public async void AttemptTwitterLogin()
{
var authorizer = new UniversalAuthorizer
{
CredentialStore = new SingleUserInMemoryCredentialStore
{
ConsumerKey = apiKey.APIKey,
ConsumerSecret = apiKey.APISecret
},
SupportsCompression = true,
Callback = apiKey.APICallbackUrl
};
await authorizer.AuthorizeAsync();
_twitterCtx = new TwitterContext(authorizer);
var dm = new PassportDataModel();
dm.Token = authorizer.CredentialStore.OAuthToken;
dm.TokenSecret = authorizer.CredentialStore.OAuthTokenSecret;
dm.Verifier = authorizer.Parameters["oauth_verifier"];
dm.PassType = GroupingType;
dm.UserId = authorizer.CredentialStore.UserID.ToString();
dm.UserName = authorizer.CredentialStore.ScreenName;
dm.FullName = authorizer.CredentialStore.ScreenName;
dm.ScreenName = authorizer.CredentialStore.ScreenName;
dm.APIKeyFKID = apiKey.Id;
StorageService.Instance.Storage.Insert(dm);
PopulatePassportData();
}
public void ParseAuthenticationResult(WebAuthenticationResult result)
{
switch (result.ResponseStatus)
{
case WebAuthenticationStatus.ErrorHttp:
//Debug.WriteLine("Error");
break;
case WebAuthenticationStatus.Success:
var pattern = string.Format("{0}#access_token={1}&expires_in={2}", WebAuthenticationBroker.GetCurrentApplicationCallbackUri(), "(?<access_token>.+)", "(?<expires_in>.+)");
var match = Regex.Match(result.ResponseData, pattern);
var access_token = match.Groups["access_token"];
var expires_in = match.Groups["expires_in"];
_accessToken = access_token.Value;
_tokenExpiry = DateTime.Now.AddSeconds(double.Parse(expires_in.Value));
var dm = new PassportDataModel();
dm.Token = _accessToken;
dm.TokenExpiry = _tokenExpiry;
//dm.TokenSecret = AccessToken.TokenSecret;
//dm.Verifier = xoauth_verifier;
dm.PassType = GroupingType;
//dm.UserId = AccessToken.UserId;
//dm.UserName = AccessToken.Username;
//dm.FullName = AccessToken.FullName;
//dm.ScreenName = AccessToken.ScreenName;
dm.APIKeyFKID = apiKey.Id;
StorageService.Instance.Storage.Insert(dm);
IsLoggedInVisible = Visibility.Visible;
IsLoginVisible = Visibility.Collapsed;
IsAPIEditorVisible = Visibility.Collapsed;
break;
case WebAuthenticationStatus.UserCancel:
//Debug.WriteLine("Operation aborted");
break;
default:
break;
}
}
private async void ctlApiEditor_SaveComplete(object sender, EventArgs e)
{
apiKey = ctlApiEditor.APIKey;
try
{
_flickr.ApiKey = apiKey.APIKey;
_flickr.ApiSecret = apiKey.APISecret;
// Acquiring a request token
TimeSpan SinceEpoch = DateTime.UtcNow - new DateTime(1970, 1, 1);
Random Rand = new Random();
String FlickrUrl = "https://secure.flickr.com/services/oauth/request_token";
Int32 Nonce = Rand.Next(1000000000);
// Compute base signature string and sign it.
// This is a common operation that is required for all requests even after the token is obtained.
// Parameters need to be sorted in alphabetical order
// Keys and values should be URL Encoded.
