[Auth] Prefer immutable properties and private access level in *Request types

FirebaseAuth/Sources/Swift/Backend/RPC/CreateAuthURIRequest.swift

@@ -51,25 +51,25 @@ class CreateAuthURIRequest: IdentityToolkitRequest, AuthRPCRequest {
   let identifier: String
 
   /// The URI to which the IDP redirects the user after the federated login flow.
-  let continueURI: String
+  private let continueURI: String
 
   /// Optional realm for OpenID protocol. The sub string "scheme://domain:port" of the param
   ///   "continueUri" is used if this is not set.
-  var openIDRealm: String?
+  private let openIDRealm: String? = nil
 
   /// The IdP ID. For white listed IdPs it's a short domain name e.g. google.com, aol.com,
   ///    live.net and yahoo.com. For other OpenID IdPs it's the OP identifier.
-  var providerID: String?
+  private let providerID: String? = nil
 
   /// The relying party OAuth client ID.
-  var clientID: String?
+  private let clientID: String? = nil
 
   /// The opaque value used by the client to maintain context info between the authentication
   ///   request and the IDP callback.
-  var context: String?
+  private let context: String? = nil
 
   /// The iOS client application's bundle identifier.
-  var appID: String?
+  private let appID: String? = nil
 
   init(identifier: String, continueURI: String,
        requestConfiguration: AuthRequestConfiguration) {

FirebaseAuth/Sources/Swift/Backend/RPC/GetOOBConfirmationCodeRequest.swift

@@ -107,38 +107,38 @@ class GetOOBConfirmationCodeRequest: IdentityToolkitRequest, AuthRPCRequest {
   typealias Response = GetOOBConfirmationCodeResponse
 
   /// The types of OOB Confirmation Code to request.
-  let requestType: GetOOBConfirmationCodeRequestType
+  private let requestType: GetOOBConfirmationCodeRequestType
 
   /// The email of the user for password reset.
-  private(set) var email: String?
+  let email: String?
 
   /// The new email to be updated for verifyBeforeUpdateEmail.
-  private(set) var updatedEmail: String?
+  private let updatedEmail: String?
 
   /// The STS Access Token of the authenticated user for email change.
-  private(set) var accessToken: String?
+  private let accessToken: String?
 
   /// This URL represents the state/Continue URL in the form of a universal link.
-  private(set) var continueURL: String?
+  let continueURL: String?
 
   /// The iOS bundle Identifier, if available.
-  private(set) var iOSBundleID: String?
+  private let iOSBundleID: String?
 
   /// The Android package name, if available.
-  private(set) var androidPackageName: String?
+  private let androidPackageName: String?
 
   /// The minimum Android version supported, if available.
-  private(set) var androidMinimumVersion: String?
+  private let androidMinimumVersion: String?
 
   /// Indicates whether or not the Android app should be installed if not already available.
-  private(set) var androidInstallApp: Bool
+  private let androidInstallApp: Bool
 
   /// Indicates whether the action code link will open the app directly or after being
   ///   redirected from a Firebase owned web widget.
-  private(set) var handleCodeInApp: Bool
+  let handleCodeInApp: Bool
 
   /// The Firebase Dynamic Link domain used for out of band code flow.
-  private(set) var dynamicLinkDomain: String?
+  private let dynamicLinkDomain: String?
 
   /// Response to the captcha.
   var captchaResponse: String?

FirebaseAuth/Sources/Swift/Backend/RPC/MultiFactor/Enroll/FinalizeMFAEnrollmentRequest.swift

@@ -27,33 +27,47 @@ class FinalizeMFAEnrollmentRequest: IdentityToolkitRequest, AuthRPCRequest {
 
   let displayName: String?
 
-  var phoneVerificationInfo: AuthProtoFinalizeMFAPhoneRequestInfo?
+  let phoneVerificationInfo: AuthProtoFinalizeMFAPhoneRequestInfo?
 
