3 require_once('include/config.php');
4 require_once('include/network.php');
5 require_once('include/plugin.php');
6 require_once('include/text.php');
7 require_once('include/datetime.php');
8 require_once('include/pgettext.php');
9 require_once('include/nav.php');
10 require_once('include/cache.php');
11 require_once('library/Mobile_Detect/Mobile_Detect.php');
12 require_once('include/features.php');
13 require_once('include/identity.php');
15 require_once('update.php');
16 require_once('include/dbstructure.php');
18 define ( 'FRIENDICA_PLATFORM', 'Friendica');
19 define ( 'FRIENDICA_CODENAME', 'Lily of the valley');
20 define ( 'FRIENDICA_VERSION', '3.4.2' );
21 define ( 'DFRN_PROTOCOL_VERSION', '2.23' );
22 define ( 'DB_UPDATE_VERSION', 1189 );
23 define ( 'EOL', "<br />\r\n" );
24 define ( 'ATOM_TIME', 'Y-m-d\TH:i:s\Z' );
29 * Image storage quality. Lower numbers save space at cost of image detail.
30 * For ease of upgrade, please do not change here. Change jpeg quality with
31 * $a->config['system']['jpeg_quality'] = n;
32 * in .htconfig.php, where n is netween 1 and 100, and with very poor results
37 define ( 'JPEG_QUALITY', 100 );
39 * $a->config['system']['png_quality'] from 0 (uncompressed) to 9
41 define ( 'PNG_QUALITY', 8 );
45 * An alternate way of limiting picture upload sizes. Specify the maximum pixel
46 * length that pictures are allowed to be (for non-square pictures, it will apply
47 * to the longest side). Pictures longer than this length will be resized to be
48 * this length (on the longest side, the other side will be scaled appropriately).
49 * Modify this value using
51 * $a->config['system']['max_image_length'] = n;
55 * If you don't want to set a maximum length, set to -1. The default value is
56 * defined by 'MAX_IMAGE_LENGTH' below.
59 define ( 'MAX_IMAGE_LENGTH', -1 );
66 define ( 'DEFAULT_DB_ENGINE', 'MyISAM' );
69 * SSL redirection policies
72 define ( 'SSL_POLICY_NONE', 0 );
73 define ( 'SSL_POLICY_FULL', 1 );
74 define ( 'SSL_POLICY_SELFSIGN', 2 );
81 define ( 'LOGGER_NORMAL', 0 );
82 define ( 'LOGGER_TRACE', 1 );
83 define ( 'LOGGER_DEBUG', 2 );
84 define ( 'LOGGER_DATA', 3 );
85 define ( 'LOGGER_ALL', 4 );
91 define ( 'CACHE_MONTH', 0 );
92 define ( 'CACHE_WEEK', 1 );
93 define ( 'CACHE_DAY', 2 );
94 define ( 'CACHE_HOUR', 3 );
97 * registration policies
100 define ( 'REGISTER_CLOSED', 0 );
101 define ( 'REGISTER_APPROVE', 1 );
102 define ( 'REGISTER_OPEN', 2 );
108 define ( 'CONTACT_IS_FOLLOWER', 1);
109 define ( 'CONTACT_IS_SHARING', 2);
110 define ( 'CONTACT_IS_FRIEND', 3);
114 * DB update return values
117 define ( 'UPDATE_SUCCESS', 0);
118 define ( 'UPDATE_FAILED', 1);
125 * PAGE_NORMAL is a typical personal profile account
126 * PAGE_SOAPBOX automatically approves all friend requests as CONTACT_IS_SHARING, (readonly)
127 * PAGE_COMMUNITY automatically approves all friend requests as CONTACT_IS_SHARING, but with
128 * write access to wall and comments (no email and not included in page owner's ACL lists)
129 * PAGE_FREELOVE automatically approves all friend requests as full friends (CONTACT_IS_FRIEND).
133 define ( 'PAGE_NORMAL', 0 );
134 define ( 'PAGE_SOAPBOX', 1 );
135 define ( 'PAGE_COMMUNITY', 2 );
136 define ( 'PAGE_FREELOVE', 3 );
137 define ( 'PAGE_BLOG', 4 );
138 define ( 'PAGE_PRVGROUP', 5 );
140 // Type of the community page
141 define ( 'CP_NO_COMMUNITY_PAGE', -1 );
142 define ( 'CP_USERS_ON_SERVER', 0 );
143 define ( 'CP_GLOBAL_COMMUNITY', 1 );
146 * Network and protocol family types
149 define ( 'NETWORK_DFRN', 'dfrn'); // Friendica, Mistpark, other DFRN implementations
150 define ( 'NETWORK_ZOT', 'zot!'); // Zot!
151 define ( 'NETWORK_OSTATUS', 'stat'); // status.net, identi.ca, GNU-social, other OStatus implementations
152 define ( 'NETWORK_FEED', 'feed'); // RSS/Atom feeds with no known "post/notify" protocol
153 define ( 'NETWORK_DIASPORA', 'dspr'); // Diaspora
154 define ( 'NETWORK_MAIL', 'mail'); // IMAP/POP
155 define ( 'NETWORK_MAIL2', 'mai2'); // extended IMAP/POP
156 define ( 'NETWORK_FACEBOOK', 'face'); // Facebook API
157 define ( 'NETWORK_LINKEDIN', 'lnkd'); // LinkedIn
158 define ( 'NETWORK_XMPP', 'xmpp'); // XMPP
159 define ( 'NETWORK_MYSPACE', 'mysp'); // MySpace
160 define ( 'NETWORK_GPLUS', 'goog'); // Google+
161 define ( 'NETWORK_PUMPIO', 'pump'); // pump.io
162 define ( 'NETWORK_TWITTER', 'twit'); // Twitter
163 define ( 'NETWORK_DIASPORA2', 'dspc'); // Diaspora connector
164 define ( 'NETWORK_STATUSNET', 'stac'); // Statusnet connector
165 define ( 'NETWORK_APPNET', 'apdn'); // app.net
166 define ( 'NETWORK_NEWS', 'nntp'); // Network News Transfer Protocol
167 define ( 'NETWORK_ICALENDAR', 'ical'); // iCalendar
168 define ( 'NETWORK_PHANTOM', 'unkn'); // Place holder
171 * These numbers are used in stored permissions
172 * and existing allocations MUST NEVER BE CHANGED
173 * OR RE-ASSIGNED! You may only add to them.
