2016-08-19 11:47:32 +00:00
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// Copyright (c) 2016 GitHub, Inc.
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// Use of this source code is governed by the MIT license that can be
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// found in the LICENSE file.
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#include "atom/renderer/atom_sandboxed_renderer_client.h"
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2016-08-21 10:30:21 +00:00
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#include "atom/common/api/api_messages.h"
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2017-03-21 13:41:23 +00:00
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#include "atom/common/api/atom_bindings.h"
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2016-08-21 10:30:21 +00:00
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#include "atom/common/native_mate_converters/string16_converter.h"
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#include "atom/common/native_mate_converters/value_converter.h"
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2018-01-06 15:58:24 +00:00
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#include "atom/common/node_bindings.h"
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2016-08-21 10:30:21 +00:00
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#include "atom/common/options_switches.h"
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#include "atom/renderer/api/atom_api_renderer_ipc.h"
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2018-03-09 09:31:09 +00:00
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#include "atom/renderer/atom_render_frame_observer.h"
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2018-07-30 01:13:42 +00:00
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#include "base/base_paths.h"
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2016-08-21 10:30:21 +00:00
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#include "base/command_line.h"
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2018-03-07 16:40:00 +00:00
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#include "base/files/file_path.h"
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2018-07-30 01:13:42 +00:00
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#include "base/path_service.h"
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2018-08-21 18:05:45 +00:00
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#include "base/process/process_handle.h"
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2016-12-08 01:33:28 +00:00
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#include "chrome/renderer/printing/print_web_view_helper.h"
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2016-08-21 10:30:21 +00:00
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#include "content/public/renderer/render_frame.h"
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2017-02-20 13:59:39 +00:00
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#include "native_mate/dictionary.h"
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2018-07-20 16:08:18 +00:00
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#include "third_party/blink/public/web/blink.h"
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2018-09-19 11:10:26 +00:00
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#include "third_party/blink/public/web/web_document.h"
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2016-08-21 10:30:21 +00:00
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2017-04-27 07:56:47 +00:00
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#include "atom/common/node_includes.h"
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#include "atom_natives.h" // NOLINT: This file is generated with js2c
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2016-08-19 11:47:32 +00:00
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namespace atom {
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2016-08-21 10:30:21 +00:00
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namespace {
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2018-09-13 00:25:56 +00:00
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const char kIpcKey[] = "ipcNative";
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const char kModuleCacheKey[] = "native-module-cache";
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2017-02-20 13:59:39 +00:00
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2018-03-22 07:15:57 +00:00
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bool IsDevTools(content::RenderFrame* render_frame) {
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2018-04-18 01:55:30 +00:00
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return render_frame->GetWebFrame()->GetDocument().Url().ProtocolIs(
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"chrome-devtools");
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2018-03-22 07:15:57 +00:00
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}
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2017-02-20 13:59:39 +00:00
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v8::Local<v8::Object> GetModuleCache(v8::Isolate* isolate) {
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mate::Dictionary global(isolate, isolate->GetCurrentContext()->Global());
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v8::Local<v8::Value> cache;
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if (!global.GetHidden(kModuleCacheKey, &cache)) {
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cache = v8::Object::New(isolate);
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global.SetHidden(kModuleCacheKey, cache);
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}
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return cache->ToObject();
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}
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// adapted from node.cc
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v8::Local<v8::Value> GetBinding(v8::Isolate* isolate,
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v8::Local<v8::String> key,
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mate::Arguments* margs) {
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2017-02-20 13:59:39 +00:00
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v8::Local<v8::Object> exports;
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std::string module_key = mate::V8ToString(key);
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mate::Dictionary cache(isolate, GetModuleCache(isolate));
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if (cache.Get(module_key.c_str(), &exports)) {
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return exports;
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}
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2018-04-17 22:41:47 +00:00
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auto* mod = node::get_builtin_module(module_key.c_str());
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2017-02-20 13:59:39 +00:00
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if (!mod) {
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char errmsg[1024];
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snprintf(errmsg, sizeof(errmsg), "No such module: %s", module_key.c_str());
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margs->ThrowError(errmsg);
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return exports;
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}
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exports = v8::Object::New(isolate);
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DCHECK_EQ(mod->nm_register_func, nullptr);
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DCHECK_NE(mod->nm_context_register_func, nullptr);
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mod->nm_context_register_func(exports, v8::Null(isolate),
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isolate->GetCurrentContext(), mod->nm_priv);
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2017-02-20 13:59:39 +00:00
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cache.Set(module_key.c_str(), exports);
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return exports;
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}
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2017-06-26 20:52:19 +00:00
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base::CommandLine::StringVector GetArgv() {
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return base::CommandLine::ForCurrentProcess()->argv();
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}
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2018-07-30 01:13:42 +00:00
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base::FilePath::StringType GetExecPath() {
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base::FilePath path;
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PathService::Get(base::FILE_EXE, &path);
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return path.value();
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}
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2018-07-13 02:17:11 +00:00
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v8::Local<v8::Value> CreatePreloadScript(v8::Isolate* isolate,
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v8::Local<v8::String> preloadSrc) {
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auto script = v8::Script::Compile(preloadSrc);
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auto func = script->Run();
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return func;
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}
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2018-03-09 09:31:09 +00:00
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class AtomSandboxedRenderFrameObserver : public AtomRenderFrameObserver {
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2016-08-21 10:30:21 +00:00
