97 lines
4.0 KiB
C#
97 lines
4.0 KiB
C#
//------------------------------------------------------------------------------
|
||
// 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
|
||
// 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
|
||
// CSDN博客：https://blog.csdn.net/qq_40374647
|
||
// 哔哩哔哩视频：https://space.bilibili.com/94253567
|
||
// Gitee源代码仓库：https://gitee.com/RRQM_Home
|
||
// Github源代码仓库：https://github.com/RRQM
|
||
// API首页：https://touchsocket.net/
|
||
// 交流QQ群：234762506
|
||
// 感谢您的下载和使用
|
||
//------------------------------------------------------------------------------
|
||
|
||
using System;
|
||
using System.Collections;
|
||
using System.Collections.Generic;
|
||
using System.Collections.Specialized;
|
||
using System.Text;
|
||
using TouchSocket.Core;
|
||
|
||
namespace TouchSocket.Http
|
||
{
|
||
/// <summary>
|
||
/// 多文件集合
|
||
/// </summary>
|
||
public class MultifileCollection : IEnumerable<IFormFile>
|
||
{
|
||
private readonly HttpRequest m_request;
|
||
|
||
/// <summary>
|
||
/// 多文件集合
|
||
/// </summary>
|
||
/// <param name="request"></param>
|
||
public MultifileCollection(HttpRequest request)
|
||
{
|
||
this.m_request = request;
|
||
}
|
||
|
||
/// <summary>
|
||
/// 获取一个迭代器。
|
||
/// </summary>
|
||
/// <returns></returns>
|
||
public IEnumerator<IFormFile> GetEnumerator()
|
||
{
|
||
if (this.m_request.ContentComplated == null || this.m_request.ContentComplated == true)
|
||
{
|
||
if (this.m_request.TryGetContent(out var context))
|
||
{
|
||
var boundary = $"--{this.m_request.GetBoundary()}".ToUTF8Bytes();
|
||
var indexs = context.IndexOfInclude(0, context.Length, boundary);
|
||
if (indexs.Count <= 0)
|
||
{
|
||
throw new Exception("没有发现由Boundary包裹的数据。");
|
||
}
|
||
var files = new List<IFormFile>();
|
||
for (var i = 0; i < indexs.Count; i++)
|
||
{
|
||
if (i + 1 < indexs.Count)
|
||
{
|
||
var internalFormFile = new InternalFormFile();
|
||
files.Add(internalFormFile);
|
||
var index = context.IndexOfFirst(indexs[i] + 3, indexs[i + 1], Encoding.UTF8.GetBytes("\r\n\r\n"));
|
||
var line = Encoding.UTF8.GetString(context, indexs[i] + 3, index - indexs[i] - 6);
|
||
var lines = line.Split(new string[] { ";", "\r\n" }, StringSplitOptions.RemoveEmptyEntries);
|
||
internalFormFile.DataPair = new NameValueCollection();
|
||
foreach (var item in lines)
|
||
{
|
||
var kv = item.Split(new char[] { ':', '=' });
|
||
if (kv.Length == 2)
|
||
{
|
||
internalFormFile.DataPair.Add(kv[0].Trim(), kv[1].Replace("\"", String.Empty).Trim());
|
||
}
|
||
}
|
||
|
||
var length = indexs[i + 1] - (index + 2) - boundary.Length;
|
||
var data = new byte[length];
|
||
Array.Copy(context, index + 1, data, 0, length);
|
||
//string ssss = Encoding.UTF8.GetString(data);
|
||
internalFormFile.Data = data;
|
||
}
|
||
}
|
||
|
||
return files.GetEnumerator();
|
||
}
|
||
throw new Exception("管道状态异常");
|
||
}
|
||
else
|
||
{
|
||
throw new Exception("管道状态异常");
|
||
}
|
||
}
|
||
|
||
IEnumerator IEnumerable.GetEnumerator()
|
||
{
|
||
return this.GetEnumerator();
|
||
}
|
||
}
|
||
} |