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('include/pidfile.php');
36 require_once('update.php');
37 require_once('include/dbstructure.php');
39 define ( 'FRIENDICA_PLATFORM', 'Friendica');
40 define ( 'FRIENDICA_CODENAME', 'Asparagus');
41 define ( 'FRIENDICA_VERSION', '3.5.1-rc' );
42 define ( 'DFRN_PROTOCOL_VERSION', '2.23' );
43 define ( 'DB_UPDATE_VERSION', 1214 );
46 * @brief Constant with a HTML line break.
48 * Contains a HTML line break (br) element and a real carriage return with line
49 * feed for the source.
50 * This can be used in HTML and JavaScript where needed a line break.
52 define ( 'EOL', "<br />\r\n" );
53 define ( 'ATOM_TIME', 'Y-m-d\TH:i:s\Z' );
57 * @brief Image storage quality.
59 * Lower numbers save space at cost of image detail.
60 * For ease of upgrade, please do not change here. Change jpeg quality with
61 * $a->config['system']['jpeg_quality'] = n;
62 * in .htconfig.php, where n is netween 1 and 100, and with very poor results
67 define ( 'JPEG_QUALITY', 100 );
69 * $a->config['system']['png_quality'] from 0 (uncompressed) to 9
71 define ( 'PNG_QUALITY', 8 );
75 * An alternate way of limiting picture upload sizes. Specify the maximum pixel
76 * length that pictures are allowed to be (for non-square pictures, it will apply
77 * to the longest side). Pictures longer than this length will be resized to be
78 * this length (on the longest side, the other side will be scaled appropriately).
79 * Modify this value using
81 * $a->config['system']['max_image_length'] = n;
85 * If you don't want to set a maximum length, set to -1. The default value is
86 * defined by 'MAX_IMAGE_LENGTH' below.
89 define ( 'MAX_IMAGE_LENGTH', -1 );
96 define ( 'DEFAULT_DB_ENGINE', 'MyISAM' );
101 * SSL redirection policies
104 define ( 'SSL_POLICY_NONE', 0 );
105 define ( 'SSL_POLICY_FULL', 1 );
106 define ( 'SSL_POLICY_SELFSIGN', 2 );
115 define ( 'LOGGER_NORMAL', 0 );
116 define ( 'LOGGER_TRACE', 1 );
117 define ( 'LOGGER_DEBUG', 2 );
118 define ( 'LOGGER_DATA', 3 );
119 define ( 'LOGGER_ALL', 4 );
128 define ( 'CACHE_MONTH', 0 );
129 define ( 'CACHE_WEEK', 1 );
130 define ( 'CACHE_DAY', 2 );
131 define ( 'CACHE_HOUR', 3 );
132 define ( 'CACHE_HALF_HOUR', 4 );
133 define ( 'CACHE_QUARTER_HOUR', 5 );
134 define ( 'CACHE_FIVE_MINUTES', 6 );
135 define ( 'CACHE_MINUTE', 7 );
141 * Registration policies
144 define ( 'REGISTER_CLOSED', 0 );
145 define ( 'REGISTER_APPROVE', 1 );
146 define ( 'REGISTER_OPEN', 2 );
155 define ( 'CONTACT_IS_FOLLOWER', 1);
156 define ( 'CONTACT_IS_SHARING', 2);
157 define ( 'CONTACT_IS_FRIEND', 3);
163 * DB update return values
166 define ( 'UPDATE_SUCCESS', 0);
167 define ( 'UPDATE_FAILED', 1);
172 * @name page/profile types
174 * PAGE_NORMAL is a typical personal profile account
175 * PAGE_SOAPBOX automatically approves all friend requests as CONTACT_IS_SHARING, (readonly)
176 * PAGE_COMMUNITY automatically approves all friend requests as CONTACT_IS_SHARING, but with
177 * write access to wall and comments (no email and not included in page owner's ACL lists)
178 * PAGE_FREELOVE automatically approves all friend requests as full friends (CONTACT_IS_FRIEND).
182 define ( 'PAGE_NORMAL', 0 );
183 define ( 'PAGE_SOAPBOX', 1 );
184 define ( 'PAGE_COMMUNITY', 2 );
185 define ( 'PAGE_FREELOVE', 3 );
186 define ( 'PAGE_BLOG', 4 );
187 define ( 'PAGE_PRVGROUP', 5 );
191 * @name account types
193 * ACCOUNT_TYPE_PERSON - the account belongs to a person
194 * Associated page types: PAGE_NORMAL, PAGE_SOAPBOX, PAGE_FREELOVE
196 * ACCOUNT_TYPE_ORGANISATION - the account belongs to an organisation
197 * Associated page type: PAGE_SOAPBOX
199 * ACCOUNT_TYPE_NEWS - the account is a news reflector
200 * Associated page type: PAGE_SOAPBOX
202 * ACCOUNT_TYPE_COMMUNITY - the account is community forum
203 * Associated page types: PAGE_COMMUNITY, PAGE_PRVGROUP
206 define ( 'ACCOUNT_TYPE_PERSON', 0 );
207 define ( 'ACCOUNT_TYPE_ORGANISATION',1 );
208 define ( 'ACCOUNT_TYPE_NEWS', 2 );
209 define ( 'ACCOUNT_TYPE_COMMUNITY', 3 );
215 * Type of the community page
218 define ( 'CP_NO_COMMUNITY_PAGE', -1 );
219 define ( 'CP_USERS_ON_SERVER', 0 );
220 define ( 'CP_GLOBAL_COMMUNITY', 1 );
226 * Network and protocol family types
229 define ( 'NETWORK_DFRN', 'dfrn'); // Friendica, Mistpark, other DFRN implementations
230 define ( 'NETWORK_ZOT', 'zot!'); // Zot!
231 define ( 'NETWORK_OSTATUS', 'stat'); // status.net, identi.ca, GNU-social, other OStatus implementations
232 define ( 'NETWORK_FEED', 'feed'); // RSS/Atom feeds with no known "post/notify" protocol
233 define ( 'NETWORK_DIASPORA', 'dspr'); // Diaspora
234 define ( 'NETWORK_MAIL', 'mail'); // IMAP/POP
235 define ( 'NETWORK_MAIL2', 'mai2'); // extended IMAP/POP
236 define ( 'NETWORK_FACEBOOK', 'face'); // Facebook API
237 define ( 'NETWORK_LINKEDIN', 'lnkd'); // LinkedIn
238 define ( 'NETWORK_XMPP', 'xmpp'); // XMPP
239 define ( 'NETWORK_MYSPACE', 'mysp'); // MySpace
240 define ( 'NETWORK_GPLUS', 'goog'); // Google+
241 define ( 'NETWORK_PUMPIO', 'pump'); // pump.io
242 define ( 'NETWORK_TWITTER', 'twit'); // Twitter
243 define ( 'NETWORK_DIASPORA2', 'dspc'); // Diaspora connector
244 define ( 'NETWORK_STATUSNET', 'stac'); // Statusnet connector
245 define ( 'NETWORK_APPNET', 'apdn'); // app.net
246 define ( 'NETWORK_NEWS', 'nntp'); // Network News Transfer Protocol
247 define ( 'NETWORK_ICALENDAR', 'ical'); // iCalendar
248 define ( 'NETWORK_PNUT', 'pnut'); // pnut.io
249 define ( 'NETWORK_PHANTOM', 'unkn'); // Place holder
253 * These numbers are used in stored permissions
254 * and existing allocations MUST NEVER BE CHANGED
255 * OR RE-ASSIGNED! You may only add to them.
