<?php

> // This file is part of Moodle - http://moodle.org/

> //
    require('../config.php');
> // Moodle is free software: you can redistribute it and/or modify

> // it under the terms of the GNU General Public License as published by
    // Form submitted, do not check referer (original page unknown).
> // the Free Software Foundation, either version 3 of the License, or
    if ($form = data_submitted()) {
> // (at your option) any later version.
        // Only deal with real users.
> //
        if (!isloggedin()) {
> // Moodle is distributed in the hope that it will be useful,
            redirect($CFG->wwwroot);
> // but WITHOUT ANY WARRANTY; without even the implied warranty of
        }
> // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

> // GNU General Public License for more details.
        // Send the message and redirect.
> //
        $eventdata = new \core\message\message();
> // You should have received a copy of the GNU General Public License
        $eventdata->courseid         = SITEID;
> // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
        $eventdata->component        = 'moodle';
> 
        $eventdata->name             = 'errors';
> /**
        $eventdata->userfrom          = $USER;
>  * Moodle 404 Error page
        $eventdata->userto            = core_user::get_support_user();
>  *
        $eventdata->subject           = 'Error: '. $form->referer .' -> '. $form->requested;
>  * This is for 404 error pages served by the webserver and then passed
        $eventdata->fullmessage       = $form->text;
>  * to Moodle to be rendered using the site theme.
        $eventdata->fullmessageformat = FORMAT_PLAIN;
>  *
        $eventdata->fullmessagehtml   = '';
>  * ErrorDocument 404 /error/index.php
        $eventdata->smallmessage      = '';
>  *
        message_send($eventdata);
>  * @package    core

>  * @copyright  2020 Brendan Heywood <brendan@catalyst-au.net>
        redirect($CFG->wwwroot .'/course/', 'Message sent, thanks', 3);
>  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
        exit;
>  */
    }
> 

> require('../config.php'); // phpcs:ignore
    $site = get_site();
> 
    $redirecturl = empty($_SERVER['REDIRECT_URL']) ? '' : $_SERVER['REDIRECT_URL'];
> $context = context_system::instance();
    $httpreferer = get_local_referer(false);
> $title = get_string('pagenotexisttitle', 'error');
    $requesturi  = empty($_SERVER['REQUEST_URI'])  ? '' : $_SERVER['REQUEST_URI'];
> $PAGE->set_url('/error/index.php');

> $PAGE->set_context($context);
    header("HTTP/1.0 404 Not Found");
> $PAGE->set_title($title);
    header("Status: 404 Not Found");
> $PAGE->set_heading($title);

> $PAGE->navbar->add($title);
    $PAGE->set_url('/error/');
> 
    $PAGE->set_context(context_system::instance());
> // This allows the webserver to dictate wether the http status should remain
    $PAGE->set_title($site->fullname .':Error');
> // what it would have been, or force it to be a 404. Under other conditions
    $PAGE->set_heading($site->fullname .': Error 404');
> // it could most often be a 403, 405 or a 50x error.
    $PAGE->navbar->add('Error 404 - File not Found');
> $code = optional_param('code', 0, PARAM_INT);
    echo $OUTPUT->header();
> if ($code == 404) {
    echo $OUTPUT->box(get_string('pagenotexist', 'error'). '<br />'.s($requesturi), 'generalbox boxaligncenter');
>     header("HTTP/1.0 404 Not Found");

> }
    if (isloggedin()) {
> 
?>
> $canmessage = has_capability('moodle/site:senderrormessage', $context);
        <p><?php echo get_string('pleasereport', 'error'); ?>
> 
        <p><form action="<?php echo $CFG->wwwroot ?>/error/index.php" method="post">
> $supportuser = core_user::get_support_user();
           <textarea rows="3" cols="50" name="text" id="text" spellcheck="true"></textarea><br />
> 
           <input type="hidden" name="referer" value="<?php p($httpreferer) ?>">
> // We can only message support if both the user has the capability
           <input type="hidden" name="requested" value="<?php p($requesturi) ?>">
> // and the support user is a real user.
           <input type="submit" value="<?php echo get_string('sendmessage', 'error'); ?>">
> if ($canmessage) {
           </form>
>     $canmessage = core_user::is_real_user($supportuser->id);
<?php
> }



