5 define ( 'BUILD_ID', 1039 );
6 define ( 'FRIENDIKA_VERSION', '2.10.0910' );
7 define ( 'DFRN_PROTOCOL_VERSION', '2.1' );
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);
167 * Our main application structure for the life of this page
168 * Primarily deals with the URL that got us here
169 * and tries to make some sense of it, and
170 * stores our page contents and config storage
171 * and anything else that might need to be passed around
172 * before we spit the page out.
176 if(! class_exists('App')) {
179 public $module_loaded = false;
180 public $query_string;
189 public $error = false;
199 public $interactive = true;
210 private $curl_headers;
212 function __construct() {
214 $this->config = array();
215 $this->page = array();
216 $this->pager= array();
218 $this->query_string = '';
220 $this->scheme = ((isset($_SERVER['HTTPS']) && ($_SERVER['HTTPS'])) ? 'https' : 'http' );
222 if(x($_SERVER,'SERVER_NAME')) {
223 $this->hostname = $_SERVER['SERVER_NAME'];
226 * Figure out if we are running at the top of a domain
227 * or in a sub-directory and adjust accordingly
230 $path = trim(dirname($_SERVER['SCRIPT_NAME']),'/\\');
231 if(isset($path) && strlen($path) && ($path != $this->path))
235 set_include_path("include/$this->hostname" . PATH_SEPARATOR . 'include' . PATH_SEPARATOR . '.' );
237 if((x($_SERVER,'QUERY_STRING')) && substr($_SERVER['QUERY_STRING'],0,2) === "q=")
238 $this->query_string = substr($_SERVER['QUERY_STRING'],2);
240 $this->cmd = trim($_GET['q'],'/\\');
246 * Break the URL path into C style argc/argv style arguments for our
247 * modules. Given "http://example.com/module/arg1/arg2", $this->argc
248 * will be 3 (integer) and $this->argv will contain:
254 * There will always be one argument. If provided a naked domain
255 * URL, $this->argv[0] is set to "home".
259 $this->argv = explode('/',$this->cmd);
260 $this->argc = count($this->argv);
261 if((array_key_exists('0',$this->argv)) && strlen($this->argv[0])) {
262 $this->module = $this->argv[0];
265 $this->module = 'home';
269 * Special handling for the webfinger/lrdd host XRD file
270 * Just spit out the contents and exit.
273 if($this->cmd === '.well-known/host-meta') {
274 require_once('include/hostxrd.php');
275 hostxrd($this->hostname);
280 * See if there is any page number information, and initialise
284 $this->pager['page'] = ((x($_GET,'page')) ? $_GET['page'] : 1);
285 $this->pager['itemspage'] = 50;
286 $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
287 $this->pager['total'] = 0;
290 function get_baseurl($ssl = false) {
292 $scheme = $this->scheme;
294 if(x($this->config,'ssl_policy')) {
295 if(($ssl) || ($this->config['ssl_policy'] == SSL_POLICY_FULL))
297 if(($this->config['ssl_policy'] == SSL_POLICY_SELFSIGN) && (local_user() || x($_POST,'auth-params')))
301 $this->baseurl = $scheme . "://" . $this->hostname . ((isset($this->path) && strlen($this->path)) ? '/' . $this->path : '' );
302 return $this->baseurl;
305 function set_baseurl($url) {
306 $parsed = @parse_url($url);
308 $this->baseurl = $url;
311 $this->scheme = $parsed['scheme'];
313 $this->hostname = $parsed['host'];
314 if(x($parsed,'port'))
315 $this->hostname .= ':' . $parsed['port'];
316 if(x($parsed,'path'))
317 $this->path = trim($parsed['path'],'\\/');
322 function get_hostname() {
323 return $this->hostname;
326 function set_hostname($h) {
327 $this->hostname = $h;
330 function set_path($p) {
331 $this->path = trim(trim($p),'/');
334 function get_path() {
338 function set_pager_total($n) {
339 $this->pager['total'] = intval($n);
342 function set_pager_itemspage($n) {
343 $this->pager['itemspage'] = intval($n);
344 $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
348 function init_pagehead() {
349 $this->page['title'] = $this->config['sitename'];
350 $tpl = load_view_file("view/head.tpl");
351 $this->page['htmlhead'] = replace_macros($tpl,array(
352 '$baseurl' => $this->get_baseurl() . '/',
353 '$generator' => 'Friendika' . ' ' . FRIENDIKA_VERSION
357 function set_curl_code($code) {
358 $this->curl_code = $code;
361 function get_curl_code() {
362 return $this->curl_code;
365 function set_curl_headers($headers) {
366 $this->curl_headers = $headers;
369 function get_curl_headers() {
370 return $this->curl_headers;
376 // retrieve the App structure
377 // useful in functions which require it but don't get it passed to them
379 if(! function_exists('get_app')) {
386 // Multi-purpose function to check variable state.
387 // Usage: x($var) or $x($array,'key')
388 // returns false if variable/key is not set
389 // if variable is set, returns 1 if has 'non-zero' value, otherwise returns 0.
390 // e.g. x('') or x(0) returns 0;
392 if(! function_exists('x')) {
393 function x($s,$k = NULL) {
395 if((is_array($s)) && (array_key_exists($k,$s))) {
413 // called from db initialisation if db is dead.
415 if(! function_exists('system_unavailable')) {
416 function system_unavailable() {
417 include('system_unavailable.php');
422 // Primarily involved with database upgrade, but also sets the
423 // base url for use in cmdline programs which don't have
424 // $_SERVER variables, and synchronising the state of installed plugins.
427 if(! function_exists('check_config')) {
428 function check_config(&$a) {
431 load_config('system');
433 if(! x($_SERVER,'SERVER_NAME'))
436 $build = get_config('system','build');
438 $build = set_config('system','build',BUILD_ID);
440 $url = get_config('system','url');
442 $url = set_config('system','url',$a->get_baseurl());
444 if($build != BUILD_ID) {
445 $stored = intval($build);
446 $current = intval(BUILD_ID);
447 if(($stored < $current) && file_exists('update.php')) {
448 // We're reporting a different version than what is currently installed.
449 // Run any existing update scripts to bring the database up to current.
451 require_once('update.php');
452 for($x = $stored; $x < $current; $x ++) {
453 if(function_exists('update_' . $x)) {
454 $func = 'update_' . $x;
458 set_config('system','build', BUILD_ID);
464 * Synchronise plugins:
466 * $a->config['system']['addon'] contains a comma-separated list of names
467 * of plugins/addons which are used on this system.
468 * Go through the database list of already installed addons, and if we have
469 * an entry, but it isn't in the config list, call the uninstall procedure
470 * and mark it uninstalled in the database (for now we'll remove it).
471 * Then go through the config list and if we have a plugin that isn't installed,
472 * call the install procedure and add it to the database.
476 $r = q("SELECT * FROM `addon` WHERE `installed` = 1");
480 $installed = array();
482 $plugins = get_config('system','addon');
483 $plugins_arr = array();
486 $plugins_arr = explode(',',str_replace(' ', '',$plugins));
488 $a->plugins = $plugins_arr;
490 $installed_arr = array();
492 if(count($installed)) {
493 foreach($installed as $i) {
494 if(! in_array($i['name'],$plugins_arr)) {
495 logger("Addons: uninstalling " . $i['name']);
496 q("DELETE FROM `addon` WHERE `id` = %d LIMIT 1",
500 @include_once('addon/' . $i['name'] . '/' . $i['name'] . '.php');
501 if(function_exists($i['name'] . '_uninstall')) {
502 $func = $i['name'] . '_uninstall';
507 $installed_arr[] = $i['name'];
511 if(count($plugins_arr)) {
512 foreach($plugins_arr as $p) {
513 if(! in_array($p,$installed_arr)) {
514 logger("Addons: installing " . $p);
515 @include_once('addon/' . $p . '/' . $p . '.php');
516 if(function_exists($p . '_install')) {
517 $func = $p . '_install';
519 $r = q("INSERT INTO `addon` (`name`, `installed`) VALUES ( '%s', 1 ) ",
532 // This is our template processor.
533 // $s is the string requiring macro substitution.
534 // $r is an array of key value pairs (search => replace)
535 // returns substituted string.
536 // WARNING: this is pretty basic, and doesn't properly handle search strings that are substrings of each other.
537 // For instance if 'test' => "foo" and 'testing' => "bar", testing could become either bar or fooing,
538 // depending on the order in which they were declared in the array.
