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// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "extensions/renderer/dom_activity_logger.h"
#include <memory>
#include <utility>
#include "content/public/renderer/render_frame.h"
#include "content/public/renderer/v8_value_converter.h"
#include "extensions/common/dom_action_types.h"
#include "extensions/common/extension_id.h"
#include "extensions/renderer/activity_log_converter_strategy.h"
#include "extensions/renderer/extension_frame_helper.h"
#include "extensions/renderer/script_context.h"
#include "extensions/renderer/script_context_set.h"
#include "ipc/ipc_sync_channel.h"
#include "third_party/blink/public/platform/web_string.h"
#include "third_party/blink/public/platform/web_url.h"
#include "v8/include/v8-isolate.h"
using blink::WebString;
using blink::WebURL;
namespace extensions {
namespace {
// Converts the given |v8_value| and appends it to the given |list|, if the
// conversion succeeds.
void AppendV8Value(v8::Isolate* isolate,
const std::string& api_name,
const v8::Local<v8::Value>& v8_value,
base::Value::List& list) {
std::unique_ptr<content::V8ValueConverter> converter =
content::V8ValueConverter::Create();
ActivityLogConverterStrategy strategy;
converter->SetFunctionAllowed(true);
converter->SetStrategy(&strategy);
std::unique_ptr<base::Value> value(
converter->FromV8Value(v8_value, isolate->GetCurrentContext()));
if (value)
list.Append(base::Value::FromUniquePtrValue(std::move(value)));
}
} // namespace
DOMActivityLogger::DOMActivityLogger(const ExtensionId& extension_id)
: extension_id_(extension_id) {
// TODO(crbug.com/414486674): upgrade to CHECK once we ensure that validation
// is always working.
DCHECK(!extension_id_.empty());
}
DOMActivityLogger::~DOMActivityLogger() = default;
void DOMActivityLogger::AttachToWorld(int32_t world_id,
const ExtensionId& extension_id) {
// If there is no logger registered for world_id, construct a new logger
// and register it with world_id.
if (!blink::HasDOMActivityLogger(world_id,
WebString::FromUTF8(extension_id))) {
DOMActivityLogger* logger = new DOMActivityLogger(extension_id);
blink::SetDOMActivityLogger(world_id, WebString::FromUTF8(extension_id),
logger);
}
}
void DOMActivityLogger::LogGetter(v8::Isolate* isolate,
v8::Local<v8::Context> context,
const WebString& api_name,
const WebURL& url,
const WebString& title) {
auto* renderer_host = GetRendererHost(context);
if (!renderer_host) {
return;
}
renderer_host->AddDOMActionToActivityLog(
extension_id_, api_name.Utf8(), base::Value::List(), url, title.Utf16(),
DomActionType::GETTER);
}
void DOMActivityLogger::LogSetter(v8::Isolate* isolate,
v8::Local<v8::Context> context,
const WebString& api_name,
const v8::Local<v8::Value>& new_value,
const WebURL& url,
const WebString& title) {
auto* renderer_host = GetRendererHost(context);
if (!renderer_host) {
return;
}
base::Value::List args;
std::string api_name_utf8 = api_name.Utf8();
AppendV8Value(isolate, api_name_utf8, new_value, args);
renderer_host->AddDOMActionToActivityLog(extension_id_, api_name_utf8,
std::move(args), url, title.Utf16(),
DomActionType::SETTER);
}
void DOMActivityLogger::LogMethod(v8::Isolate* isolate,
v8::Local<v8::Context> context,
const WebString& api_name,
base::span<const v8::Local<v8::Value>> argv,
const WebURL& url,
const WebString& title) {
auto* renderer_host = GetRendererHost(context);
if (!renderer_host) {
return;
}
base::Value::List args;
std::string api_name_utf8 = api_name.Utf8();
for (const auto& arg : argv) {
AppendV8Value(isolate, api_name_utf8, arg, args);
}
renderer_host->AddDOMActionToActivityLog(extension_id_, api_name_utf8,
std::move(args), url, title.Utf16(),
DomActionType::METHOD);
}
void DOMActivityLogger::LogEvent(blink::WebLocalFrame& frame,
const WebString& event_name,
base::span<const WebString> argv,
const WebURL& url,
const WebString& title) {
base::Value::List args;
std::string event_name_utf8 = event_name.Utf8();
for (const auto& arg : argv) {
args.Append(arg.Utf8());
}
ExtensionFrameHelper::Get(content::RenderFrame::FromWebFrame(&frame))
->GetRendererHost()
->AddDOMActionToActivityLog(extension_id_, event_name_utf8,
std::move(args), url, title.Utf16(),
DomActionType::METHOD);
}
mojom::RendererHost* DOMActivityLogger::GetRendererHost(
v8::Local<v8::Context> context) {
ScriptContext* script_context =
ScriptContextSet::GetContextByV8Context(context);
if (!script_context) {
return nullptr;
}
auto* frame = script_context->GetRenderFrame();
if (!frame) {
return nullptr;
}
return ExtensionFrameHelper::Get(frame)->GetRendererHost();
}
} // namespace extensions
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