mod/ping.php

   1 <?php
   2 /**
   3  * @copyright Copyright (C) 2010-2021, the Friendica project
   4  *
   5  * @license GNU AGPL version 3 or any later version
   6  *
   7  * This program is free software: you can redistribute it and/or modify
   8  * it under the terms of the GNU Affero General Public License as
   9  * published by the Free Software Foundation, either version 3 of the
  10  * License, or (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU Affero General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Affero General Public License
  18  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  19  *
  20  */
  21
  22 use Friendica\App;
  23 use Friendica\Content\ForumManager;
  24 use Friendica\Content\Text\BBCode;
  25 use Friendica\Core\Cache\Duration;
  26 use Friendica\Core\Hook;
  27 use Friendica\Database\DBA;
  28 use Friendica\DI;
  29 use Friendica\Model\Contact;
  30 use Friendica\Model\Group;
  31 use Friendica\Model\Notification;
  32 use Friendica\Model\Post;
  33 use Friendica\Model\Verb;
  34 use Friendica\Protocol\Activity;
  35 use Friendica\Util\DateTimeFormat;
  36 use Friendica\Util\Proxy;
  37 use Friendica\Util\Temporal;
  38 use Friendica\Util\XML;
  39
  40 /**
  41  * Outputs the counts and the lists of various notifications
  42  *
  43  * The output format can be controlled via the GET parameter 'format'. It can be
  44  * - xml (deprecated legacy default)
  45  * - json (outputs JSONP with the 'callback' GET parameter)
  46  *
  47  * Expected JSON structure:
  48  * {
  49  *        "result": {
  50  *            "intro": 0,
  51  *            "mail": 0,
  52  *            "net": 0,
  53  *            "home": 0,
  54  *            "register": 0,
  55  *            "all-events": 0,
  56  *            "all-events-today": 0,
  57  *            "events": 0,
  58  *            "events-today": 0,
  59  *            "birthdays": 0,
  60  *            "birthdays-today": 0,
  61  *            "groups": [ ],
  62  *            "forums": [ ],
  63  *            "notification": 0,
  64  *            "notifications": [ ],
  65  *            "sysmsgs": {
  66  *                "notice": [ ],
  67  *                "info": [ ]
  68  *            }
  69  *        }
  70  *    }
  71  *
  72  * @param App $a The Friendica App instance
  73  * @throws \Friendica\Network\HTTPException\InternalServerErrorException
  74  */
  75 function ping_init(App $a)
  76 {
  77         $format = 'xml';
  78
  79         if (isset($_GET['format']) && $_GET['format'] == 'json') {
  80                 $format = 'json';
  81         }
  82
  83         $regs          = [];
  84         $notifications = [];
  85
  86         $intro_count    = 0;
  87         $mail_count     = 0;
  88         $home_count     = 0;
  89         $network_count  = 0;
  90         $register_count = 0;
  91         $sysnotify_count = 0;
  92         $groups_unseen  = [];
  93         $forums_unseen  = [];
  94
  95         $all_events       = 0;
  96         $all_events_today = 0;
  97         $events           = 0;
  98         $events_today     = 0;
  99         $birthdays        = 0;
 100         $birthdays_today  = 0;
 101
 102         $data = [];
 103         $data['intro']    = $intro_count;
 104         $data['mail']     = $mail_count;
 105         $data['net']      = $network_count;
 106         $data['home']     = $home_count;
 107         $data['register'] = $register_count;
 108
 109         $data['all-events']       = $all_events;
 110         $data['all-events-today'] = $all_events_today;
 111         $data['events']           = $events;
 112         $data['events-today']     = $events_today;
 113         $data['birthdays']        = $birthdays;
 114         $data['birthdays-today']  = $birthdays_today;
 115
 116         if (local_user()) {
 117                 // Different login session than the page that is calling us.
