private static string ScopeToString(CloudDriveScope scope)
{
var result = new List <string>();
var values = Enum.GetValues(typeof(CloudDriveScope));
foreach (CloudDriveScope value in values)
{
if (scope.HasFlag(value))
{
result.Add(scopeToStringMap[value]);
}
}
return(string.Join(" ", result));
}
/// <summary>
/// Opens Amazon Cloud Drive authentication in default browser. Then it starts listener for port 45674 if portSelector is null
/// </summary>
/// <param name="scope">Your App scope to access cloud</param>
/// <param name="timeout">How long lister will wait for redirect before throw TimeoutException</param>
/// <param name="portSelector">Func to select port for redirect listener.
/// portSelector(int lastPort, int time) where lastPost is port used last time and
/// time is number of times selector was called before. To abort port selection throw exception other than HttpListenerException</param>
/// <param name="cancelToken">Cancellation for auth. Can be null.</param>
/// <returns>True if authenticated</returns>
/// <exception cref="InvalidOperationException">if any selected port could not be opened by default selector</exception>
public async Task <bool> SafeAuthenticationAsync(CloudDriveScope scope, TimeSpan timeout, CancellationToken?cancelToken = null, Func <int, int, int> portSelector = null)
{
CreateListener(portSelector);
redirectListener.Start();
using (var tabProcess = Process.Start(BuildLoginUrl(redirectUrl, scope)))
{
try
{
var task = redirectListener.GetContextAsync();
var timeoutTask = (cancelToken != null) ? Task.Delay(timeout, cancelToken.Value) : Task.Delay(timeout);
var anytask = await Task.WhenAny(task, timeoutTask).ConfigureAwait(false);
if (anytask == task)
{
await ProcessRedirect(await task, clientId, clientSecret, redirectUrl).ConfigureAwait(false);
this.scope = scope;
}
else
{
if (timeoutTask.IsCanceled)
{
return(false);
}
throw new TimeoutException("No redirection detected");
}
}
finally
{
redirectListener.Close();
redirectListener = null;
//tabProcess.Kill();
}
}
return(Token != null);
}
public string BuildLoginUrl(string redirectUrl, CloudDriveScope scope)
{
Contract.Assert(redirectUrl != null);
return($"{loginUrlBase}?client_id={clientId}&scope={ScopeToString(scope)}&response_type=code&redirect_uri={redirectUrl}");
}
public string BuildLoginUrl(string redirectUrl, CloudDriveScope scope)
{
Contract.Assert(redirectUrl != null);
return $"{loginUrlBase}?client_id={clientId}&scope={ScopeToString(scope)}&response_type=code&redirect_uri={redirectUrl}";
}
private static string ScopeToString(CloudDriveScope scope)
{
var result = new List<string>();
var values = Enum.GetValues(typeof(CloudDriveScope));
foreach (CloudDriveScope value in values)
if (scope.HasFlag(value))
result.Add(scopeToStringMap[value]);
return string.Join(" ", result);
}
/// <summary>
/// Opens Amazon Cloud Drive authentication in default browser. Then it starts listener for port 45674 if portSelector is null
/// </summary>
/// <param name="scope">Your App scope to access cloud</param>
/// <param name="timeout">How long lister will wait for redirect before throw TimeoutException</param>
/// <param name="portSelector">Func to select port for redirect listener.
/// portSelector(int lastPort, int time) where lastPost is port used last time and
/// time is number of times selector was called before. To abort port selection throw exception other than HttpListenerException</param>
/// <param name="cancelToken">Cancellation for auth. Can be null.</param>
/// <returns>True if authenticated</returns>
/// <exception cref="InvalidOperationException">if any selected port could not be opened by default selector</exception>
public async Task<bool> SafeAuthenticationAsync(CloudDriveScope scope, TimeSpan timeout, CancellationToken? cancelToken = null, Func<int, int, int> portSelector = null)
{
CreateListener(portSelector);
redirectListener.Start();
using (var tabProcess = Process.Start(BuildLoginUrl(redirectUrl, scope)))
{
try
{
var task = redirectListener.GetContextAsync();
var timeoutTask = (cancelToken != null) ? Task.Delay(timeout, cancelToken.Value) : Task.Delay(timeout);
var anytask = await Task.WhenAny(task, timeoutTask).ConfigureAwait(false);
if (anytask == task)
{
await ProcessRedirect(await task, clientId, clientSecret, redirectUrl).ConfigureAwait(false);
this.scope = scope;
}
else
{
if (timeoutTask.IsCanceled) return false;
throw new TimeoutException("No redirection detected");
}
}
finally
{
redirectListener.Close();
redirectListener = null;
//tabProcess.Kill();
}
}
return Token != null;
}