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	 b05759de17
			
		
	
	
		b05759de17
		
	
	
	
	
		
			
			Note that this patch implements a member function CrossOriginIsIsolated in PerformanceWorker and PerformanceMainThread. In PerformanceMainThread, we need to cache boolean for CrossOriginIsIsolated() so that we don't need to find the owning global on every callsites. Differential Revision: https://phabricator.services.mozilla.com/D63904 --HG-- extra : moz-landing-system : lando
		
			
				
	
	
		
			402 lines
		
	
	
	
		
			13 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			402 lines
		
	
	
	
		
			13 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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| /* vim: set ts=8 sts=2 et sw=2 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 "PerformanceMainThread.h"
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| #include "PerformanceNavigation.h"
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| #include "mozilla/StaticPrefs_dom.h"
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| 
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| namespace mozilla {
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| namespace dom {
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| 
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| namespace {
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| 
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| void GetURLSpecFromChannel(nsITimedChannel* aChannel, nsAString& aSpec) {
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|   aSpec.AssignLiteral("document");
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| 
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|   nsCOMPtr<nsIChannel> channel = do_QueryInterface(aChannel);
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|   if (!channel) {
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|     return;
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|   }
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| 
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|   nsCOMPtr<nsIURI> uri;
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|   nsresult rv = channel->GetURI(getter_AddRefs(uri));
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|   if (NS_WARN_IF(NS_FAILED(rv)) || !uri) {
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|     return;
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|   }
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| 
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|   nsAutoCString spec;
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|   rv = uri->GetSpec(spec);
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|   if (NS_WARN_IF(NS_FAILED(rv))) {
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|     return;
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|   }
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| 
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|   aSpec = NS_ConvertUTF8toUTF16(spec);
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| }
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| 
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| }  // namespace
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| 
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| NS_IMPL_CYCLE_COLLECTION_CLASS(PerformanceMainThread)
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| 
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| NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(PerformanceMainThread,
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|                                                 Performance)
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|   NS_IMPL_CYCLE_COLLECTION_UNLINK(mTiming, mNavigation, mDocEntry)
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|   tmp->mMozMemory = nullptr;
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|   mozilla::DropJSObjects(this);
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| NS_IMPL_CYCLE_COLLECTION_UNLINK_END
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| 
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| NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(PerformanceMainThread,
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|                                                   Performance)
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|   NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mTiming, mNavigation, mDocEntry)
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| NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
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| 
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| NS_IMPL_CYCLE_COLLECTION_TRACE_BEGIN_INHERITED(PerformanceMainThread,
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|                                                Performance)
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|   NS_IMPL_CYCLE_COLLECTION_TRACE_JS_MEMBER_CALLBACK(mMozMemory)
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| NS_IMPL_CYCLE_COLLECTION_TRACE_END
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| 
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| NS_IMPL_ADDREF_INHERITED(PerformanceMainThread, Performance)
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| NS_IMPL_RELEASE_INHERITED(PerformanceMainThread, Performance)
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| 
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| // QueryInterface implementation for PerformanceMainThread
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| NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(PerformanceMainThread)
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|   NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
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|   NS_INTERFACE_MAP_ENTRY(nsISupports)
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| NS_INTERFACE_MAP_END_INHERITING(Performance)
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| 
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| PerformanceMainThread::PerformanceMainThread(nsPIDOMWindowInner* aWindow,
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|                                              nsDOMNavigationTiming* aDOMTiming,
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|                                              nsITimedChannel* aChannel,
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|                                              bool aPrincipal)
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|     : Performance(aWindow, aPrincipal),
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|       mDOMTiming(aDOMTiming),
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|       mChannel(aChannel),
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|       mCrossOriginIsolated(aWindow->AsGlobal()->CrossOriginIsolated()) {
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|   MOZ_ASSERT(aWindow, "Parent window object should be provided");
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|   CreateNavigationTimingEntry();
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| }
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| 
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| PerformanceMainThread::~PerformanceMainThread() {
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|   mozilla::DropJSObjects(this);
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| }
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| 
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| void PerformanceMainThread::GetMozMemory(JSContext* aCx,
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|                                          JS::MutableHandle<JSObject*> aObj) {
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|   if (!mMozMemory) {
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|     mMozMemory = js::gc::NewMemoryInfoObject(aCx);
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|     if (mMozMemory) {
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|       mozilla::HoldJSObjects(this);
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|     }
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|   }
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| 
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|   aObj.set(mMozMemory);
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| }
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| 
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| PerformanceTiming* PerformanceMainThread::Timing() {
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|   if (!mTiming) {
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|     // For navigation timing, the third argument (an nsIHttpChannel) is null
