4 ini_set('pcre.backtrack_limit', 250000);
7 define ( 'FRIENDIKA_VERSION', '2.2.1030' );
8 define ( 'DFRN_PROTOCOL_VERSION', '2.21' );
9 define ( 'DB_UPDATE_VERSION', 1073 );
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); // other person is 'following' us
60 define ( 'REL_FAN', 2); // we are 'following' other person
61 define ( 'REL_BUD', 3); // mutual relationship
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]);
300 $this->argv = array('home');
301 $this->module = 'home';
305 * Special handling for the webfinger/lrdd host XRD file
306 * Just spit out the contents and exit.
309 if($this->cmd === '.well-known/host-meta') {
310 require_once('include/hostxrd.php');
311 hostxrd($this->get_baseurl());
316 * See if there is any page number information, and initialise
320 $this->pager['page'] = ((x($_GET,'page')) ? $_GET['page'] : 1);
321 $this->pager['itemspage'] = 50;
322 $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
323 $this->pager['total'] = 0;
326 function get_baseurl($ssl = false) {
328 $scheme = $this->scheme;
330 if(x($this->config,'ssl_policy')) {
331 if(($ssl) || ($this->config['ssl_policy'] == SSL_POLICY_FULL))
333 if(($this->config['ssl_policy'] == SSL_POLICY_SELFSIGN) && (local_user() || x($_POST,'auth-params')))
337 $this->baseurl = $scheme . "://" . $this->hostname . ((isset($this->path) && strlen($this->path)) ? '/' . $this->path : '' );
338 return $this->baseurl;
341 function set_baseurl($url) {
342 $parsed = @parse_url($url);
344 $this->baseurl = $url;
347 $this->scheme = $parsed['scheme'];
349 $this->hostname = $parsed['host'];
350 if(x($parsed,'port'))
351 $this->hostname .= ':' . $parsed['port'];
352 if(x($parsed,'path'))
353 $this->path = trim($parsed['path'],'\\/');
358 function get_hostname() {
359 return $this->hostname;
362 function set_hostname($h) {
363 $this->hostname = $h;
366 function set_path($p) {
367 $this->path = trim(trim($p),'/');
370 function get_path() {
374 function set_pager_total($n) {
375 $this->pager['total'] = intval($n);
378 function set_pager_itemspage($n) {
379 $this->pager['itemspage'] = intval($n);
380 $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
384 function init_pagehead() {
385 $this->page['title'] = $this->config['sitename'];
386 $tpl = file_get_contents('view/head.tpl');
387 $this->page['htmlhead'] = replace_macros($tpl,array(
388 '$baseurl' => $this->get_baseurl(),
389 '$generator' => 'Friendika' . ' ' . FRIENDIKA_VERSION,
390 '$delitem' => t('Delete this item?'),
391 '$comment' => t('Comment')
395 function set_curl_code($code) {
396 $this->curl_code = $code;
399 function get_curl_code() {
400 return $this->curl_code;
403 function set_curl_headers($headers) {
404 $this->curl_headers = $headers;
407 function get_curl_headers() {
408 return $this->curl_headers;
414 // retrieve the App structure
415 // useful in functions which require it but don't get it passed to them
417 if(! function_exists('get_app')) {
424 // Multi-purpose function to check variable state.
425 // Usage: x($var) or $x($array,'key')
426 // returns false if variable/key is not set
427 // if variable is set, returns 1 if has 'non-zero' value, otherwise returns 0.
428 // e.g. x('') or x(0) returns 0;
430 if(! function_exists('x')) {
431 function x($s,$k = NULL) {
433 if((is_array($s)) && (array_key_exists($k,$s))) {
451 // called from db initialisation if db is dead.
453 if(! function_exists('system_unavailable')) {
454 function system_unavailable() {
455 include('system_unavailable.php');
461 // install and uninstall plugin
462 if (! function_exists('uninstall_plugin')){
463 function uninstall_plugin($plugin){
464 logger("Addons: uninstalling " . $plugin);
465 q("DELETE FROM `addon` WHERE `name` = '%s' LIMIT 1",
469 @include_once('addon/' . $plugin . '/' . $plugin . '.php');
470 if(function_exists($plugin . '_uninstall')) {
471 $func = $plugin . '_uninstall';
476 if (! function_exists('install_plugin')){
477 function install_plugin($plugin){
478 logger("Addons: installing " . $plugin);
479 $t = filemtime('addon/' . $plugin . '/' . $plugin . '.php');
480 @include_once('addon/' . $plugin . '/' . $plugin . '.php');
481 if(function_exists($plugin . '_install')) {
482 $func = $plugin . '_install';
485 $plugin_admin = (function_exists($plugin."_plugin_admin")?1:0);
487 $r = q("INSERT INTO `addon` (`name`, `installed`, `timestamp`, `plugin_admin`) VALUES ( '%s', 1, %d , %d ) ",
495 // Primarily involved with database upgrade, but also sets the
496 // base url for use in cmdline programs which don't have
497 // $_SERVER variables, and synchronising the state of installed plugins.
500 if(! function_exists('check_config')) {
501 function check_config(&$a) {
503 $build = get_config('system','build');
505 $build = set_config('system','build',DB_UPDATE_VERSION);
507 $url = get_config('system','url');
509 // if the url isn't set or the stored url is radically different
510 // than the currently visited url, store the current value accordingly.
511 // "Radically different" ignores common variations such as http vs https
512 // and www.example.com vs example.com.
514 if((! x($url)) || (! link_compare($url,$a->get_baseurl())))
515 $url = set_config('system','url',$a->get_baseurl());
517 if($build != DB_UPDATE_VERSION) {
518 $stored = intval($build);
519 $current = intval(DB_UPDATE_VERSION);
520 if(($stored < $current) && file_exists('update.php')) {
522 // We're reporting a different version than what is currently installed.
