This signal is emitted when the user is challenged with HTTP
authentication. To let the application access or supply
the credentials as well as to allow the client application
to either cancel the request or perform the authentication,
the signal will pass an instance of the
WebKitAuthenticationRequest in the
To handle this signal asynchronously you should keep a ref
of the request and return
TRUE. To disable HTTP authentication
entirely, connect to this signal and simply return
The default signal handler will run a default authentication dialog asynchronously for the user to interact with.
The default handler is called after the handlers added via
|Available since: 2.2
The data is owned by the caller of the function.