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/*
* Copyright (C) 2011 Google Inc. All rights reserved.
* Copyright (C) 2015 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "PageRuntimeAgent.h"
#include "Document.h"
#include "Frame.h"
#include "InspectorPageAgent.h"
#include "InstrumentingAgents.h"
#include "JSDOMWindowBase.h"
#include "Page.h"
#include "PageConsoleClient.h"
#include "ScriptController.h"
#include "ScriptState.h"
#include "SecurityOrigin.h"
#include "UserGestureEmulationScope.h"
#include <JavaScriptCore/InjectedScript.h>
#include <JavaScriptCore/InjectedScriptManager.h>
using Inspector::Protocol::Runtime::ExecutionContextDescription;
namespace WebCore {
using namespace Inspector;
static bool asBool(const bool* b)
{
return b && *b;
}
PageRuntimeAgent::PageRuntimeAgent(PageAgentContext& context)
: InspectorRuntimeAgent(context)
, m_frontendDispatcher(makeUnique<Inspector::RuntimeFrontendDispatcher>(context.frontendRouter))
, m_backendDispatcher(Inspector::RuntimeBackendDispatcher::create(context.backendDispatcher, this))
, m_instrumentingAgents(context.instrumentingAgents)
, m_inspectedPage(context.inspectedPage)
{
}
PageRuntimeAgent::~PageRuntimeAgent() = default;
void PageRuntimeAgent::enable(ErrorString& errorString)
{
bool enabled = m_instrumentingAgents.pageRuntimeAgent() == this;
InspectorRuntimeAgent::enable(errorString);
m_instrumentingAgents.setPageRuntimeAgent(this);
if (!enabled)
reportExecutionContextCreation();
}
void PageRuntimeAgent::disable(ErrorString& errorString)
{
m_instrumentingAgents.setPageRuntimeAgent(nullptr);
InspectorRuntimeAgent::disable(errorString);
}
void PageRuntimeAgent::didClearWindowObjectInWorld(Frame& frame)
{
auto* pageAgent = m_instrumentingAgents.inspectorPageAgent();
if (!pageAgent)
return;
auto frameId = pageAgent->frameId(&frame);
auto* scriptState = mainWorldExecState(&frame);
notifyContextCreated(frameId, scriptState, nullptr, true);
}
InjectedScript PageRuntimeAgent::injectedScriptForEval(ErrorString& errorString, const int* executionContextId)
{
if (!executionContextId) {
JSC::JSGlobalObject* scriptState = mainWorldExecState(&m_inspectedPage.mainFrame());
InjectedScript result = injectedScriptManager().injectedScriptFor(scriptState);
if (result.hasNoValue())
errorString = "Internal error: main world execution context not found"_s;
return result;
}
InjectedScript injectedScript = injectedScriptManager().injectedScriptForId(*executionContextId);
if (injectedScript.hasNoValue())
errorString = "Missing injected script for given executionContextId"_s;
return injectedScript;
}
void PageRuntimeAgent::muteConsole()
{
PageConsoleClient::mute();
}
void PageRuntimeAgent::unmuteConsole()
{
PageConsoleClient::unmute();
}
void PageRuntimeAgent::reportExecutionContextCreation()
{
auto* pageAgent = m_instrumentingAgents.inspectorPageAgent();
if (!pageAgent)
return;
Vector<std::pair<JSC::JSGlobalObject*, SecurityOrigin*>> isolatedContexts;
for (Frame* frame = &m_inspectedPage.mainFrame(); frame; frame = frame->tree().traverseNext()) {
if (!frame->script().canExecuteScripts(NotAboutToExecuteScript))
continue;
String frameId = pageAgent->frameId(frame);
JSC::JSGlobalObject* scriptState = mainWorldExecState(frame);
notifyContextCreated(frameId, scriptState, nullptr, true);
frame->script().collectIsolatedContexts(isolatedContexts);
if (isolatedContexts.isEmpty())
continue;
for (auto& context : isolatedContexts)
notifyContextCreated(frameId, context.first, context.second, false);
isolatedContexts.clear();
}
}
void PageRuntimeAgent::notifyContextCreated(const String& frameId, JSC::JSGlobalObject* scriptState, SecurityOrigin* securityOrigin, bool isPageContext)
{
ASSERT(securityOrigin || isPageContext);
InjectedScript result = injectedScriptManager().injectedScriptFor(scriptState);
if (result.hasNoValue())
return;
int executionContextId = injectedScriptManager().injectedScriptIdFor(scriptState);
String name = securityOrigin ? securityOrigin->toRawString() : String();
m_frontendDispatcher->executionContextCreated(ExecutionContextDescription::create()
.setId(executionContextId)
.setIsPageContext(isPageContext)
.setName(name)
.setFrameId(frameId)
.release());
}
void PageRuntimeAgent::evaluate(ErrorString& errorString, const String& expression, const String* objectGroup, const bool* includeCommandLineAPI, const bool* doNotPauseOnExceptionsAndMuteConsole, const int* executionContextId, const bool* returnByValue, const bool* generatePreview, const bool* saveResult, const bool* emulateUserGesture, RefPtr<Inspector::Protocol::Runtime::RemoteObject>& result, Optional<bool>& wasThrown, Optional<int>& savedResultIndex)
{
UserGestureEmulationScope userGestureScope(m_inspectedPage, asBool(emulateUserGesture));
InspectorRuntimeAgent::evaluate(errorString, expression, objectGroup, includeCommandLineAPI, doNotPauseOnExceptionsAndMuteConsole, executionContextId, returnByValue, generatePreview, saveResult, emulateUserGesture, result, wasThrown, savedResultIndex);
}
void PageRuntimeAgent::callFunctionOn(ErrorString& errorString, const String& objectId, const String& expression, const JSON::Array* optionalArguments, const bool* doNotPauseOnExceptionsAndMuteConsole, const bool* returnByValue, const bool* generatePreview, const bool* emulateUserGesture, RefPtr<Inspector::Protocol::Runtime::RemoteObject>& result, Optional<bool>& wasThrown)
{
UserGestureEmulationScope userGestureScope(m_inspectedPage, asBool(emulateUserGesture));
InspectorRuntimeAgent::callFunctionOn(errorString, objectId, expression, optionalArguments, doNotPauseOnExceptionsAndMuteConsole, returnByValue, generatePreview, emulateUserGesture, result, wasThrown);
}
} // namespace WebCore