// SetUpAuth configures agent authentication on c. A cookie is created in
// c's cookie jar containing credentials derived from the username and
// c.Key. c.VisitWebPage is set to VisitWebPage(c). The return is
// non-nil only if c.Key is nil.
func SetUpAuth(c *httpbakery.Client, u *url.URL, username string) error {
if c.Key == nil {
return errgo.New("cannot set-up authentication: client key not configured")
}
SetCookie(c.Jar, u, username, &c.Key.Public)
c.VisitWebPage = VisitWebPage(c)
return nil
}
// SetUpAuth configures form authentication on c. The VisitWebPage field
// in c will be set to a function that will attempt form-based
// authentication using f to perform the interaction with the user and
// fall back to using the current value of VisitWebPage if form-based
// authentication is not supported.
func SetUpAuth(c *httpbakery.Client, f form.Filler) {
c.VisitWebPage = VisitWebPage(c, f, c.VisitWebPage)
}
