private static Exception ParseFirstError(WebException wex)
{
Logger.Debug("Attempting to get and parse the first error returned from forum JSON result...");
try
{
string jsonErrors = new StreamReader(wex.Response.GetResponseStream()).ReadToEnd();
Logger.Debug("JSON result was: " + jsonErrors);
wex.Response.Dispose();
dynamic json = JsonConvert.DeserializeObject(jsonErrors);
if (json == null)
{
Logger.Debug("JSON error was null.");
return(wex);
}
return(new InvalidOperationException(json.errors[0].ToString(), wex));
}
catch
{
Logger.Debug("There was an error attempting to parse the first JSON error.");
var ex = new InvalidOperationException("Unknown error connecting to the forum API. Ensure the host name is correct in web.config. The sidebar category must also exist on NodeBB.", wex);
ForumHelper.PauseConnections(ex, 10);
return(ex);
}
}
private string PutOrPostRequest(string relativeUrl, IEnumerable <KeyValuePair <string, string> > postData, string method)
{
lock (requestLock)
{
string requestUrl = this.GetRequestUrl(relativeUrl);
var request = WebRequest.Create(requestUrl);
request.Method = method;
request.Timeout = Config.NodeBB.ApiRequestTimeout;
request.ContentType = "application/x-www-form-urlencoded";
Logger.Debug("Sending forum {0} request to URL: {1}", method, request.RequestUri);
try
{
using (var body = request.GetRequestStream())
using (var writer = new StreamWriter(body))
{
foreach (var pair in postData)
{
writer.Write("&{0}={1}", HttpUtility.UrlEncode(pair.Key), HttpUtility.UrlEncode(pair.Value));
}
}
using (var response = request.GetResponse())
using (var stream = response.GetResponseStream())
{
Logger.Debug("Response received, response code was: {0}", GetResponseCode(response));
return(new StreamReader(stream).ReadToEnd());
}
}
catch (TimeoutException tex)
{
Logger.Debug("Timeout exception for {0} request to URL: {1}", method, request.RequestUri);
ForumHelper.PauseConnections(tex, 10);
throw;
}
catch (WebException wex)
{
Logger.Debug("Web exception for {0} request to URL: {1}", method, request.RequestUri);
ForumHelper.PauseConnections(wex, 10);
throw ParseFirstError(wex);
}
}
}
private string GetOrDeleteRequest(string method, string urlFormat, params object[] args)
{
lock (requestLock)
{
string relativeUrl = string.Format(urlFormat, args);
string requestUrl = this.GetRequestUrl(relativeUrl);
var request = WebRequest.Create(requestUrl);
request.Method = method;
request.Timeout = Config.NodeBB.ApiRequestTimeout;
Logger.Debug("Sending forum {0} request to URL: {1}", method, request.RequestUri);
try
{
using (var response = request.GetResponse())
using (var stream = response.GetResponseStream())
{
Logger.Debug("Response received, response code was: {0}", GetResponseCode(response));
return(new StreamReader(stream).ReadToEnd());
}
}
catch (TimeoutException tex)
{
Logger.Debug("Timeout exception for {0} request to URL: {1}", method, request.RequestUri);
ForumHelper.PauseConnections(tex, 10);
throw;
}
catch (WebException wex)
{
Logger.Debug("Web exception for {0} request to URL: {1}", method, request.RequestUri);
ForumHelper.PauseConnections(wex, 10);
throw ParseFirstError(wex);
}
}
}
