450 lines
18 KiB
C#
450 lines
18 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.Net;
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using System.IO;
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using System.Windows.Forms;
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using System.Security.Cryptography;
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using System.Collections;
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using System.Xml.Linq;
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using System.Reflection;
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namespace AIMSAutoUpdate
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{
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/// <summary>
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/// ftp下载类
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/// </summary>
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public class FTPTransmission
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{
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/// <summary>
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/// 记录所有要下载的文件路径及下载到本地的路径
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/// </summary>
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public static List<ftpFileDirectory> ListFileDirectory = new List<ftpFileDirectory>();
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/// <summary>
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/// 记录当前文件路径及下载到本地的路径
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/// </summary>
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public static List<ftpFileDirectory> nowListFileDirectory = new List<ftpFileDirectory>();
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/// <summary>
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/// 记录要下载的文件路径及下载到本地的路径
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/// </summary>
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public struct ftpFileDirectory
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{
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/// <summary>
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/// 要下载的文件路径
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/// </summary>
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public string ftpPath;
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/// <summary>
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/// 下载到本地的路径
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/// </summary>
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public string localPath;
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/// <summary>
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/// 文件名
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/// </summary>
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public string filename;
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/// <summary>
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/// 文件大小
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/// </summary>
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public long filelength;
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/// <summary>
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/// MD5码
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/// </summary>
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public string MD5Hash;
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}
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/// <summary>
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/// 设置ftp服务器的命令，并获取文件和文件夹，以及文件夹内的子文件
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/// </summary>
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/// <param name="ftpads">FTP地址路径</param>
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/// <param name="type">要发送到FTP服务器的命令</param>
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/// <param name="username">用户名</param>
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/// <param name="password">密码</param>
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/// <returns></returns>
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public static string[] ftp(string ftpads, string type, string username, string password, string encoding)
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{
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WebResponse webresp = null;
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StreamReader ftpFileListReader = null;
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FtpWebRequest ftpRequest = null;
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try
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{
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ftpRequest = (FtpWebRequest)WebRequest.Create(new Uri(ftpads));
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ftpRequest.Method = type;
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ftpRequest.UsePassive = false;//只需要添加这一句话
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ftpRequest.Credentials = new NetworkCredential(username,
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password);
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webresp = ftpRequest.GetResponse();
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if (encoding == "Default")
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{
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ftpFileListReader = new StreamReader(webresp.GetResponseStream(), Encoding.Default);
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}
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else
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{
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ftpFileListReader = new StreamReader(webresp.GetResponseStream(), Encoding.UTF8);
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}
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StringBuilder str = new StringBuilder();
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string line = ftpFileListReader.ReadLine();
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while (line != null)
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{
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str.Append(line);
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str.Append("\n");
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line = ftpFileListReader.ReadLine();
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}
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string[] fen = str.ToString().Split('\n');
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return fen;
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}
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catch (Exception )
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{
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MessageBox.Show("更新失败! 请检查网络或者FTP用户名与口令!");
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Environment.Exit(0);
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return null;
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}
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}
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/// <summary>
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/// 递归实现获取ftp目录下所有文件及文件夹以及文件夹内的子文件
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/// </summary>
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/// <param name="ftpads">FTP路径</param>
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/// <param name="downloadDir">保存的本地路径</param>
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/// <param name="username">用户名</param>
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/// <param name="password">密码</param>
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public static void downftp(string ftpads, string downloadDir, string username, string password, Hashtable htUpdateFile, string encoding)
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{
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try
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{
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downloadDir = downloadDir.Replace("\\\\", "\\");
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string ftpdir = ftpads;
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string[] fullname = ftp(ftpads, WebRequestMethods.Ftp.ListDirectoryDetails, username, password, encoding);
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if (fullname == null) return;
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string[] onlyname = ftp(ftpads, WebRequestMethods.Ftp.ListDirectory, username, password, encoding);
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if (onlyname == null) return;
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if (!Directory.Exists(downloadDir))
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{
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Directory.CreateDirectory(downloadDir);
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}
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foreach (string names in fullname)
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{
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//判断是否具有文件夹标识<DIR>
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if (names.Contains("<DIR>"))
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{
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string olname = names.Split(new string[] { "<DIR>" },
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StringSplitOptions.None)[1].Trim();
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downftp(ftpads + "/" + olname, downloadDir + "\\" + olname, username, password, htUpdateFile, encoding);
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}
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else
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{
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foreach (string onlynames in onlyname)
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{
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if (string.IsNullOrEmpty(onlynames.Trim()) || string.IsNullOrEmpty(names.Trim())) break;
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if (names.Contains(" " + onlynames))
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{
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//download(downloadDir + "\\" + onlynames, ftpads + "/" + onlynames, username, password);
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var fd = new ftpFileDirectory();
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fd.ftpPath = ftpads + "/" + onlynames.ToString();
