5 define ( 'BUILD_ID' , 1001 );
7 define ( 'EOL', "<br />\r\n");
9 define ( 'REGISTER_CLOSED', 0);
10 define ( 'REGISTER_APPROVE', 1);
11 define ( 'REGISTER_OPEN', 2);
13 define ( 'DIRECTION_NONE', 0); // No relationship
14 define ( 'DIRECTION_IN', 1); // VIP e.g. has FAN
15 define ( 'DIRECTION_OUT', 2); // FAN to a VIP
16 define ( 'DIRECTION_BOTH', 3); // Mutual Friends
18 define ( 'NOTIFY_INTRO', 0x0001 );
19 define ( 'NOTIFY_CONFIRM', 0x0002 );
20 define ( 'NOTIFY_WALL', 0x0004 );
21 define ( 'NOTIFY_COMMENT', 0x0008 );
22 define ( 'NOTIFY_MAIL', 0x0010 );
24 define ( 'NAMESPACE_DFRN' , 'http://purl.org/macgirvin/dfrn/1.0' );
25 define ( 'NAMESPACE_ACTIVITY', 'http://activitystrea.ms/schema/1.0/' );
27 if(! class_exists('App')) {
30 public $module_loaded = false;
39 public $error = false;
53 function __construct() {
55 $this->config = array();
56 $this->page = array();
57 $this->pager= array();
59 $this->scheme = ((isset($_SERVER['HTTPS'])
60 && ($_SERVER['HTTPS'])) ? 'https' : 'http' );
61 $this->hostname = str_replace('www.','',
62 $_SERVER['SERVER_NAME']);
63 set_include_path("include/$this->hostname"
64 . PATH_SEPARATOR . 'include'
65 . PATH_SEPARATOR . '.' );
67 if(substr($_SERVER['QUERY_STRING'],0,2) == "q=")
68 $_SERVER['QUERY_STRING'] = substr($_SERVER['QUERY_STRING'],2);
69 $this->cmd = trim($_GET['q'],'/');
72 $this->argv = explode('/',$this->cmd);
73 $this->argc = count($this->argv);
74 if((array_key_exists('0',$this->argv)) && strlen($this->argv[0])) {
75 $this->module = $this->argv[0];
78 $this->module = 'home';
81 if($this->cmd == '.well-known/host-meta')
82 require_once('include/hostxrd.php');
84 $this->pager['page'] = ((x($_GET,'page')) ? $_GET['page'] : 1);
85 $this->pager['itemspage'] = 50;
86 $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
87 $this->pager['total'] = 0;
90 function get_baseurl($ssl = false) {
91 if(strlen($this->baseurl))
92 return $this->baseurl;
94 $this->baseurl = (($ssl) ? 'https' : $this->scheme) . "://" . $this->hostname
95 . ((isset($this->path) && strlen($this->path))
96 ? '/' . $this->path : '' );
97 return $this->baseurl;
100 function set_baseurl($url) {
101 $this->baseurl = $url;
102 $this->hostname = basename($url);
105 function get_hostname() {
106 return $this->hostname;
109 function set_hostname($h) {
110 $this->hostname = $h;
113 function set_path($p) {
114 $this->path = ltrim(trim($p),'/');
117 function get_path() {
121 function set_pager_total($n) {
122 $this->pager['total'] = intval($n);
125 function set_pager_itemspage($n) {
126 $this->pager['itemspage'] = intval($n);
127 $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
131 function init_pagehead() {
132 if(file_exists("view/head.tpl"))
133 $s = file_get_contents("view/head.tpl");
134 $this->page['htmlhead'] = replace_macros($s,array(
135 '$baseurl' => $this->get_baseurl()
142 if(! function_exists('x')) {
143 function x($s,$k = NULL) {
145 if((is_array($s)) && (array_key_exists($k,$s))) {
163 if(! function_exists('system_unavailable')) {
164 function system_unavailable() {
165 include('system_unavailable.php');
170 if(! function_exists('check_config')) {
171 function check_config(&$a) {
173 load_config('system');
175 $build = get_config('system','build');
177 $build = set_config('system','build',BUILD_ID);
179 $url = get_config('system','url');
181 $url = set_config('system','url',$a->get_baseurl());
183 if($build != BUILD_ID) {
184 $stored = intval($build);
185 $current = intval(BUILD_ID);
186 if(($stored < $current) && file_exists('update.php')) {
188 // We're reporting a different version than what is currently installed.
