| /* |
| * Copyright (C) 2012 Google 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 "src/inspector/injected-script.h" |
| |
| #include <cmath> |
| #include <unordered_set> |
| |
| #include "src/inspector/custom-preview.h" |
| #include "src/inspector/inspected-context.h" |
| #include "src/inspector/protocol/Protocol.h" |
| #include "src/inspector/remote-object-id.h" |
| #include "src/inspector/string-util.h" |
| #include "src/inspector/v8-console.h" |
| #include "src/inspector/v8-inspector-impl.h" |
| #include "src/inspector/v8-inspector-session-impl.h" |
| #include "src/inspector/v8-stack-trace-impl.h" |
| #include "src/inspector/v8-value-utils.h" |
| #include "src/inspector/value-mirror.h" |
| |
| #include "include/v8-inspector.h" |
| |
| namespace v8_inspector { |
| |
| namespace { |
| static const char kGlobalHandleLabel[] = "DevTools console"; |
| static bool isResolvableNumberLike(String16 query) { |
| return query == "Infinity" || query == "-Infinity" || query == "NaN"; |
| } |
| } // namespace |
| |
| using protocol::Array; |
| using protocol::Maybe; |
| using protocol::Runtime::InternalPropertyDescriptor; |
| using protocol::Runtime::PrivatePropertyDescriptor; |
| using protocol::Runtime::PropertyDescriptor; |
| using protocol::Runtime::RemoteObject; |
| |
| class InjectedScript::ProtocolPromiseHandler { |
| public: |
| static bool add(V8InspectorSessionImpl* session, |
| v8::Local<v8::Context> context, v8::Local<v8::Value> value, |
| int executionContextId, const String16& objectGroup, |
| WrapMode wrapMode, EvaluateCallback* callback) { |
| v8::Local<v8::Promise::Resolver> resolver; |
| if (!v8::Promise::Resolver::New(context).ToLocal(&resolver)) { |
| callback->sendFailure(Response::InternalError()); |
| return false; |
| } |
| if (!resolver->Resolve(context, value).FromMaybe(false)) { |
| callback->sendFailure(Response::InternalError()); |
| return false; |
| } |
| |
| v8::Local<v8::Promise> promise = resolver->GetPromise(); |
| V8InspectorImpl* inspector = session->inspector(); |
| ProtocolPromiseHandler* handler = new ProtocolPromiseHandler( |
| session, executionContextId, objectGroup, wrapMode, callback); |
| v8::Local<v8::Value> wrapper = handler->m_wrapper.Get(inspector->isolate()); |
| v8::Local<v8::Function> thenCallbackFunction = |
| v8::Function::New(context, thenCallback, wrapper, 0, |
| v8::ConstructorBehavior::kThrow) |
| .ToLocalChecked(); |
| if (promise->Then(context, thenCallbackFunction).IsEmpty()) { |
| callback->sendFailure(Response::InternalError()); |
| return false; |
| } |
| v8::Local<v8::Function> catchCallbackFunction = |
| v8::Function::New(context, catchCallback, wrapper, 0, |
| v8::ConstructorBehavior::kThrow) |
| .ToLocalChecked(); |
| if (promise->Catch(context, catchCallbackFunction).IsEmpty()) { |
| callback->sendFailure(Response::InternalError()); |
| return false; |
| } |
| return true; |
| } |
| |
| private: |
| static void thenCallback(const v8::FunctionCallbackInfo<v8::Value>& info) { |
| ProtocolPromiseHandler* handler = static_cast<ProtocolPromiseHandler*>( |
| info.Data().As<v8::External>()->Value()); |
| DCHECK(handler); |
| v8::Local<v8::Value> value = |
| info.Length() > 0 |
| ? info[0] |
| : v8::Local<v8::Value>::Cast(v8::Undefined(info.GetIsolate())); |
| handler->thenCallback(value); |
| delete handler; |
| } |
| |
| static void catchCallback(const v8::FunctionCallbackInfo<v8::Value>& info) { |
| ProtocolPromiseHandler* handler = static_cast<ProtocolPromiseHandler*>( |
| info.Data().As<v8::External>()->Value()); |
| DCHECK(handler); |
| v8::Local<v8::Value> value = |
| info.Length() > 0 |
| ? info[0] |
| : v8::Local<v8::Value>::Cast(v8::Undefined(info.GetIsolate())); |
| handler->catchCallback(value); |
| delete handler; |
| } |
| |
| ProtocolPromiseHandler(V8InspectorSessionImpl* session, |
| int executionContextId, const String16& objectGroup, |
| WrapMode wrapMode, EvaluateCallback* callback) |
| : m_inspector(session->inspector()), |
| m_sessionId(session->sessionId()), |
| m_contextGroupId(session->contextGroupId()), |
| m_executionContextId(executionContextId), |
| m_objectGroup(objectGroup), |
| m_wrapMode(wrapMode), |
| m_callback(std::move(callback)), |
| m_wrapper(m_inspector->isolate(), |
| v8::External::New(m_inspector->isolate(), this)) { |
| m_wrapper.SetWeak(this, cleanup, v8::WeakCallbackType::kParameter); |
