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/common/extensions/manifest_handlers/nacl_modules_handler.h" 6 7 #include "base/lazy_instance.h" 8 #include "base/memory/scoped_ptr.h" 9 #include "base/strings/string_number_conversions.h" 10 #include "base/strings/utf_string_conversions.h" 11 #include "base/values.h" 12 #include "extensions/common/error_utils.h" 13 #include "extensions/common/manifest_constants.h" 14 15 namespace extensions { 16 17 namespace keys = manifest_keys; 18 namespace errors = manifest_errors; 19 20 namespace { 21 22 struct NaClModuleData : Extension::ManifestData { 23 // Optional list of NaCl modules and associated properties. 24 NaClModuleInfo::List nacl_modules_; 25 }; 26 27 } // namespace 28 29 // static 30 const NaClModuleInfo::List* NaClModuleInfo::GetNaClModules( 31 const Extension* extension) { 32 NaClModuleData* data = static_cast<NaClModuleData*>( 33 extension->GetManifestData(keys::kNaClModules)); 34 return data ? &data->nacl_modules_ : NULL; 35 } 36 37 NaClModulesHandler::NaClModulesHandler() { 38 } 39 40 NaClModulesHandler::~NaClModulesHandler() { 41 } 42 43 bool NaClModulesHandler::Parse(Extension* extension, base::string16* error) { 44 const base::ListValue* list_value = NULL; 45 if (!extension->manifest()->GetList(keys::kNaClModules, &list_value)) { 46 *error = base::ASCIIToUTF16(errors::kInvalidNaClModules); 47 return false; 48 } 49 50 scoped_ptr<NaClModuleData> nacl_module_data(new NaClModuleData); 51 52 for (size_t i = 0; i < list_value->GetSize(); ++i) { 53 const base::DictionaryValue* module_value = NULL; 54 if (!list_value->GetDictionary(i, &module_value)) { 55 *error = base::ASCIIToUTF16(errors::kInvalidNaClModules); 56 return false; 57 } 58 59 // Get nacl_modules[i].path. 60 std::string path_str; 61 if (!module_value->GetString(keys::kNaClModulesPath, &path_str)) { 62 *error = ErrorUtils::FormatErrorMessageUTF16( 63 errors::kInvalidNaClModulesPath, base::IntToString(i)); 64 return false; 65 } 66 67 // Get nacl_modules[i].mime_type. 68 std::string mime_type; 69 if (!module_value->GetString(keys::kNaClModulesMIMEType, &mime_type)) { 70 *error = ErrorUtils::FormatErrorMessageUTF16( 71 errors::kInvalidNaClModulesMIMEType, base::IntToString(i)); 72 return false; 73 } 74 75 nacl_module_data->nacl_modules_.push_back(NaClModuleInfo()); 76 nacl_module_data->nacl_modules_.back().url = 77 extension->GetResourceURL(path_str); 78 nacl_module_data->nacl_modules_.back().mime_type = mime_type; 79 } 80 81 extension->SetManifestData(keys::kNaClModules, nacl_module_data.release()); 82 return true; 83 } 84 85 const std::vector<std::string> NaClModulesHandler::Keys() const { 86 return SingleKey(keys::kNaClModules); 87 } 88 89 } // namespace extensions 90
