IThirdwebBrowser + iOS Google Login (#123)

Author: 0xFirekeeper

Assets/Thirdweb/Plugins/Authentication for Unity/Plugins/iOS.meta renamed to Assets/Plugins/iOS.meta

@@ -0,0 +1,30 @@
+#import <Foundation/Foundation.h>
+#import <SafariServices/SafariServices.h>
+#import <UIKit/UIKit.h>
+
+@interface iOSBrowser : NSObject <SFSafariViewControllerDelegate>
+@end
+
+@implementation iOSBrowser
+
+static UIViewController* GetCurrentViewController() {
+    UIWindow *window = [[UIApplication sharedApplication] keyWindow];
+    UIViewController *rootViewController = window.rootViewController;
+
+    UIViewController *currentController = rootViewController;
+    while (currentController.presentedViewController) {
+        currentController = currentController.presentedViewController;
+    }
+    return currentController;
+}
+
+void _OpenURL(const char* url) {
+    NSString *urlString = [NSString stringWithUTF8String:url];
+    NSURL *nsURL = [NSURL URLWithString:urlString];
+
+    SFSafariViewController *safariViewController = [[SFSafariViewController alloc] initWithURL:nsURL];
+    UIViewController *currentViewController = GetCurrentViewController();
+    [currentViewController presentViewController:safariViewController animated:YES completion:nil];
+}
+
+@end

Assets/Plugins/iOS/iOSBrowser.m

@@ -0,0 +1,65 @@
+#if UNITY_ANDROID
+
+using System;
+using System.Threading;
+using System.Threading.Tasks;
+using UnityEngine;
+
+namespace Thirdweb.Browser
+{
+    public class AndroidBrowser : IThirdwebBrowser
+    {
+        private TaskCompletionSource<BrowserResult> _taskCompletionSource;
+
+        private string _customScheme;
+
+        public async Task<BrowserResult> Login(string loginUrl, string customScheme, CancellationToken cancellationToken = default)
+        {
+            _taskCompletionSource = new TaskCompletionSource<BrowserResult>();
+
+            cancellationToken.Register(() =>
+            {
+                _taskCompletionSource?.TrySetCanceled();
+            });
+
+            _customScheme = customScheme;
+
+            Application.deepLinkActivated += OnDeepLinkActivated;
+
+            try
+            {
+                OpenURL(loginUrl);
+                var completedTask = await Task.WhenAny(_taskCompletionSource.Task, Task.Delay(TimeSpan.FromSeconds(60)));
+                if (completedTask == _taskCompletionSource.Task)
+                {
+                    return await _taskCompletionSource.Task;
+                }
+                else
+                {
+                    return new BrowserResult(BrowserStatus.Timeout, null, "The operation timed out.");
+                }
+            }
+            finally
+            {
+                Application.deepLinkActivated -= OnDeepLinkActivated;
+            }
+        }
+
+        private void OpenURL(string url)
+        {
+            AndroidJavaClass thirdwebActivityClass = new("com.unity3d.player.UnityPlayer");
+            AndroidJavaObject thirdwebActivity = thirdwebActivityClass.GetStatic<AndroidJavaObject>("currentActivity");
+            thirdwebActivity.Call("OpenCustomTab", url);
+        }
+
+        private void OnDeepLinkActivated(string url)
+        {
+            if (!url.StartsWith(_customScheme))
+                return;
+
+            _taskCompletionSource.SetResult(new BrowserResult(BrowserStatus.Success, url));
+        }
+    }
+}
+
+#endif

Assets/Thirdweb/Plugins/Authentication for Unity/Plugins/iOS/WKWebView.mm.meta renamed to Assets/Plugins/iOS/iOSBrowser.m.meta

@@ -0,0 +1,23 @@
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace Thirdweb.Browser
+{
+    public class CrossPlatformBrowser : IThirdwebBrowser
+    {
+        private IThirdwebBrowser _browser;
+
+        public async Task<BrowserResult> Login(string loginUrl, string redirectUrl, CancellationToken cancellationToken = default)
+        {
+#if UNITY_ANDROID
+            _browser = new AndroidBrowser();
+#elif UNITY_IOS
+            _browser = new IOSBrowser();
+#else
+            _browser = new StandaloneBrowser();
+#endif
+
+            return await _browser.Login(loginUrl, redirectUrl, cancellationToken);
+        }
+    }
+}

Assets/Thirdweb/Plugins/Authentication for Unity.meta renamed to Assets/Thirdweb/Core/Scripts/Browser.meta

@@ -0,0 +1,67 @@
+#if UNITY_IOS
+
+using System;
+using System.Runtime.InteropServices;
+using System.Threading;
+using System.Threading.Tasks;
+using UnityEngine;
+
+namespace Thirdweb.Browser
+{
+    public class IOSBrowser : IThirdwebBrowser
+    {
+        private TaskCompletionSource<BrowserResult> _taskCompletionSource;
+
+        private string _customScheme;
+
+        public async Task<BrowserResult> Login(string loginUrl, string customScheme, CancellationToken cancellationToken = default)
+        {
+            _taskCompletionSource = new TaskCompletionSource<BrowserResult>();
+
+            cancellationToken.Register(() =>
+            {
+                _taskCompletionSource?.TrySetCanceled();
+            });
+
+            _customScheme = customScheme;
+
+            Application.deepLinkActivated += OnDeepLinkActivated;
+
+            try
+            {
+                OpenURL(loginUrl);
+                var completedTask = await Task.WhenAny(_taskCompletionSource.Task, Task.Delay(TimeSpan.FromSeconds(60)));
+                if (completedTask == _taskCompletionSource.Task)
+                {
+                    return await _taskCompletionSource.Task;
+                }
+                else
+                {
+                    return new BrowserResult(BrowserStatus.Timeout, null, "The operation timed out.");
+                }
+            }
+            finally
+            {
+                Application.deepLinkActivated -= OnDeepLinkActivated;
+            }
+        }
+
+        [DllImport("__Internal")]
+        private static extern void _OpenURL(string url);
+
+        public void OpenURL(string url)
+        {
+            _OpenURL(url);
+        }
+
+        private void OnDeepLinkActivated(string url)
+        {
+            if (!url.StartsWith(_customScheme))
+                return;
+
+            _taskCompletionSource.SetResult(new BrowserResult(BrowserStatus.Success, url));
+        }
+    }
+}
+
+#endif

Assets/Thirdweb/Core/Scripts/Browser/AndroidBrowser.cs

@@ -0,0 +1,40 @@
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace Thirdweb.Browser
+{
+    public interface IThirdwebBrowser
+    {
+        Task<BrowserResult> Login(string loginUrl, string redirectUrl, CancellationToken cancellationToken = default);
+    }
+
+    public enum BrowserStatus
+    {
+        Success,
+        UserCanceled,
+        Timeout,
+        UnknownError,
+    }
+
+    public class BrowserResult
+    {
+        public BrowserStatus status { get; }
+
+        public string callbackUrl { get; }
+
+        public string error { get; }
+
+        public BrowserResult(BrowserStatus status, string callbackUrl)
+        {
+            this.status = status;
+            this.callbackUrl = callbackUrl;
+        }
+
+        public BrowserResult(BrowserStatus status, string callbackUrl, string error)
+        {
+            this.status = status;
+            this.callbackUrl = callbackUrl;
+            this.error = error;
+        }
+    }
+}