176 $netgroup_ids = array(
177 NETWORK_DFRN => (-1),
179 NETWORK_OSTATUS => (-3),
180 NETWORK_FEED => (-4),
181 NETWORK_DIASPORA => (-5),
182 NETWORK_MAIL => (-6),
183 NETWORK_MAIL2 => (-7),
184 NETWORK_FACEBOOK => (-8),
185 NETWORK_LINKEDIN => (-9),
186 NETWORK_XMPP => (-10),
187 NETWORK_MYSPACE => (-11),
188 NETWORK_GPLUS => (-12),
189 NETWORK_PUMPIO => (-13),
190 NETWORK_TWITTER => (-14),
191 NETWORK_DIASPORA2 => (-15),
192 NETWORK_STATUSNET => (-16),
193 NETWORK_APPNET => (-17),
194 NETWORK_NEWS => (-18),
195 NETWORK_ICALENDAR => (-19),
197 NETWORK_PHANTOM => (-127),
202 * Maximum number of "people who like (or don't like) this" that we will list by name
205 define ( 'MAX_LIKERS', 75);
208 * Communication timeout
211 define ( 'ZCURL_TIMEOUT' , (-1));
215 * email notification options
218 define ( 'NOTIFY_INTRO', 0x0001 );
219 define ( 'NOTIFY_CONFIRM', 0x0002 );
220 define ( 'NOTIFY_WALL', 0x0004 );
221 define ( 'NOTIFY_COMMENT', 0x0008 );
222 define ( 'NOTIFY_MAIL', 0x0010 );
223 define ( 'NOTIFY_SUGGEST', 0x0020 );
224 define ( 'NOTIFY_PROFILE', 0x0040 );
225 define ( 'NOTIFY_TAGSELF', 0x0080 );
226 define ( 'NOTIFY_TAGSHARE', 0x0100 );
227 define ( 'NOTIFY_POKE', 0x0200 );
228 define ( 'NOTIFY_SHARE', 0x0400 );
230 define ( 'NOTIFY_SYSTEM', 0x8000 );
237 define ( 'TERM_UNKNOWN', 0 );
238 define ( 'TERM_HASHTAG', 1 );
239 define ( 'TERM_MENTION', 2 );
240 define ( 'TERM_CATEGORY', 3 );
241 define ( 'TERM_PCATEGORY', 4 );
242 define ( 'TERM_FILE', 5 );
243 define ( 'TERM_SAVEDSEARCH', 6 );
244 define ( 'TERM_CONVERSATION', 7 );
246 define ( 'TERM_OBJ_POST', 1 );
247 define ( 'TERM_OBJ_PHOTO', 2 );
252 * various namespaces we may need to parse
255 define ( 'NAMESPACE_ZOT', 'http://purl.org/zot' );
256 define ( 'NAMESPACE_DFRN' , 'http://purl.org/macgirvin/dfrn/1.0' );
257 define ( 'NAMESPACE_THREAD' , 'http://purl.org/syndication/thread/1.0' );
258 define ( 'NAMESPACE_TOMB' , 'http://purl.org/atompub/tombstones/1.0' );
259 define ( 'NAMESPACE_ACTIVITY', 'http://activitystrea.ms/spec/1.0/' );
260 define ( 'NAMESPACE_ACTIVITY_SCHEMA', 'http://activitystrea.ms/schema/1.0/' );
261 define ( 'NAMESPACE_MEDIA', 'http://purl.org/syndication/atommedia' );
262 define ( 'NAMESPACE_SALMON_ME', 'http://salmon-protocol.org/ns/magic-env' );
263 define ( 'NAMESPACE_OSTATUSSUB', 'http://ostatus.org/schema/1.0/subscribe' );
264 define ( 'NAMESPACE_GEORSS', 'http://www.georss.org/georss' );
265 define ( 'NAMESPACE_POCO', 'http://portablecontacts.net/spec/1.0' );
266 define ( 'NAMESPACE_FEED', 'http://schemas.google.com/g/2010#updates-from' );
267 define ( 'NAMESPACE_OSTATUS', 'http://ostatus.org/schema/1.0' );
268 define ( 'NAMESPACE_STATUSNET', 'http://status.net/schema/api/1/' );
269 define ( 'NAMESPACE_ATOM1', 'http://www.w3.org/2005/Atom' );
271 * activity stream defines
274 define ( 'ACTIVITY_LIKE', NAMESPACE_ACTIVITY_SCHEMA . 'like' );
275 define ( 'ACTIVITY_DISLIKE', NAMESPACE_DFRN . '/dislike' );
276 define ( 'ACTIVITY_ATTEND', NAMESPACE_ZOT . '/activity/attendyes' );
277 define ( 'ACTIVITY_ATTENDNO', NAMESPACE_ZOT . '/activity/attendno' );
278 define ( 'ACTIVITY_ATTENDMAYBE', NAMESPACE_ZOT . '/activity/attendmaybe' );
280 define ( 'ACTIVITY_OBJ_HEART', NAMESPACE_DFRN . '/heart' );
282 define ( 'ACTIVITY_FRIEND', NAMESPACE_ACTIVITY_SCHEMA . 'make-friend' );
283 define ( 'ACTIVITY_REQ_FRIEND', NAMESPACE_ACTIVITY_SCHEMA . 'request-friend' );
284 define ( 'ACTIVITY_UNFRIEND', NAMESPACE_ACTIVITY_SCHEMA . 'remove-friend' );
285 define ( 'ACTIVITY_FOLLOW', NAMESPACE_ACTIVITY_SCHEMA . 'follow' );
286 define ( 'ACTIVITY_UNFOLLOW', NAMESPACE_ACTIVITY_SCHEMA . 'stop-following' );
287 define ( 'ACTIVITY_JOIN', NAMESPACE_ACTIVITY_SCHEMA . 'join' );
289 define ( 'ACTIVITY_POST', NAMESPACE_ACTIVITY_SCHEMA . 'post' );
290 define ( 'ACTIVITY_UPDATE', NAMESPACE_ACTIVITY_SCHEMA . 'update' );
291 define ( 'ACTIVITY_TAG', NAMESPACE_ACTIVITY_SCHEMA . 'tag' );
292 define ( 'ACTIVITY_FAVORITE', NAMESPACE_ACTIVITY_SCHEMA . 'favorite' );
293 define ( 'ACTIVITY_SHARE', NAMESPACE_ACTIVITY_SCHEMA . 'share' );
295 define ( 'ACTIVITY_POKE', NAMESPACE_ZOT . '/activity/poke' );
296 define ( 'ACTIVITY_MOOD', NAMESPACE_ZOT . '/activity/mood' );
298 define ( 'ACTIVITY_OBJ_BOOKMARK', NAMESPACE_ACTIVITY_SCHEMA . 'bookmark' );
299 define ( 'ACTIVITY_OBJ_COMMENT', NAMESPACE_ACTIVITY_SCHEMA . 'comment' );
300 define ( 'ACTIVITY_OBJ_NOTE', NAMESPACE_ACTIVITY_SCHEMA . 'note' );
301 define ( 'ACTIVITY_OBJ_PERSON', NAMESPACE_ACTIVITY_SCHEMA . 'person' );
302 define ( 'ACTIVITY_OBJ_IMAGE', NAMESPACE_ACTIVITY_SCHEMA . 'image' );
303 define ( 'ACTIVITY_OBJ_PHOTO', NAMESPACE_ACTIVITY_SCHEMA . 'photo' );
304 define ( 'ACTIVITY_OBJ_VIDEO', NAMESPACE_ACTIVITY_SCHEMA . 'video' );
305 define ( 'ACTIVITY_OBJ_P_PHOTO', NAMESPACE_ACTIVITY_SCHEMA . 'profile-photo' );
306 define ( 'ACTIVITY_OBJ_ALBUM', NAMESPACE_ACTIVITY_SCHEMA . 'photo-album' );
307 define ( 'ACTIVITY_OBJ_EVENT', NAMESPACE_ACTIVITY_SCHEMA . 'event' );
308 define ( 'ACTIVITY_OBJ_GROUP', NAMESPACE_ACTIVITY_SCHEMA . 'group' );
309 define ( 'ACTIVITY_OBJ_TAGTERM', NAMESPACE_DFRN . '/tagterm' );
310 define ( 'ACTIVITY_OBJ_PROFILE', NAMESPACE_DFRN . '/profile' );
311 define ( 'ACTIVITY_OBJ_QUESTION', 'http://activityschema.org/object/question' );
314 * item weight for query ordering
317 define ( 'GRAVITY_PARENT', 0);
318 define ( 'GRAVITY_LIKE', 3);
319 define ( 'GRAVITY_COMMENT', 6);
323 * Reverse the effect of magic_quotes_gpc if it is enabled.
