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 class Profile
  32 {
  33         /**
  34          * @brief Returns default profile for a given user id
  35          *
  36          * @param integer User ID
  37          *
  38          * @return array Profile data
  39          */
  40         public static function getByUID($uid)
  41         {
  42                 $profile = DBA::selectFirst('profile', [], ['uid' => $uid, 'is-default' => true]);
  43                 return $profile;
  44         }
  45
  46         /**
  47          * @brief Returns a formatted location string from the given profile array
  48          *
  49          * @param array $profile Profile array (Generated from the "profile" table)
  50          *
  51          * @return string Location string
  52          */
  53         public static function formatLocation(array $profile)
  54         {
  55                 $location = '';
  56
  57                 if (!empty($profile['locality'])) {
  58                         $location .= $profile['locality'];
  59                 }
  60
  61                 if (!empty($profile['region']) && (defaults($profile, 'locality', '') != $profile['region'])) {
  62                         if ($location) {
  63                                 $location .= ', ';
  64                         }
  65
  66                         $location .= $profile['region'];
  67                 }
  68
  69                 if (!empty($profile['country-name'])) {
  70                         if ($location) {
  71                                 $location .= ', ';
  72                         }
  73
  74                         $location .= $profile['country-name'];
  75                 }
  76
  77                 return $location;
  78         }
  79
  80         /**
  81          *
  82          * Loads a profile into the page sidebar.
  83          *
  84          * The function requires a writeable copy of the main App structure, and the nickname
  85          * of a registered local account.
  86          *
  87          * If the viewer is an authenticated remote viewer, the profile displayed is the
  88          * one that has been configured for his/her viewing in the Contact manager.
  89          * Passing a non-zero profile ID can also allow a preview of a selected profile
  90          * by the owner.
  91          *
  92          * Profile information is placed in the App structure for later retrieval.
  93          * Honours the owner's chosen theme for display.
  94          *
  95          * @attention Should only be run in the _init() functions of a module. That ensures that
  96          *      the theme is chosen before the _init() function of a theme is run, which will usually
  97          *      load a lot of theme-specific content
  98          *
  99          * @brief Loads a profile into the page sidebar.
 100          * @param App     $a
 101          * @param string  $nickname     string
 102          * @param int     $profile      int
 103          * @param array   $profiledata  array
 104          * @param boolean $show_connect Show connect link
 105          */
 106         public static function load(App $a, $nickname, $profile = 0, array $profiledata = [], $show_connect = true)
 107         {
 108                 $user = DBA::selectFirst('user', ['uid'], ['nickname' => $nickname, 'account_removed' => false]);
 109
 110                 if (!DBA::isResult($user) && empty($profiledata)) {
 111                         Logger::log('profile error: ' . $a->query_string, Logger::DEBUG);
 112                         notice(L10n::t('Requested account is not available.') . EOL);
 113                         $a->error = 404;
 114                         return;
 115                 }
 116
 117                 if (count($profiledata) > 0) {
 118                         // Add profile data to sidebar
 119                         $a->page['aside'] .= self::sidebar($profiledata, true, $show_connect);
 120
 121                         if (!DBA::isResult($user)) {
 122                                 return;
 123                         }
 124                 }
 125
 126                 $pdata = self::getByNickname($nickname, $user['uid'], $profile);
 127
 128                 if (empty($pdata) && empty($profiledata)) {
 129                         Logger::log('profile error: ' . $a->query_string, Logger::DEBUG);
 130                         notice(L10n::t('Requested profile is not available.') . EOL);
 131                         $a->error = 404;
 132                         return;
 133                 }
 134
 135                 if (empty($pdata)) {
 136                         $pdata = ['uid' => 0, 'profile_uid' => 0, 'is-default' => false,'name' => $nickname];
 137                 }
 138
 139                 // fetch user tags if this isn't the default profile
 140
 141                 if (!$pdata['is-default']) {
 142                         $condition = ['uid' => $pdata['profile_uid'], 'is-default' => true];
 143                         $profile = DBA::selectFirst('profile', ['pub_keywords'], $condition);
 144                         if (DBA::isResult($profile)) {
 145                                 $pdata['pub_keywords'] = $profile['pub_keywords'];
 146                         }
 147                 }
 148
 149                 $a->profile = $pdata;
 150                 $a->profile_uid = $pdata['profile_uid'];
 151
 152                 $a->profile['mobile-theme'] = PConfig::get($a->profile['profile_uid'], 'system', 'mobile_theme');
 153                 $a->profile['network'] = Protocol::DFRN;
 154
 155                 $a->page['title'] = $a->profile['name'] . ' @ ' . Config::get('config', 'sitename');
 156
 157                 if (!$profiledata && !PConfig::get(local_user(), 'system', 'always_my_theme')) {
 158                         $_SESSION['theme'] = $a->profile['theme'];
 159                 }
 160
 161                 $_SESSION['mobile-theme'] = $a->profile['mobile-theme'];
 162
 163                 /*
 164                 * load/reload current theme info
 165                 */
 166
 167                 Renderer::setActiveTemplateEngine(); // reset the template engine to the default in case the user's theme doesn't specify one
 168
 169                 $theme_info_file = 'view/theme/' . $a->getCurrentTheme() . '/theme.php';
 170                 if (file_exists($theme_info_file)) {
 171                         require_once $theme_info_file;
 172                 }
 173
 174                 if (local_user() && local_user() == $a->profile['uid'] && $profiledata) {
 175                         $a->page['aside'] .= Renderer::replaceMacros(
 176                                 Renderer::getMarkupTemplate('profile_edlink.tpl'),
 177                                 [
 178                                         '$editprofile' => L10n::t('Edit profile'),
 179                                         '$profid' => $a->profile['id']
 180                                 ]
 181                         );
 182                 }
 183
 184                 $block = ((Config::get('system', 'block_public') && !local_user() && !remote_user()) ? true : false);
 185
 186                 /**
 187                  * @todo
 188                  * By now, the contact block isn't shown, when a different profile is given
 189                  * But: When this profile was on the same server, then we could display the contacts
 190                  */
 191                 if (!$profiledata) {
 192                         $a->page['aside'] .= self::sidebar($a->profile, $block, $show_connect);
 193                 }
 194
 195                 return;
 196         }
 197
 198         /**
 199          * Get all profile data of a local user
 200          *
 201          * If the viewer is an authenticated remote viewer, the profile displayed is the
 202          * one that has been configured for his/her viewing in the Contact manager.
