5 define ( 'BUILD_ID', 1030 );
6 define ( 'DFRN_PROTOCOL_VERSION', '2.0' );
8 define ( 'EOL', "<br />\r\n" );
9 define ( 'ATOM_TIME', 'Y-m-d\TH:i:s\Z' );
10 define ( 'DOWN_ARROW', '⇩' );
16 define ( 'LOGGER_NORMAL', 0 );
17 define ( 'LOGGER_TRACE', 1 );
18 define ( 'LOGGER_DEBUG', 2 );
19 define ( 'LOGGER_DATA', 3 );
20 define ( 'LOGGER_ALL', 4 );
23 * registration policies
26 define ( 'REGISTER_CLOSED', 0 );
27 define ( 'REGISTER_APPROVE', 1 );
28 define ( 'REGISTER_OPEN', 2 );
34 define ( 'REL_VIP', 1);
35 define ( 'REL_FAN', 2);
36 define ( 'REL_BUD', 3);
42 define ( 'HOOK_HOOK', 0);
43 define ( 'HOOK_FILE', 1);
44 define ( 'HOOK_FUNCTION', 2);
50 * PAGE_NORMAL is a typical personal profile account
51 * PAGE_SOAPBOX automatically approves all friend requests as REL_FAN, (readonly)
52 * PAGE_COMMUNITY automatically approves all friend requests as REL_FAN, but with
53 * write access to wall and comments (no email and not included in page owner's ACL lists)
54 * PAGE_FREELOVE automatically approves all friend requests as full friends (REL_BUD).
58 define ( 'PAGE_NORMAL', 0 );
59 define ( 'PAGE_SOAPBOX', 1 );
60 define ( 'PAGE_COMMUNITY', 2 );
61 define ( 'PAGE_FREELOVE', 3 );
64 * Maximum number of "people who like (or don't like) this" that we will list by name
67 define ( 'MAX_LIKERS', 75);
70 * email notification options
73 define ( 'NOTIFY_INTRO', 0x0001 );
74 define ( 'NOTIFY_CONFIRM', 0x0002 );
75 define ( 'NOTIFY_WALL', 0x0004 );
76 define ( 'NOTIFY_COMMENT', 0x0008 );
77 define ( 'NOTIFY_MAIL', 0x0010 );
80 * various namespaces we may need to parse
83 define ( 'NAMESPACE_DFRN' , 'http://purl.org/macgirvin/dfrn/1.0' );
84 define ( 'NAMESPACE_THREAD' , 'http://purl.org/syndication/thread/1.0' );
85 define ( 'NAMESPACE_TOMB' , 'http://purl.org/atompub/tombstones/1.0' );
86 define ( 'NAMESPACE_ACTIVITY', 'http://activitystrea.ms/spec/1.0/' );
87 define ( 'NAMESPACE_ACTIVITY_SCHEMA', 'http://activitystrea.ms/schema/1.0/' );
88 define ( 'NAMESPACE_MEDIA', 'http://purl.org/syndication/atommedia' );
89 define ( 'NAMESPACE_SALMON_ME', 'http://salmon-protocol.org/ns/magic-env' );
90 define ( 'NAMESPACE_OSTATUSSUB', 'http://ostatus.org/schema/1.0/subscribe' );
91 define ( 'NAMESPACE_GEORSS', 'http://www.georss.org/georss' );
92 define ( 'NAMESPACE_POCO', 'http://portablecontacts.net/spec/1.0' );
93 define ( 'NAMESPACE_FEED', 'http://schemas.google.com/g/2010#updates-from' );
96 * activity stream defines
99 define ( 'ACTIVITY_LIKE', NAMESPACE_ACTIVITY_SCHEMA . 'like' );
100 define ( 'ACTIVITY_DISLIKE', NAMESPACE_DFRN . '/dislike' );
101 define ( 'ACTIVITY_OBJ_HEART', NAMESPACE_DFRN . '/heart' );
103 define ( 'ACTIVITY_FRIEND', NAMESPACE_ACTIVITY_SCHEMA . 'make-friend' );
104 define ( 'ACTIVITY_FOLLOW', NAMESPACE_ACTIVITY_SCHEMA . 'follow' );
105 define ( 'ACTIVITY_UNFOLLOW', NAMESPACE_ACTIVITY_SCHEMA . 'stop-following' );
106 define ( 'ACTIVITY_POST', NAMESPACE_ACTIVITY_SCHEMA . 'post' );
107 define ( 'ACTIVITY_UPDATE', NAMESPACE_ACTIVITY_SCHEMA . 'update' );
108 define ( 'ACTIVITY_TAG', NAMESPACE_ACTIVITY_SCHEMA . 'tag' );
110 define ( 'ACTIVITY_OBJ_COMMENT', NAMESPACE_ACTIVITY_SCHEMA . 'comment' );
111 define ( 'ACTIVITY_OBJ_NOTE', NAMESPACE_ACTIVITY_SCHEMA . 'note' );
112 define ( 'ACTIVITY_OBJ_PERSON', NAMESPACE_ACTIVITY_SCHEMA . 'person' );
113 define ( 'ACTIVITY_OBJ_PHOTO', NAMESPACE_ACTIVITY_SCHEMA . 'photo' );
114 define ( 'ACTIVITY_OBJ_P_PHOTO', NAMESPACE_ACTIVITY_SCHEMA . 'profile-photo' );
115 define ( 'ACTIVITY_OBJ_ALBUM', NAMESPACE_ACTIVITY_SCHEMA . 'photo-album' );
118 * item weight for query ordering
121 define ( 'GRAVITY_PARENT', 0);
122 define ( 'GRAVITY_LIKE', 3);
123 define ( 'GRAVITY_COMMENT', 6);
127 * Reverse the effect of magic_quotes_gpc if it is enabled.
128 * Please disable magic_quotes_gpc so we don't have to do this.
129 * See http://php.net/manual/en/security.magicquotes.disabling.php
133 if (get_magic_quotes_gpc()) {
134 $process = array(&$_GET, &$_POST, &$_COOKIE, &$_REQUEST);
135 while (list($key, $val) = each($process)) {
136 foreach ($val as $k => $v) {
137 unset($process[$key][$k]);
139 $process[$key][stripslashes($k)] = $v;
140 $process[] = &$process[$key][stripslashes($k)];
142 $process[$key][stripslashes($k)] = stripslashes($v);
154 * Our main application structure for the life of this page
155 * Primarily deals with the URL that got us here
156 * and tries to make some sense of it, and
157 * stores our page contents and config storage
158 * and anything else that might need to be passed around
159 * before we spit the page out.
163 if(! class_exists('App')) {
166 public $module_loaded = false;
167 public $query_string;
176 public $error = false;
185 public $interactive = true;
194 private $curl_headers;
196 function __construct() {
198 $this->config = array();
199 $this->page = array();
200 $this->pager= array();
202 $this->query_string = '';
204 $this->scheme = ((isset($_SERVER['HTTPS']) && ($_SERVER['HTTPS'])) ? 'https' : 'http' );
206 if(x($_SERVER,'SERVER_NAME'))
207 $this->hostname = $_SERVER['SERVER_NAME'];
209 set_include_path("include/$this->hostname" . PATH_SEPARATOR . 'include' . PATH_SEPARATOR . '.' );
211 if((x($_SERVER,'QUERY_STRING')) && substr($_SERVER['QUERY_STRING'],0,2) === "q=")
212 $this->query_string = substr($_SERVER['QUERY_STRING'],2);
214 $this->cmd = trim($_GET['q'],'/\\');
217 * Figure out if we are running at the top of a domain
218 * or in a sub-directory and adjust accordingly
221 $path = trim(dirname($_SERVER['SCRIPT_NAME']),'/\\');
222 if(isset($path) && strlen($path) && ($path != $this->path))
228 * Break the URL path into C style argc/argv style arguments for our
229 * modules. Given "http://example.com/module/arg1/arg2", $this->argc
230 * will be 3 (integer) and $this->argv will contain:
236 * There will always be one argument. If provided a naked domain
237 * URL, $this->argv[0] is set to "home".
