SwiftUI version of google oauth signin controller

AutoCat.xcodeproj/project.pbxproj

@@ -136,7 +136,6 @@
 		7A9519842D80B72B00E69883 /* RecordsCoordinator.swift in Sources */ = {isa = PBXBuildFile; fileRef = 7A9519832D80B72B00E69883 /* RecordsCoordinator.swift */; };
 		7A961C6C2C4C3C8600CE2211 /* TextRowView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 7A961C6B2C4C3C8600CE2211 /* TextRowView.swift */; };
 		7A961C6E2C4C3C9E00CE2211 /* LinkRowView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 7A961C6D2C4C3C9E00CE2211 /* LinkRowView.swift */; };
-		7A96AE2D246B2B7400297C33 /* GoogleSignInController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 7A96AE2C246B2B7400297C33 /* GoogleSignInController.swift */; };
 		7A96AE2F246B2BCD00297C33 /* WebKit.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 7A96AE2E246B2BCD00297C33 /* WebKit.framework */; };
 		7AA514E02D0B75B3001CAC50 /* StorageService+Events.swift in Sources */ = {isa = PBXBuildFile; fileRef = 7AA514DF2D0B75B3001CAC50 /* StorageService+Events.swift */; };
 		7AA515D02D9ABCC800EB3418 /* RecordPlayerService.swift in Sources */ = {isa = PBXBuildFile; fileRef = 7AA515CF2D9ABCC800EB3418 /* RecordPlayerService.swift */; };
@@ -194,8 +193,12 @@
 		7ADF6C97250F41B000F237B2 /* PNKeyboard.swift in Sources */ = {isa = PBXBuildFile; fileRef = 7ADF6C96250F41B000F237B2 /* PNKeyboard.swift */; };
 		7ADF6C99250F872C00F237B2 /* RoadNumbers.otf in Resources */ = {isa = PBXBuildFile; fileRef = 7ADF6C98250F872C00F237B2 /* RoadNumbers.otf */; };
 		7ADF6CA12512244400F237B2 /* MapExt.swift in Sources */ = {isa = PBXBuildFile; fileRef = 7ADF6CA02512244400F237B2 /* MapExt.swift */; };
+		7ADFC9572DAD0288001A43E3 /* GoogleAuthScreen.swift in Sources */ = {isa = PBXBuildFile; fileRef = 7ADFC9562DAD0288001A43E3 /* GoogleAuthScreen.swift */; };
+		7ADFC9592DAD1C3D001A43E3 /* GoogleAuthViewModel.swift in Sources */ = {isa = PBXBuildFile; fileRef = 7ADFC9582DAD1C3D001A43E3 /* GoogleAuthViewModel.swift */; };
+		7ADFC95B2DAD1F45001A43E3 /* WebView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 7ADFC95A2DAD1F45001A43E3 /* WebView.swift */; };
 		7AE24C5F251F1B4E00758E39 /* Buttons.swift in Sources */ = {isa = PBXBuildFile; fileRef = 7AE24C5E251F1B4E00758E39 /* Buttons.swift */; };
 		7AE26A3324EEF9EC00625033 /* UIViewControllerExt.swift in Sources */ = {isa = PBXBuildFile; fileRef = 7AE26A3224EEF9EC00625033 /* UIViewControllerExt.swift */; };
+		7AEAA2A12DAD9C00009954F0 /* TokenResponse.swift in Sources */ = {isa = PBXBuildFile; fileRef = 7AEAA2A02DAD9C00009954F0 /* TokenResponse.swift */; };
 		7AF231932DA1C28100AE5EB3 /* AuthScreen.swift in Sources */ = {isa = PBXBuildFile; fileRef = 7AF231922DA1C28100AE5EB3 /* AuthScreen.swift */; };
 		7AF231952DA1C29300AE5EB3 /* AuthViewModel.swift in Sources */ = {isa = PBXBuildFile; fileRef = 7AF231942DA1C29300AE5EB3 /* AuthViewModel.swift */; };
 		7AF231972DA1C30000AE5EB3 /* AuthCoordinator.swift in Sources */ = {isa = PBXBuildFile; fileRef = 7AF231962DA1C30000AE5EB3 /* AuthCoordinator.swift */; };
@@ -422,7 +425,6 @@
 		7A9519832D80B72B00E69883 /* RecordsCoordinator.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = RecordsCoordinator.swift; sourceTree = "<group>"; };
 		7A961C6B2C4C3C8600CE2211 /* TextRowView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TextRowView.swift; sourceTree = "<group>"; };
 		7A961C6D2C4C3C9E00CE2211 /* LinkRowView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = LinkRowView.swift; sourceTree = "<group>"; };
