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// Copyright (c) 2013 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/app_isolation_info.h"
#include <stddef.h>
#include <memory>
#include "base/strings/string16.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"
#include "extensions/common/manifest_handlers/permissions_parser.h"
#include "extensions/common/permissions/api_permission_set.h"
namespace extensions {
namespace keys = manifest_keys;
AppIsolationInfo::AppIsolationInfo(bool isolated_storage)
: has_isolated_storage(isolated_storage) {
}
AppIsolationInfo::~AppIsolationInfo() {
}
// static
bool AppIsolationInfo::HasIsolatedStorage(const Extension* extension) {
AppIsolationInfo* info = static_cast<AppIsolationInfo*>(
extension->GetManifestData(keys::kIsolation));
return info ? info->has_isolated_storage : false;
}
AppIsolationHandler::AppIsolationHandler() {
}
AppIsolationHandler::~AppIsolationHandler() {
}
bool AppIsolationHandler::Parse(Extension* extension, base::string16* error) {
// Platform apps always get isolated storage.
if (extension->is_platform_app()) {
extension->SetManifestData(keys::kIsolation,
std::make_unique<AppIsolationInfo>(true));
return true;
}
// Other apps only get it if it is requested _and_ experimental APIs are
// enabled.
if (!extension->is_app() ||
!PermissionsParser::HasAPIPermission(extension,
APIPermission::kExperimental)) {
return true;
}
// We should only be parsing if the extension has the key in the manifest,
// or is a platform app (which we already handled).
DCHECK(extension->manifest()->HasPath(keys::kIsolation));
const base::Value* isolation_list = nullptr;
if (!extension->manifest()->GetList(keys::kIsolation, &isolation_list)) {
*error = base::ASCIIToUTF16(manifest_errors::kInvalidIsolation);
return false;
}
bool has_isolated_storage = false;
const base::Value::ListStorage& list_storage = isolation_list->GetList();
for (size_t i = 0; i < list_storage.size(); ++i) {
if (!list_storage[i].is_string()) {
*error = ErrorUtils::FormatErrorMessageUTF16(
manifest_errors::kInvalidIsolationValue, base::NumberToString(i));
return false;
}
const std::string& isolation_string = list_storage[i].GetString();
// Check for isolated storage.
if (isolation_string == manifest_values::kIsolatedStorage) {
has_isolated_storage = true;
} else {
DLOG(WARNING) << "Did not recognize isolation type: " << isolation_string;
}
}
if (has_isolated_storage)
extension->SetManifestData(keys::kIsolation,
std::make_unique<AppIsolationInfo>(true));
return true;
}
bool AppIsolationHandler::AlwaysParseForType(Manifest::Type type) const {
return type == Manifest::TYPE_PLATFORM_APP;
}
base::span<const char* const> AppIsolationHandler::Keys() const {
static constexpr const char* kKeys[] = {keys::kIsolation};
return kKeys;
}
} // namespace extensions
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