Merge pull request #1 from SwiftfulThinking/auth_manager

Auth manager

Package.resolved

@@ -0,0 +1,140 @@
+{
+  "pins" : [
+    {
+      "identity" : "abseil-cpp-binary",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/google/abseil-cpp-binary.git",
+      "state" : {
+        "revision" : "bfc0b6f81adc06ce5121eb23f628473638d67c5c",
+        "version" : "1.2022062300.0"
+      }
+    },
+    {
+      "identity" : "appauth-ios",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/openid/AppAuth-iOS.git",
+      "state" : {
+        "revision" : "71cde449f13d453227e687458144bde372d30fc7",
+        "version" : "1.6.2"
+      }
+    },
+    {
+      "identity" : "firebase-ios-sdk",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/firebase/firebase-ios-sdk.git",
+      "state" : {
+        "revision" : "837d4af6ead57cec1fc38007892500d3139c7556",
+        "version" : "10.16.0"
+      }
+    },
+    {
+      "identity" : "googleappmeasurement",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/google/GoogleAppMeasurement.git",
+      "state" : {
+        "revision" : "56f681586ff006a7982b53dc94082eea31971acf",
+        "version" : "10.16.0"
+      }
+    },
+    {
+      "identity" : "googledatatransport",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/google/GoogleDataTransport.git",
+      "state" : {
+        "revision" : "aae45a320fd0d11811820335b1eabc8753902a40",
+        "version" : "9.2.5"
+      }
+    },
+    {
+      "identity" : "googlesignin-ios",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/google/GoogleSignIn-iOS.git",
+      "state" : {
+        "revision" : "7932d33686c1dc4d7df7a919aae47361d1cdfda4",
+        "version" : "7.0.0"
+      }
+    },
+    {
+      "identity" : "googleutilities",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/google/GoogleUtilities.git",
+      "state" : {
+        "revision" : "c38ce365d77b04a9a300c31061c5227589e5597b",
+        "version" : "7.11.5"
+      }
+    },
+    {
+      "identity" : "grpc-binary",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/google/grpc-binary.git",
+      "state" : {
+        "revision" : "a673bc2937fbe886dd1f99c401b01b6d977a9c98",
+        "version" : "1.49.1"
+      }
+    },
+    {
+      "identity" : "gtm-session-fetcher",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/google/gtm-session-fetcher.git",
+      "state" : {
+        "revision" : "d415594121c9e8a4f9d79cecee0965cf35e74dbd",
+        "version" : "3.1.1"
+      }
+    },
+    {
+      "identity" : "gtmappauth",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/google/GTMAppAuth.git",
+      "state" : {
+        "revision" : "cee3c709307912d040bd1e06ca919875a92339c6",
+        "version" : "2.0.0"
+      }
+    },
+    {
+      "identity" : "interop-ios-for-google-sdks",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/google/interop-ios-for-google-sdks.git",
+      "state" : {
+        "revision" : "2d12673670417654f08f5f90fdd62926dc3a2648",
+        "version" : "100.0.0"
+      }
+    },
+    {
+      "identity" : "leveldb",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/firebase/leveldb.git",
+      "state" : {
+        "revision" : "0706abcc6b0bd9cedfbb015ba840e4a780b5159b",
+        "version" : "1.22.2"
+      }
+    },
+    {
+      "identity" : "nanopb",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/firebase/nanopb.git",
+      "state" : {
+        "revision" : "819d0a2173aff699fb8c364b6fb906f7cdb1a692",
+        "version" : "2.30909.0"
+      }
+    },
+    {
+      "identity" : "promises",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/google/promises.git",
+      "state" : {
+        "revision" : "e70e889c0196c76d22759eb50d6a0270ca9f1d9e",
+        "version" : "2.3.1"
+      }
+    },
+    {
+      "identity" : "swift-protobuf",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/apple/swift-protobuf.git",
+      "state" : {
+        "revision" : "3c54ab05249f59f2c6641dd2920b8358ea9ed127",
+        "version" : "1.24.0"
+      }
+    }
+  ],
+  "version" : 2
+}

Package.swift

@@ -5,17 +5,30 @@ import PackageDescription
 
 let package = Package(
     name: "SwiftfulFirebaseAuth",
+    platforms: [
+        .iOS(.v13)
+    ],
     products: [
         // Products define the executables and libraries a package produces, making them visible to other packages.
         .library(
             name: "SwiftfulFirebaseAuth",
             targets: ["SwiftfulFirebaseAuth"]),
     ],
+    dependencies: [
+        // Dependencies declare other packages that this package depends on.
+        .package(url: "https://github.com/firebase/firebase-ios-sdk.git", from: "10.0.0"),
+        .package(url: "https://github.com/google/GoogleSignIn-iOS.git", from: "7.0.0")
+    ],
     targets: [
         // Targets are the basic building blocks of a package, defining a module or a test suite.
         // Targets can depend on other targets in this package and products from dependencies.
         .target(
-            name: "SwiftfulFirebaseAuth"),
+            name: "SwiftfulFirebaseAuth",
+            dependencies: [
+                .product(name: "FirebaseAuth", package: "firebase-ios-sdk"),
+                .product(name: "GoogleSignIn", package: "GoogleSignIn-iOS"),
+                .product(name: "GoogleSignInSwift", package: "GoogleSignIn-iOS")
+            ]),
         .testTarget(
             name: "SwiftfulFirebaseAuthTests",
             dependencies: ["SwiftfulFirebaseAuth"]),

