4 ini_set('pcre.backtrack_limit', 250000);
7 define ( 'FRIENDIKA_VERSION', '2.2.1025' );
8 define ( 'DFRN_PROTOCOL_VERSION', '2.21' );
9 define ( 'DB_UPDATE_VERSION', 1070 );
11 define ( 'EOL', "<br />\r\n" );
12 define ( 'ATOM_TIME', 'Y-m-d\TH:i:s\Z' );
13 define ( 'DOWN_ARROW', '⇩' );
17 * Image storage quality. Lower numbers save space at cost of image detail.
18 * For ease of upgrade, please do not change here. Change jpeg quality with
19 * set_config('system','jpeg_quality',n) in .htconfig.php
20 * where n is netween 1 and 100, and with very poor results below about 50
24 define ( 'JPEG_QUALITY', 100 );
27 * SSL redirection policies
30 define ( 'SSL_POLICY_NONE', 0 );
31 define ( 'SSL_POLICY_FULL', 1 );
32 define ( 'SSL_POLICY_SELFSIGN', 2 );
39 define ( 'LOGGER_NORMAL', 0 );
40 define ( 'LOGGER_TRACE', 1 );
41 define ( 'LOGGER_DEBUG', 2 );
42 define ( 'LOGGER_DATA', 3 );
43 define ( 'LOGGER_ALL', 4 );
46 * registration policies
49 define ( 'REGISTER_CLOSED', 0 );
50 define ( 'REGISTER_APPROVE', 1 );
51 define ( 'REGISTER_OPEN', 2 );
55 * When used in contact records, this indicates that 'uid' has
56 * this relationship with contact['name']
59 define ( 'REL_VIP', 1);
60 define ( 'REL_FAN', 2);
61 define ( 'REL_BUD', 3);
67 define ( 'HOOK_HOOK', 0);
68 define ( 'HOOK_FILE', 1);
69 define ( 'HOOK_FUNCTION', 2);
75 * PAGE_NORMAL is a typical personal profile account
76 * PAGE_SOAPBOX automatically approves all friend requests as REL_FAN, (readonly)
77 * PAGE_COMMUNITY automatically approves all friend requests as REL_FAN, but with
78 * write access to wall and comments (no email and not included in page owner's ACL lists)
79 * PAGE_FREELOVE automatically approves all friend requests as full friends (REL_BUD).
83 define ( 'PAGE_NORMAL', 0 );
84 define ( 'PAGE_SOAPBOX', 1 );
85 define ( 'PAGE_COMMUNITY', 2 );
86 define ( 'PAGE_FREELOVE', 3 );
89 * Network and protocol family types
92 define ( 'NETWORK_DFRN', 'dfrn'); // Friendika, Mistpark, other DFRN implementations
93 define ( 'NETWORK_OSTATUS', 'stat'); // status.net, identi.ca, GNU-social, other OStatus implementations
94 define ( 'NETWORK_FEED', 'feed'); // RSS/Atom feeds with no known "post/notify" protocol
95 define ( 'NETWORK_DIASPORA', 'dspr'); // Diaspora
96 define ( 'NETWORK_MAIL', 'mail'); // IMAP/POP
97 define ( 'NETWORK_FACEBOOK', 'face'); // Facebook API
101 * Maximum number of "people who like (or don't like) this" that we will list by name
104 define ( 'MAX_LIKERS', 75);
107 * email notification options
110 define ( 'NOTIFY_INTRO', 0x0001 );
111 define ( 'NOTIFY_CONFIRM', 0x0002 );
112 define ( 'NOTIFY_WALL', 0x0004 );
113 define ( 'NOTIFY_COMMENT', 0x0008 );
114 define ( 'NOTIFY_MAIL', 0x0010 );
117 * various namespaces we may need to parse
120 define ( 'NAMESPACE_DFRN' , 'http://purl.org/macgirvin/dfrn/1.0' );
121 define ( 'NAMESPACE_THREAD' , 'http://purl.org/syndication/thread/1.0' );
122 define ( 'NAMESPACE_TOMB' , 'http://purl.org/atompub/tombstones/1.0' );
123 define ( 'NAMESPACE_ACTIVITY', 'http://activitystrea.ms/spec/1.0/' );
124 define ( 'NAMESPACE_ACTIVITY_SCHEMA', 'http://activitystrea.ms/schema/1.0/' );
125 define ( 'NAMESPACE_MEDIA', 'http://purl.org/syndication/atommedia' );
126 define ( 'NAMESPACE_SALMON_ME', 'http://salmon-protocol.org/ns/magic-env' );
127 define ( 'NAMESPACE_OSTATUSSUB', 'http://ostatus.org/schema/1.0/subscribe' );
128 define ( 'NAMESPACE_GEORSS', 'http://www.georss.org/georss' );
129 define ( 'NAMESPACE_POCO', 'http://portablecontacts.net/spec/1.0' );
130 define ( 'NAMESPACE_FEED', 'http://schemas.google.com/g/2010#updates-from' );
131 define ( 'NAMESPACE_OSTATUS', 'http://ostatus.org/schema/1.0' );
132 define ( 'NAMESPACE_STATUSNET', 'http://status.net/schema/api/1/' );
135 * activity stream defines
138 define ( 'ACTIVITY_LIKE', NAMESPACE_ACTIVITY_SCHEMA . 'like' );
139 define ( 'ACTIVITY_DISLIKE', NAMESPACE_DFRN . '/dislike' );
140 define ( 'ACTIVITY_OBJ_HEART', NAMESPACE_DFRN . '/heart' );
142 define ( 'ACTIVITY_FRIEND', NAMESPACE_ACTIVITY_SCHEMA . 'make-friend' );
143 define ( 'ACTIVITY_FOLLOW', NAMESPACE_ACTIVITY_SCHEMA . 'follow' );
144 define ( 'ACTIVITY_UNFOLLOW', NAMESPACE_ACTIVITY_SCHEMA . 'stop-following' );
145 define ( 'ACTIVITY_POST', NAMESPACE_ACTIVITY_SCHEMA . 'post' );
146 define ( 'ACTIVITY_UPDATE', NAMESPACE_ACTIVITY_SCHEMA . 'update' );
147 define ( 'ACTIVITY_TAG', NAMESPACE_ACTIVITY_SCHEMA . 'tag' );
149 define ( 'ACTIVITY_OBJ_COMMENT', NAMESPACE_ACTIVITY_SCHEMA . 'comment' );
150 define ( 'ACTIVITY_OBJ_NOTE', NAMESPACE_ACTIVITY_SCHEMA . 'note' );
151 define ( 'ACTIVITY_OBJ_PERSON', NAMESPACE_ACTIVITY_SCHEMA . 'person' );
152 define ( 'ACTIVITY_OBJ_PHOTO', NAMESPACE_ACTIVITY_SCHEMA . 'photo' );
153 define ( 'ACTIVITY_OBJ_P_PHOTO', NAMESPACE_ACTIVITY_SCHEMA . 'profile-photo' );
154 define ( 'ACTIVITY_OBJ_ALBUM', NAMESPACE_ACTIVITY_SCHEMA . 'photo-album' );
155 define ( 'ACTIVITY_OBJ_EVENT', NAMESPACE_ACTIVITY_SCHEMA . 'event' );
158 * item weight for query ordering
161 define ( 'GRAVITY_PARENT', 0);
162 define ( 'GRAVITY_LIKE', 3);
163 define ( 'GRAVITY_COMMENT', 6);
167 * Reverse the effect of magic_quotes_gpc if it is enabled.
168 * Please disable magic_quotes_gpc so we don't have to do this.
169 * See http://php.net/manual/en/security.magicquotes.disabling.php
173 if (get_magic_quotes_gpc()) {
174 $process = array(&$_GET, &$_POST, &$_COOKIE, &$_REQUEST);
175 while (list($key, $val) = each($process)) {
176 foreach ($val as $k => $v) {
177 unset($process[$key][$k]);
179 $process[$key][stripslashes($k)] = $v;
180 $process[] = &$process[$key][stripslashes($k)];
182 $process[$key][stripslashes($k)] = stripslashes($v);
192 require_once("include/pgettext.php");
199 * Our main application structure for the life of this page
200 * Primarily deals with the URL that got us here
201 * and tries to make some sense of it, and
202 * stores our page contents and config storage
203 * and anything else that might need to be passed around
204 * before we spit the page out.
208 if(! class_exists('App')) {
211 public $module_loaded = false;
212 public $query_string;
220 public $page_contact;
223 public $error = false;
233 public $interactive = true;
244 private $curl_headers;
246 function __construct() {
248 $this->config = array();
249 $this->page = array();
250 $this->pager= array();
252 $this->query_string = '';
254 $this->scheme = ((isset($_SERVER['HTTPS']) && ($_SERVER['HTTPS'])) ? 'https' : 'http' );
256 if(x($_SERVER,'SERVER_NAME')) {
257 $this->hostname = $_SERVER['SERVER_NAME'];
260 * Figure out if we are running at the top of a domain
261 * or in a sub-directory and adjust accordingly
264 $path = trim(dirname($_SERVER['SCRIPT_NAME']),'/\\');
265 if(isset($path) && strlen($path) && ($path != $this->path))
269 set_include_path("include/$this->hostname" . PATH_SEPARATOR . 'include' . PATH_SEPARATOR . '.' );
271 if((x($_SERVER,'QUERY_STRING')) && substr($_SERVER['QUERY_STRING'],0,2) === "q=")
272 $this->query_string = substr($_SERVER['QUERY_STRING'],2);
274 $this->cmd = trim($_GET['q'],'/\\');
280 * Break the URL path into C style argc/argv style arguments for our
281 * modules. Given "http://example.com/module/arg1/arg2", $this->argc
282 * will be 3 (integer) and $this->argv will contain:
288 * There will always be one argument. If provided a naked domain
289 * URL, $this->argv[0] is set to "home".
293 $this->argv = explode('/',$this->cmd);
294 $this->argc = count($this->argv);
295 if((array_key_exists('0',$this->argv)) && strlen($this->argv[0])) {
296 $this->module = str_replace(".", "_", $this->argv[0]);
299 $this->module = 'home';
303 * Special handling for the webfinger/lrdd host XRD file
304 * Just spit out the contents and exit.
