]> git.mxchange.org Git - friendica.git/blobdiff - src/Model/Profile.php
Fix missing $profile['nickname'] in Model\Profile
[friendica.git] / src / Model / Profile.php
index ec53d064d6b83704d24ff2bd99f8a5b6c8f96640..550d064757b103b80499474284269c32dbbae278 100644 (file)
@@ -15,16 +15,15 @@ use Friendica\Core\L10n;
 use Friendica\Core\PConfig;
 use Friendica\Core\System;
 use Friendica\Core\Worker;
-use Friendica\Database\DBM;
+use Friendica\Database\DBA;
 use Friendica\Model\Contact;
 use Friendica\Protocol\Diaspora;
 use Friendica\Util\DateTimeFormat;
 use Friendica\Util\Network;
+use Friendica\Util\Proxy as ProxyUtils;
 use Friendica\Util\Temporal;
-use dba;
 
 require_once 'include/dba.php';
-require_once 'mod/proxy.php';
 
 class Profile
 {
@@ -39,11 +38,11 @@ class Profile
        {
                $location = '';
 
-               if ($profile['locality']) {
+               if (!empty($profile['locality'])) {
                        $location .= $profile['locality'];
                }
 
-               if ($profile['region'] && ($profile['locality'] != $profile['region'])) {
+               if (!empty($profile['region']) && (defaults($profile, 'locality', '') != $profile['region'])) {
                        if ($location) {
                                $location .= ', ';
                        }
@@ -51,7 +50,7 @@ class Profile
                        $location .= $profile['region'];
                }
 
-               if ($profile['country-name']) {
+               if (!empty($profile['country-name'])) {
                        if ($location) {
                                $location .= ', ';
                        }
@@ -88,30 +87,27 @@ class Profile
         * @param array   $profiledata  array
         * @param boolean $show_connect Show connect link
         */
-       public static function load(App $a, $nickname, $profile = 0, $profiledata = [], $show_connect = true)
+       public static function load(App $a, $nickname, $profile = 0, array $profiledata = [], $show_connect = true)
        {
-               $user = dba::selectFirst('user', ['uid'], ['nickname' => $nickname]);
+               $user = DBA::selectFirst('user', ['uid'], ['nickname' => $nickname, 'account_removed' => false]);
 
-               if (!$user && !count($user) && !count($profiledata)) {
+               if (!DBA::isResult($user) && empty($profiledata)) {
                        logger('profile error: ' . $a->query_string, LOGGER_DEBUG);
                        notice(L10n::t('Requested account is not available.') . EOL);
                        $a->error = 404;
                        return;
                }
 
-               if (!x($a->page, 'aside')) {
-                       $a->page['aside'] = '';
-               }
-
-               if ($profiledata) {
+               if (count($profiledata) > 0) {
+                       // Add profile data to sidebar
                        $a->page['aside'] .= self::sidebar($profiledata, true, $show_connect);
 
-                       if (!DBM::is_result($user)) {
+                       if (!DBA::isResult($user)) {
                                return;
                        }
                }
 
-               $pdata = self::getByNickname($nickname, $user[0]['uid'], $profile);
+               $pdata = self::getByNickname($nickname, $user['uid'], $profile);
 
                if (empty($pdata) && empty($profiledata)) {
                        logger('profile error: ' . $a->query_string, LOGGER_DEBUG);
@@ -120,6 +116,10 @@ class Profile
                        return;
                }
 
+               if (empty($pdata)) {
+                       $pdata = ['uid' => 0, 'profile_uid' => 0, 'is-default' => false,'name' => $nickname];
+               }
+
                // fetch user tags if this isn't the default profile
 
                if (!$pdata['is-default']) {
@@ -138,7 +138,7 @@ class Profile
                $a->profile['mobile-theme'] = PConfig::get($a->profile['profile_uid'], 'system', 'mobile_theme');
                $a->profile['network'] = NETWORK_DFRN;
 
-               $a->page['title'] = $a->profile['name'] . ' @ ' . $a->config['sitename'];
+               $a->page['title'] = $a->profile['name'] . ' @ ' . Config::get('config', 'sitename');
 
                if (!$profiledata && !PConfig::get(local_user(), 'system', 'always_my_theme')) {
                        $_SESSION['theme'] = $a->profile['theme'];
@@ -152,15 +152,11 @@ class Profile
 
                $a->set_template_engine(); // reset the template engine to the default in case the user's theme doesn't specify one
 
