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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/api_activity_logger.h"
#include <stddef.h>
#include <string>
#include <utility>
#include "base/functional/bind.h"
#include "content/public/renderer/v8_value_converter.h"
#include "extensions/renderer/activity_log_converter_strategy.h"
#include "extensions/renderer/dispatcher.h"
#include "extensions/renderer/extensions_renderer_client.h"
#include "extensions/renderer/ipc_message_sender.h"
#include "extensions/renderer/script_context.h"
#include "extensions/renderer/worker_script_context_set.h"
#include "extensions/renderer/worker_thread_util.h"
#include "v8/include/v8-container.h"
#include "v8/include/v8-function-callback.h"
#include "v8/include/v8-isolate.h"
#include "v8/include/v8-primitive.h"
namespace extensions {
namespace {
bool g_log_for_testing = false;
ScriptContext* GetContextByV8Context(v8::Local<v8::Context> context) {
if (worker_thread_util::IsWorkerThread()) {
return Dispatcher::GetWorkerScriptContextSet()->GetContextByV8Context(
context);
}
return ScriptContextSet::GetContextByV8Context(context);
}
} // namespace
APIActivityLogger::APIActivityLogger(IPCMessageSender* ipc_sender,
ScriptContext* context)
: ObjectBackedNativeHandler(context), ipc_sender_(ipc_sender) {}
APIActivityLogger::~APIActivityLogger() = default;
void APIActivityLogger::AddRoutes() {
RouteHandlerFunction(
"LogEvent",
base::BindRepeating(&APIActivityLogger::LogForJS, base::Unretained(this),
IPCMessageSender::ActivityLogCallType::EVENT));
RouteHandlerFunction(
"LogAPICall",
base::BindRepeating(&APIActivityLogger::LogForJS, base::Unretained(this),
IPCMessageSender::ActivityLogCallType::APICALL));
}
// static
bool APIActivityLogger::IsLoggingEnabled() {
const Dispatcher* dispatcher =
ExtensionsRendererClient::Get()->GetDispatcher();
return (dispatcher && // dispatcher can be null in unittests.
dispatcher->activity_logging_enabled()) ||
g_log_for_testing;
}
// static
void APIActivityLogger::LogAPICall(
IPCMessageSender* ipc_sender,
v8::Local<v8::Context> context,
const std::string& call_name,
const v8::LocalVector<v8::Value>& arguments) {
if (!IsLoggingEnabled())
return;
ScriptContext* script_context = GetContextByV8Context(context);
if (!script_context)
return;
std::unique_ptr<content::V8ValueConverter> converter =
content::V8ValueConverter::Create();
ActivityLogConverterStrategy strategy;
converter->SetFunctionAllowed(true);
converter->SetStrategy(&strategy);
base::Value::List value_args;
value_args.reserve(arguments.size());
// TODO(devlin): This doesn't protect against custom properties, so it might
// not perfectly reflect the passed arguments.
for (const auto& arg : arguments) {
std::unique_ptr<base::Value> converted_arg =
converter->FromV8Value(arg, context);
if (!converted_arg)
converted_arg = std::make_unique<base::Value>();
value_args.Append(
base::Value::FromUniquePtrValue(std::move(converted_arg)));
}
ipc_sender->SendActivityLogIPC(script_context->GetExtensionID(),
IPCMessageSender::ActivityLogCallType::APICALL,
call_name, std::move(value_args),
/*extra=*/std::string());
}
void APIActivityLogger::LogEvent(IPCMessageSender* ipc_sender,
ScriptContext* script_context,
const std::string& event_name,
base::Value::List arguments) {
if (!IsLoggingEnabled())
return;
ipc_sender->SendActivityLogIPC(script_context->GetExtensionID(),
IPCMessageSender::ActivityLogCallType::EVENT,
event_name, std::move(arguments),
/*extra=*/std::string());
}
void APIActivityLogger::set_log_for_testing(bool log) {
g_log_for_testing = log;
}
void APIActivityLogger::LogForJS(
const IPCMessageSender::ActivityLogCallType call_type,
const v8::FunctionCallbackInfo<v8::Value>& args) {
CHECK_GT(args.Length(), 2);
CHECK(args[0]->IsString());
CHECK(args[1]->IsString());
CHECK(args[2]->IsArray());
if (!IsLoggingEnabled())
return;
v8::Isolate* isolate = args.GetIsolate();
v8::HandleScope handle_scope(isolate);
v8::Local<v8::Context> context = isolate->GetCurrentContext();
std::string extension_id = *v8::String::Utf8Value(isolate, args[0]);
std::string call_name = *v8::String::Utf8Value(isolate, args[1]);
std::string extra;
if (args.Length() == 4) { // Extras are optional.
CHECK(args[3]->IsString());
extra = *v8::String::Utf8Value(isolate, args[3]);
}
// Get the array of call arguments.
base::Value::List arguments;
v8::Local<v8::Array> arg_array = v8::Local<v8::Array>::Cast(args[2]);
if (arg_array->Length() > 0) {
arguments.reserve(arg_array->Length());
std::unique_ptr<content::V8ValueConverter> converter =
content::V8ValueConverter::Create();
ActivityLogConverterStrategy strategy;
converter->SetFunctionAllowed(true);
converter->SetStrategy(&strategy);
for (size_t i = 0; i < arg_array->Length(); ++i) {
// TODO(crbug.com/913942): Possibly replace ToLocalChecked here with
// actual error handling.
std::unique_ptr<base::Value> converted_arg = converter->FromV8Value(
arg_array->Get(context, i).ToLocalChecked(), context);
if (!converted_arg)
converted_arg = std::make_unique<base::Value>();
arguments.Append(
base::Value::FromUniquePtrValue(std::move(converted_arg)));
}
}
ipc_sender_->SendActivityLogIPC(extension_id, call_type, call_name,
std::move(arguments), extra);
}
} // namespace extensions
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