csharp: FTP Client Library using System.Net.FtpClient and FluentFTP,测试中存在的BUG修正

https://netftp.codeplex.com/

 

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/// <summary>  /// Gets a file listing from the server. Each FtpListItem object returned  /// contains information about the file that was able to be retrieved. If  /// a DateTime property is equal to DateTime.MinValue then it means the  /// date in question was not able to be retrieved. If the Size property  /// is equal to 0 then it means the size of the object could also not  /// be retrieved.  /// 读取文件或文件夹  /// </summary>  /// <param name="path">The path of the directory to list</param>  /// <param name="options">Options that dictacte how a list is performed and what information is gathered.根据选项读取文件或文件夹或其文件的属性</param>  /// <returns>An array of FtpListItem objects</returns>  /// <example><code source="..\Examples\GetListing.cs" lang="cs" /></example>  public FtpListItem[] GetListing(string path, FtpListOption options) {      FtpListItem item = null;      List<FtpListItem> lst = new List<FtpListItem>();      List<string> rawlisting = new List<string>();      string listcmd = null;      string pwd = GetWorkingDirectory();      string buf = null;        if (path == null || path.Trim().Length == 0) {          pwd = GetWorkingDirectory();          if (pwd != null && pwd.Trim().Length > 0)              path = pwd;          else              path = "./";      }      else if (!path.StartsWith("/") && pwd != null && pwd.Trim().Length > 0) {          if (path.StartsWith("./"))              path = path.Remove(0, 2);          path = string.Format("{0}/{1}", pwd, path).GetFtpPath();      }        // MLSD provides a machine parsable format with more      // accurate information than most of the UNIX long list      // formats which translates to more effcient file listings      // so always prefer MLSD over LIST unless the caller of this      // method overrides it with the ForceList option      // !=      if ((options & FtpListOption.ForceList) == FtpListOption.ForceList && HasFeature(FtpCapability.MLSD))      {          listcmd = "MLSD";      }      else      {          if ((options & FtpListOption.UseLS) == FtpListOption.UseLS)          {              listcmd = "LS";          }          else if ((options & FtpListOption.NameList) == FtpListOption.NameList)          {              listcmd = "NLST"; //读取文件名          }          else          {              string listopts = "";              listcmd = "LIST"; //读取所有文件夹文件              if ((options & FtpListOption.AllFiles) == FtpListOption.AllFiles)                  listopts += "a";                if ((options & FtpListOption.Recursive) == FtpListOption.Recursive)                  listopts += "R";                if (listopts.Length > 0)                  listcmd += " -" + listopts;          }      }        if((options & FtpListOption.NoPath) != FtpListOption.NoPath)      {          listcmd = string.Format("{0} {1}", listcmd, path.GetFtpPath());      }        lock (m_lock)      {          Execute("TYPE I");          //NLST /htdocs 读文件          // read in raw file listing     MLSD /htdocs          using (FtpDataStream stream = OpenDataStream(listcmd, 0)) {              try {                  while ((buf = stream.ReadLine(Encoding)) != null) {                      if (buf.Length > 0)                      {                          rawlisting.Add(buf);                          FtpTrace.WriteLine(buf);                      }                      //rawlisting.Add(buf);                      //FtpTrace.WriteLine(buf);                  }              }              finally {                  stream.Close();              }          }      }          //根据上一个循环来读文件或文件夹的属性      for (int i = 0; i < rawlisting.Count; i++) {          buf = rawlisting[i];          if ((options & FtpListOption.NameList) == FtpListOption.NameList) {              // if NLST was used we only have a file name so              // there is nothing to parse.              item = new FtpListItem() {                  FullName = buf              };                if (DirectoryExists(item.FullName))                  item.Type = FtpFileSystemObjectType.Directory;              else                  item.Type = FtpFileSystemObjectType.File;                lst.Add(item);          }          else {              // if this is a result of LIST -R then the path will be spit out              // before each block of objects              if (listcmd.StartsWith("LIST") && (options & FtpListOption.Recursive) == FtpListOption.Recursive) {                  if (buf.StartsWith("/") && buf.EndsWith(":")) {                      path = buf.TrimEnd(':');                      continue;                  }              }                // if the next line in the listing starts with spaces              // it is assumed to be a continuation of the current line              if (i + 1 < rawlisting.Count && (rawlisting[i + 1].StartsWith("\t") || rawlisting[i + 1].StartsWith(" ")))                  buf += rawlisting[++i];                item = FtpListItem.Parse(path, buf, m_caps); //重复了文件夹名称              // FtpListItem.Parse() returns null if the line              // could not be parsed              if (item != null && (item.Name != "." && item.Name != ".."))                  lst.Add(item);              else                  FtpTrace.WriteLine("Failed to parse file listing: " + buf);          }            // load extended information that wasn't available if the list options flags say to do so.          if (item != null) {              // try to dereference symbolic links if the appropriate list              // option was passed              if (item.Type == FtpFileSystemObjectType.Link && (options & FtpListOption.DerefLinks) == FtpListOption.DerefLinks) {                  item.LinkObject = DereferenceLink(item);              }                if ((options & FtpListOption.Modify) == FtpListOption.Modify && HasFeature(FtpCapability.MDTM)) {                  // if the modified date was not loaded or the modified date is more than a day in the future                  // and the server supports the MDTM command, load the modified date.                  // most servers do not support retrieving the modified date                  // of a directory but we try any way.                  if (item.Modified == DateTime.MinValue || listcmd.StartsWith("LIST")) {                      DateTime modify;                        if (item.Type == FtpFileSystemObjectType.Directory)                          FtpTrace.WriteLine("Trying to retrieve modification time of a directory, some servers don't like this...");                        if ((modify = GetModifiedTime(item.FullName)) != DateTime.MinValue)                          item.Modified = modify;                  }              }                if ((options & FtpListOption.Size) == FtpListOption.Size && HasFeature(FtpCapability.SIZE)) {                  // if no size was parsed, the object is a file and the server                  // supports the SIZE command, then load the file size                  if (item.Size == -1) {                      if (item.Type != FtpFileSystemObjectType.Directory) {                          item.Size = GetFileSize(item.FullName);                      }                      else {                          item.Size = 0;                      }                  }              }          }      }        return lst.ToArray();  }   /// <summary>  /// Creates a valid FTP path by appending the specified segments to this string  /// </summary>  /// <param name="path">This string</param>  /// <param name="segments">The path segments to append</param>  /// <returns>A valid FTP path</returns>  public static string GetFtpPath(this string path, params string[] segments) {      if (String.IsNullOrEmpty(path))          path = "./";        foreach (string part in segments) {          if (part != null) {              if (path.Length > 0 && !path.EndsWith("/"))                  path += "/";              //path += Regex.Replace(part.Replace('\\', '/'), "[/]+", "/").TrimEnd('/'); //变成重复          }      }        path = Regex.Replace(path.Replace('\\', '/'), "[/]+", "/").TrimEnd('/');      if (path.Length == 0)          path = "/";        /*if (!path.StartsWith("/") || !path.StartsWith("./"))          path = "./" + path;*/        return path;  }

