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C#通用HTTP签名组件的另类实现-创新互联

1、初衷

开发中经常需要做一些接口的签名生成和校验工作,最开始的时候都是每个接口去按照约定单独实现,久而久之就变的非常难维护,因此就琢磨怎么能够写了一个比较通用的签名生成工具。

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采用链式调用的方式,使得签名的步骤可以动态拼凑组合。

3、直接看效果
//设置数据源
    var signSource = new Dictionary()
    {{"param1", "1" },
        {"param3", "3+" },
        {"param2", "2" }
    };
    var signer = new HttpSigner();
    signer.SetSignData(signSource);

    //设置数据源并配置规则
    signer.SetSignData(signSource, setting =>{//按参数名排序
        //result -->param1 param2 param3
        setting.IsOrderByWithKey = false;

        //是否对签名数据的参数值进行UrlEncode
        setting.IsDoUrlEncodeForSourceValue = false;

        //签名主体是否包含参数名
        setting.IsSignTextContainKey = true;
        //签名主体中参数和参数值的连接符(需要启用IsSignTextContainKey)
        setting.SignTextKeyValueSeparator = "=";
        //签名主体中不同参数项的连接符
        setting.SignTextItemSeparator = "&";
        //以上都开启后  -->param1=1¶m2=2¶m3=3

        //编码
        setting.DefaultEncoding = Encoding.UTF8;
    });

    //签名主体设置前缀
    signer.SetSignData(signSource).SetSignTextPrefix("TestPrefix");

    //签名主体设置后缀
    signer.SetSignData(signSource).SetSignTextSuffix("TestSuffix");

    //签名主体进行Base64
    signer.SetSignData(signSource).SetSignTextBase64();

    //签名主体进行MD5,(方法参数为签名结果是否转小写)
    signer.SetSignData(signSource).SetSignTextMD5(bool isToLower = true);

    //签名主体进行SHA1,(方法参数为签名结果是否转小写)
    signer.SetSignData(signSource).SetSignTextSHA1(bool isToLower = true);

    //获取签名结果
    string signString = signer.SetSignData(signSource).GetSignResult();

    //组合调用
    string signString = signer.SetSignData(signSource).SetSignTextBase64().SetSignTextMD5().SetSignTextSHA1();
4、代码实现HttpSignItem类

用于保存签名的参数集合。

namespace JiuLing.CommonLibs.Security.HttpSign
{internal class HttpSignItem
    {public string Key {get; set; }
        public string Value {get; set; }

        public HttpSignItem(string key, string value)
        {Key = key;
            Value = value;
        }
    }
}
HttpSignSetting类

用于签名的基本配置。

using System.Text;

namespace JiuLing.CommonLibs.Security.HttpSign
{////// 签名配置
    ///public class HttpSignSetting
    {////// 是否按参数名进行排序
        ///public bool IsOrderByWithKey {get; set; } = false;

        ////// 是否对签名数据的参数值进行UrlEncode
        ///public bool IsDoUrlEncodeForSourceValue {get; set; } = false;

        ////// 签名主体是否包含参数名
        ///public bool IsSignTextContainKey {get; set; } = true;

        ////// 签名主体中参数和参数值的连接符(需要启用IsSignTextContainKey)
        ///public string SignTextKeyValueSeparator {get; set; } = "=";

        ////// 签名主体中不同参数项的连接符
        ///public string SignTextItemSeparator {get; set; } = "&";

        ////// 编码
        ///public Encoding DefaultEncoding {get; set; } = Encoding.UTF8;
    }
}
HttpSigner类

签名组件的具体实现。

using System;
using System.Collections.Generic;
using System.Linq;

namespace JiuLing.CommonLibs.Security.HttpSign
{////// 网络请求签名工具
    ///public class HttpSigner
    {////// 签名配置
        ///private readonly HttpSignSetting _setting = new HttpSignSetting();
        ////// 最终的签名串
        ///private string _signString;

        ////// 设置签名数据
        //////待签名的键值对///配置签名规则//////public HttpSigner SetSignData(DictionarysignSource, Actionsetting = null)
        {setting?.Invoke(_setting);
            if (_setting == null)
            {throw new ArgumentNullException("无效的签名配置", "setting");
            }

            if (signSource == null || signSource.Count == 0)
            {throw new ArgumentException("待签名数据异常", nameof(signSource));
            }

            var signSourceList = new List(signSource.Count);
            foreach (var item in signSource)
            {var itemValue = item.Value;
                if (_setting.IsDoUrlEncodeForSourceValue)
                {itemValue = System.Web.HttpUtility.UrlEncode(itemValue, _setting.DefaultEncoding);
                }
                signSourceList.Add(new HttpSignItem(item.Key, itemValue));
            }

            if (_setting.IsOrderByWithKey)
            {signSourceList = signSourceList.OrderBy(x =>x.Key).ToList();
            }

            if (_setting.IsSignTextContainKey)
            {_signString = string.Join(_setting.SignTextItemSeparator, signSourceList.Select(x =>$"{x.Key}{_setting.SignTextKeyValueSeparator}{x.Value}"));
            }
            else
            {_signString = string.Join(_setting.SignTextItemSeparator, signSourceList.Select(x =>x.Value));
            }

            return this;
        }

        ////// 签名主体设置前缀
        //////前缀值///public HttpSigner SetSignTextPrefix(string input)
        {_signString = $"{input}{_signString}";
            return this;
        }

        ////// 签名主体设置后缀
        //////后缀值///public HttpSigner SetSignTextSuffix(string input)
        {_signString = $"{_signString}{input}";
            return this;
        }

        ////// 签名主体设置后缀
        //////public HttpSigner SetUrlEncode()
        {_signString = System.Web.HttpUtility.UrlEncode(_signString, _setting.DefaultEncoding);
            return this;
        }

        ////// 签名主体进行Base64
        //////public HttpSigner SetSignTextBase64()
        {_signString = Base64Utils.GetStringValue(_signString);
            return this;
        }

        ////// 签名主体进行MD5
        //////签名结果是否转小写///public HttpSigner SetSignTextMD5(bool isToLower = true)
        {if (isToLower)
            {_signString = MD5Utils.GetStringValueToLower(_signString);
            }
            else
            {_signString = MD5Utils.GetStringValueToUpper(_signString);
            }
            return this;
        }

        ////// 签名主体进行SHA1
        //////签名结果是否转小写///public HttpSigner SetSignTextSHA1(bool isToLower = true)
        {if (isToLower)
            {_signString = SHA1Utils.GetStringValueToLower(_signString);
            }
            else
            {_signString = SHA1Utils.GetStringValueToUpper(_signString);
            }
            return this;
        }

        ////// 获取签名结果
        //////public string GetSignResult()
        {return _signString;
        }
    }
}
5、附上仓库地址

以上代码包含在我的通用类库中,GitHub地址,也可以直接Nuget搜索JiuLing.CommonLibs安装。
文章代码片段地址

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