private void SetupUserInterface()
{
var board = UIStoryboard.FromName("Main", null);
var viewController = board.InstantiateInitialViewController();
ViewController.AddChildViewController(viewController);
ViewController.View.Add(viewController.View);
}
protected override void OnElementChanged(VisualElementChangedEventArgs e)
{
base.OnElementChanged(e);
var auth = new OAuth2Authenticator(
clientId: Constants.AppId,
clientSecret: Constants.AppSecretId,
scope: Constants.ExtendedPermissions,
authorizeUrl: new Uri(Constants.AuthorizeUrl),
redirectUrl: new Uri(Constants.RedirectUrl),
accessTokenUrl: new Uri(Constants.TokenUrl));
auth.AllowCancel = false;
// If authorization succeeds or is canceled, .Completed will be fired.
auth.Completed += async(s, eargs) =>
{
if (!eargs.IsAuthenticated)
{
App.IsLoggedIn = false;
((App)App.Current).PresentLogin("Canceled!");
return;
}
var token = eargs.Account.Properties["access_token"];
await App.Current.MainPage.Navigation.PopModalAsync();
App.IsLoggedIn = true;
((App)App.Current).PresentMainPage();
};
UIViewController vc = auth.GetUI();
ViewController.AddChildViewController(vc);
ViewController.View.Add(vc.View);
vc.ChildViewControllers[0].NavigationItem.LeftBarButtonItem = new UIBarButtonItem(
UIBarButtonSystemItem.Cancel, async(o, eargs) => await App.Current.MainPage.Navigation.PopModalAsync()
);
}
void LoginToFacebook(bool allowCancel)
{
var loginPage = Element as FBLoginPage;
string providername = loginPage.ProviderName;
OAuth2Authenticator auth = null;
switch (providername)
{
case "Google":
{
auth = new OAuth2Authenticator(
// For Google login, for configure refer https://code.msdn.microsoft.com/Register-Identity-Provider-41955544
App.ClientId,
App.ClientSecret,
// Below values do not need changing
"https://www.googleapis.com/auth/userinfo.email",
new Uri(App.url2),
new Uri(App.url3), // Set this property to the location the user will be redirected too after successfully authenticating
new Uri(App.url4)
);
break;
}
case "FaceBook":
{
auth = new OAuth2Authenticator(
clientId: App.AppId,
scope: App.ExtendedPermissions,
authorizeUrl: new Uri(App.AuthorizeUrl),
redirectUrl: new Uri(App.RedirectUrl));
break;
}
}
auth.AllowCancel = allowCancel;
// If authorization succeeds or is canceled, .Completed will be fired.
auth.Completed += async(s, eargs) =>
{
if (!eargs.IsAuthenticated)
{
return;
}
else
{
//var token = eargs.Account.Properties["access_token"];
if (providername.Equals("FaceBook"))
{
// Now that we're logged in, make a OAuth2 request to get the user's info.