| } |
| |
| static void cleanup( |
| const v8::WeakCallbackInfo<ProtocolPromiseHandler>& data) { |
| if (!data.GetParameter()->m_wrapper.IsEmpty()) { |
| data.GetParameter()->m_wrapper.Reset(); |
| data.SetSecondPassCallback(cleanup); |
| } else { |
| data.GetParameter()->sendPromiseCollected(); |
| delete data.GetParameter(); |
| } |
| } |
| |
| void thenCallback(v8::Local<v8::Value> result) { |
| V8InspectorSessionImpl* session = |
| m_inspector->sessionById(m_contextGroupId, m_sessionId); |
| if (!session) return; |
| InjectedScript::ContextScope scope(session, m_executionContextId); |
| Response response = scope.initialize(); |
| if (!response.isSuccess()) return; |
| if (m_objectGroup == "console") { |
| scope.injectedScript()->setLastEvaluationResult(result); |
| } |
| std::unique_ptr<EvaluateCallback> callback = |
| scope.injectedScript()->takeEvaluateCallback(m_callback); |
| if (!callback) return; |
| std::unique_ptr<protocol::Runtime::RemoteObject> wrappedValue; |
| response = scope.injectedScript()->wrapObject(result, m_objectGroup, |
| m_wrapMode, &wrappedValue); |
| if (!response.isSuccess()) { |
| callback->sendFailure(response); |
| return; |
| } |
| callback->sendSuccess(std::move(wrappedValue), |
| Maybe<protocol::Runtime::ExceptionDetails>()); |
| } |
| |
| void catchCallback(v8::Local<v8::Value> result) { |
| V8InspectorSessionImpl* session = |
| m_inspector->sessionById(m_contextGroupId, m_sessionId); |
| if (!session) return; |
| InjectedScript::ContextScope scope(session, m_executionContextId); |
| Response response = scope.initialize(); |
| if (!response.isSuccess()) return; |
| std::unique_ptr<EvaluateCallback> callback = |
| scope.injectedScript()->takeEvaluateCallback(m_callback); |
| if (!callback) return; |
| std::unique_ptr<protocol::Runtime::RemoteObject> wrappedValue; |
| response = scope.injectedScript()->wrapObject(result, m_objectGroup, |
| m_wrapMode, &wrappedValue); |
| if (!response.isSuccess()) { |
| callback->sendFailure(response); |
| return; |
| } |
| String16 message; |
| std::unique_ptr<V8StackTraceImpl> stack; |
| v8::Isolate* isolate = session->inspector()->isolate(); |
| if (result->IsNativeError()) { |
| message = " " + toProtocolString( |
| isolate, |
| result->ToDetailString(isolate->GetCurrentContext()) |
| .ToLocalChecked()); |
| v8::Local<v8::StackTrace> stackTrace = v8::debug::GetDetailedStackTrace( |
| isolate, v8::Local<v8::Object>::Cast(result)); |
| if (!stackTrace.IsEmpty()) { |
| stack = m_inspector->debugger()->createStackTrace(stackTrace); |
| } |
| } |
| if (!stack) { |
| stack = m_inspector->debugger()->captureStackTrace(true); |
| } |
| std::unique_ptr<protocol::Runtime::ExceptionDetails> exceptionDetails = |
| protocol::Runtime::ExceptionDetails::create() |
| .setExceptionId(m_inspector->nextExceptionId()) |
| .setText("Uncaught (in promise)" + message) |
| .setLineNumber(stack && !stack->isEmpty() ? stack->topLineNumber() |
| : 0) |
| .setColumnNumber( |
| stack && !stack->isEmpty() ? stack->topColumnNumber() : 0) |
| .setException(wrappedValue->clone()) |
| .build(); |
| if (stack) |
| exceptionDetails->setStackTrace( |
| stack->buildInspectorObjectImpl(m_inspector->debugger())); |
| if (stack && !stack->isEmpty()) |
| exceptionDetails->setScriptId(toString16(stack->topScriptId())); |
| callback->sendSuccess(std::move(wrappedValue), std::move(exceptionDetails)); |
| } |
| |
| void sendPromiseCollected() { |
| V8InspectorSessionImpl* session = |
| m_inspector->sessionById(m_contextGroupId, m_sessionId); |
| if (!session) return; |
| InjectedScript::ContextScope scope(session, m_executionContextId); |
| Response response = scope.initialize(); |
| if (!response.isSuccess()) return; |
| std::unique_ptr<EvaluateCallback> callback = |
| scope.injectedScript()->takeEvaluateCallback(m_callback); |
| if (!callback) return; |
| callback->sendFailure(Response::Error("Promise was collected")); |
| } |
| |
| V8InspectorImpl* m_inspector; |
| int m_sessionId; |
| int m_contextGroupId; |
| int m_executionContextId; |
| String16 m_objectGroup; |
| WrapMode m_wrapMode; |
| EvaluateCallback* m_callback; |
| v8::Global<v8::External> m_wrapper; |
| }; |
| |
| InjectedScript::InjectedScript(InspectedContext* context, int sessionId) |
| : m_context(context), m_sessionId(sessionId) {} |
