private void WebClientOnDownloadFileCompleted(object sender, AsyncCompletedEventArgs asyncCompletedEventArgs)
{
if (asyncCompletedEventArgs.Cancelled)
{
return;
}
try
{
if (asyncCompletedEventArgs.Error != null)
{
throw asyncCompletedEventArgs.Error;
}
if (_args.CheckSum != null)
{
CompareChecksum(_tempFile, _args.CheckSum);
}
ContentDisposition contentDisposition = null;
if (_webClient.ResponseHeaders["Content-Disposition"] != null)
{
contentDisposition = new ContentDisposition(_webClient.ResponseHeaders["Content-Disposition"]);
}
var fileName = string.IsNullOrEmpty(contentDisposition?.FileName)
? Path.GetFileName(_webClient.ResponseUri.LocalPath)
: contentDisposition.FileName;
var tempPath =
Path.Combine(
string.IsNullOrEmpty(AutoUpdater.DownloadPath) ? Path.GetTempPath() : AutoUpdater.DownloadPath,
fileName);
if (File.Exists(tempPath))
{
File.Delete(tempPath);
}
File.Move(_tempFile, tempPath);
string installerArgs = null;
if (!string.IsNullOrEmpty(_args.InstallerArgs))
{
installerArgs = _args.InstallerArgs.Replace("%path%",
Path.GetDirectoryName(Process.GetCurrentProcess().MainModule.FileName));
}
var processStartInfo = new ProcessStartInfo
{
FileName = tempPath,
UseShellExecute = true,
Arguments = installerArgs
};
var extension = Path.GetExtension(tempPath);
if (extension.Equals(".zip", StringComparison.OrdinalIgnoreCase))
{
string installerPath = Path.Combine(Path.GetDirectoryName(tempPath), "ZipExtractor.exe");
File.WriteAllBytes(installerPath, Resources.ZipExtractor);
string executablePath = Process.GetCurrentProcess().MainModule.FileName;
string extractionPath = Path.GetDirectoryName(executablePath);
if (!string.IsNullOrEmpty(AutoUpdater.InstallationPath) &&
Directory.Exists(AutoUpdater.InstallationPath))
{
extractionPath = AutoUpdater.InstallationPath;
}
StringBuilder arguments =
new StringBuilder($"\"{tempPath}\" \"{extractionPath}\" \"{executablePath}\"");
string[] args = Environment.GetCommandLineArgs();
for (int i = 1; i < args.Length; i++)
{
if (i.Equals(1))
{
arguments.Append(" \"");
}
arguments.Append(args[i]);
arguments.Append(i.Equals(args.Length - 1) ? "\"" : " ");
}
processStartInfo = new ProcessStartInfo
{
FileName = installerPath,
UseShellExecute = true,
Arguments = arguments.ToString()
};
}
else if (extension.Equals(".msi", StringComparison.OrdinalIgnoreCase))
{
processStartInfo = new ProcessStartInfo
{
FileName = "msiexec",
Arguments = $"/i \"{tempPath}\""
};
if (!string.IsNullOrEmpty(installerArgs))
{
processStartInfo.Arguments += " " + installerArgs;
}
}
if (AutoUpdater.RunUpdateAsAdmin)
{
processStartInfo.Verb = "runas";
}
try
{
Process.Start(processStartInfo);
}
catch (Win32Exception exception)
{
if (exception.NativeErrorCode == 1223)
{
_webClient = null;
}
else
{
throw;
}
}
}
catch (Exception e)
{
MessageBox.Show(e.Message, e.GetType().ToString(), MessageBoxButtons.OK, MessageBoxIcon.Error);
_webClient = null;
}
finally
{
Close();
}
}
private static object CheckUpdate(Assembly mainAssembly)
{
var companyAttribute =
(AssemblyCompanyAttribute)GetAttribute(mainAssembly, typeof(AssemblyCompanyAttribute));
string appCompany = companyAttribute != null ? companyAttribute.Company : "";
if (string.IsNullOrEmpty(AppTitle))
{
var titleAttribute =
(AssemblyTitleAttribute)GetAttribute(mainAssembly, typeof(AssemblyTitleAttribute));
AppTitle = titleAttribute != null ? titleAttribute.Title : mainAssembly.GetName().Name;
}
string registryLocation = !string.IsNullOrEmpty(appCompany)
? $@"Software\{appCompany}\{AppTitle}\AutoUpdater"
: $@"Software\{AppTitle}\AutoUpdater";
if (PersistenceProvider == null)
{
PersistenceProvider = new RegistryPersistenceProvider(registryLocation);
}
BaseUri = new Uri(AppCastURL);
UpdateInfoEventArgs args;
using (MyWebClient client = GetWebClient(BaseUri, BasicAuthXML))
{
string xml = client.DownloadString(BaseUri);
if (ParseUpdateInfoEvent == null)
{
XmlSerializer xmlSerializer = new XmlSerializer(typeof(UpdateInfoEventArgs));
XmlTextReader xmlTextReader = new XmlTextReader(new StringReader(xml))
{
XmlResolver = null
};
args = (UpdateInfoEventArgs)xmlSerializer.Deserialize(xmlTextReader);
}
else
{
ParseUpdateInfoEventArgs parseArgs = new ParseUpdateInfoEventArgs(xml);
ParseUpdateInfoEvent(parseArgs);
args = parseArgs.UpdateInfo;
}
}
if (string.IsNullOrEmpty(args.CurrentVersion) || string.IsNullOrEmpty(args.DownloadURL))
{
throw new MissingFieldException();
}
args.InstalledVersion = mainAssembly.GetName().Version;
args.IsUpdateAvailable = new Version(args.CurrentVersion) > mainAssembly.GetName().Version;
if (!Mandatory)
{
if (string.IsNullOrEmpty(args.Mandatory.MinimumVersion) ||
args.InstalledVersion < new Version(args.Mandatory.MinimumVersion))
{
Mandatory = args.Mandatory.Value;
UpdateMode = args.Mandatory.UpdateMode;
}
}
if (Mandatory)
{
ShowRemindLaterButton = false;
ShowSkipButton = false;
}
else
{
// Read the persisted state from the persistence provider.
// This method makes the persistence handling independent from the storage method.
var skippedVersion = PersistenceProvider.GetSkippedVersion();
if (skippedVersion != null)
{
var currentVersion = new Version(args.CurrentVersion);
if (currentVersion <= skippedVersion)
{
return(null);
}
if (currentVersion > skippedVersion)
{
// Update the persisted state. Its no longer makes sense to have this flag set as we are working on a newer application version.
PersistenceProvider.SetSkippedVersion(null);
}
}
var remindLaterAt = PersistenceProvider.GetRemindLater();
if (remindLaterAt != null)
{
int compareResult = DateTime.Compare(DateTime.Now, remindLaterAt.Value);
if (compareResult < 0)
{
return(remindLaterAt.Value);
}
}
}
return(args);
}