plugins/OStatus/OStatusPlugin.php

   1 <?php
   2 /*
   3  * StatusNet - the distributed open-source microblogging tool
   4  * Copyright (C) 2009-2010, StatusNet, Inc.
   5  *
   6  * This program is free software: you can redistribute it and/or modify
   7  * it under the terms of the GNU Affero General Public License as published by
   8  * the Free Software Foundation, either version 3 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU Affero General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Affero General Public License
  17  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 /**
  21  * @package OStatusPlugin
  22  * @maintainer Brion Vibber <brion@status.net>
  23  */
  24
  25 if (!defined('STATUSNET')) {
  26     exit(1);
  27 }
  28
  29 set_include_path(get_include_path() . PATH_SEPARATOR . dirname(__FILE__) . '/extlib/');
  30
  31 class FeedSubException extends Exception
  32 {
  33     function __construct($msg=null)
  34     {
  35         $type = get_class($this);
  36         if ($msg) {
  37             parent::__construct("$type: $msg");
  38         } else {
  39             parent::__construct($type);
  40         }
  41     }
  42 }
  43
  44 class OStatusPlugin extends Plugin
  45 {
  46     /**
  47      * Hook for RouterInitialized event.
  48      *
  49      * @param Net_URL_Mapper $m path-to-action mapper
  50      * @return boolean hook return
  51      */
  52     function onRouterInitialized($m)
  53     {
  54         // Discovery actions
  55         $m->connect('main/ownerxrd',
  56                     array('action' => 'ownerxrd'));
  57         $m->connect('main/ostatus',
  58                     array('action' => 'ostatusinit'));
  59         $m->connect('main/ostatustag',
  60                     array('action' => 'ostatustag'));
  61         $m->connect('main/ostatustag?nickname=:nickname',
  62                     array('action' => 'ostatustag'), array('nickname' => '[A-Za-z0-9_-]+'));
  63         $m->connect('main/ostatus?nickname=:nickname',
  64                   array('action' => 'ostatusinit'), array('nickname' => '[A-Za-z0-9_-]+'));
  65         $m->connect('main/ostatus?group=:group',
  66                   array('action' => 'ostatusinit'), array('group' => '[A-Za-z0-9_-]+'));
  67         $m->connect('main/ostatus?peopletag=:peopletag&tagger=:tagger',
  68                   array('action' => 'ostatusinit'), array('tagger' => '[A-Za-z0-9_-]+',
  69                                                           'peopletag' => '[A-Za-z0-9_-]+'));
  70
  71         // Remote subscription actions
  72         $m->connect('main/ostatussub',
  73                     array('action' => 'ostatussub'));
  74         $m->connect('main/ostatusgroup',
  75                     array('action' => 'ostatusgroup'));
  76         $m->connect('main/ostatuspeopletag',
  77                     array('action' => 'ostatuspeopletag'));
  78
  79         // PuSH actions
  80         $m->connect('main/push/hub', array('action' => 'pushhub'));
  81
  82         $m->connect('main/push/callback/:feed',
  83                     array('action' => 'pushcallback'),
  84                     array('feed' => '[0-9]+'));
  85
  86         // Salmon endpoint
  87         $m->connect('main/salmon/user/:id',
  88                     array('action' => 'usersalmon'),
  89                     array('id' => '[0-9]+'));
  90         $m->connect('main/salmon/group/:id',
  91                     array('action' => 'groupsalmon'),
  92                     array('id' => '[0-9]+'));
  93         $m->connect('main/salmon/peopletag/:id',
  94                     array('action' => 'peopletagsalmon'),
  95                     array('id' => '[0-9]+'));
  96         return true;
  97     }
  98
  99     /**
 100      * Set up queue handlers for outgoing hub pushes
 101      * @param QueueManager $qm
 102      * @return boolean hook return
 103      */
 104     function onEndInitializeQueueManager(QueueManager $qm)
 105     {
 106         // Prepare outgoing distributions after notice save.
 107         $qm->connect('ostatus', 'OStatusQueueHandler');
 108
 109         // Outgoing from our internal PuSH hub
 110         $qm->connect('hubconf', 'HubConfQueueHandler');
 111         $qm->connect('hubprep', 'HubPrepQueueHandler');
 112
 113         $qm->connect('hubout', 'HubOutQueueHandler');
 114
 115         // Outgoing Salmon replies (when we don't need a return value)
 116         $qm->connect('salmon', 'SalmonQueueHandler');
 117
 118         // Incoming from a foreign PuSH hub
 119         $qm->connect('pushin', 'PushInQueueHandler');
 120         return true;
 121     }
 122
 123     /**
 124      * Put saved notices into the queue for pubsub distribution.
 125      */
 126     function onStartEnqueueNotice($notice, &$transports)
 127     {
 128         // FIXME: we don't do privacy-controlled OStatus updates yet.
 129         // once that happens, finer grain of control here.
 130         if ($notice->isLocal() && $notice->inScope(null)) {
 131             // put our transport first, in case there's any conflict (like OMB)
 132             array_unshift($transports, 'ostatus');
 133         }
 134         return true;
 135     }
 136
 137     /**
 138      * Add a link header for LRDD Discovery
 139      */
 140     function onStartShowHTML($action)
 141     {
 142         if ($action instanceof ShowstreamAction) {
 143             $acct = 'acct:'. $action->profile->nickname .'@'. common_config('site', 'server');
 144             $url = common_local_url('userxrd');
 145             $url.= '?uri='. $acct;
 146
 147             header('Link: <'.$url.'>; rel="'. Discovery::LRDD_REL.'"; type="application/xrd+xml"');
 148         }
 149     }
 150
 151     /**
 152      * Set up a PuSH hub link to our internal link for canonical timeline
 153      * Atom feeds for users and groups.
 154      */
 155     function onStartApiAtom($feed)
 156     {
 157         $id = null;
 158
 159         if ($feed instanceof AtomUserNoticeFeed) {
 160             $salmonAction = 'usersalmon';
 161             $user = $feed->getUser();
 162             $id   = $user->id;
 163             $profile = $user->getProfile();
 164         } else if ($feed instanceof AtomGroupNoticeFeed) {
 165             $salmonAction = 'groupsalmon';
 166             $group = $feed->getGroup();
 167             $id = $group->id;
 168         } else if ($feed instanceof AtomListNoticeFeed) {
 169             $salmonAction = 'peopletagsalmon';
 170             $peopletag = $feed->getList();
 171             $id = $peopletag->id;
 172         } else {
 173             return true;
 174         }
 175
 176         if (!empty($id)) {
 177             $hub = common_config('ostatus', 'hub');
 178             if (empty($hub)) {
 179                 // Updates will be handled through our internal PuSH hub.
