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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
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53
Task/SQL-based-authentication/C-sharp/sql-based-authentication-3.cs Normal file
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using System;
using MySql.Data.MySqlClient;
namespace rosettaMySQL
{
class Program
{
public static MySqlConnection ConnectDB(string server, int port, string db,
string username, string password)
{
var connectStr = $"server={server};" +
$"user={username};" +
$"database={db};" +
$"port={port};" +
$"password={password}";
return new MySqlConnection(connectStr);
}
static void Main(string[] args)
{
try
{
var connection = ConnectDB("localhost", 3306, "test", "root", "password");
connection.Open();
var userOperator = new UserOperator(connection);
Console.WriteLine("Bob has been created: " + userOperator.CreateUser("Bob", "123456"));
Console.WriteLine("Bob has been duplicated: " + userOperator.CreateUser("Bob", "123456"));
Console.WriteLine("Wrong password works: " + userOperator.AuthenticateUser("BOB", "notpassword"));
Console.WriteLine("Right password works: " + userOperator.AuthenticateUser("BOB", "123456"));
}
catch(MySqlException e)
{
switch(e.Number)
{
case 0:
Console.WriteLine("Cannot connect to server");
break;
case 1045:
Console.WriteLine("Invalid database username/password");
break;
default:
Console.WriteLine(e.ToString());
Console.WriteLine(e.Number);
break;
}
}
catch (Exception e)
{
Console.WriteLine(e.ToString());
}
}
}
}