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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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use mod_quiz\local\access_rule_base;
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use mod_quiz\quiz_settings;
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/**
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* A rule implementing the ipaddress check against the ->subnet setting.
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*
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* @package quizaccess_ipaddress
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* @copyright 2009 Tim Hunt
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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 quizaccess_ipaddress extends access_rule_base {
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public static function make(quiz_settings $quizobj, $timenow, $canignoretimelimits) {
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if (empty($quizobj->get_quiz()->subnet)) {
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return null;
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}
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return new self($quizobj, $timenow);
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}
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public function prevent_access() {
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if (address_in_subnet(getremoteaddr(), $this->quiz->subnet)) {
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return false;
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} else {
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return get_string('subnetwrong', 'quizaccess_ipaddress');
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}
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}
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}
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