| |
| InjectedScript::~InjectedScript() { discardEvaluateCallbacks(); } |
| |
| namespace { |
| class PropertyAccumulator : public ValueMirror::PropertyAccumulator { |
| public: |
| explicit PropertyAccumulator(std::vector<PropertyMirror>* mirrors) |
| : m_mirrors(mirrors) {} |
| bool Add(PropertyMirror mirror) override { |
| m_mirrors->push_back(std::move(mirror)); |
| return true; |
| } |
| |
| private: |
| std::vector<PropertyMirror>* m_mirrors; |
| }; |
| } // anonymous namespace |
| |
| Response InjectedScript::getProperties( |
| v8::Local<v8::Object> object, const String16& groupName, bool ownProperties, |
| bool accessorPropertiesOnly, WrapMode wrapMode, |
| std::unique_ptr<Array<PropertyDescriptor>>* properties, |
| Maybe<protocol::Runtime::ExceptionDetails>* exceptionDetails) { |
| v8::HandleScope handles(m_context->isolate()); |
| v8::Local<v8::Context> context = m_context->context(); |
| v8::Isolate* isolate = m_context->isolate(); |
| int sessionId = m_sessionId; |
| v8::TryCatch tryCatch(isolate); |
| |
| *properties = v8::base::make_unique<Array<PropertyDescriptor>>(); |
| std::vector<PropertyMirror> mirrors; |
| PropertyAccumulator accumulator(&mirrors); |
| if (!ValueMirror::getProperties(context, object, ownProperties, |
| accessorPropertiesOnly, &accumulator)) { |
| return createExceptionDetails(tryCatch, groupName, wrapMode, |
| exceptionDetails); |
| } |
| for (const PropertyMirror& mirror : mirrors) { |
| std::unique_ptr<PropertyDescriptor> descriptor = |
| PropertyDescriptor::create() |
| .setName(mirror.name) |
| .setConfigurable(mirror.configurable) |
| .setEnumerable(mirror.enumerable) |
| .setIsOwn(mirror.isOwn) |
| .build(); |
| Response response; |
| std::unique_ptr<RemoteObject> remoteObject; |
| if (mirror.value) { |
| response = wrapObjectMirror(*mirror.value, groupName, wrapMode, |
| v8::MaybeLocal<v8::Value>(), |
| kMaxCustomPreviewDepth, &remoteObject); |
| if (!response.isSuccess()) return response; |
| descriptor->setValue(std::move(remoteObject)); |
| descriptor->setWritable(mirror.writable); |
| } |
| if (mirror.getter) { |
| response = |
| mirror.getter->buildRemoteObject(context, wrapMode, &remoteObject); |
| if (!response.isSuccess()) return response; |
| response = |
| bindRemoteObjectIfNeeded(sessionId, context, mirror.getter->v8Value(), |
| groupName, remoteObject.get()); |
| if (!response.isSuccess()) return response; |
| descriptor->setGet(std::move(remoteObject)); |
| } |
| if (mirror.setter) { |
| response = |
| mirror.setter->buildRemoteObject(context, wrapMode, &remoteObject); |
| if (!response.isSuccess()) return response; |
| response = |
| bindRemoteObjectIfNeeded(sessionId, context, mirror.setter->v8Value(), |
| groupName, remoteObject.get()); |
| if (!response.isSuccess()) return response; |
| descriptor->setSet(std::move(remoteObject)); |
| } |
| if (mirror.symbol) { |
| response = |
| mirror.symbol->buildRemoteObject(context, wrapMode, &remoteObject); |
| if (!response.isSuccess()) return response; |
| response = |
| bindRemoteObjectIfNeeded(sessionId, context, mirror.symbol->v8Value(), |
| groupName, remoteObject.get()); |
| if (!response.isSuccess()) return response; |
| descriptor->setSymbol(std::move(remoteObject)); |
| } |
| if (mirror.exception) { |
| response = |
| mirror.exception->buildRemoteObject(context, wrapMode, &remoteObject); |
| if (!response.isSuccess()) return response; |
| response = bindRemoteObjectIfNeeded(sessionId, context, |
| mirror.exception->v8Value(), |
| groupName, remoteObject.get()); |
| if (!response.isSuccess()) return response; |
| descriptor->setValue(std::move(remoteObject)); |
| descriptor->setWasThrown(true); |
| } |
| (*properties)->emplace_back(std::move(descriptor)); |
| } |
| return Response::OK(); |
| } |
| |
| Response InjectedScript::getInternalAndPrivateProperties( |
| v8::Local<v8::Value> value, const String16& groupName, |
| std::unique_ptr<protocol::Array<InternalPropertyDescriptor>>* |
| internalProperties, |
| std::unique_ptr<protocol::Array<PrivatePropertyDescriptor>>* |
| privateProperties) { |
| *internalProperties = |
| v8::base::make_unique<Array<InternalPropertyDescriptor>>(); |
| *privateProperties = |
| v8::base::make_unique<Array<PrivatePropertyDescriptor>>(); |
| |
| if (!value->IsObject()) return Response::OK(); |
| |
