Basic auth with tetl::PHP

auth-example.php

<?php

require 'tetlphp/framework/initialize.php';

import('db');
import('www');
import('a_record');

run(function () {

  class users extends mongo_model
  {
    static $columns = array(
      'user' => array('type' => 'string'),
      'pass' => array('type' => 'string'),
      'salt' => array('type' => 'string'),
    );
  }

  auth::config('model', 'users');

  if ( ! users::count_by_user('admin')) {
    auth::insert('admin', 'test');
  }

  get('/', function () {
    if ( ! auth::is_logged()) {
      $out = form::post(url_for::session(), function() {
        echo form::field(array('type' => 'text', 'label' => 'Username', 'name' => 'user'));
        echo form::field(array('type' => 'password', 'label' => 'Password', 'name' => 'pass'));
        echo form::submit('done', 'OK');
      });
    } else {
      $out = link_to('Exit', url_for::quit());
    }
    response($out);
  });

  post('/session', function () {
    if (request::is_post()) {
      if (auth::validate(request::post('user'), request::post('pass'))) {
        redirect(ROOT);
      }
      $out = link_to('Try again?', url_for(ROOT));
      response($out, array('status' => 404));
    }
  });

  get('/quit', function () {
    auth::logout();
    redirect(ROOT);
  });

});