var request = new OAuth2Request("GET", new Uri("https://graph.facebook.com/me?fields=id,name,picture,email"), null, eargs.Account);
var result = await request.GetResponseAsync();
string resultText = result.GetResponseText();
var obj = JsonValue.Parse(resultText);
// Console.WriteLine(token + " -=- " + resultText);
App.FacebookId = obj["id"];
App.FacebookName = obj["name"];
App.EmailAddress = obj["email"];
App.ProfilePic = obj["picture"]["data"]["url"];
//
//saveset(obj["id"], obj["name"]);
// Get Shared User Defaults
var plist1 = NSUserDefaults.StandardUserDefaults;
// Save value
plist1.SetString(obj["id"], "PrefId");
plist1.SetString(obj["name"], "PrefName");
// Sync changes to database
plist1.Synchronize();
}
else
{
string url1 = "https://www.googleapis.com/oauth2/v2/userinfo";
var request = new OAuth2Request("GET", new Uri(url1), null, eargs.Account);
var response = await request.GetResponseAsync();
if (response != null)
{
HttpClient client1 = new HttpClient();
client1.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
client1.MaxResponseContentBufferSize = 256000;
//var data = client.SendAsync(request).Result;
string url = response.ResponseUri.ToString();
var data = client1.GetStringAsync(url).Result;
//var obj = JsonValue.Parse(data);
var obj = JsonConvert.DeserializeObject <UserM>(data);
App.FacebookId = obj.Id;
App.FacebookName = obj.Name;
App.EmailAddress = obj.Email;
App.ProfilePic = obj.Picture;
//
// saveset(obj["id"], obj["name"]);
// Get Shared User Defaults
var plist2 = NSUserDefaults.StandardUserDefaults;
// Save value
plist2.SetString(obj.Id, "PrefId");
plist2.SetString(obj.Name, "PrefName");
// Sync changes to database
plist2.Synchronize();
}
}
// On Android: store the account
//AccountStore.Create(Context).Save(eargs.Account, "Facebook");
//AccountStore.Create().Save(eargs.Account, "Facebook"); //Account object is securely saved on the iOS platform
//Save as a new user to the database
await App.UserManager.SaveTaskAsync
(new Models.User {
FBID = App.FacebookId,
UserName = App.FacebookName,
Email = App.EmailAddress,
ImgLink = App.ProfilePic
},
true);
//retreive gcm id
var plist = NSUserDefaults.StandardUserDefaults;
// Get value
var id = plist.StringForKey("regid");
RegisterAsync(id, new string[] { App.FacebookId + "T" }, App.FacebookId);
await App.Current.MainPage.Navigation.PopModalAsync();
App.IsLoggedIn = true;
((App)App.Current).SaveProfile();
((App)App.Current).PresentMainPage();
}
};
UIViewController vc = (UIViewController)auth.GetUI();
ViewController.AddChildViewController(vc);
ViewController.View.Add(vc.View);
vc.ChildViewControllers[0].NavigationItem.LeftBarButtonItem = new UIBarButtonItem(
UIBarButtonSystemItem.Cancel, async(o, eargs) => await App.Current.MainPage.Navigation.PopModalAsync()
);
}
public override void ViewDidAppear(bool animated)
{
base.ViewDidAppear(animated);
OAuth2Authenticator auth = null;
//todo add to appsettings
auth = new OAuth2Authenticator(
clientId: "933191510091844",
scope: "email",
authorizeUrl: new Uri("https://www.facebook.com/dialog/oauth"),
redirectUrl: new Uri("http://yourValidEndpoint.com/login_success.html"));
// we do this to be able to control the cancel flow outself...
auth.AllowCancel = false;
auth.Completed += async(sender, e) => {
if (!e.IsAuthenticated)
{
return;
}
else
{
var access = e.Account.Properties ["access_token"];
using (var handler = new ModernHttpClient.NativeMessageHandler()) {
using (var client = new HttpClient(handler)) {
var content = new FormUrlEncodedContent(new[] {
new KeyValuePair <string, string> ("accesstoken", access),
new KeyValuePair <string, string> ("grant_type", "facebook")
});
var authenticateResponse = await client.PostAsync(new Uri ("http://windows:8080/Token"), content);
if (authenticateResponse.IsSuccessStatusCode)
{
var responseContent = await authenticateResponse.Content.ReadAsStringAsync();
var authenticationTicket = JsonConvert.DeserializeObject <AuthenticatedUser> (responseContent);
if (authenticationTicket != null)
{
var apiAccessToken = authenticationTicket.Access_Token;
Settings.ApiAccessToken = apiAccessToken;
((App)App.Current).PresentMain();
}
}
}
}
}
};
UIViewController vc = auth.GetUI();
ViewController.AddChildViewController(vc);
ViewController.View.Add(vc.View);
// add out custom cancel button, to be able to navigate back
vc.ChildViewControllers [0].NavigationItem.LeftBarButtonItem = new UIBarButtonItem(
UIBarButtonSystemItem.Cancel, async(o, eargs) => await App.Current.MainPage.Navigation.PopModalAsync()
);
}