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using System;
using System.Collections.Generic;
using System.IO;
using Duplicati.Library.Interface;
namespace Duplicati.Library.Backend
{
public class Dropbox : IBackend, IStreamingBackend
{
private const string AUTHID_OPTION = "authid";
private const int MAX_FILE_LIST = 10000;
private string m_path,m_accesToken;
private DropboxHelper dbx;
public Dropbox()
{
}
public Dropbox(string url, Dictionary<string, string> options)
{
var uri = new Utility.Uri(url);
m_path = Library.Utility.Uri.UrlDecode(uri.HostAndPath);
if (m_path.Length != 0 && !m_path.StartsWith("/"))
m_path = "/" + m_path;
if (m_path.EndsWith("/"))
m_path = m_path.Substring(0, m_path.Length - 1);
if (options.ContainsKey(AUTHID_OPTION))
m_accesToken = options[AUTHID_OPTION];
dbx = new DropboxHelper(m_accesToken);
}
public void Dispose()
{
// do nothing
}
public string DisplayName
{
get { return Strings.Dropbox.DisplayName; }
}
public string ProtocolKey
{
get { return "dropbox"; }
}
private FileEntry ParseEntry(MetaData md)
{
var ife = new FileEntry(md.name);
if (md.IsFile)
{
ife.IsFolder = false;
ife.Size = (long)md.size;
}
else
{
ife.IsFolder = true;
}
try { ife.LastModification = ife.LastAccess = DateTime.Parse(md.server_modified).ToUniversalTime(); }
catch { }
return ife;
}
public List<IFileEntry> List()
{
try
{
var list = new List<IFileEntry>();
var lfr = dbx.ListFiles(m_path);
foreach (var md in lfr.entries)
list.Add(ParseEntry(md));
while (lfr.has_more)
{
lfr = dbx.ListFilesContinue(lfr.cursor);
foreach (var md in lfr.entries)
list.Add(ParseEntry(md));
}
return list;
}
catch (DropboxException de)
{
if (de.errorJSON["error"][".tag"].ToString() == "path" && de.errorJSON["error"]["path"][".tag"].ToString() == "not_found")
throw new FolderMissingException();
throw;
}
}
public void Put(string remotename, string filename)
{
using(FileStream fs = System.IO.File.OpenRead(filename))
Put(remotename,fs);
}
public void Get(string remotename, string filename)
{
using(FileStream fs = System.IO.File.Create(filename))
Get(remotename, fs);
}
public void Delete(string remotename)
{
try
{
string path = String.Format("{0}/{1}", m_path, remotename);
dbx.Delete(path);
}
catch (DropboxException de)
{
// we can catch some events here and convert them to Duplicati exceptions
throw;
}
}
public IList<ICommandLineArgument> SupportedCommands
{
get
{
return new List<ICommandLineArgument>(new ICommandLineArgument[] {
new CommandLineArgument(AUTHID_OPTION, CommandLineArgument.ArgumentType.Password, Strings.Dropbox.AuthidShort, Strings.Dropbox.AuthidLong(OAuthHelper.OAUTH_LOGIN_URL("dropbox"))),
});
}
}
public string Description { get { return Strings.Dropbox.Description; } }
public void Test()
{
List();
}
public void CreateFolder()
{
try
{
dbx.CreateFolder(m_path);
}
catch (DropboxException de)
{
if (de.errorJSON["error"][".tag"].ToString() == "path" && de.errorJSON["error"]["path"][".tag"].ToString() == "conflict")
throw new FolderAreadyExistedException();
throw;
}
}
public void Put(string remotename, Stream stream)
{
try
{
string path = string.Format("{0}/{1}", m_path, remotename);
dbx.UploadFile(path, stream);
}
catch (DropboxException de)
{
// we can catch some events here and convert them to Duplicati exceptions
throw;
}
}
public void Get(string remotename, Stream stream)
{
try
{
string path = string.Format("{0}/{1}", m_path, remotename);
dbx.DownloadFile(path, stream);
}
catch (DropboxException de)
{
// we can catch some events here and convert them to Duplicati exceptions
throw;
}
}
}
}
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