Пример #1
0
        private static ICredentials RebuildCredentials(ICredentials credentials, string redirectUrl)
        {
            CredentialCache cc = credentials as CredentialCache;

            if (cc != null)
            {
                IEnumerator iterate = cc.GetEnumerator();
                while (iterate.MoveNext())
                {
                    NetworkCredential c = iterate.Current as NetworkCredential;
                    if (c != null)
                    {
                        // we just take the first one to recreate
                        string domainUser = c.Domain;
                        if (!string.IsNullOrEmpty(domainUser))
                        {
                            domainUser = domainUser + @"\";
                        }
                        domainUser = String.Concat(domainUser, c.UserName);
                        return(FeedSource.CreateCredentialsFrom(redirectUrl, domainUser, c.Password));
                    }
                }
            }
            // give up/forward original credentials:
            return(credentials);
        }
        /// <summary>
        /// Download application state either as a ZIP file or as a SIAM file from a remote location.
        /// </summary>
        /// <param name="syncFormat">The synchronization format to use</param>
        public void RunDownload(SynchronizationFormat syncFormat)
        {
            try
            {
                Stream importStream = null;
                string tempFileName = null;

                switch (remoteProtocol)
                {
                case RemoteStorageProtocolType.UNC:
                    // Fetch from a UNC path
                    importStream =
                        File.Open(
                            Path.Combine(Environment.ExpandEnvironmentVariables(remoteLocation), remoteFileName),
                            FileMode.Open);
                    break;

                //case RemoteStorageProtocolType.dasBlog:
                //    // Fetch from the dasBlog web service
                //    // Connect to the web service and request an update
                //    ConfigEditingService remoteStore = new ConfigEditingService();
                //    remoteStore.Url = remoteLocation;
                //    remoteStore.authenticationHeaderValue = new authenticationHeader();
                //    remoteStore.authenticationHeaderValue.userName = credentialUser;
                //    remoteStore.authenticationHeaderValue.password = credentialPassword;
                //    remoteStore.Proxy = rssBanditApp.Proxy;

                //    importStream = new MemoryStream();
                //    XmlElement xml = remoteStore.GetBlogroll("blogroll"); // ".opml" is appended by the service!

                //    XmlDocument doc = new XmlDocument();
                //    doc.LoadXml(xml.OuterXml);
                //    doc.Save(importStream);
                //    importStream.Position = 0;
                //    break;


                case RemoteStorageProtocolType.FTP:
                    // Fetch from FTP
                    Uri        remoteUri = new Uri(remoteLocation);
                    UriBuilder builder   = new UriBuilder(remoteUri);
                    builder.Path += builder.Path.EndsWith("/") ? remoteFileName : "/" + remoteFileName;

                    /* set up the FTP connection */
                    FtpWebRequest ftpRequest = (FtpWebRequest)WebRequest.Create(builder.Uri);
                    ftpRequest.Method      = WebRequestMethods.Ftp.DownloadFile;
                    ftpRequest.KeepAlive   = false;
                    ftpRequest.UseBinary   = true;
                    ftpRequest.UsePassive  = settings.GetProperty(Ps.FtpConnectionModePassive, true);
                    ftpRequest.Credentials = new NetworkCredential(credentialUser, credentialPassword);


                    // Create a file stream and get the file into that
                    tempFileName = Path.GetTempFileName();
                    Stream fileStream = File.Create(tempFileName);

                    /* perform download */
                    try
                    {
                        // The buffer size is set to 2kb
                        const int buffLength = 2048;
                        byte[]    buff       = new byte[buffLength];

                        var response = (FtpWebResponse)ftpRequest.GetResponse();

                        // Stream to which the file to be upload is written
                        Stream strm = response.GetResponseStream();
                        if (strm != null)
                        {
                            // Read from the FTP stream 2kb at a time
                            int contentLen = strm.Read(buff, 0, buffLength);

                            // Till Stream content ends
                            while (contentLen != 0)
                            {
                                // Write Content from the file stream to the
                                // FTP Upload Stream
                                fileStream.Write(buff, 0, contentLen);
                                contentLen = strm.Read(buff, 0, buffLength);
                            }

                            // Close the Response Stream
                            strm.Close();
                        }
                    }
                    catch (Exception ex)
                    {
                        //ToDO: Add support for switching between active and passive mode
                        this.p_operationException = ex;
                        _log.Error("FTP Download Error", ex);
                    }

                    fileStream.Close();

                    // save new setting:
                    //settings.SetProperty("RemoteFeedlist/Ftp.ConnectionMode.Passive", connectionMode_Passive);

                    // Open the temporary file so we can import it
                    if (p_operationException == null)
                    {
                        importStream = File.OpenRead(tempFileName);
                    }
                    break;

                case RemoteStorageProtocolType.WebDAV:

                    remoteUri = new Uri(remoteLocation.EndsWith("/")
                                                ? remoteLocation + remoteFileName
                                                : remoteLocation + "/" + remoteFileName);

