/// <summary>
/// Tries to login with Google Auth
/// </summary>
public void Login()
{
string code = Request.QueryString["code"];
string error = Request.QueryString["error"];
string baseUrl = System.Configuration.ConfigurationManager.AppSettings["baseUrl"];
GoogleOAuthClient oauth = new GoogleOAuthClient
{
ClientId = "clientId",
ClientSecret = "clientSecret",
RedirectUri = baseUrl + "/umbraco/surface/auth/login"
};
// Handle if an error occurs during the Google authentication (eg. if the user cancels the login)
if (!String.IsNullOrWhiteSpace(error))
{
return;
}
// Handle the state when the user is redirected back to our page after a successful login with the Google API
if (!String.IsNullOrWhiteSpace(code))
{
MemberServiceController memberService = new MemberServiceController();
// Exchange the authorization code for an access token
GoogleAccessTokenResponse response = oauth.GetAccessTokenFromAuthorizationCode(code);
string accessToken = response.AccessToken;
// Initialize a new instance of the GoogleService class so we can make calls to the API
GoogleService service = GoogleService.CreateFromAccessToken(accessToken);
// Make a call to the API to get information about the authenticated user
GoogleUserInfo user = service.GetUserInfo();
//Checks whether the user is logging in with a emakina account
if (memberService.CreateNewMember(user.GivenName, user.FamilyName, user.Email, user.Id, user.Picture))
{
FormsAuthentication.SetAuthCookie("google_" + user.Id, false);
Response.Redirect("/");
}
else
{
return;
}
}
else
{
string redirect = (Request.QueryString["redirect"] ?? "/");
// Set the state (a unique/random value)
string state = Guid.NewGuid().ToString();
Session["Google_" + state] = redirect;
// Construct the authorization URL
string authorizationUrl = oauth.GetAuthorizationUrl(state, GoogleScopes.Email + GoogleScopes.Profile, GoogleAccessType.Online, GoogleApprovalPrompt.Force);
// Redirect the user to the OAuth dialog
Response.Redirect(authorizationUrl);
}
}
/// <summary>
/// Initializes a new instance based on the specified refresh token.
/// The refresh token is used for making a call to the Google Accounts
/// API to get a new access token. Access tokens typically expire after
/// an hour (3600 seconds).
/// </summary>
/// <param name="clientId">The client ID.</param>
/// <param name="clientSecret">The client secret.</param>
/// <param name="refreshToken">The refresh token of the user.</param>
public static GoogleService CreateFromRefreshToken(string clientId, string clientSecret, string refreshToken)
{
// Validation
if (String.IsNullOrWhiteSpace(clientId))
{
throw new ArgumentException("Parameter \"clientId\" cannot be NULL or empty", "clientId");
}
if (String.IsNullOrWhiteSpace(clientSecret))
{
throw new ArgumentException("Parameter \"clientSecret\" cannot be NULL or empty", "clientSecret");
}
if (String.IsNullOrWhiteSpace(refreshToken))
{
throw new ArgumentException("Parameter \"refreshToken\" cannot be NULL or empty", "refreshToken");
}
// Partial client ID?
if (!clientId.EndsWith(".apps.googleusercontent.com"))
{
clientId = clientId + ".apps.googleusercontent.com";
}
// Initialize a new OAuth client with the specified client id and client secret
GoogleOAuthClient client = new GoogleOAuthClient {
ClientId = clientId,
ClientSecret = clientSecret
};
// Get a new access token from the specified request token
GoogleAccessTokenResponse response = client.GetAccessTokenFromRefreshToken(refreshToken);
// Set the access token on the client
client.AccessToken = response.AccessToken;
// Initialize a new GoogleService instance based on the OAuth client
return(new GoogleService {
Client = client
});
}
public ActionResult GoogleLogin()
{
var resultMessage = new GenericMessageViewModel();
Callback = Request.QueryString["callback"];
ContentTypeAlias = Request.QueryString["contentTypeAlias"];
PropertyAlias = Request.QueryString["propertyAlias"];
Feature = Request.QueryString["feature"];
if (AuthState != null)
{
var stateValue = Session["Dialogue_" + AuthState] as NameValueCollection;
if (stateValue != null)
{
Callback = stateValue["Callback"];
ContentTypeAlias = stateValue["ContentTypeAlias"];
PropertyAlias = stateValue["PropertyAlias"];
Feature = stateValue["Feature"];
}
}
if (string.IsNullOrEmpty(Dialogue.Settings().GoogleClientId) ||
string.IsNullOrEmpty(Dialogue.Settings().GoogleClientSecret))
{
resultMessage.Message = "You need to add the Google app credentials";
resultMessage.MessageType = GenericMessages.Danger;
}
else
{
// Configure the OAuth client based on the options of the prevalue options
var client = new GoogleOAuthClient
{
ClientId = Dialogue.Settings().GoogleClientId,
ClientSecret = Dialogue.Settings().GoogleClientSecret,
RedirectUri = ReturnUrl
};
// Session expired?
