static async Task BeginAuthentication(WebAuthenticator authenticator)
{
try {
var uri = (await authenticator.GetInitialUrl());
string redirectUrl = uri.GetParameter("redirect_uri");
var scheme = new Uri(redirectUrl).Scheme;
if (!VerifyHasUrlScheme(scheme))
{
authenticator.OnError($"Unable to redirect {redirectUrl}, Please add the Url Scheme to the info.plist");
return;
}
var url = new NSUrl(uri.AbsoluteUri);
var opened = NSWorkspace.SharedWorkspace.OpenUrl(url);
if (!opened)
{
authenticator.OnError("Error opening Safari");
}
else
{
authenticators [scheme] = authenticator;
}
} catch (Exception ex) {
authenticator.OnError(ex.Message);
}
}
static async Task BeginAuthentication(UIViewController presentingController, WebAuthenticator authenticator)
{
try {
var uri = (await authenticator.GetInitialUrl());
string redirectUrl = uri.GetParameter("redirect_uri");
var scheme = new Uri(redirectUrl).Scheme;
if (!VerifyHasUrlSchemeOrDoesntRequire(scheme))
{
authenticator.OnError($"Unable to redirect {scheme}, Please add the Url Scheme to the info.plist");
return;
}
var url = new NSUrl(uri.AbsoluteUri);
if (UIDevice.CurrentDevice.CheckSystemVersion(11, 0))
{
var AuthTask = new TaskCompletionSource <object>();
authenticators[scheme] = authenticator;
var sf = new SFAuthenticationSession(url, scheme,
(callbackUrl, Error) => {
if (Error == null)
{
ResumeAuth(callbackUrl.AbsoluteString);
AuthTask.SetResult(null);
}
else
{
AuthTask.SetException(new Exception($"SFAuthenticationSession Error: {Error.ToString()}"));
}
}
);
sf.Start();
await AuthTask.Task;
return;
}
if (UIDevice.CurrentDevice.CheckSystemVersion(9, 0))
{
var controller = new SFSafariViewController(url, false)
{
Delegate = new NativeSFSafariViewControllerDelegate(authenticator),
};
authenticators [scheme] = authenticator;
CurrentController = controller;
await presentingController.PresentViewControllerAsync(controller, true);
return;
}
var opened = UIApplication.SharedApplication.OpenUrl(url);
if (!opened)
{
authenticator.OnError("Error opening Safari");
}
else
{
authenticators [scheme] = authenticator;
}
} catch (Exception ex) {
authenticator.OnError(ex.Message);
}
}
protected virtual async Task <OAuthAccount> GetAccountFromAuthCode(WebAuthenticator authenticator, string identifier)
{
var postData = await authenticator.GetTokenPostData(ClientSecret);
if (string.IsNullOrWhiteSpace(TokenUrl))
{
throw new Exception("Invalid TokenURL");
}
var reply = await Client.PostAsync(TokenUrl, new FormUrlEncodedContent(postData));
var resp = await reply.Content.ReadAsStringAsync();
var result = Deserialize <OauthResponse>(resp);
if (!string.IsNullOrEmpty(result.Error))
{
throw new Exception(result.ErrorDescription);
}
var account = new OAuthAccount()
{
ExpiresIn = result.ExpiresIn,
Created = DateTime.UtcNow,
RefreshToken = result.RefreshToken,
Scope = authenticator.Scope.ToArray(),
TokenType = result.TokenType,
Token = result.AccessToken,
ClientId = ClientId,
Identifier = identifier,
};
return(account);
}
protected override async Task <Account> PerformAuthenticate()
{
if (ScopesRequired && (Scopes?.Length ?? 0) == 0)
{
throw new Exception("Scopes must be set on the API or passed into Authenticate");
}
var account = CurrentOAuthAccount ?? GetAccount <OAuthAccount> (Identifier);
if (account != null && (!string.IsNullOrWhiteSpace(account.RefreshToken) || account.ExpiresIn <= 0))
{
var valid = account.IsValid();
if (!valid || ForceRefresh)
{
if (!(await Ping(TokenUrl)))
{
return(account);
}
if (await RefreshAccount(account))
{
account = CurrentOAuthAccount ?? GetAccount <OAuthAccount> (Identifier);
}
}
if (account.IsValid())
{
SaveAccount(account);
CurrentAccount = account;
return(account);
}
}
authenticator = CreateAuthenticator();
authenticator.Cookies = account?.Cookies;
await authenticator.PrepareAuthenticator();
if (CurrentShowAuthenticator != null)
{
CurrentShowAuthenticator(authenticator);
}
else
{
ShowAuthenticator(authenticator);
}
var token = await authenticator.GetAuthCode();
if (string.IsNullOrEmpty(token))
{
throw new Exception("Null token");
}
account = await GetAccountFromAuthCode(authenticator, Identifier);
account.Identifier = Identifier;
