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');
35 define('DFRN_PROTOCOL_VERSION', '2.23');
36 define('NEW_TABLE_STRUCTURE_VERSION', 1288);
39 * Constant with a HTML line break.
41 * Contains a HTML line break (br) element and a real carriage return with line
42 * feed for the source.
43 * This can be used in HTML and JavaScript where needed a line break.
45 define('EOL', "<br />\r\n");
50 * Type of the community page
53 define('CP_NO_INTERNAL_COMMUNITY', -2);
54 define('CP_NO_COMMUNITY_PAGE', -1);
55 define('CP_USERS_ON_SERVER', 0);
56 define('CP_GLOBAL_COMMUNITY', 1);
57 define('CP_USERS_AND_GLOBAL', 2);
65 * Item weight for query ordering
68 define('GRAVITY_PARENT', 0);
69 define('GRAVITY_ACTIVITY', 3);
70 define('GRAVITY_COMMENT', 6);
71 define('GRAVITY_UNKNOWN', 9);
74 // Normally this constant is defined - but not if "pcntl" isn't installed
75 if (!defined('SIGTERM')) {
76 define('SIGTERM', 15);
80 * Depending on the PHP version this constant does exist - or not.
81 * See here: http://php.net/manual/en/curl.constants.php#117928
83 if (!defined('CURLE_OPERATION_TIMEDOUT')) {
84 define('CURLE_OPERATION_TIMEDOUT', CURLE_OPERATION_TIMEOUTED);
87 if (!function_exists('exif_imagetype')) {
88 function exif_imagetype($file)
90 $size = getimagesize($file);
96 * Returns the user id of locally logged in user or false.
98 * @return int|bool user id or false
100 function local_user()
102 if (!empty($_SESSION['authenticated']) && !empty($_SESSION['uid'])) {
103 return intval($_SESSION['uid']);
110 * Returns the public contact id of logged in user or false.
112 * @return int|bool public contact id or false
114 function public_contact()
116 static $public_contact_id = false;
118 if (!$public_contact_id && !empty($_SESSION['authenticated'])) {
119 if (!empty($_SESSION['my_address'])) {
121 $public_contact_id = intval(Contact::getIdForURL($_SESSION['my_address'], 0, false));
122 } elseif (!empty($_SESSION['visitor_home'])) {
124 $public_contact_id = intval(Contact::getIdForURL($_SESSION['visitor_home'], 0, false));
126 } elseif (empty($_SESSION['authenticated'])) {
127 $public_contact_id = false;
130 return $public_contact_id;
134 * Returns public contact id of authenticated site visitor or false
136 * @return int|bool visitor_id or false
138 function remote_user()
140 if (empty($_SESSION['authenticated'])) {
144 if (!empty($_SESSION['visitor_id'])) {
145 return intval($_SESSION['visitor_id']);
152 * Show an error message to user.
154 * This function save text in session, to be shown to the user at next page load
156 * @param string $s - Text of notice
159 * @deprecated since version 2022.09, use \Friendica\Navigation\SystemMessages instead
161 function notice(string $s)
163 \Friendica\DI::sysmsg()->addNotice($s);
167 * Show an info message to user.
169 * This function save text in session, to be shown to the user at next page load
171 * @param string $s - Text of notice
174 * @deprecated since version 2022.09, use \Friendica\Navigation\SystemMessages instead
176 function info(string $s)
178 \Friendica\DI::sysmsg()->addInfo($s);