diff options
Diffstat (limited to 'plugins/OStatus/lib/xrd.php')
| -rw-r--r-- | plugins/OStatus/lib/xrd.php | 21 |
1 files changed, 13 insertions, 8 deletions
diff --git a/plugins/OStatus/lib/xrd.php b/plugins/OStatus/lib/xrd.php index 16d27f8eb..85df26c54 100644 --- a/plugins/OStatus/lib/xrd.php +++ b/plugins/OStatus/lib/xrd.php @@ -53,17 +53,22 @@ class XRD $xrd = new XRD(); $dom = new DOMDocument(); - $dom->loadXML($xml); + if (!$dom->loadXML($xml)) { + throw new Exception("Invalid XML"); + } $xrd_element = $dom->getElementsByTagName('XRD')->item(0); // Check for host-meta host - $host = $xrd_element->getElementsByTagName('Host')->item(0)->nodeValue; + $host = $xrd_element->getElementsByTagName('Host')->item(0); if ($host) { - $xrd->host = $host; + $xrd->host = $host->nodeValue; } // Loop through other elements foreach ($xrd_element->childNodes as $node) { + if (!($node instanceof DOMElement)) { + continue; + } switch ($node->tagName) { case 'Expires': $xrd->expires = $node->nodeValue; @@ -156,20 +161,20 @@ class XRD function saveLink($doc, $link) { $link_element = $doc->createElement('Link'); - if ($link['rel']) { + if (!empty($link['rel'])) { $link_element->setAttribute('rel', $link['rel']); } - if ($link['type']) { + if (!empty($link['type'])) { $link_element->setAttribute('type', $link['type']); } - if ($link['href']) { + if (!empty($link['href'])) { $link_element->setAttribute('href', $link['href']); } - if ($link['template']) { + if (!empty($link['template'])) { $link_element->setAttribute('template', $link['template']); } - if (is_array($link['title'])) { + if (!empty($link['title']) && is_array($link['title'])) { foreach($link['title'] as $title) { $title = $doc->createElement('Title', $title); $link_element->appendChild($title); |