-		7A96AE2C246B2B7400297C33 /* GoogleSignInController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = GoogleSignInController.swift; sourceTree = "<group>"; };
 		7A96AE2E246B2BCD00297C33 /* WebKit.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = WebKit.framework; path = Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk/System/Library/Frameworks/WebKit.framework; sourceTree = DEVELOPER_DIR; };
 		7A96AE30246B2FE400297C33 /* Constants.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Constants.swift; sourceTree = "<group>"; };
 		7A96AE32246C095700297C33 /* Base64FS.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Base64FS.swift; sourceTree = "<group>"; };
@@ -478,9 +480,13 @@
 		7ADF6C96250F41B000F237B2 /* PNKeyboard.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = PNKeyboard.swift; sourceTree = "<group>"; };
 		7ADF6C98250F872C00F237B2 /* RoadNumbers.otf */ = {isa = PBXFileReference; lastKnownFileType = file; path = RoadNumbers.otf; sourceTree = "<group>"; };
 		7ADF6CA02512244400F237B2 /* MapExt.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = MapExt.swift; sourceTree = "<group>"; };
+		7ADFC9562DAD0288001A43E3 /* GoogleAuthScreen.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = GoogleAuthScreen.swift; sourceTree = "<group>"; };
+		7ADFC9582DAD1C3D001A43E3 /* GoogleAuthViewModel.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = GoogleAuthViewModel.swift; sourceTree = "<group>"; };
+		7ADFC95A2DAD1F45001A43E3 /* WebView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = WebView.swift; sourceTree = "<group>"; };
 		7AE24C5E251F1B4E00758E39 /* Buttons.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Buttons.swift; sourceTree = "<group>"; };
 		7AE26A3224EEF9EC00625033 /* UIViewControllerExt.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = UIViewControllerExt.swift; sourceTree = "<group>"; };
 		7AE8424D26109F78002F6B31 /* Exportable.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Exportable.swift; sourceTree = "<group>"; };
+		7AEAA2A02DAD9C00009954F0 /* TokenResponse.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TokenResponse.swift; sourceTree = "<group>"; };
 		7AF231922DA1C28100AE5EB3 /* AuthScreen.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AuthScreen.swift; sourceTree = "<group>"; };
 		7AF231942DA1C29300AE5EB3 /* AuthViewModel.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AuthViewModel.swift; sourceTree = "<group>"; };
 		7AF231962DA1C30000AE5EB3 /* AuthCoordinator.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AuthCoordinator.swift; sourceTree = "<group>"; };
@@ -655,7 +661,6 @@
 		7A11471423FDEAF800B424AF /* Controllers */ = {
 			isa = PBXGroup;
 			children = (
-				7A96AE2C246B2B7400297C33 /* GoogleSignInController.swift */,
 				7A11471523FDEB2A00B424AF /* MainSplitController.swift */,
 				7AC3554B29696A1C00889457 /* MainTabController.swift */,
 				7AC3554D29696C4500889457 /* DummyNewController.swift */,
@@ -692,7 +697,6 @@
 				7A333813249A532400D878F1 /* Filter.swift */,
 				6841A913FABBB0AB20DEF4FC /* PagedResponse.swift */,
 				7A6DD90D24337930009DE740 /* PlateNumber.swift */,
-				7A11474823FF2B2D00B424AF /* Response.swift */,
 				7A11474623FF2AA500B424AF /* User.swift */,
 				7AB562B9249C9E9B00473D53 /* VehicleRegion.swift */,
 				7AB4E4372D3D0C5C0006D052 /* VehiclesArchive.swift */,
@@ -725,6 +729,7 @@
 		7A1441632C297E9800E79018 /* Screens */ = {
 			isa = PBXGroup;
 			children = (
+				7ADFC9552DAD026C001A43E3 /* GoogleAuthScreen */,
 				7A386A3E2DABDBFF0051676A /* MapScreen */,