523 // Run any existing update scripts to bring the database up to current.
525 require_once('update.php');
527 // make sure that boot.php and update.php are the same release, we might be
528 // updating right this very second and the correct version of the update.php
529 // file may not be here yet. This can happen on a very busy site.
531 if(DB_UPDATE_VERSION == UPDATE_VERSION) {
533 for($x = $stored; $x < $current; $x ++) {
534 if(function_exists('update_' . $x)) {
535 $func = 'update_' . $x;
539 set_config('system','build', DB_UPDATE_VERSION);
546 * Synchronise plugins:
548 * $a->config['system']['addon'] contains a comma-separated list of names
549 * of plugins/addons which are used on this system.
550 * Go through the database list of already installed addons, and if we have
551 * an entry, but it isn't in the config list, call the uninstall procedure
552 * and mark it uninstalled in the database (for now we'll remove it).
553 * Then go through the config list and if we have a plugin that isn't installed,
554 * call the install procedure and add it to the database.
558 $r = q("SELECT * FROM `addon` WHERE `installed` = 1");
562 $installed = array();
564 $plugins = get_config('system','addon');
565 $plugins_arr = array();
568 $plugins_arr = explode(',',str_replace(' ', '',$plugins));
570 $a->plugins = $plugins_arr;
572 $installed_arr = array();
574 if(count($installed)) {
575 foreach($installed as $i) {
576 if(! in_array($i['name'],$plugins_arr)) {
577 uninstall_plugin($i['name']);
580 $installed_arr[] = $i['name'];
584 if(count($plugins_arr)) {
585 foreach($plugins_arr as $p) {
586 if(! in_array($p,$installed_arr)) {
598 // reload all updated plugins
600 if(! function_exists('reload_plugins')) {
601 function reload_plugins() {
602 $plugins = get_config('system','addon');
603 if(strlen($plugins)) {
605 $r = q("SELECT * FROM `addon` WHERE `installed` = 1");
609 $installed = array();
611 $parr = explode(',',$plugins);
613 foreach($parr as $pl) {
616 $t = filemtime('addon/' . $pl . '/' . $pl . '.php');
617 foreach($installed as $i) {
618 if(($i['name'] == $pl) && ($i['timestamp'] != $t)) {
619 logger('Reloading plugin: ' . $i['name']);
620 @include_once('addon/' . $pl . '/' . $pl . '.php');
622 if(function_exists($pl . '_uninstall')) {
623 $func = $pl . '_uninstall';
626 if(function_exists($pl . '_install')) {
627 $func = $pl . '_install';
630 q("UPDATE `addon` SET `timestamp` = %d WHERE `id` = %d LIMIT 1",
643 // This is our template processor.
644 // $s is the string requiring macro substitution.
645 // $r is an array of key value pairs (search => replace)
646 // returns substituted string.
647 // WARNING: this is pretty basic, and doesn't properly handle search strings that are substrings of each other.
648 // For instance if 'test' => "foo" and 'testing' => "bar", testing could become either bar or fooing,
649 // depending on the order in which they were declared in the array.
651 require_once("include/template_processor.php");
653 if(! function_exists('replace_macros')) {
654 function replace_macros($s,$r) {
657 return $t->replace($s,$r);
662 // curl wrapper. If binary flag is true, return binary
665 if(! function_exists('fetch_url')) {
666 function fetch_url($url,$binary = false, &$redirects = 0) {
670 $ch = curl_init($url);
671 if(($redirects > 8) || (! $ch))
674 curl_setopt($ch, CURLOPT_HEADER, true);
675 curl_setopt($ch, CURLOPT_RETURNTRANSFER,true);
676 curl_setopt($ch, CURLOPT_USERAGENT, "Friendika");
678 $curl_time = intval(get_config('system','curl_timeout'));
679 curl_setopt($ch, CURLOPT_TIMEOUT, (($curl_time !== false) ? $curl_time : 60));
681 // by default we will allow self-signed certs
682 // but you can override this
684 $check_cert = get_config('system','verifyssl');
685 curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, (($check_cert) ? true : false));
687 $prx = get_config('system','proxy');
689 curl_setopt($ch, CURLOPT_HTTPPROXYTUNNEL, 1);
690 curl_setopt($ch, CURLOPT_PROXY, $prx);
691 $prxusr = get_config('system','proxyuser');
693 curl_setopt($ch, CURLOPT_PROXYUSERPWD, $prxusr);
696 curl_setopt($ch, CURLOPT_BINARYTRANSFER,1);
698 $a->set_curl_code(0);
700 // don't let curl abort the entire application
701 // if it throws any errors.
703 $s = @curl_exec($ch);
706 $curl_info = curl_getinfo($ch);
707 $http_code = $curl_info['http_code'];
711 // Pull out multiple headers, e.g. proxy and continuation headers
712 // allow for HTTP/2.x without fixing code
714 while(preg_match('/^HTTP\/[1-2].+? [1-5][0-9][0-9]/',$base)) {
715 $chunk = substr($base,0,strpos($base,"\r\n\r\n")+4);
717 $base = substr($base,strlen($chunk));
720 if($http_code == 301 || $http_code == 302 || $http_code == 303 || $http_code == 307) {
722 preg_match('/(Location:|URI:)(.*?)\n/', $header, $matches);
723 $url = trim(array_pop($matches));
724 $url_parsed = @parse_url($url);
725 if (isset($url_parsed)) {
727 return fetch_url($url,$binary,$redirects);
731 $a->set_curl_code($http_code);
733 $body = substr($s,strlen($header));
735 $a->set_curl_headers($header);
741 // post request to $url. $params is an array of post variables.
