5 define ( 'FRIENDIKA_VERSION', '2.1.943' );
6 define ( 'DFRN_PROTOCOL_VERSION', '2.2' );
7 define ( 'DB_UPDATE_VERSION', 1047 );
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 * Maximum number of "people who like (or don't like) this" that we will list by name
80 define ( 'MAX_LIKERS', 75);
83 * email notification options
86 define ( 'NOTIFY_INTRO', 0x0001 );
87 define ( 'NOTIFY_CONFIRM', 0x0002 );
88 define ( 'NOTIFY_WALL', 0x0004 );
89 define ( 'NOTIFY_COMMENT', 0x0008 );
90 define ( 'NOTIFY_MAIL', 0x0010 );
93 * various namespaces we may need to parse
96 define ( 'NAMESPACE_DFRN' , 'http://purl.org/macgirvin/dfrn/1.0' );
97 define ( 'NAMESPACE_THREAD' , 'http://purl.org/syndication/thread/1.0' );
98 define ( 'NAMESPACE_TOMB' , 'http://purl.org/atompub/tombstones/1.0' );
99 define ( 'NAMESPACE_ACTIVITY', 'http://activitystrea.ms/spec/1.0/' );
100 define ( 'NAMESPACE_ACTIVITY_SCHEMA', 'http://activitystrea.ms/schema/1.0/' );
101 define ( 'NAMESPACE_MEDIA', 'http://purl.org/syndication/atommedia' );
102 define ( 'NAMESPACE_SALMON_ME', 'http://salmon-protocol.org/ns/magic-env' );
103 define ( 'NAMESPACE_OSTATUSSUB', 'http://ostatus.org/schema/1.0/subscribe' );
104 define ( 'NAMESPACE_GEORSS', 'http://www.georss.org/georss' );
105 define ( 'NAMESPACE_POCO', 'http://portablecontacts.net/spec/1.0' );
106 define ( 'NAMESPACE_FEED', 'http://schemas.google.com/g/2010#updates-from' );
109 * activity stream defines
112 define ( 'ACTIVITY_LIKE', NAMESPACE_ACTIVITY_SCHEMA . 'like' );
113 define ( 'ACTIVITY_DISLIKE', NAMESPACE_DFRN . '/dislike' );
114 define ( 'ACTIVITY_OBJ_HEART', NAMESPACE_DFRN . '/heart' );
116 define ( 'ACTIVITY_FRIEND', NAMESPACE_ACTIVITY_SCHEMA . 'make-friend' );
117 define ( 'ACTIVITY_FOLLOW', NAMESPACE_ACTIVITY_SCHEMA . 'follow' );
118 define ( 'ACTIVITY_UNFOLLOW', NAMESPACE_ACTIVITY_SCHEMA . 'stop-following' );
119 define ( 'ACTIVITY_POST', NAMESPACE_ACTIVITY_SCHEMA . 'post' );
120 define ( 'ACTIVITY_UPDATE', NAMESPACE_ACTIVITY_SCHEMA . 'update' );
121 define ( 'ACTIVITY_TAG', NAMESPACE_ACTIVITY_SCHEMA . 'tag' );
123 define ( 'ACTIVITY_OBJ_COMMENT', NAMESPACE_ACTIVITY_SCHEMA . 'comment' );
124 define ( 'ACTIVITY_OBJ_NOTE', NAMESPACE_ACTIVITY_SCHEMA . 'note' );
125 define ( 'ACTIVITY_OBJ_PERSON', NAMESPACE_ACTIVITY_SCHEMA . 'person' );
126 define ( 'ACTIVITY_OBJ_PHOTO', NAMESPACE_ACTIVITY_SCHEMA . 'photo' );
127 define ( 'ACTIVITY_OBJ_P_PHOTO', NAMESPACE_ACTIVITY_SCHEMA . 'profile-photo' );
128 define ( 'ACTIVITY_OBJ_ALBUM', NAMESPACE_ACTIVITY_SCHEMA . 'photo-album' );
131 * item weight for query ordering
134 define ( 'GRAVITY_PARENT', 0);
135 define ( 'GRAVITY_LIKE', 3);
136 define ( 'GRAVITY_COMMENT', 6);
140 * Reverse the effect of magic_quotes_gpc if it is enabled.
141 * Please disable magic_quotes_gpc so we don't have to do this.
142 * See http://php.net/manual/en/security.magicquotes.disabling.php
146 if (get_magic_quotes_gpc()) {
147 $process = array(&$_GET, &$_POST, &$_COOKIE, &$_REQUEST);
148 while (list($key, $val) = each($process)) {
149 foreach ($val as $k => $v) {
150 unset($process[$key][$k]);
152 $process[$key][stripslashes($k)] = $v;
153 $process[] = &$process[$key][stripslashes($k)];
155 $process[$key][stripslashes($k)] = stripslashes($v);
165 require_once("include/pgettext.php");
172 * Our main application structure for the life of this page
173 * Primarily deals with the URL that got us here
174 * and tries to make some sense of it, and
175 * stores our page contents and config storage
176 * and anything else that might need to be passed around
177 * before we spit the page out.
181 if(! class_exists('App')) {
184 public $module_loaded = false;
185 public $query_string;
194 public $error = false;
204 public $interactive = true;
215 private $curl_headers;
217 function __construct() {
219 $this->config = array();
220 $this->page = array();
221 $this->pager= array();
223 $this->query_string = '';
225 $this->scheme = ((isset($_SERVER['HTTPS']) && ($_SERVER['HTTPS'])) ? 'https' : 'http' );
227 if(x($_SERVER,'SERVER_NAME')) {
228 $this->hostname = $_SERVER['SERVER_NAME'];
231 * Figure out if we are running at the top of a domain
232 * or in a sub-directory and adjust accordingly
235 $path = trim(dirname($_SERVER['SCRIPT_NAME']),'/\\');
236 if(isset($path) && strlen($path) && ($path != $this->path))
240 set_include_path("include/$this->hostname" . PATH_SEPARATOR . 'include' . PATH_SEPARATOR . '.' );
242 if((x($_SERVER,'QUERY_STRING')) && substr($_SERVER['QUERY_STRING'],0,2) === "q=")
243 $this->query_string = substr($_SERVER['QUERY_STRING'],2);
245 $this->cmd = trim($_GET['q'],'/\\');
251 * Break the URL path into C style argc/argv style arguments for our
252 * modules. Given "http://example.com/module/arg1/arg2", $this->argc
253 * will be 3 (integer) and $this->argv will contain:
259 * There will always be one argument. If provided a naked domain
260 * URL, $this->argv[0] is set to "home".
264 $this->argv = explode('/',$this->cmd);
265 $this->argc = count($this->argv);
266 if((array_key_exists('0',$this->argv)) && strlen($this->argv[0])) {
267 $this->module = $this->argv[0];
270 $this->module = 'home';
274 * Special handling for the webfinger/lrdd host XRD file
275 * Just spit out the contents and exit.
278 if($this->cmd === '.well-known/host-meta') {
279 require_once('include/hostxrd.php');
280 hostxrd($this->hostname);
285 * See if there is any page number information, and initialise
289 $this->pager['page'] = ((x($_GET,'page')) ? $_GET['page'] : 1);
290 $this->pager['itemspage'] = 50;
291 $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
292 $this->pager['total'] = 0;
295 function get_baseurl($ssl = false) {
297 $scheme = $this->scheme;
299 if(x($this->config,'ssl_policy')) {
300 if(($ssl) || ($this->config['ssl_policy'] == SSL_POLICY_FULL))
302 if(($this->config['ssl_policy'] == SSL_POLICY_SELFSIGN) && (local_user() || x($_POST,'auth-params')))
306 $this->baseurl = $scheme . "://" . $this->hostname . ((isset($this->path) && strlen($this->path)) ? '/' . $this->path : '' );
307 return $this->baseurl;
310 function set_baseurl($url) {
311 $parsed = @parse_url($url);
313 $this->baseurl = $url;
316 $this->scheme = $parsed['scheme'];
318 $this->hostname = $parsed['host'];
319 if(x($parsed,'port'))
320 $this->hostname .= ':' . $parsed['port'];
321 if(x($parsed,'path'))
322 $this->path = trim($parsed['path'],'\\/');
327 function get_hostname() {
328 return $this->hostname;
331 function set_hostname($h) {
332 $this->hostname = $h;
335 function set_path($p) {
336 $this->path = trim(trim($p),'/');
339 function get_path() {
343 function set_pager_total($n) {
344 $this->pager['total'] = intval($n);
347 function set_pager_itemspage($n) {
348 $this->pager['itemspage'] = intval($n);
349 $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
353 function init_pagehead() {
354 $this->page['title'] = $this->config['sitename'];
355 $tpl = load_view_file('view/head.tpl');
356 $this->page['htmlhead'] = replace_macros($tpl,array(
357 '$baseurl' => $this->get_baseurl() . '/',
358 '$generator' => 'Friendika' . ' ' . FRIENDIKA_VERSION,
359 '$delitem' => t('Delete this item?'),
360 '$comment' => t('Comment')
364 function set_curl_code($code) {
365 $this->curl_code = $code;
368 function get_curl_code() {
369 return $this->curl_code;
372 function set_curl_headers($headers) {
373 $this->curl_headers = $headers;
376 function get_curl_headers() {
377 return $this->curl_headers;
383 // retrieve the App structure
384 // useful in functions which require it but don't get it passed to them
386 if(! function_exists('get_app')) {
393 // Multi-purpose function to check variable state.
394 // Usage: x($var) or $x($array,'key')
395 // returns false if variable/key is not set
396 // if variable is set, returns 1 if has 'non-zero' value, otherwise returns 0.
397 // e.g. x('') or x(0) returns 0;
399 if(! function_exists('x')) {
400 function x($s,$k = NULL) {
402 if((is_array($s)) && (array_key_exists($k,$s))) {
420 // called from db initialisation if db is dead.