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public:
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2018-03-09 09:31:09 +00:00
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AtomSandboxedRenderFrameObserver(content::RenderFrame* render_frame,
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AtomSandboxedRendererClient* renderer_client)
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: AtomRenderFrameObserver(render_frame, renderer_client),
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renderer_client_(renderer_client) {}
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protected:
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2017-08-21 23:09:28 +00:00
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void EmitIPCEvent(blink::WebLocalFrame* frame,
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2018-08-24 15:30:37 +00:00
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const std::string& channel,
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2018-09-01 01:13:51 +00:00
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const base::ListValue& args,
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int32_t sender_id) override {
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if (!frame)
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return;
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2018-04-17 22:41:47 +00:00
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auto* isolate = blink::MainThreadIsolate();
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2016-08-21 10:30:21 +00:00
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v8::HandleScope handle_scope(isolate);
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2017-06-16 20:42:33 +00:00
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auto context = frame->MainWorldScriptContext();
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v8::Context::Scope context_scope(context);
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2018-04-18 01:55:30 +00:00
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v8::Local<v8::Value> argv[] = {mate::ConvertToV8(isolate, channel),
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2018-09-01 01:13:51 +00:00
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mate::ConvertToV8(isolate, args),
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mate::ConvertToV8(isolate, sender_id)};
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2017-02-20 13:59:39 +00:00
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renderer_client_->InvokeIpcCallback(
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context, "onMessage",
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std::vector<v8::Local<v8::Value>>(argv, argv + node::arraysize(argv)));
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2016-08-21 10:30:21 +00:00
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}
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private:
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AtomSandboxedRendererClient* renderer_client_;
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2018-03-09 09:31:09 +00:00
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DISALLOW_COPY_AND_ASSIGN(AtomSandboxedRenderFrameObserver);
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2016-08-21 10:30:21 +00:00
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};
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} // namespace
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2016-08-19 11:47:32 +00:00
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AtomSandboxedRendererClient::AtomSandboxedRendererClient() {
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2018-01-06 15:58:24 +00:00
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// Explicitly register electron's builtin modules.
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NodeBindings::RegisterBuiltinModules();
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2018-08-21 18:05:45 +00:00
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metrics_ = base::ProcessMetrics::CreateCurrentProcessMetrics();
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2016-08-19 11:47:32 +00:00
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}
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2018-04-18 01:55:30 +00:00
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AtomSandboxedRendererClient::~AtomSandboxedRendererClient() {}
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2016-08-19 11:47:32 +00:00
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2018-08-21 18:05:45 +00:00
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void AtomSandboxedRendererClient::InitializeBindings(
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v8::Local<v8::Object> binding,
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v8::Local<v8::Context> context) {
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auto* isolate = context->GetIsolate();
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mate::Dictionary b(isolate, binding);
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b.SetMethod("get", GetBinding);
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b.SetMethod("createPreloadScript", CreatePreloadScript);
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b.SetMethod("crash", AtomBindings::Crash);
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b.SetMethod("hang", AtomBindings::Hang);
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b.SetMethod("getArgv", GetArgv);
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b.SetMethod("getExecPath", GetExecPath);
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b.SetMethod("getPid", &base::GetCurrentProcId);
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b.SetMethod("getResourcesPath", &NodeBindings::GetHelperResourcesPath);
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b.SetMethod("getHeapStatistics", &AtomBindings::GetHeapStatistics);
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b.SetMethod("getSystemMemoryInfo", &AtomBindings::GetSystemMemoryInfo);
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b.SetMethod("getCPUUsage", base::Bind(&AtomBindings::GetCPUUsage,
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base::Unretained(metrics_.get())));
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b.SetMethod("getIOCounters", &AtomBindings::GetIOCounters);
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// Pass in CLI flags needed to setup the renderer
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base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
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if (command_line->HasSwitch(switches::kGuestInstanceID))
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b.Set(options::kGuestInstanceID,
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command_line->GetSwitchValueASCII(switches::kGuestInstanceID));
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}
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2016-08-21 10:30:21 +00:00
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void AtomSandboxedRendererClient::RenderFrameCreated(
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content::RenderFrame* render_frame) {
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2018-03-09 09:31:09 +00:00
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new AtomSandboxedRenderFrameObserver(render_frame, this);
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2017-03-27 21:31:18 +00:00
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RendererClientBase::RenderFrameCreated(render_frame);
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2016-08-21 10:30:21 +00:00
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}
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void AtomSandboxedRendererClient::RenderViewCreated(
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content::RenderView* render_view) {
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2017-03-27 21:31:18 +00:00
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RendererClientBase::RenderViewCreated(render_view);
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2016-08-21 10:30:21 +00:00
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}
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void AtomSandboxedRendererClient::DidCreateScriptContext(
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2018-04-18 01:55:30 +00:00
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v8::Handle<v8::Context> context,
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content::RenderFrame* render_frame) {
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2018-07-19 04:29:47 +00:00
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RendererClientBase::DidCreateScriptContext(context, render_frame);
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2018-03-22 07:15:57 +00:00
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// Only allow preload for the main frame or
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// For devtools we still want to run the preload_bundle script
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if (!render_frame->IsMainFrame() && !IsDevTools(render_frame))
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2017-11-23 06:25:16 +00:00
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return;
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2018-04-17 22:41:47 +00:00
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auto* isolate = context->GetIsolate();
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2016-08-21 10:30:21 +00:00
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v8::HandleScope handle_scope(isolate);
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v8::Context::Scope context_scope(context);
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// Wrap the bundle into a function that receives the binding object and the
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// preload script path as arguments.