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|     // since the cross-domain redirect were already checked.  The last argument
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|     // (zero time) for performance.timing is the navigation start value.
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|     mTiming = new PerformanceTiming(this, mChannel, nullptr,
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|                                     mDOMTiming->GetNavigationStart());
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|   }
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| 
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|   return mTiming;
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| }
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| 
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| void PerformanceMainThread::DispatchBufferFullEvent() {
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|   RefPtr<Event> event = NS_NewDOMEvent(this, nullptr, nullptr);
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|   // it bubbles, and it isn't cancelable
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|   event->InitEvent(NS_LITERAL_STRING("resourcetimingbufferfull"), true, false);
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|   event->SetTrusted(true);
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|   DispatchEvent(*event);
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| }
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| 
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| PerformanceNavigation* PerformanceMainThread::Navigation() {
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|   if (!mNavigation) {
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|     mNavigation = new PerformanceNavigation(this);
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|   }
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| 
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|   return mNavigation;
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| }
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| 
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| /**
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|  * An entry should be added only after the resource is loaded.
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|  * This method is not thread safe and can only be called on the main thread.
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|  */
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| void PerformanceMainThread::AddEntry(nsIHttpChannel* channel,
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|                                      nsITimedChannel* timedChannel) {
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|   MOZ_ASSERT(NS_IsMainThread());
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| 
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|   nsAutoString initiatorType;
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|   nsAutoString entryName;
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| 
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|   UniquePtr<PerformanceTimingData> performanceTimingData(
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|       PerformanceTimingData::Create(timedChannel, channel, 0, initiatorType,
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|                                     entryName));
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|   if (!performanceTimingData) {
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|     return;
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|   }
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| 
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|   // The PerformanceResourceTiming object will use the PerformanceTimingData
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|   // object to get all the required timings.
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|   RefPtr<PerformanceResourceTiming> performanceEntry =
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|       new PerformanceResourceTiming(std::move(performanceTimingData), this,
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|                                     entryName);
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| 
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|   performanceEntry->SetInitiatorType(initiatorType);
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|   InsertResourceEntry(performanceEntry);
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| }
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| 
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| // To be removed once bug 1124165 lands
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| bool PerformanceMainThread::IsPerformanceTimingAttribute(
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|     const nsAString& aName) {
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|   // Note that toJSON is added to this list due to bug 1047848
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|   static const char* attributes[] = {"navigationStart",
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|                                      "unloadEventStart",
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|                                      "unloadEventEnd",
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|                                      "redirectStart",
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|                                      "redirectEnd",
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|                                      "fetchStart",
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|                                      "domainLookupStart",
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|                                      "domainLookupEnd",
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|                                      "connectStart",
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|                                      "secureConnectionStart",
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|                                      "connectEnd",
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|                                      "requestStart",
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|                                      "responseStart",
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|                                      "responseEnd",
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|                                      "domLoading",
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|                                      "domInteractive",
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|                                      "domContentLoadedEventStart",
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|                                      "domContentLoadedEventEnd",
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|                                      "domComplete",
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|                                      "loadEventStart",
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|                                      "loadEventEnd",
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|                                      nullptr};
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| 
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|   for (uint32_t i = 0; attributes[i]; ++i) {
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|     if (aName.EqualsASCII(attributes[i])) {
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|       return true;
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|     }
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|   }
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| 
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|   return false;
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| }
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| 
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| DOMHighResTimeStamp PerformanceMainThread::GetPerformanceTimingFromString(
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|     const nsAString& aProperty) {
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|   // ::Measure expects the values returned from this function to be passed
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|   // through ReduceTimePrecision already.
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|   if (!IsPerformanceTimingAttribute(aProperty)) {
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|     return 0;
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|   }
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|   // Values from Timing() are already reduced
