forked from mirrors/gecko-dev
		
	 fa06a45b28
			
		
	
	
		fa06a45b28
		
	
	
	
	
		
			
			Before this change, the trusted URI schemes, based on a string whitelist, were: https, file, resource, app, moz-extension and wss. This change removes "app" from the list (since we don't implement it), and adds "about" to the list (because we control the delivery of that).
		
			
				
	
	
		
			399 lines
		
	
	
	
		
			11 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			399 lines
		
	
	
	
		
			11 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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| /* vim: set sw=2 ts=8 et tw=80 : */
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| /* This Source Code Form is subject to the terms of the Mozilla Public
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|  * License, v. 2.0. If a copy of the MPL was not distributed with this
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|  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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| 
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| #include "WebSocketLog.h"
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| #include "BaseWebSocketChannel.h"
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| #include "MainThreadUtils.h"
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| #include "nsILoadGroup.h"
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| #include "nsINode.h"
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| #include "nsIInterfaceRequestor.h"
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| #include "nsAutoPtr.h"
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| #include "nsProxyRelease.h"
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| #include "nsStandardURL.h"
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| #include "LoadInfo.h"
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| #include "mozilla/dom/ContentChild.h"
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| #include "nsITransportProvider.h"
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| 
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| using mozilla::dom::ContentChild;
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| 
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| namespace mozilla {
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| namespace net {
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| 
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| LazyLogModule webSocketLog("nsWebSocket");
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| static uint64_t gNextWebSocketID = 0;
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| 
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| // We use only 53 bits for the WebSocket serial ID so that it can be converted
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| // to and from a JS value without loss of precision. The upper bits of the
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| // WebSocket serial ID hold the process ID. The lower bits identify the
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| // WebSocket.
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| static const uint64_t kWebSocketIDTotalBits = 53;
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| static const uint64_t kWebSocketIDProcessBits = 22;
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| static const uint64_t kWebSocketIDWebSocketBits = kWebSocketIDTotalBits - kWebSocketIDProcessBits;
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| 
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| BaseWebSocketChannel::BaseWebSocketChannel()
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|   : mWasOpened(0)
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|   , mClientSetPingInterval(0)
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|   , mClientSetPingTimeout(0)
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|   , mEncrypted(false)
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|   , mPingForced(false)
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|   , mIsServerSide(false)
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|   , mPingInterval(0)
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|   , mPingResponseTimeout(10000)
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| {
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|   // Generation of a unique serial ID.
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|   uint64_t processID = 0;
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|   if (XRE_IsContentProcess()) {
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|     ContentChild* cc = ContentChild::GetSingleton();
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|     processID = cc->GetID();
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|   }
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| 
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|   uint64_t processBits = processID & ((uint64_t(1) << kWebSocketIDProcessBits) - 1);
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| 
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|   // Make sure no actual webSocket ends up with mWebSocketID == 0 but less then
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|   // what the kWebSocketIDProcessBits allows.
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|   if (++gNextWebSocketID >= (uint64_t(1) << kWebSocketIDWebSocketBits)) {
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|     gNextWebSocketID = 1;
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|   }
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| 
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|   uint64_t webSocketBits = gNextWebSocketID & ((uint64_t(1) << kWebSocketIDWebSocketBits) - 1);
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|   mSerial = (processBits << kWebSocketIDWebSocketBits) | webSocketBits;
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| }
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| 
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| //-----------------------------------------------------------------------------
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| // BaseWebSocketChannel::nsIWebSocketChannel
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| //-----------------------------------------------------------------------------
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| 
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| NS_IMETHODIMP
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| BaseWebSocketChannel::GetOriginalURI(nsIURI **aOriginalURI)
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| {
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|   LOG(("BaseWebSocketChannel::GetOriginalURI() %p\n", this));
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| 
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|   if (!mOriginalURI)
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|     return NS_ERROR_NOT_INITIALIZED;
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|   NS_ADDREF(*aOriginalURI = mOriginalURI);
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|   return NS_OK;
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| }
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| 
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| NS_IMETHODIMP
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| BaseWebSocketChannel::GetURI(nsIURI **aURI)
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| {
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|   LOG(("BaseWebSocketChannel::GetURI() %p\n", this));
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| 
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|   if (!mOriginalURI)
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|     return NS_ERROR_NOT_INITIALIZED;
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|   if (mURI)
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|     NS_ADDREF(*aURI = mURI);
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|   else
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|     NS_ADDREF(*aURI = mOriginalURI);
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|   return NS_OK;
