private bool LoadFromCache(Uri uri)
{
int length;
using (Stream stream = HTTPCacheService.GetBody(uri, out length))
{
if (stream == null)
{
return(false);
}
if (!base.CurrentRequest.Response.HasHeader("content-length"))
{
base.CurrentRequest.Response.Headers.Add("content-length", new List <string>(1)
{
length.ToString()
});
}
base.CurrentRequest.Response.IsFromCache = true;
base.CurrentRequest.Response.ReadRaw(stream, length);
}
return(true);
}
public static void OnQuit()
{
HTTPManager.Logger.Information("HTTPManager", "OnQuit called!");
IsQuitting = true;
AbortAll();
#if !BESTHTTP_DISABLE_CACHING
HTTPCacheService.SaveLibrary();
#endif
#if !BESTHTTP_DISABLE_COOKIES
CookieJar.Persist();
#endif
OnUpdate();
HostManager.Clear();
Heartbeats.Clear();
}
private bool TryLoadAllFromCache()
{
if (CurrentRequest.DisableCache)
{
return(false);
}
try
{
if (HTTPCacheService.IsCachedEntityExpiresInTheFuture(CurrentRequest))
{
CurrentRequest.Response = HTTPCacheService.GetFullResponse(CurrentRequest);
if (CurrentRequest.Response != null)
{
return(true);
}
}
}
catch
{
HTTPCacheService.DeleteEntity(CurrentRequest.CurrentUri);
}
return(false);
}
public static void Setup()
{
if (IsSetupCalled)
{
return;
}
IsSetupCalled = true;
IsQuitting = false;
HTTPManager.Logger.Information("HTTPManager", "Setup called! UserAgent: " + UserAgent);
HTTPUpdateDelegator.CheckInstance();
#if !BESTHTTP_DISABLE_CACHING
HTTPCacheService.CheckSetup();
#endif
#if !BESTHTTP_DISABLE_COOKIES
Cookies.CookieJar.SetupFolder();
Cookies.CookieJar.Load();
#endif
HostManager.Load();
}
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)
int bodyLength;
using (var cacheStream = HTTPCacheService.GetBody(CurrentRequest.CurrentUri, out bodyLength))
{
if (!CurrentRequest.Response.HasHeader("content-length"))
{
CurrentRequest.Response.Headers.Add("content-length", new List <string>(1)
{
bodyLength.ToString()
});
}
CurrentRequest.Response.IsFromCache = true;
CurrentRequest.Response.ReadRaw(cacheStream, bodyLength);
}
#else
return(false);
#endif
}
return(true);
}
private bool LoadFromCache(Uri uri)
{
if (HTTPManager.Logger.Level == Loglevels.All)
{
HTTPManager.Logger.Verbose("HTTPConnection", $"{base.CurrentRequest.CurrentUri.ToString()} - LoadFromCache for Uri: {uri.ToString()}");
}
HTTPCacheFileInfo entity = HTTPCacheService.GetEntity(uri);
if (entity == null)
{
HTTPManager.Logger.Warning("HTTPConnection", $"{base.CurrentRequest.CurrentUri.ToString()} - LoadFromCache for Uri: {uri.ToString()} - Cached entity not found!");
return(false);
}
base.CurrentRequest.Response.CacheFileInfo = entity;
using (System.IO.Stream stream = entity.GetBodyStream(out int num))
{
if (stream == null)
{
return(false);
}
if (!base.CurrentRequest.Response.HasHeader("content-length"))
{
List <string> list = new List <string>(1)
{
num.ToString()
};
base.CurrentRequest.Response.Headers.Add("content-length", list);
}
base.CurrentRequest.Response.IsFromCache = true;
if (!base.CurrentRequest.CacheOnly)
{
base.CurrentRequest.Response.ReadRaw(stream, (long)num);
}
}
return(true);
}
protected override void ThreadFunc(object param)
{
bool flag = false;
bool flag2 = false;
RetryCauses retryCauses = RetryCauses.None;
try
{
if (!base.HasProxy && base.CurrentRequest.HasProxy)
{
base.Proxy = base.CurrentRequest.Proxy;
}
if (!TryLoadAllFromCache())
{
if (Client != null && !Client.IsConnected())
{
Close();
}
while (true)
{
if (retryCauses == RetryCauses.Reconnect)
{
Close();
Thread.Sleep(100);
}
base.LastProcessedUri = base.CurrentRequest.CurrentUri;
retryCauses = RetryCauses.None;
Connect();
if (base.State == HTTPConnectionStates.AbortRequested)
{
throw new Exception("AbortRequested");
}
if (!base.CurrentRequest.DisableCache)
{
HTTPCacheService.SetHeaders(base.CurrentRequest);
}
bool flag3 = false;
try
{
base.CurrentRequest.SendOutTo(Stream);
flag3 = true;
}
catch (Exception ex)
{
Close();
if (base.State == HTTPConnectionStates.TimedOut)
{
throw new Exception("AbortRequested");
}
if (flag || base.CurrentRequest.DisableRetry)
{
throw ex;
}
flag = true;
retryCauses = RetryCauses.Reconnect;
}
if (flag3)
{
bool flag4 = Receive();
if (base.State == HTTPConnectionStates.TimedOut)
{
break;
}
if (!flag4 && !flag && !base.CurrentRequest.DisableRetry)
{
flag = true;
retryCauses = RetryCauses.Reconnect;
}
if (base.CurrentRequest.Response != null)
{
if (base.CurrentRequest.IsCookiesEnabled)
{
CookieJar.Set(base.CurrentRequest.Response);
}
switch (base.CurrentRequest.Response.StatusCode)
{
case 401:
{
string text2 = DigestStore.FindBest(base.CurrentRequest.Response.GetHeaderValues("www-authenticate"));
if (!string.IsNullOrEmpty(text2))
{
Digest orCreate2 = DigestStore.GetOrCreate(base.CurrentRequest.CurrentUri);
orCreate2.ParseChallange(text2);
if (base.CurrentRequest.Credentials != null && orCreate2.IsUriProtected(base.CurrentRequest.CurrentUri) && (!base.CurrentRequest.HasHeader("Authorization") || orCreate2.Stale))
{
retryCauses = RetryCauses.Authenticate;
}
}
break;
}
case 407:
if (base.CurrentRequest.HasProxy)
{
string text = DigestStore.FindBest(base.CurrentRequest.Response.GetHeaderValues("proxy-authenticate"));
if (!string.IsNullOrEmpty(text))
{
Digest orCreate = DigestStore.GetOrCreate(base.CurrentRequest.Proxy.Address);
orCreate.ParseChallange(text);
if (base.CurrentRequest.Proxy.Credentials != null && orCreate.IsUriProtected(base.CurrentRequest.Proxy.Address) && (!base.CurrentRequest.HasHeader("Proxy-Authorization") || orCreate.Stale))
{
retryCauses = RetryCauses.ProxyAuthenticate;
}
}
}
break;
case 301:
case 302:
case 307:
case 308:
if (base.CurrentRequest.RedirectCount < base.CurrentRequest.MaxRedirects)
{
base.CurrentRequest.RedirectCount++;
string firstHeaderValue = base.CurrentRequest.Response.GetFirstHeaderValue("location");
if (string.IsNullOrEmpty(firstHeaderValue))
{
throw new MissingFieldException($"Got redirect status({base.CurrentRequest.Response.StatusCode.ToString()}) without 'location' header!");
}
Uri redirectUri = GetRedirectUri(firstHeaderValue);
if (!base.CurrentRequest.CallOnBeforeRedirection(redirectUri))
{
HTTPManager.Logger.Information("HTTPConnection", "OnBeforeRedirection returned False");
}
else
{
base.CurrentRequest.RemoveHeader("Host");
base.CurrentRequest.SetHeader("Referer", base.CurrentRequest.CurrentUri.ToString());
base.CurrentRequest.RedirectUri = redirectUri;
base.CurrentRequest.Response = null;
bool flag5 = true;
base.CurrentRequest.IsRedirected = flag5;
flag2 = flag5;
}
}
break;
}
TryStoreInCache();
if (base.CurrentRequest.Response == null || (!base.CurrentRequest.Response.IsClosedManually && base.CurrentRequest.Response.HasHeaderWithValue("connection", "close")))
{
Close();
}
}
}
if (retryCauses == RetryCauses.None)
{
return;
}
}
throw new Exception("AbortRequested");
}
}
catch (TimeoutException exception)
{
base.CurrentRequest.Response = null;
base.CurrentRequest.Exception = exception;
base.CurrentRequest.State = HTTPRequestStates.ConnectionTimedOut;
Close();
}
catch (Exception exception2)
{
if (base.CurrentRequest != null)
{
if (base.CurrentRequest.UseStreaming)
{
HTTPCacheService.DeleteEntity(base.CurrentRequest.CurrentUri);
}
base.CurrentRequest.Response = null;
switch (base.State)
{
case HTTPConnectionStates.AbortRequested:
case HTTPConnectionStates.Closed:
base.CurrentRequest.State = HTTPRequestStates.Aborted;
break;
case HTTPConnectionStates.TimedOut:
base.CurrentRequest.State = HTTPRequestStates.TimedOut;
break;
default:
base.CurrentRequest.Exception = exception2;
base.CurrentRequest.State = HTTPRequestStates.Error;
break;
}
}
Close();
}
finally
{
if (base.CurrentRequest != null)
{
lock (HTTPManager.Locker)
{
if (base.CurrentRequest != null && base.CurrentRequest.Response != null && base.CurrentRequest.Response.IsUpgraded)
{
base.State = HTTPConnectionStates.Upgraded;
}
else
{
base.State = (flag2 ? HTTPConnectionStates.Redirected : ((Client != null) ? HTTPConnectionStates.WaitForRecycle : HTTPConnectionStates.Closed));
}
if (base.CurrentRequest.State == HTTPRequestStates.Processing && (base.State == HTTPConnectionStates.Closed || base.State == HTTPConnectionStates.WaitForRecycle))
{
if (base.CurrentRequest.Response != null)
{
base.CurrentRequest.State = HTTPRequestStates.Finished;
}
else
{
base.CurrentRequest.State = HTTPRequestStates.Error;
}
}
if (base.CurrentRequest.State == HTTPRequestStates.ConnectionTimedOut)
{
base.State = HTTPConnectionStates.Closed;
}
LastProcessTime = DateTime.UtcNow;
if (OnConnectionRecycled != null)
{
RecycleNow();
}
}
HTTPCacheService.SaveLibrary();
CookieJar.Persist();
}
}
}
void ThreadFunc(object param)
{
bool alreadyReconnected = false;
bool redirected = false;
RetryCauses cause = RetryCauses.None;
try
{
#if !BESTHTTP_DISABLE_PROXY
if (!HasProxy && CurrentRequest.HasProxy)
{
Proxy = CurrentRequest.Proxy;
}
#endif
#if !BESTHTTP_DISABLE_CACHING && (!UNITY_WEBGL || UNITY_EDITOR)
// Try load the full response from an already saved cache entity. If the response
if (TryLoadAllFromCache())
{
return;
}
#endif
if (Client != null && !Client.IsConnected())
{
Close();
}
do // of while (reconnect)
{
if (cause == RetryCauses.Reconnect)
{
Close();
#if NETFX_CORE
await Task.Delay(100);
#else
Thread.Sleep(100);
#endif
}
LastProcessedUri = CurrentRequest.CurrentUri;
cause = RetryCauses.None;
// Connect to the server
Connect();
if (State == HTTPConnectionStates.AbortRequested)
{
throw new Exception("AbortRequested");
}
#if !BESTHTTP_DISABLE_CACHING && (!UNITY_WEBGL || UNITY_EDITOR)
// Setup cache control headers before we send out the request
if (!CurrentRequest.DisableCache)
{
HTTPCacheService.SetHeaders(CurrentRequest);
}
#endif
// Write the request to the stream
// sentRequest will be true if the request sent out successfully(no SocketException), so we can try read the response
bool sentRequest = false;
try
{
#if !NETFX_CORE
Client.NoDelay = CurrentRequest.TryToMinimizeTCPLatency;
#endif
CurrentRequest.SendOutTo(Stream);
sentRequest = true;
}
catch (Exception ex)
{
Close();
if (State == HTTPConnectionStates.TimedOut ||
State == HTTPConnectionStates.AbortRequested)
{
throw new Exception("AbortRequested");
}
// We will try again only once
if (!alreadyReconnected && !CurrentRequest.DisableRetry)
{
alreadyReconnected = true;
cause = RetryCauses.Reconnect;
}
else // rethrow exception
{
throw ex;
}
}
// If sending out the request succeeded, we will try read the response.