SaveAccount(account);
CurrentAccount = account;
return(account);
}
protected override Task<OAuthAccount> GetAccountFromAuthCode (WebAuthenticator authenticator, string identifier)
{
var auth = authenticator as OAuthPasswordAuthenticator;
var account = new OAuthAccount () {
ExpiresIn = auth.Token.ExpiresIn,
Created = DateTime.UtcNow,
RefreshToken = auth.Token.RefreshToken,
Scope = authenticator.Scope?.ToArray (),
TokenType = auth.Token.TokenType,
Token = auth.Token.AccessToken,
ClientId = ClientId,
Identifier = identifier,
};
return Task.FromResult (account);
}
public static void ShowAuthenticator(UIViewController presentingController, WebAuthenticator authenticator)
{
var urls = GetCFBundleURLSchemes();
if (!urls.Any())
{
authenticator.OnError(CFBundleUrlError);
return;
}
//TODO: validate the proper url is in there
var invoker = new Foundation.NSObject();
invoker.BeginInvokeOnMainThread(async() => await BeginAuthentication(presentingController, authenticator));
}
protected override Task <OAuthAccount> GetAccountFromAuthCode(WebAuthenticator authenticator, string identifier)
{
var auth = authenticator as OAuthPasswordAuthenticator;
var account = new OAuthAccount()
{
ExpiresIn = auth.Token.ExpiresIn,
Created = DateTime.UtcNow,
RefreshToken = auth.Token.RefreshToken,
Scope = authenticator.Scope?.ToArray(),
TokenType = auth.Token.TokenType,
Token = auth.Token.AccessToken,
ClientId = ClientId,
Identifier = identifier,
};
return(Task.FromResult(account));
}
public static void ShowAuthenticator(WebAuthenticator authenticator)
{
var invoker = new Foundation.NSObject();
invoker.BeginInvokeOnMainThread(() => {
var window = UIKit.UIApplication.SharedApplication.KeyWindow;
var root = window.RootViewController;
if (root != null)
{
var current = root;
while (current.PresentedViewController != null)
{
current = current.PresentedViewController;
}
ShowAuthenticator(current, authenticator);
}
});
}
public static void ShowAuthenticator(UIViewController presentingController, WebAuthenticator authenticator)
{
//ios 11 uses sfAuthenticationSession which doesn't require registered URL in info.plist
if (!UIDevice.CurrentDevice.CheckSystemVersion(11, 0))
{
var urls = GetCFBundleURLSchemes();
if (!urls.Any())
{
authenticator.OnError(CFBundleUrlError);
return;
}
//TODO: validate the proper url is in there
}
var invoker = new Foundation.NSObject();
invoker.BeginInvokeOnMainThread(async() => await BeginAuthentication(presentingController, authenticator));
}
protected virtual async Task <OAuthAccount> GetAccountFromAuthCode(WebAuthenticator authenticator, string identifier)
{
var postData = await authenticator.GetTokenPostData(ClientSecret);
if (string.IsNullOrWhiteSpace(TokenUrl))
{
throw new Exception("Invalid TokenURL");
}
var message = new HttpRequestMessage(HttpMethod.Post, TokenUrl)
{
Content = new FormUrlEncodedContent(postData),
Headers =
{
{ "Accept", "application/json" }
}
};
var reply = await Client.SendAsync(message);
var resp = await reply.Content.ReadAsStringAsync();
var result = Deserialize <OauthResponse> (resp);
if (!string.IsNullOrEmpty(result?.Error))
{
throw new Exception($"{result.Error} : {result.ErrorDescription}");
}
reply.EnsureSuccessStatusCode();
var account = new OAuthAccount()
{
ExpiresIn = result.ExpiresIn,
Created = DateTime.UtcNow,
RefreshToken = result.RefreshToken,
Scope = authenticator.Scope?.ToArray(),
TokenType = result.TokenType,
Token = result.AccessToken,
ClientId = ClientId,
Identifier = identifier,
Cookies = authenticator.Cookies,
IdToken = result.Id
};
return(account);
}
static async Task BeginAuthentication(WebAuthenticator authenticator)
{
try
{
var uri = (await authenticator.GetInitialUrl());
string redirectUrl = uri.GetParameter("redirect_uri");
var scheme = new Uri(redirectUrl).Scheme;
var authSession = new CustomTabsAuthSession
{
Authenticator = authenticator,
ParentActivity = activityLifecycleManager.CurrentActivity,
};
authenticators[scheme] = authSession;
authSession.CustomTabsActivityManager = new CustomTabsActivityManager(authSession.ParentActivity);
authSession.CustomTabsActivityManager.CustomTabsServiceConnected += delegate
