public function testGet()
{
$pw = 'L0ck it up saf3';
$pt = 'pssst ... đon’t tell anyøne!';
$encr = AesCtr::encrypt($pt, $pw, 256);
$this->assertNotEquals($encr, $pw);
$this->assertNotEquals($encr, $pt);
$decr = AesCtr::decrypt($encr, $pw, 256);
$this->assertEquals($decr, $pt);
}
public static function extract($encr, $debug = false)
{
global $CFG;
$pt = \Tsugi\Crypt\AesCtr::decrypt($encr, $CFG->cookiesecret, 256);
if ($debug) {
echo "PT2: {$pt}\n";
}
$pieces = explode('::', $pt);
if (count($pieces) != 3) {
return false;
}
if ($pieces[0] != $CFG->cookiepad) {
return false;
}
return array($pieces[1], $pieces[2]);
}
public function renderBadges($allgrades)
{
global $CFG;
echo '<h1>' . $this->lessons->title . "</h1>\n";
$awarded = array();
?>
<ul class="nav nav-tabs">
<li class="active"><a href="#home" data-toggle="tab" aria-expanded="true">Progress</a></li>
<li class=""><a href="#profile" data-toggle="tab" aria-expanded="false">Badges Awarded</a></li>
</ul>
<div id="myTabContent" class="tab-content">
<div class="tab-pane fade active in" id="home">
<?php
echo '<table class="table table-striped table-hover "><tbody>' . "\n";
foreach ($this->lessons->badges as $badge) {
$threshold = $badge->threshold;
$count = 0;
$total = 0;
$scores = array();
foreach ($badge->assignments as $resource_link_id) {
$score = 0;
if (isset($allgrades[$resource_link_id])) {
$score = 100 * $allgrades[$resource_link_id];
}
$scores[$resource_link_id] = $score;
$total = $total + $score;
$count = $count + 1;
}
$max = $count * 100;
$progress = $max <= 0 ? 100 : intval($total / $max * 100);
$kind = 'danger';
if ($progress < 5) {
$progress = 5;
}
if ($progress > 5) {
$kind = 'warning';
}
if ($progress > 50) {
$kind = 'info';
}
if ($progress >= $threshold * 100) {
$kind = 'success';
$awarded[] = $badge;
}
echo '<tr><td class="info">';
echo '<i class="fa fa-certificate" aria-hidden="true" style="padding-right: 5px;"></i>';
echo $badge->title;
echo '</td><td class="info" style="width: 30%; min-width: 200px;">';
echo '<div class="progress">';
echo '<div class="progress-bar progress-bar-' . $kind . '" style="width: ' . $progress . '%"></div>';
echo '</div>';
echo "</td></tr>\n";
foreach ($badge->assignments as $resource_link_id) {
$score = 0;
if (isset($allgrades[$resource_link_id])) {
$score = 100 * $allgrades[$resource_link_id];
}
$progress = intval($score * 100);
$kind = 'danger';
if ($progress < 5) {
$progress = 5;
}
if ($progress > 5) {
$kind = 'warning';
}
if ($progress > 50) {
$kind = 'info';
}
if ($progress >= 100) {
$kind = 'success';
}
$module = $this->getModuleByRlid($resource_link_id);
$lti = $this->getLtiByRlid($resource_link_id);
echo '<tr><td>';
echo '<a href="lessons.php?anchor=' . $module->anchor . '">';
echo '<i class="fa fa-square-o text-info" aria-hidden="true" style="label label-success; padding-right: 5px;"></i>';
echo $lti->title . "</a>\n";
echo '</td><td style="width: 30%; min-width: 200px;">';
echo '<a href="lessons.php?anchor=' . $module->anchor . '">';
echo '<div class="progress">';
echo '<div class="progress-bar progress-bar-' . $kind . '" style="width: ' . $progress . '%"></div>';
echo '</div>';
echo '</a>';
echo "</td></tr>\n";
}
}
echo '</tbody></table>' . "\n";
?>
</div>
<div class="tab-pane fade" id="profile">
<?php
if (count($awarded) < 1) {
echo "<p>No badges have been awarded yet.</p>";
} else {
echo "</ul>\n";
foreach ($awarded as $badge) {
echo "<li>";
$code = basename($badge->image, '.png');
$decrypted = $_SESSION['id'] . ':' . $code . ':' . $_SESSION['context_id'];
$encrypted = bin2hex(AesCtr::encrypt($decrypted, $CFG->badge_encrypt_password, 256));
echo '<a href="badges/images/' . $encrypted . '.png" target="_blank">';
echo '<img src="badges/images/' . $encrypted . '.png" width="90"></a>';
echo $badge->title;
echo "</li>\n";
}
echo "</ul>\n";
?>
<p>These badges contain the official Open Badge metadata. You can download the badge and
put it on your own server, or add the badge to a "badge packpack". You could validate the badge
using <a href="http://www.dr-chuck.com/obi-sample/" target="_blank">A simple badge validator</a>.
</p>
<?php
}
?>
</div>
<?php
}
