1 files changed, 193 insertions, 0 deletions
diff --git a/dom/flyweb/HttpServer.h b/dom/flyweb/HttpServer.h
new file mode 100644
index 000000000..dab601c24
--- /dev/null
+++ b/dom/flyweb/HttpServer.h
@@ -0,0 +1,193 @@
+/* -*- 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