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/*
* Copyright (C) 2010 Google Inc. All rights reserved.
* Copyright (C) 2013 Samsung Electronics. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
* 3. Neither the name of Apple Computer, Inc. ("Apple") 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 APPLE AND ITS 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 APPLE OR ITS 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 "third_party/blink/renderer/modules/storage/inspector_dom_storage_agent.h"
#include "base/feature_list.h"
#include "third_party/blink/public/common/features.h"
#include "third_party/blink/renderer/core/dom/document.h"
#include "third_party/blink/renderer/core/dom/dom_exception.h"
#include "third_party/blink/renderer/core/frame/local_dom_window.h"
#include "third_party/blink/renderer/core/frame/local_frame.h"
#include "third_party/blink/renderer/core/inspector/inspected_frames.h"
#include "third_party/blink/renderer/core/page/page.h"
#include "third_party/blink/renderer/modules/storage/cached_storage_area.h"
#include "third_party/blink/renderer/modules/storage/storage_area.h"
#include "third_party/blink/renderer/modules/storage/storage_controller.h"
#include "third_party/blink/renderer/modules/storage/storage_namespace.h"
#include "third_party/blink/renderer/platform/bindings/exception_state.h"
#include "third_party/blink/renderer/platform/weborigin/security_origin.h"
namespace blink {
using protocol::Response;
static Response ToResponse(ExceptionState& exception_state) {
if (!exception_state.HadException())
return Response::OK();
String name_prefix = IsDOMExceptionCode(exception_state.Code())
? DOMException::GetErrorName(
exception_state.CodeAs<DOMExceptionCode>()) +
" "
: g_empty_string;
return Response::Error(name_prefix + exception_state.Message());
}
InspectorDOMStorageAgent::InspectorDOMStorageAgent(
InspectedFrames* inspected_frames)
: inspected_frames_(inspected_frames),
enabled_(&agent_state_, /*default_value=*/false) {}
InspectorDOMStorageAgent::~InspectorDOMStorageAgent() = default;
void InspectorDOMStorageAgent::Trace(blink::Visitor* visitor) {
visitor->Trace(inspected_frames_);
InspectorBaseAgent::Trace(visitor);
}
void InspectorDOMStorageAgent::Restore() {
if (enabled_.Get())
InnerEnable();
}
void InspectorDOMStorageAgent::InnerEnable() {
StorageController::GetInstance()->AddLocalStorageInspectorStorageAgent(this);
StorageNamespace* ns =
StorageNamespace::From(inspected_frames_->Root()->GetPage());
if (ns)
ns->AddInspectorStorageAgent(this);
}
Response InspectorDOMStorageAgent::enable() {
if (enabled_.Get())
return Response::OK();
enabled_.Set(true);
InnerEnable();
return Response::OK();
}
Response InspectorDOMStorageAgent::disable() {
if (!enabled_.Get())
return Response::OK();
enabled_.Set(false);
StorageController::GetInstance()->RemoveLocalStorageInspectorStorageAgent(
this);
StorageNamespace* ns =
StorageNamespace::From(inspected_frames_->Root()->GetPage());
if (ns)
ns->RemoveInspectorStorageAgent(this);
return Response::OK();
}
Response InspectorDOMStorageAgent::clear(
std::unique_ptr<protocol::DOMStorage::StorageId> storage_id) {
StorageArea* storage_area = nullptr;
Response response = FindStorageArea(std::move(storage_id), storage_area);
if (!response.isSuccess())
return response;
DummyExceptionStateForTesting exception_state;
storage_area->clear(exception_state);
if (exception_state.HadException())
return Response::Error("Could not clear the storage");
return Response::OK();
}
Response InspectorDOMStorageAgent::getDOMStorageItems(
std::unique_ptr<protocol::DOMStorage::StorageId> storage_id,
std::unique_ptr<protocol::Array<protocol::Array<String>>>* items) {
StorageArea* storage_area = nullptr;
Response response = FindStorageArea(std::move(storage_id), storage_area);
if (!response.isSuccess())
return response;
auto storage_items =
std::make_unique<protocol::Array<protocol::Array<String>>>();
DummyExceptionStateForTesting exception_state;
