private string GetToken(string url, string httpMethod, string token, string secret, Dictionary <string, string> query)
{
OAuth1Helper oAuth1Helper = getOAuthHelper(url, httpMethod, token, secret);
var qstr = oAuth1Helper.GetQueryString(query);
return(oAuth1Helper.GenerateAuthorizationHeader());
}
/// <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));
}
