mod/ping.php

   1 <?php
   2 /**
   3  * @file include/ping.php
   4  */
   5
   6 use Friendica\App;
   7 use Friendica\Content\Feature;
   8 use Friendica\Content\ForumManager;
   9 use Friendica\Content\Text\BBCode;
  10 use Friendica\Core\Addon;
  11 use Friendica\Core\Cache;
  12 use Friendica\Core\Config;
  13 use Friendica\Core\L10n;
  14 use Friendica\Core\PConfig;
  15 use Friendica\Core\System;
  16 use Friendica\Database\DBA;
  17 use Friendica\Model\Contact;
  18 use Friendica\Model\Group;
  19 use Friendica\Model\Item;
  20 use Friendica\Util\DateTimeFormat;
  21 use Friendica\Util\Temporal;
  22 use Friendica\Util\Proxy as ProxyUtils;
  23 use Friendica\Util\XML;
  24
  25 /**
  26  * @brief Outputs the counts and the lists of various notifications
  27  *
  28  * The output format can be controlled via the GET parameter 'format'. It can be
  29  * - xml (deprecated legacy default)
  30  * - json (outputs JSONP with the 'callback' GET parameter)
  31  *
  32  * Expected JSON structure:
  33  * {
  34  *              "result": {
  35  *                      "intro": 0,
  36  *                      "mail": 0,
  37  *                      "net": 0,
  38  *                      "home": 0,
  39  *                      "register": 0,
  40  *                      "all-events": 0,
  41  *                      "all-events-today": 0,
  42  *                      "events": 0,
  43  *                      "events-today": 0,
  44  *                      "birthdays": 0,
  45  *                      "birthdays-today": 0,
  46  *                      "groups": [ ],
  47  *                      "forums": [ ],
  48  *                      "notify": 0,
  49  *                      "notifications": [ ],
  50  *                      "sysmsgs": {
  51  *                              "notice": [ ],
  52  *                              "info": [ ]
  53  *                      }
  54  *              }
  55  *      }
  56  *
  57  * @param App $a The Friendica App instance
  58  */
  59 function ping_init(App $a)
  60 {
  61         $format = 'xml';
  62
  63         if (isset($_GET['format']) && $_GET['format'] == 'json') {
  64                 $format = 'json';
  65         }
  66
  67         $regs          = [];
  68         $notifications = [];
  69
  70         $intro_count    = 0;
  71         $mail_count     = 0;
  72         $home_count     = 0;
  73         $network_count  = 0;
  74         $register_count = 0;
  75         $sysnotify_count = 0;
  76         $groups_unseen  = [];
  77         $forums_unseen  = [];
  78
  79         $all_events       = 0;
  80         $all_events_today = 0;
  81         $events           = 0;
  82         $events_today     = 0;
  83         $birthdays        = 0;
  84         $birthdays_today  = 0;
  85
  86         $data = [];
  87         $data['intro']    = $intro_count;
  88         $data['mail']     = $mail_count;
  89         $data['net']      = $network_count;
  90         $data['home']     = $home_count;
  91         $data['register'] = $register_count;
  92
  93         $data['all-events']       = $all_events;
  94         $data['all-events-today'] = $all_events_today;
  95         $data['events']           = $events;
  96         $data['events-today']     = $events_today;
  97         $data['birthdays']        = $birthdays;
  98         $data['birthdays-today']  = $birthdays_today;
  99
 100         if (local_user()) {
 101                 // Different login session than the page that is calling us.
