4 * This file defines some global constants and includes the central App class.
10 * Friendica is a communications platform for integrated social communications
11 * utilising decentralised communications and linkage to several indie social
12 * projects - as well as popular mainstream providers.
14 * Our mission is to free our friends and families from the clutches of
15 * data-harvesting corporations, and pave the way to a future where social
16 * communications are free and open and flow between alternate providers as
17 * easily as email does today.
20 require_once('include/config.php');
21 require_once('include/network.php');
22 require_once('include/plugin.php');
23 require_once('include/text.php');
24 require_once('include/datetime.php');
25 require_once('include/pgettext.php');
26 require_once('include/nav.php');
27 require_once('include/cache.php');
28 require_once('library/Mobile_Detect/Mobile_Detect.php');
29 require_once('include/features.php');
30 require_once('include/identity.php');
32 require_once('update.php');
33 require_once('include/dbstructure.php');
35 define ( 'FRIENDICA_PLATFORM', 'Friendica');
36 define ( 'FRIENDICA_CODENAME', 'Asparagus');
37 define ( 'FRIENDICA_VERSION', '3.5-dev' );
38 define ( 'DFRN_PROTOCOL_VERSION', '2.23' );
39 define ( 'DB_UPDATE_VERSION', 1193 );
42 * @brief Constant with a HTML line break.
44 * Contains a HTML line break (br) element and a real carriage return with line
45 * feed for the source.
46 * This can be used in HTML and JavaScript where needed a line break.
48 define ( 'EOL', "<br />\r\n" );
49 define ( 'ATOM_TIME', 'Y-m-d\TH:i:s\Z' );
53 * @brief Image storage quality.
55 * Lower numbers save space at cost of image detail.
56 * For ease of upgrade, please do not change here. Change jpeg quality with
57 * $a->config['system']['jpeg_quality'] = n;
58 * in .htconfig.php, where n is netween 1 and 100, and with very poor results
63 define ( 'JPEG_QUALITY', 100 );
65 * $a->config['system']['png_quality'] from 0 (uncompressed) to 9
67 define ( 'PNG_QUALITY', 8 );
71 * An alternate way of limiting picture upload sizes. Specify the maximum pixel
72 * length that pictures are allowed to be (for non-square pictures, it will apply
73 * to the longest side). Pictures longer than this length will be resized to be
74 * this length (on the longest side, the other side will be scaled appropriately).
75 * Modify this value using
77 * $a->config['system']['max_image_length'] = n;
81 * If you don't want to set a maximum length, set to -1. The default value is
82 * defined by 'MAX_IMAGE_LENGTH' below.
85 define ( 'MAX_IMAGE_LENGTH', -1 );
92 define ( 'DEFAULT_DB_ENGINE', 'MyISAM' );
97 * SSL redirection policies
100 define ( 'SSL_POLICY_NONE', 0 );
101 define ( 'SSL_POLICY_FULL', 1 );
102 define ( 'SSL_POLICY_SELFSIGN', 2 );
111 define ( 'LOGGER_NORMAL', 0 );
112 define ( 'LOGGER_TRACE', 1 );
113 define ( 'LOGGER_DEBUG', 2 );
114 define ( 'LOGGER_DATA', 3 );
115 define ( 'LOGGER_ALL', 4 );
124 define ( 'CACHE_MONTH', 0 );
125 define ( 'CACHE_WEEK', 1 );
126 define ( 'CACHE_DAY', 2 );
127 define ( 'CACHE_HOUR', 3 );
133 * Registration policies
136 define ( 'REGISTER_CLOSED', 0 );
137 define ( 'REGISTER_APPROVE', 1 );
138 define ( 'REGISTER_OPEN', 2 );
147 define ( 'CONTACT_IS_FOLLOWER', 1);
148 define ( 'CONTACT_IS_SHARING', 2);
149 define ( 'CONTACT_IS_FRIEND', 3);
155 * DB update return values
158 define ( 'UPDATE_SUCCESS', 0);
159 define ( 'UPDATE_FAILED', 1);
164 * @name page/profile types
166 * PAGE_NORMAL is a typical personal profile account
167 * PAGE_SOAPBOX automatically approves all friend requests as CONTACT_IS_SHARING, (readonly)
168 * PAGE_COMMUNITY automatically approves all friend requests as CONTACT_IS_SHARING, but with
169 * write access to wall and comments (no email and not included in page owner's ACL lists)
170 * PAGE_FREELOVE automatically approves all friend requests as full friends (CONTACT_IS_FRIEND).
174 define ( 'PAGE_NORMAL', 0 );
175 define ( 'PAGE_SOAPBOX', 1 );
176 define ( 'PAGE_COMMUNITY', 2 );
177 define ( 'PAGE_FREELOVE', 3 );
178 define ( 'PAGE_BLOG', 4 );
179 define ( 'PAGE_PRVGROUP', 5 );
185 * Type of the community page
188 define ( 'CP_NO_COMMUNITY_PAGE', -1 );
189 define ( 'CP_USERS_ON_SERVER', 0 );
190 define ( 'CP_GLOBAL_COMMUNITY', 1 );
196 * Network and protocol family types
199 define ( 'NETWORK_DFRN', 'dfrn'); // Friendica, Mistpark, other DFRN implementations
200 define ( 'NETWORK_ZOT', 'zot!'); // Zot!
201 define ( 'NETWORK_OSTATUS', 'stat'); // status.net, identi.ca, GNU-social, other OStatus implementations
202 define ( 'NETWORK_FEED', 'feed'); // RSS/Atom feeds with no known "post/notify" protocol
203 define ( 'NETWORK_DIASPORA', 'dspr'); // Diaspora
204 define ( 'NETWORK_MAIL', 'mail'); // IMAP/POP
205 define ( 'NETWORK_MAIL2', 'mai2'); // extended IMAP/POP
206 define ( 'NETWORK_FACEBOOK', 'face'); // Facebook API
207 define ( 'NETWORK_LINKEDIN', 'lnkd'); // LinkedIn
208 define ( 'NETWORK_XMPP', 'xmpp'); // XMPP
209 define ( 'NETWORK_MYSPACE', 'mysp'); // MySpace
210 define ( 'NETWORK_GPLUS', 'goog'); // Google+
211 define ( 'NETWORK_PUMPIO', 'pump'); // pump.io
212 define ( 'NETWORK_TWITTER', 'twit'); // Twitter
213 define ( 'NETWORK_DIASPORA2', 'dspc'); // Diaspora connector
214 define ( 'NETWORK_STATUSNET', 'stac'); // Statusnet connector
215 define ( 'NETWORK_APPNET', 'apdn'); // app.net
216 define ( 'NETWORK_NEWS', 'nntp'); // Network News Transfer Protocol
217 define ( 'NETWORK_ICALENDAR', 'ical'); // iCalendar
218 define ( 'NETWORK_PHANTOM', 'unkn'); // Place holder
222 * These numbers are used in stored permissions
223 * and existing allocations MUST NEVER BE CHANGED
224 * OR RE-ASSIGNED! You may only add to them.