 				7AF231912DA1C26C00AE5EB3 /* AuthScreen */,
 				7A95197E2D80B69800E69883 /* RecordsScreen */,
@@ -1060,6 +1065,8 @@
 				7AB587402C42FFE200FA7B66 /* ApiServiceProtocol.swift */,
 				7A11474323FF06CA00B424AF /* ApiService.swift */,
 				7A599C352C18AC7F00D47C18 /* ApiError.swift */,
+				7A11474823FF2B2D00B424AF /* Response.swift */,
+				7AEAA2A02DAD9C00009954F0 /* TokenResponse.swift */,
 			);
 			path = ApiService;
 			sourceTree = "<group>";
@@ -1127,6 +1134,16 @@
 			path = Extensions;
 			sourceTree = "<group>";
 		};
+		7ADFC9552DAD026C001A43E3 /* GoogleAuthScreen */ = {
+			isa = PBXGroup;
+			children = (
+				7ADFC9562DAD0288001A43E3 /* GoogleAuthScreen.swift */,
+				7ADFC9582DAD1C3D001A43E3 /* GoogleAuthViewModel.swift */,
+				7ADFC95A2DAD1F45001A43E3 /* WebView.swift */,
+			);
+			path = GoogleAuthScreen;
+			sourceTree = "<group>";
+		};
 		7AF231912DA1C26C00AE5EB3 /* AuthScreen */ = {
 			isa = PBXGroup;
 			children = (
@@ -1446,6 +1463,7 @@
 				7AFBE8C02C3024E5003C491D /* ACHud.swift in Sources */,
 				7A9519842D80B72B00E69883 /* RecordsCoordinator.swift in Sources */,
 				7AAAFADA2C4D1AFE0050410D /* Zoomable.swift in Sources */,
+				7ADFC9572DAD0288001A43E3 /* GoogleAuthScreen.swift in Sources */,
 				7AC8B2762D6A01C700190706 /* UISearchTextField+Dumb.swift in Sources */,
 				7A6DD90C24335A6D009DE740 /* FlagLayer.swift in Sources */,
 				7A2E11292CCE395300E5CA17 /* OptionalDatePicker.swift in Sources */,
@@ -1483,6 +1501,7 @@
 				7A7158072C44085600852088 /* OsagoScreen.swift in Sources */,
 				7ABD1B492D044A4700B43213 /* GalleryViewModel.swift in Sources */,
 				7A386A442DABDC360051676A /* MapViewModel.swift in Sources */,
+				7ADFC9592DAD1C3D001A43E3 /* GoogleAuthViewModel.swift in Sources */,
 				7AAAFAD32C4D0FD00050410D /* ACImageSliderView.swift in Sources */,
 				7A912F372D381B7400002938 /* LicensePlateView.swift in Sources */,
 				7A3F07AB24360DC800E59687 /* Dated.swift in Sources */,
@@ -1494,7 +1513,6 @@
 				7A7DADAC2D99738300F52F6C /* AudioRecordView.swift in Sources */,
 				7A1090EC24A4E3E100B4F0B2 /* CellProgressView.swift in Sources */,
 				7AB9FE2A2D08CF35005DE374 /* EventsScreenMode.swift in Sources */,
-				7A96AE2D246B2B7400297C33 /* GoogleSignInController.swift in Sources */,
 				7A10227B2C557EE900B84627 /* LocationPickerCoordinator.swift in Sources */,
 				7AB490292D6B1217002F39C6 /* ACKeyboardView.swift in Sources */,
 				7A11471623FDEB2A00B424AF /* MainSplitController.swift in Sources */,
@@ -1505,6 +1523,7 @@
 				7AF231932DA1C28100AE5EB3 /* AuthScreen.swift in Sources */,
 				7A1E78F82CE900440004B740 /* ReportViewModel.swift in Sources */,
 				7A10226E2C551EE000B84627 /* LocationEditViewModel.swift in Sources */,
+				7ADFC95B2DAD1F45001A43E3 /* WebView.swift in Sources */,
 				7AB4902B2D6B1446002F39C6 /* ACKeyboardButton.swift in Sources */,
 				7AFBE8CE2C308B53003C491D /* ACMessageView.swift in Sources */,
 				7A14416C2C297F2100E79018 /* NotesCoordinator.swift in Sources */,
@@ -1582,6 +1601,7 @@
 				7A6B65B32CFB0DB500AABA6B /* NullifyDate.swift in Sources */,
 				7A7097C22C9EC139007CFDCA /* ServiceContainer.swift in Sources */,
 				7A7AA2C42DA2A3CB00276D83 /* LocationError.swift in Sources */,
+				7AEAA2A12DAD9C00009954F0 /* TokenResponse.swift in Sources */,
 				7A54BFD32D43B95E00176D6D /* DbUpdatePolicy.swift in Sources */,
 				7A5D84BE2C1AE44700C2209B /* VehiclePhoto.swift in Sources */,
 				7A64A2262C1A32C800284124 /* AudioRecordDto.swift in Sources */,