324 * Please disable magic_quotes_gpc so we don't have to do this.
325 * See http://php.net/manual/en/security.magicquotes.disabling.php
331 error_reporting(E_ERROR | E_WARNING | E_PARSE);
335 // This has to be quite large to deal with embedded private photos
336 ini_set('pcre.backtrack_limit', 500000);
339 if (get_magic_quotes_gpc()) {
340 $process = array(&$_GET, &$_POST, &$_COOKIE, &$_REQUEST);
341 while (list($key, $val) = each($process)) {
342 foreach ($val as $k => $v) {
343 unset($process[$key][$k]);
345 $process[$key][stripslashes($k)] = $v;
346 $process[] = &$process[$key][stripslashes($k)];
348 $process[$key][stripslashes($k)] = stripslashes($v);
361 * Our main application structure for the life of this page
362 * Primarily deals with the URL that got us here
363 * and tries to make some sense of it, and
364 * stores our page contents and config storage
365 * and anything else that might need to be passed around
366 * before we spit the page out.
370 if(! class_exists('App')) {
373 public $module_loaded = false;
374 public $query_string;
383 public $page_contact;
385 public $data = array();
386 public $error = false;
396 public $interactive = true;
398 public $apps = array();
402 public $is_friendica_app;
403 public $performance = array();
410 // Allow themes to control internal parameters
411 // by changing App values in theme.php
413 public $sourcename = '';
414 public $videowidth = 425;
415 public $videoheight = 350;
416 public $force_max_items = 0;
417 public $theme_thread_allow = true;
418 public $theme_events_in_profile = true;
420 // An array for all theme-controllable parameters
421 // Mostly unimplemented yet. Only options 'stylesheet' and
424 public $theme = array(
427 'videoheight' => 350,
428 'force_max_items' => 0,
429 'thread_allow' => true,
431 'template_engine' => 'smarty3',
434 // array of registered template engines ('name'=>'class name')
435 public $template_engines = array();
436 // array of instanced template engines ('name'=>'instance')
437 public $template_engine_instance = array();
439 private $ldelim = array(
443 private $rdelim = array(
454 private $curl_content_type;
455 private $curl_headers;
457 private $cached_profile_image;
458 private $cached_profile_picdate;
460 function __construct() {
462 global $default_timezone;
466 if (file_exists(".htpreconfig.php"))
467 @include(".htpreconfig.php");
469 $this->timezone = ((x($default_timezone)) ? $default_timezone : 'UTC');
471 date_default_timezone_set($this->timezone);
473 $this->performance["start"] = microtime(true);
474 $this->performance["database"] = 0;
475 $this->performance["network"] = 0;
476 $this->performance["file"] = 0;
477 $this->performance["rendering"] = 0;
478 $this->performance["parser"] = 0;
479 $this->performance["marktime"] = 0;
480 $this->performance["markstart"] = microtime(true);
482 $this->config = array();
483 $this->page = array();
484 $this->pager= array();
486 $this->query_string = '';
491 'include' . PATH_SEPARATOR
492 . 'library' . PATH_SEPARATOR
493 . 'library/phpsec' . PATH_SEPARATOR
494 . 'library/langdet' . PATH_SEPARATOR
498 $this->scheme = 'http';
499 if(x($_SERVER,'HTTPS') && $_SERVER['HTTPS'])
500 $this->scheme = 'https';
501 elseif(x($_SERVER,'SERVER_PORT') && (intval($_SERVER['SERVER_PORT']) == 443))
502 $this->scheme = 'https';
504 if(x($_SERVER,'SERVER_NAME')) {
505 $this->hostname = $_SERVER['SERVER_NAME'];
507 // See bug 437 - this didn't work so disabling it
508 //if(stristr($this->hostname,'xn--')) {
509 // PHP or webserver may have converted idn to punycode, so
510 // convert punycode back to utf-8
511 // require_once('library/simplepie/idn/idna_convert.class.php');
512 // $x = new idna_convert();
513 // $this->hostname = $x->decode($_SERVER['SERVER_NAME']);
516 if(x($_SERVER,'SERVER_PORT') && $_SERVER['SERVER_PORT'] != 80 && $_SERVER['SERVER_PORT'] != 443)
517 $this->hostname .= ':' . $_SERVER['SERVER_PORT'];
519 * Figure out if we are running at the top of a domain
520 * or in a sub-directory and adjust accordingly
523 $path = trim(dirname($_SERVER['SCRIPT_NAME']),'/\\');
524 if(isset($path) && strlen($path) && ($path != $this->path))
529 $this->hostname = $hostname;
531 if (is_array($_SERVER["argv"]) && $_SERVER["argc"]>1 && substr(end($_SERVER["argv"]), 0, 4)=="http" ) {
532 $this->set_baseurl(array_pop($_SERVER["argv"]) );
536 #set_include_path("include/$this->hostname" . PATH_SEPARATOR . get_include_path());
538 if((x($_SERVER,'QUERY_STRING')) && substr($_SERVER['QUERY_STRING'],0,9) === "pagename=") {
539 $this->query_string = substr($_SERVER['QUERY_STRING'],9);
540 // removing trailing / - maybe a nginx problem
541 if (substr($this->query_string, 0, 1) == "/")
542 $this->query_string = substr($this->query_string, 1);
543 } elseif((x($_SERVER,'QUERY_STRING')) && substr($_SERVER['QUERY_STRING'],0,2) === "q=") {
544 $this->query_string = substr($_SERVER['QUERY_STRING'],2);
545 // removing trailing / - maybe a nginx problem
546 if (substr($this->query_string, 0, 1) == "/")
547 $this->query_string = substr($this->query_string, 1);
550 if (x($_GET,'pagename'))
551 $this->cmd = trim($_GET['pagename'],'/\\');
552 elseif (x($_GET,'q'))
553 $this->cmd = trim($_GET['q'],'/\\');
557 $this->query_string = str_replace($this->cmd."&",$this->cmd."?", $this->query_string);
560 // unix style "homedir"
562 if(substr($this->cmd,0,1) === '~')
563 $this->cmd = 'profile/' . substr($this->cmd,1);
565 // Diaspora style profile url
567 if(substr($this->cmd,0,2) === 'u/')
568 $this->cmd = 'profile/' . substr($this->cmd,2);
573 * Break the URL path into C style argc/argv style arguments for our
574 * modules. Given "http://example.com/module/arg1/arg2", $this->argc
575 * will be 3 (integer) and $this->argv will contain:
581 * There will always be one argument. If provided a naked domain
582 * URL, $this->argv[0] is set to "home".
