* StatusNet - the distributed open-source microblogging tool
* Copyright (C) 2010, StatusNet, Inc.
*
- * A class for restoring accounts
- *
+ * Importer for feeds of activities
+ *
* PHP version 5
*
* This program is free software: you can redistribute it and/or modify
}
/**
- * A class for restoring accounts
+ * Importer for feeds of activities
+ *
+ * Takes an XML file representing a feed of activities and imports each
+ * activity to the user in question.
*
- * This is a clumsy objectification of the functions in restoreuser.php.
- *
- * Note that it quite illegally uses the OStatus_profile class which may
- * not even exist on this server.
- *
* @category Account
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
* @link http://status.net/
*/
-
-class AccountRestorer
+class FeedImporter extends QueueHandler
{
- private $_trusted = false;
-
- function loadXML($xml)
+ /**
+ * Transport identifier
+ *
+ * @return string identifier for this queue handler
+ */
+ public function transport()
{
- $dom = DOMDocument::loadXML($xml);
-
- if ($dom->documentElement->namespaceURI != Activity::ATOM ||
- $dom->documentElement->localName != 'feed') {
- throw new Exception("'$filename' is not an Atom feed.");
- }
-
- return $dom;
+ return 'feedimp';
}
- function importActivityStream($user, $doc)
+ function handle($data)
{
- $feed = $doc->documentElement;
+ list($user, $xml, $trusted) = $data;
- $subjectEl = ActivityUtils::child($feed, Activity::SUBJECT, Activity::SPEC);
+ try {
+ $doc = DOMDocument::loadXML($xml);
- if (!empty($subjectEl)) {
- $subject = new ActivityObject($subjectEl);
- } else {
- throw new Exception("Feed doesn't have an <activity:subject> element.");
- }
-
- if (is_null($user)) {
- $user = $this->userFromSubject($subject);
- }
+ $feed = $doc->documentElement;
- $entries = $feed->getElementsByTagNameNS(Activity::ATOM, 'entry');
+ if ($feed->namespaceURI != Activity::ATOM ||
+ $feed->localName != 'feed') {
+ // TRANS: Client exception thrown when an imported feed is not an Atom feed.
+ throw new ClientException(_("Not an Atom feed."));
+ }
- $activities = $this->entriesToActivities($entries, $feed);
- // XXX: sort entries here
+ $author = ActivityUtils::getFeedAuthor($feed);
- foreach ($activities as $activity) {
- try {
- switch ($activity->verb) {
- case ActivityVerb::FOLLOW:
- $this->subscribeProfile($user, $subject, $activity);
- break;
- case ActivityVerb::JOIN:
- $this->joinGroup($user, $activity);
- break;
- case ActivityVerb::POST:
- $this->postNote($user, $activity);
- break;
- default:
- throw new Exception("Unknown verb: {$activity->verb}");
- }
- } catch (Exception $e) {
- common_log(LOG_WARNING, $e->getMessage());
- continue;
+ if (empty($author)) {
+ // TRANS: Client exception thrown when an imported feed does not have an author.
+ throw new ClientException(_("No author in the feed."));
}
- }
- }
- function subscribeProfile($user, $subject, $activity)
- {
- $profile = $user->getProfile();
-
- if ($activity->objects[0]->id == $subject->id) {
- if (!$this->_trusted) {
- throw new Exception("Skipping a pushed subscription.");
- } else {
- $other = $activity->actor;
- $otherUser = User::staticGet('uri', $other->id);
-
- if (!empty($otherUser)) {
- $otherProfile = $otherUser->getProfile();
+ if (empty($user)) {
+ if ($trusted) {
+ $user = $this->userFromAuthor($author);
} else {
- throw new Exception("Can't force remote user to subscribe.");
+ // TRANS: Client exception thrown when an imported feed does not have an author that
+ // TRANS: can be associated with a user.