227 $netgroup_ids = array(
228 NETWORK_DFRN => (-1),
230 NETWORK_OSTATUS => (-3),
231 NETWORK_FEED => (-4),
232 NETWORK_DIASPORA => (-5),
233 NETWORK_MAIL => (-6),
234 NETWORK_MAIL2 => (-7),
235 NETWORK_FACEBOOK => (-8),
236 NETWORK_LINKEDIN => (-9),
237 NETWORK_XMPP => (-10),
238 NETWORK_MYSPACE => (-11),
239 NETWORK_GPLUS => (-12),
240 NETWORK_PUMPIO => (-13),
241 NETWORK_TWITTER => (-14),
242 NETWORK_DIASPORA2 => (-15),
243 NETWORK_STATUSNET => (-16),
244 NETWORK_APPNET => (-17),
245 NETWORK_NEWS => (-18),
246 NETWORK_ICALENDAR => (-19),
248 NETWORK_PHANTOM => (-127),
253 * Maximum number of "people who like (or don't like) this" that we will list by name
256 define ( 'MAX_LIKERS', 75);
259 * Communication timeout
262 define ( 'ZCURL_TIMEOUT' , (-1));
268 * Email notification options
271 define ( 'NOTIFY_INTRO', 0x0001 );
272 define ( 'NOTIFY_CONFIRM', 0x0002 );
273 define ( 'NOTIFY_WALL', 0x0004 );
274 define ( 'NOTIFY_COMMENT', 0x0008 );
275 define ( 'NOTIFY_MAIL', 0x0010 );
276 define ( 'NOTIFY_SUGGEST', 0x0020 );
277 define ( 'NOTIFY_PROFILE', 0x0040 );
278 define ( 'NOTIFY_TAGSELF', 0x0080 );
279 define ( 'NOTIFY_TAGSHARE', 0x0100 );
280 define ( 'NOTIFY_POKE', 0x0200 );
281 define ( 'NOTIFY_SHARE', 0x0400 );
283 define ( 'NOTIFY_SYSTEM', 0x8000 );
293 define ( 'TERM_UNKNOWN', 0 );
294 define ( 'TERM_HASHTAG', 1 );
295 define ( 'TERM_MENTION', 2 );
296 define ( 'TERM_CATEGORY', 3 );
297 define ( 'TERM_PCATEGORY', 4 );
298 define ( 'TERM_FILE', 5 );
299 define ( 'TERM_SAVEDSEARCH', 6 );
300 define ( 'TERM_CONVERSATION', 7 );
302 define ( 'TERM_OBJ_POST', 1 );
303 define ( 'TERM_OBJ_PHOTO', 2 );
310 * Various namespaces we may need to parse
313 define ( 'NAMESPACE_ZOT', 'http://purl.org/zot' );
314 define ( 'NAMESPACE_DFRN' , 'http://purl.org/macgirvin/dfrn/1.0' );
315 define ( 'NAMESPACE_THREAD' , 'http://purl.org/syndication/thread/1.0' );
316 define ( 'NAMESPACE_TOMB' , 'http://purl.org/atompub/tombstones/1.0' );
317 define ( 'NAMESPACE_ACTIVITY', 'http://activitystrea.ms/spec/1.0/' );
318 define ( 'NAMESPACE_ACTIVITY_SCHEMA', 'http://activitystrea.ms/schema/1.0/' );
319 define ( 'NAMESPACE_MEDIA', 'http://purl.org/syndication/atommedia' );
320 define ( 'NAMESPACE_SALMON_ME', 'http://salmon-protocol.org/ns/magic-env' );
321 define ( 'NAMESPACE_OSTATUSSUB', 'http://ostatus.org/schema/1.0/subscribe' );
322 define ( 'NAMESPACE_GEORSS', 'http://www.georss.org/georss' );
323 define ( 'NAMESPACE_POCO', 'http://portablecontacts.net/spec/1.0' );
324 define ( 'NAMESPACE_FEED', 'http://schemas.google.com/g/2010#updates-from' );
325 define ( 'NAMESPACE_OSTATUS', 'http://ostatus.org/schema/1.0' );
326 define ( 'NAMESPACE_STATUSNET', 'http://status.net/schema/api/1/' );
327 define ( 'NAMESPACE_ATOM1', 'http://www.w3.org/2005/Atom' );
333 * Activity stream defines
336 define ( 'ACTIVITY_LIKE', NAMESPACE_ACTIVITY_SCHEMA . 'like' );
337 define ( 'ACTIVITY_DISLIKE', NAMESPACE_DFRN . '/dislike' );
338 define ( 'ACTIVITY_ATTEND', NAMESPACE_ZOT . '/activity/attendyes' );
339 define ( 'ACTIVITY_ATTENDNO', NAMESPACE_ZOT . '/activity/attendno' );
340 define ( 'ACTIVITY_ATTENDMAYBE', NAMESPACE_ZOT . '/activity/attendmaybe' );
342 define ( 'ACTIVITY_OBJ_HEART', NAMESPACE_DFRN . '/heart' );
344 define ( 'ACTIVITY_FRIEND', NAMESPACE_ACTIVITY_SCHEMA . 'make-friend' );
345 define ( 'ACTIVITY_REQ_FRIEND', NAMESPACE_ACTIVITY_SCHEMA . 'request-friend' );
346 define ( 'ACTIVITY_UNFRIEND', NAMESPACE_ACTIVITY_SCHEMA . 'remove-friend' );
347 define ( 'ACTIVITY_FOLLOW', NAMESPACE_ACTIVITY_SCHEMA . 'follow' );
348 define ( 'ACTIVITY_UNFOLLOW', NAMESPACE_ACTIVITY_SCHEMA . 'stop-following' );
349 define ( 'ACTIVITY_JOIN', NAMESPACE_ACTIVITY_SCHEMA . 'join' );
351 define ( 'ACTIVITY_POST', NAMESPACE_ACTIVITY_SCHEMA . 'post' );
352 define ( 'ACTIVITY_UPDATE', NAMESPACE_ACTIVITY_SCHEMA . 'update' );
353 define ( 'ACTIVITY_TAG', NAMESPACE_ACTIVITY_SCHEMA . 'tag' );
354 define ( 'ACTIVITY_FAVORITE', NAMESPACE_ACTIVITY_SCHEMA . 'favorite' );
355 define ( 'ACTIVITY_SHARE', NAMESPACE_ACTIVITY_SCHEMA . 'share' );
357 define ( 'ACTIVITY_POKE', NAMESPACE_ZOT . '/activity/poke' );
358 define ( 'ACTIVITY_MOOD', NAMESPACE_ZOT . '/activity/mood' );
360 define ( 'ACTIVITY_OBJ_BOOKMARK', NAMESPACE_ACTIVITY_SCHEMA . 'bookmark' );
361 define ( 'ACTIVITY_OBJ_COMMENT', NAMESPACE_ACTIVITY_SCHEMA . 'comment' );
362 define ( 'ACTIVITY_OBJ_NOTE', NAMESPACE_ACTIVITY_SCHEMA . 'note' );
363 define ( 'ACTIVITY_OBJ_PERSON', NAMESPACE_ACTIVITY_SCHEMA . 'person' );
364 define ( 'ACTIVITY_OBJ_IMAGE', NAMESPACE_ACTIVITY_SCHEMA . 'image' );
365 define ( 'ACTIVITY_OBJ_PHOTO', NAMESPACE_ACTIVITY_SCHEMA . 'photo' );
366 define ( 'ACTIVITY_OBJ_VIDEO', NAMESPACE_ACTIVITY_SCHEMA . 'video' );
367 define ( 'ACTIVITY_OBJ_P_PHOTO', NAMESPACE_ACTIVITY_SCHEMA . 'profile-photo' );
368 define ( 'ACTIVITY_OBJ_ALBUM', NAMESPACE_ACTIVITY_SCHEMA . 'photo-album' );
369 define ( 'ACTIVITY_OBJ_EVENT', NAMESPACE_ACTIVITY_SCHEMA . 'event' );
370 define ( 'ACTIVITY_OBJ_GROUP', NAMESPACE_ACTIVITY_SCHEMA . 'group' );
371 define ( 'ACTIVITY_OBJ_TAGTERM', NAMESPACE_DFRN . '/tagterm' );
372 define ( 'ACTIVITY_OBJ_PROFILE', NAMESPACE_DFRN . '/profile' );
373 define ( 'ACTIVITY_OBJ_QUESTION', 'http://activityschema.org/object/question' );
379 * Item weight for query ordering
382 define ( 'GRAVITY_PARENT', 0);
383 define ( 'GRAVITY_LIKE', 3);
384 define ( 'GRAVITY_COMMENT', 6);
390 * Reverse the effect of magic_quotes_gpc if it is enabled.
