chrome/renderer/extensions/renderer_permissions_policy_delegate.cc

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/renderer/extensions/renderer_permissions_policy_delegate.h"
   6
   7 #include "chrome/common/extensions/extension_constants.h"
   8 #include "extensions/common/constants.h"
   9 #include "extensions/common/extensions_client.h"
  10 #include "extensions/common/manifest_constants.h"
  11 #include "extensions/common/switches.h"
  12 #include "extensions/renderer/dispatcher.h"
  13
  14 namespace extensions {
  15
  16 namespace errors = manifest_errors;
  17
  18 RendererPermissionsPolicyDelegate::RendererPermissionsPolicyDelegate(
  19     Dispatcher* dispatcher) : dispatcher_(dispatcher) {
  20   PermissionsData::SetPolicyDelegate(this);
  21 }
  22 RendererPermissionsPolicyDelegate::~RendererPermissionsPolicyDelegate() {
  23   PermissionsData::SetPolicyDelegate(NULL);
  24 }
  25
  26 bool RendererPermissionsPolicyDelegate::CanExecuteScriptOnPage(
  27     const Extension* extension,
  28     const GURL& document_url,
  29     const GURL& top_document_url,
  30     int tab_id,
  31     int process_id,
  32     std::string* error) {
  33   const ExtensionsClient::ScriptingWhitelist& whitelist =
  34       ExtensionsClient::Get()->GetScriptingWhitelist();
  35   if (std::find(whitelist.begin(), whitelist.end(), extension->id()) !=
  36       whitelist.end()) {
  37     return true;
  38   }
  39
  40   if (dispatcher_->IsExtensionActive(kWebStoreAppId)) {
  41     if (error)
  42       *error = errors::kCannotScriptGallery;
  43     return false;
  44   }
  45
  46   return true;
  47 }
  48
  49 }  // namespace extensions