336 lines
12 KiB
C#
336 lines
12 KiB
C#
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using System;
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using System.Collections.Generic;
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using System.Drawing;
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using System.Globalization;
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using System.IO;
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using System.Linq;
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using System.Net;
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using System.Text;
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using System.Windows.Forms;
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using System.Xml;
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namespace RyWeb
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{
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/// <summary>
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/// WebDav接口
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/// </summary>
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public class WebDav
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{
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private string _UserName = "";
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private string _Password = "";
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private string _WebDavUrl = "";
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/// <summary>
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/// WebDav初始化
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/// </summary>
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/// <param name="_WebDavUrl"></param>
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/// <param name="_UserName"></param>
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/// <param name="_Password"></param>
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public WebDav(string _WebDavUrl, string _UserName, string _Password)
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{
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this._UserName = _UserName;
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this._Password = _Password;
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this._WebDavUrl = _WebDavUrl;
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}
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/// <summary>
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/// 删除文件
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/// </summary>
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/// <param name="_WebFilePath">相对路径,不包括域名</param>
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/// <returns></returns>
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public int DelFile(string _WebFilePath)
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{
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try
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{
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HttpWebRequest req = (HttpWebRequest)WebRequest.Create(new Uri(_WebDavUrl + "/" + _WebFilePath));
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req.Credentials = new NetworkCredential(_UserName, _Password); //验证密码
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req.PreAuthenticate = true;
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req.Method = "DELETE";
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//req.AllowWriteStreamBuffering = true;
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req.GetResponse();
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return 1;
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}
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catch { return 0; }
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}
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/// <summary>
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/// 下载文件
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/// </summary>
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/// <param name="_WebFilePath"></param>
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/// <param name="_SavePath"></param>
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/// <returns></returns>
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public int Download(string _WebFilePath, string _SavePath)
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{
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return Download(_WebFilePath, _SavePath,out _);
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}
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/// <summary>
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/// 下载文件
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/// </summary>
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/// <param name="_WebFilePath"></param>
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/// <param name="_SavePath"></param>
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/// <param name="error"></param>
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/// <returns></returns>
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public int Download(string _WebFilePath,string _SavePath,out string error)
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{
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error = "";
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try
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{
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System.Uri myURi = new System.Uri(_WebFilePath);
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WebRequest req = WebRequest.Create(myURi);
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req.Credentials = new NetworkCredential(_UserName, _Password); //验证密码
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req.Method = "GET";
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req.Timeout = System.Threading.Timeout.Infinite;
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WebResponse res = req.GetResponse();
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Stream inStream = res.GetResponseStream();
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FileStream fs = new FileStream(_SavePath, FileMode.OpenOrCreate);
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byte[] inData = new byte[4096];
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int bytesRead = inStream.Read(inData, 0, inData.Length);
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while (bytesRead > 0)
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{
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fs.Write(inData, 0, bytesRead);
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bytesRead = inStream.Read(inData, 0, inData.Length);
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}
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fs.Close();
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inStream.Close();
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}
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catch(Exception ex)
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{
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error = ex.Message;
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return -1;
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}
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return 1;
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}
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/// <summary>
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/// 上传文件
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/// </summary>
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/// <param name="_WebFilePath"></param>
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/// <param name="_LocalFile"></param>
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/// <returns></returns>
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public int Upload(string _WebFilePath, string _LocalFile)
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{
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return Upload(_WebFilePath, _LocalFile,out _);
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}
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/// <summary>
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/// 上传文件
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/// </summary>
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/// <param name="_WebFilePath"></param>
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/// <param name="_LocalFile"></param>
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/// <param name="error"></param>
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/// <returns></returns>
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public int Upload(string _WebFilePath, string _LocalFile,out string error)
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{
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error = "";
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try
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{
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System.Net.HttpWebRequest req = (System.Net.HttpWebRequest)WebRequest.Create(new Uri(_WebDavUrl + "/" + _WebFilePath)); //Http和服务器交互
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req.Credentials = new NetworkCredential(_UserName, _Password); //验证密码
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req.PreAuthenticate = true;
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req.Method = "PUT";//采用PUT方式
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req.AllowWriteStreamBuffering = true;
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Stream reqStream = req.GetRequestStream();
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FileStream rdm = new FileStream(_LocalFile, FileMode.Open); //打开本地文件流
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byte[] inData = new byte[4096];
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int byteRead = rdm.Read(inData, 0, inData.Length); //二进制读文件
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while (byteRead > 0)
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{
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reqStream.Write(inData, 0, byteRead); //响应流写入
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byteRead = rdm.Read(inData, 0, inData.Length);
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}
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rdm.Close();
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reqStream.Close();
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req.GetResponse(); //提交
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}
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catch (Exception e)
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{
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error=e.Message;
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return 0;
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}
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return 1; //正确返回
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}
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//----新建文件夾----
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/// <summary>
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/// 新建文件夹
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/// </summary>
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/// <param name="Path"></param>
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/// <returns></returns>
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public int CreateDir(string Path)
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{
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return CreateDir(Path, out _);
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}
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//----新建文件夾----
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/// <summary>
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/// 新建文件夹
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/// </summary>
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/// <param name="Path">文件夹路径</param>
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/// <param name="error"></param>
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/// <returns></returns>
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public int CreateDir(string Path,out string error)
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{
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error = "";
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var dir_split = Path.Split('/');
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var path = "";
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for (int i = 0; i < dir_split.Length; i++)
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{
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if (dir_split[i].Length == 0) { continue; }
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if (path.Length > 0) { path += "/"; }
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path += dir_split[i];
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_createdir(path, out var _error);
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if(_error.Length>0)
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{
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error = _error;
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}
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}
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if (error.Length == 0)
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{
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return 1;
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}
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else
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{
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return 0;
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}
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}
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//----新建文件夾----
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/// <summary>
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/// 新建文件夹
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/// </summary>
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/// <param name="Path"></param>
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/// <param name="error"></param>
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/// <returns></returns>
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private int _createdir(string Path, out string error)
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{
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error = "";
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try
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{
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// Create the HttpWebRequest object.