AutoCat/Base.lproj/Main.storyboard

@@ -3,60 +3,9 @@
     <device id="retina4_7" orientation="portrait" appearance="dark"/>
     <dependencies>
         <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="23721"/>
-        <capability name="Safe area layout guides" minToolsVersion="9.0"/>
-        <capability name="System colors in document resources" minToolsVersion="11.0"/>
         <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
     </dependencies>
     <scenes>
-        <!--Google Sign In Controller-->
-        <scene sceneID="ztj-pr-ty7">
-            <objects>
-                <viewController storyboardIdentifier="GoogleSignInController" id="Ptg-6q-3w6" customClass="GoogleSignInController" customModule="AutoCat" customModuleProvider="target" sceneMemberID="viewController">
-                    <view key="view" contentMode="scaleToFill" id="NtL-RA-Nxs">
-                        <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
-                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
-                        <subviews>
-                            <wkWebView contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="0QS-UT-hbi">
-                                <rect key="frame" x="0.0" y="64" width="375" height="603"/>
-                                <color key="backgroundColor" red="0.36078431370000003" green="0.38823529410000002" blue="0.4039215686" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
-                                <wkWebViewConfiguration key="configuration">
-                                    <audiovisualMediaTypes key="mediaTypesRequiringUserActionForPlayback" none="YES"/>
-                                    <wkPreferences key="preferences"/>
-                                </wkWebViewConfiguration>
-                            </wkWebView>
-                            <navigationBar contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="AMg-mc-MMG">
-                                <rect key="frame" x="0.0" y="20" width="375" height="44"/>
-                                <items>
-                                    <navigationItem id="fZb-kM-9an">
-                                        <barButtonItem key="rightBarButtonItem" title="Close" id="ZHH-OZ-vHc">
-                                            <connections>
-                                                <action selector="close:" destination="Ptg-6q-3w6" id="VVY-eV-Yeg"/>
-                                            </connections>
-                                        </barButtonItem>
-                                    </navigationItem>
-                                </items>
-                            </navigationBar>
-                        </subviews>
-                        <viewLayoutGuide key="safeArea" id="4cf-6q-b5U"/>
-                        <color key="backgroundColor" systemColor="systemBackgroundColor"/>
-                        <constraints>
-                            <constraint firstItem="0QS-UT-hbi" firstAttribute="top" secondItem="AMg-mc-MMG" secondAttribute="bottom" id="1l8-UT-leW"/>
-                            <constraint firstItem="AMg-mc-MMG" firstAttribute="top" secondItem="4cf-6q-b5U" secondAttribute="top" id="50U-IM-aiw"/>
-                            <constraint firstItem="AMg-mc-MMG" firstAttribute="leading" secondItem="4cf-6q-b5U" secondAttribute="leading" id="9Si-sE-9y6"/>
-                            <constraint firstItem="AMg-mc-MMG" firstAttribute="trailing" secondItem="4cf-6q-b5U" secondAttribute="trailing" id="DuZ-iN-C4K"/>
-                            <constraint firstItem="0QS-UT-hbi" firstAttribute="leading" secondItem="4cf-6q-b5U" secondAttribute="leading" id="RKF-L4-hnY"/>
-                            <constraint firstItem="0QS-UT-hbi" firstAttribute="trailing" secondItem="4cf-6q-b5U" secondAttribute="trailing" id="gBv-r4-tWa"/>
-                            <constraint firstItem="0QS-UT-hbi" firstAttribute="bottom" secondItem="4cf-6q-b5U" secondAttribute="bottom" id="sYj-Jg-IMn"/>
-                        </constraints>
-                    </view>
-                    <connections>
-                        <outlet property="webView" destination="0QS-UT-hbi" id="vZb-CE-W3J"/>
-                    </connections>
-                </viewController>
-                <placeholder placeholderIdentifier="IBFirstResponder" id="WxN-oK-U9s" userLabel="First Responder" customClass="UIResponder" sceneMemberID="firstResponder"/>
-            </objects>
-            <point key="canvasLocation" x="1823" y="143"/>
-        </scene>
         <!--Main Tab Controller-->
         <scene sceneID="YhQ-kn-py3">
             <objects>
@@ -84,9 +33,4 @@
             <point key="canvasLocation" x="199" y="143"/>
         </scene>
     </scenes>
-    <resources>
-        <systemColor name="systemBackgroundColor">
-            <color white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
-        </systemColor>
-    </resources>
 </document>

