protected void Page_Load(object sender, EventArgs e)
{
try
{
bool debug = false;
var proxyData = new ProxyOptions();
if (proxyData.Ready)
{
HttpWebRequest proxyRequest = null;
// Create request stub for get or post
switch (proxyData.Method)
{
case "POST":
case "PUT":
case "PATCH":
case "MERGE":
proxyRequest = CreatePostRequest(proxyData);
break;
default:
proxyRequest = CreateGetRequest(proxyData);
break;
}
// Shared request properties
if (proxyRequest != null)
{
proxyRequest.Method = proxyData.Method;
proxyRequest.ContentType = proxyData.ContentType;
proxyRequest.Accept = proxyData.Accept;
this.CopyHeaders(proxyRequest, proxyData.OriginalRequest);
ExecuteAndWriteProxyResponse(proxyRequest);
}
}
else
{
throw new Exception("There was a problem parsing the proxy request options provided.");
}
}
catch (ThreadAbortException)
{
// response.end generates this
}
catch (Exception ex)
{
// Writing a plain 500 trashes all custom messages
Response.ClearHeaders();
Response.ClearContent();
Response.Status = "503 ServiceUnavailable";
Response.StatusCode = 503;
Response.StatusDescription = ex.Message; // writes to header
Response.Flush();
throw new HttpException(503, ex.Message); // writes to body
}
}
private HttpWebRequest CreatePostRequest(ProxyOptions proxyData)
{
var request = (HttpWebRequest)WebRequest.Create(proxyData.Url);
request.Method = proxyData.Method; // must set this to be able to write body
Stream reqStream = request.GetRequestStream();
byte[] reqBytes = Encoding.UTF8.GetBytes(proxyData.Data);
reqStream.Write(reqBytes, 0, reqBytes.Length);
reqStream.Close();
return request;
}
private HttpWebRequest CreateGetRequest(ProxyOptions proxyData)
{
return (HttpWebRequest)WebRequest.Create(string.Format("{0}?{1}", proxyData.Url, proxyData.Data));
}