258 $netgroup_ids = array(
259 NETWORK_DFRN => (-1),
261 NETWORK_OSTATUS => (-3),
262 NETWORK_FEED => (-4),
263 NETWORK_DIASPORA => (-5),
264 NETWORK_MAIL => (-6),
265 NETWORK_MAIL2 => (-7),
266 NETWORK_FACEBOOK => (-8),
267 NETWORK_LINKEDIN => (-9),
268 NETWORK_XMPP => (-10),
269 NETWORK_MYSPACE => (-11),
270 NETWORK_GPLUS => (-12),
271 NETWORK_PUMPIO => (-13),
272 NETWORK_TWITTER => (-14),
273 NETWORK_DIASPORA2 => (-15),
274 NETWORK_STATUSNET => (-16),
275 NETWORK_APPNET => (-17),
276 NETWORK_NEWS => (-18),
277 NETWORK_ICALENDAR => (-19),
278 NETWORK_PNUT => (-20),
280 NETWORK_PHANTOM => (-127),
285 * Maximum number of "people who like (or don't like) this" that we will list by name
288 define ( 'MAX_LIKERS', 75);
291 * Communication timeout
294 define ( 'ZCURL_TIMEOUT' , (-1));
300 * Email notification options
303 define ( 'NOTIFY_INTRO', 0x0001 );
304 define ( 'NOTIFY_CONFIRM', 0x0002 );
305 define ( 'NOTIFY_WALL', 0x0004 );
306 define ( 'NOTIFY_COMMENT', 0x0008 );
307 define ( 'NOTIFY_MAIL', 0x0010 );
308 define ( 'NOTIFY_SUGGEST', 0x0020 );
309 define ( 'NOTIFY_PROFILE', 0x0040 );
310 define ( 'NOTIFY_TAGSELF', 0x0080 );
311 define ( 'NOTIFY_TAGSHARE', 0x0100 );
312 define ( 'NOTIFY_POKE', 0x0200 );
313 define ( 'NOTIFY_SHARE', 0x0400 );
315 define ( 'NOTIFY_SYSTEM', 0x8000 );
325 define ( 'TERM_UNKNOWN', 0 );
326 define ( 'TERM_HASHTAG', 1 );
327 define ( 'TERM_MENTION', 2 );
328 define ( 'TERM_CATEGORY', 3 );
329 define ( 'TERM_PCATEGORY', 4 );
330 define ( 'TERM_FILE', 5 );
331 define ( 'TERM_SAVEDSEARCH', 6 );
332 define ( 'TERM_CONVERSATION', 7 );
334 define ( 'TERM_OBJ_POST', 1 );
335 define ( 'TERM_OBJ_PHOTO', 2 );
342 * Various namespaces we may need to parse
345 define ( 'NAMESPACE_ZOT', 'http://purl.org/zot' );
346 define ( 'NAMESPACE_DFRN' , 'http://purl.org/macgirvin/dfrn/1.0' );
347 define ( 'NAMESPACE_THREAD' , 'http://purl.org/syndication/thread/1.0' );
348 define ( 'NAMESPACE_TOMB' , 'http://purl.org/atompub/tombstones/1.0' );
349 define ( 'NAMESPACE_ACTIVITY', 'http://activitystrea.ms/spec/1.0/' );
350 define ( 'NAMESPACE_ACTIVITY_SCHEMA', 'http://activitystrea.ms/schema/1.0/' );
351 define ( 'NAMESPACE_MEDIA', 'http://purl.org/syndication/atommedia' );
352 define ( 'NAMESPACE_SALMON_ME', 'http://salmon-protocol.org/ns/magic-env' );
353 define ( 'NAMESPACE_OSTATUSSUB', 'http://ostatus.org/schema/1.0/subscribe' );
354 define ( 'NAMESPACE_GEORSS', 'http://www.georss.org/georss' );
355 define ( 'NAMESPACE_POCO', 'http://portablecontacts.net/spec/1.0' );
356 define ( 'NAMESPACE_FEED', 'http://schemas.google.com/g/2010#updates-from' );
357 define ( 'NAMESPACE_OSTATUS', 'http://ostatus.org/schema/1.0' );
358 define ( 'NAMESPACE_STATUSNET', 'http://status.net/schema/api/1/' );
359 define ( 'NAMESPACE_ATOM1', 'http://www.w3.org/2005/Atom' );
365 * Activity stream defines
368 define ( 'ACTIVITY_LIKE', NAMESPACE_ACTIVITY_SCHEMA . 'like' );
369 define ( 'ACTIVITY_DISLIKE', NAMESPACE_DFRN . '/dislike' );
370 define ( 'ACTIVITY_ATTEND', NAMESPACE_ZOT . '/activity/attendyes' );
371 define ( 'ACTIVITY_ATTENDNO', NAMESPACE_ZOT . '/activity/attendno' );
372 define ( 'ACTIVITY_ATTENDMAYBE', NAMESPACE_ZOT . '/activity/attendmaybe' );
374 define ( 'ACTIVITY_OBJ_HEART', NAMESPACE_DFRN . '/heart' );
376 define ( 'ACTIVITY_FRIEND', NAMESPACE_ACTIVITY_SCHEMA . 'make-friend' );
377 define ( 'ACTIVITY_REQ_FRIEND', NAMESPACE_ACTIVITY_SCHEMA . 'request-friend' );
378 define ( 'ACTIVITY_UNFRIEND', NAMESPACE_ACTIVITY_SCHEMA . 'remove-friend' );
379 define ( 'ACTIVITY_FOLLOW', NAMESPACE_ACTIVITY_SCHEMA . 'follow' );
380 define ( 'ACTIVITY_UNFOLLOW', NAMESPACE_ACTIVITY_SCHEMA . 'stop-following' );
381 define ( 'ACTIVITY_JOIN', NAMESPACE_ACTIVITY_SCHEMA . 'join' );
383 define ( 'ACTIVITY_POST', NAMESPACE_ACTIVITY_SCHEMA . 'post' );
384 define ( 'ACTIVITY_UPDATE', NAMESPACE_ACTIVITY_SCHEMA . 'update' );
385 define ( 'ACTIVITY_TAG', NAMESPACE_ACTIVITY_SCHEMA . 'tag' );
386 define ( 'ACTIVITY_FAVORITE', NAMESPACE_ACTIVITY_SCHEMA . 'favorite' );
387 define ( 'ACTIVITY_SHARE', NAMESPACE_ACTIVITY_SCHEMA . 'share' );
389 define ( 'ACTIVITY_POKE', NAMESPACE_ZOT . '/activity/poke' );
390 define ( 'ACTIVITY_MOOD', NAMESPACE_ZOT . '/activity/mood' );
392 define ( 'ACTIVITY_OBJ_BOOKMARK', NAMESPACE_ACTIVITY_SCHEMA . 'bookmark' );
393 define ( 'ACTIVITY_OBJ_COMMENT', NAMESPACE_ACTIVITY_SCHEMA . 'comment' );
394 define ( 'ACTIVITY_OBJ_NOTE', NAMESPACE_ACTIVITY_SCHEMA . 'note' );
395 define ( 'ACTIVITY_OBJ_PERSON', NAMESPACE_ACTIVITY_SCHEMA . 'person' );
396 define ( 'ACTIVITY_OBJ_IMAGE', NAMESPACE_ACTIVITY_SCHEMA . 'image' );
397 define ( 'ACTIVITY_OBJ_PHOTO', NAMESPACE_ACTIVITY_SCHEMA . 'photo' );
398 define ( 'ACTIVITY_OBJ_VIDEO', NAMESPACE_ACTIVITY_SCHEMA . 'video' );
399 define ( 'ACTIVITY_OBJ_P_PHOTO', NAMESPACE_ACTIVITY_SCHEMA . 'profile-photo' );
400 define ( 'ACTIVITY_OBJ_ALBUM', NAMESPACE_ACTIVITY_SCHEMA . 'photo-album' );
401 define ( 'ACTIVITY_OBJ_EVENT', NAMESPACE_ACTIVITY_SCHEMA . 'event' );
402 define ( 'ACTIVITY_OBJ_GROUP', NAMESPACE_ACTIVITY_SCHEMA . 'group' );
403 define ( 'ACTIVITY_OBJ_TAGTERM', NAMESPACE_DFRN . '/tagterm' );
404 define ( 'ACTIVITY_OBJ_PROFILE', NAMESPACE_DFRN . '/profile' );
405 define ( 'ACTIVITY_OBJ_QUESTION', 'http://activityschema.org/object/question' );
411 * Item weight for query ordering
414 define ( 'GRAVITY_PARENT', 0);
415 define ( 'GRAVITY_LIKE', 3);
416 define ( 'GRAVITY_COMMENT', 6);
422 * Process priority for the worker
425 define('PRIORITY_UNDEFINED', 0);
426 define('PRIORITY_CRITICAL', 10);
427 define('PRIORITY_HIGH', 20);
428 define('PRIORITY_MEDIUM', 30);
429 define('PRIORITY_LOW', 40);
430 define('PRIORITY_NEGLIGIBLE',50);
434 * @name Social Relay settings
436 * See here: https://github.com/jaywink/social-relay
437 * and here: https://wiki.diasporafoundation.org/Relay_servers_for_public_posts
440 define('SR_SCOPE_NONE', '');
441 define('SR_SCOPE_ALL', 'all');
442 define('SR_SCOPE_TAGS', 'tags');
446 * Lowest possible date time value
449 //define ('NULL_DATE', '0001-01-01 00:00:00');
450 define ('NULL_DATE', '0000-00-00 00:00:00');
453 // Normally this constant is defined - but not if "pcntl" isn't installed
454 if (!defined("SIGTERM"))
455 define("SIGTERM", 15);
459 * Reverse the effect of magic_quotes_gpc if it is enabled.
460 * Please disable magic_quotes_gpc so we don't have to do this.