+ throw new ClientException(_("Cannot import without a user."));
}
- // XXX: don't do this for untrusted input!
- Subscription::start($otherProfile, $profile);
}
- } else if (empty($activity->actor)
- || $activity->actor->id == $subject->id) {
- $other = $activity->objects[0];
- $otherUser = User::staticGet('uri', $other->id);
+ $activities = $this->getActivities($feed);
- if (!empty($otherUser)) {
- $otherProfile = $otherUser->getProfile();
- } else {
- $oprofile = Ostatus_profile::ensureActivityObjectProfile($other);
- $otherProfile = $oprofile->localProfile();
- }
+ $qm = QueueManager::get();
- Subscription::start($profile, $otherProfile);
- } else {
- throw new Exception("This activity seems unrelated to our user.");
+ foreach ($activities as $activity) {
+ $qm->enqueue(array($user, $author, $activity, $trusted), 'actimp');
+ }
+ } catch (ClientException $ce) {
+ common_log(LOG_WARNING, $ce->getMessage());
+ return true;
+ } catch (ServerException $se) {
+ common_log(LOG_ERR, $ce->getMessage());
+ return false;
+ } catch (Exception $e) {
+ common_log(LOG_ERR, $ce->getMessage());
+ return false;
}
}
- function joinGroup($user, $activity)
+ function getActivities($feed)
{
- // XXX: check that actor == subject
-
- $uri = $activity->objects[0]->id;
+ $entries = $feed->getElementsByTagNameNS(Activity::ATOM, 'entry');
- $group = User_group::staticGet('uri', $uri);
+ $activities = array();
- if (empty($group)) {
- $oprofile = Ostatus_profile::ensureActivityObjectProfile($activity->objects[0]);
- if (!$oprofile->isGroup()) {
- throw new Exception("Remote profile is not a group!");
- }
- $group = $oprofile->localGroup();
+ for ($i = 0; $i < $entries->length; $i++) {
+ $activities[] = new Activity($entries->item($i));
}
- assert(!empty($group));
+ usort($activities, array("FeedImporter", "activitySort"));
- if (Event::handle('StartJoinGroup', array($group, $user))) {
- Group_member::join($group->id, $user->id);
- Event::handle('EndJoinGroup', array($group, $user));
- }
+ return $activities;
}
- // XXX: largely cadged from Ostatus_profile::processNote()
-
- function postNote($user, $activity)
+ /**
+ * Sort activities oldest-first
+ */
+ static function activitySort($a, $b)
{
- $note = $activity->objects[0];
-
- $sourceUri = $note->id;
-
- $notice = Notice::staticGet('uri', $sourceUri);
-
- if (!empty($notice)) {
- // This is weird.
- $orig = clone($notice);
- $notice->profile_id = $user->id;
- $notice->update($orig);
- return;
- }
-
- // Use summary as fallback for content
-
- if (!empty($note->content)) {
- $sourceContent = $note->content;
- } else if (!empty($note->summary)) {
- $sourceContent = $note->summary;
- } else if (!empty($note->title)) {
- $sourceContent = $note->title;
+ if ($a->time == $b->time) {
+ return 0;
+ } else if ($a->time < $b->time) {
+ return -1;
} else {
- // @fixme fetch from $sourceUrl?
- // @todo i18n FIXME: use sprintf and add i18n.
- throw new ClientException("No content for notice {$sourceUri}.");
- }
-
- // Get (safe!) HTML and text versions of the content
-
- $rendered = $this->purify($sourceContent);
- $content = html_entity_decode(strip_tags($rendered), ENT_QUOTES, 'UTF-8');
-
- $shortened = $user->shortenLinks($content);
-
- $options = array('is_local' => Notice::LOCAL_PUBLIC,
- 'uri' => $sourceUri,
- 'rendered' => $rendered,
- 'replies' => array(),
- 'groups' => array(),
- 'tags' => array(),
- 'urls' => array());
-
- // Check for optional attributes...
