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// Copyright 2017 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "extensions/renderer/storage_area.h"
#include "base/strings/stringprintf.h"
#include "extensions/common/api/storage.h"
#include "extensions/renderer/bindings/api_binding_util.h"
#include "extensions/renderer/bindings/api_request_handler.h"
#include "extensions/renderer/bindings/api_signature.h"
#include "extensions/renderer/bindings/api_type_reference_map.h"
#include "extensions/renderer/bindings/binding_access_checker.h"
#include "gin/arguments.h"
#include "gin/handle.h"
#include "gin/object_template_builder.h"
#include "gin/wrappable.h"
namespace extensions {
namespace {
#define DEFINE_STORAGE_AREA_HANDLERS() \
void Get(gin::Arguments* arguments) { \
storage_area_.HandleFunctionCall("get", arguments); \
} \
void Set(gin::Arguments* arguments) { \
storage_area_.HandleFunctionCall("set", arguments); \
} \
void Remove(gin::Arguments* arguments) { \
storage_area_.HandleFunctionCall("remove", arguments); \
} \
void Clear(gin::Arguments* arguments) { \
storage_area_.HandleFunctionCall("clear", arguments); \
} \
void GetBytesInUse(gin::Arguments* arguments) { \
storage_area_.HandleFunctionCall("getBytesInUse", arguments); \
}
// gin::Wrappables for each of the storage areas. Since each has slightly
// different properties, and the object template is shared between all
// instances, this is a little verbose.
class LocalStorageArea final : public gin::Wrappable<LocalStorageArea> {
public:
LocalStorageArea(APIRequestHandler* request_handler,
const APITypeReferenceMap* type_refs,
const BindingAccessChecker* access_checker)
: storage_area_(request_handler, type_refs, "local", access_checker) {}
~LocalStorageArea() override = default;
static gin::WrapperInfo kWrapperInfo;
gin::ObjectTemplateBuilder GetObjectTemplateBuilder(
v8::Isolate* isolate) override {
return Wrappable<LocalStorageArea>::GetObjectTemplateBuilder(isolate)
.SetMethod("get", &LocalStorageArea::Get)
.SetMethod("set", &LocalStorageArea::Set)
.SetMethod("remove", &LocalStorageArea::Remove)
.SetMethod("clear", &LocalStorageArea::Clear)
.SetMethod("getBytesInUse", &LocalStorageArea::GetBytesInUse)
.SetValue("QUOTA_BYTES", api::storage::local::QUOTA_BYTES);
}
private:
DEFINE_STORAGE_AREA_HANDLERS()
StorageArea storage_area_;
DISALLOW_COPY_AND_ASSIGN(LocalStorageArea);
};
gin::WrapperInfo LocalStorageArea::kWrapperInfo = {gin::kEmbedderNativeGin};
class SyncStorageArea final : public gin::Wrappable<SyncStorageArea> {
public:
SyncStorageArea(APIRequestHandler* request_handler,
const APITypeReferenceMap* type_refs,
const BindingAccessChecker* access_checker)
: storage_area_(request_handler, type_refs, "sync", access_checker) {}
~SyncStorageArea() override = default;
static gin::WrapperInfo kWrapperInfo;
gin::ObjectTemplateBuilder GetObjectTemplateBuilder(
v8::Isolate* isolate) override {
return Wrappable<SyncStorageArea>::GetObjectTemplateBuilder(isolate)
.SetMethod("get", &SyncStorageArea::Get)
.SetMethod("set", &SyncStorageArea::Set)
.SetMethod("remove", &SyncStorageArea::Remove)
.SetMethod("clear", &SyncStorageArea::Clear)
.SetMethod("getBytesInUse", &SyncStorageArea::GetBytesInUse)
.SetValue("QUOTA_BYTES", api::storage::sync::QUOTA_BYTES)
.SetValue("QUOTA_BYTES_PER_ITEM",
api::storage::sync::QUOTA_BYTES_PER_ITEM)
.SetValue("MAX_ITEMS", api::storage::sync::MAX_ITEMS)
.SetValue("MAX_WRITE_OPERATIONS_PER_HOUR",
api::storage::sync::MAX_WRITE_OPERATIONS_PER_HOUR)
.SetValue("MAX_WRITE_OPERATIONS_PER_MINUTE",
api::storage::sync::MAX_WRITE_OPERATIONS_PER_MINUTE)
.SetValue(
"MAX_SUSTAINED_WRITE_OPERATIONS_PER_MINUTE",
api::storage::sync::MAX_SUSTAINED_WRITE_OPERATIONS_PER_MINUTE);
}
private:
DEFINE_STORAGE_AREA_HANDLERS()
StorageArea storage_area_;
DISALLOW_COPY_AND_ASSIGN(SyncStorageArea);