307 if($this->cmd === '.well-known/host-meta') {
308 require_once('include/hostxrd.php');
309 hostxrd($this->get_baseurl());
314 * See if there is any page number information, and initialise
318 $this->pager['page'] = ((x($_GET,'page')) ? $_GET['page'] : 1);
319 $this->pager['itemspage'] = 50;
320 $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
321 $this->pager['total'] = 0;
324 function get_baseurl($ssl = false) {
326 $scheme = $this->scheme;
328 if(x($this->config,'ssl_policy')) {
329 if(($ssl) || ($this->config['ssl_policy'] == SSL_POLICY_FULL))
331 if(($this->config['ssl_policy'] == SSL_POLICY_SELFSIGN) && (local_user() || x($_POST,'auth-params')))
335 $this->baseurl = $scheme . "://" . $this->hostname . ((isset($this->path) && strlen($this->path)) ? '/' . $this->path : '' );
336 return $this->baseurl;
339 function set_baseurl($url) {
340 $parsed = @parse_url($url);
342 $this->baseurl = $url;
345 $this->scheme = $parsed['scheme'];
347 $this->hostname = $parsed['host'];
348 if(x($parsed,'port'))
349 $this->hostname .= ':' . $parsed['port'];
350 if(x($parsed,'path'))
351 $this->path = trim($parsed['path'],'\\/');
356 function get_hostname() {
357 return $this->hostname;
360 function set_hostname($h) {
361 $this->hostname = $h;
364 function set_path($p) {
365 $this->path = trim(trim($p),'/');
368 function get_path() {
372 function set_pager_total($n) {
373 $this->pager['total'] = intval($n);
376 function set_pager_itemspage($n) {
377 $this->pager['itemspage'] = intval($n);
378 $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
382 function init_pagehead() {
383 $this->page['title'] = $this->config['sitename'];
384 $tpl = file_get_contents('view/head.tpl');
385 $this->page['htmlhead'] = replace_macros($tpl,array(
386 '$baseurl' => $this->get_baseurl(),
387 '$generator' => 'Friendika' . ' ' . FRIENDIKA_VERSION,
388 '$delitem' => t('Delete this item?'),
389 '$comment' => t('Comment')
393 function set_curl_code($code) {
394 $this->curl_code = $code;
397 function get_curl_code() {
398 return $this->curl_code;
401 function set_curl_headers($headers) {
402 $this->curl_headers = $headers;
405 function get_curl_headers() {
406 return $this->curl_headers;
412 // retrieve the App structure
413 // useful in functions which require it but don't get it passed to them
415 if(! function_exists('get_app')) {
422 // Multi-purpose function to check variable state.
423 // Usage: x($var) or $x($array,'key')
424 // returns false if variable/key is not set
425 // if variable is set, returns 1 if has 'non-zero' value, otherwise returns 0.
426 // e.g. x('') or x(0) returns 0;
428 if(! function_exists('x')) {
429 function x($s,$k = NULL) {
431 if((is_array($s)) && (array_key_exists($k,$s))) {
449 // called from db initialisation if db is dead.
451 if(! function_exists('system_unavailable')) {
452 function system_unavailable() {
453 include('system_unavailable.php');
459 // install and uninstall plugin
460 if (! function_exists('uninstall_plugin')){
461 function uninstall_plugin($plugin){
462 logger("Addons: uninstalling " . $plugin);
463 q("DELETE FROM `addon` WHERE `name` = '%s' LIMIT 1",
467 @include_once('addon/' . $plugin . '/' . $plugin . '.php');
468 if(function_exists($plugin . '_uninstall')) {
469 $func = $plugin . '_uninstall';
474 if (! function_exists('install_plugin')){
475 function install_plugin($plugin){
476 logger("Addons: installing " . $plugin);
477 $t = filemtime('addon/' . $plugin . '/' . $plugin . '.php');
478 @include_once('addon/' . $plugin . '/' . $plugin . '.php');
479 if(function_exists($plugin . '_install')) {
480 $func = $plugin . '_install';
483 $plugin_admin = (function_exists($plugin."_plugin_admin")?1:0);
485 $r = q("INSERT INTO `addon` (`name`, `installed`, `timestamp`, `plugin_admin`) VALUES ( '%s', 1, %d , %d ) ",
493 // Primarily involved with database upgrade, but also sets the
494 // base url for use in cmdline programs which don't have
495 // $_SERVER variables, and synchronising the state of installed plugins.
498 if(! function_exists('check_config')) {
499 function check_config(&$a) {
502 load_config('system');
504 $build = get_config('system','build');
506 $build = set_config('system','build',DB_UPDATE_VERSION);
508 $url = get_config('system','url');
510 // if the url isn't set or the stored url is radically different
511 // than the currently visited url, store the current value accordingly.
512 // "Radically different" ignores common variations such as http vs https
513 // and www.example.com vs example.com.
515 if((! x($url)) || (! link_compare($url,$a->get_baseurl())))
516 $url = set_config('system','url',$a->get_baseurl());
518 if($build != DB_UPDATE_VERSION) {
519 $stored = intval($build);
520 $current = intval(DB_UPDATE_VERSION);
521 if(($stored < $current) && file_exists('update.php')) {
523 // We're reporting a different version than what is currently installed.
524 // Run any existing update scripts to bring the database up to current.
526 require_once('update.php');
528 // make sure that boot.php and update.php are the same release, we might be
529 // updating right this very second and the correct version of the update.php
530 // file may not be here yet. This can happen on a very busy site.
532 if(DB_UPDATE_VERSION == UPDATE_VERSION) {
534 for($x = $stored; $x < $current; $x ++) {
535 if(function_exists('update_' . $x)) {
536 $func = 'update_' . $x;
540 set_config('system','build', DB_UPDATE_VERSION);
547 * Synchronise plugins:
549 * $a->config['system']['addon'] contains a comma-separated list of names
550 * of plugins/addons which are used on this system.
551 * Go through the database list of already installed addons, and if we have
552 * an entry, but it isn't in the config list, call the uninstall procedure
553 * and mark it uninstalled in the database (for now we'll remove it).
554 * Then go through the config list and if we have a plugin that isn't installed,
555 * call the install procedure and add it to the database.
559 $r = q("SELECT * FROM `addon` WHERE `installed` = 1");
563 $installed = array();
565 $plugins = get_config('system','addon');
566 $plugins_arr = array();
569 $plugins_arr = explode(',',str_replace(' ', '',$plugins));
571 $a->plugins = $plugins_arr;
573 $installed_arr = array();
575 if(count($installed)) {
576 foreach($installed as $i) {
577 if(! in_array($i['name'],$plugins_arr)) {
578 uninstall_plugin($i['name']);
581 $installed_arr[] = $i['name'];
585 if(count($plugins_arr)) {
586 foreach($plugins_arr as $p) {
587 if(! in_array($p,$installed_arr)) {
599 // reload all updated plugins
601 if(! function_exists('reload_plugins')) {
602 function reload_plugins() {
603 $plugins = get_config('system','addon');
604 if(strlen($plugins)) {
606 $r = q("SELECT * FROM `addon` WHERE `installed` = 1");
610 $installed = array();
612 $parr = explode(',',$plugins);
614 foreach($parr as $pl) {
617 $t = filemtime('addon/' . $pl . '/' . $pl . '.php');
618 foreach($installed as $i) {
619 if(($i['name'] == $pl) && ($i['timestamp'] != $t)) {
620 logger('Reloading plugin: ' . $i['name']);
621 @include_once('addon/' . $pl . '/' . $pl . '.php');
623 if(function_exists($pl . '_uninstall')) {
624 $func = $pl . '_uninstall';
627 if(function_exists($pl . '_install')) {
628 $func = $pl . '_install';
631 q("UPDATE `addon` SET `timestamp` = %d WHERE `id` = %d LIMIT 1",
644 // This is our template processor.
645 // $s is the string requiring macro substitution.
646 // $r is an array of key value pairs (search => replace)
647 // returns substituted string.
648 // WARNING: this is pretty basic, and doesn't properly handle search strings that are substrings of each other.
649 // For instance if 'test' => "foo" and 'testing' => "bar", testing could become either bar or fooing,
650 // depending on the order in which they were declared in the array.
652 require_once("include/template_processor.php");
654 if(! function_exists('replace_macros')) {
655 function replace_macros($s,$r) {
658 return $t->replace($s,$r);
663 // curl wrapper. If binary flag is true, return binary
666 if(! function_exists('fetch_url')) {
667 function fetch_url($url,$binary = false, &$redirects = 0) {
671 $ch = curl_init($url);
672 if(($redirects > 8) || (! $ch))
675 curl_setopt($ch, CURLOPT_HEADER, true);
676 curl_setopt($ch, CURLOPT_RETURNTRANSFER,true);
679 $curl_time = intval(get_config('system','curl_timeout'));
680 curl_setopt($ch, CURLOPT_TIMEOUT, (($curl_time !== false) ? $curl_time : 60));
682 // by default we will allow self-signed certs
683 // but you can override this
685 $check_cert = get_config('system','verifyssl');
686 curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, (($check_cert) ? true : false));
688 $prx = get_config('system','proxy');
690 curl_setopt($ch, CURLOPT_HTTPPROXYTUNNEL, 1);
691 curl_setopt($ch, CURLOPT_PROXY, $prx);
692 $prxusr = get_config('system','proxyuser');
694 curl_setopt($ch, CURLOPT_PROXYUSERPWD, $prxusr);
697 curl_setopt($ch, CURLOPT_BINARYTRANSFER,1);
699 $a->set_curl_code(0);
701 // don't let curl abort the entire application
702 // if it throws any errors.
704 $s = @curl_exec($ch);
706 $http_code = intval(curl_getinfo($ch, CURLINFO_HTTP_CODE));
707 $header = substr($s,0,strpos($s,"\r\n\r\n"));
708 if(stristr($header,'100') && (strlen($header) < 30)) {
709 // 100 Continue has two headers, get the real one
710 $s = substr($s,strlen($header)+4);
711 $header = substr($s,0,strpos($s,"\r\n\r\n"));
713 if($http_code == 301 || $http_code == 302 || $http_code == 303 || $http_code == 307) {
715 preg_match('/(Location:|URI:)(.*?)\n/', $header, $matches);
716 $url = trim(array_pop($matches));
717 $url_parsed = @parse_url($url);
718 if (isset($url_parsed)) {
720 return fetch_url($url,$binary,$redirects);
723 $a->set_curl_code($http_code);
725 $body = substr($s,strlen($header)+4);
727 /* one more try to make sure there are no more headers */
729 if(strpos($body,'HTTP/') === 0) {
730 $header = substr($body,0,strpos($body,"\r\n\r\n"));
731 $body = substr($body,strlen($header)+4);
734 $a->set_curl_headers($header);
740 // post request to $url. $params is an array of post variables.