189 // Run any existing update scripts to bring the database up to current.
191 require_once('update.php');
192 for($x = $stored; $x < $current; $x ++) {
193 if(function_exists('update_' . $x)) {
194 $func = 'update_' . $x;
198 set_config('system','build', BUILD_ID);
206 if(! function_exists('replace_macros')) {
207 function replace_macros($s,$r) {
212 if(is_array($r) && count($r)) {
213 foreach ($r as $k => $v ) {
218 return str_replace($search,$replace,$s);
222 if(! function_exists('load_translation_table')) {
223 function load_translation_table($lang) {
228 if(! function_exists('t')) {
233 return $a->strings[$s];
237 if(! function_exists('fetch_url')) {
238 function fetch_url($url,$binary = false) {
239 $ch = curl_init($url);
240 if(! $ch) return false;
242 curl_setopt($ch, CURLOPT_HEADER, 0);
243 curl_setopt($ch, CURLOPT_FOLLOWLOCATION,true);
244 curl_setopt($ch, CURLOPT_MAXREDIRS,8);
245 curl_setopt($ch, CURLOPT_RETURNTRANSFER,true);
246 $prx = get_config('system','proxy');
248 curl_setopt($ch, CURLOPT_HTTPPROXYTUNNEL, 1);
249 curl_setopt($ch, CURLOPT_PROXY, $prx);
250 $prxusr = get_config('system','proxyuser');
252 curl_setopt($ch, CURLOPT_PROXYUSERPWD, $prxusr);
255 curl_setopt($ch, CURLOPT_BINARYTRANSFER,1);
263 if(! function_exists('post_url')) {
264 function post_url($url,$params) {
265 $ch = curl_init($url);
266 if(! $ch) return false;
268 curl_setopt($ch, CURLOPT_HEADER, 0);
269 curl_setopt($ch, CURLOPT_FOLLOWLOCATION,true);
270 curl_setopt($ch, CURLOPT_MAXREDIRS,8);
271 curl_setopt($ch, CURLOPT_RETURNTRANSFER,true);
272 curl_setopt($ch, CURLOPT_POST,1);
273 curl_setopt($ch, CURLOPT_POSTFIELDS,$params);
274 $prx = get_config('system','proxy');
276 curl_setopt($ch, CURLOPT_HTTPPROXYTUNNEL, 1);
277 curl_setopt($ch, CURLOPT_PROXY, $prx);
278 $prxusr = get_config('system','proxyuser');
280 curl_setopt($ch, CURLOPT_PROXYUSERPWD, $prxusr);
289 if(! function_exists('random_string')) {
290 function random_string() {
291 return(hash('sha256',uniqid(rand(),true)));
294 if(! function_exists('notags')) {
295 function notags($string) {
296 // protect against :<> with high-bit set
297 return(str_replace(array("<",">","\xBA","\xBC","\xBE"), array('[',']','','',''), $string));
300 if(! function_exists('escape_tags')) {
301 function escape_tags($string) {
303 return(htmlspecialchars($string));
306 if(! function_exists('login')) {
307 function login($register = false) {
309 $register_html = (($register) ? file_get_contents("view/register-link.tpl") : "");
312 if(x($_SESSION,'authenticated')) {
313 $o = file_get_contents("view/logout.tpl");
316 $o = file_get_contents("view/login.tpl");
318 $o = replace_macros($o,array('$register_html' => $register_html ));
324 if(! function_exists('autoname')) {
325 function autoname($len) {
327 $vowels = array('a','a','ai','au','e','e','e','ee','ea','i','ie','o','ou','u');
328 if(mt_rand(0,5) == 4)
346 's','sc','sh','sm','sp','st',
354 $midcons = array('ck','ct','gn','ld','lf','lm','lt','mb','mm', 'mn','mp',
355 'nd','ng','nk','nt','rn','rp','rt');
357 $noend = array('bl', 'br', 'cl','cr','dr','fl','fr','gl','gr',
358 'kh', 'kl','kr','mn','pl','pr','rh','tr','qu','wh');
360 $start = mt_rand(0,2);
368 for ($x = 0; $x < $len; $x ++) {
369 $r = mt_rand(0,count($table) - 1);
372 if($table == $vowels)