 118                 if (!empty($_GET['uid']) && intval($_GET['uid']) != local_user()) {
 119                         $data = ['result' => ['invalid' => 1]];
 120
 121                         if ($format == 'json') {
 122                                 if (isset($_GET['callback'])) {
 123                                         // JSONP support
 124                                         header("Content-type: application/javascript");
 125                                         echo $_GET['callback'] . '(' . json_encode($data) . ')';
 126                                 } else {
 127                                         header("Content-type: application/json");
 128                                         echo json_encode($data);
 129                                 }
 130                         } else {
 131                                 header("Content-type: text/xml");
 132                                 echo XML::fromArray($data, $xml);
 133                         }
 134                         exit();
 135                 }
 136
 137                 $notifications = ping_get_notifications(local_user());
 138
 139                 $condition = ["`unseen` AND `uid` = ? AND NOT `origin` AND (`vid` != ? OR `vid` IS NULL)",
 140                         local_user(), Verb::getID(Activity::FOLLOW)];
 141                 $items = Post::selectForUser(local_user(), ['wall', 'uid', 'uri-id'], $condition);
 142                 if (DBA::isResult($items)) {
 143                         $items_unseen = Post::toArray($items, false);
 144                         $arr = ['items' => $items_unseen];
 145                         Hook::callAll('network_ping', $arr);
 146
 147                         foreach ($items_unseen as $item) {
 148                                 if ($item['wall']) {
 149                                         $home_count++;
 150                                 } else {
 151                                         $network_count++;
 152                                 }
 153                         }
 154                 }
 155                 DBA::close($items);
 156
 157                 if ($network_count) {
 158                         // Find out how unseen network posts are spread across groups
 159                         $group_counts = Group::countUnseen();
 160                         if (DBA::isResult($group_counts)) {
 161                                 foreach ($group_counts as $group_count) {
 162                                         if ($group_count['count'] > 0) {
 163                                                 $groups_unseen[] = $group_count;
 164                                         }
 165                                 }
 166                         }
 167
 168                         $forum_counts = ForumManager::countUnseenItems();
 169                         if (DBA::isResult($forum_counts)) {
 170                                 foreach ($forum_counts as $forum_count) {
 171                                         if ($forum_count['count'] > 0) {
 172                                                 $forums_unseen[] = $forum_count;
 173                                         }
 174                                 }
 175                         }
 176                 }
 177
 178                 $intros1 = q(
 179                         "SELECT  `intro`.`id`, `intro`.`datetime`,
 180                         `fcontact`.`name`, `fcontact`.`url`, `fcontact`.`photo`
 181                         FROM `intro` INNER JOIN `fcontact` ON `intro`.`fid` = `fcontact`.`id`
 182                         WHERE `intro`.`uid` = %d AND NOT `intro`.`blocked` AND NOT `intro`.`ignore` AND `intro`.`fid` != 0",
 183                         intval(local_user())
 184                 );
 185                 $intros2 = q(
 186                         "SELECT `intro`.`id`, `intro`.`datetime`,
 187                         `contact`.`name`, `contact`.`url`, `contact`.`photo`
 188                         FROM `intro` INNER JOIN `contact` ON `intro`.`contact-id` = `contact`.`id`
 189                         WHERE `intro`.`uid` = %d AND NOT `intro`.`blocked` AND NOT `intro`.`ignore` AND `intro`.`contact-id` != 0 AND (`intro`.`fid` = 0 OR `intro`.`fid` IS NULL)",
 190                         intval(local_user())
 191                 );
 192
 193                 $intro_count = count($intros1) + count($intros2);
 194                 $intros = $intros1 + $intros2;
 195
 196                 $myurl = DI::baseUrl() . '/profile/' . $a->user['nickname'];
 197                 $mails = q(
 198                         "SELECT `id`, `from-name`, `from-url`, `from-photo`, `created` FROM `mail`
 199                         WHERE `uid` = %d AND `seen` = 0 AND `from-url` != '%s' ",
 200                         intval(local_user()),
 201                         DBA::escape($myurl)
 202                 );
 203                 $mail_count = count($mails);
 204
 205                 if (intval(DI::config()->get('config', 'register_policy')) === \Friendica\Module\Register::APPROVE && is_site_admin()) {
 206                         $regs = Friendica\Model\Register::getPending();
 207
 208                         if (DBA::isResult($regs)) {
 209                                 $register_count = count($regs);
 210                         }
 211                 }
 212
 213                 $cachekey = "ping_init:".local_user();
 214                 $ev = DI::cache()->get($cachekey);
 215                 if (is_null($ev)) {
 216                         $ev = q(
 217                                 "SELECT type, start, adjust FROM `event`
 218                                 WHERE `event`.`uid` = %d AND `start` < '%s' AND `finish` > '%s' and `ignore` = 0
 219                                 ORDER BY `start` ASC ",
 220                                 intval(local_user()),
 221                                 DBA::escape(DateTimeFormat::utc('now + 7 days')),
 222                                 DBA::escape(DateTimeFormat::utcNow())
 223                         );
 224                         if (DBA::isResult($ev)) {
 225                                 DI::cache()->set($cachekey, $ev, Duration::HOUR);
