private static XDocument PerformSingleLoginRequest(string username,
string password,
int keyIterationCount,
NameValueCollection extraParameters,
ClientInfo clientInfo,
IWebClient webClient)
{
try
{
var parameters = new NameValueCollection
{
{ "method", PlatformToUserAgent[clientInfo.Platform] },
{ "xml", "2" },
{ "username", username },
{ "hash", FetcherHelper.MakeHash(username, password, keyIterationCount) },
{ "iterations", string.Format("{0}", keyIterationCount) },
{ "includeprivatekeyenc", "1" },
{ "outofbandsupported", "1" },
{ "uuid", clientInfo.Id },
extraParameters
};
if (clientInfo.TrustThisDevice)
{
parameters["trustlabel"] = clientInfo.Description;
}
return(XDocument.Parse(webClient.UploadValues("https://lastpass.com/login.php",
parameters).ToUtf8()));
}
catch (WebException e)
{
throw new LoginException(LoginException.FailureReason.WebException,
"WebException occurred",
e);
}
catch (XmlException e)
{
throw new LoginException(LoginException.FailureReason.InvalidResponse,
"Invalid XML in response",
e);
}
}
private static XDocument Login(string username,
string password,
string multifactorPassword,
int keyIterationCount,
IWebClient webClient)
{
try
{
var parameters = new NameValueCollection
{
{ "method", "mobile" },
{ "web", "1" },
{ "xml", "1" },
{ "username", username },
{ "hash", FetcherHelper.MakeHash(username, password, keyIterationCount) },
{ "iterations", string.Format("{0}", keyIterationCount) }
};
if (multifactorPassword != null)
{
parameters["otp"] = multifactorPassword;
}
return(XDocument.Parse(webClient.UploadValues("https://lastpass.com/login.php",
parameters).ToUtf8()));
}
catch (WebException e)
{
throw new LoginException(LoginException.FailureReason.WebException,
"WebException occured",
e);
}
catch (XmlException e)
{
throw new LoginException(LoginException.FailureReason.InvalidResponse,
"Invalid XML in response",
e);
}
}