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/autoloader.php');
22 use \Friendica\Core\Config;
24 require_once('include/config.php');
25 require_once('include/network.php');
26 require_once('include/plugin.php');
27 require_once('include/text.php');
28 require_once('include/datetime.php');
29 require_once('include/pgettext.php');
30 require_once('include/nav.php');
31 require_once('include/cache.php');
32 require_once('library/Mobile_Detect/Mobile_Detect.php');
33 require_once('include/features.php');
34 require_once('include/identity.php');
35 require_once('update.php');
36 require_once('include/dbstructure.php');
38 define ( 'FRIENDICA_PLATFORM', 'Friendica');
39 define ( 'FRIENDICA_CODENAME', 'Asparagus');
40 define ( 'FRIENDICA_VERSION', '3.5.1-rc' );
41 define ( 'DFRN_PROTOCOL_VERSION', '2.23' );
42 define ( 'DB_UPDATE_VERSION', 1214 );
45 * @brief Constant with a HTML line break.
47 * Contains a HTML line break (br) element and a real carriage return with line
48 * feed for the source.
49 * This can be used in HTML and JavaScript where needed a line break.
51 define ( 'EOL', "<br />\r\n" );
52 define ( 'ATOM_TIME', 'Y-m-d\TH:i:s\Z' );
56 * @brief Image storage quality.
58 * Lower numbers save space at cost of image detail.
59 * For ease of upgrade, please do not change here. Change jpeg quality with
60 * $a->config['system']['jpeg_quality'] = n;
61 * in .htconfig.php, where n is netween 1 and 100, and with very poor results
66 define ( 'JPEG_QUALITY', 100 );
68 * $a->config['system']['png_quality'] from 0 (uncompressed) to 9
70 define ( 'PNG_QUALITY', 8 );
74 * An alternate way of limiting picture upload sizes. Specify the maximum pixel
75 * length that pictures are allowed to be (for non-square pictures, it will apply
76 * to the longest side). Pictures longer than this length will be resized to be
77 * this length (on the longest side, the other side will be scaled appropriately).
78 * Modify this value using
80 * $a->config['system']['max_image_length'] = n;
84 * If you don't want to set a maximum length, set to -1. The default value is
85 * defined by 'MAX_IMAGE_LENGTH' below.
88 define ( 'MAX_IMAGE_LENGTH', -1 );
95 define ( 'DEFAULT_DB_ENGINE', 'MyISAM' );
100 * SSL redirection policies
103 define ( 'SSL_POLICY_NONE', 0 );
104 define ( 'SSL_POLICY_FULL', 1 );
105 define ( 'SSL_POLICY_SELFSIGN', 2 );
114 define ( 'LOGGER_NORMAL', 0 );
115 define ( 'LOGGER_TRACE', 1 );
116 define ( 'LOGGER_DEBUG', 2 );
117 define ( 'LOGGER_DATA', 3 );
118 define ( 'LOGGER_ALL', 4 );
127 define ( 'CACHE_MONTH', 0 );
128 define ( 'CACHE_WEEK', 1 );
129 define ( 'CACHE_DAY', 2 );
130 define ( 'CACHE_HOUR', 3 );
131 define ( 'CACHE_HALF_HOUR', 4 );
132 define ( 'CACHE_QUARTER_HOUR', 5 );
133 define ( 'CACHE_FIVE_MINUTES', 6 );
134 define ( 'CACHE_MINUTE', 7 );
140 * Registration policies
143 define ( 'REGISTER_CLOSED', 0 );
144 define ( 'REGISTER_APPROVE', 1 );
145 define ( 'REGISTER_OPEN', 2 );
154 define ( 'CONTACT_IS_FOLLOWER', 1);
155 define ( 'CONTACT_IS_SHARING', 2);
156 define ( 'CONTACT_IS_FRIEND', 3);
162 * DB update return values
165 define ( 'UPDATE_SUCCESS', 0);
166 define ( 'UPDATE_FAILED', 1);
171 * @name page/profile types
173 * PAGE_NORMAL is a typical personal profile account
174 * PAGE_SOAPBOX automatically approves all friend requests as CONTACT_IS_SHARING, (readonly)
175 * PAGE_COMMUNITY automatically approves all friend requests as CONTACT_IS_SHARING, but with
176 * write access to wall and comments (no email and not included in page owner's ACL lists)
177 * PAGE_FREELOVE automatically approves all friend requests as full friends (CONTACT_IS_FRIEND).
181 define ( 'PAGE_NORMAL', 0 );
182 define ( 'PAGE_SOAPBOX', 1 );
183 define ( 'PAGE_COMMUNITY', 2 );
184 define ( 'PAGE_FREELOVE', 3 );
185 define ( 'PAGE_BLOG', 4 );
186 define ( 'PAGE_PRVGROUP', 5 );
190 * @name account types
192 * ACCOUNT_TYPE_PERSON - the account belongs to a person
193 * Associated page types: PAGE_NORMAL, PAGE_SOAPBOX, PAGE_FREELOVE
195 * ACCOUNT_TYPE_ORGANISATION - the account belongs to an organisation
196 * Associated page type: PAGE_SOAPBOX
198 * ACCOUNT_TYPE_NEWS - the account is a news reflector
199 * Associated page type: PAGE_SOAPBOX
201 * ACCOUNT_TYPE_COMMUNITY - the account is community forum
202 * Associated page types: PAGE_COMMUNITY, PAGE_PRVGROUP
205 define ( 'ACCOUNT_TYPE_PERSON', 0 );
206 define ( 'ACCOUNT_TYPE_ORGANISATION',1 );
207 define ( 'ACCOUNT_TYPE_NEWS', 2 );
208 define ( 'ACCOUNT_TYPE_COMMUNITY', 3 );
214 * Type of the community page
217 define ( 'CP_NO_COMMUNITY_PAGE', -1 );
218 define ( 'CP_USERS_ON_SERVER', 0 );
219 define ( 'CP_GLOBAL_COMMUNITY', 1 );
225 * Network and protocol family types
228 define ( 'NETWORK_DFRN', 'dfrn'); // Friendica, Mistpark, other DFRN implementations
229 define ( 'NETWORK_ZOT', 'zot!'); // Zot!
230 define ( 'NETWORK_OSTATUS', 'stat'); // status.net, identi.ca, GNU-social, other OStatus implementations
231 define ( 'NETWORK_FEED', 'feed'); // RSS/Atom feeds with no known "post/notify" protocol
232 define ( 'NETWORK_DIASPORA', 'dspr'); // Diaspora
233 define ( 'NETWORK_MAIL', 'mail'); // IMAP/POP
234 define ( 'NETWORK_MAIL2', 'mai2'); // extended IMAP/POP
235 define ( 'NETWORK_FACEBOOK', 'face'); // Facebook API
236 define ( 'NETWORK_LINKEDIN', 'lnkd'); // LinkedIn
237 define ( 'NETWORK_XMPP', 'xmpp'); // XMPP
238 define ( 'NETWORK_MYSPACE', 'mysp'); // MySpace
239 define ( 'NETWORK_GPLUS', 'goog'); // Google+
240 define ( 'NETWORK_PUMPIO', 'pump'); // pump.io
241 define ( 'NETWORK_TWITTER', 'twit'); // Twitter
242 define ( 'NETWORK_DIASPORA2', 'dspc'); // Diaspora connector
243 define ( 'NETWORK_STATUSNET', 'stac'); // Statusnet connector
244 define ( 'NETWORK_APPNET', 'apdn'); // app.net
245 define ( 'NETWORK_NEWS', 'nntp'); // Network News Transfer Protocol
246 define ( 'NETWORK_ICALENDAR', 'ical'); // iCalendar
247 define ( 'NETWORK_PNUT', 'pnut'); // pnut.io
248 define ( 'NETWORK_PHANTOM', 'unkn'); // Place holder
252 * These numbers are used in stored permissions
253 * and existing allocations MUST NEVER BE CHANGED
254 * OR RE-ASSIGNED! You may only add to them.
