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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "extensions/common/manifest_handlers/nacl_modules_handler.h"
#include <stddef.h>
#include "base/lazy_instance.h"
#include "base/memory/scoped_ptr.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/utf_string_conversions.h"
#include "base/values.h"
#include "extensions/common/error_utils.h"
#include "extensions/common/manifest_constants.h"
namespace extensions {
namespace keys = manifest_keys;
namespace errors = manifest_errors;
namespace {
struct NaClModuleData : Extension::ManifestData {
// Optional list of NaCl modules and associated properties.
NaClModuleInfo::List nacl_modules_;
};
} // namespace
// static
const NaClModuleInfo::List* NaClModuleInfo::GetNaClModules(
const Extension* extension) {
NaClModuleData* data = static_cast<NaClModuleData*>(
extension->GetManifestData(keys::kNaClModules));
return data ? &data->nacl_modules_ : NULL;
}
NaClModulesHandler::NaClModulesHandler() {
}
NaClModulesHandler::~NaClModulesHandler() {
}
bool NaClModulesHandler::Parse(Extension* extension, base::string16* error) {
const base::ListValue* list_value = NULL;
if (!extension->manifest()->GetList(keys::kNaClModules, &list_value)) {
*error = base::ASCIIToUTF16(errors::kInvalidNaClModules);
return false;
}
scoped_ptr<NaClModuleData> nacl_module_data(new NaClModuleData);
for (size_t i = 0; i < list_value->GetSize(); ++i) {
const base::DictionaryValue* module_value = NULL;
if (!list_value->GetDictionary(i, &module_value)) {
*error = base::ASCIIToUTF16(errors::kInvalidNaClModules);
return false;
}
// Get nacl_modules[i].path.
std::string path_str;
if (!module_value->GetString(keys::kNaClModulesPath, &path_str)) {
*error = ErrorUtils::FormatErrorMessageUTF16(
errors::kInvalidNaClModulesPath, base::SizeTToString(i));
return false;
}
// Get nacl_modules[i].mime_type.
std::string mime_type;
if (!module_value->GetString(keys::kNaClModulesMIMEType, &mime_type)) {
*error = ErrorUtils::FormatErrorMessageUTF16(
errors::kInvalidNaClModulesMIMEType, base::SizeTToString(i));
return false;
}
nacl_module_data->nacl_modules_.push_back(NaClModuleInfo());
nacl_module_data->nacl_modules_.back().url =
extension->GetResourceURL(path_str);
nacl_module_data->nacl_modules_.back().mime_type = mime_type;
}
extension->SetManifestData(keys::kNaClModules, nacl_module_data.release());
return true;
}
const std::vector<std::string> NaClModulesHandler::Keys() const {
return SingleKey(keys::kNaClModules);
}
} // namespace extensions
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