src/Model/Profile.php

   1 <?php
   2 /**
   3  * @file src/Model/Profile.php
   4  */
   5 namespace Friendica\Model;
   6
   7 use Friendica\App;
   8 use Friendica\Content\Feature;
   9 use Friendica\Content\ForumManager;
  10 use Friendica\Content\Text\BBCode;
  11 use Friendica\Content\Text\HTML;
  12 use Friendica\Core\Addon;
  13 use Friendica\Core\Cache;
  14 use Friendica\Core\Config;
  15 use Friendica\Core\L10n;
  16 use Friendica\Core\Logger;
  17 use Friendica\Core\PConfig;
  18 use Friendica\Core\Protocol;
  19 use Friendica\Core\Renderer;
  20 use Friendica\Core\System;
  21 use Friendica\Core\Worker;
  22 use Friendica\Database\DBA;
  23 use Friendica\Model\Contact;
  24 use Friendica\Protocol\Diaspora;
  25 use Friendica\Util\DateTimeFormat;
  26 use Friendica\Util\Network;
  27 use Friendica\Util\Proxy as ProxyUtils;
  28 use Friendica\Util\Strings;
  29 use Friendica\Util\Temporal;
  30
  31 require_once 'include/dba.php';
  32
  33 class Profile
  34 {
  35         /**
  36          * @brief Returns default profile for a given user id
  37          *
  38          * @param integer User ID
  39          *
  40          * @return array Profile data
  41          */
  42         public static function getByUID($uid)
  43         {
  44                 $profile = DBA::selectFirst('profile', [], ['uid' => $uid, 'is-default' => true]);
  45                 return $profile;
  46         }
  47
  48         /**
  49          * @brief Returns a formatted location string from the given profile array
  50          *
  51          * @param array $profile Profile array (Generated from the "profile" table)
  52          *
  53          * @return string Location string
  54          */
  55         public static function formatLocation(array $profile)
  56         {
  57                 $location = '';
  58
  59                 if (!empty($profile['locality'])) {
  60                         $location .= $profile['locality'];
  61                 }
  62
  63                 if (!empty($profile['region']) && (defaults($profile, 'locality', '') != $profile['region'])) {
  64                         if ($location) {
  65                                 $location .= ', ';
  66                         }
  67
  68                         $location .= $profile['region'];
  69                 }
  70
  71                 if (!empty($profile['country-name'])) {
  72                         if ($location) {
  73                                 $location .= ', ';
  74                         }
  75
  76                         $location .= $profile['country-name'];
  77                 }
  78
  79                 return $location;
  80         }
  81
  82         /**
  83          *
  84          * Loads a profile into the page sidebar.
  85          *
  86          * The function requires a writeable copy of the main App structure, and the nickname
  87          * of a registered local account.
  88          *
  89          * If the viewer is an authenticated remote viewer, the profile displayed is the
  90          * one that has been configured for his/her viewing in the Contact manager.
  91          * Passing a non-zero profile ID can also allow a preview of a selected profile
  92          * by the owner.
  93          *
  94          * Profile information is placed in the App structure for later retrieval.
  95          * Honours the owner's chosen theme for display.
  96          *
  97          * @attention Should only be run in the _init() functions of a module. That ensures that
  98          *      the theme is chosen before the _init() function of a theme is run, which will usually
  99          *      load a lot of theme-specific content
 100          *
 101          * @brief Loads a profile into the page sidebar.
 102          * @param App     $a
 103          * @param string  $nickname     string
 104          * @param int     $profile      int
 105          * @param array   $profiledata  array
 106          * @param boolean $show_connect Show connect link
 107          */
 108         public static function load(App $a, $nickname, $profile = 0, array $profiledata = [], $show_connect = true)
 109         {
 110                 $user = DBA::selectFirst('user', ['uid'], ['nickname' => $nickname, 'account_removed' => false]);
 111
 112                 if (!DBA::isResult($user) && empty($profiledata)) {
 113                         Logger::log('profile error: ' . $a->query_string, Logger::DEBUG);
 114                         notice(L10n::t('Requested account is not available.') . EOL);
 115                         $a->error = 404;
 116                         return;
 117                 }
 118
 119                 if (count($profiledata) > 0) {
 120                         // Add profile data to sidebar
 121                         $a->page['aside'] .= self::sidebar($profiledata, true, $show_connect);
 122
 123                         if (!DBA::isResult($user)) {
 124                                 return;
 125                         }
 126                 }
 127
 128                 $pdata = self::getByNickname($nickname, $user['uid'], $profile);
 129
 130                 if (empty($pdata) && empty($profiledata)) {
 131                         Logger::log('profile error: ' . $a->query_string, Logger::DEBUG);
 132                         notice(L10n::t('Requested profile is not available.') . EOL);
 133                         $a->error = 404;
 134                         return;
 135                 }
 136
 137                 if (empty($pdata)) {
 138                         $pdata = ['uid' => 0, 'profile_uid' => 0, 'is-default' => false,'name' => $nickname];
 139                 }
 140
 141                 // fetch user tags if this isn't the default profile
 142
 143                 if (!$pdata['is-default']) {
 144                         $condition = ['uid' => $pdata['profile_uid'], 'is-default' => true];
 145                         $profile = DBA::selectFirst('profile', ['pub_keywords'], $condition);
 146                         if (DBA::isResult($profile)) {
 147                                 $pdata['pub_keywords'] = $profile['pub_keywords'];
 148                         }
 149                 }
 150
 151                 $a->profile = $pdata;
 152                 $a->profile_uid = $pdata['profile_uid'];
 153
 154                 $a->profile['mobile-theme'] = PConfig::get($a->profile['profile_uid'], 'system', 'mobile_theme');
 155                 $a->profile['network'] = Protocol::DFRN;
 156
 157                 $a->page['title'] = $a->profile['name'] . ' @ ' . Config::get('config', 'sitename');
 158
 159                 if (!$profiledata && !PConfig::get(local_user(), 'system', 'always_my_theme')) {
 160                         $_SESSION['theme'] = $a->profile['theme'];
 161                 }
 162
 163                 $_SESSION['mobile-theme'] = $a->profile['mobile-theme'];
 164
 165                 /*
 166                 * load/reload current theme info
 167                 */
 168
 169                 Renderer::setActiveTemplateEngine(); // reset the template engine to the default in case the user's theme doesn't specify one
 170
 171                 $theme_info_file = 'view/theme/' . $a->getCurrentTheme() . '/theme.php';
 172                 if (file_exists($theme_info_file)) {
 173                         require_once $theme_info_file;
 174                 }
 175
 176                 if (local_user() && local_user() == $a->profile['uid'] && $profiledata) {
 177                         $a->page['aside'] .= Renderer::replaceMacros(
 178                                 Renderer::getMarkupTemplate('profile_edlink.tpl'),
 179                                 [
 180                                         '$editprofile' => L10n::t('Edit profile'),
 181                                         '$profid' => $a->profile['id']
 182                                 ]
 183                         );
 184                 }
 185
 186                 $block = ((Config::get('system', 'block_public') && !local_user() && !remote_user()) ? true : false);
 187
 188                 /**
 189                  * @todo
 190                  * By now, the contact block isn't shown, when a different profile is given
 191                  * But: When this profile was on the same server, then we could display the contacts
 192                  */
 193                 if (!$profiledata) {
 194                         $a->page['aside'] .= self::sidebar($a->profile, $block, $show_connect);
 195                 }
 196
 197                 return;
 198         }
 199
 200         /**
 201          * Get all profile data of a local user
 202          *
 203          * If the viewer is an authenticated remote viewer, the profile displayed is the
 204          * one that has been configured for his/her viewing in the Contact manager.