Sources/SwiftfulFirebaseAuth/Core/AuthManager.swift

@@ -0,0 +1,70 @@
+//
+//  AuthManager.swift
+//
+//
+//  Created by Nick Sarno on 10/25/23.
+//
+
+import Foundation
+
+public struct AuthInfo {
+    public let profile: UserAuthInfo?
+
+    public var userId: String? {
+        profile?.uid
+    }
+
+    public var isSignedIn: Bool {
+        profile != nil
+    }
+}
+
+public enum Configuration {
+    case mock, firebase
+
+    var provider: AuthProvider {
+        switch self {
+        case .firebase:
+            return FirebaseAuthProvider()
+        case .mock:
+            return MockAuthProvider()
+        }
+    }
+}
+
+public final class AuthManager {
+
+    private let provider: AuthProvider
+
+    @Published public private(set) var currentUser: AuthInfo?
+
+    public init(configuration: Configuration) {
+        self.provider = configuration.provider
+        self.currentUser = AuthInfo(profile: provider.getAuthenticatedUser())
+        self.streamSignInChanges()
+    }
+
+    private func streamSignInChanges() {
+        Task {
+            for await user in await provider.authenticationDidChangeStream() {
+                currentUser = AuthInfo(profile: user)
+            }
+        }
+    }
+
+    public func signInGoogle() async throws -> (user: UserAuthInfo, isNewUser: Bool) {
+        try await provider.authenticateUser_Google()
+    }
+
+    public func signInApple() async throws -> (user: UserAuthInfo, isNewUser: Bool) {
+        try await provider.authenticateUser_Apple()
+    }
+
+    public func signOut() throws {
+        try provider.signOut()
+    }
+
+    public func deleteAuthentication() async throws {
+        try await provider.deleteAccount()
+    }
+}

Sources/SwiftfulFirebaseAuth/Core/SignInWithAppleButtonView.swift

@@ -0,0 +1,60 @@
+//
+//  SignInWithAppleButtonView.swift
+//
+//
+//  Created by Nick Sarno on 10/25/23.
+//
+
+import SwiftUI
+import AuthenticationServices
+
+public struct SignInWithAppleButtonView: View {
+    public let type: ASAuthorizationAppleIDButton.ButtonType
+    public let style: ASAuthorizationAppleIDButton.Style
+    public let cornerRadius: CGFloat
+
+    public init(
+        type: ASAuthorizationAppleIDButton.ButtonType = .signIn,
+        style: ASAuthorizationAppleIDButton.Style = .black,
+        cornerRadius: CGFloat = 10
+    ) {
+        self.type = type
+        self.style = style
+        self.cornerRadius = cornerRadius
+    }
+
+    public var body: some View {
+        ZStack {
+            Color.black.opacity(0.001)
+
+            SignInWithAppleButtonViewRepresentable(type: type, style: style, cornerRadius: cornerRadius)
+                .disabled(true)
+        }
+    }
+}
+
+private struct SignInWithAppleButtonViewRepresentable: UIViewRepresentable {
+    let type: ASAuthorizationAppleIDButton.ButtonType
+    let style: ASAuthorizationAppleIDButton.Style
+    let cornerRadius: CGFloat
+
+    func makeUIView(context: Context) -> some UIView {
+        let button = ASAuthorizationAppleIDButton(type: type, style: style)
+        button.cornerRadius = cornerRadius
+        return button
+    }
+
+    func updateUIView(_ uiView: UIViewType, context: Context) {
+
+    }
+
+    func makeCoordinator() -> () {
+
+    }
+}
+
+#Preview("SignInWithAppleButtonView") {
+    SignInWithAppleButtonView(cornerRadius: 30)
+        .frame(height: 60)
+        .padding()
+}

Sources/SwiftfulFirebaseAuth/Extensions/UIApplication+EXT.swift

@@ -0,0 +1,51 @@
+//
+//  File.swift
+//  
+//
+//  Created by Nick Sarno on 10/25/23.
+//
+
+import Foundation
+import UIKit
+
+extension UIApplication {
+
+    static private func rootViewController() -> UIViewController? {
+        var rootVC: UIViewController?
+        if #available(iOS 15.0, *) {
+            rootVC = UIApplication
+                .shared
+                .connectedScenes
+                .compactMap { ($0 as? UIWindowScene)?.keyWindow }
+                .last?
+                .rootViewController
+        } else {
+            rootVC = UIApplication
+                .shared
+                .connectedScenes
+                .flatMap { ($0 as? UIWindowScene)?.windows ?? [] }
+                .last { $0.isKeyWindow }?
+                .rootViewController
+        }
+
+        return rootVC ?? UIApplication.shared.keyWindow?.rootViewController
+    }
+
+    @MainActor static func topViewController(controller: UIViewController? = nil) -> UIViewController? {
+        let controller = controller ?? rootViewController()
+
+        if let navigationController = controller as? UINavigationController {
+            return topViewController(controller: navigationController.visibleViewController)
+        }
+        if let tabController = controller as? UITabBarController {
+            if let selected = tabController.selectedViewController {
+                return topViewController(controller: selected)
+            }
+        }
+        if let presented = controller?.presentedViewController {
+            return topViewController(controller: presented)
+        }
+        return controller
+    }
+
+}