-
- if (!empty($activity->time)) {
- $options['created'] = common_sql_date($activity->time);
+ return 1;
}
-
- if ($activity->context) {
- // Any individual or group attn: targets?
-
- list($options['groups'], $options['replies']) = $this->filterAttention($activity->context->attention);
-
- // Maintain direct reply associations
- // @fixme what about conversation ID?
- if (!empty($activity->context->replyToID)) {
- $orig = Notice::staticGet('uri',
- $activity->context->replyToID);
- if (!empty($orig)) {
- $options['reply_to'] = $orig->id;
- }
- }
-
- $location = $activity->context->location;
-
- if ($location) {
- $options['lat'] = $location->lat;
- $options['lon'] = $location->lon;
- if ($location->location_id) {
- $options['location_ns'] = $location->location_ns;
- $options['location_id'] = $location->location_id;
- }
- }
- }
-
- // Atom categories <-> hashtags
-
- foreach ($activity->categories as $cat) {
- if ($cat->term) {
- $term = common_canonical_tag($cat->term);
- if ($term) {
- $options['tags'][] = $term;
- }
- }
- }
-
- // Atom enclosures -> attachment URLs
- foreach ($activity->enclosures as $href) {
- // @fixme save these locally or....?
- $options['urls'][] = $href;
- }
-
- $saved = Notice::saveNew($user->id,
- $content,
- 'restore', // TODO: restore the actual source
- $options);
-
- return $saved;
}
- function filterAttention($attn)
- {
- $groups = array();
- $replies = array();
-
- foreach (array_unique($attn) as $recipient) {
-
- // Is the recipient a local user?
-
- $user = User::staticGet('uri', $recipient);
-
- if ($user) {
- // @fixme sender verification, spam etc?
- $replies[] = $recipient;
- continue;
- }
-
- // Is the recipient a remote group?
- $oprofile = Ostatus_profile::ensureProfileURI($recipient);
-
- if ($oprofile) {
- if (!$oprofile->isGroup()) {
- // may be canonicalized or something
- $replies[] = $oprofile->uri;
- }
- continue;
- }
-
- // Is the recipient a local group?
- // @fixme uri on user_group isn't reliable yet
- // $group = User_group::staticGet('uri', $recipient);
- $id = OStatusPlugin::localGroupFromUrl($recipient);
-
- if ($id) {
- $group = User_group::staticGet('id', $id);
- if ($group) {
- // Deliver to all members of this local group if allowed.
- $profile = $sender->localProfile();
- if ($profile->isMember($group)) {
- $groups[] = $group->id;
- } else {
- common_log(LOG_INFO, "Skipping reply to local group {$group->nickname} as sender {$profile->id} is not a member");
- }
- continue;
- } else {
- common_log(LOG_INFO, "Skipping reply to bogus group $recipient");
- }
- }
- }
-
- return array($groups, $replies);
- }
-
- function userFromSubject($subject)
+ function userFromAuthor($author)
{
- $user = User::staticGet('uri', $subject->id);
+ $user = User::getKV('uri', $author->id);
if (empty($user)) {
$attrs =
- array('nickname' => Ostatus_profile::getActivityObjectNickname($subject),
- 'uri' => $subject->id);
+ array('nickname' => Ostatus_profile::getActivityObjectNickname($author),
+ 'uri' => $author->id);
$user = User::register($attrs);
}
$profile = $user->getProfile();
- Ostatus_profile::updateProfile($profile, $subject);
+ Ostatus_profile::updateProfile($profile, $author);
- // FIXME: Update avatar
+ // @todo FIXME: Update avatar
return $user;
}
-
- function purify($content)
- {
- $config = array('safe' => 1,
- 'deny_attribute' => 'id,style,on*');
- return htmLawed($content, $config);
- }
}
projects / quix0rs-gnu-social.git / blobdiff