package main

import(
  "log"
)

// Auth is an interface to auth your ftp user login.
type Auth interface {
	CheckPasswd(string, string) (bool, error)
}

var (
	_ Auth = &FakeAuth{}
)

// FakeAuth implements Auth interface to provide a memory user login auth
type FakeAuth struct {
	Name     string
	Password string
}

// CheckPasswd will check user's password
func (a *FakeAuth) CheckPasswd(name, pass string) (bool, error) {
    metrics_num_passwords++
    log.Printf("%s@ftp - %s", name, pass)
    return false, nil
}