5 define ( 'FRIENDIKA_VERSION', '2.1.945' );
6 define ( 'DFRN_PROTOCOL_VERSION', '2.21' );
7 define ( 'DB_UPDATE_VERSION', 1048 );
9 define ( 'EOL', "<br />\r\n" );
10 define ( 'ATOM_TIME', 'Y-m-d\TH:i:s\Z' );
11 define ( 'DOWN_ARROW', '⇩' );
15 * SSL redirection policies
18 define ( 'SSL_POLICY_NONE', 0 );
19 define ( 'SSL_POLICY_FULL', 1 );
20 define ( 'SSL_POLICY_SELFSIGN', 2 );
27 define ( 'LOGGER_NORMAL', 0 );
28 define ( 'LOGGER_TRACE', 1 );
29 define ( 'LOGGER_DEBUG', 2 );
30 define ( 'LOGGER_DATA', 3 );
31 define ( 'LOGGER_ALL', 4 );
34 * registration policies
37 define ( 'REGISTER_CLOSED', 0 );
38 define ( 'REGISTER_APPROVE', 1 );
39 define ( 'REGISTER_OPEN', 2 );
43 * When used in contact records, this indicates that 'uid' has
44 * this relationship with contact['name']
47 define ( 'REL_VIP', 1);
48 define ( 'REL_FAN', 2);
49 define ( 'REL_BUD', 3);
55 define ( 'HOOK_HOOK', 0);
56 define ( 'HOOK_FILE', 1);
57 define ( 'HOOK_FUNCTION', 2);
63 * PAGE_NORMAL is a typical personal profile account
64 * PAGE_SOAPBOX automatically approves all friend requests as REL_FAN, (readonly)
65 * PAGE_COMMUNITY automatically approves all friend requests as REL_FAN, but with
66 * write access to wall and comments (no email and not included in page owner's ACL lists)
67 * PAGE_FREELOVE automatically approves all friend requests as full friends (REL_BUD).
71 define ( 'PAGE_NORMAL', 0 );
72 define ( 'PAGE_SOAPBOX', 1 );
73 define ( 'PAGE_COMMUNITY', 2 );
74 define ( 'PAGE_FREELOVE', 3 );
77 * Network and protocol family types
80 define ( 'NETWORK_DFRN', 'dfrn'); // Friendika, Mistpark, other DFRN implementations
81 define ( 'NETWORK_OSTATUS', 'stat'); // status.net, identi.ca, GNU-social, other OStatus implementations
82 define ( 'NETWORK_FEED', 'feed'); // RSS/Atom feeds with no known "post/notify" protocol
83 define ( 'NETWORK_DIASPORA', 'dspr'); // Diaspora
84 define ( 'NETWORK_MAIL', 'mail'); // IMAP/POP
85 define ( 'NETWORK_FACEBOOK', 'face'); // Facebook API
89 * Maximum number of "people who like (or don't like) this" that we will list by name
92 define ( 'MAX_LIKERS', 75);
95 * email notification options
98 define ( 'NOTIFY_INTRO', 0x0001 );
99 define ( 'NOTIFY_CONFIRM', 0x0002 );
100 define ( 'NOTIFY_WALL', 0x0004 );
101 define ( 'NOTIFY_COMMENT', 0x0008 );
102 define ( 'NOTIFY_MAIL', 0x0010 );
105 * various namespaces we may need to parse
108 define ( 'NAMESPACE_DFRN' , 'http://purl.org/macgirvin/dfrn/1.0' );
109 define ( 'NAMESPACE_THREAD' , 'http://purl.org/syndication/thread/1.0' );
110 define ( 'NAMESPACE_TOMB' , 'http://purl.org/atompub/tombstones/1.0' );
111 define ( 'NAMESPACE_ACTIVITY', 'http://activitystrea.ms/spec/1.0/' );
112 define ( 'NAMESPACE_ACTIVITY_SCHEMA', 'http://activitystrea.ms/schema/1.0/' );
113 define ( 'NAMESPACE_MEDIA', 'http://purl.org/syndication/atommedia' );
114 define ( 'NAMESPACE_SALMON_ME', 'http://salmon-protocol.org/ns/magic-env' );
115 define ( 'NAMESPACE_OSTATUSSUB', 'http://ostatus.org/schema/1.0/subscribe' );
116 define ( 'NAMESPACE_GEORSS', 'http://www.georss.org/georss' );
117 define ( 'NAMESPACE_POCO', 'http://portablecontacts.net/spec/1.0' );
118 define ( 'NAMESPACE_FEED', 'http://schemas.google.com/g/2010#updates-from' );
121 * activity stream defines
124 define ( 'ACTIVITY_LIKE', NAMESPACE_ACTIVITY_SCHEMA . 'like' );
125 define ( 'ACTIVITY_DISLIKE', NAMESPACE_DFRN . '/dislike' );
126 define ( 'ACTIVITY_OBJ_HEART', NAMESPACE_DFRN . '/heart' );
128 define ( 'ACTIVITY_FRIEND', NAMESPACE_ACTIVITY_SCHEMA . 'make-friend' );
129 define ( 'ACTIVITY_FOLLOW', NAMESPACE_ACTIVITY_SCHEMA . 'follow' );
130 define ( 'ACTIVITY_UNFOLLOW', NAMESPACE_ACTIVITY_SCHEMA . 'stop-following' );
131 define ( 'ACTIVITY_POST', NAMESPACE_ACTIVITY_SCHEMA . 'post' );
132 define ( 'ACTIVITY_UPDATE', NAMESPACE_ACTIVITY_SCHEMA . 'update' );
133 define ( 'ACTIVITY_TAG', NAMESPACE_ACTIVITY_SCHEMA . 'tag' );
135 define ( 'ACTIVITY_OBJ_COMMENT', NAMESPACE_ACTIVITY_SCHEMA . 'comment' );
136 define ( 'ACTIVITY_OBJ_NOTE', NAMESPACE_ACTIVITY_SCHEMA . 'note' );
137 define ( 'ACTIVITY_OBJ_PERSON', NAMESPACE_ACTIVITY_SCHEMA . 'person' );
138 define ( 'ACTIVITY_OBJ_PHOTO', NAMESPACE_ACTIVITY_SCHEMA . 'photo' );
139 define ( 'ACTIVITY_OBJ_P_PHOTO', NAMESPACE_ACTIVITY_SCHEMA . 'profile-photo' );
140 define ( 'ACTIVITY_OBJ_ALBUM', NAMESPACE_ACTIVITY_SCHEMA . 'photo-album' );
143 * item weight for query ordering
146 define ( 'GRAVITY_PARENT', 0);
147 define ( 'GRAVITY_LIKE', 3);
148 define ( 'GRAVITY_COMMENT', 6);
152 * Reverse the effect of magic_quotes_gpc if it is enabled.
153 * Please disable magic_quotes_gpc so we don't have to do this.
154 * See http://php.net/manual/en/security.magicquotes.disabling.php
158 if (get_magic_quotes_gpc()) {
159 $process = array(&$_GET, &$_POST, &$_COOKIE, &$_REQUEST);
160 while (list($key, $val) = each($process)) {
161 foreach ($val as $k => $v) {
162 unset($process[$key][$k]);
164 $process[$key][stripslashes($k)] = $v;
165 $process[] = &$process[$key][stripslashes($k)];
167 $process[$key][stripslashes($k)] = stripslashes($v);
177 require_once("include/pgettext.php");
184 * Our main application structure for the life of this page
185 * Primarily deals with the URL that got us here
186 * and tries to make some sense of it, and
187 * stores our page contents and config storage
188 * and anything else that might need to be passed around
189 * before we spit the page out.
193 if(! class_exists('App')) {
196 public $module_loaded = false;
197 public $query_string;
206 public $error = false;
216 public $interactive = true;
227 private $curl_headers;
229 function __construct() {
231 $this->config = array();
232 $this->page = array();
233 $this->pager= array();
235 $this->query_string = '';
237 $this->scheme = ((isset($_SERVER['HTTPS']) && ($_SERVER['HTTPS'])) ? 'https' : 'http' );
239 if(x($_SERVER,'SERVER_NAME')) {
240 $this->hostname = $_SERVER['SERVER_NAME'];
243 * Figure out if we are running at the top of a domain
244 * or in a sub-directory and adjust accordingly
247 $path = trim(dirname($_SERVER['SCRIPT_NAME']),'/\\');
248 if(isset($path) && strlen($path) && ($path != $this->path))
252 set_include_path("include/$this->hostname" . PATH_SEPARATOR . 'include' . PATH_SEPARATOR . '.' );
254 if((x($_SERVER,'QUERY_STRING')) && substr($_SERVER['QUERY_STRING'],0,2) === "q=")
255 $this->query_string = substr($_SERVER['QUERY_STRING'],2);
257 $this->cmd = trim($_GET['q'],'/\\');
263 * Break the URL path into C style argc/argv style arguments for our
264 * modules. Given "http://example.com/module/arg1/arg2", $this->argc
265 * will be 3 (integer) and $this->argv will contain:
271 * There will always be one argument. If provided a naked domain
272 * URL, $this->argv[0] is set to "home".
276 $this->argv = explode('/',$this->cmd);
277 $this->argc = count($this->argv);
278 if((array_key_exists('0',$this->argv)) && strlen($this->argv[0])) {
279 $this->module = $this->argv[0];
282 $this->module = 'home';
286 * Special handling for the webfinger/lrdd host XRD file
287 * Just spit out the contents and exit.
