protected HttpRequestParser(HttpClient client, int contentLength)
{
if (client == null)
throw new ArgumentNullException("client");
Client = client;
ContentLength = contentLength;
}
public HttpMultiPartRequestParser(HttpClient client, int contentLength, string boundary)
: base(client, contentLength)
{
if (boundary == null)
throw new ArgumentNullException("boundary");
_firstBoundary = Encoding.ASCII.GetBytes("--" + boundary + "\r\n");
_separatorBoundary = Encoding.ASCII.GetBytes("\r\n--" + boundary);
Client.MultiPartItems = new List<HttpMultiPartItem>();
}
internal HttpRequest(HttpClient client)
{
ParseHeaders(client);
Form = client.PostParameters;
ParseMultiPartItems(client);
HttpMethod = RequestType = client.Method;
ParsePath(client);
ParseRemoteEndPoint(client);
BuildServerVariables(client);
BuildParams();
InputStream = client.InputStream;
if (InputStream != null)
InputStream.Position = 0;
}
private void RegisterClient(HttpClient client)
{
if (client == null)
throw new ArgumentNullException("client");
lock (_syncLock)
{
_clients.Add(client, true);
_clientsChangedEvent.Set();
}
}
private void AcceptTcpClientCallback(IAsyncResult asyncResult)
{
if (_state != HttpServerState.Started)
return;
try
{
var listener = _listener; // Prevent race condition.
if (listener == null)
return;
var tcpClient = listener.EndAcceptTcpClient(asyncResult);
var client = new HttpClient(this, tcpClient);
RegisterClient(client);
client.BeginRequest();
BeginAcceptTcpClient();
}
catch (ObjectDisposedException)
{
// EndAcceptTcpClient will throw a ObjectDisposedException
// when we're shutting down. This can safely be ignored.
}
catch (Exception ex)
{
Log.Info("Failed to accept TCP client", ex);
}
}
internal void UnregisterClient(HttpClient client)
{
if (client == null)
throw new ArgumentNullException("client");
lock (_syncLock)
{
Debug.Assert(_clients.ContainsKey(client));
_clients.Remove(client);
_clientsChangedEvent.Set();
}
}
internal HttpContext(HttpClient client)
{
Server = client.Server.ServerUtility;
Request = new HttpRequest(client);
Response = new HttpResponse(this);
}
public HttpUrlEncodedRequestParser(HttpClient client, int contentLength)
: base(client, contentLength)
{
_stream = new MemoryStream();
}
private void ParseHeaders(HttpClient client)
{
Headers = CreateCollection(client.Headers);
string header;
// Parse Accept.
if (client.Headers.TryGetValue("Accept", out header))
{
string[] parts = header.Split(',');
HttpUtil.TrimAll(parts);
AcceptTypes = parts;
}
else
{
AcceptTypes = EmptyStringArray;
}
// Parse Content-Type.
if (client.Headers.TryGetValue("Content-Type", out header))
{
string[] parts = header.Split(new[] { ';' }, 2);
ContentType = parts[0].Trim();
if (parts.Length == 2)
{
string[] encoding = parts[1].Trim().Split(new[] { '=' }, 2);
if (encoding.Length == 2 && String.Equals(encoding[0], "charset", StringComparison.OrdinalIgnoreCase))
{
ContentEncoding = Encoding.GetEncoding(encoding[1]);
}
}
}
// Parse Content-Length.
if (client.Headers.TryGetValue("Content-Length", out header))
{
int contentLength;
if (int.TryParse(header, out contentLength))
ContentLength = contentLength;
}
// Parse Referer.
if (client.Headers.TryGetValue("Referer", out header))
UrlReferer = new Uri(header);
// Parse User-Agent.
if (client.Headers.TryGetValue("User-Agent", out header))
UserAgent = header;
// Parse Accept-Language.
if (client.Headers.TryGetValue("Accept-Language", out header))
{
string[] parts = header.Split(',');
HttpUtil.TrimAll(parts);
UserLanguages = parts;
}
else
{
UserLanguages = EmptyStringArray;
}
// Parse Cookie.
