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Differences Between: [Versions 310 and 311] [Versions 311 and 400] [Versions 311 and 401] [Versions 311 and 402] [Versions 311 and 403] [Versions 39 and 311]

   1  <?php
   2  // This file is part of Moodle - http://moodle.org/
   3  //
   4  // Moodle is free software: you can redistribute it and/or modify
   5  // it under the terms of the GNU General Public License as published by
   6  // the Free Software Foundation, either version 3 of the License, or
   7  // (at your option) any later version.
   8  //
   9  // Moodle is distributed in the hope that it will be useful,
  10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  // GNU General Public License for more details.
  13  //
  14  // You should have received a copy of the GNU General Public License
  15  // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  16  
  17  /**
  18   * Moodle 404 Error page
  19   *
  20   * This is for 404 error pages served by the webserver and then passed
  21   * to Moodle to be rendered using the site theme.
  22   *
  23   * ErrorDocument 404 /error/index.php
  24   *
  25   * @package    core
  26   * @copyright  2020 Brendan Heywood <brendan@catalyst-au.net>
  27   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  28   */
  29  
  30  require('../config.php'); // phpcs:ignore
  31  
  32  $context = context_system::instance();
  33  $title = get_string('pagenotexisttitle', 'error');
  34  $PAGE->set_url('/error/index.php');
  35  $PAGE->set_context($context);
  36  $PAGE->set_title($title);
  37  $PAGE->set_heading($title);
  38  $PAGE->navbar->add($title);
  39  
  40  // This allows the webserver to dictate wether the http status should remain
  41  // what it would have been, or force it to be a 404. Under other conditions
  42  // it could most often be a 403, 405 or a 50x error.
  43  $code = optional_param('code', 0, PARAM_INT);
  44  if ($code == 404) {
  45      header("HTTP/1.0 404 Not Found");
  46  }
  47  
  48  $canmessage = has_capability('moodle/site:senderrormessage', $context);
  49  
  50  $supportuser = core_user::get_support_user();
  51  
  52  // We can only message support if both the user has the capability
  53  // and the support user is a real user.
  54  if ($canmessage) {
  55      $canmessage = core_user::is_real_user($supportuser->id);
  56  }
  57  
  58  $mform = new \core\form\error_feedback($CFG->wwwroot . '/error/index.php');
  59  
  60  if ($data = $mform->get_data()) {
  61  
  62      if (!$canmessage) {
  63          redirect($CFG->wwwroot);
  64      }
  65  
  66      // Send the message and redirect.
  67      $message = new \core\message\message();
  68      $message->courseid         = SITEID;
  69      $message->component        = 'moodle';
  70      $message->name             = 'errors';
  71      $message->userfrom          = $USER;
  72      $message->userto            = core_user::get_support_user();
  73      $message->subject           = 'Error: '. $data->referer .' -> '. $data->requested;
  74      $message->fullmessage       = $data->text;
  75      $message->fullmessageformat = FORMAT_PLAIN;
  76      $message->fullmessagehtml   = '';
  77      $message->smallmessage      = '';
  78      $message->contexturl = $data->requested;
  79      message_send($message);
  80  
  81      redirect($CFG->wwwroot, get_string('sendmessagesent', 'error', $data->requested), 5);
  82      exit;
  83  }
  84  
  85  echo $OUTPUT->header();
  86  echo $OUTPUT->notification(get_string('pagenotexist', 'error', s($ME)), 'error');
  87  
  88  if (!empty($CFG->supportpage)) {
  89      echo \html_writer::tag('h4', get_string('supportpage', 'admin'));
  90      $link = \html_writer::link($CFG->supportpage, $CFG->supportpage);
  91      echo \html_writer::tag('p', $link);
  92  }
  93  if (!empty($CFG->supportemail)) {
  94      echo \html_writer::tag('h4', get_string('supportemail', 'admin'));
  95      $link = \html_writer::link('mailto:' . $CFG->supportemail, $CFG->supportemail);
  96      echo \html_writer::tag('p', $link);
  97  }
  98  
  99  if ($canmessage) {
 100      echo \html_writer::tag('h4', get_string('sendmessage', 'error'));
 101      $mform->display();
 102  } else {
 103      echo $OUTPUT->continue_button($CFG->wwwroot);
 104  }
 105  
 106  echo $OUTPUT->footer();
 107