} else if ($entry->namespaceURI == Activity::RSS &&
$entry->localName == 'item') {
$this->_fromRssItem($entry, $feed);
+ } else if ($entry->namespaceURI == Activity::SPEC &&
+ $entry->localName == 'object') {
+ $this->_fromAtomEntry($entry, $feed);
} else {
// Low level exception. No need for i18n.
throw new Exception("Unknown DOM element: {$entry->namespaceURI} {$entry->localName}");
if ($objectEls->length > 0) {
for ($i = 0; $i < $objectEls->length; $i++) {
$objectEl = $objectEls->item($i);
- $this->objects[] = new ActivityObject($objectEl);
+ // Special case for embedded activities
+ $objectType = ActivityUtils::childContent($objectEl, self::OBJECTTYPE, self::SPEC);
+ if (!empty($objectType) && $objectType == ActivityObject::ACTIVITY) {
+ $this->objects[] = new Activity($objectEl);
+ } else {
+ $this->objects[] = new ActivityObject($objectEl);
+ }
}
} else {
+ // XXX: really?
$this->objects[] = new ActivityObject($entry);
}
$actorEl = $this->_child($entry, self::ACTOR);
if (!empty($actorEl)) {
+ // Standalone <activity:actor> elements are a holdover from older
+ // versions of ActivityStreams. Newer feeds should have this data
+ // integrated straight into <atom:author>.
$this->actor = new ActivityObject($actorEl);
$this->actor->id = $authorObj->id;
}
}
+ } else if ($authorEl = $this->_child($entry, self::AUTHOR, self::ATOM)) {
+
+ // An <atom:author> in the entry overrides any author info on
+ // the surrounding feed.
+ $this->actor = new ActivityObject($authorEl);
+
} else if (!empty($feed) &&
$subjectEl = $this->_child($feed, self::SUBJECT)) {
+ // Feed subject is used for things like groups.
+ // Should actually possibly not be interpreted as an actor...?
$this->actor = new ActivityObject($subjectEl);
- } else if ($authorEl = $this->_child($entry, self::AUTHOR, self::ATOM)) {
-
- $this->actor = new ActivityObject($authorEl);
-
} else if (!empty($feed) && $authorEl = $this->_child($feed, self::AUTHOR,
self::ATOM)) {
+ // If there's no <atom:author> on the entry, it's safe to assume
+ // the containing feed's authorship info applies.
$this->actor = new ActivityObject($authorEl);
}
*
* @return DOMElement Atom entry
*/
+
function toAtomEntry()
{
return null;
}
+ /**
+ * Returns an array based on this activity suitable
+ * for encoding as a JSON object
+ *
+ * @return array $activity
+ */
+
+ function asArray()
+ {
+ $activity = array();
+
+ // actor
+ $activity['actor'] = $this->actor->asArray();
+
+ // body
+ $activity['body'] = $this->content;
+
+ // generator <-- We could use this when we know a notice is created
+ // locally. Or if we know the upstream Generator.
+
+ // icon <-- I've decided to use the posting user's stream avatar here
+ // for now (also included in the avatarLinks extension)
+
+
+ // object
+ if ($this->verb == ActivityVerb::POST && count($this->objects) == 1) {
+ $activity['object'] = $this->objects[0]->asArray();
+
+ // Context stuff. For now I'm just sticking most of it
+ // in a property called "context"
+
+ if (!empty($this->context)) {
+
+ if (!empty($this->context->location)) {
+ $loc = $this->context->location;
+
+ // GeoJSON
+
+ $activity['geopoint'] = array(
+ 'type' => 'Point',
+ 'coordinates' => array($loc->lat, $loc->lon)
+ );
+
+ }
+
+ $activity['to'] = $this->context->getToArray();
+ $activity['context'] = $this->context->asArray();
+ }
+
+ // Instead of adding enclosures as an extension to JSON
+ // Activities, it seems like we should be using the
+ // attachedObjects property of ActivityObject
+
+ $attachedObjects = array();
+
+ // XXX: OK, this is kinda cheating. We should probably figure out
+ // what kind of objects these are based on mime-type and then
+ // create specific object types. Right now this rely on
+ // duck-typing. Also, we should include an embed code for
+ // video attachments.