 180                 $hub = common_local_url('pushhub');
 181             }
 182             $feed->addLink($hub, array('rel' => 'hub'));
 183
 184             // Also, we'll add in the salmon link
 185             $salmon = common_local_url($salmonAction, array('id' => $id));
 186             $feed->addLink($salmon, array('rel' => Salmon::REL_SALMON));
 187
 188             // XXX: these are deprecated
 189             $feed->addLink($salmon, array('rel' => Salmon::NS_REPLIES));
 190             $feed->addLink($salmon, array('rel' => Salmon::NS_MENTIONS));
 191         }
 192
 193         return true;
 194     }
 195
 196     /**
 197      * Automatically load the actions and libraries used by the plugin
 198      *
 199      * @param Class $cls the class
 200      *
 201      * @return boolean hook return
 202      *
 203      */
 204     function onAutoload($cls)
 205     {
 206         $base = dirname(__FILE__);
 207         $lower = strtolower($cls);
 208         $map = array('activityverb' => 'activity',
 209                      'activityobject' => 'activity',
 210                      'activityutils' => 'activity');
 211         if (isset($map[$lower])) {
 212             $lower = $map[$lower];
 213         }
 214         $files = array("$base/classes/$cls.php",
 215                        "$base/lib/$lower.php");
 216         if (substr($lower, -6) == 'action') {
 217             $files[] = "$base/actions/" . substr($lower, 0, -6) . ".php";
 218         }
 219         foreach ($files as $file) {
 220             if (file_exists($file)) {
 221                 include_once $file;
 222                 return false;
 223             }
 224         }
 225         return true;
 226     }
 227
 228     /**
 229      * Add in an OStatus subscribe button
 230      */
 231     function onStartProfileRemoteSubscribe($output, $profile)
 232     {
 233         $this->onStartProfileListItemActionElements($output, $profile);
 234         return false;
 235     }
 236
 237     function onStartGroupSubscribe($widget, $group)
 238     {
 239         $cur = common_current_user();
 240
 241         if (empty($cur)) {
 242             $output->elementStart('li', 'entity_subscribe');
 243             $profile = $peopletag->getTagger();
 244             $url = common_local_url('ostatusinit',
 245                                     array('group' => $group->nickname));
 246             $widget->out->element('a', array('href' => $url,
 247                                         'class' => 'entity_remote_subscribe'),
 248                                 // TRANS: Link to subscribe to a remote entity.
 249                                 _m('Subscribe'));
 250
 251             $output->elementEnd('li');
 252             return false;
 253         }
 254
 255         return true;
 256     }
 257
 258     function onStartSubscribePeopletagForm($output, $peopletag)
 259     {
 260         $cur = common_current_user();
 261
 262         if (empty($cur)) {
 263             $output->elementStart('li', 'entity_subscribe');
 264             $profile = $peopletag->getTagger();
 265             $url = common_local_url('ostatusinit',
 266                                     array('tagger' => $profile->nickname, 'peopletag' => $peopletag->tag));
 267             $output->element('a', array('href' => $url,
 268                                         'class' => 'entity_remote_subscribe'),
 269                                 // TRANS: Link to subscribe to a remote entity.
 270                                 _m('Subscribe'));
 271
 272             $output->elementEnd('li');
 273             return false;
 274         }
 275
 276         return true;
 277     }
 278
 279     function onStartShowTagProfileForm($action, $profile)
 280     {
 281         $action->elementStart('form', array('method' => 'post',
 282                                            'id' => 'form_tag_user',
 283                                            'class' => 'form_settings',
 284                                            'name' => 'tagprofile',
 285                                            'action' => common_local_url('tagprofile', array('id' => @$profile->id))));
 286
 287         $action->elementStart('fieldset');
 288         // TRANS: Fieldset legend.
 289         $action->element('legend', null, _m('Tag remote profile'));
 290         $action->hidden('token', common_session_token());
 291
 292         $user = common_current_user();
 293
 294         $action->elementStart('ul', 'form_data');
 295         $action->elementStart('li');
 296
 297         // TRANS: Field label.
 298         $action->input('uri', _m('LABEL','Remote profile'), $action->trimmed('uri'),
 299                      // TRANS: Field title.
 300                      _m('OStatus user\'s address, like nickname@example.com or http://example.net/nickname.'));
 301         $action->elementEnd('li');
 302         $action->elementEnd('ul');
 303         // TRANS: Button text to fetch remote profile.
 304         $action->submit('fetch', _m('BUTTON','Fetch'));
 305         $action->elementEnd('fieldset');
 306         $action->elementEnd('form');
 307     }
 308
 309     function onStartTagProfileAction($action, $profile)
 310     {
 311         $err = null;
 312         $uri = $action->trimmed('uri');
 313
 314         if (!$profile && $uri) {
 315             try {
 316                 if (Validate::email($uri)) {
 317                     $oprofile = Ostatus_profile::ensureWebfinger($uri);
 318                 } else if (Validate::uri($uri)) {
 319                     $oprofile = Ostatus_profile::ensureProfileURL($uri);
 320                 } else {
 321                     // TRANS: Exception in OStatus when invalid URI was entered.
 322                     throw new Exception(_m('Invalid URI.'));
 323                 }
 324
 325                 // redirect to the new profile.
 326                 common_redirect(common_local_url('tagprofile', array('id' => $oprofile->profile_id)), 303);
 327                 return false;
 328
 329             } catch (Exception $e) {
 330                 // TRANS: Error message in OStatus plugin.
