98 lines
3.5 KiB
C++
98 lines
3.5 KiB
C++
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/*************************************************************************
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*
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* Copyright (c) 2023 Fabian Posch
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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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 General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*
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**************************************************************************
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*/
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#include <iostream>
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#include <sstream>
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#include "util.h"
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#include "cli_util.hpp"
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void get_db_cred_env (db::db_credentials_t& db_cred) {
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// check if a server was given
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if (!db_cred.server_override) {
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if (std::getenv(SERVER_ADDR_ENV) == nullptr) {
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throw std::invalid_argument("No database server set in environment variable " SERVER_ADDR_ENV);
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}
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db_cred.server = std::getenv(SERVER_ADDR_ENV);
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db_cred.server_override = false;
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}
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// check if a port was given
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if (!db_cred.port_override) {
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// if no env variable is set, we use postgresql's default port
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if (std::getenv(SERVER_PORT_ENV) == nullptr) {
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std::cerr << "Warning: No port given in environment variable " SERVER_PORT_ENV ". Using default Postgresql port." << std::endl;
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db_cred.port = POSTGRES_DEFAULT_PORT;
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db_cred.port_override = false;
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// otherwise we try to parse it from the environment variable
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} else {
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std::string port_st = std::getenv(SERVER_PORT_ENV);
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DEBUG_PRINT("Parsing port " + port_st);
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try {
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db_cred.port = std::atoi(port_st.c_str());
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} catch (std::invalid_argument& e) {
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throw std::invalid_argument("Could not parse port from environment variable " SERVER_PORT_ENV);
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}
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// make sure the port is valid
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if (db_cred.port <= 0) {
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throw std::invalid_argument("Port " SERVER_PORT_ENV " given in environment variable is not a valid port.");
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}
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db_cred.port_override = false;
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}
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}
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// check if a user was given
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if (!db_cred.uname_override) {
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if (std::getenv(SERVER_USER_ENV) == nullptr) {
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throw std::invalid_argument("No database user set in environment variable " SERVER_USER_ENV);
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}
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db_cred.uname = std::getenv(SERVER_USER_ENV);
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db_cred.uname_override = false;
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}
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// check if a password was given
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if (!db_cred.pwd_override) {
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if (std::getenv(SERVER_PWD_ENV) == nullptr) {
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throw std::invalid_argument("No database password set in environment variable " SERVER_PWD_ENV);
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}
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db_cred.pwd = std::getenv(SERVER_PWD_ENV);
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db_cred.pwd_override = false;
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}
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// check if a database was given
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if (!db_cred.dbase_override) {
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if (std::getenv(SERVER_DBASE_ENV) == nullptr) {
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throw std::invalid_argument("No database set in environment variable " SERVER_DBASE_ENV);
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}
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db_cred.dbase = std::getenv(SERVER_DBASE_ENV);
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db_cred.dbase_override = false;
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}
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}
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