public static Operations.SavedOpData DownloadFile(Operations.SavedOpData update, UpdateDirectories updateTypePath)
{
var uris = new List <DownloadUri>();
string updateDirectory;
switch (updateTypePath)
{
case UpdateDirectories.SupportedAppDir:
updateDirectory = Settings.SupportedAppDirectory;
break;
case UpdateDirectories.CustomAppDir:
updateDirectory = Settings.CustomAppDirectory;
break;
case UpdateDirectories.OSUpdateDir:
updateDirectory = Settings.UpdateDirectory;
break;
default:
updateDirectory = Settings.UpdateDirectory;
break;
}
var savedir = Path.Combine(updateDirectory, update.filedata_app_id);
foreach (var uriData in update.filedata_app_uris)
{
var tempDownloadUri = new DownloadUri();
tempDownloadUri.FileName = uriData.file_name;
tempDownloadUri.FileSize = uriData.file_size;
tempDownloadUri.Hash = uriData.file_hash;
//add uri link from WSUS if its enabled
if (WSUS.IsWSUSEnabled())
{
var tempAvilApp = Agent.RV.WindowsApps.WindowsUpdates.GetAvailableUpdates();
foreach (var application in tempAvilApp)
{
if (application.Name == update.filedata_app_name)
{
foreach (var availUri in application.FileData)
{
tempDownloadUri.Uris.Add(availUri.Uri);
}
}
}
}
foreach (var uri in uriData.file_uris)
{
tempDownloadUri.Uris.Add(uri);
}
uris.Add(tempDownloadUri);
}
if (Directory.Exists(savedir))
{
Directory.Delete(savedir, true);
}
Directory.CreateDirectory(savedir);
foreach (var file in uris)
{
// Just in case the web server is using a self-signed cert.
// Webclient won't validate the SSL/TLS cerficate if it's not trusted.
var tempCallback = ServicePointManager.ServerCertificateValidationCallback;
ServicePointManager.ServerCertificateValidationCallback = delegate { return(true); };
var filepath = Path.Combine(savedir, file.FileName);
try
{
using (var client = new WebClient())
{
if (Settings.Proxy != null)
{
client.Proxy = Settings.Proxy;
}
var downloaded = false;
foreach (var uriSingle in file.Uris)
{
try
{
var splitted = uriSingle.Split(new[] { "//" }, StringSplitOptions.RemoveEmptyEntries);
var splitted2 = splitted[1].Split(new[] { '/' });
var relayserver = splitted2[0];
if (downloaded)
{
break;
}
Logger.Log("Attempting to download {1} from {0} with file size of {2}.", LogLevel.Info, relayserver, file.FileName, file.FileSize);
client.DownloadFile(uriSingle, filepath);
if (File.Exists(filepath))
{
var localFileHashMd5 = RvUtils.Md5HashFile(filepath).ToLower();
var localFileHashSha1 = RvUtils.Sha1HashFile(filepath).ToLower();
var localFileHashSha256 = RvUtils.Sha256HashFile(filepath).ToLower();
Logger.Log("Download Complete, {0}", LogLevel.Info, file.FileName);
Logger.Log("Checking Hashes...");
Logger.Log("Incoming Hash: {0}", LogLevel.Info, file.Hash);
Logger.Log("Local MD5 Hash: {0}", LogLevel.Info, localFileHashMd5);
Logger.Log("Local SHA1 Hash: {0}", LogLevel.Info, localFileHashSha1);
Logger.Log("Local SHA256 Hash: {0}", LogLevel.Info, localFileHashSha256);
downloaded = true;
if (localFileHashMd5 != file.Hash.ToLower() && localFileHashSha1 != file.Hash.ToLower() && localFileHashSha256 != file.Hash.ToLower())
{
Logger.Log("Local file {0} Hash did not match remote's. Retrying with a different server.", LogLevel.Info, file.FileName);
update.error = "Local file Hash did not match remote. Bad file integrity. ";
update.success = false.ToString().ToLower();
downloaded = false;
}
}
else
{
Logger.Log("File {0} did not download. Retrying with a different server.", LogLevel.Info, file.FileName);
update.error = "File did not download successfully, it was not found on disk. Please check download server.";
update.success = false.ToString().ToLower();
downloaded = false;
}
}
catch (Exception e)
{
Logger.Log("File {0} failed to download correctly... Possible connection issue, Retrying with a different server.", LogLevel.Info, file.FileName);
update.error = "File did not download correctly, Exception message: " + e.Message + ". Please check download server connectivity.";
update.success = false.ToString().ToLower();
downloaded = false;
}
}
//Check if the file was successfully downloaded and return.
if (downloaded)
{
update.error = String.Empty;
update.success = true.ToString().ToLower();
}
}
}
catch (Exception e)
{
//Critical exception occurred.
update.error = "Application did not download, Exception occured, refer to log for details.";
update.success = false.ToString().ToLower();
Logger.Log("One or more Application Files were not downloaded successfully; {0}.",
LogLevel.Error, file.FileName);
Logger.LogException(e);
return(update);
}
ServicePointManager.ServerCertificateValidationCallback = tempCallback;
}
return(update);
}
