using System;
using System.IO;
using Npgsql.Util;
namespace Npgsql
{
static class PostgresEnvironment
{
public static string? User => Environment.GetEnvironmentVariable("PGUSER");
public static string? Password => Environment.GetEnvironmentVariable("PGPASSWORD");
public static string? PassFile => Environment.GetEnvironmentVariable("PGPASSFILE");
public static string? PassFileDefault => GetDefaultFilePath(PGUtil.IsWindows ? "pgpass.conf" : ".pgpass");
public static string? SslCert => Environment.GetEnvironmentVariable("PGSSLCERT");
public static string? SslCertDefault => GetDefaultFilePath("postgresql.crt");
public static string? ClientEncoding => Environment.GetEnvironmentVariable("PGCLIENTENCODING");
public static string? TimeZone => Environment.GetEnvironmentVariable("PGTZ");
static string? GetDefaultFilePath(string fileName) =>
Environment.GetEnvironmentVariable(PGUtil.IsWindows ? "APPDATA" : "HOME") is string appData
? Path.Combine(appData, "postgresql", fileName)
: null;
}
}