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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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* Authentication Plugin: CAS Authentication.
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*
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* Authentication using CAS (Central Authentication Server).
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*
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* @package auth_cas
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* @copyright 2018 Fabrice Ménard <menard.fabrice@gmail.com>
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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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defined('MOODLE_INTERNAL') || die;
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/**
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* Serves the logo file settings.
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*
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* @param stdClass $course course object
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* @param stdClass $cm course module object
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* @param stdClass $context context object
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* @param string $filearea file area
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* @param array $args extra arguments
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* @param bool $forcedownload whether or not force download
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* @param array $options additional options affecting the file serving
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* @return bool false|void
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*/
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function auth_cas_pluginfile($course, $cm, $context, $filearea, $args, $forcedownload, array $options = []) {
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if ($context->contextlevel != CONTEXT_SYSTEM) {
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return false;
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}
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if ($filearea !== 'logo' ) {
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return false;
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}
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// Extract the filename / filepath from the $args array.
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$filename = array_pop($args);
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if (!$args) {
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$filepath = '/';
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} else {
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$filepath = '/' . implode('/', $args) . '/';
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}
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// Retrieve the file from the Files API.
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$itemid = 0;
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$fs = get_file_storage();
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$file = $fs->get_file($context->id, 'auth_cas', $filearea, $itemid, $filepath, $filename);
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if (!$file) {
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return false; // The file does not exist.
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}
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send_stored_file($file, null, 0, $forcedownload, $options);
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}
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