540 if(! function_exists('replace_macros')) {
541 function replace_macros($s,$r) {
546 if(is_array($r) && count($r)) {
547 foreach ($r as $k => $v ) {
552 return str_replace($search,$replace,$s);
556 // load string translation table for alternate language
558 if(! function_exists('load_translation_table')) {
559 function load_translation_table($lang) {
562 if(file_exists("view/$lang/strings.php"))
563 include("view/$lang/strings.php");
566 // translate string if translation exists
568 if(! function_exists('t')) {
573 if(x($a->strings,$s))
574 return $a->strings[$s];
578 // curl wrapper. If binary flag is true, return binary
581 if(! function_exists('fetch_url')) {
582 function fetch_url($url,$binary = false, &$redirects = 0) {
586 $ch = curl_init($url);
587 if(($redirects > 8) || (! $ch))
590 curl_setopt($ch, CURLOPT_HEADER, true);
591 curl_setopt($ch, CURLOPT_RETURNTRANSFER,true);
594 $curl_time = intval(get_config('system','curl_timeout'));
595 curl_setopt($ch, CURLOPT_TIMEOUT, (($curl_time !== false) ? $curl_time : 60));
597 // by default we will allow self-signed certs
598 // but you can override this
600 $check_cert = get_config('system','verifyssl');
601 curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, (($check_cert) ? true : false));
603 $prx = get_config('system','proxy');
605 curl_setopt($ch, CURLOPT_HTTPPROXYTUNNEL, 1);
606 curl_setopt($ch, CURLOPT_PROXY, $prx);
607 $prxusr = get_config('system','proxyuser');
609 curl_setopt($ch, CURLOPT_PROXYUSERPWD, $prxusr);
612 curl_setopt($ch, CURLOPT_BINARYTRANSFER,1);
614 $a->set_curl_code(0);
616 // don't let curl abort the entire application
617 // if it throws any errors.
619 $s = @curl_exec($ch);
621 $http_code = intval(curl_getinfo($ch, CURLINFO_HTTP_CODE));
622 $header = substr($s,0,strpos($s,"\r\n\r\n"));
623 if(stristr($header,'100') && (strlen($header) < 30)) {
624 // 100 Continue has two headers, get the real one
625 $s = substr($s,strlen($header)+4);
626 $header = substr($s,0,strpos($s,"\r\n\r\n"));
628 if($http_code == 301 || $http_code == 302 || $http_code == 303) {
630 preg_match('/(Location:|URI:)(.*?)\n/', $header, $matches);
631 $url = trim(array_pop($matches));
632 $url_parsed = @parse_url($url);
633 if (isset($url_parsed)) {
635 return fetch_url($url,$binary,$redirects);
638 $a->set_curl_code($http_code);
640 $body = substr($s,strlen($header)+4);
642 /* one more try to make sure there are no more headers */
644 if(strpos($body,'HTTP/') === 0) {
645 $header = substr($body,0,strpos($body,"\r\n\r\n"));
646 $body = substr($body,strlen($header)+4);
649 $a->set_curl_headers($header);
655 // post request to $url. $params is an array of post variables.
657 if(! function_exists('post_url')) {
658 function post_url($url,$params, $headers = null, &$redirects = 0) {
660 $ch = curl_init($url);
661 if(($redirects > 8) || (! $ch))
664 curl_setopt($ch, CURLOPT_HEADER, true);
665 curl_setopt($ch, CURLOPT_RETURNTRANSFER,true);
666 curl_setopt($ch, CURLOPT_POST,1);
667 curl_setopt($ch, CURLOPT_POSTFIELDS,$params);
669 $curl_time = intval(get_config('system','curl_timeout'));
670 curl_setopt($ch, CURLOPT_TIMEOUT, (($curl_time !== false) ? $curl_time : 60));
672 if(is_array($headers))
673 curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
675 $check_cert = get_config('system','verifyssl');
676 curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, (($check_cert) ? true : false));
677 $prx = get_config('system','proxy');
679 curl_setopt($ch, CURLOPT_HTTPPROXYTUNNEL, 1);
680 curl_setopt($ch, CURLOPT_PROXY, $prx);
681 $prxusr = get_config('system','proxyuser');
683 curl_setopt($ch, CURLOPT_PROXYUSERPWD, $prxusr);
686 $a->set_curl_code(0);
688 // don't let curl abort the entire application
689 // if it throws any errors.
691 $s = @curl_exec($ch);
693 $http_code = intval(curl_getinfo($ch, CURLINFO_HTTP_CODE));
694 $header = substr($s,0,strpos($s,"\r\n\r\n"));
695 if(stristr($header,'100') && (strlen($header) < 30)) {
696 // 100 Continue has two headers, get the real one
697 $s = substr($s,strlen($header)+4);
698 $header = substr($s,0,strpos($s,"\r\n\r\n"));
700 if($http_code == 301 || $http_code == 302 || $http_code == 303) {
702 preg_match('/(Location:|URI:)(.*?)\n/', $header, $matches);
703 $url = trim(array_pop($matches));
704 $url_parsed = @parse_url($url);
705 if (isset($url_parsed)) {
707 return post_url($url,$binary,$headers,$redirects);
710 $a->set_curl_code($http_code);
711 $body = substr($s,strlen($header)+4);
713 /* one more try to make sure there are no more headers */
715 if(strpos($body,'HTTP/') === 0) {
716 $header = substr($body,0,strpos($body,"\r\n\r\n"));
717 $body = substr($body,strlen($header)+4);
720 $a->set_curl_headers($header);
726 // random hash, 64 chars
728 if(! function_exists('random_string')) {
729 function random_string() {
730 return(hash('sha256',uniqid(rand(),true)));
734 * This is our primary input filter.
736 * The high bit hack only involved some old IE browser, forget which (IE5/Mac?)
737 * that had an XSS attack vector due to stripping the high-bit on an 8-bit character
738 * after cleansing, and angle chars with the high bit set could get through as markup.
740 * This is now disabled because it was interfering with some legitimate unicode sequences
741 * and hopefully there aren't a lot of those browsers left.
743 * Use this on any text input where angle chars are not valid or permitted
744 * They will be replaced with safer brackets. This may be filtered further
745 * if these are not allowed either.
749 if(! function_exists('notags')) {
750 function notags($string) {
752 return(str_replace(array("<",">"), array('[',']'), $string));
754 // High-bit filter no longer used
755 // return(str_replace(array("<",">","\xBA","\xBC","\xBE"), array('[',']','','',''), $string));
758 // use this on "body" or "content" input where angle chars shouldn't be removed,
759 // and allow them to be safely displayed.
761 if(! function_exists('escape_tags')) {
762 function escape_tags($string) {
764 return(htmlspecialchars($string));
767 // wrapper for adding a login box. If $register == true provide a registration
768 // link. This will most always depend on the value of $a->config['register_policy'].
769 // returns the complete html for inserting into the page
771 if(! function_exists('login')) {
772 function login($register = false) {
774 $register_tpl = (($register) ? load_view_file("view/register-link.tpl") : "");
776 $register_html = replace_macros($register_tpl,array(
777 '$title' => t('Create a New Account'),
778 '$desc' => t('Register')
781 $noid = get_config('system','no_openid');
783 $classname = 'no-openid';
784 $namelabel = t('Nickname or Email address: ');
785 $passlabel = t('Password: ');
789 $classname = 'openid';
790 $namelabel = t('Nickname/Email/OpenID: ');
791 $passlabel = t("Password \x28if not OpenID\x29: ");
794 $lostpass = t('Forgot your password?');
795 $lostlink = t('Password Reset');
798 $tpl = load_view_file("view/logout.tpl");
801 $tpl = load_view_file("view/login.tpl");
805 $o = replace_macros($tpl,array(
806 '$logout' => t('Logout'),
807 '$register_html' => $register_html,
808 '$classname' => $classname,
809 '$namelabel' => $namelabel,
810 '$passlabel' => $passlabel,
812 '$lostpass' => $lostpass,
813 '$lostlink' => $lostlink
819 // generate a string that's random, but usually pronounceable.