 331                 $err = _m("Sorry, we could not reach that address. Please make sure that the OStatus address is like nickname@example.com or http://example.net/nickname.");
 332             }
 333
 334             $action->showForm($err);
 335             return false;
 336         }
 337         return true;
 338     }
 339
 340     /*
 341      * If the field being looked for is URI look for the profile
 342      */
 343     function onStartProfileCompletionSearch($action, $profile, $search_engine) {
 344         if ($action->field == 'uri') {
 345             $user = new User();
 346             $profile->joinAdd($user);
 347             $profile->whereAdd('uri LIKE "%' . $profile->escape($q) . '%"');
 348             $profile->query();
 349
 350             if ($profile->N == 0) {
 351                 try {
 352                     if (Validate::email($q)) {
 353                         $oprofile = Ostatus_profile::ensureWebfinger($q);
 354                     } else if (Validate::uri($q)) {
 355                         $oprofile = Ostatus_profile::ensureProfileURL($q);
 356                     } else {
 357                         // TRANS: Exception in OStatus when invalid URI was entered.
 358                         throw new Exception(_m('Invalid URI.'));
 359                     }
 360                     return $this->filter(array($oprofile->localProfile()));
 361
 362                 } catch (Exception $e) {
 363                     // TRANS: Error message in OStatus plugin.
 364                     $this->msg = _m("Sorry, we could not reach that address. Please make sure that the OStatus address is like nickname@example.com or http://example.net/nickname.");
 365                     return array();
 366                 }
 367             }
 368             return false;
 369         }
 370         return true;
 371     }
 372
 373     /**
 374      * Find any explicit remote mentions. Accepted forms:
 375      *   Webfinger: @user@example.com
 376      *   Profile link: @example.com/mublog/user
 377      * @param Profile $sender (os user?)
 378      * @param string $text input markup text
 379      * @param array &$mention in/out param: set of found mentions
 380      * @return boolean hook return value
 381      */
 382     function onEndFindMentions($sender, $text, &$mentions)
 383     {
 384         $matches = array();
 385
 386         // Webfinger matches: @user@example.com
 387         if (preg_match_all('!(?:^|\s+)@((?:\w+\.)*\w+@(?:\w+\-?\w+\.)*\w+(?:\w+\-\w+)*\.\w+)!',
 388                        $text,
 389                        $wmatches,
 390                        PREG_OFFSET_CAPTURE)) {
 391             foreach ($wmatches[1] as $wmatch) {
 392                 list($target, $pos) = $wmatch;
 393                 $this->log(LOG_INFO, "Checking webfinger '$target'");
 394                 try {
 395                     $oprofile = Ostatus_profile::ensureWebfinger($target);
 396                     if ($oprofile && !$oprofile->isGroup()) {
 397                         $profile = $oprofile->localProfile();
 398                         $matches[$pos] = array('mentioned' => array($profile),
 399                                                'text' => $target,
 400                                                'position' => $pos,
 401                                                'url' => $profile->profileurl);
 402                     }
 403                 } catch (Exception $e) {
 404                     $this->log(LOG_ERR, "Webfinger check failed: " . $e->getMessage());
 405                 }
 406             }
 407         }
 408
 409         // Profile matches: @example.com/mublog/user
 410         if (preg_match_all('!(?:^|\s+)@((?:\w+\.)*\w+(?:\w+\-\w+)*\.\w+(?:/\w+)+)!',
 411                        $text,
 412                        $wmatches,
 413                        PREG_OFFSET_CAPTURE)) {
 414             foreach ($wmatches[1] as $wmatch) {
 415                 list($target, $pos) = $wmatch;
 416                 $schemes = array('http', 'https');
 417                 foreach ($schemes as $scheme) {
 418                     $url = "$scheme://$target";
 419                     $this->log(LOG_INFO, "Checking profile address '$url'");
 420                     try {
 421                         $oprofile = Ostatus_profile::ensureProfileURL($url);
 422                         if ($oprofile && !$oprofile->isGroup()) {
 423                             $profile = $oprofile->localProfile();
 424                             $matches[$pos] = array('mentioned' => array($profile),
 425                                                    'text' => $target,
 426                                                    'position' => $pos,
 427                                                    'url' => $profile->profileurl);
 428                             break;
 429                         }
 430                     } catch (Exception $e) {
 431                         $this->log(LOG_ERR, "Profile check failed: " . $e->getMessage());
 432                     }
 433                 }
 434             }
 435         }
 436
 437         foreach ($mentions as $i => $other) {
 438             // If we share a common prefix with a local user, override it!
 439             $pos = $other['position'];
 440             if (isset($matches[$pos])) {
 441                 $mentions[$i] = $matches[$pos];
 442                 unset($matches[$pos]);
 443             }
 444         }
 445         foreach ($matches as $mention) {
 446             $mentions[] = $mention;
 447         }
 448
 449         return true;
 450     }
 451
 452     /**
 453      * Allow remote profile references to be used in commands:
 454      *   sub update@status.net
 455      *   whois evan@identi.ca
 456      *   reply http://identi.ca/evan hey what's up
 457      *
 458      * @param Command $command
 459      * @param string $arg
 460      * @param Profile &$profile
 461      * @return hook return code
 462      */
 463     function onStartCommandGetProfile($command, $arg, &$profile)
 464     {
 465         $oprofile = $this->pullRemoteProfile($arg);
 466         if ($oprofile && !$oprofile->isGroup()) {
 467             $profile = $oprofile->localProfile();
 468             return false;
 469         } else {
 470             return true;
 471         }
 472     }
 473
 474     /**
 475      * Allow remote group references to be used in commands:
 476      *   join group+statusnet@identi.ca
 477      *   join http://identi.ca/group/statusnet
 478      *   drop identi.ca/group/statusnet
 479      *
 480      * @param Command $command
 481      * @param string $arg
 482      * @param User_group &$group
 483      * @return hook return code
 484      */
 485     function onStartCommandGetGroup($command, $arg, &$group)
 486     {
 487         $oprofile = $this->pullRemoteProfile($arg);
 488         if ($oprofile && $oprofile->isGroup()) {
 489             $group = $oprofile->localGroup();
 490             return false;
 491         } else {
 492             return true;
 493         }
 494     }
 495
 496     protected function pullRemoteProfile($arg)
 497     {
 498         $oprofile = null;
 499         if (preg_match('!^((?:\w+\.)*\w+@(?:\w+\.)*\w+(?:\w+\-\w+)*\.\w+)$!', $arg)) {
 500             // webfinger lookup
 501             try {
 502                 return Ostatus_profile::ensureWebfinger($arg);
 503             } catch (Exception $e) {
 504                 common_log(LOG_ERR, 'Webfinger lookup failed for ' .
