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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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* This file processes AJAX requests and returns JSON
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*
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* This is a server part of yui permissions manager module
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*
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* @package core_role
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* @copyright 2015 Martin Mastny
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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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define('AJAX_SCRIPT', true);
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require(__DIR__ . '/../../config.php');
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$contextid = required_param('contextid', PARAM_INT);
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$getroles = optional_param('getroles', 0, PARAM_BOOL);
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list($context, $course, $cm) = get_context_info_array($contextid);
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$PAGE->set_context($context);
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require_login($course, false, $cm);
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require_capability('moodle/role:review', $context);
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require_sesskey();
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$OUTPUT->header();
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list($overridableroles, $overridecounts, $nameswithcounts) = get_overridable_roles($context,
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ROLENAME_BOTH, true);
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if ($getroles) {
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echo json_encode($overridableroles);
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die();
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}
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$capability = required_param('capability', PARAM_CAPABILITY);
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$roleid = required_param('roleid', PARAM_INT);
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$action = required_param('action', PARAM_ALPHA);
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$capability = $DB->get_record('capabilities', array('name' => $capability), '*', MUST_EXIST);
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if (!isset($overridableroles[$roleid])) {
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throw new moodle_exception('invalidarguments');
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}
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if (!has_capability('moodle/role:override', $context)) {
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if (!has_capability('moodle/role:safeoverride', $context) || !is_safe_capability($capability)) {
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require_capability('moodle/role:override', $context);
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}
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}
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switch ($action) {
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case 'allow':
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role_change_permission($roleid, $context, $capability->name, CAP_ALLOW);
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break;
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case 'prevent':
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role_change_permission($roleid, $context, $capability->name, CAP_PREVENT);
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break;
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case 'prohibit':
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role_change_permission($roleid, $context, $capability->name, CAP_PROHIBIT);
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break;
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case 'unprohibit':
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role_change_permission($roleid, $context, $capability->name, CAP_INHERIT);
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break;
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default:
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throw new moodle_exception('invalidarguments');
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}
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echo json_encode($action);
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die();
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