AutoCat/Controllers/GoogleSignInController.swift

@@ -1,108 +0,0 @@
-import UIKit
-import WebKit
-import CommonCrypto
-import PKHUD
-import AutoCatCore
-
-struct TokenResponse: Codable {
-    var id_token: String
-    var refresh_token: String?
-    var access_token: String
-    var expires_in: Int
-    var token_type: String
-    var scope: String
-}
-
-class GoogleSignInController: UIViewController, WKNavigationDelegate {
-	@IBOutlet weak var webView: WKWebView!
-	
-	private var codeVerifier: String = ""
-	public var completion: (() -> Void)?
-    
-    let apiService: ApiServiceProtocol = ServiceContainer.shared.resolve(ApiServiceProtocol.self)
-	
-	override func viewDidLoad() {
-		super.viewDidLoad()
-		self.webView.navigationDelegate = self
-		
-#if targetEnvironment(macCatalyst)
-		self.webView.customUserAgent = "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_4) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.1 Safari/605.1.15"
-#else
-		self.webView.customUserAgent = "Mozilla/5.0 (iPhone; CPU iPhone OS 13_4_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.1 Mobile/15E148 Safari/604.1"
-#endif
-		
-		self.codeVerifier = UUID().uuidString
-		let codeChallenge = self.sha256(string: self.codeVerifier) ?? ""
-		
-		let authUrlString = Constants.googleAuthURL
-			+ "?response_type=code"
-			+ "&code_challenge_method=S256"
-			+ "&scope=email%20profile"
-			+ "&redirect_uri=" + Constants.googleRedirectURL
-			+ "&client_id=" + Constants.fbClientId
-			+ "&code_challenge=" + codeChallenge
-		
-		if let url = URL(string: authUrlString) {
-			let request = URLRequest(url: url)
-			self.webView.load(request)
-		}
-	}
-    
-    func webView(_ webView: WKWebView, decidePolicyFor navigationAction: WKNavigationAction) async -> WKNavigationActionPolicy {
-        if let url = navigationAction.request.url {
-            if let components = URLComponents(url: url, resolvingAgainstBaseURL: false) {
-                if let queryItems = components.queryItems {
-                    if let code = queryItems.first(where: { $0.name == "code" })?.value {
-                        
-                        Task { @MainActor in
-                            do {
-                                let token = try await self.getToken(code: code)
-                                await apiService.fbVerifyAssertion(provider: "google.com", idToken: token.id_token, accessToken: token.access_token)
-                                self.dismiss(animated: true, completion: self.completion)
-                            } catch {
-                                HUD.flash(.labeledError(title: nil, subtitle: error.localizedDescription))
-                            }
-                        }
-                        
-                        return .cancel
-                    }
-                }
-            }
-        }
-        
-        return .allow
-    }
-	
-	@IBAction func close(_ sender: UIBarButtonItem) {
-		self.dismiss(animated: true, completion: nil)
-	}
-	
-	func sha256(string: String) -> String? {
-		guard let data = string.data(using: .utf8) else { return nil }
-		
-		var hash = [UInt8](repeating: 0,  count: Int(CC_SHA256_DIGEST_LENGTH))
-		data.withUnsafeBytes {
-			_ = CC_SHA256($0.baseAddress, CC_LONG(data.count), &hash)
-		}
-		
-		return String(data: Data(Base64FS.encode(data: hash)), encoding: .utf8)?.trimmingCharacters(in: CharacterSet(charactersIn: "="))
-	}
-	
-	func getToken(code: String) async throws -> TokenResponse {
-		let tokenUrlString = Constants.googleTokenURL
-			+ "?grant_type=authorization_code"
-			+ "&code=" + code
-			+ "&redirect_uri=" + Constants.googleRedirectURL
-			+ "&client_id=" + Constants.fbClientId
-			+ "&code_verifier=" + self.codeVerifier
-		
-		if let url = URL(string: tokenUrlString) {
-			var request = URLRequest(url: url)
-			request.httpMethod = "POST"
-            let (data, _) = try await URLSession.shared.data(for: request)
-            return try JSONDecoder().decode(TokenResponse.self, from: data)
-		} else {
-			throw NSError(domain: "", code: 0, userInfo: [NSLocalizedDescriptionKey: "Bad URL"])
-		}
-	}
-}