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|   if (aProperty.EqualsLiteral("redirectStart")) {
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|     return Timing()->RedirectStart();
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|   }
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|   if (aProperty.EqualsLiteral("redirectEnd")) {
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|     return Timing()->RedirectEnd();
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|   }
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|   if (aProperty.EqualsLiteral("fetchStart")) {
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|     return Timing()->FetchStart();
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|   }
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|   if (aProperty.EqualsLiteral("domainLookupStart")) {
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|     return Timing()->DomainLookupStart();
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|   }
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|   if (aProperty.EqualsLiteral("domainLookupEnd")) {
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|     return Timing()->DomainLookupEnd();
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|   }
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|   if (aProperty.EqualsLiteral("connectStart")) {
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|     return Timing()->ConnectStart();
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|   }
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|   if (aProperty.EqualsLiteral("secureConnectionStart")) {
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|     return Timing()->SecureConnectionStart();
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|   }
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|   if (aProperty.EqualsLiteral("connectEnd")) {
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|     return Timing()->ConnectEnd();
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|   }
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|   if (aProperty.EqualsLiteral("requestStart")) {
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|     return Timing()->RequestStart();
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|   }
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|   if (aProperty.EqualsLiteral("responseStart")) {
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|     return Timing()->ResponseStart();
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|   }
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|   if (aProperty.EqualsLiteral("responseEnd")) {
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|     return Timing()->ResponseEnd();
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|   }
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|   // Values from GetDOMTiming() are not.
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|   DOMHighResTimeStamp retValue;
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|   if (aProperty.EqualsLiteral("navigationStart")) {
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|     // DOMHighResTimeStamp is in relation to navigationStart, so this will be
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|     // zero.
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|     retValue = GetDOMTiming()->GetNavigationStart();
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|   } else if (aProperty.EqualsLiteral("unloadEventStart")) {
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|     retValue = GetDOMTiming()->GetUnloadEventStart();
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|   } else if (aProperty.EqualsLiteral("unloadEventEnd")) {
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|     retValue = GetDOMTiming()->GetUnloadEventEnd();
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|   } else if (aProperty.EqualsLiteral("domLoading")) {
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|     retValue = GetDOMTiming()->GetDomLoading();
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|   } else if (aProperty.EqualsLiteral("domInteractive")) {
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|     retValue = GetDOMTiming()->GetDomInteractive();
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|   } else if (aProperty.EqualsLiteral("domContentLoadedEventStart")) {
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|     retValue = GetDOMTiming()->GetDomContentLoadedEventStart();
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|   } else if (aProperty.EqualsLiteral("domContentLoadedEventEnd")) {
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|     retValue = GetDOMTiming()->GetDomContentLoadedEventEnd();
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|   } else if (aProperty.EqualsLiteral("domComplete")) {
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|     retValue = GetDOMTiming()->GetDomComplete();
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|   } else if (aProperty.EqualsLiteral("loadEventStart")) {
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|     retValue = GetDOMTiming()->GetLoadEventStart();
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|   } else if (aProperty.EqualsLiteral("loadEventEnd")) {
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|     retValue = GetDOMTiming()->GetLoadEventEnd();
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|   } else {
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|     MOZ_CRASH(
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|         "IsPerformanceTimingAttribute and GetPerformanceTimingFromString are "
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|         "out "
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|         "of sync");
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|   }
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|   return nsRFPService::ReduceTimePrecisionAsMSecs(
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|       retValue, GetRandomTimelineSeed(), /* aIsSystemPrinciapl */ false,
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|       CrossOriginIsolated());
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| }
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| 
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| void PerformanceMainThread::InsertUserEntry(PerformanceEntry* aEntry) {
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|   MOZ_ASSERT(NS_IsMainThread());
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| 
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|   nsAutoCString uri;
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|   uint64_t markCreationEpoch = 0;
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| 
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|   if (StaticPrefs::dom_performance_enable_user_timing_logging() ||
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|       StaticPrefs::dom_performance_enable_notify_performance_timing()) {
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|     nsresult rv = NS_ERROR_FAILURE;
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|     nsCOMPtr<nsPIDOMWindowInner> owner = GetOwner();
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|     if (owner && owner->GetDocumentURI()) {
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|       rv = owner->GetDocumentURI()->GetHost(uri);
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|     }
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| 
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|     if (NS_FAILED(rv)) {
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|       // If we have no URI, just put in "none".
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|       uri.AssignLiteral("none");
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|     }
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|     markCreationEpoch = static_cast<uint64_t>(PR_Now() / PR_USEC_PER_MSEC);
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| 
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|     if (StaticPrefs::dom_performance_enable_user_timing_logging()) {
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|       Performance::LogEntry(aEntry, uri);
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|     }
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|   }
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| 
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|   if (StaticPrefs::dom_performance_enable_notify_performance_timing()) {
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|     TimingNotification(aEntry, uri, markCreationEpoch);
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|   }
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| 