422 if(! function_exists('system_unavailable')) {
423 function system_unavailable() {
424 include('system_unavailable.php');
429 // Primarily involved with database upgrade, but also sets the
430 // base url for use in cmdline programs which don't have
431 // $_SERVER variables, and synchronising the state of installed plugins.
434 if(! function_exists('check_config')) {
435 function check_config(&$a) {
438 load_config('system');
440 $build = get_config('system','build');
442 $build = set_config('system','build',DB_UPDATE_VERSION);
444 $url = get_config('system','url');
446 // if the url isn't set or the stored url is radically different
447 // than the currently visited url, store the current value accordingly.
448 // "Radically different" ignores common variations such as http vs https
449 // and www.example.com vs example.com.
451 if((! x($url)) || (! link_compare($url,$a->get_baseurl())))
452 $url = set_config('system','url',$a->get_baseurl());
454 if($build != DB_UPDATE_VERSION) {
455 $stored = intval($build);
456 $current = intval(DB_UPDATE_VERSION);
457 if(($stored < $current) && file_exists('update.php')) {
458 // We're reporting a different version than what is currently installed.
459 // Run any existing update scripts to bring the database up to current.
461 require_once('update.php');
462 for($x = $stored; $x < $current; $x ++) {
463 if(function_exists('update_' . $x)) {
464 $func = 'update_' . $x;
468 set_config('system','build', DB_UPDATE_VERSION);
474 * Synchronise plugins:
476 * $a->config['system']['addon'] contains a comma-separated list of names
477 * of plugins/addons which are used on this system.
478 * Go through the database list of already installed addons, and if we have
479 * an entry, but it isn't in the config list, call the uninstall procedure
480 * and mark it uninstalled in the database (for now we'll remove it).
481 * Then go through the config list and if we have a plugin that isn't installed,
482 * call the install procedure and add it to the database.
486 $r = q("SELECT * FROM `addon` WHERE `installed` = 1");
490 $installed = array();
492 $plugins = get_config('system','addon');
493 $plugins_arr = array();
496 $plugins_arr = explode(',',str_replace(' ', '',$plugins));
498 $a->plugins = $plugins_arr;
500 $installed_arr = array();
502 if(count($installed)) {
503 foreach($installed as $i) {
504 if(! in_array($i['name'],$plugins_arr)) {
505 logger("Addons: uninstalling " . $i['name']);
506 q("DELETE FROM `addon` WHERE `id` = %d LIMIT 1",
510 @include_once('addon/' . $i['name'] . '/' . $i['name'] . '.php');
511 if(function_exists($i['name'] . '_uninstall')) {
512 $func = $i['name'] . '_uninstall';
517 $installed_arr[] = $i['name'];
521 if(count($plugins_arr)) {
522 foreach($plugins_arr as $p) {
523 if(! in_array($p,$installed_arr)) {
524 logger("Addons: installing " . $p);
525 $t = filemtime('addon/' . $p . '/' . $p . '.php');
526 @include_once('addon/' . $p . '/' . $p . '.php');
527 if(function_exists($p . '_install')) {
528 $func = $p . '_install';
530 $r = q("INSERT INTO `addon` (`name`, `installed`, `timestamp`) VALUES ( '%s', 1, %d ) ",
545 // reload all updated plugins
547 if(! function_exists('reload_plugins')) {
548 function reload_plugins() {
549 $plugins = get_config('system','addon');
550 if(strlen($plugins)) {
552 $r = q("SELECT * FROM `addon` WHERE `installed` = 1");
556 $installed = array();
558 $parr = explode(',',$plugins);
560 foreach($parr as $pl) {
563 $t = filemtime('addon/' . $pl . '/' . $pl . '.php');
564 foreach($installed as $i) {
565 if(($i['name'] == $pl) && ($i['timestamp'] != $t)) {
566 logger('Reloading plugin: ' . $i['name']);
567 @include_once('addon/' . $pl . '/' . $pl . '.php');
569 if(function_exists($pl . '_uninstall')) {
570 $func = $pl . '_uninstall';
573 if(function_exists($pl . '_install')) {
574 $func = $pl . '_install';
577 q("UPDATE `addon` SET `timestamp` = %d WHERE `id` = %d LIMIT 1",
590 // This is our template processor.
591 // $s is the string requiring macro substitution.
592 // $r is an array of key value pairs (search => replace)
593 // returns substituted string.
594 // WARNING: this is pretty basic, and doesn't properly handle search strings that are substrings of each other.
595 // For instance if 'test' => "foo" and 'testing' => "bar", testing could become either bar or fooing,
596 // depending on the order in which they were declared in the array.
598 if(! function_exists('replace_macros')) {
599 function replace_macros($s,$r) {
604 if(is_array($r) && count($r)) {
605 foreach ($r as $k => $v ) {
610 return str_replace($search,$replace,$s);
614 // curl wrapper. If binary flag is true, return binary
617 if(! function_exists('fetch_url')) {
618 function fetch_url($url,$binary = false, &$redirects = 0) {
622 $ch = curl_init($url);
623 if(($redirects > 8) || (! $ch))
626 curl_setopt($ch, CURLOPT_HEADER, true);
627 curl_setopt($ch, CURLOPT_RETURNTRANSFER,true);
630 $curl_time = intval(get_config('system','curl_timeout'));
631 curl_setopt($ch, CURLOPT_TIMEOUT, (($curl_time !== false) ? $curl_time : 60));
633 // by default we will allow self-signed certs
634 // but you can override this
636 $check_cert = get_config('system','verifyssl');
637 curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, (($check_cert) ? true : false));
639 $prx = get_config('system','proxy');
641 curl_setopt($ch, CURLOPT_HTTPPROXYTUNNEL, 1);
642 curl_setopt($ch, CURLOPT_PROXY, $prx);
643 $prxusr = get_config('system','proxyuser');
645 curl_setopt($ch, CURLOPT_PROXYUSERPWD, $prxusr);
648 curl_setopt($ch, CURLOPT_BINARYTRANSFER,1);
650 $a->set_curl_code(0);
652 // don't let curl abort the entire application
653 // if it throws any errors.
655 $s = @curl_exec($ch);
657 $http_code = intval(curl_getinfo($ch, CURLINFO_HTTP_CODE));
658 $header = substr($s,0,strpos($s,"\r\n\r\n"));
659 if(stristr($header,'100') && (strlen($header) < 30)) {
660 // 100 Continue has two headers, get the real one
661 $s = substr($s,strlen($header)+4);
662 $header = substr($s,0,strpos($s,"\r\n\r\n"));
664 if($http_code == 301 || $http_code == 302 || $http_code == 303) {
666 preg_match('/(Location:|URI:)(.*?)\n/', $header, $matches);
667 $url = trim(array_pop($matches));
668 $url_parsed = @parse_url($url);
669 if (isset($url_parsed)) {
671 return fetch_url($url,$binary,$redirects);
674 $a->set_curl_code($http_code);
676 $body = substr($s,strlen($header)+4);
678 /* one more try to make sure there are no more headers */
680 if(strpos($body,'HTTP/') === 0) {
681 $header = substr($body,0,strpos($body,"\r\n\r\n"));
682 $body = substr($body,strlen($header)+4);
685 $a->set_curl_headers($header);
691 // post request to $url. $params is an array of post variables.
693 if(! function_exists('post_url')) {
694 function post_url($url,$params, $headers = null, &$redirects = 0) {
696 $ch = curl_init($url);
697 if(($redirects > 8) || (! $ch))
700 curl_setopt($ch, CURLOPT_HEADER, true);
701 curl_setopt($ch, CURLOPT_RETURNTRANSFER,true);
702 curl_setopt($ch, CURLOPT_POST,1);
703 curl_setopt($ch, CURLOPT_POSTFIELDS,$params);
705 $curl_time = intval(get_config('system','curl_timeout'));
706 curl_setopt($ch, CURLOPT_TIMEOUT, (($curl_time !== false) ? $curl_time : 60));
708 if(is_array($headers))
709 curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
711 $check_cert = get_config('system','verifyssl');
712 curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, (($check_cert) ? true : false));
713 $prx = get_config('system','proxy');
715 curl_setopt($ch, CURLOPT_HTTPPROXYTUNNEL, 1);
716 curl_setopt($ch, CURLOPT_PROXY, $prx);
717 $prxusr = get_config('system','proxyuser');
719 curl_setopt($ch, CURLOPT_PROXYUSERPWD, $prxusr);
722 $a->set_curl_code(0);
724 // don't let curl abort the entire application
725 // if it throws any errors.
727 $s = @curl_exec($ch);
729 $http_code = intval(curl_getinfo($ch, CURLINFO_HTTP_CODE));
730 $header = substr($s,0,strpos($s,"\r\n\r\n"));
731 if(stristr($header,'100') && (strlen($header) < 30)) {
732 // 100 Continue has two headers, get the real one
733 $s = substr($s,strlen($header)+4);
734 $header = substr($s,0,strpos($s,"\r\n\r\n"));
736 if($http_code == 301 || $http_code == 302 || $http_code == 303) {
738 preg_match('/(Location:|URI:)(.*?)\n/', $header, $matches);
739 $url = trim(array_pop($matches));
740 $url_parsed = @parse_url($url);
741 if (isset($url_parsed)) {
743 return post_url($url,$binary,$headers,$redirects);
746 $a->set_curl_code($http_code);
747 $body = substr($s,strlen($header)+4);
749 /* one more try to make sure there are no more headers */
751 if(strpos($body,'HTTP/') === 0) {
752 $header = substr($body,0,strpos($body,"\r\n\r\n"));
753 $body = substr($body,strlen($header)+4);
756 $a->set_curl_headers($header);
762 // random hash, 64 chars
764 if(! function_exists('random_string')) {
765 function random_string() {
766 return(hash('sha256',uniqid(rand(),true)));
770 * This is our primary input filter.
