61 lines
2.4 KiB
C#
61 lines
2.4 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.Text;
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using System.Threading.Tasks;
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using System.Reflection;
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namespace Song.ViewData.Attri
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{
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/// <summary>
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/// HTTP谓词限制特性的父类
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/// </summary>
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public class HttpAttribute : WebAttribute
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{
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/// <summary>
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/// 验证是否满足特性的限定
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/// </summary>
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/// <param name="httpmethod">http请求方法，即谓词</param>
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/// <param name="method">执行的方法</param>
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/// <returns></returns>
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public static HttpAttribute Verify(string httpmethod, MemberInfo method)
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{
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//如果方法没有设置任何HTTP限制，则不验证
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List<HttpAttribute> https = WeishaAttr.GetAttrs<HttpAttribute>(method);
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if (https.Count < 1) return null;
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//如果是第一次运行，获取所有特性
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Type[] attrs = Initialization();
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//通过http请求的谓词，获取需要验证的特性
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string httpattrname = string.Format("http{0}Attribute", httpmethod);
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Type type = null;
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foreach (Type att in attrs)
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{
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if (att.Name.Equals(httpattrname, StringComparison.CurrentCultureIgnoreCase))
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{
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type = att;
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break;
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}
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}
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//验证特性
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HttpAttribute attr = null;
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//先验证对象，如果对象需验证，则下面方法全部需要验证登录，除非方法设置了[(Ignore = true)]
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object[] attrsObj = method.DeclaringType.GetCustomAttributes(type, true);
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if (attrsObj.Length > 0) attr = attrsObj[0] as HttpAttribute;
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//再验证方法
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object[] attrsMethod = method.GetCustomAttributes(type, true);
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if (attrsMethod.Length > 0)
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{
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HttpAttribute admin = attrsMethod[0] as HttpAttribute;
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if (attr == null) attr = admin;
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if (attr != null && admin.Ignore) attr.Ignore = admin.Ignore;
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}
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if (attr == null || attr.Ignore)
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throw new Exception(string.Format("当前接口方法 {0}.{1} 禁止 HTTP {2} 请求",
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method.DeclaringType.Name, method.Name, httpmethod.ToUpper()));
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return attr;
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}
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}
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}
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