257 $netgroup_ids = array(
258 NETWORK_DFRN => (-1),
260 NETWORK_OSTATUS => (-3),
261 NETWORK_FEED => (-4),
262 NETWORK_DIASPORA => (-5),
263 NETWORK_MAIL => (-6),
264 NETWORK_MAIL2 => (-7),
265 NETWORK_FACEBOOK => (-8),
266 NETWORK_LINKEDIN => (-9),
267 NETWORK_XMPP => (-10),
268 NETWORK_MYSPACE => (-11),
269 NETWORK_GPLUS => (-12),
270 NETWORK_PUMPIO => (-13),
271 NETWORK_TWITTER => (-14),
272 NETWORK_DIASPORA2 => (-15),
273 NETWORK_STATUSNET => (-16),
274 NETWORK_APPNET => (-17),
275 NETWORK_NEWS => (-18),
276 NETWORK_ICALENDAR => (-19),
277 NETWORK_PNUT => (-20),
279 NETWORK_PHANTOM => (-127),
284 * Maximum number of "people who like (or don't like) this" that we will list by name
287 define ( 'MAX_LIKERS', 75);
290 * Communication timeout
293 define ( 'ZCURL_TIMEOUT' , (-1));
299 * Email notification options
302 define ( 'NOTIFY_INTRO', 0x0001 );
303 define ( 'NOTIFY_CONFIRM', 0x0002 );
304 define ( 'NOTIFY_WALL', 0x0004 );
305 define ( 'NOTIFY_COMMENT', 0x0008 );
306 define ( 'NOTIFY_MAIL', 0x0010 );
307 define ( 'NOTIFY_SUGGEST', 0x0020 );
308 define ( 'NOTIFY_PROFILE', 0x0040 );
309 define ( 'NOTIFY_TAGSELF', 0x0080 );
310 define ( 'NOTIFY_TAGSHARE', 0x0100 );
311 define ( 'NOTIFY_POKE', 0x0200 );
312 define ( 'NOTIFY_SHARE', 0x0400 );
314 define ( 'NOTIFY_SYSTEM', 0x8000 );
324 define ( 'TERM_UNKNOWN', 0 );
325 define ( 'TERM_HASHTAG', 1 );
326 define ( 'TERM_MENTION', 2 );
327 define ( 'TERM_CATEGORY', 3 );
328 define ( 'TERM_PCATEGORY', 4 );
329 define ( 'TERM_FILE', 5 );
330 define ( 'TERM_SAVEDSEARCH', 6 );
331 define ( 'TERM_CONVERSATION', 7 );
333 define ( 'TERM_OBJ_POST', 1 );
334 define ( 'TERM_OBJ_PHOTO', 2 );
341 * Various namespaces we may need to parse
344 define ( 'NAMESPACE_ZOT', 'http://purl.org/zot' );
345 define ( 'NAMESPACE_DFRN' , 'http://purl.org/macgirvin/dfrn/1.0' );
346 define ( 'NAMESPACE_THREAD' , 'http://purl.org/syndication/thread/1.0' );
347 define ( 'NAMESPACE_TOMB' , 'http://purl.org/atompub/tombstones/1.0' );
348 define ( 'NAMESPACE_ACTIVITY', 'http://activitystrea.ms/spec/1.0/' );
349 define ( 'NAMESPACE_ACTIVITY_SCHEMA', 'http://activitystrea.ms/schema/1.0/' );
350 define ( 'NAMESPACE_MEDIA', 'http://purl.org/syndication/atommedia' );
351 define ( 'NAMESPACE_SALMON_ME', 'http://salmon-protocol.org/ns/magic-env' );
352 define ( 'NAMESPACE_OSTATUSSUB', 'http://ostatus.org/schema/1.0/subscribe' );
353 define ( 'NAMESPACE_GEORSS', 'http://www.georss.org/georss' );
354 define ( 'NAMESPACE_POCO', 'http://portablecontacts.net/spec/1.0' );
355 define ( 'NAMESPACE_FEED', 'http://schemas.google.com/g/2010#updates-from' );
356 define ( 'NAMESPACE_OSTATUS', 'http://ostatus.org/schema/1.0' );
357 define ( 'NAMESPACE_STATUSNET', 'http://status.net/schema/api/1/' );
358 define ( 'NAMESPACE_ATOM1', 'http://www.w3.org/2005/Atom' );
364 * Activity stream defines
367 define ( 'ACTIVITY_LIKE', NAMESPACE_ACTIVITY_SCHEMA . 'like' );
368 define ( 'ACTIVITY_DISLIKE', NAMESPACE_DFRN . '/dislike' );
369 define ( 'ACTIVITY_ATTEND', NAMESPACE_ZOT . '/activity/attendyes' );
370 define ( 'ACTIVITY_ATTENDNO', NAMESPACE_ZOT . '/activity/attendno' );
371 define ( 'ACTIVITY_ATTENDMAYBE', NAMESPACE_ZOT . '/activity/attendmaybe' );
373 define ( 'ACTIVITY_OBJ_HEART', NAMESPACE_DFRN . '/heart' );
375 define ( 'ACTIVITY_FRIEND', NAMESPACE_ACTIVITY_SCHEMA . 'make-friend' );
376 define ( 'ACTIVITY_REQ_FRIEND', NAMESPACE_ACTIVITY_SCHEMA . 'request-friend' );
377 define ( 'ACTIVITY_UNFRIEND', NAMESPACE_ACTIVITY_SCHEMA . 'remove-friend' );
378 define ( 'ACTIVITY_FOLLOW', NAMESPACE_ACTIVITY_SCHEMA . 'follow' );
379 define ( 'ACTIVITY_UNFOLLOW', NAMESPACE_ACTIVITY_SCHEMA . 'stop-following' );
380 define ( 'ACTIVITY_JOIN', NAMESPACE_ACTIVITY_SCHEMA . 'join' );
382 define ( 'ACTIVITY_POST', NAMESPACE_ACTIVITY_SCHEMA . 'post' );
383 define ( 'ACTIVITY_UPDATE', NAMESPACE_ACTIVITY_SCHEMA . 'update' );
384 define ( 'ACTIVITY_TAG', NAMESPACE_ACTIVITY_SCHEMA . 'tag' );
385 define ( 'ACTIVITY_FAVORITE', NAMESPACE_ACTIVITY_SCHEMA . 'favorite' );
386 define ( 'ACTIVITY_SHARE', NAMESPACE_ACTIVITY_SCHEMA . 'share' );
388 define ( 'ACTIVITY_POKE', NAMESPACE_ZOT . '/activity/poke' );
389 define ( 'ACTIVITY_MOOD', NAMESPACE_ZOT . '/activity/mood' );
391 define ( 'ACTIVITY_OBJ_BOOKMARK', NAMESPACE_ACTIVITY_SCHEMA . 'bookmark' );
392 define ( 'ACTIVITY_OBJ_COMMENT', NAMESPACE_ACTIVITY_SCHEMA . 'comment' );
393 define ( 'ACTIVITY_OBJ_NOTE', NAMESPACE_ACTIVITY_SCHEMA . 'note' );
394 define ( 'ACTIVITY_OBJ_PERSON', NAMESPACE_ACTIVITY_SCHEMA . 'person' );
395 define ( 'ACTIVITY_OBJ_IMAGE', NAMESPACE_ACTIVITY_SCHEMA . 'image' );
396 define ( 'ACTIVITY_OBJ_PHOTO', NAMESPACE_ACTIVITY_SCHEMA . 'photo' );
397 define ( 'ACTIVITY_OBJ_VIDEO', NAMESPACE_ACTIVITY_SCHEMA . 'video' );
398 define ( 'ACTIVITY_OBJ_P_PHOTO', NAMESPACE_ACTIVITY_SCHEMA . 'profile-photo' );
399 define ( 'ACTIVITY_OBJ_ALBUM', NAMESPACE_ACTIVITY_SCHEMA . 'photo-album' );
400 define ( 'ACTIVITY_OBJ_EVENT', NAMESPACE_ACTIVITY_SCHEMA . 'event' );
401 define ( 'ACTIVITY_OBJ_GROUP', NAMESPACE_ACTIVITY_SCHEMA . 'group' );
402 define ( 'ACTIVITY_OBJ_TAGTERM', NAMESPACE_DFRN . '/tagterm' );
403 define ( 'ACTIVITY_OBJ_PROFILE', NAMESPACE_DFRN . '/profile' );
404 define ( 'ACTIVITY_OBJ_QUESTION', 'http://activityschema.org/object/question' );
410 * Item weight for query ordering
413 define ( 'GRAVITY_PARENT', 0);
414 define ( 'GRAVITY_LIKE', 3);
415 define ( 'GRAVITY_COMMENT', 6);
421 * Process priority for the worker
424 define('PRIORITY_UNDEFINED', 0);
425 define('PRIORITY_CRITICAL', 10);
426 define('PRIORITY_HIGH', 20);
427 define('PRIORITY_MEDIUM', 30);
428 define('PRIORITY_LOW', 40);
429 define('PRIORITY_NEGLIGIBLE',50);
433 * @name Social Relay settings
435 * See here: https://github.com/jaywink/social-relay
436 * and here: https://wiki.diasporafoundation.org/Relay_servers_for_public_posts
439 define('SR_SCOPE_NONE', '');
440 define('SR_SCOPE_ALL', 'all');
441 define('SR_SCOPE_TAGS', 'tags');
444 // Normally this constant is defined - but not if "pcntl" isn't installed
445 if (!defined("SIGTERM"))
446 define("SIGTERM", 15);
450 * Reverse the effect of magic_quotes_gpc if it is enabled.
