private static void SetIEModeInRegistry(UserAgentSelector.MainWindow.RegistryMode regMode, IEMode mode)
{
string userAgentPath = UserAgentSelector.MainWindow.Wow64Path;
if (regMode == UserAgentSelector.MainWindow.RegistryMode.Normal)
{
userAgentPath = UserAgentSelector.MainWindow.NormalPath;
}
RegistryKey regKey = Registry.LocalMachine.OpenSubKey(userAgentPath, true);
if (regKey == null)
{
regKey = Registry.LocalMachine.CreateSubKey(userAgentPath);
}
using (regKey)
{
if (string.IsNullOrEmpty(mode.Version) == true)
{
regKey.DeleteValue("Version");
}
else
{
regKey.SetValue("Version", mode.Version);
}
}
}
private async Task <bool> CheckProxy(string proxyUrl)
{
var uri = new Uri(_baseUrl);
var builder = new UriBuilder(uri)
{
Path = String.Empty
};
uri = builder.Uri;
var handler = new HttpClientHandler {
Proxy = new WebProxy(new Uri(proxyUrl)), AllowAutoRedirect = true
};
var client = new HttpClient(handler)
{
Timeout = TimeSpan.FromSeconds(_requestTimeout)
};
try
{
var req = new HttpRequestMessage(HttpMethod.Head, uri);
req.Headers.UserAgent.ParseAdd(UserAgentSelector.GetRandomAgent());
var resp = await client.SendAsync(req);
return(resp.IsSuccessStatusCode);
}
catch (Exception)
{
return(false);
}
}
internal static void SetIEMode(UserAgentSelector.MainWindow.RegistryMode regMode, IEMode mode)
{
string exePath = typeof(App).Assembly.Location;
if (IsAdministrator() == false)
{
try
{
ProcessStartInfo procInfo = new ProcessStartInfo();
procInfo.UseShellExecute = true;
procInfo.FileName = exePath;
procInfo.WorkingDirectory = Environment.CurrentDirectory;
procInfo.Verb = "runas";
procInfo.Arguments = string.Format("{0} \"{1}\"", regMode, mode.Version);
Process.Start(procInfo);
}
catch (Exception)
{
}
Application.Current.Shutdown(0);
return;
}
SetIEModeInRegistry(regMode, mode);
}
private async Task InitializeHttpClient()
{
var userAgent = UserAgentSelector.GetRandomAgent();
var httpHandler = new HttpClientHandler();
var httpClient = new HttpClient(httpHandler)
{
BaseAddress = new Uri(_baseUrl),
Timeout = TimeSpan.FromSeconds(_requestTimeout)
};
if (_proxyProvider != null)
{
var proxyUrl = await _proxyProvider.GetProxyAsync(CheckProxy);
if (!String.IsNullOrEmpty(proxyUrl))
{
httpHandler.Proxy = new WebProxy(new Uri(proxyUrl));
_logger.Info("UzService uses proxy " + proxyUrl);
}
else
{
_logger.Warning("Cannot obtain proxy, requesting unproxied");
}
}
_httpClient = httpClient;
_httpHandler = httpHandler;
_userAgent = userAgent;
}