241 $this->argv = explode('/',$this->cmd);
242 $this->argc = count($this->argv);
243 if((array_key_exists('0',$this->argv)) && strlen($this->argv[0])) {
244 $this->module = $this->argv[0];
247 $this->module = 'home';
251 * Special handling for the webfinger/lrdd host XRD file
252 * Just spit out the contents and exit.
255 if($this->cmd === '.well-known/host-meta')
256 require_once('include/hostxrd.php');
260 * See if there is any page number information, and initialise
264 $this->pager['page'] = ((x($_GET,'page')) ? $_GET['page'] : 1);
265 $this->pager['itemspage'] = 50;
266 $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
267 $this->pager['total'] = 0;
270 function get_baseurl($ssl = false) {
271 if(strlen($this->baseurl))
272 return $this->baseurl;
274 $this->baseurl = (($ssl) ? 'https' : $this->scheme) . "://" . $this->hostname . ((isset($this->path) && strlen($this->path)) ? '/' . $this->path : '' );
275 return $this->baseurl;
278 function set_baseurl($url) {
279 $this->baseurl = $url;
280 $this->hostname = basename($url);
283 function get_hostname() {
284 return $this->hostname;
287 function set_hostname($h) {
288 $this->hostname = $h;
291 function set_path($p) {
292 $this->path = trim(trim($p),'/');
295 function get_path() {
299 function set_pager_total($n) {
300 $this->pager['total'] = intval($n);
303 function set_pager_itemspage($n) {
304 $this->pager['itemspage'] = intval($n);
305 $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
309 function init_pagehead() {
310 $this->page['title'] = $this->config['sitename'];
311 $tpl = load_view_file("view/head.tpl");
312 $this->page['htmlhead'] = replace_macros($tpl,array(
313 '$baseurl' => $this->get_baseurl() . '/'
317 function set_curl_code($code) {
318 $this->curl_code = $code;
321 function get_curl_code() {
322 return $this->curl_code;
325 function set_curl_headers($headers) {
326 $this->curl_headers = $headers;
329 function get_curl_headers() {
330 return $this->curl_headers;
336 // retrieve the App structure
337 // useful in functions which require it but don't get it passed to them
339 if(! function_exists('get_app')) {
346 // Multi-purpose function to check variable state.
347 // Usage: x($var) or $x($array,'key')
348 // returns false if variable/key is not set
349 // if variable is set, returns 1 if has 'non-zero' value, otherwise returns 0.
350 // e.g. x('') or x(0) returns 0;
352 if(! function_exists('x')) {
353 function x($s,$k = NULL) {
355 if((is_array($s)) && (array_key_exists($k,$s))) {
373 // called from db initialisation if db is dead.
375 if(! function_exists('system_unavailable')) {
376 function system_unavailable() {
377 include('system_unavailable.php');
381 // Primarily involved with database upgrade, but also sets the
382 // base url for use in cmdline programs which don't have
383 // $_SERVER variables, and synchronising the state of installed plugins.
386 if(! function_exists('check_config')) {
387 function check_config(&$a) {
389 load_config('system');
391 $build = get_config('system','build');
393 $build = set_config('system','build',BUILD_ID);
395 $url = get_config('system','url');
397 $url = set_config('system','url',$a->get_baseurl());
399 if($build != BUILD_ID) {
400 $stored = intval($build);
401 $current = intval(BUILD_ID);
402 if(($stored < $current) && file_exists('update.php')) {
403 // We're reporting a different version than what is currently installed.
404 // Run any existing update scripts to bring the database up to current.
406 require_once('update.php');
407 for($x = $stored; $x < $current; $x ++) {
408 if(function_exists('update_' . $x)) {
409 $func = 'update_' . $x;
413 set_config('system','build', BUILD_ID);
419 * Synchronise plugins:
421 * $a->config['system']['addon'] contains a comma-separated list of names
422 * of plugins/addons which are used on this system.
423 * Go through the database list of already installed addons, and if we have
424 * an entry, but it isn't in the config list, call the uninstall procedure
425 * and mark it uninstalled in the database (for now we'll remove it).
426 * Then go through the config list and if we have a plugin that isn't installed,
427 * call the install procedure and add it to the database.
431 $r = q("SELECT * FROM `addon` WHERE `installed` = 1");
435 $installed = array();
437 $plugins = get_config('system','addon');
438 $plugins_arr = array();
441 $plugins_arr = explode(',',str_replace(' ', '',$plugins));
443 $installed_arr = array();
445 if(count($installed)) {
446 foreach($installed as $i) {
447 if(! in_array($i['name'],$plugins_arr)) {
448 logger("Addons: uninstalling " . $i['name']);
449 q("DELETE FROM `addon` WHERE `id` = %d LIMIT 1",
453 @include_once('addon/' . $i['name'] . '/' . $i['name'] . '.php');
454 if(function_exists($i['name'] . '_uninstall')) {
455 $func = $i['name'] . '_uninstall';
460 $installed_arr[] = $i['name'];
464 if(count($plugins_arr)) {
465 foreach($plugins_arr as $p) {
466 if(! in_array($p,$installed_arr)) {
467 logger("Addons: installing " . $p);
468 @include_once('addon/' . $p . '/' . $p . '.php');
469 if(function_exists($p . '_install')) {
470 $func = $p . '_install';
472 $r = q("INSERT INTO `addon` (`name`, `installed`) VALUES ( '%s', 1 ) ",
484 // This is our template processor.
485 // $s is the string requiring macro substitution.
486 // $r is an array of key value pairs (search => replace)
487 // returns substituted string.
488 // WARNING: this is pretty basic, and doesn't properly handle search strings that are substrings of each other.
489 // For instance if 'test' => "foo" and 'testing' => "bar", testing could become either bar or fooing,
490 // depending on the order in which they were declared in the array.
492 if(! function_exists('replace_macros')) {
493 function replace_macros($s,$r) {
498 if(is_array($r) && count($r)) {
499 foreach ($r as $k => $v ) {
504 return str_replace($search,$replace,$s);
508 // load string translation table for alternate language
510 if(! function_exists('load_translation_table')) {
511 function load_translation_table($lang) {
514 if(file_exists("view/$lang/strings.php"))
515 include("view/$lang/strings.php");
518 // translate string if translation exists
520 if(! function_exists('t')) {
525 if(x($a->strings,$s))
526 return $a->strings[$s];
530 // curl wrapper. If binary flag is true, return binary
533 if(! function_exists('fetch_url')) {
534 function fetch_url($url,$binary = false, &$redirects = 0) {
538 $ch = curl_init($url);
539 if(($redirects > 8) || (! $ch))
542 curl_setopt($ch, CURLOPT_HEADER, true);
543 curl_setopt($ch, CURLOPT_RETURNTRANSFER,true);
546 $curl_time = intval(get_config('system','curl_timeout'));
547 curl_setopt($ch, CURLOPT_TIMEOUT, (($curl_time !== false) ? $curl_time : 60));
549 // by default we will allow self-signed certs
550 // but you can override this
552 $check_cert = get_config('system','verifyssl');
553 curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, (($check_cert) ? true : false));
555 $prx = get_config('system','proxy');
557 curl_setopt($ch, CURLOPT_HTTPPROXYTUNNEL, 1);
558 curl_setopt($ch, CURLOPT_PROXY, $prx);
559 $prxusr = get_config('system','proxyuser');
561 curl_setopt($ch, CURLOPT_PROXYUSERPWD, $prxusr);
564 curl_setopt($ch, CURLOPT_BINARYTRANSFER,1);
566 $a->set_curl_code(0);
568 // don't let curl abort the entire application
569 // if it throws any errors.