451 * Please disable magic_quotes_gpc so we don't have to do this.
452 * See http://php.net/manual/en/security.magicquotes.disabling.php
458 error_reporting(E_ERROR | E_WARNING | E_PARSE);
462 // This has to be quite large to deal with embedded private photos
463 ini_set('pcre.backtrack_limit', 500000);
466 if (get_magic_quotes_gpc()) {
467 $process = array(&$_GET, &$_POST, &$_COOKIE, &$_REQUEST);
468 while (list($key, $val) = each($process)) {
469 foreach ($val as $k => $v) {
470 unset($process[$key][$k]);
472 $process[$key][stripslashes($k)] = $v;
473 $process[] = &$process[$key][stripslashes($k)];
475 $process[$key][stripslashes($k)] = stripslashes($v);
488 * @brief Our main application structure for the life of this page.
490 * Primarily deals with the URL that got us here
491 * and tries to make some sense of it, and
492 * stores our page contents and config storage
493 * and anything else that might need to be passed around
494 * before we spit the page out.
499 public $module_loaded = false;
500 public $query_string;
509 public $page_contact;
511 public $data = array();
512 public $error = false;
522 public $interactive = true;
524 public $apps = array();
526 public $is_mobile = false;
527 public $is_tablet = false;
528 public $is_friendica_app;
529 public $performance = array();
530 public $callstack = array();
531 public $theme_info = array();
532 public $backend = true;
539 // Allow themes to control internal parameters
540 // by changing App values in theme.php
542 public $sourcename = '';
543 public $videowidth = 425;
544 public $videoheight = 350;
545 public $force_max_items = 0;
546 public $theme_thread_allow = true;
547 public $theme_events_in_profile = true;
550 * @brief An array for all theme-controllable parameters
552 * Mostly unimplemented yet. Only options 'template_engine' and
555 public $theme = array(
558 'videoheight' => 350,
559 'force_max_items' => 0,
560 'thread_allow' => true,
562 'template_engine' => 'smarty3',
566 * @brief An array of registered template engines ('name'=>'class name')
568 public $template_engines = array();
570 * @brief An array of instanced template engines ('name'=>'instance')
572 public $template_engine_instance = array();
576 private $ldelim = array(
580 private $rdelim = array(
590 private $curl_content_type;
591 private $curl_headers;
593 private $cached_profile_image;
594 private $cached_profile_picdate;
599 * @brief App constructor.
601 function __construct() {
603 global $default_timezone;
607 if (file_exists(".htpreconfig.php"))
608 @include(".htpreconfig.php");
610 $this->timezone = ((x($default_timezone)) ? $default_timezone : 'UTC');
612 date_default_timezone_set($this->timezone);
614 $this->performance["start"] = microtime(true);
615 $this->performance["database"] = 0;
616 $this->performance["database_write"] = 0;
617 $this->performance["network"] = 0;
618 $this->performance["file"] = 0;
619 $this->performance["rendering"] = 0;
620 $this->performance["parser"] = 0;
621 $this->performance["marktime"] = 0;
622 $this->performance["markstart"] = microtime(true);
624 $this->callstack["database"] = array();
625 $this->callstack["database_write"] = array();
626 $this->callstack["network"] = array();
627 $this->callstack["file"] = array();
628 $this->callstack["rendering"] = array();
629 $this->callstack["parser"] = array();
631 $this->config = array();
632 $this->page = array();
633 $this->pager= array();
635 $this->query_string = '';
637 $this->process_id = uniqid("log", true);
642 'include' . PATH_SEPARATOR
643 . 'library' . PATH_SEPARATOR
644 . 'library/phpsec' . PATH_SEPARATOR
645 . 'library/langdet' . PATH_SEPARATOR
649 $this->scheme = 'http';
650 if((x($_SERVER,'HTTPS') && $_SERVER['HTTPS']) ||
651 (x($_SERVER['HTTP_FORWARDED']) && preg_match("/proto=https/", $_SERVER['HTTP_FORWARDED'])) ||
652 (x($_SERVER['HTTP_X_FORWARDED_PROTO']) && $_SERVER['HTTP_X_FORWARDED_PROTO'] == 'https') ||
653 (x($_SERVER['HTTP_X_FORWARDED_SSL']) && $_SERVER['HTTP_X_FORWARDED_SSL'] == 'on') ||
654 (x($_SERVER['FRONT_END_HTTPS']) && $_SERVER['FRONT_END_HTTPS'] == 'on') ||
655 (x($_SERVER,'SERVER_PORT') && (intval($_SERVER['SERVER_PORT']) == 443)) // XXX: reasonable assumption, but isn't this hardcoding too much?
657 $this->scheme = 'https';
660 if(x($_SERVER,'SERVER_NAME')) {
661 $this->hostname = $_SERVER['SERVER_NAME'];
663 if(x($_SERVER,'SERVER_PORT') && $_SERVER['SERVER_PORT'] != 80 && $_SERVER['SERVER_PORT'] != 443)
664 $this->hostname .= ':' . $_SERVER['SERVER_PORT'];
666 * Figure out if we are running at the top of a domain
667 * or in a sub-directory and adjust accordingly
670 $path = trim(dirname($_SERVER['SCRIPT_NAME']),'/\\');
671 if(isset($path) && strlen($path) && ($path != $this->path))
676 $this->hostname = $hostname;
678 if (is_array($_SERVER["argv"]) && $_SERVER["argc"]>1 && substr(end($_SERVER["argv"]), 0, 4)=="http" ) {
679 $this->set_baseurl(array_pop($_SERVER["argv"]) );
683 #set_include_path("include/$this->hostname" . PATH_SEPARATOR . get_include_path());
685 if ((x($_SERVER,'QUERY_STRING')) && substr($_SERVER['QUERY_STRING'],0,9) === "pagename=") {
686 $this->query_string = substr($_SERVER['QUERY_STRING'],9);
687 // removing trailing / - maybe a nginx problem
688 if (substr($this->query_string, 0, 1) == "/")
689 $this->query_string = substr($this->query_string, 1);
690 } elseif ((x($_SERVER,'QUERY_STRING')) && substr($_SERVER['QUERY_STRING'],0,2) === "q=") {
691 $this->query_string = substr($_SERVER['QUERY_STRING'],2);
692 // removing trailing / - maybe a nginx problem
693 if (substr($this->query_string, 0, 1) == "/")
694 $this->query_string = substr($this->query_string, 1);
697 if (x($_GET,'pagename')) {
698 $this->cmd = trim($_GET['pagename'],'/\\');
699 } elseif (x($_GET,'q')) {
700 $this->cmd = trim($_GET['q'],'/\\');
705 $this->query_string = str_replace($this->cmd."&",$this->cmd."?", $this->query_string);
708 // unix style "homedir"
710 if (substr($this->cmd,0,1) === '~') {
711 $this->cmd = 'profile/' . substr($this->cmd,1);
714 // Diaspora style profile url
716 if (substr($this->cmd,0,2) === 'u/') {
717 $this->cmd = 'profile/' . substr($this->cmd,2);
723 * Break the URL path into C style argc/argv style arguments for our
724 * modules. Given "http://example.com/module/arg1/arg2", $this->argc
725 * will be 3 (integer) and $this->argv will contain:
731 * There will always be one argument. If provided a naked domain
732 * URL, $this->argv[0] is set to "home".
736 $this->argv = explode('/',$this->cmd);
737 $this->argc = count($this->argv);
738 if((array_key_exists('0',$this->argv)) && strlen($this->argv[0])) {
739 $this->module = str_replace(".", "_", $this->argv[0]);
740 $this->module = str_replace("-", "_", $this->module);
744 $this->argv = array('home');
745 $this->module = 'home';
749 * See if there is any page number information, and initialise
753 $this->pager['page'] = ((x($_GET,'page') && intval($_GET['page']) > 0) ? intval($_GET['page']) : 1);
754 $this->pager['itemspage'] = 50;
755 $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
756 if($this->pager['start'] < 0)
757 $this->pager['start'] = 0;
758 $this->pager['total'] = 0;
761 * Detect mobile devices
764 $mobile_detect = new Mobile_Detect();
765 $this->is_mobile = $mobile_detect->isMobile();
766 $this->is_tablet = $mobile_detect->isTablet();
769 $this->is_friendica_app = ($_SERVER['HTTP_USER_AGENT'] == "Apache-HttpClient/UNAVAILABLE (java 1.4)");
772 * register template engines
774 $dc = get_declared_classes();
775 foreach ($dc as $k) {
776 if (in_array("ITemplateEngine", class_implements($k))){
777 $this->register_template_engine($k);
785 public static function get_basepath() {
787 $basepath = get_config("system", "basepath");
790 $basepath = dirname(__FILE__);
793 $basepath = $_SERVER["DOCUMENT_ROOT"];
796 $basepath = $_SERVER["PWD"];
801 function get_scheme() {
802 return($this->scheme);
806 * @brief Retrieves the Friendica instance base URL
808 * This function assembles the base URL from multiple parts:
809 * - Protocol is determined either by the request or a combination of
810 * system.ssl_policy and the $ssl parameter.
