mod/lti/register.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  * This file contains all necessary code to launch a Tool Proxy registration
  19  *
  20  * @package mod_lti
  21  * @copyright  2014 Vital Source Technologies http://vitalsource.com
  22  * @author     Stephen Vickers
  23  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  24  */
  25
  26 require_once('../../config.php');
  27 require_once($CFG->libdir.'/adminlib.php');
  28 require_once($CFG->dirroot.'/mod/lti/locallib.php');
  29
  30 $id = required_param('id', PARAM_INT);
  31 $tab = optional_param('tab', '', PARAM_ALPHAEXT);
  32
  33 require_login(0, false);
  34
  35 $redirect = new moodle_url('/mod/lti/toolproxies.php', array('tab' => $tab));
  36 $redirect = $redirect->out();
  37
  38 require_sesskey();
  39
  40 $toolproxies = $DB->get_records('lti_tool_proxies');
  41
  42 $duplicate = false;
  43 foreach ($toolproxies as $key => $toolproxy) {
  44     if (($toolproxy->state == LTI_TOOL_PROXY_STATE_PENDING) || ($toolproxy->state == LTI_TOOL_PROXY_STATE_ACCEPTED)) {
  45         if ($toolproxy->regurl == $toolproxies[$id]->regurl) {
  46             $duplicate = true;
  47             break;
  48         }
  49     }
  50 }
  51
  52 $redirect = new moodle_url('/mod/lti/toolproxies.php');
  53 if ($duplicate) {
  54     redirect($redirect,  get_string('duplicateregurl', 'lti'));
  55 }
  56
  57
  58 $profileservice = lti_get_service_by_name('profile');
  59 if (empty($profileservice)) {
  60     redirect($redirect,  get_string('noprofileservice', 'lti'));
  61 }
  62
  63 $url = new moodle_url('/mod/lti/register.php', array('id' => $id));
  64 $PAGE->set_url($url);
  65
  66 admin_externalpage_setup('ltitoolproxies');
  67
  68
  69 $PAGE->set_heading(get_string('toolproxyregistration', 'lti'));
  70 $PAGE->set_title("{$SITE->shortname}: " . get_string('toolproxyregistration', 'lti'));
  71
  72 // Print the page header.
  73 echo $OUTPUT->header();
  74
  75 echo $OUTPUT->heading(get_string('toolproxyregistration', 'lti'));
  76
  77 echo $OUTPUT->box_start('generalbox');
  78
  79 // Request the registration request content with an object tag.
  80 $registration = new moodle_url('/mod/lti/registration.php',
  81     array('id' => $id, 'sesskey' => sesskey()));
  82
  83 echo "<p id=\"id_warning\" style=\"display: none; color: red; font-weight: bold; margin-top: 1em; padding-top: 1em;\">\n";
  84 echo get_string('register_warning', 'lti');
  85 echo "\n</p>\n";
  86
  87 echo '<iframe id="contentframe" height="600px" width="100%" src="' . $registration->out() . '" onload="doOnload()"></iframe>';
  88
  89 // Output script to make the object tag be as large as possible.
  90 $resize = '
  91         <script type="text/javascript">
  92         //<![CDATA[
  93             function doReveal() {
  94               var el = document.getElementById(\'id_warning\');
  95               el.style.display = \'block\';
  96             }
  97             function doOnload() {
  98                 window.clearTimeout(mod_lti_timer);
  99             }
 100             var mod_lti_timer = window.setTimeout(doReveal, 20000);
 101             YUI().use("node", "event", function(Y) {
 102                 //Take scrollbars off the outer document to prevent double scroll bar effect
 103                 var doc = Y.one("body");
 104                 doc.setStyle("overflow", "hidden");
 105
 106                 var frame = Y.one("#contentframe");
 107                 var padding = 15; //The bottom of the iframe wasn\'t visible on some themes. Probably because of border widths, etc.
 108                 var lastHeight;
 109                 var resize = function(e) {
 110                     var viewportHeight = doc.get("winHeight");
 111                     if(lastHeight !== Math.min(doc.get("docHeight"), viewportHeight)){
 112                         frame.setStyle("height", viewportHeight - frame.getY() - padding + "px");
 113                         lastHeight = Math.min(doc.get("docHeight"), doc.get("winHeight"));
 114                     }
 115                 };
 116
 117                 resize();
 118
 119                 Y.on("windowresize", resize);
 120             });
 121         //]]
 122         </script>
 123 ';
 124
 125 echo $resize;
 126
 127 // Finish the page.
 128 echo $OUTPUT->box_end();
 129 echo $OUTPUT->footer();