+
+ foreach ($this->enclosures as $enclosure) {
+
+ if (is_string($enclosure)) {
+
+ $attachedObjects[]['id'] = $enclosure;
+
+ } else {
+
+ $attachedObjects[]['id'] = $enclosure->url;
+
+ $mediaLink = new ActivityStreamsMediaLink(
+ $enclosure->url,
+ null,
+ null,
+ $enclosure->mimetype
+ // XXX: Add 'size' as an extension to MediaLink?
+ );
+
+ $attachedObjects[]['mediaLink'] = $mediaLink->asArray(); // extension
+
+ if ($enclosure->title) {
+ $attachedObjects[]['displayName'] = $enclosure->title;
+ }
+ }
+ }
+
+ if (!empty($attachedObjects)) {
+ $activity['object']['attachedObjects'] = $attachedObjects;
+ }
+
+ } else {
+ $activity['object'] = array();
+ foreach($this->objects as $object) {
+ $oa = $object->asArray();
+ if ($object instanceof Activity) {
+ // throw in a type
+ // XXX: hackety-hack
+ $oa['objectType'] = 'activity';
+ }
+ $activity['object'][] = $oa;
+ }
+ }
+
+ $activity['postedTime'] = self::iso8601Date($this->time); // Change to exactly be RFC3339?
+
+ // provider
+ $provider = array(
+ 'objectType' => 'service',
+ 'displayName' => common_config('site', 'name'),
+ 'url' => common_root_url()
+ );
+
+ $activity['provider'] = $provider;
+
+ // target
+ if (!empty($this->target)) {
+ $activity['target'] = $this->target->asArray();
+ }
+
+ // title
+ $activity['title'] = $this->title;
+
+ // updatedTime <-- Should we use this to indicate the time we received
+ // a remote notice? Probably not.
+
+ // verb
+ //
+ // We can probably use the whole schema URL here but probably the
+ // relative simple name is easier to parse
+ $activity['verb'] = substr($this->verb, strrpos($this->verb, '/') + 1);
+
+ /* Purely extensions hereafter */
+
+ $tags = array();
+
+ // Use an Activity Object for term? Which object? Note?
+ foreach ($this->categories as $cat) {
+ $tags[] = $cat->term;
+ }
+
+ $activity['tags'] = $tags;
+
+ // XXX: a bit of a hack... Since JSON isn't namespaced we probably
+ // shouldn't be using 'statusnet:notice_info', but this will work
+ // for the moment.
+
+ foreach ($this->extra as $e) {
+ list($objectName, $props, $txt) = $e;
+ if (!empty($objectName)) {
+ $activity[$objectName] = $props;
+ }
+ }
+
+ return array_filter($activity);
+ }
+
function asString($namespace=false, $author=true, $source=false)
{
$xs = new XMLStringer(true);
+ $this->outputTo($xs, $namespace, $author, $source);
+ return $xs->getString();
+ }
+ function outputTo($xs, $namespace=false, $author=true, $source=false, $tag='entry')
+ {
if ($namespace) {
$attrs = array('xmlns' => 'http://www.w3.org/2005/Atom',
'xmlns:thr' => 'http://purl.org/syndication/thread/1.0',
$attrs = array();
}
- $xs->elementStart('entry', $attrs);
-
- if ($this->verb == ActivityVerb::POST && count($this->objects) == 1) {
-
- $obj = $this->objects[0];
+ $xs->elementStart($tag, $attrs);
- $xs->element('id', null, $obj->id);
- $xs->element('activity:object-type', null, $obj->type);
-
- if (!empty($obj->title)) {
- $xs->element('title', null, $obj->title);
- } else {
- // XXX need a better default title
- $xs->element('title', null, _('Post'));
- }
+ if ($tag != 'entry') {
+ $xs->element('activity:object-type', null, ActivityObject::ACTIVITY);
+ }
- if (!empty($obj->content)) {
- $xs->element('content', array('type' => 'html'), $obj->content);
- }
-
- if (!empty($obj->summary)) {
- $xs->element('summary', null, $obj->summary);
- }
-
- if (!empty($obj->link)) {
- $xs->element('link', array('rel' => 'alternate',
- 'type' => 'text/html'),
- $obj->link);
- }
+ if ($this->verb == ActivityVerb::POST && count($this->objects) == 1 && $tag == 'entry') {
- // XXX: some object types might have other values here.