 505                                     $arg . ': ' . $e->getMessage());
 506             }
 507         }
 508
 509         // Look for profile URLs, with or without scheme:
 510         $urls = array();
 511         if (preg_match('!^https?://((?:\w+\.)*\w+(?:\w+\-\w+)*\.\w+(?:/\w+)+)$!', $arg)) {
 512             $urls[] = $arg;
 513         }
 514         if (preg_match('!^((?:\w+\.)*\w+(?:\w+\-\w+)*\.\w+(?:/\w+)+)$!', $arg)) {
 515             $schemes = array('http', 'https');
 516             foreach ($schemes as $scheme) {
 517                 $urls[] = "$scheme://$arg";
 518             }
 519         }
 520
 521         foreach ($urls as $url) {
 522             try {
 523                 return Ostatus_profile::ensureProfileURL($url);
 524             } catch (Exception $e) {
 525                 common_log(LOG_ERR, 'Profile lookup failed for ' .
 526                                     $arg . ': ' . $e->getMessage());
 527             }
 528         }
 529         return null;
 530     }
 531
 532     /**
 533      * Make sure necessary tables are filled out.
 534      */
 535     function onCheckSchema() {
 536         $schema = Schema::get();
 537         $schema->ensureTable('ostatus_profile', Ostatus_profile::schemaDef());
 538         $schema->ensureTable('ostatus_source', Ostatus_source::schemaDef());
 539         $schema->ensureTable('feedsub', FeedSub::schemaDef());
 540         $schema->ensureTable('hubsub', HubSub::schemaDef());
 541         $schema->ensureTable('magicsig', Magicsig::schemaDef());
 542         return true;
 543     }
 544
 545     function onEndShowStatusNetStyles($action) {
 546         $action->cssLink($this->path('theme/base/css/ostatus.css'));
 547         return true;
 548     }
 549
 550     function onEndShowStatusNetScripts($action) {
 551         $action->script($this->path('js/ostatus.js'));
 552         return true;
 553     }
 554
 555     /**
 556      * Override the "from ostatus" bit in notice lists to link to the
 557      * original post and show the domain it came from.
 558      *
 559      * @param Notice in $notice
 560      * @param string out &$name
 561      * @param string out &$url
 562      * @param string out &$title
 563      * @return mixed hook return code
 564      */
 565     function onStartNoticeSourceLink($notice, &$name, &$url, &$title)
 566     {
 567         if ($notice->source == 'ostatus') {
 568             if ($notice->url) {
 569                 $bits = parse_url($notice->url);
 570                 $domain = $bits['host'];
 571                 if (substr($domain, 0, 4) == 'www.') {
 572                     $name = substr($domain, 4);
 573                 } else {
 574                     $name = $domain;
 575                 }
 576
 577                 $url = $notice->url;
 578                 // TRANS: Title.
 579                 // TRANS: %s is a domain name.
 580                 $title = sprintf(_m('Sent from %s via OStatus'), $domain);
 581                 return false;
 582             }
 583         }
 584     return true;
 585     }
 586
 587     /**
 588      * Send incoming PuSH feeds for OStatus endpoints in for processing.
 589      *
 590      * @param FeedSub $feedsub
 591      * @param DOMDocument $feed
 592      * @return mixed hook return code
 593      */
 594     function onStartFeedSubReceive($feedsub, $feed)
 595     {
 596         $oprofile = Ostatus_profile::staticGet('feeduri', $feedsub->uri);
 597         if ($oprofile) {
 598             $oprofile->processFeed($feed, 'push');
 599         } else {
 600             common_log(LOG_DEBUG, "No ostatus profile for incoming feed $feedsub->uri");
 601         }
 602     }
 603
 604     /**
 605      * Tell the FeedSub infrastructure whether we have any active OStatus
 606      * usage for the feed; if not it'll be able to garbage-collect the
 607      * feed subscription.
 608      *
 609      * @param FeedSub $feedsub
 610      * @param integer $count in/out
 611      * @return mixed hook return code
 612      */
 613     function onFeedSubSubscriberCount($feedsub, &$count)
 614     {
 615         $oprofile = Ostatus_profile::staticGet('feeduri', $feedsub->uri);
 616         if ($oprofile) {
 617             $count += $oprofile->subscriberCount();
 618         }
 619         return true;
 620     }
 621
 622     /**
 623      * When about to subscribe to a remote user, start a server-to-server
 624      * PuSH subscription if needed. If we can't establish that, abort.
 625      *
 626      * @fixme If something else aborts later, we could end up with a stray
 627      *        PuSH subscription. This is relatively harmless, though.
 628      *
 629      * @param Profile $subscriber
 630      * @param Profile $other
 631      *
 632      * @return hook return code
 633      *
 634      * @throws Exception
 635      */
 636     function onStartSubscribe($subscriber, $other)
 637     {
 638         $user = User::staticGet('id', $subscriber->id);
 639
 640         if (empty($user)) {
 641             return true;
 642         }
 643
 644         $oprofile = Ostatus_profile::staticGet('profile_id', $other->id);
 645
 646         if (empty($oprofile)) {
 647             return true;
 648         }
 649
 650         if (!$oprofile->subscribe()) {
 651             // TRANS: Exception thrown when setup of remote subscription fails.
 652             throw new Exception(_m('Could not set up remote subscription.'));
 653         }
 654     }
 655
 656     /**
 657      * Having established a remote subscription, send a notification to the
 658      * remote OStatus profile's endpoint.
 659      *
 660      * @param Profile $subscriber
 661      * @param Profile $other
 662      *
 663      * @return hook return code
 664      *
 665      * @throws Exception
 666      */
 667     function onEndSubscribe($subscriber, $other)
 668     {
 669         $user = User::staticGet('id', $subscriber->id);
 670
 671         if (empty($user)) {
 672             return true;
 673         }
 674
 675         $oprofile = Ostatus_profile::staticGet('profile_id', $other->id);
 676
 677         if (empty($oprofile)) {
 678             return true;
 679         }
 680
 681         $sub = Subscription::pkeyGet(array('subscriber' => $subscriber->id,
 682                                            'subscribed' => $other->id));
 683
 684         $act = $sub->asActivity();
 685
 686         $oprofile->notifyActivity($act, $subscriber);
 687
 688         return true;
 689     }
 690
 691     /**
 692      * Notify remote server and garbage collect unused feeds on unsubscribe.