if (AuthState != null && Session["Dialogue_" + AuthState] == null)
{
resultMessage.Message = "Session Expired";
resultMessage.MessageType = GenericMessages.Danger;
}
// Check whether an error response was received from Google
if (AuthError != null)
{
resultMessage.Message = AuthErrorDescription;
resultMessage.MessageType = GenericMessages.Danger;
if (AuthState != null)
{
Session.Remove("Dialogue_" + AuthState);
}
}
// Redirect the user to the Google login dialog
if (AuthCode == null)
{
// Generate a new unique/random state
var state = Guid.NewGuid().ToString();
// Save the state in the current user session
Session["Dialogue_" + state] = new NameValueCollection {
{ "Callback", Callback },
{ "ContentTypeAlias", ContentTypeAlias },
{ "PropertyAlias", PropertyAlias },
{ "Feature", Feature }
};
// Declare the scope
var scope = new[] {
GoogleScope.OpenId,
GoogleScope.Email,
GoogleScope.Profile
};
// Construct the authorization URL
var url = client.GetAuthorizationUrl(state, scope, GoogleAccessType.Offline, GoogleApprovalPrompt.Force);
// Redirect the user
return(Redirect(url));
}
var info = new GoogleAccessTokenResponse();
try
{
info = client.GetAccessTokenFromAuthorizationCode(AuthCode);
}
catch (Exception ex)
{
resultMessage.Message = string.Format("Unable to acquire access token<br/>{0}", ex.Message);
resultMessage.MessageType = GenericMessages.Danger;
}
try
{
// Initialize the Google service
var service = GoogleService.CreateFromRefreshToken(client.ClientIdFull, client.ClientSecret, info.RefreshToken);
// Get information about the authenticated user
var user = service.GetUserInfo();
using (UnitOfWorkManager.NewUnitOfWork())
{
var userExists = AppHelpers.UmbServices().MemberService.GetByEmail(user.Email);
if (userExists != null)
{
// Update access token
userExists.Properties[AppConstants.PropMemberGoogleAccessToken].Value = info.RefreshToken;
AppHelpers.UmbServices().MemberService.Save(userExists);
// Users already exists, so log them in
FormsAuthentication.SetAuthCookie(userExists.Username, true);
resultMessage.Message = Lang("Members.NowLoggedIn");
resultMessage.MessageType = GenericMessages.Success;
}
else
{
// Not registered already so register them
var viewModel = new RegisterViewModel
{
Email = user.Email,
LoginType = LoginType.Google,
Password = AppHelpers.RandomString(8),
UserName = user.Name,
SocialProfileImageUrl = user.Picture,
UserAccessToken = info.RefreshToken
};
return(RedirectToAction("MemberRegisterLogic", "DialogueLoginRegisterSurface", viewModel));
}
}
}
catch (Exception ex)
{
resultMessage.Message = string.Format("Unable to get user information<br/>{0}", ex.Message);
resultMessage.MessageType = GenericMessages.Danger;
}
}
ShowMessage(resultMessage);
return(RedirectToUmbracoPage(Dialogue.Settings().ForumId));
}
public virtual ActionResult GoogleLogin()
{
var resultMessage = new GenericMessageViewModel();
Callback = Request.QueryString["callback"];
ContentTypeAlias = Request.QueryString["contentTypeAlias"];
PropertyAlias = Request.QueryString["propertyAlias"];
Feature = Request.QueryString["feature"];
if (AuthState != null)
{
var stateValue = Session[$"MvcForum_{AuthState}"] as NameValueCollection;
if (stateValue != null)
{
Callback = stateValue["Callback"];
ContentTypeAlias = stateValue["ContentTypeAlias"];
PropertyAlias = stateValue["PropertyAlias"];
Feature = stateValue["Feature"];
}
}
if (string.IsNullOrWhiteSpace(ForumConfiguration.Instance.GooglePlusAppId) ||
string.IsNullOrWhiteSpace(ForumConfiguration.Instance.GooglePlusAppSecret))
{
resultMessage.Message = "You need to add the Google app credentials";
resultMessage.MessageType = GenericMessages.danger;
}
else
{
// Configure the OAuth client based on the options of the prevalue options
var client = new GoogleOAuthClient
{
ClientId = ForumConfiguration.Instance.GooglePlusAppId,
ClientSecret = ForumConfiguration.Instance.GooglePlusAppSecret,
RedirectUri = ReturnUrl
};
// Session expired?
