/
play.php
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/
play.php
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<?php
/**
* Licensed to The Apereo Foundation under one or more contributor license
* agreements. See the NOTICE file distributed with this work for
* additional information regarding copyright ownership.
* The Apereo Foundation licenses this file to you under the Apache License,
* Version 2.0 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
require("module_functions.php");
global $youtube_api_key;
$youtube_api_key = "";
if (file_exists(dirname(__FILE__) . "/../../api_keys.php")){
include_once(dirname(__FILE__) . "/../../api_keys.php");
}
require_once(dirname(__FILE__) . '/../../website_code/php/xmlInspector.php');
//Function show_template
//
// Version 1.0 University of Nottingham
// (pl)
// Set up the preview window for a xerte piece
function show_template_page($row, $datafile="", $tsugi_enabled = false)
{
global $xerte_toolkits_site;
global $youtube_api_key;
global $pedit_enabled;
_load_language_file("/modules/xerte/preview.inc");
$version = getVersion();
$string_for_flash = $xerte_toolkits_site->users_file_area_short . $row['template_id'] . "-" . $row['username'] . "-" . $row['template_name'] . "/";
if (strlen($datafile) > 0)
{
$xmlfile = $string_for_flash . $datafile;
}
else
{
$xmlfile = $string_for_flash . "data.xml";
}
$xmlFixer = new XerteXMLInspector();
$xmlFixer->loadTemplateXML($xmlfile, true);
if (strlen($xmlFixer->getName()) > 0)
{
$title = $xmlFixer->getName();
}
else
{
$title = XERTE_PREVIEW_TITLE;
}
$string_for_flash_xml = $xmlfile . "?time=" . time();
$flash_js_dir = "modules/" . $row['template_framework'] . "/";
$template_path = "modules/" . $row['template_framework'] . "/parent_templates/" . $row['template_name'] . "/";
$rlo_file = $template_path . $row['template_name'] . ".rlt";
list($x, $y) = explode("~",get_template_screen_size($row['template_name'],$row['template_framework']));
// determine the correct engine to use
$engine = 'flash';
$extra_flags = explode(";", $row['extra_flags']);
foreach($extra_flags as $flag)
{
$parameter = explode("=", $flag);
switch($parameter[0])
{
case 'engine':
$engine = $parameter[1];
break;
}
}
// If given as a parameter, force this engine
if (isset($_REQUEST['engine'])) {
if ($_REQUEST['engine'] == 'other') {
if ($engine == 'flash')
$engine = 'javascript';
else
$engine = 'flash';
} else {
$engine = $_REQUEST['engine'];
}
}
$tracking_js_file = array($template_path . "common_html5/js/xttracking_noop.js");
if($tsugi_enabled) {
$rlo_object_file = "rloObject.htm";
if ($pedit_enabled)
{
if($row["tsugi_xapi_enabled"] == 1) {
$tracking_js_file = array($flash_js_dir . "pedit/ALOConnection.js", $flash_js_dir . "pedit/xttracking_xapi_pedit.js");
}
else
{
$tracking_js_file = array($flash_js_dir . "pedit/ALOConnection.js", $flash_js_dir . "pedit/xttracking_pedit.js");
}
}
else
{
if($row["tsugi_xapi_enabled"] == 1) {
$tracking_js_file = array($flash_js_dir . "xAPI/xttracking_xapi.js");
}
}
}else{
$rlo_object_file = "rloObject.htm";
}
if ($engine == 'flash')
{
$page_content = file_get_contents($xerte_toolkits_site->basic_template_path . $row['template_framework'] . "/player/$rlo_object_file");
$page_content = str_replace("%WIDTH%", $x, $page_content);
$page_content = str_replace("%HEIGHT%", $y, $page_content);
$page_content = str_replace("%TITLE%", $title , $page_content);
$page_content = str_replace("%RLOFILE%", $rlo_file, $page_content);
$page_content = str_replace("%JSDIR%", $flash_js_dir, $page_content);
$page_content = str_replace("%XMLPATH%", $string_for_flash, $page_content);
$page_content = str_replace("%XMLFILE%", $string_for_flash_xml, $page_content);
$page_content = str_replace("%SITE%",$xerte_toolkits_site->site_url,$page_content);
$tracking = "";
foreach($tracking_js_file as $jsfile)
{
$tracking .= "<script type=\"text/javascript\" src=\"$jsfile?version=" . $version . "\"></script>\n";
}
if ($tsugi_enabled && $row["tsugi_xapi_enabled"] == 1) {
$tracking .= "<script type=\"text/javascript\" src=\"$flash_js_dir/xAPI/tincan.js?\"></script>\n";
}
if($tsugi_enabled)
{
$tracking .= "<script>\n";
if($row["tsugi_xapi_enabled"] == 1) {
$tracking .= " var lrsEndpoint = '" . $row['tsugi_xapi_endpoint'] . "';\n";
$tracking .= " var lrsUsername = '" . $row['tsugi_xapi_key'] . "';\n";
$tracking .= " var lrsPassword = '" . $row['tsugi_xapi_secret'] . "';\n";
if ($row["tsugi_published"] == 1) {
_debug("LTI User detected: " . print_r($xerte_toolkits_site->lti_user, true));