772 * The high bit hack only involved some old IE browser, forget which (IE5/Mac?)
773 * that had an XSS attack vector due to stripping the high-bit on an 8-bit character
774 * after cleansing, and angle chars with the high bit set could get through as markup.
776 * This is now disabled because it was interfering with some legitimate unicode sequences
777 * and hopefully there aren't a lot of those browsers left.
779 * Use this on any text input where angle chars are not valid or permitted
780 * They will be replaced with safer brackets. This may be filtered further
781 * if these are not allowed either.
785 if(! function_exists('notags')) {
786 function notags($string) {
788 return(str_replace(array("<",">"), array('[',']'), $string));
790 // High-bit filter no longer used
791 // return(str_replace(array("<",">","\xBA","\xBC","\xBE"), array('[',']','','',''), $string));
794 // use this on "body" or "content" input where angle chars shouldn't be removed,
795 // and allow them to be safely displayed.
797 if(! function_exists('escape_tags')) {
798 function escape_tags($string) {
800 return(htmlspecialchars($string));
803 // wrapper for adding a login box. If $register == true provide a registration
804 // link. This will most always depend on the value of $a->config['register_policy'].
805 // returns the complete html for inserting into the page
807 if(! function_exists('login')) {
808 function login($register = false) {
810 $register_tpl = (($register) ? load_view_file("view/register-link.tpl") : "");
812 $register_html = replace_macros($register_tpl,array(
813 '$title' => t('Create a New Account'),
814 '$desc' => t('Register')
817 $noid = get_config('system','no_openid');
819 $classname = 'no-openid';
820 $namelabel = t('Nickname or Email address: ');
821 $passlabel = t('Password: ');
825 $classname = 'openid';
826 $namelabel = t('Nickname/Email/OpenID: ');
827 $passlabel = t("Password \x28if not OpenID\x29: ");
830 $lostpass = t('Forgot your password?');
831 $lostlink = t('Password Reset');
834 $tpl = load_view_file("view/logout.tpl");
837 $tpl = load_view_file("view/login.tpl");
841 $o = replace_macros($tpl,array(
842 '$logout' => t('Logout'),
843 '$register_html' => $register_html,
844 '$classname' => $classname,
845 '$namelabel' => $namelabel,
846 '$passlabel' => $passlabel,
848 '$lostpass' => $lostpass,
849 '$lostlink' => $lostlink
855 // generate a string that's random, but usually pronounceable.
856 // used to generate initial passwords
858 if(! function_exists('autoname')) {
859 function autoname($len) {
861 $vowels = array('a','a','ai','au','e','e','e','ee','ea','i','ie','o','ou','u');
862 if(mt_rand(0,5) == 4)
880 's','sc','sh','sm','sp','st',
888 $midcons = array('ck','ct','gn','ld','lf','lm','lt','mb','mm', 'mn','mp',
889 'nd','ng','nk','nt','rn','rp','rt');
891 $noend = array('bl', 'br', 'cl','cr','dr','fl','fr','gl','gr',
892 'kh', 'kl','kr','mn','pl','pr','rh','tr','qu','wh');
894 $start = mt_rand(0,2);
902 for ($x = 0; $x < $len; $x ++) {
903 $r = mt_rand(0,count($table) - 1);
906 if($table == $vowels)
907 $table = array_merge($cons,$midcons);
913 $word = substr($word,0,$len);
915 foreach($noend as $noe) {
916 if((strlen($word) > 2) && (substr($word,-2) == $noe)) {
917 $word = substr($word,0,-1);
921 if(substr($word,-1) == 'q')
922 $word = substr($word,0,-1);
926 // Used to end the current process, after saving session state.
928 if(! function_exists('killme')) {
930 session_write_close();
934 // redirect to another URL and terminate this process.
936 if(! function_exists('goaway')) {
937 function goaway($s) {
938 header("Location: $s");
942 // Generic XML return
943 // Outputs a basic dfrn XML status structure to STDOUT, with a <status> variable
944 // of $st and an optional text <message> of $message and terminates the current process.
946 if(! function_exists('xml_status')) {
947 function xml_status($st, $message = '') {
949 $xml_message = ((strlen($message)) ? "\t<message>" . xmlify($message) . "</message>\r\n" : '');
952 logger('xml_status returning non_zero: ' . $st . " message=" . $message);
954 header( "Content-type: text/xml" );
955 echo '<?xml version="1.0" encoding="UTF-8"?>'."\r\n";
956 echo "<result>\r\n\t<status>$st</status>\r\n$xml_message</result>\r\n";
960 // Returns the uid of locally logged in user or false.
962 if(! function_exists('local_user')) {
963 function local_user() {
964 if((x($_SESSION,'authenticated')) && (x($_SESSION,'uid')))
965 return intval($_SESSION['uid']);
969 // Returns contact id of authenticated site visitor or false
971 if(! function_exists('remote_user')) {
972 function remote_user() {
973 if((x($_SESSION,'authenticated')) && (x($_SESSION,'visitor_id')))
974 return intval($_SESSION['visitor_id']);
978 // contents of $s are displayed prominently on the page the next time
979 // a page is loaded. Usually used for errors or alerts.
981 if(! function_exists('notice')) {
982 function notice($s) {
985 $_SESSION['sysmsg'] .= $s;
988 // wrapper around config to limit the text length of an incoming message
990 if(! function_exists('get_max_import_size')) {
991 function get_max_import_size() {
993 return ((x($a->config,'max_import_size')) ? $a->config['max_import_size'] : 0 );
997 // escape text ($str) for XML transport
998 // returns escaped text.
1000 if(! function_exists('xmlify')) {
1001 function xmlify($str) {
1004 for($x = 0; $x < strlen($str); $x ++) {
1015 $buffer .= ''';
1018 $buffer .= '"';
1034 $buffer = trim($buffer);
1039 // pass xml escaped text ($s), returns unescaped text
1041 if(! function_exists('unxmlify')) {
1042 function unxmlify($s) {
1043 $ret = str_replace('&','&', $s);
1044 $ret = str_replace(array('<','>','"','''),array('<','>','"',"'"),$ret);
1048 // convenience wrapper, reverse the operation "bin2hex"
1050 if(! function_exists('hex2bin')) {
1051 function hex2bin($s) {
1052 if(! ctype_xdigit($s)) {
1053 logger('hex2bin: illegal input: ' . print_r(debug_backtrace(), true));
1057 return(pack("H*",$s));
1060 // Automatic pagination.
1061 // To use, get the count of total items.
1062 // Then call $a->set_pager_total($number_items);
1063 // Optionally call $a->set_pager_itemspage($n) to the number of items to display on each page
1064 // Then call paginate($a) after the end of the display loop to insert the pager block on the page
1065 // (assuming there are enough items to paginate).
1066 // When using with SQL, the setting LIMIT %d, %d => $a->pager['start'],$a->pager['itemspage']
1067 // will limit the results to the correct items for the current page.
1068 // The actual page handling is then accomplished at the application layer.
1070 if(! function_exists('paginate')) {
1071 function paginate(&$a) {
1073 $stripped = preg_replace('/(&page=[0-9]*)/','',$a->query_string);
1074 $stripped = str_replace('q=','',$stripped);
1075 $stripped = trim($stripped,'/');
1076 $pagenum = $a->pager['page'];
1077 $url = $a->get_baseurl() . '/' . $stripped;
1080 if($a->pager['total'] > $a->pager['itemspage']) {
1081 $o .= '<div class="pager">';
1082 if($a->pager['page'] != 1)
1083 $o .= '<span class="pager_prev">'."<a href=\"$url".'&page='.($a->pager['page'] - 1).'">' . t('prev') . '</a></span> ';
1085 $o .= "<span class=\"pager_first\"><a href=\"$url"."&page=1\">" . t('first') . "</a></span> ";
1087 $numpages = $a->pager['total'] / $a->pager['itemspage'];
1090 $numstop = $numpages;
1092 if($numpages > 14) {
1093 $numstart = (($pagenum > 7) ? ($pagenum - 7) : 1);
1094 $numstop = (($pagenum > ($numpages - 7)) ? $numpages : ($numstart + 14));
1097 for($i = $numstart; $i <= $numstop; $i++){
1098 if($i == $a->pager['page'])
1099 $o .= '<span class="pager_current">'.(($i < 10) ? ' '.$i : $i);
1101 $o .= "<span class=\"pager_n\"><a href=\"$url"."&page=$i\">".(($i < 10) ? ' '.$i : $i)."</a>";
1105 if(($a->pager['total'] % $a->pager['itemspage']) != 0) {
1106 if($i == $a->pager['page'])
1107 $o .= '<span class="pager_current">'.(($i < 10) ? ' '.$i : $i);
1109 $o .= "<span class=\"pager_n\"><a href=\"$url"."&page=$i\">".(($i < 10) ? ' '.$i : $i)."</a>";
1113 $lastpage = (($numpages > intval($numpages)) ? intval($numpages)+1 : $numpages);
1114 $o .= "<span class=\"pager_last\"><a href=\"$url"."&page=$lastpage\">" . t('last') . "</a></span> ";
1116 if(($a->pager['total'] - ($a->pager['itemspage'] * $a->pager['page'])) > 0)
1117 $o .= '<span class="pager_next">'."<a href=\"$url"."&page=".($a->pager['page'] + 1).'">' . t('next') . '</a></span>';
1118 $o .= '</div>'."\r\n";
1123 // Turn user/group ACLs stored as angle bracketed text into arrays
1125 if(! function_exists('expand_acl')) {
1126 function expand_acl($s) {
1127 // turn string array of angle-bracketed elements into numeric array
1128 // e.g. "<1><2><3>" => array(1,2,3);
1132 $t = str_replace('<','',$s);
1133 $a = explode('>',$t);
1134 foreach($a as $aa) {
1136 $ret[] = intval($aa);
1142 // Used to wrap ACL elements in angle brackets for storage
1144 if(! function_exists('sanitise_acl')) {
1145 function sanitise_acl(&$item) {
1147 $item = '<' . intval(notags(trim($item))) . '>';
1152 // retrieve a "family" of config variables from database to cached storage
1154 if(! function_exists('load_config')) {
1155 function load_config($family) {
1157 $r = q("SELECT * FROM `config` WHERE `cat` = '%s'",
1161 foreach($r as $rr) {
1163 $a->config[$family][$k] = $rr['v'];
1168 // get a particular config variable given the family name
1169 // and key. Returns false if not set.
