private bool Receive()
{
SupportedProtocols protocol = CurrentRequest.ProtocolHandler == SupportedProtocols.Unknown ? HTTPProtocolFactory.GetProtocolFromUri(CurrentRequest.CurrentUri) : CurrentRequest.ProtocolHandler;
if (HTTPManager.Logger.Level == Logger.Loglevels.All)
{
HTTPManager.Logger.Verbose("HTTPConnection", string.Format("{0} - Receive - protocol: {1}", this.CurrentRequest.CurrentUri.ToString(), protocol.ToString()));
}
CurrentRequest.Response = HTTPProtocolFactory.Get(protocol, CurrentRequest, Stream, CurrentRequest.UseStreaming, false);
if (!CurrentRequest.Response.Receive())
{
if (HTTPManager.Logger.Level == Logger.Loglevels.All)
{
HTTPManager.Logger.Verbose("HTTPConnection", string.Format("{0} - Receive - Failed! Response will be null, returning with false.", this.CurrentRequest.CurrentUri.ToString()));
}
CurrentRequest.Response = null;
return(false);
}
if (CurrentRequest.Response.StatusCode == 304
#if !BESTHTTP_DISABLE_CACHING && (!UNITY_WEBGL || UNITY_EDITOR)
&& !CurrentRequest.DisableCache
#endif
)
{
#if !BESTHTTP_DISABLE_CACHING && (!UNITY_WEBGL || UNITY_EDITOR)
if (CurrentRequest.IsRedirected)
{
if (!LoadFromCache(CurrentRequest.RedirectUri))
{
LoadFromCache(CurrentRequest.Uri);
}
}
else
{
LoadFromCache(CurrentRequest.Uri);
}
#else
return(false);
#endif
}
if (HTTPManager.Logger.Level == Logger.Loglevels.All)
{
HTTPManager.Logger.Verbose("HTTPConnection", string.Format("{0} - Receive - Finished Successfully!", this.CurrentRequest.CurrentUri.ToString()));
}
return(true);
}
/// <summary>
/// Writes out the Headers to the stream.
/// </summary>
/// <param name="stream"></param>
private void SendHeaders(BinaryWriter stream)
{
if (!HasHeader("Host"))
{
SetHeader("Host", CurrentUri.Host);
}
if (IsRedirected && !HasHeader("Referer"))
{
AddHeader("Referer", Uri.ToString());
}
if (!HasHeader("Accept-Encoding"))
{
AddHeader("Accept-Encoding", "gzip, identity");
}
if (HasProxy && !HasHeader("Proxy-Connection"))
{
AddHeader("Proxy-Connection", IsKeepAlive ? "Keep-Alive" : "Close");
}
if (!HasHeader("Connection"))
{
AddHeader("Connection", IsKeepAlive ? "Keep-Alive, TE" : "Close, TE");
}
if (!HasHeader("TE"))
{
AddHeader("TE", "identity");
}
if (!HasHeader("User-Agent"))
{
AddHeader("User-Agent", "BestHTTP");
}
byte[] entityBody = GetEntityBody();
int contentLength = entityBody != null ? entityBody.Length : 0;
if (RawData == null && (FormImpl != null || (FieldCollector != null && !FieldCollector.IsEmpty)))
{
SelectFormImplementation();
if (FormImpl != null)
{
FormImpl.PrepareRequest(this);
}
}
if (!HasHeader("Content-Length") && contentLength != 0)
{
AddHeader("Content-Length", contentLength.ToString());
}
// Proxy Authentication
if (HasProxy && Proxy.Credentials != null)
{
switch (Proxy.Credentials.Type)
{
case AuthenticationTypes.Basic:
// With Basic authentication we don't want to wait for a challange, we will send the hash with the first request
SetHeader("Proxy-Authorization", string.Concat("Basic ", Convert.ToBase64String(Encoding.UTF8.GetBytes(Credentials.UserName + ":" + Credentials.Password))));
break;
case AuthenticationTypes.Unknown:
case AuthenticationTypes.Digest:
var digest = DigestStore.Get(Proxy.Address);
if (digest != null)
{
string authentication = digest.GenerateResponseHeader(this, Proxy.Credentials);
if (!string.IsNullOrEmpty(authentication))
{
SetHeader("Proxy-Authorization", authentication);
}
}
break;
}
}
// Server authentication
if (Credentials != null)
{
switch (Credentials.Type)
{
case AuthenticationTypes.Basic:
// With Basic authentication we don't want to wait for a challange, we will send the hash with the first request
SetHeader("Authorization", string.Concat("Basic ", Convert.ToBase64String(Encoding.UTF8.GetBytes(Credentials.UserName + ":" + Credentials.Password))));
break;
case AuthenticationTypes.Unknown:
case AuthenticationTypes.Digest:
var digest = DigestStore.Get(this.CurrentUri);
if (digest != null)
{
string authentication = digest.GenerateResponseHeader(this, Credentials);
if (!string.IsNullOrEmpty(authentication))
{
SetHeader("Authorization", authentication);
}
}
break;
}
}
// Cookies
if (IsCookiesEnabled)
{
var cookies = CookieJar.Get(CurrentUri);
// http://tools.ietf.org/html/rfc6265#section-5.4
// -When the user agent generates an HTTP request, the user agent MUST NOT attach more than one Cookie header field.
