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<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* Password type form element with unmask option
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*
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* Contains HTML class for a password type element with unmask option
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*
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* @package core_form
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* @copyright 2009 Petr Skoda
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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if (!defined('MOODLE_INTERNAL')) {
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die('Direct access to this script is forbidden.'); /// It must be included from a Moodle page
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}
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global $CFG;
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require_once($CFG->libdir.'/form/password.php');
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/**
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* Password type form element with unmask option
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*
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* HTML class for a password type element with unmask option
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*
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* @package core_form
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* @category form
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* @copyright 2009 Petr Skoda {@link http://skodak.org}
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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class MoodleQuickForm_passwordunmask extends MoodleQuickForm_password {
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/**
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* constructor
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*
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* @param string $elementName (optional) name of the password element
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* @param string $elementLabel (optional) label for password element
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* @param mixed $attributes (optional) Either a typical HTML attribute string
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* or an associative array
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*/
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public function __construct($elementName=null, $elementLabel=null, $attributes=null) {
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$this->_persistantFreeze = true;
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parent::__construct($elementName, $elementLabel, $attributes);
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$this->setType('passwordunmask');
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}
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/**
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* Old syntax of class constructor. Deprecated in PHP7.
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*
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* @deprecated since Moodle 3.1
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*/
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public function MoodleQuickForm_passwordunmask($elementName=null, $elementLabel=null, $attributes=null) {
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debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
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self::__construct($elementName, $elementLabel, $attributes);
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}
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/**
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* Function to export the renderer data in a format that is suitable for a mustache template.
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*
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* @param renderer_base $output Used to do a final render of any components that need to be rendered for export.
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* @return stdClass|array
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*/
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public function export_for_template(renderer_base $output) {
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$context = parent::export_for_template($output);
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$context['valuechars'] = array_fill(0, strlen($context['value'] ?? ''), 'x');
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return $context;
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}
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/**
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* Check that there is no whitespace at the beginning and end of the password.
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*
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* It turned out that wrapping whitespace can easily be pasted by accident when copying the text from elsewhere.
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* Such a mistake is very hard to debug as the whitespace is not displayed.
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*
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* @param string $value Submitted value.
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* @return string|null Validation error message or null.
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*/
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public function validateSubmitValue($value) {
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if ($value !== null && $value !== trim($value)) {
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return get_string('err_wrappingwhitespace', 'core_form');
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}
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return;
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}
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}
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