1170 // $instore is only used by the set_config function
1171 // to determine if the key already exists in the DB
1172 // If a key is found in the DB but doesn't exist in
1173 // local config cache, pull it into the cache so we don't have
1174 // to hit the DB again for this item.
1176 if(! function_exists('get_config')) {
1177 function get_config($family, $key, $instore = false) {
1182 if(isset($a->config[$family][$key])) {
1183 if($a->config[$family][$key] === '!<unset>!') {
1186 return $a->config[$family][$key];
1189 $ret = q("SELECT `v` FROM `config` WHERE `cat` = '%s' AND `k` = '%s' LIMIT 1",
1194 $a->config[$family][$key] = $ret[0]['v'];
1195 return $ret[0]['v'];
1198 $a->config[$family][$key] = '!<unset>!';
1203 // Store a config value ($value) in the category ($family)
1204 // under the key ($key)
1205 // Return the value, or false if the database update failed
1207 if(! function_exists('set_config')) {
1208 function set_config($family,$key,$value) {
1212 if(get_config($family,$key,true) === false) {
1213 $ret = q("INSERT INTO `config` ( `cat`, `k`, `v` ) VALUES ( '%s', '%s', '%s' ) ",
1222 $ret = q("UPDATE `config` SET `v` = '%s' WHERE `cat` = '%s' AND `k` = '%s' LIMIT 1",
1228 $a->config[$family][$key] = $value;
1236 if(! function_exists('load_pconfig')) {
1237 function load_pconfig($uid,$family) {
1239 $r = q("SELECT * FROM `pconfig` WHERE `cat` = '%s' AND `uid` = %d",
1244 foreach($r as $rr) {
1246 $a->config[$uid][$family][$k] = $rr['v'];
1253 if(! function_exists('get_pconfig')) {
1254 function get_pconfig($uid,$family, $key, $instore = false) {
1259 if(isset($a->config[$uid][$family][$key])) {
1260 if($a->config[$uid][$family][$key] === '!<unset>!') {
1263 return $a->config[$uid][$family][$key];
1267 $ret = q("SELECT `v` FROM `pconfig` WHERE `uid` = %d AND `cat` = '%s' AND `k` = '%s' LIMIT 1",
1274 $a->config[$uid][$family][$key] = $ret[0]['v'];
1275 return $ret[0]['v'];
1278 $a->config[$uid][$family][$key] = '!<unset>!';
1283 if(! function_exists('del_config')) {
1284 function del_config($family,$key) {
1287 if(x($a->config[$family],$key))
1288 unset($a->config[$family][$key]);
1289 $ret = q("DELETE FROM `config` WHERE `cat` = '%s' AND `k` = '%s' LIMIT 1",
1298 // Same as above functions except these are for personal config storage and take an
1299 // additional $uid argument.
1301 if(! function_exists('set_pconfig')) {
1302 function set_pconfig($uid,$family,$key,$value) {
1306 if(get_pconfig($uid,$family,$key,true) === false) {
1307 $ret = q("INSERT INTO `pconfig` ( `uid`, `cat`, `k`, `v` ) VALUES ( %d, '%s', '%s', '%s' ) ",
1317 $ret = q("UPDATE `pconfig` SET `v` = '%s' WHERE `uid` = %d AND `cat` = '%s' AND `k` = '%s' LIMIT 1",
1324 $a->config[$uid][$family][$key] = $value;
1331 if(! function_exists('del_pconfig')) {
1332 function del_pconfig($uid,$family,$key) {
1335 if(x($a->config[$uid][$family],$key))
1336 unset($a->config[$uid][$family][$key]);
1337 $ret = q("DELETE FROM `pconfig` WHERE `uid` = %d AND `cat` = '%s' AND `k` = '%s' LIMIT 1",
1346 // convert an XML document to a normalised, case-corrected array
1347 // used by webfinger
1349 if(! function_exists('convert_xml_element_to_array')) {
1350 function convert_xml_element_to_array($xml_element, &$recursion_depth=0) {
1352 // If we're getting too deep, bail out
1353 if ($recursion_depth > 512) {
1357 if (!is_string($xml_element) &&
1358 !is_array($xml_element) &&
1359 (get_class($xml_element) == 'SimpleXMLElement')) {
1360 $xml_element_copy = $xml_element;
1361 $xml_element = get_object_vars($xml_element);
1364 if (is_array($xml_element)) {
1365 $result_array = array();
1366 if (count($xml_element) <= 0) {
1367 return (trim(strval($xml_element_copy)));
1370 foreach($xml_element as $key=>$value) {
1373 $result_array[strtolower($key)] =
1374 convert_xml_element_to_array($value, $recursion_depth);
1377 if ($recursion_depth == 0) {
1378 $temp_array = $result_array;
1379 $result_array = array(
1380 strtolower($xml_element_copy->getName()) => $temp_array,
1384 return ($result_array);
1387 return (trim(strval($xml_element)));
1391 // Given an email style address, perform webfinger lookup and
1392 // return the resulting DFRN profile URL, or if no DFRN profile URL
1393 // is located, returns an OStatus subscription template (prefixed
1394 // with the string 'stat:' to identify it as on OStatus template).
1395 // If this isn't an email style address just return $s.
1396 // Return an empty string if email-style addresses but webfinger fails,
1397 // or if the resultant personal XRD doesn't contain a supported
1398 // subscription/friend-request attribute.
1400 if(! function_exists('webfinger_dfrn')) {
1401 function webfinger_dfrn($s) {
1402 if(! strstr($s,'@')) {
1405 $links = webfinger($s);
1406 logger('webfinger_dfrn: ' . $s . ':' . print_r($links,true), LOGGER_DATA);
1408 foreach($links as $link)
1409 if($link['@attributes']['rel'] === NAMESPACE_DFRN)
1410 return $link['@attributes']['href'];
1411 foreach($links as $link)
1412 if($link['@attributes']['rel'] === NAMESPACE_OSTATUSSUB)
1413 return 'stat:' . $link['@attributes']['template'];
1418 // Given an email style address, perform webfinger lookup and
1419 // return the array of link attributes from the personal XRD file.
1420 // On error/failure return an empty array.
1423 if(! function_exists('webfinger')) {
1424 function webfinger($s) {
1426 if(strstr($s,'@')) {
1427 $host = substr($s,strpos($s,'@') + 1);
1430 $tpl = fetch_lrdd_template($host);
1431 logger('webfinger: lrdd template: ' . $tpl);
1433 $pxrd = str_replace('{uri}', urlencode('acct:' . $s), $tpl);
1434 logger('webfinger: pxrd: ' . $pxrd);
1435 $links = fetch_xrd_links($pxrd);
1436 if(! count($links)) {
1437 // try with double slashes
1438 $pxrd = str_replace('{uri}', urlencode('acct://' . $s), $tpl);
1439 logger('webfinger: pxrd: ' . $pxrd);
1440 $links = fetch_xrd_links($pxrd);
1448 if(! function_exists('lrdd')) {
1449 function lrdd($uri) {
1453 // default priority is host priority, host-meta first
1457 // All we have is an email address. Resource-priority is irrelevant
1458 // because our URI isn't directly resolvable.
1460 if(strstr($uri,'@')) {
1461 return(webfinger($uri));
1464 // get the host meta file
1466 $host = @parse_url($uri);
1469 $url = ((x($host,'scheme')) ? $host['scheme'] : 'http') . '://';
1470 $url .= $host['host'] . '/.well-known/host-meta' ;
1475 logger('lrdd: constructed url: ' . $url);
1477 $xml = fetch_url($url);
1478 $headers = $a->get_curl_headers();
1483 logger('lrdd: host_meta: ' . $xml, LOGGER_DATA);
1485 $h = parse_xml_string($xml);
1487 $arr = convert_xml_element_to_array($h);
1489 if(isset($arr['xrd']['property'])) {
1490 $property = $arr['crd']['property'];
1491 if(! isset($property[0]))
1492 $properties = array($property);
1494 $properties = $property;
1495 foreach($properties as $prop)
1496 if((string) $prop['@attributes'] === 'http://lrdd.net/priority/resource')
1497 $priority = 'resource';
1500 // save the links in case we need them
1504 if(isset($arr['xrd']['link'])) {
1505 $link = $arr['xrd']['link'];
1506 if(! isset($link[0]))
1507 $links = array($link);
1512 // do we have a template or href?