| v8::Local<v8::Object> value_obj = value.As<v8::Object>(); |
| |
| v8::Local<v8::Context> context = m_context->context(); |
| int sessionId = m_sessionId; |
| std::vector<InternalPropertyMirror> internalPropertiesWrappers; |
| ValueMirror::getInternalProperties(m_context->context(), value_obj, |
| &internalPropertiesWrappers); |
| for (const auto& internalProperty : internalPropertiesWrappers) { |
| std::unique_ptr<RemoteObject> remoteObject; |
| Response response = internalProperty.value->buildRemoteObject( |
| m_context->context(), WrapMode::kNoPreview, &remoteObject); |
| if (!response.isSuccess()) return response; |
| response = bindRemoteObjectIfNeeded(sessionId, context, |
| internalProperty.value->v8Value(), |
| groupName, remoteObject.get()); |
| if (!response.isSuccess()) return response; |
| (*internalProperties) |
| ->emplace_back(InternalPropertyDescriptor::create() |
| .setName(internalProperty.name) |
| .setValue(std::move(remoteObject)) |
| .build()); |
| } |
| std::vector<PrivatePropertyMirror> privatePropertyWrappers = |
| ValueMirror::getPrivateProperties(m_context->context(), value_obj); |
| for (const auto& privateProperty : privatePropertyWrappers) { |
| std::unique_ptr<RemoteObject> remoteObject; |
| Response response = privateProperty.value->buildRemoteObject( |
| m_context->context(), WrapMode::kNoPreview, &remoteObject); |
| if (!response.isSuccess()) return response; |
| response = bindRemoteObjectIfNeeded(sessionId, context, |
| privateProperty.value->v8Value(), |
| groupName, remoteObject.get()); |
| if (!response.isSuccess()) return response; |
| (*privateProperties) |
| ->emplace_back(PrivatePropertyDescriptor::create() |
| .setName(privateProperty.name) |
| .setValue(std::move(remoteObject)) |
| .build()); |
| } |
| return Response::OK(); |
| } |
| |
| void InjectedScript::releaseObject(const String16& objectId) { |
| std::unique_ptr<protocol::Value> parsedObjectId = |
| protocol::StringUtil::parseJSON(objectId); |
| if (!parsedObjectId) return; |
| protocol::DictionaryValue* object = |
| protocol::DictionaryValue::cast(parsedObjectId.get()); |
| if (!object) return; |
| int boundId = 0; |
| if (!object->getInteger("id", &boundId)) return; |
| unbindObject(boundId); |
| } |
| |
| Response InjectedScript::wrapObject( |
| v8::Local<v8::Value> value, const String16& groupName, WrapMode wrapMode, |
| std::unique_ptr<protocol::Runtime::RemoteObject>* result) { |
| return wrapObject(value, groupName, wrapMode, v8::MaybeLocal<v8::Value>(), |
| kMaxCustomPreviewDepth, result); |
| } |
| |
| Response InjectedScript::wrapObject( |
| v8::Local<v8::Value> value, const String16& groupName, WrapMode wrapMode, |
| v8::MaybeLocal<v8::Value> customPreviewConfig, int maxCustomPreviewDepth, |
| std::unique_ptr<protocol::Runtime::RemoteObject>* result) { |
| v8::Local<v8::Context> context = m_context->context(); |
| v8::Context::Scope contextScope(context); |
| std::unique_ptr<ValueMirror> mirror = ValueMirror::create(context, value); |
| if (!mirror) return Response::InternalError(); |
| return wrapObjectMirror(*mirror, groupName, wrapMode, customPreviewConfig, |
| maxCustomPreviewDepth, result); |
| } |
| |
| Response InjectedScript::wrapObjectMirror( |
| const ValueMirror& mirror, const String16& groupName, WrapMode wrapMode, |
| v8::MaybeLocal<v8::Value> customPreviewConfig, int maxCustomPreviewDepth, |
| std::unique_ptr<protocol::Runtime::RemoteObject>* result) { |
| int customPreviewEnabled = m_customPreviewEnabled; |
| int sessionId = m_sessionId; |
| v8::Local<v8::Context> context = m_context->context(); |
| v8::Context::Scope contextScope(context); |
| Response response = mirror.buildRemoteObject(context, wrapMode, result); |
| if (!response.isSuccess()) return response; |
| v8::Local<v8::Value> value = mirror.v8Value(); |
| response = bindRemoteObjectIfNeeded(sessionId, context, value, groupName, |
| result->get()); |
| if (!response.isSuccess()) return response; |
| if (customPreviewEnabled && value->IsObject()) { |
| std::unique_ptr<protocol::Runtime::CustomPreview> customPreview; |
| generateCustomPreview(sessionId, groupName, context, value.As<v8::Object>(), |
| customPreviewConfig, maxCustomPreviewDepth, |
| &customPreview); |
| if (customPreview) (*result)->setCustomPreview(std::move(customPreview)); |
| } |
| return Response::OK(); |
| } |
| |