                    HttpWebRequest request = (HttpWebRequest)WebRequest.Create(remoteUri);
                    request.Method            = "GET";
                    request.AllowAutoRedirect = true;
                    request.UserAgent         = RssBanditApplication.UserAgent;
                    request.Proxy             = rssBanditApp.Proxy;

                    if (!string.IsNullOrEmpty(credentialUser))
                    {
                        NetworkCredential nc =
                            FeedSource.CreateCredentialsFrom(credentialUser, credentialPassword);

                        CredentialCache cc = new CredentialCache();
                        cc.Add(remoteUri, "Basic", nc);
                        cc.Add(remoteUri, "Digest", nc);
                        cc.Add(remoteUri, "NTLM", nc);

                        request.Credentials = cc;
                    }

                    importStream = request.GetResponse().GetResponseStream();

                    break;

                default:
                    Debug.Assert(false,
                                 "unknown remote protocol: '" + remoteProtocol + "' in RemoteFeedlistThreadHandler");
                    break;
                }

                // Now import the downloaded feed list
                if (importStream != null)
                {
                    try
                    {
                        if ((remoteProtocol == RemoteStorageProtocolType.dasBlog) ||
                            (remoteProtocol == RemoteStorageProtocolType.dasBlog_1_3))
                        {
                            rssBanditApp.BanditFeedSource.ImportFeedlist(importStream);
                        }
                        else
                        {
                            Synchronize(importStream, syncFormat);
                        }
                    }
                    catch (Exception ex)
                    {
                        p_operationException = ex;
                    }
                    finally
                    {
                        importStream.Close();
                    }
                }

                if (tempFileName != null)
                {
                    File.Delete(tempFileName);
                }
            }
            catch (ThreadAbortException)
            {
                // eat up
            }
            catch (Exception ex)
            {
                p_operationException = ex;
                _log.Error("RunDownload(" + syncFormat + ") Exception", ex);
            }
            finally
            {
                WorkDone.Set();
            }
        }
        /// <summary>
        /// Upload application state either as a ZIP file or as a SIAM file
        /// </summary>
        /// <param name="syncFormat">The synchronization format to use</param>
        public void RunUpload(SynchronizationFormat syncFormat)
        {
            List <string> files = new List <string>(new[] {
                RssBanditApplication.GetFeedSourcesFileName(),
                RssBanditApplication.GetFlagItemsFileName(),
                RssBanditApplication.GetSearchFolderFileName(),
                RssBanditApplication.GetSentItemsFileName(),
                RssBanditApplication.GetWatchedItemsFileName()
            });

            // add files managed by Bandit data storage (column layout and user identities):
            IUserRoamingDataService dataService = IoC.Resolve <IUserRoamingDataService>();

            if (dataService != null)
            {
                files.AddRange(dataService.GetUserDataFileNames());
            }

            // add files managed by NewComponents feed source data storage (e.g. Nntp Server Definitions filename) :
            rssBanditApp.FeedSources.ForEach(f =>
            {
                files.AddRange(f.GetDataServiceFiles());
                files.Add(f.SubscriptionLocation.Location);
            });

            try
            {
                rssBanditApp.SaveApplicationState();

                // Older versions support:
                FeedSourceEntry entry = rssBanditApp.FeedSources.Sources.FirstOrDefault(
                    fs => fs.SourceType == FeedSourceType.DirectAccess);

                if (entry != null)
                {
                    //copy BanditFeedSource feed list to subscriptions.xml (backward versions compatibility support)
                    File.Copy(entry.Source.SubscriptionLocation.Location,
                              RssBanditApplication.OldVersionSupport.GetSubscriptionsFileName(),
                              true);

                    //convert subscriptions.xml to feedlist.xml then save to temp folder
                    using (Stream xsltStream = Resource.GetStream("Resources.feedlist2subscriptions.xslt"))
                    {
                        XslCompiledTransform xslt = new XslCompiledTransform();
                        xslt.Load(new XmlTextReader(xsltStream));
                        xslt.Transform(
                            entry.Source.SubscriptionLocation.Location,
                            RssBanditApplication.OldVersionSupport.GetFeedListFileName());
                    }

                    files.AddRange(new[] {
                        RssBanditApplication.OldVersionSupport.GetSubscriptionsFileName(),
                        RssBanditApplication.OldVersionSupport.GetFeedListFileName()
                    });
                }

                using (MemoryStream tempStream = new MemoryStream())
                {
                    //ZipOutputStream zos;
                    switch (remoteProtocol)
                    {
                    case RemoteStorageProtocolType.UNC:

                        using (FileStream fs = FileHelper.OpenForWrite(
                                   Path.Combine(Environment.ExpandEnvironmentVariables(remoteLocation), remoteFileName)))
                        {
                            var zos = new ZipOutputStream(fs);
                            FileHelper.ZipFiles(files, zos);
                        }

                        break;

                    //case RemoteStorageProtocolType.dasBlog:

