| // Copyright 2014 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/runtime_custom_bindings.h" |
| |
| #include <stdint.h> |
| |
| #include <memory> |
| |
| #include "base/bind.h" |
| #include "base/values.h" |
| #include "content/public/child/v8_value_converter.h" |
| #include "content/public/renderer/render_frame.h" |
| #include "extensions/common/extension.h" |
| #include "extensions/common/extension_messages.h" |
| #include "extensions/common/manifest.h" |
| #include "extensions/renderer/extension_frame_helper.h" |
| #include "extensions/renderer/script_context.h" |
| #include "third_party/WebKit/public/web/WebLocalFrame.h" |
| |
| namespace extensions { |
| |
| RuntimeCustomBindings::RuntimeCustomBindings(ScriptContext* context) |
| : ObjectBackedNativeHandler(context) { |
| RouteFunction( |
| "GetManifest", |
| base::Bind(&RuntimeCustomBindings::GetManifest, base::Unretained(this))); |
| RouteFunction("OpenChannelToExtension", "runtime.connect", |
| base::Bind(&RuntimeCustomBindings::OpenChannelToExtension, |
| base::Unretained(this))); |
| RouteFunction("OpenChannelToNativeApp", "runtime.connectNative", |
| base::Bind(&RuntimeCustomBindings::OpenChannelToNativeApp, |
| base::Unretained(this))); |
| RouteFunction("GetExtensionViews", |
| base::Bind(&RuntimeCustomBindings::GetExtensionViews, |
| base::Unretained(this))); |
| } |
| |
| RuntimeCustomBindings::~RuntimeCustomBindings() { |
| } |
| |
| void RuntimeCustomBindings::OpenChannelToExtension( |
| const v8::FunctionCallbackInfo<v8::Value>& args) { |
| // Get the current RenderFrame so that we can send a routed IPC message from |
| // the correct source. |
| content::RenderFrame* renderframe = context()->GetRenderFrame(); |
| if (!renderframe) |
| return; |
| |
| // The Javascript code should validate/fill the arguments. |
| CHECK_EQ(args.Length(), 3); |
| CHECK(args[0]->IsString() && args[1]->IsString() && args[2]->IsBoolean()); |
| |
| ExtensionMsg_ExternalConnectionInfo info; |
| |
| // For messaging APIs, hosted apps should be considered a web page so hide |
| // its extension ID. |
| const Extension* extension = context()->extension(); |
| if (extension && !extension->is_hosted_app()) |
| info.source_id = extension->id(); |
| |
| info.target_id = *v8::String::Utf8Value(args[0]); |
| info.source_url = context()->url(); |
| std::string channel_name = *v8::String::Utf8Value(args[1]); |
| bool include_tls_channel_id = |
| args.Length() > 2 ? args[2]->BooleanValue() : false; |
| int port_id = -1; |
| // TODO(devlin): This file is littered with sync IPCs. Yuck. |
| renderframe->Send(new ExtensionHostMsg_OpenChannelToExtension( |
| renderframe->GetRoutingID(), info, channel_name, include_tls_channel_id, |
| &port_id)); |
| args.GetReturnValue().Set(static_cast<int32_t>(port_id)); |
| } |
| |
| void RuntimeCustomBindings::OpenChannelToNativeApp( |
| const v8::FunctionCallbackInfo<v8::Value>& args) { |
| // The Javascript code should validate/fill the arguments. |
| CHECK_EQ(args.Length(), 1); |
| CHECK(args[0]->IsString()); |
| |
| // Verify that the extension has permission to use native messaging. |
| if (!context()->GetAvailability("runtime.connectNative").is_available()) |
| return; |
| |
| content::RenderFrame* render_frame = context()->GetRenderFrame(); |
| if (!render_frame) |
| return; |
| |
| const std::string& extension_id = context()->GetExtensionID(); |
| // Should be caught by JS. |