| std::unique_ptr<protocol::Runtime::RemoteObject> InjectedScript::wrapTable( |
| v8::Local<v8::Object> table, v8::MaybeLocal<v8::Array> maybeColumns) { |
| using protocol::Runtime::RemoteObject; |
| using protocol::Runtime::ObjectPreview; |
| using protocol::Runtime::PropertyPreview; |
| using protocol::Array; |
| |
| v8::Isolate* isolate = m_context->isolate(); |
| v8::HandleScope handles(isolate); |
| v8::Local<v8::Context> context = m_context->context(); |
| |
| std::unique_ptr<RemoteObject> remoteObject; |
| Response response = |
| wrapObject(table, "console", WrapMode::kNoPreview, &remoteObject); |
| if (!remoteObject || !response.isSuccess()) return nullptr; |
| |
| auto mirror = ValueMirror::create(context, table); |
| std::unique_ptr<ObjectPreview> preview; |
| int limit = 1000; |
| mirror->buildObjectPreview(context, true /* generatePreviewForTable */, |
| &limit, &limit, &preview); |
| if (!preview) return nullptr; |
| |
| std::unordered_set<String16> selectedColumns; |
| v8::Local<v8::Array> v8Columns; |
| if (maybeColumns.ToLocal(&v8Columns)) { |
| for (uint32_t i = 0; i < v8Columns->Length(); ++i) { |
| v8::Local<v8::Value> column; |
| if (v8Columns->Get(context, i).ToLocal(&column) && column->IsString()) { |
| selectedColumns.insert( |
| toProtocolString(isolate, column.As<v8::String>())); |
| } |
| } |
| } |
| if (!selectedColumns.empty()) { |
| for (const std::unique_ptr<PropertyPreview>& column : |
| *preview->getProperties()) { |
| ObjectPreview* columnPreview = column->getValuePreview(nullptr); |
| if (!columnPreview) continue; |
| |
| auto filtered = v8::base::make_unique<Array<PropertyPreview>>(); |
| for (const std::unique_ptr<PropertyPreview>& property : |
| *columnPreview->getProperties()) { |
| if (selectedColumns.find(property->getName()) != |
| selectedColumns.end()) { |
| filtered->emplace_back(property->clone()); |
| } |
| } |
| columnPreview->setProperties(std::move(filtered)); |
| } |
| } |
| remoteObject->setPreview(std::move(preview)); |
| return remoteObject; |
| } |
| |
| void InjectedScript::addPromiseCallback( |
| V8InspectorSessionImpl* session, v8::MaybeLocal<v8::Value> value, |
| const String16& objectGroup, WrapMode wrapMode, |
| std::unique_ptr<EvaluateCallback> callback) { |
| if (value.IsEmpty()) { |
| callback->sendFailure(Response::InternalError()); |
| return; |
| } |
| v8::MicrotasksScope microtasksScope(m_context->isolate(), |
| v8::MicrotasksScope::kRunMicrotasks); |
| if (ProtocolPromiseHandler::add( |
| session, m_context->context(), value.ToLocalChecked(), |
| m_context->contextId(), objectGroup, wrapMode, callback.get())) { |
| m_evaluateCallbacks.insert(callback.release()); |
| } |
| } |
| |
| void InjectedScript::discardEvaluateCallbacks() { |
| for (auto& callback : m_evaluateCallbacks) { |
| callback->sendFailure(Response::Error("Execution context was destroyed.")); |
| delete callback; |
| } |
| m_evaluateCallbacks.clear(); |
| } |
| |
| std::unique_ptr<EvaluateCallback> InjectedScript::takeEvaluateCallback( |
| EvaluateCallback* callback) { |
| auto it = m_evaluateCallbacks.find(callback); |
| if (it == m_evaluateCallbacks.end()) return nullptr; |
| std::unique_ptr<EvaluateCallback> value(*it); |
| m_evaluateCallbacks.erase(it); |
| return value; |
| } |
| |
| Response InjectedScript::findObject(const RemoteObjectId& objectId, |
| v8::Local<v8::Value>* outObject) const { |
| auto it = m_idToWrappedObject.find(objectId.id()); |
| if (it == m_idToWrappedObject.end()) |
| return Response::Error("Could not find object with given id"); |
| *outObject = it->second.Get(m_context->isolate()); |
| return Response::OK(); |
| } |
| |
| String16 InjectedScript::objectGroupName(const RemoteObjectId& objectId) const { |
| if (objectId.id() <= 0) return String16(); |
| auto it = m_idToObjectGroupName.find(objectId.id()); |
| return it != m_idToObjectGroupName.end() ? it->second : String16(); |
| } |
| |
| void InjectedScript::releaseObjectGroup(const String16& objectGroup) { |
| if (objectGroup == "console") m_lastEvaluationResult.Reset(); |
| if (objectGroup.isEmpty()) return; |
| auto it = m_nameToObjectGroup.find(objectGroup); |
| if (it == m_nameToObjectGroup.end()) return; |
| for (int id : it->second) unbindObject(id); |
| m_nameToObjectGroup.erase(it); |
| } |
| |
| void InjectedScript::setCustomObjectFormatterEnabled(bool enabled) { |
