/// <summary>
/// Starts a session and returns user API method capabilities -- which features the given user can and cannot use.
/// http://www.sendspace.com/dev_method.html?method=auth.login
/// </summary>
/// <param name="token">Received on create token</param>
/// <param name="username">Registered user name</param>
/// <param name="password">Registered password</param>
/// <returns>Account informations including session key</returns>
public LoginInfo AuthLogin(string token, string username, string password)
{
Dictionary<string, string> args = new Dictionary<string, string>();
args.Add("method", "auth.login");
args.Add("token", token);
args.Add("user_name", username);
// lowercase(md5(token+lowercase(md5(password)))) - md5 values should always be lowercase.
string passwordHash = TranslatorHelper.TextToHash(password, HashType.MD5);
args.Add("tokened_password", TranslatorHelper.TextToHash(token + passwordHash, HashType.MD5));
string response = SendPostRequest(APIURL, args);
if (!string.IsNullOrEmpty(response))
{
ResponsePacket packet = ParseResponse(response);
if (!packet.Error)
{
LoginInfo loginInfo = new LoginInfo(packet.Result);
return loginInfo;
}
}
return null;
}
// upload a file using the web form instead of the API (for old versions of WikiMedia which don't have the upload API)
private void UploadFileThroughForm(LoginInfo loginInfo, string localFilePath, string remoteFilename)
{
UploadFile[] files = new UploadFile[] { new UploadFile(localFilePath, "wpUploadFile", "application/octet-stream") };
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(GetUrl("Special:Upload"));
request.CookieContainer = loginInfo.Cookies;
var parameters = new System.Collections.Specialized.NameValueCollection();
parameters["wpSourceType"] = "file";
parameters["wpDestFile"] = remoteFilename;
parameters["wpUpload"] = "Upload file";
var response = HttpUploadHelper.Upload(request, files, parameters);
string strResponse = new StreamReader(response.GetResponseStream()).ReadToEnd();
if (strResponse.Contains("A file with this name exists already"))
throw new MediaWikiException("Image already exists on the wiki");
}
// upload a file using the MediaWiki upload API
private void UploadFile(string editToken, LoginInfo loginInfo, string localFilePath, string remoteFilename)
{
UploadFile[] files = new UploadFile[] { new UploadFile(localFilePath, "file", "application/octet-stream") };
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(GetApiUrl());
request.CookieContainer = loginInfo.Cookies;
var parameters = new System.Collections.Specialized.NameValueCollection();
parameters["format"] = "xml";
parameters["action"] = "upload";
parameters["filename"] = Path.GetFileName(localFilePath);
parameters["token"] = editToken;
var response = HttpUploadHelper.Upload(request, files, parameters);
string strResponse = new StreamReader(response.GetResponseStream()).ReadToEnd();
if (strResponse.StartsWith("unknown_action"))
{
// fallback : upload using web form
UploadFileThroughForm(loginInfo, localFilePath, remoteFilename);
return;
}
try
{
XmlDocument xmlDoc = new XmlDocument();
xmlDoc.LoadXml(strResponse);
var element = xmlDoc.GetElementsByTagName("api")[0].ChildNodes[0];
if (element.Name == "error")
{
string errorCode = element.Attributes["code"].Value;
string errorMessage = element.Attributes["info"].Value;
throw new MediaWikiException("Error uploading to MediaWiki: " + errorCode + "\r\n" + errorMessage);
}
string result = element.Attributes["result"].Value;
if (result == "Warning")
{
foreach (XmlNode child in element.ChildNodes)
{
if (child.Name == "warnings")
{
if (child.Attributes["exists"] != null)
{
string existingImageName = child.Attributes["exists"].Value;
throw new MediaWikiException("Image already exists on the wiki: " + existingImageName);
}
}
}
}
if (result != "Success")
throw new MediaWikiException("Error uploading to MediaWiki:\r\n" + result);
}
catch (XmlException)
{
throw new MediaWikiException("Unexpected answer while uploading:\r\n" + strResponse);
}
}
// query an edit token (needed for upload) after logging in
private string QueryEditToken(LoginInfo loginInfo)
{
string strResponse;
try
{
string postData = "format=xml&action=query&prop=info&intoken=edit&titles=Foo";