 205          * Passing a non-zero profile ID can also allow a preview of a selected profile
 206          * by the owner
 207          *
 208          * Includes all available profile data
 209          *
 210          * @brief Get all profile data of a local user
 211          * @param string $nickname nick
 212          * @param int    $uid      uid
 213          * @param int    $profile_id  ID of the profile
 214          * @return array
 215          */
 216         public static function getByNickname($nickname, $uid = 0, $profile_id = 0)
 217         {
 218                 if (remote_user() && !empty($_SESSION['remote'])) {
 219                         foreach ($_SESSION['remote'] as $visitor) {
 220                                 if ($visitor['uid'] == $uid) {
 221                                         $contact = DBA::selectFirst('contact', ['profile-id'], ['id' => $visitor['cid']]);
 222                                         if (DBA::isResult($contact)) {
 223                                                 $profile_id = $contact['profile-id'];
 224                                         }
 225                                         break;
 226                                 }
 227                         }
 228                 }
 229
 230                 $profile = null;
 231
 232                 if ($profile_id) {
 233                         $profile = DBA::fetchFirst(
 234                                 "SELECT `contact`.`id` AS `contact_id`, `contact`.`photo` AS `contact_photo`,
 235                                         `contact`.`thumb` AS `contact_thumb`, `contact`.`micro` AS `contact_micro`,
 236                                         `profile`.`uid` AS `profile_uid`, `profile`.*,
 237                                         `contact`.`avatar-date` AS picdate, `contact`.`addr`, `contact`.`url`, `user`.*
 238                                 FROM `profile`
 239                                 INNER JOIN `contact` on `contact`.`uid` = `profile`.`uid` AND `contact`.`self`
 240                                 INNER JOIN `user` ON `profile`.`uid` = `user`.`uid`
 241                                 WHERE `user`.`nickname` = ? AND `profile`.`id` = ? LIMIT 1",
 242                                 $nickname,
 243                                 intval($profile_id)
 244                         );
 245                 }
 246                 if (!DBA::isResult($profile)) {
 247                         $profile = DBA::fetchFirst(
 248                                 "SELECT `contact`.`id` AS `contact_id`, `contact`.`photo` as `contact_photo`,
 249                                         `contact`.`thumb` AS `contact_thumb`, `contact`.`micro` AS `contact_micro`,
 250                                         `profile`.`uid` AS `profile_uid`, `profile`.*,
 251                                         `contact`.`avatar-date` AS picdate, `contact`.`addr`, `contact`.`url`, `user`.*
 252                                 FROM `profile`
 253                                 INNER JOIN `contact` ON `contact`.`uid` = `profile`.`uid` AND `contact`.`self`
 254                                 INNER JOIN `user` ON `profile`.`uid` = `user`.`uid`
 255                                 WHERE `user`.`nickname` = ? AND `profile`.`is-default` LIMIT 1",
 256                                 $nickname
 257                         );
 258                 }
 259
 260                 return $profile;
 261         }
 262
 263         /**
 264          * Formats a profile for display in the sidebar.
 265          *
 266          * It is very difficult to templatise the HTML completely
 267          * because of all the conditional logic.
 268          *
 269          * @brief Formats a profile for display in the sidebar.
 270          * @param array $profile
 271          * @param int $block
 272          * @param boolean $show_connect Show connect link
 273          *
 274          * @return string HTML sidebar module
 275          *
 276          * @note Returns empty string if passed $profile is wrong type or not populated
 277          *
 278          * @hooks 'profile_sidebar_enter'
 279          *      array $profile - profile data
 280          * @hooks 'profile_sidebar'
 281          *      array $arr
 282          */
 283         private static function sidebar($profile, $block = 0, $show_connect = true)
 284         {
 285                 $a = get_app();
 286
 287                 $o = '';
 288                 $location = false;
 289
 290                 // This function can also use contact information in $profile
 291                 $is_contact = !empty($profile['cid']);
 292
 293                 if (!is_array($profile) && !count($profile)) {
 294                         return $o;
 295                 }
 296
 297                 $profile['picdate'] = urlencode(defaults($profile, 'picdate', ''));
 298
 299                 if (($profile['network'] != '') && ($profile['network'] != Protocol::DFRN)) {
 300                         $profile['network_name'] = Strings::formatNetworkName($profile['network'], $profile['url']);
 301                 } else {
 302                         $profile['network_name'] = '';
 303                 }
 304
 305                 Addon::callHooks('profile_sidebar_enter', $profile);
 306
 307
 308                 // don't show connect link to yourself
 309                 $connect = $profile['uid'] != local_user() ? L10n::t('Connect') : false;
 310
 311                 // don't show connect link to authenticated visitors either
 312                 if (remote_user() && !empty($_SESSION['remote'])) {
 313                         foreach ($_SESSION['remote'] as $visitor) {
 314                                 if ($visitor['uid'] == $profile['uid']) {
 315                                         $connect = false;
 316                                         break;
 317                                 }
 318                         }
 319                 }
 320
 321                 if (!$show_connect) {
 322                         $connect = false;
 323                 }
 324
 325                 $profile_url = '';
 326
 327                 // Is the local user already connected to that user?