| m_customPreviewEnabled = enabled; |
| } |
| |
| v8::Local<v8::Value> InjectedScript::lastEvaluationResult() const { |
| if (m_lastEvaluationResult.IsEmpty()) |
| return v8::Undefined(m_context->isolate()); |
| return m_lastEvaluationResult.Get(m_context->isolate()); |
| } |
| |
| void InjectedScript::setLastEvaluationResult(v8::Local<v8::Value> result) { |
| m_lastEvaluationResult.Reset(m_context->isolate(), result); |
| m_lastEvaluationResult.AnnotateStrongRetainer(kGlobalHandleLabel); |
| } |
| |
| Response InjectedScript::resolveCallArgument( |
| protocol::Runtime::CallArgument* callArgument, |
| v8::Local<v8::Value>* result) { |
| if (callArgument->hasObjectId()) { |
| std::unique_ptr<RemoteObjectId> remoteObjectId; |
| Response response = |
| RemoteObjectId::parse(callArgument->getObjectId(""), &remoteObjectId); |
| if (!response.isSuccess()) return response; |
| if (remoteObjectId->contextId() != m_context->contextId()) |
| return Response::Error( |
| "Argument should belong to the same JavaScript world as target " |
| "object"); |
| return findObject(*remoteObjectId, result); |
| } |
| if (callArgument->hasValue() || callArgument->hasUnserializableValue()) { |
| String16 value; |
| if (callArgument->hasValue()) { |
| value = "(" + callArgument->getValue(nullptr)->toJSONString() + ")"; |
| } else { |
| String16 unserializableValue = callArgument->getUnserializableValue(""); |
| // Protect against potential identifier resolution for NaN and Infinity. |
| if (isResolvableNumberLike(unserializableValue)) |
| value = "Number(\"" + unserializableValue + "\")"; |
| else |
| value = unserializableValue; |
| } |
| if (!m_context->inspector() |
| ->compileAndRunInternalScript( |
| m_context->context(), toV8String(m_context->isolate(), value)) |
| .ToLocal(result)) { |
| return Response::Error("Couldn't parse value object in call argument"); |
| } |
| return Response::OK(); |
| } |
| *result = v8::Undefined(m_context->isolate()); |
| return Response::OK(); |
| } |
| |
| Response InjectedScript::createExceptionDetails( |
| const v8::TryCatch& tryCatch, const String16& objectGroup, |
| WrapMode wrapMode, Maybe<protocol::Runtime::ExceptionDetails>* result) { |
| if (!tryCatch.HasCaught()) return Response::InternalError(); |
| v8::Local<v8::Message> message = tryCatch.Message(); |
| v8::Local<v8::Value> exception = tryCatch.Exception(); |
| String16 messageText = |
| message.IsEmpty() |
| ? String16() |
| : toProtocolString(m_context->isolate(), message->Get()); |
| std::unique_ptr<protocol::Runtime::ExceptionDetails> exceptionDetails = |
| protocol::Runtime::ExceptionDetails::create() |
| .setExceptionId(m_context->inspector()->nextExceptionId()) |
| .setText(exception.IsEmpty() ? messageText : String16("Uncaught")) |
| .setLineNumber( |
| message.IsEmpty() |
| ? 0 |
| : message->GetLineNumber(m_context->context()).FromMaybe(1) - |
| 1) |
| .setColumnNumber( |
| message.IsEmpty() |
| ? 0 |
| : message->GetStartColumn(m_context->context()).FromMaybe(0)) |
| .build(); |
| if (!message.IsEmpty()) { |
| exceptionDetails->setScriptId(String16::fromInteger( |
| static_cast<int>(message->GetScriptOrigin().ScriptID()->Value()))); |
| v8::Local<v8::StackTrace> stackTrace = message->GetStackTrace(); |
| if (!stackTrace.IsEmpty() && stackTrace->GetFrameCount() > 0) |
| exceptionDetails->setStackTrace( |
| m_context->inspector() |
| ->debugger() |
| ->createStackTrace(stackTrace) |
| ->buildInspectorObjectImpl(m_context->inspector()->debugger())); |
| } |
| if (!exception.IsEmpty()) { |
| std::unique_ptr<protocol::Runtime::RemoteObject> wrapped; |
| Response response = |
| wrapObject(exception, objectGroup, |
| exception->IsNativeError() ? WrapMode::kNoPreview |
| : WrapMode::kWithPreview, |
| &wrapped); |
| if (!response.isSuccess()) return response; |
| exceptionDetails->setException(std::move(wrapped)); |
| } |
| *result = std::move(exceptionDetails); |
| return Response::OK(); |
| } |
| |
| Response InjectedScript::wrapEvaluateResult( |
| v8::MaybeLocal<v8::Value> maybeResultValue, const v8::TryCatch& tryCatch, |
| const String16& objectGroup, WrapMode wrapMode, |
| std::unique_ptr<protocol::Runtime::RemoteObject>* result, |
| Maybe<protocol::Runtime::ExceptionDetails>* exceptionDetails) { |
| v8::Local<v8::Value> resultValue; |
| if (!tryCatch.HasCaught()) { |
