97 lines
4.0 KiB
C#
97 lines
4.0 KiB
C#
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//------------------------------------------------------------------------------
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// 此代码版权（除特别声明或在XREF结尾的命名空间的代码）归作者本人若汝棋茗所有
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// 源代码使用协议遵循本仓库的开源协议及附加协议，若本仓库没有设置，则按MIT开源协议授权
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// CSDN博客：https://blog.csdn.net/qq_40374647
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// 哔哩哔哩视频：https://space.bilibili.com/94253567
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// Gitee源代码仓库：https://gitee.com/RRQM_Home
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// Github源代码仓库：https://github.com/RRQM
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// API首页：https://touchsocket.net/
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// 交流QQ群：234762506
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// 感谢您的下载和使用
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//------------------------------------------------------------------------------
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using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.Collections.Specialized;
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using System.Text;
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using TouchSocket.Core;
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namespace TouchSocket.Http
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{
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/// <summary>
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/// 多文件集合
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/// </summary>
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public class MultifileCollection : IEnumerable<IFormFile>
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{
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private readonly HttpRequest m_request;
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/// <summary>
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/// 多文件集合
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/// </summary>
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/// <param name="request"></param>
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public MultifileCollection(HttpRequest request)
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{
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this.m_request = request;
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}
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/// <summary>
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/// 获取一个迭代器。
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/// </summary>
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/// <returns></returns>
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public IEnumerator<IFormFile> GetEnumerator()
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{
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if (this.m_request.ContentComplated == null || this.m_request.ContentComplated == true)
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{
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if (this.m_request.TryGetContent(out var context))
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{
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var boundary = $"--{this.m_request.GetBoundary()}".ToUTF8Bytes();
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var indexs = context.IndexOfInclude(0, context.Length, boundary);
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if (indexs.Count <= 0)
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{
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throw new Exception("没有发现由Boundary包裹的数据。");
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}
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var files = new List<IFormFile>();
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for (var i = 0; i < indexs.Count; i++)
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{
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if (i + 1 < indexs.Count)
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{
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var internalFormFile = new InternalFormFile();
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files.Add(internalFormFile);
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var index = context.IndexOfFirst(indexs[i] + 3, indexs[i + 1], Encoding.UTF8.GetBytes("\r\n\r\n"));
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var line = Encoding.UTF8.GetString(context, indexs[i] + 3, index - indexs[i] - 6);
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var lines = line.Split(new string[] { ";", "\r\n" }, StringSplitOptions.RemoveEmptyEntries);
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internalFormFile.DataPair = new NameValueCollection();
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foreach (var item in lines)
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{
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var kv = item.Split(new char[] { ':', '=' });
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if (kv.Length == 2)
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{
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internalFormFile.DataPair.Add(kv[0].Trim(), kv[1].Replace("\"", String.Empty).Trim());
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}
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}
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var length = indexs[i + 1] - (index + 2) - boundary.Length;
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var data = new byte[length];
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Array.Copy(context, index + 1, data, 0, length);
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//string ssss = Encoding.UTF8.GetString(data);
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internalFormFile.Data = data;
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}
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}
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return files.GetEnumerator();
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}
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throw new Exception("管道状态异常");
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}
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else
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{
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throw new Exception("管道状态异常");
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}
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}
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IEnumerator IEnumerable.GetEnumerator()
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{
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return this.GetEnumerator();
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}
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}
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}
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