 102                 if (!empty($_GET['uid']) && intval($_GET['uid']) != local_user()) {
 103                         $data = ['result' => ['invalid' => 1]];
 104
 105                         if ($format == 'json') {
 106                                 if (isset($_GET['callback'])) {
 107                                         // JSONP support
 108                                         header("Content-type: application/javascript");
 109                                         echo $_GET['callback'] . '(' . json_encode($data) . ')';
 110                                 } else {
 111                                         header("Content-type: application/json");
 112                                         echo json_encode($data);
 113                                 }
 114                         } else {
 115                                 header("Content-type: text/xml");
 116                                 echo XML::fromArray($data, $xml);
 117                         }
 118                         killme();
 119                 }
 120
 121                 $notifs = ping_get_notifications(local_user());
 122
 123                 $condition = ["`unseen` AND `uid` = ? AND `contact-id` != ?", local_user(), local_user()];
 124                 $fields = ['id', 'parent', 'verb', 'author-name', 'unseen', 'author-link', 'author-avatar', 'contact-avatar',
 125                         'network', 'created', 'object', 'parent-author-name', 'parent-author-link', 'parent-guid', 'wall'];
 126                 $params = ['order' => ['created' => true]];
 127                 $items = Item::selectForUser(local_user(), $fields, $condition, $params);
 128
 129                 if (DBA::isResult($items)) {
 130                         $items_unseen = Item::inArray($items);
 131                         $arr = ['items' => $items_unseen];
 132                         Addon::callHooks('network_ping', $arr);
 133
 134                         foreach ($items_unseen as $item) {
 135                                 if ($item['wall']) {
 136                                         $home_count++;
 137                                 } else {
 138                                         $network_count++;
 139                                 }
 140                         }
 141                 }
 142
 143                 if ($network_count) {
 144                         // Find out how unseen network posts are spread across groups
 145                         $group_counts = Group::countUnseen();
 146                         if (DBA::isResult($group_counts)) {
 147                                 foreach ($group_counts as $group_count) {
 148                                         if ($group_count['count'] > 0) {
 149                                                 $groups_unseen[] = $group_count;
 150                                         }
 151                                 }
 152                         }
 153
 154                         $forum_counts = ForumManager::countUnseenItems();
 155                         if (DBA::isResult($forum_counts)) {
 156                                 foreach ($forum_counts as $forum_count) {
 157                                         if ($forum_count['count'] > 0) {
 158                                                 $forums_unseen[] = $forum_count;
 159                                         }
 160                                 }
 161                         }
 162                 }
 163
 164                 $intros1 = q(
 165                         "SELECT  `intro`.`id`, `intro`.`datetime`,
 166                         `fcontact`.`name`, `fcontact`.`url`, `fcontact`.`photo`
 167                         FROM `intro` LEFT JOIN `fcontact` ON `intro`.`fid` = `fcontact`.`id`
 168                         WHERE `intro`.`uid` = %d  AND `intro`.`blocked` = 0 AND `intro`.`ignore` = 0 AND `intro`.`fid` != 0",
 169                         intval(local_user())
 170                 );
 171                 $intros2 = q(
 172                         "SELECT `intro`.`id`, `intro`.`datetime`,
 173                         `contact`.`name`, `contact`.`url`, `contact`.`photo`
 174                         FROM `intro` LEFT JOIN `contact` ON `intro`.`contact-id` = `contact`.`id`
 175                         WHERE `intro`.`uid` = %d  AND `intro`.`blocked` = 0 AND `intro`.`ignore` = 0 AND `intro`.`contact-id` != 0",
 176                         intval(local_user())
 177                 );
 178
 179                 $intro_count = count($intros1) + count($intros2);
 180                 $intros = $intros1 + $intros2;
 181
 182                 $myurl = System::baseUrl() . '/profile/' . $a->user['nickname'];
 183                 $mails = q(
 184                         "SELECT `id`, `from-name`, `from-url`, `from-photo`, `created` FROM `mail`
 185                         WHERE `uid` = %d AND `seen` = 0 AND `from-url` != '%s' ",
 186                         intval(local_user()),
 187                         DBA::escape($myurl)
 188                 );
 189                 $mail_count = count($mails);
 190
 191                 if (intval(Config::get('config', 'register_policy')) === REGISTER_APPROVE && is_site_admin()) {
 192                         $regs = Friendica\Model\Register::getPending();
 193
 194                         if (DBA::isResult($regs)) {
 195                                 $register_count = count($regs);
 196                         }
 197                 }
 198
 199                 $cachekey = "ping_init:".local_user();
 200                 $ev = Cache::get($cachekey);
 201                 if (is_null($ev)) {
 202                         $ev = q(
 203                                 "SELECT type, start, adjust FROM `event`
 204                                 WHERE `event`.`uid` = %d AND `start` < '%s' AND `finish` > '%s' and `ignore` = 0
 205                                 ORDER BY `start` ASC ",
