internal static Auth2 Get(string clientID)
{
Auth2 oAuth = new Auth2();
using (SqlConnection conn = new SqlConnection(AppSettings.GetConnectionString(oAuth, "DB")))
{
using (SqlCommand command = DataManager.CreateCommand(AppSettings.Get(typeof(Auth2), "SP_Get"), CommandType.StoredProcedure))
{
conn.Open();
command.Connection = conn;
command.Parameters["@clientID"].Value = clientID;
using (SqlDataReader reader = command.ExecuteReader())
{
if (reader.HasRows)
{
reader.Read();
oAuth.access_token = reader["AccessToken"].ToString();
oAuth.refresh_token = reader["RefreshToken"].ToString();
oAuth.expires_in = Convert.ToInt32(reader["ExpiresIn"]);
oAuth.updateTime = Convert.ToDateTime(reader["UpdateTime"]);
}
}
}
}
return(oAuth);
}
protected override Core.Services.ServiceOutcome DoPipelineWork()
{
Mutex mutex = new Mutex(false, "GoogleAnalyticsRetriver");
BatchDownloadOperation batch = new BatchDownloadOperation();
try
{
mutex.WaitOne();
#region Authentication
//get access token + refresh token from db (if exist)
Auth2 oAuth2 = Auth2.Get(Delivery.Parameters["ClientID"].ToString());
//if not exist
if (string.IsNullOrEmpty(oAuth2.access_token) || (string.IsNullOrEmpty(oAuth2.refresh_token)))
{
oAuth2 = GetAccessTokenParamsFromGoogleAnalytics();
}
//check if access_token is not expired
if (oAuth2.updateTime.AddSeconds(oAuth2.expires_in - 300) < DateTime.Now)
{
oAuth2 = RefreshToken(oAuth2.refresh_token);
}
#endregion
// exist
foreach (var file in Delivery.Files)
{
string urlEncoded = string.Format(file.SourceUrl, Uri.EscapeUriString(oAuth2.access_token));
HttpWebRequest request = (HttpWebRequest)HttpWebRequest.Create(urlEncoded);
request.Headers.Add("Accept-Encoding", "gzip");
request.UserAgent = "winrar(gzip)";
FileDownloadOperation fileDownloadOperation = file.Download(request);
batch.Add(fileDownloadOperation);
}
batch.Start();
batch.Wait();
batch.EnsureSuccess();
}
finally
{
mutex.ReleaseMutex();
}
Delivery.Save();
return(Core.Services.ServiceOutcome.Success);
}
internal void Save(string clientID)
{
Auth2 oAuth = new Auth2();
using (SqlConnection conn = new SqlConnection(AppSettings.GetConnectionString(oAuth, "DB")))
{
using (SqlCommand command = DataManager.CreateCommand(AppSettings.Get(typeof(Auth2), "SP_Save"), CommandType.StoredProcedure))
{
conn.Open();
command.Connection = conn;
command.Parameters["@ClientID"].Value = clientID;
command.Parameters["@AccessToken"].Value = this.access_token;
command.Parameters["@RefreshToken"].Value = this.refresh_token;
command.Parameters["@ExpiresIn"].Value = this.expires_in;
command.Parameters["@UpdateTime"].Value = DateTime.Now;
command.ExecuteNonQuery();
}
}
}
private Auth2 GetAccessTokenParamsFromGoogleAnalytics()
{
HttpWebRequest myRequest = (HttpWebRequest)WebRequest.Create(Delivery.Parameters["AuthenticationUrl"].ToString());
myRequest.Method = "POST";
myRequest.ContentType = "application/x-www-form-urlencoded";
using (StreamWriter writer = new StreamWriter(myRequest.GetRequestStream()))
{
writer.Write(string.Format("code={0}&client_id={1}&client_secret={2}&redirect_uri={3}&grant_type=authorization_code",
Delivery.Parameters["ConsentCode"],
Delivery.Parameters["ClientID"],
Delivery.Parameters["ClientSecret"],
Delivery.Parameters["Redirect_URI"]));
}
HttpWebResponse myResponse;
try
{
myResponse = (HttpWebResponse)myRequest.GetResponse();
}
catch (WebException webEx)
{
using (StreamReader reader = new StreamReader(webEx.Response.GetResponseStream()))
{
throw new Exception(reader.ReadToEnd());
}
}
Stream responseBody = myResponse.GetResponseStream();
Encoding encode = System.Text.Encoding.GetEncoding("utf-8");
StreamReader readStream = new StreamReader(responseBody, encode);
Auth2 oAuth2 = (Auth2)JsonConvert.DeserializeObject(readStream.ReadToEnd(), typeof(Auth2));
oAuth2.updateTime = DateTime.Now;
oAuth2.Save(Delivery.Parameters["ClientID"].ToString());
//return string itself (easier to work with)
return(oAuth2);
}