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fd.localPath = downloadDir + "\\" + onlynames.ToString();
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fd.localPath = fd.localPath.Replace("\\\\", "\\");
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fd.filename = onlynames.ToString();
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fd.filelength = GetFileSize(fd.ftpPath, username, password);
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for (int i = 0; i < htUpdateFile.Count; i++)
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{
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string[] fileArray = (string[])htUpdateFile[i];
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if (fd.filename == fileArray[0])
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{
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fd.MD5Hash = fileArray[1];
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break;
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}
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}
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ListFileDirectory.Add(fd);
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break;
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}
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}
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}
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}
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}
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catch (Exception ex)
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{
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MessageBox.Show("获取目录失败+downftp" + ex.ToString());
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Environment.Exit(0);
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}
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}
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/// <summary>
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/// 递归实现获取ftp目录下所有文件及文件夹以及文件夹内的子文件
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/// </summary>
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/// <param name="ftpads">FTP路径</param>
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/// <param name="downloadDir">保存的本地路径</param>
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/// <param name="username">用户名</param>
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/// <param name="password">密码</param>
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public static void downNow(string ftpads)
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{
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try
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{
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DirectoryInfo theFolder = new DirectoryInfo(ftpads);
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printAllFile(theFolder);
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}
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catch (Exception ex)
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{
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MessageBox.Show("获取目录失败+downftp" + ex.ToString());
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Environment.Exit(0);
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}
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}
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public static void printAllFile(DirectoryInfo di)
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{
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FileInfo[] fiArray = di.GetFiles();
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DirectoryInfo[] diArray = di.GetDirectories();
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foreach (FileInfo NextFile in fiArray)
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{
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if (NextFile.Name.Contains("AIMSAutoUpdate") || NextFile.Name.Contains("AIMS")) continue;
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var fd = new ftpFileDirectory();
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fd.ftpPath = NextFile.DirectoryName + "\\" + NextFile.Name.ToString();
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fd.filename = NextFile.Name.ToString();
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fd.filelength = NextFile.Length;
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fd.MD5Hash = GetMD5HashFromFile(fd.ftpPath);
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nowListFileDirectory.Add(fd);
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}
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foreach (DirectoryInfo inst in diArray)
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{
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printAllFile(inst);
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}
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}
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/// <summary>
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/// 单个文件下载
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/// </summary>
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/// <param name="adss">保存文件的本地路径</param>
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/// <param name="ftpadss">下载文件的FTP路径</param>
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/// <param name="username">用户名</param>
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/// <param name="password">密码</param>
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public static void download(string adss, string ftpadss, string username, string password)
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{
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//FileMode常数确定如何打开或创建文件,指定操作系统应创建新文件。
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//FileMode.Create如果文件已存在，它将被改写
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FileStream outputStream = new FileStream(adss, FileMode.Create);
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FtpWebRequest downRequest = (FtpWebRequest)WebRequest.Create(new Uri(ftpadss));
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downRequest.Credentials = new NetworkCredential(username, password);
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downRequest.UsePassive = false;//只需要添加这一句话
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//设置要发送到 FTP 服务器的命令
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downRequest.Method = WebRequestMethods.Ftp.DownloadFile;
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FtpWebResponse response = (FtpWebResponse)downRequest.GetResponse();
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Stream ftpStream = response.GetResponseStream();
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long cl = response.ContentLength;
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int bufferSize = 2048;
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int readCount;
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byte[] buffer = new byte[bufferSize];
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readCount = ftpStream.Read(buffer, 0, bufferSize);
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while (readCount > 0)
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{
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outputStream.Write(buffer, 0, readCount);
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readCount = ftpStream.Read(buffer, 0, bufferSize);
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}
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ftpStream.Close();
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outputStream.Close();
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response.Close();
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}
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/// <summary>
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/// 获得文件大小
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/// </summary>
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/// <param name="filename"></param>
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/// <returns></returns>
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public static long GetFileSize(string ftpadss, string username, string password)
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{
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long fileSize = 0;
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try
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{
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FtpWebRequest downRequest = (FtpWebRequest)WebRequest.Create(new Uri(ftpadss));
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downRequest.Credentials = new NetworkCredential(username, password);
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downRequest.Method = WebRequestMethods.Ftp.GetFileSize;
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downRequest.UsePassive = false;//只需要添加这一句话
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FtpWebResponse response = (FtpWebResponse)downRequest.GetResponse();
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fileSize = response.ContentLength;
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response.Close();
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}
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catch (Exception e)
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{
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MessageBox.Show(e.Message);
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}
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return fileSize;
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}
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/// <summary>
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/// FTP获取文件的MD5码
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/// </summary>
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/// <param name="fileName">传入的文件名（含路径及后缀名）</param>
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/// <returns></returns>
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public static string FTPGetMD5HashFromFile(string fileName)
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{
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try
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{
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FileStream file = new FileStream(fileName, System.IO.FileMode.Open);
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MD5 md5 = new MD5CryptoServiceProvider();
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byte[] retVal = md5.ComputeHash(file);