| CHECK(!extension_id.empty()); |
| |
| std::string native_app_name = *v8::String::Utf8Value(args[0]); |
| |
| int port_id = -1; |
| render_frame->Send(new ExtensionHostMsg_OpenChannelToNativeApp( |
| render_frame->GetRoutingID(), extension_id, native_app_name, &port_id)); |
| args.GetReturnValue().Set(static_cast<int32_t>(port_id)); |
| } |
| |
| void RuntimeCustomBindings::GetManifest( |
| const v8::FunctionCallbackInfo<v8::Value>& args) { |
| CHECK(context()->extension()); |
| |
| std::unique_ptr<content::V8ValueConverter> converter( |
| content::V8ValueConverter::create()); |
| args.GetReturnValue().Set(converter->ToV8Value( |
| context()->extension()->manifest()->value(), context()->v8_context())); |
| } |
| |
| void RuntimeCustomBindings::GetExtensionViews( |
| const v8::FunctionCallbackInfo<v8::Value>& args) { |
| CHECK_EQ(args.Length(), 2); |
| CHECK(args[0]->IsInt32()); |
| CHECK(args[1]->IsString()); |
| |
| // |browser_window_id| == extension_misc::kUnknownWindowId means getting |
| // all views for the current extension. |
| int browser_window_id = args[0]->Int32Value(); |
| |
| std::string view_type_string = |
| base::ToUpperASCII(*v8::String::Utf8Value(args[1])); |
| // |view_type| == VIEW_TYPE_INVALID means getting any type of |
| // views. |
| ViewType view_type = VIEW_TYPE_INVALID; |
| if (view_type_string == kViewTypeBackgroundPage) { |
| view_type = VIEW_TYPE_EXTENSION_BACKGROUND_PAGE; |
| } else if (view_type_string == kViewTypeTabContents) { |
| view_type = VIEW_TYPE_TAB_CONTENTS; |
| } else if (view_type_string == kViewTypePopup) { |
| view_type = VIEW_TYPE_EXTENSION_POPUP; |
| } else if (view_type_string == kViewTypeExtensionDialog) { |
| view_type = VIEW_TYPE_EXTENSION_DIALOG; |
| } else if (view_type_string == kViewTypeAppWindow) { |
| view_type = VIEW_TYPE_APP_WINDOW; |
| } else if (view_type_string == kViewTypeLauncherPage) { |
| view_type = VIEW_TYPE_LAUNCHER_PAGE; |
| } else if (view_type_string == kViewTypePanel) { |
| view_type = VIEW_TYPE_PANEL; |
| } else { |
| CHECK_EQ(view_type_string, kViewTypeAll); |
| } |
| |
| const std::string& extension_id = context()->GetExtensionID(); |
| if (extension_id.empty()) |
| return; |
| |
| std::vector<content::RenderFrame*> frames = |
| ExtensionFrameHelper::GetExtensionFrames(extension_id, browser_window_id, |
| view_type); |
| v8::Local<v8::Context> v8_context = args.GetIsolate()->GetCurrentContext(); |
| v8::Local<v8::Array> v8_views = v8::Array::New(args.GetIsolate()); |
| int v8_index = 0; |
| for (content::RenderFrame* frame : frames) { |
| // We filter out iframes here. GetExtensionViews should only return the |
| // main views, not any subframes. (Returning subframes can cause broken |
| // behavior by treating an app window's iframe as its main frame, and maybe |
| // other nastiness). |
| blink::WebFrame* web_frame = frame->GetWebFrame(); |
| if (web_frame->top() != web_frame) |
| continue; |
| |
| if (!blink::WebFrame::scriptCanAccess(web_frame)) |
| continue; |
| |
| v8::Local<v8::Context> context = web_frame->mainWorldScriptContext(); |
| if (!context.IsEmpty()) { |
| v8::Local<v8::Value> window = context->Global(); |
| CHECK(!window.IsEmpty()); |
| v8::Maybe<bool> maybe = |
| v8_views->CreateDataProperty(v8_context, v8_index++, window); |
| CHECK(maybe.IsJust() && maybe.FromJust()); |
| } |
| } |
| |
| args.GetReturnValue().Set(v8_views); |
| } |
| |
| } // namespace extensions |