 328                 if ($connect && local_user()) {
 329                         if (isset($profile['url'])) {
 330                                 $profile_url = Strings::normaliseLink($profile['url']);
 331                         } else {
 332                                 $profile_url = Strings::normaliseLink(System::baseUrl() . '/profile/' . $profile['nickname']);
 333                         }
 334
 335                         if (DBA::exists('contact', ['pending' => false, 'uid' => local_user(), 'nurl' => $profile_url])) {
 336                                 $connect = false;
 337                         }
 338                 }
 339
 340                 // Is the remote user already connected to that user?
 341                 if ($connect && Contact::isFollower(remote_user(), $profile['uid'])) {
 342                         $connect = false;
 343                 }
 344
 345                 if ($connect && ($profile['network'] != Protocol::DFRN) && !isset($profile['remoteconnect'])) {
 346                         $connect = false;
 347                 }
 348
 349                 $remoteconnect = null;
 350                 if (isset($profile['remoteconnect'])) {
 351                         $remoteconnect = $profile['remoteconnect'];
 352                 }
 353
 354                 if ($connect && ($profile['network'] == Protocol::DFRN) && !isset($remoteconnect)) {
 355                         $subscribe_feed = L10n::t('Atom feed');
 356                 } else {
 357                         $subscribe_feed = false;
 358                 }
 359
 360                 $wallmessage = false;
 361                 $wallmessage_link = false;
 362
 363                 // See issue https://github.com/friendica/friendica/issues/3838
 364                 // Either we remove the message link for remote users or we enable creating messages from remote users
 365                 if (remote_user() || (self::getMyURL() && !empty($profile['unkmail']) && ($profile['uid'] != local_user()))) {
 366                         $wallmessage = L10n::t('Message');
 367
 368                         if (remote_user()) {
 369                                 $r = q(
 370                                         "SELECT `url` FROM `contact` WHERE `uid` = %d AND `id` = '%s' AND `rel` = %d",
 371                                         intval($profile['uid']),
 372                                         intval(remote_user()),
 373                                         intval(Contact::FRIEND)
 374                                 );
 375                         } else {
 376                                 $r = q(
 377                                         "SELECT `url` FROM `contact` WHERE `uid` = %d AND `nurl` = '%s' AND `rel` = %d",
 378                                         intval($profile['uid']),
 379                                         DBA::escape(Strings::normaliseLink(self::getMyURL())),
 380                                         intval(Contact::FRIEND)
 381                                 );
 382                         }
 383                         if ($r) {
 384                                 $remote_url = $r[0]['url'];
 385                                 $message_path = preg_replace('=(.*)/profile/(.*)=ism', '$1/message/new/', $remote_url);
 386                                 $wallmessage_link = $message_path . base64_encode(defaults($profile, 'addr', ''));
 387                         } else if (!empty($profile['nickname'])) {
 388                                 $wallmessage_link = 'wallmessage/' . $profile['nickname'];
 389                         }
 390                 }
 391
 392                 // show edit profile to yourself
 393                 if (!$is_contact && $profile['uid'] == local_user() && Feature::isEnabled(local_user(), 'multi_profiles')) {
 394                         $profile['edit'] = [System::baseUrl() . '/profiles', L10n::t('Profiles'), '', L10n::t('Manage/edit profiles')];
 395                         $r = q(
 396                                 "SELECT * FROM `profile` WHERE `uid` = %d",
 397                                 local_user()
 398                         );
 399
 400                         $profile['menu'] = [
 401                                 'chg_photo' => L10n::t('Change profile photo'),
 402                                 'cr_new' => L10n::t('Create New Profile'),
 403                                 'entries' => [],
 404                         ];
 405
 406                         if (DBA::isResult($r)) {
 407                                 foreach ($r as $rr) {
 408                                         $profile['menu']['entries'][] = [
 409                                                 'photo' => $rr['thumb'],
 410                                                 'id' => $rr['id'],
 411                                                 'alt' => L10n::t('Profile Image'),
 412                                                 'profile_name' => $rr['profile-name'],
 413                                                 'isdefault' => $rr['is-default'],
 414                                                 'visibile_to_everybody' => L10n::t('visible to everybody'),
 415                                                 'edit_visibility' => L10n::t('Edit visibility'),
 416                                         ];
 417                                 }
 418                         }
 419                 }
 420                 if (!$is_contact && $profile['uid'] == local_user() && !Feature::isEnabled(local_user(), 'multi_profiles')) {
 421                         $profile['edit'] = [System::baseUrl() . '/profiles/' . $profile['id'], L10n::t('Edit profile'), '', L10n::t('Edit profile')];
 422                         $profile['menu'] = [
 423                                 'chg_photo' => L10n::t('Change profile photo'),
 424                                 'cr_new' => null,
 425                                 'entries' => [],
 426                         ];
 427                 }
 428
 429                 // Fetch the account type
 430                 $account_type = Contact::getAccountType($profile);
 431
 432                 if (!empty($profile['address'])
 433                         || !empty($profile['location'])
 434                         || !empty($profile['locality'])
 435                         || !empty($profile['region'])
 436                         || !empty($profile['postal-code'])
 437                         || !empty($profile['country-name'])
 438                 ) {
 439                         $location = L10n::t('Location:');
 440                 }
 441
 442                 $gender   = !empty($profile['gender'])   ? L10n::t('Gender:')   : false;
 443                 $marital  = !empty($profile['marital'])  ? L10n::t('Status:')   : false;
 444                 $homepage = !empty($profile['homepage']) ? L10n::t('Homepage:') : false;