461 * See http://php.net/manual/en/security.magicquotes.disabling.php
467 error_reporting(E_ERROR | E_WARNING | E_PARSE);
471 // This has to be quite large to deal with embedded private photos
472 ini_set('pcre.backtrack_limit', 500000);
475 if (get_magic_quotes_gpc()) {
476 $process = array(&$_GET, &$_POST, &$_COOKIE, &$_REQUEST);
477 while (list($key, $val) = each($process)) {
478 foreach ($val as $k => $v) {
479 unset($process[$key][$k]);
481 $process[$key][stripslashes($k)] = $v;
482 $process[] = &$process[$key][stripslashes($k)];
484 $process[$key][stripslashes($k)] = stripslashes($v);
497 * @brief Our main application structure for the life of this page.
499 * Primarily deals with the URL that got us here
500 * and tries to make some sense of it, and
501 * stores our page contents and config storage
502 * and anything else that might need to be passed around
503 * before we spit the page out.
508 public $module_loaded = false;
509 public $query_string;
518 public $page_contact;
520 public $data = array();
521 public $error = false;
531 public $interactive = true;
533 public $apps = array();
535 public $is_mobile = false;
536 public $is_tablet = false;
537 public $is_friendica_app;
538 public $performance = array();
539 public $callstack = array();
540 public $theme_info = array();
541 public $backend = true;
548 // Allow themes to control internal parameters
549 // by changing App values in theme.php
551 public $sourcename = '';
552 public $videowidth = 425;
553 public $videoheight = 350;
554 public $force_max_items = 0;
555 public $theme_thread_allow = true;
556 public $theme_events_in_profile = true;
559 * @brief An array for all theme-controllable parameters
561 * Mostly unimplemented yet. Only options 'template_engine' and
564 public $theme = array(
567 'videoheight' => 350,
568 'force_max_items' => 0,
569 'thread_allow' => true,
571 'template_engine' => 'smarty3',
575 * @brief An array of registered template engines ('name'=>'class name')
577 public $template_engines = array();
579 * @brief An array of instanced template engines ('name'=>'instance')
581 public $template_engine_instance = array();
585 private $ldelim = array(
589 private $rdelim = array(
599 private $curl_content_type;
600 private $curl_headers;
602 private $cached_profile_image;
603 private $cached_profile_picdate;
608 * @brief App constructor.
610 function __construct() {
612 global $default_timezone;
616 if (file_exists(".htpreconfig.php"))
617 @include(".htpreconfig.php");
619 $this->timezone = ((x($default_timezone)) ? $default_timezone : 'UTC');
621 date_default_timezone_set($this->timezone);
623 $this->performance["start"] = microtime(true);
624 $this->performance["database"] = 0;
625 $this->performance["database_write"] = 0;
626 $this->performance["network"] = 0;
627 $this->performance["file"] = 0;
628 $this->performance["rendering"] = 0;
629 $this->performance["parser"] = 0;
630 $this->performance["marktime"] = 0;
631 $this->performance["markstart"] = microtime(true);
633 $this->callstack["database"] = array();
634 $this->callstack["database_write"] = array();
635 $this->callstack["network"] = array();
636 $this->callstack["file"] = array();
637 $this->callstack["rendering"] = array();
638 $this->callstack["parser"] = array();
640 $this->config = array();
641 $this->page = array();
642 $this->pager= array();
644 $this->query_string = '';
646 $this->process_id = uniqid("log", true);
651 'include' . PATH_SEPARATOR
652 . 'library' . PATH_SEPARATOR
653 . 'library/phpsec' . PATH_SEPARATOR
654 . 'library/langdet' . PATH_SEPARATOR
658 $this->scheme = 'http';
659 if((x($_SERVER,'HTTPS') && $_SERVER['HTTPS']) ||
660 (x($_SERVER['HTTP_FORWARDED']) && preg_match("/proto=https/", $_SERVER['HTTP_FORWARDED'])) ||
661 (x($_SERVER['HTTP_X_FORWARDED_PROTO']) && $_SERVER['HTTP_X_FORWARDED_PROTO'] == 'https') ||
662 (x($_SERVER['HTTP_X_FORWARDED_SSL']) && $_SERVER['HTTP_X_FORWARDED_SSL'] == 'on') ||
663 (x($_SERVER['FRONT_END_HTTPS']) && $_SERVER['FRONT_END_HTTPS'] == 'on') ||
664 (x($_SERVER,'SERVER_PORT') && (intval($_SERVER['SERVER_PORT']) == 443)) // XXX: reasonable assumption, but isn't this hardcoding too much?
666 $this->scheme = 'https';
669 if(x($_SERVER,'SERVER_NAME')) {
670 $this->hostname = $_SERVER['SERVER_NAME'];
672 if(x($_SERVER,'SERVER_PORT') && $_SERVER['SERVER_PORT'] != 80 && $_SERVER['SERVER_PORT'] != 443)
673 $this->hostname .= ':' . $_SERVER['SERVER_PORT'];
675 * Figure out if we are running at the top of a domain
676 * or in a sub-directory and adjust accordingly
679 $path = trim(dirname($_SERVER['SCRIPT_NAME']),'/\\');
680 if(isset($path) && strlen($path) && ($path != $this->path))
685 $this->hostname = $hostname;
687 if (is_array($_SERVER["argv"]) && $_SERVER["argc"]>1 && substr(end($_SERVER["argv"]), 0, 4)=="http" ) {
688 $this->set_baseurl(array_pop($_SERVER["argv"]) );
692 #set_include_path("include/$this->hostname" . PATH_SEPARATOR . get_include_path());
694 if ((x($_SERVER,'QUERY_STRING')) && substr($_SERVER['QUERY_STRING'],0,9) === "pagename=") {
695 $this->query_string = substr($_SERVER['QUERY_STRING'],9);
696 // removing trailing / - maybe a nginx problem
697 if (substr($this->query_string, 0, 1) == "/")
698 $this->query_string = substr($this->query_string, 1);
699 } elseif ((x($_SERVER,'QUERY_STRING')) && substr($_SERVER['QUERY_STRING'],0,2) === "q=") {
700 $this->query_string = substr($_SERVER['QUERY_STRING'],2);
701 // removing trailing / - maybe a nginx problem
702 if (substr($this->query_string, 0, 1) == "/")
703 $this->query_string = substr($this->query_string, 1);
706 if (x($_GET,'pagename')) {
707 $this->cmd = trim($_GET['pagename'],'/\\');
708 } elseif (x($_GET,'q')) {
709 $this->cmd = trim($_GET['q'],'/\\');
714 $this->query_string = str_replace($this->cmd."&",$this->cmd."?", $this->query_string);
717 // unix style "homedir"
719 if (substr($this->cmd,0,1) === '~') {
720 $this->cmd = 'profile/' . substr($this->cmd,1);
723 // Diaspora style profile url
725 if (substr($this->cmd,0,2) === 'u/') {
726 $this->cmd = 'profile/' . substr($this->cmd,2);
732 * Break the URL path into C style argc/argv style arguments for our
733 * modules. Given "http://example.com/module/arg1/arg2", $this->argc
734 * will be 3 (integer) and $this->argv will contain:
740 * There will always be one argument. If provided a naked domain
741 * URL, $this->argv[0] is set to "home".
745 $this->argv = explode('/',$this->cmd);
746 $this->argc = count($this->argv);
747 if((array_key_exists('0',$this->argv)) && strlen($this->argv[0])) {
748 $this->module = str_replace(".", "_", $this->argv[0]);
749 $this->module = str_replace("-", "_", $this->module);
753 $this->argv = array('home');
754 $this->module = 'home';
758 * See if there is any page number information, and initialise
762 $this->pager['page'] = ((x($_GET,'page') && intval($_GET['page']) > 0) ? intval($_GET['page']) : 1);
763 $this->pager['itemspage'] = 50;
764 $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
765 if($this->pager['start'] < 0)
766 $this->pager['start'] = 0;
767 $this->pager['total'] = 0;
770 * Detect mobile devices
773 $mobile_detect = new Mobile_Detect();
774 $this->is_mobile = $mobile_detect->isMobile();
775 $this->is_tablet = $mobile_detect->isTablet();
778 $this->is_friendica_app = ($_SERVER['HTTP_USER_AGENT'] == "Apache-HttpClient/UNAVAILABLE (java 1.4)");
781 * register template engines
783 $dc = get_declared_classes();
784 foreach ($dc as $k) {
785 if (in_array("ITemplateEngine", class_implements($k))){
786 $this->register_template_engine($k);
794 public static function get_basepath() {
796 $basepath = get_config("system", "basepath");
799 $basepath = dirname(__FILE__);
802 $basepath = $_SERVER["DOCUMENT_ROOT"];
805 $basepath = $_SERVER["PWD"];
810 function get_scheme() {
811 return($this->scheme);
815 * @brief Retrieves the Friendica instance base URL
817 * This function assembles the base URL from multiple parts:
818 * - Protocol is determined either by the request or a combination of
819 * system.ssl_policy and the $ssl parameter.