 206                                 intval(local_user()),
 207                                 DBA::escape(DateTimeFormat::utc('now + 7 days')),
 208                                 DBA::escape(DateTimeFormat::utcNow())
 209                         );
 210                         if (DBA::isResult($ev)) {
 211                                 Cache::set($cachekey, $ev, Cache::HOUR);
 212                         }
 213                 }
 214
 215                 if (DBA::isResult($ev)) {
 216                         $all_events = count($ev);
 217
 218                         if ($all_events) {
 219                                 $str_now = DateTimeFormat::timezoneNow($a->timezone, 'Y-m-d');
 220                                 foreach ($ev as $x) {
 221                                         $bd = false;
 222                                         if ($x['type'] === 'birthday') {
 223                                                 $birthdays ++;
 224                                                 $bd = true;
 225                                         } else {
 226                                                 $events ++;
 227                                         }
 228                                         if (DateTimeFormat::convert($x['start'], ((intval($x['adjust'])) ? $a->timezone : 'UTC'), 'UTC', 'Y-m-d') === $str_now) {
 229                                                 $all_events_today ++;
 230                                                 if ($bd) {
 231                                                         $birthdays_today ++;
 232                                                 } else {
 233                                                         $events_today ++;
 234                                                 }
 235                                         }
 236                                 }
 237                         }
 238                 }
 239
 240                 $data['intro']    = $intro_count;
 241                 $data['mail']     = $mail_count;
 242                 $data['net']      = $network_count;
 243                 $data['home']     = $home_count;
 244                 $data['register'] = $register_count;
 245
 246                 $data['all-events']       = $all_events;
 247                 $data['all-events-today'] = $all_events_today;
 248                 $data['events']           = $events;
 249                 $data['events-today']     = $events_today;
 250                 $data['birthdays']        = $birthdays;
 251                 $data['birthdays-today']  = $birthdays_today;
 252
 253                 if (DBA::isResult($notifs)) {
 254                         foreach ($notifs as $notif) {
 255                                 if ($notif['seen'] == 0) {
 256                                         $sysnotify_count ++;
 257                                 }
 258                         }
 259                 }
 260
 261                 // merge all notification types in one array
 262                 if (DBA::isResult($intros)) {
 263                         foreach ($intros as $intro) {
 264                                 $notif = [
 265                                         'id'      => 0,
 266                                         'href'    => System::baseUrl() . '/notifications/intros/' . $intro['id'],
 267                                         'name'    => $intro['name'],
 268                                         'url'     => $intro['url'],
 269                                         'photo'   => $intro['photo'],
 270                                         'date'    => $intro['datetime'],
 271                                         'seen'    => false,
 272                                         'message' => L10n::t('{0} wants to be your friend'),
 273                                 ];
 274                                 $notifs[] = $notif;
 275                         }
 276                 }
 277
 278                 if (DBA::isResult($regs)) {
 279                         foreach ($regs as $reg) {
 280                                 $notif = [
 281                                         'id'      => 0,
 282                                         'href'    => System::baseUrl() . '/admin/users/',
 283                                         'name'    => $reg['name'],
 284                                         'url'     => $reg['url'],
 285                                         'photo'   => $reg['micro'],
 286                                         'date'    => $reg['created'],
 287                                         'seen'    => false,
 288                                         'message' => L10n::t('{0} requested registration'),
 289                                 ];
 290                                 $notifs[] = $notif;
 291                         }
 292                 }
 293
 294                 // sort notifications by $[]['date']
 295                 $sort_function = function ($a, $b) {
 296                         $adate = strtotime($a['date']);
 297                         $bdate = strtotime($b['date']);
 298
 299                         // Unseen messages are kept at the top
 300                         // The value 31536000 means one year. This should be enough :-)
 301                         if (!$a['seen']) {
 302                                 $adate += 31536000;
 303                         }
 304                         if (!$b['seen']) {
 305                                 $bdate += 31536000;
 306                         }
 307
 308                         if ($adate == $bdate) {
 309                                 return 0;
 310                         }
 311                         return ($adate < $bdate) ? 1 : -1;
 312                 };
 313                 usort($notifs, $sort_function);
 314
 315                 if (DBA::isResult($notifs)) {
 316                         // Are the nofications called from the regular process or via the friendica app?
