public GoogleAccessTokenResponse GetAccessTokenFromRefreshToken(string refreshToken)
{
// Declare the POST data
NameValueCollection postData = new NameValueCollection {
{ "client_id", ClientIdFull },
{ "client_secret", ClientSecret },
{ "refresh_token", refreshToken },
{ "grant_type", "refresh_token" }
};
// Make a call to the server
JsonObject json = SocialUtils.DoHttpPostRequestAndGetBodyAsJsonObject("https://accounts.google.com/o/oauth2/token", null, postData);
// Check for an error message
if (json.HasValue("error"))
{
throw new Exception(json.GetString("error"));
}
// Parse the JSON response
return(GoogleAccessTokenResponse.Parse(json));
}
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 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.IsNullOrEmpty(SiteConstants.Instance.GooglePlusAppId) ||
string.IsNullOrEmpty(SiteConstants.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 = SiteConstants.Instance.GooglePlusAppId,
ClientSecret = SiteConstants.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();
using (UnitOfWorkManager.NewUnitOfWork())
{
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");
}
else
{
// 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[AppConstants.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");
}