if (sentRequest)
{
bool received = Receive();
if (State == HTTPConnectionStates.TimedOut ||
State == HTTPConnectionStates.AbortRequested)
{
throw new Exception("AbortRequested");
}
if (!received && !alreadyReconnected && !CurrentRequest.DisableRetry)
{
alreadyReconnected = true;
cause = RetryCauses.Reconnect;
}
if (CurrentRequest.Response != null)
{
#if !BESTHTTP_DISABLE_COOKIES && (!UNITY_WEBGL || UNITY_EDITOR)
// Try to store cookies before we do anything else, as we may remove the response deleting the cookies as well.
if (CurrentRequest.IsCookiesEnabled)
{
CookieJar.Set(CurrentRequest.Response);
}
#endif
switch (CurrentRequest.Response.StatusCode)
{
// Not authorized
// http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.4.2
case 401:
{
string authHeader = DigestStore.FindBest(CurrentRequest.Response.GetHeaderValues("www-authenticate"));
if (!string.IsNullOrEmpty(authHeader))
{
var digest = DigestStore.GetOrCreate(CurrentRequest.CurrentUri);
digest.ParseChallange(authHeader);
if (CurrentRequest.Credentials != null && digest.IsUriProtected(CurrentRequest.CurrentUri) && (!CurrentRequest.HasHeader("Authorization") || digest.Stale))
{
cause = RetryCauses.Authenticate;
}
}
goto default;
}
#if !BESTHTTP_DISABLE_PROXY
// Proxy authentication required
// http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.4.8
case 407:
{
if (CurrentRequest.HasProxy)
{
string authHeader = DigestStore.FindBest(CurrentRequest.Response.GetHeaderValues("proxy-authenticate"));
if (!string.IsNullOrEmpty(authHeader))
{
var digest = DigestStore.GetOrCreate(CurrentRequest.Proxy.Address);
digest.ParseChallange(authHeader);
if (CurrentRequest.Proxy.Credentials != null && digest.IsUriProtected(CurrentRequest.Proxy.Address) && (!CurrentRequest.HasHeader("Proxy-Authorization") || digest.Stale))
{
cause = RetryCauses.ProxyAuthenticate;
}
}
}
goto default;
}
#endif
// Redirected
case 301: // http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.3.2
case 302: // http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.3.3
case 307: // http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.3.8
case 308: // http://tools.ietf.org/html/rfc7238
{
if (CurrentRequest.RedirectCount >= CurrentRequest.MaxRedirects)
{
goto default;
}
CurrentRequest.RedirectCount++;
string location = CurrentRequest.Response.GetFirstHeaderValue("location");
if (!string.IsNullOrEmpty(location))
{
Uri redirectUri = GetRedirectUri(location);
if (HTTPManager.Logger.Level == Logger.Loglevels.All)
{
HTTPManager.Logger.Verbose("HTTPConnection", string.Format("{0} - Redirected to Location: '{1}' redirectUri: '{1}'", this.CurrentRequest.CurrentUri.ToString(), location, redirectUri));
}
// Let the user to take some control over the redirection
if (!CurrentRequest.CallOnBeforeRedirection(redirectUri))
{
HTTPManager.Logger.Information("HTTPConnection", "OnBeforeRedirection returned False");
goto default;
}
// Remove the previously set Host header.
CurrentRequest.RemoveHeader("Host");
// Set the Referer header to the last Uri.
CurrentRequest.SetHeader("Referer", CurrentRequest.CurrentUri.ToString());
// Set the new Uri, the CurrentUri will return this while the IsRedirected property is true
CurrentRequest.RedirectUri = redirectUri;
// Discard the redirect response, we don't need it any more
CurrentRequest.Response = null;
redirected = CurrentRequest.IsRedirected = true;
}
else
#if !NETFX_CORE
{ throw new MissingFieldException(string.Format("Got redirect status({0}) without 'location' header!", CurrentRequest.Response.StatusCode.ToString())); }
#else
{ throw new Exception(string.Format("Got redirect status({0}) without 'location' header!", CurrentRequest.Response.StatusCode.ToString())); }
#endif
goto default;
}
default:
#if !BESTHTTP_DISABLE_CACHING && (!UNITY_WEBGL || UNITY_EDITOR)
TryStoreInCache();
#endif
break;
}
// If we have a response and the server telling us that it closed the connection after the message sent to us, then
// we will close the connection too.
bool closeByServer = CurrentRequest.Response == null || CurrentRequest.Response.HasHeaderWithValue("connection", "close");
bool closeByClient = !CurrentRequest.Response.IsClosedManually && !CurrentRequest.IsKeepAlive;
if (closeByServer || closeByClient)
{
Close();
}
else if (CurrentRequest.Response != null)
{
var keepAliveheaderValues = CurrentRequest.Response.GetHeaderValues("keep-alive");
if (keepAliveheaderValues != null && keepAliveheaderValues.Count > 0)
{
if (KeepAlive == null)
{
KeepAlive = new KeepAliveHeader();
}
KeepAlive.Parse(keepAliveheaderValues);
}
}
}
}
} while (cause != RetryCauses.None);
}
catch (TimeoutException e)
{
CurrentRequest.Response = null;
CurrentRequest.Exception = e;
CurrentRequest.State = HTTPRequestStates.ConnectionTimedOut;
Close();
}
catch (Exception e)
{
if (CurrentRequest != null)
{
#if !BESTHTTP_DISABLE_CACHING && (!UNITY_WEBGL || UNITY_EDITOR)
if (CurrentRequest.UseStreaming)
{
HTTPCacheService.DeleteEntity(CurrentRequest.CurrentUri);
}
#endif
// Something gone bad, Response must be null!
CurrentRequest.Response = null;
switch (State)
{
case HTTPConnectionStates.Closed:
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;
}
}
Close();
}
finally
{
if (CurrentRequest != null)
{
// Avoid state changes. While we are in this block changing the connection's State, on Unity's main thread
// the HTTPManager's OnUpdate will check the connections's State and call functions that can change the inner state of
// the object. (Like setting the CurrentRequest to null in function Recycle() causing a NullRef exception)
lock (HTTPManager.Locker)
{
if (CurrentRequest != null && CurrentRequest.Response != null && CurrentRequest.Response.IsUpgraded)
{
State = HTTPConnectionStates.Upgraded;
}
else
{
State = redirected ? HTTPConnectionStates.Redirected : (Client == null ? HTTPConnectionStates.Closed : HTTPConnectionStates.WaitForRecycle);
}
// Change the request's state only when the whole processing finished
if (CurrentRequest.State == HTTPRequestStates.Processing && (State == HTTPConnectionStates.Closed || State == HTTPConnectionStates.WaitForRecycle))
{
if (CurrentRequest.Response != null)
{
CurrentRequest.State = HTTPRequestStates.Finished;
}
else
{
CurrentRequest.Exception = new Exception(string.Format("Remote server closed the connection before sending response header! Previous request state: {0}. Connection state: {1}",
CurrentRequest.State.ToString(),
State.ToString()));
CurrentRequest.State = HTTPRequestStates.Error;
}
}
if (CurrentRequest.State == HTTPRequestStates.ConnectionTimedOut)
{
State = HTTPConnectionStates.Closed;
}
LastProcessTime = DateTime.UtcNow;
if (OnConnectionRecycled != null)
{
RecycleNow();
}
}
#if !BESTHTTP_DISABLE_CACHING && (!UNITY_WEBGL || UNITY_EDITOR)
HTTPCacheService.SaveLibrary();
#endif
#if !BESTHTTP_DISABLE_COOKIES && (!UNITY_WEBGL || UNITY_EDITOR)
CookieJar.Persist();
#endif
}
}
}
public static void DownloadImage(string imageUrl, int imageSize, OnImageDownloaded onImageDownload, string fallbackImageUrl = "", bool isRetry = false)
{
ImageDownloader imageDownloaderQueue = CreateInstanceIfNeeded();
if (!string.IsNullOrEmpty(imageUrl))
{
if (downloadingImages == null)
{
downloadingImages = new Dictionary <string, List <OnImageDownloaded> >();
}
if (downloadedImages == null)
{
downloadedImages = new Dictionary <string, Texture2D>();
}
if (cachedImageQueue == null)
{
cachedImageQueue = new List <string>();
}
string cacheRef = imageUrl + ":" + imageSize;
if (downloadedImages.ContainsKey(cacheRef))
{
onImageDownload(downloadedImages[cacheRef]);
}
else if (downloadingImages.ContainsKey(cacheRef))
{
downloadingImages[cacheRef].Add(onImageDownload);
}
else
{
try
{
string url = imageUrl;
bool flag = false;
if (imageSize != 0 && imageUrl.StartsWith("https://api.vrchat.cloud/api/1/file/"))
{
string[] array = imageUrl.Remove(0, "https://api.vrchat.cloud/api/1/file/".Length).Split('/');
if (array.Length == 2 || (array.Length == 3 && array[2] == "file"))
{
string text = array[0];
string text2 = array[1];
url = "https://api.vrchat.cloud/api/1/image/" + text + "/" + text2 + "/" + imageSize.ToString();
flag = true;
}
}
downloadingImages[cacheRef] = new List <OnImageDownloaded>();
HTTPManager.SendRequest(url, HTTPMethods.Get, HTTPManager.KeepAliveDefaultValue, disableCache : false, delegate(HTTPRequest request, HTTPResponse response)
{
Action loadImage2 = delegate
{
if (response != null)
{
Texture2D dataAsTexture2D = response.DataAsTexture2D;
EncacheTexture(cacheRef, dataAsTexture2D);
onImageDownload(dataAsTexture2D);
foreach (OnImageDownloaded item in downloadingImages[cacheRef])
{
item(response.DataAsTexture2D);
}
downloadingImages.Remove(cacheRef);
}
else
{
Debug.LogError((object)("No response received: " + ((request.Exception == null) ? "No Exception" : (request.Exception.Message + "\n" + request.Exception.StackTrace))));
DownloadFallbackOrUseErrorImage(fallbackImageUrl, onImageDownload);
}
};
if (response != null && response.Data == null)
{
downloadingImages.Remove(cacheRef);
HTTPCacheService.DeleteEntity(request.CurrentUri);
if (!isRetry)
{
DownloadImage(imageUrl, imageSize, onImageDownload, fallbackImageUrl, isRetry: true);
}
}
else if (imageDownloaderQueue != null)
{
imageDownloaderQueue.QueueImageLoad(loadImage2);
}
});
}
catch (Exception ex)
{
Exception e;
Exception ex2 = e = ex;
Action loadImage = delegate
{
Debug.Log((object)("Could not download image " + imageUrl + " - " + e.Message));
DownloadFallbackOrUseErrorImage(fallbackImageUrl, onImageDownload);
};
imageDownloaderQueue.QueueImageLoad(loadImage);
}
}
}
}
private void ProcessState(List <HTTP2FrameHeaderAndPayload> outgoingFrames)
{
switch (this.State)
{
case HTTP2StreamStates.Idle:
UInt32 initiatedInitialWindowSize = this.settings.InitiatedMySettings[HTTP2Settings.INITIAL_WINDOW_SIZE];
this.localWindow = initiatedInitialWindowSize;
// window update with a zero increment would be an error (https://httpwg.org/specs/rfc7540.html#WINDOW_UPDATE)
//if (HTTP2Connection.MaxValueFor31Bits > initiatedInitialWindowSize)
// this.outgoing.Enqueue(HTTP2FrameHelper.CreateWindowUpdateFrame(this.Id, HTTP2Connection.MaxValueFor31Bits - initiatedInitialWindowSize));
//this.localWindow = HTTP2Connection.MaxValueFor31Bits;
#if !BESTHTTP_DISABLE_CACHING
// Setup cache control headers before we send out the request
if (!this.AssignedRequest.DisableCache)
{
HTTPCacheService.SetHeaders(this.AssignedRequest);
}
#endif
// hpack encode the request's header
this.encoder.Encode(this, this.AssignedRequest, this.outgoing, this.Id);
// HTTP/2 uses DATA frames to carry message payloads.