 226                         }
 227                 }
 228
 229                 if (DBA::isResult($ev)) {
 230                         $all_events = count($ev);
 231
 232                         if ($all_events) {
 233                                 $str_now = DateTimeFormat::timezoneNow($a->timezone, 'Y-m-d');
 234                                 foreach ($ev as $x) {
 235                                         $bd = false;
 236                                         if ($x['type'] === 'birthday') {
 237                                                 $birthdays ++;
 238                                                 $bd = true;
 239                                         } else {
 240                                                 $events ++;
 241                                         }
 242                                         if (DateTimeFormat::convert($x['start'], ((intval($x['adjust'])) ? $a->timezone : 'UTC'), 'UTC', 'Y-m-d') === $str_now) {
 243                                                 $all_events_today ++;
 244                                                 if ($bd) {
 245                                                         $birthdays_today ++;
 246                                                 } else {
 247                                                         $events_today ++;
 248                                                 }
 249                                         }
 250                                 }
 251                         }
 252                 }
 253
 254                 $data['intro']    = $intro_count;
 255                 $data['mail']     = $mail_count;
 256                 $data['net']      = $network_count;
 257                 $data['home']     = $home_count;
 258                 $data['register'] = $register_count;
 259
 260                 $data['all-events']       = $all_events;
 261                 $data['all-events-today'] = $all_events_today;
 262                 $data['events']           = $events;
 263                 $data['events-today']     = $events_today;
 264                 $data['birthdays']        = $birthdays;
 265                 $data['birthdays-today']  = $birthdays_today;
 266
 267                 if (DBA::isResult($notifications)) {
 268                         foreach ($notifications as $notif) {
 269                                 if ($notif['seen'] == 0) {
 270                                         $sysnotify_count ++;
 271                                 }
 272                         }
 273                 }
 274
 275                 // merge all notification types in one array
 276                 if (DBA::isResult($intros)) {
 277                         foreach ($intros as $intro) {
 278                                 $notif = [
 279                                         'id'      => 0,
 280                                         'href'    => DI::baseUrl() . '/notifications/intros/' . $intro['id'],
 281                                         'name'    => BBCode::convert($intro['name']),
 282                                         'url'     => $intro['url'],
 283                                         'photo'   => $intro['photo'],
 284                                         'date'    => $intro['datetime'],
 285                                         'seen'    => false,
 286                                         'message' => DI::l10n()->t('{0} wants to be your friend'),
 287                                 ];
 288                                 $notifications[] = $notif;
 289                         }
 290                 }
 291
 292                 if (DBA::isResult($regs)) {
 293                         if (count($regs) <= 1 || DI::pConfig()->get(local_user(), 'system', 'detailed_notif')) {
 294                                 foreach ($regs as $reg) {
 295                                         $notif = [
 296                                                 'id'      => 0,
 297                                                 'href'    => DI::baseUrl() . '/admin/users/pending',
 298                                                 'name'    => $reg['name'],
 299                                                 'url'     => $reg['url'],
 300                                                 'photo'   => $reg['micro'],
 301                                                 'date'    => $reg['created'],
 302                                                 'seen'    => false,
 303                                                 'message' => DI::l10n()->t('{0} requested registration'),
 304                                         ];
 305                                         $notifications[] = $notif;
 306                                 }
 307                         } else {
 308                                 $notif = [
 309                                         'id'      => 0,
 310                                         'href'    => DI::baseUrl() . '/admin/users/pending',
 311                                         'name'    => $regs[0]['name'],
 312                                         'url'     => $regs[0]['url'],
 313                                         'photo'   => $regs[0]['micro'],
 314                                         'date'    => $regs[0]['created'],
 315                                         'seen'    => false,
 316                                         'message' => DI::l10n()->t('{0} and %d others requested registration', count($regs) - 1),
 317                                 ];
 318                                 $notifications[] = $notif;
 319                         }
 320                 }
 321
 322                 // sort notifications by $[]['date']
 323                 $sort_function = function ($a, $b) {
 324                         $adate = strtotime($a['date']);
 325                         $bdate = strtotime($b['date']);
 326
 327                         // Unseen messages are kept at the top
 328                         // The value 31536000 means one year. This should be enough :-)
 329                         if (!$a['seen']) {
 330                                 $adate += 31536000;
 331                         }