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| }
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| 
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| NS_IMETHODIMP
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| BaseWebSocketChannel::
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| GetNotificationCallbacks(nsIInterfaceRequestor **aNotificationCallbacks)
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| {
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|   LOG(("BaseWebSocketChannel::GetNotificationCallbacks() %p\n", this));
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|   NS_IF_ADDREF(*aNotificationCallbacks = mCallbacks);
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|   return NS_OK;
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| }
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| 
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| NS_IMETHODIMP
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| BaseWebSocketChannel::
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| SetNotificationCallbacks(nsIInterfaceRequestor *aNotificationCallbacks)
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| {
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|   LOG(("BaseWebSocketChannel::SetNotificationCallbacks() %p\n", this));
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|   mCallbacks = aNotificationCallbacks;
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|   return NS_OK;
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| }
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| 
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| NS_IMETHODIMP
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| BaseWebSocketChannel::GetLoadGroup(nsILoadGroup **aLoadGroup)
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| {
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|   LOG(("BaseWebSocketChannel::GetLoadGroup() %p\n", this));
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|   NS_IF_ADDREF(*aLoadGroup = mLoadGroup);
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|   return NS_OK;
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| }
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| 
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| NS_IMETHODIMP
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| BaseWebSocketChannel::SetLoadGroup(nsILoadGroup *aLoadGroup)
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| {
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|   LOG(("BaseWebSocketChannel::SetLoadGroup() %p\n", this));
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|   mLoadGroup = aLoadGroup;
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|   return NS_OK;
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| }
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| 
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| NS_IMETHODIMP
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| BaseWebSocketChannel::SetLoadInfo(nsILoadInfo* aLoadInfo)
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| {
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|   mLoadInfo = aLoadInfo;
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|   return NS_OK;
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| }
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| 
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| NS_IMETHODIMP
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| BaseWebSocketChannel::GetLoadInfo(nsILoadInfo** aLoadInfo)
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| {
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|   NS_IF_ADDREF(*aLoadInfo = mLoadInfo);
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|   return NS_OK;
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| }
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| 
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| NS_IMETHODIMP
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| BaseWebSocketChannel::GetExtensions(nsACString &aExtensions)
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| {
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|   LOG(("BaseWebSocketChannel::GetExtensions() %p\n", this));
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|   aExtensions = mNegotiatedExtensions;
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|   return NS_OK;
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| }
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| 
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| NS_IMETHODIMP
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| BaseWebSocketChannel::GetProtocol(nsACString &aProtocol)
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| {
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|   LOG(("BaseWebSocketChannel::GetProtocol() %p\n", this));
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|   aProtocol = mProtocol;
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|   return NS_OK;
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| }
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| 
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| NS_IMETHODIMP
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| BaseWebSocketChannel::SetProtocol(const nsACString &aProtocol)
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| {
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|   LOG(("BaseWebSocketChannel::SetProtocol() %p\n", this));
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|   mProtocol = aProtocol;                        /* the sub protocol */
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|   return NS_OK;
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| }
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| 
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| NS_IMETHODIMP
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| BaseWebSocketChannel::GetPingInterval(uint32_t *aSeconds)
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| {
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|   // stored in ms but should only have second resolution
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|   MOZ_ASSERT(!(mPingInterval % 1000));
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| 
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|   *aSeconds = mPingInterval / 1000;
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|   return NS_OK;
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| }
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| 
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| NS_IMETHODIMP
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| BaseWebSocketChannel::SetPingInterval(uint32_t aSeconds)
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| {
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|   MOZ_ASSERT(NS_IsMainThread());
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| 
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|   if (mWasOpened) {
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|     return NS_ERROR_IN_PROGRESS;
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|   }
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| 
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|   mPingInterval = aSeconds * 1000;
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|   mClientSetPingInterval = 1;
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| 
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|   return NS_OK;
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| }
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| 
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| NS_IMETHODIMP
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| BaseWebSocketChannel::GetPingTimeout(uint32_t *aSeconds)
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| {
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|   // stored in ms but should only have second resolution
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|   MOZ_ASSERT(!(mPingResponseTimeout % 1000));
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| 
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|   *aSeconds = mPingResponseTimeout / 1000;
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|   return NS_OK;