 203          * Passing a non-zero profile ID can also allow a preview of a selected profile
 204          * by the owner
 205          *
 206          * Includes all available profile data
 207          *
 208          * @brief Get all profile data of a local user
 209          * @param string $nickname nick
 210          * @param int    $uid      uid
 211          * @param int    $profile_id  ID of the profile
 212          * @return array
 213          */
 214         public static function getByNickname($nickname, $uid = 0, $profile_id = 0)
 215         {
 216                 if (remote_user() && !empty($_SESSION['remote'])) {
 217                         foreach ($_SESSION['remote'] as $visitor) {
 218                                 if ($visitor['uid'] == $uid) {
 219                                         $contact = DBA::selectFirst('contact', ['profile-id'], ['id' => $visitor['cid']]);
 220                                         if (DBA::isResult($contact)) {
 221                                                 $profile_id = $contact['profile-id'];
 222                                         }
 223                                         break;
 224                                 }
 225                         }
 226                 }
 227
 228                 $profile = null;
 229
 230                 if ($profile_id) {
 231                         $profile = DBA::fetchFirst(
 232                                 "SELECT `contact`.`id` AS `contact_id`, `contact`.`photo` AS `contact_photo`,
 233                                         `contact`.`thumb` AS `contact_thumb`, `contact`.`micro` AS `contact_micro`,
 234                                         `profile`.`uid` AS `profile_uid`, `profile`.*,
 235                                         `contact`.`avatar-date` AS picdate, `contact`.`addr`, `contact`.`url`, `user`.*
 236                                 FROM `profile`
 237                                 INNER JOIN `contact` on `contact`.`uid` = `profile`.`uid` AND `contact`.`self`
 238                                 INNER JOIN `user` ON `profile`.`uid` = `user`.`uid`
 239                                 WHERE `user`.`nickname` = ? AND `profile`.`id` = ? LIMIT 1",
 240                                 $nickname,
 241                                 intval($profile_id)
 242                         );
 243                 }
 244                 if (!DBA::isResult($profile)) {
 245                         $profile = DBA::fetchFirst(
 246                                 "SELECT `contact`.`id` AS `contact_id`, `contact`.`photo` as `contact_photo`,
 247                                         `contact`.`thumb` AS `contact_thumb`, `contact`.`micro` AS `contact_micro`,
 248                                         `profile`.`uid` AS `profile_uid`, `profile`.*,
 249                                         `contact`.`avatar-date` AS picdate, `contact`.`addr`, `contact`.`url`, `user`.*
 250                                 FROM `profile`
 251                                 INNER JOIN `contact` ON `contact`.`uid` = `profile`.`uid` AND `contact`.`self`
 252                                 INNER JOIN `user` ON `profile`.`uid` = `user`.`uid`
 253                                 WHERE `user`.`nickname` = ? AND `profile`.`is-default` LIMIT 1",
 254                                 $nickname
 255                         );
 256                 }
 257
 258                 return $profile;
 259         }
 260
 261         /**
 262          * Formats a profile for display in the sidebar.
 263          *
 264          * It is very difficult to templatise the HTML completely
 265          * because of all the conditional logic.
 266          *
 267          * @brief Formats a profile for display in the sidebar.
 268          * @param array $profile
 269          * @param int $block
 270          * @param boolean $show_connect Show connect link
 271          *
 272          * @return string HTML sidebar module
 273          *
 274          * @note Returns empty string if passed $profile is wrong type or not populated
 275          *
 276          * @hooks 'profile_sidebar_enter'
 277          *      array $profile - profile data
 278          * @hooks 'profile_sidebar'
 279          *      array $arr
 280          */
 281         private static function sidebar($profile, $block = 0, $show_connect = true)
 282         {
 283                 $a = get_app();
 284
 285                 $o = '';
 286                 $location = false;
 287
 288                 // This function can also use contact information in $profile
 289                 $is_contact = !empty($profile['cid']);
 290
 291                 if (!is_array($profile) && !count($profile)) {
 292                         return $o;
 293                 }
 294
 295                 $profile['picdate'] = urlencode(defaults($profile, 'picdate', ''));
 296
 297                 if (($profile['network'] != '') && ($profile['network'] != Protocol::DFRN)) {
 298                         $profile['network_link'] = Strings::formatNetworkName($profile['network'], $profile['url']);
 299                 } else {
 300                         $profile['network_link'] = '';
 301                 }
 302
 303                 Addon::callHooks('profile_sidebar_enter', $profile);
 304
 305
 306                 // don't show connect link to yourself
 307                 $connect = $profile['uid'] != local_user() ? L10n::t('Connect') : false;
 308
 309                 // don't show connect link to authenticated visitors either
 310                 if (remote_user() && !empty($_SESSION['remote'])) {
 311                         foreach ($_SESSION['remote'] as $visitor) {
 312                                 if ($visitor['uid'] == $profile['uid']) {
 313                                         $connect = false;
 314                                         break;
 315                                 }
 316                         }
 317                 }
 318
 319                 if (!$show_connect) {
 320                         $connect = false;
 321                 }
 322
 323                 $profile_url = '';
 324
 325                 // Is the local user already connected to that user?
 326                 if ($connect && local_user()) {
 327                         if (isset($profile['url'])) {
 328                                 $profile_url = Strings::normaliseLink($profile['url']);
 329                         } else {
 330                                 $profile_url = Strings::normaliseLink(System::baseUrl() . '/profile/' . $profile['nickname']);
 331                         }
 332
 333                         if (DBA::exists('contact', ['pending' => false, 'uid' => local_user(), 'nurl' => $profile_url])) {
 334                                 $connect = false;
 335                         }
 336                 }
 337
 338                 // Is the remote user already connected to that user?