391 * Please disable magic_quotes_gpc so we don't have to do this.
392 * See http://php.net/manual/en/security.magicquotes.disabling.php
398 error_reporting(E_ERROR | E_WARNING | E_PARSE);
402 // This has to be quite large to deal with embedded private photos
403 ini_set('pcre.backtrack_limit', 500000);
406 if (get_magic_quotes_gpc()) {
407 $process = array(&$_GET, &$_POST, &$_COOKIE, &$_REQUEST);
408 while (list($key, $val) = each($process)) {
409 foreach ($val as $k => $v) {
410 unset($process[$key][$k]);
412 $process[$key][stripslashes($k)] = $v;
413 $process[] = &$process[$key][stripslashes($k)];
415 $process[$key][stripslashes($k)] = stripslashes($v);
428 * @brief Our main application structure for the life of this page.
430 * Primarily deals with the URL that got us here
431 * and tries to make some sense of it, and
432 * stores our page contents and config storage
433 * and anything else that might need to be passed around
434 * before we spit the page out.
439 public $module_loaded = false;
440 public $query_string;
449 public $page_contact;
451 public $data = array();
452 public $error = false;
462 public $interactive = true;
464 public $apps = array();
468 public $is_friendica_app;
469 public $performance = array();
470 public $callstack = array();
477 // Allow themes to control internal parameters
478 // by changing App values in theme.php
480 public $sourcename = '';
481 public $videowidth = 425;
482 public $videoheight = 350;
483 public $force_max_items = 0;
484 public $theme_thread_allow = true;
485 public $theme_events_in_profile = true;
488 * @brief An array for all theme-controllable parameters
490 * Mostly unimplemented yet. Only options 'template_engine' and
493 public $theme = array(
496 'videoheight' => 350,
497 'force_max_items' => 0,
498 'thread_allow' => true,
500 'template_engine' => 'smarty3',
504 * @brief An array of registered template engines ('name'=>'class name')
506 public $template_engines = array();
508 * @brief An array of instanced template engines ('name'=>'instance')
510 public $template_engine_instance = array();
512 private $ldelim = array(
516 private $rdelim = array(
527 private $curl_content_type;
528 private $curl_headers;
530 private $cached_profile_image;
531 private $cached_profile_picdate;
534 * @brief App constructor.
536 function __construct() {
538 global $default_timezone;
542 if (file_exists(".htpreconfig.php"))
543 @include(".htpreconfig.php");
545 $this->timezone = ((x($default_timezone)) ? $default_timezone : 'UTC');
547 date_default_timezone_set($this->timezone);
549 $this->performance["start"] = microtime(true);
550 $this->performance["database"] = 0;
551 $this->performance["network"] = 0;
552 $this->performance["file"] = 0;
553 $this->performance["rendering"] = 0;
554 $this->performance["parser"] = 0;
555 $this->performance["marktime"] = 0;
557 $this->callstack["database"] = array();
558 $this->callstack["network"] = array();
559 $this->callstack["file"] = array();
560 $this->callstack["rendering"] = array();
561 $this->callstack["parser"] = array();
563 $this->config = array();
564 $this->page = array();
565 $this->pager= array();
567 $this->query_string = '';
572 'include' . PATH_SEPARATOR
573 . 'library' . PATH_SEPARATOR
574 . 'library/phpsec' . PATH_SEPARATOR
575 . 'library/langdet' . PATH_SEPARATOR
579 $this->scheme = 'http';
580 if(x($_SERVER,'HTTPS') && $_SERVER['HTTPS'])
581 $this->scheme = 'https';
582 elseif(x($_SERVER,'SERVER_PORT') && (intval($_SERVER['SERVER_PORT']) == 443))
583 $this->scheme = 'https';
585 if(x($_SERVER,'SERVER_NAME')) {
586 $this->hostname = $_SERVER['SERVER_NAME'];
588 // See bug 437 - this didn't work so disabling it
589 //if(stristr($this->hostname,'xn--')) {
590 // PHP or webserver may have converted idn to punycode, so
591 // convert punycode back to utf-8
592 // require_once('library/simplepie/idn/idna_convert.class.php');
593 // $x = new idna_convert();
594 // $this->hostname = $x->decode($_SERVER['SERVER_NAME']);
597 if(x($_SERVER,'SERVER_PORT') && $_SERVER['SERVER_PORT'] != 80 && $_SERVER['SERVER_PORT'] != 443)
598 $this->hostname .= ':' . $_SERVER['SERVER_PORT'];
600 * Figure out if we are running at the top of a domain
601 * or in a sub-directory and adjust accordingly
604 $path = trim(dirname($_SERVER['SCRIPT_NAME']),'/\\');
605 if(isset($path) && strlen($path) && ($path != $this->path))
610 $this->hostname = $hostname;
612 if (is_array($_SERVER["argv"]) && $_SERVER["argc"]>1 && substr(end($_SERVER["argv"]), 0, 4)=="http" ) {
613 $this->set_baseurl(array_pop($_SERVER["argv"]) );
617 #set_include_path("include/$this->hostname" . PATH_SEPARATOR . get_include_path());
619 if((x($_SERVER,'QUERY_STRING')) && substr($_SERVER['QUERY_STRING'],0,9) === "pagename=") {
620 $this->query_string = substr($_SERVER['QUERY_STRING'],9);
621 // removing trailing / - maybe a nginx problem
622 if (substr($this->query_string, 0, 1) == "/")
623 $this->query_string = substr($this->query_string, 1);
624 } elseif((x($_SERVER,'QUERY_STRING')) && substr($_SERVER['QUERY_STRING'],0,2) === "q=") {
625 $this->query_string = substr($_SERVER['QUERY_STRING'],2);
626 // removing trailing / - maybe a nginx problem
627 if (substr($this->query_string, 0, 1) == "/")
628 $this->query_string = substr($this->query_string, 1);
631 if (x($_GET,'pagename'))
632 $this->cmd = trim($_GET['pagename'],'/\\');
633 elseif (x($_GET,'q'))
634 $this->cmd = trim($_GET['q'],'/\\');
638 $this->query_string = str_replace($this->cmd."&",$this->cmd."?", $this->query_string);
641 // unix style "homedir"
643 if(substr($this->cmd,0,1) === '~')
644 $this->cmd = 'profile/' . substr($this->cmd,1);
646 // Diaspora style profile url
648 if(substr($this->cmd,0,2) === 'u/')
649 $this->cmd = 'profile/' . substr($this->cmd,2);
654 * Break the URL path into C style argc/argv style arguments for our
655 * modules. Given "http://example.com/module/arg1/arg2", $this->argc
656 * will be 3 (integer) and $this->argv will contain:
662 * There will always be one argument. If provided a naked domain
663 * URL, $this->argv[0] is set to "home".