if (AuthState != null && Session[$"MvcForum_{AuthState}"] == null)
{
resultMessage.Message = "Session Expired";
resultMessage.MessageType = GenericMessages.danger;
}
// Check whether an error response was received from Google
if (AuthError != null)
{
resultMessage.Message = AuthErrorDescription;
resultMessage.MessageType = GenericMessages.danger;
if (AuthState != null)
{
Session.Remove($"MvcForum_{AuthState}");
}
}
// Redirect the user to the Google login dialog
if (AuthCode == null)
{
// Generate a new unique/random state
var state = Guid.NewGuid().ToString();
// Save the state in the current user session
Session[$"MvcForum_{state}"] = new NameValueCollection
{
{ "Callback", Callback },
{ "ContentTypeAlias", ContentTypeAlias },
{ "PropertyAlias", PropertyAlias },
{ "Feature", Feature }
};
// Declare the scope
var scope = new[]
{
GoogleScopes.OpenId,
GoogleScopes.Email,
GoogleScopes.Profile
};
// Construct the authorization URL
var url = client.GetAuthorizationUrl(state, scope, GoogleAccessType.Offline,
GoogleApprovalPrompt.Force);
// Redirect the user
return(Redirect(url));
}
var info = new GoogleAccessTokenResponse();
try
{
info = client.GetAccessTokenFromAuthorizationCode(AuthCode);
}
catch (Exception ex)
{
resultMessage.Message = $"Unable to acquire access token<br/>{ex.Message}";
resultMessage.MessageType = GenericMessages.danger;
}
try
{
// Initialize the Google service
var service = GoogleService.CreateFromRefreshToken(client.ClientIdFull, client.ClientSecret,
info.RefreshToken);
// Get information about the authenticated user
var user = service.GetUserInfo();
var userExists = MembershipService.GetUserByEmail(user.Email);
if (userExists != null)
{
// Users already exists, so log them in
FormsAuthentication.SetAuthCookie(userExists.UserName, true);
resultMessage.Message = LocalizationService.GetResourceString("Members.NowLoggedIn");
resultMessage.MessageType = GenericMessages.success;
ShowMessage(resultMessage);
return(RedirectToAction("Index", "Home"));
}
// Not registered already so register them
var viewModel = new MemberAddViewModel
{
Email = user.Email,
LoginType = LoginType.Google,
Password = StringUtils.RandomString(8),
UserName = user.Name,
SocialProfileImageUrl = user.Picture,
UserAccessToken = info.RefreshToken
};
// Store the viewModel in TempData - Which we'll use in the register logic
TempData[Constants.MemberRegisterViewModel] = viewModel;
return(RedirectToAction("SocialLoginValidator", "Members"));
}
catch (Exception ex)
{
resultMessage.Message = $"Unable to get user information<br/>{ex.Message}";
resultMessage.MessageType = GenericMessages.danger;
LoggingService.Error(ex);
}
}
ShowMessage(resultMessage);
return(RedirectToAction("LogOn", "Members"));
}