| if (!maybeResultValue.ToLocal(&resultValue)) |
| return Response::InternalError(); |
| Response response = wrapObject(resultValue, objectGroup, wrapMode, result); |
| if (!response.isSuccess()) return response; |
| if (objectGroup == "console") { |
| m_lastEvaluationResult.Reset(m_context->isolate(), resultValue); |
| m_lastEvaluationResult.AnnotateStrongRetainer(kGlobalHandleLabel); |
| } |
| } else { |
| if (tryCatch.HasTerminated() || !tryCatch.CanContinue()) { |
| return Response::Error("Execution was terminated"); |
| } |
| v8::Local<v8::Value> exception = tryCatch.Exception(); |
| Response response = |
| wrapObject(exception, objectGroup, |
| exception->IsNativeError() ? WrapMode::kNoPreview |
| : WrapMode::kWithPreview, |
| result); |
| if (!response.isSuccess()) return response; |
| // We send exception in result for compatibility reasons, even though it's |
| // accessible through exceptionDetails.exception. |
| response = createExceptionDetails(tryCatch, objectGroup, wrapMode, |
| exceptionDetails); |
| if (!response.isSuccess()) return response; |
| } |
| return Response::OK(); |
| } |
| |
| v8::Local<v8::Object> InjectedScript::commandLineAPI() { |
| if (m_commandLineAPI.IsEmpty()) { |
| m_commandLineAPI.Reset( |
| m_context->isolate(), |
| m_context->inspector()->console()->createCommandLineAPI( |
| m_context->context(), m_sessionId)); |
| m_commandLineAPI.AnnotateStrongRetainer(kGlobalHandleLabel); |
| } |
| return m_commandLineAPI.Get(m_context->isolate()); |
| } |
| |
| InjectedScript::Scope::Scope(V8InspectorSessionImpl* session) |
| : m_inspector(session->inspector()), |
| m_injectedScript(nullptr), |
| m_handleScope(m_inspector->isolate()), |
| m_tryCatch(m_inspector->isolate()), |
| m_ignoreExceptionsAndMuteConsole(false), |
| m_previousPauseOnExceptionsState(v8::debug::NoBreakOnException), |
| m_userGesture(false), |
| m_allowEval(false), |
| m_contextGroupId(session->contextGroupId()), |
| m_sessionId(session->sessionId()) {} |
| |
| Response InjectedScript::Scope::initialize() { |
| cleanup(); |
| V8InspectorSessionImpl* session = |
| m_inspector->sessionById(m_contextGroupId, m_sessionId); |
| if (!session) return Response::InternalError(); |
| Response response = findInjectedScript(session); |
| if (!response.isSuccess()) return response; |
| m_context = m_injectedScript->context()->context(); |
| m_context->Enter(); |
| if (m_allowEval) m_context->AllowCodeGenerationFromStrings(true); |
| return Response::OK(); |
| } |
| |
| void InjectedScript::Scope::installCommandLineAPI() { |
| DCHECK(m_injectedScript && !m_context.IsEmpty() && |
| !m_commandLineAPIScope.get()); |
| m_commandLineAPIScope.reset(new V8Console::CommandLineAPIScope( |
| m_context, m_injectedScript->commandLineAPI(), m_context->Global())); |
| } |
| |
| void InjectedScript::Scope::ignoreExceptionsAndMuteConsole() { |
| DCHECK(!m_ignoreExceptionsAndMuteConsole); |
| m_ignoreExceptionsAndMuteConsole = true; |
| m_inspector->client()->muteMetrics(m_contextGroupId); |
| m_inspector->muteExceptions(m_contextGroupId); |
| m_previousPauseOnExceptionsState = |
| setPauseOnExceptionsState(v8::debug::NoBreakOnException); |
| } |
| |
| v8::debug::ExceptionBreakState InjectedScript::Scope::setPauseOnExceptionsState( |
| v8::debug::ExceptionBreakState newState) { |
| if (!m_inspector->debugger()->enabled()) return newState; |
| v8::debug::ExceptionBreakState presentState = |
| m_inspector->debugger()->getPauseOnExceptionsState(); |
| if (presentState != newState) |
| m_inspector->debugger()->setPauseOnExceptionsState(newState); |
| return presentState; |
| } |
| |
| void InjectedScript::Scope::pretendUserGesture() { |
| DCHECK(!m_userGesture); |
| m_userGesture = true; |
| m_inspector->client()->beginUserGesture(); |
| } |
| |
| void InjectedScript::Scope::allowCodeGenerationFromStrings() { |
| DCHECK(!m_allowEval); |
| if (m_context->IsCodeGenerationFromStringsAllowed()) return; |
| m_allowEval = true; |
| m_context->AllowCodeGenerationFromStrings(true); |
| } |
| |
| void InjectedScript::Scope::cleanup() { |
| m_commandLineAPIScope.reset(); |
| if (!m_context.IsEmpty()) { |
| if (m_allowEval) m_context->AllowCodeGenerationFromStrings(false); |
| m_context->Exit(); |
| m_context.Clear(); |
| } |
| } |
| |
| InjectedScript::Scope::~Scope() { |
| if (m_ignoreExceptionsAndMuteConsole) { |
