chrome/common/extensions/sync_helper.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/common/extensions/sync_helper.h"
   6
   7 #include "base/logging.h"
   8 #include "chrome/common/extensions/api/plugins/plugins_handler.h"
   9 #include "chrome/common/extensions/extension_constants.h"
  10 #include "extensions/common/constants.h"
  11 #include "extensions/common/extension.h"
  12 #include "extensions/common/features/behavior_feature.h"
  13 #include "extensions/common/features/feature_provider.h"
  14 #include "extensions/common/manifest.h"
  15 #include "extensions/common/manifest_url_handlers.h"
  16 #include "extensions/common/permissions/permissions_data.h"
  17
  18 namespace extensions {
  19 namespace sync_helper {
  20
  21 bool IsSyncable(const Extension* extension) {
  22   if (FeatureProvider::GetBehaviorFeature(BehaviorFeature::kDoNotSync)
  23           ->IsAvailableToExtension(extension)
  24           .is_available()) {
  25     return false;
  26   }
  27
  28   // Default apps are not synced because otherwise they will pollute profiles
  29   // that don't already have them. Specially, if a user doesn't have default
  30   // apps, creates a new profile (which get default apps) and then enables sync
  31   // for it, then their profile everywhere gets the default apps.
  32   bool is_syncable = (extension->location() == Manifest::INTERNAL &&
  33                       !extension->was_installed_by_default());
  34   if (!is_syncable && !IsSyncableComponentExtension(extension)) {
  35     // We have a non-standard location.
  36     return false;
  37   }
  38
  39   // Disallow extensions with non-gallery auto-update URLs for now.
  40   //
  41   // TODO(akalin): Relax this restriction once we've put in UI to
  42   // approve synced extensions.
  43   if (!ManifestURL::GetUpdateURL(extension).is_empty() &&
  44       !ManifestURL::UpdatesFromGallery(extension)) {
  45     return false;
  46   }
  47
  48   // Disallow extensions with native code plugins.
  49   //
  50   // TODO(akalin): Relax this restriction once we've put in UI to
  51   // approve synced extensions.
  52   if (PluginInfo::HasPlugins(extension) ||
  53       extension->permissions_data()->HasAPIPermission(APIPermission::kPlugin)) {
  54     return false;
  55   }
  56
  57   switch (extension->GetType()) {
  58     case Manifest::TYPE_EXTENSION:
  59     case Manifest::TYPE_HOSTED_APP:
  60     case Manifest::TYPE_LEGACY_PACKAGED_APP:
  61     case Manifest::TYPE_PLATFORM_APP:
  62     case Manifest::TYPE_THEME:
  63       return true;
  64
  65     case Manifest::TYPE_USER_SCRIPT:
  66       // We only want to sync user scripts with gallery update URLs.
  67       if (ManifestURL::UpdatesFromGallery(extension))
  68         return true;
  69       return false;
  70
  71     case Manifest::TYPE_UNKNOWN:
  72     case Manifest::TYPE_SHARED_MODULE:
  73       return false;
  74
  75     case Manifest::NUM_LOAD_TYPES:
  76       NOTREACHED();
  77   }
  78   NOTREACHED();
  79   return false;
  80 }
  81
  82 bool IsSyncableComponentExtension(const Extension* extension) {
  83   if (!Manifest::IsComponentLocation(extension->location()))
  84     return false;
  85   return (extension->id() == extensions::kWebStoreAppId) ||
  86          (extension->id() == extension_misc::kChromeAppId);
  87 }
  88
  89 }  // namespace sync_helper
  90 }  // namespace extensions