743 if(! function_exists('post_url')) {
744 function post_url($url,$params, $headers = null, &$redirects = 0) {
746 $ch = curl_init($url);
747 if(($redirects > 8) || (! $ch))
750 curl_setopt($ch, CURLOPT_HEADER, true);
751 curl_setopt($ch, CURLOPT_RETURNTRANSFER,true);
752 curl_setopt($ch, CURLOPT_POST,1);
753 curl_setopt($ch, CURLOPT_POSTFIELDS,$params);
754 curl_setopt($ch, CURLOPT_USERAGENT, "Friendika");
756 $curl_time = intval(get_config('system','curl_timeout'));
757 curl_setopt($ch, CURLOPT_TIMEOUT, (($curl_time !== false) ? $curl_time : 60));
759 if(is_array($headers))
760 curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
762 $check_cert = get_config('system','verifyssl');
763 curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, (($check_cert) ? true : false));
764 $prx = get_config('system','proxy');
766 curl_setopt($ch, CURLOPT_HTTPPROXYTUNNEL, 1);
767 curl_setopt($ch, CURLOPT_PROXY, $prx);
768 $prxusr = get_config('system','proxyuser');
770 curl_setopt($ch, CURLOPT_PROXYUSERPWD, $prxusr);
773 $a->set_curl_code(0);
775 // don't let curl abort the entire application
776 // if it throws any errors.
778 $s = @curl_exec($ch);
781 $curl_info = curl_getinfo($ch);
782 $http_code = $curl_info['http_code'];
786 // Pull out multiple headers, e.g. proxy and continuation headers
787 // allow for HTTP/2.x without fixing code
789 while(preg_match('/^HTTP\/[1-2].+? [1-5][0-9][0-9]/',$base)) {
790 $chunk = substr($base,0,strpos($base,"\r\n\r\n")+4);
792 $base = substr($base,strlen($chunk));
795 if($http_code == 301 || $http_code == 302 || $http_code == 303) {
797 preg_match('/(Location:|URI:)(.*?)\n/', $header, $matches);
798 $url = trim(array_pop($matches));
799 $url_parsed = @parse_url($url);
800 if (isset($url_parsed)) {
802 return post_url($url,$binary,$headers,$redirects);
805 $a->set_curl_code($http_code);
806 $body = substr($s,strlen($header));
808 $a->set_curl_headers($header);
814 // random hash, 64 chars
816 if(! function_exists('random_string')) {
817 function random_string() {
818 return(hash('sha256',uniqid(rand(),true)));
822 * This is our primary input filter.
824 * The high bit hack only involved some old IE browser, forget which (IE5/Mac?)
825 * that had an XSS attack vector due to stripping the high-bit on an 8-bit character
826 * after cleansing, and angle chars with the high bit set could get through as markup.
828 * This is now disabled because it was interfering with some legitimate unicode sequences
829 * and hopefully there aren't a lot of those browsers left.
831 * Use this on any text input where angle chars are not valid or permitted
832 * They will be replaced with safer brackets. This may be filtered further
833 * if these are not allowed either.
837 if(! function_exists('notags')) {
838 function notags($string) {
840 return(str_replace(array("<",">"), array('[',']'), $string));
842 // High-bit filter no longer used
843 // return(str_replace(array("<",">","\xBA","\xBC","\xBE"), array('[',']','','',''), $string));
846 // use this on "body" or "content" input where angle chars shouldn't be removed,
847 // and allow them to be safely displayed.
849 if(! function_exists('escape_tags')) {
850 function escape_tags($string) {
852 return(htmlspecialchars($string));
855 // wrapper for adding a login box. If $register == true provide a registration
856 // link. This will most always depend on the value of $a->config['register_policy'].
857 // returns the complete html for inserting into the page
859 if(! function_exists('login')) {
860 function login($register = false) {
862 $register_tpl = (($register) ? get_markup_template("register-link.tpl") : "");
864 $register_html = replace_macros($register_tpl,array(
865 '$title' => t('Create a New Account'),
866 '$desc' => t('Register')
869 $noid = get_config('system','no_openid');
871 $classname = 'no-openid';
872 $namelabel = t('Nickname or Email address: ');
873 $passlabel = t('Password: ');
877 $classname = 'openid';
878 $namelabel = t('Nickname/Email/OpenID: ');
879 $passlabel = t("Password \x28if not OpenID\x29: ");
882 $lostpass = t('Forgot your password?');
883 $lostlink = t('Password Reset');
886 $tpl = get_markup_template("logout.tpl");
889 $tpl = get_markup_template("login.tpl");
893 $o = '<script type="text/javascript"> $(document).ready(function() { $("#login-name").focus();} );</script>';
895 $o .= replace_macros($tpl,array(
896 '$logout' => t('Logout'),
897 '$register_html' => $register_html,
898 '$classname' => $classname,
899 '$namelabel' => $namelabel,
900 '$passlabel' => $passlabel,
902 '$lostpass' => $lostpass,
903 '$lostlink' => $lostlink
909 // generate a string that's random, but usually pronounceable.
910 // used to generate initial passwords
912 if(! function_exists('autoname')) {
913 function autoname($len) {
915 $vowels = array('a','a','ai','au','e','e','e','ee','ea','i','ie','o','ou','u');
916 if(mt_rand(0,5) == 4)
934 's','sc','sh','sm','sp','st',
942 $midcons = array('ck','ct','gn','ld','lf','lm','lt','mb','mm', 'mn','mp',
943 'nd','ng','nk','nt','rn','rp','rt');
945 $noend = array('bl', 'br', 'cl','cr','dr','fl','fr','gl','gr',
946 'kh', 'kl','kr','mn','pl','pr','rh','tr','qu','wh');
948 $start = mt_rand(0,2);
956 for ($x = 0; $x < $len; $x ++) {
957 $r = mt_rand(0,count($table) - 1);
960 if($table == $vowels)
961 $table = array_merge($cons,$midcons);
967 $word = substr($word,0,$len);
969 foreach($noend as $noe) {
970 if((strlen($word) > 2) && (substr($word,-2) == $noe)) {
971 $word = substr($word,0,-1);
975 if(substr($word,-1) == 'q')
976 $word = substr($word,0,-1);
980 // Used to end the current process, after saving session state.
