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/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 "extensions/common/error_utils.h" 12 #include "extensions/common/extension.h" 13 #include "extensions/common/extension_icon_set.h" 14 #include "extensions/common/manifest_constants.h" 15 16 17 namespace extensions { 18 19 namespace errors = manifest_errors; 20 21 namespace manifest_handler_helpers { 22 23 bool NormalizeAndValidatePath(std::string* path) { 24 size_t first_non_slash = path->find_first_not_of('/'); 25 if (first_non_slash == std::string::npos) { 26 *path = ""; 27 return false; 28 } 29 30 *path = path->substr(first_non_slash); 31 return true; 32 } 33 34 bool LoadIconsFromDictionary(const base::DictionaryValue* icons_value, 35 const int* icon_sizes, 36 size_t num_icon_sizes, 37 ExtensionIconSet* icons, 38 base::string16* error) { 39 DCHECK(icons); 40 for (size_t i = 0; i < num_icon_sizes; ++i) { 41 std::string key = base::IntToString(icon_sizes[i]); 42 if (icons_value->HasKey(key)) { 43 std::string icon_path; 44 if (!icons_value->GetString(key, &icon_path)) { 45 *error = ErrorUtils::FormatErrorMessageUTF16( 46 errors::kInvalidIconPath, key); 47 return false; 48 } 49 50 if (!NormalizeAndValidatePath(&icon_path)) { 51 *error = ErrorUtils::FormatErrorMessageUTF16( 52 errors::kInvalidIconPath, key); 53 return false; 54 } 55 56 icons->Add(icon_sizes[i], icon_path); 57 } 58 } 59 return true; 60 } 61 62 } // namespace manifest_handler_helpers 63 64 } // namespace extensions 65