public DownloadParam(string name, string url, string path, RemoteConfigurationManager.DownloadChecker checker)
{
this.Name = name;
this.Url = url;
this.LocalPath = path;
this.Checker = checker;
}
private static bool Download(string resourceName, string url, string targetPath, RemoteConfigurationManager.DownloadChecker checker)
{
bool result;
try
{
HttpWebRequest req = (HttpWebRequest)WebRequest.Create(url);
req.Proxy = null;
req.Method = "GET";
req.KeepAlive = false;
HttpWebResponse rsp = (HttpWebResponse)req.GetResponse();
string tmpFile = RemoteConfigurationManager.GetTempFileName(targetPath);
using (System.IO.Stream rspStream = rsp.GetResponseStream())
{
try
{
if (checker != null)
{
using (System.IO.MemoryStream ms = new System.IO.MemoryStream())
{
byte[] buf = new byte[4096];
int length;
while ((length = rspStream.Read(buf, 0, buf.Length)) > 0)
{
ms.Write(buf, 0, length);
}
ms.Position = 0L;
checker(resourceName, ms);
ms.Position = 0L;
RemoteConfigurationManager.WriteStreamToFile(ms, tmpFile);
ms.Close();
goto IL_B5;
}
}
RemoteConfigurationManager.WriteStreamToFile(rspStream, tmpFile);
IL_B5:
if (System.IO.File.Exists(targetPath))
{
if (!RemoteConfigurationManager.Instance.config.BackupConfig)
{
System.IO.File.Delete(targetPath);
}
else
{
RemoteConfigurationManager.RemoveOldBackupFiles(RemoteConfigurationManager.GetSectionName(targetPath));
System.IO.File.Move(targetPath, RemoteConfigurationManager.GetBackupFileName(targetPath));
}
}
System.IO.File.Move(tmpFile, targetPath);
}
finally
{
System.IO.File.Delete(tmpFile);
}
}
rsp.Close();
result = true;
}
catch (System.Exception ex)
{
BaseConfigurationManager.HandleException(ex, string.Concat(new string[]
{
"Unabled to download '",
url,
"' to '",
targetPath,
"'"
}), resourceName);
result = false;
}
return result;
}