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2018-08-10 22:19:49 +00:00
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std::string left = "(function(binding, require) {\n";
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2018-04-13 12:20:04 +00:00
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std::string right = "\n})";
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2016-08-21 10:30:21 +00:00
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// Compile the wrapper and run it to get the function object
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2018-04-13 12:20:04 +00:00
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auto script = v8::Script::Compile(v8::String::Concat(
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mate::ConvertToV8(isolate, left)->ToString(),
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v8::String::Concat(node::preload_bundle_value.ToStringChecked(isolate),
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mate::ConvertToV8(isolate, right)->ToString())));
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2018-04-18 01:55:30 +00:00
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auto func =
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v8::Handle<v8::Function>::Cast(script->Run(context).ToLocalChecked());
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2016-08-21 10:30:21 +00:00
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// Create and initialize the binding object
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auto binding = v8::Object::New(isolate);
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2017-02-20 13:59:39 +00:00
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InitializeBindings(binding, context);
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2017-03-27 21:31:18 +00:00
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AddRenderBindings(isolate, binding);
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2018-08-10 22:19:49 +00:00
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v8::Local<v8::Value> args[] = {binding};
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2016-08-21 10:30:21 +00:00
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// Execute the function with proper arguments
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2018-08-10 22:19:49 +00:00
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ignore_result(
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func->Call(context, v8::Null(isolate), node::arraysize(args), args));
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2016-08-21 10:30:21 +00:00
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}
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void AtomSandboxedRendererClient::WillReleaseScriptContext(
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2018-04-18 01:55:30 +00:00
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v8::Handle<v8::Context> context,
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content::RenderFrame* render_frame) {
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2017-11-23 06:25:16 +00:00
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// Only allow preload for the main frame
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if (!render_frame->IsMainFrame())
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return;
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2018-04-17 22:41:47 +00:00
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auto* isolate = context->GetIsolate();
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2016-08-21 10:30:21 +00:00
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v8::HandleScope handle_scope(isolate);
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v8::Context::Scope context_scope(context);
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2017-02-20 13:59:39 +00:00
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InvokeIpcCallback(context, "onExit", std::vector<v8::Local<v8::Value>>());
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2016-08-21 10:30:21 +00:00
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}
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2017-02-20 13:59:39 +00:00
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void AtomSandboxedRendererClient::InvokeIpcCallback(
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2016-08-21 10:30:21 +00:00
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v8::Handle<v8::Context> context,
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2017-03-29 19:29:52 +00:00
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const std::string& callback_name,
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2016-08-21 10:30:21 +00:00
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std::vector<v8::Handle<v8::Value>> args) {
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2018-04-17 22:41:47 +00:00
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auto* isolate = context->GetIsolate();
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2017-02-20 13:59:39 +00:00
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auto binding_key = mate::ConvertToV8(isolate, kIpcKey)->ToString();
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2016-08-21 10:30:21 +00:00
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auto private_binding_key = v8::Private::ForApi(isolate, binding_key);
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auto global_object = context->Global();
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v8::Local<v8::Value> value;
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if (!global_object->GetPrivate(context, private_binding_key).ToLocal(&value))
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return;
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if (value.IsEmpty() || !value->IsObject())
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return;
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auto binding = value->ToObject();
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auto callback_key = mate::ConvertToV8(isolate, callback_name)->ToString();
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auto callback_value = binding->Get(callback_key);
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DCHECK(callback_value->IsFunction()); // set by sandboxed_renderer/init.js
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auto callback = v8::Handle<v8::Function>::Cast(callback_value);
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2017-08-16 07:49:22 +00:00
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ignore_result(callback->Call(context, binding, args.size(), args.data()));
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2016-08-21 10:30:21 +00:00
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}
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2016-08-19 11:47:32 +00:00
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} // namespace atom
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