377 lines
11 KiB
PHP
377 lines
11 KiB
PHP
<?php
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/*
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* StatusNet - the distributed open-source microblogging tool
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* Copyright (C) 2010 StatusNet, Inc.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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define('INSTALLDIR', realpath(dirname(__FILE__) . '/..'));
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$shortoptions = 'i:n:f:';
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$longoptions = array('id=', 'nickname=', 'file=');
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$helptext = <<<END_OF_RESTOREUSER_HELP
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restoreuser.php [options]
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Restore a backed-up user file to the database. If
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neither ID or name provided, will create a new user.
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-i --id ID of user to export
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-n --nickname nickname of the user to export
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-f --file file to read from (STDIN by default)
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END_OF_RESTOREUSER_HELP;
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require_once INSTALLDIR.'/scripts/commandline.inc';
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require_once INSTALLDIR.'/extlib/htmLawed/htmLawed.php';
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function getActivityStreamDocument()
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{
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$filename = get_option_value('f', 'file');
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if (empty($filename)) {
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show_help();
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exit(1);
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}
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if (!file_exists($filename)) {
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throw new Exception("No such file '$filename'.");
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}
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if (!is_file($filename)) {
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throw new Exception("Not a regular file: '$filename'.");
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}
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if (!is_readable($filename)) {
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throw new Exception("File '$filename' not readable.");
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}
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printfv(_("Getting backup from file '$filename'.\n"));
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$xml = file_get_contents($filename);
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$dom = DOMDocument::loadXML($xml);
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if ($dom->documentElement->namespaceURI != Activity::ATOM ||
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$dom->documentElement->localName != 'feed') {
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throw new Exception("'$filename' is not an Atom feed.");
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}
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return $dom;
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}
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function importActivityStream($user, $doc)
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{
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$feed = $doc->documentElement;
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$subjectEl = ActivityUtils::child($feed, Activity::SUBJECT, Activity::SPEC);
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if (!empty($subjectEl)) {
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$subject = new ActivityObject($subjectEl);
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printfv(_("Backup file for user %s (%s)\n"), $subject->id, Ostatus_profile::getActivityObjectNickname($subject));
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} else {
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throw new Exception("Feed doesn't have an <activity:subject> element.");
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}
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if (is_null($user)) {
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printfv(_("No user specified; using backup user.\n"));
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$user = userFromSubject($subject);
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}
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$entries = $feed->getElementsByTagNameNS(Activity::ATOM, 'entry');
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printfv(_("%d entries in backup.\n"), $entries->length);
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for ($i = $entries->length - 1; $i >= 0; $i--) {
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try {
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$entry = $entries->item($i);
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$activity = new Activity($entry, $feed);
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switch ($activity->verb) {
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case ActivityVerb::FOLLOW:
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subscribeProfile($user, $subject, $activity);
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break;
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case ActivityVerb::JOIN:
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joinGroup($user, $activity);
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break;
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case ActivityVerb::POST:
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postNote($user, $activity);
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break;
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default:
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throw new Exception("Unknown verb: {$activity->verb}");
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}
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} catch (Exception $e) {
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print $e->getMessage()."\n";
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continue;
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}
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}
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}
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function subscribeProfile($user, $subject, $activity)
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{
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$profile = $user->getProfile();
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if ($activity->objects[0]->id == $subject->id) {
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$other = $activity->actor;
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$otherUser = User::staticGet('uri', $other->id);
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if (!empty($otherUser)) {
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$otherProfile = $otherUser->getProfile();
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} else {
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throw new Exception("Can't force remote user to subscribe.");
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}
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// XXX: don't do this for untrusted input!
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Subscription::start($otherProfile, $profile);
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} else if (empty($activity->actor) || $activity->actor->id == $subject->id) {
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$other = $activity->objects[0];
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$otherUser = User::staticGet('uri', $other->id);
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if (!empty($otherUser)) {
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$otherProfile = $otherUser->getProfile();
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} else {
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$oprofile = Ostatus_profile::ensureActivityObjectProfile($other);
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$otherProfile = $oprofile->localProfile();
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}
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Subscription::start($profile, $otherProfile);
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} else {
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throw new Exception("This activity seems unrelated to our user.");
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}
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}
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function joinGroup($user, $activity)
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{
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// XXX: check that actor == subject
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$uri = $activity->objects[0]->id;
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$group = User_group::staticGet('uri', $uri);
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if (empty($group)) {
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$oprofile = Ostatus_profile::ensureActivityObjectProfile($activity->objects[0]);
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if (!$oprofile->isGroup()) {
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throw new Exception("Remote profile is not a group!");
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}
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$group = $oprofile->localGroup();
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}
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assert(!empty($group));
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if (Event::handle('StartJoinGroup', array($group, $user))) {
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Group_member::join($group->id, $user->id);
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Event::handle('EndJoinGroup', array($group, $user));
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}
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}
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// XXX: largely cadged from Ostatus_profile::processNote()
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function postNote($user, $activity)
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{
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$note = $activity->objects[0];
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$sourceUri = $note->id;
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$notice = Notice::staticGet('uri', $sourceUri);
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if (!empty($notice)) {
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// This is weird.
