String refreshToken,
+            final ReadableArray scopes,
+            final ReadableMap additionalParameters,
+            final Promise promise
+    ) {
         final Context context = this.reactContext;
 
         final String scopesString = this.arrayToString(scopes);
@@ -123,13 +160,17 @@ public void onFetchConfigurationCompleted(
                                 new TokenRequest.Builder(
                                         serviceConfiguration,
                                         clientId
-                                );
+                                )
+                                        .setScope(scopesString)
+                                        .setRefreshToken(refreshToken)
+                                        .setRedirectUri(Uri.parse(redirectUrl));
+
+                        if (additionalParameters != null) {
+                            tokenRequestBuilder.setAdditionalParameters(additionalParametersToMap(additionalParameters));
+                        }
+
+                        TokenRequest tokenRequest = tokenRequestBuilder.build();
 
-                        TokenRequest tokenRequest = tokenRequestBuilder
-                                .setScope(scopesString)
-                                .setRefreshToken(refreshToken)
-                                .setRedirectUri(Uri.parse(redirectUrl))
-                                .build();
 
                         AuthorizationService authService = new AuthorizationService(context);
 

diff --git a/index.js b/index.js
@@ -23,7 +23,8 @@ export default class AppAuth {
       this.config.issuer,
       this.config.redirectUrl,
       this.config.clientId,
-      scopes
+      scopes,
+      this.config.additionalParameters
     );
   }
 
@@ -36,7 +37,8 @@ export default class AppAuth {
       this.config.redirectUrl,
       this.config.clientId,
       refreshToken,
-      scopes
+      scopes,
+      this.config.additionalParameters
     );
   }
 

diff --git a/index.spec.js b/index.spec.js
@@ -17,6 +17,7 @@ describe('AppAuth', () => {
     issuer: 'test-issuer',
     redirectUrl: 'test-redirectUrl',
     clientId: 'test-clientId',
+    additionalParameters: { hello: 'world' },
   };
 
   beforeAll(() => {
@@ -33,6 +34,11 @@ describe('AppAuth', () => {
       expect(appAuth.getConfig()).toEqual(config);
     });
 
+    it('saves the additionalParameters correctly if they are empty', () => {
+      const appAuth = new AppAuth({ ...config, additionalParameters: undefined });
+      expect(appAuth.getConfig()).toEqual({ ...config, additionalParameters: undefined });
+    });
+
     it('throws an error when issuer is not a string', () => {
       expect(() => {
         new AppAuth({ ...config, issuer: () => ({}) }); // eslint-disable-line no-new
@@ -81,7 +87,8 @@ describe('AppAuth', () => {
         config.issuer,
         config.redirectUrl,
         config.clientId,
-        scopes
+        scopes,
+        config.additionalParameters
       );
     });
   });
@@ -124,7 +131,8 @@ describe('AppAuth', () => {
         config.redirectUrl,
         config.clientId,
         refreshToken,
-        scopes
+        scopes,
+        config.additionalParameters
       );
     });
   });

diff --git a/ios/RNAppAuth.m b/ios/RNAppAuth.m
@@ -18,6 +18,7 @@ - (dispatch_queue_t)methodQueue
                  redirectUrl: (NSString *) redirectUrl
                  clientId: (NSString *) clientId
                  scopes: (NSArray *) scopes
+                 additionalParameters: (NSDictionary *_Nullable) additionalParameters
                  resolve:(RCTPromiseResolveBlock) resolve
                  reject: (RCTPromiseRejectBlock)  reject)
 {
@@ -35,7 +36,7 @@ - (dispatch_queue_t)methodQueue
                                                                                                         scopes:scopes
                                                                                                    redirectURL:[NSURL URLWithString:redirectUrl]
                                                                                                   responseType:OIDResponseTypeCode
-                                                                                          additionalParameters:nil];
+                                                                                          additionalParameters:additionalParameters];
 
 
                                                         // performs authentication request
@@ -79,6 +80,7 @@ - (dispatch_queue_t)methodQueue
                  clientId: (NSString *) clientId
                  refreshToken: (NSString *) refreshToken
                  scopes: (NSArray *) scopes
+                 additionalParameters: (NSDictionary *_Nullable) additionalParameters
                  resolve:(RCTPromiseResolveBlock) resolve
                  reject: (RCTPromiseRejectBlock)  reject)
 {
@@ -99,7 +101,7 @@ - (dispatch_queue_t)methodQueue
                                                                                                 scopes:scopes
                                                                                           refreshToken:refreshToken
                                                                                           codeVerifier:nil
-                                                                                  additionalParameters:nil];
+                                                                                  additionalParameters:additionalParameters];
 
                                                         [OIDAuthorizationService performTokenRequest:tokenRefreshRequest
                                                                                             callback:^(OIDTokenResponse *_Nullable response,

diff --git a/yarn.lock b/yarn.lock
@@ -4076,7 +4076,7 @@ preserve@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/preserve/-/preserve-0.2.0.tgz#815ed1f6ebc65926f865b310c0713bcb3315ce4b"
 
-prettier@^1.10.2:
+[email protected]:
   version "1.10.2"
   resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.10.2.tgz#1af8356d1842276a99a5b5529c82dd9e9ad3cc93"