820 // used to generate initial passwords
822 if(! function_exists('autoname')) {
823 function autoname($len) {
825 $vowels = array('a','a','ai','au','e','e','e','ee','ea','i','ie','o','ou','u');
826 if(mt_rand(0,5) == 4)
844 's','sc','sh','sm','sp','st',
852 $midcons = array('ck','ct','gn','ld','lf','lm','lt','mb','mm', 'mn','mp',
853 'nd','ng','nk','nt','rn','rp','rt');
855 $noend = array('bl', 'br', 'cl','cr','dr','fl','fr','gl','gr',
856 'kh', 'kl','kr','mn','pl','pr','rh','tr','qu','wh');
858 $start = mt_rand(0,2);
866 for ($x = 0; $x < $len; $x ++) {
867 $r = mt_rand(0,count($table) - 1);
870 if($table == $vowels)
871 $table = array_merge($cons,$midcons);
877 $word = substr($word,0,$len);
879 foreach($noend as $noe) {
880 if((strlen($word) > 2) && (substr($word,-2) == $noe)) {
881 $word = substr($word,0,-1);
885 if(substr($word,-1) == 'q')
886 $word = substr($word,0,-1);
890 // Used to end the current process, after saving session state.
892 if(! function_exists('killme')) {
894 session_write_close();
898 // redirect to another URL and terminate this process.
900 if(! function_exists('goaway')) {
901 function goaway($s) {
902 header("Location: $s");
906 // Generic XML return
907 // Outputs a basic dfrn XML status structure to STDOUT, with a <status> variable
908 // of $st and an optional text <message> of $message and terminates the current process.
910 if(! function_exists('xml_status')) {
911 function xml_status($st, $message = '') {
913 $xml_message = ((strlen($message)) ? "\t<message>" . xmlify($message) . "</message>\r\n" : '');
916 logger('xml_status returning non_zero: ' . $st . " message=" . $message);
918 header( "Content-type: text/xml" );
919 echo '<?xml version="1.0" encoding="UTF-8"?>'."\r\n";
920 echo "<result>\r\n\t<status>$st</status>\r\n$xml_message</result>\r\n";
924 // Returns the uid of locally logged in user or false.
926 if(! function_exists('local_user')) {
927 function local_user() {
928 if((x($_SESSION,'authenticated')) && (x($_SESSION,'uid')))
929 return intval($_SESSION['uid']);
933 // Returns contact id of authenticated site visitor or false
935 if(! function_exists('remote_user')) {
936 function remote_user() {
937 if((x($_SESSION,'authenticated')) && (x($_SESSION,'visitor_id')))
938 return intval($_SESSION['visitor_id']);
942 // contents of $s are displayed prominently on the page the next time
943 // a page is loaded. Usually used for errors or alerts.
945 if(! function_exists('notice')) {
946 function notice($s) {
949 $_SESSION['sysmsg'] .= $s;
952 // wrapper around config to limit the text length of an incoming message
954 if(! function_exists('get_max_import_size')) {
955 function get_max_import_size() {
957 return ((x($a->config,'max_import_size')) ? $a->config['max_import_size'] : 0 );
961 // escape text ($str) for XML transport
962 // returns escaped text.
964 if(! function_exists('xmlify')) {
965 function xmlify($str) {
968 for($x = 0; $x < strlen($str); $x ++) {
998 $buffer = trim($buffer);
1003 // pass xml escaped text ($s), returns unescaped text
1005 if(! function_exists('unxmlify')) {
1006 function unxmlify($s) {
1007 $ret = str_replace('&','&', $s);
1008 $ret = str_replace(array('<','>','"','''),array('<','>','"',"'"),$ret);
1012 // convenience wrapper, reverse the operation "bin2hex"
1014 if(! function_exists('hex2bin')) {
1015 function hex2bin($s) {
1016 if(! ctype_xdigit($s)) {
1017 logger('hex2bin: illegal input: ' . print_r(debug_backtrace(), true));
1021 return(pack("H*",$s));
1024 // Automatic pagination.
1025 // To use, get the count of total items.
1026 // Then call $a->set_pager_total($number_items);
1027 // Optionally call $a->set_pager_itemspage($n) to the number of items to display on each page
1028 // Then call paginate($a) after the end of the display loop to insert the pager block on the page
1029 // (assuming there are enough items to paginate).
1030 // When using with SQL, the setting LIMIT %d, %d => $a->pager['start'],$a->pager['itemspage']
1031 // will limit the results to the correct items for the current page.
1032 // The actual page handling is then accomplished at the application layer.
1034 if(! function_exists('paginate')) {
1035 function paginate(&$a) {
1037 $stripped = preg_replace('/(&page=[0-9]*)/','',$a->query_string);
1038 $stripped = str_replace('q=','',$stripped);
1039 $stripped = trim($stripped,'/');
1040 $url = $a->get_baseurl() . '/' . $stripped;
1043 if($a->pager['total'] > $a->pager['itemspage']) {
1044 $o .= '<div class="pager">';
1045 if($a->pager['page'] != 1)
1046 $o .= '<span class="pager_prev">'."<a href=\"$url".'&page='.($a->pager['page'] - 1).'">' . t('prev') . '</a></span> ';
1048 $o .= "<span class=\"pager_first\"><a href=\"$url"."&page=1\">" . t('first') . "</a></span> ";
1050 $numpages = $a->pager['total'] / $a->pager['itemspage'];
1053 $numstop = $numpages;
1055 if($numpages > 14) {
1056 $numstart = (($pagenum > 7) ? ($pagenum - 7) : 1);
1057 $numstop = (($pagenum > ($numpages - 7)) ? $numpages : ($numstart + 14));
1060 for($i = $numstart; $i <= $numstop; $i++){
1061 if($i == $a->pager['page'])
1062 $o .= '<span class="pager_current">'.(($i < 10) ? ' '.$i : $i);
1064 $o .= "<span class=\"pager_n\"><a href=\"$url"."&page=$i\">".(($i < 10) ? ' '.$i : $i)."</a>";
1068 if(($a->pager['total'] % $a->pager['itemspage']) != 0) {
1069 if($i == $a->pager['page'])
1070 $o .= '<span class="pager_current">'.(($i < 10) ? ' '.$i : $i);
1072 $o .= "<span class=\"pager_n\"><a href=\"$url"."&page=$i\">".(($i < 10) ? ' '.$i : $i)."</a>";
1076 $lastpage = (($numpages > intval($numpages)) ? intval($numpages)+1 : $numpages);
1077 $o .= "<span class=\"pager_last\"><a href=\"$url"."&page=$lastpage\">" . t('last') . "</a></span> ";
1079 if(($a->pager['total'] - ($a->pager['itemspage'] * $a->pager['page'])) > 0)
1080 $o .= '<span class="pager_next">'."<a href=\"$url"."&page=".($a->pager['page'] + 1).'">' . t('next') . '</a></span>';
1081 $o .= '</div>'."\r\n";
1086 // Turn user/group ACLs stored as angle bracketed text into arrays
1088 if(! function_exists('expand_acl')) {
1089 function expand_acl($s) {
1090 // turn string array of angle-bracketed elements into numeric array
1091 // e.g. "<1><2><3>" => array(1,2,3);
1095 $t = str_replace('<','',$s);
1096 $a = explode('>',$t);
1097 foreach($a as $aa) {
1099 $ret[] = intval($aa);
1105 // Used to wrap ACL elements in angle brackets for storage
1107 if(! function_exists('sanitise_acl')) {
1108 function sanitise_acl(&$item) {
1110 $item = '<' . intval(notags(trim($item))) . '>';
1115 // retrieve a "family" of config variables from database to cached storage
1117 if(! function_exists('load_config')) {
1118 function load_config($family) {
1120 $r = q("SELECT * FROM `config` WHERE `cat` = '%s'",
1124 foreach($r as $rr) {
1126 $a->config[$family][$k] = $rr['v'];
1131 // get a particular config variable given the family name
1132 // and key. Returns false if not set.
1133 // $instore is only used by the set_config function
1134 // to determine if the key already exists in the DB
1135 // If a key is found in the DB but doesn't exist in
1136 // local config cache, pull it into the cache so we don't have
1137 // to hit the DB again for this item.