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|   Performance::InsertUserEntry(aEntry);
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| }
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| 
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| TimeStamp PerformanceMainThread::CreationTimeStamp() const {
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|   return GetDOMTiming()->GetNavigationStartTimeStamp();
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| }
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| 
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| DOMHighResTimeStamp PerformanceMainThread::CreationTime() const {
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|   return GetDOMTiming()->GetNavigationStart();
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| }
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| 
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| void PerformanceMainThread::CreateNavigationTimingEntry() {
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|   MOZ_ASSERT(!mDocEntry, "mDocEntry should be null.");
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| 
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|   if (!StaticPrefs::dom_enable_performance_navigation_timing()) {
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|     return;
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|   }
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| 
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|   nsAutoString name;
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|   GetURLSpecFromChannel(mChannel, name);
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| 
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|   UniquePtr<PerformanceTimingData> timing(
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|       new PerformanceTimingData(mChannel, nullptr, 0));
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| 
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|   nsCOMPtr<nsIHttpChannel> httpChannel = do_QueryInterface(mChannel);
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|   if (httpChannel) {
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|     timing->SetPropertiesFromHttpChannel(httpChannel, mChannel);
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|   }
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| 
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|   mDocEntry = new PerformanceNavigationTiming(std::move(timing), this, name);
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| }
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| 
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| void PerformanceMainThread::QueueNavigationTimingEntry() {
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|   if (!mDocEntry) {
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|     return;
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|   }
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| 
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|   // Let's update some values.
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|   nsCOMPtr<nsIHttpChannel> httpChannel = do_QueryInterface(mChannel);
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|   if (httpChannel) {
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|     mDocEntry->UpdatePropertiesFromHttpChannel(httpChannel, mChannel);
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|   }
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| 
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|   QueueEntry(mDocEntry);
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| }
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| 
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| bool PerformanceMainThread::CrossOriginIsolated() const {
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|   return mCrossOriginIsolated;
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| }
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| 
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| void PerformanceMainThread::GetEntries(
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|     nsTArray<RefPtr<PerformanceEntry>>& aRetval) {
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|   // We return an empty list when 'privacy.resistFingerprinting' is on.
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|   if (nsContentUtils::ShouldResistFingerprinting()) {
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|     aRetval.Clear();
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|     return;
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|   }
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| 
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|   aRetval = mResourceEntries;
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|   aRetval.AppendElements(mUserEntries);
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| 
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|   if (mDocEntry) {
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|     aRetval.AppendElement(mDocEntry);
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|   }
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| 
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|   aRetval.Sort(PerformanceEntryComparator());
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| }
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| 
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| void PerformanceMainThread::GetEntriesByType(
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|     const nsAString& aEntryType, nsTArray<RefPtr<PerformanceEntry>>& aRetval) {
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|   // We return an empty list when 'privacy.resistFingerprinting' is on.
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|   if (nsContentUtils::ShouldResistFingerprinting()) {
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|     aRetval.Clear();
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|     return;
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|   }
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| 
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|   if (aEntryType.EqualsLiteral("navigation")) {
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|     aRetval.Clear();
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| 
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|     if (mDocEntry) {
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|       aRetval.AppendElement(mDocEntry);
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|     }
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|     return;
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|   }
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| 
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|   Performance::GetEntriesByType(aEntryType, aRetval);
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| }
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| 
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| void PerformanceMainThread::GetEntriesByName(
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|     const nsAString& aName, const Optional<nsAString>& aEntryType,
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|     nsTArray<RefPtr<PerformanceEntry>>& aRetval) {
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|   // We return an empty list when 'privacy.resistFingerprinting' is on.
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|   if (nsContentUtils::ShouldResistFingerprinting()) {
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|     aRetval.Clear();
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|     return;
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|   }
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| 
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|   Performance::GetEntriesByName(aName, aEntryType, aRetval);
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| 
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|   // The navigation entry is the first one. If it exists and the name matches,
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|   // let put it in front.
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|   if (mDocEntry && mDocEntry->GetName().Equals(aName)) {
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|     aRetval.InsertElementAt(0, mDocEntry);
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|     return;
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|   }
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| }
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| 
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| }  // namespace dom
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| }  // namespace mozilla
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