373 $table = array_merge($cons,$midcons);
379 $word = substr($word,0,$len);
381 foreach($noend as $noe) {
382 if((strlen($word) > 2) && (substr($word,-2) == $noe)) {
383 $word = substr($word,0,-1);
387 if(substr($word,-1) == 'q')
388 $word = substr($word,0,-1);
392 if(! function_exists('killme')) {
394 session_write_close();
398 if(! function_exists('goaway')) {
399 function goaway($s) {
400 header("Location: $s");
405 if(! function_exists('xml_status')) {
406 function xml_status($st) {
407 header( "Content-type: text/xml" );
408 echo '<?xml version="1.0" encoding="UTF-8"?>'."\r\n";
409 echo "<result><status>$st</status></result>\r\n";
413 if(! function_exists('local_user')) {
414 function local_user() {
415 if((x($_SESSION,'authenticated')) && (x($_SESSION,'uid')))
416 return $_SESSION['uid'];
420 if(! function_exists('remote_user')) {
421 function remote_user() {
422 if((x($_SESSION,'authenticated')) && (x($_SESSION,'visitor_id')))
423 return $_SESSION['visitor_id'];
427 if(! function_exists('notice')) {
428 function notice($s) {
430 $_SESSION['sysmsg'] .= $s;
434 if(! function_exists('get_max_import_size')) {
435 function get_max_import_size() {
437 return ((x($a->config,'max_import_size')) ? $a->config['max_import_size'] : 0 );
440 if(! function_exists('xmlify')) {
441 function xmlify($str) {
444 for($x = 0; $x < strlen($str); $x ++) {
475 $buffer = trim($buffer);
479 if(! function_exists('unxmlify')) {
480 function unxmlify($s) {
481 $ret = str_replace('&','&', $s);
482 $ret = str_replace(array('<','>','"','''),array('<','>','"',"'"),$ret);
486 if(! function_exists('hex2bin')) {
487 function hex2bin($s) {
488 return(pack("H*",$s));
492 if(! function_exists('paginate')) {
493 function paginate(&$a) {
495 $stripped = ereg_replace("(&page=[0-9]*)","",$_SERVER['QUERY_STRING']);
496 $stripped = str_replace('q=','',$stripped);
497 $stripped = trim($stripped,'/');
498 $url = $a->get_baseurl() . '/' . $stripped;
501 if($a->pager['total'] > $a->pager['itemspage']) {
502 $o .= '<div class="pager">';
503 if($a->pager['page'] != 1)
504 $o .= '<span class="pager_prev">'."<a href=\"$url".'&page='.($a->pager['page'] - 1).'">' . t('prev') . '</a></span> ';
506 $o .= "<span class=\"pager_first\"><a href=\"$url"."&page=1\">" . t('first') . "</a></span> ";
508 $numpages = $a->pager['total'] / $a->pager['itemspage'];
511 $numstop = $numpages;
514 $numstart = (($pagenum > 7) ? ($pagenum - 7) : 1);
515 $numstop = (($pagenum > ($numpages - 7)) ? $numpages : ($numstart + 14));
518 for($i = $numstart; $i <= $numstop; $i++){
519 if($i == $a->pager['page'])
520 $o .= '<span class="pager_current">'.(($i < 10) ? ' '.$i : $i);
522 $o .= "<span class=\"pager_n\"><a href=\"$url"."&page=$i\">".(($i < 10) ? ' '.$i : $i)."</a>";
526 if(($a->pager['total'] % $a->pager['itemspage']) != 0) {
527 if($i == $a->pager['page'])
528 $o .= '<span class="pager_current">'.(($i < 10) ? ' '.$i : $i);
530 $o .= "<span class=\"pager_n\"><a href=\"$url"."&page=$i\">".(($i < 10) ? ' '.$i : $i)."</a>";
534 $lastpage = (($numpages > intval($numpages)) ? intval($numpages)+1 : $numpages);
535 $o .= "<span class=\"pager_last\"><a href=\"$url"."&page=$lastpage\">" . t('last') . "</a></span> ";
537 if(($a->pager['total'] - ($a->pager['itemspage'] * $a->pager['page'])) > 0)