586 $this->argv = explode('/',$this->cmd);
587 $this->argc = count($this->argv);
588 if((array_key_exists('0',$this->argv)) && strlen($this->argv[0])) {
589 $this->module = str_replace(".", "_", $this->argv[0]);
590 $this->module = str_replace("-", "_", $this->module);
594 $this->argv = array('home');
595 $this->module = 'home';
599 * See if there is any page number information, and initialise
603 $this->pager['page'] = ((x($_GET,'page') && intval($_GET['page']) > 0) ? intval($_GET['page']) : 1);
604 $this->pager['itemspage'] = 50;
605 $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
606 if($this->pager['start'] < 0)
607 $this->pager['start'] = 0;
608 $this->pager['total'] = 0;
611 * Detect mobile devices
614 $mobile_detect = new Mobile_Detect();
615 $this->is_mobile = $mobile_detect->isMobile();
616 $this->is_tablet = $mobile_detect->isTablet();
619 $this->is_friendica_app = ($_SERVER['HTTP_USER_AGENT'] == "Apache-HttpClient/UNAVAILABLE (java 1.4)");
622 * register template engines
624 $dc = get_declared_classes();
625 foreach ($dc as $k) {
626 if (in_array("ITemplateEngine", class_implements($k))){
627 $this->register_template_engine($k);
633 function get_basepath() {
635 $basepath = get_config("system", "basepath");
638 $basepath = $_SERVER["DOCUMENT_ROOT"];
641 $basepath = $_SERVER["PWD"];
646 function get_scheme() {
647 return($this->scheme);
650 function get_baseurl($ssl = false) {
652 $scheme = $this->scheme;
654 if((x($this->config,'system')) && (x($this->config['system'],'ssl_policy'))) {
655 if(intval($this->config['system']['ssl_policy']) === intval(SSL_POLICY_FULL))
658 // Basically, we have $ssl = true on any links which can only be seen by a logged in user
659 // (and also the login link). Anything seen by an outsider will have it turned off.
661 if($this->config['system']['ssl_policy'] == SSL_POLICY_SELFSIGN) {
669 if (get_config('config','hostname') != "")
670 $this->hostname = get_config('config','hostname');
672 $this->baseurl = $scheme . "://" . $this->hostname . ((isset($this->path) && strlen($this->path)) ? '/' . $this->path : '' );
673 return $this->baseurl;
676 function set_baseurl($url) {
677 $parsed = @parse_url($url);
679 $this->baseurl = $url;
682 $this->scheme = $parsed['scheme'];
684 $hostname = $parsed['host'];
685 if(x($parsed,'port'))
686 $hostname .= ':' . $parsed['port'];
687 if(x($parsed,'path'))
688 $this->path = trim($parsed['path'],'\\/');
690 if (file_exists(".htpreconfig.php"))
691 @include(".htpreconfig.php");
693 if (get_config('config','hostname') != "")
694 $this->hostname = get_config('config','hostname');
696 if (!isset($this->hostname) OR ($this->hostname == ""))
697 $this->hostname = $hostname;
702 function get_hostname() {
703 if (get_config('config','hostname') != "")
704 $this->hostname = get_config('config','hostname');
706 return $this->hostname;
709 function set_hostname($h) {
710 $this->hostname = $h;
713 function set_path($p) {
714 $this->path = trim(trim($p),'/');
717 function get_path() {
721 function set_pager_total($n) {
722 $this->pager['total'] = intval($n);
725 function set_pager_itemspage($n) {
726 $this->pager['itemspage'] = ((intval($n) > 0) ? intval($n) : 0);
727 $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
730 function set_pager_page($n) {
731 $this->pager['page'] = $n;
732 $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
735 function init_pagehead() {
736 $interval = ((local_user()) ? get_pconfig(local_user(),'system','update_interval') : 40000);
737 if($interval < 10000)
740 $this->page['title'] = $this->config['sitename'];
742 /* put the head template at the beginning of page['htmlhead']
743 * since the code added by the modules frequently depends on it
746 if(!isset($this->page['htmlhead']))
747 $this->page['htmlhead'] = '';
749 // If we're using Smarty, then doing replace_macros() will replace
750 // any unrecognized variables with a blank string. Since we delay
751 // replacing $stylesheet until later, we need to replace it now
752 // with another variable name
753 if($this->theme['template_engine'] === 'smarty3')
754 $stylesheet = $this->get_template_ldelim('smarty3') . '$stylesheet' . $this->get_template_rdelim('smarty3');
756 $stylesheet = '$stylesheet';
758 $shortcut_icon = get_config("system", "shortcut_icon");
759 if ($shortcut_icon == "")
760 $shortcut_icon = $this->get_baseurl()."/images/friendica-32.png";
762 $touch_icon = get_config("system", "touch_icon");
763 if ($touch_icon == "")
764 $touch_icon = $this->get_baseurl()."/images/friendica-128.png";
766 $tpl = get_markup_template('head.tpl');
767 $this->page['htmlhead'] = replace_macros($tpl,array(
768 '$baseurl' => $this->get_baseurl(), // FIXME for z_path!!!!
769 '$local_user' => local_user(),
770 '$generator' => 'Friendica' . ' ' . FRIENDICA_VERSION,
771 '$delitem' => t('Delete this item?'),
772 '$comment' => t('Comment'),
773 '$showmore' => t('show more'),
774 '$showfewer' => t('show fewer'),
775 '$update_interval' => $interval,
776 '$shortcut_icon' => $shortcut_icon,
777 '$touch_icon' => $touch_icon,
778 '$stylesheet' => $stylesheet
779 )) . $this->page['htmlhead'];
782 function init_page_end() {
783 if(!isset($this->page['end']))
784 $this->page['end'] = '';
785 $tpl = get_markup_template('end.tpl');
786 $this->page['end'] = replace_macros($tpl,array(
787 '$baseurl' => $this->get_baseurl() // FIXME for z_path!!!!