742 if(! function_exists('post_url')) {
743 function post_url($url,$params, $headers = null, &$redirects = 0) {
745 $ch = curl_init($url);
746 if(($redirects > 8) || (! $ch))
749 curl_setopt($ch, CURLOPT_HEADER, true);
750 curl_setopt($ch, CURLOPT_RETURNTRANSFER,true);
751 curl_setopt($ch, CURLOPT_POST,1);
752 curl_setopt($ch, CURLOPT_POSTFIELDS,$params);
754 $curl_time = intval(get_config('system','curl_timeout'));
755 curl_setopt($ch, CURLOPT_TIMEOUT, (($curl_time !== false) ? $curl_time : 60));
757 if(is_array($headers))
758 curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
760 $check_cert = get_config('system','verifyssl');
761 curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, (($check_cert) ? true : false));
762 $prx = get_config('system','proxy');
764 curl_setopt($ch, CURLOPT_HTTPPROXYTUNNEL, 1);
765 curl_setopt($ch, CURLOPT_PROXY, $prx);
766 $prxusr = get_config('system','proxyuser');
768 curl_setopt($ch, CURLOPT_PROXYUSERPWD, $prxusr);
771 $a->set_curl_code(0);
773 // don't let curl abort the entire application
774 // if it throws any errors.
776 $s = @curl_exec($ch);
778 $http_code = intval(curl_getinfo($ch, CURLINFO_HTTP_CODE));
779 $header = substr($s,0,strpos($s,"\r\n\r\n"));
780 if(stristr($header,'100') && (strlen($header) < 30)) {
781 // 100 Continue has two headers, get the real one
782 $s = substr($s,strlen($header)+4);
783 $header = substr($s,0,strpos($s,"\r\n\r\n"));
785 if($http_code == 301 || $http_code == 302 || $http_code == 303) {
787 preg_match('/(Location:|URI:)(.*?)\n/', $header, $matches);
788 $url = trim(array_pop($matches));
789 $url_parsed = @parse_url($url);
790 if (isset($url_parsed)) {
792 return post_url($url,$binary,$headers,$redirects);
795 $a->set_curl_code($http_code);
796 $body = substr($s,strlen($header)+4);
798 /* one more try to make sure there are no more headers */
800 if(strpos($body,'HTTP/') === 0) {
801 $header = substr($body,0,strpos($body,"\r\n\r\n"));
802 $body = substr($body,strlen($header)+4);
805 $a->set_curl_headers($header);
811 // random hash, 64 chars
813 if(! function_exists('random_string')) {
814 function random_string() {
815 return(hash('sha256',uniqid(rand(),true)));
819 * This is our primary input filter.
821 * The high bit hack only involved some old IE browser, forget which (IE5/Mac?)
822 * that had an XSS attack vector due to stripping the high-bit on an 8-bit character
823 * after cleansing, and angle chars with the high bit set could get through as markup.
825 * This is now disabled because it was interfering with some legitimate unicode sequences
826 * and hopefully there aren't a lot of those browsers left.
828 * Use this on any text input where angle chars are not valid or permitted
829 * They will be replaced with safer brackets. This may be filtered further
830 * if these are not allowed either.
834 if(! function_exists('notags')) {
835 function notags($string) {
837 return(str_replace(array("<",">"), array('[',']'), $string));
839 // High-bit filter no longer used
840 // return(str_replace(array("<",">","\xBA","\xBC","\xBE"), array('[',']','','',''), $string));
843 // use this on "body" or "content" input where angle chars shouldn't be removed,
844 // and allow them to be safely displayed.
846 if(! function_exists('escape_tags')) {
847 function escape_tags($string) {
849 return(htmlspecialchars($string));
852 // wrapper for adding a login box. If $register == true provide a registration
853 // link. This will most always depend on the value of $a->config['register_policy'].
854 // returns the complete html for inserting into the page
856 if(! function_exists('login')) {
857 function login($register = false) {
859 $register_tpl = (($register) ? get_markup_template("register-link.tpl") : "");
861 $register_html = replace_macros($register_tpl,array(
862 '$title' => t('Create a New Account'),
863 '$desc' => t('Register')
866 $noid = get_config('system','no_openid');
868 $classname = 'no-openid';
869 $namelabel = t('Nickname or Email address: ');
870 $passlabel = t('Password: ');
874 $classname = 'openid';
875 $namelabel = t('Nickname/Email/OpenID: ');
876 $passlabel = t("Password \x28if not OpenID\x29: ");
879 $lostpass = t('Forgot your password?');
880 $lostlink = t('Password Reset');
883 $tpl = get_markup_template("logout.tpl");
886 $tpl = get_markup_template("login.tpl");
890 $o = '<script type="text/javascript"> $(document).ready(function() { $("#login-name").focus();} );</script>';
892 $o .= replace_macros($tpl,array(
893 '$logout' => t('Logout'),
894 '$register_html' => $register_html,
895 '$classname' => $classname,
896 '$namelabel' => $namelabel,
897 '$passlabel' => $passlabel,
899 '$lostpass' => $lostpass,
900 '$lostlink' => $lostlink
906 // generate a string that's random, but usually pronounceable.
907 // used to generate initial passwords
909 if(! function_exists('autoname')) {
910 function autoname($len) {
912 $vowels = array('a','a','ai','au','e','e','e','ee','ea','i','ie','o','ou','u');
913 if(mt_rand(0,5) == 4)
931 's','sc','sh','sm','sp','st',
939 $midcons = array('ck','ct','gn','ld','lf','lm','lt','mb','mm', 'mn','mp',
940 'nd','ng','nk','nt','rn','rp','rt');
942 $noend = array('bl', 'br', 'cl','cr','dr','fl','fr','gl','gr',
943 'kh', 'kl','kr','mn','pl','pr','rh','tr','qu','wh');
945 $start = mt_rand(0,2);
953 for ($x = 0; $x < $len; $x ++) {
954 $r = mt_rand(0,count($table) - 1);
957 if($table == $vowels)
958 $table = array_merge($cons,$midcons);
964 $word = substr($word,0,$len);
966 foreach($noend as $noe) {
967 if((strlen($word) > 2) && (substr($word,-2) == $noe)) {
968 $word = substr($word,0,-1);
972 if(substr($word,-1) == 'q')
973 $word = substr($word,0,-1);
977 // Used to end the current process, after saving session state.
979 if(! function_exists('killme')) {
981 session_write_close();
985 // redirect to another URL and terminate this process.
987 if(! function_exists('goaway')) {
988 function goaway($s) {
989 header("Location: $s");
993 // Generic XML return
994 // Outputs a basic dfrn XML status structure to STDOUT, with a <status> variable
995 // of $st and an optional text <message> of $message and terminates the current process.
997 if(! function_exists('xml_status')) {
998 function xml_status($st, $message = '') {
1000 $xml_message = ((strlen($message)) ? "\t<message>" . xmlify($message) . "</message>\r\n" : '');
1003 logger('xml_status returning non_zero: ' . $st . " message=" . $message);
1005 header( "Content-type: text/xml" );
1006 echo '<?xml version="1.0" encoding="UTF-8"?>'."\r\n";
1007 echo "<result>\r\n\t<status>$st</status>\r\n$xml_message</result>\r\n";
1011 // Returns the uid of locally logged in user or false.
1013 if(! function_exists('local_user')) {
1014 function local_user() {
1015 if((x($_SESSION,'authenticated')) && (x($_SESSION,'uid')))
1016 return intval($_SESSION['uid']);
1020 // Returns contact id of authenticated site visitor or false
1022 if(! function_exists('remote_user')) {
1023 function remote_user() {
1024 if((x($_SESSION,'authenticated')) && (x($_SESSION,'visitor_id')))
1025 return intval($_SESSION['visitor_id']);
1029 // contents of $s are displayed prominently on the page the next time
1030 // a page is loaded. Usually used for errors or alerts.
1032 if(! function_exists('notice')) {
1033 function notice($s) {
1036 $_SESSION['sysmsg'] .= $s;
1038 if(! function_exists('info')) {
1042 $_SESSION['sysmsg_info'] .= $s;
1046 // wrapper around config to limit the text length of an incoming message
1048 if(! function_exists('get_max_import_size')) {
1049 function get_max_import_size() {
1051 return ((x($a->config,'max_import_size')) ? $a->config['max_import_size'] : 0 );
1055 // escape text ($str) for XML transport
1056 // returns escaped text.
1058 if(! function_exists('xmlify')) {
1059 function xmlify($str) {
1062 for($x = 0; $x < strlen($str); $x ++) {
1073 $buffer .= ''';
1076 $buffer .= '"';
1092 $buffer = trim($buffer);
1097 // pass xml escaped text ($s), returns unescaped text
1099 if(! function_exists('unxmlify')) {
1100 function unxmlify($s) {
1101 $ret = str_replace('&','&', $s);
1102 $ret = str_replace(array('<','>','"','''),array('<','>','"',"'"),$ret);
1106 // convenience wrapper, reverse the operation "bin2hex"
1108 if(! function_exists('hex2bin')) {
1109 function hex2bin($s) {
1110 if(! ctype_xdigit($s)) {
1111 logger('hex2bin: illegal input: ' . print_r(debug_backtrace(), true));
1115 return(pack("H*",$s));
1118 // Automatic pagination.
1119 // To use, get the count of total items.
1120 // Then call $a->set_pager_total($number_items);
1121 // Optionally call $a->set_pager_itemspage($n) to the number of items to display on each page
1122 // Then call paginate($a) after the end of the display loop to insert the pager block on the page
1123 // (assuming there are enough items to paginate).
1124 // When using with SQL, the setting LIMIT %d, %d => $a->pager['start'],$a->pager['itemspage']
1125 // will limit the results to the correct items for the current page.
1126 // The actual page handling is then accomplished at the application layer.