 339                 if ($connect && Contact::isFollower(remote_user(), $profile['uid'])) {
 340                         $connect = false;
 341                 }
 342
 343                 if ($connect && ($profile['network'] != Protocol::DFRN) && !isset($profile['remoteconnect'])) {
 344                         $connect = false;
 345                 }
 346
 347                 $remoteconnect = null;
 348                 if (isset($profile['remoteconnect'])) {
 349                         $remoteconnect = $profile['remoteconnect'];
 350                 }
 351
 352                 if ($connect && ($profile['network'] == Protocol::DFRN) && !isset($remoteconnect)) {
 353                         $subscribe_feed = L10n::t('Atom feed');
 354                 } else {
 355                         $subscribe_feed = false;
 356                 }
 357
 358                 $wallmessage = false;
 359                 $wallmessage_link = false;
 360
 361                 // See issue https://github.com/friendica/friendica/issues/3838
 362                 // Either we remove the message link for remote users or we enable creating messages from remote users
 363                 if (remote_user() || (self::getMyURL() && !empty($profile['unkmail']) && ($profile['uid'] != local_user()))) {
 364                         $wallmessage = L10n::t('Message');
 365
 366                         if (remote_user()) {
 367                                 $r = q(
 368                                         "SELECT `url` FROM `contact` WHERE `uid` = %d AND `id` = '%s' AND `rel` = %d",
 369                                         intval($profile['uid']),
 370                                         intval(remote_user()),
 371                                         intval(Contact::FRIEND)
 372                                 );
 373                         } else {
 374                                 $r = q(
 375                                         "SELECT `url` FROM `contact` WHERE `uid` = %d AND `nurl` = '%s' AND `rel` = %d",
 376                                         intval($profile['uid']),
 377                                         DBA::escape(Strings::normaliseLink(self::getMyURL())),
 378                                         intval(Contact::FRIEND)
 379                                 );
 380                         }
 381                         if ($r) {
 382                                 $remote_url = $r[0]['url'];
 383                                 $message_path = preg_replace('=(.*)/profile/(.*)=ism', '$1/message/new/', $remote_url);
 384                                 $wallmessage_link = $message_path . base64_encode(defaults($profile, 'addr', ''));
 385                         } else if (!empty($profile['nickname'])) {
 386                                 $wallmessage_link = 'wallmessage/' . $profile['nickname'];
 387                         }
 388                 }
 389
 390                 // show edit profile to yourself
 391                 if (!$is_contact && $profile['uid'] == local_user() && Feature::isEnabled(local_user(), 'multi_profiles')) {
 392                         $profile['edit'] = [System::baseUrl() . '/profiles', L10n::t('Profiles'), '', L10n::t('Manage/edit profiles')];
 393                         $r = q(
 394                                 "SELECT * FROM `profile` WHERE `uid` = %d",
 395                                 local_user()
 396                         );
 397
 398                         $profile['menu'] = [
 399                                 'chg_photo' => L10n::t('Change profile photo'),
 400                                 'cr_new' => L10n::t('Create New Profile'),
 401                                 'entries' => [],
 402                         ];
 403
 404                         if (DBA::isResult($r)) {
 405                                 foreach ($r as $rr) {
 406                                         $profile['menu']['entries'][] = [
 407                                                 'photo' => $rr['thumb'],
 408                                                 'id' => $rr['id'],
 409                                                 'alt' => L10n::t('Profile Image'),
 410                                                 'profile_name' => $rr['profile-name'],
 411                                                 'isdefault' => $rr['is-default'],
 412                                                 'visibile_to_everybody' => L10n::t('visible to everybody'),
 413                                                 'edit_visibility' => L10n::t('Edit visibility'),
 414                                         ];
 415                                 }
 416                         }
 417                 }
 418                 if (!$is_contact && $profile['uid'] == local_user() && !Feature::isEnabled(local_user(), 'multi_profiles')) {
 419                         $profile['edit'] = [System::baseUrl() . '/profiles/' . $profile['id'], L10n::t('Edit profile'), '', L10n::t('Edit profile')];
 420                         $profile['menu'] = [
 421                                 'chg_photo' => L10n::t('Change profile photo'),
 422                                 'cr_new' => null,
 423                                 'entries' => [],
 424                         ];
 425                 }
 426
 427                 // Fetch the account type
 428                 $account_type = Contact::getAccountType($profile);
 429
 430                 if (!empty($profile['address'])
 431                         || !empty($profile['location'])
 432                         || !empty($profile['locality'])
 433                         || !empty($profile['region'])
 434                         || !empty($profile['postal-code'])
 435                         || !empty($profile['country-name'])
 436                 ) {
 437                         $location = L10n::t('Location:');
 438                 }
 439
 440                 $gender   = !empty($profile['gender'])   ? L10n::t('Gender:')   : false;
 441                 $marital  = !empty($profile['marital'])  ? L10n::t('Status:')   : false;
 442                 $homepage = !empty($profile['homepage']) ? L10n::t('Homepage:') : false;
 443                 $about    = !empty($profile['about'])    ? L10n::t('About:')    : false;
 444                 $xmpp     = !empty($profile['xmpp'])     ? L10n::t('XMPP:')     : false;
 445
 446                 if ((!empty($profile['hidewall']) || $block) && !local_user() && !remote_user()) {
 447                         $location = $gender = $marital = $homepage = $about = false;
 448                 }
 449
 450                 $split_name = Diaspora::splitName($profile['name']);
 451                 $firstname = $split_name['first'];
 452                 $lastname = $split_name['last'];
 453
 454                 if (!empty($profile['guid'])) {
 455                         $diaspora = [
 456                                 'guid' => $profile['guid'],
 457                                 'podloc' => System::baseUrl(),
 458                                 'searchable' => (($profile['publish'] && $profile['net-publish']) ? 'true' : 'false' ),
 459                                 'nickname' => $profile['nickname'],
 460                                 'fullname' => $profile['name'],
 461                                 'firstname' => $firstname,
 462                                 'lastname' => $lastname,
 463                                 'photo300' => defaults($profile, 'contact_photo', ''),
 464                                 'photo100' => defaults($profile, 'contact_thumb', ''),
 465                                 'photo50' => defaults($profile, 'contact_micro', ''),
 466                         ];
 467                 } else {
 468                         $diaspora = false;
 469                 }
 470