 693      * @todo FIXME: Send these operations to background queues
 694      *
 695      * @param User $user
 696      * @param Profile $other
 697      * @return hook return value
 698      */
 699     function onEndUnsubscribe($profile, $other)
 700     {
 701         $user = User::staticGet('id', $profile->id);
 702
 703         if (empty($user)) {
 704             return true;
 705         }
 706
 707         $oprofile = Ostatus_profile::staticGet('profile_id', $other->id);
 708
 709         if (empty($oprofile)) {
 710             return true;
 711         }
 712
 713         // Drop the PuSH subscription if there are no other subscribers.
 714         $oprofile->garbageCollect();
 715
 716         $act = new Activity();
 717
 718         $act->verb = ActivityVerb::UNFOLLOW;
 719
 720         $act->id   = TagURI::mint('unfollow:%d:%d:%s',
 721                                   $profile->id,
 722                                   $other->id,
 723                                   common_date_iso8601(time()));
 724
 725         $act->time    = time();
 726         // TRANS: Title for unfollowing a remote profile.
 727         $act->title   = _m('TITLE','Unfollow');
 728         // TRANS: Success message for unsubscribe from user attempt through OStatus.
 729         // TRANS: %1$s is the unsubscriber's name, %2$s is the unsubscribed user's name.
 730         $act->content = sprintf(_m('%1$s stopped following %2$s.'),
 731                                $profile->getBestName(),
 732                                $other->getBestName());
 733
 734         $act->actor   = ActivityObject::fromProfile($profile);
 735         $act->object  = ActivityObject::fromProfile($other);
 736
 737         $oprofile->notifyActivity($act, $profile);
 738
 739         return true;
 740     }
 741
 742     /**
 743      * When one of our local users tries to join a remote group,
 744      * notify the remote server. If the notification is rejected,
 745      * deny the join.
 746      *
 747      * @param User_group $group
 748      * @param User $user
 749      *
 750      * @return mixed hook return value
 751      */
 752     function onStartJoinGroup($group, $user)
 753     {
 754         $oprofile = Ostatus_profile::staticGet('group_id', $group->id);
 755         if ($oprofile) {
 756             if (!$oprofile->subscribe()) {
 757                 // TRANS: Exception thrown when setup of remote group membership fails.
 758                 throw new Exception(_m('Could not set up remote group membership.'));
 759             }
 760
 761             // NOTE: we don't use Group_member::asActivity() since that record
 762             // has not yet been created.
 763
 764             $member = Profile::staticGet($user->id);
 765
 766             $act = new Activity();
 767             $act->id = TagURI::mint('join:%d:%d:%s',
 768                                     $member->id,
 769                                     $group->id,
 770                                     common_date_iso8601(time()));
 771
 772             $act->actor = ActivityObject::fromProfile($member);
 773             $act->verb = ActivityVerb::JOIN;
 774             $act->object = $oprofile->asActivityObject();
 775
 776             $act->time = time();
 777             // TRANS: Title to join a remote group.
 778             $act->title = _m('TITLE','Join');
 779             // TRANS: Success message for subscribe to group attempt through OStatus.
 780             // TRANS: %1$s is the member name, %2$s is the subscribed group's name.
 781             $act->content = sprintf(_m('%1$s has joined group %2$s.'),
 782                                     $member->getBestName(),
 783                                     $oprofile->getBestName());
 784
 785             if ($oprofile->notifyActivity($act, $member)) {
 786                 return true;
 787             } else {
 788                 $oprofile->garbageCollect();
 789                 // TRANS: Exception thrown when joining a remote group fails.
 790                 throw new Exception(_m('Failed joining remote group.'));
 791             }
 792         }
 793     }
 794
 795     /**
 796      * When one of our local users leaves a remote group, notify the remote
 797      * server.
 798      *
 799      * @fixme Might be good to schedule a resend of the leave notification
 800      * if it failed due to a transitory error. We've canceled the local
 801      * membership already anyway, but if the remote server comes back up
 802      * it'll be left with a stray membership record.
 803      *
 804      * @param User_group $group
 805      * @param Profile $user
 806      *
 807      * @return mixed hook return value
 808      */
 809     function onEndLeaveGroup($group, $user)
 810     {
 811         $oprofile = Ostatus_profile::staticGet('group_id', $group->id);
 812         if ($oprofile) {
 813             // Drop the PuSH subscription if there are no other subscribers.
 814             $oprofile->garbageCollect();
 815
 816             $member = Profile::staticGet($user->id);
 817
 818             $act = new Activity();
 819             $act->id = TagURI::mint('leave:%d:%d:%s',
 820                                     $member->id,
 821                                     $group->id,
 822                                     common_date_iso8601(time()));
 823
 824             $act->actor = ActivityObject::fromProfile($member);
 825             $act->verb = ActivityVerb::LEAVE;
 826             $act->object = $oprofile->asActivityObject();
 827
 828             $act->time = time();
 829             // TRANS: Title for leaving a remote group.
 830             $act->title = _m('TITLE','Leave');
 831             // TRANS: Success message for unsubscribe from group attempt through OStatus.
 832             // TRANS: %1$s is the member name, %2$s is the unsubscribed group's name.
 833             $act->content = sprintf(_m('%1$s has left group %2$s.'),
 834                                     $member->getBestName(),
 835                                     $oprofile->getBestName());
 836
 837             $oprofile->notifyActivity($act, $member);
 838         }
 839     }
 840
 841     /**
 842      * When one of our local users tries to subscribe to a remote peopletag,
 843      * notify the remote server. If the notification is rejected,
 844      * deny the subscription.
 845      *
 846      * @param Profile_list $peopletag
 847      * @param User         $user
 848      *
 849      * @return mixed hook return value
 850      */
 851
 852     function onStartSubscribePeopletag($peopletag, $user)
 853     {
 854         $oprofile = Ostatus_profile::staticGet('peopletag_id', $peopletag->id);
 855         if ($oprofile) {
 856             if (!$oprofile->subscribe()) {
 857                 // TRANS: Exception thrown when setup of remote people tag subscription fails.