788 )) . $this->page['end'];
791 function set_curl_code($code) {
792 $this->curl_code = $code;
795 function get_curl_code() {
796 return $this->curl_code;
799 function set_curl_content_type($content_type) {
800 $this->curl_content_type = $content_type;
803 function get_curl_content_type() {
804 return $this->curl_content_type;
807 function set_curl_headers($headers) {
808 $this->curl_headers = $headers;
811 function get_curl_headers() {
812 return $this->curl_headers;
815 function get_cached_avatar_image($avatar_image){
816 if($this->cached_profile_image[$avatar_image])
817 return $this->cached_profile_image[$avatar_image];
819 $path_parts = explode("/",$avatar_image);
820 $common_filename = $path_parts[count($path_parts)-1];
822 if($this->cached_profile_picdate[$common_filename]){
823 $this->cached_profile_image[$avatar_image] = $avatar_image . $this->cached_profile_picdate[$common_filename];
825 $r = q("SELECT `contact`.`avatar-date` AS picdate FROM `contact` WHERE `contact`.`thumb` like '%%/%s'",
828 $this->cached_profile_image[$avatar_image] = $avatar_image;
830 $this->cached_profile_picdate[$common_filename] = "?rev=".urlencode($r[0]['picdate']);
831 $this->cached_profile_image[$avatar_image] = $avatar_image.$this->cached_profile_picdate[$common_filename];
834 return $this->cached_profile_image[$avatar_image];
839 * register template engine class
840 * if $name is "", is used class static property $class::$name
841 * @param string $class
842 * @param string $name
844 function register_template_engine($class, $name = '') {
846 $v = get_class_vars( $class );
847 if(x($v,"name")) $name = $v['name'];
850 echo "template engine <tt>$class</tt> cannot be registered without a name.\n";
853 $this->template_engines[$name] = $class;
857 * return template engine instance. If $name is not defined,
858 * return engine defined by theme, or default
860 * @param strin $name Template engine name
861 * @return object Template Engine instance
863 function template_engine($name = ''){
865 $template_engine = $name;
867 $template_engine = 'smarty3';
868 if (x($this->theme, 'template_engine')) {
869 $template_engine = $this->theme['template_engine'];
873 if (isset($this->template_engines[$template_engine])){
874 if(isset($this->template_engine_instance[$template_engine])){
875 return $this->template_engine_instance[$template_engine];
877 $class = $this->template_engines[$template_engine];
879 $this->template_engine_instance[$template_engine] = $obj;
884 echo "template engine <tt>$template_engine</tt> is not registered!\n"; killme();
887 function get_template_engine() {
888 return $this->theme['template_engine'];
891 function set_template_engine($engine = 'smarty3') {
892 $this->theme['template_engine'] = $engine;
894 $this->theme['template_engine'] = 'smarty3';
898 if(is_writable('view/smarty3/'))
899 $this->theme['template_engine'] = 'smarty3';
907 function get_template_ldelim($engine = 'smarty3') {
908 return $this->ldelim[$engine];
911 function get_template_rdelim($engine = 'smarty3') {
912 return $this->rdelim[$engine];
915 function save_timestamp($stamp, $value) {
916 $duration = (float)(microtime(true)-$stamp);
918 $this->performance[$value] += (float)$duration;
919 $this->performance["marktime"] += (float)$duration;
922 function mark_timestamp($mark) {
923 //$this->performance["markstart"] -= microtime(true) - $this->performance["marktime"];
924 $this->performance["markstart"] = microtime(true) - $this->performance["markstart"] - $this->performance["marktime"];
927 function get_useragent() {
928 return(FRIENDICA_PLATFORM." '".FRIENDICA_CODENAME."' ".FRIENDICA_VERSION."-".DB_UPDATE_VERSION."; ".$this->get_baseurl());
931 function is_friendica_app() {
932 return($this->is_friendica_app);
938 // retrieve the App structure
939 // useful in functions which require it but don't get it passed to them
941 if(! function_exists('get_app')) {
949 // Multi-purpose function to check variable state.
950 // Usage: x($var) or $x($array,'key')
951 // returns false if variable/key is not set
952 // if variable is set, returns 1 if has 'non-zero' value, otherwise returns 0.
953 // e.g. x('') or x(0) returns 0;
955 if(! function_exists('x')) {
956 function x($s,$k = NULL) {
958 if((is_array($s)) && (array_key_exists($k,$s))) {
977 // called from db initialisation if db is dead.
979 if(! function_exists('system_unavailable')) {
980 function system_unavailable() {
981 include('system_unavailable.php');
989 function clean_urls() {
991 // if($a->config['system']['clean_urls'])
998 $base = $a->get_baseurl();
1006 return $a->get_baseurl();
1009 function absurl($path) {
1010 if(strpos($path,'/') === 0)
1011 return z_path() . $path;
1015 function is_ajax() {
1016 return (!empty($_SERVER['HTTP_X_REQUESTED_WITH']) && strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) == 'xmlhttprequest');
1019 function check_db() {
1021 $build = get_config('system','build');
1023 set_config('system','build',DB_UPDATE_VERSION);
1024 $build = DB_UPDATE_VERSION;
1026 if($build != DB_UPDATE_VERSION)
1027 proc_run('php', 'include/dbupdate.php');
1034 // Sets the base url for use in cmdline programs which don't have
1035 // $_SERVER variables
1037 if(! function_exists('check_url')) {
1038 function check_url(&$a) {
1040 $url = get_config('system','url');
1042 // if the url isn't set or the stored url is radically different
1043 // than the currently visited url, store the current value accordingly.
1044 // "Radically different" ignores common variations such as http vs https
1045 // and www.example.com vs example.com.
1046 // We will only change the url to an ip address if there is no existing setting
1049 $url = set_config('system','url',$a->get_baseurl());
1050 if((! link_compare($url,$a->get_baseurl())) && (! preg_match("/^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/",$a->get_hostname)))
1051 $url = set_config('system','url',$a->get_baseurl());
1058 // Automatic database updates
1060 if(! function_exists('update_db')) {
1061 function update_db(&$a) {
1062 $build = get_config('system','build');
1064 $build = set_config('system','build',DB_UPDATE_VERSION);
1066 if($build != DB_UPDATE_VERSION) {
1067 $stored = intval($build);
1068 $current = intval(DB_UPDATE_VERSION);
1069 if($stored < $current) {
1070 load_config('database');
1072 // We're reporting a different version than what is currently installed.
1073 // Run any existing update scripts to bring the database up to current.
1075 // make sure that boot.php and update.php are the same release, we might be
1076 // updating right this very second and the correct version of the update.php
1077 // file may not be here yet. This can happen on a very busy site.
