1 // Copyright 2014 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 "extensions/common/features/permission_feature.h"
6
7 #include "extensions/common/permissions/permission_set.h"
8 #include "extensions/common/permissions/permissions_data.h"
9
10 namespace extensions {
11
PermissionFeature()12 PermissionFeature::PermissionFeature() {
13 }
14
~PermissionFeature()15 PermissionFeature::~PermissionFeature() {
16 }
17
IsAvailableToContext(const Extension * extension,Feature::Context context,const GURL & url,Feature::Platform platform) const18 Feature::Availability PermissionFeature::IsAvailableToContext(
19 const Extension* extension,
20 Feature::Context context,
21 const GURL& url,
22 Feature::Platform platform) const {
23 Availability availability = SimpleFeature::IsAvailableToContext(extension,
24 context,
25 url,
26 platform);
27 if (!availability.is_available())
28 return availability;
29
30 if (extension && !extension->permissions_data()->HasAPIPermission(name()))
31 return CreateAvailability(NOT_PRESENT, extension->GetType());
32
33 return CreateAvailability(IS_AVAILABLE);
34 }
35
Parse(const base::DictionaryValue * value)36 std::string PermissionFeature::Parse(const base::DictionaryValue* value) {
37 std::string error = SimpleFeature::Parse(value);
38 if (!error.empty())
39 return error;
40
41 if (extension_types()->empty()) {
42 return name() + ": Permission features must specify at least one " +
43 "value for extension_types.";
44 }
45
46 if (value->HasKey("contexts"))
47 return name() + ": Permission features do not support contexts.";
48
49 return std::string();
50 }
51
52 } // namespace extensions
53