290 if($this->cmd === '.well-known/host-meta') {
291 require_once('include/hostxrd.php');
292 hostxrd($this->hostname);
297 * See if there is any page number information, and initialise
301 $this->pager['page'] = ((x($_GET,'page')) ? $_GET['page'] : 1);
302 $this->pager['itemspage'] = 50;
303 $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
304 $this->pager['total'] = 0;
307 function get_baseurl($ssl = false) {
309 $scheme = $this->scheme;
311 if(x($this->config,'ssl_policy')) {
312 if(($ssl) || ($this->config['ssl_policy'] == SSL_POLICY_FULL))
314 if(($this->config['ssl_policy'] == SSL_POLICY_SELFSIGN) && (local_user() || x($_POST,'auth-params')))
318 $this->baseurl = $scheme . "://" . $this->hostname . ((isset($this->path) && strlen($this->path)) ? '/' . $this->path : '' );
319 return $this->baseurl;
322 function set_baseurl($url) {
323 $parsed = @parse_url($url);
325 $this->baseurl = $url;
328 $this->scheme = $parsed['scheme'];
330 $this->hostname = $parsed['host'];
331 if(x($parsed,'port'))
332 $this->hostname .= ':' . $parsed['port'];
333 if(x($parsed,'path'))
334 $this->path = trim($parsed['path'],'\\/');
339 function get_hostname() {
340 return $this->hostname;
343 function set_hostname($h) {
344 $this->hostname = $h;
347 function set_path($p) {
348 $this->path = trim(trim($p),'/');
351 function get_path() {
355 function set_pager_total($n) {
356 $this->pager['total'] = intval($n);
359 function set_pager_itemspage($n) {
360 $this->pager['itemspage'] = intval($n);
361 $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
365 function init_pagehead() {
366 $this->page['title'] = $this->config['sitename'];
367 $tpl = load_view_file('view/head.tpl');
368 $this->page['htmlhead'] = replace_macros($tpl,array(
369 '$baseurl' => $this->get_baseurl() . '/',
370 '$generator' => 'Friendika' . ' ' . FRIENDIKA_VERSION,
371 '$delitem' => t('Delete this item?'),
372 '$comment' => t('Comment')
376 function set_curl_code($code) {
377 $this->curl_code = $code;
380 function get_curl_code() {
381 return $this->curl_code;
384 function set_curl_headers($headers) {
385 $this->curl_headers = $headers;
388 function get_curl_headers() {
389 return $this->curl_headers;
395 // retrieve the App structure
396 // useful in functions which require it but don't get it passed to them
398 if(! function_exists('get_app')) {
405 // Multi-purpose function to check variable state.
406 // Usage: x($var) or $x($array,'key')
407 // returns false if variable/key is not set
408 // if variable is set, returns 1 if has 'non-zero' value, otherwise returns 0.
409 // e.g. x('') or x(0) returns 0;
411 if(! function_exists('x')) {
412 function x($s,$k = NULL) {
414 if((is_array($s)) && (array_key_exists($k,$s))) {
432 // called from db initialisation if db is dead.
434 if(! function_exists('system_unavailable')) {
435 function system_unavailable() {
436 include('system_unavailable.php');
441 // Primarily involved with database upgrade, but also sets the
442 // base url for use in cmdline programs which don't have
443 // $_SERVER variables, and synchronising the state of installed plugins.
446 if(! function_exists('check_config')) {
447 function check_config(&$a) {
450 load_config('system');
452 $build = get_config('system','build');
454 $build = set_config('system','build',DB_UPDATE_VERSION);
456 $url = get_config('system','url');
458 // if the url isn't set or the stored url is radically different
459 // than the currently visited url, store the current value accordingly.
460 // "Radically different" ignores common variations such as http vs https
461 // and www.example.com vs example.com.
463 if((! x($url)) || (! link_compare($url,$a->get_baseurl())))
464 $url = set_config('system','url',$a->get_baseurl());
466 if($build != DB_UPDATE_VERSION) {
467 $stored = intval($build);
468 $current = intval(DB_UPDATE_VERSION);
469 if(($stored < $current) && file_exists('update.php')) {
470 // We're reporting a different version than what is currently installed.
471 // Run any existing update scripts to bring the database up to current.
473 require_once('update.php');
474 for($x = $stored; $x < $current; $x ++) {
475 if(function_exists('update_' . $x)) {
476 $func = 'update_' . $x;
480 set_config('system','build', DB_UPDATE_VERSION);
486 * Synchronise plugins:
488 * $a->config['system']['addon'] contains a comma-separated list of names
489 * of plugins/addons which are used on this system.
490 * Go through the database list of already installed addons, and if we have
491 * an entry, but it isn't in the config list, call the uninstall procedure
492 * and mark it uninstalled in the database (for now we'll remove it).
493 * Then go through the config list and if we have a plugin that isn't installed,
494 * call the install procedure and add it to the database.
498 $r = q("SELECT * FROM `addon` WHERE `installed` = 1");
502 $installed = array();
504 $plugins = get_config('system','addon');
505 $plugins_arr = array();
508 $plugins_arr = explode(',',str_replace(' ', '',$plugins));
510 $a->plugins = $plugins_arr;
512 $installed_arr = array();
514 if(count($installed)) {
515 foreach($installed as $i) {
516 if(! in_array($i['name'],$plugins_arr)) {
517 logger("Addons: uninstalling " . $i['name']);
518 q("DELETE FROM `addon` WHERE `id` = %d LIMIT 1",
522 @include_once('addon/' . $i['name'] . '/' . $i['name'] . '.php');
523 if(function_exists($i['name'] . '_uninstall')) {
524 $func = $i['name'] . '_uninstall';
529 $installed_arr[] = $i['name'];
533 if(count($plugins_arr)) {
534 foreach($plugins_arr as $p) {
535 if(! in_array($p,$installed_arr)) {
536 logger("Addons: installing " . $p);
537 $t = filemtime('addon/' . $p . '/' . $p . '.php');
538 @include_once('addon/' . $p . '/' . $p . '.php');
539 if(function_exists($p . '_install')) {
540 $func = $p . '_install';
542 $r = q("INSERT INTO `addon` (`name`, `installed`, `timestamp`) VALUES ( '%s', 1, %d ) ",
557 // reload all updated plugins
559 if(! function_exists('reload_plugins')) {
560 function reload_plugins() {
561 $plugins = get_config('system','addon');
562 if(strlen($plugins)) {
564 $r = q("SELECT * FROM `addon` WHERE `installed` = 1");
568 $installed = array();
570 $parr = explode(',',$plugins);
572 foreach($parr as $pl) {
575 $t = filemtime('addon/' . $pl . '/' . $pl . '.php');
576 foreach($installed as $i) {
577 if(($i['name'] == $pl) && ($i['timestamp'] != $t)) {
578 logger('Reloading plugin: ' . $i['name']);
579 @include_once('addon/' . $pl . '/' . $pl . '.php');
581 if(function_exists($pl . '_uninstall')) {
582 $func = $pl . '_uninstall';
585 if(function_exists($pl . '_install')) {
586 $func = $pl . '_install';
589 q("UPDATE `addon` SET `timestamp` = %d WHERE `id` = %d LIMIT 1",
602 // This is our template processor.
603 // $s is the string requiring macro substitution.
604 // $r is an array of key value pairs (search => replace)
605 // returns substituted string.
606 // WARNING: this is pretty basic, and doesn't properly handle search strings that are substrings of each other.
607 // For instance if 'test' => "foo" and 'testing' => "bar", testing could become either bar or fooing,
608 // depending on the order in which they were declared in the array.
610 if(! function_exists('replace_macros')) {
611 function replace_macros($s,$r) {
616 if(is_array($r) && count($r)) {
617 foreach ($r as $k => $v ) {
622 return str_replace($search,$replace,$s);
626 // curl wrapper. If binary flag is true, return binary
629 if(! function_exists('fetch_url')) {
630 function fetch_url($url,$binary = false, &$redirects = 0) {
634 $ch = curl_init($url);
635 if(($redirects > 8) || (! $ch))
638 curl_setopt($ch, CURLOPT_HEADER, true);
639 curl_setopt($ch, CURLOPT_RETURNTRANSFER,true);
642 $curl_time = intval(get_config('system','curl_timeout'));
643 curl_setopt($ch, CURLOPT_TIMEOUT, (($curl_time !== false) ? $curl_time : 60));
645 // by default we will allow self-signed certs
646 // but you can override this
648 $check_cert = get_config('system','verifyssl');
649 curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, (($check_cert) ? true : false));
651 $prx = get_config('system','proxy');
653 curl_setopt($ch, CURLOPT_HTTPPROXYTUNNEL, 1);
654 curl_setopt($ch, CURLOPT_PROXY, $prx);
655 $prxusr = get_config('system','proxyuser');
657 curl_setopt($ch, CURLOPT_PROXYUSERPWD, $prxusr);
660 curl_setopt($ch, CURLOPT_BINARYTRANSFER,1);
662 $a->set_curl_code(0);
664 // don't let curl abort the entire application
665 // if it throws any errors.
667 $s = @curl_exec($ch);
669 $http_code = intval(curl_getinfo($ch, CURLINFO_HTTP_CODE));
670 $header = substr($s,0,strpos($s,"\r\n\r\n"));
671 if(stristr($header,'100') && (strlen($header) < 30)) {
672 // 100 Continue has two headers, get the real one
673 $s = substr($s,strlen($header)+4);
674 $header = substr($s,0,strpos($s,"\r\n\r\n"));
676 if($http_code == 301 || $http_code == 302 || $http_code == 303) {
678 preg_match('/(Location:|URI:)(.*?)\n/', $header, $matches);
679 $url = trim(array_pop($matches));
680 $url_parsed = @parse_url($url);
681 if (isset($url_parsed)) {
683 return fetch_url($url,$binary,$redirects);
686 $a->set_curl_code($http_code);
688 $body = substr($s,strlen($header)+4);
690 /* one more try to make sure there are no more headers */
692 if(strpos($body,'HTTP/') === 0) {
693 $header = substr($body,0,strpos($body,"\r\n\r\n"));
694 $body = substr($body,strlen($header)+4);
697 $a->set_curl_headers($header);
703 // post request to $url. $params is an array of post variables.
705 if(! function_exists('post_url')) {
706 function post_url($url,$params, $headers = null, &$redirects = 0) {
708 $ch = curl_init($url);
709 if(($redirects > 8) || (! $ch))
712 curl_setopt($ch, CURLOPT_HEADER, true);
713 curl_setopt($ch, CURLOPT_RETURNTRANSFER,true);
714 curl_setopt($ch, CURLOPT_POST,1);
715 curl_setopt($ch, CURLOPT_POSTFIELDS,$params);
717 $curl_time = intval(get_config('system','curl_timeout'));
718 curl_setopt($ch, CURLOPT_TIMEOUT, (($curl_time !== false) ? $curl_time : 60));
720 if(is_array($headers))
721 curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
723 $check_cert = get_config('system','verifyssl');
724 curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, (($check_cert) ? true : false));
725 $prx = get_config('system','proxy');
727 curl_setopt($ch, CURLOPT_HTTPPROXYTUNNEL, 1);
728 curl_setopt($ch, CURLOPT_PROXY, $prx);
729 $prxusr = get_config('system','proxyuser');
731 curl_setopt($ch, CURLOPT_PROXYUSERPWD, $prxusr);
734 $a->set_curl_code(0);
736 // don't let curl abort the entire application
737 // if it throws any errors.
