attributes.php

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<?php
function present_list($attr)
{
    if (is_array($attr) && count($attr) > 1) {
        $str = '<ul>';
        foreach ($attr as $value) {
            $str .= '<li>'.htmlspecialchars($attr).'</li>';
        }
        $str .= '</ul>';
        return $str;
    } else {
        return htmlspecialchars($attr[0]);
    }
}

function present_assoc($attr)
{
    if (is_array($attr)) {
        $str = '<dl>';
        foreach ($attr as $key => $value) {
            $str .= "\n".'<dt>'.htmlspecialchars($key).'</dt><dd>'.present_list($value).'</dd>';
        }
        $str .= '</dl>';
        return $str;
    } else {
        return htmlspecialchars($attr);
    }
}

function present_eptid(\SimpleSAML\Locale\Translate $t, \SAML2\XML\saml\NameID $nameID)
{
    $eptid = array(
        'NameID' => array($nameID->value),
    );
    if (!empty($nameID->Format)) {
        $eptid[$t->t('{status:subject_format}')] = array($nameID->Format);
    }
    if (!empty($nameID->NameQualifier)) {
        $eptid['NameQualifier'] = array($nameID->NameQualifier);
    }
    if (!empty($nameID->SPNameQualifier)) {
        $eptid['SPNameQualifier'] = array($nameID->SPNameQualifier);
    }
    if (!empty($nameID->SPProvidedID)) {
        $eptid['SPProvidedID'] = array($nameID->SPProvidedID);
    }
    return '<td class="attrvalue">'.present_assoc($eptid);
}

function present_attributes(SimpleSAML_XHTML_Template $t, $attributes, $nameParent)
{
    $alternate = array('odd', 'even');
    $i = 0;

    $parentStr = (strlen($nameParent) > 0) ? strtolower($nameParent).'_' : '';
    $str = (strlen($nameParent) > 0) ? '<table class="attributes" summary="attribute overview">' :
        '<table id="table_with_attributes"  class="attributes" summary="attribute overview">';

    foreach ($attributes as $name => $value) {
        $nameraw = $name;
        $trans = $t->getTranslator();
        $name = $trans->getAttributeTranslation($parentStr.$nameraw);

        if (preg_match('/^child_/', $nameraw)) {
            $parentName = preg_replace('/^child_/', '', $nameraw);
            foreach ($value as $child) {
                $str .= '<tr class="odd"><td colspan="2" style="padding: 2em">'.
                    present_attributes($t, $child, $parentName).'</td></tr>';
            }
        } else {
            if (sizeof($value) > 1) {
                $str .= '<tr class="'.$alternate[($i++ % 2)].'"><td class="attrname">';

                if ($nameraw !== $name) {
                    $str .= htmlspecialchars($name).'<br/>';
                }
                $str .= '<tt>'.htmlspecialchars($nameraw).'</tt>';
                $str .= '</td><td class="attrvalue"><ul>';
                foreach ($value as $listitem) {
                    if ($nameraw === 'jpegPhoto') {
                        $str .= '<li><img src="data:image/jpeg;base64,'.htmlspecialchars($listitem).'" /></li>';
                    } else {
                        $str .= '<li>'.present_assoc($listitem).'</li>';
                    }
                }
                $str .= '</ul></td></tr>';
            } elseif (isset($value[0])) {
                $str .= '<tr class="'.$alternate[($i++ % 2)].'"><td class="attrname">';
                if ($nameraw !== $name) {
                    $str .= htmlspecialchars($name).'<br/>';
                }
                $str .= '<tt>'.htmlspecialchars($nameraw).'</tt>';
                $str .= '</td>';
                if ($nameraw === 'jpegPhoto') {
                    $str .= '<td class="attrvalue"><img src="data:image/jpeg;base64,'.htmlspecialchars($value[0]).
                        '" /></td></tr>';
                } elseif (is_a($value[0], 'DOMNodeList')) {
                    // try to see if we have a NameID here
                    $n = $value[0]->length;
                    for ($idx = 0; $idx < $n; $idx++) {
                        $elem = $value[0]->item($idx);
                        /* @var DOMElement $elem */
                        if (!($elem->localName === 'NameID' && $elem->namespaceURI === \SAML2\Constants::NS_SAML)) {
                            continue;
                        }
                        $str .= present_eptid($trans, new \SAML2\XML\saml\NameID($elem));
                        break; // we only support one NameID here
                    }
                    $str .= '</td></tr>';
                } elseif (is_a($value[0], '\SAML2\XML\saml\NameID')) {
                    $str .= present_eptid($trans, $value[0]);
                    $str .= '</td></tr>';
                } else {
                    $str .= '<td class="attrvalue">'.htmlspecialchars($value[0]).'</td></tr>';
                }
            }
        }
        $str .= "\n";
    }
    $str .= '</table>';
    return $str;
}