feat(app-check): recaptchaEnterprise for iOS and Android

packages/firebase_app_check/firebase_app_check/android/src/main/java/io/flutter/plugins/firebase/appcheck/FlutterFirebaseAppCheckPlugin.java

@@ -111,6 +111,13 @@ private Task<Void> activate(Map<String, Object> arguments) {
                       PlayIntegrityAppCheckProviderFactory.getInstance());
                   break;
                 }
+              case recaptchaEnterprise:
+                {
+                  FirebaseAppCheck firebaseAppCheck = getAppCheck(arguments);
+                  firebaseAppCheck.installAppCheckProviderFactory(
+                      ReCaptchaEnterpriseAppCheckProviderFactory.getInstance());
+                  break;
+                }
             }
             taskCompletionSource.setResult(null);
           } catch (Exception e) {

packages/firebase_app_check/firebase_app_check/ios/firebase_app_check/Sources/firebase_app_check/FLTAppCheckProvider.m

@@ -49,6 +49,10 @@ - (void)configure:(FIRApp *)app
       self.delegateProvider = [[FIRDeviceCheckProvider alloc] initWithApp:app];
     }
   }
+
+  if ([providerName isEqualToString:@"recaptchaEnterprise"]) {
+    self.delegateProvider = [[FIRReCaptchaEnterpriseProvider alloc] initWithApp:app];
+  }
 }
 
 - (void)getTokenWithCompletion:(nonnull void (^)(FIRAppCheckToken *_Nullable,

packages/firebase_app_check/firebase_app_check/lib/firebase_app_check.dart

@@ -20,7 +20,8 @@ export 'package:firebase_app_check_platform_interface/firebase_app_check_platfor
         AppleAppAttestProvider,
         AppleAppAttestWithDeviceCheckFallbackProvider,
         ReCaptchaEnterpriseProvider,
-        ReCaptchaV3Provider;
+        AndroidReCaptchaEnterpriseProvider,
+        AppleReCaptchaEnterpriseProvider;
 export 'package:firebase_core_platform_interface/firebase_core_platform_interface.dart'
     show FirebaseException;
 

packages/firebase_app_check/firebase_app_check_platform_interface/lib/src/android_providers.dart

@@ -32,3 +32,12 @@ class AndroidDebugProvider extends AndroidAppCheckProvider {
 class AndroidPlayIntegrityProvider extends AndroidAppCheckProvider {
   const AndroidPlayIntegrityProvider() : super('playIntegrity');
 }
+
+/// ReCaptcha Enterprise provider for Android.
+///
+/// See documentation: <link to docs>
+class AndroidReCaptchaEnterpriseProvider extends AndroidAppCheckProvider {
+  const AndroidReCaptchaEnterpriseProvider(this.siteKey)
+      : super('recaptchaEnterprise');
+  final String siteKey;
+}

packages/firebase_app_check/firebase_app_check_platform_interface/lib/src/apple_providers.dart

@@ -54,3 +54,12 @@ class AppleAppAttestWithDeviceCheckFallbackProvider
   const AppleAppAttestWithDeviceCheckFallbackProvider()
       : super('appAttestWithDeviceCheckFallback');
 }
+
+/// ReCaptcha Enterprise provider for Apple platforms.
+///
+/// See documentation: <link to docs>
+class AppleReCaptchaEnterpriseProvider extends AppleAppCheckProvider {
+  const AppleReCaptchaEnterpriseProvider(this.siteKey)
+      : super('recaptchaEnterprise');
+  final String siteKey;
+}

tests/integration_test/firebase_app_check/firebase_app_check_e2e_test.dart

@@ -103,6 +103,36 @@ void main() {
         },
         skip: defaultTargetPlatform != TargetPlatform.iOS,
       );
+
+      test(
+        'recaptchaEnterprise on Android',
+        () async {
+          await expectLater(
+            FirebaseAppCheck.instance.activate(
+              providerAndroid: const AndroidReCaptchaEnterpriseProvider(
+                siteKey: '6Lemcn0dAAAAABLkf6aiiHvpGD6x-zF3nOSDU2M8',
+              ),
+            ),
+            completes,
+          );
+        },
+        skip: defaultTargetPlatform != TargetPlatform.android,
+      );
+
+      test(
+        'recaptchaEnterprise on iOS',
+        () async {
+          await expectLater(
+            FirebaseAppCheck.instance.activate(
+              providerApple: const AppleReCaptchaEnterpriseProvider(
+                siteKey: '6Lemcn0dAAAAABLkf6aiiHvpGD6x-zF3nOSDU2M8',
+              ),
+            ),
+            completes,
+          );
+        },
+        skip: defaultTargetPlatform != TargetPlatform.iOS,
+      );
     },
   );
 }