ASCIIEncoding encoding = new ASCIIEncoding();
byte[] postBytes = encoding.GetBytes(postData);
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(GetApiUrl());
request.Method = WebRequestMethods.Http.Post;
request.ContentType = "application/x-www-form-urlencoded";
request.ContentLength = postBytes.Length;
request.CookieContainer = loginInfo.Cookies;
Stream postStream = request.GetRequestStream();
postStream.Write(postBytes, 0, postBytes.Length);
postStream.Close();
var response = request.GetResponse();
strResponse = new StreamReader(response.GetResponseStream()).ReadToEnd();
}
catch (Exception e)
{
throw new MediaWikiException("Error getting edit token:\r\n" + e.Message);
}
try
{
XmlDocument xmlDoc = new XmlDocument();
xmlDoc.LoadXml(strResponse);
var pageElement = xmlDoc.GetElementsByTagName("api")[0].ChildNodes[0].ChildNodes[0].ChildNodes[0];
string edittoken = pageElement.Attributes["edittoken"].Value;
return edittoken;
}
catch (Exception)
{
throw new MediaWikiException("Unexpected answer while querying edit token from MediaWiki:\r\n" + strResponse);
}
}
// login with the token from a first login attempt (if it returned "NeedToken")
private void LoginWithToken(LoginInfo loginInfo)
{
string postData = string.Format("format=xml&action=login&lgname={0}&lgpassword={1}&lgtoken={2}", Options.Account.Username, Options.Account.Password, loginInfo.Token);
ASCIIEncoding encoding = new ASCIIEncoding();
byte[] postBytes = encoding.GetBytes(postData);
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(GetApiUrl());
request.Method = WebRequestMethods.Http.Post;
request.ContentType = "application/x-www-form-urlencoded";
request.ContentLength = postBytes.Length;
request.CookieContainer = loginInfo.Cookies;
Stream postStream = request.GetRequestStream();
postStream.Write(postBytes, 0, postBytes.Length);
postStream.Close();
var response = request.GetResponse();
string strResponse = new StreamReader(response.GetResponseStream()).ReadToEnd();
try
{
XmlDocument xmlDoc = new XmlDocument();
xmlDoc.LoadXml(strResponse);
var loginElement = xmlDoc.GetElementsByTagName("api")[0].ChildNodes[0];
string result = loginElement.Attributes["result"].Value;
if (result != "Success")
HandleError(result);
}
catch (XmlException)
{
throw new MediaWikiException("Unexpected answer:\r\n" + strResponse);
}
}
// login
private LoginInfo Login1(LoginInfo loginInfo)
{
string postData = string.Format("format=xml&action=login&lgname={0}&lgpassword={1}", Options.Account.Username, Options.Account.Password);
ASCIIEncoding encoding = new ASCIIEncoding();
byte[] postBytes = encoding.GetBytes(postData);
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(GetApiUrl());
request.Method = WebRequestMethods.Http.Post;
request.ContentType = "application/x-www-form-urlencoded";
request.ContentLength = postBytes.Length;
request.AllowAutoRedirect = true;
var cookieContainer = loginInfo.Cookies ?? new CookieContainer();
request.CookieContainer = cookieContainer;
Stream postStream = request.GetRequestStream();
postStream.Write(postBytes, 0, postBytes.Length);
postStream.Close();
var response = request.GetResponse();
string strResponse = new StreamReader(response.GetResponseStream()).ReadToEnd();
// redirected to another page
if (strResponse.StartsWith("<!DOCTYPE html"))
{
if (loginInfo.Redirected)
{
throw new MediaWikiException("Still could not log in after redirection");
}
var uri = response.ResponseUri;
LoginInfo newLoginInfo = LoginRedirected(uri);
return Login1(newLoginInfo);
}
try
{
XmlDocument xmlDoc = new XmlDocument();
xmlDoc.LoadXml(strResponse);
var loginElement = xmlDoc.GetElementsByTagName("api")[0].ChildNodes[0];
string result = loginElement.Attributes["result"].Value;
string token = (loginElement.Attributes["token"] ?? loginElement.Attributes["lgtoken"]).Value;
bool needToken;
if (result == "Success")
needToken = false;
else if (result == "NeedToken")
needToken = true;
else
{
HandleError(result);
// should not happen since HandleError always throws an exception
throw new Exception("Error not handled");
}
return new LoginInfo() { Token = token, Cookies = cookieContainer, NeedToken = needToken };
}
catch (XmlException)
{
throw new MediaWikiException("unexpected answer:\r\n" + strResponse);
}
}