571 $s = @curl_exec($ch);
573 $http_code = intval(curl_getinfo($ch, CURLINFO_HTTP_CODE));
574 $header = substr($s,0,strpos($s,"\r\n\r\n"));
575 if(stristr($header,'100') && (strlen($header) < 30)) {
576 // 100 Continue has two headers, get the real one
577 $s = substr($s,strlen($header)+4);
578 $header = substr($s,0,strpos($s,"\r\n\r\n"));
580 if($http_code == 301 || $http_code == 302 || $http_code == 303) {
582 preg_match('/(Location:|URI:)(.*?)\n/', $header, $matches);
583 $url = trim(array_pop($matches));
584 $url_parsed = parse_url($url);
585 if (isset($url_parsed)) {
587 return fetch_url($url,$binary,$redirects);
590 $a->set_curl_code($http_code);
591 $body = substr($s,strlen($header)+4);
592 $a->set_curl_headers($header);
598 // post request to $url. $params is an array of post variables.
600 if(! function_exists('post_url')) {
601 function post_url($url,$params, $headers = null, &$redirects = 0) {
603 $ch = curl_init($url);
604 if(($redirects > 8) || (! $ch))
607 curl_setopt($ch, CURLOPT_HEADER, true);
608 curl_setopt($ch, CURLOPT_RETURNTRANSFER,true);
609 curl_setopt($ch, CURLOPT_POST,1);
610 curl_setopt($ch, CURLOPT_POSTFIELDS,$params);
612 $curl_time = intval(get_config('system','curl_timeout'));
613 curl_setopt($ch, CURLOPT_TIMEOUT, (($curl_time !== false) ? $curl_time : 60));
615 if(is_array($headers))
616 curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
618 $check_cert = get_config('system','verifyssl');
619 curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, (($check_cert) ? true : false));
620 $prx = get_config('system','proxy');
622 curl_setopt($ch, CURLOPT_HTTPPROXYTUNNEL, 1);
623 curl_setopt($ch, CURLOPT_PROXY, $prx);
624 $prxusr = get_config('system','proxyuser');
626 curl_setopt($ch, CURLOPT_PROXYUSERPWD, $prxusr);
629 $a->set_curl_code(0);
631 // don't let curl abort the entire application
632 // if it throws any errors.
634 $s = @curl_exec($ch);
636 $http_code = intval(curl_getinfo($ch, CURLINFO_HTTP_CODE));
637 $header = substr($s,0,strpos($s,"\r\n\r\n"));
638 if(stristr($header,'100') && (strlen($header) < 30)) {
639 // 100 Continue has two headers, get the real one
640 $s = substr($s,strlen($header)+4);
641 $header = substr($s,0,strpos($s,"\r\n\r\n"));
643 if($http_code == 301 || $http_code == 302 || $http_code == 303) {
645 preg_match('/(Location:|URI:)(.*?)\n/', $header, $matches);
646 $url = trim(array_pop($matches));
647 $url_parsed = parse_url($url);
648 if (isset($url_parsed)) {
650 return post_url($url,$binary,$headers,$redirects);
653 $a->set_curl_code($http_code);
654 $body = substr($s,strlen($header)+4);
655 $a->set_curl_headers($header);
661 // random hash, 64 chars
663 if(! function_exists('random_string')) {
664 function random_string() {
665 return(hash('sha256',uniqid(rand(),true)));
669 * This is our primary input filter.
671 * The high bit hack only involved some old IE browser, forget which (IE5/Mac?)
672 * that had an XSS attack vector due to stripping the high-bit on an 8-bit character
673 * after cleansing, and angle chars with the high bit set could get through as markup.
675 * This is now disabled because it was interfering with some legitimate unicode sequences
676 * and hopefully there aren't a lot of those browsers left.
678 * Use this on any text input where angle chars are not valid or permitted
679 * They will be replaced with safer brackets. This may be filtered further
680 * if these are not allowed either.
684 if(! function_exists('notags')) {
685 function notags($string) {
687 return(str_replace(array("<",">"), array('[',']'), $string));
689 // High-bit filter no longer used
690 // return(str_replace(array("<",">","\xBA","\xBC","\xBE"), array('[',']','','',''), $string));
693 // use this on "body" or "content" input where angle chars shouldn't be removed,
694 // and allow them to be safely displayed.
696 if(! function_exists('escape_tags')) {
697 function escape_tags($string) {
699 return(htmlspecialchars($string));
702 // wrapper for adding a login box. If $register == true provide a registration
703 // link. This will most always depend on the value of $a->config['register_policy'].
704 // returns the complete html for inserting into the page
706 if(! function_exists('login')) {
707 function login($register = false) {
709 $register_html = (($register) ? load_view_file("view/register-link.tpl") : "");
711 $noid = get_config('system','no_openid');
713 $classname = 'no-openid';
714 $namelabel = t('Nickname or Email address: ');
715 $passlabel = t('Password: ');
719 $classname = 'openid';
720 $namelabel = t('Nickname/Email/OpenID: ');
721 $passlabel = t("Password \x28if not OpenID\x29: ");
724 $lostpass = t('Forgot your password?');
725 $lostlink = t('Password Reset');
727 if(x($_SESSION,'authenticated')) {
728 $tpl = load_view_file("view/logout.tpl");
731 $tpl = load_view_file("view/login.tpl");
735 $o = replace_macros($tpl,array(
736 '$register_html' => $register_html,
737 '$classname' => $classname,
738 '$namelabel' => $namelabel,
739 '$passlabel' => $passlabel,
741 '$lostpass' => $lostpass,
742 '$lostlink' => $lostlink
748 // generate a string that's random, but usually pronounceable.
749 // used to generate initial passwords
751 if(! function_exists('autoname')) {
752 function autoname($len) {
754 $vowels = array('a','a','ai','au','e','e','e','ee','ea','i','ie','o','ou','u');
755 if(mt_rand(0,5) == 4)
773 's','sc','sh','sm','sp','st',
781 $midcons = array('ck','ct','gn','ld','lf','lm','lt','mb','mm', 'mn','mp',
782 'nd','ng','nk','nt','rn','rp','rt');
784 $noend = array('bl', 'br', 'cl','cr','dr','fl','fr','gl','gr',
785 'kh', 'kl','kr','mn','pl','pr','rh','tr','qu','wh');
787 $start = mt_rand(0,2);
795 for ($x = 0; $x < $len; $x ++) {
796 $r = mt_rand(0,count($table) - 1);
799 if($table == $vowels)
800 $table = array_merge($cons,$midcons);
806 $word = substr($word,0,$len);
808 foreach($noend as $noe) {
809 if((strlen($word) > 2) && (substr($word,-2) == $noe)) {
810 $word = substr($word,0,-1);
814 if(substr($word,-1) == 'q')
815 $word = substr($word,0,-1);
819 // Used to end the current process, after saving session state.
