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115 lines
2.8 KiB
115 lines
2.8 KiB
#include "webfuse/ws/config.hpp"
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#include "webfuse/util/commandline_reader.hpp"
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#include <cctype>
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#include <algorithm>
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#include <iostream>
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namespace
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{
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constexpr int const default_port = 8081;
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constexpr char const default_vhost_name[] = "localhost";
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void verify(webfuse::ws_config & config)
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{
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if (config.cmd == webfuse::command::run)
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{
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if ((config.use_tls) && ((config.key_path.empty()) || (config.cert_path.empty())))
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{
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std::cerr << "error: use of TLS requires both, key ander certificate path" << std::endl;
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config.cmd = webfuse::command::show_help;
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config.exit_code = EXIT_FAILURE;
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}
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}
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}
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bool get_arg(webfuse::ws_config & config, webfuse::commandline_reader& reader, std::string & value, std::string const error_message)
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{
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const bool has_next = reader.next();
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if (has_next)
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{
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value = reader.current();
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}
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else
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{
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std::cerr << "error: " << error_message << std::endl;
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config.cmd = webfuse::command::show_help;
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config.exit_code = EXIT_FAILURE;
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}
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return has_next;
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}
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}
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namespace webfuse
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{
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ws_config::ws_config(int argc, char * argv[])
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: exit_code(EXIT_SUCCESS)
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, args(argv[0], argc)
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, cmd(command::run)
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, port(default_port)
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, vhost_name(default_vhost_name)
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, use_tls(false)
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{
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commandline_reader reader(argc, argv);
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while ((exit_code == EXIT_SUCCESS) && (reader.next()))
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{
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std::string const arg = reader.current();
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if ((arg == "-h") || (arg == "--help"))
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{
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cmd = command::show_help;
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}
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else if (arg == "--wf-port")
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{
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std::string value;
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if (get_arg(*this, reader, value, "missing PORT"))
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{
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port = static_cast<uint16_t>(std::stoi(value));
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}
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}
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else if (arg == "--wf-vhost")
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{
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get_arg(*this, reader, vhost_name, "missing VHOST");
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}
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else if (arg == "--wf-key")
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{
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if (get_arg(*this, reader, key_path, "missing KEY_PATH"))
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{
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use_tls = true;
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}
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}
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else if (arg == "--wf-cert")
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{
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if (get_arg(*this, reader, cert_path, "missing CERT_PATH"))
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{
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use_tls = true;
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}
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}
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else if (arg == "--wf-authenticator")
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{
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get_arg(*this, reader, authenticator, "missing AUTHENTICATOR");
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}
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else if (arg == "--wf-auth-header")
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{
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if (get_arg(*this, reader, auth_header, "missing AUTH_HEADER"))
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{
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std::transform(auth_header.begin(), auth_header.end(), auth_header.begin(),
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[](auto c) {return std::tolower(c); });
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}
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}
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else
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{
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args.push(arg.c_str());
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}
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}
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verify(*this);
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}
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}
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