public void Check_Status(HttpWebResponse server_response, HttpStatusCode success_code)
{
if (server_response.StatusCode != success_code)
{
StreamReader inStream = new StreamReader(server_response.GetResponseStream(), new ASCIIEncoding());
string resString = inStream.ReadToEnd();
inStream.Close();
Parsed_response.LoadXml(resString);
//Create namespace manager
XmlNamespaceManager nsmgr = new XmlNamespaceManager(Parsed_response.NameTable);
nsmgr.AddNamespace("t", "http://tableau.com/api");
// Obtain the 3 xml tags from the response: error, summary, and detail tags
XmlNodeList errorElement = Parsed_response.SelectNodes("t:error", nsmgr);
XmlNodeList summaryElement = Parsed_response.SelectNodes(".//t:summary", nsmgr);
XmlNodeList detailElement = Parsed_response.SelectNodes(".//t:detail", nsmgr);
// Retrieve the error code, summary, and detail if the response contains them
string error = errorElement[0].Attributes.GetNamedItem("code").InnerText;
string summary = summaryElement[0].InnerText;
string detail = detailElement[0].InnerText;
ApiCallError = new Exception(String.Format("{0}: {1} - {2}", error, summary, detail));
throw ApiCallError;
}
}
public void Sign_In(string server, string username, string password, string site = "")
{
try
{
string url = server + "/api/2.4/auth/signin";
// Create the XML that will go with the POST Request
XmlDocument xmlRequest = new XmlDocument();
XmlElement requestXML = xmlRequest.CreateElement("tsRequest");
XmlElement credentialsXML = xmlRequest.CreateElement("credentials");
credentialsXML.SetAttribute("name", username);
credentialsXML.SetAttribute("password", password);
XmlElement siteXML = xmlRequest.CreateElement("site");
siteXML.SetAttribute("contentUrl", site);
credentialsXML.AppendChild(siteXML);
requestXML.AppendChild(credentialsXML);
xmlRequest.AppendChild(requestXML);
// Create the request
HttpWebRequest request = WebRequest.Create(url) as HttpWebRequest;
request.Method = "POST";
request.ContentType = "application/xml";
request.Accept = "application/xml";
byte[] data = Encoding.UTF8.GetBytes(xmlRequest.OuterXml.ToString());
request.ContentLength = data.Length;
// Write the request
Stream outStream = request.GetRequestStream();
outStream.Write(data, 0, data.Length);
outStream.Close();
// Do the request to get the response
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
Check_Status(response, HttpStatusCode.OK);
StreamReader inStream = new StreamReader(response.GetResponseStream(), new ASCIIEncoding());
string resString = inStream.ReadToEnd();
inStream.Close();
Parsed_response.LoadXml(resString);
//Create namespace manager
XmlNamespaceManager nsmgr = new XmlNamespaceManager(Parsed_response.NameTable);
nsmgr.AddNamespace("t", "http://tableau.com/api");
// Obtain the 3 xml tags from the response: error, summary, and detail tags
XmlNodeList tokenElement = Parsed_response.SelectNodes(".//t:credentials", nsmgr);
XmlNodeList siteElement = Parsed_response.SelectNodes(".//t:site", nsmgr);
XmlNodeList userElement = Parsed_response.SelectNodes(".//t:user", nsmgr);
// Retrieve the error code, summary, and detail if the response contains them
Token = tokenElement[0].Attributes.GetNamedItem("token").InnerText;
Site_Id = siteElement[0].Attributes.GetNamedItem("id").InnerText;
User_Id = userElement[0].Attributes.GetNamedItem("id").InnerText;
}
catch (Exception e)
{
// TODO: Log unexpected error
}
}