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| }
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| 
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| NS_IMETHODIMP
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| BaseWebSocketChannel::SetPingTimeout(uint32_t aSeconds)
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| {
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|   MOZ_ASSERT(NS_IsMainThread());
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| 
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|   if (mWasOpened) {
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|     return NS_ERROR_IN_PROGRESS;
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|   }
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| 
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|   mPingResponseTimeout = aSeconds * 1000;
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|   mClientSetPingTimeout = 1;
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| 
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|   return NS_OK;
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| }
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| 
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| NS_IMETHODIMP
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| BaseWebSocketChannel::InitLoadInfo(nsINode* aLoadingNode,
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|                                    nsIPrincipal* aLoadingPrincipal,
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|                                    nsIPrincipal* aTriggeringPrincipal,
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|                                    uint32_t aSecurityFlags,
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|                                    uint32_t aContentPolicyType)
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| {
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|   mLoadInfo = new LoadInfo(aLoadingPrincipal, aTriggeringPrincipal,
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|                            aLoadingNode, aSecurityFlags, aContentPolicyType);
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|   return NS_OK;
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| }
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| 
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| NS_IMETHODIMP
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| BaseWebSocketChannel::GetSerial(uint32_t* aSerial)
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| {
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|   if (!aSerial) {
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|     return NS_ERROR_FAILURE;
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|   }
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| 
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|   *aSerial = mSerial;
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|   return NS_OK;
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| }
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| 
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| NS_IMETHODIMP
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| BaseWebSocketChannel::SetSerial(uint32_t aSerial)
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| {
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|   mSerial = aSerial;
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|   return NS_OK;
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| }
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| 
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| NS_IMETHODIMP
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| BaseWebSocketChannel::SetServerParameters(nsITransportProvider* aProvider,
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|                                           const nsACString& aNegotiatedExtensions)
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| {
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|   MOZ_ASSERT(aProvider);
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|   mServerTransportProvider = aProvider;
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|   mNegotiatedExtensions = aNegotiatedExtensions;
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|   mIsServerSide = true;
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|   return NS_OK;
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| }
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| 
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| //-----------------------------------------------------------------------------
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| // BaseWebSocketChannel::nsIProtocolHandler
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| //-----------------------------------------------------------------------------
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| 
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| 
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| NS_IMETHODIMP
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| BaseWebSocketChannel::GetScheme(nsACString &aScheme)
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| {
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|   LOG(("BaseWebSocketChannel::GetScheme() %p\n", this));
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| 
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|   if (mEncrypted)
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|     aScheme.AssignLiteral("wss");
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|   else
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|     aScheme.AssignLiteral("ws");
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|   return NS_OK;
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| }
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| 
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| NS_IMETHODIMP
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| BaseWebSocketChannel::GetDefaultPort(int32_t *aDefaultPort)
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| {
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|   LOG(("BaseWebSocketChannel::GetDefaultPort() %p\n", this));
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| 
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|   if (mEncrypted)
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|     *aDefaultPort = kDefaultWSSPort;
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|   else
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|     *aDefaultPort = kDefaultWSPort;
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|   return NS_OK;
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| }
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| 
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| NS_IMETHODIMP
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| BaseWebSocketChannel::GetProtocolFlags(uint32_t *aProtocolFlags)
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| {
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|   LOG(("BaseWebSocketChannel::GetProtocolFlags() %p\n", this));
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| 
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|   *aProtocolFlags = URI_NORELATIVE | URI_NON_PERSISTABLE | ALLOWS_PROXY |
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|       ALLOWS_PROXY_HTTP | URI_DOES_NOT_RETURN_DATA | URI_DANGEROUS_TO_LOAD;
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|   if (mEncrypted) {
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|     *aProtocolFlags |= URI_IS_POTENTIALLY_TRUSTWORTHY;
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|   }
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|   return NS_OK;
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| }
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| 
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| NS_IMETHODIMP
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| BaseWebSocketChannel::NewURI(const nsACString & aSpec, const char *aOriginCharset,
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|                              nsIURI *aBaseURI, nsIURI **_retval)