Cookies = new HttpCookieCollection();
if (client.Headers.TryGetValue("Cookie", out header))
{
string[] parts = header.Split(';');
foreach (string part in parts)
{
string[] partParts = part.Split(new[] { '=' }, 2);
string name = partParts[0].Trim();
string value = partParts.Length == 1 ? null : partParts[1];
Cookies.AddCookie(new HttpCookie(name, value), true);
}
}
}
private void BuildServerVariables(HttpClient client)
{
ServerVariables = new NameValueCollection();
// Add all headers.
var allHttp = new StringBuilder();
var allRaw = new StringBuilder();
foreach (var item in client.Headers)
{
ServerVariables[item.Key] = item.Value;
string httpKey = "HTTP_" + (item.Key.Replace('-', '_')).ToUpperInvariant();
ServerVariables[httpKey] = item.Value;
allHttp.Append(httpKey);
allHttp.Append('=');
allHttp.Append(item.Value);
allHttp.Append("\r\n");
allRaw.Append(item.Key);
allRaw.Append('=');
allRaw.Append(item.Value);
allRaw.Append("\r\n");
}
ServerVariables["ALL_HTTP"] = allHttp.ToString();
ServerVariables["ALL_RAW"] = allRaw.ToString();
ServerVariables["CONTENT_LENGTH"] = ContentLength.ToString(CultureInfo.InvariantCulture);
ServerVariables["CONTENT_TYPE"] = ContentType;
ServerVariables["LOCAL_ADDR"] = client.Server.EndPoint.Address.ToString();
ServerVariables["PATH_INFO"] = Path;
string[] parts = client.Request.Split(new[] { '?' }, 2);
ServerVariables["QUERY_STRING"] = parts.Length == 2 ? parts[1] : "";
ServerVariables["REMOTE_ADDR"] = UserHostAddress;
ServerVariables["REMOTE_HOST"] = UserHostName;
ServerVariables["REMOTE_PORT"] = null;
ServerVariables["REQUEST_METHOD"] = RequestType;
ServerVariables["SCRIPT_NAME"] = Path;
ServerVariables["SERVER_NAME"] = client.Server.ServerUtility.MachineName;
ServerVariables["SERVER_PORT"] = client.Server.EndPoint.Port.ToString(CultureInfo.InvariantCulture);
ServerVariables["SERVER_PROTOCOL"] = client.Protocol;
ServerVariables["URL"] = Path;
}
private void ParseRemoteEndPoint(HttpClient client)
{
var endPoint = (IPEndPoint)client.TcpClient.Client.RemoteEndPoint;
UserHostName = UserHostAddress = endPoint.Address.ToString();
}
private void ParsePath(HttpClient client)
{
RawUrl = client.Request;
string[] parts = client.Request.Split(new[] { '?' }, 2);
Path = parts[0];
QueryString = new NameValueCollection();
if (parts.Length == 2)
HttpUtil.UrlDecodeTo(parts[1], QueryString);
string host;
string port;
string hostHeader;
if (client.Headers.TryGetValue("Host", out hostHeader))
{
parts = hostHeader.Split(new[] { ':' }, 2);
host = parts[0];
if (parts.Length == 2)
port = parts[1];
else
port = null;
}
else
{
var endPoint = client.Server.EndPoint;
host = endPoint.Address.ToString();
if (endPoint.Port == 80)
port = null;
else
port = endPoint.Port.ToString(CultureInfo.InvariantCulture);
}
var sb = new StringBuilder();
sb.Append("http://");
sb.Append(host);
if (port != null)
{
sb.Append(':');
sb.Append(port);
}
sb.Append(client.Request);
Url = new Uri(sb.ToString());
}
private void ParseMultiPartItems(HttpClient client)
{
Files = new HttpFileCollection();
if (client.MultiPartItems == null)
return;
foreach (var item in client.MultiPartItems)
{
string contentType = null;
string name = null;
string fileName = null;
string header;
if (item.Headers.TryGetValue("Content-Disposition", out header))
{
string[] parts = header.Split(';');
for (int i = 0; i < parts.Length; i++)
{
string part = parts[i].Trim();
if (part.StartsWith("name="))
name = ParseContentDispositionItem(part.Substring(5));
else if (part.StartsWith("filename="))
fileName = ParseContentDispositionItem(part.Substring(9));
}
}
if (item.Headers.TryGetValue("Content-Type", out header))
contentType = header;
if (name == null)
{
Log.Info("Received multipart item without name");
continue;
}
if (item.Value != null)
{
Form[name] = item.Value;
}
else
{
Files.AddFile(name, new HttpPostedFile((int)item.Stream.Length, contentType, fileName, item.Stream));
}
}
}
public HttpUnknownRequestParser(HttpClient client, int contentLength)
: base(client, contentLength)
{
Client.InputStream = new MemoryStream();
}