982 if(! function_exists('killme')) {
984 session_write_close();
988 // redirect to another URL and terminate this process.
990 if(! function_exists('goaway')) {
991 function goaway($s) {
992 header("Location: $s");
996 // Generic XML return
997 // Outputs a basic dfrn XML status structure to STDOUT, with a <status> variable
998 // of $st and an optional text <message> of $message and terminates the current process.
1000 if(! function_exists('xml_status')) {
1001 function xml_status($st, $message = '') {
1003 $xml_message = ((strlen($message)) ? "\t<message>" . xmlify($message) . "</message>\r\n" : '');
1006 logger('xml_status returning non_zero: ' . $st . " message=" . $message);
1008 header( "Content-type: text/xml" );
1009 echo '<?xml version="1.0" encoding="UTF-8"?>'."\r\n";
1010 echo "<result>\r\n\t<status>$st</status>\r\n$xml_message</result>\r\n";
1014 // Returns the uid of locally logged in user or false.
1016 if(! function_exists('local_user')) {
1017 function local_user() {
1018 if((x($_SESSION,'authenticated')) && (x($_SESSION,'uid')))
1019 return intval($_SESSION['uid']);
1023 // Returns contact id of authenticated site visitor or false
1025 if(! function_exists('remote_user')) {
1026 function remote_user() {
1027 if((x($_SESSION,'authenticated')) && (x($_SESSION,'visitor_id')))
1028 return intval($_SESSION['visitor_id']);
1032 // contents of $s are displayed prominently on the page the next time
1033 // a page is loaded. Usually used for errors or alerts.
1035 if(! function_exists('notice')) {
1036 function notice($s) {
1039 $_SESSION['sysmsg'] .= $s;
1041 if(! function_exists('info')) {
1045 $_SESSION['sysmsg_info'] .= $s;
1049 // wrapper around config to limit the text length of an incoming message
1051 if(! function_exists('get_max_import_size')) {
1052 function get_max_import_size() {
1054 return ((x($a->config,'max_import_size')) ? $a->config['max_import_size'] : 0 );
1058 // escape text ($str) for XML transport
1059 // returns escaped text.
1061 if(! function_exists('xmlify')) {
1062 function xmlify($str) {
1065 for($x = 0; $x < strlen($str); $x ++) {
1076 $buffer .= ''';
1079 $buffer .= '"';
1095 $buffer = trim($buffer);
1100 // pass xml escaped text ($s), returns unescaped text
1102 if(! function_exists('unxmlify')) {
1103 function unxmlify($s) {
1104 $ret = str_replace('&','&', $s);
1105 $ret = str_replace(array('<','>','"','''),array('<','>','"',"'"),$ret);
1109 // convenience wrapper, reverse the operation "bin2hex"
1111 if(! function_exists('hex2bin')) {
1112 function hex2bin($s) {
1113 if(! ctype_xdigit($s)) {
1114 logger('hex2bin: illegal input: ' . print_r(debug_backtrace(), true));
1118 return(pack("H*",$s));
1121 // Automatic pagination.
1122 // To use, get the count of total items.
1123 // Then call $a->set_pager_total($number_items);
1124 // Optionally call $a->set_pager_itemspage($n) to the number of items to display on each page
1125 // Then call paginate($a) after the end of the display loop to insert the pager block on the page
1126 // (assuming there are enough items to paginate).
1127 // When using with SQL, the setting LIMIT %d, %d => $a->pager['start'],$a->pager['itemspage']
1128 // will limit the results to the correct items for the current page.
1129 // The actual page handling is then accomplished at the application layer.
1131 if(! function_exists('paginate')) {
1132 function paginate(&$a) {
1134 $stripped = preg_replace('/(&page=[0-9]*)/','',$a->query_string);
1135 $stripped = str_replace('q=','',$stripped);
1136 $stripped = trim($stripped,'/');
1137 $pagenum = $a->pager['page'];
1138 $url = $a->get_baseurl() . '/' . $stripped;
1141 if($a->pager['total'] > $a->pager['itemspage']) {
1142 $o .= '<div class="pager">';
1143 if($a->pager['page'] != 1)
1144 $o .= '<span class="pager_prev">'."<a href=\"$url".'&page='.($a->pager['page'] - 1).'">' . t('prev') . '</a></span> ';
1146 $o .= "<span class=\"pager_first\"><a href=\"$url"."&page=1\">" . t('first') . "</a></span> ";
1148 $numpages = $a->pager['total'] / $a->pager['itemspage'];
1151 $numstop = $numpages;
1153 if($numpages > 14) {
1154 $numstart = (($pagenum > 7) ? ($pagenum - 7) : 1);
1155 $numstop = (($pagenum > ($numpages - 7)) ? $numpages : ($numstart + 14));
1158 for($i = $numstart; $i <= $numstop; $i++){
1159 if($i == $a->pager['page'])
1160 $o .= '<span class="pager_current">'.(($i < 10) ? ' '.$i : $i);
1162 $o .= "<span class=\"pager_n\"><a href=\"$url"."&page=$i\">".(($i < 10) ? ' '.$i : $i)."</a>";
1166 if(($a->pager['total'] % $a->pager['itemspage']) != 0) {
1167 if($i == $a->pager['page'])
1168 $o .= '<span class="pager_current">'.(($i < 10) ? ' '.$i : $i);
1170 $o .= "<span class=\"pager_n\"><a href=\"$url"."&page=$i\">".(($i < 10) ? ' '.$i : $i)."</a>";
1174 $lastpage = (($numpages > intval($numpages)) ? intval($numpages)+1 : $numpages);
1175 $o .= "<span class=\"pager_last\"><a href=\"$url"."&page=$lastpage\">" . t('last') . "</a></span> ";
1177 if(($a->pager['total'] - ($a->pager['itemspage'] * $a->pager['page'])) > 0)
1178 $o .= '<span class="pager_next">'."<a href=\"$url"."&page=".($a->pager['page'] + 1).'">' . t('next') . '</a></span>';
1179 $o .= '</div>'."\r\n";
1184 // Turn user/group ACLs stored as angle bracketed text into arrays
1186 if(! function_exists('expand_acl')) {
1187 function expand_acl($s) {
1188 // turn string array of angle-bracketed elements into numeric array
1189 // e.g. "<1><2><3>" => array(1,2,3);
1193 $t = str_replace('<','',$s);
1194 $a = explode('>',$t);
1195 foreach($a as $aa) {
1197 $ret[] = intval($aa);
1203 // Used to wrap ACL elements in angle brackets for storage
1205 if(! function_exists('sanitise_acl')) {
1206 function sanitise_acl(&$item) {
1208 $item = '<' . intval(notags(trim($item))) . '>';
1213 // retrieve a "family" of config variables from database to cached storage
1215 if(! function_exists('load_config')) {
1216 function load_config($family) {
1218 $r = q("SELECT * FROM `config` WHERE `cat` = '%s'",
1222 foreach($r as $rr) {
1224 if ($rr['cat'] === 'config') {
1225 $a->config[$k] = $rr['v'];
1227 $a->config[$family][$k] = $rr['v'];
1233 // get a particular config variable given the family name
1234 // and key. Returns false if not set.