1139 if(! function_exists('get_config')) {
1140 function get_config($family, $key, $instore = false) {
1145 if(isset($a->config[$family][$key])) {
1146 if($a->config[$family][$key] === '!<unset>!') {
1149 return $a->config[$family][$key];
1152 $ret = q("SELECT `v` FROM `config` WHERE `cat` = '%s' AND `k` = '%s' LIMIT 1",
1157 $a->config[$family][$key] = $ret[0]['v'];
1158 return $ret[0]['v'];
1161 $a->config[$family][$key] = '!<unset>!';
1166 // Store a config value ($value) in the category ($family)
1167 // under the key ($key)
1168 // Return the value, or false if the database update failed
1170 if(! function_exists('set_config')) {
1171 function set_config($family,$key,$value) {
1175 if(get_config($family,$key,true) === false) {
1176 $ret = q("INSERT INTO `config` ( `cat`, `k`, `v` ) VALUES ( '%s', '%s', '%s' ) ",
1185 $ret = q("UPDATE `config` SET `v` = '%s' WHERE `cat` = '%s' AND `k` = '%s' LIMIT 1",
1191 $a->config[$family][$key] = $value;
1199 if(! function_exists('load_pconfig')) {
1200 function load_pconfig($uid,$family) {
1202 $r = q("SELECT * FROM `pconfig` WHERE `cat` = '%s' AND `uid` = %d",
1207 foreach($r as $rr) {
1209 $a->config[$uid][$family][$k] = $rr['v'];
1216 if(! function_exists('get_pconfig')) {
1217 function get_pconfig($uid,$family, $key, $instore = false) {
1222 if(isset($a->config[$uid][$family][$key])) {
1223 if($a->config[$uid][$family][$key] === '!<unset>!') {
1226 return $a->config[$uid][$family][$key];
1230 $ret = q("SELECT `v` FROM `pconfig` WHERE `uid` = %d AND `cat` = '%s' AND `k` = '%s' LIMIT 1",
1237 $a->config[$uid][$family][$key] = $ret[0]['v'];
1238 return $ret[0]['v'];
1241 $a->config[$uid][$family][$key] = '!<unset>!';
1246 if(! function_exists('del_config')) {
1247 function del_config($family,$key) {
1250 if(x($a->config[$family],$key))
1251 unset($a->config[$family][$key]);
1252 $ret = q("DELETE FROM `config` WHERE `cat` = '%s' AND `k` = '%s' LIMIT 1",
1261 // Same as above functions except these are for personal config storage and take an
1262 // additional $uid argument.
1264 if(! function_exists('set_pconfig')) {
1265 function set_pconfig($uid,$family,$key,$value) {
1269 if(get_pconfig($uid,$family,$key,true) === false) {
1270 $ret = q("INSERT INTO `pconfig` ( `uid`, `cat`, `k`, `v` ) VALUES ( %d, '%s', '%s', '%s' ) ",
1280 $ret = q("UPDATE `pconfig` SET `v` = '%s' WHERE `uid` = %d AND `cat` = '%s' AND `k` = '%s' LIMIT 1",
1287 $a->config[$uid][$family][$key] = $value;
1294 if(! function_exists('del_pconfig')) {
1295 function del_pconfig($uid,$family,$key) {
1298 if(x($a->config[$uid][$family],$key))
1299 unset($a->config[$uid][$family][$key]);
1300 $ret = q("DELETE FROM `pconfig` WHERE `uid` = %d AND `cat` = '%s' AND `k` = '%s' LIMIT 1",
1309 // convert an XML document to a normalised, case-corrected array
1310 // used by webfinger
1312 if(! function_exists('convert_xml_element_to_array')) {
1313 function convert_xml_element_to_array($xml_element, &$recursion_depth=0) {
1315 // If we're getting too deep, bail out
1316 if ($recursion_depth > 512) {
1320 if (!is_string($xml_element) &&
1321 !is_array($xml_element) &&
1322 (get_class($xml_element) == 'SimpleXMLElement')) {
1323 $xml_element_copy = $xml_element;
1324 $xml_element = get_object_vars($xml_element);
1327 if (is_array($xml_element)) {
1328 $result_array = array();
1329 if (count($xml_element) <= 0) {
1330 return (trim(strval($xml_element_copy)));
1333 foreach($xml_element as $key=>$value) {
1336 $result_array[strtolower($key)] =
1337 convert_xml_element_to_array($value, $recursion_depth);
1340 if ($recursion_depth == 0) {
1341 $temp_array = $result_array;
1342 $result_array = array(
1343 strtolower($xml_element_copy->getName()) => $temp_array,
1347 return ($result_array);
1350 return (trim(strval($xml_element)));
1354 // Given an email style address, perform webfinger lookup and
1355 // return the resulting DFRN profile URL, or if no DFRN profile URL
1356 // is located, returns an OStatus subscription template (prefixed
1357 // with the string 'stat:' to identify it as on OStatus template).
1358 // If this isn't an email style address just return $s.
1359 // Return an empty string if email-style addresses but webfinger fails,
1360 // or if the resultant personal XRD doesn't contain a supported
1361 // subscription/friend-request attribute.
1363 if(! function_exists('webfinger_dfrn')) {
1364 function webfinger_dfrn($s) {
1365 if(! strstr($s,'@')) {
1368 $links = webfinger($s);
1369 logger('webfinger_dfrn: ' . $s . ':' . print_r($links,true), LOGGER_DATA);
1371 foreach($links as $link)
1372 if($link['@attributes']['rel'] === NAMESPACE_DFRN)
1373 return $link['@attributes']['href'];
1374 foreach($links as $link)
1375 if($link['@attributes']['rel'] === NAMESPACE_OSTATUSSUB)
1376 return 'stat:' . $link['@attributes']['template'];
1381 // Given an email style address, perform webfinger lookup and
1382 // return the array of link attributes from the personal XRD file.
1383 // On error/failure return an empty array.
1386 if(! function_exists('webfinger')) {
1387 function webfinger($s) {
1389 if(strstr($s,'@')) {
1390 $host = substr($s,strpos($s,'@') + 1);
1393 $tpl = fetch_lrdd_template($host);
1394 logger('webfinger: lrdd template: ' . $tpl);
1396 $pxrd = str_replace('{uri}', urlencode('acct:' . $s), $tpl);
1397 logger('webfinger: pxrd: ' . $pxrd);
1398 $links = fetch_xrd_links($pxrd);
1399 if(! count($links)) {
1400 // try with double slashes
1401 $pxrd = str_replace('{uri}', urlencode('acct://' . $s), $tpl);
1402 logger('webfinger: pxrd: ' . $pxrd);
1403 $links = fetch_xrd_links($pxrd);
1411 if(! function_exists('lrdd')) {
1412 function lrdd($uri) {
1416 // default priority is host priority, host-meta first
1420 // All we have is an email address. Resource-priority is irrelevant
1421 // because our URI isn't directly resolvable.
1423 if(strstr($uri,'@')) {
1424 return(webfinger($uri));
1427 // get the host meta file
1429 $host = @parse_url($uri);
1432 $url = ((x($host,'scheme')) ? $host['scheme'] : 'http') . '://';
1433 $url .= $host['host'] . '/.well-known/host-meta' ;
1438 logger('lrdd: constructed url: ' . $url);
1440 $xml = fetch_url($url);
1441 $headers = $a->get_curl_headers();
1446 logger('lrdd: host_meta: ' . $xml, LOGGER_DATA);
1447 $h = simplexml_load_string($xml);
1448 $arr = convert_xml_element_to_array($h);
1450 if(isset($arr['xrd']['property'])) {
1451 $property = $arr['crd']['property'];
1452 if(! isset($property[0]))
1453 $properties = array($property);
1455 $properties = $property;
1456 foreach($properties as $prop)
1457 if((string) $prop['@attributes'] === 'http://lrdd.net/priority/resource')
1458 $priority = 'resource';
1461 // save the links in case we need them
1465 if(isset($arr['xrd']['link'])) {
1466 $link = $arr['xrd']['link'];
1467 if(! isset($link[0]))
1468 $links = array($link);
1473 // do we have a template or href?