-  var totpVerificationInfo: AuthProtoFinalizeMFATOTPEnrollmentRequestInfo?
+  let totpVerificationInfo: AuthProtoFinalizeMFATOTPEnrollmentRequestInfo?
 
-  init(idToken: String?, displayName: String?,
-       phoneVerificationInfo: AuthProtoFinalizeMFAPhoneRequestInfo?,
-       requestConfiguration: AuthRequestConfiguration) {
-    self.idToken = idToken
-    self.displayName = displayName
-    self.phoneVerificationInfo = phoneVerificationInfo
-    super.init(
-      endpoint: kFinalizeMFAEnrollmentEndPoint,
-      requestConfiguration: requestConfiguration,
-      useIdentityPlatform: true
+  convenience init(idToken: String?, displayName: String?,
+                   phoneVerificationInfo: AuthProtoFinalizeMFAPhoneRequestInfo?,
+                   requestConfiguration: AuthRequestConfiguration) {
+    self.init(
+      idToken: idToken,
+      displayName: displayName,
+      phoneVerificationInfo: phoneVerificationInfo,
+      totpVerificationInfo: nil,
+      requestConfiguration: requestConfiguration
     )
   }
 
-  init(idToken: String?, displayName: String?,
-       totpVerificationInfo: AuthProtoFinalizeMFATOTPEnrollmentRequestInfo?,
-       requestConfiguration: AuthRequestConfiguration) {
+  convenience init(idToken: String?, displayName: String?,
+                   totpVerificationInfo: AuthProtoFinalizeMFATOTPEnrollmentRequestInfo?,
+                   requestConfiguration: AuthRequestConfiguration) {
+    self.init(
+      idToken: idToken,
+      displayName: displayName,
+      phoneVerificationInfo: nil,
+      totpVerificationInfo: totpVerificationInfo,
+      requestConfiguration: requestConfiguration
+    )
+  }
+
+  private init(idToken: String?, displayName: String?,
+               phoneVerificationInfo: AuthProtoFinalizeMFAPhoneRequestInfo?,
+               totpVerificationInfo: AuthProtoFinalizeMFATOTPEnrollmentRequestInfo?,
+               requestConfiguration: AuthRequestConfiguration) {
     self.idToken = idToken
     self.displayName = displayName
+    self.phoneVerificationInfo = phoneVerificationInfo
     self.totpVerificationInfo = totpVerificationInfo
     super.init(
       endpoint: kFinalizeMFAEnrollmentEndPoint,
       requestConfiguration: requestConfiguration,
-      useIdentityPlatform: true
+      useIdentityPlatform: true,
+      useStaging: false
     )
   }
 

FirebaseAuth/Sources/Swift/Backend/RPC/MultiFactor/Enroll/StartMFAEnrollmentRequest.swift

@@ -24,30 +24,43 @@ class StartMFAEnrollmentRequest: IdentityToolkitRequest, AuthRPCRequest {
   typealias Response = StartMFAEnrollmentResponse
 
   let idToken: String?
-  private(set) var phoneEnrollmentInfo: AuthProtoStartMFAPhoneRequestInfo?
-  private(set) var totpEnrollmentInfo: AuthProtoStartMFATOTPEnrollmentRequestInfo?
+  let phoneEnrollmentInfo: AuthProtoStartMFAPhoneRequestInfo?
+  let totpEnrollmentInfo: AuthProtoStartMFATOTPEnrollmentRequestInfo?
 