 858                 throw new Exception(_m('Could not set up remote list subscription.'));
 859             }
 860
 861             $sub = $user->getProfile();
 862             $tagger = Profile::staticGet($peopletag->tagger);
 863
 864             $act = new Activity();
 865             $act->id = TagURI::mint('subscribe_peopletag:%d:%d:%s',
 866                                     $sub->id,
 867                                     $peopletag->id,
 868                                     common_date_iso8601(time()));
 869
 870             $act->actor = ActivityObject::fromProfile($sub);
 871             $act->verb = ActivityVerb::FOLLOW;
 872             $act->object = $oprofile->asActivityObject();
 873
 874             $act->time = time();
 875             // TRANS: Title for remote follow list.
 876             $act->title = _m('TITLE','Follow list');
 877             // TRANS: Success message for remote list follow through OStatus.
 878             // TRANS: %1$s is the subscriber name, %2$s the prople tag, %3$s is the tagger's name.
 879             $act->content = sprintf(_m("%1$s is now following people listed in %2$s by %3$s."),
 880                                     $sub->getBestName(),
 881                                     $oprofile->getBestName(),
 882                                     $tagger->getBestName());
 883
 884             if ($oprofile->notifyActivity($act, $sub)) {
 885                 return true;
 886             } else {
 887                 $oprofile->garbageCollect();
 888                 // TRANS: Exception thrown when subscription of remote people tag fails.
 889                 throw new Exception(_m('Failed subscribing to remote people tag.'));
 890             }
 891         }
 892     }
 893
 894     /**
 895      * When one of our local users unsubscribes to a remote peopletag, notify the remote
 896      * server.
 897      *
 898      * @param Profile_list $peopletag
 899      * @param User         $user
 900      *
 901      * @return mixed hook return value
 902      */
 903
 904     function onEndUnsubscribePeopletag($peopletag, $user)
 905     {
 906         $oprofile = Ostatus_profile::staticGet('peopletag_id', $peopletag->id);
 907         if ($oprofile) {
 908             // Drop the PuSH subscription if there are no other subscribers.
 909             $oprofile->garbageCollect();
 910
 911             $sub = Profile::staticGet($user->id);
 912             $tagger = Profile::staticGet($peopletag->tagger);
 913
 914             $act = new Activity();
 915             $act->id = TagURI::mint('unsubscribe_peopletag:%d:%d:%s',
 916                                     $sub->id,
 917                                     $peopletag->id,
 918                                     common_date_iso8601(time()));
 919
 920             $act->actor = ActivityObject::fromProfile($member);
 921             $act->verb = ActivityVerb::UNFOLLOW;
 922             $act->object = $oprofile->asActivityObject();
 923
 924             $act->time = time();
 925             $act->title = _m('Unfollow people tag');
 926             $act->content = sprintf(_m('%1$s stopped following the list %2$s by %3$s.'),
 927                                     $sub->getBestName(),
 928                                     $oprofile->getBestName(),
 929                                     $tagger->getBestName());
 930
 931             $oprofile->notifyActivity($act, $user);
 932         }
 933     }
 934
 935     /**
 936      * Notify remote users when their notices get favorited.
 937      *
 938      * @param Profile or User $profile of local user doing the faving
 939      * @param Notice $notice being favored
 940      * @return hook return value
 941      */
 942     function onEndFavorNotice(Profile $profile, Notice $notice)
 943     {
 944         $user = User::staticGet('id', $profile->id);
 945
 946         if (empty($user)) {
 947             return true;
 948         }
 949
 950         $oprofile = Ostatus_profile::staticGet('profile_id', $notice->profile_id);
 951
 952         if (empty($oprofile)) {
 953             return true;
 954         }
 955
 956         $fav = Fave::pkeyGet(array('user_id' => $user->id,
 957                                    'notice_id' => $notice->id));
 958
 959         if (empty($fav)) {
 960             // That's weird.
 961             return true;
 962         }
 963
 964         $act = $fav->asActivity();
 965
 966         $oprofile->notifyActivity($act, $profile);
 967
 968         return true;
 969     }
 970
 971     /**
 972      * Notify remote user it has got a new people tag
 973      *   - tag verb is queued
 974      *   - the subscription is done immediately if not present
 975      *
 976      * @param Profile_tag $ptag the people tag that was created
 977      * @return hook return value
 978      */
 979     function onEndTagProfile($ptag)
 980     {
 981         $oprofile = Ostatus_profile::staticGet('profile_id', $ptag->tagged);
 982
 983         if (empty($oprofile)) {
 984             return true;
 985         }
 986
 987         $plist = $ptag->getMeta();
 988         if ($plist->private) {
 989             return true;
 990         }
 991
 992         $act = new Activity();
 993
 994         $tagger = $plist->getTagger();
 995         $tagged = Profile::staticGet('id', $ptag->tagged);
 996
 997         $act->verb = ActivityVerb::TAG;
 998         $act->id   = TagURI::mint('tag_profile:%d:%d:%s',
 999                                   $plist->tagger, $plist->id,
1000                                   common_date_iso8601(time()));
1001         $act->time = time();
1002         $act->title = _m('TITLE','Tag');
1003         $act->content = sprintf(_m('%1$s listed %2$s in the list %3$s.'),
1004                                 $tagger->getBestName(),
1005                                 $tagged->getBestName(),
1006                                 $plist->getBestName());
1007
1008         $act->actor  = ActivityObject::fromProfile($tagger);
1009         $act->objects = array(ActivityObject::fromProfile($tagged));
1010         $act->target = ActivityObject::fromPeopletag($plist);
1011
1012         $oprofile->notifyDeferred($act, $tagger);
1013
1014         // initiate a PuSH subscription for the person being tagged
1015         if (!$oprofile->subscribe()) {
1016             throw new Exception(sprintf(_m('Could not complete subscription to remote '.