821 if(! function_exists('killme')) {
823 session_write_close();
827 // redirect to another URL and terminate this process.
829 if(! function_exists('goaway')) {
830 function goaway($s) {
831 header("Location: $s");
835 // Generic XML return
836 // Outputs a basic dfrn XML status structure to STDOUT, with a <status> variable
837 // of $st and an optional text <message> of $message and terminates the current process.
839 if(! function_exists('xml_status')) {
840 function xml_status($st, $message = '') {
842 $xml_message = ((strlen($message)) ? "\t<message>" . xmlify($message) . "</message>\r\n" : '');
845 logger('xml_status returning non_zero: ' . $st . " message=" . $message);
847 header( "Content-type: text/xml" );
848 echo '<?xml version="1.0" encoding="UTF-8"?>'."\r\n";
849 echo "<result>\r\n\t<status>$st</status>\r\n$xml_message</result>\r\n";
853 // Returns the uid of locally logged in user or false.
855 if(! function_exists('local_user')) {
856 function local_user() {
857 if((x($_SESSION,'authenticated')) && (x($_SESSION,'uid')))
858 return intval($_SESSION['uid']);
862 // Returns contact id of authenticated site visitor or false
864 if(! function_exists('remote_user')) {
865 function remote_user() {
866 if((x($_SESSION,'authenticated')) && (x($_SESSION,'visitor_id')))
867 return intval($_SESSION['visitor_id']);
871 // contents of $s are displayed prominently on the page the next time
872 // a page is loaded. Usually used for errors or alerts.
874 if(! function_exists('notice')) {
875 function notice($s) {
878 $_SESSION['sysmsg'] .= $s;
881 // wrapper around config to limit the text length of an incoming message
883 if(! function_exists('get_max_import_size')) {
884 function get_max_import_size() {
886 return ((x($a->config,'max_import_size')) ? $a->config['max_import_size'] : 0 );
890 // escape text ($str) for XML transport
891 // returns escaped text.
893 if(! function_exists('xmlify')) {
894 function xmlify($str) {
897 for($x = 0; $x < strlen($str); $x ++) {
928 $buffer = trim($buffer);
933 // pass xml escaped text ($s), returns unescaped text
935 if(! function_exists('unxmlify')) {
936 function unxmlify($s) {
937 $ret = str_replace('&','&', $s);
938 $ret = str_replace(array('<','>','"','''),array('<','>','"',"'"),$ret);
942 // convenience wrapper, reverse the operation "bin2hex"
944 if(! function_exists('hex2bin')) {
945 function hex2bin($s) {
946 return(pack("H*",$s));
949 // Automatic pagination.
950 // To use, get the count of total items.
951 // Then call $a->set_pager_total($number_items);
952 // Optionally call $a->set_pager_itemspage($n) to the number of items to display on each page
953 // Then call paginate($a) after the end of the display loop to insert the pager block on the page
954 // (assuming there are enough items to paginate).
955 // When using with SQL, the setting LIMIT %d, %d => $a->pager['start'],$a->pager['itemspage']
956 // will limit the results to the correct items for the current page.
957 // The actual page handling is then accomplished at the application layer.
959 if(! function_exists('paginate')) {
960 function paginate(&$a) {
962 $stripped = preg_replace('/(&page=[0-9]*)/','',$a->query_string);
963 $stripped = str_replace('q=','',$stripped);
964 $stripped = trim($stripped,'/');
965 $url = $a->get_baseurl() . '/' . $stripped;
968 if($a->pager['total'] > $a->pager['itemspage']) {
969 $o .= '<div class="pager">';
970 if($a->pager['page'] != 1)
971 $o .= '<span class="pager_prev">'."<a href=\"$url".'&page='.($a->pager['page'] - 1).'">' . t('prev') . '</a></span> ';
973 $o .= "<span class=\"pager_first\"><a href=\"$url"."&page=1\">" . t('first') . "</a></span> ";
975 $numpages = $a->pager['total'] / $a->pager['itemspage'];
978 $numstop = $numpages;
981 $numstart = (($pagenum > 7) ? ($pagenum - 7) : 1);
982 $numstop = (($pagenum > ($numpages - 7)) ? $numpages : ($numstart + 14));
985 for($i = $numstart; $i <= $numstop; $i++){
986 if($i == $a->pager['page'])
987 $o .= '<span class="pager_current">'.(($i < 10) ? ' '.$i : $i);
989 $o .= "<span class=\"pager_n\"><a href=\"$url"."&page=$i\">".(($i < 10) ? ' '.$i : $i)."</a>";
993 if(($a->pager['total'] % $a->pager['itemspage']) != 0) {
994 if($i == $a->pager['page'])
995 $o .= '<span class="pager_current">'.(($i < 10) ? ' '.$i : $i);
997 $o .= "<span class=\"pager_n\"><a href=\"$url"."&page=$i\">".(($i < 10) ? ' '.$i : $i)."</a>";
1001 $lastpage = (($numpages > intval($numpages)) ? intval($numpages)+1 : $numpages);
1002 $o .= "<span class=\"pager_last\"><a href=\"$url"."&page=$lastpage\">" . t('last') . "</a></span> ";
1004 if(($a->pager['total'] - ($a->pager['itemspage'] * $a->pager['page'])) > 0)
1005 $o .= '<span class="pager_next">'."<a href=\"$url"."&page=".($a->pager['page'] + 1).'">' . t('next') . '</a></span>';
1006 $o .= '</div>'."\r\n";
1011 // Turn user/group ACLs stored as angle bracketed text into arrays
1013 if(! function_exists('expand_acl')) {
1014 function expand_acl($s) {
1015 // turn string array of angle-bracketed elements into numeric array
1016 // e.g. "<1><2><3>" => array(1,2,3);
1020 $t = str_replace('<','',$s);
1021 $a = explode('>',$t);
1022 foreach($a as $aa) {
1024 $ret[] = intval($aa);
1030 // Used to wrap ACL elements in angle brackets for storage
1032 if(! function_exists('sanitise_acl')) {
1033 function sanitise_acl(&$item) {
1035 $item = '<' . intval(notags(trim($item))) . '>';
1040 // retrieve a "family" of config variables from database to cached storage
1042 if(! function_exists('load_config')) {
1043 function load_config($family) {
1045 $r = q("SELECT * FROM `config` WHERE `cat` = '%s'",
1049 foreach($r as $rr) {
1051 $a->config[$family][$k] = $rr['v'];
1056 // get a particular config variable given the family name
1057 // and key. Returns false if not set.
1058 // $instore is only used by the set_config function
1059 // to determine if the key already exists in the DB
1060 // If a key is found in the DB but doesn't exist in
1061 // local config cache, pull it into the cache so we don't have
1062 // to hit the DB again for this item.