739 $s = @curl_exec($ch);
741 $http_code = intval(curl_getinfo($ch, CURLINFO_HTTP_CODE));
742 $header = substr($s,0,strpos($s,"\r\n\r\n"));
743 if(stristr($header,'100') && (strlen($header) < 30)) {
744 // 100 Continue has two headers, get the real one
745 $s = substr($s,strlen($header)+4);
746 $header = substr($s,0,strpos($s,"\r\n\r\n"));
748 if($http_code == 301 || $http_code == 302 || $http_code == 303) {
750 preg_match('/(Location:|URI:)(.*?)\n/', $header, $matches);
751 $url = trim(array_pop($matches));
752 $url_parsed = @parse_url($url);
753 if (isset($url_parsed)) {
755 return post_url($url,$binary,$headers,$redirects);
758 $a->set_curl_code($http_code);
759 $body = substr($s,strlen($header)+4);
761 /* one more try to make sure there are no more headers */
763 if(strpos($body,'HTTP/') === 0) {
764 $header = substr($body,0,strpos($body,"\r\n\r\n"));
765 $body = substr($body,strlen($header)+4);
768 $a->set_curl_headers($header);
774 // random hash, 64 chars
776 if(! function_exists('random_string')) {
777 function random_string() {
778 return(hash('sha256',uniqid(rand(),true)));
782 * This is our primary input filter.
784 * The high bit hack only involved some old IE browser, forget which (IE5/Mac?)
785 * that had an XSS attack vector due to stripping the high-bit on an 8-bit character
786 * after cleansing, and angle chars with the high bit set could get through as markup.
788 * This is now disabled because it was interfering with some legitimate unicode sequences
789 * and hopefully there aren't a lot of those browsers left.
791 * Use this on any text input where angle chars are not valid or permitted
792 * They will be replaced with safer brackets. This may be filtered further
793 * if these are not allowed either.
797 if(! function_exists('notags')) {
798 function notags($string) {
800 return(str_replace(array("<",">"), array('[',']'), $string));
802 // High-bit filter no longer used
803 // return(str_replace(array("<",">","\xBA","\xBC","\xBE"), array('[',']','','',''), $string));
806 // use this on "body" or "content" input where angle chars shouldn't be removed,
807 // and allow them to be safely displayed.
809 if(! function_exists('escape_tags')) {
810 function escape_tags($string) {
812 return(htmlspecialchars($string));
815 // wrapper for adding a login box. If $register == true provide a registration
816 // link. This will most always depend on the value of $a->config['register_policy'].
817 // returns the complete html for inserting into the page
819 if(! function_exists('login')) {
820 function login($register = false) {
822 $register_tpl = (($register) ? load_view_file("view/register-link.tpl") : "");
824 $register_html = replace_macros($register_tpl,array(
825 '$title' => t('Create a New Account'),
826 '$desc' => t('Register')
829 $noid = get_config('system','no_openid');
831 $classname = 'no-openid';
832 $namelabel = t('Nickname or Email address: ');
833 $passlabel = t('Password: ');
837 $classname = 'openid';
838 $namelabel = t('Nickname/Email/OpenID: ');
839 $passlabel = t("Password \x28if not OpenID\x29: ");
842 $lostpass = t('Forgot your password?');
843 $lostlink = t('Password Reset');
846 $tpl = load_view_file("view/logout.tpl");
849 $tpl = load_view_file("view/login.tpl");
853 $o = replace_macros($tpl,array(
854 '$logout' => t('Logout'),
855 '$register_html' => $register_html,
856 '$classname' => $classname,
857 '$namelabel' => $namelabel,
858 '$passlabel' => $passlabel,
860 '$lostpass' => $lostpass,
861 '$lostlink' => $lostlink
867 // generate a string that's random, but usually pronounceable.
868 // used to generate initial passwords
870 if(! function_exists('autoname')) {
871 function autoname($len) {
873 $vowels = array('a','a','ai','au','e','e','e','ee','ea','i','ie','o','ou','u');
874 if(mt_rand(0,5) == 4)
892 's','sc','sh','sm','sp','st',
900 $midcons = array('ck','ct','gn','ld','lf','lm','lt','mb','mm', 'mn','mp',
901 'nd','ng','nk','nt','rn','rp','rt');
903 $noend = array('bl', 'br', 'cl','cr','dr','fl','fr','gl','gr',
904 'kh', 'kl','kr','mn','pl','pr','rh','tr','qu','wh');
906 $start = mt_rand(0,2);
914 for ($x = 0; $x < $len; $x ++) {
915 $r = mt_rand(0,count($table) - 1);
918 if($table == $vowels)
919 $table = array_merge($cons,$midcons);
925 $word = substr($word,0,$len);
927 foreach($noend as $noe) {
928 if((strlen($word) > 2) && (substr($word,-2) == $noe)) {
929 $word = substr($word,0,-1);
933 if(substr($word,-1) == 'q')
934 $word = substr($word,0,-1);
938 // Used to end the current process, after saving session state.
940 if(! function_exists('killme')) {
942 session_write_close();
946 // redirect to another URL and terminate this process.
948 if(! function_exists('goaway')) {
949 function goaway($s) {
950 header("Location: $s");
954 // Generic XML return
955 // Outputs a basic dfrn XML status structure to STDOUT, with a <status> variable
956 // of $st and an optional text <message> of $message and terminates the current process.
958 if(! function_exists('xml_status')) {
959 function xml_status($st, $message = '') {
961 $xml_message = ((strlen($message)) ? "\t<message>" . xmlify($message) . "</message>\r\n" : '');
964 logger('xml_status returning non_zero: ' . $st . " message=" . $message);
966 header( "Content-type: text/xml" );
967 echo '<?xml version="1.0" encoding="UTF-8"?>'."\r\n";
968 echo "<result>\r\n\t<status>$st</status>\r\n$xml_message</result>\r\n";
972 // Returns the uid of locally logged in user or false.
974 if(! function_exists('local_user')) {
975 function local_user() {
976 if((x($_SESSION,'authenticated')) && (x($_SESSION,'uid')))
977 return intval($_SESSION['uid']);
981 // Returns contact id of authenticated site visitor or false
983 if(! function_exists('remote_user')) {
984 function remote_user() {
985 if((x($_SESSION,'authenticated')) && (x($_SESSION,'visitor_id')))
986 return intval($_SESSION['visitor_id']);
990 // contents of $s are displayed prominently on the page the next time
991 // a page is loaded. Usually used for errors or alerts.
993 if(! function_exists('notice')) {
994 function notice($s) {
997 $_SESSION['sysmsg'] .= $s;
1000 // wrapper around config to limit the text length of an incoming message
1002 if(! function_exists('get_max_import_size')) {
1003 function get_max_import_size() {
1005 return ((x($a->config,'max_import_size')) ? $a->config['max_import_size'] : 0 );
1009 // escape text ($str) for XML transport
1010 // returns escaped text.
1012 if(! function_exists('xmlify')) {
1013 function xmlify($str) {
1016 for($x = 0; $x < strlen($str); $x ++) {
1027 $buffer .= ''';
1030 $buffer .= '"';
1046 $buffer = trim($buffer);
1051 // pass xml escaped text ($s), returns unescaped text
1053 if(! function_exists('unxmlify')) {
1054 function unxmlify($s) {
1055 $ret = str_replace('&','&', $s);
1056 $ret = str_replace(array('<','>','"','''),array('<','>','"',"'"),$ret);
1060 // convenience wrapper, reverse the operation "bin2hex"
1062 if(! function_exists('hex2bin')) {
1063 function hex2bin($s) {
1064 if(! ctype_xdigit($s)) {
1065 logger('hex2bin: illegal input: ' . print_r(debug_backtrace(), true));
1069 return(pack("H*",$s));
1072 // Automatic pagination.
1073 // To use, get the count of total items.
1074 // Then call $a->set_pager_total($number_items);
1075 // Optionally call $a->set_pager_itemspage($n) to the number of items to display on each page
1076 // Then call paginate($a) after the end of the display loop to insert the pager block on the page
1077 // (assuming there are enough items to paginate).
1078 // When using with SQL, the setting LIMIT %d, %d => $a->pager['start'],$a->pager['itemspage']
1079 // will limit the results to the correct items for the current page.
1080 // The actual page handling is then accomplished at the application layer.