if (cookies != null && cookies.Count > 0)
{
// TODO:
// 2. The user agent SHOULD sort the cookie-list in the following order:
// * Cookies with longer paths are listed before cookies with shorter paths.
// * Among cookies that have equal-length path fields, cookies with earlier creation-times are listed before cookies with later creation-times.
bool first = true;
string cookieStr = string.Empty;
foreach (var cookie in cookies)
{
if ((!cookie.IsSecure || (cookie.IsSecure && HTTPProtocolFactory.IsSecureProtocol(CurrentUri))) &&
(!cookie.IsHttpOnly || (cookie.IsHttpOnly && HTTPProtocolFactory.GetProtocolFromUri(CurrentUri) == SupportedProtocols.HTTP)))
{
if (!first)
{
cookieStr += "; ";
}
else
{
first = false;
}
cookieStr += cookie.ToString();
// 3. Update the last-access-time of each cookie in the cookie-list to the current date and time.
cookie.LastAccess = DateTime.UtcNow;
}
}
SetHeader("Cookie", cookieStr);
}
}
// Write out the headers to the stream
foreach (var kvp in Headers)
{
byte[] headerName = string.Concat(kvp.Key, ": ").GetASCIIBytes();
for (int i = 0; i < kvp.Value.Count; ++i)
{
stream.Write(headerName);
stream.Write(kvp.Value[i].GetASCIIBytes());
stream.Write(EOL);
}
}
}
private bool Receive()
{
SupportedProtocols protocol = (base.CurrentRequest.ProtocolHandler != SupportedProtocols.Unknown) ? base.CurrentRequest.ProtocolHandler : HTTPProtocolFactory.GetProtocolFromUri(base.CurrentRequest.CurrentUri);
if (HTTPManager.Logger.Level == Loglevels.All)
{
HTTPManager.Logger.Verbose("HTTPConnection", $"{base.CurrentRequest.CurrentUri.ToString()} - Receive - protocol: {protocol.ToString()}");
}
base.CurrentRequest.Response = HTTPProtocolFactory.Get(protocol, base.CurrentRequest, this.Stream, base.CurrentRequest.UseStreaming, false);
if (!base.CurrentRequest.Response.Receive(-1, true))
{
if (HTTPManager.Logger.Level == Loglevels.All)
{
HTTPManager.Logger.Verbose("HTTPConnection", $"{base.CurrentRequest.CurrentUri.ToString()} - Receive - Failed! Response will be null, returning with false.");
}
base.CurrentRequest.Response = null;
return(false);
}
if ((base.CurrentRequest.Response.StatusCode == 0x130) && !base.CurrentRequest.DisableCache)
{
if (base.CurrentRequest.IsRedirected)
{
if (!this.LoadFromCache(base.CurrentRequest.RedirectUri))
{
this.LoadFromCache(base.CurrentRequest.Uri);
}
}
else
{
this.LoadFromCache(base.CurrentRequest.Uri);
}
}
if (HTTPManager.Logger.Level == Loglevels.All)
{
HTTPManager.Logger.Verbose("HTTPConnection", $"{base.CurrentRequest.CurrentUri.ToString()} - Receive - Finished Successfully!");
}
return(true);
}
private bool Receive()
{
SupportedProtocols protocol = CurrentRequest.ProtocolHandler == SupportedProtocols.Unknown ? HTTPProtocolFactory.GetProtocolFromUri(CurrentRequest.CurrentUri) : CurrentRequest.ProtocolHandler;
if (HTTPManager.Logger.Level == Logger.Loglevels.All)
{
HTTPManager.Logger.Verbose("HTTPConnection", string.Format("{0} - Receive - protocol: {1}", this.CurrentRequest.CurrentUri.ToString(), protocol.ToString()));
}
CurrentRequest.Response = HTTPProtocolFactory.Get(protocol, CurrentRequest, Stream, CurrentRequest.UseStreaming, false);
if (!CurrentRequest.Response.Receive())
{
if (HTTPManager.Logger.Level == Logger.Loglevels.All)
{
HTTPManager.Logger.Verbose("HTTPConnection", string.Format("{0} - Receive - Failed! Response will be null, returning with false.", this.CurrentRequest.CurrentUri.ToString()));
}
CurrentRequest.Response = null;