1064 if(! function_exists('get_config')) {
1065 function get_config($family, $key, $instore = false) {
1070 if(isset($a->config[$family][$key])) {
1071 if($a->config[$family][$key] === '!<unset>!') {
1074 return $a->config[$family][$key];
1077 $ret = q("SELECT `v` FROM `config` WHERE `cat` = '%s' AND `k` = '%s' LIMIT 1",
1082 $a->config[$family][$key] = $ret[0]['v'];
1083 return $ret[0]['v'];
1086 $a->config[$family][$key] = '!<unset>!';
1091 // Store a config value ($value) in the category ($family)
1092 // under the key ($key)
1093 // Return the value, or false if the database update failed
1095 if(! function_exists('set_config')) {
1096 function set_config($family,$key,$value) {
1099 $a->config[$family][$key] = $value;
1101 if(get_config($family,$key,true) === false) {
1102 $ret = q("INSERT INTO `config` ( `cat`, `k`, `v` ) VALUES ( '%s', '%s', '%s' ) ",
1111 $ret = q("UPDATE `config` SET `v` = '%s' WHERE `cat` = '%s' AND `k` = '%s' LIMIT 1",
1122 if(! function_exists('load_pconfig')) {
1123 function load_pconfig($uid,$family) {
1125 $r = q("SELECT * FROM `pconfig` WHERE `cat` = '%s' AND `uid` = %d",
1130 foreach($r as $rr) {
1132 $a->config[$uid][$family][$k] = $rr['v'];
1139 if(! function_exists('get_pconfig')) {
1140 function get_pconfig($uid,$family, $key, $instore = false) {
1145 if(isset($a->config[$uid][$family][$key])) {
1146 if($a->config[$uid][$family][$key] === '!<unset>!') {
1149 return $a->config[$uid][$family][$key];
1152 $ret = q("SELECT `v` FROM `pconfig` WHERE `uid` = %d AND `cat` = '%s' AND `k` = '%s' LIMIT 1",
1158 $a->config[$uid][$family][$key] = $ret[0]['v'];
1159 return $ret[0]['v'];
1162 $a->config[$uid][$family][$key] = '!<unset>!';
1167 if(! function_exists('del_config')) {
1168 function del_config($family,$key) {
1171 if(x($a->config[$family],$key))
1172 unset($a->config[$family][$key]);
1173 $ret = q("DELETE FROM `config` WHERE `cat` = '%s' AND `k` = '%s' LIMIT 1",
1182 // Same as above functions except these are for personal config storage and take an
1183 // additional $uid argument.
1185 if(! function_exists('set_pconfig')) {
1186 function set_pconfig($uid,$family,$key,$value) {
1189 $a->config[$uid][$family][$key] = $value;
1191 if(get_pconfig($uid,$family,$key,true) === false) {
1192 $ret = q("INSERT INTO `pconfig` ( `uid`, `cat`, `k`, `v` ) VALUES ( %d, '%s', '%s', '%s' ) ",
1202 $ret = q("UPDATE `pconfig` SET `v` = '%s' WHERE `uid` = %d AND `cat` = '%s' AND `k` = '%s' LIMIT 1",
1214 if(! function_exists('del_pconfig')) {
1215 function del_pconfig($uid,$family,$key) {
1218 if(x($a->config[$uid][$family],$key))
1219 unset($a->config[$uid][$family][$key]);
1220 $ret = q("DELETE FROM `pconfig` WHERE `uid` = %d AND `cat` = '%s' AND `k` = '%s' LIMIT 1",
1229 // convert an XML document to a normalised, case-corrected array
1230 // used by webfinger
1232 if(! function_exists('convert_xml_element_to_array')) {
1233 function convert_xml_element_to_array($xml_element, &$recursion_depth=0) {
1235 // If we're getting too deep, bail out
1236 if ($recursion_depth > 512) {
1240 if (!is_string($xml_element) &&
1241 !is_array($xml_element) &&
1242 (get_class($xml_element) == 'SimpleXMLElement')) {
1243 $xml_element_copy = $xml_element;
1244 $xml_element = get_object_vars($xml_element);
1247 if (is_array($xml_element)) {
1248 $result_array = array();
1249 if (count($xml_element) <= 0) {
1250 return (trim(strval($xml_element_copy)));
1253 foreach($xml_element as $key=>$value) {
1256 $result_array[strtolower($key)] =
1257 convert_xml_element_to_array($value, $recursion_depth);
1260 if ($recursion_depth == 0) {
1261 $temp_array = $result_array;
1262 $result_array = array(
1263 strtolower($xml_element_copy->getName()) => $temp_array,
1267 return ($result_array);
1270 return (trim(strval($xml_element)));
1274 // Given an email style address, perform webfinger lookup and
1275 // return the resulting DFRN profile URL, or if no DFRN profile URL
1276 // is located, returns an OStatus subscription template (prefixed
1277 // with the string 'stat:' to identify it as on OStatus template).
1278 // If this isn't an email style address just return $s.
1279 // Return an empty string if email-style addresses but webfinger fails,
1280 // or if the resultant personal XRD doesn't contain a supported
1281 // subscription/friend-request attribute.
1283 if(! function_exists('webfinger_dfrn')) {
1284 function webfinger_dfrn($s) {
1285 if(! strstr($s,'@')) {
1288 $links = webfinger($s);
1289 logger('webfinger_dfrn: ' . $s . ':' . print_r($links,true), LOGGER_DATA);
1291 foreach($links as $link)
1292 if($link['@attributes']['rel'] === NAMESPACE_DFRN)
1293 return $link['@attributes']['href'];
1294 foreach($links as $link)
1295 if($link['@attributes']['rel'] === NAMESPACE_OSTATUSSUB)
1296 return 'stat:' . $link['@attributes']['template'];
1301 // Given an email style address, perform webfinger lookup and
1302 // return the array of link attributes from the personal XRD file.
1303 // On error/failure return an empty array.
1306 if(! function_exists('webfinger')) {
1307 function webfinger($s) {
1309 if(strstr($s,'@')) {
1310 $host = substr($s,strpos($s,'@') + 1);
1313 $tpl = fetch_lrdd_template($host);
1314 logger('webfinger: lrdd template: ' . $tpl);
1316 $pxrd = str_replace('{uri}', urlencode('acct:'.$s), $tpl);
1317 $links = fetch_xrd_links($pxrd);
1318 if(! count($links)) {
1319 // try with double slashes
1320 $pxrd = str_replace('{uri}', urlencode('acct://'.$s), $tpl);
1321 $links = fetch_xrd_links($pxrd);
1329 if(! function_exists('lrdd')) {
1330 function lrdd($uri) {
1334 if(strstr($uri,'@')) {
1335 return(webfinger($uri));
1338 $html = fetch_url($uri);
1339 $headers = $a->get_curl_headers();
1340 $lines = explode("\n",$headers);
1342 foreach($lines as $line) {
1343 // TODO alter the following regex to support multiple relations (space separated)
1344 if((stristr($line,'link:')) && preg_match('/<([^>].*)>.*rel\=[\'\"]lrdd[\'\"]/',$line,$matches)) {
1345 $link = $matches[1];
1350 if(! isset($link)) {
1351 // parse the page of the supplied URL looking for rel links
1353 require_once('library/HTML5/Parser.php');
1354 $dom = HTML5_Parser::parse($html);
1357 $items = $dom->getElementsByTagName('link');
1359 foreach($items as $item) {
1360 $x = $item->getAttribute('rel');
1362 $link = $item->getAttribute('href');
1370 return(fetch_xrd_links($link));
1377 // Given a host name, locate the LRDD template from that
1378 // host. Returns the LRDD template or an empty string on
1381 if(! function_exists('fetch_lrdd_template')) {
1382 function fetch_lrdd_template($host) {
1384 $url = 'http://' . $host . '/.well-known/host-meta' ;
1385 $links = fetch_xrd_links($url);
1387 foreach($links as $link)
1388 if($link['@attributes']['rel'] && $link['@attributes']['rel'] === 'lrdd')
1389 $tpl = $link['@attributes']['template'];
1391 if(! strpos($tpl,'{uri}'))
1396 // Given a URL, retrieve the page as an XRD document.
