feat: Implement UseUserAccessGroup for iOS #1751
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This commit introduces the `UseUserAccessGroup` method in the Firebase C++ Authentication SDK. This method allows developers to specify a user access group for keychain operations on iOS, enabling keychain sharing between apps from the same developer. It wraps the `[FIRAuth useUserAccessGroup:error:]` Objective-C method. - Added `Auth::UseUserAccessGroup(const char* access_group)` to the public API in `firebase/auth.h`. - Implemented the method for iOS in `auth_ios.mm`, calling the corresponding FIRAuth method and handling potential errors. - Provided no-op stub implementations for Android and desktop platforms, as the functionality is iOS-specific. The method returns `kAuthErrorNone` on success or if it's a no-op on non-iOS platforms. On iOS, it returns an appropriate `AuthError` if the underlying Objective-C method reports an error.
jonsimantov
commented
Jun 27, 2025
| @@ -590,6 +590,26 @@ void SignInCallback(FIRUser *_Nullable user, NSError *_Nullable error, | |||
| SetEmulatorJni(auth_data_, host.c_str(), port); | |||
| } | |||
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| AuthError Auth::UseUserAccessGroup(const char* access_group) { | |||
| if (!auth_data_) { | |||
| return kAuthErrorNone; // Or appropriate error if auth_data_ is unexpectedly null | |||
There was a problem hiding this comment.
There is a Not Initialized error, return that.
jonsimantov
commented
Jun 27, 2025
| @@ -575,6 +575,11 @@ void Auth::UseEmulator(std::string host, uint32_t port) { | |||
| auth_impl->assigned_emulator_url.append(std::to_string(port)); | |||
| } | |||
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| AuthError Auth::UseUserAccessGroup(const char* access_group) { | |||
| // No-op on desktop. | |||
| return kAuthErrorNone; | |||
There was a problem hiding this comment.
Return NotImplemented on desktop, and update the docs to reflect that.
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This commit introduces the
UseUserAccessGroupmethod in the Firebase C++ Authentication SDK.This method allows developers to specify a user access group for keychain operations on iOS, enabling keychain sharing between apps from the same developer. It wraps the
[FIRAuth useUserAccessGroup:error:]Objective-C method.Auth::UseUserAccessGroup(const char* access_group)to the public API infirebase/auth.h.auth_ios.mm, calling the corresponding FIRAuth method and handling potential errors.The method returns
kAuthErrorNoneon success or if it's a no-op on non-iOS platforms. On iOS, it returns an appropriateAuthErrorif the underlying Objective-C method reports an error.Description
Testing
Type of Change
Place an
xthe applicable box:Notes
Release Notessection ofrelease_build_files/readme.md.