52 lines
2.1 KiB
C#
52 lines
2.1 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Threading.Tasks;
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using System.Data;
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using System.Data.SqlClient;
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namespace SecureCore.Services
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{
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public static class UserDataService
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{
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//
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public static int UserNameMaxLength { get; } = 64;
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public static (bool IsValid, string Message) IsUsernameValid(string userName)
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{
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if (userName.Length > UserNameMaxLength) return (false, $"Username too long, must not exceed {UserNameMaxLength} characters.");
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var invalidChars = new List<char>();
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foreach(var c in userName)
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if (char.IsPunctuation(c) || char.IsSymbol(c) || char.IsControl(c) || char.IsSeparator(c) || char.IsWhiteSpace(c)) invalidChars.Add(c);
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if (invalidChars.Count > 0) return (false, $"The character(s) '{string.Join(",", invalidChars)}' are not allowed in a user name.");
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return (true, string.Empty);
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}
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public static int RegisterNewUser(string userName, string email, string passwordHash, string saltHash, string sessionToken, DateTime expirationDate, string userAgent, string ipAddress, string connectionString)
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{
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using var connection = new SqlConnection(connectionString);
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using var command = new SqlCommand("RegisterNewUser", connection) { CommandType = CommandType.StoredProcedure };
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command.Parameters.AddWithValue("UserName", userName);
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command.Parameters.AddWithValue("Email", email);
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command.Parameters.AddWithValue("Password", passwordHash);
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command.Parameters.AddWithValue("Salt", saltHash);
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command.Parameters.AddWithValue("SessionToken", sessionToken);
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command.Parameters.AddWithValue("ExpirationDate", expirationDate);
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command.Parameters.AddWithValue("UserAgent", userAgent);
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command.Parameters.AddWithValue("IpAddress", ipAddress);
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connection.Open();
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var result = command.ExecuteScalar();
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return Convert.ToInt32(result);
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}
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}
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}
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