820 * - Host name is determined either by system.hostname or inferred from request
821 * - Path is inferred from SCRIPT_NAME
823 * Note: $ssl parameter value doesn't directly correlate with the resulting protocol
825 * @param bool $ssl Whether to append http or https under SSL_POLICY_SELFSIGN
826 * @return string Friendica server base URL
828 function get_baseurl($ssl = false) {
830 // Is the function called statically?
831 if (!(isset($this) && get_class($this) == __CLASS__)) {
832 return self::$a->get_baseurl($ssl);
835 $scheme = $this->scheme;
837 if (Config::get('system', 'ssl_policy') == SSL_POLICY_FULL) {
841 // Basically, we have $ssl = true on any links which can only be seen by a logged in user
842 // (and also the login link). Anything seen by an outsider will have it turned off.
844 if (Config::get('system', 'ssl_policy') == SSL_POLICY_SELFSIGN) {
852 if (Config::get('config', 'hostname') != '') {
853 $this->hostname = Config::get('config', 'hostname');
856 return $scheme . "://" . $this->hostname . ((isset($this->path) && strlen($this->path)) ? '/' . $this->path : '' );
860 * @brief Initializes the baseurl components
862 * Clears the baseurl cache to prevent inconstistencies
866 function set_baseurl($url) {
867 $parsed = @parse_url($url);
870 $this->scheme = $parsed['scheme'];
872 $hostname = $parsed['host'];
873 if (x($parsed, 'port')) {
874 $hostname .= ':' . $parsed['port'];
876 if (x($parsed, 'path')) {
877 $this->path = trim($parsed['path'], '\\/');
880 if (file_exists(".htpreconfig.php")) {
881 @include(".htpreconfig.php");
884 if (get_config('config', 'hostname') != '') {
885 $this->hostname = get_config('config', 'hostname');
888 if (!isset($this->hostname) OR ($this->hostname == '')) {
889 $this->hostname = $hostname;
894 function get_hostname() {
895 if (get_config('config','hostname') != "")
896 $this->hostname = get_config('config','hostname');
898 return $this->hostname;
901 function set_hostname($h) {
902 $this->hostname = $h;
905 function set_path($p) {
906 $this->path = trim(trim($p),'/');
909 function get_path() {
913 function set_pager_total($n) {
914 $this->pager['total'] = intval($n);
917 function set_pager_itemspage($n) {
918 $this->pager['itemspage'] = ((intval($n) > 0) ? intval($n) : 0);
919 $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
922 function set_pager_page($n) {
923 $this->pager['page'] = $n;
924 $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
927 function init_pagehead() {
928 $interval = ((local_user()) ? get_pconfig(local_user(),'system','update_interval') : 40000);
930 // If the update is "deactivated" set it to the highest integer number (~24 days)
932 $interval = 2147483647;
934 if($interval < 10000)
937 // compose the page title from the sitename and the
938 // current module called
939 if (!$this->module=='')
941 $this->page['title'] = $this->config['sitename'].' ('.$this->module.')';
943 $this->page['title'] = $this->config['sitename'];
946 /* put the head template at the beginning of page['htmlhead']
947 * since the code added by the modules frequently depends on it
950 if(!isset($this->page['htmlhead']))
951 $this->page['htmlhead'] = '';
953 // If we're using Smarty, then doing replace_macros() will replace
954 // any unrecognized variables with a blank string. Since we delay
955 // replacing $stylesheet until later, we need to replace it now
956 // with another variable name
957 if($this->theme['template_engine'] === 'smarty3')
958 $stylesheet = $this->get_template_ldelim('smarty3') . '$stylesheet' . $this->get_template_rdelim('smarty3');
960 $stylesheet = '$stylesheet';
962 $shortcut_icon = get_config("system", "shortcut_icon");
963 if ($shortcut_icon == "")
964 $shortcut_icon = "images/friendica-32.png";
966 $touch_icon = get_config("system", "touch_icon");
967 if ($touch_icon == "")
968 $touch_icon = "images/friendica-128.png";
970 // get data wich is needed for infinite scroll on the network page
971 $invinite_scroll = infinite_scroll_data($this->module);
973 $tpl = get_markup_template('head.tpl');
974 $this->page['htmlhead'] = replace_macros($tpl,array(
975 '$baseurl' => $this->get_baseurl(), // FIXME for z_path!!!!
976 '$local_user' => local_user(),
977 '$generator' => 'Friendica' . ' ' . FRIENDICA_VERSION,
978 '$delitem' => t('Delete this item?'),
979 '$showmore' => t('show more'),
980 '$showfewer' => t('show fewer'),
981 '$update_interval' => $interval,
982 '$shortcut_icon' => $shortcut_icon,
983 '$touch_icon' => $touch_icon,
984 '$stylesheet' => $stylesheet,
985 '$infinite_scroll' => $invinite_scroll,
986 )) . $this->page['htmlhead'];
989 function init_page_end() {
990 if(!isset($this->page['end']))
991 $this->page['end'] = '';
992 $tpl = get_markup_template('end.tpl');
993 $this->page['end'] = replace_macros($tpl,array(
994 '$baseurl' => $this->get_baseurl() // FIXME for z_path!!!!
995 )) . $this->page['end'];
998 function set_curl_code($code) {
999 $this->curl_code = $code;
1002 function get_curl_code() {
1003 return $this->curl_code;
1006 function set_curl_content_type($content_type) {
1007 $this->curl_content_type = $content_type;
1010 function get_curl_content_type() {
1011 return $this->curl_content_type;
1014 function set_curl_headers($headers) {
1015 $this->curl_headers = $headers;
1018 function get_curl_headers() {
1019 return $this->curl_headers;
1022 function get_cached_avatar_image($avatar_image){
1023 return $avatar_image;
1025 // The following code is deactivated. It doesn't seem to make any sense and it slows down the system.
1027 if($this->cached_profile_image[$avatar_image])
1028 return $this->cached_profile_image[$avatar_image];
1030 $path_parts = explode("/",$avatar_image);
1031 $common_filename = $path_parts[count($path_parts)-1];
1033 if($this->cached_profile_picdate[$common_filename]){
1034 $this->cached_profile_image[$avatar_image] = $avatar_image . $this->cached_profile_picdate[$common_filename];
1036 $r = q("SELECT `contact`.`avatar-date` AS picdate FROM `contact` WHERE `contact`.`thumb` like '%%/%s'",
1038 if (! dbm::is_result($r)) {
1039 $this->cached_profile_image[$avatar_image] = $avatar_image;
1041 $this->cached_profile_picdate[$common_filename] = "?rev=".urlencode($r[0]['picdate']);
1042 $this->cached_profile_image[$avatar_image] = $avatar_image.$this->cached_profile_picdate[$common_filename];
1045 return $this->cached_profile_image[$avatar_image];
1051 * @brief Removes the baseurl from an url. This avoids some mixed content problems.
1053 * @param string $orig_url
1055 * @return string The cleaned url
1057 function remove_baseurl($orig_url){
1059 // Is the function called statically?
1060 if (!(isset($this) && get_class($this) == __CLASS__)) {
1061 return(self::$a->remove_baseurl($orig_url));
1064 // Remove the hostname from the url if it is an internal link
1065 $nurl = normalise_link($orig_url);
1066 $base = normalise_link($this->get_baseurl());
1067 $url = str_replace($base."/", "", $nurl);
1069 // if it is an external link return the orignal value
1070 if ($url == normalise_link($orig_url)) {
1078 * @brief Register template engine class
1080 * If $name is "", is used class static property $class::$name
1082 * @param string $class
1083 * @param string $name
1085 function register_template_engine($class, $name = '') {
1087 $v = get_class_vars( $class );
1088 if(x($v,"name")) $name = $v['name'];
1091 echo "template engine <tt>$class</tt> cannot be registered without a name.\n";
1094 $this->template_engines[$name] = $class;
1098 * @brief Return template engine instance.
1100 * If $name is not defined, return engine defined by theme,
1103 * @param strin $name Template engine name
1104 * @return object Template Engine instance
1106 function template_engine($name = ''){
1108 $template_engine = $name;
1110 $template_engine = 'smarty3';
1111 if (x($this->theme, 'template_engine')) {
1112 $template_engine = $this->theme['template_engine'];
1116 if (isset($this->template_engines[$template_engine])){
1117 if(isset($this->template_engine_instance[$template_engine])){
1118 return $this->template_engine_instance[$template_engine];
1120 $class = $this->template_engines[$template_engine];
1122 $this->template_engine_instance[$template_engine] = $obj;
1127 echo "template engine <tt>$template_engine</tt> is not registered!\n"; killme();
1131 * @brief Returns the active template engine.