1515 foreach($links as $link) {
1516 if($link['@attributes']['rel'] && attribute_contains($link['@attributes']['rel'],'lrdd')) {
1517 if(x($link['@attributes'],'template'))
1518 $tpl = $link['@attributes']['template'];
1519 elseif(x($link['@attributes'],'href'))
1520 $href = $link['@attributes']['href'];
1525 if((! isset($tpl)) || (! strpos($tpl,'{uri}')))
1528 if($priority === 'host') {
1530 $pxrd = str_replace('{uri}', urlencode($uri), $tpl);
1531 elseif(isset($href))
1534 logger('lrdd: (host priority) pxrd: ' . $pxrd);
1535 $links = fetch_xrd_links($pxrd);
1539 $lines = explode("\n",$headers);
1541 foreach($lines as $line) {
1542 if((stristr($line,'link:')) && preg_match('/<([^>].*)>.*rel\=[\'\"]lrdd[\'\"]/',$line,$matches)) {
1543 return(fetch_xrd_links($matches[1]));
1551 // priority 'resource'
1554 $html = fetch_url($uri);
1555 $headers = $a->get_curl_headers();
1556 logger('lrdd: headers=' . $headers, LOGGER_DEBUG);
1558 // don't try and parse raw xml as html
1559 if(! strstr($html,'<?xml')) {
1560 require_once('library/HTML5/Parser.php');
1561 $dom = @HTML5_Parser::parse($html);
1564 $items = $dom->getElementsByTagName('link');
1565 foreach($items as $item) {
1566 $x = $item->getAttribute('rel');
1568 $pagelink = $item->getAttribute('href');
1575 if(isset($pagelink))
1576 return(fetch_xrd_links($pagelink));
1578 // next look in HTTP headers
1580 $lines = explode("\n",$headers);
1582 foreach($lines as $line) {
1583 // TODO alter the following regex to support multiple relations (space separated)
1584 if((stristr($line,'link:')) && preg_match('/<([^>].*)>.*rel\=[\'\"]lrdd[\'\"]/',$line,$matches)) {
1585 $pagelink = $matches[1];
1588 // don't try and run feeds through the html5 parser
1589 if(stristr($line,'content-type:') && ((stristr($line,'application/atom+xml')) || (stristr($line,'application/rss+xml'))))
1591 if(stristr($html,'<rss') || stristr($html,'<feed'))
1596 if(isset($pagelink))
1597 return(fetch_xrd_links($pagelink));
1599 // If we haven't found any links, return the host xrd links (which we have already fetched)
1610 // Given a host name, locate the LRDD template from that
1611 // host. Returns the LRDD template or an empty string on
1614 if(! function_exists('fetch_lrdd_template')) {
1615 function fetch_lrdd_template($host) {
1618 $url1 = 'https://' . $host . '/.well-known/host-meta' ;
1619 $url2 = 'http://' . $host . '/.well-known/host-meta' ;
1620 $links = fetch_xrd_links($url1);
1621 logger('template (https): ' . print_r($links,true));
1622 if(! count($links)) {
1623 $links = fetch_xrd_links($url2);
1624 logger('template (http): ' . print_r($links,true));
1627 foreach($links as $link)
1628 if($link['@attributes']['rel'] && $link['@attributes']['rel'] === 'lrdd')
1629 $tpl = $link['@attributes']['template'];
1631 if(! strpos($tpl,'{uri}'))
1636 // Given a URL, retrieve the page as an XRD document.
1637 // Return an array of links.
1638 // on error/failure return empty array.
1640 if(! function_exists('fetch_xrd_links')) {
1641 function fetch_xrd_links($url) {
1644 $xml = fetch_url($url);
1648 logger('fetch_xrd_links: ' . $xml, LOGGER_DATA);
1649 $h = parse_xml_string($xml);
1650 $arr = convert_xml_element_to_array($h);
1654 if(isset($arr['xrd']['link'])) {
1655 $link = $arr['xrd']['link'];
1656 if(! isset($link[0]))
1657 $links = array($link);
1661 if(isset($arr['xrd']['alias'])) {
1662 $alias = $arr['xrd']['alias'];
1663 if(! isset($alias[0]))
1664 $aliases = array($alias);
1667 foreach($aliases as $alias) {
1668 $links[]['@attributes'] = array('rel' => 'alias' , 'href' => $alias);
1672 logger('fetch_xrd_links: ' . print_r($links,true), LOGGER_DATA);
1678 // Convert an ACL array to a storable string
1680 if(! function_exists('perms2str')) {
1681 function perms2str($p) {
1684 if(is_array($tmp)) {
1685 array_walk($tmp,'sanitise_acl');
1686 $ret = implode('',$tmp);
1691 // generate a guaranteed unique (for this domain) item ID for ATOM
1692 // safe from birthday paradox
1694 if(! function_exists('item_new_uri')) {
1695 function item_new_uri($hostname,$uid) {
1699 $hash = random_string();
1701 $uri = "urn:X-dfrn:" . $hostname . ':' . $uid . ':' . $hash;
1703 $r = q("SELECT `id` FROM `item` WHERE `uri` = '%s' LIMIT 1",
1707 } while($dups == true);
1711 // Generate a guaranteed unique photo ID.
1712 // safe from birthday paradox
1714 if(! function_exists('photo_new_resource')) {
1715 function photo_new_resource() {
1719 $resource = hash('md5',uniqid(mt_rand(),true));
1720 $r = q("SELECT `id` FROM `photo` WHERE `resource-id` = '%s' LIMIT 1",
1725 } while($found == true);
1730 // Take a URL from the wild, prepend http:// if necessary
1731 // and check DNS to see if it's real
1732 // return true if it's OK, false if something is wrong with it
1734 if(! function_exists('validate_url')) {
1735 function validate_url(&$url) {
1736 if(substr($url,0,4) != 'http')
1737 $url = 'http://' . $url;
1738 $h = @parse_url($url);
1740 if(($h) && (dns_get_record($h['host'], DNS_A + DNS_CNAME + DNS_PTR))) {
1746 // checks that email is an actual resolvable internet address
1748 if(! function_exists('validate_email')) {
1749 function validate_email($addr) {
1751 if(! strpos($addr,'@'))
1753 $h = substr($addr,strpos($addr,'@') + 1);
1755 if(($h) && (dns_get_record($h, DNS_A + DNS_CNAME + DNS_PTR + DNS_MX))) {
1761 // Check $url against our list of allowed sites,
1762 // wildcards allowed. If allowed_sites is unset return true;
1763 // If url is allowed, return true.
1764 // otherwise, return false
1766 if(! function_exists('allowed_url')) {
1767 function allowed_url($url) {
1769 $h = @parse_url($url);
1775 $str_allowed = get_config('system','allowed_sites');
1781 $host = strtolower($h['host']);
1783 // always allow our own site
1785 if($host == strtolower($_SERVER['SERVER_NAME']))
1788 $fnmatch = function_exists('fnmatch');
1789 $allowed = explode(',',$str_allowed);
1791 if(count($allowed)) {
1792 foreach($allowed as $a) {
1793 $pat = strtolower(trim($a));
1794 if(($fnmatch && fnmatch($pat,$host)) || ($pat == $host)) {
1803 // check if email address is allowed to register here.
1804 // Compare against our list (wildcards allowed).
1805 // Returns false if not allowed, true if allowed or if
1806 // allowed list is not configured.
1808 if(! function_exists('allowed_email')) {
1809 function allowed_email($email) {
1812 $domain = strtolower(substr($email,strpos($email,'@') + 1));
1816 $str_allowed = get_config('system','allowed_email');
1822 $fnmatch = function_exists('fnmatch');
1823 $allowed = explode(',',$str_allowed);
1825 if(count($allowed)) {
1826 foreach($allowed as $a) {
1827 $pat = strtolower(trim($a));
1828 if(($fnmatch && fnmatch($pat,$domain)) || ($pat == $domain)) {
1837 // Format the like/dislike text for a profile item
1838 // $cnt = number of people who like/dislike the item
1839 // $arr = array of pre-linked names of likers/dislikers
1840 // $type = one of 'like, 'dislike'
1842 // returns formatted text
1844 if(! function_exists('format_like')) {
1845 function format_like($cnt,$arr,$type,$id) {
1848 $o .= (($type === 'like') ? sprintf( t('%s likes this.'), $arr[0]) : sprintf( t('%s doesn\'t like this.'), $arr[0])) . EOL ;
1850 $spanatts = 'class="fakelink" onclick="openClose(\'' . $type . 'list-' . $id . '\');"';
1851 $o .= (($type === 'like') ?
1852 sprintf( t('<span %1$s>%2$d people</span> like this.'), $spanatts, $cnt)
1854 sprintf( t('<span %1$s>%2$d people</span> don\'t like this.'), $spanatts, $cnt) );
1856 $total = count($arr);
1857 if($total >= MAX_LIKERS)
1858 $arr = array_slice($arr, 0, MAX_LIKERS - 1);
1859 if($total < MAX_LIKERS)
1860 $arr[count($arr)-1] = t('and') . ' ' . $arr[count($arr)-1];
1861 $str = implode(', ', $arr);
1862 if($total >= MAX_LIKERS)
1863 $str .= sprintf( t(', and %d other people'), $total - MAX_LIKERS );
1864 $str = (($type === 'like') ? sprintf( t('%s like this.'), $str) : sprintf( t('%s don\'t like this.'), $str));
1865 $o .= "\t" . '<div id="' . $type . 'list-' . $id . '" style="display: none;" >' . $str . '</div>';
1871 // wrapper to load a view template, checking for alternate
1872 // languages before falling back to the default
1874 if(! function_exists('load_view_file')) {
1875 function load_view_file($s) {
1881 if(file_exists("$d/$lang/$b"))
1882 return file_get_contents("$d/$lang/$b");
1883 return file_get_contents($s);
1886 // for html,xml parsing - let's say you've got
1887 // an attribute foobar="class1 class2 class3"
1888 // and you want to find out if it contains 'class3'.
1889 // you can't use a normal sub string search because you
1890 // might match 'notclass3' and a regex to do the job is
1891 // possible but a bit complicated.