1128 if(! function_exists('paginate')) {
1129 function paginate(&$a) {
1131 $stripped = preg_replace('/(&page=[0-9]*)/','',$a->query_string);
1132 $stripped = str_replace('q=','',$stripped);
1133 $stripped = trim($stripped,'/');
1134 $pagenum = $a->pager['page'];
1135 $url = $a->get_baseurl() . '/' . $stripped;
1138 if($a->pager['total'] > $a->pager['itemspage']) {
1139 $o .= '<div class="pager">';
1140 if($a->pager['page'] != 1)
1141 $o .= '<span class="pager_prev">'."<a href=\"$url".'&page='.($a->pager['page'] - 1).'">' . t('prev') . '</a></span> ';
1143 $o .= "<span class=\"pager_first\"><a href=\"$url"."&page=1\">" . t('first') . "</a></span> ";
1145 $numpages = $a->pager['total'] / $a->pager['itemspage'];
1148 $numstop = $numpages;
1150 if($numpages > 14) {
1151 $numstart = (($pagenum > 7) ? ($pagenum - 7) : 1);
1152 $numstop = (($pagenum > ($numpages - 7)) ? $numpages : ($numstart + 14));
1155 for($i = $numstart; $i <= $numstop; $i++){
1156 if($i == $a->pager['page'])
1157 $o .= '<span class="pager_current">'.(($i < 10) ? ' '.$i : $i);
1159 $o .= "<span class=\"pager_n\"><a href=\"$url"."&page=$i\">".(($i < 10) ? ' '.$i : $i)."</a>";
1163 if(($a->pager['total'] % $a->pager['itemspage']) != 0) {
1164 if($i == $a->pager['page'])
1165 $o .= '<span class="pager_current">'.(($i < 10) ? ' '.$i : $i);
1167 $o .= "<span class=\"pager_n\"><a href=\"$url"."&page=$i\">".(($i < 10) ? ' '.$i : $i)."</a>";
1171 $lastpage = (($numpages > intval($numpages)) ? intval($numpages)+1 : $numpages);
1172 $o .= "<span class=\"pager_last\"><a href=\"$url"."&page=$lastpage\">" . t('last') . "</a></span> ";
1174 if(($a->pager['total'] - ($a->pager['itemspage'] * $a->pager['page'])) > 0)
1175 $o .= '<span class="pager_next">'."<a href=\"$url"."&page=".($a->pager['page'] + 1).'">' . t('next') . '</a></span>';
1176 $o .= '</div>'."\r\n";
1181 // Turn user/group ACLs stored as angle bracketed text into arrays
1183 if(! function_exists('expand_acl')) {
1184 function expand_acl($s) {
1185 // turn string array of angle-bracketed elements into numeric array
1186 // e.g. "<1><2><3>" => array(1,2,3);
1190 $t = str_replace('<','',$s);
1191 $a = explode('>',$t);
1192 foreach($a as $aa) {
1194 $ret[] = intval($aa);
1200 // Used to wrap ACL elements in angle brackets for storage
1202 if(! function_exists('sanitise_acl')) {
1203 function sanitise_acl(&$item) {
1205 $item = '<' . intval(notags(trim($item))) . '>';
1210 // retrieve a "family" of config variables from database to cached storage
1212 if(! function_exists('load_config')) {
1213 function load_config($family) {
1215 $r = q("SELECT * FROM `config` WHERE `cat` = '%s'",
1219 foreach($r as $rr) {
1221 $a->config[$family][$k] = $rr['v'];
1226 // get a particular config variable given the family name
1227 // and key. Returns false if not set.
1228 // $instore is only used by the set_config function
1229 // to determine if the key already exists in the DB
1230 // If a key is found in the DB but doesn't exist in
1231 // local config cache, pull it into the cache so we don't have
1232 // to hit the DB again for this item.
1234 if(! function_exists('get_config')) {
1235 function get_config($family, $key, $instore = false) {
1240 if(isset($a->config[$family][$key])) {
1241 if($a->config[$family][$key] === '!<unset>!') {
1244 return $a->config[$family][$key];
1247 $ret = q("SELECT `v` FROM `config` WHERE `cat` = '%s' AND `k` = '%s' LIMIT 1",
1252 // manage array value
1253 $val = (preg_match("|^a:[0-9]+:{.*}$|", $ret[0]['v'])?unserialize( $ret[0]['v']):$ret[0]['v']);
1254 $a->config[$family][$key] = $val;
1258 $a->config[$family][$key] = '!<unset>!';
1263 // Store a config value ($value) in the category ($family)
1264 // under the key ($key)
1265 // Return the value, or false if the database update failed
1267 if(! function_exists('set_config')) {
1268 function set_config($family,$key,$value) {
1271 // manage array value
1272 $dbvalue = (is_array($value)?serialize($value):$value);
1274 if(get_config($family,$key,true) === false) {
1275 $a->config[$family][$key] = $value;
1276 $ret = q("INSERT INTO `config` ( `cat`, `k`, `v` ) VALUES ( '%s', '%s', '%s' ) ",
1286 $ret = q("UPDATE `config` SET `v` = '%s' WHERE `cat` = '%s' AND `k` = '%s' LIMIT 1",
1292 $a->config[$family][$key] = $value;
1300 if(! function_exists('load_pconfig')) {
1301 function load_pconfig($uid,$family) {
1303 $r = q("SELECT * FROM `pconfig` WHERE `cat` = '%s' AND `uid` = %d",
1308 foreach($r as $rr) {
1310 $a->config[$uid][$family][$k] = $rr['v'];
1317 if(! function_exists('get_pconfig')) {
1318 function get_pconfig($uid,$family, $key, $instore = false) {
1323 if(isset($a->config[$uid][$family][$key])) {
1324 if($a->config[$uid][$family][$key] === '!<unset>!') {
1327 return $a->config[$uid][$family][$key];
1331 $ret = q("SELECT `v` FROM `pconfig` WHERE `uid` = %d AND `cat` = '%s' AND `k` = '%s' LIMIT 1",
1338 $a->config[$uid][$family][$key] = $ret[0]['v'];
1339 return $ret[0]['v'];
1342 $a->config[$uid][$family][$key] = '!<unset>!';
1347 if(! function_exists('del_config')) {
1348 function del_config($family,$key) {
1351 if(x($a->config[$family],$key))
1352 unset($a->config[$family][$key]);
1353 $ret = q("DELETE FROM `config` WHERE `cat` = '%s' AND `k` = '%s' LIMIT 1",
1362 // Same as above functions except these are for personal config storage and take an
1363 // additional $uid argument.
1365 if(! function_exists('set_pconfig')) {
1366 function set_pconfig($uid,$family,$key,$value) {
1370 if(get_pconfig($uid,$family,$key,true) === false) {
1371 $a->config[$uid][$family][$key] = $value;
1372 $ret = q("INSERT INTO `pconfig` ( `uid`, `cat`, `k`, `v` ) VALUES ( %d, '%s', '%s', '%s' ) ",
1382 $ret = q("UPDATE `pconfig` SET `v` = '%s' WHERE `uid` = %d AND `cat` = '%s' AND `k` = '%s' LIMIT 1",
1389 $a->config[$uid][$family][$key] = $value;
1396 if(! function_exists('del_pconfig')) {
1397 function del_pconfig($uid,$family,$key) {
1400 if(x($a->config[$uid][$family],$key))
1401 unset($a->config[$uid][$family][$key]);
1402 $ret = q("DELETE FROM `pconfig` WHERE `uid` = %d AND `cat` = '%s' AND `k` = '%s' LIMIT 1",
1411 // convert an XML document to a normalised, case-corrected array
1412 // used by webfinger
1414 if(! function_exists('convert_xml_element_to_array')) {
1415 function convert_xml_element_to_array($xml_element, &$recursion_depth=0) {
1417 // If we're getting too deep, bail out
1418 if ($recursion_depth > 512) {
1422 if (!is_string($xml_element) &&
1423 !is_array($xml_element) &&
1424 (get_class($xml_element) == 'SimpleXMLElement')) {
1425 $xml_element_copy = $xml_element;
1426 $xml_element = get_object_vars($xml_element);
1429 if (is_array($xml_element)) {
1430 $result_array = array();
1431 if (count($xml_element) <= 0) {
1432 return (trim(strval($xml_element_copy)));
1435 foreach($xml_element as $key=>$value) {
1438 $result_array[strtolower($key)] =
1439 convert_xml_element_to_array($value, $recursion_depth);
1442 if ($recursion_depth == 0) {
1443 $temp_array = $result_array;
1444 $result_array = array(
1445 strtolower($xml_element_copy->getName()) => $temp_array,
1449 return ($result_array);
1452 return (trim(strval($xml_element)));
1456 // Given an email style address, perform webfinger lookup and
1457 // return the resulting DFRN profile URL, or if no DFRN profile URL
1458 // is located, returns an OStatus subscription template (prefixed
1459 // with the string 'stat:' to identify it as on OStatus template).
1460 // If this isn't an email style address just return $s.
1461 // Return an empty string if email-style addresses but webfinger fails,
1462 // or if the resultant personal XRD doesn't contain a supported
1463 // subscription/friend-request attribute.
1465 if(! function_exists('webfinger_dfrn')) {
1466 function webfinger_dfrn($s) {
1467 if(! strstr($s,'@')) {
1470 $links = webfinger($s);
1471 logger('webfinger_dfrn: ' . $s . ':' . print_r($links,true), LOGGER_DATA);
1473 foreach($links as $link)
1474 if($link['@attributes']['rel'] === NAMESPACE_DFRN)
1475 return $link['@attributes']['href'];
1476 foreach($links as $link)
1477 if($link['@attributes']['rel'] === NAMESPACE_OSTATUSSUB)
1478 return 'stat:' . $link['@attributes']['template'];
1483 // Given an email style address, perform webfinger lookup and
1484 // return the array of link attributes from the personal XRD file.
1485 // On error/failure return an empty array.