1017                                           'profile\'s feed. Tag %s could not be saved.'), $ptag->tag));
1018             return false;
1019         }
1020         return true;
1021     }
1022
1023     /**
1024      * Notify remote user that a people tag has been removed
1025      *   - untag verb is queued
1026      *   - the subscription is undone immediately if not required
1027      *     i.e garbageCollect()'d
1028      *
1029      * @param Profile_tag $ptag the people tag that was deleted
1030      * @return hook return value
1031      */
1032     function onEndUntagProfile($ptag)
1033     {
1034         $oprofile = Ostatus_profile::staticGet('profile_id', $ptag->tagged);
1035
1036         if (empty($oprofile)) {
1037             return true;
1038         }
1039
1040         $plist = $ptag->getMeta();
1041         if ($plist->private) {
1042             return true;
1043         }
1044
1045         $act = new Activity();
1046
1047         $tagger = $plist->getTagger();
1048         $tagged = Profile::staticGet('id', $ptag->tagged);
1049
1050         $act->verb = ActivityVerb::UNTAG;
1051         $act->id   = TagURI::mint('untag_profile:%d:%d:%s',
1052                                   $plist->tagger, $plist->id,
1053                                   common_date_iso8601(time()));
1054         $act->time = time();
1055         $act->title = _m('TITLE','Untag');
1056         $act->content = sprintf(_('%1$s untagged %2$s from the list %3$s.'),
1057                                 $tagger->getBestName(),
1058                                 $tagged->getBestName(),
1059                                 $plist->getBestName());
1060
1061         $act->actor  = ActivityObject::fromProfile($tagger);
1062         $act->objects = array(ActivityObject::fromProfile($tagged));
1063         $act->target = ActivityObject::fromPeopletag($plist);
1064
1065         $oprofile->notifyDeferred($act, $tagger);
1066
1067         // unsubscribe to PuSH feed if no more required
1068         $oprofile->garbageCollect();
1069
1070         return true;
1071     }
1072
1073     /**
1074      * Notify remote users when their notices get de-favorited.
1075      *
1076      * @param Profile $profile Profile person doing the de-faving
1077      * @param Notice  $notice  Notice being favored
1078      *
1079      * @return hook return value
1080      */
1081     function onEndDisfavorNotice(Profile $profile, Notice $notice)
1082     {
1083         $user = User::staticGet('id', $profile->id);
1084
1085         if (empty($user)) {
1086             return true;
1087         }
1088
1089         $oprofile = Ostatus_profile::staticGet('profile_id', $notice->profile_id);
1090
1091         if (empty($oprofile)) {
1092             return true;
1093         }
1094
1095         $act = new Activity();
1096
1097         $act->verb = ActivityVerb::UNFAVORITE;
1098         $act->id   = TagURI::mint('disfavor:%d:%d:%s',
1099                                   $profile->id,
1100                                   $notice->id,
1101                                   common_date_iso8601(time()));
1102         $act->time    = time();
1103         $act->title   = _m('Disfavor');
1104         // TRANS: Success message for remove a favorite notice through OStatus.
1105         // TRANS: %1$s is the unfavoring user's name, %2$s is URI to the no longer favored notice.
1106         $act->content = sprintf(_m('%1$s marked notice %2$s as no longer a favorite.'),
1107                                $profile->getBestName(),
1108                                $notice->uri);
1109
1110         $act->actor   = ActivityObject::fromProfile($profile);
1111         $act->object  = ActivityObject::fromNotice($notice);
1112
1113         $oprofile->notifyActivity($act, $profile);
1114
1115         return true;
1116     }
1117
1118     function onStartGetProfileUri($profile, &$uri)
1119     {
1120         $oprofile = Ostatus_profile::staticGet('profile_id', $profile->id);
1121         if (!empty($oprofile)) {
1122             $uri = $oprofile->uri;
1123             return false;
1124         }
1125         return true;
1126     }
1127
1128     function onStartUserGroupHomeUrl($group, &$url)
1129     {
1130         return $this->onStartUserGroupPermalink($group, $url);
1131     }
1132
1133     function onStartUserGroupPermalink($group, &$url)
1134     {
1135         $oprofile = Ostatus_profile::staticGet('group_id', $group->id);
1136         if ($oprofile) {
1137             // @fixme this should probably be in the user_group table
1138             // @fixme this uri not guaranteed to be a profile page
1139             $url = $oprofile->uri;
1140             return false;
1141         }
1142     }
1143
1144     function onStartShowSubscriptionsContent($action)
1145     {
1146         $this->showEntityRemoteSubscribe($action);
1147
1148         return true;
1149     }
1150
1151     function onStartShowUserGroupsContent($action)
1152     {
1153         $this->showEntityRemoteSubscribe($action, 'ostatusgroup');
1154
1155         return true;
1156     }
1157
1158     function onEndShowSubscriptionsMiniList($action)
1159     {
1160         $this->showEntityRemoteSubscribe($action);
1161
1162         return true;
1163     }
1164
1165     function onEndShowGroupsMiniList($action)
1166     {
1167         $this->showEntityRemoteSubscribe($action, 'ostatusgroup');
1168
1169         return true;
1170     }
1171
1172     function showEntityRemoteSubscribe($action, $target='ostatussub')
1173     {
1174         $user = common_current_user();
1175         if ($user && ($user->id == $action->profile->id)) {
1176             $action->elementStart('div', 'entity_actions');
1177             $action->elementStart('p', array('id' => 'entity_remote_subscribe',
1178                                              'class' => 'entity_subscribe'));
1179             $action->element('a', array('href' => common_local_url($target),
1180                                         'class' => 'entity_remote_subscribe'),
1181                                 // TRANS: Link text for link to remote subscribe.
1182                                 _m('Remote'));
1183             $action->elementEnd('p');
1184             $action->elementEnd('div');
1185         }
1186     }
1187
1188     /**
1189      * Ping remote profiles with updates to this profile.
1190      * Salmon pings are queued for background processing.
1191      */
1192     function onEndBroadcastProfile(Profile $profile)
1193     {
1194         $user = User::staticGet('id', $profile->id);
1195
1196         // Find foreign accounts I'm subscribed to that support Salmon pings.
1197         //
1198         // @fixme we could run updates through the PuSH feed too,
1199         // in which case we can skip Salmon pings to folks who
1200         // are also subscribed to me.
1201         $sql = "SELECT * FROM ostatus_profile " .
1202                "WHERE profile_id IN " .
1203                "(SELECT subscribed FROM subscription WHERE subscriber=%d) " .
1204                "OR group_id IN " .
1205                "(SELECT group_id FROM group_member WHERE profile_id=%d)";
1206         $oprofile = new Ostatus_profile();
1207         $oprofile->query(sprintf($sql, $profile->id, $profile->id));
1208
1209         if ($oprofile->N == 0) {
1210             common_log(LOG_DEBUG, "No OStatus remote subscribees for $profile->nickname");
1211             return true;
1212         }
1213
1214         $act = new Activity();
1215
1216         $act->verb = ActivityVerb::UPDATE_PROFILE;
1217         $act->id   = TagURI::mint('update-profile:%d:%s',
1218                                   $profile->id,
1219                                   common_date_iso8601(time()));
1220         $act->time    = time();
1221         // TRANS: Title for activity.