1135 function get_template_engine() {
1136 return $this->theme['template_engine'];
1139 function set_template_engine($engine = 'smarty3') {
1140 $this->theme['template_engine'] = $engine;
1142 $this->theme['template_engine'] = 'smarty3';
1146 if(is_writable('view/smarty3/'))
1147 $this->theme['template_engine'] = 'smarty3';
1155 function get_template_ldelim($engine = 'smarty3') {
1156 return $this->ldelim[$engine];
1159 function get_template_rdelim($engine = 'smarty3') {
1160 return $this->rdelim[$engine];
1163 function save_timestamp($stamp, $value) {
1164 if (!isset($this->config['system']['profiler']) || !$this->config['system']['profiler'])
1167 $duration = (float)(microtime(true)-$stamp);
1169 if (!isset($this->performance[$value])) {
1170 // Prevent ugly E_NOTICE
1171 $this->performance[$value] = 0;
1174 $this->performance[$value] += (float)$duration;
1175 $this->performance["marktime"] += (float)$duration;
1177 $callstack = $this->callstack();
1179 if (!isset($this->callstack[$value][$callstack])) {
1180 // Prevent ugly E_NOTICE
1181 $this->callstack[$value][$callstack] = 0;
1184 $this->callstack[$value][$callstack] += (float)$duration;
1189 * @brief Log active processes into the "process" table
1191 function start_process() {
1192 $trace = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS, 1);
1194 $command = basename($trace[0]["file"]);
1196 $this->remove_inactive_processes();
1198 q("START TRANSACTION");
1200 $r = q("SELECT `pid` FROM `process` WHERE `pid` = %d", intval(getmypid()));
1201 if (!dbm::is_result($r)) {
1202 q("INSERT INTO `process` (`pid`,`command`,`created`) VALUES (%d, '%s', '%s')",
1205 dbesc(datetime_convert()));
1211 * @brief Remove inactive processes
1213 function remove_inactive_processes() {
1214 q("START TRANSACTION");
1216 $r = q("SELECT `pid` FROM `process`");
1217 if (dbm::is_result($r)) {
1218 foreach ($r AS $process) {
1219 if (!posix_kill($process["pid"], 0)) {
1220 q("DELETE FROM `process` WHERE `pid` = %d", intval($process["pid"]));
1228 * @brief Remove the active process from the "process" table
1230 function end_process() {
1231 q("DELETE FROM `process` WHERE `pid` = %d", intval(getmypid()));
1235 * @brief Returns a string with a callstack. Can be used for logging.
1239 function callstack() {
1240 $trace = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS, 6);
1242 // We remove the first two items from the list since they contain data that we don't need.
1243 array_shift($trace);
1244 array_shift($trace);
1246 $callstack = array();
1247 foreach ($trace AS $func)
1248 $callstack[] = $func["function"];
1250 return implode(", ", $callstack);
1253 function get_useragent() {
1254 return(FRIENDICA_PLATFORM." '".FRIENDICA_CODENAME."' ".FRIENDICA_VERSION."-".DB_UPDATE_VERSION."; ".$this->get_baseurl());
1257 function is_friendica_app() {
1258 return($this->is_friendica_app);
1262 * @brief Checks if the site is called via a backend process
1264 * This isn't a perfect solution. But we need this check very early.
1265 * So we cannot wait until the modules are loaded.
1267 * @return bool Is it a known backend?
1269 function is_backend() {
1271 $backend[] = "_well_known";
1273 $backend[] = "dfrn_notify";
1274 $backend[] = "fetch";
1275 $backend[] = "hcard";
1276 $backend[] = "hostxrd";
1277 $backend[] = "nodeinfo";
1278 $backend[] = "noscrape";
1280 $backend[] = "poco";
1281 $backend[] = "post";
1282 $backend[] = "proxy";
1283 $backend[] = "pubsub";
1284 $backend[] = "pubsubhubbub";
1285 $backend[] = "receive";
1286 $backend[] = "rsd_xml";
1287 $backend[] = "salmon";
1288 $backend[] = "statistics_json";
1291 if (in_array($this->module, $backend))
1294 return($this->backend);
1298 * @brief Checks if the maximum number of database processes is reached
1300 * @return bool Is the limit reached?
1302 function max_processes_reached() {
1304 if ($this->is_backend()) {
1305 $process = "backend";
1306 $max_processes = get_config('system', 'max_processes_backend');
1307 if (intval($max_processes) == 0)
1310 $process = "frontend";
1311 $max_processes = get_config('system', 'max_processes_frontend');
1312 if (intval($max_processes) == 0)
1313 $max_processes = 20;
1316 $processlist = dbm::processlist();
1317 if ($processlist["list"] != "") {
1318 logger("Processcheck: Processes: ".$processlist["amount"]." - Processlist: ".$processlist["list"], LOGGER_DEBUG);
1320 if ($processlist["amount"] > $max_processes) {
1321 logger("Processcheck: Maximum number of processes for ".$process." tasks (".$max_processes.") reached.", LOGGER_DEBUG);
1329 * @brief Checks if the maximum load is reached
1331 * @return bool Is the load reached?
1333 function maxload_reached() {
1335 if ($this->is_backend()) {
1336 $process = "backend";
1337 $maxsysload = intval(get_config('system', 'maxloadavg'));
1338 if ($maxsysload < 1)
1341 $process = "frontend";
1342 $maxsysload = intval(get_config('system','maxloadavg_frontend'));
1343 if ($maxsysload < 1)
1347 $load = current_load();
1349 if (intval($load) > $maxsysload) {
1350 logger('system: load '.$load.' for '.$process.' tasks ('.$maxsysload.') too high.');
1358 * @brief Checks if the process is already running
1360 * @param string $taskname The name of the task that will be used for the name of the lockfile
1361 * @param string $task The path and name of the php script
1362 * @param int $timeout The timeout after which a task should be killed
1364 * @return bool Is the process running?
1366 function is_already_running($taskname, $task = "", $timeout = 540) {
1368 $lockpath = get_lockpath();
1369 if ($lockpath != '') {
1370 $pidfile = new pidfile($lockpath, $taskname);
1371 if ($pidfile->is_already_running()) {
1372 logger("Already running");
1373 if ($pidfile->running_time() > $timeout) {
1375 logger("killed stale process");
1376 // Calling a new instance
1378 proc_run(PRIORITY_MEDIUM, $task);
1386 function proc_run($args) {
1388 if (!function_exists("proc_open")) {
1392 // Add the php path if it is a php call
1393 if (count($args) && ($args[0] === 'php' OR !is_string($args[0]))) {
1395 // If the last worker fork was less than 10 seconds before then don't fork another one.
1396 // This should prevent the forking of masses of workers.
1397 if (get_config("system", "worker")) {
1398 $cachekey = "app:proc_run:started";
1399 $result = Cache::get($cachekey);
1400 if (!is_null($result)) {
1401 if ((time() - $result) < 10) {
1405 // Set the timestamp of the last proc_run
1406 Cache::set($cachekey, time(), CACHE_MINUTE);
1409 $args[0] = ((x($this->config,'php_path')) && (strlen($this->config['php_path'])) ? $this->config['php_path'] : 'php');
1412 // add baseurl to args. cli scripts can't construct it
1413 $args[] = $this->get_baseurl();
1415 for($x = 0; $x < count($args); $x ++)
1416 $args[$x] = escapeshellarg($args[$x]);
1418 $cmdline = implode($args," ");
1420 if(get_config('system','proc_windows'))
1421 proc_close(proc_open('cmd /c start /b ' . $cmdline,array(),$foo,dirname(__FILE__)));
1423 proc_close(proc_open($cmdline." &",array(),$foo,dirname(__FILE__)));
1428 * @brief Returns the system user that is executing the script
1430 * This mostly returns something like "www-data".
1432 * @return string system username
1434 static function systemuser() {
1435 if (!function_exists('posix_getpwuid') OR !function_exists('posix_geteuid')) {
1439 $processUser = posix_getpwuid(posix_geteuid());
1440 return $processUser['name'];
1444 * @brief Checks if a given directory is usable for the system
1446 * @return boolean the directory is usable
1448 static function directory_usable($directory) {
1450 if ($directory == '') {
1451 logger("Directory is empty. This shouldn't happen.", LOGGER_DEBUG);
1455 if (!file_exists($directory)) {
1456 logger('Path "'.$directory.'" does not exist for user '.self::systemuser(), LOGGER_DEBUG);
1459 if (is_file($directory)) {
1460 logger('Path "'.$directory.'" is a file for user '.self::systemuser(), LOGGER_DEBUG);
1463 if (!is_dir($directory)) {
1464 logger('Path "'.$directory.'" is not a directory for user '.self::systemuser(), LOGGER_DEBUG);
1467 if (!is_writable($directory)) {
1468 logger('Path "'.$directory.'" is not writable for user '.self::systemuser(), LOGGER_DEBUG);
1476 * @brief Retrieve the App structure
1478 * Useful in functions which require it but don't get it passed to them
1480 function get_app() {
1487 * @brief Multi-purpose function to check variable state.
1489 * Usage: x($var) or $x($array, 'key')
1491 * returns false if variable/key is not set
1492 * if variable is set, returns 1 if has 'non-zero' value, otherwise returns 0.
