chrome/browser/extensions/browser_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/browser/extensions/browser_permissions_policy_delegate.h"
   6
   7 #include "chrome/browser/browser_process.h"
   8 #include "chrome/browser/profiles/profile.h"
   9 #include "chrome/browser/profiles/profile_manager.h"
  10 #include "content/public/browser/browser_thread.h"
  11 #include "extensions/common/manifest_constants.h"
  12
  13 #if !defined(OS_CHROMEOS)
  14 #include "chrome/browser/signin/signin_manager.h"
  15 #include "chrome/browser/signin/signin_manager_factory.h"
  16 #endif
  17
  18 namespace extensions {
  19
  20 namespace errors = manifest_errors;
  21
  22 BrowserPermissionsPolicyDelegate::BrowserPermissionsPolicyDelegate() {
  23   PermissionsData::SetPolicyDelegate(this);
  24 }
  25 BrowserPermissionsPolicyDelegate::~BrowserPermissionsPolicyDelegate() {
  26   PermissionsData::SetPolicyDelegate(NULL);
  27 }
  28
  29 bool BrowserPermissionsPolicyDelegate::CanExecuteScriptOnPage(
  30     const Extension* extension,
  31     const GURL& document_url,
  32     const GURL& top_document_url,
  33     int tab_id,
  34     const UserScript* script,
  35     int process_id,
  36     std::string* error) {
  37   DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
  38
  39 #if !defined(OS_CHROMEOS)
  40   // NULL in unit tests.
  41   if (!g_browser_process->profile_manager())
  42     return true;
  43
  44   // We don't have a Profile in this context. That's OK - for our purposes,
  45   // we can just check every Profile for its signin process. If any of them
  46   // match, block script access.
  47   std::vector<Profile*> profiles =
  48       g_browser_process->profile_manager()->GetLoadedProfiles();
  49   for (std::vector<Profile*>::iterator profile = profiles.begin();
  50        profile != profiles.end(); ++profile) {
  51     SigninManager* signin_manager =
  52         SigninManagerFactory::GetForProfile(*profile);
  53     if (signin_manager && signin_manager->IsSigninProcess(process_id)) {
  54       if (error)
  55         *error = errors::kCannotScriptSigninPage;
  56       return false;
  57     }
  58   }
  59 #endif
  60
  61   return true;
  62 }
  63
  64 }  // namespace extensions