public static SystemDSN GetOdbcSource(int itemId)
{
// load meta item
SystemDSN item = (SystemDSN)PackageController.GetPackageItem(itemId);
// load service item
OS.OperatingSystem os = GetOS(item.ServiceId);
SystemDSN dsn = os.GetDSN(item.Name);
// add common properties
dsn.Id = item.Id;
dsn.PackageId = item.PackageId;
dsn.ServiceId = item.ServiceId;
if (dsn.Driver == "MsAccess" || dsn.Driver == "Excel" || dsn.Driver == "Text")
{
dsn.DatabaseName = FilesController.GetVirtualPackagePath(item.PackageId, dsn.DatabaseName);
}
return(dsn);
}
public int BackupItem(string tempFolder, System.Xml.XmlWriter writer, ServiceProviderItem item, ResourceGroupInfo group)
{
if (item is HomeFolder)
{
// backup home folder files
string backupName = String.Format("SpaceFiles_{0}_{1}.zip",
item.Id, DateTime.Now.Ticks);
// get the list of remote files
List <SystemFile> files = FilesController.GetFiles(item.PackageId, "\\", true);
string[] zipFiles = new string[files.Count];
for (int i = 0; i < zipFiles.Length; i++)
{
zipFiles[i] = files[i].Name;
}
// zip remote files
FilesController.ZipFiles(item.PackageId, zipFiles, backupName);
// download zipped file
string localBackupPath = Path.Combine(tempFolder, backupName);
byte[] buffer = null;
FileStream stream = new FileStream(localBackupPath, FileMode.Create, FileAccess.Write);
int offset = 0;
long length = 0;
do
{
// read remote content
buffer = FilesController.GetFileBinaryChunk(item.PackageId, backupName, offset, FILE_BUFFER_LENGTH);
// write remote content
stream.Write(buffer, 0, buffer.Length);
length += buffer.Length;
offset += FILE_BUFFER_LENGTH;
}while (buffer.Length == FILE_BUFFER_LENGTH);
stream.Close();
// delete zipped file
if (FilesController.FileExists(item.PackageId, backupName))
{
FilesController.DeleteFiles(item.PackageId, new string[] { backupName });
}
// add file pointer
BackupController.WriteFileElement(writer, "SpaceFiles", backupName, length);
// store meta item
XmlSerializer serializer = new XmlSerializer(typeof(HomeFolder));
serializer.Serialize(writer, item);
}
else if (item is SystemDSN)
{
// backup ODBC DSN
OS.OperatingSystem os = GetOS(item.ServiceId);
// read DSN info
SystemDSN itemDsn = item as SystemDSN;
SystemDSN dsn = os.GetDSN(item.Name);
dsn.DatabasePassword = itemDsn.DatabasePassword;
XmlSerializer serializer = new XmlSerializer(typeof(SystemDSN));
serializer.Serialize(writer, dsn);
}
return(0);
}
public int RestoreItem(string tempFolder, System.Xml.XmlNode itemNode, int itemId, Type itemType, string itemName, int packageId, int serviceId, ResourceGroupInfo group)
{
if (itemType == typeof(HomeFolder))
{
OS.OperatingSystem os = GetOS(serviceId);
// extract meta item
XmlSerializer serializer = new XmlSerializer(typeof(HomeFolder));
HomeFolder homeFolder = (HomeFolder)serializer.Deserialize(
new XmlNodeReader(itemNode.SelectSingleNode("HomeFolder")));
// create home folder if required
if (!os.DirectoryExists(homeFolder.Name))
{
os.CreatePackageFolder(homeFolder.Name);
}
// copy database backup to remote server
XmlNode fileNode = itemNode.SelectSingleNode("File[@name='SpaceFiles']");
string backupFileName = fileNode.Attributes["path"].Value;
long backupFileLength = Int64.Parse(fileNode.Attributes["size"].Value);
string localBackupFilePath = Path.Combine(tempFolder, backupFileName);
if (new FileInfo(localBackupFilePath).Length != backupFileLength)
{
return(-3);
}
FileStream stream = new FileStream(localBackupFilePath, FileMode.Open, FileAccess.Read);
byte[] buffer = new byte[FILE_BUFFER_LENGTH];
int readBytes = 0;
long length = 0;