-  init(idToken: String?,
-       enrollmentInfo: AuthProtoStartMFAPhoneRequestInfo?,
-       requestConfiguration: AuthRequestConfiguration) {
-    self.idToken = idToken
-    phoneEnrollmentInfo = enrollmentInfo
-    super.init(
-      endpoint: kStartMFAEnrollmentEndPoint,
-      requestConfiguration: requestConfiguration,
-      useIdentityPlatform: true
+  convenience init(idToken: String?,
+                   enrollmentInfo: AuthProtoStartMFAPhoneRequestInfo?,
+                   requestConfiguration: AuthRequestConfiguration) {
+    self.init(
+      idToken: idToken,
+      enrollmentInfo: enrollmentInfo,
+      totpEnrollmentInfo: nil,
+      requestConfiguration: requestConfiguration
     )
   }
 
-  init(idToken: String?,
-       totpEnrollmentInfo: AuthProtoStartMFATOTPEnrollmentRequestInfo?,
-       requestConfiguration: AuthRequestConfiguration) {
+  convenience init(idToken: String?,
+                   totpEnrollmentInfo: AuthProtoStartMFATOTPEnrollmentRequestInfo?,
+                   requestConfiguration: AuthRequestConfiguration) {
+    self.init(
+      idToken: idToken,
+      enrollmentInfo: nil,
+      totpEnrollmentInfo: totpEnrollmentInfo,
+      requestConfiguration: requestConfiguration
+    )
+  }
+
+  private init(idToken: String?,
+               enrollmentInfo: AuthProtoStartMFAPhoneRequestInfo?,
+               totpEnrollmentInfo: AuthProtoStartMFATOTPEnrollmentRequestInfo?,
+               requestConfiguration: AuthRequestConfiguration) {
     self.idToken = idToken
+    phoneEnrollmentInfo = enrollmentInfo
     self.totpEnrollmentInfo = totpEnrollmentInfo
     super.init(
       endpoint: kStartMFAEnrollmentEndPoint,
       requestConfiguration: requestConfiguration,
-      useIdentityPlatform: true
+      useIdentityPlatform: true,
+      useStaging: false
     )
   }
 

FirebaseAuth/Sources/Swift/Backend/RPC/MultiFactor/SignIn/FinalizeMFASignInRequest.swift

@@ -23,8 +23,8 @@ private let kTenantIDKey = "tenantId"
 class FinalizeMFASignInRequest: IdentityToolkitRequest, AuthRPCRequest {
   typealias Response = FinalizeMFAEnrollmentResponse
 
-  var mfaPendingCredential: String?
-  var verificationInfo: AuthProto?
+  let mfaPendingCredential: String?
+  let verificationInfo: AuthProto?
 
   init(mfaPendingCredential: String?,
        verificationInfo: AuthProto?,

FirebaseAuth/Sources/Swift/Backend/RPC/MultiFactor/SignIn/StartMFASignInRequest.swift

@@ -24,9 +24,9 @@ private let kTenantIDKey = "tenantId"
 class StartMFASignInRequest: IdentityToolkitRequest, AuthRPCRequest {
   typealias Response = StartMFASignInResponse
 
-  var MFAPendingCredential: String?
-  var MFAEnrollmentID: String?
-  var signInInfo: AuthProtoStartMFAPhoneRequestInfo?
+  let MFAPendingCredential: String?
+  let MFAEnrollmentID: String?
+  let signInInfo: AuthProtoStartMFAPhoneRequestInfo?
 
   init(MFAPendingCredential: String?, MFAEnrollmentID: String?,
        signInInfo: AuthProtoStartMFAPhoneRequestInfo?,

FirebaseAuth/Sources/Swift/Backend/RPC/MultiFactor/Unenroll/WithdrawMFARequest.swift

@@ -23,8 +23,8 @@ private let kTenantIDKey = "tenantId"
 class WithdrawMFARequest: IdentityToolkitRequest, AuthRPCRequest {
   typealias Response = WithdrawMFAResponse
 
-  var idToken: String?
-  var mfaEnrollmentID: String?
+  let idToken: String?
+  let mfaEnrollmentID: String?
 
   init(idToken: String?,
        mfaEnrollmentID: String?,

FirebaseAuth/Sources/Swift/Backend/RPC/RevokeTokenRequest.swift

@@ -37,16 +37,16 @@ class RevokeTokenRequest: IdentityToolkitRequest, AuthRPCRequest {
   typealias Response = RevokeTokenResponse
 