 445                 $about    = !empty($profile['about'])    ? L10n::t('About:')    : false;
 446                 $xmpp     = !empty($profile['xmpp'])     ? L10n::t('XMPP:')     : false;
 447
 448                 if ((!empty($profile['hidewall']) || $block) && !local_user() && !remote_user()) {
 449                         $location = $gender = $marital = $homepage = $about = false;
 450                 }
 451
 452                 $split_name = Diaspora::splitName($profile['name']);
 453                 $firstname = $split_name['first'];
 454                 $lastname = $split_name['last'];
 455
 456                 if (!empty($profile['guid'])) {
 457                         $diaspora = [
 458                                 'guid' => $profile['guid'],
 459                                 'podloc' => System::baseUrl(),
 460                                 'searchable' => (($profile['publish'] && $profile['net-publish']) ? 'true' : 'false' ),
 461                                 'nickname' => $profile['nickname'],
 462                                 'fullname' => $profile['name'],
 463                                 'firstname' => $firstname,
 464                                 'lastname' => $lastname,
 465                                 'photo300' => defaults($profile, 'contact_photo', ''),
 466                                 'photo100' => defaults($profile, 'contact_thumb', ''),
 467                                 'photo50' => defaults($profile, 'contact_micro', ''),
 468                         ];
 469                 } else {
 470                         $diaspora = false;
 471                 }
 472
 473                 $contact_block = '';
 474                 $updated = '';
 475                 $contacts = 0;
 476                 if (!$block) {
 477                         $contact_block = HTML::contactBlock();
 478
 479                         if (is_array($a->profile) && !$a->profile['hide-friends']) {
 480                                 $r = q(
 481                                         "SELECT `gcontact`.`updated` FROM `contact` INNER JOIN `gcontact` WHERE `gcontact`.`nurl` = `contact`.`nurl` AND `self` AND `uid` = %d LIMIT 1",
 482                                         intval($a->profile['uid'])
 483                                 );
 484                                 if (DBA::isResult($r)) {
 485                                         $updated = date('c', strtotime($r[0]['updated']));
 486                                 }
 487
 488                                 $r = q(
 489                                         "SELECT COUNT(*) AS `total` FROM `contact`
 490                                         WHERE `uid` = %d
 491                                                 AND NOT `self` AND NOT `blocked` AND NOT `pending`
 492                                                 AND NOT `hidden` AND NOT `archive`
 493                                                 AND `network` IN ('%s', '%s', '%s', '')",
 494                                         intval($profile['uid']),
 495                                         DBA::escape(Protocol::DFRN),
 496                                         DBA::escape(Protocol::DIASPORA),
 497                                         DBA::escape(Protocol::OSTATUS)
 498                                 );
 499                                 if (DBA::isResult($r)) {
 500                                         $contacts = intval($r[0]['total']);
 501                                 }
 502                         }
 503                 }
 504
 505                 $p = [];
 506                 foreach ($profile as $k => $v) {
 507                         $k = str_replace('-', '_', $k);
 508                         $p[$k] = $v;
 509                 }
 510
 511                 if (isset($p['about'])) {
 512                         $p['about'] = BBCode::convert($p['about']);
 513                 }
 514
 515                 if (isset($p['address'])) {
 516                         $p['address'] = BBCode::convert($p['address']);
 517                 } elseif (isset($p['location'])) {
 518                         $p['address'] = BBCode::convert($p['location']);
 519                 }
 520
 521                 if (isset($p['photo'])) {
 522                         $p['photo'] = ProxyUtils::proxifyUrl($p['photo'], false, ProxyUtils::SIZE_SMALL);
 523                 }
 524
 525                 $p['url'] = Contact::magicLink(defaults($p, 'url', $profile_url));
 526
 527                 $tpl = Renderer::getMarkupTemplate('profile_vcard.tpl');
 528                 $o .= Renderer::replaceMacros($tpl, [
 529                         '$profile' => $p,
 530                         '$xmpp' => $xmpp,
 531                         '$connect' => $connect,
 532                         '$remoteconnect' => $remoteconnect,
 533                         '$subscribe_feed' => $subscribe_feed,
 534                         '$wallmessage' => $wallmessage,
 535                         '$wallmessage_link' => $wallmessage_link,
 536                         '$account_type' => $account_type,
 537                         '$location' => $location,
 538                         '$gender' => $gender,
 539                         '$marital' => $marital,
 540                         '$homepage' => $homepage,
 541                         '$about' => $about,
 542                         '$network' => L10n::t('Network:'),
 543                         '$contacts' => $contacts,
 544                         '$updated' => $updated,
 545                         '$diaspora' => $diaspora,
 546                         '$contact_block' => $contact_block,
 547                 ]);
 548
 549                 $arr = ['profile' => &$profile, 'entry' => &$o];
 550
 551                 Addon::callHooks('profile_sidebar', $arr);
 552
 553                 return $o;
 554         }
 555
 556         public static function getBirthdays()
 557         {
 558                 $a = get_app();
 559                 $o = '';
 560
 561                 if (!local_user() || $a->is_mobile || $a->is_tablet) {
 562                         return $o;
 563                 }
 564
 565                 /*
 566                 * $mobile_detect = new Mobile_Detect();
 567                 * $is_mobile = $mobile_detect->isMobile() || $mobile_detect->isTablet();
 568                 *               if ($is_mobile)
 569                 *                       return $o;
 570                 */
 571
 572                 $bd_format = L10n::t('g A l F d'); // 8 AM Friday January 18
 573                 $bd_short = L10n::t('F d');
 574
 575                 $cachekey = 'get_birthdays:' . local_user();
 576                 $r = Cache::get($cachekey);
 577                 if (is_null($r)) {
 578                         $s = DBA::p(
 579                                 "SELECT `event`.*, `event`.`id` AS `eid`, `contact`.* FROM `event`