 317                         $regularnotifications = (!empty($_GET['uid']) && !empty($_GET['_']));
 318
 319                         foreach ($notifs as $notif) {
 320                                 if ($a->isFriendicaApp() || !$regularnotifications) {
 321                                         $notif['message'] = str_replace("{0}", $notif['name'], $notif['message']);
 322                                 }
 323
 324                                 $contact = Contact::getDetailsByURL($notif['url']);
 325                                 if (isset($contact['micro'])) {
 326                                         $notif['photo'] = ProxyUtils::proxifyUrl($contact['micro'], false, ProxyUtils::SIZE_MICRO);
 327                                 } else {
 328                                         $notif['photo'] = ProxyUtils::proxifyUrl($notif['photo'], false, ProxyUtils::SIZE_MICRO);
 329                                 }
 330
 331                                 $local_time = DateTimeFormat::local($notif['date']);
 332
 333                                 $notifications[] = [
 334                                         'id'        => $notif['id'],
 335                                         'href'      => $notif['href'],
 336                                         'name'      => $notif['name'],
 337                                         'url'       => $notif['url'],
 338                                         'photo'     => $notif['photo'],
 339                                         'date'      => Temporal::getRelativeDate($notif['date']),
 340                                         'message'   => $notif['message'],
 341                                         'seen'      => $notif['seen'],
 342                                         'timestamp' => strtotime($local_time)
 343                                 ];
 344                         }
 345                 }
 346         }
 347
 348         $sysmsgs = [];
 349         $sysmsgs_info = [];
 350
 351         if (!empty($_SESSION['sysmsg'])) {
 352                 $sysmsgs = $_SESSION['sysmsg'];
 353                 unset($_SESSION['sysmsg']);
 354         }
 355
 356         if (!empty($_SESSION['sysmsg_info'])) {
 357                 $sysmsgs_info = $_SESSION['sysmsg_info'];
 358                 unset($_SESSION['sysmsg_info']);
 359         }
 360
 361         if ($format == 'json') {
 362                 $data['groups'] = $groups_unseen;
 363                 $data['forums'] = $forums_unseen;
 364                 $data['notify'] = $sysnotify_count + $intro_count + $register_count;
 365                 $data['notifications'] = $notifications;
 366                 $data['sysmsgs'] = [
 367                         'notice' => $sysmsgs,
 368                         'info' => $sysmsgs_info
 369                 ];
 370
 371                 $json_payload = json_encode(["result" => $data]);
 372
 373                 if (isset($_GET['callback'])) {
 374                         // JSONP support
 375                         header("Content-type: application/javascript");
 376                         echo $_GET['callback'] . '(' . $json_payload . ')';
 377                 } else {
 378                         header("Content-type: application/json");
 379                         echo $json_payload;
 380                 }
 381         } else {
 382                 // Legacy slower XML format output
 383                 $data = ping_format_xml_data($data, $sysnotify_count, $notifications, $sysmsgs, $sysmsgs_info, $groups_unseen, $forums_unseen);
 384
 385                 header("Content-type: text/xml");
 386                 echo XML::fromArray(["result" => $data], $xml);
 387         }
 388
 389         killme();
 390 }
 391
 392 /**
 393  * @brief Retrieves the notifications array for the given user ID
 394  *
 395  * @param int $uid User id
 396  * @return array Associative array of notifications
 397  */
 398 function ping_get_notifications($uid)
 399 {
 400         $result  = [];
 401         $offset  = 0;
 402         $seen    = false;
 403         $seensql = "NOT";
 404         $order   = "DESC";
 405         $quit    = false;
 406
 407         do {
 408                 $r = q(
 409                         "SELECT `notify`.*, `item`.`visible`, `item`.`deleted`
 410                         FROM `notify` LEFT JOIN `item` ON `item`.`id` = `notify`.`iid`
 411                         WHERE `notify`.`uid` = %d AND `notify`.`msg` != ''
 412                         AND NOT (`notify`.`type` IN (%d, %d))
 413                         AND $seensql `notify`.`seen` ORDER BY `notify`.`date` $order LIMIT %d, 50",
 414                         intval($uid),
 415                         intval(NOTIFY_INTRO),
 416                         intval(NOTIFY_MAIL),
 417                         intval($offset)
 418                 );
 419
 420                 if (!$r && !$seen) {
 421                         $seen = true;
 422                         $seensql = "";
 423                         $order = "DESC";
 424                         $offset = 0;
 425                 } elseif (!$r) {
 426                         $quit = true;
 427                 } else {
 428                         $offset += 50;
 429                 }
 430
 431                 foreach ($r as $notification) {
 432                         if (is_null($notification["visible"])) {
 433                                 $notification["visible"] = true;
 434                         }
 435
 436                         if (is_null($notification["deleted"])) {
 437                                 $notification["deleted"] = 0;
 438                         }
 439
 440                         if ($notification["msg_cache"]) {
 441                                 $notification["name"] = $notification["name_cache"];
 442                                 $notification["message"] = $notification["msg_cache"];
 443                         } else {
 444                                 $notification["name"] = strip_tags(BBCode::convert($notification["name"]));
 445                                 $notification["message"] = format_notification_message($notification["name"], strip_tags(BBCode::convert($notification["msg"])));
 446
 447                                 q(
 448                                         "UPDATE `notify` SET `name_cache` = '%s', `msg_cache` = '%s' WHERE `id` = %d",
 449                                         DBA::escape($notification["name"]),
 450                                         DBA::escape($notification["message"]),
 451                                         intval($notification["id"])
 452                                 );
 453                         }
 454
 455                         $notification["href"] = System::baseUrl() . "/notify/view/" . $notification["id"];
 456
 457                         if ($notification["visible"]
 458                                 && !$notification["deleted"]
 459                                 && empty($result[$notification["parent"]])
 460                         ) {
 461                                 // Should we condense the notifications or show them all?