1892 // pass the attribute string as $attr and the attribute you
1893 // are looking for as $s - returns true if found, otherwise false
1895 if(! function_exists('attribute_contains')) {
1896 function attribute_contains($attr,$s) {
1897 $a = explode(' ', $attr);
1898 if(count($a) && in_array($s,$a))
1903 if(! function_exists('logger')) {
1904 function logger($msg,$level = 0) {
1905 $debugging = get_config('system','debugging');
1906 $loglevel = intval(get_config('system','loglevel'));
1907 $logfile = get_config('system','logfile');
1909 if((! $debugging) || (! $logfile) || ($level > $loglevel))
1912 @file_put_contents($logfile, datetime_convert() . ':' . session_id() . ' ' . $msg . "\n", FILE_APPEND);
1917 if(! function_exists('activity_match')) {
1918 function activity_match($haystack,$needle) {
1919 if(($haystack === $needle) || ((basename($needle) === $haystack) && strstr($needle,NAMESPACE_ACTIVITY_SCHEMA)))
1925 // Pull out all #hashtags and @person tags from $s;
1926 // We also get @person@domain.com - which would make
1927 // the regex quite complicated as tags can also
1928 // end a sentence. So we'll run through our results
1929 // and strip the period from any tags which end with one.
1930 // Returns array of tags found, or empty array.
1933 if(! function_exists('get_tags')) {
1934 function get_tags($s) {
1937 // ignore anything in a code block
1939 $s = preg_replace('/\[code\](.*?)\[\/code\]/sm','',$s);
1941 if(preg_match_all('/([@#][^ \x0D\x0A,:?]+)([ \x0D\x0A,:?]|$)/',$s,$match)) {
1942 foreach($match[1] as $match) {
1943 if(strstr($match,"]")) {
1944 // we might be inside a bbcode color tag - leave it alone
1947 if(substr($match,-1,1) === '.')
1948 $ret[] = substr($match,0,-1);
1958 // quick and dirty quoted_printable encoding
1960 if(! function_exists('qp')) {
1962 return str_replace ("%","=",rawurlencode($s));
1966 if(! function_exists('like_puller')) {
1967 function like_puller($a,$item,&$arr,$mode) {
1971 $verb = (($mode === 'like') ? ACTIVITY_LIKE : ACTIVITY_DISLIKE);
1973 if((activity_match($item['verb'],$verb)) && ($item['id'] != $item['parent'])) {
1974 $url = $item['author-link'];
1975 if((local_user()) && (local_user() == $item['uid']) && ($item['network'] === 'dfrn') && (! $item['self']) && (link_compare($item['author-link'],$item['url']))) {
1976 $url = $a->get_baseurl() . '/redir/' . $item['contact-id'];
1977 $sparkle = ' class="sparkle" ';
1979 if(! ((isset($arr[$item['parent'] . '-l'])) && (is_array($arr[$item['parent'] . '-l']))))
1980 $arr[$item['parent'] . '-l'] = array();
1981 if(! isset($arr[$item['parent']]))
1982 $arr[$item['parent']] = 1;
1984 $arr[$item['parent']] ++;
1985 $arr[$item['parent'] . '-l'][] = '<a href="'. $url . '"'. $sparkle .'>' . $item['author-name'] . '</a>';
1990 if(! function_exists('get_mentions')) {
1991 function get_mentions($item) {
1993 if(! strlen($item['tag']))
1996 $arr = explode(',',$item['tag']);
1997 foreach($arr as $x) {
1999 if(preg_match('/@\[url=([^\]]*)\]/',$x,$matches)) {
2000 $o .= "\t\t" . '<link rel="mentioned" href="' . $matches[1] . '" />' . "\r\n";
2001 $o .= "\t\t" . '<link rel="ostatus:attention" href="' . $matches[1] . '" />' . "\r\n";
2007 if(! function_exists('contact_block')) {
2008 function contact_block() {
2012 $shown = get_pconfig($a->profile['uid'],'system','display_friend_count');
2016 if((! is_array($a->profile)) || ($a->profile['hide-friends']))
2018 $r = q("SELECT COUNT(*) AS `total` FROM `contact` WHERE `uid` = %d AND `self` = 0 AND `blocked` = 0 and `pending` = 0",
2019 intval($a->profile['uid'])
2022 $total = intval($r[0]['total']);
2025 $o .= '<h4 class="contact-h4">' . t('No contacts') . '</h4>';
2028 $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 0 AND `blocked` = 0 and `pending` = 0 ORDER BY RAND() LIMIT %d",
2029 intval($a->profile['uid']),
2033 $o .= '<h4 class="contact-h4">' . sprintf( tt('%d Contact','%d Contacts', $total),$total) . '</h4><div id="contact-block">';
2034 foreach($r as $rr) {
2035 $redirect_url = $a->get_baseurl() . '/redir/' . $rr['id'];
2036 if(local_user() && ($rr['uid'] == local_user())
2037 && ($rr['network'] === 'dfrn')) {
2038 $url = $redirect_url;
2039 $sparkle = ' sparkle';
2046 $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";
2048 $o .= '</div><div id="contact-block-end"></div>';
2049 $o .= '<div id="viewcontacts"><a id="viewcontacts-link" href="viewcontacts/' . $a->profile['nickname'] . '">' . t('View Contacts') . '</a></div>';
2053 $arr = array('contacts' => $r, 'output' => $o);
2055 call_hooks('contact_block_end', $arr);
2060 if(! function_exists('search')) {
2061 function search($s) {
2063 $o = '<div id="search-box">';
2064 $o .= '<form action="' . $a->get_baseurl() . '/search' . '" method="get" >';
2065 $o .= '<input type="text" name="search" id="search-text" value="' . $s .'" />';
2066 $o .= '<input type="submit" name="submit" id="search-submit" value="' . t('Search') . '" />';
2067 $o .= '</form></div>';
2071 if(! function_exists('valid_email')) {
2072 function valid_email($x){
2073 if(preg_match('/^[_a-zA-Z0-9-]+(\.[_a-zA-Z0-9-]+)*@[a-zA-Z0-9-]+(\.[a-zA-Z0-9-]+)+$/',$x))
2079 if(! function_exists('gravatar_img')) {
2080 function gravatar_img($email) {
2082 $opt = 'identicon'; // psuedo-random geometric pattern if not found
2084 $hash = md5(trim(strtolower($email)));
2086 $url = 'http://www.gravatar.com/avatar/' . $hash . '.jpg'
2087 . '?s=' . $size . '&d=' . $opt . '&r=' . $rating;
2089 logger('gravatar: ' . $email . ' ' . $url);
2093 if(! function_exists('aes_decrypt')) {
2094 function aes_decrypt($val,$ky)
2096 $key="\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
2097 for($a=0;$a<strlen($ky);$a++)
2098 $key[$a%16]=chr(ord($key[$a%16]) ^ ord($ky[$a]));
2099 $mode = MCRYPT_MODE_ECB;
2100 $enc = MCRYPT_RIJNDAEL_128;
2101 $dec = @mcrypt_decrypt($enc, $key, $val, $mode, @mcrypt_create_iv( @mcrypt_get_iv_size($enc, $mode), MCRYPT_DEV_URANDOM ) );
2102 return rtrim($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));
2106 if(! function_exists('aes_encrypt')) {
2107 function aes_encrypt($val,$ky)
2109 $key="\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
2110 for($a=0;$a<strlen($ky);$a++)
2111 $key[$a%16]=chr(ord($key[$a%16]) ^ ord($ky[$a]));
2112 $mode=MCRYPT_MODE_ECB;
2113 $enc=MCRYPT_RIJNDAEL_128;
2114 $val=str_pad($val, (16*(floor(strlen($val) / 16)+(strlen($val) % 16==0?2:1))), chr(16-(strlen($val) % 16)));
2115 return mcrypt_encrypt($enc, $key, $val, $mode, mcrypt_create_iv( mcrypt_get_iv_size($enc, $mode), MCRYPT_DEV_URANDOM));
2123 * Replace naked text hyperlink with HTML formatted hyperlink
2127 if(! function_exists('linkify')) {
2128 function linkify($s) {
2129 $s = preg_replace("/(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\.\=\_\~\#\'\%\$\!\+]*)/", ' <a href="$1" target="external-link">$1</a>', $s);
2139 * Replaces text emoticons with graphical images
2141 * @Parameter: string $s
2146 if(! function_exists('smilies')) {
2147 function smilies($s) {
2151 array( '<3', '</3', '<\\3', ':-)', ';-)', ':-(', ':(', ':-P', ':-"', ':-x', ':-X', ':-D', '8-|', '8-O'),
2153 '<img src="' . $a->get_baseurl() . '/images/smiley-heart.gif" alt="<3" />',
2154 '<img src="' . $a->get_baseurl() . '/images/smiley-brokenheart.gif" alt="</3" />',
2155 '<img src="' . $a->get_baseurl() . '/images/smiley-brokenheart.gif" alt="<\\3" />',
2156 '<img src="' . $a->get_baseurl() . '/images/smiley-smile.gif" alt=":-)" />',
2157 '<img src="' . $a->get_baseurl() . '/images/smiley-wink.gif" alt=";-)" />',
2158 '<img src="' . $a->get_baseurl() . '/images/smiley-frown.gif" alt=":-(" />',
2159 '<img src="' . $a->get_baseurl() . '/images/smiley-frown.gif" alt=":(" />',
2160 '<img src="' . $a->get_baseurl() . '/images/smiley-tongue-out.gif" alt=":-P" />',
2161 '<img src="' . $a->get_baseurl() . '/images/smiley-kiss.gif" alt=":-\"" />',
2162 '<img src="' . $a->get_baseurl() . '/images/smiley-kiss.gif" alt=":-x" />',
2163 '<img src="' . $a->get_baseurl() . '/images/smiley-kiss.gif" alt=":-X" />',
2164 '<img src="' . $a->get_baseurl() . '/images/smiley-laughing.gif" alt=":-D" />',
2165 '<img src="' . $a->get_baseurl() . '/images/smiley-surprised.gif" alt="8-|" />',
2166 '<img src="' . $a->get_baseurl() . '/images/smiley-surprised.gif" alt="8-O" />'
2173 * Function : profile_load
2175 * @parameter string $nickname
2176 * @parameter int $profile
2178 * Summary: Loads a profile into the page sidebar.