538 $o .= '<span class="pager_next">'."<a href=\"$url"."&page=".($a->pager['page'] + 1).'">' . t('next') . '</a></span>';
539 $o .= '</div>'."\r\n";
544 if(! function_exists('expand_acl')) {
545 function expand_acl($s) {
548 $a = explode('<',$s);
549 for($x = 0; $x < count($a); $x ++) {
550 $a[$x] = intval(str_replace(array('<','>'),array('',''),$a[$x]));
557 if(! function_exists('sanitise_acl')) {
558 function sanitise_acl(&$item) {
560 $item = '<' . intval(notags(trim($item))) . '>';
565 if(! function_exists('load_config')) {
566 function load_config($family) {
568 $r = q("SELECT * FROM `config` WHERE `cat` = '%s'",
574 $a->config[$family][$k] = $rr['v'];
580 if(! function_exists('get_config')) {
581 function get_config($family, $key, $instore = false) {
585 if(isset($a->config[$family][$key]))
586 return $a->config[$family][$key];
588 $ret = q("SELECT `v` FROM `config` WHERE `cat` = '%s' AND `k` = '%s' LIMIT 1",
593 $a->config[$family][$key] = $ret[0]['v'];
599 if(! function_exists('set_config')) {
600 function set_config($family,$key,$value) {
603 $a->config[$family][$key] = $value;
605 if(get_config($family,$key,true) === false) {
606 $ret = q("INSERT INTO `config` ( `cat`, `k`, `v` ) VALUES ( '%s', '%s', '%s' ) ",
615 $ret = q("UPDATE `config` SET `v` = '%s' WHERE `cat` = '%s' AND `k` = '%s' LIMIT 1",
625 if(! function_exists('convert_xml_element_to_array')) {
626 function convert_xml_element_to_array($xml_element, &$recursion_depth=0) {
628 // If we're getting too deep, bail out
629 if ($recursion_depth > 512) {
633 if (!is_string($xml_element) &&
634 !is_array($xml_element) &&
635 (get_class($xml_element) == 'SimpleXMLElement')) {
636 $xml_element_copy = $xml_element;
637 $xml_element = get_object_vars($xml_element);
640 if (is_array($xml_element)) {
641 $result_array = array();
642 if (count($xml_element) <= 0) {
643 return (trim(strval($xml_element_copy)));
646 foreach($xml_element as $key=>$value) {
649 $result_array[strtolower($key)] =
650 convert_xml_element_to_array($value, $recursion_depth);
653 if ($recursion_depth == 0) {
654 $temp_array = $result_array;
655 $result_array = array(
656 strtolower($xml_element_copy->getName()) => $temp_array,
660 return ($result_array);
663 return (trim(strval($xml_element)));
668 if(! function_exists('webfinger')) {
669 function webfinger($s) {
672 $host = substr($s,strpos($s,'@') + 1);
673 $url = 'http://' . $host . '/.well-known/host-meta' ;
674 $xml = fetch_url($url);
677 $h = simplexml_load_string($xml);
678 $arr = convert_xml_element_to_array($h);
680 if(! isset($arr['xrd']['link']))
683 $link = $arr['xrd']['link'];
684 if(! isset($link[0]))
685 $links = array($link);
689 foreach($links as $link)
690 if($link['@attributes']['rel'] && $link['@attributes']['rel'] == 'lrdd')
691 $tpl = $link['@attributes']['template'];
692 if((empty($tpl)) || (! strpos($tpl, '{uri}')))
695 $pxrd = str_replace('{uri}', urlencode('acct://'.$s), $tpl);
697 $xml = fetch_url($pxrd);
700 $h = simplexml_load_string($xml);
701 $arr = convert_xml_element_to_array($h);
703 if(! isset($arr['xrd']['link']))
706 $link = $arr['xrd']['link'];
707 if(! isset($link[0]))
708 $links = array($link);
712 foreach($links as $link)
713 if($link['@attributes']['rel'] == NAMESPACE_DFRN)
714 return $link['@attributes']['href'];