1235 // $instore is only used by the set_config function
1236 // to determine if the key already exists in the DB
1237 // If a key is found in the DB but doesn't exist in
1238 // local config cache, pull it into the cache so we don't have
1239 // to hit the DB again for this item.
1241 if(! function_exists('get_config')) {
1242 function get_config($family, $key, $instore = false) {
1247 if(isset($a->config[$family][$key])) {
1248 if($a->config[$family][$key] === '!<unset>!') {
1251 return $a->config[$family][$key];
1254 $ret = q("SELECT `v` FROM `config` WHERE `cat` = '%s' AND `k` = '%s' LIMIT 1",
1259 // manage array value
1260 $val = (preg_match("|^a:[0-9]+:{.*}$|", $ret[0]['v'])?unserialize( $ret[0]['v']):$ret[0]['v']);
1261 $a->config[$family][$key] = $val;
1265 $a->config[$family][$key] = '!<unset>!';
1270 // Store a config value ($value) in the category ($family)
1271 // under the key ($key)
1272 // Return the value, or false if the database update failed
1274 if(! function_exists('set_config')) {
1275 function set_config($family,$key,$value) {
1278 // manage array value
1279 $dbvalue = (is_array($value)?serialize($value):$value);
1281 if(get_config($family,$key,true) === false) {
1282 $a->config[$family][$key] = $value;
1283 $ret = q("INSERT INTO `config` ( `cat`, `k`, `v` ) VALUES ( '%s', '%s', '%s' ) ",
1293 $ret = q("UPDATE `config` SET `v` = '%s' WHERE `cat` = '%s' AND `k` = '%s' LIMIT 1",
1299 $a->config[$family][$key] = $value;
1307 if(! function_exists('load_pconfig')) {
1308 function load_pconfig($uid,$family) {
1310 $r = q("SELECT * FROM `pconfig` WHERE `cat` = '%s' AND `uid` = %d",
1315 foreach($r as $rr) {
1317 $a->config[$uid][$family][$k] = $rr['v'];
1324 if(! function_exists('get_pconfig')) {
1325 function get_pconfig($uid,$family, $key, $instore = false) {
1330 if(isset($a->config[$uid][$family][$key])) {
1331 if($a->config[$uid][$family][$key] === '!<unset>!') {
1334 return $a->config[$uid][$family][$key];
1338 $ret = q("SELECT `v` FROM `pconfig` WHERE `uid` = %d AND `cat` = '%s' AND `k` = '%s' LIMIT 1",
1345 $a->config[$uid][$family][$key] = $ret[0]['v'];
1346 return $ret[0]['v'];
1349 $a->config[$uid][$family][$key] = '!<unset>!';
1354 if(! function_exists('del_config')) {
1355 function del_config($family,$key) {
1358 if(x($a->config[$family],$key))
1359 unset($a->config[$family][$key]);
1360 $ret = q("DELETE FROM `config` WHERE `cat` = '%s' AND `k` = '%s' LIMIT 1",
1369 // Same as above functions except these are for personal config storage and take an
1370 // additional $uid argument.