1488 if(! function_exists('webfinger')) {
1489 function webfinger($s) {
1491 if(strstr($s,'@')) {
1492 $host = substr($s,strpos($s,'@') + 1);
1495 $tpl = fetch_lrdd_template($host);
1496 logger('webfinger: lrdd template: ' . $tpl);
1498 $pxrd = str_replace('{uri}', urlencode('acct:' . $s), $tpl);
1499 logger('webfinger: pxrd: ' . $pxrd);
1500 $links = fetch_xrd_links($pxrd);
1501 if(! count($links)) {
1502 // try with double slashes
1503 $pxrd = str_replace('{uri}', urlencode('acct://' . $s), $tpl);
1504 logger('webfinger: pxrd: ' . $pxrd);
1505 $links = fetch_xrd_links($pxrd);
1513 if(! function_exists('lrdd')) {
1514 function lrdd($uri) {
1518 // default priority is host priority, host-meta first
1522 // All we have is an email address. Resource-priority is irrelevant
1523 // because our URI isn't directly resolvable.
1525 if(strstr($uri,'@')) {
1526 return(webfinger($uri));
1529 // get the host meta file
1531 $host = @parse_url($uri);
1534 $url = ((x($host,'scheme')) ? $host['scheme'] : 'http') . '://';
1535 $url .= $host['host'] . '/.well-known/host-meta' ;
1540 logger('lrdd: constructed url: ' . $url);
1542 $xml = fetch_url($url);
1543 $headers = $a->get_curl_headers();
1548 logger('lrdd: host_meta: ' . $xml, LOGGER_DATA);
1550 $h = parse_xml_string($xml);
1554 $arr = convert_xml_element_to_array($h);
1556 if(isset($arr['xrd']['property'])) {
1557 $property = $arr['crd']['property'];
1558 if(! isset($property[0]))
1559 $properties = array($property);
1561 $properties = $property;
1562 foreach($properties as $prop)
1563 if((string) $prop['@attributes'] === 'http://lrdd.net/priority/resource')
1564 $priority = 'resource';
1567 // save the links in case we need them
1571 if(isset($arr['xrd']['link'])) {
1572 $link = $arr['xrd']['link'];
1573 if(! isset($link[0]))
1574 $links = array($link);
1579 // do we have a template or href?
1582 foreach($links as $link) {
1583 if($link['@attributes']['rel'] && attribute_contains($link['@attributes']['rel'],'lrdd')) {
1584 if(x($link['@attributes'],'template'))
1585 $tpl = $link['@attributes']['template'];
1586 elseif(x($link['@attributes'],'href'))
1587 $href = $link['@attributes']['href'];
1592 if((! isset($tpl)) || (! strpos($tpl,'{uri}')))
1595 if($priority === 'host') {
1597 $pxrd = str_replace('{uri}', urlencode($uri), $tpl);
1598 elseif(isset($href))
1601 logger('lrdd: (host priority) pxrd: ' . $pxrd);
1602 $links = fetch_xrd_links($pxrd);
1606 $lines = explode("\n",$headers);
1608 foreach($lines as $line) {
1609 if((stristr($line,'link:')) && preg_match('/<([^>].*)>.*rel\=[\'\"]lrdd[\'\"]/',$line,$matches)) {
1610 return(fetch_xrd_links($matches[1]));
1618 // priority 'resource'
1621 $html = fetch_url($uri);
1622 $headers = $a->get_curl_headers();
1623 logger('lrdd: headers=' . $headers, LOGGER_DEBUG);
1625 // don't try and parse raw xml as html
1626 if(! strstr($html,'<?xml')) {
1627 require_once('library/HTML5/Parser.php');
1628 $dom = @HTML5_Parser::parse($html);
1631 $items = $dom->getElementsByTagName('link');
1632 foreach($items as $item) {
1633 $x = $item->getAttribute('rel');
1635 $pagelink = $item->getAttribute('href');
1642 if(isset($pagelink))
1643 return(fetch_xrd_links($pagelink));
1645 // next look in HTTP headers
1647 $lines = explode("\n",$headers);
1649 foreach($lines as $line) {
1650 // TODO alter the following regex to support multiple relations (space separated)
1651 if((stristr($line,'link:')) && preg_match('/<([^>].*)>.*rel\=[\'\"]lrdd[\'\"]/',$line,$matches)) {
1652 $pagelink = $matches[1];
1655 // don't try and run feeds through the html5 parser
1656 if(stristr($line,'content-type:') && ((stristr($line,'application/atom+xml')) || (stristr($line,'application/rss+xml'))))
1658 if(stristr($html,'<rss') || stristr($html,'<feed'))
1663 if(isset($pagelink))
1664 return(fetch_xrd_links($pagelink));
1666 // If we haven't found any links, return the host xrd links (which we have already fetched)
1677 // Given a host name, locate the LRDD template from that
1678 // host. Returns the LRDD template or an empty string on
1681 if(! function_exists('fetch_lrdd_template')) {
1682 function fetch_lrdd_template($host) {
1685 $url1 = 'https://' . $host . '/.well-known/host-meta' ;
1686 $url2 = 'http://' . $host . '/.well-known/host-meta' ;
1687 $links = fetch_xrd_links($url1);
1688 logger('fetch_lrdd_template from: ' . $url1);
1689 logger('template (https): ' . print_r($links,true));
1690 if(! count($links)) {
1691 logger('fetch_lrdd_template from: ' . $url2);
1692 $links = fetch_xrd_links($url2);
1693 logger('template (http): ' . print_r($links,true));
1696 foreach($links as $link)
1697 if($link['@attributes']['rel'] && $link['@attributes']['rel'] === 'lrdd')
1698 $tpl = $link['@attributes']['template'];
1700 if(! strpos($tpl,'{uri}'))
1705 // Given a URL, retrieve the page as an XRD document.
1706 // Return an array of links.
1707 // on error/failure return empty array.
1709 if(! function_exists('fetch_xrd_links')) {
1710 function fetch_xrd_links($url) {
1713 $xml = fetch_url($url);
1717 logger('fetch_xrd_links: ' . $xml, LOGGER_DATA);
1718 $h = parse_xml_string($xml);
1722 $arr = convert_xml_element_to_array($h);
1726 if(isset($arr['xrd']['link'])) {
1727 $link = $arr['xrd']['link'];
1728 if(! isset($link[0]))
1729 $links = array($link);
1733 if(isset($arr['xrd']['alias'])) {
1734 $alias = $arr['xrd']['alias'];
1735 if(! isset($alias[0]))
1736 $aliases = array($alias);
1739 foreach($aliases as $alias) {
1740 $links[]['@attributes'] = array('rel' => 'alias' , 'href' => $alias);
1744 logger('fetch_xrd_links: ' . print_r($links,true), LOGGER_DATA);
1750 // Convert an ACL array to a storable string
1752 if(! function_exists('perms2str')) {
1753 function perms2str($p) {
1756 if(is_array($tmp)) {
1757 array_walk($tmp,'sanitise_acl');
1758 $ret = implode('',$tmp);
1763 // generate a guaranteed unique (for this domain) item ID for ATOM
1764 // safe from birthday paradox
1766 if(! function_exists('item_new_uri')) {
1767 function item_new_uri($hostname,$uid) {
1771 $hash = random_string();
1773 $uri = "urn:X-dfrn:" . $hostname . ':' . $uid . ':' . $hash;
1775 $r = q("SELECT `id` FROM `item` WHERE `uri` = '%s' LIMIT 1",
1779 } while($dups == true);
1783 // Generate a guaranteed unique photo ID.
1784 // safe from birthday paradox
1786 if(! function_exists('photo_new_resource')) {
1787 function photo_new_resource() {
1791 $resource = hash('md5',uniqid(mt_rand(),true));
1792 $r = q("SELECT `id` FROM `photo` WHERE `resource-id` = '%s' LIMIT 1",
1797 } while($found == true);
1802 // Take a URL from the wild, prepend http:// if necessary
1803 // and check DNS to see if it's real
1804 // return true if it's OK, false if something is wrong with it
1806 if(! function_exists('validate_url')) {
1807 function validate_url(&$url) {
1808 if(substr($url,0,4) != 'http')
1809 $url = 'http://' . $url;
1810 $h = @parse_url($url);
1812 if(($h) && (dns_get_record($h['host'], DNS_A + DNS_CNAME + DNS_PTR))) {
1818 // checks that email is an actual resolvable internet address
1820 if(! function_exists('validate_email')) {
1821 function validate_email($addr) {
1823 if(! strpos($addr,'@'))
1825 $h = substr($addr,strpos($addr,'@') + 1);
1827 if(($h) && (dns_get_record($h, DNS_A + DNS_CNAME + DNS_PTR + DNS_MX))) {
1833 // Check $url against our list of allowed sites,
1834 // wildcards allowed. If allowed_sites is unset return true;
1835 // If url is allowed, return true.
1836 // otherwise, return false
1838 if(! function_exists('allowed_url')) {
1839 function allowed_url($url) {
1841 $h = @parse_url($url);
1847 $str_allowed = get_config('system','allowed_sites');
1853 $host = strtolower($h['host']);
1855 // always allow our own site
1857 if($host == strtolower($_SERVER['SERVER_NAME']))
1860 $fnmatch = function_exists('fnmatch');
1861 $allowed = explode(',',$str_allowed);
1863 if(count($allowed)) {
1864 foreach($allowed as $a) {
1865 $pat = strtolower(trim($a));
1866 if(($fnmatch && fnmatch($pat,$host)) || ($pat == $host)) {
1875 // check if email address is allowed to register here.
1876 // Compare against our list (wildcards allowed).
1877 // Returns false if not allowed, true if allowed or if
1878 // allowed list is not configured.
1880 if(! function_exists('allowed_email')) {
1881 function allowed_email($email) {
1884 $domain = strtolower(substr($email,strpos($email,'@') + 1));
1888 $str_allowed = get_config('system','allowed_email');
1894 $fnmatch = function_exists('fnmatch');
1895 $allowed = explode(',',$str_allowed);
1897 if(count($allowed)) {
1898 foreach($allowed as $a) {
1899 $pat = strtolower(trim($a));
1900 if(($fnmatch && fnmatch($pat,$domain)) || ($pat == $domain)) {
1911 // wrapper to load a view template, checking for alternate
1912 // languages before falling back to the default
1914 // obsolete, deprecated.