                    //    //save direct access feed list as OPML:
                    //    rssBanditApp.BanditFeedSource.SaveFeedList(tempStream, FeedListFormat.OPML);
                    //    tempStream.Position = 0;

                    //    XmlDocument doc = new XmlDocument();
                    //    doc.Load(tempStream);

                    //    // Send it to the web service
                    //    ConfigEditingService remoteStore = new ConfigEditingService();

                    //    remoteStore.Url = remoteLocation;
                    //    remoteStore.authenticationHeaderValue = new authenticationHeader();
                    //    remoteStore.authenticationHeaderValue.userName = credentialUser;
                    //    remoteStore.authenticationHeaderValue.password = credentialPassword;
                    //    remoteStore.Proxy = rssBanditApp.Proxy;

                    //    //TODO: figure out, when we have to use Credentials????
                    //    //	remoteStore.Credentials =   FeedSource.CreateCredentialsFrom(credentialUser, credentialPassword);

                    //    remoteStore.PostBlogroll("blogroll", doc.DocumentElement);
                    //        // ".opml" is appended by the service!
                    //    break;


                    case RemoteStorageProtocolType.FTP:                             // Send to FTP server

                        var zosFtp = new ZipOutputStream(tempStream);

                        FileHelper.ZipFiles(files, zosFtp);

                        tempStream.Position = 0;

                        var        ftpUri  = new Uri(remoteLocation);
                        UriBuilder builder = new UriBuilder(ftpUri);
                        builder.Path += builder.Path.EndsWith("/") ? remoteFileName : "/" + remoteFileName;


                        /* set up the FTP connection */
                        FtpWebRequest ftpRequest = (FtpWebRequest)WebRequest.Create(builder.Uri);
                        ftpRequest.Method        = WebRequestMethods.Ftp.UploadFile;
                        ftpRequest.KeepAlive     = false;
                        ftpRequest.UseBinary     = true;
                        ftpRequest.UsePassive    = settings.GetProperty(Ps.FtpConnectionModePassive, true);
                        ftpRequest.Credentials   = new NetworkCredential(credentialUser, credentialPassword);
                        ftpRequest.ContentLength = tempStream.Length;

                        /* perform upload */
                        try
                        {
                            // The buffer size is set to 2kb
                            const int buffLength = 2048;
                            byte[]    buff       = new byte[buffLength];

                            // Stream to which the file to be upload is written
                            using (Stream strm = ftpRequest.GetRequestStream())
                            {
                                // Read from the file stream 2kb at a time
                                int contentLen = tempStream.Read(buff, 0, buffLength);

                                // Till Stream content ends
                                while (contentLen != 0)
                                {
                                    // Write Content from the file stream to the
                                    // FTP Upload Stream
                                    strm.Write(buff, 0, contentLen);
                                    contentLen = tempStream.Read(buff, 0, buffLength);
                                }
                            }
                        }
                        catch (Exception ex)
                        {
                            //ToDO: Add support for switching between active and passive mode
                            p_operationException = ex;
                            _log.Error("FTP Upload Error", ex);
                        }

                        break;

                    case RemoteStorageProtocolType.WebDAV:

                        var zosDav = new ZipOutputStream(tempStream);

                        FileHelper.ZipFiles(files, zosDav);

                        var remoteUri = new Uri(remoteLocation.EndsWith("/")
                                                                ? remoteLocation + remoteFileName
                                                                : remoteLocation + "/" + remoteFileName);

                        tempStream.Position = 0;

                        HttpWebRequest request = (HttpWebRequest)WebRequest.Create(remoteUri);
                        request.Method            = "PUT";
                        request.ContentType       = "application/zip";
                        request.AllowAutoRedirect = true;
                        request.UserAgent         = RssBanditApplication.UserAgent;
                        request.Proxy             = rssBanditApp.Proxy;

                        if (!string.IsNullOrEmpty(credentialUser))
                        {
                            NetworkCredential nc =
                                FeedSource.CreateCredentialsFrom(credentialUser, credentialPassword);

                            CredentialCache cc = new CredentialCache();
                            cc.Add(remoteUri, "Basic", nc);
                            cc.Add(remoteUri, "Digest", nc);
                            cc.Add(remoteUri, "NTLM", nc);

                            request.Credentials = cc;
                        }

                        byte[] bytes = new byte[tempStream.Length];
                        tempStream.Read(bytes, 0, bytes.Length);

                        request.ContentLength = bytes.Length;

                        Stream requestStream = request.GetRequestStream();
                        requestStream.Write(bytes, 0, bytes.Length);
                        requestStream.Close();

                        break;

                    default:

                        Debug.Assert(false,
                                     "unknown remote protocol: '" + remoteProtocol +
                                     "' in RemoteFeedlistThreadHandler");
                        break;
                    }
                }

                // Cool, we made it
            }
            catch (ThreadAbortException)
            {
                // eat up
            }
            catch (Exception ex)
            {
                p_operationException = ex;
                _log.Error("RunUpload(" + syncFormat + ") Exception", ex);
            }
            finally
            {
                WorkDone.Set();
            }
        }