mirror of
https://github.com/project-redbud/FunGame-Core.git
synced 2025-04-22 03:59:35 +08:00
352 lines
12 KiB
C#
352 lines
12 KiB
C#
using System.Net.NetworkInformation;
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using System.Security.Cryptography;
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using System.Text.Json;
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using System.Text.RegularExpressions;
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using Milimoe.FunGame.Core.Library.Constant;
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// 通用工具类，客户端和服务器端都可以直接调用的工具方法都可以写在这里
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namespace Milimoe.FunGame.Core.Api.Utility
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{
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#region 网络服务
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/// <summary>
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/// 网络服务工具箱
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/// </summary>
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public class NetworkUtility
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{
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/// <summary>
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/// 判断字符串是否是IP地址
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/// </summary>
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/// <param name="str"></param>
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/// <returns></returns>
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public static bool IsIP(string str) => Regex.IsMatch(str, @"^((2[0-4]\d|25[0-5]|[01]?\d\d?)\.){3}(2[0-4]\d|25[0-5]|[01]?\d\d?)$");
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/// <summary>
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/// 判断字符串是否为邮箱地址
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/// </summary>
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/// <param name="str"></param>
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/// <returns></returns>
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public static bool IsEmail(string str) => Regex.IsMatch(str, @"^(\w)+(\.\w)*@(\w)+((\.\w+)+)$");
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/// <summary>
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/// 判断字符串是否是正常的用户名（只有中英文和数字）
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/// </summary>
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/// <param name="str"></param>
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/// <returns></returns>
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public static bool IsUserName(string str) => Regex.IsMatch(str, @"^[\u4e00-\u9fa5A-Za-z0-9]+$");
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/// <summary>
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/// 获取用户名长度
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/// </summary>
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/// <param name="str"></param>
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/// <returns></returns>
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public static int GetUserNameLength(string str)
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{
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int length = 0;
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for (int i = 0; i < str.Length; i++)
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{
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char c = str[i];
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if (c >= 'A' && c <= 'Z' || c >= 'a' && c <= 'z' || c >= '0' && c <= '9') length++;
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else length += 2;
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}
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return length;
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}
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/// <summary>
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/// 判断字符串是否是一个FunGame可接受的服务器地址
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/// </summary>
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/// <param name="str"></param>
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/// <returns></returns>
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public static ErrorType IsServerAddress(string str)
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{
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string[] strs = str.Split(':');
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string ip;
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int port;
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if (strs.Length < 2)
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{
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ip = strs[0];
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port = 22222;
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}
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else if (strs.Length < 3)
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{
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ip = strs[0];
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port = Convert.ToInt32(strs[1]);
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}
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else return ErrorType.WrongFormat;
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if (IsIP(ip) && port > 0 && port < 65536) return ErrorType.None;
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else if (!IsIP(ip) && port > 0 && port < 65536) return ErrorType.IsNotIP;
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else if (IsIP(ip) && (port <= 0 || port >= 65536)) return ErrorType.IsNotPort;
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else return ErrorType.WrongFormat;
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}
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/// <summary>
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/// 判断参数是否是一个FunGame可接受的服务器地址
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/// </summary>
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/// <param name="ip"></param>
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/// <param name="port"></param>
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/// <returns></returns>
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public static ErrorType IsServerAddress(string ip, int port)
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{
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if (IsIP(ip) && port > 0 && port < 65536) return ErrorType.None;
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else if (!IsIP(ip) && port > 0 && port < 65536) return ErrorType.IsNotIP;
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else if (IsIP(ip) && (port <= 0 || port >= 65536)) return ErrorType.IsNotPort;
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else return ErrorType.WrongFormat;
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}
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/// <summary>
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/// 获取服务器的延迟
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/// </summary>
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/// <param name="addr">服务器IP地址</param>
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/// <returns></returns>
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public static int GetServerPing(string addr)
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{
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Ping pingSender = new();
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PingOptions options = new()
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{
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DontFragment = true
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};
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string data = "getserverping";
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byte[] buffer = General.DefaultEncoding.GetBytes(data);
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int timeout = 120;
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PingReply reply = pingSender.Send(addr, timeout, buffer, options);
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if (reply.Status == IPStatus.Success)
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{
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return Convert.ToInt32(reply.RoundtripTime);
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}
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return -1;
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}
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}
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#endregion
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#region 时间服务
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/// <summary>
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/// 时间服务工具箱
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/// </summary>
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public class DateTimeUtility
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{
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/// <summary>
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/// 获取系统时间
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/// </summary>
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/// <param name="type">格式化类型</param>
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/// <returns></returns>
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public static DateTime GetDateTime(TimeType type)
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{
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DateTime now = DateTime.Now;
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if (type == TimeType.DateOnly)
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return now.Date;
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else return now;
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}
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/// <summary>
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/// 通过字符串转换为DateTime对象
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/// </summary>
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/// <param name="format">时间字符串</param>
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/// <returns>转换失败返回当前时间</returns>
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public static DateTime GetDateTime(string format)
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{
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DateTime dt = default;
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if (DateTime.TryParse(format, out dt))
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{
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return dt;
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}
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else
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{
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return DateTime.Now;
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}
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}
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/// <summary>
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/// 获取系统时间并转为字符串
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/// </summary>
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/// <param name="type">格式化类型</param>
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/// <returns></returns>
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public static string GetDateTimeToString(TimeType type)
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{
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DateTime now = DateTime.Now;
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return type switch
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{
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TimeType.DateOnly => now.Date.ToString("D"),
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TimeType.TimeOnly => now.ToString("T"),
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TimeType.Year4 => now.Year.ToString(),
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TimeType.Year2 => "'" + now.ToString("yy"),
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TimeType.Month => now.Month.ToString(),
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TimeType.Day => now.Day.ToString(),
