| // 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. |
| |
| #ifndef NET_DNS_DNS_ALIAS_UTILITY_H_ |
| #define NET_DNS_DNS_ALIAS_UTILITY_H_ |
| |
| #include <set> |
| #include <string> |
| |
| #include "base/strings/string_piece.h" |
| #include "net/base/net_export.h" |
| |
| namespace net::dns_alias_utility { |
| |
| // Returns a fixed up set of canonicalized aliases (i.e. aliases that are |
| // written as hostnames for canonical URLs). The set is stripped of "localhost", |
| // IP addresses, duplicates, the empty string, strings longer than |
| // `dns_protocol::kMaxCharNameLength` characters (with one extra character |
| // allowed for fully-qualified hostnames, i.e. hostnames ending with '.'), and |
| // any strings that fail to URL-canonicalize as hosts. The remaining aliases are |
| // replaced with their canonicalized forms. |
| NET_EXPORT_PRIVATE std::set<std::string> FixUpDnsAliases( |
| const std::set<std::string>& aliases); |
| |
| } // namespace net::dns_alias_utility |
| |
| #endif // NET_DNS_DNS_ALIAS_UTILITY_H_ |