1372 if(! function_exists('set_pconfig')) {
1373 function set_pconfig($uid,$family,$key,$value) {
1377 if(get_pconfig($uid,$family,$key,true) === false) {
1378 $a->config[$uid][$family][$key] = $value;
1379 $ret = q("INSERT INTO `pconfig` ( `uid`, `cat`, `k`, `v` ) VALUES ( %d, '%s', '%s', '%s' ) ",
1389 $ret = q("UPDATE `pconfig` SET `v` = '%s' WHERE `uid` = %d AND `cat` = '%s' AND `k` = '%s' LIMIT 1",
1396 $a->config[$uid][$family][$key] = $value;
1403 if(! function_exists('del_pconfig')) {
1404 function del_pconfig($uid,$family,$key) {
1407 if(x($a->config[$uid][$family],$key))
1408 unset($a->config[$uid][$family][$key]);
1409 $ret = q("DELETE FROM `pconfig` WHERE `uid` = %d AND `cat` = '%s' AND `k` = '%s' LIMIT 1",
1418 // convert an XML document to a normalised, case-corrected array
1419 // used by webfinger
1421 if(! function_exists('convert_xml_element_to_array')) {
1422 function convert_xml_element_to_array($xml_element, &$recursion_depth=0) {
1424 // If we're getting too deep, bail out
1425 if ($recursion_depth > 512) {
1429 if (!is_string($xml_element) &&
1430 !is_array($xml_element) &&
1431 (get_class($xml_element) == 'SimpleXMLElement')) {
1432 $xml_element_copy = $xml_element;
1433 $xml_element = get_object_vars($xml_element);
1436 if (is_array($xml_element)) {
1437 $result_array = array();
1438 if (count($xml_element) <= 0) {
1439 return (trim(strval($xml_element_copy)));
1442 foreach($xml_element as $key=>$value) {
1445 $result_array[strtolower($key)] =
1446 convert_xml_element_to_array($value, $recursion_depth);
1449 if ($recursion_depth == 0) {
1450 $temp_array = $result_array;
1451 $result_array = array(
1452 strtolower($xml_element_copy->getName()) => $temp_array,
1456 return ($result_array);
1459 return (trim(strval($xml_element)));
1463 // Given an email style address, perform webfinger lookup and
1464 // return the resulting DFRN profile URL, or if no DFRN profile URL
1465 // is located, returns an OStatus subscription template (prefixed
1466 // with the string 'stat:' to identify it as on OStatus template).
1467 // If this isn't an email style address just return $s.
1468 // Return an empty string if email-style addresses but webfinger fails,
1469 // or if the resultant personal XRD doesn't contain a supported
1470 // subscription/friend-request attribute.
1472 if(! function_exists('webfinger_dfrn')) {
1473 function webfinger_dfrn($s) {
1474 if(! strstr($s,'@')) {
1477 $links = webfinger($s);
1478 logger('webfinger_dfrn: ' . $s . ':' . print_r($links,true), LOGGER_DATA);
1480 foreach($links as $link)
1481 if($link['@attributes']['rel'] === NAMESPACE_DFRN)
1482 return $link['@attributes']['href'];
1483 foreach($links as $link)
1484 if($link['@attributes']['rel'] === NAMESPACE_OSTATUSSUB)
1485 return 'stat:' . $link['@attributes']['template'];
1490 // Given an email style address, perform webfinger lookup and
1491 // return the array of link attributes from the personal XRD file.
1492 // On error/failure return an empty array.
1495 if(! function_exists('webfinger')) {
1496 function webfinger($s) {
1498 if(strstr($s,'@')) {
1499 $host = substr($s,strpos($s,'@') + 1);
1502 $tpl = fetch_lrdd_template($host);
1503 logger('webfinger: lrdd template: ' . $tpl);
1505 $pxrd = str_replace('{uri}', urlencode('acct:' . $s), $tpl);
1506 logger('webfinger: pxrd: ' . $pxrd);
1507 $links = fetch_xrd_links($pxrd);
1508 if(! count($links)) {
1509 // try with double slashes
1510 $pxrd = str_replace('{uri}', urlencode('acct://' . $s), $tpl);
1511 logger('webfinger: pxrd: ' . $pxrd);
1512 $links = fetch_xrd_links($pxrd);
1520 if(! function_exists('lrdd')) {
1521 function lrdd($uri) {
1525 // default priority is host priority, host-meta first
1529 // All we have is an email address. Resource-priority is irrelevant
1530 // because our URI isn't directly resolvable.
1532 if(strstr($uri,'@')) {
1533 return(webfinger($uri));
1536 // get the host meta file
1538 $host = @parse_url($uri);
1541 $url = ((x($host,'scheme')) ? $host['scheme'] : 'http') . '://';
1542 $url .= $host['host'] . '/.well-known/host-meta' ;
1547 logger('lrdd: constructed url: ' . $url);
1549 $xml = fetch_url($url);
1550 $headers = $a->get_curl_headers();
1555 logger('lrdd: host_meta: ' . $xml, LOGGER_DATA);
1557 $h = parse_xml_string($xml);
1561 $arr = convert_xml_element_to_array($h);
1563 if(isset($arr['xrd']['property'])) {
1564 $property = $arr['crd']['property'];
1565 if(! isset($property[0]))
1566 $properties = array($property);
1568 $properties = $property;
1569 foreach($properties as $prop)
1570 if((string) $prop['@attributes'] === 'http://lrdd.net/priority/resource')
1571 $priority = 'resource';
1574 // save the links in case we need them
1578 if(isset($arr['xrd']['link'])) {
1579 $link = $arr['xrd']['link'];
1580 if(! isset($link[0]))
1581 $links = array($link);
1586 // do we have a template or href?