String SigBaseStringParams = "oauth_callback=" + Uri.EscapeDataString(apiKey.APICallbackUrl);
SigBaseStringParams += "&" + "oauth_consumer_key=" + apiKey.APIKey;
SigBaseStringParams += "&" + "oauth_nonce=" + Nonce.ToString();
SigBaseStringParams += "&" + "oauth_signature_method=HMAC-SHA1";
SigBaseStringParams += "&" + "oauth_timestamp=" + Math.Round(SinceEpoch.TotalSeconds);
SigBaseStringParams += "&" + "oauth_version=1.0";
String SigBaseString = "GET&";
SigBaseString += Uri.EscapeDataString(FlickrUrl) + "&" + Uri.EscapeDataString(SigBaseStringParams);
IBuffer KeyMaterial = CryptographicBuffer.ConvertStringToBinary(apiKey.APISecret + "&", BinaryStringEncoding.Utf8);
MacAlgorithmProvider HmacSha1Provider = MacAlgorithmProvider.OpenAlgorithm("HMAC_SHA1");
CryptographicKey MacKey = HmacSha1Provider.CreateKey(KeyMaterial);
IBuffer DataToBeSigned = CryptographicBuffer.ConvertStringToBinary(SigBaseString, BinaryStringEncoding.Utf8);
IBuffer SignatureBuffer = CryptographicEngine.Sign(MacKey, DataToBeSigned);
String Signature = CryptographicBuffer.EncodeToBase64String(SignatureBuffer);
FlickrUrl += "?" + SigBaseStringParams + "&oauth_signature=" + Uri.EscapeDataString(Signature);
string GetResponse = await SendDataAsync(FlickrUrl);
//rootPage.NotifyUser("Received Data: " + GetResponse, NotifyType.StatusMessage);
if (GetResponse != null)
{
String oauth_token = null;
String oauth_token_secret = null;
String[] keyValPairs = GetResponse.Split('&');
for (int i = 0; i < keyValPairs.Length; i++)
{
String[] splits = keyValPairs[i].Split('=');
switch (splits[0])
{
case "oauth_token":
oauth_token = splits[1];
break;
case "oauth_token_secret":
oauth_token_secret = splits[1];
break;
}
}
RequestToken = new OAuthRequestToken() { Token = oauth_token, TokenSecret = oauth_token_secret };
if (oauth_token != null)
{
FlickrUrl = "https://secure.flickr.com/services/oauth/authorize?oauth_token=" + oauth_token + "&perms=read";
System.Uri StartUri = new Uri(FlickrUrl);
System.Uri EndUri = new Uri(apiKey.APICallbackUrl.Contains("http") ? apiKey.APICallbackUrl : $"http://{apiKey.APICallbackUrl}");
//rootPage.NotifyUser("Navigating to: " + FlickrUrl, NotifyType.StatusMessage);
WebAuthenticationResult WebAuthenticationResult = await WebAuthenticationBroker.AuthenticateAsync(
WebAuthenticationOptions.None,
StartUri,
EndUri);
if (WebAuthenticationResult.ResponseStatus == WebAuthenticationStatus.Success)
{
OutputToken(WebAuthenticationResult.ResponseData.ToString());
String[] partsa = WebAuthenticationResult.ResponseData.ToString().Split('?');
String[] partsb = partsa[1].Split('&');
var xoauth_token = "";
var xoauth_verifier = "";
for (int i = 0; i < partsb.Length; i++)
{
String[] partsc = partsb[i].Split('=');
switch (partsc[0])
{
case "oauth_token":
xoauth_token = partsc[1];
break;
case "oauth_verifier":
xoauth_verifier = partsc[1];
break;
}
}
var rat = await _flickr.OAuthGetAccessTokenAsync(RequestToken, xoauth_verifier);
if (!rat.HasError)
{
AccessToken = rat.Result;
var dm = new PassportDataModel();
dm.Token = AccessToken.Token;
dm.TokenSecret = AccessToken.TokenSecret;
dm.Verifier = xoauth_verifier;
dm.PassType = "Flickr";
dm.UserId = AccessToken.UserId;
dm.UserName = AccessToken.Username;
dm.FullName = AccessToken.FullName;
dm.ScreenName = AccessToken.ScreenName;
dm.APIKeyFKID = apiKey.Id;
StorageService.Instance.Storage.Insert(dm);
}
}
else if (WebAuthenticationResult.ResponseStatus == WebAuthenticationStatus.ErrorHttp)
{
OutputToken("HTTP Error returned by AuthenticateAsync() : " + WebAuthenticationResult.ResponseErrorDetail.ToString());
}
else
{
OutputToken("Error returned by AuthenticateAsync() : " + WebAuthenticationResult.ResponseStatus.ToString());
}
}
}
}
catch //(Exception Error)
{
//rootPage.NotifyUser(Error.Message, NotifyType.ErrorMessage);
}
}