1397 // Return an array of links.
1398 // on error/failure return empty array.
1400 if(! function_exists('fetch_xrd_links')) {
1401 function fetch_xrd_links($url) {
1404 $xml = fetch_url($url);
1408 logger('fetch_xrd_links: ' . $xml, LOGGER_DATA);
1409 $h = simplexml_load_string($xml);
1410 $arr = convert_xml_element_to_array($h);
1412 if(isset($arr['xrd']['link'])) {
1413 $link = $arr['xrd']['link'];
1414 if(! isset($link[0]))
1415 $links = array($link);
1423 // Convert an ACL array to a storable string
1425 if(! function_exists('perms2str')) {
1426 function perms2str($p) {
1429 if(is_array($tmp)) {
1430 array_walk($tmp,'sanitise_acl');
1431 $ret = implode('',$tmp);
1436 // generate a guaranteed unique (for this domain) item ID for ATOM
1437 // safe from birthday paradox
1439 if(! function_exists('item_new_uri')) {
1440 function item_new_uri($hostname,$uid) {
1444 $hash = random_string();
1446 $uri = "urn:X-dfrn:" . $hostname . ':' . $uid . ':' . $hash;
1448 $r = q("SELECT `id` FROM `item` WHERE `uri` = '%s' LIMIT 1",
1452 } while($dups == true);
1456 // Generate a guaranteed unique photo ID.
1457 // safe from birthday paradox
1459 if(! function_exists('photo_new_resource')) {
1460 function photo_new_resource() {
1464 $resource = hash('md5',uniqid(mt_rand(),true));
1465 $r = q("SELECT `id` FROM `photo` WHERE `resource-id` = '%s' LIMIT 1",
1470 } while($found == true);
1475 // Take a URL from the wild, prepend http:// if necessary
1476 // and check DNS to see if it's real
1477 // return true if it's OK, false if something is wrong with it
1479 if(! function_exists('validate_url')) {
1480 function validate_url(&$url) {
1481 if(substr($url,0,4) != 'http')
1482 $url = 'http://' . $url;
1483 $h = parse_url($url);
1485 if(($h) && (dns_get_record($h['host'], DNS_A + DNS_CNAME + DNS_PTR))) {
1491 // checks that email is an actual resolvable internet address
1493 if(! function_exists('validate_email')) {
1494 function validate_email($addr) {
1496 if(! strpos($addr,'@'))
1498 $h = substr($addr,strpos($addr,'@') + 1);
1500 if(($h) && (dns_get_record($h['host'], DNS_A + DNS_CNAME + DNS_PTR + DNS_MX))) {
1506 // Check $url against our list of allowed sites,
1507 // wildcards allowed. If allowed_sites is unset return true;
1508 // If url is allowed, return true.
1509 // otherwise, return false
1511 if(! function_exists('allowed_url')) {
1512 function allowed_url($url) {
1514 $h = parse_url($url);
1520 $str_allowed = get_config('system','allowed_sites');
1526 $host = strtolower($h['host']);
1528 // always allow our own site
1530 if($host == strtolower($_SERVER['SERVER_NAME']))
1533 $fnmatch = function_exists('fnmatch');
1534 $allowed = explode(',',$str_allowed);
1536 if(count($allowed)) {
1537 foreach($allowed as $a) {
1538 $pat = strtolower(trim($a));
1539 if(($fnmatch && fnmatch($pat,$host)) || ($pat == $host)) {
1548 // check if email address is allowed to register here.
1549 // Compare against our list (wildcards allowed).
1550 // Returns false if not allowed, true if allowed or if
1551 // allowed list is not configured.
1553 if(! function_exists('allowed_email')) {
1554 function allowed_email($email) {
1557 $domain = strtolower(substr($email,strpos($email,'@') + 1));
1561 $str_allowed = get_config('system','allowed_email');
1567 $fnmatch = function_exists('fnmatch');
1568 $allowed = explode(',',$str_allowed);
1570 if(count($allowed)) {
1571 foreach($allowed as $a) {
1572 $pat = strtolower(trim($a));
1573 if(($fnmatch && fnmatch($pat,$host)) || ($pat == $host)) {
1582 // Format the like/dislike text for a profile item
1583 // $cnt = number of people who like/dislike the item
1584 // $arr = array of pre-linked names of likers/dislikers
1585 // $type = one of 'like, 'dislike'
1587 // returns formatted text
1589 if(! function_exists('format_like')) {
1590 function format_like($cnt,$arr,$type,$id) {
1593 $o .= $arr[0] . (($type === 'like') ? t(' likes this.') : t(' doesn\'t like this.')) . EOL ;
1595 $o .= '<span class="fakelink" onclick="openClose(\'' . $type . 'list-' . $id . '\');" >'
1596 . $cnt . ' ' . t('people') . '</span> ' . (($type === 'like') ? t('like this.') : t('don\'t like this.')) . EOL ;
1597 $total = count($arr);
1598 if($total >= MAX_LIKERS)
1599 $arr = array_slice($arr, 0, MAX_LIKERS - 1);
1600 if($total < MAX_LIKERS)
1601 $arr[count($arr)-1] = t('and') . ' ' . $arr[count($arr)-1];
1602 $str = implode(', ', $arr);
1603 if($total >= MAX_LIKERS)
1604 $str .= t(', and ') . $total - MAX_LIKERS . t(' other people');
1605 $str .= (($type === 'like') ? t(' like this.') : t(' don\'t like this.'));
1606 $o .= "\t" . '<div id="' . $type . 'list-' . $id . '" style="display: none;" >' . $str . '</div>';
1612 // wrapper to load a view template, checking for alternate
1613 // languages before falling back to the default
1615 if(! function_exists('load_view_file')) {
1616 function load_view_file($s) {
1619 $lang = get_config('system','language');
1622 if(file_exists("$d/$lang/$b"))
1623 return file_get_contents("$d/$lang/$b");
1624 return file_get_contents($s);
1627 // for html,xml parsing - let's say you've got
1628 // an attribute foobar="class1 class2 class3"
1629 // and you want to find out if it contains 'class3'.
1630 // you can't use a normal sub string search because you
1631 // might match 'notclass3' and a regex to do the job is
1632 // possible but a bit complicated.
1633 // pass the attribute string as $attr and the attribute you
1634 // are looking for as $s - returns true if found, otherwise false
1636 if(! function_exists('attribute_contains')) {
1637 function attribute_contains($attr,$s) {
1638 $a = explode(' ', $attr);
1639 if(count($a) && in_array($s,$a))
1644 if(! function_exists('logger')) {
1645 function logger($msg,$level = 0) {
1647 $debugging = get_config('system','debugging');
1648 $loglevel = intval(get_config('system','loglevel'));
1649 $logfile = get_config('system','logfile');
1651 if((! $debugging) || (! $logfile) || ($level > $loglevel))
1654 @file_put_contents($logfile, datetime_convert() . ':' . session_id() . ' ' . $msg . "\n", FILE_APPEND);
1659 if(! function_exists('activity_match')) {
1660 function activity_match($haystack,$needle) {
1661 if(($haystack === $needle) || ((basename($needle) === $haystack) && strstr($needle,NAMESPACE_ACTIVITY_SCHEMA)))
1667 // Pull out all #hashtags and @person tags from $s;
1668 // We also get @person@domain.com - which would make
1669 // the regex quite complicated as tags can also
1670 // end a sentence. So we'll run through our results
1671 // and strip the period from any tags which end with one.