1589 foreach($links as $link) {
1590 if($link['@attributes']['rel'] && attribute_contains($link['@attributes']['rel'],'lrdd')) {
1591 if(x($link['@attributes'],'template'))
1592 $tpl = $link['@attributes']['template'];
1593 elseif(x($link['@attributes'],'href'))
1594 $href = $link['@attributes']['href'];
1599 if((! isset($tpl)) || (! strpos($tpl,'{uri}')))
1602 if($priority === 'host') {
1604 $pxrd = str_replace('{uri}', urlencode($uri), $tpl);
1605 elseif(isset($href))
1608 logger('lrdd: (host priority) pxrd: ' . $pxrd);
1609 $links = fetch_xrd_links($pxrd);
1613 $lines = explode("\n",$headers);
1615 foreach($lines as $line) {
1616 if((stristr($line,'link:')) && preg_match('/<([^>].*)>.*rel\=[\'\"]lrdd[\'\"]/',$line,$matches)) {
1617 return(fetch_xrd_links($matches[1]));
1625 // priority 'resource'
1628 $html = fetch_url($uri);
1629 $headers = $a->get_curl_headers();
1630 logger('lrdd: headers=' . $headers, LOGGER_DEBUG);
1632 // don't try and parse raw xml as html
1633 if(! strstr($html,'<?xml')) {
1634 require_once('library/HTML5/Parser.php');
1635 $dom = @HTML5_Parser::parse($html);
1638 $items = $dom->getElementsByTagName('link');
1639 foreach($items as $item) {
1640 $x = $item->getAttribute('rel');
1642 $pagelink = $item->getAttribute('href');
1649 if(isset($pagelink))
1650 return(fetch_xrd_links($pagelink));
1652 // next look in HTTP headers
1654 $lines = explode("\n",$headers);
1656 foreach($lines as $line) {
1657 // TODO alter the following regex to support multiple relations (space separated)
1658 if((stristr($line,'link:')) && preg_match('/<([^>].*)>.*rel\=[\'\"]lrdd[\'\"]/',$line,$matches)) {
1659 $pagelink = $matches[1];
1662 // don't try and run feeds through the html5 parser
1663 if(stristr($line,'content-type:') && ((stristr($line,'application/atom+xml')) || (stristr($line,'application/rss+xml'))))
1665 if(stristr($html,'<rss') || stristr($html,'<feed'))
1670 if(isset($pagelink))
1671 return(fetch_xrd_links($pagelink));
1673 // If we haven't found any links, return the host xrd links (which we have already fetched)
1684 // Given a host name, locate the LRDD template from that
1685 // host. Returns the LRDD template or an empty string on
1688 if(! function_exists('fetch_lrdd_template')) {
1689 function fetch_lrdd_template($host) {
1692 $url1 = 'https://' . $host . '/.well-known/host-meta' ;
1693 $url2 = 'http://' . $host . '/.well-known/host-meta' ;
1694 $links = fetch_xrd_links($url1);
1695 logger('fetch_lrdd_template from: ' . $url1);
1696 logger('template (https): ' . print_r($links,true));
1697 if(! count($links)) {
1698 logger('fetch_lrdd_template from: ' . $url2);
1699 $links = fetch_xrd_links($url2);
1700 logger('template (http): ' . print_r($links,true));
1703 foreach($links as $link)
1704 if($link['@attributes']['rel'] && $link['@attributes']['rel'] === 'lrdd')
1705 $tpl = $link['@attributes']['template'];
1707 if(! strpos($tpl,'{uri}'))
1712 // Given a URL, retrieve the page as an XRD document.
1713 // Return an array of links.
1714 // on error/failure return empty array.
1716 if(! function_exists('fetch_xrd_links')) {
1717 function fetch_xrd_links($url) {
1720 $xml = fetch_url($url);
1724 logger('fetch_xrd_links: ' . $xml, LOGGER_DATA);
1725 $h = parse_xml_string($xml);
1729 $arr = convert_xml_element_to_array($h);
1733 if(isset($arr['xrd']['link'])) {
1734 $link = $arr['xrd']['link'];
1735 if(! isset($link[0]))
1736 $links = array($link);
1740 if(isset($arr['xrd']['alias'])) {
1741 $alias = $arr['xrd']['alias'];
1742 if(! isset($alias[0]))
1743 $aliases = array($alias);
1746 foreach($aliases as $alias) {
1747 $links[]['@attributes'] = array('rel' => 'alias' , 'href' => $alias);
1751 logger('fetch_xrd_links: ' . print_r($links,true), LOGGER_DATA);
1757 // Convert an ACL array to a storable string
1759 if(! function_exists('perms2str')) {
1760 function perms2str($p) {
1763 if(is_array($tmp)) {
1764 array_walk($tmp,'sanitise_acl');
1765 $ret = implode('',$tmp);
1770 // generate a guaranteed unique (for this domain) item ID for ATOM
1771 // safe from birthday paradox
1773 if(! function_exists('item_new_uri')) {
1774 function item_new_uri($hostname,$uid) {
1778 $hash = random_string();
1780 $uri = "urn:X-dfrn:" . $hostname . ':' . $uid . ':' . $hash;
1782 $r = q("SELECT `id` FROM `item` WHERE `uri` = '%s' LIMIT 1",
1786 } while($dups == true);
1790 // Generate a guaranteed unique photo ID.
1791 // safe from birthday paradox
1793 if(! function_exists('photo_new_resource')) {
1794 function photo_new_resource() {
1798 $resource = hash('md5',uniqid(mt_rand(),true));
1799 $r = q("SELECT `id` FROM `photo` WHERE `resource-id` = '%s' LIMIT 1",
1804 } while($found == true);
1809 // Take a URL from the wild, prepend http:// if necessary
1810 // and check DNS to see if it's real
1811 // return true if it's OK, false if something is wrong with it
1813 if(! function_exists('validate_url')) {
1814 function validate_url(&$url) {
1815 if(substr($url,0,4) != 'http')
1816 $url = 'http://' . $url;
1817 $h = @parse_url($url);
1819 if(($h) && (dns_get_record($h['host'], DNS_A + DNS_CNAME + DNS_PTR))) {
1825 // checks that email is an actual resolvable internet address
1827 if(! function_exists('validate_email')) {
1828 function validate_email($addr) {
1830 if(! strpos($addr,'@'))
1832 $h = substr($addr,strpos($addr,'@') + 1);
1834 if(($h) && (dns_get_record($h, DNS_A + DNS_CNAME + DNS_PTR + DNS_MX))) {
1840 // Check $url against our list of allowed sites,
1841 // wildcards allowed. If allowed_sites is unset return true;
1842 // If url is allowed, return true.
