lib/uploadlib.php

   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  * uploadlib.php - This class handles all aspects of fileuploading
  20  *
  21  * @package    core
  22  * @subpackage file
  23  * @copyright  1999 onwards Martin Dougiamas  {@link http://moodle.com}
  24  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  25  */
  26
  27 defined('MOODLE_INTERNAL') || die();
  28
  29 /**
  30  * This class handles all aspects of fileuploading
  31  *
  32  * @deprecated since 2.7 - use new file pickers instead
  33  *
  34  * @package   moodlecore
  35  * @copyright 1999 onwards Martin Dougiamas  {@link http://moodle.com}
  36  * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  37  */
  38 class upload_manager {
  39
  40     /**
  41      * Constructor, sets up configuration stuff so we know how to act.
  42      *
  43      * Note: destination not taken as parameter as some modules want to use the insertid in the path and we need to check the other stuff first.
  44      *
  45      * @deprecated since 2.7 - use new file pickers instead
  46      *
  47      */
  48     function __construct($inputname='', $deleteothers=false, $handlecollisions=false, $course=null, $recoverifmultiple=false, $modbytes=0, $silent=false, $allownull=false, $allownullmultiple=true) {
  49         throw new coding_exception('upload_manager class can not be used any more, please use file picker instead');
  50     }
  51 }
  52
  53 /**************************************************************************************
  54 THESE FUNCTIONS ARE OUTSIDE THE CLASS BECAUSE THEY NEED TO BE CALLED FROM OTHER PLACES.
  55 FOR EXAMPLE CLAM_HANDLE_INFECTED_FILE AND CLAM_REPLACE_INFECTED_FILE USED FROM CRON
  56 UPLOAD_PRINT_FORM_FRAGMENT DOESN'T REALLY BELONG IN THE CLASS BUT CERTAINLY IN THIS FILE
  57 ***************************************************************************************/
  58
  59 /**
  60  * Emails admins about a clam outcome
  61  *
  62  * @param string $notice The body of the email to be sent.
  63  */
  64 function clam_message_admins($notice) {
  65
  66     $site = get_site();
  67
  68     $subject = get_string('clamemailsubject', 'moodle', format_string($site->fullname));
  69     $admins = get_admins();
  70     foreach ($admins as $admin) {
  71         $eventdata = new stdClass();
  72         $eventdata->component         = 'moodle';
  73         $eventdata->name              = 'errors';
  74         $eventdata->userfrom          = get_admin();
  75         $eventdata->userto            = $admin;
  76         $eventdata->subject           = $subject;
  77         $eventdata->fullmessage       = $notice;
  78         $eventdata->fullmessageformat = FORMAT_PLAIN;
  79         $eventdata->fullmessagehtml   = '';
  80         $eventdata->smallmessage      = '';
  81         message_send($eventdata);
  82     }
  83 }
  84
  85 /**
  86  * Returns the string equivalent of a numeric clam error code
  87  *
  88  * @param int $returncode The numeric error code in question.
  89  * @return string The definition of the error code
  90  */
  91 function get_clam_error_code($returncode) {
  92     $returncodes = array();
  93     $returncodes[0] = 'No virus found.';
  94     $returncodes[1] = 'Virus(es) found.';
  95     $returncodes[2] = ' An error occured'; // specific to clamdscan
  96     // all after here are specific to clamscan
  97     $returncodes[40] = 'Unknown option passed.';
  98     $returncodes[50] = 'Database initialization error.';
  99     $returncodes[52] = 'Not supported file type.';
 100     $returncodes[53] = 'Can\'t open directory.';
 101     $returncodes[54] = 'Can\'t open file. (ofm)';
 102     $returncodes[55] = 'Error reading file. (ofm)';
 103     $returncodes[56] = 'Can\'t stat input file / directory.';
 104     $returncodes[57] = 'Can\'t get absolute path name of current working directory.';
 105     $returncodes[58] = 'I/O error, please check your filesystem.';
 106     $returncodes[59] = 'Can\'t get information about current user from /etc/passwd.';
 107     $returncodes[60] = 'Can\'t get information about user \'clamav\' (default name) from /etc/passwd.';
 108     $returncodes[61] = 'Can\'t fork.';
 109     $returncodes[63] = 'Can\'t create temporary files/directories (check permissions).';
 110     $returncodes[64] = 'Can\'t write to temporary directory (please specify another one).';
 111     $returncodes[70] = 'Can\'t allocate and clear memory (calloc).';
 112     $returncodes[71] = 'Can\'t allocate memory (malloc).';
 113     if ($returncodes[$returncode])
 114        return $returncodes[$returncode];
 115     return get_string('clamunknownerror');
 116 }