811 * - Host name is determined either by system.hostname or inferred from request
812 * - Path is inferred from SCRIPT_NAME
814 * Note: $ssl parameter value doesn't directly correlate with the resulting protocol
816 * @param bool $ssl Whether to append http or https under SSL_POLICY_SELFSIGN
817 * @return string Friendica server base URL
819 function get_baseurl($ssl = false) {
821 // Is the function called statically?
822 if (!(isset($this) && get_class($this) == __CLASS__)) {
823 return self::$a->get_baseurl($ssl);
826 $scheme = $this->scheme;
828 if (Config::get('system', 'ssl_policy') == SSL_POLICY_FULL) {
832 // Basically, we have $ssl = true on any links which can only be seen by a logged in user
833 // (and also the login link). Anything seen by an outsider will have it turned off.
835 if (Config::get('system', 'ssl_policy') == SSL_POLICY_SELFSIGN) {
843 if (Config::get('config', 'hostname') != '') {
844 $this->hostname = Config::get('config', 'hostname');
847 return $scheme . "://" . $this->hostname . ((isset($this->path) && strlen($this->path)) ? '/' . $this->path : '' );
851 * @brief Initializes the baseurl components
853 * Clears the baseurl cache to prevent inconstistencies
857 function set_baseurl($url) {
858 $parsed = @parse_url($url);
861 $this->scheme = $parsed['scheme'];
863 $hostname = $parsed['host'];
864 if (x($parsed, 'port')) {
865 $hostname .= ':' . $parsed['port'];
867 if (x($parsed, 'path')) {
868 $this->path = trim($parsed['path'], '\\/');
871 if (file_exists(".htpreconfig.php")) {
872 @include(".htpreconfig.php");
875 if (get_config('config', 'hostname') != '') {
876 $this->hostname = get_config('config', 'hostname');
879 if (!isset($this->hostname) OR ($this->hostname == '')) {
880 $this->hostname = $hostname;
885 function get_hostname() {
886 if (get_config('config','hostname') != "")
887 $this->hostname = get_config('config','hostname');
889 return $this->hostname;
892 function set_hostname($h) {
893 $this->hostname = $h;
896 function set_path($p) {
897 $this->path = trim(trim($p),'/');
900 function get_path() {
904 function set_pager_total($n) {
905 $this->pager['total'] = intval($n);
908 function set_pager_itemspage($n) {
909 $this->pager['itemspage'] = ((intval($n) > 0) ? intval($n) : 0);
910 $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
913 function set_pager_page($n) {
914 $this->pager['page'] = $n;
915 $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
918 function init_pagehead() {
919 $interval = ((local_user()) ? get_pconfig(local_user(),'system','update_interval') : 40000);
921 // If the update is "deactivated" set it to the highest integer number (~24 days)
923 $interval = 2147483647;
925 if($interval < 10000)
928 // compose the page title from the sitename and the
929 // current module called
930 if (!$this->module=='')
932 $this->page['title'] = $this->config['sitename'].' ('.$this->module.')';
934 $this->page['title'] = $this->config['sitename'];
937 /* put the head template at the beginning of page['htmlhead']
938 * since the code added by the modules frequently depends on it
941 if(!isset($this->page['htmlhead']))
942 $this->page['htmlhead'] = '';
944 // If we're using Smarty, then doing replace_macros() will replace
945 // any unrecognized variables with a blank string. Since we delay
946 // replacing $stylesheet until later, we need to replace it now
947 // with another variable name
948 if($this->theme['template_engine'] === 'smarty3')
949 $stylesheet = $this->get_template_ldelim('smarty3') . '$stylesheet' . $this->get_template_rdelim('smarty3');
951 $stylesheet = '$stylesheet';
953 $shortcut_icon = get_config("system", "shortcut_icon");
954 if ($shortcut_icon == "")
955 $shortcut_icon = "images/friendica-32.png";
957 $touch_icon = get_config("system", "touch_icon");
958 if ($touch_icon == "")
959 $touch_icon = "images/friendica-128.png";
961 // get data wich is needed for infinite scroll on the network page
962 $invinite_scroll = infinite_scroll_data($this->module);
964 $tpl = get_markup_template('head.tpl');
965 $this->page['htmlhead'] = replace_macros($tpl,array(
966 '$baseurl' => $this->get_baseurl(), // FIXME for z_path!!!!
967 '$local_user' => local_user(),
968 '$generator' => 'Friendica' . ' ' . FRIENDICA_VERSION,
969 '$delitem' => t('Delete this item?'),
970 '$showmore' => t('show more'),
971 '$showfewer' => t('show fewer'),
972 '$update_interval' => $interval,
973 '$shortcut_icon' => $shortcut_icon,
974 '$touch_icon' => $touch_icon,
975 '$stylesheet' => $stylesheet,
976 '$infinite_scroll' => $invinite_scroll,
977 )) . $this->page['htmlhead'];
980 function init_page_end() {
981 if(!isset($this->page['end']))
982 $this->page['end'] = '';
983 $tpl = get_markup_template('end.tpl');
984 $this->page['end'] = replace_macros($tpl,array(
985 '$baseurl' => $this->get_baseurl() // FIXME for z_path!!!!
986 )) . $this->page['end'];
989 function set_curl_code($code) {
990 $this->curl_code = $code;
993 function get_curl_code() {
994 return $this->curl_code;
997 function set_curl_content_type($content_type) {
998 $this->curl_content_type = $content_type;
1001 function get_curl_content_type() {
1002 return $this->curl_content_type;
1005 function set_curl_headers($headers) {
1006 $this->curl_headers = $headers;
1009 function get_curl_headers() {
1010 return $this->curl_headers;
1013 function get_cached_avatar_image($avatar_image){
1014 return $avatar_image;
1016 // The following code is deactivated. It doesn't seem to make any sense and it slows down the system.
1018 if($this->cached_profile_image[$avatar_image])
1019 return $this->cached_profile_image[$avatar_image];
1021 $path_parts = explode("/",$avatar_image);
1022 $common_filename = $path_parts[count($path_parts)-1];
1024 if($this->cached_profile_picdate[$common_filename]){
1025 $this->cached_profile_image[$avatar_image] = $avatar_image . $this->cached_profile_picdate[$common_filename];
1027 $r = q("SELECT `contact`.`avatar-date` AS picdate FROM `contact` WHERE `contact`.`thumb` like '%%/%s'",
1029 if (! dbm::is_result($r)) {
1030 $this->cached_profile_image[$avatar_image] = $avatar_image;
1032 $this->cached_profile_picdate[$common_filename] = "?rev=".urlencode($r[0]['picdate']);
1033 $this->cached_profile_image[$avatar_image] = $avatar_image.$this->cached_profile_picdate[$common_filename];
1036 return $this->cached_profile_image[$avatar_image];
1042 * @brief Removes the baseurl from an url. This avoids some mixed content problems.
1044 * @param string $orig_url
1046 * @return string The cleaned url
1048 function remove_baseurl($orig_url){
1050 // Is the function called statically?
1051 if (!(isset($this) && get_class($this) == __CLASS__)) {
1052 return(self::$a->remove_baseurl($orig_url));
1055 // Remove the hostname from the url if it is an internal link
1056 $nurl = normalise_link($orig_url);
1057 $base = normalise_link($this->get_baseurl());
1058 $url = str_replace($base."/", "", $nurl);
1060 // if it is an external link return the orignal value
1061 if ($url == normalise_link($orig_url)) {
1069 * @brief Register template engine class
1071 * If $name is "", is used class static property $class::$name
1073 * @param string $class
1074 * @param string $name
1076 function register_template_engine($class, $name = '') {
1078 $v = get_class_vars( $class );
1079 if(x($v,"name")) $name = $v['name'];
1082 echo "template engine <tt>$class</tt> cannot be registered without a name.\n";
1085 $this->template_engines[$name] = $class;
1089 * @brief Return template engine instance.