AutoCat/Screens/GoogleAuthScreen/GoogleAuthScreen.swift

@@ -0,0 +1,36 @@
+//
+//  GoogleAuthScreen.swift
+//  AutoCat
+//
+//  Created by Selim Mustafaev on 14.04.2025.
+//  Copyright © 2025 Selim Mustafaev. All rights reserved.
+//
+
+import SwiftUI
+import AutoCatCore
+
+struct GoogleAuthScreen: View {
+    
+    @State var viewModel = makeViewModel()
+    
+    @Environment(\.dismiss) var dismiss
+    
+    var body: some View {
+        WebView(url: viewModel.url, userAgent: Constants.userAgent)
+            .decidePolicy { navAction in
+                let policy = await viewModel.decidePolicy(for: navAction)
+                if policy == .cancel {
+                    dismiss()
+                }
+                return policy
+            }
+            .hud($viewModel.hud)
+    }
+    
+    static func makeViewModel() -> GoogleAuthViewModel {
+        let resolver = ServiceContainer.shared
+        return GoogleAuthViewModel(
+            apiService: resolver.resolve(ApiServiceProtocol.self)
+        )
+    }
+}

AutoCat/Screens/GoogleAuthScreen/GoogleAuthViewModel.swift

@@ -0,0 +1,97 @@
+//
+//  GoogleAuthViewModel.swift
+//  AutoCat
+//
+//  Created by Selim Mustafaev on 14.04.2025.
+//  Copyright © 2025 Selim Mustafaev. All rights reserved.
+//
+
+import AutoCatCore
+import SwiftUI
+import CommonCrypto
+import WebKit
+
+@MainActor
+@Observable
+final class GoogleAuthViewModel: ACHudContainer {
+    
+    let apiService: ApiServiceProtocol
+    
+    var hud: ACHud?
+    let codeVerifier = UUID().uuidString
+    
+    var url = URL(fileURLWithPath: "")
+    
+    init(
+        apiService: ApiServiceProtocol
+    ) {
+        self.apiService = apiService
+        
+        do {
+            url = try makeAuthURL()
+        } catch {
+            hud = .error(error)
+        }
+    }
+    
+    func makeAuthURL() throws -> URL {
+        guard let codeChallenge = sha256(string: codeVerifier) else {
+            throw GenericError.somethingWentWrong
+        }
+        
+        let authUrlString = Constants.googleAuthURL
+            + "?response_type=code"
+            + "&code_challenge_method=S256"
+            + "&scope=email%20profile"
+            + "&redirect_uri=" + Constants.googleRedirectURL
+            + "&client_id=" + Constants.fbClientId
+            + "&code_challenge=" + codeChallenge
+        
+        if let url = URL(string: authUrlString) {
+            return url
+        } else {
+            throw GenericError.somethingWentWrong
+        }
+    }
+    
+    func sha256(string: String) -> String? {
+        guard let data = string.data(using: .utf8) else {
+            return nil
+        }
+        
+        var hash = [UInt8](repeating: 0,  count: Int(CC_SHA256_DIGEST_LENGTH))
+        data.withUnsafeBytes {
+            _ = CC_SHA256($0.baseAddress, CC_LONG(data.count), &hash)
+        }
+        
+        let hashData = Data(Base64FS.encode(data: hash))
+        return String(data: hashData, encoding: .utf8)?
+            .trimmingCharacters(in: CharacterSet(charactersIn: "="))
+    }
+    
+    func decidePolicy(for navigationAction: WKNavigationAction) async -> WKNavigationActionPolicy {