667 $this->argv = explode('/',$this->cmd);
668 $this->argc = count($this->argv);
669 if((array_key_exists('0',$this->argv)) && strlen($this->argv[0])) {
670 $this->module = str_replace(".", "_", $this->argv[0]);
671 $this->module = str_replace("-", "_", $this->module);
675 $this->argv = array('home');
676 $this->module = 'home';
680 * See if there is any page number information, and initialise
684 $this->pager['page'] = ((x($_GET,'page') && intval($_GET['page']) > 0) ? intval($_GET['page']) : 1);
685 $this->pager['itemspage'] = 50;
686 $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
687 if($this->pager['start'] < 0)
688 $this->pager['start'] = 0;
689 $this->pager['total'] = 0;
692 * Detect mobile devices
695 $mobile_detect = new Mobile_Detect();
696 $this->is_mobile = $mobile_detect->isMobile();
697 $this->is_tablet = $mobile_detect->isTablet();
700 $this->is_friendica_app = ($_SERVER['HTTP_USER_AGENT'] == "Apache-HttpClient/UNAVAILABLE (java 1.4)");
703 * register template engines
705 $dc = get_declared_classes();
706 foreach ($dc as $k) {
707 if (in_array("ITemplateEngine", class_implements($k))){
708 $this->register_template_engine($k);
714 function get_basepath() {
716 $basepath = get_config("system", "basepath");
719 $basepath = dirname(__FILE__);
722 $basepath = $_SERVER["DOCUMENT_ROOT"];
725 $basepath = $_SERVER["PWD"];
730 function get_scheme() {
731 return($this->scheme);
734 function get_baseurl($ssl = false) {
736 $scheme = $this->scheme;
738 if((x($this->config,'system')) && (x($this->config['system'],'ssl_policy'))) {
739 if(intval($this->config['system']['ssl_policy']) === intval(SSL_POLICY_FULL))
742 // Basically, we have $ssl = true on any links which can only be seen by a logged in user
743 // (and also the login link). Anything seen by an outsider will have it turned off.
745 if($this->config['system']['ssl_policy'] == SSL_POLICY_SELFSIGN) {
753 if (get_config('config','hostname') != "")
754 $this->hostname = get_config('config','hostname');
756 $this->baseurl = $scheme . "://" . $this->hostname . ((isset($this->path) && strlen($this->path)) ? '/' . $this->path : '' );
757 return $this->baseurl;
760 function set_baseurl($url) {
761 $parsed = @parse_url($url);
763 $this->baseurl = $url;
766 $this->scheme = $parsed['scheme'];
768 $hostname = $parsed['host'];
769 if(x($parsed,'port'))
770 $hostname .= ':' . $parsed['port'];
771 if(x($parsed,'path'))
772 $this->path = trim($parsed['path'],'\\/');
774 if (file_exists(".htpreconfig.php"))
775 @include(".htpreconfig.php");
777 if (get_config('config','hostname') != "")
778 $this->hostname = get_config('config','hostname');
780 if (!isset($this->hostname) OR ($this->hostname == ""))
781 $this->hostname = $hostname;
786 function get_hostname() {
787 if (get_config('config','hostname') != "")
788 $this->hostname = get_config('config','hostname');
790 return $this->hostname;
793 function set_hostname($h) {
794 $this->hostname = $h;
797 function set_path($p) {
798 $this->path = trim(trim($p),'/');
801 function get_path() {
805 function set_pager_total($n) {
806 $this->pager['total'] = intval($n);
809 function set_pager_itemspage($n) {
810 $this->pager['itemspage'] = ((intval($n) > 0) ? intval($n) : 0);
811 $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
814 function set_pager_page($n) {
815 $this->pager['page'] = $n;
816 $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
819 function init_pagehead() {
820 $interval = ((local_user()) ? get_pconfig(local_user(),'system','update_interval') : 40000);
822 // If the update is "deactivated" set it to the highest integer number (~24 days)
824 $interval = 2147483647;
826 if($interval < 10000)
829 // compose the page title from the sitename and the
830 // current module called
831 if (!$this->module=='')
833 $this->page['title'] = $this->config['sitename'].' ('.$this->module.')';
835 $this->page['title'] = $this->config['sitename'];
838 /* put the head template at the beginning of page['htmlhead']
839 * since the code added by the modules frequently depends on it
842 if(!isset($this->page['htmlhead']))
843 $this->page['htmlhead'] = '';
845 // If we're using Smarty, then doing replace_macros() will replace
846 // any unrecognized variables with a blank string. Since we delay
847 // replacing $stylesheet until later, we need to replace it now
848 // with another variable name
849 if($this->theme['template_engine'] === 'smarty3')
850 $stylesheet = $this->get_template_ldelim('smarty3') . '$stylesheet' . $this->get_template_rdelim('smarty3');
852 $stylesheet = '$stylesheet';
854 $shortcut_icon = get_config("system", "shortcut_icon");
855 if ($shortcut_icon == "")
856 $shortcut_icon = $this->get_baseurl()."/images/friendica-32.png";
858 $touch_icon = get_config("system", "touch_icon");
859 if ($touch_icon == "")
860 $touch_icon = $this->get_baseurl()."/images/friendica-128.png";
862 $tpl = get_markup_template('head.tpl');
863 $this->page['htmlhead'] = replace_macros($tpl,array(
864 '$baseurl' => $this->get_baseurl(), // FIXME for z_path!!!!
865 '$local_user' => local_user(),
866 '$generator' => 'Friendica' . ' ' . FRIENDICA_VERSION,
867 '$delitem' => t('Delete this item?'),
868 '$comment' => t('Comment'),
869 '$showmore' => t('show more'),
870 '$showfewer' => t('show fewer'),
871 '$update_interval' => $interval,
872 '$shortcut_icon' => $shortcut_icon,
873 '$touch_icon' => $touch_icon,
874 '$stylesheet' => $stylesheet
875 )) . $this->page['htmlhead'];
878 function init_page_end() {
879 if(!isset($this->page['end']))
880 $this->page['end'] = '';
881 $tpl = get_markup_template('end.tpl');
882 $this->page['end'] = replace_macros($tpl,array(
883 '$baseurl' => $this->get_baseurl() // FIXME for z_path!!!!