1091 * If $name is not defined, return engine defined by theme,
1094 * @param strin $name Template engine name
1095 * @return object Template Engine instance
1097 function template_engine($name = ''){
1099 $template_engine = $name;
1101 $template_engine = 'smarty3';
1102 if (x($this->theme, 'template_engine')) {
1103 $template_engine = $this->theme['template_engine'];
1107 if (isset($this->template_engines[$template_engine])){
1108 if(isset($this->template_engine_instance[$template_engine])){
1109 return $this->template_engine_instance[$template_engine];
1111 $class = $this->template_engines[$template_engine];
1113 $this->template_engine_instance[$template_engine] = $obj;
1118 echo "template engine <tt>$template_engine</tt> is not registered!\n"; killme();
1122 * @brief Returns the active template engine.
1126 function get_template_engine() {
1127 return $this->theme['template_engine'];
1130 function set_template_engine($engine = 'smarty3') {
1131 $this->theme['template_engine'] = $engine;
1133 $this->theme['template_engine'] = 'smarty3';
1137 if(is_writable('view/smarty3/'))
1138 $this->theme['template_engine'] = 'smarty3';
1146 function get_template_ldelim($engine = 'smarty3') {
1147 return $this->ldelim[$engine];
1150 function get_template_rdelim($engine = 'smarty3') {
1151 return $this->rdelim[$engine];
1154 function save_timestamp($stamp, $value) {
1155 if (!isset($this->config['system']['profiler']) || !$this->config['system']['profiler'])
1158 $duration = (float)(microtime(true)-$stamp);
1160 if (!isset($this->performance[$value])) {
1161 // Prevent ugly E_NOTICE
1162 $this->performance[$value] = 0;
1165 $this->performance[$value] += (float)$duration;
1166 $this->performance["marktime"] += (float)$duration;
1168 $callstack = $this->callstack();
1170 if (!isset($this->callstack[$value][$callstack])) {
1171 // Prevent ugly E_NOTICE
1172 $this->callstack[$value][$callstack] = 0;
1175 $this->callstack[$value][$callstack] += (float)$duration;
1180 * @brief Log active processes into the "process" table
1182 function start_process() {
1183 $trace = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS, 1);
1185 $command = basename($trace[0]["file"]);
1187 $this->remove_inactive_processes();
1189 q("START TRANSACTION");
1191 $r = q("SELECT `pid` FROM `process` WHERE `pid` = %d", intval(getmypid()));
1192 if (!dbm::is_result($r)) {
1193 q("INSERT INTO `process` (`pid`,`command`,`created`) VALUES (%d, '%s', '%s')",
1196 dbesc(datetime_convert()));
1202 * @brief Remove inactive processes
1204 function remove_inactive_processes() {
1205 q("START TRANSACTION");
1207 $r = q("SELECT `pid` FROM `process`");
1208 if (dbm::is_result($r)) {
1209 foreach ($r AS $process) {
1210 if (!posix_kill($process["pid"], 0)) {
1211 q("DELETE FROM `process` WHERE `pid` = %d", intval($process["pid"]));
1219 * @brief Remove the active process from the "process" table
1221 function end_process() {
1222 q("DELETE FROM `process` WHERE `pid` = %d", intval(getmypid()));
1226 * @brief Returns a string with a callstack. Can be used for logging.
1230 function callstack() {
1231 $trace = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS, 6);
1233 // We remove the first two items from the list since they contain data that we don't need.
1234 array_shift($trace);
1235 array_shift($trace);
1237 $callstack = array();
1238 foreach ($trace AS $func)
1239 $callstack[] = $func["function"];
1241 return implode(", ", $callstack);
1244 function get_useragent() {
1245 return(FRIENDICA_PLATFORM." '".FRIENDICA_CODENAME."' ".FRIENDICA_VERSION."-".DB_UPDATE_VERSION."; ".$this->get_baseurl());
1248 function is_friendica_app() {
1249 return($this->is_friendica_app);
1253 * @brief Checks if the site is called via a backend process
1255 * This isn't a perfect solution. But we need this check very early.
1256 * So we cannot wait until the modules are loaded.
1258 * @return bool Is it a known backend?
1260 function is_backend() {
1262 $backend[] = "_well_known";
1264 $backend[] = "dfrn_notify";
1265 $backend[] = "fetch";
1266 $backend[] = "hcard";
1267 $backend[] = "hostxrd";
1268 $backend[] = "nodeinfo";
1269 $backend[] = "noscrape";
1271 $backend[] = "poco";
1272 $backend[] = "post";
1273 $backend[] = "proxy";
1274 $backend[] = "pubsub";
1275 $backend[] = "pubsubhubbub";
1276 $backend[] = "receive";
1277 $backend[] = "rsd_xml";
1278 $backend[] = "salmon";
1279 $backend[] = "statistics_json";
1282 if (in_array($this->module, $backend))
1285 return($this->backend);
1289 * @brief Checks if the maximum number of database processes is reached
1291 * @return bool Is the limit reached?
1293 function max_processes_reached() {
1295 if ($this->is_backend()) {
1296 $process = "backend";
1297 $max_processes = get_config('system', 'max_processes_backend');
1298 if (intval($max_processes) == 0)
1301 $process = "frontend";
1302 $max_processes = get_config('system', 'max_processes_frontend');
1303 if (intval($max_processes) == 0)
1304 $max_processes = 20;
1307 $processlist = dbm::processlist();
1308 if ($processlist["list"] != "") {
1309 logger("Processcheck: Processes: ".$processlist["amount"]." - Processlist: ".$processlist["list"], LOGGER_DEBUG);
1311 if ($processlist["amount"] > $max_processes) {
1312 logger("Processcheck: Maximum number of processes for ".$process." tasks (".$max_processes.") reached.", LOGGER_DEBUG);
1320 * @brief Checks if the maximum load is reached
1322 * @return bool Is the load reached?
1324 function maxload_reached() {
1326 if ($this->is_backend()) {
1327 $process = "backend";
1328 $maxsysload = intval(get_config('system', 'maxloadavg'));
1329 if ($maxsysload < 1)
1332 $process = "frontend";
1333 $maxsysload = intval(get_config('system','maxloadavg_frontend'));
1334 if ($maxsysload < 1)
1338 $load = current_load();
1340 if (intval($load) > $maxsysload) {
1341 logger('system: load '.$load.' for '.$process.' tasks ('.$maxsysload.') too high.');
1348 function proc_run($args) {
1350 if (!function_exists("proc_open")) {
1354 // If the last worker fork was less than 10 seconds before then don't fork another one.
1355 // This should prevent the forking of masses of workers.
1356 $cachekey = "app:proc_run:started";
1357 $result = Cache::get($cachekey);
1358 if (!is_null($result)) {
1359 if ((time() - $result) < 10) {
1363 // Set the timestamp of the last proc_run
1364 Cache::set($cachekey, time(), CACHE_MINUTE);
1366 array_unshift($args, ((x($this->config,'php_path')) && (strlen($this->config['php_path'])) ? $this->config['php_path'] : 'php'));
1368 // add baseurl to args. cli scripts can't construct it
1369 $args[] = $this->get_baseurl();
1371 for($x = 0; $x < count($args); $x ++)
1372 $args[$x] = escapeshellarg($args[$x]);
1374 $cmdline = implode($args," ");
1376 if(get_config('system','proc_windows'))
1377 proc_close(proc_open('cmd /c start /b ' . $cmdline,array(),$foo,dirname(__FILE__)));
1379 proc_close(proc_open($cmdline." &",array(),$foo,dirname(__FILE__)));
1384 * @brief Returns the system user that is executing the script
1386 * This mostly returns something like "www-data".
1388 * @return string system username
1390 static function systemuser() {
1391 if (!function_exists('posix_getpwuid') OR !function_exists('posix_geteuid')) {
1395 $processUser = posix_getpwuid(posix_geteuid());
1396 return $processUser['name'];
1400 * @brief Checks if a given directory is usable for the system
1402 * @return boolean the directory is usable
1404 static function directory_usable($directory) {
1406 if ($directory == '') {
1407 logger("Directory is empty. This shouldn't happen.", LOGGER_DEBUG);
1411 if (!file_exists($directory)) {
1412 logger('Path "'.$directory.'" does not exist for user '.self::systemuser(), LOGGER_DEBUG);
1415 if (is_file($directory)) {
1416 logger('Path "'.$directory.'" is a file for user '.self::systemuser(), LOGGER_DEBUG);
1419 if (!is_dir($directory)) {
1420 logger('Path "'.$directory.'" is not a directory for user '.self::systemuser(), LOGGER_DEBUG);
1423 if (!is_writable($directory)) {
1424 logger('Path "'.$directory.'" is not writable for user '.self::systemuser(), LOGGER_DEBUG);
1432 * @brief Retrieve the App structure
1434 * Useful in functions which require it but don't get it passed to them
1436 function get_app() {
1443 * @brief Multi-purpose function to check variable state.