1079 if(DB_UPDATE_VERSION == UPDATE_VERSION) {
1080 // Compare the current structure with the defined structure
1082 $t = get_config('database','dbupdate_'.DB_UPDATE_VERSION);
1086 set_config('database','dbupdate_'.DB_UPDATE_VERSION, time());
1088 // run old update routine (wich could modify the schema and
1089 // conflits with new routine)
1090 for ($x = $stored; $x < NEW_UPDATE_ROUTINE_VERSION; $x++) {
1091 $r = run_update_function($x);
1094 if ($stored < NEW_UPDATE_ROUTINE_VERSION) $stored = NEW_UPDATE_ROUTINE_VERSION;
1097 // run new update routine
1098 // it update the structure in one call
1099 $retval = update_structure(false, true);
1107 set_config('database','dbupdate_'.DB_UPDATE_VERSION, 'success');
1110 // run any left update_nnnn functions in update.php
1111 for($x = $stored; $x < $current; $x ++) {
1112 $r = run_update_function($x);
1122 if(!function_exists('run_update_function')){
1123 function run_update_function($x) {
1124 if(function_exists('update_' . $x)) {
1126 // There could be a lot of processes running or about to run.
1127 // We want exactly one process to run the update command.
1128 // So store the fact that we're taking responsibility
1129 // after first checking to see if somebody else already has.
1131 // If the update fails or times-out completely you may need to
1132 // delete the config entry to try again.
1134 $t = get_config('database','update_' . $x);
1137 set_config('database','update_' . $x, time());
1139 // call the specific update
1141 $func = 'update_' . $x;
1145 //send the administrator an e-mail
1148 sprintf(t('Update %s failed. See error logs.'), $x)
1152 set_config('database','update_' . $x, 'success');
1153 set_config('system','build', $x + 1);
1157 set_config('database','update_' . $x, 'success');
1158 set_config('system','build', $x + 1);
1166 if(! function_exists('check_plugins')) {
1167 function check_plugins(&$a) {
1171 * Synchronise plugins:
1173 * $a->config['system']['addon'] contains a comma-separated list of names
1174 * of plugins/addons which are used on this system.
1175 * Go through the database list of already installed addons, and if we have
1176 * an entry, but it isn't in the config list, call the uninstall procedure
1177 * and mark it uninstalled in the database (for now we'll remove it).
1178 * Then go through the config list and if we have a plugin that isn't installed,
1179 * call the install procedure and add it to the database.
1183 $r = q("SELECT * FROM `addon` WHERE `installed` = 1");
1187 $installed = array();
1189 $plugins = get_config('system','addon');
1190 $plugins_arr = array();
1193 $plugins_arr = explode(',',str_replace(' ', '',$plugins));
1195 $a->plugins = $plugins_arr;
1197 $installed_arr = array();
1199 if(count($installed)) {
1200 foreach($installed as $i) {
1201 if(! in_array($i['name'],$plugins_arr)) {
1202 uninstall_plugin($i['name']);
1205 $installed_arr[] = $i['name'];
1210 if(count($plugins_arr)) {
1211 foreach($plugins_arr as $p) {
1212 if(! in_array($p,$installed_arr)) {
1225 function get_guid($size=16, $prefix = "") {
1227 if ($prefix == "") {
1229 $prefix = hash("crc32", $a->get_hostname());
1232 while (strlen($prefix) < ($size - 13))
1233 $prefix .= mt_rand();
1236 $prefix = substr($prefix, 0, $size - 22);
1237 return(str_replace(".", "", uniqid($prefix, true)));
1239 $prefix = substr($prefix, 0, $size - 13);
1240 return(uniqid($prefix));
1244 // wrapper for adding a login box. If $register == true provide a registration
1245 // link. This will most always depend on the value of $a->config['register_policy'].
1246 // returns the complete html for inserting into the page
1248 if(! function_exists('login')) {
1249 function login($register = false, $hiddens=false) {
1255 'title' => t('Create a New Account'),
1256 'desc' => t('Register')
1260 $noid = get_config('system','no_openid');
1262 $dest_url = $a->get_baseurl(true) . '/' . $a->query_string;
1265 $tpl = get_markup_template("logout.tpl");
1268 $a->page['htmlhead'] .= replace_macros(get_markup_template("login_head.tpl"),array(
1269 '$baseurl' => $a->get_baseurl(true)
1272 $tpl = get_markup_template("login.tpl");
1273 $_SESSION['return_url'] = $a->query_string;
1274 $a->module = 'login';
1277 $o .= replace_macros($tpl, array(
1279 '$dest_url' => $dest_url,
1280 '$logout' => t('Logout'),
1281 '$login' => t('Login'),
1283 '$lname' => array('username', t('Nickname or Email address: ') , '', ''),
1284 '$lpassword' => array('password', t('Password: '), '', ''),
1285 '$lremember' => array('remember', t('Remember me'), 0, ''),
1287 '$openid' => !$noid,
1288 '$lopenid' => array('openid_url', t('Or login using OpenID: '),'',''),
1290 '$hiddens' => $hiddens,
1292 '$register' => $reg,
1294 '$lostpass' => t('Forgot your password?'),
1295 '$lostlink' => t('Password Reset'),
1297 '$tostitle' => t('Website Terms of Service'),
1298 '$toslink' => t('terms of service'),
1300 '$privacytitle' => t('Website Privacy Policy'),
1301 '$privacylink' => t('privacy policy'),
1305 call_hooks('login_hook',$o);
1311 // Used to end the current process, after saving session state.
1313 if(! function_exists('killme')) {
1315 session_write_close();
1320 // redirect to another URL and terminate this process.
1322 if(! function_exists('goaway')) {
1323 function goaway($s) {
1324 header("Location: $s");
1330 // Returns the uid of locally logged in user or false.
1332 if(! function_exists('local_user')) {
1333 function local_user() {
1334 if((x($_SESSION,'authenticated')) && (x($_SESSION,'uid')))
1335 return intval($_SESSION['uid']);
1340 // Returns contact id of authenticated site visitor or false
1342 if(! function_exists('remote_user')) {
1343 function remote_user() {
1344 if((x($_SESSION,'authenticated')) && (x($_SESSION,'visitor_id')))
1345 return intval($_SESSION['visitor_id']);
1350 // contents of $s are displayed prominently on the page the next time
1351 // a page is loaded. Usually used for errors or alerts.
1353 if(! function_exists('notice')) {
1355 * Show an error message to user.
1357 * This function save text in session, to be shown to the user at next page load
1359 * @param string $s - Text of notice
1361 function notice($s) {
1363 if(! x($_SESSION,'sysmsg')) $_SESSION['sysmsg'] = array();
1365 $_SESSION['sysmsg'][] = $s;
1368 if(! function_exists('info')) {
1370 * Show an info message to user.