 471                 $contact_block = '';
 472                 $updated = '';
 473                 $contacts = 0;
 474                 if (!$block) {
 475                         $contact_block = HTML::contactBlock();
 476
 477                         if (is_array($a->profile) && !$a->profile['hide-friends']) {
 478                                 $r = q(
 479                                         "SELECT `gcontact`.`updated` FROM `contact` INNER JOIN `gcontact` WHERE `gcontact`.`nurl` = `contact`.`nurl` AND `self` AND `uid` = %d LIMIT 1",
 480                                         intval($a->profile['uid'])
 481                                 );
 482                                 if (DBA::isResult($r)) {
 483                                         $updated = date('c', strtotime($r[0]['updated']));
 484                                 }
 485
 486                                 $r = q(
 487                                         "SELECT COUNT(*) AS `total` FROM `contact`
 488                                         WHERE `uid` = %d
 489                                                 AND NOT `self` AND NOT `blocked` AND NOT `pending`
 490                                                 AND NOT `hidden` AND NOT `archive`
 491                                                 AND `network` IN ('%s', '%s', '%s', '')",
 492                                         intval($profile['uid']),
 493                                         DBA::escape(Protocol::DFRN),
 494                                         DBA::escape(Protocol::DIASPORA),
 495                                         DBA::escape(Protocol::OSTATUS)
 496                                 );
 497                                 if (DBA::isResult($r)) {
 498                                         $contacts = intval($r[0]['total']);
 499                                 }
 500                         }
 501                 }
 502
 503                 $p = [];
 504                 foreach ($profile as $k => $v) {
 505                         $k = str_replace('-', '_', $k);
 506                         $p[$k] = $v;
 507                 }
 508
 509                 if (isset($p['about'])) {
 510                         $p['about'] = BBCode::convert($p['about']);
 511                 }
 512
 513                 if (empty($p['address']) && !empty($p['location'])) {
 514                         $p['address'] = $p['location'];
 515                 }
 516
 517                 if (isset($p['photo'])) {
 518                         $p['photo'] = ProxyUtils::proxifyUrl($p['photo'], false, ProxyUtils::SIZE_SMALL);
 519                 }
 520
 521                 $p['url'] = Contact::magicLink(defaults($p, 'url', $profile_url));
 522
 523                 $tpl = Renderer::getMarkupTemplate('profile_vcard.tpl');
 524                 $o .= Renderer::replaceMacros($tpl, [
 525                         '$profile' => $p,
 526                         '$xmpp' => $xmpp,
 527                         '$connect' => $connect,
 528                         '$remoteconnect' => $remoteconnect,
 529                         '$subscribe_feed' => $subscribe_feed,
 530                         '$wallmessage' => $wallmessage,
 531                         '$wallmessage_link' => $wallmessage_link,
 532                         '$account_type' => $account_type,
 533                         '$location' => $location,
 534                         '$gender' => $gender,
 535                         '$marital' => $marital,
 536                         '$homepage' => $homepage,
 537                         '$about' => $about,
 538                         '$network' => L10n::t('Network:'),
 539                         '$contacts' => $contacts,
 540                         '$updated' => $updated,
 541                         '$diaspora' => $diaspora,
 542                         '$contact_block' => $contact_block,
 543                 ]);
 544
 545                 $arr = ['profile' => &$profile, 'entry' => &$o];
 546
 547                 Addon::callHooks('profile_sidebar', $arr);
 548
 549                 return $o;
 550         }
 551
 552         public static function getBirthdays()
 553         {
 554                 $a = get_app();
 555                 $o = '';
 556
 557                 if (!local_user() || $a->is_mobile || $a->is_tablet) {
 558                         return $o;
 559                 }
 560
 561                 /*
 562                 * $mobile_detect = new Mobile_Detect();
 563                 * $is_mobile = $mobile_detect->isMobile() || $mobile_detect->isTablet();
 564                 *               if ($is_mobile)
 565                 *                       return $o;
 566                 */
 567
 568                 $bd_format = L10n::t('g A l F d'); // 8 AM Friday January 18
 569                 $bd_short = L10n::t('F d');
 570
 571                 $cachekey = 'get_birthdays:' . local_user();
 572                 $r = Cache::get($cachekey);
 573                 if (is_null($r)) {
 574                         $s = DBA::p(
 575                                 "SELECT `event`.*, `event`.`id` AS `eid`, `contact`.* FROM `event`
 576                                 INNER JOIN `contact`
 577                                         ON `contact`.`id` = `event`.`cid`
 578                                         AND (`contact`.`rel` = ? OR `contact`.`rel` = ?)
 579                                         AND NOT `contact`.`pending`
 580                                         AND NOT `contact`.`hidden`
 581                                         AND NOT `contact`.`blocked`
 582                                         AND NOT `contact`.`archive`
 583                                         AND NOT `contact`.`deleted`
 584                                 WHERE `event`.`uid` = ? AND `type` = 'birthday' AND `start` < ? AND `finish` > ?
 585                                 ORDER BY `start` ASC ",
 586                                 Contact::SHARING,
 587                                 Contact::FRIEND,
 588                                 local_user(),
 589                                 DateTimeFormat::utc('now + 6 days'),
 590                                 DateTimeFormat::utcNow()
 591                         );
 592                         if (DBA::isResult($s)) {
 593                                 $r = DBA::toArray($s);
 594                                 Cache::set($cachekey, $r, Cache::HOUR);
 595                         }
 596                 }
 597
 598                 $total = 0;
 599                 $classtoday = '';
 600                 if (DBA::isResult($r)) {
 601                         $now = strtotime('now');
 602                         $cids = [];
 603
 604                         $istoday = false;
 605                         foreach ($r as $rr) {
 606                                 if (strlen($rr['name'])) {
 607                                         $total ++;
 608                                 }
 609                                 if ((strtotime($rr['start'] . ' +00:00') < $now) && (strtotime($rr['finish'] . ' +00:00') > $now)) {
 610                                         $istoday = true;
 611                                 }
 612                         }
 613                         $classtoday = $istoday ? ' birthday-today ' : '';
 614                         if ($total) {
 615                                 foreach ($r as &$rr) {
 616                                         if (!strlen($rr['name'])) {
 617                                                 continue;
 618                                         }
 619
 620                                         // avoid duplicates
 621
 622                                         if (in_array($rr['cid'], $cids)) {
 623                                                 continue;
 624                                         }