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$orig = clone($notice);
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$notice->profile_id = $user->id;
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$notice->update($orig);
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return;
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}
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// Use summary as fallback for content
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if (!empty($note->content)) {
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$sourceContent = $note->content;
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} else if (!empty($note->summary)) {
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$sourceContent = $note->summary;
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} else if (!empty($note->title)) {
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$sourceContent = $note->title;
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} else {
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// @fixme fetch from $sourceUrl?
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// @todo i18n FIXME: use sprintf and add i18n.
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throw new ClientException("No content for notice {$sourceUri}.");
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}
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// Get (safe!) HTML and text versions of the content
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$rendered = purify($sourceContent);
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$content = html_entity_decode(strip_tags($rendered));
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$shortened = common_shorten_links($content);
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$options = array('is_local' => Notice::LOCAL_PUBLIC,
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'uri' => $sourceUri,
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'rendered' => $rendered,
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'replies' => array(),
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'groups' => array(),
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'tags' => array(),
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'urls' => array());
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// Check for optional attributes...
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if (!empty($activity->time)) {
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$options['created'] = common_sql_date($activity->time);
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}
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if ($activity->context) {
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// Any individual or group attn: targets?
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list($options['groups'], $options['replies']) = filterAttention($activity->context->attention);
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// Maintain direct reply associations
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// @fixme what about conversation ID?
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if (!empty($activity->context->replyToID)) {
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$orig = Notice::staticGet('uri',
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$activity->context->replyToID);
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if (!empty($orig)) {
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$options['reply_to'] = $orig->id;
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}
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}
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$location = $activity->context->location;
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if ($location) {
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$options['lat'] = $location->lat;
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$options['lon'] = $location->lon;
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if ($location->location_id) {
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$options['location_ns'] = $location->location_ns;
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$options['location_id'] = $location->location_id;
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}
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}
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}
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// Atom categories <-> hashtags
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foreach ($activity->categories as $cat) {
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if ($cat->term) {
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$term = common_canonical_tag($cat->term);
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if ($term) {
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$options['tags'][] = $term;
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}
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}
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}
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// Atom enclosures -> attachment URLs
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foreach ($activity->enclosures as $href) {
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// @fixme save these locally or....?
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$options['urls'][] = $href;
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}
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$saved = Notice::saveNew($user->id,
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$content,
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'restore', // TODO: restore the actual source
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$options);
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return $saved;
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}
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function filterAttention($attn)
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{
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$groups = array();
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$replies = array();
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foreach (array_unique($attn) as $recipient) {
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// Is the recipient a local user?
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$user = User::staticGet('uri', $recipient);
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if ($user) {
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// @fixme sender verification, spam etc?
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$replies[] = $recipient;
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continue;
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}
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// Is the recipient a remote group?
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$oprofile = Ostatus_profile::ensureProfileURI($recipient);
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if ($oprofile) {
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if (!$oprofile->isGroup()) {
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// may be canonicalized or something
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$replies[] = $oprofile->uri;
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}
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continue;
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}
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// Is the recipient a local group?
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// @fixme uri on user_group isn't reliable yet
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// $group = User_group::staticGet('uri', $recipient);
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$id = OStatusPlugin::localGroupFromUrl($recipient);
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if ($id) {
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$group = User_group::staticGet('id', $id);
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if ($group) {
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// Deliver to all members of this local group if allowed.
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$profile = $sender->localProfile();
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if ($profile->isMember($group)) {
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$groups[] = $group->id;
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} else {
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common_log(LOG_INFO, "Skipping reply to local group {$group->nickname} as sender {$profile->id} is not a member");
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}
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continue;
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} else {
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common_log(LOG_INFO, "Skipping reply to bogus group $recipient");
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}
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}
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}
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return array($groups, $replies);
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}
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function userFromSubject($subject)
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{
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$user = User::staticGet('uri', $subject->id);
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if (empty($user)) {
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$attrs =
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array('nickname' => Ostatus_profile::getActivityObjectNickname($subject),
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'uri' => $subject->id);
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$user = User::register($attrs);
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}
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$profile = $user->getProfile();
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Ostatus_profile::updateProfile($profile, $subject);
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// FIXME: Update avatar
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return $user;
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}
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function purify($content)
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{
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$config = array('safe' => 1,
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'deny_attribute' => 'id,style,on*');
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return htmLawed($content, $config);
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}
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try {
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try {
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$user = getUser();
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} catch (NoUserArgumentException $noae) {
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$user = null;
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}
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$doc = getActivityStreamDocument();
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importActivityStream($user, $doc);
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} catch (Exception $e) {
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print $e->getMessage()."\n";
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exit(1);
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}
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