<     require('../config.php');



> $mform = new \core\form\error_feedback($CFG->wwwroot . '/error/index.php');



<     // Form submitted, do not check referer (original page unknown).
<     if ($form = data_submitted()) {
<         // Only deal with real users.
<         if (!isloggedin()) {



> if ($data = $mform->get_data()) {
> 
>     if (!$canmessage) {



<         $eventdata = new \core\message\message();
<         $eventdata->courseid         = SITEID;
<         $eventdata->component        = 'moodle';
<         $eventdata->name             = 'errors';
<         $eventdata->userfrom          = $USER;
<         $eventdata->userto            = core_user::get_support_user();
<         $eventdata->subject           = 'Error: '. $form->referer .' -> '. $form->requested;
<         $eventdata->fullmessage       = $form->text;
<         $eventdata->fullmessageformat = FORMAT_PLAIN;
<         $eventdata->fullmessagehtml   = '';
<         $eventdata->smallmessage      = '';
<         message_send($eventdata);



>     $message = new \core\message\message();
>     $message->courseid         = SITEID;
>     $message->component        = 'moodle';
>     $message->name             = 'errors';
>     $message->userfrom          = $USER;
>     $message->userto            = core_user::get_support_user();
>     $message->subject           = 'Error: '. $data->referer .' -> '. $data->requested;
>     $message->fullmessage       = $data->text;
>     $message->fullmessageformat = FORMAT_PLAIN;
>     $message->fullmessagehtml   = '';
>     $message->smallmessage      = '';
>     $message->contexturl = $data->requested;
>     message_send($message);



<         redirect($CFG->wwwroot .'/course/', 'Message sent, thanks', 3);



>     redirect($CFG->wwwroot, get_string('sendmessagesent', 'error', $data->requested), 5);



<     $site = get_site();
<     $redirecturl = empty($_SERVER['REDIRECT_URL']) ? '' : $_SERVER['REDIRECT_URL'];
<     $httpreferer = get_local_referer(false);
<     $requesturi  = empty($_SERVER['REQUEST_URI'])  ? '' : $_SERVER['REQUEST_URI'];
< 
<     header("HTTP/1.0 404 Not Found");
<     header("Status: 404 Not Found");
< 
<     $PAGE->set_url('/error/');
<     $PAGE->set_context(context_system::instance());
<     $PAGE->set_title($site->fullname .':Error');
<     $PAGE->set_heading($site->fullname .': Error 404');
<     $PAGE->navbar->add('Error 404 - File not Found');



<     echo $OUTPUT->box(get_string('pagenotexist', 'error'). '<br />'.s($requesturi), 'generalbox boxaligncenter');



> echo $OUTPUT->notification(get_string('pagenotexist', 'error', s($ME)), 'error');
> echo $OUTPUT->supportemail(['class' => 'text-center d-block mb-3 font-weight-bold']);



<     if (isloggedin()) {
< ?>
<         <p><?php echo get_string('pleasereport', 'error'); ?>
<         <p><form action="<?php echo $CFG->wwwroot ?>/error/index.php" method="post">
<            <textarea rows="3" cols="50" name="text" id="text" spellcheck="true"></textarea><br />
<            <input type="hidden" name="referer" value="<?php p($httpreferer) ?>">
<            <input type="hidden" name="requested" value="<?php p($requesturi) ?>">
<            <input type="submit" value="<?php echo get_string('sendmessage', 'error'); ?>">
<            </form>
< <?php



> if ($canmessage) {
>     echo \html_writer::tag('h4', get_string('sendmessage', 'error'));
>     $mform->display();



> 



< ?>