1445 * Usage: x($var) or $x($array, 'key')
1447 * returns false if variable/key is not set
1448 * if variable is set, returns 1 if has 'non-zero' value, otherwise returns 0.
1449 * e.g. x('') or x(0) returns 0;
1451 * @param string|array $s variable to check
1452 * @param string $k key inside the array to check
1456 function x($s,$k = NULL) {
1458 if((is_array($s)) && (array_key_exists($k,$s))) {
1478 * @brief Called from db initialisation if db is dead.
1480 function system_unavailable() {
1481 include('system_unavailable.php');
1487 function clean_urls() {
1493 $base = App::get_baseurl();
1502 * @brief Returns the baseurl.
1504 * @see App::get_baseurl()
1507 * @TODO Maybe super-flous and deprecated? Seems to only wrap App::get_baseurl()
1510 return App::get_baseurl();
1514 * @brief Return absolut URL for given $path.
1516 * @param string $path
1520 function absurl($path) {
1521 if(strpos($path,'/') === 0)
1522 return z_path() . $path;
1527 * @brief Function to check if request was an AJAX (xmlhttprequest) request.
1531 function is_ajax() {
1532 return (!empty($_SERVER['HTTP_X_REQUESTED_WITH']) && strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) == 'xmlhttprequest');
1535 function check_db() {
1537 $build = get_config('system','build');
1539 set_config('system','build',DB_UPDATE_VERSION);
1540 $build = DB_UPDATE_VERSION;
1542 if($build != DB_UPDATE_VERSION)
1543 proc_run(PRIORITY_CRITICAL, 'include/dbupdate.php');
1549 * Sets the base url for use in cmdline programs which don't have
1550 * $_SERVER variables
1552 function check_url(App $a) {
1554 $url = get_config('system','url');
1556 // if the url isn't set or the stored url is radically different
1557 // than the currently visited url, store the current value accordingly.
1558 // "Radically different" ignores common variations such as http vs https
1559 // and www.example.com vs example.com.
1560 // We will only change the url to an ip address if there is no existing setting
1563 $url = set_config('system','url',App::get_baseurl());
1564 if((! link_compare($url,App::get_baseurl())) && (! preg_match("/^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/",$a->get_hostname)))
1565 $url = set_config('system','url',App::get_baseurl());
1572 * @brief Automatic database updates
1574 function update_db(App $a) {
1575 $build = get_config('system','build');
1577 $build = set_config('system','build',DB_UPDATE_VERSION);
1579 if($build != DB_UPDATE_VERSION) {
1580 $stored = intval($build);
1581 $current = intval(DB_UPDATE_VERSION);
1582 if($stored < $current) {
1583 Config::load('database');
1585 // We're reporting a different version than what is currently installed.
1586 // Run any existing update scripts to bring the database up to current.
1588 // make sure that boot.php and update.php are the same release, we might be
1589 // updating right this very second and the correct version of the update.php
1590 // file may not be here yet. This can happen on a very busy site.
1592 if(DB_UPDATE_VERSION == UPDATE_VERSION) {
1593 // Compare the current structure with the defined structure
1595 $t = get_config('database','dbupdate_'.DB_UPDATE_VERSION);
1599 set_config('database','dbupdate_'.DB_UPDATE_VERSION, time());
1601 // run old update routine (wich could modify the schema and
1602 // conflits with new routine)
1603 for ($x = $stored; $x < NEW_UPDATE_ROUTINE_VERSION; $x++) {
1604 $r = run_update_function($x);
1607 if ($stored < NEW_UPDATE_ROUTINE_VERSION) $stored = NEW_UPDATE_ROUTINE_VERSION;
1610 // run new update routine
1611 // it update the structure in one call
1612 $retval = update_structure(false, true);
1620 set_config('database','dbupdate_'.DB_UPDATE_VERSION, 'success');
1623 // run any left update_nnnn functions in update.php
1624 for($x = $stored; $x < $current; $x ++) {
1625 $r = run_update_function($x);
1635 function run_update_function($x) {
1636 if(function_exists('update_' . $x)) {
1638 // There could be a lot of processes running or about to run.
1639 // We want exactly one process to run the update command.
1640 // So store the fact that we're taking responsibility
1641 // after first checking to see if somebody else already has.
1643 // If the update fails or times-out completely you may need to
1644 // delete the config entry to try again.
1646 $t = get_config('database','update_' . $x);
1649 set_config('database','update_' . $x, time());
1651 // call the specific update
1653 $func = 'update_' . $x;
1657 //send the administrator an e-mail
1660 sprintf(t('Update %s failed. See error logs.'), $x)
1664 set_config('database','update_' . $x, 'success');
1665 set_config('system','build', $x + 1);
1669 set_config('database','update_' . $x, 'success');
1670 set_config('system','build', $x + 1);
1677 * @brief Synchronise plugins:
1679 * $a->config['system']['addon'] contains a comma-separated list of names
1680 * of plugins/addons which are used on this system.
1681 * Go through the database list of already installed addons, and if we have
1682 * an entry, but it isn't in the config list, call the uninstall procedure
1683 * and mark it uninstalled in the database (for now we'll remove it).
1684 * Then go through the config list and if we have a plugin that isn't installed,
1685 * call the install procedure and add it to the database.
1690 function check_plugins(App $a) {
1692 $r = q("SELECT * FROM `addon` WHERE `installed` = 1");
1693 if (dbm::is_result($r))
1696 $installed = array();
1698 $plugins = get_config('system','addon');
1699 $plugins_arr = array();
1702 $plugins_arr = explode(',',str_replace(' ', '',$plugins));
1704 $a->plugins = $plugins_arr;
1706 $installed_arr = array();
1708 if(count($installed)) {
1709 foreach($installed as $i) {
1710 if(! in_array($i['name'],$plugins_arr)) {
1711 uninstall_plugin($i['name']);
1714 $installed_arr[] = $i['name'];
1719 if(count($plugins_arr)) {
1720 foreach($plugins_arr as $p) {
1721 if(! in_array($p,$installed_arr)) {
1733 function get_guid($size=16, $prefix = "") {
1735 if ($prefix == "") {
1737 $prefix = hash("crc32", $a->get_hostname());
1740 while (strlen($prefix) < ($size - 13))
1741 $prefix .= mt_rand();
1744 $prefix = substr($prefix, 0, $size - 22);
1745 return(str_replace(".", "", uniqid($prefix, true)));
1747 $prefix = substr($prefix, 0, max($size - 13, 0));
1748 return(uniqid($prefix));
1753 * @brief Wrapper for adding a login box.
1755 * @param bool $register
1756 * If $register == true provide a registration link.
1757 * This will most always depend on the value of $a->config['register_policy'].
1758 * @param bool $hiddens
1761 * Returns the complete html for inserting into the page
1763 * @hooks 'login_hook'
1766 function login($register = false, $hiddens=false) {
1772 'title' => t('Create a New Account'),
1773 'desc' => t('Register')
1777 $noid = get_config('system','no_openid');
1779 $dest_url = $a->query_string;
1782 $tpl = get_markup_template("logout.tpl");
1785 $a->page['htmlhead'] .= replace_macros(get_markup_template("login_head.tpl"),array(
1786 '$baseurl' => $a->get_baseurl(true)
1789 $tpl = get_markup_template("login.tpl");
1790 $_SESSION['return_url'] = $a->query_string;
1791 $a->module = 'login';
1794 $o .= replace_macros($tpl, array(
1796 '$dest_url' => $dest_url,
1797 '$logout' => t('Logout'),
1798 '$login' => t('Login'),
1800 '$lname' => array('username', t('Nickname or Email: ') , '', ''),
1801 '$lpassword' => array('password', t('Password: '), '', ''),
1802 '$lremember' => array('remember', t('Remember me'), 0, ''),
1804 '$openid' => !$noid,
1805 '$lopenid' => array('openid_url', t('Or login using OpenID: '),'',''),
1807 '$hiddens' => $hiddens,
1809 '$register' => $reg,
1811 '$lostpass' => t('Forgot your password?'),
1812 '$lostlink' => t('Password Reset'),
1814 '$tostitle' => t('Website Terms of Service'),
1815 '$toslink' => t('terms of service'),
1817 '$privacytitle' => t('Website Privacy Policy'),
1818 '$privacylink' => t('privacy policy'),
1822 call_hooks('login_hook',$o);
1828 * @brief Used to end the current process, after saving session state.