 580                                 INNER JOIN `contact`
 581                                         ON `contact`.`id` = `event`.`cid`
 582                                         AND (`contact`.`rel` = ? OR `contact`.`rel` = ?)
 583                                         AND NOT `contact`.`pending`
 584                                         AND NOT `contact`.`hidden`
 585                                         AND NOT `contact`.`blocked`
 586                                         AND NOT `contact`.`archive`
 587                                         AND NOT `contact`.`deleted`
 588                                 WHERE `event`.`uid` = ? AND `type` = 'birthday' AND `start` < ? AND `finish` > ?
 589                                 ORDER BY `start` ASC ",
 590                                 Contact::SHARING,
 591                                 Contact::FRIEND,
 592                                 local_user(),
 593                                 DateTimeFormat::utc('now + 6 days'),
 594                                 DateTimeFormat::utcNow()
 595                         );
 596                         if (DBA::isResult($s)) {
 597                                 $r = DBA::toArray($s);
 598                                 Cache::set($cachekey, $r, Cache::HOUR);
 599                         }
 600                 }
 601
 602                 $total = 0;
 603                 $classtoday = '';
 604                 if (DBA::isResult($r)) {
 605                         $now = strtotime('now');
 606                         $cids = [];
 607
 608                         $istoday = false;
 609                         foreach ($r as $rr) {
 610                                 if (strlen($rr['name'])) {
 611                                         $total ++;
 612                                 }
 613                                 if ((strtotime($rr['start'] . ' +00:00') < $now) && (strtotime($rr['finish'] . ' +00:00') > $now)) {
 614                                         $istoday = true;
 615                                 }
 616                         }
 617                         $classtoday = $istoday ? ' birthday-today ' : '';
 618                         if ($total) {
 619                                 foreach ($r as &$rr) {
 620                                         if (!strlen($rr['name'])) {
 621                                                 continue;
 622                                         }
 623
 624                                         // avoid duplicates
 625
 626                                         if (in_array($rr['cid'], $cids)) {
 627                                                 continue;
 628                                         }
 629                                         $cids[] = $rr['cid'];
 630
 631                                         $today = (((strtotime($rr['start'] . ' +00:00') < $now) && (strtotime($rr['finish'] . ' +00:00') > $now)) ? true : false);
 632
 633                                         $rr['link'] = Contact::magicLink($rr['url']);
 634                                         $rr['title'] = $rr['name'];
 635                                         $rr['date'] = L10n::getDay(DateTimeFormat::convert($rr['start'], $a->timezone, 'UTC', $rr['adjust'] ? $bd_format : $bd_short)) . (($today) ? ' ' . L10n::t('[today]') : '');
 636                                         $rr['startime'] = null;
 637                                         $rr['today'] = $today;
 638                                 }
 639                         }
 640                 }
 641                 $tpl = Renderer::getMarkupTemplate('birthdays_reminder.tpl');
 642                 return Renderer::replaceMacros($tpl, [
 643                         '$baseurl' => System::baseUrl(),
 644                         '$classtoday' => $classtoday,
 645                         '$count' => $total,
 646                         '$event_reminders' => L10n::t('Birthday Reminders'),
 647                         '$event_title' => L10n::t('Birthdays this week:'),
 648                         '$events' => $r,
 649                         '$lbr' => '{', // raw brackets mess up if/endif macro processing
 650                         '$rbr' => '}'
 651                 ]);
 652         }
 653
 654         public static function getEventsReminderHTML()
 655         {
 656                 $a = get_app();
 657                 $o = '';
 658
 659                 if (!local_user() || $a->is_mobile || $a->is_tablet) {
 660                         return $o;
 661                 }
 662
 663                 /*
 664                 *       $mobile_detect = new Mobile_Detect();
 665                 *               $is_mobile = $mobile_detect->isMobile() || $mobile_detect->isTablet();
 666                 *               if ($is_mobile)
 667                 *                       return $o;
 668                 */
 669
 670                 $bd_format = L10n::t('g A l F d'); // 8 AM Friday January 18
 671                 $classtoday = '';
 672
 673                 $condition = ["`uid` = ? AND `type` != 'birthday' AND `start` < ? AND `start` >= ?",
 674                         local_user(), DateTimeFormat::utc('now + 7 days'), DateTimeFormat::utc('now - 1 days')];
 675                 $s = DBA::select('event', [], $condition, ['order' => ['start']]);
 676
 677                 $r = [];
 678
 679                 if (DBA::isResult($s)) {
 680                         $istoday = false;
 681                         $total = 0;
 682
 683                         while ($rr = DBA::fetch($s)) {
 684                                 $condition = ['parent-uri' => $rr['uri'], 'uid' => $rr['uid'], 'author-id' => public_contact(),
 685                                         'activity' => [Item::activityToIndex(ACTIVITY_ATTEND), Item::activityToIndex(ACTIVITY_ATTENDMAYBE)],
 686                                         'visible' => true, 'deleted' => false];
 687                                 if (!Item::exists($condition)) {
 688                                         continue;
 689                                 }
 690
 691                                 if (strlen($rr['summary'])) {
 692                                         $total++;
 693                                 }
 694
 695                                 $strt = DateTimeFormat::convert($rr['start'], $rr['adjust'] ? $a->timezone : 'UTC', 'UTC', 'Y-m-d');
 696                                 if ($strt === DateTimeFormat::timezoneNow($a->timezone, 'Y-m-d')) {
 697                                         $istoday = true;
 698                                 }
 699
 700                                 $title = strip_tags(html_entity_decode(BBCode::convert($rr['summary']), ENT_QUOTES, 'UTF-8'));
 701
 702                                 if (strlen($title) > 35) {
 703                                         $title = substr($title, 0, 32) . '... ';
 704                                 }
 705
 706                                 $description = substr(strip_tags(BBCode::convert($rr['desc'])), 0, 32) . '... ';
 707                                 if (!$description) {
 708                                         $description = L10n::t('[No description]');
 709                                 }
 710
 711                                 $strt = DateTimeFormat::convert($rr['start'], $rr['adjust'] ? $a->timezone : 'UTC');
 712
 713                                 if (substr($strt, 0, 10) < DateTimeFormat::timezoneNow($a->timezone, 'Y-m-d')) {
 714                                         continue;
 715                                 }
 716
 717                                 $today = ((substr($strt, 0, 10) === DateTimeFormat::timezoneNow($a->timezone, 'Y-m-d')) ? true : false);
 718
 719                                 $rr['title'] = $title;
 720                                 $rr['description'] = $description;
 721                                 $rr['date'] = L10n::getDay(DateTimeFormat::convert($rr['start'], $rr['adjust'] ? $a->timezone : 'UTC', 'UTC', $bd_format)) . (($today) ? ' ' . L10n::t('[today]') : '');
 722                                 $rr['startime'] = $strt;
 723                                 $rr['today'] = $today;
 724
 725                                 $r[] = $rr;
 726                         }
 727                         DBA::close($s);
 728                         $classtoday = (($istoday) ? 'event-today' : '');
 729                 }
 730                 $tpl = Renderer::getMarkupTemplate('events_reminder.tpl');
 731                 return Renderer::replaceMacros($tpl, [
 732                         '$baseurl' => System::baseUrl(),
 733                         '$classtoday' => $classtoday,
 734                         '$count' => count($r),
 735                         '$event_reminders' => L10n::t('Event Reminders'),
 736                         '$event_title' => L10n::t('Upcoming events the next 7 days:'),
 737                         '$events' => $r,
 738                 ]);
 739         }
 740
 741         public static function getAdvanced(App $a)
 742         {
 743                 $o = '';
 744                 $uid = $a->profile['uid'];
 745
 746                 $o .= Renderer::replaceMacros(
 747                         Renderer::getMarkupTemplate('section_title.tpl'),
 748                         ['$title' => L10n::t('Profile')]
 749                 );
 750
 751                 if ($a->profile['name']) {
 752                         $tpl = Renderer::getMarkupTemplate('profile_advanced.tpl');
 753
 754                         $profile = [];
 755
 756                         $profile['fullname'] = [L10n::t('Full Name:'), $a->profile['name']];
 757
 758                         if (Feature::isEnabled($uid, 'profile_membersince')) {
 759                                 $profile['membersince'] = [L10n::t('Member since:'), DateTimeFormat::local($a->profile['register_date'])];
 760                         }
 761
 762                         if ($a->profile['gender']) {
 763                                 $profile['gender'] = [L10n::t('Gender:'), $a->profile['gender']];
 764                         }
 765
 766                         if (!empty($a->profile['dob']) && $a->profile['dob'] > DBA::NULL_DATE) {
 767                                 $year_bd_format = L10n::t('j F, Y');
 768                                 $short_bd_format = L10n::t('j F');
 769
 770                                 $val = L10n::getDay(
 771                                         intval($a->profile['dob']) ?