// The chunked transfer encoding defined in Section 4.1 of [RFC7230] MUST NOT be used in HTTP/2.
this.bodyToSend = this.AssignedRequest.GetEntityBody();
this.State = HTTP2StreamStates.Open;
if (this.bodyToSend == null || this.bodyToSend.Length == 0)
{
this.State = HTTP2StreamStates.HalfClosedLocal;
}
else
{
this.State = HTTP2StreamStates.Open;
}
break;
case HTTP2StreamStates.Open:
// remote Window can be negative! See https://httpwg.org/specs/rfc7540.html#InitialWindowSize
if (this.remoteWindow <= 0)
{
HTTPManager.Logger.Warning("HTTP2Stream", string.Format("[{0}] Skipping data sending as remote Window is {1}!", this.Id, this.remoteWindow));
return;
}
// This step will send one frame per OpenState call.
Int64 maxFrameSize = Math.Min(this.remoteWindow, this.settings.RemoteSettings[HTTP2Settings.MAX_FRAME_SIZE]);
HTTP2FrameHeaderAndPayload frame = new HTTP2FrameHeaderAndPayload();
frame.Type = HTTP2FrameTypes.DATA;
frame.StreamId = this.Id;
frame.Payload = this.bodyToSend;
frame.PayloadLength = (UInt32)Math.Min(maxFrameSize, this.bodyToSend.Length - this.bodyToSendOffset);
frame.PayloadOffset = this.bodyToSendOffset;
frame.DontUseMemPool = true;
this.bodyToSendOffset += frame.PayloadLength;
if (this.bodyToSendOffset >= this.bodyToSend.Length)
{
frame.Flags = (byte)(HTTP2DataFlags.END_STREAM);
this.State = HTTP2StreamStates.HalfClosedLocal;
}
this.outgoing.Enqueue(frame);
this.remoteWindow -= frame.PayloadLength;
this.sentData += frame.PayloadLength;
//HTTPManager.Logger.Information("HTTP2Stream", string.Format("[{0}] New DATA frame created! remoteWindow: {1:N0}", this.Id, this.remoteWindow));
break;
case HTTP2StreamStates.HalfClosedLocal:
break;
case HTTP2StreamStates.HalfClosedRemote:
break;
case HTTP2StreamStates.Closed:
break;
}
}
private void ThreadFunc(object param)
{
bool flag = false;
bool flag2 = false;
RetryCauses retryCauses = RetryCauses.None;
object obj = null;
try
{
if (!CurrentRequest.DisableCache)
{
Monitor.Enter(obj = HTTPCacheFileLock.Acquire(CurrentRequest.CurrentUri));
}
CurrentRequest.Processing = true;
if (!TryLoadAllFromCache())
{
if (Client != null && !Client.IsConnected())
{
Close();
}
do
{
if (retryCauses == RetryCauses.Reconnect)
{
Close();
Thread.Sleep(100);
}
retryCauses = RetryCauses.None;
Connect();
if (!CurrentRequest.DisableCache)
{
HTTPCacheService.SetHeaders(CurrentRequest);
}
bool flag3 = CurrentRequest.SendOutTo(Stream);
if (!flag3)
{
Close();
if (!flag)
{
flag = true;
retryCauses = RetryCauses.Reconnect;
}
}
if (flag3)
{
if (!Receive() && !flag)
{
flag = true;
retryCauses = RetryCauses.Reconnect;
}
if (CurrentRequest.Response != null)
{
switch (CurrentRequest.Response.StatusCode)
{
case 401:
{
string firstHeaderValue2 = CurrentRequest.Response.GetFirstHeaderValue("www-authenticate");
if (!string.IsNullOrEmpty(firstHeaderValue2))
{
Digest orCreate = DigestStore.GetOrCreate(CurrentRequest.CurrentUri);
orCreate.ParseChallange(firstHeaderValue2);
if (CurrentRequest.Credentials != null && orCreate.IsUriProtected(CurrentRequest.CurrentUri) && (!CurrentRequest.HasHeader("Authorization") || orCreate.Stale))
{
retryCauses = RetryCauses.Authenticate;
}
}
break;
}
case 301:
case 302:
case 307:
if (CurrentRequest.RedirectCount < CurrentRequest.MaxRedirects)
{
CurrentRequest.RedirectCount++;
string firstHeaderValue = CurrentRequest.Response.GetFirstHeaderValue("location");
if (string.IsNullOrEmpty(firstHeaderValue))
{
throw new MissingFieldException($"Got redirect status({CurrentRequest.Response.StatusCode.ToString()}) without 'location' header!");
}
CurrentRequest.RedirectUri = GetRedirectUri(firstHeaderValue);
CurrentRequest.Response = null;
bool flag4 = true;
CurrentRequest.IsRedirected = flag4;
flag2 = flag4;
}
break;
}
TryStoreInCache();
if (CurrentRequest.Response.HasHeaderWithValue("connection", "close") || CurrentRequest.UseAlternateSSL)
{
Close();
}
}
}
}while (retryCauses != 0);
}
}
catch (Exception exception)
{
if (CurrentRequest.UseStreaming)
{
HTTPCacheService.DeleteEntity(CurrentRequest.CurrentUri);
}
CurrentRequest.Response = null;
CurrentRequest.Exception = exception;
Close();
}
finally
{
if (!CurrentRequest.DisableCache && obj != null)
{
Monitor.Exit(obj);
}
HTTPCacheService.SaveLibrary();
CurrentRequest.Processing = false;
if (CurrentRequest != null && CurrentRequest.Response != null && CurrentRequest.Response.IsUpgraded)
{
State = HTTPConnectionStates.Upgraded;
}
else
{
State = (flag2 ? HTTPConnectionStates.Redirected : ((Client != null) ? HTTPConnectionStates.WaitForRecycle : HTTPConnectionStates.Closed));
}
LastProcessTime = DateTime.UtcNow;
}
}
private void ProcessState(List <HTTP2FrameHeaderAndPayload> outgoingFrames)
{
switch (this.State)
{
case HTTP2StreamStates.Idle:
UInt32 initiatedInitialWindowSize = this.settings.InitiatedMySettings[HTTP2Settings.INITIAL_WINDOW_SIZE];
this.localWindow = initiatedInitialWindowSize;
// window update with a zero increment would be an error (https://httpwg.org/specs/rfc7540.html#WINDOW_UPDATE)
//if (HTTP2Connection.MaxValueFor31Bits > initiatedInitialWindowSize)
// this.outgoing.Enqueue(HTTP2FrameHelper.CreateWindowUpdateFrame(this.Id, HTTP2Connection.MaxValueFor31Bits - initiatedInitialWindowSize));
//this.localWindow = HTTP2Connection.MaxValueFor31Bits;
#if !BESTHTTP_DISABLE_CACHING
// Setup cache control headers before we send out the request
if (!this.AssignedRequest.DisableCache)
{
HTTPCacheService.SetHeaders(this.AssignedRequest);
}
#endif
// hpack encode the request's headers
this.encoder.Encode(this, this.AssignedRequest, this.outgoing, this.Id);
// HTTP/2 uses DATA frames to carry message payloads.
// The chunked transfer encoding defined in Section 4.1 of [RFC7230] MUST NOT be used in HTTP/2.
this.uploadStreamInfo = this.AssignedRequest.GetUpStream();
//this.State = HTTP2StreamStates.Open;
if (this.uploadStreamInfo.Stream == null)
{
this.State = HTTP2StreamStates.HalfClosedLocal;
this.AssignedRequest.Timing.Add(TimingEventNames.Request_Sent);
}
else
{
this.State = HTTP2StreamStates.Open;
this.lastReadCount = 1;
}
break;
case HTTP2StreamStates.Open:
// remote Window can be negative! See https://httpwg.org/specs/rfc7540.html#InitialWindowSize
if (this.remoteWindow <= 0)
{
HTTPManager.Logger.Warning("HTTP2Stream", string.Format("[{0}] Skipping data sending as remote Window is {1}!", this.Id, this.remoteWindow), this.Context, this.AssignedRequest.Context, this.parent.Context);
return;
}
// This step will send one frame per OpenState call.
Int64 maxFrameSize = Math.Min(this.remoteWindow, this.settings.RemoteSettings[HTTP2Settings.MAX_FRAME_SIZE]);
HTTP2FrameHeaderAndPayload frame = new HTTP2FrameHeaderAndPayload();
frame.Type = HTTP2FrameTypes.DATA;
frame.StreamId = this.Id;
frame.Payload = BufferPool.Get(maxFrameSize, true);
// Expect a readCount of zero if it's end of the stream. But, to enable non-blocking scenario to wait for data, going to treat a negative value as no data.
this.lastReadCount = this.uploadStreamInfo.Stream.Read(frame.Payload, 0, (int)Math.Min(maxFrameSize, int.MaxValue));
if (this.lastReadCount <= 0)
{
BufferPool.Release(frame.Payload);
frame.Payload = null;
frame.PayloadLength = 0;
if (this.lastReadCount < 0)
{
break;
}
}
else
{
frame.PayloadLength = (UInt32)this.lastReadCount;
}
frame.PayloadOffset = 0;
frame.DontUseMemPool = false;
if (this.lastReadCount <= 0)
{
this.uploadStreamInfo.Stream.Dispose();
this.uploadStreamInfo = new HTTPRequest.UploadStreamInfo();
frame.Flags = (byte)(HTTP2DataFlags.END_STREAM);
this.State = HTTP2StreamStates.HalfClosedLocal;
this.AssignedRequest.Timing.Add(TimingEventNames.Request_Sent);
}
this.outgoing.Enqueue(frame);
this.remoteWindow -= frame.PayloadLength;
this.sentData += frame.PayloadLength;
if (this.AssignedRequest.OnUploadProgress != null)
{
RequestEventHelper.EnqueueRequestEvent(new RequestEventInfo(this.AssignedRequest, RequestEvents.UploadProgress, this.sentData, this.uploadStreamInfo.Length));
}
//HTTPManager.Logger.Information("HTTP2Stream", string.Format("[{0}] New DATA frame created! remoteWindow: {1:N0}", this.Id, this.remoteWindow), this.Context, this.AssignedRequest.Context, this.parent.Context);
break;
case HTTP2StreamStates.HalfClosedLocal:
break;
case HTTP2StreamStates.HalfClosedRemote:
break;
case HTTP2StreamStates.Closed:
break;
}
}
private void Awake()
{
HTTPCacheService.SetupCacheFolder();
CookieJar.SetupFolder();
CookieJar.Load();
}
public static void HandleResponse(string context, HTTPRequest request, out bool resendRequest, out HTTPConnectionStates proposedConnectionState, ref KeepAliveHeader keepAlive, LoggingContext loggingContext1 = null, LoggingContext loggingContext2 = null, LoggingContext loggingContext3 = null)
{
resendRequest = false;
proposedConnectionState = HTTPConnectionStates.Processing;
if (request.Response != null)
{
#if !BESTHTTP_DISABLE_COOKIES
// Try to store cookies before we do anything else, as we may remove the response deleting the cookies as well.
