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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef mozilla_dom_HttpServer_h
#define mozilla_dom_HttpServer_h
#include "nsISupportsImpl.h"
#include "mozilla/DOMEventTargetHelper.h"
#include "nsITLSServerSocket.h"
#include "nsIAsyncInputStream.h"
#include "nsIAsyncOutputStream.h"
#include "mozilla/Variant.h"
#include "nsIRequestObserver.h"
#include "mozilla/MozPromise.h"
#include "nsITransportProvider.h"
#include "nsILocalCertService.h"
class nsIX509Cert;
namespace mozilla {
namespace dom {
extern bool
ContainsToken(const nsCString& aList, const nsCString& aToken);
class InternalRequest;
class InternalResponse;
class HttpServerListener
{
public:
// switch to NS_INLINE_DECL_PURE_VIRTUAL_REFCOUNTING when that lands
NS_IMETHOD_(MozExternalRefCountType) AddRef(void) = 0;
NS_IMETHOD_(MozExternalRefCountType) Release(void) = 0;
virtual void OnServerStarted(nsresult aStatus) = 0;
virtual void OnRequest(InternalRequest* aRequest) = 0;
virtual void OnWebSocket(InternalRequest* aConnectRequest) = 0;
virtual void OnServerClose() = 0;
};
class HttpServer final : public nsIServerSocketListener,
public nsILocalCertGetCallback
{
public:
HttpServer();
NS_DECL_ISUPPORTS
NS_DECL_NSISERVERSOCKETLISTENER
NS_DECL_NSILOCALCERTGETCALLBACK
void Init(int32_t aPort, bool aHttps, HttpServerListener* aListener);
void SendResponse(InternalRequest* aRequest, InternalResponse* aResponse);
already_AddRefed<nsITransportProvider>
AcceptWebSocket(InternalRequest* aConnectRequest,
const Optional<nsAString>& aProtocol,
ErrorResult& aRv);
void SendWebSocketResponse(InternalRequest* aConnectRequest,
InternalResponse* aResponse);
void Close();
void GetCertKey(nsACString& aKey);
int32_t GetPort()
{
return mPort;
}
private:
~HttpServer();
nsresult StartServerSocket(nsIX509Cert* aCert);
void NotifyStarted(nsresult aStatus);
class TransportProvider final : public nsITransportProvider
{
public:
NS_DECL_ISUPPORTS
NS_DECL_NSITRANSPORTPROVIDER
void SetTransport(nsISocketTransport* aTransport,
nsIAsyncInputStream* aInput,
nsIAsyncOutputStream* aOutput);
private:
virtual ~TransportProvider();
void MaybeNotify();
nsCOMPtr<nsIHttpUpgradeListener> mListener;
nsCOMPtr<nsISocketTransport> mTransport;
nsCOMPtr<nsIAsyncInputStream> mInput;
nsCOMPtr<nsIAsyncOutputStream> mOutput;
};
class Connection final : public nsIInputStreamCallback
, public nsIOutputStreamCallback
, public nsITLSServerSecurityObserver
{
public:
Connection(nsISocketTransport* aTransport,
HttpServer* aServer,
nsresult& rv);
NS_DECL_ISUPPORTS
NS_DECL_NSIINPUTSTREAMCALLBACK
NS_DECL_NSIOUTPUTSTREAMCALLBACK
NS_DECL_NSITLSSERVERSECURITYOBSERVER
bool TryHandleResponse(InternalRequest* aRequest,
InternalResponse* aResponse);
already_AddRefed<nsITransportProvider>
HandleAcceptWebSocket(const Optional<nsAString>& aProtocol,
ErrorResult& aRv);
void HandleWebSocketResponse(InternalResponse* aResponse);
bool HasPendingWebSocketRequest(InternalRequest* aRequest)
{
return aRequest == mPendingWebSocketRequest;
}
void Close();
private:
~Connection();
void SetSecurityObserver(bool aListen);
static nsresult ReadSegmentsFunc(nsIInputStream* aIn,
void* aClosure,
const char* aBuffer,
uint32_t aToOffset,
uint32_t aCount,
uint32_t* aWriteCount);
nsresult ConsumeInput(const char*& aBuffer,
const char* aEnd);
nsresult ConsumeLine(const char* aBuffer,
size_t aLength);
void MaybeAddPendingHeader();
void QueueResponse(InternalResponse* aResponse);
RefPtr<HttpServer> mServer;
nsCOMPtr<nsISocketTransport> mTransport;
nsCOMPtr<nsIAsyncInputStream> mInput;
nsCOMPtr<nsIAsyncOutputStream> mOutput;
enum { eRequestLine, eHeaders, eBody, ePause } mState;
RefPtr<InternalRequest> mPendingReq;
uint32_t mPendingReqVersion;
nsCString mInputBuffer;
nsCString mPendingHeaderName;
nsCString mPendingHeaderValue;
uint32_t mRemainingBodySize;
nsCOMPtr<nsIAsyncOutputStream> mCurrentRequestBody;
bool mCloseAfterRequest;
typedef Pair<RefPtr<InternalRequest>,
RefPtr<InternalResponse>> PendingRequest;
nsTArray<PendingRequest> mPendingRequests;
RefPtr<MozPromise<nsresult, bool, false>> mOutputCopy;
RefPtr<InternalRequest> mPendingWebSocketRequest;
RefPtr<TransportProvider> mWebSocketTransportProvider;
struct OutputBuffer {
nsCString mString;
nsCOMPtr<nsIInputStream> mStream;
bool mChunked;
};
nsTArray<OutputBuffer> mOutputBuffers;
};
friend class Connection;
RefPtr<HttpServerListener> mListener;
nsCOMPtr<nsIServerSocket> mServerSocket;
nsCOMPtr<nsIX509Cert> mCert;
nsTArray<RefPtr<Connection>> mConnections;
int32_t mPort;
bool mHttps;
};
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_HttpServer_h
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