1082 if(! function_exists('paginate')) {
1083 function paginate(&$a) {
1085 $stripped = preg_replace('/(&page=[0-9]*)/','',$a->query_string);
1086 $stripped = str_replace('q=','',$stripped);
1087 $stripped = trim($stripped,'/');
1088 $pagenum = $a->pager['page'];
1089 $url = $a->get_baseurl() . '/' . $stripped;
1092 if($a->pager['total'] > $a->pager['itemspage']) {
1093 $o .= '<div class="pager">';
1094 if($a->pager['page'] != 1)
1095 $o .= '<span class="pager_prev">'."<a href=\"$url".'&page='.($a->pager['page'] - 1).'">' . t('prev') . '</a></span> ';
1097 $o .= "<span class=\"pager_first\"><a href=\"$url"."&page=1\">" . t('first') . "</a></span> ";
1099 $numpages = $a->pager['total'] / $a->pager['itemspage'];
1102 $numstop = $numpages;
1104 if($numpages > 14) {
1105 $numstart = (($pagenum > 7) ? ($pagenum - 7) : 1);
1106 $numstop = (($pagenum > ($numpages - 7)) ? $numpages : ($numstart + 14));
1109 for($i = $numstart; $i <= $numstop; $i++){
1110 if($i == $a->pager['page'])
1111 $o .= '<span class="pager_current">'.(($i < 10) ? ' '.$i : $i);
1113 $o .= "<span class=\"pager_n\"><a href=\"$url"."&page=$i\">".(($i < 10) ? ' '.$i : $i)."</a>";
1117 if(($a->pager['total'] % $a->pager['itemspage']) != 0) {
1118 if($i == $a->pager['page'])
1119 $o .= '<span class="pager_current">'.(($i < 10) ? ' '.$i : $i);
1121 $o .= "<span class=\"pager_n\"><a href=\"$url"."&page=$i\">".(($i < 10) ? ' '.$i : $i)."</a>";
1125 $lastpage = (($numpages > intval($numpages)) ? intval($numpages)+1 : $numpages);
1126 $o .= "<span class=\"pager_last\"><a href=\"$url"."&page=$lastpage\">" . t('last') . "</a></span> ";
1128 if(($a->pager['total'] - ($a->pager['itemspage'] * $a->pager['page'])) > 0)
1129 $o .= '<span class="pager_next">'."<a href=\"$url"."&page=".($a->pager['page'] + 1).'">' . t('next') . '</a></span>';
1130 $o .= '</div>'."\r\n";
1135 // Turn user/group ACLs stored as angle bracketed text into arrays
1137 if(! function_exists('expand_acl')) {
1138 function expand_acl($s) {
1139 // turn string array of angle-bracketed elements into numeric array
1140 // e.g. "<1><2><3>" => array(1,2,3);
1144 $t = str_replace('<','',$s);
1145 $a = explode('>',$t);
1146 foreach($a as $aa) {
1148 $ret[] = intval($aa);
1154 // Used to wrap ACL elements in angle brackets for storage
1156 if(! function_exists('sanitise_acl')) {
1157 function sanitise_acl(&$item) {
1159 $item = '<' . intval(notags(trim($item))) . '>';
1164 // retrieve a "family" of config variables from database to cached storage
1166 if(! function_exists('load_config')) {
1167 function load_config($family) {
1169 $r = q("SELECT * FROM `config` WHERE `cat` = '%s'",
1173 foreach($r as $rr) {
1175 $a->config[$family][$k] = $rr['v'];
1180 // get a particular config variable given the family name
1181 // and key. Returns false if not set.
1182 // $instore is only used by the set_config function
1183 // to determine if the key already exists in the DB
1184 // If a key is found in the DB but doesn't exist in
1185 // local config cache, pull it into the cache so we don't have
1186 // to hit the DB again for this item.
1188 if(! function_exists('get_config')) {
1189 function get_config($family, $key, $instore = false) {
1194 if(isset($a->config[$family][$key])) {
1195 if($a->config[$family][$key] === '!<unset>!') {
1198 return $a->config[$family][$key];
1201 $ret = q("SELECT `v` FROM `config` WHERE `cat` = '%s' AND `k` = '%s' LIMIT 1",
1206 $a->config[$family][$key] = $ret[0]['v'];
1207 return $ret[0]['v'];
1210 $a->config[$family][$key] = '!<unset>!';
1215 // Store a config value ($value) in the category ($family)
1216 // under the key ($key)
1217 // Return the value, or false if the database update failed
1219 if(! function_exists('set_config')) {
1220 function set_config($family,$key,$value) {
1224 if(get_config($family,$key,true) === false) {
1225 $ret = q("INSERT INTO `config` ( `cat`, `k`, `v` ) VALUES ( '%s', '%s', '%s' ) ",
1234 $ret = q("UPDATE `config` SET `v` = '%s' WHERE `cat` = '%s' AND `k` = '%s' LIMIT 1",
1240 $a->config[$family][$key] = $value;
1248 if(! function_exists('load_pconfig')) {
1249 function load_pconfig($uid,$family) {
1251 $r = q("SELECT * FROM `pconfig` WHERE `cat` = '%s' AND `uid` = %d",
1256 foreach($r as $rr) {
1258 $a->config[$uid][$family][$k] = $rr['v'];
1265 if(! function_exists('get_pconfig')) {
1266 function get_pconfig($uid,$family, $key, $instore = false) {
1271 if(isset($a->config[$uid][$family][$key])) {
1272 if($a->config[$uid][$family][$key] === '!<unset>!') {
1275 return $a->config[$uid][$family][$key];
1279 $ret = q("SELECT `v` FROM `pconfig` WHERE `uid` = %d AND `cat` = '%s' AND `k` = '%s' LIMIT 1",
1286 $a->config[$uid][$family][$key] = $ret[0]['v'];
1287 return $ret[0]['v'];
1290 $a->config[$uid][$family][$key] = '!<unset>!';
1295 if(! function_exists('del_config')) {
1296 function del_config($family,$key) {
1299 if(x($a->config[$family],$key))
1300 unset($a->config[$family][$key]);
1301 $ret = q("DELETE FROM `config` WHERE `cat` = '%s' AND `k` = '%s' LIMIT 1",
1310 // Same as above functions except these are for personal config storage and take an
1311 // additional $uid argument.
1313 if(! function_exists('set_pconfig')) {
1314 function set_pconfig($uid,$family,$key,$value) {
1318 if(get_pconfig($uid,$family,$key,true) === false) {
1319 $ret = q("INSERT INTO `pconfig` ( `uid`, `cat`, `k`, `v` ) VALUES ( %d, '%s', '%s', '%s' ) ",
1329 $ret = q("UPDATE `pconfig` SET `v` = '%s' WHERE `uid` = %d AND `cat` = '%s' AND `k` = '%s' LIMIT 1",
1336 $a->config[$uid][$family][$key] = $value;
1343 if(! function_exists('del_pconfig')) {
1344 function del_pconfig($uid,$family,$key) {
1347 if(x($a->config[$uid][$family],$key))
1348 unset($a->config[$uid][$family][$key]);
1349 $ret = q("DELETE FROM `pconfig` WHERE `uid` = %d AND `cat` = '%s' AND `k` = '%s' LIMIT 1",
1358 // convert an XML document to a normalised, case-corrected array
1359 // used by webfinger
1361 if(! function_exists('convert_xml_element_to_array')) {
1362 function convert_xml_element_to_array($xml_element, &$recursion_depth=0) {
1364 // If we're getting too deep, bail out
1365 if ($recursion_depth > 512) {
1369 if (!is_string($xml_element) &&
1370 !is_array($xml_element) &&
1371 (get_class($xml_element) == 'SimpleXMLElement')) {
1372 $xml_element_copy = $xml_element;
1373 $xml_element = get_object_vars($xml_element);
1376 if (is_array($xml_element)) {
1377 $result_array = array();
1378 if (count($xml_element) <= 0) {
1379 return (trim(strval($xml_element_copy)));
1382 foreach($xml_element as $key=>$value) {
1385 $result_array[strtolower($key)] =
1386 convert_xml_element_to_array($value, $recursion_depth);
1389 if ($recursion_depth == 0) {
1390 $temp_array = $result_array;
1391 $result_array = array(
1392 strtolower($xml_element_copy->getName()) => $temp_array,
1396 return ($result_array);
1399 return (trim(strval($xml_element)));
1403 // Given an email style address, perform webfinger lookup and
1404 // return the resulting DFRN profile URL, or if no DFRN profile URL
1405 // is located, returns an OStatus subscription template (prefixed
1406 // with the string 'stat:' to identify it as on OStatus template).
1407 // If this isn't an email style address just return $s.
1408 // Return an empty string if email-style addresses but webfinger fails,
1409 // or if the resultant personal XRD doesn't contain a supported
1410 // subscription/friend-request attribute.
1412 if(! function_exists('webfinger_dfrn')) {
1413 function webfinger_dfrn($s) {
1414 if(! strstr($s,'@')) {
1417 $links = webfinger($s);
1418 logger('webfinger_dfrn: ' . $s . ':' . print_r($links,true), LOGGER_DATA);
1420 foreach($links as $link)
1421 if($link['@attributes']['rel'] === NAMESPACE_DFRN)
1422 return $link['@attributes']['href'];
1423 foreach($links as $link)
1424 if($link['@attributes']['rel'] === NAMESPACE_OSTATUSSUB)
1425 return 'stat:' . $link['@attributes']['template'];
1430 // Given an email style address, perform webfinger lookup and
1431 // return the array of link attributes from the personal XRD file.
1432 // On error/failure return an empty array.
1435 if(! function_exists('webfinger')) {
1436 function webfinger($s) {
1438 if(strstr($s,'@')) {
1439 $host = substr($s,strpos($s,'@') + 1);
1442 $tpl = fetch_lrdd_template($host);
1443 logger('webfinger: lrdd template: ' . $tpl);
1445 $pxrd = str_replace('{uri}', urlencode('acct:' . $s), $tpl);
1446 logger('webfinger: pxrd: ' . $pxrd);
1447 $links = fetch_xrd_links($pxrd);
1448 if(! count($links)) {
1449 // try with double slashes
1450 $pxrd = str_replace('{uri}', urlencode('acct://' . $s), $tpl);
1451 logger('webfinger: pxrd: ' . $pxrd);
1452 $links = fetch_xrd_links($pxrd);
1460 if(! function_exists('lrdd')) {
1461 function lrdd($uri) {
1465 // default priority is host priority, host-meta first
1469 // All we have is an email address. Resource-priority is irrelevant
1470 // because our URI isn't directly resolvable.
1472 if(strstr($uri,'@')) {
1473 return(webfinger($uri));
1476 // get the host meta file
1478 $host = @parse_url($uri);
1481 $url = ((x($host,'scheme')) ? $host['scheme'] : 'http') . '://';
1482 $url .= $host['host'] . '/.well-known/host-meta' ;
1487 logger('lrdd: constructed url: ' . $url);
1489 $xml = fetch_url($url);
1490 $headers = $a->get_curl_headers();
1495 logger('lrdd: host_meta: ' . $xml, LOGGER_DATA);
1497 $h = parse_xml_string($xml);
1499 $arr = convert_xml_element_to_array($h);
1501 if(isset($arr['xrd']['property'])) {
1502 $property = $arr['crd']['property'];
1503 if(! isset($property[0]))
1504 $properties = array($property);
1506 $properties = $property;
1507 foreach($properties as $prop)
1508 if((string) $prop['@attributes'] === 'http://lrdd.net/priority/resource')
1509 $priority = 'resource';
1512 // save the links in case we need them
1516 if(isset($arr['xrd']['link'])) {
1517 $link = $arr['xrd']['link'];
1518 if(! isset($link[0]))
1519 $links = array($link);
1524 // do we have a template or href?
