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// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/policy/chrome_extension_policy_migrator.h"
#include <algorithm>
#include "base/logging.h"
#include "components/strings/grit/components_strings.h"
#include "extensions/common/hashed_extension_id.h"
namespace policy {
void ChromeExtensionPolicyMigrator::CopyPoliciesIfUnset(
PolicyBundle* bundle,
const std::string& hashed_extension_id,
base::span<const Migration> migrations) {
// HashedExtensionId gives an all-uppercase output, so make sure the input is
// all uppercase.
std::string hashed_extension_id_uppercase = hashed_extension_id;
std::ranges::transform(hashed_extension_id_uppercase,
hashed_extension_id_uppercase.begin(), ::toupper);
// Look for an extension with this hash.
PolicyMap* extension_map = nullptr;
for (auto& policy : *bundle) {
const PolicyNamespace& policy_namespace = policy.first;
if (policy_namespace.domain == PolicyDomain::POLICY_DOMAIN_EXTENSIONS &&
extensions::HashedExtensionId(policy_namespace.component_id).value() ==
hashed_extension_id_uppercase) {
extension_map = &policy.second;
break;
}
}
if (extension_map == nullptr || extension_map->empty()) {
VLOG(3) << "Extension with hashed id '" << hashed_extension_id_uppercase
<< "' not installed. Aborting policy migration.";
return;
}
PolicyMap& chrome_map = bundle->Get(PolicyNamespace(
PolicyDomain::POLICY_DOMAIN_CHROME, /* component_id */ std::string()));
for (const auto& migration : migrations) {
CopyPolicyIfUnset(*extension_map, &chrome_map, migration);
}
}
} // namespace policy
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