 332                         if (!$b['seen']) {
 333                                 $bdate += 31536000;
 334                         }
 335
 336                         if ($adate == $bdate) {
 337                                 return 0;
 338                         }
 339                         return ($adate < $bdate) ? 1 : -1;
 340                 };
 341                 usort($notifications, $sort_function);
 342
 343                 array_walk($notifications, function (&$notification) {
 344                         $notification['photo']     = Contact::getAvatarUrlForUrl($notification['url'], local_user(), Proxy::SIZE_MICRO);
 345                         $notification['timestamp'] = DateTimeFormat::local($notification['date']);
 346                         $notification['date']      = Temporal::getRelativeDate($notification['date']);
 347                 });
 348         }
 349
 350         $sysmsgs = [];
 351         $sysmsgs_info = [];
 352
 353         if (!empty($_SESSION['sysmsg'])) {
 354                 $sysmsgs = $_SESSION['sysmsg'];
 355                 unset($_SESSION['sysmsg']);
 356         }
 357
 358         if (!empty($_SESSION['sysmsg_info'])) {
 359                 $sysmsgs_info = $_SESSION['sysmsg_info'];
 360                 unset($_SESSION['sysmsg_info']);
 361         }
 362
 363         if ($format == 'json') {
 364                 $data['groups'] = $groups_unseen;
 365                 $data['forums'] = $forums_unseen;
 366                 $data['notification'] = $sysnotify_count + $intro_count + $register_count;
 367                 $data['notifications'] = $notifications;
 368                 $data['sysmsgs'] = [
 369                         'notice' => $sysmsgs,
 370                         'info' => $sysmsgs_info
 371                 ];
 372
 373                 $json_payload = json_encode(["result" => $data]);
 374
 375                 if (isset($_GET['callback'])) {
 376                         // JSONP support
 377                         header("Content-type: application/javascript");
 378                         echo $_GET['callback'] . '(' . $json_payload . ')';
 379                 } else {
 380                         header("Content-type: application/json");
 381                         echo $json_payload;
 382                 }
 383         } else {
 384                 // Legacy slower XML format output
 385                 $data = ping_format_xml_data($data, $sysnotify_count, $notifications, $sysmsgs, $sysmsgs_info, $groups_unseen, $forums_unseen);
 386
 387                 header("Content-type: text/xml");
 388                 echo XML::fromArray(["result" => $data], $xml);
 389         }
 390
 391         exit();
 392 }
 393
 394 /**
 395  * Retrieves the notifications array for the given user ID
 396  *
 397  * @param int $uid User id
 398  * @return array Associative array of notifications
 399  * @throws \Friendica\Network\HTTPException\InternalServerErrorException
 400  */
 401 function ping_get_notifications($uid)
 402 {
 403         $result  = [];
 404         $offset  = 0;
 405         $seen    = false;
 406         $seensql = "NOT";
 407         $order   = "DESC";
 408         $quit    = false;
 409
 410         do {
 411                 $r = q(
 412                         "SELECT `notify`.*, `post`.`visible`, `post`.`deleted`
 413                         FROM `notify` LEFT JOIN `post` ON `post`.`uri-id` = `notify`.`uri-id`
 414                         WHERE `notify`.`uid` = %d AND `notify`.`msg` != ''
 415                         AND NOT (`notify`.`type` IN (%d, %d))
 416                         AND $seensql `notify`.`seen` ORDER BY `notify`.`date` $order LIMIT %d, 50",
 417                         intval($uid),
 418                         intval(Notification\Type::INTRO),
 419                         intval(Notification\Type::MAIL),
 420                         intval($offset)
 421                 );
 422
 423                 if (!$r && !$seen) {
 424                         $seen = true;
 425                         $seensql = "";
 426                         $order = "DESC";
 427                         $offset = 0;
 428                 } elseif (!$r) {
 429                         $quit = true;
 430                 } else {
 431                         $offset += 50;
 432                 }
 433
 434                 foreach ($r as $notification) {
 435                         if (is_null($notification["visible"])) {
 436                                 $notification["visible"] = true;
 437                         }
 438
 439                         if (is_null($notification["deleted"])) {
 440                                 $notification["deleted"] = 0;
 441                         }
 442
 443                         if ($notification["msg_cache"]) {
 444                                 $notification["name"] = $notification["name_cache"];
 445                                 $notification["message"] = $notification["msg_cache"];
 446                         } else {
 447                                 $notification["name"] = strip_tags(BBCode::convert($notification["name"]));
 448                                 $notification["message"] = Notification::formatMessage($notification["name"], strip_tags(BBCode::convert($notification["msg"])));
 449
 450                                 q(
 451                                         "UPDATE `notify` SET `name_cache` = '%s', `msg_cache` = '%s' WHERE `id` = %d",
 452                                         DBA::escape($notification["name"]),
 453                                         DBA::escape($notification["message"]),
 454                                         intval($notification["id"])
 455                                 );
 456                         }
 457
 458                         $notification["href"] = DI::baseUrl() . "/notification/" . $notification["id"];
 459
 460                         if ($notification["visible"]
 461                                 && !$notification["deleted"]
 462                                 && empty($result[$notification['parent']])
 463                         ) {
 464                                 // Should we condense the notifications or show them all?