{
var builder = new CustomTabsIntent.Builder(authSession.CustomTabsActivityManager.Session)
.SetShowTitle(true);
var customTabsIntent = builder.Build();
customTabsIntent.Intent.AddFlags(Android.Content.ActivityFlags.SingleTop | ActivityFlags.NoHistory | ActivityFlags.NewTask);
CustomTabsHelper.AddKeepAliveExtra(authSession.ParentActivity, customTabsIntent.Intent);
customTabsIntent.LaunchUrl(authSession.ParentActivity, Android.Net.Uri.Parse(uri.AbsoluteUri));
};
if (!authSession.CustomTabsActivityManager.BindService())
{
authenticator.OnError("CustomTabs not supported.");
authenticators.Remove(scheme);
}
}
catch (Exception ex)
{
authenticator.OnError(ex.Message);
}
}
static async Task BeginAuthentication(UIViewController presentingController, WebAuthenticator authenticator)
{
try {
var uri = (await authenticator.GetInitialUrl());
string redirectUrl = uri.GetParameter("redirect_uri");
var scheme = new Uri(redirectUrl).Scheme;
if (!VerifyHasUrlScheme(scheme))
{
authenticator.OnError($"Unable to redirect {redirectUrl}, Please add the Url Scheme to the info.plist");
return;
}
var url = new NSUrl(uri.AbsoluteUri);
if (UIDevice.CurrentDevice.CheckSystemVersion(9, 0))
{
var controller = new SFSafariViewController(url, false)
{
Delegate = new NativeSFSafariViewControllerDelegate(authenticator),
};
authenticators [scheme] = authenticator;
CurrentController = controller;
await presentingController.PresentViewControllerAsync(controller, true);
return;
}
var opened = UIApplication.SharedApplication.OpenUrl(url);
if (!opened)
{
authenticator.OnError("Error opening Safari");
}
else
{
authenticators [scheme] = authenticator;
}
} catch (Exception ex) {
authenticator.OnError(ex.Message);
}
}
public static async void ShowAuthenticator(WebAuthenticator authenticator)
{
await BeginAuthentication(authenticator);
}
public OAuthController(WebAuthenticator authenticator)
{
this.authenticator = authenticator;
}
protected override async Task<Account> PerformAuthenticate()
{
if (ScopesRequired && (Scopes?.Length ?? 0) == 0)
throw new Exception("Scopes must be set on the API or passed into Authenticate");
var account = CurrentOAuthAccount ?? GetAccount<OAuthAccount>(Identifier);
if (account != null && (!string.IsNullOrWhiteSpace(account.RefreshToken) || account.ExpiresIn <= 0))
{
var valid = account.IsValid();
if (!valid || ForceRefresh)
{
if (!(await Ping(TokenUrl)))
return account;
await RefreshAccount(account);
}
if (account.IsValid())
{
SaveAccount(account);
CurrentAccount = account;
return account;
}
}
authenticator = CreateAuthenticator();
authenticator.Cookies = account?.Cookies;
if (CurrentShowAuthenticator != null)
CurrentShowAuthenticator(authenticator);
else
ShowAuthenticator(authenticator);
var token = await authenticator.GetAuthCode();
if (string.IsNullOrEmpty(token))
{
throw new Exception("Null token");
}
account = await GetAccountFromAuthCode(authenticator, Identifier);
account.Identifier = Identifier;
SaveAccount(account);
CurrentAccount = account;
return account;
}
protected virtual async Task<OAuthAccount> GetAccountFromAuthCode(WebAuthenticator authenticator, string identifier)
{
var postData = await authenticator.GetTokenPostData(ClientSecret);
if (string.IsNullOrWhiteSpace(TokenUrl))
throw new Exception("Invalid TokenURL");
var message = new HttpRequestMessage (HttpMethod.Post, TokenUrl) {
Content = new FormUrlEncodedContent (postData),
Headers = {
{"Accept","application/json"}
}
};
var reply = await Client.SendAsync (message);
var resp = await reply.Content.ReadAsStringAsync();
var result = Deserialize<OauthResponse>(resp);
if (!string.IsNullOrEmpty(result?.Error))
throw new Exception(result.ErrorDescription);
var account = new OAuthAccount () {
ExpiresIn = result.ExpiresIn,
Created = DateTime.UtcNow,
RefreshToken = result.RefreshToken,
Scope = authenticator.Scope?.ToArray (),
TokenType = result.TokenType,
Token = result.AccessToken,
ClientId = ClientId,
Identifier = identifier,
Cookies = authenticator.Cookies,
};
return account;
}
public NativeSFSafariViewControllerDelegate(WebAuthenticator authenticator)
{
this.authenticator = new WeakReference(authenticator);
}