if (request.IsCookiesEnabled)
{
CookieJar.Set(request.Response);
}
#endif
switch (request.Response.StatusCode)
{
// Not authorized
// http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.4.2
case 401:
{
string authHeader = DigestStore.FindBest(request.Response.GetHeaderValues("www-authenticate"));
if (!string.IsNullOrEmpty(authHeader))
{
var digest = DigestStore.GetOrCreate(request.CurrentUri);
digest.ParseChallange(authHeader);
if (request.Credentials != null && digest.IsUriProtected(request.CurrentUri) && (!request.HasHeader("Authorization") || digest.Stale))
{
resendRequest = true;
}
}
goto default;
}
// Redirected
case 301: // http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.3.2
case 302: // http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.3.3
case 307: // http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.3.8
case 308: // http://tools.ietf.org/html/rfc7238
{
if (request.RedirectCount >= request.MaxRedirects)
{
goto default;
}
request.RedirectCount++;
string location = request.Response.GetFirstHeaderValue("location");
if (!string.IsNullOrEmpty(location))
{
Uri redirectUri = ConnectionHelper.GetRedirectUri(request, location);
if (HTTPManager.Logger.Level == Logger.Loglevels.All)
{
HTTPManager.Logger.Verbose("HTTPConnection", string.Format("[{0}] - Redirected to Location: '{1}' redirectUri: '{1}'", context, location, redirectUri), loggingContext1, loggingContext2, loggingContext3);
}
// Let the user to take some control over the redirection
if (!request.CallOnBeforeRedirection(redirectUri))
{
HTTPManager.Logger.Information("HTTPConnection", string.Format("[{0}] OnBeforeRedirection returned False", context), loggingContext1, loggingContext2, loggingContext3);
goto default;
}
// Remove the previously set Host header.
request.RemoveHeader("Host");
// Set the Referer header to the last Uri.
request.SetHeader("Referer", request.CurrentUri.ToString());
// Set the new Uri, the CurrentUri will return this while the IsRedirected property is true
request.RedirectUri = redirectUri;
request.IsRedirected = true;
resendRequest = true;
}
else
{
throw new Exception(string.Format("[{0}] Got redirect status({1}) without 'location' header!", context, request.Response.StatusCode.ToString()));
}
goto default;
}
#if !BESTHTTP_DISABLE_CACHING
case 304:
if (request.DisableCache)
{
break;
}
if (ConnectionHelper.LoadFromCache(context, request, loggingContext1, loggingContext2, loggingContext3))
{
request.Timing.Add(TimingEventNames.Loading_From_Cache);
HTTPManager.Logger.Verbose("HTTPConnection", string.Format("[{0}] - HandleResponse - Loaded from cache successfully!", context), loggingContext1, loggingContext2, loggingContext3);
// Update any caching value
HTTPCacheService.SetUpCachingValues(request.CurrentUri, request.Response);
}
else
{
HTTPManager.Logger.Verbose("HTTPConnection", string.Format("[{0}] - HandleResponse - Loaded from cache failed!", context), loggingContext1, loggingContext2, loggingContext3);
resendRequest = true;
}
break;
#endif
default:
#if !BESTHTTP_DISABLE_CACHING
ConnectionHelper.TryStoreInCache(request);
#endif
break;
}
// Closing the stream is done manually?
if (request.Response != null && !request.Response.IsClosedManually)
{
// If we have a response and the server telling us that it closed the connection after the message sent to us, then
// we will close the connection too.
bool closeByServer = request.Response.HasHeaderWithValue("connection", "close");
bool closeByClient = !request.IsKeepAlive;
if (closeByServer || closeByClient)
{
proposedConnectionState = HTTPConnectionStates.Closed;
}
else if (request.Response != null)
{
var keepAliveheaderValues = request.Response.GetHeaderValues("keep-alive");
if (keepAliveheaderValues != null && keepAliveheaderValues.Count > 0)
{
if (keepAlive == null)
{
keepAlive = new KeepAliveHeader();
}
keepAlive.Parse(keepAliveheaderValues);
}
}
}
// Null out the response here instead of the redirected cases (301, 302, 307, 308)
// because response might have a Connection: Close header that we would miss to process.
// If Connection: Close is present, the server is closing the connection and we would
// reuse that closed connection.
if (resendRequest)
{
// Discard the redirect response, we don't need it any more
request.Response = null;
if (proposedConnectionState == HTTPConnectionStates.Closed)
{
proposedConnectionState = HTTPConnectionStates.ClosedResendRequest;
}
}
}
}
private void TryStoreInCache()
{
if (((!base.CurrentRequest.UseStreaming && !base.CurrentRequest.DisableCache) && ((base.CurrentRequest.Response != null) && HTTPCacheService.IsSupported)) && HTTPCacheService.IsCacheble(base.CurrentRequest.CurrentUri, base.CurrentRequest.MethodType, base.CurrentRequest.Response))
{
if (base.CurrentRequest.IsRedirected)
{
HTTPCacheService.Store(base.CurrentRequest.Uri, base.CurrentRequest.MethodType, base.CurrentRequest.Response);
}
else
{
HTTPCacheService.Store(base.CurrentRequest.CurrentUri, base.CurrentRequest.MethodType, base.CurrentRequest.Response);
}
}
}
protected override void ThreadFunc(object param)
{
bool flag = false;
bool flag2 = false;
RetryCauses none = RetryCauses.None;
try
{
if (!base.HasProxy && base.CurrentRequest.HasProxy)
{
base.Proxy = base.CurrentRequest.Proxy;
}
if (!this.TryLoadAllFromCache())
{
if ((this.Client != null) && !this.Client.IsConnected())
{
this.Close();
}
do
{
if (none == RetryCauses.Reconnect)
{
this.Close();
Thread.Sleep(100);
}
base.LastProcessedUri = base.CurrentRequest.CurrentUri;
none = RetryCauses.None;
this.Connect();
if (base.State == HTTPConnectionStates.AbortRequested)
{
throw new Exception("AbortRequested");
}
if (!base.CurrentRequest.DisableCache)
{
HTTPCacheService.SetHeaders(base.CurrentRequest);
}
bool flag3 = false;
try
{
this.Client.NoDelay = base.CurrentRequest.TryToMinimizeTCPLatency;
base.CurrentRequest.SendOutTo(this.Stream);
flag3 = true;
}
catch (Exception exception)
{
this.Close();
if ((base.State == HTTPConnectionStates.TimedOut) || (base.State == HTTPConnectionStates.AbortRequested))
{
throw new Exception("AbortRequested");
}
if (flag || base.CurrentRequest.DisableRetry)
{
throw exception;
}
flag = true;
none = RetryCauses.Reconnect;
}
if (flag3)
{
bool flag4 = this.Receive();
if ((base.State == HTTPConnectionStates.TimedOut) || (base.State == HTTPConnectionStates.AbortRequested))
{
throw new Exception("AbortRequested");
}
if ((!flag4 && !flag) && !base.CurrentRequest.DisableRetry)
{
flag = true;
none = RetryCauses.Reconnect;
}
if (base.CurrentRequest.Response != null)
{
if (base.CurrentRequest.IsCookiesEnabled)
{
CookieJar.Set(base.CurrentRequest.Response);
}
switch (base.CurrentRequest.Response.StatusCode)
{
case 0x12d:
case 0x12e:
case 0x133:
case 0x134:
if (base.CurrentRequest.RedirectCount < base.CurrentRequest.MaxRedirects)
{
HTTPRequest currentRequest = base.CurrentRequest;
currentRequest.RedirectCount++;
string firstHeaderValue = base.CurrentRequest.Response.GetFirstHeaderValue("location");
if (string.IsNullOrEmpty(firstHeaderValue))
{
throw new MissingFieldException($"Got redirect status({base.CurrentRequest.Response.StatusCode.ToString()}) without 'location' header!");
}
Uri redirectUri = this.GetRedirectUri(firstHeaderValue);
if (HTTPManager.Logger.Level == Loglevels.All)
{
HTTPManager.Logger.Verbose("HTTPConnection", string.Format("{0} - Redirected to Location: '{1}' redirectUri: '{1}'", base.CurrentRequest.CurrentUri.ToString(), firstHeaderValue, redirectUri));
}
if (!base.CurrentRequest.CallOnBeforeRedirection(redirectUri))
{
HTTPManager.Logger.Information("HTTPConnection", "OnBeforeRedirection returned False");
}
else
{
base.CurrentRequest.RemoveHeader("Host");
base.CurrentRequest.SetHeader("Referer", base.CurrentRequest.CurrentUri.ToString());
base.CurrentRequest.RedirectUri = redirectUri;
base.CurrentRequest.Response = null;
bool flag5 = true;
base.CurrentRequest.IsRedirected = flag5;
flag2 = flag5;
}
}
break;
case 0x191:
{
string str = DigestStore.FindBest(base.CurrentRequest.Response.GetHeaderValues("www-authenticate"));
if (!string.IsNullOrEmpty(str))
{
Digest orCreate = DigestStore.GetOrCreate(base.CurrentRequest.CurrentUri);
orCreate.ParseChallange(str);
if (((base.CurrentRequest.Credentials != null) && orCreate.IsUriProtected(base.CurrentRequest.CurrentUri)) && (!base.CurrentRequest.HasHeader("Authorization") || orCreate.Stale))
{
none = RetryCauses.Authenticate;
}
}
break;
}
case 0x197:
if (base.CurrentRequest.HasProxy)
{
string str2 = DigestStore.FindBest(base.CurrentRequest.Response.GetHeaderValues("proxy-authenticate"));
if (!string.IsNullOrEmpty(str2))
{
Digest orCreate = DigestStore.GetOrCreate(base.CurrentRequest.Proxy.Address);
orCreate.ParseChallange(str2);
if (((base.CurrentRequest.Proxy.Credentials != null) && orCreate.IsUriProtected(base.CurrentRequest.Proxy.Address)) && (!base.CurrentRequest.HasHeader("Proxy-Authorization") || orCreate.Stale))
{
none = RetryCauses.ProxyAuthenticate;
}
}
}
break;
}
this.TryStoreInCache();
if ((base.CurrentRequest.Response == null) || !base.CurrentRequest.Response.IsClosedManually)
{
bool flag6 = (base.CurrentRequest.Response == null) || base.CurrentRequest.Response.HasHeaderWithValue("connection", "close");
bool flag7 = !base.CurrentRequest.IsKeepAlive;
if (flag6 || flag7)
{
this.Close();
}
else if (base.CurrentRequest.Response != null)
{
List <string> headerValues = base.CurrentRequest.Response.GetHeaderValues("keep-alive");
if ((headerValues != null) && (headerValues.Count > 0))
{
if (this.KeepAlive == null)
{
this.KeepAlive = new KeepAliveHeader();
}
this.KeepAlive.Parse(headerValues);
}
}
}
}
}
}while (none != RetryCauses.None);
}
}
catch (TimeoutException exception2)
{
base.CurrentRequest.Response = null;
base.CurrentRequest.Exception = exception2;
base.CurrentRequest.State = HTTPRequestStates.ConnectionTimedOut;
this.Close();
}
catch (Exception exception3)
{
if (base.CurrentRequest != null)
{
if (base.CurrentRequest.UseStreaming)
{
HTTPCacheService.DeleteEntity(base.CurrentRequest.CurrentUri, true);
}