+        guard let url = navigationAction.request.url,
+              let components = URLComponents(url: url, resolvingAgainstBaseURL: false),
+              let queryItems = components.queryItems,
+              let code = queryItems.first(where: { $0.name == "code" })?.value
+        else {
+            return .allow
+        }
+        
+        await wrapWithToast { [weak self] in
+            guard let self else { return }
+            
+            let token = try await apiService.getToken(
+                code: code,
+                codeVerifier: codeVerifier
+            )
+            await apiService.fbVerifyAssertion(
+                provider: "google.com",
+                idToken: token.id_token,
+                accessToken: token.access_token
+            )
+        }
+        
+        return .cancel
+    }
+}

AutoCat/Screens/GoogleAuthScreen/WebView.swift

@@ -0,0 +1,61 @@
+//
+//  WebView.swift
+//  AutoCat
+//
+//  Created by Selim Mustafaev on 14.04.2025.
+//  Copyright © 2025 Selim Mustafaev. All rights reserved.
+//
+
+import WebKit
+import SwiftUI
+
+struct WebView: UIViewRepresentable {
+    
+    class Coordinator: NSObject, WKNavigationDelegate {
+        
+        var decidePolicyClosure: ((WKNavigationAction) async -> WKNavigationActionPolicy)?
+        
+        func webView(_ webView: WKWebView, decidePolicyFor navigationAction: WKNavigationAction) async -> WKNavigationActionPolicy {
+            if let decidePolicyClosure {
+                return await decidePolicyClosure(navigationAction)
+            } else {
+                return .allow
+            }
+        }
+    }
+    
+    let url: URL
+    let userAgent: String?
+    
+    @State private var delegate = Coordinator()
+    
+    func makeUIView(context: Context) -> WKWebView {
+        
+        let webView = WKWebView()
+        webView.navigationDelegate = context.coordinator
+        return webView
+    }
+    
+    func updateUIView(_ webView: WKWebView, context: Context) {
+        
+        webView.customUserAgent = userAgent
+        webView.navigationDelegate = context.coordinator
+        
+        let request = URLRequest(url: url)
+        webView.load(request)
+    }
+    
+    func makeCoordinator() -> Coordinator {
+        
+        delegate
+    }
+}
+
+extension WebView {
+    
+    func decidePolicy(closure: @escaping (WKNavigationAction) async -> WKNavigationActionPolicy) -> Self {
+        
+        delegate.decidePolicyClosure = closure
+        return self
+    }
+}

AutoCat/Screens/SettingsScreen/SettingsScreen.swift

@@ -13,7 +13,8 @@ struct SettingsScreen: View {
     
     @State var viewModel: SettingsViewModel
     @State var googleSheetOpened = false
-    
+    @State var googleLoginSheetOpened = false
+
     var body: some View {
         Form {
             Section {
@@ -29,7 +30,7 @@ struct SettingsScreen: View {
                     if viewModel.googleAuthorized {
                         googleSheetOpened = true
                     } else {
-                        viewModel.googleSignIn()
+                        googleLoginSheetOpened = true
                     }
                 }
                 