 625                                         $cids[] = $rr['cid'];
 626
 627                                         $today = (((strtotime($rr['start'] . ' +00:00') < $now) && (strtotime($rr['finish'] . ' +00:00') > $now)) ? true : false);
 628
 629                                         $rr['link'] = Contact::magicLink($rr['url']);
 630                                         $rr['title'] = $rr['name'];
 631                                         $rr['date'] = L10n::getDay(DateTimeFormat::convert($rr['start'], $a->timezone, 'UTC', $rr['adjust'] ? $bd_format : $bd_short)) . (($today) ? ' ' . L10n::t('[today]') : '');
 632                                         $rr['startime'] = null;
 633                                         $rr['today'] = $today;
 634                                 }
 635                         }
 636                 }
 637                 $tpl = Renderer::getMarkupTemplate('birthdays_reminder.tpl');
 638                 return Renderer::replaceMacros($tpl, [
 639                         '$baseurl' => System::baseUrl(),
 640                         '$classtoday' => $classtoday,
 641                         '$count' => $total,
 642                         '$event_reminders' => L10n::t('Birthday Reminders'),
 643                         '$event_title' => L10n::t('Birthdays this week:'),
 644                         '$events' => $r,
 645                         '$lbr' => '{', // raw brackets mess up if/endif macro processing
 646                         '$rbr' => '}'
 647                 ]);
 648         }
 649
 650         public static function getEventsReminderHTML()
 651         {
 652                 $a = get_app();
 653                 $o = '';
 654
 655                 if (!local_user() || $a->is_mobile || $a->is_tablet) {
 656                         return $o;
 657                 }
 658
 659                 /*
 660                 *       $mobile_detect = new Mobile_Detect();
 661                 *               $is_mobile = $mobile_detect->isMobile() || $mobile_detect->isTablet();
 662                 *               if ($is_mobile)
 663                 *                       return $o;
 664                 */
 665
 666                 $bd_format = L10n::t('g A l F d'); // 8 AM Friday January 18
 667                 $classtoday = '';
 668
 669                 $condition = ["`uid` = ? AND `type` != 'birthday' AND `start` < ? AND `start` >= ?",
 670                         local_user(), DateTimeFormat::utc('now + 7 days'), DateTimeFormat::utc('now - 1 days')];
 671                 $s = DBA::select('event', [], $condition, ['order' => ['start']]);
 672
 673                 $r = [];
 674
 675                 if (DBA::isResult($s)) {
 676                         $istoday = false;
 677                         $total = 0;
 678
 679                         while ($rr = DBA::fetch($s)) {
 680                                 $condition = ['parent-uri' => $rr['uri'], 'uid' => $rr['uid'], 'author-id' => public_contact(),
 681                                         'activity' => [Item::activityToIndex(ACTIVITY_ATTEND), Item::activityToIndex(ACTIVITY_ATTENDMAYBE)],
 682                                         'visible' => true, 'deleted' => false];
 683                                 if (!Item::exists($condition)) {
 684                                         continue;
 685                                 }
 686
 687                                 if (strlen($rr['summary'])) {
 688                                         $total++;
 689                                 }
 690
 691                                 $strt = DateTimeFormat::convert($rr['start'], $rr['adjust'] ? $a->timezone : 'UTC', 'UTC', 'Y-m-d');
 692                                 if ($strt === DateTimeFormat::timezoneNow($a->timezone, 'Y-m-d')) {
 693                                         $istoday = true;
 694                                 }
 695
 696                                 $title = strip_tags(html_entity_decode(BBCode::convert($rr['summary']), ENT_QUOTES, 'UTF-8'));
 697
 698                                 if (strlen($title) > 35) {
 699                                         $title = substr($title, 0, 32) . '... ';
 700                                 }
 701
 702                                 $description = substr(strip_tags(BBCode::convert($rr['desc'])), 0, 32) . '... ';
 703                                 if (!$description) {
 704                                         $description = L10n::t('[No description]');
 705                                 }
 706
 707                                 $strt = DateTimeFormat::convert($rr['start'], $rr['adjust'] ? $a->timezone : 'UTC');
 708
 709                                 if (substr($strt, 0, 10) < DateTimeFormat::timezoneNow($a->timezone, 'Y-m-d')) {
 710                                         continue;
 711                                 }
 712
 713                                 $today = ((substr($strt, 0, 10) === DateTimeFormat::timezoneNow($a->timezone, 'Y-m-d')) ? true : false);
 714
 715                                 $rr['title'] = $title;
 716                                 $rr['description'] = $description;
 717                                 $rr['date'] = L10n::getDay(DateTimeFormat::convert($rr['start'], $rr['adjust'] ? $a->timezone : 'UTC', 'UTC', $bd_format)) . (($today) ? ' ' . L10n::t('[today]') : '');
 718                                 $rr['startime'] = $strt;
 719                                 $rr['today'] = $today;
 720
 721                                 $r[] = $rr;
 722                         }
 723                         DBA::close($s);
 724                         $classtoday = (($istoday) ? 'event-today' : '');
 725                 }
 726                 $tpl = Renderer::getMarkupTemplate('events_reminder.tpl');
 727                 return Renderer::replaceMacros($tpl, [
 728                         '$baseurl' => System::baseUrl(),
 729                         '$classtoday' => $classtoday,
 730                         '$count' => count($r),
 731                         '$event_reminders' => L10n::t('Event Reminders'),
 732                         '$event_title' => L10n::t('Upcoming events the next 7 days:'),
 733                         '$events' => $r,
 734                 ]);
 735         }
 736
 737         public static function getAdvanced(App $a)
 738         {
 739                 $o = '';
 740                 $uid = $a->profile['uid'];
 741
 742                 $o .= Renderer::replaceMacros(
 743                         Renderer::getMarkupTemplate('section_title.tpl'),
 744                         ['$title' => L10n::t('Profile')]
 745                 );
 746
 747                 if ($a->profile['name']) {
 748                         $tpl = Renderer::getMarkupTemplate('profile_advanced.tpl');
 749
 750                         $profile = [];
 751
 752                         $profile['fullname'] = [L10n::t('Full Name:'), $a->profile['name']];
 753
 754                         if (Feature::isEnabled($uid, 'profile_membersince')) {
 755                                 $profile['membersince'] = [L10n::t('Member since:'), DateTimeFormat::local($a->profile['register_date'])];
 756                         }
 757
 758                         if ($a->profile['gender']) {
 759                                 $profile['gender'] = [L10n::t('Gender:'), $a->profile['gender']];
 760                         }
 761
 762                         if (!empty($a->profile['dob']) && $a->profile['dob'] > DBA::NULL_DATE) {
 763                                 $year_bd_format = L10n::t('j F, Y');
 764                                 $short_bd_format = L10n::t('j F');
 765
 766                                 $val = L10n::getDay(
 767                                         intval($a->profile['dob']) ?
