3 * @copyright Copyright (C) 2010-2022, the Friendica project
5 * @license GNU AGPL version 3 or any later version
7 * This program is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU Affero General Public License as
9 * published by the Free Software Foundation, either version 3 of the
10 * License, or (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU Affero General Public License for more details.
17 * You should have received a copy of the GNU Affero General Public License
18 * along with this program. If not, see <https://www.gnu.org/licenses/>.
20 * Friendica is a communications platform for integrated social communications
21 * utilising decentralised communications and linkage to several indie social
22 * projects - as well as popular mainstream providers.
24 * Our mission is to free our friends and families from the clutches of
25 * data-harvesting corporations, and pave the way to a future where social
26 * communications are free and open and flow between alternate providers as
27 * easily as email does today.
30 use Friendica\Model\Contact;
32 define('FRIENDICA_PLATFORM', 'Friendica');
33 define('FRIENDICA_CODENAME', 'Giant Rhubarb');
34 define('FRIENDICA_VERSION', '2022.12-dev');
37 * Constant with a HTML line break.
39 * Contains a HTML line break (br) element and a real carriage return with line
40 * feed for the source.
41 * This can be used in HTML and JavaScript where needed a line break.
43 define('EOL', "<br />\r\n");
48 * Item weight for query ordering
51 define('GRAVITY_PARENT', 0);
52 define('GRAVITY_ACTIVITY', 3);
53 define('GRAVITY_COMMENT', 6);
54 define('GRAVITY_UNKNOWN', 9);
57 // Normally this constant is defined - but not if "pcntl" isn't installed
58 if (!defined('SIGTERM')) {
59 define('SIGTERM', 15);
63 * Depending on the PHP version this constant does exist - or not.
64 * See here: http://php.net/manual/en/curl.constants.php#117928
66 if (!defined('CURLE_OPERATION_TIMEDOUT')) {
67 define('CURLE_OPERATION_TIMEDOUT', CURLE_OPERATION_TIMEOUTED);
70 if (!function_exists('exif_imagetype')) {
71 function exif_imagetype($file)
73 $size = getimagesize($file);
79 * Returns the user id of locally logged in user or false.
81 * @return int|bool user id or false
85 if (!empty($_SESSION['authenticated']) && !empty($_SESSION['uid'])) {
86 return intval($_SESSION['uid']);
93 * Returns the public contact id of logged in user or false.
95 * @return int|bool public contact id or false
97 function public_contact()
99 static $public_contact_id = false;
101 if (!$public_contact_id && !empty($_SESSION['authenticated'])) {
102 if (!empty($_SESSION['my_address'])) {
104 $public_contact_id = intval(Contact::getIdForURL($_SESSION['my_address'], 0, false));
105 } elseif (!empty($_SESSION['visitor_home'])) {
107 $public_contact_id = intval(Contact::getIdForURL($_SESSION['visitor_home'], 0, false));
109 } elseif (empty($_SESSION['authenticated'])) {
110 $public_contact_id = false;
113 return $public_contact_id;
117 * Returns public contact id of authenticated site visitor or false
119 * @return int|bool visitor_id or false
121 function remote_user()
123 if (empty($_SESSION['authenticated'])) {
127 if (!empty($_SESSION['visitor_id'])) {
128 return intval($_SESSION['visitor_id']);
135 * Show an error message to user.
137 * This function save text in session, to be shown to the user at next page load
139 * @param string $s - Text of notice
142 * @deprecated since version 2022.09, use \Friendica\Navigation\SystemMessages instead
144 function notice(string $s)
146 \Friendica\DI::sysmsg()->addNotice($s);
150 * Show an info message to user.
152 * This function save text in session, to be shown to the user at next page load
154 * @param string $s - Text of notice
157 * @deprecated since version 2022.09, use \Friendica\Navigation\SystemMessages instead
159 function info(string $s)
161 \Friendica\DI::sysmsg()->addInfo($s);