@@ -83,6 +84,9 @@ struct SettingsScreen: View {
                 Text("You are currently signed in with email \(email). It will help to gather more data about vehicles.")
             }
         }
+        .sheet(isPresented: $googleLoginSheetOpened) {
+            GoogleAuthScreen()
+        }
 
     }
 }

AutoCat/Screens/SettingsScreen/SettingsViewModel.swift

@@ -82,10 +82,6 @@ class SettingsViewModel {
         coordinator?.openAuthScreen()
     }
     
-    func googleSignIn() {
-        coordinator?.openGoogleOauthPage()
-    }
-    
     func googleSignout() {
         settingService.user.firebaseIdToken = nil
         settingService.user.firebaseRefreshToken = nil

AutoCatCore/Services/ApiService/ApiError.swift

@@ -14,6 +14,7 @@ public enum ApiError: LocalizedError, Equatable {
     case emptyResponse
     case unauthorized
     case threadSafety
+    case badUrl
     case message(String)
     case httpError(Int)
     
@@ -25,6 +26,7 @@ public enum ApiError: LocalizedError, Equatable {
         case .threadSafety: "Thread safety error"
         case .message(let message): message
         case .httpError(let status): "General http error (status \(status))"
+        case .badUrl: "Bad url"
         }
     }
 }

AutoCatCore/Services/ApiService/ApiService.swift

@@ -193,6 +193,25 @@ public actor ApiService: ApiServiceProtocol {
         }
     }
     
+    public func getToken(code: String, codeVerifier: String) async throws -> TokenResponse {
+        
+        let tokenUrlString = Constants.googleTokenURL
+            + "?grant_type=authorization_code"
+            + "&code=" + code
+            + "&redirect_uri=" + Constants.googleRedirectURL
+            + "&client_id=" + Constants.fbClientId
+            + "&code_verifier=" + codeVerifier
+        
+        if let url = URL(string: tokenUrlString) {
+            var request = URLRequest(url: url)
+            request.httpMethod = "POST"
+            let (data, _) = try await URLSession.shared.data(for: request)
+            return try JSONDecoder().decode(TokenResponse.self, from: data)
+        } else {
+            throw ApiError.badUrl
+        }
+    }
+    
     // MARK: - AutoCat public API
     
     public func login(email: String, password: String) async throws -> User {

AutoCatCore/Services/ApiService/ApiServiceProtocol.swift

@@ -34,5 +34,6 @@ public protocol ApiServiceProtocol: Sendable {
     
     func getVehicles(with filter: Filter, pageToken: String?, pageSize: Int) async throws -> PagedResponse<VehicleDto>
     func fbVerifyAssertion(provider: String, idToken: String, accessToken: String?) async
+    func getToken(code: String, codeVerifier: String) async throws -> TokenResponse
     func getReport(for number: String) async throws -> VehicleDto
 }

AutoCatCore/Services/ApiService/TokenResponse.swift

@@ -0,0 +1,17 @@
+//
+//  TokenResponse.swift
+//  AutoCatCore
+//
+//  Created by Selim Mustafaev on 14.04.2025.
+//  Copyright © 2025 Selim Mustafaev. All rights reserved.
+//
+
+public struct TokenResponse: Codable, Sendable {
+    
+    public var id_token: String
+    public var refresh_token: String?
+    public var access_token: String
+    public var expires_in: Int
+    public var token_type: String
+    public var scope: String
+}

AutoCatCore/Utils/Constants.swift

@@ -52,4 +52,6 @@ public enum Constants {
     public static let reportLinkBaseURL = "https://auto.aliencat.pro/report.html"
     
     public static let audioRecordsFolder = "recordings"
+    
+    public static let userAgent = "Mozilla/5.0 (iPhone; CPU iPhone OS 18_4 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.4 Mobile/15E148 Safari/604.1"
 }