1916 if(! function_exists('load_view_file')) {
1917 function load_view_file($s) {
1923 if(file_exists("$d/$lang/$b"))
1924 return file_get_contents("$d/$lang/$b");
1926 $theme = current_theme();
1928 if(file_exists("$d/theme/$theme/$b"))
1929 return file_get_contents("$d/theme/$theme/$b");
1931 return file_get_contents($s);
1934 if(! function_exists('get_intltext_template')) {
1935 function get_intltext_template($s) {
1941 if(file_exists("view/$lang/$s"))
1942 return file_get_contents("view/$lang/$s");
1943 elseif(file_exists("view/en/$s"))
1944 return file_get_contents("view/en/$s");
1946 return file_get_contents("view/$s");
1949 if(! function_exists('get_markup_template')) {
1950 function get_markup_template($s) {
1952 $theme = current_theme();
1954 if(file_exists("view/theme/$theme/$s"))
1955 return file_get_contents("view/theme/$theme/$s");
1957 return file_get_contents("view/$s");
1965 // for html,xml parsing - let's say you've got
1966 // an attribute foobar="class1 class2 class3"
1967 // and you want to find out if it contains 'class3'.
1968 // you can't use a normal sub string search because you
1969 // might match 'notclass3' and a regex to do the job is
1970 // possible but a bit complicated.
1971 // pass the attribute string as $attr and the attribute you
1972 // are looking for as $s - returns true if found, otherwise false
1974 if(! function_exists('attribute_contains')) {
1975 function attribute_contains($attr,$s) {
1976 $a = explode(' ', $attr);
1977 if(count($a) && in_array($s,$a))
1982 if(! function_exists('logger')) {
1983 function logger($msg,$level = 0) {
1984 $debugging = get_config('system','debugging');
1985 $loglevel = intval(get_config('system','loglevel'));
1986 $logfile = get_config('system','logfile');
1988 if((! $debugging) || (! $logfile) || ($level > $loglevel))
1991 @file_put_contents($logfile, datetime_convert() . ':' . session_id() . ' ' . $msg . "\n", FILE_APPEND);
1996 if(! function_exists('activity_match')) {
1997 function activity_match($haystack,$needle) {
1998 if(($haystack === $needle) || ((basename($needle) === $haystack) && strstr($needle,NAMESPACE_ACTIVITY_SCHEMA)))
2004 // Pull out all #hashtags and @person tags from $s;
2005 // We also get @person@domain.com - which would make
2006 // the regex quite complicated as tags can also
2007 // end a sentence. So we'll run through our results
2008 // and strip the period from any tags which end with one.
2009 // Returns array of tags found, or empty array.
2012 if(! function_exists('get_tags')) {
2013 function get_tags($s) {
2016 // ignore anything in a code block
2018 $s = preg_replace('/\[code\](.*?)\[\/code\]/sm','',$s);
2020 if(preg_match_all('/([@#][^ \x0D\x0A,:?]+)([ \x0D\x0A,:?]|$)/',$s,$match)) {
2021 foreach($match[1] as $mtch) {
2022 if(strstr($mtch,"]")) {
2023 // we might be inside a bbcode color tag - leave it alone
2026 if(substr($mtch,-1,1) === '.')
2027 $ret[] = substr($mtch,0,-1);
2037 // quick and dirty quoted_printable encoding
2039 if(! function_exists('qp')) {
2041 return str_replace ("%","=",rawurlencode($s));
2046 if(! function_exists('get_mentions')) {
2047 function get_mentions($item) {
2049 if(! strlen($item['tag']))
2052 $arr = explode(',',$item['tag']);
2053 foreach($arr as $x) {
2055 if(preg_match('/@\[url=([^\]]*)\]/',$x,$matches)) {
2056 $o .= "\t\t" . '<link rel="mentioned" href="' . $matches[1] . '" />' . "\r\n";
2057 $o .= "\t\t" . '<link rel="ostatus:attention" href="' . $matches[1] . '" />' . "\r\n";
2063 if(! function_exists('contact_block')) {
2064 function contact_block() {
2068 $shown = get_pconfig($a->profile['uid'],'system','display_friend_count');
2072 if((! is_array($a->profile)) || ($a->profile['hide-friends']))
2074 $r = q("SELECT COUNT(*) AS `total` FROM `contact` WHERE `uid` = %d AND `self` = 0 AND `blocked` = 0 and `pending` = 0",
2075 intval($a->profile['uid'])
2078 $total = intval($r[0]['total']);
2081 $o .= '<h4 class="contact-h4">' . t('No contacts') . '</h4>';
2084 $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 0 AND `blocked` = 0 and `pending` = 0 ORDER BY RAND() LIMIT %d",
2085 intval($a->profile['uid']),
2089 $o .= '<h4 class="contact-h4">' . sprintf( tt('%d Contact','%d Contacts', $total),$total) . '</h4><div id="contact-block">';
2090 foreach($r as $rr) {
2091 $o .= micropro($rr,true,'mpfriend');
2093 $o .= '</div><div id="contact-block-end"></div>';
2094 $o .= '<div id="viewcontacts"><a id="viewcontacts-link" href="viewcontacts/' . $a->profile['nickname'] . '">' . t('View Contacts') . '</a></div>';
2098 $arr = array('contacts' => $r, 'output' => $o);
2100 call_hooks('contact_block_end', $arr);
2105 if(! function_exists('micropro')) {
2106 function micropro($contact, $redirect = false, $class = '', $textmode = false) {
2109 $class = ' ' . $class;
2111 $url = $contact['url'];
2116 $redirect_url = $a->get_baseurl() . '/redir/' . $contact['id'];
2117 if(local_user() && ($contact['uid'] == local_user()) && ($contact['network'] === 'dfrn')) {
2118 $url = $redirect_url;
2119 $sparkle = ' sparkle';
2122 $click = ((x($contact,'click')) ? ' onclick="' . $contact['click'] . '" ' : '');
2126 return '<div class="contact-block-textdiv' . $class . '"><a class="contact-block-link' . $class . $sparkle
2127 . (($click) ? ' fakelink' : '') . '" '
2128 . (($url) ? ' href="' . $url . '"' : '') . $click
2129 . '" title="' . $contact['name'] . ' [' . $contact['url'] . ']" alt="' . $contact['name']
2130 . '" >'. $contact['name'] . '</a></div>' . "\r\n";
2133 return '<div class="contact-block-div' . $class . '"><a class="contact-block-link' . $class . $sparkle
2134 . (($click) ? ' fakelink' : '') . '" '
2135 . (($url) ? ' href="' . $url . '"' : '') . $click . ' ><img class="contact-block-img' . $class . $sparkle . '" src="'
2136 . $contact['micro'] . '" title="' . $contact['name'] . ' [' . $contact['url'] . ']" alt="' . $contact['name']
2137 . '" /></a></div>' . "\r\n";
2143 if(! function_exists('search')) {
2144 function search($s,$id='search-box',$url='/search') {
2146 $o = '<div id="' . $id . '">';
2147 $o .= '<form action="' . $a->get_baseurl() . $url . '" method="get" >';
2148 $o .= '<input type="text" name="search" id="search-text" value="' . $s .'" />';
2149 $o .= '<input type="submit" name="submit" id="search-submit" value="' . t('Search') . '" />';
2150 $o .= '</form></div>';
2154 if(! function_exists('valid_email')) {
2155 function valid_email($x){
2156 if(preg_match('/^[_a-zA-Z0-9-]+(\.[_a-zA-Z0-9-]+)*@[a-zA-Z0-9-]+(\.[a-zA-Z0-9-]+)+$/',$x))
2162 if(! function_exists('gravatar_img')) {
2163 function gravatar_img($email) {
2165 $opt = 'identicon'; // psuedo-random geometric pattern if not found
2167 $hash = md5(trim(strtolower($email)));
2169 $url = 'http://www.gravatar.com/avatar/' . $hash . '.jpg'
2170 . '?s=' . $size . '&d=' . $opt . '&r=' . $rating;
2172 logger('gravatar: ' . $email . ' ' . $url);
2176 if(! function_exists('aes_decrypt')) {
2177 function aes_decrypt($val,$ky)
2179 $key="\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
2180 for($a=0;$a<strlen($ky);$a++)
2181 $key[$a%16]=chr(ord($key[$a%16]) ^ ord($ky[$a]));
2182 $mode = MCRYPT_MODE_ECB;
2183 $enc = MCRYPT_RIJNDAEL_128;
2184 $dec = @mcrypt_decrypt($enc, $key, $val, $mode, @mcrypt_create_iv( @mcrypt_get_iv_size($enc, $mode), MCRYPT_DEV_URANDOM ) );
2185 return rtrim($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));
2189 if(! function_exists('aes_encrypt')) {
2190 function aes_encrypt($val,$ky)
2192 $key="\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
2193 for($a=0;$a<strlen($ky);$a++)
2194 $key[$a%16]=chr(ord($key[$a%16]) ^ ord($ky[$a]));
2195 $mode=MCRYPT_MODE_ECB;
2196 $enc=MCRYPT_RIJNDAEL_128;
2197 $val=str_pad($val, (16*(floor(strlen($val) / 16)+(strlen($val) % 16==0?2:1))), chr(16-(strlen($val) % 16)));
2198 return mcrypt_encrypt($enc, $key, $val, $mode, mcrypt_create_iv( mcrypt_get_iv_size($enc, $mode), MCRYPT_DEV_URANDOM));
2206 * Replace naked text hyperlink with HTML formatted hyperlink
2210 if(! function_exists('linkify')) {
2211 function linkify($s) {
2212 $s = preg_replace("/(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\.\=\_\~\#\'\%\$\!\+]*)/", ' <a href="$1" target="external-link">$1</a>', $s);
2222 * Replaces text emoticons with graphical images
2224 * @Parameter: string $s
2229 if(! function_exists('smilies')) {
2230 function smilies($s) {
2234 array( '<3', '</3', '<\\3', ':-)', ':)', ';-)', ':-(', ':(', ':-P', ':P', ':-"', ':-x', ':-X', ':-D', '8-|', '8-O'),
2236 '<img src="' . $a->get_baseurl() . '/images/smiley-heart.gif" alt="<3" />',
2237 '<img src="' . $a->get_baseurl() . '/images/smiley-brokenheart.gif" alt="</3" />',
2238 '<img src="' . $a->get_baseurl() . '/images/smiley-brokenheart.gif" alt="<\\3" />',
2239 '<img src="' . $a->get_baseurl() . '/images/smiley-smile.gif" alt=":-)" />',
2240 '<img src="' . $a->get_baseurl() . '/images/smiley-smile.gif" alt=":)" />',
2241 '<img src="' . $a->get_baseurl() . '/images/smiley-wink.gif" alt=";-)" />',
2242 '<img src="' . $a->get_baseurl() . '/images/smiley-frown.gif" alt=":-(" />',
2243 '<img src="' . $a->get_baseurl() . '/images/smiley-frown.gif" alt=":(" />',
2244 '<img src="' . $a->get_baseurl() . '/images/smiley-tongue-out.gif" alt=":-P" />',
2245 '<img src="' . $a->get_baseurl() . '/images/smiley-tongue-out.gif" alt=":P" />',
2246 '<img src="' . $a->get_baseurl() . '/images/smiley-kiss.gif" alt=":-\"" />',
2247 '<img src="' . $a->get_baseurl() . '/images/smiley-kiss.gif" alt=":-x" />',
2248 '<img src="' . $a->get_baseurl() . '/images/smiley-kiss.gif" alt=":-X" />',
2249 '<img src="' . $a->get_baseurl() . '/images/smiley-laughing.gif" alt=":-D" />',
2250 '<img src="' . $a->get_baseurl() . '/images/smiley-surprised.gif" alt="8-|" />',
2251 '<img src="' . $a->get_baseurl() . '/images/smiley-surprised.gif" alt="8-O" />'
2258 * Function : profile_load
2260 * @parameter string $nickname
2261 * @parameter int $profile
2263 * Summary: Loads a profile into the page sidebar.