1672 // Returns array of tags found, or empty array.
1675 if(! function_exists('get_tags')) {
1676 function get_tags($s) {
1678 if(preg_match_all('/([@#][^ \x0D\x0A,:?]*)([ \x0D\x0A,:?]|$)/',$s,$match)) {
1679 foreach($match[1] as $match) {
1680 if(strstr($match,"]")) {
1681 // we might be inside a bbcode color tag - leave it alone
1684 if(substr($match,-1,1) === '.')
1685 $ret[] = substr($match,0,-1);
1695 // quick and dirty quoted_printable encoding
1697 if(! function_exists('qp')) {
1699 return str_replace ("%","=",rawurlencode($s));
1703 if(! function_exists('like_puller')) {
1704 function like_puller($a,$item,&$arr,$mode) {
1708 $verb = (($mode === 'like') ? ACTIVITY_LIKE : ACTIVITY_DISLIKE);
1710 if((activity_match($item['verb'],$verb)) && ($item['id'] != $item['parent'])) {
1711 $url = $item['author-link'];
1712 if(($item['network'] === 'dfrn') && (! $item['self']) && ($item['author-link'] == $item['url'])) {
1713 $url = $a->get_baseurl() . '/redir/' . $item['contact-id'];
1714 $sparkle = ' class="sparkle" ';
1716 if(! ((isset($arr[$item['parent'] . '-l'])) && (is_array($arr[$item['parent'] . '-l']))))
1717 $arr[$item['parent'] . '-l'] = array();
1718 if(! isset($arr[$item['parent']]))
1719 $arr[$item['parent']] = 1;
1721 $arr[$item['parent']] ++;
1722 $arr[$item['parent'] . '-l'][] = '<a href="'. $url . '"'. $sparkle .'>' . $item['author-name'] . '</a>';
1727 if(! function_exists('get_mentions')) {
1728 function get_mentions($item) {
1730 if(! strlen($item['tag']))
1733 $arr = explode(',',$item['tag']);
1734 foreach($arr as $x) {
1736 if(preg_match('/@\[url=([^\]]*)\]/',$x,$matches))
1737 $o .= "\t\t" . '<link rel="mentioned" href="' . $matches[1] . '" />' . "\r\n";
1742 if(! function_exists('contact_block')) {
1743 function contact_block() {
1747 $shown = get_pconfig($a->profile['uid'],'system','display_friend_count');
1751 if((! is_array($a->profile)) || ($a->profile['hide-friends']))
1753 $r = q("SELECT COUNT(*) AS `total` FROM `contact` WHERE `uid` = %d AND `self` = 0 AND `blocked` = 0 and `pending` = 0",
1754 intval($a->profile['uid'])
1757 $total = intval($r[0]['total']);
1760 $o .= '<h4 class="contact-h4">' . t('No contacts') . '</h4>';
1763 $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 0 AND `blocked` = 0 and `pending` = 0 ORDER BY RAND() LIMIT %d",
1764 intval($a->profile['uid']),
1768 $o .= '<h4 class="contact-h4">' . $total . ' ' . t('Contacts') . '</h4><div id="contact-block">';
1769 foreach($r as $rr) {
1770 $redirect_url = $a->get_baseurl() . '/redir/' . $rr['id'];
1771 if(local_user() && ($rr['uid'] == local_user())
1772 && ($rr['network'] === 'dfrn')) {
1773 $url = $redirect_url;
1774 $sparkle = ' sparkle';
1781 $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";
1783 $o .= '</div><div id="contact-block-end"></div>';
1784 $o .= '<div id="viewcontacts"><a id="viewcontacts-link" href="viewcontacts/' . $a->profile['nickname'] . '">' . t('View Contacts') . '</a></div>';
1788 $arr = array('contacts' => $r, 'output' => $o);
1790 call_hooks('contact_block_end', $arr);
1795 if(! function_exists('search')) {
1796 function search($s) {
1798 $o = '<div id="search-box">';
1799 $o .= '<form action="' . $a->get_baseurl() . '/search' . '" method="get" >';
1800 $o .= '<input type="text" name="search" id="search-text" value="' . $s .'" />';
1801 $o .= '<input type="submit" name="submit" id="search-submit" value="' . t('Search') . '" />';
1802 $o .= '</form></div>';
1806 if(! function_exists('valid_email')) {
1807 function valid_email($x){
1808 if(preg_match('/^[_a-zA-Z0-9-]+(\.[_a-zA-Z0-9-]+)*@[a-zA-Z0-9-]+(\.[a-zA-Z0-9-]+)+$/',$x))
1814 if(! function_exists('gravatar_img')) {
1815 function gravatar_img($email) {
1817 $opt = 'identicon'; // psuedo-random geometric pattern if not found
1819 $hash = md5(trim(strtolower($email)));
1821 $url = 'http://www.gravatar.com/avatar/' . $hash . '.jpg'
1822 . '?s=' . $size . '&d=' . $opt . '&r=' . $rating;
1824 logger('gravatar: ' . $email . ' ' . $url);
1828 if(! function_exists('aes_decrypt')) {
1829 function aes_decrypt($val,$ky)
1831 $key="\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
1832 for($a=0;$a<strlen($ky);$a++)
1833 $key[$a%16]=chr(ord($key[$a%16]) ^ ord($ky[$a]));
1834 $mode = MCRYPT_MODE_ECB;
1835 $enc = MCRYPT_RIJNDAEL_128;
1836 $dec = @mcrypt_decrypt($enc, $key, $val, $mode, @mcrypt_create_iv( @mcrypt_get_iv_size($enc, $mode), MCRYPT_DEV_URANDOM ) );
1837 return rtrim($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));
1841 if(! function_exists('aes_encrypt')) {
1842 function aes_encrypt($val,$ky)
1844 $key="\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
1845 for($a=0;$a<strlen($ky);$a++)
1846 $key[$a%16]=chr(ord($key[$a%16]) ^ ord($ky[$a]));
1847 $mode=MCRYPT_MODE_ECB;
1848 $enc=MCRYPT_RIJNDAEL_128;
1849 $val=str_pad($val, (16*(floor(strlen($val) / 16)+(strlen($val) % 16==0?2:1))), chr(16-(strlen($val) % 16)));
1850 return mcrypt_encrypt($enc, $key, $val, $mode, mcrypt_create_iv( mcrypt_get_iv_size($enc, $mode), MCRYPT_DEV_URANDOM));
1858 * Replace naked text hyperlink with HTML formatted hyperlink
1862 if(! function_exists('linkify')) {
1863 function linkify($s) {
1864 $s = preg_replace("/(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\.\=\_\~\#\'\%]*)/", ' <a href="$1" >$1</a>', $s);
1874 * Replaces text emoticons with graphical images
1876 * @Parameter: string $s
1881 if(! function_exists('smilies')) {
1882 function smilies($s) {
1886 array( ':-)', ';-)', ':-(', ':(', ':-P', ':-"', ':-x', ':-X', ':-D', '8-|', '8-O'),
1888 '<img src="' . $a->get_baseurl() . '/images/smiley-smile.gif" alt=":-)" />',
1889 '<img src="' . $a->get_baseurl() . '/images/smiley-wink.gif" alt=";-)" />',
1890 '<img src="' . $a->get_baseurl() . '/images/smiley-frown.gif" alt=":-(" />',
1891 '<img src="' . $a->get_baseurl() . '/images/smiley-frown.gif" alt=":(" />',
1892 '<img src="' . $a->get_baseurl() . '/images/smiley-tongue-out.gif" alt=":-P" />',
1893 '<img src="' . $a->get_baseurl() . '/images/smiley-kiss.gif" alt=":-\"" />',
1894 '<img src="' . $a->get_baseurl() . '/images/smiley-kiss.gif" alt=":-x" />',
1895 '<img src="' . $a->get_baseurl() . '/images/smiley-kiss.gif" alt=":-X" />',
1896 '<img src="' . $a->get_baseurl() . '/images/smiley-laughing.gif" alt=":-D" />',
1897 '<img src="' . $a->get_baseurl() . '/images/smiley-surprised.gif" alt="8-|" />',
1898 '<img src="' . $a->get_baseurl() . '/images/smiley-surprised.gif" alt="8-O" />'
1905 * Function : profile_load
1907 * @parameter string $nickname
1908 * @parameter int $profile
1910 * Summary: Loads a profile into the page sidebar.