 768                                                 DateTimeFormat::utc($a->profile['dob'] . ' 00:00 +00:00', $year_bd_format)
 769                                                 : DateTimeFormat::utc('2001-' . substr($a->profile['dob'], 5) . ' 00:00 +00:00', $short_bd_format)
 770                                 );
 771
 772                                 $profile['birthday'] = [L10n::t('Birthday:'), $val];
 773                         }
 774
 775                         if (!empty($a->profile['dob'])
 776                                 && $a->profile['dob'] > DBA::NULL_DATE
 777                                 && $age = Temporal::getAgeByTimezone($a->profile['dob'], $a->profile['timezone'], '')
 778                         ) {
 779                                 $profile['age'] = [L10n::t('Age:'), $age];
 780                         }
 781
 782                         if ($a->profile['marital']) {
 783                                 $profile['marital'] = [L10n::t('Status:'), $a->profile['marital']];
 784                         }
 785
 786                         /// @TODO Maybe use x() here, plus below?
 787                         if ($a->profile['with']) {
 788                                 $profile['marital']['with'] = $a->profile['with'];
 789                         }
 790
 791                         if (strlen($a->profile['howlong']) && $a->profile['howlong'] >= DBA::NULL_DATETIME) {
 792                                 $profile['howlong'] = Temporal::getRelativeDate($a->profile['howlong'], L10n::t('for %1$d %2$s'));
 793                         }
 794
 795                         if ($a->profile['sexual']) {
 796                                 $profile['sexual'] = [L10n::t('Sexual Preference:'), $a->profile['sexual']];
 797                         }
 798
 799                         if ($a->profile['homepage']) {
 800                                 $profile['homepage'] = [L10n::t('Homepage:'), HTML::toLink($a->profile['homepage'])];
 801                         }
 802
 803                         if ($a->profile['hometown']) {
 804                                 $profile['hometown'] = [L10n::t('Hometown:'), HTML::toLink($a->profile['hometown'])];
 805                         }
 806
 807                         if ($a->profile['pub_keywords']) {
 808                                 $profile['pub_keywords'] = [L10n::t('Tags:'), $a->profile['pub_keywords']];
 809                         }
 810
 811                         if ($a->profile['politic']) {
 812                                 $profile['politic'] = [L10n::t('Political Views:'), $a->profile['politic']];
 813                         }
 814
 815                         if ($a->profile['religion']) {
 816                                 $profile['religion'] = [L10n::t('Religion:'), $a->profile['religion']];
 817                         }
 818
 819                         if ($txt = prepare_text($a->profile['about'])) {
 820                                 $profile['about'] = [L10n::t('About:'), $txt];
 821                         }
 822
 823                         if ($txt = prepare_text($a->profile['interest'])) {
 824                                 $profile['interest'] = [L10n::t('Hobbies/Interests:'), $txt];
 825                         }
 826
 827                         if ($txt = prepare_text($a->profile['likes'])) {
 828                                 $profile['likes'] = [L10n::t('Likes:'), $txt];
 829                         }
 830
 831                         if ($txt = prepare_text($a->profile['dislikes'])) {
 832                                 $profile['dislikes'] = [L10n::t('Dislikes:'), $txt];
 833                         }
 834
 835                         if ($txt = prepare_text($a->profile['contact'])) {
 836                                 $profile['contact'] = [L10n::t('Contact information and Social Networks:'), $txt];
 837                         }
 838
 839                         if ($txt = prepare_text($a->profile['music'])) {
 840                                 $profile['music'] = [L10n::t('Musical interests:'), $txt];
 841                         }
 842
 843                         if ($txt = prepare_text($a->profile['book'])) {
 844                                 $profile['book'] = [L10n::t('Books, literature:'), $txt];
 845                         }
 846
 847                         if ($txt = prepare_text($a->profile['tv'])) {
 848                                 $profile['tv'] = [L10n::t('Television:'), $txt];
 849                         }
 850
 851                         if ($txt = prepare_text($a->profile['film'])) {
 852                                 $profile['film'] = [L10n::t('Film/dance/culture/entertainment:'), $txt];
 853                         }
 854
 855                         if ($txt = prepare_text($a->profile['romance'])) {
 856                                 $profile['romance'] = [L10n::t('Love/Romance:'), $txt];
 857                         }
 858
 859                         if ($txt = prepare_text($a->profile['work'])) {
 860                                 $profile['work'] = [L10n::t('Work/employment:'), $txt];
 861                         }
 862
 863                         if ($txt = prepare_text($a->profile['education'])) {
 864                                 $profile['education'] = [L10n::t('School/education:'), $txt];
 865                         }
 866
 867                         //show subcribed forum if it is enabled in the usersettings
 868                         if (Feature::isEnabled($uid, 'forumlist_profile')) {
 869                                 $profile['forumlist'] = [L10n::t('Forums:'), ForumManager::profileAdvanced($uid)];
 870                         }
 871
 872                         if ($a->profile['uid'] == local_user()) {
 873                                 $profile['edit'] = [System::baseUrl() . '/profiles/' . $a->profile['id'], L10n::t('Edit profile'), '', L10n::t('Edit profile')];
 874                         }
 875
 876                         return Renderer::replaceMacros($tpl, [
 877                                 '$title' => L10n::t('Profile'),
 878                                 '$basic' => L10n::t('Basic'),
 879                                 '$advanced' => L10n::t('Advanced'),
 880                                 '$profile' => $profile
 881                         ]);
 882                 }
 883
 884                 return '';
 885         }
 886
 887         public static function getTabs($a, $is_owner = false, $nickname = null)
 888         {
 889                 if (is_null($nickname)) {
 890                         $nickname = $a->user['nickname'];
 891                 }
 892
 893                 $tab = false;
 894                 if (!empty($_GET['tab'])) {
 895                         $tab = Strings::escapeTags(trim($_GET['tab']));
 896                 }
 897
 898                 $url = System::baseUrl() . '/profile/' . $nickname;
 899
 900                 $tabs = [
 901                         [
 902                                 'label' => L10n::t('Status'),
 903                                 'url'   => $url,
 904                                 'sel'   => !$tab && $a->argv[0] == 'profile' ? 'active' : '',
 905                                 'title' => L10n::t('Status Messages and Posts'),
 906                                 'id'    => 'status-tab',
 907                                 'accesskey' => 'm',
 908                         ],
 909                         [
 910                                 'label' => L10n::t('Profile'),
 911                                 'url'   => $url . '/?tab=profile',