for (unsigned i = 0; i < storage_area->length(exception_state); ++i) {
String name(storage_area->key(i, exception_state));
response = ToResponse(exception_state);
if (!response.isSuccess())
return response;
String value(storage_area->getItem(name, exception_state));
response = ToResponse(exception_state);
if (!response.isSuccess())
return response;
auto entry = std::make_unique<protocol::Array<String>>();
entry->emplace_back(name);
entry->emplace_back(value);
storage_items->emplace_back(std::move(entry));
}
*items = std::move(storage_items);
return Response::OK();
}
Response InspectorDOMStorageAgent::setDOMStorageItem(
std::unique_ptr<protocol::DOMStorage::StorageId> storage_id,
const String& key,
const String& value) {
StorageArea* storage_area = nullptr;
Response response = FindStorageArea(std::move(storage_id), storage_area);
if (!response.isSuccess())
return response;
DummyExceptionStateForTesting exception_state;
storage_area->setItem(key, value, exception_state);
return ToResponse(exception_state);
}
Response InspectorDOMStorageAgent::removeDOMStorageItem(
std::unique_ptr<protocol::DOMStorage::StorageId> storage_id,
const String& key) {
StorageArea* storage_area = nullptr;
Response response = FindStorageArea(std::move(storage_id), storage_area);
if (!response.isSuccess())
return response;
DummyExceptionStateForTesting exception_state;
storage_area->removeItem(key, exception_state);
return ToResponse(exception_state);
}
std::unique_ptr<protocol::DOMStorage::StorageId>
InspectorDOMStorageAgent::GetStorageId(const SecurityOrigin* security_origin,
bool is_local_storage) {
return protocol::DOMStorage::StorageId::create()
.setSecurityOrigin(security_origin->ToRawString())
.setIsLocalStorage(is_local_storage)
.build();
}
void InspectorDOMStorageAgent::DidDispatchDOMStorageEvent(
const String& key,
const String& old_value,
const String& new_value,
StorageArea::StorageType storage_type,
const SecurityOrigin* security_origin) {
if (!GetFrontend())
return;
std::unique_ptr<protocol::DOMStorage::StorageId> id = GetStorageId(
security_origin, storage_type == StorageArea::StorageType::kLocalStorage);
if (key.IsNull())
GetFrontend()->domStorageItemsCleared(std::move(id));
else if (new_value.IsNull())
GetFrontend()->domStorageItemRemoved(std::move(id), key);
else if (old_value.IsNull())
GetFrontend()->domStorageItemAdded(std::move(id), key, new_value);
else
GetFrontend()->domStorageItemUpdated(std::move(id), key, old_value,
new_value);
}
Response InspectorDOMStorageAgent::FindStorageArea(
std::unique_ptr<protocol::DOMStorage::StorageId> storage_id,
StorageArea*& storage_area) {
String security_origin = storage_id->getSecurityOrigin();
bool is_local_storage = storage_id->getIsLocalStorage();
LocalFrame* frame =
inspected_frames_->FrameWithSecurityOrigin(security_origin);
if (!frame)
return Response::Error("Frame not found for the given security origin");
if (is_local_storage) {
if (!frame->GetDocument()->GetSecurityOrigin()->CanAccessLocalStorage())
return Response::Error("Security origin cannot access local storage");
storage_area = StorageArea::CreateForInspectorAgent(
frame,
StorageController::GetInstance()->GetLocalStorageArea(
frame->GetDocument()->GetSecurityOrigin()),
StorageArea::StorageType::kLocalStorage);
return Response::OK();
}
if (!frame->GetDocument()->GetSecurityOrigin()->CanAccessSessionStorage())
return Response::Error("Security origin cannot access session storage");
StorageNamespace* session_namespace =
StorageNamespace::From(frame->GetPage());
if (!session_namespace)
return Response::Error("SessionStorage is not supported");
DCHECK(session_namespace->IsSessionStorage());
storage_area = StorageArea::CreateForInspectorAgent(
frame,
session_namespace->GetCachedArea(
frame->GetDocument()->GetSecurityOrigin()),
StorageArea::StorageType::kSessionStorage);
return Response::OK();
}
} // namespace blink
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