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russellwheatleyrussellwheatley
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feat: initial OAuth setup
1 parent 08cfd07 commit c81680b

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‎FirebaseSwiftUI/FirebaseOAuthSwiftUI/Sources/Services/AccountService+OAuth.swift‎

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//
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// AccountService+OAuth.swift
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// FirebaseUI
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//
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// Created by Russell Wheatley on 21/10/2025.
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//
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@preconcurrency import FirebaseAuth
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import FirebaseAuthSwiftUI
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import Observation
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protocol OAuthOperationReauthentication {
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var oauthProvider: OAuthProviderSwift { get }
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}
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extension OAuthOperationReauthentication {
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@MainActor func reauthenticate() async throws -> AuthenticationToken {
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guard let user = Auth.auth().currentUser else {
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throw AuthServiceError.reauthenticationRequired("No user currently signed-in")
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}
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do {
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let credential = try await oauthProvider.createAuthCredential()
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try await user.reauthenticate(with: credential)
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return .firebase("")
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} catch {
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throw AuthServiceError.signInFailed(underlying: error)
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}
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}
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}
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@MainActor
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class OAuthDeleteUserOperation: AuthenticatedOperation,
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@preconcurrency OAuthOperationReauthentication {
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let oauthProvider: OAuthProviderSwift
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init(oauthProvider: OAuthProviderSwift) {
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self.oauthProvider = oauthProvider
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}
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func callAsFunction(on user: User) async throws {
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try await callAsFunction(on: user) {
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try await user.delete()
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}
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}
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}
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‎FirebaseSwiftUI/FirebaseOAuthSwiftUI/Sources/Services/AuthService+OAuth.swift‎

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// Copyright 2025 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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// AuthService+OAuth.swift
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// FirebaseUI
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//
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// Created by Russell Wheatley on 21/10/2025.
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//
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import FirebaseAuthSwiftUI
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public extension AuthService {
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@discardableResult
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func withOAuthSignIn(_ provider: OAuthProviderSwift) -> AuthService {
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registerProvider(providerWithButton: OAuthProviderAuthUI(provider: provider))
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return self
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}
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}
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‎FirebaseSwiftUI/FirebaseOAuthSwiftUI/Sources/Services/OAuthProviderSwift+Presets.swift‎

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// Copyright 2025 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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import SwiftUI
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/// Preset configurations for common OAuth providers
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public extension OAuthProviderSwift {
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/// GitHub OAuth provider
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/// - Parameters:
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/// - scopes: GitHub scopes (default: ["user"])
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/// - Returns: Configured GitHub provider
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static func github(scopes: [String] = ["user"]) -> OAuthProviderSwift {
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return OAuthProviderSwift(
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providerId: "github.com",
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scopes: scopes,
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displayName: "Sign in with GitHub",
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iconSystemName: "chevron.left.forwardslash.chevron.right",
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buttonBackgroundColor: .black,
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buttonForegroundColor: .white
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)
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}
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/// Microsoft OAuth provider
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/// - Parameters:
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/// - scopes: Microsoft scopes (default: ["openid", "profile", "email"])
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/// - Returns: Configured Microsoft provider
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static func microsoft(scopes: [String] = ["openid", "profile", "email"]) -> OAuthProviderSwift {
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return OAuthProviderSwift(
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providerId: "microsoft.com",
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scopes: scopes,
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displayName: "Sign in with Microsoft",
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iconSystemName: "building.2",
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buttonBackgroundColor: Color(red: 0/255, green: 120/255, blue: 212/255),
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buttonForegroundColor: .white
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)
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}
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/// Yahoo OAuth provider
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/// - Parameters:
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/// - scopes: Yahoo scopes (default: [])
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/// - Returns: Configured Yahoo provider
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static func yahoo(scopes: [String] = []) -> OAuthProviderSwift {
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return OAuthProviderSwift(
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providerId: "yahoo.com",
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scopes: scopes,
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displayName: "Sign in with Yahoo",
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iconSystemName: "y.circle.fill",
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buttonBackgroundColor: Color(red: 80/255, green: 0/255, blue: 155/255),
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buttonForegroundColor: .white
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)
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}
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/// LinkedIn OAuth provider
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/// - Parameters:
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/// - scopes: LinkedIn scopes (default: ["r_liteprofile", "r_emailaddress"])
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/// - Returns: Configured LinkedIn provider
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static func linkedIn(scopes: [String] = ["r_liteprofile", "r_emailaddress"]) -> OAuthProviderSwift {
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return OAuthProviderSwift(
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providerId: "linkedin.com",
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scopes: scopes,
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displayName: "Sign in with LinkedIn",
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iconSystemName: "link",
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buttonBackgroundColor: Color(red: 0/255, green: 119/255, blue: 181/255),
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buttonForegroundColor: .white
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)
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}
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}
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‎FirebaseSwiftUI/FirebaseOAuthSwiftUI/Sources/Services/OAuthProviderSwift.swift‎