 912                                 'sel'   => $tab == 'profile' ? 'active' : '',
 913                                 'title' => L10n::t('Profile Details'),
 914                                 'id'    => 'profile-tab',
 915                                 'accesskey' => 'r',
 916                         ],
 917                         [
 918                                 'label' => L10n::t('Photos'),
 919                                 'url'   => System::baseUrl() . '/photos/' . $nickname,
 920                                 'sel'   => !$tab && $a->argv[0] == 'photos' ? 'active' : '',
 921                                 'title' => L10n::t('Photo Albums'),
 922                                 'id'    => 'photo-tab',
 923                                 'accesskey' => 'h',
 924                         ],
 925                         [
 926                                 'label' => L10n::t('Videos'),
 927                                 'url'   => System::baseUrl() . '/videos/' . $nickname,
 928                                 'sel'   => !$tab && $a->argv[0] == 'videos' ? 'active' : '',
 929                                 'title' => L10n::t('Videos'),
 930                                 'id'    => 'video-tab',
 931                                 'accesskey' => 'v',
 932                         ],
 933                 ];
 934
 935                 // the calendar link for the full featured events calendar
 936                 if ($is_owner && $a->theme_events_in_profile) {
 937                         $tabs[] = [
 938                                 'label' => L10n::t('Events'),
 939                                 'url'   => System::baseUrl() . '/events',
 940                                 'sel'   => !$tab && $a->argv[0] == 'events' ? 'active' : '',
 941                                 'title' => L10n::t('Events and Calendar'),
 942                                 'id'    => 'events-tab',
 943                                 'accesskey' => 'e',
 944                         ];
 945                         // if the user is not the owner of the calendar we only show a calendar
 946                         // with the public events of the calendar owner
 947                 } elseif (!$is_owner) {
 948                         $tabs[] = [
 949                                 'label' => L10n::t('Events'),
 950                                 'url'   => System::baseUrl() . '/cal/' . $nickname,
 951                                 'sel'   => !$tab && $a->argv[0] == 'cal' ? 'active' : '',
 952                                 'title' => L10n::t('Events and Calendar'),
 953                                 'id'    => 'events-tab',
 954                                 'accesskey' => 'e',
 955                         ];
 956                 }
 957
 958                 if ($is_owner) {
 959                         $tabs[] = [
 960                                 'label' => L10n::t('Personal Notes'),
 961                                 'url'   => System::baseUrl() . '/notes',
 962                                 'sel'   => !$tab && $a->argv[0] == 'notes' ? 'active' : '',
 963                                 'title' => L10n::t('Only You Can See This'),
 964                                 'id'    => 'notes-tab',
 965                                 'accesskey' => 't',
 966                         ];
 967                 }
 968
 969                 if (!empty($_SESSION['new_member']) && $is_owner) {
 970                         $tabs[] = [
 971                                 'label' => L10n::t('Tips for New Members'),
 972                                 'url'   => System::baseUrl() . '/newmember',
 973                                 'sel'   => false,
 974                                 'title' => L10n::t('Tips for New Members'),
 975                                 'id'    => 'newmember-tab',
 976                         ];
 977                 }
 978
 979                 if (!$is_owner && empty($a->profile['hide-friends'])) {
 980                         $tabs[] = [
 981                                 'label' => L10n::t('Contacts'),
 982                                 'url'   => System::baseUrl() . '/viewcontacts/' . $nickname,
 983                                 'sel'   => !$tab && $a->argv[0] == 'viewcontacts' ? 'active' : '',
 984                                 'title' => L10n::t('Contacts'),
 985                                 'id'    => 'viewcontacts-tab',
 986                                 'accesskey' => 'k',
 987                         ];
 988                 }
 989
 990                 $arr = ['is_owner' => $is_owner, 'nickname' => $nickname, 'tab' => $tab, 'tabs' => $tabs];
 991                 Addon::callHooks('profile_tabs', $arr);
 992
 993                 $tpl = Renderer::getMarkupTemplate('common_tabs.tpl');
 994
 995                 return Renderer::replaceMacros($tpl, ['$tabs' => $arr['tabs']]);
 996         }
 997
 998         /**
 999          * Retrieves the my_url session variable
1000          *
1001          * @return string
1002          */
1003         public static function getMyURL()
1004         {
1005                 if (!empty($_SESSION['my_url'])) {
1006                         return $_SESSION['my_url'];
1007                 }
1008                 return null;
1009         }
1010
1011         /**
1012          * Process the 'zrl' parameter and initiate the remote authentication.
1013          *
1014          * This method checks if the visitor has a public contact entry and
1015          * redirects the visitor to his/her instance to start the magic auth (Authentication)
1016          * process.
1017          *
1018          * Ported from Hubzilla: https://framagit.org/hubzilla/core/blob/master/include/channel.php
1019          *
1020          * @param App $a Application instance.
1021          */
1022         public static function zrlInit(App $a)
1023         {
1024                 $my_url = self::getMyURL();
1025                 $my_url = Network::isUrlValid($my_url);
1026
1027                 if (empty($my_url) || local_user()) {
1028                         return;
1029                 }
1030
1031                 $arr = ['zrl' => $my_url, 'url' => $a->cmd];
1032                 Addon::callHooks('zrl_init', $arr);
1033
1034                 // Try to find the public contact entry of the visitor.
1035                 $cid = Contact::getIdForURL($my_url);
1036                 if (!$cid) {
1037                         Logger::log('No contact record found for ' . $my_url, Logger::DEBUG);
1038                         return;
1039                 }
1040
1041                 $contact = DBA::selectFirst('contact',['id', 'url'], ['id' => $cid]);
1042
1043                 if (DBA::isResult($contact) && remote_user() && remote_user() == $contact['id']) {
1044                         Logger::log('The visitor ' . $my_url . ' is already authenticated', Logger::DEBUG);
1045                         return;
1046                 }
1047
1048                 // Avoid endless loops
1049                 $cachekey = 'zrlInit:' . $my_url;
1050                 if (Cache::get($cachekey)) {
1051                         Logger::log('URL ' . $my_url . ' already tried to authenticate.', Logger::DEBUG);
1052                         return;
1053                 } else {
1054                         Cache::set($cachekey, true, Cache::MINUTE);
1055                 }
1056
1057                 Logger::log('Not authenticated. Invoking reverse magic-auth for ' . $my_url, Logger::DEBUG);
1058
1059                 Worker::add(PRIORITY_LOW, 'GProbe', $my_url);
1060
1061                 // Try to avoid recursion - but send them home to do a proper magic auth.