1222         $act->title   = _m("Profile update");
1223         // TRANS: Ping text for remote profile update through OStatus.
1224         // TRANS: %s is user that updated their profile.
1225         $act->content = sprintf(_m('%s has updated their profile page.'),
1226                                $profile->getBestName());
1227
1228         $act->actor   = ActivityObject::fromProfile($profile);
1229         $act->object  = $act->actor;
1230
1231         while ($oprofile->fetch()) {
1232             $oprofile->notifyDeferred($act, $profile);
1233         }
1234
1235         return true;
1236     }
1237
1238     function onStartProfileListItemActionElements($item, $profile=null)
1239     {
1240         if (!common_logged_in()) {
1241
1242             $profileUser = User::staticGet('id', $item->profile->id);
1243
1244             if (!empty($profileUser)) {
1245
1246                 if ($item instanceof Action) {
1247                     $output = $item;
1248                     $profile = $item->profile;
1249                 } else {
1250                     $output = $item->out;
1251                 }
1252
1253                 // Add an OStatus subscribe
1254                 $output->elementStart('li', 'entity_subscribe');
1255                 $url = common_local_url('ostatusinit',
1256                                         array('nickname' => $profileUser->nickname));
1257                 $output->element('a', array('href' => $url,
1258                                             'class' => 'entity_remote_subscribe'),
1259                                   // TRANS: Link text for a user to subscribe to an OStatus user.
1260                                  _m('Subscribe'));
1261                 $output->elementEnd('li');
1262
1263                 $output->elementStart('li', 'entity_tag');
1264                 $url = common_local_url('ostatustag',
1265                                         array('nickname' => $profileUser->nickname));
1266                 $output->element('a', array('href' => $url,
1267                                             'class' => 'entity_remote_tag'),
1268                                  _m('Tag'));
1269                 $output->elementEnd('li');
1270             }
1271         }
1272
1273         return true;
1274     }
1275
1276     function onPluginVersion(&$versions)
1277     {
1278         $versions[] = array('name' => 'OStatus',
1279                             'version' => STATUSNET_VERSION,
1280                             'author' => 'Evan Prodromou, James Walker, Brion Vibber, Zach Copley',
1281                             'homepage' => 'http://status.net/wiki/Plugin:OStatus',
1282                             // TRANS: Plugin description.
1283                             'rawdescription' => _m('Follow people across social networks that implement '.
1284                                '<a href="http://ostatus.org/">OStatus</a>.'));
1285
1286         return true;
1287     }
1288
1289     /**
1290      * Utility function to check if the given URI is a canonical group profile
1291      * page, and if so return the ID number.
1292      *
1293      * @param string $url
1294      * @return mixed int or false
1295      */
1296     public static function localGroupFromUrl($url)
1297     {
1298         $group = User_group::staticGet('uri', $url);
1299         if ($group) {
1300             $local = Local_group::staticGet('group_id', $group->id);
1301             if ($local) {
1302                 return $group->id;
1303             }
1304         } else {
1305             // To find local groups which haven't had their uri fields filled out...
1306             // If the domain has changed since a subscriber got the URI, it'll
1307             // be broken.
1308             $template = common_local_url('groupbyid', array('id' => '31337'));
1309             $template = preg_quote($template, '/');
1310             $template = str_replace('31337', '(\d+)', $template);
1311             if (preg_match("/$template/", $url, $matches)) {
1312                 return intval($matches[1]);
1313             }
1314         }
1315         return false;
1316     }
1317
1318     public function onStartProfileGetAtomFeed($profile, &$feed)
1319     {
1320         $oprofile = Ostatus_profile::staticGet('profile_id', $profile->id);
1321
1322         if (empty($oprofile)) {
1323             return true;
1324         }
1325
1326         $feed = $oprofile->feeduri;
1327         return false;
1328     }
1329
1330     function onStartGetProfileFromURI($uri, &$profile)
1331     {
1332         // Don't want to do Web-based discovery on our own server,
1333         // so we check locally first.
1334
1335         $user = User::staticGet('uri', $uri);
1336
1337         if (!empty($user)) {
1338             $profile = $user->getProfile();
1339             return false;
1340         }
1341
1342         // Now, check remotely
1343
1344         $oprofile = Ostatus_profile::ensureProfileURI($uri);
1345
1346         if (!empty($oprofile)) {
1347             $profile = $oprofile->localProfile();
1348             return false;
1349         }
1350
1351         // Still not a hit, so give up.
1352
1353         return true;
1354     }
1355
1356     function onEndXrdActionLinks(&$xrd, $user)
1357     {
1358         $xrd->links[] = array('rel' => Discovery::UPDATESFROM,
1359                   'href' => common_local_url('ApiTimelineUser',
1360                              array('id' => $user->id,
1361                                    'format' => 'atom')),
1362                   'type' => 'application/atom+xml');
1363
1364                 // Salmon
1365         $salmon_url = common_local_url('usersalmon',
1366                                        array('id' => $user->id));
1367
1368         $xrd->links[] = array('rel' => Salmon::REL_SALMON,
1369                               'href' => $salmon_url);
1370         // XXX : Deprecated - to be removed.
1371         $xrd->links[] = array('rel' => Salmon::NS_REPLIES,
1372                               'href' => $salmon_url);
1373
1374         $xrd->links[] = array('rel' => Salmon::NS_MENTIONS,
1375                               'href' => $salmon_url);
1376
1377         // Get this user's keypair
1378         $magickey = Magicsig::staticGet('user_id', $user->id);
1379         if (!$magickey) {
1380             // No keypair yet, let's generate one.
1381             $magickey = new Magicsig();
1382             $magickey->generate($user->id);
1383         }
1384
1385         $xrd->links[] = array('rel' => Magicsig::PUBLICKEYREL,
1386                               'href' => 'data:application/magic-public-key,'. $magickey->toString(false));
1387
1388         // TODO - finalize where the redirect should go on the publisher
1389         $url = common_local_url('ostatussub') . '?profile={uri}';
1390         $xrd->links[] = array('rel' => 'http://ostatus.org/schema/1.0/subscribe',
1391                               'template' => $url );
1392
1393         return true;
1394     }
1395 }