Merge branch '1.0.x' of gitorious.org:statusnet/mainline into 1.0.x

[quix0rs-gnu-social.git] / lib / activityutils.php

diff --git a/lib/activityutils.php b/lib/activityutils.php
index b975a6382b60e206ab65c4e6f4aa19cd15525779..3aa09deb4e7761f7812a0007506726d3f26baf02 100644 (file)
--- a/lib/activityutils.php
+++ b/lib/activityutils.php
@@ -82,13 +82,11 @@ class ActivityUtils
         $els = $element->childNodes;
 
         foreach ($els as $link) {
-
             if (!($link instanceof DOMElement)) {
                 continue;
             }
 
             if ($link->localName == self::LINK && $link->namespaceURI == self::ATOM) {
-
                 $linkRel = $link->getAttribute(self::REL);
                 $linkType = $link->getAttribute(self::TYPE);
 
@@ -109,7 +107,6 @@ class ActivityUtils
 
         foreach ($els as $link) {
             if ($link->localName == self::LINK && $link->namespaceURI == self::ATOM) {
-
                 $linkRel = $link->getAttribute(self::REL);
                 $linkType = $link->getAttribute(self::TYPE);
 
@@ -273,4 +270,51 @@ class ActivityUtils
 
         return false;
     }
+
+    static function getFeedAuthor($feedEl)
+    {
+        // Try old and deprecated activity:subject
+
+        $subject = ActivityUtils::child($feedEl, Activity::SUBJECT, Activity::SPEC);
+
+        if (!empty($subject)) {
+            return new ActivityObject($subject);
+        }
+
+        // Try the feed author
+
+        $author = ActivityUtils::child($feedEl, Activity::AUTHOR, Activity::ATOM);
+
+        if (!empty($author)) {
+            return new ActivityObject($author);
+        }
+
+        // Sheesh. Not a very nice feed! Let's try fingerpoken in the
+        // entries.
+
+        $entries = $feedEl->getElementsByTagNameNS(Activity::ATOM, 'entry');
+
+        if (!empty($entries) && $entries->length > 0) {
+
+            $entry = $entries->item(0);
+
+            // Try the (deprecated) activity:actor
+
+            $actor = ActivityUtils::child($entry, Activity::ACTOR, Activity::SPEC);
+
+            if (!empty($actor)) {
+                return new ActivityObject($actor);
+            }
+
+            // Try the author
+
+            $author = ActivityUtils::child($entry, Activity::AUTHOR, Activity::ATOM);
+
+            if (!empty($author)) {
+                return new ActivityObject($author);
+            }
+        }
+
+        return null;
+    }
 }