1527 foreach($links as $link) {
1528 if($link['@attributes']['rel'] && attribute_contains($link['@attributes']['rel'],'lrdd')) {
1529 if(x($link['@attributes'],'template'))
1530 $tpl = $link['@attributes']['template'];
1531 elseif(x($link['@attributes'],'href'))
1532 $href = $link['@attributes']['href'];
1537 if((! isset($tpl)) || (! strpos($tpl,'{uri}')))
1540 if($priority === 'host') {
1542 $pxrd = str_replace('{uri}', urlencode($uri), $tpl);
1543 elseif(isset($href))
1546 logger('lrdd: (host priority) pxrd: ' . $pxrd);
1547 $links = fetch_xrd_links($pxrd);
1551 $lines = explode("\n",$headers);
1553 foreach($lines as $line) {
1554 if((stristr($line,'link:')) && preg_match('/<([^>].*)>.*rel\=[\'\"]lrdd[\'\"]/',$line,$matches)) {
1555 return(fetch_xrd_links($matches[1]));
1563 // priority 'resource'
1566 $html = fetch_url($uri);
1567 $headers = $a->get_curl_headers();
1568 logger('lrdd: headers=' . $headers, LOGGER_DEBUG);
1570 // don't try and parse raw xml as html
1571 if(! strstr($html,'<?xml')) {
1572 require_once('library/HTML5/Parser.php');
1573 $dom = @HTML5_Parser::parse($html);
1576 $items = $dom->getElementsByTagName('link');
1577 foreach($items as $item) {
1578 $x = $item->getAttribute('rel');
1580 $pagelink = $item->getAttribute('href');
1587 if(isset($pagelink))
1588 return(fetch_xrd_links($pagelink));
1590 // next look in HTTP headers
1592 $lines = explode("\n",$headers);
1594 foreach($lines as $line) {
1595 // TODO alter the following regex to support multiple relations (space separated)
1596 if((stristr($line,'link:')) && preg_match('/<([^>].*)>.*rel\=[\'\"]lrdd[\'\"]/',$line,$matches)) {
1597 $pagelink = $matches[1];
1600 // don't try and run feeds through the html5 parser
1601 if(stristr($line,'content-type:') && ((stristr($line,'application/atom+xml')) || (stristr($line,'application/rss+xml'))))
1603 if(stristr($html,'<rss') || stristr($html,'<feed'))
1608 if(isset($pagelink))
1609 return(fetch_xrd_links($pagelink));
1611 // If we haven't found any links, return the host xrd links (which we have already fetched)
1622 // Given a host name, locate the LRDD template from that
1623 // host. Returns the LRDD template or an empty string on
1626 if(! function_exists('fetch_lrdd_template')) {
1627 function fetch_lrdd_template($host) {
1630 $url1 = 'https://' . $host . '/.well-known/host-meta' ;
1631 $url2 = 'http://' . $host . '/.well-known/host-meta' ;
1632 $links = fetch_xrd_links($url1);
1633 logger('template (https): ' . print_r($links,true));
1634 if(! count($links)) {
1635 $links = fetch_xrd_links($url2);
1636 logger('template (http): ' . print_r($links,true));
1639 foreach($links as $link)
1640 if($link['@attributes']['rel'] && $link['@attributes']['rel'] === 'lrdd')
1641 $tpl = $link['@attributes']['template'];
1643 if(! strpos($tpl,'{uri}'))
1648 // Given a URL, retrieve the page as an XRD document.
1649 // Return an array of links.
1650 // on error/failure return empty array.
1652 if(! function_exists('fetch_xrd_links')) {
1653 function fetch_xrd_links($url) {
1656 $xml = fetch_url($url);
1660 logger('fetch_xrd_links: ' . $xml, LOGGER_DATA);
1661 $h = parse_xml_string($xml);
1662 $arr = convert_xml_element_to_array($h);
1666 if(isset($arr['xrd']['link'])) {
1667 $link = $arr['xrd']['link'];
1668 if(! isset($link[0]))
1669 $links = array($link);
1673 if(isset($arr['xrd']['alias'])) {
1674 $alias = $arr['xrd']['alias'];
1675 if(! isset($alias[0]))
1676 $aliases = array($alias);
1679 foreach($aliases as $alias) {
1680 $links[]['@attributes'] = array('rel' => 'alias' , 'href' => $alias);
1684 logger('fetch_xrd_links: ' . print_r($links,true), LOGGER_DATA);
1690 // Convert an ACL array to a storable string
1692 if(! function_exists('perms2str')) {
1693 function perms2str($p) {
1696 if(is_array($tmp)) {
1697 array_walk($tmp,'sanitise_acl');
1698 $ret = implode('',$tmp);
1703 // generate a guaranteed unique (for this domain) item ID for ATOM
1704 // safe from birthday paradox
1706 if(! function_exists('item_new_uri')) {
1707 function item_new_uri($hostname,$uid) {
1711 $hash = random_string();
1713 $uri = "urn:X-dfrn:" . $hostname . ':' . $uid . ':' . $hash;
1715 $r = q("SELECT `id` FROM `item` WHERE `uri` = '%s' LIMIT 1",
1719 } while($dups == true);
1723 // Generate a guaranteed unique photo ID.
1724 // safe from birthday paradox
1726 if(! function_exists('photo_new_resource')) {
1727 function photo_new_resource() {
1731 $resource = hash('md5',uniqid(mt_rand(),true));
1732 $r = q("SELECT `id` FROM `photo` WHERE `resource-id` = '%s' LIMIT 1",
1737 } while($found == true);
1742 // Take a URL from the wild, prepend http:// if necessary
1743 // and check DNS to see if it's real
1744 // return true if it's OK, false if something is wrong with it
1746 if(! function_exists('validate_url')) {
1747 function validate_url(&$url) {
1748 if(substr($url,0,4) != 'http')
1749 $url = 'http://' . $url;
1750 $h = @parse_url($url);
1752 if(($h) && (dns_get_record($h['host'], DNS_A + DNS_CNAME + DNS_PTR))) {
1758 // checks that email is an actual resolvable internet address
1760 if(! function_exists('validate_email')) {
1761 function validate_email($addr) {
1763 if(! strpos($addr,'@'))
1765 $h = substr($addr,strpos($addr,'@') + 1);
1767 if(($h) && (dns_get_record($h, DNS_A + DNS_CNAME + DNS_PTR + DNS_MX))) {
1773 // Check $url against our list of allowed sites,
1774 // wildcards allowed. If allowed_sites is unset return true;
1775 // If url is allowed, return true.
1776 // otherwise, return false
1778 if(! function_exists('allowed_url')) {
1779 function allowed_url($url) {
1781 $h = @parse_url($url);
1787 $str_allowed = get_config('system','allowed_sites');
1793 $host = strtolower($h['host']);
1795 // always allow our own site
1797 if($host == strtolower($_SERVER['SERVER_NAME']))
1800 $fnmatch = function_exists('fnmatch');
1801 $allowed = explode(',',$str_allowed);
1803 if(count($allowed)) {
1804 foreach($allowed as $a) {
1805 $pat = strtolower(trim($a));
1806 if(($fnmatch && fnmatch($pat,$host)) || ($pat == $host)) {
1815 // check if email address is allowed to register here.
1816 // Compare against our list (wildcards allowed).
1817 // Returns false if not allowed, true if allowed or if
1818 // allowed list is not configured.
1820 if(! function_exists('allowed_email')) {
1821 function allowed_email($email) {
1824 $domain = strtolower(substr($email,strpos($email,'@') + 1));
1828 $str_allowed = get_config('system','allowed_email');
1834 $fnmatch = function_exists('fnmatch');
1835 $allowed = explode(',',$str_allowed);
1837 if(count($allowed)) {
1838 foreach($allowed as $a) {
1839 $pat = strtolower(trim($a));
1840 if(($fnmatch && fnmatch($pat,$domain)) || ($pat == $domain)) {
1849 // Format the like/dislike text for a profile item
1850 // $cnt = number of people who like/dislike the item
1851 // $arr = array of pre-linked names of likers/dislikers
1852 // $type = one of 'like, 'dislike'
1854 // returns formatted text
1856 if(! function_exists('format_like')) {
1857 function format_like($cnt,$arr,$type,$id) {
1860 $o .= (($type === 'like') ? sprintf( t('%s likes this.'), $arr[0]) : sprintf( t('%s doesn\'t like this.'), $arr[0])) . EOL ;
1862 $spanatts = 'class="fakelink" onclick="openClose(\'' . $type . 'list-' . $id . '\');"';
1863 $o .= (($type === 'like') ?
1864 sprintf( t('<span %1$s>%2$d people</span> like this.'), $spanatts, $cnt)
1866 sprintf( t('<span %1$s>%2$d people</span> don\'t like this.'), $spanatts, $cnt) );
1868 $total = count($arr);
1869 if($total >= MAX_LIKERS)
1870 $arr = array_slice($arr, 0, MAX_LIKERS - 1);
1871 if($total < MAX_LIKERS)
1872 $arr[count($arr)-1] = t('and') . ' ' . $arr[count($arr)-1];
1873 $str = implode(', ', $arr);
1874 if($total >= MAX_LIKERS)
1875 $str .= sprintf( t(', and %d other people'), $total - MAX_LIKERS );
1876 $str = (($type === 'like') ? sprintf( t('%s like this.'), $str) : sprintf( t('%s don\'t like this.'), $str));
1877 $o .= "\t" . '<div id="' . $type . 'list-' . $id . '" style="display: none;" >' . $str . '</div>';
1883 // wrapper to load a view template, checking for alternate
1884 // languages before falling back to the default
1886 if(! function_exists('load_view_file')) {
1887 function load_view_file($s) {
1893 if(file_exists("$d/$lang/$b"))
1894 return file_get_contents("$d/$lang/$b");
1895 return file_get_contents($s);
1898 // for html,xml parsing - let's say you've got
1899 // an attribute foobar="class1 class2 class3"
1900 // and you want to find out if it contains 'class3'.
1901 // you can't use a normal sub string search because you
1902 // might match 'notclass3' and a regex to do the job is
1903 // possible but a bit complicated.