-               $theme_info_file = 'view/theme/' . current_theme() . '/theme.php';
+               $theme_info_file = 'view/theme/' . $a->getCurrentTheme() . '/theme.php';
                if (file_exists($theme_info_file)) {
                        require_once $theme_info_file;
                }
 
-               if (!x($a->page, 'aside')) {
-                       $a->page['aside'] = '';
-               }
-
                if (local_user() && local_user() == $a->profile['uid'] && $profiledata) {
                        $a->page['aside'] .= replace_macros(
                                get_markup_template('profile_edlink.tpl'),
@@ -203,11 +199,11 @@ class Profile
         */
        public static function getByNickname($nickname, $uid = 0, $profile_id = 0)
        {
-               if (remote_user() && count($_SESSION['remote'])) {
+               if (remote_user() && !empty($_SESSION['remote'])) {
                        foreach ($_SESSION['remote'] as $visitor) {
                                if ($visitor['uid'] == $uid) {
-                                       $contact = dba::selectFirst('contact', ['profile-id'], ['id' => $visitor['cid']]);
-                                       if (DBM::is_result($contact)) {
+                                       $contact = DBA::selectFirst('contact', ['profile-id'], ['id' => $visitor['cid']]);
+                                       if (DBA::isResult($contact)) {
                                                $profile_id = $contact['profile-id'];
                                        }
                                        break;
@@ -218,7 +214,7 @@ class Profile
                $profile = null;
 
                if ($profile_id) {
-                       $profile = dba::fetch_first(
+                       $profile = DBA::fetchFirst(
                                "SELECT `contact`.`id` AS `contact_id`, `contact`.`photo` AS `contact_photo`,
                                        `contact`.`thumb` AS `contact_thumb`, `contact`.`micro` AS `contact_micro`,
                                        `profile`.`uid` AS `profile_uid`, `profile`.*,
@@ -231,8 +227,8 @@ class Profile
                                intval($profile_id)
                        );
                }
-               if (!DBM::is_result($profile)) {
-                       $profile = dba::fetch_first(
+               if (!DBA::isResult($profile)) {
+                       $profile = DBA::fetchFirst(
                                "SELECT `contact`.`id` AS `contact_id`, `contact`.`photo` as `contact_photo`,
                                        `contact`.`thumb` AS `contact_thumb`, `contact`.`micro` AS `contact_micro`,
                                        `profile`.`uid` AS `profile_uid`, `profile`.*,
@@ -297,7 +293,7 @@ class Profile
                $connect = $profile['uid'] != local_user() ? L10n::t('Connect') : false;
 
                // don't show connect link to authenticated visitors either
-               if (remote_user() && count($_SESSION['remote'])) {
+               if (remote_user() && !empty($_SESSION['remote'])) {
                        foreach ($_SESSION['remote'] as $visitor) {
                                if ($visitor['uid'] == $profile['uid']) {
                                        $connect = false;
@@ -310,6 +306,8 @@ class Profile
                        $connect = false;
                }
 
+               $profile_url = '';
+
                // Is the local user already connected to that user?
                if ($connect && local_user()) {
                        if (isset($profile['url'])) {
@@ -318,7 +316,7 @@ class Profile
                                $profile_url = normalise_link(System::baseUrl() . '/profile/' . $profile['nickname']);
                        }
 
-                       if (dba::exists('contact', ['pending' => false, 'uid' => local_user(), 'nurl' => $profile_url])) {
+                       if (DBA::exists('contact', ['pending' => false, 'uid' => local_user(), 'nurl' => $profile_url])) {
                                $connect = false;
                        }
                }
@@ -338,33 +336,34 @@ class Profile
                        $subscribe_feed = false;
                }
 
+               $wallmessage = false;
+               $wallmessage_link = false;
+
                if (remote_user() || (self::getMyURL() && x($profile, 'unkmail') && ($profile['uid'] != local_user()))) {
                        $wallmessage = L10n::t('Message');
-                       $wallmessage_link = 'wallmessage/' . $profile['nickname'];
 
