/// <summary>
/// Called on the IO thread when the browser needs credentials from the user.
/// </summary>
/// <param name="isProxy">Indicates whether the <paramref name="host"/> is a proxy server.</param>
/// <param name="host">The hostname.</param>
/// <param name="port">The port number.</param>
/// <param name="realm">
/// The realm is used to describe the protected area or to indicate the scope of protection.
/// </param>
/// <param name="scheme">The authentication scheme.</param>
/// <param name="callback">
/// The callback used to asynchronous continuation/cancellation of authentication requests.
/// </param>
/// <returns>
/// Return true to continue the request and call <see cref="CefAuthCallback.Continue"/>
/// when the authentication information is available. If the request has an associated
/// browser/frame then returning false will result in a call to GetAuthCredentials on the
/// <see cref="CefReadHandler"/> associated with that browser, if any. Otherwise,
/// returning false will cancel the request immediately.
/// </returns>
/// <remarks>
/// This function will only be called for requests initiated from the browser process.
/// </remarks>
protected internal override bool GetAuthCredentials(bool isProxy, string host, int port, string realm, string scheme, CefAuthCallback callback)
{
if (_authentication is null)
{
return(false);
}
RequestOperation op = _activeOperation;
if (op is null)
{
return(false);
}
Task <NetworkCredential> getCredentialTask = _authentication.GetCredentialAsync(isProxy, host, port, realm, scheme, op.cancellationToken);
if (getCredentialTask is null)
{
return(false);
}
getCredentialTask.ContinueWith(t =>
{
NetworkCredential credential = (t.Status == TaskStatus.RanToCompletion) ? t.Result : null;
if (credential is null)
{
callback.Cancel();
}
else
{
callback.Continue(credential.UserName, credential.Password);
}
}, op.cancellationToken, TaskContinuationOptions.ExecuteSynchronously | TaskContinuationOptions.DenyChildAttach, TaskScheduler.Default);
return(true);
}
bool ICefWebBrowserInternal.OnGetAuthCredentials(CefBrowser browser, CefFrame frame, bool isProxy, string host, int port, string realm, string scheme, CefAuthCallback callback)
{
bool retVal = false;
this.DispatchIfRequired(() =>
{
try
{
LoginAuthenticationForm authForm = new LoginAuthenticationForm(host);
WindowInteropHelper wih = new WindowInteropHelper(authForm);
wih.Owner = Handle;
var result = authForm.ShowDialog();
if (result != null && result.HasValue && result.Value)
{
callback.Continue(authForm.UserName, authForm.Password);
retVal = true;
}
else
{
callback.Cancel();
}
}
catch (Exception ex)
{
Logger.Error("Error in GetAuthCredentials.", ex);
}
});
return(retVal);
}
/// <summary>
/// Called on the IO thread when the browser needs credentials from the user.
/// </summary>
/// <param name="isProxy">Indicates whether the <paramref name="host"/> is a proxy server.</param>
/// <param name="host">The hostname.</param>
/// <param name="port">The port number.</param>
/// <param name="realm">
/// The realm is used to describe the protected area or to indicate the scope of protection.
/// </param>
/// <param name="scheme">The authentication scheme.</param>
/// <param name="callback">
/// The callback used to asynchronous continuation/cancellation of authentication requests.
/// </param>
/// <returns>
/// Return true to continue the request and call <see cref="CefAuthCallback.Continue"/>
/// when the authentication information is available. If the request has an associated
/// browser/frame then returning false will result in a call to GetAuthCredentials on the
/// <see cref="CefReadHandler"/> associated with that browser, if any. Otherwise,
/// returning false will cancel the request immediately.
/// </returns>
/// <remarks>
/// This function will only be called for requests initiated from the browser process.
/// </remarks>
protected internal override bool GetAuthCredentials(bool isProxy, string host, int port, string realm, string scheme, CefAuthCallback callback)
{
if (_authentication is null)
{
return(false);
}
RequestOperation op = _activeOperation;
if (op is null)
{
return(false);
}
Task <NetworkCredential> getCredentialTask = _authentication.GetCredentialAsync(isProxy, host, port, realm, scheme, op.cancellationToken);
if (getCredentialTask is null)
{
return(false);
}
getCredentialTask.ContinueWith(t =>
{
NetworkCredential credential = (t.Status == TaskStatus.RanToCompletion) ? t.Result : null;
if (credential is null)
{
callback.Cancel();
}
callback.Continue(credential.UserName, credential.Password);
}).ConfigureAwait(false);
return(true);
}
public void Cancel() => _callback?.Cancel();