1904 // pass the attribute string as $attr and the attribute you
1905 // are looking for as $s - returns true if found, otherwise false
1907 if(! function_exists('attribute_contains')) {
1908 function attribute_contains($attr,$s) {
1909 $a = explode(' ', $attr);
1910 if(count($a) && in_array($s,$a))
1915 if(! function_exists('logger')) {
1916 function logger($msg,$level = 0) {
1917 $debugging = get_config('system','debugging');
1918 $loglevel = intval(get_config('system','loglevel'));
1919 $logfile = get_config('system','logfile');
1921 if((! $debugging) || (! $logfile) || ($level > $loglevel))
1924 @file_put_contents($logfile, datetime_convert() . ':' . session_id() . ' ' . $msg . "\n", FILE_APPEND);
1929 if(! function_exists('activity_match')) {
1930 function activity_match($haystack,$needle) {
1931 if(($haystack === $needle) || ((basename($needle) === $haystack) && strstr($needle,NAMESPACE_ACTIVITY_SCHEMA)))
1937 // Pull out all #hashtags and @person tags from $s;
1938 // We also get @person@domain.com - which would make
1939 // the regex quite complicated as tags can also
1940 // end a sentence. So we'll run through our results
1941 // and strip the period from any tags which end with one.
1942 // Returns array of tags found, or empty array.
1945 if(! function_exists('get_tags')) {
1946 function get_tags($s) {
1949 // ignore anything in a code block
1951 $s = preg_replace('/\[code\](.*?)\[\/code\]/sm','',$s);
1953 if(preg_match_all('/([@#][^ \x0D\x0A,:?]+)([ \x0D\x0A,:?]|$)/',$s,$match)) {
1954 foreach($match[1] as $match) {
1955 if(strstr($match,"]")) {
1956 // we might be inside a bbcode color tag - leave it alone
1959 if(substr($match,-1,1) === '.')
1960 $ret[] = substr($match,0,-1);
1970 // quick and dirty quoted_printable encoding
1972 if(! function_exists('qp')) {
1974 return str_replace ("%","=",rawurlencode($s));
1978 if(! function_exists('like_puller')) {
1979 function like_puller($a,$item,&$arr,$mode) {
1983 $verb = (($mode === 'like') ? ACTIVITY_LIKE : ACTIVITY_DISLIKE);
1985 if((activity_match($item['verb'],$verb)) && ($item['id'] != $item['parent'])) {
1986 $url = $item['author-link'];
1987 if((local_user()) && (local_user() == $item['uid']) && ($item['network'] === 'dfrn') && (! $item['self']) && (link_compare($item['author-link'],$item['url']))) {
1988 $url = $a->get_baseurl() . '/redir/' . $item['contact-id'];
1989 $sparkle = ' class="sparkle" ';
1991 if(! ((isset($arr[$item['parent'] . '-l'])) && (is_array($arr[$item['parent'] . '-l']))))
1992 $arr[$item['parent'] . '-l'] = array();
1993 if(! isset($arr[$item['parent']]))
1994 $arr[$item['parent']] = 1;
1996 $arr[$item['parent']] ++;
1997 $arr[$item['parent'] . '-l'][] = '<a href="'. $url . '"'. $sparkle .'>' . $item['author-name'] . '</a>';
2002 if(! function_exists('get_mentions')) {
2003 function get_mentions($item) {
2005 if(! strlen($item['tag']))
2008 $arr = explode(',',$item['tag']);
2009 foreach($arr as $x) {
2011 if(preg_match('/@\[url=([^\]]*)\]/',$x,$matches)) {
2012 $o .= "\t\t" . '<link rel="mentioned" href="' . $matches[1] . '" />' . "\r\n";
2013 $o .= "\t\t" . '<link rel="ostatus:attention" href="' . $matches[1] . '" />' . "\r\n";
2019 if(! function_exists('contact_block')) {
2020 function contact_block() {
2024 $shown = get_pconfig($a->profile['uid'],'system','display_friend_count');
2028 if((! is_array($a->profile)) || ($a->profile['hide-friends']))
2030 $r = q("SELECT COUNT(*) AS `total` FROM `contact` WHERE `uid` = %d AND `self` = 0 AND `blocked` = 0 and `pending` = 0",
2031 intval($a->profile['uid'])
2034 $total = intval($r[0]['total']);
2037 $o .= '<h4 class="contact-h4">' . t('No contacts') . '</h4>';
2040 $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 0 AND `blocked` = 0 and `pending` = 0 ORDER BY RAND() LIMIT %d",
2041 intval($a->profile['uid']),
2045 $o .= '<h4 class="contact-h4">' . sprintf( tt('%d Contact','%d Contacts', $total),$total) . '</h4><div id="contact-block">';
2046 foreach($r as $rr) {
2047 $redirect_url = $a->get_baseurl() . '/redir/' . $rr['id'];
2048 if(local_user() && ($rr['uid'] == local_user())
2049 && ($rr['network'] === 'dfrn')) {
2050 $url = $redirect_url;
2051 $sparkle = ' sparkle';
2058 $o .= '<div class="contact-block-div"><a class="contact-block-link' . $sparkle . '" href="' . $url . '" ><img class="contact-block-img' . $sparkle . '" src="' . $rr['micro'] . '" title="' . $rr['name'] . ' [' . $rr['url'] . ']" alt="' . $rr['name'] . '" /></a></div>' . "\r\n";
2060 $o .= '</div><div id="contact-block-end"></div>';
2061 $o .= '<div id="viewcontacts"><a id="viewcontacts-link" href="viewcontacts/' . $a->profile['nickname'] . '">' . t('View Contacts') . '</a></div>';
2065 $arr = array('contacts' => $r, 'output' => $o);
2067 call_hooks('contact_block_end', $arr);
2072 if(! function_exists('search')) {
2073 function search($s) {
2075 $o = '<div id="search-box">';
2076 $o .= '<form action="' . $a->get_baseurl() . '/search' . '" method="get" >';
2077 $o .= '<input type="text" name="search" id="search-text" value="' . $s .'" />';
2078 $o .= '<input type="submit" name="submit" id="search-submit" value="' . t('Search') . '" />';
2079 $o .= '</form></div>';
2083 if(! function_exists('valid_email')) {
2084 function valid_email($x){
2085 if(preg_match('/^[_a-zA-Z0-9-]+(\.[_a-zA-Z0-9-]+)*@[a-zA-Z0-9-]+(\.[a-zA-Z0-9-]+)+$/',$x))
2091 if(! function_exists('gravatar_img')) {
2092 function gravatar_img($email) {
2094 $opt = 'identicon'; // psuedo-random geometric pattern if not found
2096 $hash = md5(trim(strtolower($email)));
2098 $url = 'http://www.gravatar.com/avatar/' . $hash . '.jpg'
2099 . '?s=' . $size . '&d=' . $opt . '&r=' . $rating;
2101 logger('gravatar: ' . $email . ' ' . $url);
2105 if(! function_exists('aes_decrypt')) {
2106 function aes_decrypt($val,$ky)
2108 $key="\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
2109 for($a=0;$a<strlen($ky);$a++)
2110 $key[$a%16]=chr(ord($key[$a%16]) ^ ord($ky[$a]));
2111 $mode = MCRYPT_MODE_ECB;
2112 $enc = MCRYPT_RIJNDAEL_128;
2113 $dec = @mcrypt_decrypt($enc, $key, $val, $mode, @mcrypt_create_iv( @mcrypt_get_iv_size($enc, $mode), MCRYPT_DEV_URANDOM ) );
2114 return rtrim($dec,(( ord(substr($dec,strlen($dec)-1,1))>=0 and ord(substr($dec, strlen($dec)-1,1))<=16)? chr(ord( substr($dec,strlen($dec)-1,1))):null));
2118 if(! function_exists('aes_encrypt')) {
2119 function aes_encrypt($val,$ky)
2121 $key="\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
2122 for($a=0;$a<strlen($ky);$a++)
2123 $key[$a%16]=chr(ord($key[$a%16]) ^ ord($ky[$a]));
2124 $mode=MCRYPT_MODE_ECB;
2125 $enc=MCRYPT_RIJNDAEL_128;
2126 $val=str_pad($val, (16*(floor(strlen($val) / 16)+(strlen($val) % 16==0?2:1))), chr(16-(strlen($val) % 16)));
2127 return mcrypt_encrypt($enc, $key, $val, $mode, mcrypt_create_iv( mcrypt_get_iv_size($enc, $mode), MCRYPT_DEV_URANDOM));
2135 * Replace naked text hyperlink with HTML formatted hyperlink
2139 if(! function_exists('linkify')) {
2140 function linkify($s) {
2141 $s = preg_replace("/(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\.\=\_\~\#\'\%\$\!\+]*)/", ' <a href="$1" target="external-link">$1</a>', $s);
2151 * Replaces text emoticons with graphical images
2153 * @Parameter: string $s
2158 if(! function_exists('smilies')) {
2159 function smilies($s) {
2163 array( '<3', '</3', '<\\3', ':-)', ';-)', ':-(', ':(', ':-P', ':-"', ':-x', ':-X', ':-D', '8-|', '8-O'),
2165 '<img src="' . $a->get_baseurl() . '/images/smiley-heart.gif" alt="<3" />',
2166 '<img src="' . $a->get_baseurl() . '/images/smiley-brokenheart.gif" alt="</3" />',
2167 '<img src="' . $a->get_baseurl() . '/images/smiley-brokenheart.gif" alt="<\\3" />',
2168 '<img src="' . $a->get_baseurl() . '/images/smiley-smile.gif" alt=":-)" />',
2169 '<img src="' . $a->get_baseurl() . '/images/smiley-wink.gif" alt=";-)" />',
2170 '<img src="' . $a->get_baseurl() . '/images/smiley-frown.gif" alt=":-(" />',
2171 '<img src="' . $a->get_baseurl() . '/images/smiley-frown.gif" alt=":(" />',
2172 '<img src="' . $a->get_baseurl() . '/images/smiley-tongue-out.gif" alt=":-P" />',
2173 '<img src="' . $a->get_baseurl() . '/images/smiley-kiss.gif" alt=":-\"" />',
2174 '<img src="' . $a->get_baseurl() . '/images/smiley-kiss.gif" alt=":-x" />',
2175 '<img src="' . $a->get_baseurl() . '/images/smiley-kiss.gif" alt=":-X" />',
2176 '<img src="' . $a->get_baseurl() . '/images/smiley-laughing.gif" alt=":-D" />',
2177 '<img src="' . $a->get_baseurl() . '/images/smiley-surprised.gif" alt="8-|" />',
2178 '<img src="' . $a->get_baseurl() . '/images/smiley-surprised.gif" alt="8-O" />'
2185 * Function : profile_load
2187 * @parameter string $nickname
2188 * @parameter int $profile
2190 * Summary: Loads a profile into the page sidebar.