1372 * This function save text in session, to be shown to the user at next page load
1374 * @param string $s - Text of notice
1379 if (local_user() AND get_pconfig(local_user(),'system','ignore_info'))
1382 if(! x($_SESSION,'sysmsg_info')) $_SESSION['sysmsg_info'] = array();
1384 $_SESSION['sysmsg_info'][] = $s;
1389 // wrapper around config to limit the text length of an incoming message
1391 if(! function_exists('get_max_import_size')) {
1392 function get_max_import_size() {
1394 return ((x($a->config,'max_import_size')) ? $a->config['max_import_size'] : 0 );
1400 * Wrap calls to proc_close(proc_open()) and call hook
1401 * so plugins can take part in process :)
1404 * $cmd program to run
1405 * next args are passed as $cmd command line
1407 * e.g.: proc_run("ls","-la","/tmp");
1409 * $cmd and string args are surrounded with ""
1412 if(! function_exists('proc_run')) {
1413 function proc_run($cmd){
1417 $args = func_get_args();
1423 // expand any arrays
1425 foreach($args as $arg) {
1426 if(is_array($arg)) {
1427 foreach($arg as $n) {
1437 $arr = array('args' => $args, 'run_cmd' => true);
1439 call_hooks("proc_run", $arr);
1440 if(! $arr['run_cmd'])
1443 if(count($args) && $args[0] === 'php') {
1445 if (get_config("system", "worker")) {
1449 $parameters = json_encode($argv);
1450 $found = q("SELECT `id` FROM `workerqueue` WHERE `parameter` = '%s'",
1451 dbesc($parameters));
1454 q("INSERT INTO `workerqueue` (`parameter`, `created`, `priority`)
1455 VALUES ('%s', '%s', %d)",
1457 dbesc(datetime_convert()),
1460 // Should we quit and wait for the poller to be called as a cronjob?
1461 if (get_config("system", "worker_dont_fork"))
1464 // Checking number of workers
1465 $workers = q("SELECT COUNT(*) AS `workers` FROM `workerqueue` WHERE `executed` != '0000-00-00 00:00:00'");
1467 // Get number of allowed number of worker threads
1468 $queues = intval(get_config("system", "worker_queues"));
1473 // If there are already enough workers running, don't fork another one
1474 if ($workers[0]["workers"] >= $queues)
1477 // Now call the poller to execute the jobs that we just added to the queue
1478 $args = array("php", "include/poller.php", "no_cron");
1481 $args[0] = ((x($a->config,'php_path')) && (strlen($a->config['php_path'])) ? $a->config['php_path'] : 'php');
1484 // add baseurl to args. cli scripts can't construct it
1485 $args[] = $a->get_baseurl();
1487 for($x = 0; $x < count($args); $x ++)
1488 $args[$x] = escapeshellarg($args[$x]);
1490 $cmdline = implode($args," ");
1492 if(get_config('system','proc_windows'))
1493 proc_close(proc_open('cmd /c start /b ' . $cmdline,array(),$foo,dirname(__FILE__)));
1495 proc_close(proc_open($cmdline." &",array(),$foo,dirname(__FILE__)));
1499 if(! function_exists('current_theme')) {
1500 function current_theme(){
1501 $app_base_themes = array('duepuntozero', 'dispy', 'quattro');
1507 // Find the theme that belongs to the user whose stuff we are looking at
1509 if($a->profile_uid && ($a->profile_uid != local_user())) {
1510 $r = q("select theme from user where uid = %d limit 1",
1511 intval($a->profile_uid)
1514 $page_theme = $r[0]['theme'];
1517 // Allow folks to over-rule user themes and always use their own on their own site.
1518 // This works only if the user is on the same server
1520 if($page_theme && local_user() && (local_user() != $a->profile_uid)) {
1521 if(get_pconfig(local_user(),'system','always_my_theme'))
1525 // $mobile_detect = new Mobile_Detect();
1526 // $is_mobile = $mobile_detect->isMobile() || $mobile_detect->isTablet();
1527 $is_mobile = $a->is_mobile || $a->is_tablet;
1529 $standard_system_theme = ((isset($a->config['system']['theme'])) ? $a->config['system']['theme'] : '');
1530 $standard_theme_name = ((isset($_SESSION) && x($_SESSION,'theme')) ? $_SESSION['theme'] : $standard_system_theme);
1533 if(isset($_SESSION['show-mobile']) && !$_SESSION['show-mobile']) {
1534 $system_theme = $standard_system_theme;
1535 $theme_name = $standard_theme_name;
1538 $system_theme = ((isset($a->config['system']['mobile-theme'])) ? $a->config['system']['mobile-theme'] : $standard_system_theme);
1539 $theme_name = ((isset($_SESSION) && x($_SESSION,'mobile-theme')) ? $_SESSION['mobile-theme'] : $system_theme);
1541 if($theme_name === '---') {
1542 // user has selected to have the mobile theme be the same as the normal one
1543 $system_theme = $standard_system_theme;
1544 $theme_name = $standard_theme_name;
1547 $theme_name = $page_theme;
1552 $system_theme = $standard_system_theme;
1553 $theme_name = $standard_theme_name;
1556 $theme_name = $page_theme;
1560 (file_exists('view/theme/' . $theme_name . '/style.css') ||
1561 file_exists('view/theme/' . $theme_name . '/style.php')))
1562 return($theme_name);
1564 foreach($app_base_themes as $t) {
1565 if(file_exists('view/theme/' . $t . '/style.css')||
1566 file_exists('view/theme/' . $t . '/style.php'))
1570 $fallback = array_merge(glob('view/theme/*/style.css'),glob('view/theme/*/style.php'));
1571 if(count($fallback))
1572 return (str_replace('view/theme/','', substr($fallback[0],0,-10)));
1578 * Return full URL to theme which is currently in effect.
1579 * Provide a sane default if nothing is chosen or the specified theme does not exist.
1581 if(! function_exists('current_theme_url')) {
1582 function current_theme_url() {
1585 $t = current_theme();
1587 $opts = (($a->profile_uid) ? '?f=&puid=' . $a->profile_uid : '');
1588 if (file_exists('view/theme/' . $t . '/style.php'))
1589 return($a->get_baseurl() . '/view/theme/' . $t . '/style.pcss' . $opts);
1591 return($a->get_baseurl() . '/view/theme/' . $t . '/style.css');
1595 if(! function_exists('feed_birthday')) {
1596 function feed_birthday($uid,$tz) {
1600 * Determine the next birthday, but only if the birthday is published
1601 * in the default profile. We _could_ also look for a private profile that the
1602 * recipient can see, but somebody could get mad at us if they start getting
1603 * public birthday greetings when they haven't made this info public.
1605 * Assuming we are able to publish this info, we are then going to convert
1606 * the start time from the owner's timezone to UTC.
1608 * This will potentially solve the problem found with some social networks
1609 * where birthdays are converted to the viewer's timezone and salutations from
1610 * elsewhere in the world show up on the wrong day. We will convert it to the
1611 * viewer's timezone also, but first we are going to convert it from the birthday
1612 * person's timezone to GMT - so the viewer may find the birthday starting at
1613 * 6:00PM the day before, but that will correspond to midnight to the birthday person.