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TimeType.Hour => now.Hour.ToString(),
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TimeType.Minute => now.Minute.ToString(),
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TimeType.Second => now.Second.ToString(),
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_ => now.ToString("yyyy/MM/dd HH:mm:ss")
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};
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}
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/// <summary>
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/// 获取系统短日期
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/// </summary>
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/// <returns></returns>
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public static string GetNowShortTime()
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{
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DateTime now = DateTime.Now;
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return now.AddMilliseconds(-now.Millisecond).ToString("T");
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}
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/// <summary>
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/// 获取系统日期
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/// </summary>
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/// <returns></returns>
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public static string GetNowTime()
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{
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DateTime now = DateTime.Now;
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return now.AddMilliseconds(-now.Millisecond).ToString();
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}
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}
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#endregion
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#region 加密服务
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/// <summary>
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/// 使用HMACSHA512算法加密
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/// </summary>
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internal class Encryption
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{
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/// <summary>
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/// 使用HMACSHA512算法加密
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/// </summary>
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/// <param name="Message">需要加密的值</param>
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/// <param name="Key">秘钥</param>
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/// <returns></returns>
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internal static string HmacSha512(string Message, string Key)
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{
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byte[] MessageBytes = General.DefaultEncoding.GetBytes(Message);
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Key = Convert.ToBase64String(General.DefaultEncoding.GetBytes(Key));
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byte[] KeyBytes = General.DefaultEncoding.GetBytes(Key);
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HMACSHA512 Hmacsha512 = new(KeyBytes);
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byte[] Hash = Hmacsha512.ComputeHash(MessageBytes);
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string Hmac = BitConverter.ToString(Hash).Replace("-", "");
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return Hmac.ToLower();
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}
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}
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public static class StringExtension
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{
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/// <summary>
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/// 使用HMACSHA512算法加密
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/// </summary>
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/// <param name="msg">需要加密的值</param>
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/// <param name="key">秘钥</param>
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/// <returns></returns>
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public static string Encrypt(this string msg, string key)
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{
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return Encryption.HmacSha512(msg, Encryption.HmacSha512(msg, key));
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}
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}
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#endregion
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#region 验证服务
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public class Verification
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{
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/// <summary>
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/// 生成验证码
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/// </summary>
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/// <param name="type">类型</param>
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/// <param name="length">长度</param>
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/// <returns></returns>
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public static string CreateVerifyCode(VerifyCodeType type, int length)
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{
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return type switch
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{
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VerifyCodeType.MixVerifyCode => MixVerifyCode(length),
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VerifyCodeType.LetterVerifyCode => LetterVerifyCode(length),
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_ => NumberVerifyCode(length),
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};
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}
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/// <summary>
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/// 数字验证码
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/// </summary>
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/// <param name="length"></param>
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/// <returns></returns>
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private static string NumberVerifyCode(int length)
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{
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int[] RandMembers = new int[length];
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int[] GetNumbers = new int[length];
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string VerifyCode = "";
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//生成起始序列值
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int seekSeek = unchecked((int)DateTime.Now.Ticks);
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Random seekRand = new(seekSeek);
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int beginSeek = seekRand.Next(0, int.MaxValue - length * 10000);
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int[] seeks = new int[length];
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for (int i = 0; i < length; i++)
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{
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beginSeek += 10000;
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seeks[i] = beginSeek;
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}
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//生成随机数字
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for (int i = 0; i < length; i++)
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{
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Random rand = new(seeks[i]);
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int pownum = 1 * (int)Math.Pow(10, length);
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RandMembers[i] = rand.Next(pownum, int.MaxValue);
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}
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//抽取随机数字
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for (int i = 0; i < length; i++)
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{
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string numStr = RandMembers[i].ToString();
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int numLength = numStr.Length;
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Random rand = new();
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int numPosition = rand.Next(0, numLength - 1);
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GetNumbers[i] = int.Parse(numStr.Substring(numPosition, 1));
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}
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//生成验证码
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for (int i = 0; i < length; i++)
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{
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VerifyCode += GetNumbers[i].ToString();
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}
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return VerifyCode;
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}
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/// <summary>
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/// 字母验证码
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/// </summary>
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/// <param name="length"></param>
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/// <returns></returns>
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private static string LetterVerifyCode(int length)
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{
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char[] Verification = new char[length];
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char[] Dictionary = { 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z',
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'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z' };
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Random random = new();
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for (int i = 0; i < length; i++)
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{
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Verification[i] = Dictionary[random.Next(Dictionary.Length - 1)];
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}
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return new string(Verification);
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}
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/// <summary>
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/// 混合验证码
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/// </summary>
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/// <param name="length"></param>
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/// <returns></returns>
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private static string MixVerifyCode(int length)
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{
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char[] Verification = new char[length];
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char[] Dictionary = { 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z',
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'0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
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'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z'
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};
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Random random = new();
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for (int i = 0; i < length; i++)
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{
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Verification[i] = Dictionary[random.Next(Dictionary.Length - 1)];
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}
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return new string(Verification);
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}
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}
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#endregion
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}
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