add6a82670c7d8503224c2327e03ad7e88025b16
[platform/framework/web/crosswalk.git] / src / 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_constants.h"
8 #include "chrome/common/extensions/manifest_handlers/app_isolation_info.h"
9 #include "extensions/common/extension.h"
10 #include "extensions/common/extension_set.h"
11
12 namespace extensions {
13
14 const extensions::Extension* GetNonBookmarkAppExtension(
15     const ExtensionSet& extensions, const GURL& url) {
16   // Exclude bookmark apps, which do not use the app process model.
17   const extensions::Extension* extension =
18       extensions.GetExtensionOrAppByURL(url);
19   if (extension && extension->from_bookmark())
20     extension = NULL;
21   return extension;
22 }
23
24 bool CrossesExtensionProcessBoundary(
25     const ExtensionSet& extensions,
26     const GURL& old_url,
27     const GURL& new_url,
28     bool should_consider_workaround) {
29   const extensions::Extension* old_url_extension = GetNonBookmarkAppExtension(
30       extensions,
31       old_url);
32   const extensions::Extension* new_url_extension = GetNonBookmarkAppExtension(
33       extensions,
34       new_url);
35
36   // TODO(creis): Temporary workaround for crbug.com/59285: Do not swap process
37   // to navigate from a hosted app to a normal page or another hosted app
38   // (unless either is the web store).  This is because some OAuth providers
39   // use non-app popups that communicate with non-app iframes inside the app
40   // (e.g., Facebook).  This would require out-of-process iframes to support.
41   // See http://crbug.com/99379.
42   // Note that we skip this exception for isolated apps, which require strict
43   // process separation from non-app pages.
44   if (should_consider_workaround) {
45     bool old_url_is_hosted_app = old_url_extension &&
46         !old_url_extension->web_extent().is_empty() &&
47         !AppIsolationInfo::HasIsolatedStorage(old_url_extension);
48     bool new_url_is_normal_or_hosted = !new_url_extension ||
49         (!new_url_extension->web_extent().is_empty() &&
50          !AppIsolationInfo::HasIsolatedStorage(new_url_extension));
51     bool either_is_web_store =
52         (old_url_extension &&
53         old_url_extension->id() == extension_misc::kWebStoreAppId) ||
54         (new_url_extension &&
55         new_url_extension->id() == extension_misc::kWebStoreAppId);
56     if (old_url_is_hosted_app &&
57         new_url_is_normal_or_hosted &&
58         !either_is_web_store)
59       return false;
60   }
61
62   return old_url_extension != new_url_extension;
63 }
64
65 }  // namespace extensions