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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 <memory>
#include "base/lazy_instance.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::Value* list_value = nullptr;
if (!extension->manifest()->GetList(keys::kNaClModules, &list_value)) {
*error = base::ASCIIToUTF16(errors::kInvalidNaClModules);
return false;
}
std::unique_ptr<NaClModuleData> nacl_module_data(new NaClModuleData);
const base::Value::ListStorage& list_storage = list_value->GetList();
for (size_t i = 0; i < list_storage.size(); ++i) {
if (!list_storage[i].is_dict()) {
*error = base::ASCIIToUTF16(errors::kInvalidNaClModules);
return false;
}
// Get nacl_modules[i].path.
const base::Value* path_str = list_storage[i].FindKeyOfType(
keys::kNaClModulesPath, base::Value::Type::STRING);
if (path_str == nullptr) {
*error = ErrorUtils::FormatErrorMessageUTF16(
errors::kInvalidNaClModulesPath, base::NumberToString(i));
return false;
}
// Get nacl_modules[i].mime_type.
const base::Value* mime_type = list_storage[i].FindKeyOfType(
keys::kNaClModulesMIMEType, base::Value::Type::STRING);
if (mime_type == nullptr) {
*error = ErrorUtils::FormatErrorMessageUTF16(
errors::kInvalidNaClModulesMIMEType, base::NumberToString(i));
return false;
}
nacl_module_data->nacl_modules_.push_back(NaClModuleInfo());
nacl_module_data->nacl_modules_.back().url =
extension->GetResourceURL(path_str->GetString());
nacl_module_data->nacl_modules_.back().mime_type = mime_type->GetString();
}
extension->SetManifestData(keys::kNaClModules, std::move(nacl_module_data));
return true;
}
base::span<const char* const> NaClModulesHandler::Keys() const {
static constexpr const char* kKeys[] = {keys::kNaClModules};
#if !defined(__GNUC__) || __GNUC__ > 5
return kKeys;
#else
return base::make_span(kKeys, 1);
#endif
}
} // namespace extensions
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