                        if (remote_user()) {
                                $r = q(
                                        "SELECT `url` FROM `contact` WHERE `uid` = %d AND `id` = '%s' AND `rel` = %d",
                                        intval($profile['uid']),
                                        intval(remote_user()),
-                                       intval(CONTACT_IS_FRIEND)
+                                       intval(Contact::FRIEND)
                                );
                        } else {
                                $r = q(
                                        "SELECT `url` FROM `contact` WHERE `uid` = %d AND `nurl` = '%s' AND `rel` = %d",
                                        intval($profile['uid']),
-                                       dbesc(normalise_link(self::getMyURL())),
-                                       intval(CONTACT_IS_FRIEND)
+                                       DBA::escape(normalise_link(self::getMyURL())),
+                                       intval(Contact::FRIEND)
                                );
                        }
                        if ($r) {
                                $remote_url = $r[0]['url'];
                                $message_path = preg_replace('=(.*)/profile/(.*)=ism', '$1/message/new/', $remote_url);
                                $wallmessage_link = $message_path . base64_encode($profile['addr']);
+                       } else if (!empty($profile['nickname'])) {
+                               $wallmessage_link = 'wallmessage/' . $profile['nickname'];
                        }
-               } else {
-                       $wallmessage = false;
-                       $wallmessage_link = false;
                }
 
                // show edit profile to yourself
@@ -381,7 +380,7 @@ class Profile
                                'entries' => [],
                        ];
 
-                       if (DBM::is_result($r)) {
+                       if (DBA::isResult($r)) {
                                foreach ($r as $rr) {
                                        $profile['menu']['entries'][] = [
                                                'photo' => $rr['thumb'],
@@ -440,9 +439,9 @@ class Profile
                                'fullname' => $profile['name'],
                                'firstname' => $firstname,
                                'lastname' => $lastname,
-                               'photo300' => $profile['contact_photo'],
-                               'photo100' => $profile['contact_thumb'],
-                               'photo50' => $profile['contact_micro'],
+                               'photo300' => defaults($profile, 'contact_photo', ''),
+                               'photo100' => defaults($profile, 'contact_thumb', ''),
+                               'photo50' => defaults($profile, 'contact_micro', ''),
                        ];
                } else {
                        $diaspora = false;
@@ -459,7 +458,7 @@ class Profile
                                        "SELECT `gcontact`.`updated` FROM `contact` INNER JOIN `gcontact` WHERE `gcontact`.`nurl` = `contact`.`nurl` AND `self` AND `uid` = %d LIMIT 1",
                                        intval($a->profile['uid'])
                                );
-                               if (DBM::is_result($r)) {
+                               if (DBA::isResult($r)) {
                                        $updated = date('c', strtotime($r[0]['updated']));
                                }
 
@@ -470,11 +469,11 @@ class Profile
                                                AND NOT `hidden` AND NOT `archive`
                                                AND `network` IN ('%s', '%s', '%s', '')",
                                        intval($profile['uid']),
-                                       dbesc(NETWORK_DFRN),
-                                       dbesc(NETWORK_DIASPORA),
-                                       dbesc(NETWORK_OSTATUS)
+                                       DBA::escape(NETWORK_DFRN),
+                                       DBA::escape(NETWORK_DIASPORA),
+                                       DBA::escape(NETWORK_OSTATUS)
                                );
-                               if (DBM::is_result($r)) {
+                               if (DBA::isResult($r)) {
                                        $contacts = intval($r[0]['total']);
                                }
                        }
@@ -497,10 +496,10 @@ class Profile
                }
 
                if (isset($p['photo'])) {
-                       $p['photo'] = proxy_url($p['photo'], false, PROXY_SIZE_SMALL);
+                       $p['photo'] = ProxyUtils::proxifyUrl($p['photo'], false, ProxyUtils::SIZE_SMALL);
                }
 
-               $p['url'] = self::magicLink($p['url']);
+               $p['url'] = Contact::magicLink(defaults($p, 'url', $profile_url));
 
                $tpl = get_markup_template('profile_vcard.tpl');
                $o .= replace_macros($tpl, [
@@ -553,7 +552,7 @@ class Profile
                $cachekey = 'get_birthdays:' . local_user();
                $r = Cache::get($cachekey);
                if (is_null($r)) {
-                       $s = dba::p(
+                       $s = DBA::p(
                                "SELECT `event`.*, `event`.`id` AS `eid`, `contact`.* FROM `event`
                                INNER JOIN `contact` ON `contact`.`id` = `event`.`cid`
                                WHERE `event`.`uid` = ? AND `type` = 'birthday' AND `start` < ? AND `finish` > ?
@@ -562,15 +561,15 @@ class Profile
                                DateTimeFormat::utc('now + 6 days'),
                                DateTimeFormat::utcNow()
                        );
-                       if (DBM::is_result($s)) {
-                               $r = dba::inArray($s);
+                       if (DBA::isResult($s)) {
+                               $r = DBA::toArray($s);
                                Cache::set($cachekey, $r, CACHE_HOUR);
                        }
                }
 