1476 foreach($links as $link) {
1477 if($link['@attributes']['rel'] && attribute_contains($link['@attributes']['rel'],'lrdd')) {
1478 if(x($link['@attributes'],'template'))
1479 $tpl = $link['@attributes']['template'];
1480 elseif(x($link['@attributes'],'href'))
1481 $href = $link['@attributes']['href'];
1486 if((! isset($tpl)) || (! strpos($tpl,'{uri}')))
1489 if($priority === 'host') {
1491 $pxrd = str_replace('{uri}', urlencode($uri), $tpl);
1492 elseif(isset($href))
1495 logger('lrdd: (host priority) pxrd: ' . $pxrd);
1496 $links = fetch_xrd_links($pxrd);
1500 $lines = explode("\n",$headers);
1502 foreach($lines as $line) {
1503 if((stristr($line,'link:')) && preg_match('/<([^>].*)>.*rel\=[\'\"]lrdd[\'\"]/',$line,$matches)) {
1504 return(fetch_xrd_links($matches[1]));
1512 // priority 'resource'
1515 $html = fetch_url($uri);
1516 $headers = $a->get_curl_headers();
1517 logger('lrdd: headers=' . $headers, LOGGER_DEBUG);
1519 require_once('library/HTML5/Parser.php');
1520 $dom = @HTML5_Parser::parse($html);
1523 $items = $dom->getElementsByTagName('link');
1524 foreach($items as $item) {
1525 $x = $item->getAttribute('rel');
1527 $pagelink = $item->getAttribute('href');
1533 if(isset($pagelink))
1534 return(fetch_xrd_links($pagelink));
1536 // next look in HTTP headers
1538 $lines = explode("\n",$headers);
1540 foreach($lines as $line) {
1541 // TODO alter the following regex to support multiple relations (space separated)
1542 if((stristr($line,'link:')) && preg_match('/<([^>].*)>.*rel\=[\'\"]lrdd[\'\"]/',$line,$matches)) {
1543 $pagelink = $matches[1];
1546 // don't try and run feeds through the html5 parser
1547 if(stristr($line,'content-type:') && ((stristr($line,'application/atom+xml')) || (stristr($line,'application/rss+xml'))))
1549 if(stristr($html,'<rss') || stristr($html,'<feed'))
1554 if(isset($pagelink))
1555 return(fetch_xrd_links($pagelink));
1557 // If we haven't found any links, return the host xrd links (which we have already fetched)
1568 // Given a host name, locate the LRDD template from that
1569 // host. Returns the LRDD template or an empty string on
1572 if(! function_exists('fetch_lrdd_template')) {
1573 function fetch_lrdd_template($host) {
1575 $url = 'http://' . $host . '/.well-known/host-meta' ;
1576 $links = fetch_xrd_links($url);
1577 logger('template: ' . print_r($links,true));
1579 foreach($links as $link)
1580 if($link['@attributes']['rel'] && $link['@attributes']['rel'] === 'lrdd')
1581 $tpl = $link['@attributes']['template'];
1583 if(! strpos($tpl,'{uri}'))
1588 // Given a URL, retrieve the page as an XRD document.
1589 // Return an array of links.
1590 // on error/failure return empty array.
1592 if(! function_exists('fetch_xrd_links')) {
1593 function fetch_xrd_links($url) {
1596 $xml = fetch_url($url);
1600 logger('fetch_xrd_links: ' . $xml, LOGGER_DATA);
1601 $h = simplexml_load_string($xml);
1602 $arr = convert_xml_element_to_array($h);
1606 if(isset($arr['xrd']['link'])) {
1607 $link = $arr['xrd']['link'];
1608 if(! isset($link[0]))
1609 $links = array($link);
1613 if(isset($arr['xrd']['alias'])) {
1614 $alias = $arr['xrd']['alias'];
1615 if(! isset($alias[0]))
1616 $aliases = array($alias);
1619 foreach($aliases as $alias) {
1620 $links[]['@attributes'] = array('rel' => 'alias' , 'href' => $alias);
1624 logger('fetch_xrd_links: ' . print_r($links,true), LOGGER_DATA);
1630 // Convert an ACL array to a storable string
1632 if(! function_exists('perms2str')) {
1633 function perms2str($p) {
1636 if(is_array($tmp)) {
1637 array_walk($tmp,'sanitise_acl');
1638 $ret = implode('',$tmp);
1643 // generate a guaranteed unique (for this domain) item ID for ATOM
1644 // safe from birthday paradox
1646 if(! function_exists('item_new_uri')) {
1647 function item_new_uri($hostname,$uid) {
1651 $hash = random_string();
1653 $uri = "urn:X-dfrn:" . $hostname . ':' . $uid . ':' . $hash;
1655 $r = q("SELECT `id` FROM `item` WHERE `uri` = '%s' LIMIT 1",
1659 } while($dups == true);
1663 // Generate a guaranteed unique photo ID.
1664 // safe from birthday paradox
1666 if(! function_exists('photo_new_resource')) {
1667 function photo_new_resource() {
1671 $resource = hash('md5',uniqid(mt_rand(),true));
1672 $r = q("SELECT `id` FROM `photo` WHERE `resource-id` = '%s' LIMIT 1",
1677 } while($found == true);
1682 // Take a URL from the wild, prepend http:// if necessary
1683 // and check DNS to see if it's real
1684 // return true if it's OK, false if something is wrong with it
1686 if(! function_exists('validate_url')) {
1687 function validate_url(&$url) {
1688 if(substr($url,0,4) != 'http')
1689 $url = 'http://' . $url;
1690 $h = @parse_url($url);
1692 if(($h) && (dns_get_record($h['host'], DNS_A + DNS_CNAME + DNS_PTR))) {
1698 // checks that email is an actual resolvable internet address
1700 if(! function_exists('validate_email')) {
1701 function validate_email($addr) {
1703 if(! strpos($addr,'@'))
1705 $h = substr($addr,strpos($addr,'@') + 1);
1707 if(($h) && (dns_get_record($h, DNS_A + DNS_CNAME + DNS_PTR + DNS_MX))) {
1713 // Check $url against our list of allowed sites,
1714 // wildcards allowed. If allowed_sites is unset return true;
1715 // If url is allowed, return true.
1716 // otherwise, return false
1718 if(! function_exists('allowed_url')) {
1719 function allowed_url($url) {
1721 $h = @parse_url($url);
1727 $str_allowed = get_config('system','allowed_sites');
1733 $host = strtolower($h['host']);
1735 // always allow our own site
1737 if($host == strtolower($_SERVER['SERVER_NAME']))
1740 $fnmatch = function_exists('fnmatch');
1741 $allowed = explode(',',$str_allowed);
1743 if(count($allowed)) {
1744 foreach($allowed as $a) {
1745 $pat = strtolower(trim($a));
1746 if(($fnmatch && fnmatch($pat,$host)) || ($pat == $host)) {
1755 // check if email address is allowed to register here.
1756 // Compare against our list (wildcards allowed).
1757 // Returns false if not allowed, true if allowed or if
1758 // allowed list is not configured.
1760 if(! function_exists('allowed_email')) {
1761 function allowed_email($email) {
1764 $domain = strtolower(substr($email,strpos($email,'@') + 1));
1768 $str_allowed = get_config('system','allowed_email');
1774 $fnmatch = function_exists('fnmatch');
1775 $allowed = explode(',',$str_allowed);
1777 if(count($allowed)) {
1778 foreach($allowed as $a) {
1779 $pat = strtolower(trim($a));
1780 if(($fnmatch && fnmatch($pat,$host)) || ($pat == $host)) {
1789 // Format the like/dislike text for a profile item
1790 // $cnt = number of people who like/dislike the item
1791 // $arr = array of pre-linked names of likers/dislikers
1792 // $type = one of 'like, 'dislike'
1794 // returns formatted text
1796 if(! function_exists('format_like')) {
1797 function format_like($cnt,$arr,$type,$id) {
1800 $o .= $arr[0] . (($type === 'like') ? t(' likes this.') : t(' doesn\'t like this.')) . EOL ;
1802 $o .= '<span class="fakelink" onclick="openClose(\'' . $type . 'list-' . $id . '\');" >'
1803 . $cnt . ' ' . t('people') . '</span> ' . (($type === 'like') ? t('like this.') : t('don\'t like this.')) . EOL ;
1804 $total = count($arr);
1805 if($total >= MAX_LIKERS)
1806 $arr = array_slice($arr, 0, MAX_LIKERS - 1);
1807 if($total < MAX_LIKERS)
1808 $arr[count($arr)-1] = t('and') . ' ' . $arr[count($arr)-1];
1809 $str = implode(', ', $arr);
1810 if($total >= MAX_LIKERS)
1811 $str .= t(', and ') . $total - MAX_LIKERS . t(' other people');
1812 $str .= (($type === 'like') ? t(' like this.') : t(' don\'t like this.'));
1813 $o .= "\t" . '<div id="' . $type . 'list-' . $id . '" style="display: none;" >' . $str . '</div>';
1819 // wrapper to load a view template, checking for alternate
1820 // languages before falling back to the default
1822 if(! function_exists('load_view_file')) {
1823 function load_view_file($s) {
1826 $lang = get_config('system','language');
1829 if(file_exists("$d/$lang/$b"))
1830 return file_get_contents("$d/$lang/$b");
1831 return file_get_contents($s);
1834 // for html,xml parsing - let's say you've got
1835 // an attribute foobar="class1 class2 class3"
1836 // and you want to find out if it contains 'class3'.
1837 // you can't use a normal sub string search because you
1838 // might match 'notclass3' and a regex to do the job is
1839 // possible but a bit complicated.
