public ActionResult FacebookLogin()
{
var resultMessage = new GenericMessageViewModel();
Callback = Request.QueryString["callback"];
ContentTypeAlias = Request.QueryString["contentTypeAlias"];
PropertyAlias = Request.QueryString["propertyAlias"];
if (AuthState != null)
{
var stateValue = Session["Dialogue_" + AuthState] as string[];
if (stateValue != null && stateValue.Length == 3)
{
Callback = stateValue[0];
ContentTypeAlias = stateValue[1];
PropertyAlias = stateValue[2];
}
}
// Get the prevalue options
if (string.IsNullOrEmpty(Dialogue.Settings().FacebookAppId) || string.IsNullOrEmpty(Dialogue.Settings().FacebookAppSecret))
{
resultMessage.Message = "You need to add the Facebook app credentials";
resultMessage.MessageType = GenericMessages.Danger;
}
else
{
// Settings valid move on
// Configure the OAuth client based on the options of the prevalue options
var client = new FacebookOAuthClient
{
AppId = Dialogue.Settings().FacebookAppId,
AppSecret = Dialogue.Settings().FacebookAppSecret,
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 Facebook
if (AuthError != null)
{
resultMessage.Message = AuthErrorDescription;
resultMessage.MessageType = GenericMessages.Danger;
}
// Redirect the user to the Facebook 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[] { Callback, ContentTypeAlias, PropertyAlias };
// Construct the authorization URL
var url = client.GetAuthorizationUrl(state, "public_profile", "email"); //"user_friends"
// Redirect the user
return Redirect(url);
}
// Exchange the authorization code for a user access token
var userAccessToken = string.Empty;
try
{
userAccessToken = client.GetAccessTokenFromAuthCode(AuthCode);
}
catch (Exception ex)
{
resultMessage.Message = string.Format("Unable to acquire access token<br/>{0}", ex.Message);
resultMessage.MessageType = GenericMessages.Danger;
}
try
{
if (string.IsNullOrEmpty(resultMessage.Message))
{
// Initialize the Facebook service (no calls are made here)
var service = FacebookService.CreateFromAccessToken(userAccessToken);
var user = service.Users.GetUser();
// Try to get the email - Some FB accounts have protected passwords
var email = user.Body.Email;
// TODO - Ignore if no email - Have to check PropMemberFacebookAccessToken has a value
// TODO - and the me.UserName is there to match existing logged in accounts
// First see if this user has registered already - Use email address
using (UnitOfWorkManager.NewUnitOfWork())
{
var userExists = AppHelpers.UmbServices().MemberService.GetByEmail(email);
if (userExists != null)
{
// Update access token
userExists.Properties[AppConstants.PropMemberFacebookAccessToken].Value = userAccessToken;
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 = email,
LoginType = LoginType.Facebook,
Password = AppHelpers.RandomString(8),
UserName = user.Body.Name,
UserAccessToken = userAccessToken
};
// Get the image and save it
var getImageUrl = string.Format("http://graph.facebook.com/{0}/picture?type=square", user.Body.Id);
viewModel.SocialProfileImageUrl = getImageUrl;
//Large size photo https://graph.facebook.com/{facebookId}/picture?type=large
//Medium size photo https://graph.facebook.com/{facebookId}/picture?type=normal
//Small size photo https://graph.facebook.com/{facebookId}/picture?type=small
//Square photo https://graph.facebook.com/{facebookId}/picture?type=square
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 FacebookLogin()
{
var resultMessage = new GenericMessageViewModel();
Callback = Request.QueryString["callback"];
ContentTypeAlias = Request.QueryString["contentTypeAlias"];
PropertyAlias = Request.QueryString["propertyAlias"];
if (AuthState != null)
{
var stateValue = Session["MVCForum_" + AuthState] as string[];
if (stateValue != null && stateValue.Length == 3)
{
Callback = stateValue[0];
ContentTypeAlias = stateValue[1];
PropertyAlias = stateValue[2];
}
}
// Get the prevalue options
if (string.IsNullOrEmpty(SiteConstants.Instance.FacebookAppId) ||
string.IsNullOrEmpty(SiteConstants.Instance.FacebookAppSecret))
{
resultMessage.Message = "You need to add the Facebook app credentials";
resultMessage.MessageType = GenericMessages.danger;
}
else
{
// Settings valid move on
// Configure the OAuth client based on the options of the prevalue options
var client = new FacebookOAuthClient
{
AppId = SiteConstants.Instance.FacebookAppId,
AppSecret = SiteConstants.Instance.FacebookAppSecret,
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 Facebook
if (AuthError != null)
{
Session.Remove("MVCForum_" + AuthState);
resultMessage.Message = AuthErrorDescription;
resultMessage.MessageType = GenericMessages.danger;
}
// Redirect the user to the Facebook 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[] { Callback, ContentTypeAlias, PropertyAlias };
// Construct the authorization URL
var url = client.GetAuthorizationUrl(state, "public_profile", "email"); //"user_friends"
// Redirect the user
return Redirect(url);
}
// Exchange the authorization code for a user access token
var userAccessToken = string.Empty;
try
{
userAccessToken = client.GetAccessTokenFromAuthCode(AuthCode);
}
catch (Exception ex)
{
resultMessage.Message = string.Format("Unable to acquire access token<br/>{0}", ex.Message);
resultMessage.MessageType = GenericMessages.danger;
}
try
{
if (string.IsNullOrEmpty(resultMessage.Message))