2179 * The function requires a writeable copy of the main App structure, and the nickname
2180 * of a registered local account.
2182 * If the viewer is an authenticated remote viewer, the profile displayed is the
2183 * one that has been configured for his/her viewing in the Contact manager.
2184 * Passing a non-zero profile ID can also allow a preview of a selected profile
2187 * Profile information is placed in the App structure for later retrieval.
2188 * Honours the owner's chosen theme for display.
2192 if(! function_exists('profile_load')) {
2193 function profile_load(&$a, $nickname, $profile = 0) {
2195 $r = q("SELECT `profile-id` FROM `contact` WHERE `id` = %d LIMIT 1",
2196 intval($_SESSION['visitor_id']));
2198 $profile = $r[0]['profile-id'];
2204 $profile_int = intval($profile);
2205 $r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `user`.* FROM `profile`
2206 LEFT JOIN `user` ON `profile`.`uid` = `user`.`uid`
2207 WHERE `user`.`nickname` = '%s' AND `profile`.`id` = %d LIMIT 1",
2209 intval($profile_int)
2213 $r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `user`.* FROM `profile`
2214 LEFT JOIN `user` ON `profile`.`uid` = `user`.`uid`
2215 WHERE `user`.`nickname` = '%s' AND `profile`.`is-default` = 1 LIMIT 1",
2220 if(($r === false) || (! count($r))) {
2221 notice( t('No profile') . EOL );
2226 $a->profile = $r[0];
2229 $a->page['title'] = $a->profile['name'] . " @ " . $a->config['sitename'];
2230 $_SESSION['theme'] = $a->profile['theme'];
2232 if(! (x($a->page,'aside')))
2233 $a->page['aside'] = '';
2235 $a->page['aside'] .= profile_sidebar($a->profile);
2236 $a->page['aside'] .= contact_block();
2244 * Function: profile_sidebar
2246 * Formats a profile for display in the sidebar.
2247 * It is very difficult to templatise the HTML completely
2248 * because of all the conditional logic.
2250 * @parameter: array $profile
2252 * Returns HTML string stuitable for sidebar inclusion
2253 * Exceptions: Returns empty string if passed $profile is wrong type or not populated
2258 if(! function_exists('profile_sidebar')) {
2259 function profile_sidebar($profile) {
2265 if((! is_array($profile)) && (! count($profile)))
2268 call_hooks('profile_sidebar_enter', $profile);
2270 $fullname = '<div class="fn">' . $profile['name'] . '</div>';
2272 $pdesc = '<div class="title">' . $profile['pdesc'] . '</div>';
2276 $photo = '<div id="profile-photo-wrapper"><img class="photo" src="' . $profile['photo'] . '" alt="' . $profile['name'] . '" /></div>';
2278 $connect = (($profile['uid'] != local_user()) ? '<li><a id="dfrn-request-link" href="dfrn_request/' . $profile['nickname'] . '">' . t('Connect') . '</a></li>' : '');
2280 if((x($profile,'address') == 1)
2281 || (x($profile,'locality') == 1)
2282 || (x($profile,'region') == 1)
2283 || (x($profile,'postal-code') == 1)
2284 || (x($profile,'country-name') == 1))
2288 $location .= '<div class="location"><span class="location-label">' . t('Location:') . '</span> <div class="adr">';
2289 $location .= ((x($profile,'address') == 1) ? '<div class="street-address">' . $profile['address'] . '</div>' : '');
2290 $location .= (((x($profile,'locality') == 1) || (x($profile,'region') == 1) || (x($profile,'postal-code') == 1))
2291 ? '<span class="city-state-zip"><span class="locality">' . $profile['locality'] . '</span>'
2292 . ((x($profile['locality']) == 1) ? t(', ') : '')
2293 . '<span class="region">' . $profile['region'] . '</span>'
2294 . ' <span class="postal-code">' . $profile['postal-code'] . '</span></span>' : '');
2295 $location .= ((x($profile,'country-name') == 1) ? ' <span class="country-name">' . $profile['country-name'] . '</span>' : '');
2296 $location .= '</div></div><div class="profile-clear"></div>';
2300 $gender = ((x($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>' : '');
2302 $pubkey = ((x($profile,'pubkey') == 1) ? '<div class="key" style="display:none;">' . $profile['pubkey'] . '</div>' : '');
2304 $marital = ((x($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><div class="profile-clear"></div>' : '');
2306 $homepage = ((x($profile,'homepage') == 1) ? '<div class="homepage"><span class="homepage-label">' . t('Homepage:') . ' </span><span class="homepage-url">' . linkify($profile['homepage']) . '</span></div></div><div class="profile-clear"></div>' : '');
2308 $tpl = load_view_file('view/profile_vcard.tpl');
2310 $o .= replace_macros($tpl, array(
2311 '$fullname' => $fullname,
2315 '$connect' => $connect,
2316 '$location' => $location,
2317 '$gender' => $gender,
2318 '$pubkey' => $pubkey,
2319 '$marital' => $marital,
2320 '$homepage' => $homepage
2324 $arr = array('profile' => $profile, 'entry' => $o);
2326 call_hooks('profile_sidebar', $arr);
2332 if(! function_exists('register_hook')) {
2333 function register_hook($hook,$file,$function) {
2335 $r = q("SELECT * FROM `hook` WHERE `hook` = '%s' AND `file` = '%s' AND `function` = '%s' LIMIT 1",
2343 $r = q("INSERT INTO `hook` (`hook`, `file`, `function`) VALUES ( '%s', '%s', '%s' ) ",
2351 if(! function_exists('unregister_hook')) {
2352 function unregister_hook($hook,$file,$function) {
2354 $r = q("DELETE FROM `hook` WHERE `hook` = '%s' AND `file` = '%s' AND `function` = '%s' LIMIT 1",
2363 if(! function_exists('load_hooks')) {
2364 function load_hooks() {
2366 $a->hooks = array();
2367 $r = q("SELECT * FROM `hook` WHERE 1");
2369 foreach($r as $rr) {
2370 $a->hooks[] = array($rr['hook'], $rr['file'], $rr['function']);
2376 if(! function_exists('call_hooks')) {
2377 function call_hooks($name, &$data = null) {
2380 if(count($a->hooks)) {
2381 foreach($a->hooks as $hook) {
2382 if($hook[HOOK_HOOK] === $name) {
2383 @include_once($hook[HOOK_FILE]);
2384 if(function_exists($hook[HOOK_FUNCTION])) {
2385 $func = $hook[HOOK_FUNCTION];
2394 if(! function_exists('day_translate')) {
2395 function day_translate($s) {
2396 $ret = str_replace(array('Monday','Tuesday','Wednesday','Thursday','Friday','Saturday','Sunday'),
2397 array( t('Monday'), t('Tuesday'), t('Wednesday'), t('Thursday'), t('Friday'), t('Saturday'), t('Sunday')),
2400 $ret = str_replace(array('January','February','March','April','May','June','July','August','September','October','November','December'),
2401 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')),
2407 if(! function_exists('get_birthdays')) {
2408 function get_birthdays() {
2416 $bd_format = t('g A l F d') ; // 8 AM Friday January 18
2418 $r = q("SELECT `event`.*, `event`.`id` AS `eid`, `contact`.* FROM `event`
2419 LEFT JOIN `contact` ON `contact`.`id` = `event`.`cid`
2420 WHERE `event`.`uid` = %d AND `type` = 'birthday' AND `start` < '%s' AND `finish` > '%s'
2421 ORDER BY `start` DESC ",
2422 intval(local_user()),
2423 dbesc(datetime_convert('UTC','UTC','now + 6 days')),
2424 dbesc(datetime_convert('UTC','UTC','now'))
2427 if($r && count($r)) {
2430 if(strlen($rr['name']))
2433 $o .= '<div id="birthday-notice" class="birthday-notice fakelink" onclick=openClose(\'birthday-wrapper\'); >' . t('Birthday Reminders') . ' ' . '(' . $total . ')' . '</div>';
2434 $o .= '<div id="birthday-wrapper" style="display: none;" ><div id="birthday-title">' . t('Birthdays this week:') . '</div>';
2435 $o .= '<div id="birthday-adjust">' . t("\x28Adjusted for local time\x29") . '</div>';
2436 $o .= '<div id="birthday-title-end"></div>';
2438 foreach($r as $rr) {
2439 if(! strlen($rr['name']))
2441 $now = strtotime('now');
2442 $today = (((strtotime($rr['start'] . ' +00:00') < $now) && (strtotime($rr['finish'] . ' +00:00') > $now)) ? true : false);
2444 $o .= '<div class="birthday-list" id="birthday-' . $rr['eid'] . '"><a class="sparkle" href="'
2445 . $a->get_baseurl() . '/redir/' . $rr['cid'] . '">' . $rr['name'] . '</a> '
2446 . day_translate(datetime_convert('UTC', $a->timezone, $rr['start'], $bd_format)) . (($today) ? ' ' . t('[today]') : '')
2450 $o .= '</div></div>';
2459 * Compare two URLs to see if they are the same, but ignore
2460 * slight but hopefully insignificant differences such as if one
2461 * is https and the other isn't, or if one is www.something and
2462 * the other isn't - and also ignore case differences.
2464 * Return true if the URLs match, otherwise false.