1493 * e.g. x('') or x(0) returns 0;
1495 * @param string|array $s variable to check
1496 * @param string $k key inside the array to check
1500 function x($s,$k = NULL) {
1502 if((is_array($s)) && (array_key_exists($k,$s))) {
1522 * @brief Called from db initialisation if db is dead.
1524 function system_unavailable() {
1525 include('system_unavailable.php');
1531 function clean_urls() {
1537 $base = App::get_baseurl();
1546 * @brief Returns the baseurl.
1548 * @see App::get_baseurl()
1551 * @TODO Maybe super-flous and deprecated? Seems to only wrap App::get_baseurl()
1554 return App::get_baseurl();
1558 * @brief Return absolut URL for given $path.
1560 * @param string $path
1564 function absurl($path) {
1565 if(strpos($path,'/') === 0)
1566 return z_path() . $path;
1571 * @brief Function to check if request was an AJAX (xmlhttprequest) request.
1575 function is_ajax() {
1576 return (!empty($_SERVER['HTTP_X_REQUESTED_WITH']) && strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) == 'xmlhttprequest');
1579 function check_db() {
1581 $build = get_config('system','build');
1583 set_config('system','build',DB_UPDATE_VERSION);
1584 $build = DB_UPDATE_VERSION;
1586 if($build != DB_UPDATE_VERSION)
1587 proc_run(PRIORITY_CRITICAL, 'include/dbupdate.php');
1593 * Sets the base url for use in cmdline programs which don't have
1594 * $_SERVER variables
1596 function check_url(App $a) {
1598 $url = get_config('system','url');
1600 // if the url isn't set or the stored url is radically different
1601 // than the currently visited url, store the current value accordingly.
1602 // "Radically different" ignores common variations such as http vs https
1603 // and www.example.com vs example.com.
1604 // We will only change the url to an ip address if there is no existing setting
1607 $url = set_config('system','url',App::get_baseurl());
1608 if((! link_compare($url,App::get_baseurl())) && (! preg_match("/^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/",$a->get_hostname)))
1609 $url = set_config('system','url',App::get_baseurl());
1616 * @brief Automatic database updates
1618 function update_db(App $a) {
1619 $build = get_config('system','build');
1621 $build = set_config('system','build',DB_UPDATE_VERSION);
1623 if($build != DB_UPDATE_VERSION) {
1624 $stored = intval($build);
1625 $current = intval(DB_UPDATE_VERSION);
1626 if($stored < $current) {
1627 Config::load('database');
1629 // We're reporting a different version than what is currently installed.
1630 // Run any existing update scripts to bring the database up to current.
1632 // make sure that boot.php and update.php are the same release, we might be
1633 // updating right this very second and the correct version of the update.php
1634 // file may not be here yet. This can happen on a very busy site.
1636 if(DB_UPDATE_VERSION == UPDATE_VERSION) {
1637 // Compare the current structure with the defined structure
1639 $t = get_config('database','dbupdate_'.DB_UPDATE_VERSION);
1643 set_config('database','dbupdate_'.DB_UPDATE_VERSION, time());
1645 // run old update routine (wich could modify the schema and
1646 // conflits with new routine)
1647 for ($x = $stored; $x < NEW_UPDATE_ROUTINE_VERSION; $x++) {
1648 $r = run_update_function($x);
1651 if ($stored < NEW_UPDATE_ROUTINE_VERSION) $stored = NEW_UPDATE_ROUTINE_VERSION;
1654 // run new update routine
1655 // it update the structure in one call
1656 $retval = update_structure(false, true);
1664 set_config('database','dbupdate_'.DB_UPDATE_VERSION, 'success');
1667 // run any left update_nnnn functions in update.php
1668 for($x = $stored; $x < $current; $x ++) {
1669 $r = run_update_function($x);
1679 function run_update_function($x) {
1680 if(function_exists('update_' . $x)) {
1682 // There could be a lot of processes running or about to run.
1683 // We want exactly one process to run the update command.
1684 // So store the fact that we're taking responsibility
1685 // after first checking to see if somebody else already has.
1687 // If the update fails or times-out completely you may need to
1688 // delete the config entry to try again.
1690 $t = get_config('database','update_' . $x);
1693 set_config('database','update_' . $x, time());
1695 // call the specific update
1697 $func = 'update_' . $x;
1701 //send the administrator an e-mail
1704 sprintf(t('Update %s failed. See error logs.'), $x)
1708 set_config('database','update_' . $x, 'success');
1709 set_config('system','build', $x + 1);
1713 set_config('database','update_' . $x, 'success');
1714 set_config('system','build', $x + 1);
1721 * @brief Synchronise plugins:
1723 * $a->config['system']['addon'] contains a comma-separated list of names
1724 * of plugins/addons which are used on this system.
1725 * Go through the database list of already installed addons, and if we have
1726 * an entry, but it isn't in the config list, call the uninstall procedure
1727 * and mark it uninstalled in the database (for now we'll remove it).
1728 * Then go through the config list and if we have a plugin that isn't installed,
1729 * call the install procedure and add it to the database.
1734 function check_plugins(App $a) {
1736 $r = q("SELECT * FROM `addon` WHERE `installed` = 1");
1737 if (dbm::is_result($r))
1740 $installed = array();
1742 $plugins = get_config('system','addon');
1743 $plugins_arr = array();
1746 $plugins_arr = explode(',',str_replace(' ', '',$plugins));
1748 $a->plugins = $plugins_arr;
1750 $installed_arr = array();
1752 if(count($installed)) {
1753 foreach($installed as $i) {
1754 if(! in_array($i['name'],$plugins_arr)) {
1755 uninstall_plugin($i['name']);
1758 $installed_arr[] = $i['name'];
1763 if(count($plugins_arr)) {
1764 foreach($plugins_arr as $p) {
1765 if(! in_array($p,$installed_arr)) {
1777 function get_guid($size=16, $prefix = "") {
1779 if ($prefix == "") {
1781 $prefix = hash("crc32", $a->get_hostname());
1784 while (strlen($prefix) < ($size - 13))
1785 $prefix .= mt_rand();
1788 $prefix = substr($prefix, 0, $size - 22);
1789 return(str_replace(".", "", uniqid($prefix, true)));
1791 $prefix = substr($prefix, 0, max($size - 13, 0));
1792 return(uniqid($prefix));
1797 * @brief Wrapper for adding a login box.
1799 * @param bool $register
1800 * If $register == true provide a registration link.
1801 * This will most always depend on the value of $a->config['register_policy'].
1802 * @param bool $hiddens
1805 * Returns the complete html for inserting into the page
1807 * @hooks 'login_hook'
1810 function login($register = false, $hiddens=false) {
1816 'title' => t('Create a New Account'),
1817 'desc' => t('Register')
1821 $noid = get_config('system','no_openid');
1823 $dest_url = $a->query_string;
1826 $tpl = get_markup_template("logout.tpl");
1829 $a->page['htmlhead'] .= replace_macros(get_markup_template("login_head.tpl"),array(
1830 '$baseurl' => $a->get_baseurl(true)
1833 $tpl = get_markup_template("login.tpl");
1834 $_SESSION['return_url'] = $a->query_string;
1835 $a->module = 'login';
1838 $o .= replace_macros($tpl, array(
1840 '$dest_url' => $dest_url,
1841 '$logout' => t('Logout'),
1842 '$login' => t('Login'),
1844 '$lname' => array('username', t('Nickname or Email: ') , '', ''),
1845 '$lpassword' => array('password', t('Password: '), '', ''),
1846 '$lremember' => array('remember', t('Remember me'), 0, ''),
1848 '$openid' => !$noid,
1849 '$lopenid' => array('openid_url', t('Or login using OpenID: '),'',''),
1851 '$hiddens' => $hiddens,
1853 '$register' => $reg,
1855 '$lostpass' => t('Forgot your password?'),
1856 '$lostlink' => t('Password Reset'),
1858 '$tostitle' => t('Website Terms of Service'),
1859 '$toslink' => t('terms of service'),
1861 '$privacytitle' => t('Website Privacy Policy'),
1862 '$privacylink' => t('privacy policy'),
1866 call_hooks('login_hook',$o);
1872 * @brief Used to end the current process, after saving session state.
1876 if (!get_app()->is_backend())
1877 session_write_close();
1883 * @brief Redirect to another URL and terminate this process.
1885 function goaway($s) {
1886 if (!strstr(normalise_link($s), "http://"))
1887 $s = App::get_baseurl()."/".$s;
1889 header("Location: $s");
1895 * @brief Returns the user id of locally logged in user or false.
1897 * @return int|bool user id or false
1899 function local_user() {
1900 if((x($_SESSION,'authenticated')) && (x($_SESSION,'uid')))
1901 return intval($_SESSION['uid']);
1906 * @brief Returns contact id of authenticated site visitor or false
1908 * @return int|bool visitor_id or false
1910 function remote_user() {
1911 if((x($_SESSION,'authenticated')) && (x($_SESSION,'visitor_id')))
1912 return intval($_SESSION['visitor_id']);
1917 * @brief Show an error message to user.
