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-rw-r--r--plugins/OStatus/lib/activity.php121
1 files changed, 82 insertions, 39 deletions
diff --git a/plugins/OStatus/lib/activity.php b/plugins/OStatus/lib/activity.php
index 048efda2c..3d02e3584 100644
--- a/plugins/OStatus/lib/activity.php
+++ b/plugins/OStatus/lib/activity.php
@@ -63,22 +63,78 @@ class ActivityUtils
* @return string related link, if any
*/
- static function getLink($element)
+ static function getPermalink($element)
+ {
+ return self::getLink($element, 'alternate', 'text/html');
+ }
+
+ /**
+ * Get the permalink for an Activity object
+ *
+ * @param DOMElement $element A DOM element
+ *
+ * @return string related link, if any
+ */
+
+ static function getLink($element, $rel, $type=null)
{
$links = $element->getElementsByTagnameNS(self::ATOM, self::LINK);
foreach ($links as $link) {
- $rel = $link->getAttribute(self::REL);
- $type = $link->getAttribute(self::TYPE);
+ $linkRel = $link->getAttribute(self::REL);
+ $linkType = $link->getAttribute(self::TYPE);
- if ($rel == 'alternate' && $type == 'text/html') {
+ if ($linkRel == $rel &&
+ (is_null($type) || $linkType == $type)) {
return $link->getAttribute(self::HREF);
}
}
return null;
}
+
+ /**
+ * Gets the first child element with the given tag
+ *
+ * @param DOMElement $element element to pick at
+ * @param string $tag tag to look for
+ * @param string $namespace Namespace to look under
+ *
+ * @return DOMElement found element or null
+ */
+
+ static function child($element, $tag, $namespace=self::ATOM)
+ {
+ $els = $element->getElementsByTagnameNS($namespace, $tag);
+
+ if (empty($els) || $els->length == 0) {
+ return null;
+ } else {
+ return $els->item(0);
+ }
+ }
+
+ /**
+ * Grab the text content of a DOM element child of the current element
+ *
+ * @param DOMElement $element Element whose children we examine
+ * @param string $tag Tag to look up
+ * @param string $namespace Namespace to use, defaults to Atom
+ *
+ * @return string content of the child
+ */
+
+ static function childContent($element, $tag, $namespace=self::ATOM)
+ {
+ $el = self::child($element, $tag, $namespace);
+
+ if (empty($el)) {
+ return null;
+ } else {
+ return $el->textContent;
+ }
+ }
}
/**
@@ -130,6 +186,7 @@ class ActivityObject
const URI = 'uri';
const EMAIL = 'email';
+ public $element;
public $type;
public $id;
public $title;
@@ -150,7 +207,7 @@ class ActivityObject
function __construct($element)
{
- $this->source = $element;
+ $this->element = $element;
if ($element->tagName == 'author') {
@@ -179,33 +236,35 @@ class ActivityObject
$this->title = $this->_childContent($element, self::TITLE);
$this->summary = $this->_childContent($element, self::SUMMARY);
$this->content = $this->_childContent($element, self::CONTENT);
- $this->source = $this->_childContent($element, self::SOURCE);
- $this->link = ActivityUtils::getLink($element);
+ $this->source = $this->_getSource($element);
+
+ $this->link = ActivityUtils::getPermalink($element);
// XXX: grab PoCo stuff
}
}
- /**
- * Grab the text content of a DOM element child of the current element
- *
- * @param DOMElement $element Element whose children we examine
- * @param string $tag Tag to look up
- * @param string $namespace Namespace to use, defaults to Atom
- *
- * @return string content of the child
- */
+ private function _childContent($element, $tag, $namespace=ActivityUtils::ATOM)
+ {
+ return ActivityUtils::childContent($element, $tag, $namespace);
+ }
- private function _childContent($element, $tag, $namespace=Activity::ATOM)
+ // Try to get a unique id for the source feed
+
+ private function _getSource($element)
{
- $els = $element->getElementsByTagnameNS($namespace, $tag);
+ $sourceEl = ActivityUtils::child($element, 'source');
- if (empty($els) || $els->length == 0) {
+ if (empty($sourceEl)) {
return null;
} else {
- $el = $els->item(0);
- return $el->textContent;
+ $href = ActivityUtils::getLink($sourceEl, 'self');
+ if (!empty($href)) {
+ return $href;
+ } else {
+ return ActivityUtils::childContent($sourceEl, 'id');
+ }
}
}
}
@@ -306,7 +365,7 @@ class Activity
}
}
- $this->link = ActivityUtils::getLink($entry);
+ $this->link = ActivityUtils::getPermalink($entry);
$verbEl = $this->_child($entry, self::VERB);
@@ -370,24 +429,8 @@ class Activity
return null;
}
- /**
- * Gets the first child element with the given tag
- *
- * @param DOMElement $element element to pick at
- * @param string $tag tag to look for
- * @param string $namespace Namespace to look under
- *
- * @return DOMElement found element or null
- */
-
private function _child($element, $tag, $namespace=self::SPEC)
{
- $els = $element->getElementsByTagnameNS($namespace, $tag);
-
- if (empty($els) || $els->length == 0) {
- return null;
- } else {
- return $els->item(0);
- }
+ return ActivityUtils::child($element, $tag, $namespace);
}
} \ No newline at end of file