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// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "convert_explicitly_allowed_network_ports_pref.h"
#include <string>
#include "base/logging.h"
#include "base/strings/string_number_conversions.h"
#include "base/values.h"
#include "chrome/common/pref_names.h"
#include "components/prefs/pref_service.h"
std::vector<uint16_t> ConvertExplicitlyAllowedNetworkPortsPref(
PrefService* local_state) {
std::vector<uint16_t> explicitly_allowed_network_ports;
const base::Value::List& explicitly_allowed_network_ports_list =
local_state->GetList(prefs::kExplicitlyAllowedNetworkPorts);
if (explicitly_allowed_network_ports_list.empty()) {
return explicitly_allowed_network_ports;
}
explicitly_allowed_network_ports.reserve(
explicitly_allowed_network_ports_list.size());
for (const base::Value& value : explicitly_allowed_network_ports_list) {
const std::optional<int> optional_int = value.GetIfInt();
if (!optional_int) {
// We handle this case because prefs can be corrupt, but it shouldn't
// happen normally.
DLOG(WARNING) << "Ignoring non-int value";
continue;
}
const int int_value = optional_int.value();
if (int_value < 1 || int_value > 65535) {
// Out of range for a port number. Ignored.
DLOG(WARNING) << "Ignoring out-of-range value: " << int_value;
continue;
}
explicitly_allowed_network_ports.push_back(
static_cast<uint16_t>(int_value));
}
return explicitly_allowed_network_ports;
}
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