   /// The provider that issued the token to revoke.
-  private(set) var providerID: String
+  let providerID: String
 
   /// The type of the token to revoke.
-  private(set) var tokenType: TokenType
+  let tokenType: TokenType
 
   /// The token to be revoked.
-  private(set) var token: String
+  let token: String
 
   /// The ID Token associated with this credential.
-  private(set) var idToken: String
+  private let idToken: String
 
   enum TokenType: Int {
     case unspecified = 0, refreshToken = 1, accessToken = 2, authorizationCode = 3

FirebaseAuth/Sources/Swift/Backend/RPC/SecureTokenRequest.swift

@@ -64,16 +64,16 @@ class SecureTokenRequest: AuthRPCRequest {
 
   /// The type of grant requested.
   /// See FIRSecureTokenRequestGrantType
-  var grantType: SecureTokenRequestGrantType
+  let grantType: SecureTokenRequestGrantType
 
   /// The scopes requested (a comma-delimited list of scope strings).
-  var scope: String?
+  let scope: String?
 
   /// The client's refresh token.
-  var refreshToken: String?
+  let refreshToken: String?
 
   /// The client's authorization code (legacy Gitkit "ID Token").
-  var code: String?
+  let code: String?
 
   /// The client's API Key.
   let apiKey: String
@@ -107,8 +107,8 @@ class SecureTokenRequest: AuthRPCRequest {
     )
   }
 
-  init(grantType: SecureTokenRequestGrantType, scope: String?, refreshToken: String?,
-       code: String?, requestConfiguration: AuthRequestConfiguration) {
+  private init(grantType: SecureTokenRequestGrantType, scope: String?, refreshToken: String?,
+               code: String?, requestConfiguration: AuthRequestConfiguration) {
     self.grantType = grantType
     self.scope = scope
     self.refreshToken = refreshToken

FirebaseAuth/Sources/Swift/Backend/RPC/SetAccountInfoRequest.swift

@@ -89,19 +89,19 @@ class SetAccountInfoRequest: IdentityToolkitRequest, AuthRPCRequest {
   var displayName: String?
 
   /// The local ID of the user.
-  var localID: String?
+  var localID: String? = nil
 
   /// The email of the user.
-  var email: String?
+  var email: String? = nil
 
   /// The photoURL of the user.
   var photoURL: URL?
 
   /// The new password of the user.
-  var password: String?
+  var password: String? = nil
 
   /// The associated identity providers of the user.
-  var providers: [String]?
+  var providers: [String]? = nil
 
   /// The out-of-band code of the change email request.
   var oobCode: String?
@@ -113,16 +113,16 @@ class SetAccountInfoRequest: IdentityToolkitRequest, AuthRPCRequest {
   var upgradeToFederatedLogin: Bool = false
 
   /// The captcha challenge.
-  var captchaChallenge: String?
+  var captchaChallenge: String? = nil
 
   /// Response to the captcha.
-  var captchaResponse: String?
+  var captchaResponse: String? = nil
 
   /// The list of user attributes to delete.
   ///
   /// Every element of the list must be one of the predefined constant starts with
   /// `SetAccountInfoUserAttribute`.
-  var deleteAttributes: [String]?
+  var deleteAttributes: [String]? = nil
 
   /// The list of identity providers to delete.
   var deleteProviders: [String]?
@@ -131,7 +131,8 @@ class SetAccountInfoRequest: IdentityToolkitRequest, AuthRPCRequest {
   /// The default value is `true` .
   var returnSecureToken: Bool = true
 
-  init(requestConfiguration: AuthRequestConfiguration) {
+  init(accessToken: String? = nil, requestConfiguration: AuthRequestConfiguration) {
+    self.accessToken = accessToken
     super.init(endpoint: kSetAccountInfoEndpoint, requestConfiguration: requestConfiguration)
   }