{
// Initialize the Facebook service (no calls are made here)
var service = FacebookService.CreateFromAccessToken(userAccessToken);
// Declare the options for the call to the API
var options = new FacebookGetUserOptions
{
Identifier = "me",
Fields = new[] { "id", "name", "email", "first_name", "last_name", "gender" }
};
var user = service.Users.GetUser(options);
// Try to get the email - Some FB accounts have protected passwords
var email = user.Body.Email;
if (string.IsNullOrEmpty(email))
{
resultMessage.Message = LocalizationService.GetResourceString("Members.UnableToGetEmailAddress");
resultMessage.MessageType = GenericMessages.danger;
ShowMessage(resultMessage);
return RedirectToAction("LogOn", "Members");
}
// First see if this user has registered already - Use email address
using (UnitOfWorkManager.NewUnitOfWork())
{
var userExists = MembershipService.GetUserByEmail(email);
if (userExists != null)
{
try
{
// 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");
}
catch (Exception ex)
{
LoggingService.Error(ex);
}
}
else
{
// Not registered already so register them
var viewModel = new MemberAddViewModel
{
Email = email,
LoginType = LoginType.Facebook,
Password = StringUtils.RandomString(8),
UserName = user.Body.Name,
UserAccessToken = userAccessToken
};
// Get the image and save it
var getImageUrl = string.Format("http://graph.facebook.com/{0}/picture?type=square", user.Body.Id);
viewModel.SocialProfileImageUrl = getImageUrl;
//Large size photo https://graph.facebook.com/{facebookId}/picture?type=large
//Medium size photo https://graph.facebook.com/{facebookId}/picture?type=normal
//Small size photo https://graph.facebook.com/{facebookId}/picture?type=small
//Square photo https://graph.facebook.com/{facebookId}/picture?type=square
// 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 = string.Format("Unable to get user information<br/>{0}", ex.Message);
resultMessage.MessageType = GenericMessages.danger;
LoggingService.Error(ex);
}
}
ShowMessage(resultMessage);
return RedirectToAction("LogOn", "Members");
}
protected void Page_Load(object sender, EventArgs e) {
Callback = Request.QueryString["callback"];
ContentTypeAlias = Request.QueryString["contentTypeAlias"];
PropertyAlias = Request.QueryString["propertyAlias"];
if (AuthState != null) {
string[] stateValue = Session["Skybrud.Social_" + AuthState] as string[];
if (stateValue != null && stateValue.Length == 3) {
Callback = stateValue[0];
ContentTypeAlias = stateValue[1];
PropertyAlias = stateValue[2];
}
}
// Get the prevalue options
FacebookOAuthPreValueOptions options = FacebookOAuthPreValueOptions.Get(ContentTypeAlias, PropertyAlias);
if (!options.IsValid) {
Content.Text = "Hold on now! The options of the underlying prevalue editor isn't valid.";
return;
}
// Configure the OAuth client based on the options of the prevalue options
FacebookOAuthClient client = new FacebookOAuthClient {
AppId = options.AppId,
AppSecret = options.AppSecret,
RedirectUri = options.RedirectUri
};
// Session expired?
if (AuthState != null && Session["Skybrud.Social_" + AuthState] == null) {
Content.Text = "<div class=\"error\">Session expired?</div>";
return;
}
// Check whether an error response was received from Facebook
if (AuthError != null) {
Content.Text = "<div class=\"error\">Error: " + AuthErrorDescription + "</div>";
return;
}
// Redirect the user to the Facebook login dialog
if (AuthCode == null) {
// Generate a new unique/random state
string state = Guid.NewGuid().ToString();
// Save the state in the current user session
Session["Skybrud.Social_" + state] = new[] {Callback, ContentTypeAlias, PropertyAlias};
// Construct the authorization URL
string url = client.GetAuthorizationUrl(state, "read_stream", "user_status", "user_about_me", "user_photos");
// Redirect the user
Response.Redirect(url);
return;
}
// Exchange the authorization code for a user access token
string userAccessToken;
try {
userAccessToken = client.GetAccessTokenFromAuthCode(AuthCode);
} catch (Exception ex) {
Content.Text = "<div class=\"error\"><b>Unable to acquire access token</b><br />" + ex.Message + "</div>";
return;
}
try {
// Initialize the Facebook service (no calls are made here)
FacebookService service = FacebookService.CreateFromAccessToken(userAccessToken);
// Make a call to the Facebook API to get information about the user
FacebookUser me = service.Users.GetUser("me").Body;
// Get debug information about the access token
FacebookDebugToken debug = service.Debug.DebugToken(userAccessToken).Body;
Content.Text += "<p>Hi <strong>" + me.Name + "</strong></p>";
Content.Text += "<p>Please wait while you're being redirected...</p>";
// Set the callback data
FacebookOAuthData data = new FacebookOAuthData {
Id = me.Id,
Name = me.Name,
AccessToken = userAccessToken,
ExpiresAt = debug.Data.ExpiresAt == null ? default(DateTime) : debug.Data.ExpiresAt.Value,
Scope = (
from scope in debug.Data.Scopes select scope.Name
).ToArray()
};
// Update the UI and close the popup window
Page.ClientScript.RegisterClientScriptBlock(GetType(), "callback", String.Format(
"self.opener." + Callback + "({0}); window.close();",
data.Serialize()
), true);
} catch (Exception ex) {
Content.Text = "<div class=\"error\"><b>Unable to get user information</b><br />" + ex.Message + "</div>";
return;
}
}