sync_helper.cc revision 46d4c2bc3267f3f028f39e7e311b0f89aba2e4fd 
12a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// Copyright 2013 The Chromium Authors. All rights reserved.
22a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be
32a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// found in the LICENSE file.
42a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)
52a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "chrome/common/extensions/sync_helper.h"
62a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)
72a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "base/logging.h"
8a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)#include "chrome/common/extensions/api/plugins/plugins_handler.h"
9a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)#include "chrome/common/extensions/extension_constants.h"
10a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)#include "chrome/common/extensions/manifest_url_handler.h"
11a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)#include "extensions/common/extension.h"
12a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)#include "extensions/common/manifest.h"
13a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)#include "extensions/common/permissions/permissions_data.h"
142a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)
152a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)namespace extensions {
162a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)namespace sync_helper {
17a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)
18namespace {
19
20enum SyncType {
21  SYNC_TYPE_NONE = 0,
22  SYNC_TYPE_EXTENSION,
23  SYNC_TYPE_APP
24};
25
26SyncType GetSyncType(const Extension* extension) {
27  if (!IsSyncable(extension)) {
28    // We have a non-standard location.
29    return SYNC_TYPE_NONE;
30  }
31
32  // Disallow extensions with non-gallery auto-update URLs for now.
33  //
34  // TODO(akalin): Relax this restriction once we've put in UI to
35  // approve synced extensions.
36  if (!ManifestURL::GetUpdateURL(extension).is_empty() &&
37      !ManifestURL::UpdatesFromGallery(extension)) {
38    return SYNC_TYPE_NONE;
39  }
40
41  // Disallow extensions with native code plugins.
42  //
43  // TODO(akalin): Relax this restriction once we've put in UI to
44  // approve synced extensions.
45  if (PluginInfo::HasPlugins(extension) ||
46      extension->permissions_data()->HasAPIPermission(APIPermission::kPlugin)) {
47    return SYNC_TYPE_NONE;
48  }
49
50  switch (extension->GetType()) {
51    case Manifest::TYPE_EXTENSION:
52      return SYNC_TYPE_EXTENSION;
53
54    case Manifest::TYPE_USER_SCRIPT:
55      // We only want to sync user scripts with gallery update URLs.
56      if (ManifestURL::UpdatesFromGallery(extension))
57        return SYNC_TYPE_EXTENSION;
58      return SYNC_TYPE_NONE;
59
60    case Manifest::TYPE_HOSTED_APP:
61    case Manifest::TYPE_LEGACY_PACKAGED_APP:
62    case Manifest::TYPE_PLATFORM_APP:
63      return SYNC_TYPE_APP;
64
65    case Manifest::TYPE_UNKNOWN:
66    // Confusingly, themes are actually synced.
67    // TODO(yoz): Make this look less inconsistent.
68    case Manifest::TYPE_THEME:
69    case Manifest::TYPE_SHARED_MODULE:
70      return SYNC_TYPE_NONE;
71
72    case Manifest::NUM_LOAD_TYPES:
73      NOTREACHED();
74  }
75  NOTREACHED();
76  return SYNC_TYPE_NONE;
77}
78
79}  // namespace
80
81bool IsSyncable(const Extension* extension) {
82  // TODO(akalin): Figure out if we need to allow some other types.
83
84  // Default apps are not synced because otherwise they will pollute profiles
85  // that don't already have them. Specially, if a user doesn't have default
86  // apps, creates a new profile (which get default apps) and then enables sync
87  // for it, then their profile everywhere gets the default apps.
88  bool is_syncable = (extension->location() == Manifest::INTERNAL &&
89                      !extension->was_installed_by_default());
90  // Sync the chrome web store to maintain its position on the new tab page.
91  is_syncable |= (extension->id() == extension_misc::kWebStoreAppId);
92  // Sync the chrome component app to maintain its position on the app list.
93  is_syncable |= (extension->id() == extension_misc::kChromeAppId);
94  return is_syncable;
95}
96
97bool IsSyncableExtension(const Extension* extension) {
98  return GetSyncType(extension) == SYNC_TYPE_EXTENSION;
99}
100
101bool IsSyncableApp(const Extension* extension) {
102  return GetSyncType(extension) == SYNC_TYPE_APP;
103}
104
105}  // namespace sync_helper
106}  // namespace extensions
107