+ $obj = $this->objects[0];
+ $obj->outputTo($xs, null);
} else {
$xs->element('id', null, $this->id);
$xs->element('title', null, $this->title);
$xs->element('content', array('type' => 'html'), $this->content);
-
+
if (!empty($this->summary)) {
$xs->element('summary', null, $this->summary);
}
-
+
if (!empty($this->link)) {
$xs->element('link', array('rel' => 'alternate',
'type' => 'text/html'),
$xs->element('activity:verb', null, $this->verb);
$published = self::iso8601Date($this->time);
-
+
$xs->element('published', null, $published);
$xs->element('updated', null, $published);
-
+
if ($author) {
- $xs->elementStart('author');
- $xs->element('uri', array(), $this->actor->id);
- if ($this->actor->title) {
- $xs->element('name', array(), $this->actor->title);
- }
- $xs->elementEnd('author');
- $xs->raw($this->actor->asString('activity:actor'));
+ $this->actor->outputTo($xs, 'author');
+
+ // XXX: Remove <activity:actor> ASAP! Author information
+ // has been moved to the author element in the Activity
+ // Streams spec. We're outputting actor only for backward
+ // compatibility with clients that can only parse
+ // activities based on older versions of the spec.
+
+ $depMsg = 'Deprecation warning: activity:actor is present '
+ . 'only for backward compatibility. It will be '
+ . 'removed in the next version of StatusNet.';
+ $xs->comment($depMsg);
+ $this->actor->outputTo($xs, 'activity:actor');
}
- if ($this->verb != ActivityVerb::POST || count($this->objects) != 1) {
+ if ($this->verb != ActivityVerb::POST || count($this->objects) != 1 || $tag != 'entry') {
foreach($this->objects as $object) {
- $xs->raw($object->asString());
+ if ($object instanceof Activity) {
+ $object->outputTo($xs, false, true, true, 'activity:object');
+ } else {
+ $object->outputTo($xs, 'activity:object');
+ }
}
}
}
if ($this->target) {
- $xs->raw($this->target->asString('activity:target'));
+ $this->target->outputTo($xs, 'activity:target');
}
foreach ($this->categories as $cat) {
- $xs->raw($cat->asString());
+ $cat->outputTo($xs);
}
// can be either URLs or enclosure objects
-
+
foreach ($this->enclosures as $enclosure) {
if (is_string($enclosure)) {
$xs->element('link', array('rel' => 'enclosure',
if ($source && !empty($this->source)) {
$xs->elementStart('source');
-
+
$xs->element('id', null, $this->source->id);
$xs->element('title', null, $this->source->title);
'type' => 'text/html',
'href' => $this->source->links['alternate']));
}
-
+
if (array_key_exists('self', $this->source->links)) {
$xs->element('link', array('rel' => 'self',
'type' => 'application/atom+xml',
if (!empty($this->source->updated)) {
$xs->element('updated', null, $this->source->updated);
}
-
+
$xs->elementEnd('source');
}
}
// For throwing in extra elements; used for statusnet:notice_info
-
+
foreach ($this->extra as $el) {
list($tag, $attrs, $content) = $el;
$xs->element($tag, $attrs, $content);
}
- $xs->elementEnd('entry');
+ $xs->elementEnd($tag);
- $str = $xs->getString();
-
- return $str;
+ return;
}
private function _child($element, $tag, $namespace=self::SPEC)
return ActivityUtils::child($element, $tag, $namespace);
}
+ /**
+ * For consistency, we'll always output UTC rather than local time.
+ * Note that clients *should* accept any timezone we give them as long
+ * as it's properly formatted.
+ *
+ * @param int $tm Unix timestamp
+ * @return string
+ */
static function iso8601Date($tm)
{
$dateStr = date('d F Y H:i:s', $tm);
$d = new DateTime($dateStr, new DateTimeZone('UTC'));
- $d->setTimezone(new DateTimeZone(common_timezone()));
return $d->format('c');
}
}
projects / quix0rs-gnu-social.git / blobdiff