884 )) . $this->page['end'];
887 function set_curl_code($code) {
888 $this->curl_code = $code;
891 function get_curl_code() {
892 return $this->curl_code;
895 function set_curl_content_type($content_type) {
896 $this->curl_content_type = $content_type;
899 function get_curl_content_type() {
900 return $this->curl_content_type;
903 function set_curl_headers($headers) {
904 $this->curl_headers = $headers;
907 function get_curl_headers() {
908 return $this->curl_headers;
911 function get_cached_avatar_image($avatar_image){
912 return $avatar_image;
914 // The following code is deactivated. It doesn't seem to make any sense and it slows down the system.
916 if($this->cached_profile_image[$avatar_image])
917 return $this->cached_profile_image[$avatar_image];
919 $path_parts = explode("/",$avatar_image);
920 $common_filename = $path_parts[count($path_parts)-1];
922 if($this->cached_profile_picdate[$common_filename]){
923 $this->cached_profile_image[$avatar_image] = $avatar_image . $this->cached_profile_picdate[$common_filename];
925 $r = q("SELECT `contact`.`avatar-date` AS picdate FROM `contact` WHERE `contact`.`thumb` like '%%/%s'",
928 $this->cached_profile_image[$avatar_image] = $avatar_image;
930 $this->cached_profile_picdate[$common_filename] = "?rev=".urlencode($r[0]['picdate']);
931 $this->cached_profile_image[$avatar_image] = $avatar_image.$this->cached_profile_picdate[$common_filename];
934 return $this->cached_profile_image[$avatar_image];
940 * @brief Register template engine class
942 * If $name is "", is used class static property $class::$name
944 * @param string $class
945 * @param string $name
947 function register_template_engine($class, $name = '') {
949 $v = get_class_vars( $class );
950 if(x($v,"name")) $name = $v['name'];
953 echo "template engine <tt>$class</tt> cannot be registered without a name.\n";
956 $this->template_engines[$name] = $class;
960 * @brief Return template engine instance.
962 * If $name is not defined, return engine defined by theme,
965 * @param strin $name Template engine name
966 * @return object Template Engine instance
968 function template_engine($name = ''){
970 $template_engine = $name;
972 $template_engine = 'smarty3';
973 if (x($this->theme, 'template_engine')) {
974 $template_engine = $this->theme['template_engine'];
978 if (isset($this->template_engines[$template_engine])){
979 if(isset($this->template_engine_instance[$template_engine])){
980 return $this->template_engine_instance[$template_engine];
982 $class = $this->template_engines[$template_engine];
984 $this->template_engine_instance[$template_engine] = $obj;
989 echo "template engine <tt>$template_engine</tt> is not registered!\n"; killme();
993 * @brief Returns the active template engine.
997 function get_template_engine() {
998 return $this->theme['template_engine'];
1001 function set_template_engine($engine = 'smarty3') {
1002 $this->theme['template_engine'] = $engine;
1004 $this->theme['template_engine'] = 'smarty3';
1008 if(is_writable('view/smarty3/'))
1009 $this->theme['template_engine'] = 'smarty3';
1017 function get_template_ldelim($engine = 'smarty3') {
1018 return $this->ldelim[$engine];
1021 function get_template_rdelim($engine = 'smarty3') {
1022 return $this->rdelim[$engine];
1025 function save_timestamp($stamp, $value) {
1026 $duration = (float)(microtime(true)-$stamp);
1028 $this->performance[$value] += (float)$duration;
1029 $this->performance["marktime"] += (float)$duration;
1031 // Trace the different functions with their timestamps
1032 $trace = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS, 5);
1034 array_shift($trace);
1036 $function = array();
1037 foreach ($trace AS $func)
1038 $function[] = $func["function"];
1040 $function = implode(", ", $function);
1042 $this->callstack[$value][$function] += (float)$duration;
1046 function mark_timestamp($mark) {
1047 //$this->performance["markstart"] -= microtime(true) - $this->performance["marktime"];
1048 $this->performance["markstart"] = microtime(true) - $this->performance["markstart"] - $this->performance["marktime"];
1051 function get_useragent() {
1052 return(FRIENDICA_PLATFORM." '".FRIENDICA_CODENAME."' ".FRIENDICA_VERSION."-".DB_UPDATE_VERSION."; ".$this->get_baseurl());
1055 function is_friendica_app() {
1056 return($this->is_friendica_app);
1062 * @brief Retrieve the App structure
1064 * Useful in functions which require it but don't get it passed to them
1066 function get_app() {
1073 * @brief Multi-purpose function to check variable state.
1075 * Usage: x($var) or $x($array, 'key')
1077 * returns false if variable/key is not set
1078 * if variable is set, returns 1 if has 'non-zero' value, otherwise returns 0.
1079 * e.g. x('') or x(0) returns 0;
1081 * @param string|array $s variable to check
1082 * @param string $k key inside the array to check
1086 function x($s,$k = NULL) {
1088 if((is_array($s)) && (array_key_exists($k,$s))) {
1108 * @brief Called from db initialisation if db is dead.
1110 function system_unavailable() {
1111 include('system_unavailable.php');
1117 function clean_urls() {
1119 // if($a->config['system']['clean_urls'])
1126 $base = $a->get_baseurl();
1133 * @brief Returns the baseurl.
1135 * @see App::get_baseurl()
1141 return $a->get_baseurl();
1145 * @brief Return absolut URL for given $path.
1147 * @param string $path
1151 function absurl($path) {
1152 if(strpos($path,'/') === 0)
1153 return z_path() . $path;
1158 * @brief Function to check if request was an AJAX (xmlhttprequest) request.
1162 function is_ajax() {
1163 return (!empty($_SERVER['HTTP_X_REQUESTED_WITH']) && strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) == 'xmlhttprequest');
1166 function check_db() {
1168 $build = get_config('system','build');
1170 set_config('system','build',DB_UPDATE_VERSION);
1171 $build = DB_UPDATE_VERSION;
1173 if($build != DB_UPDATE_VERSION)
1174 proc_run('php', 'include/dbupdate.php');
1180 * Sets the base url for use in cmdline programs which don't have
1181 * $_SERVER variables
1183 function check_url(&$a) {
1185 $url = get_config('system','url');
1187 // if the url isn't set or the stored url is radically different
1188 // than the currently visited url, store the current value accordingly.
1189 // "Radically different" ignores common variations such as http vs https
1190 // and www.example.com vs example.com.
1191 // We will only change the url to an ip address if there is no existing setting
1194 $url = set_config('system','url',$a->get_baseurl());
1195 if((! link_compare($url,$a->get_baseurl())) && (! preg_match("/^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/",$a->get_hostname)))
1196 $url = set_config('system','url',$a->get_baseurl());
1203 * @brief Automatic database updates
1205 function update_db(&$a) {
1206 $build = get_config('system','build');
1208 $build = set_config('system','build',DB_UPDATE_VERSION);
1210 if($build != DB_UPDATE_VERSION) {
1211 $stored = intval($build);
1212 $current = intval(DB_UPDATE_VERSION);
1213 if($stored < $current) {
1214 load_config('database');
1216 // We're reporting a different version than what is currently installed.