2264 * The function requires a writeable copy of the main App structure, and the nickname
2265 * of a registered local account.
2267 * If the viewer is an authenticated remote viewer, the profile displayed is the
2268 * one that has been configured for his/her viewing in the Contact manager.
2269 * Passing a non-zero profile ID can also allow a preview of a selected profile
2272 * Profile information is placed in the App structure for later retrieval.
2273 * Honours the owner's chosen theme for display.
2277 if(! function_exists('profile_load')) {
2278 function profile_load(&$a, $nickname, $profile = 0) {
2280 $r = q("SELECT `profile-id` FROM `contact` WHERE `id` = %d LIMIT 1",
2281 intval($_SESSION['visitor_id']));
2283 $profile = $r[0]['profile-id'];
2289 $profile_int = intval($profile);
2290 $r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `user`.* FROM `profile`
2291 LEFT JOIN `user` ON `profile`.`uid` = `user`.`uid`
2292 WHERE `user`.`nickname` = '%s' AND `profile`.`id` = %d LIMIT 1",
2294 intval($profile_int)
2298 $r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `user`.* FROM `profile`
2299 LEFT JOIN `user` ON `profile`.`uid` = `user`.`uid`
2300 WHERE `user`.`nickname` = '%s' AND `profile`.`is-default` = 1 LIMIT 1",
2305 if(($r === false) || (! count($r))) {
2306 notice( t('No profile') . EOL );
2311 $a->profile = $r[0];
2314 $a->page['title'] = $a->profile['name'] . " @ " . $a->config['sitename'];
2315 $_SESSION['theme'] = $a->profile['theme'];
2317 if(! (x($a->page,'aside')))
2318 $a->page['aside'] = '';
2320 $a->page['aside'] .= profile_sidebar($a->profile);
2321 $a->page['aside'] .= contact_block();
2329 * Function: profile_sidebar
2331 * Formats a profile for display in the sidebar.
2332 * It is very difficult to templatise the HTML completely
2333 * because of all the conditional logic.
2335 * @parameter: array $profile
2337 * Returns HTML string stuitable for sidebar inclusion
2338 * Exceptions: Returns empty string if passed $profile is wrong type or not populated
2343 if(! function_exists('profile_sidebar')) {
2344 function profile_sidebar($profile) {
2350 if((! is_array($profile)) && (! count($profile)))
2353 call_hooks('profile_sidebar_enter', $profile);
2355 $fullname = '<div class="fn">' . $profile['name'] . '</div>';
2357 $pdesc = '<div class="title">' . $profile['pdesc'] . '</div>';
2361 $photo = '<div id="profile-photo-wrapper"><img class="photo" src="' . $profile['photo'] . '" alt="' . $profile['name'] . '" /></div>';
2363 // don't show connect link to yourself
2365 $connect = (($profile['uid'] != local_user()) ? '<li><a id="dfrn-request-link" href="dfrn_request/' . $profile['nickname'] . '">' . t('Connect') . '</a></li>' : '');
2367 // don't show connect link to authenticated visitors either
2369 if((remote_user()) && ($_SESSION['visitor_visiting'] == $profile['uid']))
2372 if((x($profile,'address') == 1)
2373 || (x($profile,'locality') == 1)
2374 || (x($profile,'region') == 1)
2375 || (x($profile,'postal-code') == 1)
2376 || (x($profile,'country-name') == 1))
2380 $location .= '<div class="location"><span class="location-label">' . t('Location:') . '</span> <div class="adr">';
2381 $location .= ((x($profile,'address') == 1) ? '<div class="street-address">' . $profile['address'] . '</div>' : '');
2382 $location .= (((x($profile,'locality') == 1) || (x($profile,'region') == 1) || (x($profile,'postal-code') == 1))
2383 ? '<span class="city-state-zip"><span class="locality">' . $profile['locality'] . '</span>'
2384 . ((x($profile['locality']) == 1) ? t(', ') : '')
2385 . '<span class="region">' . $profile['region'] . '</span>'
2386 . ' <span class="postal-code">' . $profile['postal-code'] . '</span></span>' : '');
2387 $location .= ((x($profile,'country-name') == 1) ? ' <span class="country-name">' . $profile['country-name'] . '</span>' : '');
2388 $location .= '</div></div><div class="profile-clear"></div>';
2392 $gender = ((x($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>' : '');
2394 $pubkey = ((x($profile,'pubkey') == 1) ? '<div class="key" style="display:none;">' . $profile['pubkey'] . '</div>' : '');
2396 $marital = ((x($profile,'marital') == 1) ? '<div class="marital"><span class="marital-label"><span class="heart">♥</span> ' . t('Status:') . ' </span><span class="marital-text">' . $profile['marital'] . '</span></div><div class="profile-clear"></div>' : '');
2398 $homepage = ((x($profile,'homepage') == 1) ? '<div class="homepage"><span class="homepage-label">' . t('Homepage:') . ' </span><span class="homepage-url">' . linkify($profile['homepage']) . '</span></div><div class="profile-clear"></div>' : '');
2400 if($profile['hidewall'] && (! local_user()) && (! remote_user())) {
2401 $location = $gender = $marital = $homepage = '';
2404 $tpl = get_markup_template('profile_vcard.tpl');
2406 $o .= replace_macros($tpl, array(
2407 '$fullname' => $fullname,
2411 '$connect' => $connect,
2412 '$location' => $location,
2413 '$gender' => $gender,
2414 '$pubkey' => $pubkey,
2415 '$marital' => $marital,
2416 '$homepage' => $homepage
2420 $arr = array('profile' => $profile, 'entry' => $o);
2422 call_hooks('profile_sidebar', $arr);
2428 if(! function_exists('register_hook')) {
2429 function register_hook($hook,$file,$function) {
2431 $r = q("SELECT * FROM `hook` WHERE `hook` = '%s' AND `file` = '%s' AND `function` = '%s' LIMIT 1",
2439 $r = q("INSERT INTO `hook` (`hook`, `file`, `function`) VALUES ( '%s', '%s', '%s' ) ",
2447 if(! function_exists('unregister_hook')) {
2448 function unregister_hook($hook,$file,$function) {
2450 $r = q("DELETE FROM `hook` WHERE `hook` = '%s' AND `file` = '%s' AND `function` = '%s' LIMIT 1",
2459 if(! function_exists('load_hooks')) {
2460 function load_hooks() {
2462 $a->hooks = array();
2463 $r = q("SELECT * FROM `hook` WHERE 1");
2465 foreach($r as $rr) {
2466 $a->hooks[] = array($rr['hook'], $rr['file'], $rr['function']);
2472 if(! function_exists('call_hooks')) {
2473 function call_hooks($name, &$data = null) {
2476 if(count($a->hooks)) {
2477 foreach($a->hooks as $hook) {
2478 if($hook[HOOK_HOOK] === $name) {
2479 @include_once($hook[HOOK_FILE]);
2480 if(function_exists($hook[HOOK_FUNCTION])) {
2481 $func = $hook[HOOK_FUNCTION];
2490 if(! function_exists('day_translate')) {
2491 function day_translate($s) {
2492 $ret = str_replace(array('Monday','Tuesday','Wednesday','Thursday','Friday','Saturday','Sunday'),
2493 array( t('Monday'), t('Tuesday'), t('Wednesday'), t('Thursday'), t('Friday'), t('Saturday'), t('Sunday')),
2496 $ret = str_replace(array('January','February','March','April','May','June','July','August','September','October','November','December'),
2497 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')),
2503 if(! function_exists('get_birthdays')) {
2504 function get_birthdays() {
2512 $bd_format = t('g A l F d') ; // 8 AM Friday January 18
2514 $r = q("SELECT `event`.*, `event`.`id` AS `eid`, `contact`.* FROM `event`
2515 LEFT JOIN `contact` ON `contact`.`id` = `event`.`cid`
2516 WHERE `event`.`uid` = %d AND `type` = 'birthday' AND `start` < '%s' AND `finish` > '%s'
2517 ORDER BY `start` DESC ",
2518 intval(local_user()),
2519 dbesc(datetime_convert('UTC','UTC','now + 6 days')),
2520 dbesc(datetime_convert('UTC','UTC','now'))
2523 if($r && count($r)) {
2526 if(strlen($rr['name']))
2530 $o .= '<div id="birthday-notice" class="birthday-notice fakelink" onclick=openClose(\'birthday-wrapper\'); >' . t('Birthday Reminders') . ' ' . '(' . $total . ')' . '</div>';
2531 $o .= '<div id="birthday-wrapper" style="display: none;" ><div id="birthday-title">' . t('Birthdays this week:') . '</div>';
2532 $o .= '<div id="birthday-adjust">' . t("\x28Adjusted for local time\x29") . '</div>';
2533 $o .= '<div id="birthday-title-end"></div>';
2535 foreach($r as $rr) {
2536 if(! strlen($rr['name']))
2538 $now = strtotime('now');
2539 $today = (((strtotime($rr['start'] . ' +00:00') < $now) && (strtotime($rr['finish'] . ' +00:00') > $now)) ? true : false);
2541 $o .= '<div class="birthday-list" id="birthday-' . $rr['eid'] . '"><a class="sparkle" href="'
2542 . $a->get_baseurl() . '/redir/' . $rr['cid'] . '">' . $rr['name'] . '</a> '
2543 . day_translate(datetime_convert('UTC', $a->timezone, $rr['start'], $bd_format)) . (($today) ? ' ' . t('[today]') : '')
2546 $o .= '</div></div>';
2553 if(! function_exists('normalise_link')) {
2554 function normalise_link($url) {
2555 $ret = str_replace(array('https:','//www.'), array('http:','//'), $url);
2556 return(rtrim($ret,'/'));
2561 * Compare two URLs to see if they are the same, but ignore
2562 * slight but hopefully insignificant differences such as if one
2563 * is https and the other isn't, or if one is www.something and
2564 * the other isn't - and also ignore case differences.
