Extract ExtensionRequestSender from SchemaGeneratedBindings.

chrome/renderer/extensions/extension_dispatcher.cc

 // Copyright (c) 2012 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 "chrome/renderer/extensions/extension_dispatcher.h"
 
 #include "base/callback.h"
 #include "base/command_line.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/string_piece.h"
 #include "chrome/common/child_process_logging.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/extensions/api/extension_api.h"
 #include "chrome/common/extensions/extension.h"
 #include "chrome/common/extensions/extension_messages.h"
 #include "chrome/common/extensions/extension_permission_set.h"
 #include "chrome/common/url_constants.h"
 #include "chrome/renderer/chrome_render_process_observer.h"
 #include "chrome/renderer/extensions/app_bindings.h"
 #include "chrome/renderer/extensions/chrome_v8_context.h"
 #include "chrome/renderer/extensions/chrome_v8_extension.h"
 #include "chrome/renderer/extensions/context_menus_custom_bindings.h"
 #include "chrome/renderer/extensions/event_bindings.h"
 #include "chrome/renderer/extensions/experimental.socket_custom_bindings.h"
 #include "chrome/renderer/extensions/extension_custom_bindings.h"
 #include "chrome/renderer/extensions/extension_groups.h"
+#include "chrome/renderer/extensions/extension_request_sender.h"
 #include "chrome/renderer/extensions/file_browser_handler_custom_bindings.h"
 #include "chrome/renderer/extensions/file_browser_private_custom_bindings.h"
 #include "chrome/renderer/extensions/i18n_custom_bindings.h"
 #include "chrome/renderer/extensions/miscellaneous_bindings.h"
 #include "chrome/renderer/extensions/page_actions_custom_bindings.h"
 #include "chrome/renderer/extensions/page_capture_custom_bindings.h"
 #include "chrome/renderer/extensions/schema_generated_bindings.h"
 #include "chrome/renderer/extensions/tabs_custom_bindings.h"
 #include "chrome/renderer/extensions/tts_custom_bindings.h"
 #include "chrome/renderer/extensions/user_script_slave.h"
@@ skipping 109 matching lines @@
   is_extension_process_ =
       command_line.HasSwitch(switches::kExtensionProcess) ||
       command_line.HasSwitch(switches::kSingleProcess);
 
   if (is_extension_process_) {
     RenderThread::Get()->SetIdleNotificationDelayInMs(
         kInitialExtensionIdleHandlerDelayMs);
   }
 
   user_script_slave_.reset(new UserScriptSlave(&extensions_));
+  request_sender_.reset(new ExtensionRequestSender(this, &v8_context_set_));
   PopulateSourceMap();
   PopulateLazyBindingsMap();
 }
 
 ExtensionDispatcher::~ExtensionDispatcher() {
 }
 
 bool ExtensionDispatcher::OnControlMessageReceived(
     const IPC::Message& message) {
   bool handled = true;
@@ skipping 188 matching lines @@
   return true;
 }
 
 void ExtensionDispatcher::RegisterNativeHandlers(ModuleSystem* module_system,
                                                  ChromeV8Context* context) {
   module_system->RegisterNativeHandler("event_bindings",
       scoped_ptr<NativeHandler>(EventBindings::Get(this)));
   module_system->RegisterNativeHandler("miscellaneous_bindings",
       scoped_ptr<NativeHandler>(MiscellaneousBindings::Get(this)));
   module_system->RegisterNativeHandler("schema_generated_bindings",
-      scoped_ptr<NativeHandler>(new SchemaGeneratedBindings(this)));
+      scoped_ptr<NativeHandler>(
+          new SchemaGeneratedBindings(this, request_sender_.get())));
 
   // Custom bindings.
   module_system->RegisterNativeHandler("app",
       scoped_ptr<NativeHandler>(new AppBindings(this, context)));
   module_system->RegisterNativeHandler("context_menus",
       scoped_ptr<NativeHandler>(new ContextMenusCustomBindings()));
   module_system->RegisterNativeHandler("extension",
       scoped_ptr<NativeHandler>(
           new ExtensionCustomBindings(this)));
   module_system->RegisterNativeHandler("experimental_socket",
@@ skipping 374 matching lines @@
     return Feature::BLESSED_EXTENSION_CONTEXT;
 
   if (extensions_.ExtensionBindingsAllowed(url_info))
     return Feature::UNBLESSED_EXTENSION_CONTEXT;
 
   if (url_info.url().is_valid())
     return Feature::WEB_PAGE_CONTEXT;
 
   return Feature::UNSPECIFIED_CONTEXT;
 }
+
+void ExtensionDispatcher::OnExtensionResponse(int request_id,
+                                              bool success,
+                                              const std::string& response,
+                                              const std::string& error) {
+  request_sender_->HandleResponse(request_id, success, response, error);
+}
+
+bool ExtensionDispatcher::CheckCurrentContextAccessToExtensionAPI(
+    const std::string& function_name) const {
+  ChromeV8Context* context = v8_context_set().GetCurrent();
+  if (!context) {
+    DLOG(ERROR) << "Not in a v8::Context";
+    return false;
+  }
+
+  const ::Extension* extension = NULL;
+  if (!context->extension_id().empty()) {
+    extension = extensions()->GetByID(context->extension_id());
+  }
+
+  if (!extension || !extension->HasAPIPermission(function_name)) {
+    static const char kMessage[] =
+        "You do not have permission to use '%s'. Be sure to declare"
+        " in your manifest what permissions you need.";
+    std::string error_msg = base::StringPrintf(kMessage, function_name.c_str());
+    v8::ThrowException(
+        v8::Exception::Error(v8::String::New(error_msg.c_str())));
+    return false;
+  }
+
+  if (!IsExtensionActive(extension->id()) &&
+      ExtensionAPI::GetInstance()->IsPrivileged(function_name)) {
+    static const char kMessage[] =
+        "%s can only be used in an extension process.";
+    std::string error_msg = base::StringPrintf(kMessage, function_name.c_str());
+    v8::ThrowException(
+        v8::Exception::Error(v8::String::New(error_msg.c_str())));
+    return false;
+  }
+
+  return true;
+}