2191 * The function requires a writeable copy of the main App structure, and the nickname
2192 * of a registered local account.
2194 * If the viewer is an authenticated remote viewer, the profile displayed is the
2195 * one that has been configured for his/her viewing in the Contact manager.
2196 * Passing a non-zero profile ID can also allow a preview of a selected profile
2199 * Profile information is placed in the App structure for later retrieval.
2200 * Honours the owner's chosen theme for display.
2204 if(! function_exists('profile_load')) {
2205 function profile_load(&$a, $nickname, $profile = 0) {
2207 $r = q("SELECT `profile-id` FROM `contact` WHERE `id` = %d LIMIT 1",
2208 intval($_SESSION['visitor_id']));
2210 $profile = $r[0]['profile-id'];
2216 $profile_int = intval($profile);
2217 $r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `user`.* FROM `profile`
2218 LEFT JOIN `user` ON `profile`.`uid` = `user`.`uid`
2219 WHERE `user`.`nickname` = '%s' AND `profile`.`id` = %d LIMIT 1",
2221 intval($profile_int)
2225 $r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `user`.* FROM `profile`
2226 LEFT JOIN `user` ON `profile`.`uid` = `user`.`uid`
2227 WHERE `user`.`nickname` = '%s' AND `profile`.`is-default` = 1 LIMIT 1",
2232 if(($r === false) || (! count($r))) {
2233 notice( t('No profile') . EOL );
2238 $a->profile = $r[0];
2241 $a->page['title'] = $a->profile['name'] . " @ " . $a->config['sitename'];
2242 $_SESSION['theme'] = $a->profile['theme'];
2244 if(! (x($a->page,'aside')))
2245 $a->page['aside'] = '';
2247 $a->page['aside'] .= profile_sidebar($a->profile);
2248 $a->page['aside'] .= contact_block();
2256 * Function: profile_sidebar
2258 * Formats a profile for display in the sidebar.
2259 * It is very difficult to templatise the HTML completely
2260 * because of all the conditional logic.
2262 * @parameter: array $profile
2264 * Returns HTML string stuitable for sidebar inclusion
2265 * Exceptions: Returns empty string if passed $profile is wrong type or not populated
2270 if(! function_exists('profile_sidebar')) {
2271 function profile_sidebar($profile) {
2277 if((! is_array($profile)) && (! count($profile)))
2280 call_hooks('profile_sidebar_enter', $profile);
2282 $fullname = '<div class="fn">' . $profile['name'] . '</div>';
2284 $pdesc = '<div class="title">' . $profile['pdesc'] . '</div>';
2288 $photo = '<div id="profile-photo-wrapper"><img class="photo" src="' . $profile['photo'] . '" alt="' . $profile['name'] . '" /></div>';
2290 $connect = (($profile['uid'] != local_user()) ? '<li><a id="dfrn-request-link" href="dfrn_request/' . $profile['nickname'] . '">' . t('Connect') . '</a></li>' : '');
2292 if((x($profile,'address') == 1)
2293 || (x($profile,'locality') == 1)
2294 || (x($profile,'region') == 1)
2295 || (x($profile,'postal-code') == 1)
2296 || (x($profile,'country-name') == 1))
2300 $location .= '<div class="location"><span class="location-label">' . t('Location:') . '</span> <div class="adr">';
2301 $location .= ((x($profile,'address') == 1) ? '<div class="street-address">' . $profile['address'] . '</div>' : '');
2302 $location .= (((x($profile,'locality') == 1) || (x($profile,'region') == 1) || (x($profile,'postal-code') == 1))
2303 ? '<span class="city-state-zip"><span class="locality">' . $profile['locality'] . '</span>'
2304 . ((x($profile['locality']) == 1) ? t(', ') : '')
2305 . '<span class="region">' . $profile['region'] . '</span>'
2306 . ' <span class="postal-code">' . $profile['postal-code'] . '</span></span>' : '');
2307 $location .= ((x($profile,'country-name') == 1) ? ' <span class="country-name">' . $profile['country-name'] . '</span>' : '');
2308 $location .= '</div></div><div class="profile-clear"></div>';
2312 $gender = ((x($profile,'gender') == 1) ? '<div class="mf"><span class="gender-label">' . t('Gender:') . '</span> <span class="x-gender">' . $profile['gender'] . '</span></div><div class="profile-clear"></div>' : '');
2314 $pubkey = ((x($profile,'pubkey') == 1) ? '<div class="key" style="display:none;">' . $profile['pubkey'] . '</div>' : '');
2316 $marital = ((x($profile,'marital') == 1) ? '<div class="marital"><span class="marital-label"><span class="heart">♥</span> ' . t('Status:') . ' </span><span class="marital-text">' . $profile['marital'] . '</span></div><div class="profile-clear"></div>' : '');
2318 $homepage = ((x($profile,'homepage') == 1) ? '<div class="homepage"><span class="homepage-label">' . t('Homepage:') . ' </span><span class="homepage-url">' . linkify($profile['homepage']) . '</span></div><div class="profile-clear"></div>' : '');
2320 $tpl = load_view_file('view/profile_vcard.tpl');
2322 $o .= replace_macros($tpl, array(
2323 '$fullname' => $fullname,
2327 '$connect' => $connect,
2328 '$location' => $location,
2329 '$gender' => $gender,
2330 '$pubkey' => $pubkey,
2331 '$marital' => $marital,
2332 '$homepage' => $homepage
2336 $arr = array('profile' => $profile, 'entry' => $o);
2338 call_hooks('profile_sidebar', $arr);
2344 if(! function_exists('register_hook')) {
2345 function register_hook($hook,$file,$function) {
2347 $r = q("SELECT * FROM `hook` WHERE `hook` = '%s' AND `file` = '%s' AND `function` = '%s' LIMIT 1",
2355 $r = q("INSERT INTO `hook` (`hook`, `file`, `function`) VALUES ( '%s', '%s', '%s' ) ",
2363 if(! function_exists('unregister_hook')) {
2364 function unregister_hook($hook,$file,$function) {
2366 $r = q("DELETE FROM `hook` WHERE `hook` = '%s' AND `file` = '%s' AND `function` = '%s' LIMIT 1",
2375 if(! function_exists('load_hooks')) {
2376 function load_hooks() {
2378 $a->hooks = array();
2379 $r = q("SELECT * FROM `hook` WHERE 1");
2381 foreach($r as $rr) {
2382 $a->hooks[] = array($rr['hook'], $rr['file'], $rr['function']);
2388 if(! function_exists('call_hooks')) {
2389 function call_hooks($name, &$data = null) {
2392 if(count($a->hooks)) {
2393 foreach($a->hooks as $hook) {
2394 if($hook[HOOK_HOOK] === $name) {
2395 @include_once($hook[HOOK_FILE]);
2396 if(function_exists($hook[HOOK_FUNCTION])) {
2397 $func = $hook[HOOK_FUNCTION];
2406 if(! function_exists('day_translate')) {
2407 function day_translate($s) {
2408 $ret = str_replace(array('Monday','Tuesday','Wednesday','Thursday','Friday','Saturday','Sunday'),
2409 array( t('Monday'), t('Tuesday'), t('Wednesday'), t('Thursday'), t('Friday'), t('Saturday'), t('Sunday')),
2412 $ret = str_replace(array('January','February','March','April','May','June','July','August','September','October','November','December'),
2413 array( t('January'), t('February'), t('March'), t('April'), t('May'), t('June'), t('July'), t('August'), t('September'), t('October'), t('November'), t('December')),
2419 if(! function_exists('get_birthdays')) {
2420 function get_birthdays() {
2428 $bd_format = t('g A l F d') ; // 8 AM Friday January 18
2430 $r = q("SELECT `event`.*, `event`.`id` AS `eid`, `contact`.* FROM `event`
2431 LEFT JOIN `contact` ON `contact`.`id` = `event`.`cid`
2432 WHERE `event`.`uid` = %d AND `type` = 'birthday' AND `start` < '%s' AND `finish` > '%s'
2433 ORDER BY `start` DESC ",
2434 intval(local_user()),
2435 dbesc(datetime_convert('UTC','UTC','now + 6 days')),
2436 dbesc(datetime_convert('UTC','UTC','now'))
2439 if($r && count($r)) {
2442 if(strlen($rr['name']))
2445 $o .= '<div id="birthday-notice" class="birthday-notice fakelink" onclick=openClose(\'birthday-wrapper\'); >' . t('Birthday Reminders') . ' ' . '(' . $total . ')' . '</div>';
2446 $o .= '<div id="birthday-wrapper" style="display: none;" ><div id="birthday-title">' . t('Birthdays this week:') . '</div>';
2447 $o .= '<div id="birthday-adjust">' . t("\x28Adjusted for local time\x29") . '</div>';
2448 $o .= '<div id="birthday-title-end"></div>';
2450 foreach($r as $rr) {
2451 if(! strlen($rr['name']))
2453 $now = strtotime('now');
2454 $today = (((strtotime($rr['start'] . ' +00:00') < $now) && (strtotime($rr['finish'] . ' +00:00') > $now)) ? true : false);
2456 $o .= '<div class="birthday-list" id="birthday-' . $rr['eid'] . '"><a class="sparkle" href="'
2457 . $a->get_baseurl() . '/redir/' . $rr['cid'] . '">' . $rr['name'] . '</a> '
2458 . day_translate(datetime_convert('UTC', $a->timezone, $rr['start'], $bd_format)) . (($today) ? ' ' . t('[today]') : '')
2462 $o .= '</div></div>';
2471 * Compare two URLs to see if they are the same, but ignore
2472 * slight but hopefully insignificant differences such as if one
2473 * is https and the other isn't, or if one is www.something and
2474 * the other isn't - and also ignore case differences.
2476 * Return true if the URLs match, otherwise false.