 772                                                 DateTimeFormat::utc($a->profile['dob'] . ' 00:00 +00:00', $year_bd_format)
 773                                                 : DateTimeFormat::utc('2001-' . substr($a->profile['dob'], 5) . ' 00:00 +00:00', $short_bd_format)
 774                                 );
 775
 776                                 $profile['birthday'] = [L10n::t('Birthday:'), $val];
 777                         }
 778
 779                         if (!empty($a->profile['dob'])
 780                                 && $a->profile['dob'] > DBA::NULL_DATE
 781                                 && $age = Temporal::getAgeByTimezone($a->profile['dob'], $a->profile['timezone'], '')
 782                         ) {
 783                                 $profile['age'] = [L10n::t('Age:'), $age];
 784                         }
 785
 786                         if ($a->profile['marital']) {
 787                                 $profile['marital'] = [L10n::t('Status:'), $a->profile['marital']];
 788                         }
 789
 790                         /// @TODO Maybe use x() here, plus below?
 791                         if ($a->profile['with']) {
 792                                 $profile['marital']['with'] = $a->profile['with'];
 793                         }
 794
 795                         if (strlen($a->profile['howlong']) && $a->profile['howlong'] >= DBA::NULL_DATETIME) {
 796                                 $profile['howlong'] = Temporal::getRelativeDate($a->profile['howlong'], L10n::t('for %1$d %2$s'));
 797                         }
 798
 799                         if ($a->profile['sexual']) {
 800                                 $profile['sexual'] = [L10n::t('Sexual Preference:'), $a->profile['sexual']];
 801                         }
 802
 803                         if ($a->profile['homepage']) {
 804                                 $profile['homepage'] = [L10n::t('Homepage:'), HTML::toLink($a->profile['homepage'])];
 805                         }
 806
 807                         if ($a->profile['hometown']) {
 808                                 $profile['hometown'] = [L10n::t('Hometown:'), HTML::toLink($a->profile['hometown'])];
 809                         }
 810
 811                         if ($a->profile['pub_keywords']) {
 812                                 $profile['pub_keywords'] = [L10n::t('Tags:'), $a->profile['pub_keywords']];
 813                         }
 814
 815                         if ($a->profile['politic']) {
 816                                 $profile['politic'] = [L10n::t('Political Views:'), $a->profile['politic']];
 817                         }
 818
 819                         if ($a->profile['religion']) {
 820                                 $profile['religion'] = [L10n::t('Religion:'), $a->profile['religion']];
 821                         }
 822
 823                         if ($txt = prepare_text($a->profile['about'])) {
 824                                 $profile['about'] = [L10n::t('About:'), $txt];
 825                         }
 826
 827                         if ($txt = prepare_text($a->profile['interest'])) {
 828                                 $profile['interest'] = [L10n::t('Hobbies/Interests:'), $txt];
 829                         }
 830
 831                         if ($txt = prepare_text($a->profile['likes'])) {
 832                                 $profile['likes'] = [L10n::t('Likes:'), $txt];
 833                         }
 834
 835                         if ($txt = prepare_text($a->profile['dislikes'])) {
 836                                 $profile['dislikes'] = [L10n::t('Dislikes:'), $txt];
 837                         }
 838
 839                         if ($txt = prepare_text($a->profile['contact'])) {
 840                                 $profile['contact'] = [L10n::t('Contact information and Social Networks:'), $txt];
 841                         }
 842
 843                         if ($txt = prepare_text($a->profile['music'])) {
 844                                 $profile['music'] = [L10n::t('Musical interests:'), $txt];
 845                         }
 846
 847                         if ($txt = prepare_text($a->profile['book'])) {
 848                                 $profile['book'] = [L10n::t('Books, literature:'), $txt];
 849                         }
 850
 851                         if ($txt = prepare_text($a->profile['tv'])) {
 852                                 $profile['tv'] = [L10n::t('Television:'), $txt];
 853                         }
 854
 855                         if ($txt = prepare_text($a->profile['film'])) {
 856                                 $profile['film'] = [L10n::t('Film/dance/culture/entertainment:'), $txt];
 857                         }
 858
 859                         if ($txt = prepare_text($a->profile['romance'])) {
 860                                 $profile['romance'] = [L10n::t('Love/Romance:'), $txt];
 861                         }
 862
 863                         if ($txt = prepare_text($a->profile['work'])) {
 864                                 $profile['work'] = [L10n::t('Work/employment:'), $txt];
 865                         }
 866
 867                         if ($txt = prepare_text($a->profile['education'])) {
 868                                 $profile['education'] = [L10n::t('School/education:'), $txt];
 869                         }
 870
 871                         //show subcribed forum if it is enabled in the usersettings
 872                         if (Feature::isEnabled($uid, 'forumlist_profile')) {
 873                                 $profile['forumlist'] = [L10n::t('Forums:'), ForumManager::profileAdvanced($uid)];
 874                         }
 875
 876                         if ($a->profile['uid'] == local_user()) {
 877                                 $profile['edit'] = [System::baseUrl() . '/profiles/' . $a->profile['id'], L10n::t('Edit profile'), '', L10n::t('Edit profile')];
 878                         }
 879
 880                         return Renderer::replaceMacros($tpl, [
 881                                 '$title' => L10n::t('Profile'),
 882                                 '$basic' => L10n::t('Basic'),
 883                                 '$advanced' => L10n::t('Advanced'),
 884                                 '$profile' => $profile
 885                         ]);
 886                 }
 887
 888                 return '';
 889         }
 890
 891         public static function getTabs($a, $is_owner = false, $nickname = null)
 892         {
 893                 if (is_null($nickname)) {
 894                         $nickname = $a->user['nickname'];
 895                 }
 896
 897                 $tab = false;
 898                 if (!empty($_GET['tab'])) {
 899                         $tab = Strings::escapeTags(trim($_GET['tab']));
 900                 }
 901
 902                 $url = System::baseUrl() . '/profile/' . $nickname;
 903
 904                 $tabs = [
 905                         [