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System.Net.HttpWebRequest req = (System.Net.HttpWebRequest)WebRequest.Create(new Uri(_WebDavUrl + "/" + Path)); //Http和服务器交互
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req.Credentials = new NetworkCredential(_UserName, _Password); //验证密码
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// Specify the method.
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req.Method = "MKCOL";
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HttpWebResponse objResponse = (System.Net.HttpWebResponse)req.GetResponse();
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// Close the HttpWebResponse object.
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objResponse.Close();
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return 1;
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}
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catch (Exception ex)
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{
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error = ex.Message;
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return 0;
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}
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}
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/// <summary>
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///将文件或目录列出来
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/// </summary>
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/// <param name="Path"></param>
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/// <param name="deep"></param>
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/// <returns></returns>
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public SortedList<string, ServerFileAttributes> GetContents(string Path, bool deep)
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{
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var uri = new Uri(_WebDavUrl + "/" + Path);
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HttpWebRequest _httpWebRequest = (HttpWebRequest)HttpWebRequest.Create(uri);
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_httpWebRequest.Headers.Add("Translate: f");
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_httpWebRequest.Credentials = new NetworkCredential(_UserName, _Password); //验证密码
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string _requestString = @"<?xml version=""1.0"" encoding=""utf-8""?>" +
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@"<a:propfind xmlns:a=""DAV:"">" +
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"<a:prop>" +
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"<a:displayname/>" +
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"<a:iscollection/>" +
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"<a:getlastmodified/>" +
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"</a:prop>" +
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"</a:propfind>";
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_httpWebRequest.Method = "PROPFIND";
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if (deep == true)
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_httpWebRequest.Headers.Add("Depth: infinity");
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else
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_httpWebRequest.Headers.Add("Depth: 1");
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_httpWebRequest.ContentLength = _requestString.Length;
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_httpWebRequest.ContentType = "text/xml";
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Stream _requestStream = _httpWebRequest.GetRequestStream();
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_requestStream.Write(Encoding.UTF8.GetBytes(_requestString), 0, Encoding.ASCII.GetBytes(_requestString).Length);
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_requestStream.Close();
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HttpWebResponse _httpWebResponse;
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StreamReader _streamReader;
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try
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{
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_httpWebResponse = (HttpWebResponse)_httpWebRequest.GetResponse();
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_streamReader = new StreamReader(_httpWebResponse.GetResponseStream());
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}
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catch (WebException ex)
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{
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throw ex;
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}
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StringBuilder _stringBuilder = new StringBuilder();
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char[] _chars = new char[1024];
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int _bytesRead = 0;
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_bytesRead = _streamReader.Read(_chars, 0, 1024);
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while (_bytesRead > 0)
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{
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_stringBuilder.Append(_chars, 0, _bytesRead);
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_bytesRead = _streamReader.Read(_chars, 0, 1024);
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}
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_streamReader.Close();
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XmlDocument _xmlDocument = new XmlDocument();
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_xmlDocument.LoadXml(_stringBuilder.ToString());
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XmlNamespaceManager _xmlNamespaceManager = new XmlNamespaceManager(_xmlDocument.NameTable);
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_xmlNamespaceManager.AddNamespace("a", "DAV:");
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XmlNodeList _nameList = _xmlDocument.SelectNodes("//a:prop/a:displayname", _xmlNamespaceManager);
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XmlNodeList _isFolderList = _xmlDocument.SelectNodes("//a:prop/a:iscollection", _xmlNamespaceManager);
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XmlNodeList _lastModifyList = _xmlDocument.SelectNodes("//a:prop/a:getlastmodified", _xmlNamespaceManager);
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XmlNodeList _hrefList = _xmlDocument.SelectNodes("//a:href", _xmlNamespaceManager);
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SortedList<string, ServerFileAttributes> _sortedListResult = new SortedList<string, ServerFileAttributes>();
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ServerFileAttributes _serverFileAttributes;
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for (int i = 0; i < _nameList.Count; i++)
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{
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if (_hrefList[i].InnerText.ToLower(new CultureInfo("en-US")).TrimEnd(new char[] { '/' }) != uri.AbsoluteUri.ToLower(new CultureInfo("en-US")).TrimEnd(new char[] { '/' }))
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{
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_serverFileAttributes = new ServerFileAttributes();
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_serverFileAttributes.Name = _nameList[i].InnerText;
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_serverFileAttributes.IsFolder = Convert.ToBoolean(Convert.ToInt32(_isFolderList[i].InnerText));
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_serverFileAttributes.Url = _hrefList[i].InnerText;
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_serverFileAttributes.LastModified = Convert.ToDateTime(_lastModifyList[i].InnerText);
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_sortedListResult.Add(_serverFileAttributes.Url, _serverFileAttributes);
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}
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}
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return _sortedListResult;
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}
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}
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/// <summary>
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/// 定义每个文件或目录的属性
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/// </summary>
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public struct ServerFileAttributes
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{
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/// <summary>
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/// 文件名
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/// </summary>
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public string Name;
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/// <summary>
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/// 是否是文件夹
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/// </summary>
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public bool IsFolder;
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/// <summary>
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/// 网址
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/// </summary>
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public string Url;
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/// <summary>
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/// 最后修改时间
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/// </summary>
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public DateTime LastModified;
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}
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}
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