                $total = 0;
                $classtoday = '';
-               if (DBM::is_result($r)) {
+               if (DBA::isResult($r)) {
                        $now = strtotime('now');
                        $cids = [];
 
@@ -598,12 +597,8 @@ class Profile
                                        $cids[] = $rr['cid'];
 
                                        $today = (((strtotime($rr['start'] . ' +00:00') < $now) && (strtotime($rr['finish'] . ' +00:00') > $now)) ? true : false);
-                                       $url = $rr['url'];
-                                       if ($rr['network'] === NETWORK_DFRN) {
-                                               $url = System::baseUrl() . '/redir/' . $rr['cid'];
-                                       }
 
-                                       $rr['link'] = $url;
+                                       $rr['link'] = Contact::magicLink($rr['url']);
                                        $rr['title'] = $rr['name'];
                                        $rr['date'] = day_translate(DateTimeFormat::convert($rr['start'], $a->timezone, 'UTC', $rr['adjust'] ? $bd_format : $bd_short)) . (($today) ? ' ' . L10n::t('[today]') : '');
                                        $rr['startime'] = null;
@@ -643,40 +638,40 @@ class Profile
                $bd_format = L10n::t('g A l F d'); // 8 AM Friday January 18
                $classtoday = '';
 
-               $s = dba::p(
-                       "SELECT *
+               $s = DBA::p(
+                       "SELECT `event`.*
                        FROM `event`
-                       WHERE `event`.`uid` = ?
-                       AND  `event`.`type` != 'birthday'
-                       AND  `event`.`start` < ?
-                       AND  `event`.`start` >= ?
-                       AND NOT EXISTS (
-                               SELECT `id`
-                               FROM `item`
-                               WHERE `item`.`uid` = `event`.`uid`
+                       INNER JOIN `item`
+                               ON `item`.`uid` = `event`.`uid`
                                AND `item`.`parent-uri` = `event`.`uri`
-                               AND `item`.`verb` = ?
-                               AND `item`.`visible`
-                               AND NOT `item`.`deleted`
-                       )
+                       WHERE `event`.`uid` = ?
+                       AND `event`.`type` != 'birthday'
+                       AND `event`.`start` < ?
+                       AND `event`.`start` >= ?
+                       AND `item`.`author-id` = ?
+                       AND (`item`.`verb` = ? OR `item`.`verb` = ?)
+                       AND `item`.`visible`
+                       AND NOT `item`.`deleted`
                        ORDER BY  `event`.`start` ASC",
                        local_user(),
                        DateTimeFormat::utc('now + 7 days'),
                        DateTimeFormat::utc('now - 1 days'),
-                       ACTIVITY_ATTENDNO
+                       public_contact(),
+                       ACTIVITY_ATTEND,
+                       ACTIVITY_ATTENDMAYBE
                );
 
                $r = [];
 
-               if (DBM::is_result($s)) {
+               if (DBA::isResult($s)) {
                        $istoday = false;
 
-                       while ($rr = dba::fetch($s)) {
-                               if (strlen($rr['name'])) {
+                       while ($rr = DBA::fetch($s)) {
+                               if (strlen($rr['summary'])) {
                                        $total ++;
                                }
 
-                               $strt = DateTimeFormat::convert($rr['start'], $rr['convert'] ? $a->timezone : 'UTC', 'UTC', 'Y-m-d');
+                               $strt = DateTimeFormat::convert($rr['start'], $rr['adjust'] ? $a->timezone : 'UTC', 'UTC', 'Y-m-d');
                                if ($strt === DateTimeFormat::timezoneNow($a->timezone, 'Y-m-d')) {
                                        $istoday = true;
                                }
@@ -692,7 +687,7 @@ class Profile
                                        $description = L10n::t('[No description]');
                                }
 
-                               $strt = DateTimeFormat::convert($rr['start'], $rr['convert'] ? $a->timezone : 'UTC');
+                               $strt = DateTimeFormat::convert($rr['start'], $rr['adjust'] ? $a->timezone : 'UTC');
 
                                if (substr($strt, 0, 10) < DateTimeFormat::timezoneNow($a->timezone, 'Y-m-d')) {
                                        continue;
@@ -708,7 +703,7 @@ class Profile
 