1832 if (!get_app()->is_backend())
1833 session_write_close();
1839 * @brief Redirect to another URL and terminate this process.
1841 function goaway($s) {
1842 if (!strstr(normalise_link($s), "http://"))
1843 $s = App::get_baseurl()."/".$s;
1845 header("Location: $s");
1851 * @brief Returns the user id of locally logged in user or false.
1853 * @return int|bool user id or false
1855 function local_user() {
1856 if((x($_SESSION,'authenticated')) && (x($_SESSION,'uid')))
1857 return intval($_SESSION['uid']);
1862 * @brief Returns contact id of authenticated site visitor or false
1864 * @return int|bool visitor_id or false
1866 function remote_user() {
1867 if((x($_SESSION,'authenticated')) && (x($_SESSION,'visitor_id')))
1868 return intval($_SESSION['visitor_id']);
1873 * @brief Show an error message to user.
1875 * This function save text in session, to be shown to the user at next page load
1877 * @param string $s - Text of notice
1879 function notice($s) {
1881 if(! x($_SESSION,'sysmsg')) $_SESSION['sysmsg'] = array();
1883 $_SESSION['sysmsg'][] = $s;
1887 * @brief Show an info message to user.
1889 * This function save text in session, to be shown to the user at next page load
1891 * @param string $s - Text of notice
1896 if (local_user() AND get_pconfig(local_user(),'system','ignore_info'))
1899 if(! x($_SESSION,'sysmsg_info')) $_SESSION['sysmsg_info'] = array();
1901 $_SESSION['sysmsg_info'][] = $s;
1906 * @brief Wrapper around config to limit the text length of an incoming message
1910 function get_max_import_size() {
1912 return ((x($a->config,'max_import_size')) ? $a->config['max_import_size'] : 0 );
1916 * @brief Wrap calls to proc_close(proc_open()) and call hook
1917 * so plugins can take part in process :)
1919 * @param (integer|array) priority or parameter array, $cmd atrings are deprecated and are ignored
1921 * next args are passed as $cmd command line
1922 * or: proc_run(PRIORITY_HIGH, "include/notifier.php", "drop", $drop_id);
1923 * or: proc_run(array('priority' => PRIORITY_HIGH, 'dont_fork' => true), "include/create_shadowentry.php", $post_id);
1925 * @note $cmd and string args are surrounded with ""
1930 function proc_run($cmd){
1934 $proc_args = func_get_args();
1937 if (!count($proc_args)) {
1941 // Preserve the first parameter
1942 // It could contain a command, the priority or an parameter array
1943 // If we use the parameter array we have to protect it from the following function
1944 $run_parameter = array_shift($proc_args);
1946 // expand any arrays
1947 foreach ($proc_args as $arg) {
1948 if (is_array($arg)) {
1949 foreach ($arg as $n) {
1957 // Now we add the run parameters back to the array
1958 array_unshift($args, $run_parameter);
1960 $arr = array('args' => $args, 'run_cmd' => true);
1962 call_hooks("proc_run", $arr);
1963 if (!$arr['run_cmd'] OR !count($args))
1966 $priority = PRIORITY_MEDIUM;
1967 $dont_fork = get_config("system", "worker_dont_fork");
1969 if (is_int($run_parameter)) {
1970 $priority = $run_parameter;
1971 } elseif (is_array($run_parameter)) {
1972 if (isset($run_parameter['priority'])) {
1973 $priority = $run_parameter['priority'];
1975 if (isset($run_parameter['dont_fork'])) {
1976 $dont_fork = $run_parameter['dont_fork'];
1983 $parameters = json_encode($argv);
1984 $found = q("SELECT `id` FROM `workerqueue` WHERE `parameter` = '%s'",
1985 dbesc($parameters));
1988 q("INSERT INTO `workerqueue` (`parameter`, `created`, `priority`)
1989 VALUES ('%s', '%s', %d)",
1991 dbesc(datetime_convert()),
1994 // Should we quit and wait for the poller to be called as a cronjob?
1999 // Checking number of workers
2000 $workers = q("SELECT COUNT(*) AS `workers` FROM `workerqueue` WHERE `executed` != '0000-00-00 00:00:00'");
2002 // Get number of allowed number of worker threads
2003 $queues = intval(get_config("system", "worker_queues"));
2008 // If there are already enough workers running, don't fork another one
2009 if ($workers[0]["workers"] >= $queues)
2012 // Now call the poller to execute the jobs that we just added to the queue
2013 $args = array("include/poller.php", "no_cron");
2015 $a->proc_run($args);
2018 function current_theme(){
2019 $app_base_themes = array('duepuntozero', 'dispy', 'quattro');
2025 // Find the theme that belongs to the user whose stuff we are looking at
2027 if($a->profile_uid && ($a->profile_uid != local_user())) {
2028 $r = q("select theme from user where uid = %d limit 1",
2029 intval($a->profile_uid)
2031 if (dbm::is_result($r))
2032 $page_theme = $r[0]['theme'];
2035 // Allow folks to over-rule user themes and always use their own on their own site.
2036 // This works only if the user is on the same server
2038 if($page_theme && local_user() && (local_user() != $a->profile_uid)) {
2039 if(get_pconfig(local_user(),'system','always_my_theme'))
2043 // $mobile_detect = new Mobile_Detect();
2044 // $is_mobile = $mobile_detect->isMobile() || $mobile_detect->isTablet();
2045 $is_mobile = $a->is_mobile || $a->is_tablet;
2047 $standard_system_theme = Config::get('system', 'theme', '');
2048 $standard_theme_name = ((isset($_SESSION) && x($_SESSION,'theme')) ? $_SESSION['theme'] : $standard_system_theme);
2051 if (isset($_SESSION['show-mobile']) && !$_SESSION['show-mobile']) {
2052 $system_theme = $standard_system_theme;
2053 $theme_name = $standard_theme_name;
2055 $system_theme = Config::get('system', 'mobile-theme', '');
2056 if ($system_theme == '') {
2057 $system_theme = $standard_system_theme;
2059 $theme_name = ((isset($_SESSION) && x($_SESSION,'mobile-theme')) ? $_SESSION['mobile-theme'] : $system_theme);
2061 if($theme_name === '---') {
2062 // user has selected to have the mobile theme be the same as the normal one
2063 $system_theme = $standard_system_theme;
2064 $theme_name = $standard_theme_name;
2067 $theme_name = $page_theme;
2072 $system_theme = $standard_system_theme;
2073 $theme_name = $standard_theme_name;
2076 $theme_name = $page_theme;
2080 (file_exists('view/theme/' . $theme_name . '/style.css') ||
2081 file_exists('view/theme/' . $theme_name . '/style.php')))
2082 return($theme_name);
2084 foreach($app_base_themes as $t) {
2085 if(file_exists('view/theme/' . $t . '/style.css')||
2086 file_exists('view/theme/' . $t . '/style.php'))
2090 $fallback = array_merge(glob('view/theme/*/style.css'),glob('view/theme/*/style.php'));
2091 if(count($fallback))
2092 return (str_replace('view/theme/','', substr($fallback[0],0,-10)));
2097 * @brief Return full URL to theme which is currently in effect.
2099 * Provide a sane default if nothing is chosen or the specified theme does not exist.
2103 function current_theme_url() {
2106 $t = current_theme();
2108 $opts = (($a->profile_uid) ? '?f=&puid=' . $a->profile_uid : '');
2109 if (file_exists('view/theme/' . $t . '/style.php'))
2110 return('view/theme/'.$t.'/style.pcss'.$opts);
2112 return('view/theme/'.$t.'/style.css');
2115 function feed_birthday($uid,$tz) {
2119 * Determine the next birthday, but only if the birthday is published
2120 * in the default profile. We _could_ also look for a private profile that the
2121 * recipient can see, but somebody could get mad at us if they start getting
2122 * public birthday greetings when they haven't made this info public.
2124 * Assuming we are able to publish this info, we are then going to convert
2125 * the start time from the owner's timezone to UTC.
2127 * This will potentially solve the problem found with some social networks
2128 * where birthdays are converted to the viewer's timezone and salutations from
2129 * elsewhere in the world show up on the wrong day. We will convert it to the
2130 * viewer's timezone also, but first we are going to convert it from the birthday
2131 * person's timezone to GMT - so the viewer may find the birthday starting at
2132 * 6:00PM the day before, but that will correspond to midnight to the birthday person.