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| {
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|   LOG(("BaseWebSocketChannel::NewURI() %p\n", this));
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| 
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|   int32_t port;
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|   nsresult rv = GetDefaultPort(&port);
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|   if (NS_FAILED(rv))
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|     return rv;
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| 
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|   nsCOMPtr<nsIURI> base(aBaseURI);
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|   return NS_MutateURI(new nsStandardURL::Mutator())
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|     .Apply(NS_MutatorMethod(&nsIStandardURLMutator::Init,
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|                             nsIStandardURL::URLTYPE_AUTHORITY,
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|                             port, nsCString(aSpec), aOriginCharset,
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|                             base, nullptr))
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|     .Finalize(_retval);
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| }
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| 
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| NS_IMETHODIMP
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| BaseWebSocketChannel::NewChannel2(nsIURI* aURI,
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|                                   nsILoadInfo* aLoadInfo,
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|                                   nsIChannel** outChannel)
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| {
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|   LOG(("BaseWebSocketChannel::NewChannel2() %p\n", this));
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|   return NS_ERROR_NOT_IMPLEMENTED;
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| }
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| 
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| NS_IMETHODIMP
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| BaseWebSocketChannel::NewChannel(nsIURI *aURI, nsIChannel **_retval)
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| {
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|   LOG(("BaseWebSocketChannel::NewChannel() %p\n", this));
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|   return NS_ERROR_NOT_IMPLEMENTED;
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| }
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| 
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| NS_IMETHODIMP
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| BaseWebSocketChannel::AllowPort(int32_t port, const char *scheme,
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|                                 bool *_retval)
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| {
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|   LOG(("BaseWebSocketChannel::AllowPort() %p\n", this));
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| 
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|   // do not override any blacklisted ports
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|   *_retval = false;
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|   return NS_OK;
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| }
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| 
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| //-----------------------------------------------------------------------------
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| // BaseWebSocketChannel::nsIThreadRetargetableRequest
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| //-----------------------------------------------------------------------------
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| 
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| NS_IMETHODIMP
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| BaseWebSocketChannel::RetargetDeliveryTo(nsIEventTarget* aTargetThread)
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| {
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|   MOZ_ASSERT(NS_IsMainThread());
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|   MOZ_ASSERT(aTargetThread);
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|   MOZ_ASSERT(!mTargetThread, "Delivery target should be set once, before AsyncOpen");
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|   MOZ_ASSERT(!mWasOpened, "Should not be called after AsyncOpen!");
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| 
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|   mTargetThread = do_QueryInterface(aTargetThread);
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|   MOZ_ASSERT(mTargetThread);
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|   return NS_OK;
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| }
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| 
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| NS_IMETHODIMP
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| BaseWebSocketChannel::GetDeliveryTarget(nsIEventTarget** aTargetThread)
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| {
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|   MOZ_ASSERT(NS_IsMainThread());
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| 
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|   nsCOMPtr<nsIEventTarget> target = mTargetThread;
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|   if (!target) {
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|     target = GetCurrentThreadEventTarget();
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|   }
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|   target.forget(aTargetThread);
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|   return NS_OK;
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| }
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| 
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| BaseWebSocketChannel::ListenerAndContextContainer::ListenerAndContextContainer(
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|                                                nsIWebSocketListener* aListener,
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|                                                nsISupports* aContext)
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|   : mListener(aListener)
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|   , mContext(aContext)
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| {
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|   MOZ_ASSERT(NS_IsMainThread());
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|   MOZ_ASSERT(mListener);
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| }
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| 
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| BaseWebSocketChannel::ListenerAndContextContainer::~ListenerAndContextContainer()
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| {
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|   MOZ_ASSERT(mListener);
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| 
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|   NS_ReleaseOnMainThreadSystemGroup(
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|     "BaseWebSocketChannel::ListenerAndContextContainer::mListener",
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|     mListener.forget());
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|   NS_ReleaseOnMainThreadSystemGroup(
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|     "BaseWebSocketChannel::ListenerAndContextContainer::mContext",
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|     mContext.forget());
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| }
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| 
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| } // namespace net
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| } // namespace mozilla
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