src/Library/NetPro.Sign/SignCommon.cs

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using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Mvc.Filters;
using Microsoft.AspNetCore.Mvc.Formatters;
using System;
using System.Collections.Generic;
using System.Collections.Specialized;
using System.IO;
using System.Linq;
using System.Security.Cryptography;
using System.Text;
using System.Text.Encodings.Web;
using System.Text.Json;
using System.Text.RegularExpressions;
using System.Threading.Tasks;

namespace NetPro.Sign
{
    /// <summary>
    /// 
    /// </summary>
    public class SignCommon
    {
        /// <summary>
        /// 通用生成签名
        /// </summary>
        /// <param name="secret"></param>
        /// <param name="query">url参数,参数名统一小写；参数中不能包含时间戳，时间戳已内部处理，参数名为：timestamp</param>
        /// <param name="body">body参数</param>
        /// <param name="signMethod">算法名称:hmac-sha256；md5</param>
        /// <remarks><![CDATA[ 将url参数与body参数以'&'分割]]>
        /// 拼装新字符串utf-8编码后
        /// HMACSHA256摘要后转16进制小写
        /// </remarks>
        /// <returns></returns>
        public static string CreateSign(string secret, NameValueCollection query, object body = null, EncryptEnum signMethod = EncryptEnum.Default, bool prinftLog = false)
        {
            IDictionary<string, string> queryDic = new Dictionary<string, string>();
            foreach (var k in query.AllKeys)
            {
                queryDic.Add(k, query[k]);
            }

            if (queryDic == null || !queryDic.Any())
            {
                Console.WriteLine("签名公共参数必须以url方式提供");
                return string.Empty;
            }

            if (body != null)
            {
                var jsonString = JsonSerializer.Serialize(body, new JsonSerializerOptions { Encoder = JavaScriptEncoder.UnsafeRelaxedJsonEscaping });
                queryDic.Add("body", Regex.Replace(jsonString, @"\s(?=([^""]*""[^""]*"")*[^""]*$)", string.Empty));

            }

            var dicOrder = queryDic.OrderBy(s => s.Key, StringComparer.Ordinal).ToList();

            StringBuilder requestStr = new StringBuilder();
            for (int i = 0; i < dicOrder.Count(); i++)