1217 // Run any existing update scripts to bring the database up to current.
1219 // make sure that boot.php and update.php are the same release, we might be
1220 // updating right this very second and the correct version of the update.php
1221 // file may not be here yet. This can happen on a very busy site.
1223 if(DB_UPDATE_VERSION == UPDATE_VERSION) {
1224 // Compare the current structure with the defined structure
1226 $t = get_config('database','dbupdate_'.DB_UPDATE_VERSION);
1230 set_config('database','dbupdate_'.DB_UPDATE_VERSION, time());
1232 // run old update routine (wich could modify the schema and
1233 // conflits with new routine)
1234 for ($x = $stored; $x < NEW_UPDATE_ROUTINE_VERSION; $x++) {
1235 $r = run_update_function($x);
1238 if ($stored < NEW_UPDATE_ROUTINE_VERSION) $stored = NEW_UPDATE_ROUTINE_VERSION;
1241 // run new update routine
1242 // it update the structure in one call
1243 $retval = update_structure(false, true);
1251 set_config('database','dbupdate_'.DB_UPDATE_VERSION, 'success');
1254 // run any left update_nnnn functions in update.php
1255 for($x = $stored; $x < $current; $x ++) {
1256 $r = run_update_function($x);
1266 function run_update_function($x) {
1267 if(function_exists('update_' . $x)) {
1269 // There could be a lot of processes running or about to run.
1270 // We want exactly one process to run the update command.
1271 // So store the fact that we're taking responsibility
1272 // after first checking to see if somebody else already has.
1274 // If the update fails or times-out completely you may need to
1275 // delete the config entry to try again.
1277 $t = get_config('database','update_' . $x);
1280 set_config('database','update_' . $x, time());
1282 // call the specific update
1284 $func = 'update_' . $x;
1288 //send the administrator an e-mail
1291 sprintf(t('Update %s failed. See error logs.'), $x)
1295 set_config('database','update_' . $x, 'success');
1296 set_config('system','build', $x + 1);
1300 set_config('database','update_' . $x, 'success');
1301 set_config('system','build', $x + 1);
1308 * @brief Synchronise plugins:
1310 * $a->config['system']['addon'] contains a comma-separated list of names
1311 * of plugins/addons which are used on this system.
1312 * Go through the database list of already installed addons, and if we have
1313 * an entry, but it isn't in the config list, call the uninstall procedure
1314 * and mark it uninstalled in the database (for now we'll remove it).
1315 * Then go through the config list and if we have a plugin that isn't installed,
1316 * call the install procedure and add it to the database.
1321 function check_plugins(&$a) {
1323 $r = q("SELECT * FROM `addon` WHERE `installed` = 1");
1327 $installed = array();
1329 $plugins = get_config('system','addon');
1330 $plugins_arr = array();
1333 $plugins_arr = explode(',',str_replace(' ', '',$plugins));
1335 $a->plugins = $plugins_arr;
1337 $installed_arr = array();
1339 if(count($installed)) {
1340 foreach($installed as $i) {
1341 if(! in_array($i['name'],$plugins_arr)) {
1342 uninstall_plugin($i['name']);
1345 $installed_arr[] = $i['name'];
1350 if(count($plugins_arr)) {
1351 foreach($plugins_arr as $p) {
1352 if(! in_array($p,$installed_arr)) {
1364 function get_guid($size=16, $prefix = "") {
1366 if ($prefix == "") {
1368 $prefix = hash("crc32", $a->get_hostname());
1371 while (strlen($prefix) < ($size - 13))
1372 $prefix .= mt_rand();
1375 $prefix = substr($prefix, 0, $size - 22);
1376 return(str_replace(".", "", uniqid($prefix, true)));
1378 $prefix = substr($prefix, 0, max($size - 13, 0));
1379 return(uniqid($prefix));
1384 * @brief Wrapper for adding a login box.
1386 * @param bool $register
1387 * If $register == true provide a registration link.
1388 * This will most always depend on the value of $a->config['register_policy'].
1389 * @param bool $hiddens
1392 * Returns the complete html for inserting into the page
1394 * @hooks 'login_hook'
1397 function login($register = false, $hiddens=false) {
1403 'title' => t('Create a New Account'),
1404 'desc' => t('Register')
1408 $noid = get_config('system','no_openid');
1410 $dest_url = $a->get_baseurl(true) . '/' . $a->query_string;
1413 $tpl = get_markup_template("logout.tpl");
1416 $a->page['htmlhead'] .= replace_macros(get_markup_template("login_head.tpl"),array(
1417 '$baseurl' => $a->get_baseurl(true)
1420 $tpl = get_markup_template("login.tpl");
1421 $_SESSION['return_url'] = $a->query_string;
1422 $a->module = 'login';
1425 $o .= replace_macros($tpl, array(
1427 '$dest_url' => $dest_url,
1428 '$logout' => t('Logout'),
1429 '$login' => t('Login'),
1431 '$lname' => array('username', t('Nickname or Email address: ') , '', ''),
1432 '$lpassword' => array('password', t('Password: '), '', ''),
1433 '$lremember' => array('remember', t('Remember me'), 0, ''),
1435 '$openid' => !$noid,
1436 '$lopenid' => array('openid_url', t('Or login using OpenID: '),'',''),
1438 '$hiddens' => $hiddens,
1440 '$register' => $reg,
1442 '$lostpass' => t('Forgot your password?'),
1443 '$lostlink' => t('Password Reset'),
1445 '$tostitle' => t('Website Terms of Service'),
1446 '$toslink' => t('terms of service'),
1448 '$privacytitle' => t('Website Privacy Policy'),
1449 '$privacylink' => t('privacy policy'),
1453 call_hooks('login_hook',$o);
1459 * @brief Used to end the current process, after saving session state.
1462 session_write_close();
1467 * @brief Redirect to another URL and terminate this process.
1469 function goaway($s) {
1470 header("Location: $s");
1476 * @brief Returns the user id of locally logged in user or false.
1478 * @return int|bool user id or false
1480 function local_user() {
1481 if((x($_SESSION,'authenticated')) && (x($_SESSION,'uid')))
1482 return intval($_SESSION['uid']);
1487 * @brief Returns contact id of authenticated site visitor or false
1489 * @return int|bool visitor_id or false
1491 function remote_user() {
1492 if((x($_SESSION,'authenticated')) && (x($_SESSION,'visitor_id')))
1493 return intval($_SESSION['visitor_id']);
1498 * @brief Show an error message to user.
1500 * This function save text in session, to be shown to the user at next page load
1502 * @param string $s - Text of notice
1504 function notice($s) {
1506 if(! x($_SESSION,'sysmsg')) $_SESSION['sysmsg'] = array();
1508 $_SESSION['sysmsg'][] = $s;
1512 * @brief Show an info message to user.