2566 * Return true if the URLs match, otherwise false.
2570 if(! function_exists('link_compare')) {
2571 function link_compare($a,$b) {
2572 if(strcasecmp(normalise_link($a),normalise_link($b)) === 0)
2578 if(! function_exists('prepare_body')) {
2579 function prepare_body($item,$attach = false) {
2581 $s = prepare_text($item['body']);
2585 $arr = explode(',',$item['attach']);
2587 $s .= '<div class="body-attach">';
2588 foreach($arr as $r) {
2591 $cnt = preg_match('|\[attach\]href=\"(.*?)\" size=\"(.*?)\" type=\"(.*?)\" title=\"(.*?)\"\[\/attach\]|',$r,$matches);
2593 $icontype = strtolower(substr($matches[3],0,strpos($matches[3],'/')));
2599 $icon = '<div class="attachtype type-' . $icontype . '"></div>';
2602 $icon = '<div class="attachtype type-unkn"></div>';
2605 $title = ((strlen(trim($matches[4]))) ? escape_tags(trim($matches[4])) : escape_tags($matches[1]));
2606 $title .= ' ' . $matches[2] . ' ' . t('bytes');
2608 $s .= '<a href="' . strip_tags($matches[1]) . '" title="' . $title . '" class="attachlink" target="external-link" >' . $icon . '</a>';
2611 $s .= '<div class="clear"></div></div>';
2616 if(! function_exists('prepare_text')) {
2617 function prepare_text($text) {
2619 require_once('include/bbcode.php');
2621 $s = smilies(bbcode($text));
2628 * Wrap calls to proc_close(proc_open()) and call hook
2629 * so plugins can take part in process :)
2632 * $cmd program to run
2633 * next args are passed as $cmd command line
2635 * e.g.: proc_run("ls","-la","/tmp");
2637 * $cmd and string args are surrounded with ""
2640 if(! function_exists('proc_run')) {
2641 function proc_run($cmd){
2645 $args = func_get_args();
2646 call_hooks("proc_run", $args);
2648 if(count($args) && $args[0] === 'php')
2649 $args[0] = ((x($a->config,'php_path')) && (strlen($a->config['php_path'])) ? $a->config['php_path'] : 'php');
2651 foreach ($args as $arg){
2652 $arg = escapeshellarg($arg);
2654 $cmdline = implode($args," ");
2655 proc_close(proc_open($cmdline." &",array(),$foo));
2658 if(! function_exists('current_theme')) {
2659 function current_theme(){
2660 $app_base_themes = array('duepuntozero', 'loozah');
2664 $system_theme = ((isset($a->config['system']['theme'])) ? $a->config['system']['theme'] : '');
2665 $theme_name = ((is_array($_SESSION) && x($_SESSION,'theme')) ? $_SESSION['theme'] : $system_theme);
2667 if($theme_name && file_exists('view/theme/' . $theme_name . '/style.css'))
2668 return($theme_name);
2670 foreach($app_base_themes as $t) {
2671 if(file_exists('view/theme/' . $t . '/style.css'))
2675 $fallback = glob('view/theme/*/style.css');
2676 if(count($fallback))
2677 return (str_replace('view/theme/','', str_replace("/style.css","",$fallback[0])));
2682 * Return full URL to theme which is currently in effect.
2683 * Provide a sane default if nothing is chosen or the specified theme does not exist.
2685 if(! function_exists('current_theme_url')) {
2686 function current_theme_url() {
2688 $t = current_theme();
2689 return($a->get_baseurl() . '/view/theme/' . $t . '/style.css');
2692 if(! function_exists('feed_birthday')) {
2693 function feed_birthday($uid,$tz) {
2697 * Determine the next birthday, but only if the birthday is published
2698 * in the default profile. We _could_ also look for a private profile that the
2699 * recipient can see, but somebody could get mad at us if they start getting
2700 * public birthday greetings when they haven't made this info public.
2702 * Assuming we are able to publish this info, we are then going to convert
2703 * the start time from the owner's timezone to UTC.
2705 * This will potentially solve the problem found with some social networks
2706 * where birthdays are converted to the viewer's timezone and salutations from
2707 * elsewhere in the world show up on the wrong day. We will convert it to the
2708 * viewer's timezone also, but first we are going to convert it from the birthday
2709 * person's timezone to GMT - so the viewer may find the birthday starting at
2710 * 6:00PM the day before, but that will correspond to midnight to the birthday person.
2716 $p = q("SELECT `dob` FROM `profile` WHERE `is-default` = 1 AND `uid` = %d LIMIT 1",
2720 if($p && count($p)) {
2721 $tmp_dob = substr($p[0]['dob'],5);
2722 if(intval($tmp_dob)) {
2723 $y = datetime_convert($tz,$tz,'now','Y');
2724 $bd = $y . '-' . $tmp_dob . ' 00:00';
2725 $t_dob = strtotime($bd);
2726 $now = strtotime(datetime_convert($tz,$tz,'now'));
2728 $bd = $y + 1 . '-' . $tmp_dob . ' 00:00';
2729 $birthday = datetime_convert($tz,'UTC',$bd,ATOM_TIME);
2737 * return atom link elements for all of our hubs
2740 if(! function_exists('feed_hublinks')) {
2741 function feed_hublinks() {
2743 $hub = get_config('system','huburl');
2747 $hubs = explode(',', $hub);
2749 foreach($hubs as $h) {
2753 $hubxml .= '<link rel="hub" href="' . xmlify($h) . '" />' . "\n" ;
2760 /* return atom link elements for salmon endpoints */
2762 if(! function_exists('feed_salmonlinks')) {
2763 function feed_salmonlinks($nick) {
2767 $salmon = '<link rel="salmon" href="' . xmlify($a->get_baseurl() . '/salmon/' . $nick) . '" />' . "\n" ;
2769 // old style links that status.net still needed as of 12/2010
2771 $salmon .= ' <link rel="http://salmon-protocol.org/ns/salmon-replies" href="' . xmlify($a->get_baseurl() . '/salmon/' . $nick) . '" />' . "\n" ;
2772 $salmon .= ' <link rel="http://salmon-protocol.org/ns/salmon-mention" href="' . xmlify($a->get_baseurl() . '/salmon/' . $nick) . '" />' . "\n" ;
2776 if(! function_exists('get_plink')) {
2777 function get_plink($item) {
2779 $plink = (((x($item,'plink')) && (! $item['private'])) ? '<div class="wall-item-links-wrapper"><a href="'
2780 . $item['plink'] . '" title="' . t('link to source') . '" target="external-link" class="icon remote-link"></a></div>' : '');
2784 if(! function_exists('unamp')) {
2785 function unamp($s) {
2786 return str_replace('&', '&', $s);
2792 if(! function_exists('lang_selector')) {
2793 function lang_selector() {
2795 $o = '<div id="lang-select-icon" class="icon language" title="' . t('Select an alternate language') . '" onclick="openClose(\'language-selector\');" ></div>';
2796 $o .= '<div id="language-selector" style="display: none;" >';
2797 $o .= '<form action="" method="post" ><select name="system_language" onchange="this.form.submit();" >';
2798 $langs = glob('view/*/strings.php');
2799 if(is_array($langs) && count($langs)) {
2800 if(! in_array('view/en/strings.php',$langs))
2801 $langs[] = 'view/en/';
2803 foreach($langs as $l) {
2805 $ll = substr($ll,0,strrpos($ll,'/'));
2806 $selected = (($ll === $lang) ? ' selected="selected" ' : '');
2807 $o .= '<option value="' . $ll . '"' . $selected . '>' . $ll . '</option>';
2810 $o .= '</select></form></div>';
2815 if(! function_exists('parse_xml_string')) {
2816 function parse_xml_string($s,$strict = true) {
2818 if(! strstr($s,'<?xml'))
2820 $s2 = substr($s,strpos($s,'<?xml'));
2824 libxml_use_internal_errors(true);
2826 $x = @simplexml_load_string($s2);
2828 logger('libxml: parse: error: ' . $s2, LOGGER_DATA);
2829 foreach(libxml_get_errors() as $err)
2830 logger('libxml: parse: ' . $err->code." at ".$err->line.":".$err->column." : ".$err->message, LOGGER_DATA);
2831 libxml_clear_errors();
2836 if(! function_exists('is_site_admin')) {
2837 function is_site_admin() {
2839 if(local_user() && x($a->user,'email') && x($a->config,'admin_email') && ($a->user['email'] === $a->config['admin_email']))
2845 * parse plugin comment in search of plugin infos.
2849 * * Description: A plugin which plugs in
2851 * * Author: John <profile url>
2852 * * Author: Jane <email>
2856 if (! function_exists('get_plugin_info')){
2857 function get_plugin_info($plugin){
2858 if (!is_file("addon/$plugin/$plugin.php")) return false;
2860 $f = file_get_contents("addon/$plugin/$plugin.php");
2861 $r = preg_match("|/\*.*\*/|msU", $f, $m);
2865 'description' => "",
2866 'author' => array(),
2871 $ll = explode("\n", $m[0]);
2872 foreach( $ll as $l ) {
2873 $l = trim($l,"\t\n\r */");
2875 list($k,$v) = array_map("trim", explode(":",$l,2));
2878 $r=preg_match("|([^<]+)<([^>]+)>|", $v, $m);
2880 $info['author'][] = array('name'=>$m[1], 'link'=>$m[2]);
2882 $info['author'][] = array('name'=>$v);
2885 if (array_key_exists($k,$info)){