　　测试

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/// <summary>     /// 涂聚文     /// Geovin Du     /// 2017-08-02     /// </summary>     /// <param name="sender"></param>     /// <param name="e"></param>     private void button1_Click(object sender, EventArgs e)     {         FtpClient client = new FtpClient();         client.Host = ftpServer;         client.Encoding = System.Text.Encoding.GetEncoding("GB2312");         // if you don't specify login credentials, we use the "anonymous" user account         client.Credentials = new NetworkCredential(user, pwd);           // begin connecting to the server         client.Connect();         //client.SetWorkingDirectory("/htdocs/");           //文件夹和文件（未成功）         //FtpListOption.NameList 当前文件夹下的文件         //FtpListOption.AllFiles 当前文件夹下文件和文件夹         FtpListItem[] items = client.GetListing("/htdocs/", FtpListOption.AllFiles);//根目录下可以。 AllFiles         this.dataGridView1.DataSource = items;           //获取的是所有文件名         //client.SetWorkingDirectory("/htdocs/");         //string[] items = client.GetNameListing();         //List<FileInfoList> list = new List<FileInfoList>();         //foreach (string str in items)         //{         //    FileInfoList info = new FileInfoList();         //    info.Name = str;         //    info.Date = DateTime.Now;         //    list.Add(info);         //}         //this.dataGridView1.DataSource = list;     } }   /// <summary> /// /// </summary> public class FileInfoList {     public string Name { set; get; }       public DateTime Date { set; get; }   }