1919 * This function save text in session, to be shown to the user at next page load
1921 * @param string $s - Text of notice
1923 function notice($s) {
1925 if(! x($_SESSION,'sysmsg')) $_SESSION['sysmsg'] = array();
1927 $_SESSION['sysmsg'][] = $s;
1931 * @brief Show an info message to user.
1933 * This function save text in session, to be shown to the user at next page load
1935 * @param string $s - Text of notice
1940 if (local_user() AND get_pconfig(local_user(),'system','ignore_info'))
1943 if(! x($_SESSION,'sysmsg_info')) $_SESSION['sysmsg_info'] = array();
1945 $_SESSION['sysmsg_info'][] = $s;
1950 * @brief Wrapper around config to limit the text length of an incoming message
1954 function get_max_import_size() {
1956 return ((x($a->config,'max_import_size')) ? $a->config['max_import_size'] : 0 );
1960 * @brief Wrap calls to proc_close(proc_open()) and call hook
1961 * so plugins can take part in process :)
1963 * @param (string|integer|array) $cmd program to run, priority or parameter array
1965 * next args are passed as $cmd command line
1966 * e.g.: proc_run("ls","-la","/tmp");
1967 * or: proc_run(PRIORITY_HIGH, "include/notifier.php", "drop", $drop_id);
1968 * or: proc_run(array('priority' => PRIORITY_HIGH, 'dont_fork' => true), "include/create_shadowentry.php", $post_id);
1970 * @note $cmd and string args are surrounded with ""
1975 function proc_run($cmd){
1979 $proc_args = func_get_args();
1982 if (!count($proc_args)) {
1986 // Preserve the first parameter
1987 // It could contain a command, the priority or an parameter array
1988 // If we use the parameter array we have to protect it from the following function
1989 $run_parameter = array_shift($proc_args);
1991 // expand any arrays
1992 foreach ($proc_args as $arg) {
1993 if (is_array($arg)) {
1994 foreach ($arg as $n) {
2002 // Now we add the run parameters back to the array
2003 array_unshift($args, $run_parameter);
2005 $arr = array('args' => $args, 'run_cmd' => true);
2007 call_hooks("proc_run", $arr);
2008 if (!$arr['run_cmd'] OR !count($args))
2011 if (!get_config("system", "worker") OR (is_string($run_parameter) AND ($run_parameter != 'php'))) {
2012 $a->proc_run($args);
2016 $priority = PRIORITY_MEDIUM;
2017 $dont_fork = get_config("system", "worker_dont_fork");
2019 if (is_int($run_parameter)) {
2020 $priority = $run_parameter;
2021 } elseif (is_array($run_parameter)) {
2022 if (isset($run_parameter['priority'])) {
2023 $priority = $run_parameter['priority'];
2025 if (isset($run_parameter['dont_fork'])) {
2026 $dont_fork = $run_parameter['dont_fork'];
2033 $parameters = json_encode($argv);
2034 $found = q("SELECT `id` FROM `workerqueue` WHERE `parameter` = '%s'",
2035 dbesc($parameters));
2038 q("INSERT INTO `workerqueue` (`parameter`, `created`, `priority`)
2039 VALUES ('%s', '%s', %d)",
2041 dbesc(datetime_convert()),
2044 // Should we quit and wait for the poller to be called as a cronjob?
2049 // Checking number of workers
2050 $workers = q("SELECT COUNT(*) AS `workers` FROM `workerqueue` WHERE `executed` > '%s'", dbesc(NULL_DATE));
2052 // Get number of allowed number of worker threads
2053 $queues = intval(get_config("system", "worker_queues"));
2058 // If there are already enough workers running, don't fork another one
2059 if ($workers[0]["workers"] >= $queues)
2062 // Now call the poller to execute the jobs that we just added to the queue
2063 $args = array("php", "include/poller.php", "no_cron");
2065 $a->proc_run($args);
2068 function current_theme(){
2069 $app_base_themes = array('duepuntozero', 'dispy', 'quattro');
2075 // Find the theme that belongs to the user whose stuff we are looking at
2077 if($a->profile_uid && ($a->profile_uid != local_user())) {
2078 $r = q("select theme from user where uid = %d limit 1",
2079 intval($a->profile_uid)
2081 if (dbm::is_result($r))
2082 $page_theme = $r[0]['theme'];
2085 // Allow folks to over-rule user themes and always use their own on their own site.
2086 // This works only if the user is on the same server
2088 if($page_theme && local_user() && (local_user() != $a->profile_uid)) {
2089 if(get_pconfig(local_user(),'system','always_my_theme'))
2093 // $mobile_detect = new Mobile_Detect();
2094 // $is_mobile = $mobile_detect->isMobile() || $mobile_detect->isTablet();
2095 $is_mobile = $a->is_mobile || $a->is_tablet;
2097 $standard_system_theme = Config::get('system', 'theme', '');
2098 $standard_theme_name = ((isset($_SESSION) && x($_SESSION,'theme')) ? $_SESSION['theme'] : $standard_system_theme);
2101 if (isset($_SESSION['show-mobile']) && !$_SESSION['show-mobile']) {
2102 $system_theme = $standard_system_theme;
2103 $theme_name = $standard_theme_name;
2105 $system_theme = Config::get('system', 'mobile-theme', '');
2106 if ($system_theme == '') {
2107 $system_theme = $standard_system_theme;
2109 $theme_name = ((isset($_SESSION) && x($_SESSION,'mobile-theme')) ? $_SESSION['mobile-theme'] : $system_theme);
2111 if($theme_name === '---') {
2112 // user has selected to have the mobile theme be the same as the normal one
2113 $system_theme = $standard_system_theme;
2114 $theme_name = $standard_theme_name;
2117 $theme_name = $page_theme;
2122 $system_theme = $standard_system_theme;
2123 $theme_name = $standard_theme_name;
2126 $theme_name = $page_theme;
2130 (file_exists('view/theme/' . $theme_name . '/style.css') ||
2131 file_exists('view/theme/' . $theme_name . '/style.php')))
2132 return($theme_name);
2134 foreach($app_base_themes as $t) {
2135 if(file_exists('view/theme/' . $t . '/style.css')||
2136 file_exists('view/theme/' . $t . '/style.php'))
2140 $fallback = array_merge(glob('view/theme/*/style.css'),glob('view/theme/*/style.php'));
2141 if(count($fallback))
2142 return (str_replace('view/theme/','', substr($fallback[0],0,-10)));
2147 * @brief Return full URL to theme which is currently in effect.
2149 * Provide a sane default if nothing is chosen or the specified theme does not exist.
2153 function current_theme_url() {
2156 $t = current_theme();
2158 $opts = (($a->profile_uid) ? '?f=&puid=' . $a->profile_uid : '');
2159 if (file_exists('view/theme/' . $t . '/style.php'))
2160 return('view/theme/'.$t.'/style.pcss'.$opts);
2162 return('view/theme/'.$t.'/style.css');
2165 function feed_birthday($uid,$tz) {
2169 * Determine the next birthday, but only if the birthday is published
2170 * in the default profile. We _could_ also look for a private profile that the
2171 * recipient can see, but somebody could get mad at us if they start getting
2172 * public birthday greetings when they haven't made this info public.
2174 * Assuming we are able to publish this info, we are then going to convert
2175 * the start time from the owner's timezone to UTC.
2177 * This will potentially solve the problem found with some social networks
2178 * where birthdays are converted to the viewer's timezone and salutations from
2179 * elsewhere in the world show up on the wrong day. We will convert it to the
2180 * viewer's timezone also, but first we are going to convert it from the birthday
2181 * person's timezone to GMT - so the viewer may find the birthday starting at
2182 * 6:00PM the day before, but that will correspond to midnight to the birthday person.
2192 $p = q("SELECT `dob` FROM `profile` WHERE `is-default` = 1 AND `uid` = %d LIMIT 1",
2196 if (dbm::is_result($p)) {
2197 $tmp_dob = substr($p[0]['dob'],5);
2198 if(intval($tmp_dob)) {
2199 $y = datetime_convert($tz,$tz,'now','Y');
2200 $bd = $y . '-' . $tmp_dob . ' 00:00';
2201 $t_dob = strtotime($bd);
2202 $now = strtotime(datetime_convert($tz,$tz,'now'));
2204 $bd = $y + 1 . '-' . $tmp_dob . ' 00:00';
2205 $birthday = datetime_convert($tz,'UTC',$bd,ATOM_TIME);
2213 * @brief Check if current user has admin role.