 462                                 if (PConfig::get(local_user(), 'system', 'detailed_notif')) {
 463                                         $result[$notification["id"]] = $notification;
 464                                 } else {
 465                                         $result[$notification["parent"]] = $notification;
 466                                 }
 467                         }
 468                 }
 469         } while ((count($result) < 50) && !$quit);
 470
 471         return($result);
 472 }
 473
 474 /**
 475  * @brief Backward-compatible XML formatting for ping.php output
 476  * @deprecated
 477  *
 478  * @param array $data            The initial ping data array
 479  * @param int   $sysnotify_count Number of unseen system notifications
 480  * @param array $notifs          Complete list of notification
 481  * @param array $sysmsgs         List of system notice messages
 482  * @param array $sysmsgs_info    List of system info messages
 483  * @param array $groups_unseen   List of unseen group messages
 484  * @param array $forums_unseen   List of unseen forum messages
 485  *
 486  * @return array XML-transform ready data array
 487  */
 488 function ping_format_xml_data($data, $sysnotify_count, $notifs, $sysmsgs, $sysmsgs_info, $groups_unseen, $forums_unseen)
 489 {
 490         $notifications = [];
 491         foreach ($notifs as $key => $notif) {
 492                 $notifications[$key . ':note'] = $notif['message'];
 493
 494                 $notifications[$key . ':@attributes'] = [
 495                         'id'        => $notif['id'],
 496                         'href'      => $notif['href'],
 497                         'name'      => $notif['name'],
 498                         'url'       => $notif['url'],
 499                         'photo'     => $notif['photo'],
 500                         'date'      => $notif['date'],
 501                         'seen'      => $notif['seen'],
 502                         'timestamp' => $notif['timestamp']
 503                 ];
 504         }
 505
 506         $sysmsg = [];
 507         foreach ($sysmsgs as $key => $m) {
 508                 $sysmsg[$key . ':notice'] = $m;
 509         }
 510         foreach ($sysmsgs_info as $key => $m) {
 511                 $sysmsg[$key . ':info'] = $m;
 512         }
 513
 514         $data['notif'] = $notifications;
 515         $data['@attributes'] = ['count' => $sysnotify_count + $data['intro'] + $data['mail'] + $data['register']];
 516         $data['sysmsgs'] = $sysmsg;
 517
 518         if ($data['register'] == 0) {
 519                 unset($data['register']);
 520         }
 521
 522         $groups = [];
 523         if (count($groups_unseen)) {
 524                 foreach ($groups_unseen as $key => $item) {
 525                         $groups[$key . ':group'] = $item['count'];
 526                         $groups[$key . ':@attributes'] = ['id' => $item['id']];
 527                 }
 528                 $data['groups'] = $groups;
 529         }
 530
 531         $forums = [];
 532         if (count($forums_unseen)) {
 533                 foreach ($forums_unseen as $key => $item) {
 534                         $forums[$key . ':forum'] = $item['count'];
 535                         $forums[$key . ':@attributes'] = ['id' => $item['id']];
 536                 }
 537                 $data['forums'] = $forums;
 538         }
 539
 540         return $data;
 541 }