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file.Close();
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StringBuilder sb = new StringBuilder();
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for (int i = 0; i < retVal.Length; i++)
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{
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sb.Append(retVal[i].ToString("x2"));
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}
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return sb.ToString();
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}
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catch (Exception)
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{
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return "";
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//throw new Exception("GetMD5HashFromFile() fail,error:" + ex.Message);
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}
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}
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/// <summary>
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/// 获取文件的MD5码
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/// </summary>
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/// <param name="fileName">传入的文件名（含路径及后缀名）</param>
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/// <returns></returns>
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public static string GetMD5HashFromFile(string fileName)
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{
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try
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{
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FileStream file = new FileStream(fileName, System.IO.FileMode.Open);
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MD5 md5 = new MD5CryptoServiceProvider();
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byte[] retVal = md5.ComputeHash(file);
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file.Close();
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StringBuilder sb = new StringBuilder();
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for (int i = 0; i < retVal.Length; i++)
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{
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sb.Append(retVal[i].ToString("x2"));
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}
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return sb.ToString();
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}
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catch (Exception)
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{
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return "";
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//throw new Exception("GetMD5HashFromFile() fail,error:" + ex.Message);
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}
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}
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public static void UpdateListXML()
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{
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try
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{
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string localXmlFile = AppDomain.CurrentDomain.BaseDirectory + "\\UpdateList.xml";
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if (!File.Exists(localXmlFile))
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return;
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XElement xe = XElement.Load(localXmlFile);
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//获取本地EXE版本号
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Assembly currentAssembly = Assembly.LoadFile(Application.ExecutablePath.Trim());
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AssemblyName CurrentAssemblyName = currentAssembly.GetName();
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string Version = CurrentAssemblyName.Version.ToString();
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Version vs = new Version(Version);
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Version newvs = new Version(xe.Element("Version").Value);
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if (vs.CompareTo(newvs) > 0)
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{
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xe.Element("Version").Value = Version;
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FTPTransmission.downNow(AppDomain.CurrentDomain.BaseDirectory);
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IEnumerable<XElement> element = from ex in xe.Elements("Files")
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select ex;
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///删除指定的元素，并保存
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if (element.Count() > 0)
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{
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element.Remove();
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}
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XElement record = new XElement("Files");
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foreach (var item in FTPTransmission.nowListFileDirectory)
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{
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if (item.filename.Contains("AIMSAutoUpdate")) continue;
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FTPTransmission.ftpFileDirectory f = item;
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XElement file = new XElement(
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new XElement("File",
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//new XAttribute("Ver", Version),
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new XAttribute("Name", item.filename),
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new XAttribute("MD5Hash", item.MD5Hash)));
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record.Add(file);
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}
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xe.Add(record);
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xe.Save(localXmlFile);
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}
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}
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catch (Exception)
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{
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return;
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}
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}
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public static Encoding GetEncoding(string filePath)
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{
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if (filePath == null)
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{
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throw new ArgumentNullException("filePath");
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}
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Encoding encoding1 = Encoding.Default;
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if (File.Exists(filePath))
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{
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try
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{
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using (FileStream stream1 = new FileStream(filePath, FileMode.Open, FileAccess.Read))
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{
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if (stream1.Length > 0)
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{
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using (StreamReader reader1 = new StreamReader(stream1, true))
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{
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char[] chArray1 = new char[1];
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reader1.Read(chArray1, 0, 1);
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encoding1 = reader1.CurrentEncoding;
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reader1.BaseStream.Position = 0;
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if (encoding1 == Encoding.UTF8)
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{
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byte[] buffer1 = encoding1.GetPreamble();
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if (stream1.Length >= buffer1.Length)
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{
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byte[] buffer2 = new byte[buffer1.Length];
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stream1.Read(buffer2, 0, buffer2.Length);
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for (int num1 = 0; num1 < buffer2.Length; num1++)
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{
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if (buffer2[num1] != buffer1[num1])
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{
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encoding1 = Encoding.Default;
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break;
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}
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}
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}
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else
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{
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encoding1 = Encoding.Default;
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}
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}
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}
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}
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}
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}
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catch (Exception)
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{
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throw;
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}
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if (encoding1 == null)
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{
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encoding1 = Encoding.UTF8;
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}
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}
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return encoding1;
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}
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}
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}
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