};
gin::WrapperInfo SyncStorageArea::kWrapperInfo = {gin::kEmbedderNativeGin};
class ManagedStorageArea final : public gin::Wrappable<ManagedStorageArea> {
public:
ManagedStorageArea(APIRequestHandler* request_handler,
const APITypeReferenceMap* type_refs,
const BindingAccessChecker* access_checker)
: storage_area_(request_handler, type_refs, "managed", access_checker) {}
~ManagedStorageArea() override = default;
static gin::WrapperInfo kWrapperInfo;
gin::ObjectTemplateBuilder GetObjectTemplateBuilder(
v8::Isolate* isolate) override {
return Wrappable<ManagedStorageArea>::GetObjectTemplateBuilder(isolate)
.SetMethod("get", &ManagedStorageArea::Get)
.SetMethod("set", &ManagedStorageArea::Set)
.SetMethod("remove", &ManagedStorageArea::Remove)
.SetMethod("clear", &ManagedStorageArea::Clear)
.SetMethod("getBytesInUse", &ManagedStorageArea::GetBytesInUse);
}
private:
DEFINE_STORAGE_AREA_HANDLERS()
StorageArea storage_area_;
DISALLOW_COPY_AND_ASSIGN(ManagedStorageArea);
};
gin::WrapperInfo ManagedStorageArea::kWrapperInfo = {gin::kEmbedderNativeGin};
#undef DEFINE_STORAGE_AREA_HANDLERS
} // namespace
StorageArea::StorageArea(APIRequestHandler* request_handler,
const APITypeReferenceMap* type_refs,
const std::string& name,
const BindingAccessChecker* access_checker)
: request_handler_(request_handler),
type_refs_(type_refs),
name_(name),
access_checker_(access_checker) {}
StorageArea::~StorageArea() = default;
// static
v8::Local<v8::Object> StorageArea::CreateStorageArea(
v8::Isolate* isolate,
const std::string& property_name,
const base::ListValue* property_values,
APIRequestHandler* request_handler,
APIEventHandler* event_handler,
APITypeReferenceMap* type_refs,
const BindingAccessChecker* access_checker) {
v8::Local<v8::Object> object;
if (property_name == "local") {
gin::Handle<LocalStorageArea> handle = gin::CreateHandle(
isolate,
new LocalStorageArea(request_handler, type_refs, access_checker));
object = handle.ToV8().As<v8::Object>();
} else if (property_name == "sync") {
gin::Handle<SyncStorageArea> handle = gin::CreateHandle(
isolate,
new SyncStorageArea(request_handler, type_refs, access_checker));
object = handle.ToV8().As<v8::Object>();
} else {
CHECK_EQ("managed", property_name);
gin::Handle<ManagedStorageArea> handle = gin::CreateHandle(
isolate,
new ManagedStorageArea(request_handler, type_refs, access_checker));
object = handle.ToV8().As<v8::Object>();
}
return object;
}
void StorageArea::HandleFunctionCall(const std::string& method_name,
gin::Arguments* arguments) {
v8::Isolate* isolate = arguments->isolate();
v8::HandleScope handle_scope(isolate);
v8::Local<v8::Context> context = arguments->GetHolderCreationContext();
// The context may have been invalidated, as in the case where this could be
// a reference to an object from a removed frame.
if (!binding::IsContextValidOrThrowError(context))
return;
std::string full_method_name = "storage." + method_name;
if (!access_checker_->HasAccessOrThrowError(context, full_method_name))
return;
std::vector<v8::Local<v8::Value>> argument_list = arguments->GetAll();
std::unique_ptr<base::ListValue> converted_arguments;
v8::Local<v8::Function> callback;
std::string error;
const APISignature* signature = type_refs_->GetTypeMethodSignature(
base::StringPrintf("%s.%s", "storage.StorageArea", method_name.c_str()));
DCHECK(signature);
if (!signature->ParseArgumentsToJSON(context, argument_list, *type_refs_,
&converted_arguments, &callback,
&error)) {
arguments->ThrowTypeError("Invalid invocation");
return;
}
converted_arguments->Insert(0u, std::make_unique<base::Value>(name_));
request_handler_->StartRequest(
context, full_method_name, std::move(converted_arguments), callback,
v8::Local<v8::Function>(), binding::RequestThread::UI);
}
} // namespace extensions
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