$tracking .= " var username = '" . $xerte_toolkits_site->lti_user->email . "';\n";
$tracking .= " var fullusername = '" . $xerte_toolkits_site->lti_user->displayname . "';\n";
$tracking .= " var studentidmode = '" . $row['tsugi_xapi_student_id_mode'] . "';\n";
if ($row['tsugi_xapi_student_id_mode'] == 1)
{
$tracking .= " var mboxsha1 = '" . sha1("mailto:" . $xerte_toolkits_site->lti_user->email) . "';\n";
}
}
else
{
// Only xAPI - force group mode
$tracking .= " var studentidmode = 3;\n";
}
if (isset($xerte_toolkits_site->group))
{
$tracking .= " var groupname = '" . $xerte_toolkits_site->group . "';\n";
}
}
$tracking .= "</script>\n";
_debug("Tracking script: " . $tracking);
}
$page_content = str_replace("%TRACKING_SUPPORT%", $tracking, $page_content);
}
else if ($engine == 'xml')
{
// Just return the raw xml
$page_content = file_get_contents($xmlfile);
// Replace "FileLocation + '" with $xerte_toolkits_site->site_url . $string_for_flash
// NOTE: also get rid of the closing '
return preg_replace("#FileLocation\s*\+\s*'([^']+)'#", $xerte_toolkits_site->site_url . $string_for_flash . "$1", $page_content);
}
else if ($engine == 'export')
{
ini_set('max_execution_time', 300);
require_once($xerte_toolkits_site->root_file_path . "website_code/php/template_status.php");
if(is_template_exportable($_GET['template_id'])){
require_once($xerte_toolkits_site->root_file_path . "modules/xerte/export.php");
}
}
else
{
$version = getVersion();
// $engine is assumed to be javascript if flash is NOT set
$page_content = file_get_contents($xerte_toolkits_site->basic_template_path . $row['template_framework'] . "/player_html5/$rlo_object_file");
$page_content = str_replace("%VERSION%", $version , $page_content);
$page_content = str_replace("%VERSION_PARAM%", "?version=" . $version , $page_content);
$page_content = str_replace("%TITLE%", $title , $page_content);
$page_content = str_replace("%TEMPLATEPATH%", $template_path, $page_content);
$page_content = str_replace("%TEMPLATEID%", $_GET['template_id'], $page_content);
$page_content = str_replace("%XMLPATH%", $string_for_flash, $page_content);
$page_content = str_replace("%XMLFILE%", $string_for_flash_xml, $page_content);
$page_content = str_replace("%THEMEPATH%", "themes/" . $row['template_name'] . "/",$page_content);
// Handle offline variables
$page_content = str_replace("%OFFLINESCRIPTS%", "", $page_content);
$page_content = str_replace("%OFFLINEINCLUDES%", "", $page_content);
$page_content = str_replace("%MATHJAXPATH%", "https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.1/", $page_content);
$tracking = "";
foreach($tracking_js_file as $jsfile)
{
$tracking .= "<script type=\"text/javascript\" src=\"$jsfile?version=" . $version . "\"></script>\n";
}
if ($tsugi_enabled && $row["tsugi_xapi_enabled"] == 1) {
$tracking .= "<script type=\"text/javascript\" src=\"$flash_js_dir/xAPI/tincan.js?\"></script>\n";
}
if($tsugi_enabled)
{
$tracking .= "<script>\n";
if($row["tsugi_xapi_enabled"] == 1) {
$tracking .= " var lrsEndpoint = '" . $row['tsugi_xapi_endpoint'] . "';\n";
$tracking .= " var lrsUsername = '" . $row['tsugi_xapi_key'] . "';\n";
$tracking .= " var lrsPassword = '" . $row['tsugi_xapi_secret'] . "';\n";
if ($row["tsugi_published"] == 1) {
_debug("LTI User detected: " . print_r($xerte_toolkits_site->lti_user, true));
$tracking .= " var username = '" . $xerte_toolkits_site->lti_user->email . "';\n";
$tracking .= " var fullusername = '" . $xerte_toolkits_site->lti_user->displayname . "';\n";
$tracking .= " var studentidmode = '" . $row['tsugi_xapi_student_id_mode'] . "';\n";
if ($row['tsugi_xapi_student_id_mode'] == 1)
{
$tracking .= " var mboxsha1 = '" . sha1("mailto:" . $xerte_toolkits_site->lti_user->email) . "';\n";
}
}
else
{
// Only xAPI - force group mode
$tracking .= " var studentidmode = 3;\n";
}
if (isset($xerte_toolkits_site->group))
{
$tracking .= " var groupname = '" . $xerte_toolkits_site->group . "';\n";
}
}
$tracking .= "</script>\n";
_debug("Tracking script: " . $tracking);
}
$page_content = str_replace("%TRACKING_SUPPORT%", $tracking, $page_content);
$page_content = str_replace("%YOUTUBEAPIKEY%", $youtube_api_key, $page_content);
}
if(substr($rlo_object_file, -3) == "php")
{
$tmp = tmpfile ();
$tmpf = stream_get_meta_data ( $tmp );
$tmpf = $tmpf ['uri'];
fwrite ( $tmp, $page_content );
$ret = include($tmpf);
fclose ( $tmp );
return $ret;
}
return $page_content;
}
function show_template($row, $tsugi_enabled=false)
{
echo show_template_page($row, "", $tsugi_enabled);
}