1911 * The function requires a writeable copy of the main App structure, and the nickname
1912 * of a registered local account.
1914 * If the viewer is an authenticated remote viewer, the profile displayed is the
1915 * one that has been configured for his/her viewing in the Contact manager.
1916 * Passing a non-zero profile ID can also allow a preview of a selected profile
1919 * Profile information is placed in the App structure for later retrieval.
1920 * Honours the owner's chosen theme for display.
1924 if(! function_exists('profile_load')) {
1925 function profile_load(&$a, $nickname, $profile = 0) {
1927 $r = q("SELECT `profile-id` FROM `contact` WHERE `id` = %d LIMIT 1",
1928 intval($_SESSION['visitor_id']));
1930 $profile = $r[0]['profile-id'];
1936 $profile_int = intval($profile);
1937 $r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `user`.* FROM `profile`
1938 LEFT JOIN `user` ON `profile`.`uid` = `user`.`uid`
1939 WHERE `user`.`nickname` = '%s' AND `profile`.`id` = %d LIMIT 1",
1941 intval($profile_int)
1945 $r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `user`.* FROM `profile`
1946 LEFT JOIN `user` ON `profile`.`uid` = `user`.`uid`
1947 WHERE `user`.`nickname` = '%s' AND `profile`.`is-default` = 1 LIMIT 1",
1952 if(($r === false) || (! count($r))) {
1953 notice( t('No profile') . EOL );
1958 $a->profile = $r[0];
1961 $a->page['title'] = $a->profile['name'] . " @ " . $a->config['sitename'];
1962 $_SESSION['theme'] = $a->profile['theme'];
1964 if(! (x($a->page,'aside')))
1965 $a->page['aside'] = '';
1967 $a->page['aside'] .= profile_sidebar($a->profile);
1968 $a->page['aside'] .= contact_block();
1976 * Function: profile_sidebar
1978 * Formats a profile for display in the sidebar.
1979 * It is very difficult to templatise the HTML completely
1980 * because of all the conditional logic.
1982 * @parameter: array $profile
1984 * Returns HTML string stuitable for sidebar inclusion
1985 * Exceptions: Returns empty string if passed $profile is wrong type or not populated
1990 if(! function_exists('profile_sidebar')) {
1991 function profile_sidebar($profile) {
1997 if((! is_array($profile)) && (! count($profile)))
2000 $fullname = '<div class="fn">' . $profile['name'] . '</div>';
2004 $photo = '<div id="profile=photo-wrapper"><img class="photo" src="' . $profile['photo'] . '" alt="' . $profile['name'] . '" /></div>';
2006 $connect = (($profile['uid'] != local_user()) ? '<li><a id="dfrn-request-link" href="dfrn_request/' . $profile['nickname'] . '">' . t('Connect') . '</a></li>' : '');
2008 if((x($profile,'address') == 1)
2009 || (x($profile,'locality') == 1)
2010 || (x($profile,'region') == 1)
2011 || (x($profile,'postal-code') == 1)
2012 || (x($profile,'country-name') == 1))
2016 $location .= '<div class="location"><span class="location-label">' . t('Location:') . '</span> <div class="adr">';
2017 $location .= ((x($profile,'address') == 1) ? '<div class="street-address">' . $profile['address'] . '</div>' : '');
2018 $location .= (((x($profile,'locality') == 1) || (x($profile,'region') == 1) || (x($profile,'postal-code') == 1))
2019 ? '<span class="city-state-zip"><span class="locality">' . $profile['locality'] . '</span>'
2020 . ((x($profile['locality']) == 1) ? t(', ') : '')
2021 . '<span class="region">' . $profile['region'] . '</span>'
2022 . ' <span class="postal-code">' . $profile['postal-code'] . '</span></span>' : '');
2023 $location .= ((x($profile,'country-name') == 1) ? ' <span class="country-name">' . $profile['country-name'] . '</span>' : '');
2024 $location .= '</div></div><div class="profile-clear"></div>';
2028 $gender = ((x($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>' : '');
2030 $pubkey = ((x($profile,'pubkey') == 1) ? '<div class="key" style="display:none;">' . $profile['pubkey'] . '</div>' : '');
2032 $marital = ((x($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>' : '');
2034 $homepage = ((x($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>' : '');
2036 $tpl = load_view_file('view/profile_vcard.tpl');
2038 $o .= replace_macros($tpl, array(
2039 '$fullname' => $fullname,
2042 '$connect' => $connect,
2043 '$location' => $location,
2044 '$gender' => $gender,
2045 '$pubkey' => $pubkey,
2046 '$marital' => $marital,
2047 '$homepage' => $homepage
2050 call_hooks('profile_sidebar', $o);
2056 if(! function_exists('register_hook')) {
2057 function register_hook($hook,$file,$function) {
2059 $r = q("SELECT * FROM `hook` WHERE `hook` = '%s' AND `file` = '%s' AND `function` = '%s' LIMIT 1",
2067 $r = q("INSERT INTO `hook` (`hook`, `file`, `function`) VALUES ( '%s', '%s', '%s' ) ",
2075 if(! function_exists('unregister_hook')) {
2076 function unregister_hook($hook,$file,$function) {
2078 $r = q("DELETE FROM `hook` WHERE `hook` = '%s' AND `file` = '%s' AND `function` = '%s' LIMIT 1",
2087 if(! function_exists('load_hooks')) {
2088 function load_hooks() {
2090 $r = q("SELECT * FROM `hook` WHERE 1");
2092 foreach($r as $rr) {
2093 $a->hooks[] = array($rr['hook'], $rr['file'], $rr['function']);
2099 if(! function_exists('call_hooks')) {
2100 function call_hooks($name, &$data = null) {
2103 if(count($a->hooks)) {
2104 foreach($a->hooks as $hook) {
2105 if($hook[HOOK_HOOK] === $name) {
2106 @include_once($hook[HOOK_FILE]);
2107 if(function_exists($hook[HOOK_FUNCTION])) {
2108 $func = $hook[HOOK_FUNCTION];