2215 * @return bool true if user is an admin
2217 function is_site_admin() {
2220 $adminlist = explode(",", str_replace(" ", "", $a->config['admin_email']));
2222 //if(local_user() && x($a->user,'email') && x($a->config,'admin_email') && ($a->user['email'] === $a->config['admin_email']))
2223 if(local_user() && x($a->user,'email') && x($a->config,'admin_email') && in_array($a->user['email'], $adminlist))
2229 * @brief Returns querystring as string from a mapped array.
2231 * @param array $params mapped array with query parameters
2232 * @param string $name of parameter, default null
2236 function build_querystring($params, $name=null) {
2238 foreach($params as $key=>$val) {
2239 if(is_array($val)) {
2241 $ret .= build_querystring($val, $key);
2243 $ret .= build_querystring($val, $name."[$key]");
2246 $val = urlencode($val);
2248 $ret.=$name."[$key]"."=$val&";
2250 $ret.= "$key=$val&";
2257 function explode_querystring($query) {
2258 $arg_st = strpos($query, '?');
2259 if($arg_st !== false) {
2260 $base = substr($query, 0, $arg_st);
2267 $args = explode('&', substr($query, $arg_st));
2268 foreach($args as $k=>$arg) {
2272 $args = array_values($args);
2277 $args = array_values($args);
2287 * Returns the complete URL of the current page, e.g.: http(s)://something.com/network
2289 * Taken from http://webcheatsheet.com/php/get_current_page_url.php
2291 function curPageURL() {
2293 if ($_SERVER["HTTPS"] == "on") {$pageURL .= "s";}
2295 if ($_SERVER["SERVER_PORT"] != "80" && $_SERVER["SERVER_PORT"] != "443") {
2296 $pageURL .= $_SERVER["SERVER_NAME"].":".$_SERVER["SERVER_PORT"].$_SERVER["REQUEST_URI"];
2298 $pageURL .= $_SERVER["SERVER_NAME"].$_SERVER["REQUEST_URI"];
2303 function random_digits($digits) {
2305 for($i = 0; $i < $digits; $i++) {
2311 function get_server() {
2312 $server = get_config("system", "directory");
2315 $server = "http://dir.friendi.ca";
2320 function get_cachefile($file, $writemode = true) {
2321 $cache = get_itemcachepath();
2323 if ((! $cache) || (! is_dir($cache)))
2326 $subfolder = $cache."/".substr($file, 0, 2);
2328 $cachepath = $subfolder."/".$file;
2331 if (!is_dir($subfolder)) {
2333 chmod($subfolder, 0777);
2340 function clear_cache($basepath = "", $path = "") {
2342 $basepath = get_itemcachepath();
2346 if (($path == "") OR (!is_dir($path)))
2349 if (substr(realpath($path), 0, strlen($basepath)) != $basepath)
2352 $cachetime = (int)get_config('system','itemcache_duration');
2353 if ($cachetime == 0)
2356 if (is_writable($path)){
2357 if ($dh = opendir($path)) {
2358 while (($file = readdir($dh)) !== false) {
2359 $fullpath = $path."/".$file;
2360 if ((filetype($fullpath) == "dir") and ($file != ".") and ($file != ".."))
2361 clear_cache($basepath, $fullpath);
2362 if ((filetype($fullpath) == "file") and (filectime($fullpath) < (time() - $cachetime)))
2370 function get_itemcachepath() {
2371 // Checking, if the cache is deactivated
2372 $cachetime = (int)get_config('system','itemcache_duration');
2376 $itemcache = get_config('system','itemcache');
2377 if (($itemcache != "") AND App::directory_usable($itemcache)) {
2381 $temppath = get_temppath();
2383 if ($temppath != "") {
2384 $itemcache = $temppath."/itemcache";
2385 if(!file_exists($itemcache) && !is_dir($itemcache)) {
2389 if (App::directory_usable($itemcache)) {
2390 set_config("system", "itemcache", $itemcache);
2397 function get_lockpath() {
2398 $lockpath = get_config('system','lockpath');
2399 if (($lockpath != "") AND App::directory_usable($lockpath)) {
2400 // We have a lock path and it is usable
2404 // We don't have a working preconfigured lock path, so we take the temp path.
2405 $temppath = get_temppath();
2407 if ($temppath != "") {
2408 // To avoid any interferences with other systems we create our own directory
2409 $lockpath = $temppath."/lock";
2410 if (!is_dir($lockpath)) {
2414 if (App::directory_usable($lockpath)) {
2415 // The new path is usable, we are happy
2416 set_config("system", "lockpath", $lockpath);
2419 // We can't create a subdirectory, strange.
2420 // But the directory seems to work, so we use it but don't store it.
2425 // Reaching this point means that the operating system is configured badly.
2430 * @brief Returns the path where spool files are stored
2432 * @return string Spool path
2434 function get_spoolpath() {
2435 $spoolpath = get_config('system','spoolpath');
2436 if (($spoolpath != "") AND App::directory_usable($spoolpath)) {
2437 // We have a spool path and it is usable
2441 // We don't have a working preconfigured spool path, so we take the temp path.
2442 $temppath = get_temppath();
2444 if ($temppath != "") {
2445 // To avoid any interferences with other systems we create our own directory
2446 $spoolpath = $temppath."/spool";
2447 if (!is_dir($spoolpath)) {
2451 if (App::directory_usable($spoolpath)) {
2452 // The new path is usable, we are happy
2453 set_config("system", "spoolpath", $spoolpath);
2456 // We can't create a subdirectory, strange.
2457 // But the directory seems to work, so we use it but don't store it.
2462 // Reaching this point means that the operating system is configured badly.
2466 function get_temppath() {
2469 $temppath = get_config("system", "temppath");
2471 if (($temppath != "") AND App::directory_usable($temppath)) {
2472 // We have a temp path and it is usable
2476 // We don't have a working preconfigured temp path, so we take the system path.
2477 $temppath = sys_get_temp_dir();
2479 // Check if it is usable
2480 if (($temppath != "") AND App::directory_usable($temppath)) {
2481 // To avoid any interferences with other systems we create our own directory
2482 $new_temppath .= "/".$a->get_hostname();
2483 if (!is_dir($new_temppath))
2484 mkdir($new_temppath);
2486 if (App::directory_usable($new_temppath)) {
2487 // The new path is usable, we are happy
2488 set_config("system", "temppath", $new_temppath);
2489 return $new_temppath;
2491 // We can't create a subdirectory, strange.
2492 // But the directory seems to work, so we use it but don't store it.
2497 // Reaching this point means that the operating system is configured badly.
2502 function set_template_engine(App $a, $engine = 'internal') {
2503 /// @note This function is no longer necessary, but keep it as a wrapper to the class method
2504 /// to avoid breaking themes again unnecessarily
2506 $a->set_template_engine($engine);
2509 if(!function_exists('exif_imagetype')) {
2510 function exif_imagetype($file) {
2511 $size = getimagesize($file);
2516 function validate_include(&$file) {
2519 $file = realpath($file);
2521 if (strpos($file, getcwd()) !== 0)
2524 $file = str_replace(getcwd()."/", "", $file, $count);
2528 if ($orig_file !== $file)
2532 if (strpos($file, "include/") === 0)
2535 if (strpos($file, "addon/") === 0)
2544 function current_load() {
2545 if (!function_exists('sys_getloadavg'))
2548 $load_arr = sys_getloadavg();
2550 if (!is_array($load_arr))
2553 return max($load_arr[0], $load_arr[1]);
2557 * @brief get c-style args
2562 return get_app()->argc;
2566 * @brief Returns the value of a argv key
2568 * @param int $x argv key
2569 * @return string Value of the argv key
2572 if(array_key_exists($x,get_app()->argv))
2573 return get_app()->argv[$x];
2579 * @brief Get the data which is needed for infinite scroll
2581 * For invinite scroll we need the page number of the actual page
2582 * and the the URI where the content of the next page comes from.
2583 * This data is needed for the js part in main.js.
2584 * Note: infinite scroll does only work for the network page (module)
2586 * @param string $module The name of the module (e.g. "network")
2587 * @return array Of infinite scroll data
2588 * 'pageno' => $pageno The number of the actual page
2589 * 'reload_uri' => $reload_uri The URI of the content we have to load
2591 function infinite_scroll_data($module) {
2593 if (get_pconfig(local_user(),'system','infinite_scroll')
2594 AND ($module == "network") AND ($_GET["mode"] != "minimal")) {
2596 // get the page number
2597 if (is_string($_GET["page"]))
2598 $pageno = $_GET["page"];
2604 // try to get the uri from which we load the content
2605 foreach ($_GET AS $param => $value)
2606 if (($param != "page") AND ($param != "q"))
2607 $reload_uri .= "&".$param."=".urlencode($value);
2609 if (($a->page_offset != "") AND !strstr($reload_uri, "&offset="))
2610 $reload_uri .= "&offset=".urlencode($a->page_offset);
2612 $arr = array("pageno" => $pageno, "reload_uri" => $reload_uri);