 906                                 'label' => L10n::t('Status'),
 907                                 'url'   => $url,
 908                                 'sel'   => !$tab && $a->argv[0] == 'profile' ? 'active' : '',
 909                                 'title' => L10n::t('Status Messages and Posts'),
 910                                 'id'    => 'status-tab',
 911                                 'accesskey' => 'm',
 912                         ],
 913                         [
 914                                 'label' => L10n::t('Profile'),
 915                                 'url'   => $url . '/?tab=profile',
 916                                 'sel'   => $tab == 'profile' ? 'active' : '',
 917                                 'title' => L10n::t('Profile Details'),
 918                                 'id'    => 'profile-tab',
 919                                 'accesskey' => 'r',
 920                         ],
 921                         [
 922                                 'label' => L10n::t('Photos'),
 923                                 'url'   => System::baseUrl() . '/photos/' . $nickname,
 924                                 'sel'   => !$tab && $a->argv[0] == 'photos' ? 'active' : '',
 925                                 'title' => L10n::t('Photo Albums'),
 926                                 'id'    => 'photo-tab',
 927                                 'accesskey' => 'h',
 928                         ],
 929                         [
 930                                 'label' => L10n::t('Videos'),
 931                                 'url'   => System::baseUrl() . '/videos/' . $nickname,
 932                                 'sel'   => !$tab && $a->argv[0] == 'videos' ? 'active' : '',
 933                                 'title' => L10n::t('Videos'),
 934                                 'id'    => 'video-tab',
 935                                 'accesskey' => 'v',
 936                         ],
 937                 ];
 938
 939                 // the calendar link for the full featured events calendar
 940                 if ($is_owner && $a->theme_events_in_profile) {
 941                         $tabs[] = [
 942                                 'label' => L10n::t('Events'),
 943                                 'url'   => System::baseUrl() . '/events',
 944                                 'sel'   => !$tab && $a->argv[0] == 'events' ? 'active' : '',
 945                                 'title' => L10n::t('Events and Calendar'),
 946                                 'id'    => 'events-tab',
 947                                 'accesskey' => 'e',
 948                         ];
 949                         // if the user is not the owner of the calendar we only show a calendar
 950                         // with the public events of the calendar owner
 951                 } elseif (!$is_owner) {
 952                         $tabs[] = [
 953                                 'label' => L10n::t('Events'),
 954                                 'url'   => System::baseUrl() . '/cal/' . $nickname,
 955                                 'sel'   => !$tab && $a->argv[0] == 'cal' ? 'active' : '',
 956                                 'title' => L10n::t('Events and Calendar'),
 957                                 'id'    => 'events-tab',
 958                                 'accesskey' => 'e',
 959                         ];
 960                 }
 961
 962                 if ($is_owner) {
 963                         $tabs[] = [
 964                                 'label' => L10n::t('Personal Notes'),
 965                                 'url'   => System::baseUrl() . '/notes',
 966                                 'sel'   => !$tab && $a->argv[0] == 'notes' ? 'active' : '',
 967                                 'title' => L10n::t('Only You Can See This'),
 968                                 'id'    => 'notes-tab',
 969                                 'accesskey' => 't',
 970                         ];
 971                 }
 972
 973                 if (!empty($_SESSION['new_member']) && $is_owner) {
 974                         $tabs[] = [
 975                                 'label' => L10n::t('Tips for New Members'),
 976                                 'url'   => System::baseUrl() . '/newmember',
 977                                 'sel'   => false,
 978                                 'title' => L10n::t('Tips for New Members'),
 979                                 'id'    => 'newmember-tab',
 980                         ];
 981                 }
 982
 983                 if (!$is_owner && empty($a->profile['hide-friends'])) {
 984                         $tabs[] = [
 985                                 'label' => L10n::t('Contacts'),
 986                                 'url'   => System::baseUrl() . '/viewcontacts/' . $nickname,
 987                                 'sel'   => !$tab && $a->argv[0] == 'viewcontacts' ? 'active' : '',
 988                                 'title' => L10n::t('Contacts'),
 989                                 'id'    => 'viewcontacts-tab',
 990                                 'accesskey' => 'k',
 991                         ];
 992                 }
 993
 994                 $arr = ['is_owner' => $is_owner, 'nickname' => $nickname, 'tab' => $tab, 'tabs' => $tabs];
 995                 Addon::callHooks('profile_tabs', $arr);
 996
 997                 $tpl = Renderer::getMarkupTemplate('common_tabs.tpl');
 998
 999                 return Renderer::replaceMacros($tpl, ['$tabs' => $arr['tabs']]);
1000         }
1001
1002         /**
1003          * Retrieves the my_url session variable
1004          *
1005          * @return string
1006          */
1007         public static function getMyURL()
1008         {
1009                 if (!empty($_SESSION['my_url'])) {
1010                         return $_SESSION['my_url'];
1011                 }
1012                 return null;
1013         }
1014
1015         /**
1016          * Process the 'zrl' parameter and initiate the remote authentication.
1017          *
1018          * This method checks if the visitor has a public contact entry and
1019          * redirects the visitor to his/her instance to start the magic auth (Authentication)
1020          * process.
1021          *
1022          * Ported from Hubzilla: https://framagit.org/hubzilla/core/blob/master/include/channel.php
1023          *
1024          * @param App $a Application instance.
1025          */
1026         public static function zrlInit(App $a)
1027         {
1028                 $my_url = self::getMyURL();
1029                 $my_url = Network::isUrlValid($my_url);
1030
1031                 if (empty($my_url) || local_user()) {
1032                         return;
1033                 }
1034
1035                 $arr = ['zrl' => $my_url, 'url' => $a->cmd];
1036                 Addon::callHooks('zrl_init', $arr);
1037
1038                 // Try to find the public contact entry of the visitor.
