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Merge branch 'MDL-66810-master' of git://github.com/peterRd/moodle

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This commit is contained in:
Andrew Nicols 2020-08-27 10:21:30 +08:00
commit fbf3ca0705
1 changed files with 28 additions and 2 deletions
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30
mod/lti/view.php
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@ -145,9 +145,35 @@ if (($launchcontainer == LTI_LAUNCH_CONTAINER_WINDOW) &&
$content = lti_initiate_login($cm->course, $id, $lti, $config);
}
// Build the allowed URL, since we know what it will be from $lti->toolurl,
// If the specified toolurl is invalid the iframe won't load, but we still want to avoid parse related errors here.
// So we set an empty default allowed url, and only build a real one if the parse is successful.
$ltiallow = '';
$urlparts = parse_url($lti->toolurl);
if ($urlparts && array_key_exists('scheme', $urlparts) && array_key_exists('host', $urlparts)) {
$ltiallow = $urlparts['scheme'] . '://' . $urlparts['host'];
// If a port has been specified we append that too.
if (array_key_exists('port', $urlparts)) {
$ltiallow .= ':' . $urlparts['port'];
}
}
// Request the launch content with an iframe tag.
echo '<iframe id="contentframe" height="600px" width="100%" src="launch.php?id=' . $cm->id .
"&triggerview=0\" webkitallowfullscreen mozallowfullscreen allowfullscreen>{$content}</iframe>";
$attributes = [];
$attributes['id'] = "contentframe";
$attributes['height'] = '600px';
$attributes['width'] = '100%';
$attributes['src'] = 'launch.php?id=' . $cm->id . '&triggerview=0';
$attributes['allow'] = "microphone $ltiallow; " .
"camera $ltiallow; " .
"geolocation $ltiallow; " .
"midi $ltiallow; " .
"encrypted-media $ltiallow; " .
"autoplay $ltiallow";
$attributes['allowfullscreen'] = 1;
$iframehtml = html_writer::tag('iframe', $content, $attributes);
echo $iframehtml;
// Output script to make the iframe tag be as large as possible.
$resize = '