mirror of
https://github.com/OpenVPN/openvpn3.git
synced 2024-09-20 04:02:15 +02:00
68 lines
2.4 KiB
C++
68 lines
2.4 KiB
C++
// OpenVPN -- An application to securely tunnel IP networks
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// over a single port, with support for SSL/TLS-based
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// session authentication and key exchange,
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// packet encryption, packet authentication, and
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// packet compression.
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//
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// Copyright (C) 2012-2022 OpenVPN Inc.
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License Version 3
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// as published by the Free Software Foundation.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program in the COPYING file.
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// If not, see <http://www.gnu.org/licenses/>.
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#pragma once
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#include <string>
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#include <regex>
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namespace openvpn::HTTP {
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inline std::string headers_redact(const std::string &headers)
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{
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#ifdef OPENVPN_HTTP_HEADERS_NO_REDACT
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return headers;
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#else
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// Alternative regex implementation:
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// static const std::regex re(R"((authorization[\s:=]+basic\s+)([^\s]+))", std::regex_constants::ECMAScript | std::regex_constants::icase);
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// return std::regex_replace(headers, re, "$1[REDACTED]");
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std::stringstream result;
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std::istringstream iss(headers);
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for (std::string line; std::getline(iss, line);)
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{
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if (auto authpos = line.find("Authorization: "); authpos != std::string::npos)
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{
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auto auth = line.substr(authpos);
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auto argument = auth.substr(auth.find(' ') + 1);
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std::string authtype;
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if (auto arg1 = argument.find(' '); arg1 != std::string::npos)
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{
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authtype = argument.substr(0, arg1);
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}
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result << line.substr(0, authpos) << "Authorization: " << authtype << " [REDACTED]\r" << std::endl;
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}
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else if ((authpos = line.find("authorization=basic ")) != std::string::npos)
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{
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result << line.substr(0, authpos) << "authorization=basic [REDACTED]\r" << std::endl;
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}
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else
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{
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result << line << std::endl;
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}
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}
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return result.str();
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#endif
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}
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} // namespace openvpn::HTTP
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