2468 if(! function_exists('link_compare')) {
2469 function link_compare($a,$b) {
2470 $a1 = str_replace(array('https:','//www.'), array('http:','//'), $a);
2471 $b1 = str_replace(array('https:','//www.'), array('http:','//'), $b);
2472 if(strcasecmp($a1,$b1) === 0)
2478 if(! function_exists('prepare_body')) {
2479 function prepare_body($item) {
2480 return prepare_text($item['body']);
2483 if(! function_exists('prepare_text')) {
2484 function prepare_text($text) {
2486 require_once('include/bbcode.php');
2488 $s = smilies(bbcode($text));
2495 * Wrap calls to proc_close(proc_open()) and call hook
2496 * so plugins can take part in process :)
2499 * $cmd program to run
2500 * next args are passed as $cmd command line
2502 * e.g.: proc_run("ls","-la","/tmp");
2504 * $cmd and string args are surrounded with ""
2507 if(! function_exists('proc_run')) {
2508 function proc_run($cmd){
2512 $args = func_get_args();
2513 call_hooks("proc_run", $args);
2515 if(count($args) && $args[0] === 'php')
2516 $args[0] = ((x($a->config,'php_path')) && (strlen($a->config['php_path'])) ? $a->config['php_path'] : 'php');
2518 foreach ($args as $arg){
2519 $arg = escapeshellarg($arg);
2521 $cmdline = implode($args," ");
2522 proc_close(proc_open($cmdline." &",array(),$foo));
2526 * Return full URL to theme which is currently in effect.
2527 * Provide a sane default if nothing is chosen or the specified theme does not exist.
2530 if(! function_exists('current_theme_url')) {
2531 function current_theme_url() {
2533 $app_base_themes = array('duepuntozero', 'loozah');
2537 $system_theme = ((isset($a->config['system']['theme'])) ? $a->config['system']['theme'] : '');
2538 $theme_name = ((x($_SESSION,'theme')) ? $_SESSION['theme'] : $system_theme);
2540 if($theme_name && file_exists('view/theme/' . $theme_name . '/style.css'))
2541 return($a->get_baseurl() . '/view/theme/' . $theme_name . '/style.css');
2543 foreach($app_base_themes as $t) {
2544 if(file_exists('view/theme/' . $t . '/style.css'))
2545 return($a->get_baseurl() . '/view/theme/' . $t . '/style.css');
2548 $fallback = glob('view/theme/*/style.css');
2549 if(count($fallback))
2550 return($a->get_baseurl() . $fallback[0]);
2555 if(! function_exists('feed_birthday')) {
2556 function feed_birthday($uid,$tz) {
2560 * Determine the next birthday, but only if the birthday is published
2561 * in the default profile. We _could_ also look for a private profile that the
2562 * recipient can see, but somebody could get mad at us if they start getting
2563 * public birthday greetings when they haven't made this info public.
2565 * Assuming we are able to publish this info, we are then going to convert
2566 * the start time from the owner's timezone to UTC.
2568 * This will potentially solve the problem found with some social networks
2569 * where birthdays are converted to the viewer's timezone and salutations from
2570 * elsewhere in the world show up on the wrong day. We will convert it to the
2571 * viewer's timezone also, but first we are going to convert it from the birthday
2572 * person's timezone to GMT - so the viewer may find the birthday starting at
2573 * 6:00PM the day before, but that will correspond to midnight to the birthday person.
2579 $p = q("SELECT `dob` FROM `profile` WHERE `is-default` = 1 AND `uid` = %d LIMIT 1",
2583 if($p && count($p)) {
2584 $tmp_dob = substr($p[0]['dob'],5);
2585 if(intval($tmp_dob)) {
2586 $y = datetime_convert($tz,$tz,'now','Y');
2587 $bd = $y . '-' . $tmp_dob . ' 00:00';
2588 $t_dob = strtotime($bd);
2589 $now = strtotime(datetime_convert($tz,$tz,'now'));
2591 $bd = $y + 1 . '-' . $tmp_dob . ' 00:00';
2592 $birthday = datetime_convert($tz,'UTC',$bd,ATOM_TIME);
2600 * return atom link elements for all of our hubs
2603 if(! function_exists('feed_hublinks')) {
2604 function feed_hublinks() {
2606 $hub = get_config('system','huburl');
2610 $hubs = explode(',', $hub);
2612 foreach($hubs as $h) {
2616 $hubxml .= '<link rel="hub" href="' . xmlify($h) . '" />' . "\n" ;
2623 /* return atom link elements for salmon endpoints */
2625 if(! function_exists('feed_salmonlinks')) {
2626 function feed_salmonlinks($nick) {
2630 $salmon = '<link rel="salmon" href="' . xmlify($a->get_baseurl() . '/salmon/' . $nick) . '" />' . "\n" ;
2632 // old style links that status.net still needed as of 12/2010
2634 $salmon .= ' <link rel="http://salmon-protocol.org/ns/salmon-replies" href="' . xmlify($a->get_baseurl() . '/salmon/' . $nick) . '" />' . "\n" ;
2635 $salmon .= ' <link rel="http://salmon-protocol.org/ns/salmon-mention" href="' . xmlify($a->get_baseurl() . '/salmon/' . $nick) . '" />' . "\n" ;
2639 if(! function_exists('get_plink')) {
2640 function get_plink($item) {
2642 $plink = (((x($item,'plink')) && (! $item['private'])) ? '<div class="wall-item-links-wrapper"><a href="'
2643 . $item['plink'] . '" title="' . t('link to source') . '" target="external-link" ><img src="' . $a->get_baseurl() . '/images/remote-link.gif" alt="' . t('link to source') . '" /></a></div>' : '');
2647 if(! function_exists('unamp')) {
2648 function unamp($s) {
2649 return str_replace('&', '&', $s);
2652 if(! function_exists('extract_item_authors')) {
2653 function extract_item_authors($arr,$uid) {
2655 if((! $uid) || (! is_array($arr)) || (! count($arr)))
2658 foreach($arr as $rr) {
2659 if(! in_array("'" . dbesc($rr['author-link']) . "'",$urls))
2660 $urls[] = "'" . dbesc($rr['author-link']) . "'";
2663 // pre-quoted, don't put quotes on %s
2665 $r = q("SELECT `id`,`url` FROM `contact` WHERE `uid` = %d AND `url` IN ( %s ) AND `network` = 'dfrn' AND `self` = 0 AND `blocked` = 0 ",
2672 $ret[$rr['url']] = $rr['id'];
2679 if(! function_exists('item_photo_menu')){
2680 function item_photo_menu($item){
2683 if (!isset($a->authors)){
2684 $rr = q("SELECT id, network, url FROM contact WHERE uid=%d AND self!=1", intval(local_user()));
2686 foreach($rr as $r) $authors[$r['url']]= $r;
2687 $a->authors = $authors;
2695 $profile_link = ((strlen($item['author-link'])) ? $item['author-link'] : $item['url']);
2696 $redirect_url = $a->get_baseurl() . '/redir/' . $item['cid'] ;
2698 // $item['contact-uid'] is only set on profile page and indicates the uid of the user who owns the profile.
2700 $profile_owner = ((x($item,'contact-uid')) && intval($item['contact-uid']) ? intval($item['contact-uid']) : 0);
2702 // So we are checking that this is a logged in user on some page that *isn't* a profile page
2703 // OR a profile page where the viewer owns the profile.
2704 // Then check if we can use a sparkle (redirect) link to the profile by virtue of it being our contact
2705 // or a friend's contact that we both have a connection to.
2707 if((local_user() && ($profile_owner == 0))
2708 || ($profile_owner && $profile_owner == local_user())) {
2710 if(strlen($item['author-link']) && link_compare($item['author-link'],$item['url']))
2711 $redir = $redirect_url;
2712 elseif(isset($a->authors[$item['author-link']])) {
2713 $redir = $a->get_baseurl() . '/redir/' . $a->authors[$item['author-link']]['id'];
2714 $cid = $a->authors[$item['author-link']]['id'];
2717 if($item['network'] === 'dfrn' && (! $item['self'])) {
2718 $status_link = $redir . "?url=status";
2719 $profile_link = $redir . "?url=profile";
2720 $photos_link = $redir . "?url=photos";
2721 $pm_url = $a->get_baseurl() . '/message/new/' . $cid;
2724 $contact_url = $item['self']?"":$a->get_baseurl() . '/contacts/' . (($item['cid']) ? $item['cid'] : $cid);
2729 t("View status") => $status_link,
2730 t("View profile") => $profile_link,
2731 t("View photos") => $photos_link,
2732 t("Edit contact") => $contact_url,
2733 t("Send PM") => $pm_url,
2737 $args = array($item, &$menu);
2739 call_hooks('item_photo_menu', $args);
2742 foreach($menu as $k=>$v){
2743 if ($v!="") $o .= "<li><a href='$v'>$k</a></li>\n";
2748 if(! function_exists('lang_selector')) {
2749 function lang_selector() {
2751 $o .= '<div id="language-selector" style="display: none;" >';
2752 $o .= '<form action="" method="post" ><select name="system_language" onchange="this.form.submit();" >';
2753 $langs = glob('view/*/strings.php');
2754 if(is_array($langs) && count($langs)) {
2755 if(! in_array('view/en/strings.php',$langs))
2756 $langs[] = 'view/en/';
2757 foreach($langs as $l) {
2759 $ll = substr($ll,0,strrpos($ll,'/'));
2760 $selected = (($ll === $lang) ? ' selected="selected" ' : '');
2761 $o .= '<option value="' . $ll . '"' . $selected . '>' . $ll . '</option>';
2764 $o .= '</select></form></div>';
2769 if(! function_exists('parse_xml_string')) {
2770 function parse_xml_string($s) {
2771 if(! strstr($s,'<?xml'))
2773 $s2 = substr($s,strpos($s,'<?xml'));
2774 libxml_use_internal_errors(true);
2775 $x = @simplexml_load_string($s2);
2776 if(count(libxml_get_errors()))
2777 foreach(libxml_get_errors() as $err)
2778 logger('libxml: parse: ' . $err, LOGGER_DATA);
2779 libxml_clear_errors();