                                $r[] = $rr;
                        }
-                       dba::close($s);
+                       DBA::close($s);
                        $classtoday = (($istoday) ? 'event-today' : '');
                }
                $tpl = get_markup_template('events_reminder.tpl');
@@ -717,7 +712,7 @@ class Profile
                        '$classtoday' => $classtoday,
                        '$count' => count($r),
                        '$event_reminders' => L10n::t('Event Reminders'),
-                       '$event_title' => L10n::t('Events this week:'),
+                       '$event_title' => L10n::t('Upcoming events the next 7 days:'),
                        '$events' => $r,
                ]);
        }
@@ -954,7 +949,17 @@ class Profile
                        ];
                }
 
-               if ((!$is_owner) && ((count($a->profile)) || (!$a->profile['hide-friends']))) {
+               if (!empty($_SESSION['new_member']) && $is_owner) {
+                       $tabs[] = [
+                               'label' => L10n::t('Tips for New Members'),
+                               'url'   => System::baseUrl() . '/newmember',
+                               'sel'   => false,
+                               'title' => L10n::t('Tips for New Members'),
+                               'id'    => 'newmember-tab',
+                       ];
+               }
+
+               if (!$is_owner && empty($a->profile['hide-friends'])) {
                        $tabs[] = [
                                'label' => L10n::t('Contacts'),
                                'url'   => System::baseUrl() . '/viewcontacts/' . $nickname,
@@ -986,48 +991,127 @@ class Profile
                return null;
        }
 
+       /**
+        * Process the 'zrl' parameter and initiate the remote authentication.
+        *
+        * This method checks if the visitor has a public contact entry and
+        * redirects the visitor to his/her instance to start the magic auth (Authentication)
+        * process.
+        *
+        * Ported from Hubzilla: https://framagit.org/hubzilla/core/blob/master/include/channel.php
+        *
+        * @param App $a Application instance.
+        */
        public static function zrlInit(App $a)
        {
                $my_url = self::getMyURL();
                $my_url = Network::isUrlValid($my_url);
+
                if ($my_url) {
-                       // Is it a DDoS attempt?
-                       // The check fetches the cached value from gprobe to reduce the load for this system
-                       $urlparts = parse_url($my_url);
+                       if (!local_user()) {
+                               // Is it a DDoS attempt?
+                               // The check fetches the cached value from gprobe to reduce the load for this system
+                               $urlparts = parse_url($my_url);
+
+                               $result = Cache::get('gprobe:' . $urlparts['host']);
+                               if ((!is_null($result)) && (in_array($result['network'], [NETWORK_FEED, NETWORK_PHANTOM]))) {
+                                       logger('DDoS attempt detected for ' . $urlparts['host'] . ' by ' . $_SERVER['REMOTE_ADDR'] . '. server data: ' . print_r($_SERVER, true), LOGGER_DEBUG);
+                                       return;
+                               }
 
-                       $result = Cache::get('gprobe:' . $urlparts['host']);
-                       if ((!is_null($result)) && (in_array($result['network'], [NETWORK_FEED, NETWORK_PHANTOM]))) {
-                               logger('DDoS attempt detected for ' . $urlparts['host'] . ' by ' . $_SERVER['REMOTE_ADDR'] . '. server data: ' . print_r($_SERVER, true), LOGGER_DEBUG);
-                               return;
-                       }
+                               Worker::add(PRIORITY_LOW, 'GProbe', $my_url);
+                               $arr = ['zrl' => $my_url, 'url' => $a->cmd];
+                               Addon::callHooks('zrl_init', $arr);
+
+                               // Try to find the public contact entry of the visitor.
+                               $cid = Contact::getIdForURL($my_url);
+                               if (!$cid) {
+                                       logger('No contact record found for ' . $my_url, LOGGER_DEBUG);
+                                       return;
+                               }
+
+                               $contact = DBA::selectFirst('contact',['id', 'url'], ['id' => $cid]);
+
+                               if (DBA::isResult($contact) && remote_user() && remote_user() == $contact['id']) {
+                                       // The visitor is already authenticated.
+                                       return;
+                               }
+
+                               logger('Not authenticated. Invoking reverse magic-auth for ' . $my_url, LOGGER_DEBUG);
+
+                               // Try to avoid recursion - but send them home to do a proper magic auth.
+                               $query = str_replace(array('?zrl=', '&zid='), array('?rzrl=', '&rzrl='), $a->query_string);
+                               // The other instance needs to know where to redirect.
+                               $dest = urlencode(System::baseUrl() . '/' . $query);
+
+                               // We need to extract the basebath from the profile url
+                               // to redirect the visitors '/magic' module.
+                               // Note: We should have the basepath of a contact also in the contact table.
+                               $urlarr = explode('/profile/', $contact['url']);
+                               $basepath = $urlarr[0];
 
