// slavishly following http://atompub.org/rfc4287.html#rfc.section.4.1.3.3
if (empty($type) || $type == 'text') {
- return $el->textContent;
+ // We have plaintext saved as the XML text content.
+ // Since we want HTML, we need to escape any special chars.
+ return htmlspecialchars($el->textContent);
} else if ($type == 'html') {
+ // We have HTML saved as the XML text content.
+ // No additional processing required once we've got it.
$text = $el->textContent;
- return htmlspecialchars_decode($text, ENT_QUOTES);
+ return $text;
} else if ($type == 'xhtml') {
+ // Per spec, the <content type="xhtml"> contains a single
+ // HTML <div> with XHTML namespace on it as a child node.
+ // We need to pull all of that <div>'s child nodes and
+ // serialize them back to an (X)HTML source fragment.
$divEl = ActivityUtils::child($el, 'div', 'http://www.w3.org/1999/xhtml');
if (empty($divEl)) {
return null;
throw new ClientException(_("Can't handle embedded Base64 content yet."));
}
}
+
+ /**
+ * Is this a valid URI for remote profile/notice identification?
+ * Does not have to be a resolvable URL.
+ * @param string $uri
+ * @return boolean
+ */
+ static function validateUri($uri)
+ {
+ if (Validate::uri($uri)) {
+ return true;
+ }
+
+ // Possibly an upstream bug; tag: URIs aren't validated properly
+ // unless you explicitly ask for them. All other schemes are accepted
+ // for basic URI validation without asking.
+ if (Validate::uri($uri, array('allowed_scheme' => array('tag')))) {
+ return true;
+ }
+
+ return false;
+ }
}