1840 // pass the attribute string as $attr and the attribute you
1841 // are looking for as $s - returns true if found, otherwise false
1843 if(! function_exists('attribute_contains')) {
1844 function attribute_contains($attr,$s) {
1845 $a = explode(' ', $attr);
1846 if(count($a) && in_array($s,$a))
1851 if(! function_exists('logger')) {
1852 function logger($msg,$level = 0) {
1853 $debugging = get_config('system','debugging');
1854 $loglevel = intval(get_config('system','loglevel'));
1855 $logfile = get_config('system','logfile');
1857 if((! $debugging) || (! $logfile) || ($level > $loglevel))
1860 @file_put_contents($logfile, datetime_convert() . ':' . session_id() . ' ' . $msg . "\n", FILE_APPEND);
1865 if(! function_exists('activity_match')) {
1866 function activity_match($haystack,$needle) {
1867 if(($haystack === $needle) || ((basename($needle) === $haystack) && strstr($needle,NAMESPACE_ACTIVITY_SCHEMA)))
1873 // Pull out all #hashtags and @person tags from $s;
1874 // We also get @person@domain.com - which would make
1875 // the regex quite complicated as tags can also
1876 // end a sentence. So we'll run through our results
1877 // and strip the period from any tags which end with one.
1878 // Returns array of tags found, or empty array.
1881 if(! function_exists('get_tags')) {
1882 function get_tags($s) {
1885 // ignore anything in a code block
1887 $s = preg_replace('/\[code\](.*?)\[\/code\]/sm','',$s);
1889 if(preg_match_all('/([@#][^ \x0D\x0A,:?]+)([ \x0D\x0A,:?]|$)/',$s,$match)) {
1890 foreach($match[1] as $match) {
1891 if(strstr($match,"]")) {
1892 // we might be inside a bbcode color tag - leave it alone
1895 if(substr($match,-1,1) === '.')
1896 $ret[] = substr($match,0,-1);
1906 // quick and dirty quoted_printable encoding
1908 if(! function_exists('qp')) {
1910 return str_replace ("%","=",rawurlencode($s));
1914 if(! function_exists('like_puller')) {
1915 function like_puller($a,$item,&$arr,$mode) {
1919 $verb = (($mode === 'like') ? ACTIVITY_LIKE : ACTIVITY_DISLIKE);
1921 if((activity_match($item['verb'],$verb)) && ($item['id'] != $item['parent'])) {
1922 $url = $item['author-link'];
1923 if((local_user()) && (local_user() == $item['uid']) && ($item['network'] === 'dfrn') && (! $item['self']) && (link_compare($item['author-link'],$item['url']))) {
1924 $url = $a->get_baseurl() . '/redir/' . $item['contact-id'];
1925 $sparkle = ' class="sparkle" ';
1927 if(! ((isset($arr[$item['parent'] . '-l'])) && (is_array($arr[$item['parent'] . '-l']))))
1928 $arr[$item['parent'] . '-l'] = array();
1929 if(! isset($arr[$item['parent']]))
1930 $arr[$item['parent']] = 1;
1932 $arr[$item['parent']] ++;
1933 $arr[$item['parent'] . '-l'][] = '<a href="'. $url . '"'. $sparkle .'>' . $item['author-name'] . '</a>';
1938 if(! function_exists('get_mentions')) {
1939 function get_mentions($item) {
1941 if(! strlen($item['tag']))
1944 $arr = explode(',',$item['tag']);
1945 foreach($arr as $x) {
1947 if(preg_match('/@\[url=([^\]]*)\]/',$x,$matches)) {
1948 $o .= "\t\t" . '<link rel="mentioned" href="' . $matches[1] . '" />' . "\r\n";
1949 $o .= "\t\t" . '<link rel="ostatus:attention" href="' . $matches[1] . '" />' . "\r\n";
1955 if(! function_exists('contact_block')) {
1956 function contact_block() {
1960 $shown = get_pconfig($a->profile['uid'],'system','display_friend_count');
1964 if((! is_array($a->profile)) || ($a->profile['hide-friends']))
1966 $r = q("SELECT COUNT(*) AS `total` FROM `contact` WHERE `uid` = %d AND `self` = 0 AND `blocked` = 0 and `pending` = 0",
1967 intval($a->profile['uid'])
1970 $total = intval($r[0]['total']);
1973 $o .= '<h4 class="contact-h4">' . t('No contacts') . '</h4>';
1976 $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 0 AND `blocked` = 0 and `pending` = 0 ORDER BY RAND() LIMIT %d",
1977 intval($a->profile['uid']),
1981 $o .= '<h4 class="contact-h4">' . $total . ' ' . t('Contacts') . '</h4><div id="contact-block">';
1982 foreach($r as $rr) {
1983 $redirect_url = $a->get_baseurl() . '/redir/' . $rr['id'];
1984 if(local_user() && ($rr['uid'] == local_user())
1985 && ($rr['network'] === 'dfrn')) {
1986 $url = $redirect_url;
1987 $sparkle = ' sparkle';
1994 $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";
1996 $o .= '</div><div id="contact-block-end"></div>';
1997 $o .= '<div id="viewcontacts"><a id="viewcontacts-link" href="viewcontacts/' . $a->profile['nickname'] . '">' . t('View Contacts') . '</a></div>';
2001 $arr = array('contacts' => $r, 'output' => $o);
2003 call_hooks('contact_block_end', $arr);
2008 if(! function_exists('search')) {
2009 function search($s) {
2011 $o = '<div id="search-box">';
2012 $o .= '<form action="' . $a->get_baseurl() . '/search' . '" method="get" >';
2013 $o .= '<input type="text" name="search" id="search-text" value="' . $s .'" />';
2014 $o .= '<input type="submit" name="submit" id="search-submit" value="' . t('Search') . '" />';
2015 $o .= '</form></div>';
2019 if(! function_exists('valid_email')) {
2020 function valid_email($x){
2021 if(preg_match('/^[_a-zA-Z0-9-]+(\.[_a-zA-Z0-9-]+)*@[a-zA-Z0-9-]+(\.[a-zA-Z0-9-]+)+$/',$x))
2027 if(! function_exists('gravatar_img')) {
2028 function gravatar_img($email) {
2030 $opt = 'identicon'; // psuedo-random geometric pattern if not found
2032 $hash = md5(trim(strtolower($email)));
2034 $url = 'http://www.gravatar.com/avatar/' . $hash . '.jpg'
2035 . '?s=' . $size . '&d=' . $opt . '&r=' . $rating;
2037 logger('gravatar: ' . $email . ' ' . $url);
2041 if(! function_exists('aes_decrypt')) {
2042 function aes_decrypt($val,$ky)
2044 $key="\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
2045 for($a=0;$a<strlen($ky);$a++)
2046 $key[$a%16]=chr(ord($key[$a%16]) ^ ord($ky[$a]));
2047 $mode = MCRYPT_MODE_ECB;
2048 $enc = MCRYPT_RIJNDAEL_128;
2049 $dec = @mcrypt_decrypt($enc, $key, $val, $mode, @mcrypt_create_iv( @mcrypt_get_iv_size($enc, $mode), MCRYPT_DEV_URANDOM ) );
2050 return rtrim($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));
2054 if(! function_exists('aes_encrypt')) {
2055 function aes_encrypt($val,$ky)
2057 $key="\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
2058 for($a=0;$a<strlen($ky);$a++)
2059 $key[$a%16]=chr(ord($key[$a%16]) ^ ord($ky[$a]));
2060 $mode=MCRYPT_MODE_ECB;
2061 $enc=MCRYPT_RIJNDAEL_128;
2062 $val=str_pad($val, (16*(floor(strlen($val) / 16)+(strlen($val) % 16==0?2:1))), chr(16-(strlen($val) % 16)));
2063 return mcrypt_encrypt($enc, $key, $val, $mode, mcrypt_create_iv( mcrypt_get_iv_size($enc, $mode), MCRYPT_DEV_URANDOM));
2071 * Replace naked text hyperlink with HTML formatted hyperlink
2075 if(! function_exists('linkify')) {
2076 function linkify($s) {
2077 $s = preg_replace("/(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\.\=\_\~\#\'\%\$\!\+]*)/", ' <a href="$1" target="external-link">$1</a>', $s);
2087 * Replaces text emoticons with graphical images
2089 * @Parameter: string $s
2094 if(! function_exists('smilies')) {
2095 function smilies($s) {
2099 array( '<3', '</3', '<\\3', ':-)', ';-)', ':-(', ':(', ':-P', ':-"', ':-x', ':-X', ':-D', '8-|', '8-O'),
2101 '<img src="' . $a->get_baseurl() . '/images/smiley-heart.gif" alt="<3" />',
2102 '<img src="' . $a->get_baseurl() . '/images/smiley-brokenheart.gif" alt="</3" />',
2103 '<img src="' . $a->get_baseurl() . '/images/smiley-brokenheart.gif" alt="<\\3" />',
2104 '<img src="' . $a->get_baseurl() . '/images/smiley-smile.gif" alt=":-)" />',
2105 '<img src="' . $a->get_baseurl() . '/images/smiley-wink.gif" alt=";-)" />',
2106 '<img src="' . $a->get_baseurl() . '/images/smiley-frown.gif" alt=":-(" />',
2107 '<img src="' . $a->get_baseurl() . '/images/smiley-frown.gif" alt=":(" />',
2108 '<img src="' . $a->get_baseurl() . '/images/smiley-tongue-out.gif" alt=":-P" />',
2109 '<img src="' . $a->get_baseurl() . '/images/smiley-kiss.gif" alt=":-\"" />',
2110 '<img src="' . $a->get_baseurl() . '/images/smiley-kiss.gif" alt=":-x" />',
2111 '<img src="' . $a->get_baseurl() . '/images/smiley-kiss.gif" alt=":-X" />',
2112 '<img src="' . $a->get_baseurl() . '/images/smiley-laughing.gif" alt=":-D" />',
2113 '<img src="' . $a->get_baseurl() . '/images/smiley-surprised.gif" alt="8-|" />',
2114 '<img src="' . $a->get_baseurl() . '/images/smiley-surprised.gif" alt="8-O" />'
2121 * Function : profile_load
2123 * @parameter string $nickname
2124 * @parameter int $profile
2126 * Summary: Loads a profile into the page sidebar.
