private static OAuth1Helper getOAuthHelper(string url, string httpMethod, string token, string secret)
{
OAuth1Token oAuth1Token = new OAuth1Token(SettingsTwitter.TwitterAppId, SettingsTwitter.TwitterAppSecret, token, secret);
OAuth1Helper oAuth1Helper = new OAuth1Helper(url, oAuth1Token, httpMethod);
return(oAuth1Helper);
}
/// <summary>
/// Fetches Data wrt given Tweet ID
/// </summary>
/// <param name="taskInfo">contains the TweetID for which data is to be fetched</param>
public override async Task <List <ItemMetadata> > FetchData(ConnectorTask taskInfo, string sourceInfo)
{
Trace.TraceInformation("Data fetch Started");
List <ItemMetadata> itemMetaData = new List <ItemMetadata>();
SourceInfoTwitter twitterSourceInfo = JsonConvert.DeserializeObject <SourceInfoTwitter>(sourceInfo);
OAuth1Token token = new OAuth1Token(SettingsTwitter.TwitterApiKey, SettingsTwitter.TwitterApiSecretKey, twitterSourceInfo.ClientToken, twitterSourceInfo.ClientSecret);
var filterTime = taskInfo.EndTime;
OAuth1Helper oAuth1Helper = new OAuth1Helper(url, token, HttpMethod.Get.ToString().ToUpperInvariant());
while (true)
{
Dictionary <string, string> param = getParams(taskInfo, twitterSourceInfo);
string queryString = oAuth1Helper.GetQueryString(param);
string authHeader = oAuth1Helper.GenerateAuthorizationHeader();
AuthenticationHeaderValue header = new AuthenticationHeaderValue("OAuth", authHeader);
List <Tweet> tweets = await downloader.GetWebContent <List <Tweet>, ErrorsTwitter>(queryString, header);
bool isScheduleCompleted = false;
if (tweets != null && tweets.Any())
{
var minId = tweets.Select(t => long.Parse(t.Tweetid)).ToList <long>().Min().ToString() ?? twitterSourceInfo.SinceId;
isScheduleCompleted = DateTime.Compare(DateTime.ParseExact(tweets.Where(t => t.Tweetid.Equals(minId)).First().CreatedAt, Const_TwitterDateTemplate, new System.Globalization.CultureInfo("en-US")), taskInfo.EndTime) > 0;
}
if (tweets == null || tweets.Count == 0 || isScheduleCompleted)
{
break; // When no new data to get since sinceID(last fetched tweet)
}
twitterSourceInfo.SinceId = tweets.Select(t => long.Parse(t.Tweetid)).ToList <long>().Max().ToString();
tweets.RemoveAll(t => DateTime.Compare(DateTime.ParseExact(t.CreatedAt, Const_TwitterDateTemplate, new System.Globalization.CultureInfo("en-US")), taskInfo.StartTime) < 0);
tweets.RemoveAll(t => DateTime.Compare(DateTime.ParseExact(t.CreatedAt, Const_TwitterDateTemplate, new System.Globalization.CultureInfo("en-US")), taskInfo.EndTime) > 0);
Trace.TraceInformation($"Tweets Fetched {tweets.Count}");
if (tweets.Any())
{
foreach (var tweet in tweets)
{
var enrichedTweet = await EnrichTweetWithAttachments(tweet);
itemMetaData.Add(await UploadTweet(twitterItemMapper, enrichedTweet, taskInfo));
}
twitterSourceInfo.SinceId = tweets.Select(t => long.Parse(t.Tweetid)).ToList <long>().Max().ToString();
}
}
return(itemMetaData);
}
public async Task <string> GetAccessToken(string accessCode, string redirectUrl, Dictionary <string, string> requestTokens)
{
string url = string.Format($"{SettingsTwitter.TwitterEndPoint}/oauth/access_token");
var queryParams = new Dictionary <string, string>();
queryParams.Add("oauth_verifier", accessCode);
queryParams.Add("oauth_callback", redirectUrl);
OAuth1Token oAuth1Token = new OAuth1Token(SettingsTwitter.TwitterClientToken, SettingsTwitter.TwitterClientSecret, requestTokens.Where(k => k.Key == "ClientToken").FirstOrDefault().Value, requestTokens.Where(k => k.Key == "ClientSecret").FirstOrDefault().Value);
OAuth1Helper oAuth1Helper = new OAuth1Helper(url, oAuth1Token, HttpMethod.Post.ToString().ToUpperInvariant());
var qstr = oAuth1Helper.GetQueryString(queryParams);
string tempToken = oAuth1Helper.GenerateAuthorizationHeader();
var requestHeaders = new Dictionary <string, string>();
requestHeaders.Add("Authorization", "OAuth " + tempToken);
return(await this.Client.PostRequestAsync <Dictionary <string, string>, string>(url, requestHeaders, queryParams, CancellationToken.None));
}
static void AuthorizeTwitterAccess_UsingOutOfBandPincode()
{
// Get Twitter API keys from file (don't want the secret parts hardcoded in public repository
TwitterKeys keys = ReadKeys();
// Configure OAuth1 with the stuff it needs for it's magic
OAuth1Settings settings = new OAuth1Settings
{
ConsumerKey = keys.consumer_key,
ConsumerSecrect = keys.consumer_secret,
RequestTokenUrl = new Uri(Session.BaseUri, TwitterApi.OAuthRequestTokenPath),
AuthorizeUrl = new Uri(Session.BaseUri, TwitterApi.OAuthAuthorizePath),
AccessTokenUrl = new Uri(Session.BaseUri, TwitterApi.OAuthAccessTokenPath),
CallbackUrl = "oob" // oob = Out Of Band
};
Session.OAuth1Configure(settings);
// Attach a logger after settings has been assigned (use debugger for breakpoints inside it)
Session.OAuth1Logger(new OAuth1Logger());
// Get temporary credentials from Twitter (request token) and remember it internally
OAuth1Token requestToken = Session.OAuth1GetRequestToken();
// Ask user to authorize use of the request token
Console.WriteLine("Now opening a browser with autorization info. Please follow instructions there.");
Request authorizationRequest = Session.Bind(TwitterApi.OAuthAuthorizePath, requestToken);
Process.Start(authorizationRequest.Url.AbsoluteUri);
Console.WriteLine("Please enter Twitter pincode: ");
string pincode = Console.ReadLine();
if (!string.IsNullOrWhiteSpace(pincode))
{
// Get access credentials from Twitter
Session.OAuth1GetAccessTokenFromRequestToken(pincode);
}
}
public void SaveRequestToken(string key, OAuth1Token credential)
{
cache.Set(BuildCacheKey(key), credential, TimeSpan.FromMinutes(15));
}
/// <summary>
/// Gets the Twitter access token.
/// </summary>
/// <param name="requestToken">The request token.</param>
/// <param name="verifier">The verifier.</param>
/// <returns><see cref="OAuth1TokenCredential"/> object.</returns>
/// <author>Anwar</author>
/// <datetime>3/26/2011 3:31 PM</datetime>
public OAuth1TokenCredential GetAccessToken(OAuth1Token requestToken, string verifier)
{
return(this.GetAccessToken(requestToken, TwitterConstants.AccessToken, verifier));
}