base.CurrentRequest.Response = null;
switch (base.State)
{
case HTTPConnectionStates.AbortRequested:
case HTTPConnectionStates.Closed:
base.CurrentRequest.State = HTTPRequestStates.Aborted;
goto Label_0685;
case HTTPConnectionStates.TimedOut:
base.CurrentRequest.State = HTTPRequestStates.TimedOut;
goto Label_0685;
}
base.CurrentRequest.Exception = exception3;
base.CurrentRequest.State = HTTPRequestStates.Error;
}
Label_0685:
this.Close();
}
finally
{
if (base.CurrentRequest != null)
{
object locker = HTTPManager.Locker;
lock (locker)
{
if (((base.CurrentRequest != null) && (base.CurrentRequest.Response != null)) && base.CurrentRequest.Response.IsUpgraded)
{
base.State = HTTPConnectionStates.Upgraded;
}
else
{
base.State = !flag2 ? ((this.Client != null) ? HTTPConnectionStates.WaitForRecycle : HTTPConnectionStates.Closed) : HTTPConnectionStates.Redirected;
}
if ((base.CurrentRequest.State == HTTPRequestStates.Processing) && ((base.State == HTTPConnectionStates.Closed) || (base.State == HTTPConnectionStates.WaitForRecycle)))
{
if (base.CurrentRequest.Response != null)
{
base.CurrentRequest.State = HTTPRequestStates.Finished;
}
else
{
base.CurrentRequest.Exception = new Exception($"Remote server closed the connection before sending response header! Previous request state: {base.CurrentRequest.State.ToString()}. Connection state: {base.State.ToString()}");
base.CurrentRequest.State = HTTPRequestStates.Error;
}
}
if (base.CurrentRequest.State == HTTPRequestStates.ConnectionTimedOut)
{
base.State = HTTPConnectionStates.Closed;
}
base.LastProcessTime = DateTime.UtcNow;
if (base.OnConnectionRecycled != null)
{
base.RecycleNow();
}
}
HTTPCacheService.SaveLibrary();
CookieJar.Persist();
}
}
}
private void TryStoreInCache()
{
if (!CurrentRequest.UseStreaming && !CurrentRequest.DisableCache && CurrentRequest.Response != null && HTTPCacheService.IsCacheble(CurrentRequest.CurrentUri, CurrentRequest.MethodType, CurrentRequest.Response))
{
HTTPCacheService.Store(CurrentRequest.CurrentUri, CurrentRequest.MethodType, CurrentRequest.Response);
}
}
// Token: 0x060025A8 RID: 9640 RVA: 0x000B99E4 File Offset: 0x000B7DE4
private void OnGUI()
{
GeneralStatistics stats = HTTPManager.GetGeneralStatistics(StatisticsQueryFlags.All);
GUIHelper.DrawArea(new Rect(0f, 0f, (float)(Screen.width / 3), 160f), false, delegate
{
GUIHelper.DrawCenteredText("Connections");
GUILayout.Space(5f);
GUIHelper.DrawRow("Sum:", stats.Connections.ToString());
GUIHelper.DrawRow("Active:", stats.ActiveConnections.ToString());
GUIHelper.DrawRow("Free:", stats.FreeConnections.ToString());
GUIHelper.DrawRow("Recycled:", stats.RecycledConnections.ToString());
GUIHelper.DrawRow("Requests in queue:", stats.RequestsInQueue.ToString());
});
GUIHelper.DrawArea(new Rect((float)(Screen.width / 3), 0f, (float)(Screen.width / 3), 160f), false, delegate
{
GUIHelper.DrawCenteredText("Cache");
if (!HTTPCacheService.IsSupported)
{
GUI.color = Color.yellow;
GUIHelper.DrawCenteredText("Disabled in WebPlayer, WebGL & Samsung Smart TV Builds!");
GUI.color = Color.white;
}
else
{
GUILayout.Space(5f);
GUIHelper.DrawRow("Cached entities:", stats.CacheEntityCount.ToString());
GUIHelper.DrawRow("Sum Size (bytes): ", stats.CacheSize.ToString("N0"));
GUILayout.BeginVertical(new GUILayoutOption[0]);
GUILayout.FlexibleSpace();
if (GUILayout.Button("Clear Cache", new GUILayoutOption[0]))
{
HTTPCacheService.BeginClear();
}
GUILayout.EndVertical();
}
});
GUIHelper.DrawArea(new Rect((float)(Screen.width / 3 * 2), 0f, (float)(Screen.width / 3), 160f), false, delegate
{
GUIHelper.DrawCenteredText("Cookies");
if (!CookieJar.IsSavingSupported)
{
GUI.color = Color.yellow;
GUIHelper.DrawCenteredText("Saving and loading from disk is disabled in WebPlayer, WebGL & Samsung Smart TV Builds!");
GUI.color = Color.white;
}
else
{
GUILayout.Space(5f);
GUIHelper.DrawRow("Cookies:", stats.CookieCount.ToString());
GUIHelper.DrawRow("Estimated size (bytes):", stats.CookieJarSize.ToString("N0"));
GUILayout.BeginVertical(new GUILayoutOption[0]);
GUILayout.FlexibleSpace();
if (GUILayout.Button("Clear Cookies", new GUILayoutOption[0]))
{
HTTPManager.OnQuit();
}
GUILayout.EndVertical();
}
});
if (SampleSelector.SelectedSample == null || (SampleSelector.SelectedSample != null && !SampleSelector.SelectedSample.IsRunning))
{
GUIHelper.DrawArea(new Rect(0f, 165f, (float)((SampleSelector.SelectedSample != null) ? (Screen.width / 3) : Screen.width), (float)(Screen.height - 160 - 5)), false, delegate
{
this.scrollPos = GUILayout.BeginScrollView(this.scrollPos, new GUILayoutOption[0]);
for (int i = 0; i < this.Samples.Count; i++)
{
this.DrawSample(this.Samples[i]);
}
GUILayout.EndScrollView();
});
if (SampleSelector.SelectedSample != null)
{
this.DrawSampleDetails(SampleSelector.SelectedSample);
}
}
else if (SampleSelector.SelectedSample != null && SampleSelector.SelectedSample.IsRunning)
{
GUILayout.BeginArea(new Rect(0f, (float)(Screen.height - 50), (float)Screen.width, 50f), string.Empty);
GUILayout.FlexibleSpace();
GUILayout.BeginHorizontal(new GUILayoutOption[0]);
GUILayout.FlexibleSpace();
GUILayout.BeginVertical(new GUILayoutOption[0]);
GUILayout.FlexibleSpace();
if (GUILayout.Button("Back", new GUILayoutOption[]
{
GUILayout.MinWidth(100f)
}))
{
SampleSelector.SelectedSample.DestroyUnityObject();
}
GUILayout.FlexibleSpace();
GUILayout.EndVertical();
GUILayout.EndHorizontal();
GUILayout.EndArea();
}
}
private void Awake()
{
HTTPCacheService.SetupCacheFolder();
}
private void OnGUI()
{
GUIHelper.DrawArea(GUIHelper.ClientArea, true, delegate
{
GUILayout.BeginHorizontal(new GUILayoutOption[0]);
GUILayout.Label("Delete cached entities older then", new GUILayoutOption[0]);
GUILayout.Label(this.value.ToString(), new GUILayoutOption[]
{
GUILayout.MinWidth(50f)
});
this.value = (int)GUILayout.HorizontalSlider((float)this.value, 1f, 60f, new GUILayoutOption[]
{
GUILayout.MinWidth(100f)
});
GUILayout.Space(10f);
this.deleteOlderType = (CacheMaintenanceSample.DeleteOlderTypes)GUILayout.SelectionGrid((int)this.deleteOlderType, new string[]
{
"Days",
"Hours",
"Mins",
"Secs"
}, 4, new GUILayoutOption[0]);
GUILayout.FlexibleSpace();
GUILayout.EndHorizontal();
GUILayout.Space(10f);
GUILayout.BeginHorizontal(new GUILayoutOption[0]);
GUILayout.Label("Max Cache Size (bytes): ", new GUILayoutOption[]
{
GUILayout.Width(150f)
});
GUILayout.Label(this.maxCacheSize.ToString("N0"), new GUILayoutOption[]
{
GUILayout.Width(70f)
});
this.maxCacheSize = (int)GUILayout.HorizontalSlider((float)this.maxCacheSize, 1024f, 1.048576E+07f, new GUILayoutOption[0]);
GUILayout.EndHorizontal();
GUILayout.Space(10f);
if (GUILayout.Button("Maintenance", new GUILayoutOption[0]))
{
TimeSpan deleteOlder = TimeSpan.FromDays(14.0);
switch (this.deleteOlderType)
{
case CacheMaintenanceSample.DeleteOlderTypes.Days:
deleteOlder = TimeSpan.FromDays((double)this.value);
break;
case CacheMaintenanceSample.DeleteOlderTypes.Hours:
deleteOlder = TimeSpan.FromHours((double)this.value);
break;
case CacheMaintenanceSample.DeleteOlderTypes.Mins:
deleteOlder = TimeSpan.FromMinutes((double)this.value);
break;
case CacheMaintenanceSample.DeleteOlderTypes.Secs:
deleteOlder = TimeSpan.FromSeconds((double)this.value);
break;
}
HTTPCacheService.BeginMaintainence(new HTTPCacheMaintananceParams(deleteOlder, (ulong)((long)this.maxCacheSize)));
}
});
}
public void RunHandler()
{
HTTPManager.Logger.Information("HTTP1Handler", string.Format("[{0}] started processing request '{1}'", this, this.conn.CurrentRequest.CurrentUri.ToString()), this.Context, this.conn.CurrentRequest.Context);
HTTPConnectionStates proposedConnectionState = HTTPConnectionStates.Processing;
bool resendRequest = false;
try
{
if (this.conn.CurrentRequest.IsCancellationRequested)
{
return;
}
#if !BESTHTTP_DISABLE_CACHING
// Setup cache control headers before we send out the request
if (!this.conn.CurrentRequest.DisableCache)
{
HTTPCacheService.SetHeaders(this.conn.CurrentRequest);
}
#endif
// Write the request to the stream
this.conn.CurrentRequest.SendOutTo(this.conn.connector.Stream);
if (this.conn.CurrentRequest.IsCancellationRequested)
{
return;
}
this.conn.CurrentRequest.OnCancellationRequested += OnCancellationRequested;
// Receive response from the server
bool received = Receive(this.conn.CurrentRequest);
if (this.conn.CurrentRequest.IsCancellationRequested)
{
return;
}
if (!received && this.conn.CurrentRequest.Retries < this.conn.CurrentRequest.MaxRetries)
{
proposedConnectionState = HTTPConnectionStates.Closed;
this.conn.CurrentRequest.Retries++;
resendRequest = true;
return;
}
ConnectionHelper.HandleResponse(this.conn.ToString(), this.conn.CurrentRequest, out resendRequest, out proposedConnectionState, ref this._keepAlive, this.conn.Context, this.conn.CurrentRequest.Context);
}
catch (TimeoutException e)
{
this.conn.CurrentRequest.Response = null;
// We will try again only once
if (this.conn.CurrentRequest.Retries < this.conn.CurrentRequest.MaxRetries)
{
this.conn.CurrentRequest.Retries++;
resendRequest = true;
}
else
{
this.conn.CurrentRequest.Exception = e;
this.conn.CurrentRequest.State = HTTPRequestStates.ConnectionTimedOut;
}
proposedConnectionState = HTTPConnectionStates.Closed;
}
catch (Exception e)
{
if (this.ShutdownType == ShutdownTypes.Immediate)
{
return;
}
string exceptionMessage = string.Empty;
if (e == null)
{
exceptionMessage = "null";
}
else
{
System.Text.StringBuilder sb = new System.Text.StringBuilder();
Exception exception = e;
int counter = 1;
while (exception != null)
{
sb.AppendFormat("{0}: {1} {2}", counter++.ToString(), exception.Message, exception.StackTrace);
exception = exception.InnerException;
if (exception != null)
{
sb.AppendLine();
}
}
exceptionMessage = sb.ToString();
}
HTTPManager.Logger.Verbose("HTTP1Handler", exceptionMessage, this.Context, this.conn.CurrentRequest.Context);
#if !BESTHTTP_DISABLE_CACHING
if (this.conn.CurrentRequest.UseStreaming)
{
HTTPCacheService.DeleteEntity(this.conn.CurrentRequest.CurrentUri);
}
#endif
// Something gone bad, Response must be null!