1623 $p = q("SELECT `dob` FROM `profile` WHERE `is-default` = 1 AND `uid` = %d LIMIT 1",
1627 if($p && count($p)) {
1628 $tmp_dob = substr($p[0]['dob'],5);
1629 if(intval($tmp_dob)) {
1630 $y = datetime_convert($tz,$tz,'now','Y');
1631 $bd = $y . '-' . $tmp_dob . ' 00:00';
1632 $t_dob = strtotime($bd);
1633 $now = strtotime(datetime_convert($tz,$tz,'now'));
1635 $bd = $y + 1 . '-' . $tmp_dob . ' 00:00';
1636 $birthday = datetime_convert($tz,'UTC',$bd,ATOM_TIME);
1644 if(! function_exists('is_site_admin')) {
1645 function is_site_admin() {
1648 $adminlist = explode(",", str_replace(" ", "", $a->config['admin_email']));
1650 //if(local_user() && x($a->user,'email') && x($a->config,'admin_email') && ($a->user['email'] === $a->config['admin_email']))
1651 if(local_user() && x($a->user,'email') && x($a->config,'admin_email') && in_array($a->user['email'], $adminlist))
1658 if(! function_exists('load_contact_links')) {
1659 function load_contact_links($uid) {
1665 if(! $uid || x($a->contacts,'empty'))
1668 $r = q("SELECT `id`,`network`,`url`,`thumb`, `rel` FROM `contact` WHERE `uid` = %d AND `self` = 0 AND `blocked` = 0 AND `thumb` != ''",
1673 $url = normalise_link($rr['url']);
1677 $ret['empty'] = true;
1679 $a->contacts = $ret;
1685 * returns querystring as string from a mapped array
1687 * @param params Array
1690 function build_querystring($params, $name=null) {
1692 foreach($params as $key=>$val) {
1693 if(is_array($val)) {
1695 $ret .= build_querystring($val, $key);
1697 $ret .= build_querystring($val, $name."[$key]");
1700 $val = urlencode($val);
1702 $ret.=$name."[$key]"."=$val&";
1704 $ret.= "$key=$val&";
1711 function explode_querystring($query) {
1712 $arg_st = strpos($query, '?');
1713 if($arg_st !== false) {
1714 $base = substr($query, 0, $arg_st);
1721 $args = explode('&', substr($query, $arg_st));
1722 foreach($args as $k=>$arg) {
1726 $args = array_values($args);
1731 $args = array_values($args);
1741 * Returns the complete URL of the current page, e.g.: http(s)://something.com/network
1743 * Taken from http://webcheatsheet.com/php/get_current_page_url.php
1745 function curPageURL() {
1747 if ($_SERVER["HTTPS"] == "on") {$pageURL .= "s";}
1749 if ($_SERVER["SERVER_PORT"] != "80" && $_SERVER["SERVER_PORT"] != "443") {
1750 $pageURL .= $_SERVER["SERVER_NAME"].":".$_SERVER["SERVER_PORT"].$_SERVER["REQUEST_URI"];
1752 $pageURL .= $_SERVER["SERVER_NAME"].$_SERVER["REQUEST_URI"];
1757 function random_digits($digits) {
1759 for($i = 0; $i < $digits; $i++) {
1765 function get_server() {
1766 $server = get_config("system", "directory");
1769 $server = "http://dir.friendi.ca";
1774 function get_cachefile($file, $writemode = true) {
1775 $cache = get_itemcachepath();
1777 if ((! $cache) || (! is_dir($cache)))
1780 $subfolder = $cache."/".substr($file, 0, 2);
1782 $cachepath = $subfolder."/".$file;
1785 if (!is_dir($subfolder)) {
1787 chmod($subfolder, 0777);
1794 function clear_cache($basepath = "", $path = "") {
1796 $basepath = get_itemcachepath();
1800 if (($path == "") OR (!is_dir($path)))
1803 if (substr(realpath($path), 0, strlen($basepath)) != $basepath)
1806 $cachetime = (int)get_config('system','itemcache_duration');
1807 if ($cachetime == 0)
1810 if (is_writable($path)){
1811 if ($dh = opendir($path)) {
1812 while (($file = readdir($dh)) !== false) {
1813 $fullpath = $path."/".$file;
1814 if ((filetype($fullpath) == "dir") and ($file != ".") and ($file != ".."))
1815 clear_cache($basepath, $fullpath);
1816 if ((filetype($fullpath) == "file") and (filectime($fullpath) < (time() - $cachetime)))
1824 function get_itemcachepath() {
1825 // Checking, if the cache is deactivated
1826 $cachetime = (int)get_config('system','itemcache_duration');
1830 $itemcache = get_config('system','itemcache');
1831 if (($itemcache != "") AND is_dir($itemcache) AND is_writable($itemcache))
1834 $temppath = get_temppath();
1836 if ($temppath != "") {
1837 $itemcache = $temppath."/itemcache";
1838 if(!file_exists($itemcache) && !is_dir($itemcache)) {
1842 if (is_dir($itemcache) AND is_writable($itemcache)) {
1843 set_config("system", "itemcache", $itemcache);
1850 function get_lockpath() {
1851 $lockpath = get_config('system','lockpath');
1852 if (($lockpath != "") AND is_dir($lockpath) AND is_writable($lockpath))
1855 $temppath = get_temppath();
1857 if ($temppath != "") {
1858 $lockpath = $temppath."/lock";
1860 if (!is_dir($lockpath))
1862 elseif (!is_writable($lockpath))
1863 $lockpath = $temppath;
1865 if (is_dir($lockpath) AND is_writable($lockpath)) {
1866 set_config("system", "lockpath", $lockpath);
1873 function get_temppath() {
1876 $temppath = get_config("system","temppath");
1877 if (($temppath != "") AND is_dir($temppath) AND is_writable($temppath))
1880 $temppath = sys_get_temp_dir();
1881 if (($temppath != "") AND is_dir($temppath) AND is_writable($temppath)) {
1882 $temppath .= "/".$a->get_hostname();
1883 if (!is_dir($temppath))
1886 if (is_dir($temppath) AND is_writable($temppath)) {
1887 set_config("system", "temppath", $temppath);
1895 function set_template_engine(&$a, $engine = 'internal') {
1896 // This function is no longer necessary, but keep it as a wrapper to the class method
1897 // to avoid breaking themes again unnecessarily
1899 $a->set_template_engine($engine);
1902 if(!function_exists('exif_imagetype')) {
1903 function exif_imagetype($file) {
1904 $size = getimagesize($file);
1909 function validate_include(&$file) {
1912 $file = realpath($file);
1914 if (strpos($file, getcwd()) !== 0)
1917 $file = str_replace(getcwd()."/", "", $file, $count);
1921 if ($orig_file !== $file)
1925 if (strpos($file, "include/") === 0)
1928 if (strpos($file, "addon/") === 0)