internal static XmlResponse Post(RestClient rest,
string endpoint,
string deviceId,
DateTime timestamp,
Dictionary <string, object> parameters,
string username = null,
byte[] token = null)
{
var headers = new Dictionary <string, string>
{
["Accept"] = "application/xml",
["Date"] = timestamp.ToUniversalTime().ToString("ddd, dd MMM yyyy HH:mm:ss 'GMT'", EnUs),
["User-Agent"] = GetUserAgent(deviceId),
};
if (!username.IsNullOrEmpty())
{
headers["Authorization"] = GetAuthorizationHeader(username, token);
}
var response = rest.PostForm(endpoint, parameters, headers);
if (response.IsSuccessful)
{
return(XmlResponse.Parse(response.Content));
}
if (response.IsNetworkError)
{
throw new NetworkErrorException("Network error has occurred", response.Error);
}
// Special handling for 401. There's no other way to tell if the password is correct.
// TODO: Write a test for this path. Now it should be easy once we transitioned away
// from HttpWebResponse.
if (response.StatusCode == HttpStatusCode.Unauthorized)
{
throw new BadCredentialsException("The password is incorrect");
}
throw new InternalErrorException(
$"HTTP request to '{response.RequestUri}' failed with status {response.StatusCode}");
}
private static XmlResponse HandlePostResponse(Func <string> post)
{
try
{
return(XmlResponse.Parse(post()));
}
catch (WebException e)
{
// Special handling for 401. There's no other way to tell if the password is correct.
// TODO: Write a test for this path. It's not trivial to mock HttpWebResponse
// if at all possible.
var r = e.Response as HttpWebResponse;
if (r != null && r.StatusCode == HttpStatusCode.Unauthorized)
{
throw new FetchException(FetchException.FailureReason.IncorrectPassword,
"Incorrect password",
e);
}
throw new FetchException(FetchException.FailureReason.NetworkError,
"Network request failed",
e);
}
}