See Release Notes
Long Term Support Release
Differences Between: [Versions 310 and 401] [Versions 311 and 401] [Versions 39 and 401] [Versions 400 and 401]
1 <?php 2 3 // This file is part of Moodle - http://moodle.org/ 4 // 5 // Moodle is free software: you can redistribute it and/or modify 6 // it under the terms of the GNU General Public License as published by 7 // the Free Software Foundation, either version 3 of the License, or 8 // (at your option) any later version. 9 // 10 // Moodle is distributed in the hope that it will be useful, 11 // but WITHOUT ANY WARRANTY; without even the implied warranty of 12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 // GNU General Public License for more details. 14 // 15 // You should have received a copy of the GNU General Public License 16 // along with Moodle. If not, see <http://www.gnu.org/licenses/>. 17 18 /** 19 * This script fetches legacy course files in dataroot directory, it is enabled 20 * only if course->legacyfiles == 2. DO not link to this file in new code. 21 * 22 * Syntax: file.php/courseid/dir/dir/dir/filename.ext 23 * file.php/courseid/dir/dir/dir/filename.ext?forcedownload=1 (download instead of inline) 24 * file.php/courseid/dir (returns index.html from dir) 25 * Workaround: file.php?file=/courseid/dir/dir/dir/filename.ext 26 * 27 * @package core 28 * @subpackage file 29 * @copyright 1999 onwards Martin Dougiamas (http://dougiamas.com) 30 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later 31 */ 32 33 // disable moodle specific debug messages and any errors in output 34 define('NO_DEBUG_DISPLAY', true); 35 36 require_once('config.php'); 37 require_once ('lib/filelib.php'); 38 39 $relativepath = get_file_argument(); 40 $forcedownload = optional_param('forcedownload', 0, PARAM_BOOL); 41 42 // relative path must start with '/', because of backup/restore!!! 43 if (!$relativepath) { 44 throw new \moodle_exception('invalidargorconf'); 45 } else if ($relativepath[0] != '/') { 46 throw new \moodle_exception('pathdoesnotstartslash'); 47 } 48 49 // extract relative path components 50 $args = explode('/', ltrim($relativepath, '/')); 51 52 if (count($args) == 0) { // always at least courseid, may search for index.html in course root 53 throw new \moodle_exception('invalidarguments'); 54 } 55 56 $courseid = (int)array_shift($args); 57 $relativepath = implode('/', $args); 58 59 // security: limit access to existing course subdirectories 60 $course = $DB->get_record('course', array('id'=>$courseid), '*', MUST_EXIST); 61 62 if ($course->legacyfiles != 2) { 63 // course files disabled 64 send_file_not_found(); 65 } 66 67 if ($course->id != SITEID) { 68 require_login($course, true, null, false); 69 70 } else if ($CFG->forcelogin) { 71 if (empty($CFG->sitepolicyhandler) and !empty($CFG->sitepolicy) 72 and ($CFG->sitepolicy == $CFG->wwwroot.'/file.php/'.$relativepath 73 or $CFG->sitepolicy == $CFG->wwwroot.'/file.php?file=/'.$relativepath)) { 74 //do not require login for policy file 75 } else { 76 require_login(0, true, null, false); 77 } 78 } 79 80 $context = context_course::instance($course->id); 81 82 $fs = get_file_storage(); 83 84 $fullpath = "/$context->id/course/legacy/0/$relativepath"; 85 86 if (!$file = $fs->get_file_by_hash(sha1($fullpath))) { 87 if (strrpos($fullpath, '/') !== strlen($fullpath) -1 ) { 88 $fullpath .= '/'; 89 } 90 // Try to fallback to the directory named as the supposed file. 91 if (!$file = $fs->get_file_by_hash(sha1($fullpath.'.'))) { 92 send_file_not_found(); 93 } 94 } 95 // do not serve dirs 96 if ($file->get_filename() == '.') { 97 if (!$file = $fs->get_file_by_hash(sha1($fullpath.'index.html'))) { 98 if (!$file = $fs->get_file_by_hash(sha1($fullpath.'index.htm'))) { 99 if (!$file = $fs->get_file_by_hash(sha1($fullpath.'Default.htm'))) { 100 send_file_not_found(); 101 } 102 } 103 } 104 } 105 106 // ======================================== 107 // finally send the file 108 // ======================================== 109 \core\session\manager::write_close(); // Unlock session during file serving. 110 send_stored_file($file, null, $CFG->filteruploadedfiles, $forcedownload); 111 112
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