Restore public APIs

Author: paulb777

FirebaseAuth/CHANGELOG.md

@@ -1,3 +1,8 @@
+# Unreleased
+- [fixed] Updated most decoders to be consistent with Firebase 10's behavior
+  for decoding `nil` values. (#14212)
+
+
 # 11.6.0
 - [added] Added reCAPTCHA Enterprise support for app verification during phone
   authentication for Firebase Authentication (#14114)

FirebaseAuth/Sources/Swift/Auth/AuthDataResult.swift

@@ -24,7 +24,7 @@ extension AuthDataResult: NSSecureCoding {}
 @available(iOS 13, tvOS 13, macOS 10.15, macCatalyst 13, watchOS 7, *)
 @objc(FIRAuthDataResult) open class AuthDataResult: NSObject {
   /// The signed in user.
-  @objc public let user: User?
+  @objc public let user: User
 
   /// If available, contains the additional IdP specific information about signed in user.
   @objc public let additionalUserInfo: AdditionalUserInfo?
@@ -63,7 +63,10 @@ extension AuthDataResult: NSSecureCoding {}
   }
 
   public required init?(coder: NSCoder) {
-    user = coder.decodeObject(of: User.self, forKey: kUserCodingKey) as User?
+    guard let user = coder.decodeObject(of: User.self, forKey: kUserCodingKey) else {
+      return nil
+    }
+    self.user = user
     additionalUserInfo = coder.decodeObject(of: AdditionalUserInfo.self,
                                             forKey: kAdditionalUserInfoCodingKey)
     credential = coder.decodeObject(of: OAuthCredential.self, forKey: kCredentialCodingKey)

FirebaseAuth/Sources/Swift/MultiFactor/MultiFactorInfo.swift

@@ -28,10 +28,10 @@ import Foundation
     @objc public let displayName: String?
 
     /// The second factor enrollment date.
-    @objc public let enrollmentDate: Date?
+    @objc public let enrollmentDate: Date
 
     /// The identifier of the second factor.
-    @objc public let factorID: String?
+    @objc public let factorID: String
 
     init(proto: AuthProtoMFAEnrollment, factorID: String) {
       guard let uid = proto.mfaEnrollmentID else {
@@ -60,14 +60,17 @@ import Foundation
     }
 
     public required init?(coder: NSCoder) {
-      guard let uid = coder.decodeObject(of: [NSString.self], forKey: kUIDCodingKey) as? String
+      guard let uid = coder.decodeObject(of: [NSString.self], forKey: kUIDCodingKey) as? String,
+            let factorID = coder.decodeObject(of: [NSString.self],
+                                              forKey: kFactorIDCodingKey) as? String,
+            let enrollmentDate = coder.decodeObject(of: [NSDate.self],
+                                                    forKey: kEnrollmentDateCodingKey) as? Date
       else {
         return nil
       }
       self.uid = uid
-      factorID = coder.decodeObject(of: NSString.self, forKey: kFactorIDCodingKey) as String?
-      enrollmentDate = coder.decodeObject(of: NSDate.self,
-                                          forKey: kEnrollmentDateCodingKey) as Date?
+      self.factorID = factorID
+      self.enrollmentDate = enrollmentDate
       displayName = coder.decodeObject(
         of: [NSString.self],
         forKey: kDisplayNameCodingKey

FirebaseAuth/Sources/Swift/User/AdditionalUserInfo.swift

@@ -17,7 +17,7 @@ import Foundation
 extension AdditionalUserInfo: NSSecureCoding {}
 @objc(FIRAdditionalUserInfo) open class AdditionalUserInfo: NSObject {
   /// The provider identifier.
-  @objc public let providerID: String?
+  @objc public let providerID: String
 
   /// Dictionary containing the additional IdP specific information.
   @objc public let profile: [String: Any]?
@@ -35,7 +35,7 @@ extension AdditionalUserInfo: NSSecureCoding {}
     return isNewUser
   }
 
-  init(providerID: String?, profile: [String: Any]?, username: String?, isNewUser: Bool) {
+  init(providerID: String, profile: [String: Any]?, username: String?, isNewUser: Bool) {
     self.providerID = providerID
     self.profile = profile
     self.username = username
@@ -52,10 +52,13 @@ extension AdditionalUserInfo: NSSecureCoding {}
   public static let supportsSecureCoding = true
 
   public required init?(coder aDecoder: NSCoder) {
-    providerID = aDecoder.decodeObject(
+    guard let providerID = aDecoder.decodeObject(
       of: NSString.self,
       forKey: AdditionalUserInfo.providerIDCodingKey
-    ) as String?
+    ) as? String else {
+      return nil
+    }
+    self.providerID = providerID
     profile = aDecoder.decodeObject(
       of: [NSDictionary.self, NSString.self],
       forKey: AdditionalUserInfo.profileCodingKey