2127 * The function requires a writeable copy of the main App structure, and the nickname
2128 * of a registered local account.
2130 * If the viewer is an authenticated remote viewer, the profile displayed is the
2131 * one that has been configured for his/her viewing in the Contact manager.
2132 * Passing a non-zero profile ID can also allow a preview of a selected profile
2135 * Profile information is placed in the App structure for later retrieval.
2136 * Honours the owner's chosen theme for display.
2140 if(! function_exists('profile_load')) {
2141 function profile_load(&$a, $nickname, $profile = 0) {
2143 $r = q("SELECT `profile-id` FROM `contact` WHERE `id` = %d LIMIT 1",
2144 intval($_SESSION['visitor_id']));
2146 $profile = $r[0]['profile-id'];
2152 $profile_int = intval($profile);
2153 $r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `user`.* FROM `profile`
2154 LEFT JOIN `user` ON `profile`.`uid` = `user`.`uid`
2155 WHERE `user`.`nickname` = '%s' AND `profile`.`id` = %d LIMIT 1",
2157 intval($profile_int)
2161 $r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `user`.* FROM `profile`
2162 LEFT JOIN `user` ON `profile`.`uid` = `user`.`uid`
2163 WHERE `user`.`nickname` = '%s' AND `profile`.`is-default` = 1 LIMIT 1",
2168 if(($r === false) || (! count($r))) {
2169 notice( t('No profile') . EOL );
2174 $a->profile = $r[0];
2177 $a->page['title'] = $a->profile['name'] . " @ " . $a->config['sitename'];
2178 $_SESSION['theme'] = $a->profile['theme'];
2180 if(! (x($a->page,'aside')))
2181 $a->page['aside'] = '';
2183 $a->page['aside'] .= profile_sidebar($a->profile);
2184 $a->page['aside'] .= contact_block();
2192 * Function: profile_sidebar
2194 * Formats a profile for display in the sidebar.
2195 * It is very difficult to templatise the HTML completely
2196 * because of all the conditional logic.
2198 * @parameter: array $profile
2200 * Returns HTML string stuitable for sidebar inclusion
2201 * Exceptions: Returns empty string if passed $profile is wrong type or not populated
2206 if(! function_exists('profile_sidebar')) {
2207 function profile_sidebar($profile) {
2213 if((! is_array($profile)) && (! count($profile)))
2216 call_hooks('profile_sidebar_enter', $profile);
2218 $fullname = '<div class="fn">' . $profile['name'] . '</div>';
2220 $pdesc = '<div class="title">' . $profile['pdesc'] . '</div>';
2224 $photo = '<div id="profile-photo-wrapper"><img class="photo" src="' . $profile['photo'] . '" alt="' . $profile['name'] . '" /></div>';
2226 $connect = (($profile['uid'] != local_user()) ? '<li><a id="dfrn-request-link" href="dfrn_request/' . $profile['nickname'] . '">' . t('Connect') . '</a></li>' : '');
2228 if((x($profile,'address') == 1)
2229 || (x($profile,'locality') == 1)
2230 || (x($profile,'region') == 1)
2231 || (x($profile,'postal-code') == 1)
2232 || (x($profile,'country-name') == 1))
2236 $location .= '<div class="location"><span class="location-label">' . t('Location:') . '</span> <div class="adr">';
2237 $location .= ((x($profile,'address') == 1) ? '<div class="street-address">' . $profile['address'] . '</div>' : '');
2238 $location .= (((x($profile,'locality') == 1) || (x($profile,'region') == 1) || (x($profile,'postal-code') == 1))
2239 ? '<span class="city-state-zip"><span class="locality">' . $profile['locality'] . '</span>'
2240 . ((x($profile['locality']) == 1) ? t(', ') : '')
2241 . '<span class="region">' . $profile['region'] . '</span>'
2242 . ' <span class="postal-code">' . $profile['postal-code'] . '</span></span>' : '');
2243 $location .= ((x($profile,'country-name') == 1) ? ' <span class="country-name">' . $profile['country-name'] . '</span>' : '');
2244 $location .= '</div></div><div class="profile-clear"></div>';
2248 $gender = ((x($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>' : '');
2250 $pubkey = ((x($profile,'pubkey') == 1) ? '<div class="key" style="display:none;">' . $profile['pubkey'] . '</div>' : '');
2252 $marital = ((x($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>' : '');
2254 $homepage = ((x($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>' : '');
2256 $tpl = load_view_file('view/profile_vcard.tpl');
2258 $o .= replace_macros($tpl, array(
2259 '$fullname' => $fullname,
2263 '$connect' => $connect,
2264 '$location' => $location,
2265 '$gender' => $gender,
2266 '$pubkey' => $pubkey,
2267 '$marital' => $marital,
2268 '$homepage' => $homepage
2272 $arr = array('profile' => $profile, 'entry' => $o);
2274 call_hooks('profile_sidebar', $arr);
2280 if(! function_exists('register_hook')) {
2281 function register_hook($hook,$file,$function) {
2283 $r = q("SELECT * FROM `hook` WHERE `hook` = '%s' AND `file` = '%s' AND `function` = '%s' LIMIT 1",
2291 $r = q("INSERT INTO `hook` (`hook`, `file`, `function`) VALUES ( '%s', '%s', '%s' ) ",
2299 if(! function_exists('unregister_hook')) {
2300 function unregister_hook($hook,$file,$function) {
2302 $r = q("DELETE FROM `hook` WHERE `hook` = '%s' AND `file` = '%s' AND `function` = '%s' LIMIT 1",
2311 if(! function_exists('load_hooks')) {
2312 function load_hooks() {
2314 $a->hooks = array();
2315 $r = q("SELECT * FROM `hook` WHERE 1");
2317 foreach($r as $rr) {
2318 $a->hooks[] = array($rr['hook'], $rr['file'], $rr['function']);
2324 if(! function_exists('call_hooks')) {
2325 function call_hooks($name, &$data = null) {
2328 if(count($a->hooks)) {
2329 foreach($a->hooks as $hook) {
2330 if($hook[HOOK_HOOK] === $name) {
2331 @include_once($hook[HOOK_FILE]);
2332 if(function_exists($hook[HOOK_FUNCTION])) {
2333 $func = $hook[HOOK_FUNCTION];
2342 if(! function_exists('day_translate')) {
2343 function day_translate($s) {
2344 $ret = str_replace(array('Monday','Tuesday','Wednesday','Thursday','Friday','Saturday','Sunday'),
2345 array( t('Monday'), t('Tuesday'), t('Wednesday'), t('Thursday'), t('Friday'), t('Saturday'), t('Sunday')),
2348 $ret = str_replace(array('January','February','March','April','May','June','July','August','September','October','November','December'),
2349 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')),
2355 if(! function_exists('get_birthdays')) {
2356 function get_birthdays() {
2364 $bd_format = get_config('system','birthday_format');
2366 $bd_format = 'g A l F d' ; // 8 AM Friday January 18
2368 $r = q("SELECT `event`.*, `event`.`id` AS `eid`, `contact`.* FROM `event`
2369 LEFT JOIN `contact` ON `contact`.`id` = `event`.`cid`
2370 WHERE `event`.`uid` = %d AND `type` = 'birthday' AND `start` < '%s' AND `finish` > '%s'
2371 ORDER BY `start` DESC ",
2372 intval(local_user()),
2373 dbesc(datetime_convert('UTC','UTC','now + 6 days')),
2374 dbesc(datetime_convert('UTC','UTC','now'))
2377 if($r && count($r)) {
2378 $o .= '<div id="birthday-wrapper"><div id="birthday-title">' . t('Birthdays this week:') . '</div>';
2379 $o .= '<div id="birthday-adjust">' . t("\x28Adjusted for local time\x29") . '</div>';
2380 $o .= '<div id="birthday-title-end"></div>';
2382 foreach($r as $rr) {
2383 $now = strtotime('now');
2384 $today = (((strtotime($rr['start'] . ' +00:00') < $now) && (strtotime($rr['finish'] . ' +00:00') > $now)) ? true : false);
2386 $o .= '<div class="birthday-list" id="birthday-' . $rr['eid'] . '"><a class="sparkle" href="'
2387 . $a->get_baseurl() . '/redir/' . $rr['cid'] . '">' . $rr['name'] . '</a> '
2388 . day_translate(datetime_convert('UTC', $a->timezone, $rr['start'], $bd_format)) . (($today) ? ' ' . t('[today]') : '')
2401 * Compare two URLs to see if they are the same, but ignore
2402 * slight but hopefully insignificant differences such as if one
2403 * is https and the other isn't, or if one is www.something and
2404 * the other isn't - and also ignore case differences.
