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/manifest_handler_helpers.h" 6 7 #include "base/logging.h" 8 #include "base/strings/string_number_conversions.h" 9 #include "base/strings/utf_string_conversions.h" 10 #include "base/values.h" 11 #include "chrome/common/extensions/extension.h" 12 #include "chrome/common/extensions/extension_icon_set.h" 13 #include "chrome/common/extensions/extension_manifest_constants.h" 14 #include "extensions/common/error_utils.h" 15 16 namespace errors = extension_manifest_errors; 17 18 namespace extensions { 19 namespace manifest_handler_helpers { 20 21 bool NormalizeAndValidatePath(std::string* path) { 22 size_t first_non_slash = path->find_first_not_of('/'); 23 if (first_non_slash == std::string::npos) { 24 *path = ""; 25 return false; 26 } 27 28 *path = path->substr(first_non_slash); 29 return true; 30 } 31 32 bool LoadIconsFromDictionary(const base::DictionaryValue* icons_value, 33 const int* icon_sizes, 34 size_t num_icon_sizes, 35 ExtensionIconSet* icons, 36 string16* error) { 37 DCHECK(icons); 38 for (size_t i = 0; i < num_icon_sizes; ++i) { 39 std::string key = base::IntToString(icon_sizes[i]); 40 if (icons_value->HasKey(key)) { 41 std::string icon_path; 42 if (!icons_value->GetString(key, &icon_path)) { 43 *error = ErrorUtils::FormatErrorMessageUTF16( 44 errors::kInvalidIconPath, key); 45 return false; 46 } 47 48 if (!NormalizeAndValidatePath(&icon_path)) { 49 *error = ErrorUtils::FormatErrorMessageUTF16( 50 errors::kInvalidIconPath, key); 51 return false; 52 } 53 54 icons->Add(icon_sizes[i], icon_path); 55 } 56 } 57 return true; 58 } 59 60 } // namespace extensions 61 } // namespace manifest_handler_extensions 62
