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// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/policy/core/common/policy_migrator.h"
#include <algorithm>
#include <utility>
#include "base/functional/bind.h"
#include "base/logging.h"
#include "base/strings/utf_string_conversions.h"
#include "components/policy/core/common/policy_logger.h"
#include "components/strings/grit/components_strings.h"
#include "ui/base/l10n/l10n_util.h"
namespace policy {
namespace {
void DoNothing(base::Value* val) {}
} // namespace
PolicyMigrator::~PolicyMigrator() = default;
void PolicyMigrator::CopyPolicyIfUnset(PolicyMap& source,
PolicyMap* dest,
const Migration& migration) {
PolicyMap::Entry* entry = source.GetMutable(migration.old_name);
if (entry) {
if (!dest->Get(migration.new_name)) {
VLOG_POLICY(3, POLICY_PROCESSING)
<< "Legacy policy '" << migration.old_name << "' has been copied to '"
<< migration.new_name << "'.";
auto new_entry = entry->DeepCopy();
migration.transform.Run(new_entry.value_unsafe());
new_entry.AddMessage(PolicyMap::MessageType::kWarning,
IDS_POLICY_MIGRATED_NEW_POLICY,
{base::UTF8ToUTF16(migration.old_name)});
dest->Set(migration.new_name, std::move(new_entry));
} else {
VLOG_POLICY(3, POLICY_PROCESSING)
<< "Legacy policy '" << migration.old_name << "' is ignored because '"
<< migration.new_name << "' is also set. ";
}
entry->AddMessage(PolicyMap::MessageType::kError,
IDS_POLICY_MIGRATED_OLD_POLICY,
{base::UTF8ToUTF16(migration.new_name)});
} else {
VLOG_POLICY(3, POLICY_PROCESSING)
<< "Legacy policy '" << migration.old_name << "' is not set.";
}
}
PolicyMigrator::Migration::Migration(Migration&&) = default;
PolicyMigrator::Migration::Migration(const char* old_name, const char* new_name)
: Migration(old_name, new_name, base::BindRepeating(&DoNothing)) {}
PolicyMigrator::Migration::Migration(const char* old_name,
const char* new_name,
ValueTransform transform)
: old_name(old_name), new_name(new_name), transform(std::move(transform)) {}
PolicyMigrator::Migration::~Migration() = default;
} // namespace policy
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