1 // Copyright (c) 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/browser/extensions/external_component_loader.h" 6 7 #include "base/command_line.h" 8 #include "base/sha1.h" 9 #include "base/strings/string_number_conversions.h" 10 #include "chrome/browser/bookmarks/enhanced_bookmarks_features.h" 11 #include "chrome/browser/browser_process.h" 12 #include "chrome/browser/search/hotword_service_factory.h" 13 #include "chrome/browser/signin/signin_manager_factory.h" 14 #include "chrome/common/chrome_switches.h" 15 #include "chrome/common/extensions/extension_constants.h" 16 #include "components/signin/core/browser/signin_manager.h" 17 #include "extensions/common/extension_urls.h" 18 19 namespace extensions { 20 ExternalComponentLoader(Profile * profile)21ExternalComponentLoader::ExternalComponentLoader(Profile* profile) 22 : profile_(profile) { 23 } 24 ~ExternalComponentLoader()25ExternalComponentLoader::~ExternalComponentLoader() {} 26 27 // static IsModifiable(const Extension * extension)28bool ExternalComponentLoader::IsModifiable(const Extension* extension) { 29 if (extension->location() == Manifest::EXTERNAL_COMPONENT) { 30 static const char* enhanced_extension_hashes[] = { 31 "D5736E4B5CF695CB93A2FB57E4FDC6E5AFAB6FE2", // http://crbug.com/312900 32 "D57DE394F36DC1C3220E7604C575D29C51A6C495", // http://crbug.com/319444 33 "3F65507A3B39259B38C8173C6FFA3D12DF64CCE9" // http://crbug.com/371562 34 }; 35 std::string hash = base::SHA1HashString(extension->id()); 36 hash = base::HexEncode(hash.c_str(), hash.length()); 37 for (size_t i = 0; i < arraysize(enhanced_extension_hashes); i++) 38 if (hash == enhanced_extension_hashes[i]) 39 return true; 40 } 41 return false; 42 } 43 StartLoading()44void ExternalComponentLoader::StartLoading() { 45 prefs_.reset(new base::DictionaryValue()); 46 std::string appId = extension_misc::kInAppPaymentsSupportAppId; 47 prefs_->SetString(appId + ".external_update_url", 48 extension_urls::GetWebstoreUpdateUrl().spec()); 49 50 if (HotwordServiceFactory::IsHotwordAllowed(profile_)) { 51 std::string hotwordId = extension_misc::kHotwordExtensionId; 52 CommandLine* command_line = CommandLine::ForCurrentProcess(); 53 if (command_line->HasSwitch(switches::kEnableExperimentalHotwording)) { 54 hotwordId = extension_misc::kHotwordSharedModuleId; 55 } 56 prefs_->SetString(hotwordId + ".external_update_url", 57 extension_urls::GetWebstoreUpdateUrl().spec()); 58 } 59 60 InitBookmarksExperimentState(profile_); 61 62 std::string ext_id; 63 if (GetBookmarksExperimentExtensionID(profile_->GetPrefs(), &ext_id) && 64 !ext_id.empty()) { 65 prefs_->SetString(ext_id + ".external_update_url", 66 extension_urls::GetWebstoreUpdateUrl().spec()); 67 } 68 69 LoadFinished(); 70 } 71 72 } // namespace extensions 73