　https://github.com/hgupta9/FluentFTP

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/// <summary>         /// Gets a file listing from the server. Each <see cref="FtpListItem"/> object returned         /// contains information about the file that was able to be retrieved.         /// 读取文件和文件夹         /// 涂聚文 2017-08-02 小小修改         /// </summary>         /// <remarks>         /// If a <see cref="DateTime"/> property is equal to <see cref="DateTime.MinValue"/> then it means the         /// date in question was not able to be retrieved. If the <see cref="FtpListItem.Size"/> property         /// is equal to 0, then it means the size of the object could also not         /// be retrieved.         /// </remarks>         /// <param name="path">The path of the directory to list</param>         /// <param name="options">Options that dictacte how a list is performed and what information is gathered.</param>         /// <returns>An array of FtpListItem objects</returns>         /// <example><code source="..\Examples\GetListing.cs" lang="cs" /></example>         public FtpListItem[] GetListing(string path, FtpListOption options) {               FtpTrace.WriteFunc("GetListing", new object[] { path, options });               FtpListItem item = null;             List<FtpListItem> lst = new List<FtpListItem>();             List<string> rawlisting = new List<string>();             string listcmd = null;             string buf = null;               // read flags             bool isIncludeSelf = (options & FtpListOption.IncludeSelfAndParent) == FtpListOption.IncludeSelfAndParent;             bool isForceList = (options & FtpListOption.ForceList) == FtpListOption.ForceList;             bool isNoPath = (options & FtpListOption.NoPath) == FtpListOption.NoPath;             bool isNameList = (options & FtpListOption.NameList) == FtpListOption.NameList;             bool isUseLS = (options & FtpListOption.UseLS) == FtpListOption.UseLS;             bool isAllFiles = (options & FtpListOption.AllFiles) == FtpListOption.AllFiles;             bool isRecursive = (options & FtpListOption.Recursive) == FtpListOption.Recursive && RecursiveList;             bool isDerefLinks = (options & FtpListOption.DerefLinks) == FtpListOption.DerefLinks;             bool isGetModified = (options & FtpListOption.Modify) == FtpListOption.Modify;             bool isGetSize = (options & FtpListOption.Size) == FtpListOption.Size;               // calc path to request             path = GetAbsolutePath(path);               // MLSD provides a machine readable format with 100% accurate information             // so always prefer MLSD over LIST unless the caller of this method overrides it with the ForceList option             bool machineList = false; //||             if ((!isForceList & m_parser == FtpParser.Machine) && HasFeature(FtpCapability.MLSD)) {                 listcmd = "MLSD";                 machineList = true;             } else {                 if (isUseLS) {                     listcmd = "LS";                 } else if (isNameList) {                     listcmd = "NLST";                 } else {                     string listopts = "";                       listcmd = "LIST";                       if (isAllFiles)                         listopts += "a"; //读取所有文件夹和文件                       if (isRecursive)                         listopts += "R";                       if (listopts.Length > 0)                         listcmd += " -" + listopts;                 }             }               if (!isNoPath) {                 listcmd = (listcmd + " " + path.GetFtpPath());             }   #if !CORE14             lock (m_lock) { #endif                 Execute("TYPE I");                 //读取出文件夹或文件 读取所有文件夹和文件 LIST a                 // read in raw file listing                 using (FtpDataStream stream = OpenDataStream(listcmd, 0)) {                     try {                         FtpTrace.WriteLine(FtpTraceLevel.Verbose, "+---------------------------------------+");                           if (this.BulkListing) {                               // increases performance of GetListing by reading multiple lines of the file listing at once                             foreach (var line in stream.ReadAllLines(Encoding, this.BulkListingLength)) {                                 if (!FtpExtensions.IsNullOrWhiteSpace(line)) {                                     rawlisting.Add(line);                                     FtpTrace.WriteLine(FtpTraceLevel.Verbose, "Listing:  " + line);                                 }                             }                           } else {                               // GetListing will read file listings line-by-line (actually byte-by-byte)                             while ((buf = stream.ReadLine(Encoding)) != null) {                                 if (buf.Length > 0) {                                     rawlisting.Add(buf);                                     FtpTrace.WriteLine(FtpTraceLevel.Verbose, "Listing:  " + buf);                                 }                             }                         }                           FtpTrace.WriteLine(FtpTraceLevel.Verbose, "-----------------------------------------");                       } finally {                         stream.Close();                     }                 } #if !CORE14             } #endif             //在上循环中读取文件或文件夹属性             for (int i = 0; i < rawlisting.Count; i++) {                 buf = rawlisting[i];                   if (isNameList) {                       // if NLST was used we only have a file name so                     // there is nothing to parse.                     