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_HOST);
  37 $user = optional_param('user', 0, PARAM_INT);
  38
  39 if (isset($CFG->iplookup)) {
  40     // Clean up of old settings.
  41     set_config('iplookup', NULL);
  42 }
  43
  44 $PAGE->set_url('/iplookup/index.php', array('id'=>$ip, 'user'=>$user));
  45 $PAGE->set_pagelayout('popup');
  46 $PAGE->set_context(context_system::instance());
  47
  48 $info = array($ip);
  49 $note = array();
  50
  51 if (!preg_match('/(^\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/', $ip, $match)) {
  52     print_error('invalidipformat', 'error');
  53 }
  54
  55 if ($match[1] > 255 or $match[2] > 255 or $match[3] > 255 or $match[4] > 255) {
  56     print_error('invalidipformat', 'error');
  57 }
  58
  59 if ($match[1] == '127' or $match[1] == '10' or ($match[1] == '172' and $match[2] >= '16' and $match[2] <= '31') or ($match[1] == '192' and $match[2] == '168')) {
  60     print_error('iplookupprivate', 'error');
  61 }
  62
  63 $info = iplookup_find_location($ip);
  64
  65 if ($info['error']) {
  66     // Can not display.
  67     notice($info['error']);
  68 }
  69
  70 if ($user) {
  71     if ($user = $DB->get_record('user', array('id'=>$user, 'deleted'=>0))) {
  72         // note: better not show full names to everybody
  73         if (has_capability('moodle/user:viewdetails', context_user::instance($user->id))) {
  74             array_unshift($info['title'], fullname($user));
  75         }
  76     }
  77 }
  78 array_unshift($info['title'], $ip);
  79
  80 $title = implode(' - ', $info['title']);
  81 $PAGE->set_title(get_string('iplookup', 'admin').': '.$title);
  82 $PAGE->set_heading($title);
  83 echo $OUTPUT->header();
  84
  85 if (empty($CFG->googlemapkey3)) {
  86     $imgwidth  = 620;
  87     $imgheight = 310;
  88     $dotwidth  = 18;
  89     $dotheight = 30;
  90
  91     $dx = round((($info['longitude'] + 180) * ($imgwidth / 360)) - $imgwidth - $dotwidth/2);
  92     $dy = round((($info['latitude'] + 90) * ($imgheight / 180)));
  93
  94     echo '<div id="map" style="width:'.($imgwidth+$dotwidth).'px; height:'.$imgheight.'px;">';
  95     echo '<img src="earth.jpeg" style="width:'.$imgwidth.'px; height:'.$imgheight.'px" alt="" />';
  96     echo '<img src="marker.gif" style="width:'.$dotwidth.'px; height:'.$dotheight.'px; margin-left:'.$dx.'px; margin-bottom:'.$dy.'px;" alt="" />';
  97     echo '</div>';
  98     echo '<div id="note">'.$info['note'].'</div>';
  99
 100 } else {
 101     if (is_https()) {
 102         $PAGE->requires->js(new moodle_url('https://maps.googleapis.com/maps/api/js', array('key'=>$CFG->googlemapkey3, 'sensor'=>'false')));
 103     } else {
 104         $PAGE->requires->js(new moodle_url('http://maps.googleapis.com/maps/api/js', array('key'=>$CFG->googlemapkey3, 'sensor'=>'false')));
 105     }
 106     $module = array('name'=>'core_iplookup', 'fullpath'=>'/iplookup/module.js');
 107     $PAGE->requires->js_init_call('M.core_iplookup.init3', array($info['latitude'], $info['longitude'], $ip), true, $module);
 108
 109     echo '<div id="map" style="width: 650px; height: 360px"></div>';
 110     echo '<div id="note">'.$info['note'].'</div>';
 111 }
 112
 113 echo $OUTPUT->footer();