Proyectos de Subversion Moodle

<?php

// This file is part of Moodle - http://moodle.org/

//

// Moodle is free software: you can redistribute it and/or modify

// it under the terms of the GNU General Public License as published by

// the Free Software Foundation, either version 3 of the License, or

// (at your option) any later version.

//

// Moodle is distributed in the hope that it will be useful,

// but WITHOUT ANY WARRANTY; without even the implied warranty of

// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

// GNU General Public License for more details.

//

// You should have received a copy of the GNU General Public License

// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.

/**

 * Set password form definition.

 *

 * @package    core

 * @subpackage auth

 * @copyright  2006 Petr Skoda {@link http://skodak.org}

 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

 */

defined('MOODLE_INTERNAL') || die();

require_once($CFG->libdir.'/formslib.php');

require_once($CFG->dirroot.'/user/lib.php');

require_once('lib.php');

/**

 * Set forgotten password form definition.

 *

 * @package    core

 * @subpackage auth

 * @copyright  2006 Petr Skoda {@link http://skodak.org}

 * @copyright  2013 Peter Bulmer

 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

 */

class login_set_password_form extends moodleform {

    /**

     * Define the set password form.

     */

    public function definition() {

        global $CFG;

        $mform = $this->_form;

        $mform->setDisableShortforms(true);

        $mform->addElement('header', 'setpassword', get_string('setpassword'), '');

        // Include the username in the form so browsers will recognise that a password is being set.

        $mform->addElement('text', 'username', '', 'style="display: none;"');

        $mform->setType('username', PARAM_RAW);

        // Token gives authority to change password.

        $mform->addElement('hidden', 'token', '');

        $mform->setType('token', PARAM_ALPHANUM);

        // Visible elements.

        $mform->addElement('static', 'username2', get_string('username'));

        $policies = array();

        if (!empty($CFG->passwordpolicy)) {

            $policies[] = print_password_policy();

        }

        if (!empty($CFG->passwordreuselimit) and $CFG->passwordreuselimit > 0) {

            $policies[] = get_string('informminpasswordreuselimit', 'auth', $CFG->passwordreuselimit);

        }

        if ($policies) {

            $mform->addElement('static', 'passwordpolicyinfo', '', implode('<br />', $policies));

        }

        $mform->addElement('password', 'password', get_string('newpassword'),

            ['maxlength' => MAX_PASSWORD_CHARACTERS]);

        $mform->addRule('password', get_string('required'), 'required', null, 'client');

        $mform->addRule('password', get_string('maximumchars', '', MAX_PASSWORD_CHARACTERS),

            'maxlength', MAX_PASSWORD_CHARACTERS, 'client');

        $mform->setType('password', PARAM_RAW);

        $strpasswordagain = get_string('newpassword') . ' (' . get_string('again') . ')';

        $mform->addElement('password', 'password2', $strpasswordagain,

            ['maxlength' => MAX_PASSWORD_CHARACTERS]);

        $mform->addRule('password2', get_string('required'), 'required', null, 'client');

        $mform->setType('password2', PARAM_RAW);

        $mform->addElement('checkbox', 'logoutothersessions', get_string('logoutothersessions', 'report_usersessions'));

        $mform->addHelpButton('logoutothersessions', 'logoutothersessions', 'report_usersessions');

        $mform->setDefault('logoutothersessions', 1);

        if (!empty($CFG->passwordchangelogout)) {

            $mform->getElement('logoutothersessions')->freeze();

        }

        // Hook for plugins to extend form definition.

        $user = $this->_customdata;

        core_login_extend_set_password_form($mform, $user);

        $this->add_action_buttons(true);

    }

    /**

     * Perform extra password change validation.

     * @param array $data submitted form fields.

     * @param array $files submitted with the form.

     * @return array errors occuring during validation.

     */

    public function validation($data, $files) {

        $user = $this->_customdata;

        $errors = parent::validation($data, $files);

        // Extend validation for any form extensions from plugins.

        $errors = array_merge($errors, core_login_validate_extend_set_password_form($data, $user));

        // Ignore submitted username.

        if ($data['password'] !== $data['password2']) {

            $errors['password'] = get_string('passwordsdiffer');

            $errors['password2'] = get_string('passwordsdiffer');

            return $errors;

        }

        $errmsg = ''; // Prevents eclipse warnings.

        if (!check_password_policy($data['password'], $errmsg, $user)) {

            $errors['password'] = $errmsg;

            $errors['password2'] = $errmsg;

            return $errors;

        }

        if (user_is_previously_used_password($user->id, $data['password'])) {

            $errors['password'] = get_string('errorpasswordreused', 'core_auth');

            $errors['password2'] = get_string('errorpasswordreused', 'core_auth');

        }

        return $errors;

    }

}