item = new FtpListItem() {                         FullName = buf                     };                       if (DirectoryExists(item.FullName))                         item.Type = FtpFileSystemObjectType.Directory;                     else                         item.Type = FtpFileSystemObjectType.File;                       lst.Add(item);                   } else {                       // if this is a result of LIST -R then the path will be spit out                     // before each block of objects                     if (listcmd.StartsWith("LIST") && isRecursive) {                         if (buf.StartsWith("/") && buf.EndsWith(":")) {                             path = buf.TrimEnd(':');                             continue;                         }                     }                       // if the next line in the listing starts with spaces                     // it is assumed to be a continuation of the current line                     if (i + 1 < rawlisting.Count && (rawlisting[i + 1].StartsWith("\t") || rawlisting[i + 1].StartsWith(" ")))                         buf += rawlisting[++i];                       try {                         item = m_listParser.ParseSingleLine(path, buf, m_caps, machineList);                     } catch (FtpListParser.CriticalListParseException) {                         FtpTrace.WriteStatus(FtpTraceLevel.Verbose, "Restarting parsing from first entry in list");                         i = -1;                         lst.Clear();                         continue;                     }                       // FtpListItem.Parse() returns null if the line                     // could not be parsed                     if (item != null) {                         if (isIncludeSelf || !(item.Name == "." || item.Name == "..")) {                             lst.Add(item);                         } else {                             //FtpTrace.WriteStatus(FtpTraceLevel.Verbose, "Skipped self or parent item: " + item.Name);                         }                     } else {                         FtpTrace.WriteStatus(FtpTraceLevel.Warn, "Failed to parse file listing: " + buf);                     }                 }                   // load extended information that wasn't available if the list options flags say to do so.                 if (item != null) {                       // try to dereference symbolic links if the appropriate list                     // option was passed                     if (item.Type == FtpFileSystemObjectType.Link && isDerefLinks) {                         item.LinkObject = DereferenceLink(item);                     }                       // if need to get file modified date                     if (isGetModified && HasFeature(FtpCapability.MDTM)) {                           // if the modified date was not loaded or the modified date is more than a day in the future                         // and the server supports the MDTM command, load the modified date.                         // most servers do not support retrieving the modified date                         // of a directory but we try any way.                         if (item.Modified == DateTime.MinValue || listcmd.StartsWith("LIST")) {                             DateTime modify;                               if (item.Type == FtpFileSystemObjectType.Directory)                                 FtpTrace.WriteStatus(FtpTraceLevel.Verbose, "Trying to retrieve modification time of a directory, some servers don't like this...");                               if ((modify = GetModifiedTime(item.FullName)) != DateTime.MinValue)                                 item.Modified = modify;                         }                     }                       // if need to get file size                     if (isGetSize && HasFeature(FtpCapability.SIZE)) {                           // if no size was parsed, the object is a file and the server                         // supports the SIZE command, then load the file size                         if (item.Size == -1) {                             if (item.Type != FtpFileSystemObjectType.Directory) {                                 item.Size = GetFileSize(item.FullName); //尺寸要换算一下                             } else {                                 item.Size = 0;                             }                         }                     }                 }             }               return lst.ToArray();         }           /// <summary>         /// Creates a valid FTP path by appending the specified segments to this string         /// 涂聚文 2017-08-02 小小修改         /// </summary>         /// <param name="path">This string</param>         /// <param name="segments">The path segments to append</param>         /// <returns>A valid FTP path</returns>         public static string GetFtpPath(this string path, params string[] segments) {             if (String.IsNullOrEmpty(path))                 path = "./";               foreach (string part in segments) {                 if (part != null) {                     if (path.Length > 0 && !path.EndsWith("/"))                         path += "/";                     //path = Regex.Replace(part.Replace('\\', '/'), "[/]+", "/").TrimEnd('/');  //这里重复 path +=                 }             }               path = Regex.Replace(path.Replace('\\', '/'), "[/]+", "/").TrimEnd('/');             if (path.Length == 0)                 path = "/";               /*if (!path.StartsWith("/") || !path.StartsWith("./"))                 path = "./" + path;*/               return path;         }