chrome/common/extensions/extension_process_policy.cc

   1 // Copyright (c) 2012 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/common/extensions/extension_process_policy.h"
   6
   7 #include "chrome/common/extensions/extension_set.h"
   8
   9 namespace extensions {
  10
  11 const extensions::Extension* GetNonBookmarkAppExtension(
  12     const ExtensionSet& extensions, const ExtensionURLInfo& url) {
  13   // Exclude bookmark apps, which do not use the app process model.
  14   const extensions::Extension* extension =
  15       extensions.GetExtensionOrAppByURL(url);
  16   if (extension && extension->from_bookmark())
  17     extension = NULL;
  18   return extension;
  19 }
  20
  21 bool CrossesExtensionProcessBoundary(
  22     const ExtensionSet& extensions,
  23     const ExtensionURLInfo& old_url,
  24     const ExtensionURLInfo& new_url,
  25     bool should_consider_workaround) {
  26   const extensions::Extension* old_url_extension = GetNonBookmarkAppExtension(
  27       extensions,
  28       old_url);
  29   const extensions::Extension* new_url_extension = GetNonBookmarkAppExtension(
  30       extensions,
  31       new_url);
  32
  33   // TODO(creis): Temporary workaround for crbug.com/59285: Do not swap process
  34   // to navigate from a hosted app to a normal page or another hosted app
  35   // (unless either is the web store).  This is because some OAuth providers
  36   // use non-app popups that communicate with non-app iframes inside the app
  37   // (e.g., Facebook).  This would require out-of-process iframes to support.
  38   // See http://crbug.com/99379.
  39   // Note that we skip this exception for isolated apps, which require strict
  40   // process separation from non-app pages.
  41   if (should_consider_workaround) {
  42     bool old_url_is_hosted_app = old_url_extension &&
  43         !old_url_extension->web_extent().is_empty() &&
  44         !old_url_extension->is_storage_isolated();
  45     bool new_url_is_normal_or_hosted = !new_url_extension ||
  46         (!new_url_extension->web_extent().is_empty() &&
  47         !new_url_extension->is_storage_isolated());
  48     bool either_is_web_store =
  49         (old_url_extension &&
  50         old_url_extension->id() == extension_misc::kWebStoreAppId) ||
  51         (new_url_extension &&
  52         new_url_extension->id() == extension_misc::kWebStoreAppId);
  53     if (old_url_is_hosted_app &&
  54         new_url_is_normal_or_hosted &&
  55         !either_is_web_store)
  56       return false;
  57   }
  58
  59   return old_url_extension != new_url_extension;
  60 }
  61
  62 }  // namespace extensions