string remoteBackupPath = Path.Combine(homeFolder.Name, backupFileName);
do
{
// read package file
readBytes = stream.Read(buffer, 0, FILE_BUFFER_LENGTH);
length += readBytes;
if (readBytes < FILE_BUFFER_LENGTH)
{
// resize buffer
Array.Resize <byte>(ref buffer, readBytes);
}
// write remote backup file
os.AppendFileBinaryContent(remoteBackupPath, buffer);
}while (readBytes == FILE_BUFFER_LENGTH);
stream.Close();
// unzip files
os.UnzipFiles(remoteBackupPath, homeFolder.Name);
// delete archive
if (os.FileExists(remoteBackupPath))
{
os.DeleteFile(remoteBackupPath);
}
// add meta-item if required
if (PackageController.GetPackageItemByName(packageId, itemName, typeof(HomeFolder)) == null)
{
homeFolder.PackageId = packageId;
homeFolder.ServiceId = serviceId;
PackageController.AddPackageItem(homeFolder);
}
}
else if (itemType == typeof(SystemDSN))
{
OS.OperatingSystem os = GetOS(serviceId);
// extract meta item
XmlSerializer serializer = new XmlSerializer(typeof(SystemDSN));
SystemDSN dsn = (SystemDSN)serializer.Deserialize(
new XmlNodeReader(itemNode.SelectSingleNode("SystemDSN")));
// create DSN if required
if (os.GetDSN(itemName) == null)
{
dsn.DatabasePassword = CryptoUtils.Decrypt(dsn.DatabasePassword);
os.CreateDSN(dsn);
// restore password
dsn.DatabasePassword = CryptoUtils.Encrypt(dsn.DatabasePassword);
}
// add meta-item if required
if (PackageController.GetPackageItemByName(packageId, itemName, typeof(SystemDSN)) == null)
{
dsn.PackageId = packageId;
dsn.ServiceId = serviceId;
PackageController.AddPackageItem(dsn);
}
}
return(0);
}
public static int AddOdbcSource(SystemDSN item)
{
// check account
int accountCheck = SecurityContext.CheckAccount(DemandAccount.NotDemo | DemandAccount.IsActive);
if (accountCheck < 0)
{
return(accountCheck);
}
// check package
int packageCheck = SecurityContext.CheckPackage(item.PackageId, DemandPackage.IsActive);
if (packageCheck < 0)
{
return(packageCheck);
}
// check quota
QuotaValueInfo quota = PackageController.GetPackageQuota(item.PackageId, Quotas.OS_ODBC);
if (quota.QuotaExhausted)
{
return(BusinessErrorCodes.ERROR_OS_DSN_RESOURCE_QUOTA_LIMIT);
}
// check if mail resource is available
int serviceId = PackageController.GetPackageServiceId(item.PackageId, ResourceGroups.Os);
if (serviceId == 0)
{
return(BusinessErrorCodes.ERROR_OS_RESOURCE_UNAVAILABLE);
}
// check package items
if (PackageController.GetPackageItemByName(item.PackageId, item.Name, typeof(SystemDSN)) != null)
{
return(BusinessErrorCodes.ERROR_OS_DSN_PACKAGE_ITEM_EXISTS);
}
// place log record
TaskManager.StartTask("ODBC_DSN", "ADD", item.Name);
try
{
// check service items
OS.OperatingSystem os = GetOS(serviceId);
if (os.GetDSN(item.Name) != null)
{
return(BusinessErrorCodes.ERROR_OS_DSN_SERVICE_ITEM_EXISTS);
}
string[] dbNameParts = item.DatabaseName.Split('|');
string groupName = null;
if (dbNameParts.Length > 1)
{
item.DatabaseName = dbNameParts[0];
groupName = dbNameParts[1];
}
// get database server address
item.DatabaseServer = GetDatabaseServerName(groupName, item.PackageId);
if (item.Driver == "MsAccess" || item.Driver == "Excel" || item.Driver == "Text")
{
item.DatabaseName = FilesController.GetFullPackagePath(item.PackageId, item.DatabaseName);
}
// add service item
os.CreateDSN(item);
// save item
item.DatabasePassword = CryptoUtils.Encrypt(item.DatabasePassword);
item.ServiceId = serviceId;
int itemId = PackageController.AddPackageItem(item);
TaskManager.ItemId = itemId;
return(itemId);
}
catch (Exception ex)
{
throw TaskManager.WriteError(ex);
}
finally
{
TaskManager.CompleteTask();
}
}