public async Task CheckForUpdates()
{
try
{
if (EnvironmentHelper.IsDebug)
{
return;
}
await UpdateLock.WaitAsync();
var connectionInfo = ConfigService.GetConnectionInfo();
var serverUrl = ConfigService.GetConnectionInfo().Host;
string fileUrl;
if (EnvironmentHelper.IsWindows)
{
var platform = Environment.Is64BitOperatingSystem ? "x64" : "x86";
fileUrl = serverUrl + $"/Downloads/Remotely-Win10-{platform}.zip";
}
else if (EnvironmentHelper.IsLinux)
{
fileUrl = serverUrl + $"/Downloads/Remotely-Linux.zip";
}
else
{
throw new PlatformNotSupportedException();
}
var lastEtag = string.Empty;
if (File.Exists("etag.txt"))
{
lastEtag = await File.ReadAllTextAsync("etag.txt");
}
try
{
var wr = WebRequest.CreateHttp(fileUrl);
wr.Method = "Head";
wr.Headers.Add("If-None-Match", lastEtag);
using var response = (HttpWebResponse) await wr.GetResponseAsync();
if (response.StatusCode == HttpStatusCode.NotModified)
{
Logger.Write("Service Updater: Version is current.");
return;
}
}
catch (WebException ex) when((ex.Response as HttpWebResponse).StatusCode == HttpStatusCode.NotModified)
{
Logger.Write("Service Updater: Version is current.");
return;
}
Logger.Write("Service Updater: Update found.");
await InstallLatestVersion();
}
catch (Exception ex)
{
Logger.Write(ex);
}
finally
{
UpdateLock.Release();
}
}
public async Task CheckForUpdates()
{
try
{
await UpdateLock.WaitAsync();
var hc = new HttpClient();
var wc = new WebClient();
var connectionInfo = ConfigService.GetConnectionInfo();
var response = await hc.GetAsync(connectionInfo.Host + $"/API/AgentUpdate/CurrentVersion");
var latestVersion = response.Content.ReadAsStringAsync().Result;
var thisVersion = FileVersionInfo.GetVersionInfo("Remotely_Agent.dll").FileVersion.ToString().Trim();
if (thisVersion != latestVersion)
{
Logger.Write($"Service Updater: Update found. Current Version: {thisVersion}. Latest Version: {latestVersion}.");
var updateWindow = int.Parse(wc.DownloadString(connectionInfo.Host + $"/API/AgentUpdate/UpdateWindow"));
var waitTime = new Random().Next(1, updateWindow);
Logger.Write($"Waiting {waitTime} seconds before updating.");
await Task.Delay(TimeSpan.FromSeconds(waitTime));
Logger.Write($"Service Updater: Downloading installer.");
if (OSUtils.IsWindows)
{
var filePath = Path.Combine(Path.GetTempPath(), "Remotely_Installer.exe");
wc.DownloadFile(
ConfigService.GetConnectionInfo().Host + $"/Downloads/Remotely_Installer.exe",
filePath);
foreach (var proc in Process.GetProcessesByName("Remotely_Installer"))
{
proc.Kill();
}
Process.Start(filePath, $"-install -quiet -serverurl {connectionInfo.Host} -organizationid {connectionInfo.OrganizationID}");
}
else if (OSUtils.IsLinux)
{
var filePath = Path.Combine(Path.GetTempPath(), "RemotelyUpdate.sh");
wc.DownloadFile(
ConfigService.GetConnectionInfo().Host + $"/API/ClientDownloads/{connectionInfo.OrganizationID}/Linux-x64",
filePath);
Process.Start("sudo", $"chmod +x {filePath}").WaitForExit();
Process.Start("sudo", $"{filePath} & disown");
}
}
}
catch (Exception ex)
{
Logger.Write(ex);
}
finally
{
UpdateLock.Release();
}
}