admin/delete.php

   1 <?php
   2
   3 // Deletes the moodledata directory, COMPLETELY!!
   4 // BE VERY CAREFUL USING THIS!
   5
   6     require_once('../config.php');
   7     require_once($CFG->libdir.'/adminlib.php');
   8
   9     admin_externalpage_setup('purgemoodledata');
  10
  11     require_login();
  12
  13     $sure       = optional_param('sure', 0, PARAM_BOOL);
  14     $reallysure = optional_param('reallysure', 0, PARAM_BOOL);
  15
  16     require_capability('moodle/site:config', get_context_instance(CONTEXT_SYSTEM));
  17
  18     $deletedir = $CFG->dataroot;   // The directory to delete!
  19
  20     echo $OUTPUT->header();
  21     echo $OUTPUT->heading('Purge moodledata');
  22
  23     if (empty($sure)) {
  24         $optionsyes = array('sure'=>'yes', 'sesskey'=>sesskey());
  25
  26         $formcontinue = new single_button(new moodle_url('delete.php', $optionsyes), get_string('yes'));
  27         $formcancel = new single_button('index.php', get_string('no'), 'get');
  28         echo $OUTPUT->confirm('Are you completely sure you want to delete everything inside the directory '. $deletedir .' ?', $formcontinue, $formcancel);
  29         echo $OUTPUT->footer();
  30         exit;
  31     }
  32
  33     if (!data_submitted() or empty($reallysure)) {
  34         $optionsyes = array('sure'=>'yes', 'sesskey'=>sesskey(), 'reallysure'=>'yes');
  35         $formcontinue = new single_button(new moodle_url('delete.php', $optionsyes), get_string('yes'));
  36         $formcancel = new single_button('index.php', get_string('no'), 'get');
  37         echo $OUTPUT->confirm('Are you REALLY REALLY completely sure you want to delete everything inside the directory '.
  38                 $deletedir .' (this includes all user images, and any other course files that have been created) ?',
  39                 $formcontinue, $formcancel);
  40         echo $OUTPUT->footer();
  41         exit;
  42     }
  43
  44     if (!confirm_sesskey()) {
  45         print_error('wrongcall', 'error');
  46     }
  47
  48     /// OK, here goes ...
  49
  50     delete_subdirectories($deletedir);
  51
  52     echo '<h1 align="center">Done!</h1>';
  53     echo $OUTPUT->continue_button($CFG->wwwroot);
  54     echo $OUTPUT->footer();
  55     exit;
  56
  57
  58 function delete_subdirectories($rootdir) {
  59
  60     $dir = opendir($rootdir);
  61
  62     while (false !== ($file = readdir($dir))) {
  63         if ($file != '.' and $file != '..') {
  64             $fullfile = $rootdir .'/'. $file;
  65             if (filetype($fullfile) == 'dir') {
  66                 delete_subdirectories($fullfile);
  67                 echo 'Deleting '. $fullfile .' ... ';
  68                 if (rmdir($fullfile)) {
  69                     echo 'Done.<br />';
  70                 } else {
  71                     echo 'FAILED.<br />';
  72                 }
  73             } else {
  74                 echo 'Deleting '. $fullfile .' ... ';
  75                 if (unlink($fullfile)) {
  76                     echo 'Done.<br />';
  77                 } else {
  78                     echo 'FAILED.<br />';
  79                 }
  80             }
  81         }
  82     }
  83     closedir($dir);
  84 }
  85
  86