this.conn.CurrentRequest.Response = null;
if (!this.conn.CurrentRequest.IsCancellationRequested)
{
this.conn.CurrentRequest.Exception = e;
this.conn.CurrentRequest.State = HTTPRequestStates.Error;
}
proposedConnectionState = HTTPConnectionStates.Closed;
}
finally
{
this.conn.CurrentRequest.OnCancellationRequested -= OnCancellationRequested;
// Exit ASAP
if (this.ShutdownType != ShutdownTypes.Immediate)
{
if (this.conn.CurrentRequest.IsCancellationRequested)
{
// we don't know what stage the request is canceled, we can't safely reuse the tcp channel.
proposedConnectionState = HTTPConnectionStates.Closed;
this.conn.CurrentRequest.Response = null;
this.conn.CurrentRequest.State = this.conn.CurrentRequest.IsTimedOut ? HTTPRequestStates.TimedOut : HTTPRequestStates.Aborted;
}
else if (resendRequest)
{
RequestEventHelper.EnqueueRequestEvent(new RequestEventInfo(this.conn.CurrentRequest, RequestEvents.Resend));
}
else if (this.conn.CurrentRequest.Response != null && this.conn.CurrentRequest.Response.IsUpgraded)
{
proposedConnectionState = HTTPConnectionStates.WaitForProtocolShutdown;
}
else if (this.conn.CurrentRequest.State == HTTPRequestStates.Processing)
{
if (this.conn.CurrentRequest.Response != null)
{
this.conn.CurrentRequest.State = HTTPRequestStates.Finished;
}
else
{
this.conn.CurrentRequest.Exception = new Exception(string.Format("[{0}] Remote server closed the connection before sending response header! Previous request state: {1}. Connection state: {2}",
this.ToString(),
this.conn.CurrentRequest.State.ToString(),
this.conn.State.ToString()));
this.conn.CurrentRequest.State = HTTPRequestStates.Error;
proposedConnectionState = HTTPConnectionStates.Closed;
}
}
this.conn.CurrentRequest = null;
if (proposedConnectionState == HTTPConnectionStates.Processing)
{
proposedConnectionState = HTTPConnectionStates.Recycle;
}
ConnectionEventHelper.EnqueueConnectionEvent(new ConnectionEventInfo(this.conn, proposedConnectionState));
}
}
}
private void ThreadFunc(object param)
{
bool flag = false;
bool flag2 = false;
HTTPConnection.RetryCauses retryCauses = HTTPConnection.RetryCauses.None;
try
{
if (!this.HasProxy && this.CurrentRequest.HasProxy)
{
this.Proxy = this.CurrentRequest.Proxy;
}
if (!this.TryLoadAllFromCache())
{
if (this.Client != null && !this.Client.IsConnected())
{
this.Close();
}
while (true)
{
if (retryCauses == HTTPConnection.RetryCauses.Reconnect)
{
this.Close();
Thread.Sleep(100);
}
this.LastProcessedUri = this.CurrentRequest.CurrentUri;
retryCauses = HTTPConnection.RetryCauses.None;
this.Connect();
if (this.State == HTTPConnectionStates.AbortRequested)
{
break;
}
if (!this.CurrentRequest.DisableCache)
{
HTTPCacheService.SetHeaders(this.CurrentRequest);
}
bool flag3 = this.CurrentRequest.SendOutTo(this.Stream);
if (!flag3)
{
this.Close();
if (this.State == HTTPConnectionStates.TimedOut)
{
goto Block_13;
}
if (!flag)
{
flag = true;
retryCauses = HTTPConnection.RetryCauses.Reconnect;
}
}
if (flag3)
{
bool flag4 = this.Receive();
if (this.State == HTTPConnectionStates.TimedOut)
{
goto Block_16;
}
if (!flag4 && !flag)
{
flag = true;
retryCauses = HTTPConnection.RetryCauses.Reconnect;
}
if (this.CurrentRequest.Response != null)
{
int statusCode = this.CurrentRequest.Response.StatusCode;
switch (statusCode)
{
case 301:
case 302:
case 307:
case 308:
{
if (this.CurrentRequest.RedirectCount >= this.CurrentRequest.MaxRedirects)
{
goto IL_3F7;
}
this.CurrentRequest.RedirectCount++;
string firstHeaderValue = this.CurrentRequest.Response.GetFirstHeaderValue("location");
if (string.IsNullOrEmpty(firstHeaderValue))
{
goto IL_3C9;
}
Uri redirectUri = this.GetRedirectUri(firstHeaderValue);
if (!this.CurrentRequest.CallOnBeforeRedirection(redirectUri))
{
HTTPManager.Logger.Information("HTTPConnection", "OnBeforeRedirection returned False");
goto IL_3F7;
}
this.CurrentRequest.RemoveHeader("Host");
this.CurrentRequest.SetHeader("Referer", this.CurrentRequest.CurrentUri.ToString());
this.CurrentRequest.RedirectUri = redirectUri;
this.CurrentRequest.Response = null;
bool flag5 = true;
this.CurrentRequest.IsRedirected = flag5;
flag2 = flag5;
goto IL_3F7;
}
case 303:
case 304:
case 305:
case 306:
IL_186:
if (statusCode == 401)
{
string firstHeaderValue2 = this.CurrentRequest.Response.GetFirstHeaderValue("www-authenticate");
if (!string.IsNullOrEmpty(firstHeaderValue2))
{
Digest orCreate = DigestStore.GetOrCreate(this.CurrentRequest.CurrentUri);
orCreate.ParseChallange(firstHeaderValue2);
if (this.CurrentRequest.Credentials != null && orCreate.IsUriProtected(this.CurrentRequest.CurrentUri) && (!this.CurrentRequest.HasHeader("Authorization") || orCreate.Stale))
{
retryCauses = HTTPConnection.RetryCauses.Authenticate;
}
}
goto IL_3F7;
}
if (statusCode != 407)
{
goto IL_3F7;
}
if (this.CurrentRequest.HasProxy)
{
string firstHeaderValue3 = this.CurrentRequest.Response.GetFirstHeaderValue("proxy-authenticate");
if (!string.IsNullOrEmpty(firstHeaderValue3))
{
Digest orCreate2 = DigestStore.GetOrCreate(this.CurrentRequest.Proxy.Address);
orCreate2.ParseChallange(firstHeaderValue3);
if (this.CurrentRequest.Proxy.Credentials != null && orCreate2.IsUriProtected(this.CurrentRequest.Proxy.Address) && (!this.CurrentRequest.HasHeader("Proxy-Authorization") || orCreate2.Stale))
{
retryCauses = HTTPConnection.RetryCauses.ProxyAuthenticate;
}
}
}
goto IL_3F7;
}
goto IL_186;
IL_3F7:
if (this.CurrentRequest.IsCookiesEnabled)
{
CookieJar.Set(this.CurrentRequest.Response);
}
this.TryStoreInCache();
if (this.CurrentRequest.Response == null || this.CurrentRequest.Response.HasHeaderWithValue("connection", "close") || this.CurrentRequest.UseAlternateSSL)
{
this.Close();
}
}
}
if (retryCauses == HTTPConnection.RetryCauses.None)
{
goto Block_37;
}
}
throw new Exception("AbortRequested");
Block_13:
throw new Exception("AbortRequested");
Block_16:
throw new Exception("AbortRequested");
IL_3C9:
throw new MissingFieldException(string.Format("Got redirect status({0}) without 'location' header!", this.CurrentRequest.Response.StatusCode.ToString()));
Block_37 :;
}
}
catch (TimeoutException exception)
{
this.CurrentRequest.Response = null;
this.CurrentRequest.Exception = exception;
this.CurrentRequest.State = HTTPRequestStates.ConnectionTimedOut;
this.Close();
}
catch (Exception exception2)
{
if (this.CurrentRequest != null)
{
if (this.CurrentRequest.UseStreaming)
{
HTTPCacheService.DeleteEntity(this.CurrentRequest.CurrentUri, true);
}
this.CurrentRequest.Response = null;
HTTPConnectionStates state = this.State;
if (state != HTTPConnectionStates.AbortRequested)
{
if (state != HTTPConnectionStates.TimedOut)
{
this.CurrentRequest.Exception = exception2;
this.CurrentRequest.State = HTTPRequestStates.Error;
}
else
{
this.CurrentRequest.State = HTTPRequestStates.TimedOut;
}
}
else
{
this.CurrentRequest.State = HTTPRequestStates.Aborted;
}
}
this.Close();
}
finally
{
if (this.CurrentRequest != null)
{
object locker = HTTPManager.Locker;
lock (locker)
{
if (this.CurrentRequest != null && this.CurrentRequest.Response != null && this.CurrentRequest.Response.IsUpgraded)
{
this.State = HTTPConnectionStates.Upgraded;
}
else
{
this.State = ((!flag2) ? ((this.Client != null) ? HTTPConnectionStates.WaitForRecycle : HTTPConnectionStates.Closed) : HTTPConnectionStates.Redirected);
}
if (this.CurrentRequest.State == HTTPRequestStates.Processing && (this.State == HTTPConnectionStates.Closed || this.State == HTTPConnectionStates.WaitForRecycle))
{
this.CurrentRequest.State = HTTPRequestStates.Finished;
}
if (this.CurrentRequest.State == HTTPRequestStates.ConnectionTimedOut)
{
this.State = HTTPConnectionStates.Closed;
}
this.LastProcessTime = DateTime.UtcNow;
}
HTTPCacheService.SaveLibrary();
CookieJar.Persist();
}
}
}
// Token: 0x0600512E RID: 20782 RVA: 0x001BB51C File Offset: 0x001B991C
private IEnumerator DownloadAndLoadRemotePluginCoroutine(AssetBundleDownload download)
{
if (Player.Instance != null && Player.Instance.isInternal)
{
Debug.Log(string.Concat(new object[]
{
"[",
download.downloadId,
"] Requires plugin. About to download ",
download.pluginUrl
}));
}
if (!PluginManager.IsAllowedUrl(download.pluginUrl))
{
yield break;
}
HTTPRequest pluginReq = null;
try
{
pluginReq = new HTTPRequest(new Uri(download.pluginUrl), null);
}
catch (Exception ex)
{
download.OnDownloadError("Bad plugin url: " + ex.Message, LoadErrorReason.InvalidURL);
yield break;
}
if (download.forceRefreshCache)
{
HTTPCacheService.DeleteEntity(pluginReq.CurrentUri, true);
}
pluginReq.OnProgress = new OnDownloadProgressDelegate(download.OnDownloadProgress);
pluginReq.Send();
yield return(base.StartCoroutine(pluginReq));
VRC.Network.ValidateCompletedHTTPRequest(pluginReq, delegate(HTTPResponse response)
{
if (!this.CheckForCancellation(download))
{
VRC.Core.Logger.Log("[" + download.downloadId + "] Downloaded and loading plugin...", DebugLevel.AssetBundleDownloadManager);
try
{
PluginManager.Instance.Load(download.pluginUrl, pluginReq.Response.Data);
}
catch (Exception ex2)
{
download.OnPluginLoadError(ex2.Message);
}
}
}, delegate(string errorStr)
{
string text = "Failed to download plugin from " + download.pluginUrl + " - " + errorStr;
VRC.Core.Logger.LogError(string.Concat(new object[]
{
"[",
download.downloadId,
"] ",
text
}), DebugLevel.AssetBundleDownloadManager);
download.OnDownloadError(text, LoadErrorReason.ConnectionError);
});
yield break;
}
void OnResponse(int httpStatus, byte[] buffer, int bufferLength)
{
HTTPConnectionStates proposedConnectionState = HTTPConnectionStates.Processing;
bool resendRequest = false;
try
{
if (this.CurrentRequest.IsCancellationRequested)
{
return;
}
using (var ms = new BufferPoolMemoryStream())
{
Stream = ms;
XHR_GetStatusLine(NativeId, OnBufferCallback);
XHR_GetResponseHeaders(NativeId, OnBufferCallback);
if (buffer != null && bufferLength > 0)
{
ms.Write(buffer, 0, bufferLength);
}
ms.Seek(0L, SeekOrigin.Begin);
var internalBuffer = ms.GetBuffer();
string tmp = System.Text.Encoding.UTF8.GetString(internalBuffer);
HTTPManager.Logger.Information(this.NativeId + " OnResponse - full response ", tmp, this.Context);
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 && bufferLength > 0 ? (int)bufferLength : -1, true);
KeepAliveHeader keepAlive = null;
ConnectionHelper.HandleResponse(this.ToString(), this.CurrentRequest, out resendRequest, out proposedConnectionState, ref keepAlive);
}
}
catch (Exception e)
{
HTTPManager.Logger.Exception(this.NativeId + " WebGLConnection", "OnResponse", e, this.Context);
if (this.ShutdownType == ShutdownTypes.Immediate)
{
return;
}
#if !BESTHTTP_DISABLE_CACHING
if (this.CurrentRequest.UseStreaming)
{
HTTPCacheService.DeleteEntity(this.CurrentRequest.CurrentUri);
}
#endif
// Something gone bad, Response must be null!