1514 * This function save text in session, to be shown to the user at next page load
1516 * @param string $s - Text of notice
1521 if (local_user() AND get_pconfig(local_user(),'system','ignore_info'))
1524 if(! x($_SESSION,'sysmsg_info')) $_SESSION['sysmsg_info'] = array();
1526 $_SESSION['sysmsg_info'][] = $s;
1531 * @brief Wrapper around config to limit the text length of an incoming message
1535 function get_max_import_size() {
1537 return ((x($a->config,'max_import_size')) ? $a->config['max_import_size'] : 0 );
1541 * @brief Wrap calls to proc_close(proc_open()) and call hook
1542 * so plugins can take part in process :)
1544 * @param string $cmd program to run
1546 * next args are passed as $cmd command line
1547 * e.g.: proc_run("ls","-la","/tmp");
1549 * @note $cmd and string args are surrounded with ""
1554 function proc_run($cmd){
1558 $args = func_get_args();
1564 // expand any arrays
1566 foreach($args as $arg) {
1567 if(is_array($arg)) {
1568 foreach($arg as $n) {
1578 $arr = array('args' => $args, 'run_cmd' => true);
1580 call_hooks("proc_run", $arr);
1581 if(! $arr['run_cmd'])
1584 if(count($args) && $args[0] === 'php') {
1586 if (get_config("system", "worker")) {
1590 $parameters = json_encode($argv);
1591 $found = q("SELECT `id` FROM `workerqueue` WHERE `parameter` = '%s'",
1592 dbesc($parameters));
1595 q("INSERT INTO `workerqueue` (`parameter`, `created`, `priority`)
1596 VALUES ('%s', '%s', %d)",
1598 dbesc(datetime_convert()),
1601 // Should we quit and wait for the poller to be called as a cronjob?
1602 if (get_config("system", "worker_dont_fork"))
1605 // Checking number of workers
1606 $workers = q("SELECT COUNT(*) AS `workers` FROM `workerqueue` WHERE `executed` != '0000-00-00 00:00:00'");
1608 // Get number of allowed number of worker threads
1609 $queues = intval(get_config("system", "worker_queues"));
1614 // If there are already enough workers running, don't fork another one
1615 if ($workers[0]["workers"] >= $queues)
1618 // Now call the poller to execute the jobs that we just added to the queue
1619 $args = array("php", "include/poller.php", "no_cron");
1622 $args[0] = ((x($a->config,'php_path')) && (strlen($a->config['php_path'])) ? $a->config['php_path'] : 'php');
1625 // add baseurl to args. cli scripts can't construct it
1626 $args[] = $a->get_baseurl();
1628 for($x = 0; $x < count($args); $x ++)
1629 $args[$x] = escapeshellarg($args[$x]);
1631 $cmdline = implode($args," ");
1633 if(get_config('system','proc_windows'))
1634 proc_close(proc_open('cmd /c start /b ' . $cmdline,array(),$foo,dirname(__FILE__)));
1636 proc_close(proc_open($cmdline." &",array(),$foo,dirname(__FILE__)));
1639 function current_theme(){
1640 $app_base_themes = array('duepuntozero', 'dispy', 'quattro');
1646 // Find the theme that belongs to the user whose stuff we are looking at
1648 if($a->profile_uid && ($a->profile_uid != local_user())) {
1649 $r = q("select theme from user where uid = %d limit 1",
1650 intval($a->profile_uid)
1653 $page_theme = $r[0]['theme'];
1656 // Allow folks to over-rule user themes and always use their own on their own site.
1657 // This works only if the user is on the same server
1659 if($page_theme && local_user() && (local_user() != $a->profile_uid)) {
1660 if(get_pconfig(local_user(),'system','always_my_theme'))
1664 // $mobile_detect = new Mobile_Detect();
1665 // $is_mobile = $mobile_detect->isMobile() || $mobile_detect->isTablet();
1666 $is_mobile = $a->is_mobile || $a->is_tablet;
1668 $standard_system_theme = ((isset($a->config['system']['theme'])) ? $a->config['system']['theme'] : '');
1669 $standard_theme_name = ((isset($_SESSION) && x($_SESSION,'theme')) ? $_SESSION['theme'] : $standard_system_theme);
1672 if(isset($_SESSION['show-mobile']) && !$_SESSION['show-mobile']) {
1673 $system_theme = $standard_system_theme;
1674 $theme_name = $standard_theme_name;
1677 $system_theme = ((isset($a->config['system']['mobile-theme'])) ? $a->config['system']['mobile-theme'] : $standard_system_theme);
1678 $theme_name = ((isset($_SESSION) && x($_SESSION,'mobile-theme')) ? $_SESSION['mobile-theme'] : $system_theme);
1680 if($theme_name === '---') {
1681 // user has selected to have the mobile theme be the same as the normal one
1682 $system_theme = $standard_system_theme;
1683 $theme_name = $standard_theme_name;
1686 $theme_name = $page_theme;
1691 $system_theme = $standard_system_theme;
1692 $theme_name = $standard_theme_name;
1695 $theme_name = $page_theme;
1699 (file_exists('view/theme/' . $theme_name . '/style.css') ||
1700 file_exists('view/theme/' . $theme_name . '/style.php')))
1701 return($theme_name);
1703 foreach($app_base_themes as $t) {
1704 if(file_exists('view/theme/' . $t . '/style.css')||
1705 file_exists('view/theme/' . $t . '/style.php'))
1709 $fallback = array_merge(glob('view/theme/*/style.css'),glob('view/theme/*/style.php'));
1710 if(count($fallback))
1711 return (str_replace('view/theme/','', substr($fallback[0],0,-10)));
1716 * @brief Return full URL to theme which is currently in effect.
1718 * Provide a sane default if nothing is chosen or the specified theme does not exist.
1722 function current_theme_url() {
1725 $t = current_theme();
1727 $opts = (($a->profile_uid) ? '?f=&puid=' . $a->profile_uid : '');
1728 if (file_exists('view/theme/' . $t . '/style.php'))
1729 return($a->get_baseurl() . '/view/theme/' . $t . '/style.pcss' . $opts);
1731 return($a->get_baseurl() . '/view/theme/' . $t . '/style.css');
1734 function feed_birthday($uid,$tz) {
1738 * Determine the next birthday, but only if the birthday is published
1739 * in the default profile. We _could_ also look for a private profile that the
1740 * recipient can see, but somebody could get mad at us if they start getting
1741 * public birthday greetings when they haven't made this info public.
1743 * Assuming we are able to publish this info, we are then going to convert
1744 * the start time from the owner's timezone to UTC.
1746 * This will potentially solve the problem found with some social networks
1747 * where birthdays are converted to the viewer's timezone and salutations from
1748 * elsewhere in the world show up on the wrong day. We will convert it to the
1749 * viewer's timezone also, but first we are going to convert it from the birthday
1750 * person's timezone to GMT - so the viewer may find the birthday starting at
1751 * 6:00PM the day before, but that will correspond to midnight to the birthday person.