| setPauseOnExceptionsState(m_previousPauseOnExceptionsState); |
| m_inspector->client()->unmuteMetrics(m_contextGroupId); |
| m_inspector->unmuteExceptions(m_contextGroupId); |
| } |
| if (m_userGesture) m_inspector->client()->endUserGesture(); |
| cleanup(); |
| } |
| |
| InjectedScript::ContextScope::ContextScope(V8InspectorSessionImpl* session, |
| int executionContextId) |
| : InjectedScript::Scope(session), |
| m_executionContextId(executionContextId) {} |
| |
| InjectedScript::ContextScope::~ContextScope() = default; |
| |
| Response InjectedScript::ContextScope::findInjectedScript( |
| V8InspectorSessionImpl* session) { |
| return session->findInjectedScript(m_executionContextId, m_injectedScript); |
| } |
| |
| InjectedScript::ObjectScope::ObjectScope(V8InspectorSessionImpl* session, |
| const String16& remoteObjectId) |
| : InjectedScript::Scope(session), m_remoteObjectId(remoteObjectId) {} |
| |
| InjectedScript::ObjectScope::~ObjectScope() = default; |
| |
| Response InjectedScript::ObjectScope::findInjectedScript( |
| V8InspectorSessionImpl* session) { |
| std::unique_ptr<RemoteObjectId> remoteId; |
| Response response = RemoteObjectId::parse(m_remoteObjectId, &remoteId); |
| if (!response.isSuccess()) return response; |
| InjectedScript* injectedScript = nullptr; |
| response = session->findInjectedScript(remoteId.get(), injectedScript); |
| if (!response.isSuccess()) return response; |
| m_objectGroupName = injectedScript->objectGroupName(*remoteId); |
| response = injectedScript->findObject(*remoteId, &m_object); |
| if (!response.isSuccess()) return response; |
| m_injectedScript = injectedScript; |
| return Response::OK(); |
| } |
| |
| InjectedScript::CallFrameScope::CallFrameScope(V8InspectorSessionImpl* session, |
| const String16& remoteObjectId) |
| : InjectedScript::Scope(session), m_remoteCallFrameId(remoteObjectId) {} |
| |
| InjectedScript::CallFrameScope::~CallFrameScope() = default; |
| |
| Response InjectedScript::CallFrameScope::findInjectedScript( |
| V8InspectorSessionImpl* session) { |
| std::unique_ptr<RemoteCallFrameId> remoteId; |
| Response response = RemoteCallFrameId::parse(m_remoteCallFrameId, &remoteId); |
| if (!response.isSuccess()) return response; |
| m_frameOrdinal = static_cast<size_t>(remoteId->frameOrdinal()); |
| return session->findInjectedScript(remoteId.get(), m_injectedScript); |
| } |
| |
| String16 InjectedScript::bindObject(v8::Local<v8::Value> value, |
| const String16& groupName) { |
| if (m_lastBoundObjectId <= 0) m_lastBoundObjectId = 1; |
| int id = m_lastBoundObjectId++; |
| m_idToWrappedObject[id].Reset(m_context->isolate(), value); |
| m_idToWrappedObject[id].AnnotateStrongRetainer(kGlobalHandleLabel); |
| if (!groupName.isEmpty() && id > 0) { |
| m_idToObjectGroupName[id] = groupName; |
| m_nameToObjectGroup[groupName].push_back(id); |
| } |
| // TODO(dgozman): get rid of "injectedScript" notion. |
| return String16::concat( |
| "{\"injectedScriptId\":", String16::fromInteger(m_context->contextId()), |
| ",\"id\":", String16::fromInteger(id), "}"); |
| } |
| |
| // static |
| Response InjectedScript::bindRemoteObjectIfNeeded( |
| int sessionId, v8::Local<v8::Context> context, v8::Local<v8::Value> value, |
| const String16& groupName, protocol::Runtime::RemoteObject* remoteObject) { |
| if (!remoteObject) return Response::OK(); |
| if (remoteObject->hasValue()) return Response::OK(); |
| if (remoteObject->hasUnserializableValue()) return Response::OK(); |
| if (remoteObject->getType() != RemoteObject::TypeEnum::Undefined) { |
| v8::Isolate* isolate = context->GetIsolate(); |
| V8InspectorImpl* inspector = |
| static_cast<V8InspectorImpl*>(v8::debug::GetInspector(isolate)); |
| InspectedContext* inspectedContext = |
| inspector->getContext(InspectedContext::contextId(context)); |
| InjectedScript* injectedScript = |
| inspectedContext ? inspectedContext->getInjectedScript(sessionId) |
| : nullptr; |
| if (!injectedScript) { |
| return Response::Error("Cannot find context with specified id"); |
| } |
| remoteObject->setObjectId(injectedScript->bindObject(value, groupName)); |
| } |
| return Response::OK(); |
| } |
| |
| void InjectedScript::unbindObject(int id) { |
| m_idToWrappedObject.erase(id); |
| m_idToObjectGroupName.erase(id); |
| } |
| |
| } // namespace v8_inspector |