1062                 $query = str_replace(array('?zrl=', '&zid='), array('?rzrl=', '&rzrl='), $a->query_string);
1063                 // The other instance needs to know where to redirect.
1064                 $dest = urlencode($a->getBaseURL() . '/' . $query);
1065
1066                 // We need to extract the basebath from the profile url
1067                 // to redirect the visitors '/magic' module.
1068                 // Note: We should have the basepath of a contact also in the contact table.
1069                 $urlarr = explode('/profile/', $contact['url']);
1070                 $basepath = $urlarr[0];
1071
1072                 if ($basepath != $a->getBaseURL() && !strstr($dest, '/magic') && !strstr($dest, '/rmagic')) {
1073                         $magic_path = $basepath . '/magic' . '?f=&owa=1&dest=' . $dest;
1074
1075                         // We have to check if the remote server does understand /magic without invoking something
1076                         $serverret = Network::curl($basepath . '/magic');
1077                         if ($serverret->isSuccess()) {
1078                                 Logger::log('Doing magic auth for visitor ' . $my_url . ' to ' . $magic_path, Logger::DEBUG);
1079                                 System::externalRedirect($magic_path);
1080                         }
1081                 }
1082         }
1083
1084         /**
1085          * OpenWebAuth authentication.
1086          *
1087          * Ported from Hubzilla: https://framagit.org/hubzilla/core/blob/master/include/zid.php
1088          *
1089          * @param string $token
1090          */
1091         public static function openWebAuthInit($token)
1092         {
1093                 $a = get_app();
1094
1095                 // Clean old OpenWebAuthToken entries.
1096                 OpenWebAuthToken::purge('owt', '3 MINUTE');
1097
1098                 // Check if the token we got is the same one
1099                 // we have stored in the database.
1100                 $visitor_handle = OpenWebAuthToken::getMeta('owt', 0, $token);
1101
1102                 if($visitor_handle === false) {
1103                         return;
1104                 }
1105
1106                 // Try to find the public contact entry of the visitor.
1107                 $cid = Contact::getIdForURL($visitor_handle);
1108                 if(!$cid) {
1109                         Logger::log('owt: unable to finger ' . $visitor_handle, Logger::DEBUG);
1110                         return;
1111                 }
1112
1113                 $visitor = DBA::selectFirst('contact', [], ['id' => $cid]);
1114
1115                 // Authenticate the visitor.
1116                 $_SESSION['authenticated'] = 1;
1117                 $_SESSION['visitor_id'] = $visitor['id'];
1118                 $_SESSION['visitor_handle'] = $visitor['addr'];
1119                 $_SESSION['visitor_home'] = $visitor['url'];
1120                 $_SESSION['my_url'] = $visitor['url'];
1121
1122                 /// @todo replace this and the query for this variable with some cleaner functionality
1123                 $_SESSION['remote'] = [];
1124
1125                 $remote_contacts = DBA::select('contact', ['id', 'uid'], ['nurl' => $visitor['nurl'], 'rel' => [Contact::FOLLOWER, Contact::FRIEND]]);
1126                 while ($contact = DBA::fetch($remote_contacts)) {
1127                         if (($contact['uid'] == 0) || Contact::isBlockedByUser($visitor['id'], $contact['uid'])) {
1128                                 continue;
1129                         }
1130
1131                         $_SESSION['remote'][] = ['cid' => $contact['id'], 'uid' => $contact['uid'], 'url' => $visitor['url']];
1132                 }
1133                 $arr = [
1134                         'visitor' => $visitor,
1135                         'url' => $a->query_string
1136                 ];
1137                 /**
1138                  * @hooks magic_auth_success
1139                  *   Called when a magic-auth was successful.
1140                  *   * \e array \b visitor
1141                  *   * \e string \b url
1142                  */
1143                 Addon::callHooks('magic_auth_success', $arr);
1144
1145                 $a->contact = $arr['visitor'];
1146
1147                 info(L10n::t('OpenWebAuth: %1$s welcomes %2$s', $a->getHostName(), $visitor['name']));
1148
1149                 Logger::log('OpenWebAuth: auth success from ' . $visitor['addr'], Logger::DEBUG);
1150         }
1151
1152         public static function zrl($s, $force = false)
1153         {
1154                 if (!strlen($s)) {
1155                         return $s;
1156                 }
1157                 if ((!strpos($s, '/profile/')) && (!$force)) {
1158                         return $s;
1159                 }
1160                 if ($force && substr($s, -1, 1) !== '/') {
1161                         $s = $s . '/';
1162                 }
1163                 $achar = strpos($s, '?') ? '&' : '?';
1164                 $mine = self::getMyURL();
1165                 if ($mine && !Strings::compareLink($mine, $s)) {
1166                         return $s . $achar . 'zrl=' . urlencode($mine);
1167                 }
1168                 return $s;
1169         }
1170
1171         /**
1172          * Get the user ID of the page owner.
1173          *
1174          * Used from within PCSS themes to set theme parameters. If there's a
1175          * puid request variable, that is the "page owner" and normally their theme
1176          * settings take precedence; unless a local user sets the "always_my_theme"
1177          * system pconfig, which means they don't want to see anybody else's theme
1178          * settings except their own while on this site.
1179          *
1180          * @brief Get the user ID of the page owner
1181          * @return int user ID
1182          *
1183          * @note Returns local_user instead of user ID if "always_my_theme"
1184          *      is set to true
1185          */
1186         public static function getThemeUid()
1187         {
1188                 $uid = (!empty($_REQUEST['puid']) ? intval($_REQUEST['puid']) : 0);
1189                 if ((local_user()) && ((PConfig::get(local_user(), 'system', 'always_my_theme')) || (!$uid))) {
1190                         return local_user();
1191                 }
1192
1193                 return $uid;
1194         }
1195
1196         /**
1197         * Stip zrl parameter from a string.
1198         *
1199         * @param string $s The input string.
1200         * @return string The zrl.
1201         */
1202         public static function stripZrls($s)
1203         {
1204                 return preg_replace('/[\?&]zrl=(.*?)([\?&]|$)/is', '', $s);
1205         }
1206
1207         /**
1208         * Stip query parameter from a string.
1209         *
1210         * @param string $s The input string.
1211         * @return string The query parameter.
1212         */
1213         public static function stripQueryParam($s, $param)
1214         {
1215                 return preg_replace('/[\?&]' . $param . '=(.*?)(&|$)/ism', '$2', $s);
1216         }
1217 }