2142 $p = q("SELECT `dob` FROM `profile` WHERE `is-default` = 1 AND `uid` = %d LIMIT 1",
2146 if (dbm::is_result($p)) {
2147 $tmp_dob = substr($p[0]['dob'],5);
2148 if(intval($tmp_dob)) {
2149 $y = datetime_convert($tz,$tz,'now','Y');
2150 $bd = $y . '-' . $tmp_dob . ' 00:00';
2151 $t_dob = strtotime($bd);
2152 $now = strtotime(datetime_convert($tz,$tz,'now'));
2154 $bd = $y + 1 . '-' . $tmp_dob . ' 00:00';
2155 $birthday = datetime_convert($tz,'UTC',$bd,ATOM_TIME);
2163 * @brief Check if current user has admin role.
2165 * @return bool true if user is an admin
2167 function is_site_admin() {
2170 $adminlist = explode(",", str_replace(" ", "", $a->config['admin_email']));
2172 //if(local_user() && x($a->user,'email') && x($a->config,'admin_email') && ($a->user['email'] === $a->config['admin_email']))
2173 if(local_user() && x($a->user,'email') && x($a->config,'admin_email') && in_array($a->user['email'], $adminlist))
2179 * @brief Returns querystring as string from a mapped array.
2181 * @param array $params mapped array with query parameters
2182 * @param string $name of parameter, default null
2186 function build_querystring($params, $name=null) {
2188 foreach($params as $key=>$val) {
2189 if(is_array($val)) {
2191 $ret .= build_querystring($val, $key);
2193 $ret .= build_querystring($val, $name."[$key]");
2196 $val = urlencode($val);
2198 $ret.=$name."[$key]"."=$val&";
2200 $ret.= "$key=$val&";
2207 function explode_querystring($query) {
2208 $arg_st = strpos($query, '?');
2209 if($arg_st !== false) {
2210 $base = substr($query, 0, $arg_st);
2217 $args = explode('&', substr($query, $arg_st));
2218 foreach($args as $k=>$arg) {
2222 $args = array_values($args);
2227 $args = array_values($args);
2237 * Returns the complete URL of the current page, e.g.: http(s)://something.com/network
2239 * Taken from http://webcheatsheet.com/php/get_current_page_url.php
2241 function curPageURL() {
2243 if ($_SERVER["HTTPS"] == "on") {$pageURL .= "s";}
2245 if ($_SERVER["SERVER_PORT"] != "80" && $_SERVER["SERVER_PORT"] != "443") {
2246 $pageURL .= $_SERVER["SERVER_NAME"].":".$_SERVER["SERVER_PORT"].$_SERVER["REQUEST_URI"];
2248 $pageURL .= $_SERVER["SERVER_NAME"].$_SERVER["REQUEST_URI"];
2253 function random_digits($digits) {
2255 for($i = 0; $i < $digits; $i++) {
2261 function get_server() {
2262 $server = get_config("system", "directory");
2265 $server = "http://dir.friendi.ca";
2270 function get_cachefile($file, $writemode = true) {
2271 $cache = get_itemcachepath();
2273 if ((! $cache) || (! is_dir($cache)))
2276 $subfolder = $cache."/".substr($file, 0, 2);
2278 $cachepath = $subfolder."/".$file;
2281 if (!is_dir($subfolder)) {
2283 chmod($subfolder, 0777);
2290 function clear_cache($basepath = "", $path = "") {
2292 $basepath = get_itemcachepath();
2296 if (($path == "") OR (!is_dir($path)))
2299 if (substr(realpath($path), 0, strlen($basepath)) != $basepath)
2302 $cachetime = (int)get_config('system','itemcache_duration');
2303 if ($cachetime == 0)
2306 if (is_writable($path)){
2307 if ($dh = opendir($path)) {
2308 while (($file = readdir($dh)) !== false) {
2309 $fullpath = $path."/".$file;
2310 if ((filetype($fullpath) == "dir") and ($file != ".") and ($file != ".."))
2311 clear_cache($basepath, $fullpath);
2312 if ((filetype($fullpath) == "file") and (filectime($fullpath) < (time() - $cachetime)))
2320 function get_itemcachepath() {
2321 // Checking, if the cache is deactivated
2322 $cachetime = (int)get_config('system','itemcache_duration');
2326 $itemcache = get_config('system','itemcache');
2327 if (($itemcache != "") AND App::directory_usable($itemcache)) {
2331 $temppath = get_temppath();
2333 if ($temppath != "") {
2334 $itemcache = $temppath."/itemcache";
2335 if(!file_exists($itemcache) && !is_dir($itemcache)) {
2339 if (App::directory_usable($itemcache)) {
2340 set_config("system", "itemcache", $itemcache);
2348 * @brief Returns the path where spool files are stored
2350 * @return string Spool path
2352 function get_spoolpath() {
2353 $spoolpath = get_config('system','spoolpath');
2354 if (($spoolpath != "") AND App::directory_usable($spoolpath)) {
2355 // We have a spool path and it is usable
2359 // We don't have a working preconfigured spool path, so we take the temp path.
2360 $temppath = get_temppath();
2362 if ($temppath != "") {
2363 // To avoid any interferences with other systems we create our own directory
2364 $spoolpath = $temppath."/spool";
2365 if (!is_dir($spoolpath)) {
2369 if (App::directory_usable($spoolpath)) {
2370 // The new path is usable, we are happy
2371 set_config("system", "spoolpath", $spoolpath);
2374 // We can't create a subdirectory, strange.
2375 // But the directory seems to work, so we use it but don't store it.
2380 // Reaching this point means that the operating system is configured badly.
2384 function get_temppath() {
2387 $temppath = get_config("system", "temppath");
2389 if (($temppath != "") AND App::directory_usable($temppath)) {
2390 // We have a temp path and it is usable
2394 // We don't have a working preconfigured temp path, so we take the system path.
2395 $temppath = sys_get_temp_dir();
2397 // Check if it is usable
2398 if (($temppath != "") AND App::directory_usable($temppath)) {
2399 // To avoid any interferences with other systems we create our own directory
2400 $new_temppath .= "/".$a->get_hostname();
2401 if (!is_dir($new_temppath))
2402 mkdir($new_temppath);
2404 if (App::directory_usable($new_temppath)) {
2405 // The new path is usable, we are happy
2406 set_config("system", "temppath", $new_temppath);
2407 return $new_temppath;
2409 // We can't create a subdirectory, strange.
2410 // But the directory seems to work, so we use it but don't store it.
2415 // Reaching this point means that the operating system is configured badly.
2420 function set_template_engine(App $a, $engine = 'internal') {
2421 /// @note This function is no longer necessary, but keep it as a wrapper to the class method
2422 /// to avoid breaking themes again unnecessarily
2424 $a->set_template_engine($engine);
2427 if(!function_exists('exif_imagetype')) {
2428 function exif_imagetype($file) {
2429 $size = getimagesize($file);
2434 function validate_include(&$file) {
2437 $file = realpath($file);
2439 if (strpos($file, getcwd()) !== 0)
2442 $file = str_replace(getcwd()."/", "", $file, $count);
2446 if ($orig_file !== $file)
2450 if (strpos($file, "include/") === 0)
2453 if (strpos($file, "addon/") === 0)
2462 function current_load() {
2463 if (!function_exists('sys_getloadavg'))
2466 $load_arr = sys_getloadavg();
2468 if (!is_array($load_arr))
2471 return max($load_arr[0], $load_arr[1]);
2475 * @brief get c-style args
2480 return get_app()->argc;
2484 * @brief Returns the value of a argv key
2486 * @param int $x argv key
2487 * @return string Value of the argv key
2490 if(array_key_exists($x,get_app()->argv))
2491 return get_app()->argv[$x];
2497 * @brief Get the data which is needed for infinite scroll
2499 * For invinite scroll we need the page number of the actual page
2500 * and the the URI where the content of the next page comes from.
2501 * This data is needed for the js part in main.js.
2502 * Note: infinite scroll does only work for the network page (module)
2504 * @param string $module The name of the module (e.g. "network")
2505 * @return array Of infinite scroll data
2506 * 'pageno' => $pageno The number of the actual page
2507 * 'reload_uri' => $reload_uri The URI of the content we have to load
2509 function infinite_scroll_data($module) {
2511 if (get_pconfig(local_user(),'system','infinite_scroll')
2512 AND ($module == "network") AND ($_GET["mode"] != "minimal")) {
2514 // get the page number
2515 if (is_string($_GET["page"]))
2516 $pageno = $_GET["page"];
2522 // try to get the uri from which we load the content
2523 foreach ($_GET AS $param => $value)
2524 if (($param != "page") AND ($param != "q"))
2525 $reload_uri .= "&".$param."=".urlencode($value);
2527 if (($a->page_offset != "") AND !strstr($reload_uri, "&offset="))
2528 $reload_uri .= "&offset=".urlencode($a->page_offset);
2530 $arr = array("pageno" => $pageno, "reload_uri" => $reload_uri);