2406 * Return true if the URLs match, otherwise false.
2410 if(! function_exists('link_compare')) {
2411 function link_compare($a,$b) {
2412 $a1 = str_replace(array('https:','//www.'), array('http:','//'), $a);
2413 $b1 = str_replace(array('https:','//www.'), array('http:','//'), $b);
2414 if(strcasecmp($a1,$b1) === 0)
2420 if(! function_exists('prepare_body')) {
2421 function prepare_body($item) {
2422 return prepare_text($item['body']);
2425 if(! function_exists('prepare_text')) {
2426 function prepare_text($text) {
2428 require_once('include/bbcode.php');
2430 $s = smilies(bbcode($text));
2437 * Wrap calls to proc_close(proc_open()) and call hook
2438 * so plugins can take part in process :)
2441 * $cmd program to run
2442 * next args are passed as $cmd command line
2444 * e.g.: proc_run("ls","-la","/tmp");
2446 * $cmd and string args are surrounded with ""
2449 if(! function_exists('proc_run')) {
2450 function proc_run($cmd){
2454 $args = func_get_args();
2455 call_hooks("proc_run", $args);
2457 if(count($args) && $args[0] === 'php')
2458 $args[0] = ((x($a->config,'php_path')) && (strlen($a->config['php_path'])) ? $a->config['php_path'] : 'php');
2460 foreach ($args as $arg){
2461 $arg = escapeshellarg($arg);
2463 $cmdline = implode($args," ");
2464 proc_close(proc_open($cmdline." &",array(),$foo));
2468 * Return full URL to theme which is currently in effect.
2469 * Provide a sane default if nothing is chosen or the specified theme does not exist.
2472 if(! function_exists('current_theme_url')) {
2473 function current_theme_url() {
2475 $app_base_themes = array('duepuntozero', 'loozah');
2479 $system_theme = ((isset($a->config['system']['theme'])) ? $a->config['system']['theme'] : '');
2480 $theme_name = ((x($_SESSION,'theme')) ? $_SESSION['theme'] : $system_theme);
2482 if($theme_name && file_exists('view/theme/' . $theme_name . '/style.css'))
2483 return($a->get_baseurl() . '/view/theme/' . $theme_name . '/style.css');
2485 foreach($app_base_themes as $t) {
2486 if(file_exists('view/theme/' . $t . '/style.css'))
2487 return($a->get_baseurl() . '/view/theme/' . $t . '/style.css');
2490 $fallback = glob('view/theme/*/style.css');
2491 if(count($fallback))
2492 return($a->get_baseurl() . $fallback[0]);
2497 if(! function_exists('feed_birthday')) {
2498 function feed_birthday($uid,$tz) {
2502 * Determine the next birthday, but only if the birthday is published
2503 * in the default profile. We _could_ also look for a private profile that the
2504 * recipient can see, but somebody could get mad at us if they start getting
2505 * public birthday greetings when they haven't made this info public.
2507 * Assuming we are able to publish this info, we are then going to convert
2508 * the start time from the owner's timezone to UTC.
2510 * This will potentially solve the problem found with some social networks
2511 * where birthdays are converted to the viewer's timezone and salutations from
2512 * elsewhere in the world show up on the wrong day. We will convert it to the
2513 * viewer's timezone also, but first we are going to convert it from the birthday
2514 * person's timezone to GMT - so the viewer may find the birthday starting at
2515 * 6:00PM the day before, but that will correspond to midnight to the birthday person.
2521 $p = q("SELECT `dob` FROM `profile` WHERE `is-default` = 1 AND `uid` = %d LIMIT 1",
2525 if($p && count($p)) {
2526 $tmp_dob = substr($p[0]['dob'],5);
2527 if(intval($tmp_dob)) {
2528 $y = datetime_convert($tz,$tz,'now','Y');
2529 $bd = $y . '-' . $tmp_dob . ' 00:00';
2530 $t_dob = strtotime($bd);
2531 $now = strtotime(datetime_convert($tz,$tz,'now'));
2533 $bd = $y + 1 . '-' . $tmp_dob . ' 00:00';
2534 $birthday = datetime_convert($tz,'UTC',$bd,ATOM_TIME);
2542 * return atom link elements for all of our hubs
2545 if(! function_exists('feed_hublinks')) {
2546 function feed_hublinks() {
2548 $hub = get_config('system','huburl');
2552 $hubs = explode(',', $hub);
2554 foreach($hubs as $h) {
2558 $hubxml .= '<link rel="hub" href="' . xmlify($h) . '" />' . "\n" ;
2565 /* return atom link elements for salmon endpoints */
2567 if(! function_exists('feed_salmonlinks')) {
2568 function feed_salmonlinks($nick) {
2572 $salmon = '<link rel="salmon" href="' . xmlify($a->get_baseurl() . '/salmon/' . $nick) . '" />' . "\n" ;
2574 // old style links that status.net still needed as of 12/2010
2576 $salmon .= ' <link rel="http://salmon-protocol.org/ns/salmon-replies" href="' . xmlify($a->get_baseurl() . '/salmon/' . $nick) . '" />' . "\n" ;
2577 $salmon .= ' <link rel="http://salmon-protocol.org/ns/salmon-mention" href="' . xmlify($a->get_baseurl() . '/salmon/' . $nick) . '" />' . "\n" ;
2581 if(! function_exists('get_plink')) {
2582 function get_plink($item) {
2584 $plink = (((x($item,'plink')) && (! $item['private'])) ? '<div class="wall-item-links-wrapper"><a href="'
2585 . $item['plink'] . '" title="' . t('link to source') . '" target="external-link" ><img src="' . $a->get_baseurl() . '/images/remote-link.gif" alt="' . t('link to source') . '" /></a></div>' : '');
2589 if(! function_exists('unamp')) {
2590 function unamp($s) {
2591 return str_replace('&', '&', $s);
2594 if(! function_exists('extract_item_authors')) {
2595 function extract_item_authors($arr,$uid) {
2597 if((! $uid) || (! is_array($arr)) || (! count($arr)))
2600 foreach($arr as $rr) {
2601 if(! in_array("'" . dbesc($rr['author-link']) . "'",$urls))
2602 $urls[] = "'" . dbesc($rr['author-link']) . "'";
2605 // pre-quoted, don't put quotes on %s
2607 $r = q("SELECT `id`,`url` FROM `contact` WHERE `uid` = %d AND `url` IN ( %s ) AND `network` = 'dfrn' AND `self` = 0 AND `blocked` = 0 ",
2614 $ret[$rr['url']] = $rr['id'];