iplookup/index.php

   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  * Displays IP address on map.
  19  *
  20  * This script is not compatible with IPv6.
  21  *
  22  * @package    core_iplookup
  23  * @copyright  2008 Petr Skoda (http://skodak.org)
  24  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  25  */
  26
  27 require('../config.php');
  28 require_once('lib.php');
  29
  30 require_login(0, false);
  31 if (isguestuser()) {
  32     // Guest users cannot perform lookups.
  33     throw new require_login_exception('Guests are not allowed here.');
  34 }
  35
  36 $ip = optional_param('ip', getremoteaddr(), PARAM_RAW);
  37 $user = optional_param('user', 0, PARAM_INT);
  38 $width = optional_param('width', 0, PARAM_INT);
  39 $height = optional_param('height', 0, PARAM_INT);
  40 $ispopup = optional_param('popup', 0, PARAM_INT);
  41
  42 if (isset($CFG->iplookup)) {
  43     // Clean up of old settings.
  44     set_config('iplookup', NULL);
  45 }
  46
  47 $urlparams = [
  48     'id' => $ip,
  49     'user' => $user,
  50 ];
  51
  52 // Params width and height are set, we assume to have a popup.
  53 if ($width > 0 && $height > 0) {
  54     $urlparams['width'] = $width;
  55     $urlparams['height'] = $height;
  56     $ispopup = 1;
  57 } else if ($ispopup === 1) {  // Param popup was set, then we know that we want a popup.
  58     $urlparams['ispopup'] = 1;
  59 }
  60 // Set the page layout accordingly.
  61 if ($ispopup) {
  62     $PAGE->set_pagelayout('popup');
  63 } else {
  64     $PAGE->set_pagelayout('standard');
  65 }
  66
  67 $PAGE->set_url('/iplookup/index.php', $urlparams);
  68 $PAGE->set_context(context_system::instance());
  69
  70 $info = array($ip);
  71 $note = array();
  72
  73 if (cleanremoteaddr($ip) === false) {
  74     throw new \moodle_exception('invalidipformat', 'error');
  75 }
  76
  77 if (!ip_is_public($ip)) {
  78     throw new \moodle_exception('iplookupprivate', 'error');
  79 }
  80
  81 $info = iplookup_find_location($ip);
  82
  83 if ($info['error']) {
  84     // Can not display.
  85     notice($info['error']);
  86 }
  87
  88 if ($user) {
  89     if ($user = $DB->get_record('user', array('id'=>$user, 'deleted'=>0))) {
  90         // note: better not show full names to everybody
  91         if (has_capability('moodle/user:viewdetails', context_user::instance($user->id))) {
  92             array_unshift($info['title'], fullname($user));
  93         }
  94     }
  95 }
  96
  97 $title = $ip;
  98 foreach ($info['title'] as $component) {
  99     if (!empty(trim($component))) {
 100         $title .= ' - ' . $component;
 101     }
 102 }
 103 $PAGE->set_title(get_string('iplookup', 'admin').': '.$title);
 104 $PAGE->set_heading($title);
 105 echo $OUTPUT->header();
 106
 107 // The map dimension is here as big as the popup/page is, so max with and at least 360px height.
 108 if ($ispopup) {
 109     echo '<h1 class="iplookup h2">' . htmlspecialchars($title, ENT_QUOTES | ENT_HTML401 | ENT_SUBSTITUTE) . '</h1>';
 110     $mapdim = 'width: '
 111         . (($width > 0) ? $width . 'px' : '100%')
 112         . '; height: '
 113         . (($height > 0) ? $height . 'px;' : '100%; min-height:360px;');
 114 } else {
 115     $mapdim = 'width:100%; height:100%;min-height:360px';
 116 }
 117
 118 if (empty($CFG->googlemapkey3)) { // No Google API key is set, we use OSM.
 119
 120     // Have a fixed zoom factor to calculate corners of the map.
 121     $fkt = 4;
 122     $bboxleft = $info['longitude'] - $fkt;
 123     $bboxbottom = $info['latitude'] - $fkt;
 124     $bboxright = $info['longitude'] + $fkt;
 125     $bboxtop = $info['latitude'] + $fkt;
 126
 127     echo '<div id="map" style="' . $mapdim . '">'
 128         . '<object data="https://www.openstreetmap.org/export/embed.html?bbox='
 129         . $bboxleft . '%2C' . $bboxbottom . '%2C' . $bboxright . '%2C' . $bboxtop
 130         . '&layer=mapnik&marker=' . $info['latitude']  . '%2C' . $info['longitude'] . '" style="' . $mapdim . '"></object>'
 131         . '</div>'
 132         . '<div id="note">' . $info['note'] . '</div>';
 133
 134
 135 } else { // Google API key is set, then use Google Maps.
 136     $PAGE->requires->js(new moodle_url(
 137         'https://maps.googleapis.com/maps/api/js',
 138         [
 139             'key' => $CFG->googlemapkey3,
 140             'sensor' => 'false'
 141         ]
 142     ));
 143     $module = array('name'=>'core_iplookup', 'fullpath'=>'/iplookup/module.js');
 144     $PAGE->requires->js_init_call('M.core_iplookup.init3', [$info['latitude'], $info['longitude'], $ip], true, $module);
 145
 146     echo '<div id="map" style="' . $mapdim . '"></div>';
 147     echo '<div id="note">'.$info['note'].'</div>';
 148 }
 149
 150 echo $OUTPUT->footer();