Skip to content
Permalink
master
Switch branches/tags

Name already in use

A tag already exists with the provided branch name. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. Are you sure you want to create this branch?
Go to file
 
 
Cannot retrieve contributors at this time
using System;
using Xamarin.Auth;
namespace Xamarin_GoogleAuth.Authentication
{
public class GoogleAuthenticator
{
private const string AuthorizeUrl = "https://accounts.google.com/o/oauth2/v2/auth";
private const string AccessTokenUrl = "https://www.googleapis.com/oauth2/v4/token";
private const bool IsUsingNativeUI = true;
private OAuth2Authenticator _auth;
private IGoogleAuthenticationDelegate _authenticationDelegate;
public GoogleAuthenticator(string clientId, string scope, string redirectUrl, IGoogleAuthenticationDelegate authenticationDelegate)
{
_authenticationDelegate = authenticationDelegate;
_auth = new OAuth2Authenticator(clientId, string.Empty, scope,
new Uri(AuthorizeUrl),
new Uri(redirectUrl),
new Uri(AccessTokenUrl),
null, IsUsingNativeUI);
_auth.Completed += OnAuthenticationCompleted;
_auth.Error += OnAuthenticationFailed;
}
public OAuth2Authenticator GetAuthenticator()
{
return _auth;
}
public void OnPageLoading(Uri uri)
{
_auth.OnPageLoading(uri);
}
private void OnAuthenticationCompleted(object sender, AuthenticatorCompletedEventArgs e)
{
if (e.IsAuthenticated)
{
var token = new GoogleOAuthToken
{
TokenType = e.Account.Properties["token_type"],
AccessToken = e.Account.Properties["access_token"]
};
_authenticationDelegate.OnAuthenticationCompleted(token);
}
else
{
_authenticationDelegate.OnAuthenticationCanceled();
}
}
private void OnAuthenticationFailed(object sender, AuthenticatorErrorEventArgs e)
{
_authenticationDelegate.OnAuthenticationFailed(e.Message, e.Exception);
}
}
}