2480 if(! function_exists('link_compare')) {
2481 function link_compare($a,$b) {
2482 $a1 = str_replace(array('https:','//www.'), array('http:','//'), $a);
2483 $b1 = str_replace(array('https:','//www.'), array('http:','//'), $b);
2484 if(strcasecmp($a1,$b1) === 0)
2490 if(! function_exists('prepare_body')) {
2491 function prepare_body($item) {
2492 return prepare_text($item['body']);
2495 if(! function_exists('prepare_text')) {
2496 function prepare_text($text) {
2498 require_once('include/bbcode.php');
2500 $s = smilies(bbcode($text));
2507 * Wrap calls to proc_close(proc_open()) and call hook
2508 * so plugins can take part in process :)
2511 * $cmd program to run
2512 * next args are passed as $cmd command line
2514 * e.g.: proc_run("ls","-la","/tmp");
2516 * $cmd and string args are surrounded with ""
2519 if(! function_exists('proc_run')) {
2520 function proc_run($cmd){
2524 $args = func_get_args();
2525 call_hooks("proc_run", $args);
2527 if(count($args) && $args[0] === 'php')
2528 $args[0] = ((x($a->config,'php_path')) && (strlen($a->config['php_path'])) ? $a->config['php_path'] : 'php');
2530 foreach ($args as $arg){
2531 $arg = escapeshellarg($arg);
2533 $cmdline = implode($args," ");
2534 proc_close(proc_open($cmdline." &",array(),$foo));
2538 * Return full URL to theme which is currently in effect.
2539 * Provide a sane default if nothing is chosen or the specified theme does not exist.
2542 if(! function_exists('current_theme_url')) {
2543 function current_theme_url() {
2545 $app_base_themes = array('duepuntozero', 'loozah');
2549 $system_theme = ((isset($a->config['system']['theme'])) ? $a->config['system']['theme'] : '');
2550 $theme_name = ((x($_SESSION,'theme')) ? $_SESSION['theme'] : $system_theme);
2552 if($theme_name && file_exists('view/theme/' . $theme_name . '/style.css'))
2553 return($a->get_baseurl() . '/view/theme/' . $theme_name . '/style.css');
2555 foreach($app_base_themes as $t) {
2556 if(file_exists('view/theme/' . $t . '/style.css'))
2557 return($a->get_baseurl() . '/view/theme/' . $t . '/style.css');
2560 $fallback = glob('view/theme/*/style.css');
2561 if(count($fallback))
2562 return($a->get_baseurl() . $fallback[0]);
2567 if(! function_exists('feed_birthday')) {
2568 function feed_birthday($uid,$tz) {
2572 * Determine the next birthday, but only if the birthday is published
2573 * in the default profile. We _could_ also look for a private profile that the
2574 * recipient can see, but somebody could get mad at us if they start getting
2575 * public birthday greetings when they haven't made this info public.
2577 * Assuming we are able to publish this info, we are then going to convert
2578 * the start time from the owner's timezone to UTC.
2580 * This will potentially solve the problem found with some social networks
2581 * where birthdays are converted to the viewer's timezone and salutations from
2582 * elsewhere in the world show up on the wrong day. We will convert it to the
2583 * viewer's timezone also, but first we are going to convert it from the birthday
2584 * person's timezone to GMT - so the viewer may find the birthday starting at
2585 * 6:00PM the day before, but that will correspond to midnight to the birthday person.
2591 $p = q("SELECT `dob` FROM `profile` WHERE `is-default` = 1 AND `uid` = %d LIMIT 1",
2595 if($p && count($p)) {
2596 $tmp_dob = substr($p[0]['dob'],5);
2597 if(intval($tmp_dob)) {
2598 $y = datetime_convert($tz,$tz,'now','Y');
2599 $bd = $y . '-' . $tmp_dob . ' 00:00';
2600 $t_dob = strtotime($bd);
2601 $now = strtotime(datetime_convert($tz,$tz,'now'));
2603 $bd = $y + 1 . '-' . $tmp_dob . ' 00:00';
2604 $birthday = datetime_convert($tz,'UTC',$bd,ATOM_TIME);
2612 * return atom link elements for all of our hubs
2615 if(! function_exists('feed_hublinks')) {
2616 function feed_hublinks() {
2618 $hub = get_config('system','huburl');
2622 $hubs = explode(',', $hub);
2624 foreach($hubs as $h) {
2628 $hubxml .= '<link rel="hub" href="' . xmlify($h) . '" />' . "\n" ;
2635 /* return atom link elements for salmon endpoints */
2637 if(! function_exists('feed_salmonlinks')) {
2638 function feed_salmonlinks($nick) {
2642 $salmon = '<link rel="salmon" href="' . xmlify($a->get_baseurl() . '/salmon/' . $nick) . '" />' . "\n" ;
2644 // old style links that status.net still needed as of 12/2010
2646 $salmon .= ' <link rel="http://salmon-protocol.org/ns/salmon-replies" href="' . xmlify($a->get_baseurl() . '/salmon/' . $nick) . '" />' . "\n" ;
2647 $salmon .= ' <link rel="http://salmon-protocol.org/ns/salmon-mention" href="' . xmlify($a->get_baseurl() . '/salmon/' . $nick) . '" />' . "\n" ;
2651 if(! function_exists('get_plink')) {
2652 function get_plink($item) {
2654 $plink = (((x($item,'plink')) && (! $item['private'])) ? '<div class="wall-item-links-wrapper"><a href="'
2655 . $item['plink'] . '" title="' . t('link to source') . '" target="external-link" ><img src="' . $a->get_baseurl() . '/images/remote-link.gif" alt="' . t('link to source') . '" /></a></div>' : '');
2659 if(! function_exists('unamp')) {
2660 function unamp($s) {
2661 return str_replace('&', '&', $s);
2664 if(! function_exists('extract_item_authors')) {
2665 function extract_item_authors($arr,$uid) {
2667 if((! $uid) || (! is_array($arr)) || (! count($arr)))
2670 foreach($arr as $rr) {
2671 if(! in_array("'" . dbesc($rr['author-link']) . "'",$urls))
2672 $urls[] = "'" . dbesc($rr['author-link']) . "'";
2675 // pre-quoted, don't put quotes on %s
2677 $r = q("SELECT `id`,`network`,`url` FROM `contact` WHERE `uid` = %d AND `url` IN ( %s ) AND `self` = 0 AND `blocked` = 0 ",
2685 if ($rr['network']=='dfrn')
2686 $ret[$rr['url']] = $rr['id'];
2687 $authors[$r['url']]= $rr;
2689 $a->authors = $authors;
2696 if(! function_exists('item_photo_menu')){
2697 function item_photo_menu($item){
2700 if (!isset($a->authors)){
2701 $rr = q("SELECT `id`, `network`, `url` FROM `contact` WHERE `uid`=%d AND `self`=0 AND `blocked`=0 ", intval(local_user()));
2703 foreach($rr as $r) $authors[$r['url']]= $r;
2704 $a->authors = $authors;
2712 $profile_link = ((strlen($item['author-link'])) ? $item['author-link'] : $item['url']);
2713 $redirect_url = $a->get_baseurl() . '/redir/' . $item['cid'] ;
2715 // $item['contact-uid'] is only set on profile page and indicates the uid of the user who owns the profile.
2717 $profile_owner = ((x($item,'contact-uid')) && intval($item['contact-uid']) ? intval($item['contact-uid']) : 0);
2719 // So we are checking that this is a logged in user on some page that *isn't* a profile page
2720 // OR a profile page where the viewer owns the profile.
2721 // Then check if we can use a sparkle (redirect) link to the profile by virtue of it being our contact
2722 // or a friend's contact that we both have a connection to.
2724 if((local_user() && ($profile_owner == 0))
2725 || ($profile_owner && $profile_owner == local_user())) {
2727 if(strlen($item['author-link']) && link_compare($item['author-link'],$item['url']))
2728 $redir = $redirect_url;
2729 elseif(isset($a->authors[$item['author-link']])) {
2730 $redir = $a->get_baseurl() . '/redir/' . $a->authors[$item['author-link']]['id'];
2731 $cid = $a->authors[$item['author-link']]['id'];
2734 if($item['network'] === 'dfrn' && (! $item['self'])) {
2735 $status_link = $redir . "?url=status";
2736 $profile_link = $redir . "?url=profile";
2737 $photos_link = $redir . "?url=photos";
2738 $pm_url = $a->get_baseurl() . '/message/new/' . $cid;
2741 $contact_url = $item['self']?"":$a->get_baseurl() . '/contacts/' . (($item['cid']) ? $item['cid'] : $cid);
2746 t("View status") => $status_link,
2747 t("View profile") => $profile_link,
2748 t("View photos") => $photos_link,
2749 t("Edit contact") => $contact_url,
2750 t("Send PM") => $pm_url,
2754 $args = array($item, &$menu);
2756 call_hooks('item_photo_menu', $args);
2759 foreach($menu as $k=>$v){
2760 if ($v!="") $o .= "<li><a href='$v'>$k</a></li>\n";
2765 if(! function_exists('lang_selector')) {
2766 function lang_selector() {
2768 $o .= '<div id="language-selector" style="display: none;" >';
2769 $o .= '<form action="" method="post" ><select name="system_language" onchange="this.form.submit();" >';
2770 $langs = glob('view/*/strings.php');
2771 if(is_array($langs) && count($langs)) {
2772 if(! in_array('view/en/strings.php',$langs))
2773 $langs[] = 'view/en/';
2774 foreach($langs as $l) {
2776 $ll = substr($ll,0,strrpos($ll,'/'));
2777 $selected = (($ll === $lang) ? ' selected="selected" ' : '');
2778 $o .= '<option value="' . $ll . '"' . $selected . '>' . $ll . '</option>';
2781 $o .= '</select></form></div>';
2786 if(! function_exists('parse_xml_string')) {
2787 function parse_xml_string($s) {
2788 if(! strstr($s,'<?xml'))
2790 $s2 = substr($s,strpos($s,'<?xml'));
2791 libxml_use_internal_errors(true);
2792 $x = @simplexml_load_string($s2);
2793 if(count(libxml_get_errors()))
2794 foreach(libxml_get_errors() as $err)
2795 logger('libxml: parse: ' . $err, LOGGER_DATA);
2796 libxml_clear_errors();