package auth import ( "fmt" "net/url" ) func NewFromURL(authURL string) (AuthProvider, error) { u, err := url.Parse(authURL) if err != nil { return nil, fmt.Errorf("error parsing auth URL: %s", err.Error()) } switch u.Scheme { case "imap": return NewIMAP(u.Host, false), nil case "imaps": return NewIMAP(u.Host, true), nil case "pam": return NewPAM() default: return nil, fmt.Errorf("no auth provider found for %s:// URL", u.Scheme) } }