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// Copyright 2025 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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import FirebaseAuth
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import FirebaseAuthSwiftUI
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import FirebaseCore
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import SwiftUI
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/// Configuration for a generic OAuth provider
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public class OAuthProviderSwift: AuthProviderSwift, DeleteUserSwift {
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public let providerId: String
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public let scopes: [String]
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public let customParameters: [String: String]
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// Button appearance
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public let displayName: String
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public let buttonIcon: Image
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public let buttonBackgroundColor: Color
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public let buttonForegroundColor: Color
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/// Initialize a generic OAuth provider
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/// - Parameters:
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/// - providerId: The OAuth provider ID (e.g., "github.com", "microsoft.com")
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/// - scopes: OAuth scopes to request
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/// - customParameters: Additional OAuth parameters
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/// - displayName: Button label (e.g., "Sign in with GitHub")
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/// - buttonIcon: Button icon image
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/// - buttonBackgroundColor: Button background color
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/// - buttonForegroundColor: Button text/icon color
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public init(
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providerId: String,
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scopes: [String] = [],
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customParameters: [String: String] = [:],
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displayName: String,
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buttonIcon: Image,
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buttonBackgroundColor: Color = .black,
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buttonForegroundColor: Color = .white
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) {
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self.providerId = providerId
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self.scopes = scopes
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self.customParameters = customParameters
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self.displayName = displayName
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self.buttonIcon = buttonIcon
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self.buttonBackgroundColor = buttonBackgroundColor
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self.buttonForegroundColor = buttonForegroundColor
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}
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/// Convenience initializer using SF Symbol
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/// - Parameters:
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/// - providerId: The OAuth provider ID (e.g., "github.com", "microsoft.com")
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/// - scopes: OAuth scopes to request
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/// - customParameters: Additional OAuth parameters
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/// - displayName: Button label (e.g., "Sign in with GitHub")
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/// - iconSystemName: SF Symbol name
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/// - buttonBackgroundColor: Button background color
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/// - buttonForegroundColor: Button text/icon color
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public convenience init(
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providerId: String,
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scopes: [String] = [],
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customParameters: [String: String] = [:],
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displayName: String,
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iconSystemName: String,
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buttonBackgroundColor: Color = .black,
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buttonForegroundColor: Color = .white
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) {
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self.init(
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providerId: providerId,
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scopes: scopes,
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customParameters: customParameters,
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displayName: displayName,
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buttonIcon: Image(systemName: iconSystemName),
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buttonBackgroundColor: buttonBackgroundColor,
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buttonForegroundColor: buttonForegroundColor
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)
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}
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@MainActor public func createAuthCredential() async throws -> AuthCredential {
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let provider = OAuthProvider(providerID: providerId)
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// Set scopes if provided
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if !scopes.isEmpty {
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provider.scopes = scopes
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}
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// Set custom parameters if provided
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if !customParameters.isEmpty {
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provider.customParameters = customParameters
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}
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return try await withCheckedThrowingContinuation { continuation in
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provider.getCredentialWith(nil) { credential, error in
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if let error {
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continuation.resume(
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throwing: AuthServiceError.signInFailed(underlying: error)
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)
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} else if let credential {
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continuation.resume(returning: credential)
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} else {
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continuation.resume(
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throwing: AuthServiceError.invalidCredentials(
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"\(self.providerId) did not provide a valid AuthCredential"
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)
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)
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}
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}
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}
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}
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public func deleteUser(user: User) async throws {
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let operation = OAuthDeleteUserOperation(oauthProvider: self)
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try await operation(on: user)
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}
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}
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public class OAuthProviderAuthUI: AuthProviderUI {
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public var provider: AuthProviderSwift
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public init(provider: AuthProviderSwift) {
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self.provider = provider
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}
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public var id: String {
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guard let oauthProvider = provider as? OAuthProviderSwift else {
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return "oauth.unknown"
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}
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return oauthProvider.providerId
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}
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@MainActor public func authButton() -> AnyView {
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AnyView(GenericOAuthButton(provider: provider))
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}
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}
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‎FirebaseSwiftUI/FirebaseOAuthSwiftUI/Sources/Views/GenericOAuthButton.swift‎

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// Copyright 2025 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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import FirebaseAuthSwiftUI
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import SwiftUI
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/// A generic OAuth sign-in button that adapts to any provider's configuration
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@MainActor
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public struct GenericOAuthButton {
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@Environment(AuthService.self) private var authService
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let provider: AuthProviderSwift
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public init(provider: AuthProviderSwift) {
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self.provider = provider
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}
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}
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extension GenericOAuthButton: View {
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public var body: some View {
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guard let oauthProvider = provider as? OAuthProviderSwift else {
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return AnyView(
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Text("Invalid OAuth Provider")
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.foregroundColor(.red)
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)
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}
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return AnyView(
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Button(action: {
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Task {
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try await authService.signIn(provider)
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}
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}) {
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HStack {
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oauthProvider.buttonIcon
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.resizable()
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.renderingMode(.template)
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.scaledToFit()
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.frame(width: 24, height: 24)
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.foregroundColor(oauthProvider.buttonForegroundColor)
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Text(oauthProvider.displayName)
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.fontWeight(.semibold)
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.foregroundColor(oauthProvider.buttonForegroundColor)
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}
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.frame(maxWidth: .infinity, alignment: .leading)
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.padding()
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.background(oauthProvider.buttonBackgroundColor)
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.cornerRadius(8)
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}
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.accessibilityIdentifier("sign-in-with-\(oauthProvider.providerId)-button")
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)
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}
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}
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‎FirebaseSwiftUI/FirebaseOAuthSwiftUI/Tests/FirebaseOAuthSwiftUITests/FirebaseOAuthSwiftUITests.swift‎

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// Copyright 2025 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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@testable import FirebaseOAuthSwiftUI
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import Testing
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@Test func example() async throws {
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// Write your test here and use APIs like `#expect(...)` to check expected conditions.
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}
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