this.CurrentRequest.Response = null;
if (!this.CurrentRequest.IsCancellationRequested)
{
this.CurrentRequest.Exception = e;
this.CurrentRequest.State = HTTPRequestStates.Error;
}
proposedConnectionState = HTTPConnectionStates.Closed;
}
finally
{
// Exit ASAP
if (this.ShutdownType != ShutdownTypes.Immediate)
{
if (this.CurrentRequest.IsCancellationRequested)
{
// we don't know what stage the request is cancelled, we can't safely reuse the tcp channel.
proposedConnectionState = HTTPConnectionStates.Closed;
this.CurrentRequest.Response = null;
this.CurrentRequest.State = this.CurrentRequest.IsTimedOut ? HTTPRequestStates.TimedOut : HTTPRequestStates.Aborted;
}
else if (resendRequest)
{
RequestEventHelper.EnqueueRequestEvent(new RequestEventInfo(this.CurrentRequest, RequestEvents.Resend));
}
else if (this.CurrentRequest.Response != null && this.CurrentRequest.Response.IsUpgraded)
{
proposedConnectionState = HTTPConnectionStates.WaitForProtocolShutdown;
}
else if (this.CurrentRequest.State == HTTPRequestStates.Processing)
{
if (this.CurrentRequest.Response != null)
{
this.CurrentRequest.State = HTTPRequestStates.Finished;
}
else
{
this.CurrentRequest.Exception = new Exception(string.Format("[{0}] Remote server closed the connection before sending response header! Previous request state: {1}. Connection state: {2}",
this.ToString(),
this.CurrentRequest.State.ToString(),
this.State.ToString()));
this.CurrentRequest.State = HTTPRequestStates.Error;
proposedConnectionState = HTTPConnectionStates.Closed;
}
}
this.CurrentRequest = null;
if (proposedConnectionState == HTTPConnectionStates.Processing)
{
proposedConnectionState = HTTPConnectionStates.Closed;
}
ConnectionEventHelper.EnqueueConnectionEvent(new ConnectionEventInfo(this, proposedConnectionState));
}
}
}
public void RunHandler()
{
HTTPManager.Logger.Information("HTTP1Handler", string.Format("[{0}] started processing request '{1}'", this, this.conn.CurrentRequest.CurrentUri.ToString()), this.Context, this.conn.CurrentRequest.Context);
System.Threading.Thread.CurrentThread.Name = "BestHTTP.HTTP1 R&W";
HTTPConnectionStates proposedConnectionState = HTTPConnectionStates.Processing;
bool resendRequest = false;
try
{
if (this.conn.CurrentRequest.IsCancellationRequested)
{
return;
}
#if !BESTHTTP_DISABLE_CACHING
// Setup cache control headers before we send out the request
if (!this.conn.CurrentRequest.DisableCache)
{
HTTPCacheService.SetHeaders(this.conn.CurrentRequest);
}
#endif
// Write the request to the stream
this.conn.CurrentRequest.QueuedAt = DateTime.MinValue;
this.conn.CurrentRequest.ProcessingStarted = DateTime.UtcNow;
this.conn.CurrentRequest.SendOutTo(this.conn.connector.Stream);
this.conn.CurrentRequest.Timing.Add(TimingEventNames.Request_Sent);
if (this.conn.CurrentRequest.IsCancellationRequested)
{
return;
}
this.conn.CurrentRequest.OnCancellationRequested += OnCancellationRequested;
// Receive response from the server
bool received = Receive(this.conn.CurrentRequest);
this.conn.CurrentRequest.Timing.Add(TimingEventNames.Response_Received);
if (this.conn.CurrentRequest.IsCancellationRequested)
{
return;
}
if (!received && this.conn.CurrentRequest.Retries < this.conn.CurrentRequest.MaxRetries)
{
proposedConnectionState = HTTPConnectionStates.Closed;
this.conn.CurrentRequest.Retries++;
resendRequest = true;
return;
}
ConnectionHelper.HandleResponse(this.conn.ToString(), this.conn.CurrentRequest, out resendRequest, out proposedConnectionState, ref this._keepAlive, this.conn.Context, this.conn.CurrentRequest.Context);
}
catch (TimeoutException e)
{
this.conn.CurrentRequest.Response = null;
// Do nothing here if Abort() got called on the request, its State is already set.
if (!this.conn.CurrentRequest.IsTimedOut)
{
// We will try again only once
if (this.conn.CurrentRequest.Retries < this.conn.CurrentRequest.MaxRetries)
{
this.conn.CurrentRequest.Retries++;
resendRequest = true;
}
else
{
this.conn.CurrentRequest.Exception = e;
this.conn.CurrentRequest.State = HTTPRequestStates.ConnectionTimedOut;
}
}
proposedConnectionState = HTTPConnectionStates.Closed;
}
catch (Exception e)
{
if (this.ShutdownType == ShutdownTypes.Immediate)
{
return;
}
string exceptionMessage = string.Empty;
if (e == null)
{
exceptionMessage = "null";
}
else
{
System.Text.StringBuilder sb = new System.Text.StringBuilder();
Exception exception = e;
int counter = 1;
while (exception != null)
{
sb.AppendFormat("{0}: {1} {2}", counter++.ToString(), exception.Message, exception.StackTrace);
exception = exception.InnerException;
if (exception != null)
{
sb.AppendLine();
}
}
exceptionMessage = sb.ToString();
}
HTTPManager.Logger.Verbose("HTTP1Handler", exceptionMessage, this.Context, this.conn.CurrentRequest.Context);
#if !BESTHTTP_DISABLE_CACHING
if (this.conn.CurrentRequest.UseStreaming)
{
HTTPCacheService.DeleteEntity(this.conn.CurrentRequest.CurrentUri);
}
#endif
// Something gone bad, Response must be null!
this.conn.CurrentRequest.Response = null;
// Do nothing here if Abort() got called on the request, its State is already set.
if (!this.conn.CurrentRequest.IsCancellationRequested)
{
this.conn.CurrentRequest.Exception = e;
this.conn.CurrentRequest.State = HTTPRequestStates.Error;
}
proposedConnectionState = HTTPConnectionStates.Closed;
}
finally
{
this.conn.CurrentRequest.OnCancellationRequested -= OnCancellationRequested;
// Exit ASAP
if (this.ShutdownType != ShutdownTypes.Immediate)
{
if (this.conn.CurrentRequest.IsCancellationRequested)
{
// we don't know what stage the request is canceled, we can't safely reuse the tcp channel.
proposedConnectionState = HTTPConnectionStates.Closed;
this.conn.CurrentRequest.Response = null;
// The request's State already set, or going to be set soon in RequestEvents.cs.
//this.conn.CurrentRequest.State = this.conn.CurrentRequest.IsTimedOut ? HTTPRequestStates.TimedOut : HTTPRequestStates.Aborted;
}
else if (resendRequest)
{
// Here introducing a ClosedResendRequest connection state, where we have to process the connection's state change to Closed
// than we have to resend the request.
// If we would send the Resend request here, than a few lines below the Closed connection state change,
// request events are processed before connection events (just switching the EnqueueRequestEvent and EnqueueConnectionEvent wouldn't work
// see order of ProcessQueues in HTTPManager.OnUpdate!) and it would pick this very same closing/closed connection!
if (proposedConnectionState == HTTPConnectionStates.Closed)
{
ConnectionEventHelper.EnqueueConnectionEvent(new ConnectionEventInfo(this.conn, this.conn.CurrentRequest));
}
else
{
RequestEventHelper.EnqueueRequestEvent(new RequestEventInfo(this.conn.CurrentRequest, RequestEvents.Resend));
}
}
else if (this.conn.CurrentRequest.Response != null && this.conn.CurrentRequest.Response.IsUpgraded)
{
proposedConnectionState = HTTPConnectionStates.WaitForProtocolShutdown;
}
else if (this.conn.CurrentRequest.State == HTTPRequestStates.Processing)
{
if (this.conn.CurrentRequest.Response != null)
{
this.conn.CurrentRequest.State = HTTPRequestStates.Finished;
}
else
{
this.conn.CurrentRequest.Exception = new Exception(string.Format("[{0}] Remote server closed the connection before sending response header! Previous request state: {1}. Connection state: {2}",
this.ToString(),
this.conn.CurrentRequest.State.ToString(),
this.conn.State.ToString()));
this.conn.CurrentRequest.State = HTTPRequestStates.Error;
proposedConnectionState = HTTPConnectionStates.Closed;
}
}
this.conn.CurrentRequest = null;
if (proposedConnectionState == HTTPConnectionStates.Processing)
{
proposedConnectionState = HTTPConnectionStates.Recycle;
}
if (proposedConnectionState != HTTPConnectionStates.ClosedResendRequest)
{
ConnectionEventHelper.EnqueueConnectionEvent(new ConnectionEventInfo(this.conn, proposedConnectionState));
}
}
}
}
public void RunHandler()
{
HTTPManager.Logger.Information("HTTP1Handler", string.Format("[{0}] started processing request '{1}'", this, this.conn.CurrentRequest.CurrentUri.ToString()));
HTTPConnectionStates proposedConnectionState = HTTPConnectionStates.Processing;
bool resendRequest = false;
try
{
if (this.conn.CurrentRequest.IsCancellationRequested)
{
return;
}
#if !BESTHTTP_DISABLE_CACHING
// Try load the full response from an already saved cache entity.