 465                                 if (DI::pConfig()->get(local_user(), 'system', 'detailed_notif')) {
 466                                         $result[$notification["id"]] = $notification;
 467                                 } else {
 468                                         $result[$notification['parent']] = $notification;
 469                                 }
 470                         }
 471                 }
 472         } while ((count($result) < 50) && !$quit);
 473
 474         return($result);
 475 }
 476
 477 /**
 478  * Backward-compatible XML formatting for ping.php output
 479  * @deprecated
 480  *
 481  * @param array $data            The initial ping data array
 482  * @param int   $sysnotify_count Number of unseen system notifications
 483  * @param array $notifs          Complete list of notification
 484  * @param array $sysmsgs         List of system notice messages
 485  * @param array $sysmsgs_info    List of system info messages
 486  * @param array $groups_unseen   List of unseen group items
 487  * @param array $forums_unseen   List of unseen forum items
 488  *
 489  * @return array XML-transform ready data array
 490  */
 491 function ping_format_xml_data($data, $sysnotify_count, $notifs, $sysmsgs, $sysmsgs_info, $groups_unseen, $forums_unseen)
 492 {
 493         $notifications = [];
 494         foreach ($notifs as $key => $notif) {
 495                 $notifications[$key . ':note'] = $notif['message'];
 496
 497                 $notifications[$key . ':@attributes'] = [
 498                         'id'        => $notif['id'],
 499                         'href'      => $notif['href'],
 500                         'name'      => $notif['name'],
 501                         'url'       => $notif['url'],
 502                         'photo'     => $notif['photo'],
 503                         'date'      => $notif['date'],
 504                         'seen'      => $notif['seen'],
 505                         'timestamp' => $notif['timestamp']
 506                 ];
 507         }
 508
 509         $sysmsg = [];
 510         foreach ($sysmsgs as $key => $m) {
 511                 $sysmsg[$key . ':notice'] = $m;
 512         }
 513         foreach ($sysmsgs_info as $key => $m) {
 514                 $sysmsg[$key . ':info'] = $m;
 515         }
 516
 517         $data['notif'] = $notifications;
 518         $data['@attributes'] = ['count' => $sysnotify_count + $data['intro'] + $data['mail'] + $data['register']];
 519         $data['sysmsgs'] = $sysmsg;
 520
 521         if ($data['register'] == 0) {
 522                 unset($data['register']);
 523         }
 524
 525         $groups = [];
 526         if (count($groups_unseen)) {
 527                 foreach ($groups_unseen as $key => $item) {
 528                         $groups[$key . ':group'] = $item['count'];
 529                         $groups[$key . ':@attributes'] = ['id' => $item['id']];
 530                 }
 531                 $data['groups'] = $groups;
 532         }
 533
 534         $forums = [];
 535         if (count($forums_unseen)) {
 536                 foreach ($forums_unseen as $key => $item) {
 537                         $forums[$key . ':forum'] = $item['count'];
 538                         $forums[$key . ':@attributes'] = ['id' => $item['id']];
 539                 }
 540                 $data['forums'] = $forums;
 541         }
 542
 543         return $data;
 544 }