return(false);
}
// We didn't check HTTPManager.IsCachingDisabled's value on purpose. (sending out a request with conditional get then change IsCachingDisabled to true may produce undefined behavior)
if (CurrentRequest.Response.StatusCode == 304)
{
#if !BESTHTTP_DISABLE_CACHING && (!UNITY_WEBGL || UNITY_EDITOR)
if (CurrentRequest.IsRedirected)
{
if (!LoadFromCache(CurrentRequest.RedirectUri))
{
LoadFromCache(CurrentRequest.Uri);
}
}
else
{
LoadFromCache(CurrentRequest.Uri);
}
#else
return(false);
#endif
}
if (HTTPManager.Logger.Level == Logger.Loglevels.All)
{
HTTPManager.Logger.Verbose("HTTPConnection", string.Format("{0} - Receive - Finished Successfully!", this.CurrentRequest.CurrentUri.ToString()));
}
return(true);
}
void OnResponse(int httpStatus, byte[] buffer)
{
try
{
using (MemoryStream ms = new MemoryStream())
{
Stream = ms;
XHR_GetStatusLine(NativeId, OnBufferCallback);
XHR_GetResponseHeaders(NativeId, OnBufferCallback);
if (buffer != null && buffer.Length > 0)
{
ms.Write(buffer, 0, buffer.Length);
}
ms.Seek(0L, SeekOrigin.Begin);
SupportedProtocols protocol = CurrentRequest.ProtocolHandler == SupportedProtocols.Unknown ? HTTPProtocolFactory.GetProtocolFromUri(CurrentRequest.CurrentUri) : CurrentRequest.ProtocolHandler;
CurrentRequest.Response = HTTPProtocolFactory.Get(protocol, CurrentRequest, ms, CurrentRequest.UseStreaming, false);
CurrentRequest.Response.Receive(buffer != null && buffer.Length > 0 ? (int)buffer.Length : -1, true);
}
}
catch (Exception e)
{
HTTPManager.Logger.Exception(this.NativeId + " WebGLConnection", "OnResponse", e);
if (CurrentRequest != null)
{
// Something gone bad, Response must be null!
CurrentRequest.Response = null;
switch (State)
{
case HTTPConnectionStates.AbortRequested:
CurrentRequest.State = HTTPRequestStates.Aborted;
break;
case HTTPConnectionStates.TimedOut:
CurrentRequest.State = HTTPRequestStates.TimedOut;
break;
default:
CurrentRequest.Exception = e;
CurrentRequest.State = HTTPRequestStates.Error;
break;
}
}
}
finally
{
Connections.Remove(NativeId);
Stream = null;
if (CurrentRequest != null)
{
lock (HTTPManager.Locker)
{
State = HTTPConnectionStates.Closed;
if (CurrentRequest.State == HTTPRequestStates.Processing)
{
if (CurrentRequest.Response != null)
{
CurrentRequest.State = HTTPRequestStates.Finished;
}
else
{
CurrentRequest.State = HTTPRequestStates.Error;
}
}
}
}
LastProcessTime = DateTime.UtcNow;
if (OnConnectionRecycled != null)
{
RecycleNow();
}
XHR_Release(NativeId);
}
}
private bool Receive()
{
SupportedProtocols protocol = CurrentRequest.ProtocolHandler == SupportedProtocols.Unknown ? HTTPProtocolFactory.GetProtocolFromUri(CurrentRequest.CurrentUri) : CurrentRequest.ProtocolHandler;
CurrentRequest.Response = HTTPProtocolFactory.Get(protocol, CurrentRequest, Stream, CurrentRequest.UseStreaming, false);
if (!CurrentRequest.Response.Receive())
{
CurrentRequest.Response = null;
return(false);
}
// We didn't check HTTPManager.IsCachingDisabled's value on purpose. (sending out a request with conditional get then change IsCachingDisabled to true may produce undefined behavior)
if (CurrentRequest.Response.StatusCode == 304)
{
#if !BESTHTTP_DISABLE_CACHING && (!UNITY_WEBGL || UNITY_EDITOR)
if (CurrentRequest.IsRedirected)
{
if (!LoadFromCache(CurrentRequest.RedirectUri))
{
LoadFromCache(CurrentRequest.Uri);
}
}
else
{
LoadFromCache(CurrentRequest.Uri);
}
#else
return(false);
#endif
}
return(true);
}