// If the response could be loaded completely, we can skip connecting (if not already) and a full round-trip time to the server.
if (HTTPCacheService.IsCachedEntityExpiresInTheFuture(this.conn.CurrentRequest) && ConnectionHelper.TryLoadAllFromCache(this.ToString(), this.conn.CurrentRequest))
{
HTTPManager.Logger.Information("HTTP1Handler", string.Format("[{0}] Request could be fully loaded from cache! '{1}'", this, this.conn.CurrentRequest.CurrentUri.ToString()));
return;
}
#endif
if (this.conn.CurrentRequest.IsCancellationRequested)
{
return;
}
#if !BESTHTTP_DISABLE_CACHING
// Setup cache control headers before we send out the request
if (!this.conn.CurrentRequest.DisableCache)
{
HTTPCacheService.SetHeaders(this.conn.CurrentRequest);
}
#endif
// Write the request to the stream
this.conn.CurrentRequest.SendOutTo(this.conn.connector.Stream);
if (this.conn.CurrentRequest.IsCancellationRequested)
{
return;
}
// Receive response from the server
bool received = Receive(this.conn.CurrentRequest);
if (this.conn.CurrentRequest.IsCancellationRequested)
{
return;
}
if (!received && this.conn.CurrentRequest.Retries < this.conn.CurrentRequest.MaxRetries)
{
proposedConnectionState = HTTPConnectionStates.Closed;
this.conn.CurrentRequest.Retries++;
resendRequest = true;
return;
}
ConnectionHelper.HandleResponse(this.conn.ToString(), this.conn.CurrentRequest, out resendRequest, out proposedConnectionState, ref this._keepAlive);
}
catch (TimeoutException e)
{
this.conn.CurrentRequest.Response = null;
// We will try again only once
if (this.conn.CurrentRequest.Retries < this.conn.CurrentRequest.MaxRetries)
{
this.conn.CurrentRequest.Retries++;
resendRequest = true;
}
else
{
this.conn.CurrentRequest.Exception = e;
this.conn.CurrentRequest.State = HTTPRequestStates.ConnectionTimedOut;
}
proposedConnectionState = HTTPConnectionStates.Closed;
}
catch (Exception e)
{
if (this.ShutdownType == ShutdownTypes.Immediate)
{
return;
}
#if !BESTHTTP_DISABLE_CACHING
if (this.conn.CurrentRequest.UseStreaming)
{
HTTPCacheService.DeleteEntity(this.conn.CurrentRequest.CurrentUri);
}
#endif
// Something gone bad, Response must be null!
this.conn.CurrentRequest.Response = null;
if (!this.conn.CurrentRequest.IsCancellationRequested)
{
this.conn.CurrentRequest.Exception = e;
this.conn.CurrentRequest.State = HTTPRequestStates.Error;
}
proposedConnectionState = HTTPConnectionStates.Closed;
}
finally
{
// Exit ASAP
if (this.ShutdownType != ShutdownTypes.Immediate)
{
if (this.conn.CurrentRequest.IsCancellationRequested)
{
// we don't know what stage the request is cancelled, we can't safely reuse the tcp channel.
proposedConnectionState = HTTPConnectionStates.Closed;
this.conn.CurrentRequest.Response = null;
this.conn.CurrentRequest.State = this.conn.CurrentRequest.IsTimedOut ? HTTPRequestStates.TimedOut : HTTPRequestStates.Aborted;
}
else if (resendRequest)
{
RequestEventHelper.EnqueueRequestEvent(new RequestEventInfo(this.conn.CurrentRequest, RequestEvents.Resend));
}
else if (this.conn.CurrentRequest.Response != null && this.conn.CurrentRequest.Response.IsUpgraded)
{
proposedConnectionState = HTTPConnectionStates.WaitForProtocolShutdown;
}
else if (this.conn.CurrentRequest.State == HTTPRequestStates.Processing)
{
if (this.conn.CurrentRequest.Response != null)
{
this.conn.CurrentRequest.State = HTTPRequestStates.Finished;
}
else
{
this.conn.CurrentRequest.Exception = new Exception(string.Format("[{0}] Remote server closed the connection before sending response header! Previous request state: {1}. Connection state: {2}",
this.ToString(),
this.conn.CurrentRequest.State.ToString(),
this.conn.State.ToString()));
this.conn.CurrentRequest.State = HTTPRequestStates.Error;
proposedConnectionState = HTTPConnectionStates.Closed;
}
}
this.conn.CurrentRequest = null;
if (proposedConnectionState == HTTPConnectionStates.Processing)
{
proposedConnectionState = HTTPConnectionStates.Recycle;
}
ConnectionEventHelper.EnqueueConnectionEvent(new ConnectionEventInfo(this.conn, proposedConnectionState));
}
}
}
void OnGUI()
{
GUI.Label(new Rect(5, 5, Screen.width - 10, 30), string.Format("Cache size: {0,10:N0} Entity Count: {1}", HTTPCacheService.GetCacheSize(), HTTPCacheService.GetCacheEntityCount()));
float height = (Screen.height - 300) / TestScenes.Length;
if (GUI.Button(new Rect(5, 40, Screen.width, height), "Clear Cache"))
{
BestHTTP.Caching.HTTPCacheService.BeginClear();
}
for (int i = 0; i < TestScenes.Length; ++i)
{
if (GUI.Button(new Rect(3, 300 + (i * height), Screen.width - 6, height), TestScenes[i]))
{
Application.LoadLevel(TestScenes[i]);
}
}
}
public static void Setup()
{
HTTPUpdateDelegator.CheckInstance();
HTTPCacheService.CheckSetup();
Cookies.CookieJar.SetupFolder();
}
void ThreadFunc(object param)
{
bool alreadyReconnected = false;
bool redirected = false;
RetryCauses cause = RetryCauses.None;
#if LOCK_ON_FILE
object uriLock = null;
#endif
#if UNITY_WEBPLAYER
// Right now, no caching supported in the webplayer
if (!CurrentRequest.DisableCache)
{
CurrentRequest.DisableCache = true;
}
#endif
try
{
if (!HasProxy && CurrentRequest.HasProxy)
{
Proxy = CurrentRequest.Proxy;
}
// Lock only if we will use the cached entity.
#if LOCK_ON_FILE
if (!CurrentRequest.DisableCache)
{
Monitor.Enter(uriLock = HTTPCacheFileLock.Acquire(CurrentRequest.CurrentUri));
}
#endif
// Try load the full response from an already saved cache entity. If the response
if (TryLoadAllFromCache())
{
return;
}
if (Client != null && !Client.IsConnected())
{
Close();
}
do // of while (reconnect)
{
if (cause == RetryCauses.Reconnect)
{
Close();
#if NETFX_CORE
await Task.Delay(100);
#else
Thread.Sleep(100);
#endif
}
LastProcessedUri = CurrentRequest.CurrentUri;
cause = RetryCauses.None;
// Connect to the server
Connect();
if (State == HTTPConnectionStates.AbortRequested)
{
throw new Exception("AbortRequested");
}
// Setup cache control headers before we send out the request
if (!CurrentRequest.DisableCache)
{
HTTPCacheService.SetHeaders(CurrentRequest);
}
// Write the request to the stream
// sentRequest will be true if the request sent out successfully(no SocketException), so we can try read the response
bool sentRequest = CurrentRequest.SendOutTo(Stream);
// sentRequest only true if there are no exceptions during CurrentRequest.SendOutTo.
if (!sentRequest)
{
Close();
if (State == HTTPConnectionStates.TimedOut)
{
throw new Exception("AbortRequested");
}
// We will try again only once
if (!alreadyReconnected)
{
alreadyReconnected = true;
cause = RetryCauses.Reconnect;
}
}
// If sending out the request succeded, we will try read the response.
if (sentRequest)
{
bool received = Receive();
if (State == HTTPConnectionStates.TimedOut)
{
throw new Exception("AbortRequested");
}
if (!received && !alreadyReconnected)
{
alreadyReconnected = true;
cause = RetryCauses.Reconnect;
}
if (CurrentRequest.Response != null)
{
switch (CurrentRequest.Response.StatusCode)
{
// Not authorized
// http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.4.2
case 401:
{
string authHeader = CurrentRequest.Response.GetFirstHeaderValue("www-authenticate");
if (!string.IsNullOrEmpty(authHeader))
{
var digest = DigestStore.GetOrCreate(CurrentRequest.CurrentUri);
digest.ParseChallange(authHeader);
if (CurrentRequest.Credentials != null && digest.IsUriProtected(CurrentRequest.CurrentUri) && (!CurrentRequest.HasHeader("Authorization") || digest.Stale))
{
cause = RetryCauses.Authenticate;
}
}
goto default;
}
// Proxy authentication required
// http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.4.8
case 407:
{
if (CurrentRequest.HasProxy)
{
string authHeader = CurrentRequest.Response.GetFirstHeaderValue("proxy-authenticate");
if (!string.IsNullOrEmpty(authHeader))
{
var digest = DigestStore.GetOrCreate(CurrentRequest.Proxy.Address);
digest.ParseChallange(authHeader);
if (CurrentRequest.Proxy.Credentials != null && digest.IsUriProtected(CurrentRequest.Proxy.Address) && (!CurrentRequest.HasHeader("Proxy-Authorization") || digest.Stale))
{
cause = RetryCauses.ProxyAuthenticate;
}
}
}
goto default;
}
// Redirected
case 301: // http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.3.2
case 302: // http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.3.3
case 307: // http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.3.8
case 308: // http://tools.ietf.org/html/rfc7238
{
if (CurrentRequest.RedirectCount >= CurrentRequest.MaxRedirects)
{
goto default;
}
CurrentRequest.RedirectCount++;
string location = CurrentRequest.Response.GetFirstHeaderValue("location");
if (!string.IsNullOrEmpty(location))
{
Uri redirectUri = GetRedirectUri(location);
// Let the user to take some control over the redirection
if (!CurrentRequest.CallOnBeforeRedirection(redirectUri))
{
HTTPManager.Logger.Information("HTTPConnection", "OnBeforeRedirection returned False");
goto default;
}
// Remove the previously set Host header.
CurrentRequest.RemoveHeader("Host");
// Set the Referer header to the last Uri.
CurrentRequest.SetHeader("Referer", CurrentRequest.CurrentUri.ToString());
// Set the new Uri, the CurrentUri will return this while the IsRedirected property is true
CurrentRequest.RedirectUri = redirectUri;
// Discard the redirect response, we don't need it any more
CurrentRequest.Response = null;
redirected = CurrentRequest.IsRedirected = true;
}
else
#if !NETFX_CORE
{ throw new MissingFieldException(string.Format("Got redirect status({0}) without 'location' header!", CurrentRequest.Response.StatusCode.ToString())); }
#else
{ throw new Exception(string.Format("Got redirect status({0}) without 'location' header!", CurrentRequest.Response.StatusCode.ToString())); }
#endif
goto default;
}
default:
if (CurrentRequest.IsCookiesEnabled)
{
CookieJar.Set(CurrentRequest.Response);
}
TryStoreInCache();
break;
}
// If we have a response and the server telling us that it closed the connection after the message sent to us, then
// we will colse the connection too.
if (CurrentRequest.Response == null ||
CurrentRequest.Response.HasHeaderWithValue("connection", "close") ||
CurrentRequest.UseAlternateSSL)
{
Close();
}
}
}
} while (cause != RetryCauses.None);
}
catch (TimeoutException e)
{
CurrentRequest.Response = null;
CurrentRequest.Exception = e;
CurrentRequest.State = HTTPRequestStates.ConnectionTimedOut;
Close();
}
catch (Exception e)
{
if (CurrentRequest.UseStreaming)
{
HTTPCacheService.DeleteEntity(CurrentRequest.CurrentUri);
}
// 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;
}
Close();
}
finally
{
#if LOCK_ON_FILE
if (!CurrentRequest.DisableCache && uriLock != null)
{
Monitor.Exit(uriLock);
}
#endif
// Avoid state changes. While we are in this block changing the connection's State, on Unity's main thread
// the HTTPManager's OnUpdate will check the connections's State and call functions that can change the inner state of
// the object. (Like setting the CurrentRequest to null in function Recycle() causing a NullRef exception)
lock (HTTPManager.Locker)
{
if (CurrentRequest != null && CurrentRequest.Response != null && CurrentRequest.Response.IsUpgraded)
{
State = HTTPConnectionStates.Upgraded;
}
else
{
State = redirected ? HTTPConnectionStates.Redirected : (Client == null ? HTTPConnectionStates.Closed : HTTPConnectionStates.WaitForRecycle);
}
// Change the request's state only when the whole processing finished
if (CurrentRequest.State == HTTPRequestStates.Processing && (State == HTTPConnectionStates.Closed || State == HTTPConnectionStates.WaitForRecycle))
{
CurrentRequest.State = HTTPRequestStates.Finished;
}
if (CurrentRequest.State == HTTPRequestStates.ConnectionTimedOut)
{
State = HTTPConnectionStates.Closed;
}
LastProcessTime = DateTime.UtcNow;
}
HTTPCacheService.SaveLibrary();
CookieJar.Persist();
}
}
protected void BeginReceiveStreamFragments()
{
if (!baseRequest.DisableCache && baseRequest.UseStreaming && !IsFromCache && HTTPCacheService.IsCacheble(baseRequest.CurrentUri, baseRequest.MethodType, this))
{
cacheStream = HTTPCacheService.PrepareStreamed(baseRequest.CurrentUri, this);
}
allFragmentSize = 0;
}
