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/renderer/extensions/renderer_permissions_policy_delegate.h"
6
7 #include "base/command_line.h"
8 #include "chrome/common/chrome_switches.h"
9 #include "chrome/common/extensions/extension_constants.h"
10 #include "extensions/common/constants.h"
11 #include "extensions/common/extensions_client.h"
12 #include "extensions/common/manifest_constants.h"
13 #include "extensions/common/switches.h"
14 #include "extensions/renderer/dispatcher.h"
15
16 namespace extensions {
17
18 namespace errors = manifest_errors;
19
RendererPermissionsPolicyDelegate(Dispatcher * dispatcher)20 RendererPermissionsPolicyDelegate::RendererPermissionsPolicyDelegate(
21 Dispatcher* dispatcher) : dispatcher_(dispatcher) {
22 PermissionsData::SetPolicyDelegate(this);
23 }
~RendererPermissionsPolicyDelegate()24 RendererPermissionsPolicyDelegate::~RendererPermissionsPolicyDelegate() {
25 PermissionsData::SetPolicyDelegate(NULL);
26 }
27
CanExecuteScriptOnPage(const Extension * extension,const GURL & document_url,const GURL & top_document_url,int tab_id,int process_id,std::string * error)28 bool RendererPermissionsPolicyDelegate::CanExecuteScriptOnPage(
29 const Extension* extension,
30 const GURL& document_url,
31 const GURL& top_document_url,
32 int tab_id,
33 int process_id,
34 std::string* error) {
35 const ExtensionsClient::ScriptingWhitelist& whitelist =
36 ExtensionsClient::Get()->GetScriptingWhitelist();
37 if (std::find(whitelist.begin(), whitelist.end(), extension->id()) !=
38 whitelist.end()) {
39 return true;
40 }
41
42 CommandLine* command_line = CommandLine::ForCurrentProcess();
43 if (command_line->HasSwitch(::switches::kSigninProcess)) {
44 if (error)
45 *error = errors::kCannotScriptSigninPage;
46 return false;
47 }
48
49 // TODO(thestig): Remove scaffolding once this file no longer builds with
50 // extensions disabled.
51 #if defined(ENABLE_EXTENSIONS)
52 if (dispatcher_->IsExtensionActive(extensions::kWebStoreAppId)) {
53 if (error)
54 *error = errors::kCannotScriptGallery;
55 return false;
56 }
57 #endif
58
59 return true;
60 }
61
62 } // namespace extensions
63