/// <summary>
/// Saves the specified FTP Options Connection File.
/// </summary>
/// <param name="ops">The FTP Options to save</param>
/// <param name="conName">The file name to use</param>
public void Save(FTPOptions ops, string conName)
{
string rootPath = Path.Combine(Application.StartupPath, "FTP");
XmlTextWriter xtw = new XmlTextWriter(Path.Combine(rootPath, RemoveUnsupportedChars(conName) + ".xml"), Encoding.UTF8);
xtw.WriteStartDocument();
xtw.WriteStartElement("FTPOptions");
xtw.WriteStartElement("UserName");
xtw.WriteString(ops.UserName);
xtw.WriteEndElement();
xtw.WriteStartElement("UserPassword");
xtw.WriteString(ops.UserPassword);
xtw.WriteEndElement();
xtw.WriteStartElement("FTPAddress");
xtw.WriteString(ops.FTPAddress);
xtw.WriteEndElement();
xtw.WriteStartElement("UsePassive");
xtw.WriteString(ops.UsePassive.ToString());
xtw.WriteEndElement();
xtw.WriteStartElement("AnonymousLogin");
xtw.WriteString(ops.AnonymousLogin.ToString());
xtw.WriteEndElement();
xtw.WriteStartElement("UseSSL");
xtw.WriteString(ops.UseSSL.ToString());
xtw.WriteEndElement();
xtw.WriteEndElement();
xtw.WriteEndDocument();
xtw.Close();
}
/// <summary>
/// Lists the available files in an FTP Remote path
/// </summary>
/// <param name="Options">The FTP Options to use</param>
/// <param name="RemotePath">The remote path to list files for</param>
/// <param name="Extensions">The file extension list</param>
/// <returns>The list of files to display</returns>
public static List <string> ListFiles(FTPOptions Options, string RemotePath, List <string> Extensions)
{
List <string> returnList = new List <string>();
FtpWebRequest request = SetupRequest(Options, RemotePath);
request.Method = WebRequestMethods.Ftp.ListDirectory;
FtpWebResponse response = (FtpWebResponse)request.GetResponse();
Stream responseStream = response.GetResponseStream();
StreamReader sr = new StreamReader(responseStream);
string line = sr.ReadLine();
while (line != null)
{
if (line.Contains("."))
{
foreach (string ext in Extensions)
{
if (line.Contains("." + ext))
{
returnList.Add(line);
break;
}
}
}
line = sr.ReadLine();
}
sr.Close();
response.Close();
return(returnList);
}
/// <summary>
/// Downloads the selected file from the FTP site
/// </summary>
/// <param name="Options">The FTP Options to use</param>
/// <param name="RemotePath">The remove file path to download</param>
/// <returns>The file contents after download</returns>
public static string Get(FTPOptions Options, string RemotePath)
{
FtpWebRequest request = SetupRequest(Options, RemotePath);
request.Method = WebRequestMethods.Ftp.DownloadFile;
FtpWebResponse response = (FtpWebResponse)request.GetResponse();
Stream responseStream = response.GetResponseStream();
StreamReader sr = new StreamReader(responseStream);
string s = sr.ReadToEnd();
sr.Close();
response.Close();
return(s);
}
/// <summary>
/// Uploads a file to the specified FTP site.
/// </summary>
/// <param name="Options">The FTP Options to use</param>
/// <param name="fileContents">The contents of the file to upload</param>
/// <param name="RemotePath">The remote path to upload file to</param>
/// <param name="fileIndex">The index of the file to upload</param>
/// <returns>The file name after upload</returns>
public static string Send(FTPOptions Options, string fileContents, string RemotePath, int fileIndex)
{
byte[] contents = Encoding.UTF8.GetBytes(fileContents);
string returnFName = String.Format("HL7Analyst{0}{1}.hl7", DateTime.Now.ToString("MMddyyyyHHmmss"), fileIndex);
FtpWebRequest request = SetupRequest(Options, RemotePath + "/" + returnFName);
request.Method = WebRequestMethods.Ftp.UploadFile;
request.ContentLength = contents.Length;
Stream requestStream = request.GetRequestStream();
requestStream.Write(contents, 0, contents.Length);
requestStream.Close();
return(returnFName);
}
/// <summary>
/// Loads the specified FTP Connection file
/// </summary>
/// <param name="FTPFile">The FTP Connection file to open</param>
/// <returns>The FTP Options pulled from the FTP Connection file</returns>
public static FTPOptions Load(string FTPFile)
{
string rootPath = Path.Combine(Application.StartupPath, "FTP");
XmlTextReader xtr = new XmlTextReader(Path.Combine(rootPath, FTPFile + ".xml"));
xtr.Read();
XmlDocument xDoc = new XmlDocument();
xDoc.Load(xtr);
FTPOptions ftpo = new FTPOptions();
if (xDoc.SelectSingleNode("FTPOptions/UserName") != null)
{
ftpo.UserName = xDoc.SelectSingleNode("FTPOptions/UserName").InnerText;
}
if (xDoc.SelectSingleNode("FTPOptions/UserPassword") != null)
{
ftpo.UserPassword = xDoc.SelectSingleNode("FTPOptions/UserPassword").InnerText;
}
if (xDoc.SelectSingleNode("FTPOptions/FTPAddress") != null)
{
ftpo.FTPAddress = xDoc.SelectSingleNode("FTPOptions/FTPAddress").InnerText;
}
if (xDoc.SelectSingleNode("FTPOptions/UsePassive") != null)
{
ftpo.UsePassive = Convert.ToBoolean(xDoc.SelectSingleNode("FTPOptions/UsePassive").InnerText);
}
if (xDoc.SelectSingleNode("FTPOptions/UserName") != null)
{
ftpo.AnonymousLogin = Convert.ToBoolean(xDoc.SelectSingleNode("FTPOptions/AnonymousLogin").InnerText);
}
if (xDoc.SelectSingleNode("FTPOptions/UseSSL") != null)
{
ftpo.UseSSL = Convert.ToBoolean(xDoc.SelectSingleNode("FTPOptions/UseSSL").InnerText);
}
xtr.Close();
return(ftpo);
}
/// <summary>
/// Sets up the FTPWebRequest object to be used
/// </summary>
/// <param name="Options">The FTP Options to use</param>
/// <param name="RemotePath">The remote path to use</param>
/// <returns>The FTP Web Request to be used</returns>
private static FtpWebRequest SetupRequest(FTPOptions Options, string RemotePath)
{
FtpWebRequest request = (FtpWebRequest)WebRequest.Create(RemotePath);
request.UsePassive = Options.UsePassive;
if (Options.AnonymousLogin)
{
request.Credentials = new NetworkCredential("Anonymous", "");
}
else
{
request.Credentials = new NetworkCredential(Options.UserName, Options.UserPassword);
}
if (Options.UseSSL)
{
request.EnableSsl = true;
}
else
{
request.EnableSsl = false;
}
return(request);
}
