/// <summary>
/// Following the 3-legged authorization, you can exchange a request token for an access token
/// using this method. This is the third and final step of the authorization process.
/// </summary>
/// <param name="verifier">The verification key received after the user has accepted the app.</param>
/// <returns>An instance of <see cref="SocialOAuthAccessTokenResponse"/> representing the response.</returns>
/// <see>
/// <cref>https://dev.twitter.com/docs/auth/3-legged-authorization</cref>
/// </see>
public virtual SocialOAuthAccessTokenResponse GetAccessToken(string verifier)
{
// Make the call to the API/provider
SocialHttpResponse response = GetAccessTokenResponse(verifier);
// Parse the response body
SocialOAuthAccessToken body = SocialOAuthAccessToken.Parse(this, response.Body);
// Parse the response
return(SocialOAuthAccessTokenResponse.ParseResponse(response, body));
}
/// <summary>
/// Following the 3-legged authorization, you can exchange a request token for an access token
/// using this method. This is the third and final step of the authorization process.
/// </summary>
/// <param name="verifier">The verification key received after the user has accepted the app.</param>
/// <returns>An instance of <see cref="SocialOAuthAccessTokenResponse"/> representing the response.</returns>
/// <see>
/// <cref>https://dev.twitter.com/docs/auth/3-legged-authorization</cref>
/// </see>
public virtual SocialOAuthAccessTokenResponse GetAccessToken(string verifier)
{
// Some error checking
if (String.IsNullOrWhiteSpace(verifier))
{
throw new ArgumentNullException(nameof(verifier));
}
// Make the call to the API/provider
SocialHttpResponse response = GetAccessTokenResponse(verifier);
// Parse the response body
SocialOAuthAccessToken body = SocialOAuthAccessToken.Parse(this, response.Body);
// Parse the response
return(SocialOAuthAccessTokenResponse.ParseResponse(response, body));
}
public ActionResult LinkTwitter(string oauth_token, string oauth_verifier)
{
// Get the member of the current ID
int memberId = Members.GetCurrentMemberId();
if (memberId <= 0)
{
return(GetErrorResult("Oh noes! An error happened."));
}
try
{
IPublishedContent profilePage = Umbraco.TypedContent(1057);
if (profilePage == null)
{
return(GetErrorResult("Oh noes! This really shouldn't happen."));
}
// Initialize the OAuth client
TwitterOAuthClient client = new TwitterOAuthClient();
client.ConsumerKey = WebConfigurationManager.AppSettings["twitterConsumerKey"];
client.ConsumerSecret = WebConfigurationManager.AppSettings["twitterConsumerSecret"];
// Grab the request token from the session
SocialOAuthRequestToken requestToken = Session[oauth_token] as SocialOAuthRequestToken;
if (requestToken == null)
{
return(GetErrorResult("Session expired? Please click the link below and try to link with your Twitter account again ;)"));
}
// Update the OAuth client with information from the request token
client.Token = requestToken.Token;
client.TokenSecret = requestToken.TokenSecret;
// Make the request to the Twitter API to get the access token
SocialOAuthAccessTokenResponse response = client.GetAccessToken(oauth_verifier);
// Get the access token from the response body
TwitterOAuthAccessToken accessToken = (TwitterOAuthAccessToken)response.Body;
// Update the OAuth client properties
client.Token = accessToken.Token;
client.TokenSecret = accessToken.TokenSecret;
// Initialize a new service instance from the OAUth client
var service = Skybrud.Social.Twitter.TwitterService.CreateFromOAuthClient(client);
// Get some information about the authenticated Twitter user
TwitterAccount user;
try
{
// Initialize the options for the request (we don't need the status)
var options = new TwitterVerifyCrendetialsOptions
{
SkipStatus = true
};
// Make the request to the Twitter API
var userResponse = service.Account.VerifyCredentials(options);
// Update the "user" variable
user = userResponse.Body;
}
catch (Exception ex)
{
LogHelper.Error <ProfileController>("Unable to get user information from the Twitter API", ex);
return(GetErrorResult("Oh noes! An error happened."));
}
// Get a reference to the member searcher
BaseSearchProvider searcher = ExamineManager.Instance.SearchProviderCollection["InternalMemberSearcher"];
// Initialize new search criteria for the Twitter screen name
ISearchCriteria criteria = searcher.CreateSearchCriteria();
criteria = criteria.RawQuery($"twitter:{user.ScreenName}");
// Check if there are other members with the same Twitter screen name
foreach (var result in searcher.Search(criteria))
{
if (result.Id != memberId)
{
LogHelper.Info <ProfileController>("Failed setting Twitter screen name for user with ID " + memberId + ". Username is already used by member with ID " + result.Id + ".");
return(GetErrorResult("Another member already exists with the same Twitter screen name."));
}
}
// Get the member from the member service
var ms = ApplicationContext.Services.MemberService;
var mem = ms.GetById(memberId);
// Update the "twitter" property and save the value
mem.SetValue("twitter", user.ScreenName);
mem.SetValue("twitterId", user.IdStr);
mem.SetValue("twitterData", user.JObject.ToString());
ms.Save(mem);
// Clear the runtime cache for the member
ApplicationContext.ApplicationCache.RuntimeCache.ClearCacheItem("MemberData" + mem.Username);
// Redirect the member back to the profile page
return(RedirectToUmbracoPage(1057));
}
catch (Exception ex)
{
LogHelper.Error <ProfileController>("Unable to link with Twitter user for member with ID " + memberId, ex);
return(GetErrorResult("Oh noes! An error happened."));
}
}