-                       Worker::add(PRIORITY_LOW, 'GProbe', $my_url);
-                       $arr = ['zrl' => $my_url, 'url' => $a->cmd];
-                       Addon::callHooks('zrl_init', $arr);
+                               if ($basepath != System::baseUrl() && !strstr($dest, '/magic') && !strstr($dest, '/rmagic')) {
+                                       goaway($basepath . '/magic' . '?f=&owa=1&dest=' . $dest);
+                               }
+                       }
                }
        }
 
        /**
-        * @brief Returns a magic link to authenticate remote visitors
+        * OpenWebAuth authentication.
         *
-        * @param string $contact_url The address of the contact profile
-        * @param integer $uid The user id, "local_user" is the default
+        * Ported from Hubzilla: https://framagit.org/hubzilla/core/blob/master/include/zid.php
         *
-        * @return string with "redir" link
+        * @param string $token
         */
-       public static function magicLink($contact_url, $uid = -1)
+       public static function openWebAuthInit($token)
        {
-               if ($uid == -1) {
-                       $uid = local_user();
+               $a = get_app();
+
+               // Clean old OpenWebAuthToken entries.
+               OpenWebAuthToken::purge('owt', '3 MINUTE');
+
+               // Check if the token we got is the same one
+               // we have stored in the database.
+               $visitor_handle = OpenWebAuthToken::getMeta('owt', 0, $token);
+
+               if($visitor_handle === false) {
+                       return;
                }
-               $condition = ['pending' => false, 'uid' => $uid,
-                               'nurl' => normalise_link($contact_url),
-                               'network' => NETWORK_DFRN, 'self' => false];
-               $contact = dba::selectFirst('contact', ['id'], $condition);
-               if (DBM::is_result($contact)) {
-                       return System::baseUrl() . '/redir/' . $contact['id'];
+
+               // Try to find the public contact entry of the visitor.
+               $cid = Contact::getIdForURL($visitor_handle);
+               if(!$cid) {
+                       logger('owt: unable to finger ' . $visitor_handle, LOGGER_DEBUG);
+                       return;
                }
-               return self::zrl($contact_url);
+
+               $visitor = DBA::selectFirst('contact', [], ['id' => $cid]);
+
+               // Authenticate the visitor.
+               $_SESSION['authenticated'] = 1;
+               $_SESSION['visitor_id'] = $visitor['id'];
+               $_SESSION['visitor_handle'] = $visitor['addr'];
+               $_SESSION['visitor_home'] = $visitor['url'];
+               $_SESSION['my_url'] = $visitor['url'];
+
+               $arr = [
+                       'visitor' => $visitor,
+                       'url' => $a->query_string
+               ];
+               /**
+                * @hooks magic_auth_success
+                *   Called when a magic-auth was successful.
+                *   * \e array \b visitor
+                *   * \e string \b url
+                */
+               Addon::callHooks('magic_auth_success', $arr);
+
+               $a->contact = $arr['visitor'];
+
+               info(L10n::t('OpenWebAuth: %1$s welcomes %2$s', $a->get_hostname(), $visitor['name']));
+
+               logger('OpenWebAuth: auth success from ' . $visitor['addr'], LOGGER_DEBUG);
        }
 
        public static function zrl($s, $force = false)
@@ -1073,4 +1157,26 @@ class Profile
 
                return $uid;
        }
+
+       /**
+       * Stip zrl parameter from a string.
+       *
+       * @param string $s The input string.
+       * @return string The zrl.
+       */
+       public static function stripZrls($s)
+       {
+               return preg_replace('/[\?&]zrl=(.*?)([\?&]|$)/is', '', $s);
+       }
+
+       /**
+       * Stip query parameter from a string.
+       *
+       * @param string $s The input string.
+       * @return string The query parameter.
+       */
+       public static function stripQueryParam($s, $param)
+       {
+               return preg_replace('/[\?&]' . $param . '=(.*?)(&|$)/ism', '$2', $s);
+       }
 }