1039                 $cid = Contact::getIdForURL($my_url);
1040                 if (!$cid) {
1041                         Logger::log('No contact record found for ' . $my_url, Logger::DEBUG);
1042                         return;
1043                 }
1044
1045                 $contact = DBA::selectFirst('contact',['id', 'url'], ['id' => $cid]);
1046
1047                 if (DBA::isResult($contact) && remote_user() && remote_user() == $contact['id']) {
1048                         Logger::log('The visitor ' . $my_url . ' is already authenticated', Logger::DEBUG);
1049                         return;
1050                 }
1051
1052                 // Avoid endless loops
1053                 $cachekey = 'zrlInit:' . $my_url;
1054                 if (Cache::get($cachekey)) {
1055                         Logger::log('URL ' . $my_url . ' already tried to authenticate.', Logger::DEBUG);
1056                         return;
1057                 } else {
1058                         Cache::set($cachekey, true, Cache::MINUTE);
1059                 }
1060
1061                 Logger::log('Not authenticated. Invoking reverse magic-auth for ' . $my_url, Logger::DEBUG);
1062
1063                 Worker::add(PRIORITY_LOW, 'GProbe', $my_url);
1064
1065                 // Try to avoid recursion - but send them home to do a proper magic auth.
1066                 $query = str_replace(array('?zrl=', '&zid='), array('?rzrl=', '&rzrl='), $a->query_string);
1067                 // The other instance needs to know where to redirect.
1068                 $dest = urlencode($a->getBaseURL() . '/' . $query);
1069
1070                 // We need to extract the basebath from the profile url
1071                 // to redirect the visitors '/magic' module.
1072                 // Note: We should have the basepath of a contact also in the contact table.
1073                 $urlarr = explode('/profile/', $contact['url']);
1074                 $basepath = $urlarr[0];
1075
1076                 if ($basepath != $a->getBaseURL() && !strstr($dest, '/magic') && !strstr($dest, '/rmagic')) {
1077                         $magic_path = $basepath . '/magic' . '?f=&owa=1&dest=' . $dest;
1078
1079                         // We have to check if the remote server does understand /magic without invoking something
1080                         $serverret = Network::curl($basepath . '/magic');
1081                         if ($serverret->isSuccess()) {
1082                                 Logger::log('Doing magic auth for visitor ' . $my_url . ' to ' . $magic_path, Logger::DEBUG);
1083                                 System::externalRedirect($magic_path);
1084                         }
1085                 }
1086         }
1087
1088         /**
1089          * OpenWebAuth authentication.
1090          *
1091          * Ported from Hubzilla: https://framagit.org/hubzilla/core/blob/master/include/zid.php
1092          *
1093          * @param string $token
1094          */
1095         public static function openWebAuthInit($token)
1096         {
1097                 $a = get_app();
1098
1099                 // Clean old OpenWebAuthToken entries.
1100                 OpenWebAuthToken::purge('owt', '3 MINUTE');
1101
1102                 // Check if the token we got is the same one
1103                 // we have stored in the database.
1104                 $visitor_handle = OpenWebAuthToken::getMeta('owt', 0, $token);
1105
1106                 if($visitor_handle === false) {
1107                         return;
1108                 }
1109
1110                 // Try to find the public contact entry of the visitor.
1111                 $cid = Contact::getIdForURL($visitor_handle);
1112                 if(!$cid) {
1113                         Logger::log('owt: unable to finger ' . $visitor_handle, Logger::DEBUG);
1114                         return;
1115                 }
1116
1117                 $visitor = DBA::selectFirst('contact', [], ['id' => $cid]);
1118
1119                 // Authenticate the visitor.
1120                 $_SESSION['authenticated'] = 1;
1121                 $_SESSION['visitor_id'] = $visitor['id'];
1122                 $_SESSION['visitor_handle'] = $visitor['addr'];
1123                 $_SESSION['visitor_home'] = $visitor['url'];
1124                 $_SESSION['my_url'] = $visitor['url'];
1125
1126                 $arr = [
1127                         'visitor' => $visitor,
1128                         'url' => $a->query_string
1129                 ];
1130                 /**
1131                  * @hooks magic_auth_success
1132                  *   Called when a magic-auth was successful.
1133                  *   * \e array \b visitor
1134                  *   * \e string \b url
1135                  */
1136                 Addon::callHooks('magic_auth_success', $arr);
1137
1138                 $a->contact = $arr['visitor'];
1139
1140                 info(L10n::t('OpenWebAuth: %1$s welcomes %2$s', $a->getHostName(), $visitor['name']));
1141
1142                 Logger::log('OpenWebAuth: auth success from ' . $visitor['addr'], Logger::DEBUG);
1143         }
1144
1145         public static function zrl($s, $force = false)
1146         {
1147                 if (!strlen($s)) {
1148                         return $s;
1149                 }
1150                 if ((!strpos($s, '/profile/')) && (!$force)) {
1151                         return $s;
1152                 }
1153                 if ($force && substr($s, -1, 1) !== '/') {
1154                         $s = $s . '/';
1155                 }
1156                 $achar = strpos($s, '?') ? '&' : '?';
1157                 $mine = self::getMyURL();
1158                 if ($mine && !Strings::compareLink($mine, $s)) {
1159                         return $s . $achar . 'zrl=' . urlencode($mine);
1160                 }
1161                 return $s;
1162         }
1163
1164         /**
1165          * Get the user ID of the page owner.
1166          *
1167          * Used from within PCSS themes to set theme parameters. If there's a
1168          * puid request variable, that is the "page owner" and normally their theme
1169          * settings take precedence; unless a local user sets the "always_my_theme"
1170          * system pconfig, which means they don't want to see anybody else's theme
1171          * settings except their own while on this site.
1172          *
1173          * @brief Get the user ID of the page owner
1174          * @return int user ID
1175          *
1176          * @note Returns local_user instead of user ID if "always_my_theme"
1177          *      is set to true
1178          */
1179         public static function getThemeUid()
1180         {
1181                 $uid = (!empty($_REQUEST['puid']) ? intval($_REQUEST['puid']) : 0);
1182                 if ((local_user()) && ((PConfig::get(local_user(), 'system', 'always_my_theme')) || (!$uid))) {
1183                         return local_user();
1184                 }
1185
1186                 return $uid;
1187         }
1188
1189         /**
1190         * Stip zrl parameter from a string.
1191         *
1192         * @param string $s The input string.
1193         * @return string The zrl.
1194         */
1195         public static function stripZrls($s)
1196         {
1197                 return preg_replace('/[\?&]zrl=(.*?)([\?&]|$)/is', '', $s);
1198         }
1199
1200         /**
1201         * Stip query parameter from a string.
1202         *
1203         * @param string $s The input string.
1204         * @return string The query parameter.
1205         */
1206         public static function stripQueryParam($s, $param)
1207         {
1208                 return preg_replace('/[\?&]' . $param . '=(.*?)(&|$)/ism', '$2', $s);
1209         }
1210 }