1761 $p = q("SELECT `dob` FROM `profile` WHERE `is-default` = 1 AND `uid` = %d LIMIT 1",
1765 if($p && count($p)) {
1766 $tmp_dob = substr($p[0]['dob'],5);
1767 if(intval($tmp_dob)) {
1768 $y = datetime_convert($tz,$tz,'now','Y');
1769 $bd = $y . '-' . $tmp_dob . ' 00:00';
1770 $t_dob = strtotime($bd);
1771 $now = strtotime(datetime_convert($tz,$tz,'now'));
1773 $bd = $y + 1 . '-' . $tmp_dob . ' 00:00';
1774 $birthday = datetime_convert($tz,'UTC',$bd,ATOM_TIME);
1782 * @brief Check if current user has admin role.
1784 * @return bool true if user is an admin
1786 function is_site_admin() {
1789 $adminlist = explode(",", str_replace(" ", "", $a->config['admin_email']));
1791 //if(local_user() && x($a->user,'email') && x($a->config,'admin_email') && ($a->user['email'] === $a->config['admin_email']))
1792 if(local_user() && x($a->user,'email') && x($a->config,'admin_email') && in_array($a->user['email'], $adminlist))
1798 function load_contact_links($uid) {
1804 if(! $uid || x($a->contacts,'empty'))
1807 $r = q("SELECT `id`,`network`,`url`,`thumb`, `rel` FROM `contact` WHERE `uid` = %d AND `self` = 0 AND `blocked` = 0 AND `thumb` != ''",
1812 $url = normalise_link($rr['url']);
1816 $ret['empty'] = true;
1818 $a->contacts = $ret;
1823 * @brief Returns querystring as string from a mapped array.
1825 * @param array $params mapped array with query parameters
1826 * @param string $name of parameter, default null
1830 function build_querystring($params, $name=null) {
1832 foreach($params as $key=>$val) {
1833 if(is_array($val)) {
1835 $ret .= build_querystring($val, $key);
1837 $ret .= build_querystring($val, $name."[$key]");
1840 $val = urlencode($val);
1842 $ret.=$name."[$key]"."=$val&";
1844 $ret.= "$key=$val&";
1851 function explode_querystring($query) {
1852 $arg_st = strpos($query, '?');
1853 if($arg_st !== false) {
1854 $base = substr($query, 0, $arg_st);
1861 $args = explode('&', substr($query, $arg_st));
1862 foreach($args as $k=>$arg) {
1866 $args = array_values($args);
1871 $args = array_values($args);
1881 * Returns the complete URL of the current page, e.g.: http(s)://something.com/network
1883 * Taken from http://webcheatsheet.com/php/get_current_page_url.php
1885 function curPageURL() {
1887 if ($_SERVER["HTTPS"] == "on") {$pageURL .= "s";}
1889 if ($_SERVER["SERVER_PORT"] != "80" && $_SERVER["SERVER_PORT"] != "443") {
1890 $pageURL .= $_SERVER["SERVER_NAME"].":".$_SERVER["SERVER_PORT"].$_SERVER["REQUEST_URI"];
1892 $pageURL .= $_SERVER["SERVER_NAME"].$_SERVER["REQUEST_URI"];
1897 function random_digits($digits) {
1899 for($i = 0; $i < $digits; $i++) {
1905 function get_server() {
1906 $server = get_config("system", "directory");
1909 $server = "http://dir.friendi.ca";
1914 function get_cachefile($file, $writemode = true) {
1915 $cache = get_itemcachepath();
1917 if ((! $cache) || (! is_dir($cache)))
1920 $subfolder = $cache."/".substr($file, 0, 2);
1922 $cachepath = $subfolder."/".$file;
1925 if (!is_dir($subfolder)) {
1927 chmod($subfolder, 0777);
1934 function clear_cache($basepath = "", $path = "") {
1936 $basepath = get_itemcachepath();
1940 if (($path == "") OR (!is_dir($path)))
1943 if (substr(realpath($path), 0, strlen($basepath)) != $basepath)
1946 $cachetime = (int)get_config('system','itemcache_duration');
1947 if ($cachetime == 0)
1950 if (is_writable($path)){
1951 if ($dh = opendir($path)) {
1952 while (($file = readdir($dh)) !== false) {
1953 $fullpath = $path."/".$file;
1954 if ((filetype($fullpath) == "dir") and ($file != ".") and ($file != ".."))
1955 clear_cache($basepath, $fullpath);
1956 if ((filetype($fullpath) == "file") and (filectime($fullpath) < (time() - $cachetime)))
1964 function get_itemcachepath() {
1965 // Checking, if the cache is deactivated
1966 $cachetime = (int)get_config('system','itemcache_duration');
1970 $itemcache = get_config('system','itemcache');
1971 if (($itemcache != "") AND is_dir($itemcache) AND is_writable($itemcache))
1974 $temppath = get_temppath();
1976 if ($temppath != "") {
1977 $itemcache = $temppath."/itemcache";
1978 if(!file_exists($itemcache) && !is_dir($itemcache)) {
1982 if (is_dir($itemcache) AND is_writable($itemcache)) {
1983 set_config("system", "itemcache", $itemcache);
1990 function get_lockpath() {
1991 $lockpath = get_config('system','lockpath');
1992 if (($lockpath != "") AND is_dir($lockpath) AND is_writable($lockpath))
1995 $temppath = get_temppath();
1997 if ($temppath != "") {
1998 $lockpath = $temppath."/lock";
2000 if (!is_dir($lockpath))
2002 elseif (!is_writable($lockpath))
2003 $lockpath = $temppath;
2005 if (is_dir($lockpath) AND is_writable($lockpath)) {
2006 set_config("system", "lockpath", $lockpath);
2013 function get_temppath() {
2016 $temppath = get_config("system","temppath");
2017 if (($temppath != "") AND is_dir($temppath) AND is_writable($temppath))
2020 $temppath = sys_get_temp_dir();
2021 if (($temppath != "") AND is_dir($temppath) AND is_writable($temppath)) {
2022 $temppath .= "/".$a->get_hostname();
2023 if (!is_dir($temppath))
2026 if (is_dir($temppath) AND is_writable($temppath)) {
2027 set_config("system", "temppath", $temppath);
2035 function set_template_engine(&$a, $engine = 'internal') {
2036 /// @note This function is no longer necessary, but keep it as a wrapper to the class method
2037 /// to avoid breaking themes again unnecessarily
2039 $a->set_template_engine($engine);
2042 if(!function_exists('exif_imagetype')) {
2043 function exif_imagetype($file) {
2044 $size = getimagesize($file);
2049 function validate_include(&$file) {
2052 $file = realpath($file);
2054 if (strpos($file, getcwd()) !== 0)
2057 $file = str_replace(getcwd()."/", "", $file, $count);
2061 if ($orig_file !== $file)
2065 if (strpos($file, "include/") === 0)
2068 if (strpos($file, "addon/") === 0)
2077 function current_load() {
2078 if (!function_exists('sys_getloadavg'))
2081 $load_arr = sys_getloadavg();
2083 if (!is_array($load_arr))
2086 return max($load_arr);
2090 * @brief get c-style args
2095 return get_app()->argc;
2099 * @brief Returns the value of a argv key
2101 * @param int $x argv key
2102 * @return string Value of the argv key
2105 if(array_key_exists($x,get_app()->argv))
2106 return get_app()->argv[$x];