1843 // otherwise, return false
1845 if(! function_exists('allowed_url')) {
1846 function allowed_url($url) {
1848 $h = @parse_url($url);
1854 $str_allowed = get_config('system','allowed_sites');
1860 $host = strtolower($h['host']);
1862 // always allow our own site
1864 if($host == strtolower($_SERVER['SERVER_NAME']))
1867 $fnmatch = function_exists('fnmatch');
1868 $allowed = explode(',',$str_allowed);
1870 if(count($allowed)) {
1871 foreach($allowed as $a) {
1872 $pat = strtolower(trim($a));
1873 if(($fnmatch && fnmatch($pat,$host)) || ($pat == $host)) {
1882 // check if email address is allowed to register here.
1883 // Compare against our list (wildcards allowed).
1884 // Returns false if not allowed, true if allowed or if
1885 // allowed list is not configured.
1887 if(! function_exists('allowed_email')) {
1888 function allowed_email($email) {
1891 $domain = strtolower(substr($email,strpos($email,'@') + 1));
1895 $str_allowed = get_config('system','allowed_email');
1901 $fnmatch = function_exists('fnmatch');
1902 $allowed = explode(',',$str_allowed);
1904 if(count($allowed)) {
1905 foreach($allowed as $a) {
1906 $pat = strtolower(trim($a));
1907 if(($fnmatch && fnmatch($pat,$domain)) || ($pat == $domain)) {
1918 // wrapper to load a view template, checking for alternate
1919 // languages before falling back to the default
1921 // obsolete, deprecated.
1923 if(! function_exists('load_view_file')) {
1924 function load_view_file($s) {
1930 if(file_exists("$d/$lang/$b"))
1931 return file_get_contents("$d/$lang/$b");
1933 $theme = current_theme();
1935 if(file_exists("$d/theme/$theme/$b"))
1936 return file_get_contents("$d/theme/$theme/$b");
1938 return file_get_contents($s);
1941 if(! function_exists('get_intltext_template')) {
1942 function get_intltext_template($s) {
1948 if(file_exists("view/$lang/$s"))
1949 return file_get_contents("view/$lang/$s");
1950 elseif(file_exists("view/en/$s"))
1951 return file_get_contents("view/en/$s");
1953 return file_get_contents("view/$s");
1956 if(! function_exists('get_markup_template')) {
1957 function get_markup_template($s) {
1959 $theme = current_theme();
1961 if(file_exists("view/theme/$theme/$s"))
1962 return file_get_contents("view/theme/$theme/$s");
1964 return file_get_contents("view/$s");
1972 // for html,xml parsing - let's say you've got
1973 // an attribute foobar="class1 class2 class3"
1974 // and you want to find out if it contains 'class3'.
1975 // you can't use a normal sub string search because you
1976 // might match 'notclass3' and a regex to do the job is
1977 // possible but a bit complicated.
1978 // pass the attribute string as $attr and the attribute you
1979 // are looking for as $s - returns true if found, otherwise false
1981 if(! function_exists('attribute_contains')) {
1982 function attribute_contains($attr,$s) {
1983 $a = explode(' ', $attr);
1984 if(count($a) && in_array($s,$a))
1989 if(! function_exists('logger')) {
1990 function logger($msg,$level = 0) {
1991 $debugging = get_config('system','debugging');
1992 $loglevel = intval(get_config('system','loglevel'));
1993 $logfile = get_config('system','logfile');
1995 if((! $debugging) || (! $logfile) || ($level > $loglevel))
1998 @file_put_contents($logfile, datetime_convert() . ':' . session_id() . ' ' . $msg . "\n", FILE_APPEND);
2003 if(! function_exists('activity_match')) {
2004 function activity_match($haystack,$needle) {
2005 if(($haystack === $needle) || ((basename($needle) === $haystack) && strstr($needle,NAMESPACE_ACTIVITY_SCHEMA)))
2011 // Pull out all #hashtags and @person tags from $s;
2012 // We also get @person@domain.com - which would make
2013 // the regex quite complicated as tags can also
2014 // end a sentence. So we'll run through our results
2015 // and strip the period from any tags which end with one.
2016 // Returns array of tags found, or empty array.
2019 if(! function_exists('get_tags')) {
2020 function get_tags($s) {
2023 // ignore anything in a code block
2025 $s = preg_replace('/\[code\](.*?)\[\/code\]/sm','',$s);
2027 if(preg_match_all('/([@#][^ \x0D\x0A,:?]+ [^ \x0D\x0A,:?]+)([ \x0D\x0A,:?]|$)/',$s,$match)) {
2028 foreach($match[1] as $mtch) {
2029 if(strstr($mtch,"]")) {
2030 // we might be inside a bbcode color tag - leave it alone
2033 if(substr($mtch,-1,1) === '.')
2034 $ret[] = substr($mtch,0,-1);
2040 if(preg_match_all('/([@#][^ \x0D\x0A,:?]+)([ \x0D\x0A,:?]|$)/',$s,$match)) {
2041 foreach($match[1] as $mtch) {
2042 if(strstr($mtch,"]")) {
2043 // we might be inside a bbcode color tag - leave it alone
2046 if(substr($mtch,-1,1) === '.')
2047 $ret[] = substr($mtch,0,-1);
2056 // quick and dirty quoted_printable encoding
2058 if(! function_exists('qp')) {
2060 return str_replace ("%","=",rawurlencode($s));
2065 if(! function_exists('get_mentions')) {
2066 function get_mentions($item) {
2068 if(! strlen($item['tag']))
2071 $arr = explode(',',$item['tag']);
2072 foreach($arr as $x) {
2074 if(preg_match('/@\[url=([^\]]*)\]/',$x,$matches)) {
2075 $o .= "\t\t" . '<link rel="mentioned" href="' . $matches[1] . '" />' . "\r\n";
2076 $o .= "\t\t" . '<link rel="ostatus:attention" href="' . $matches[1] . '" />' . "\r\n";
2082 if(! function_exists('contact_block')) {
2083 function contact_block() {
2087 $shown = get_pconfig($a->profile['uid'],'system','display_friend_count');
2091 if((! is_array($a->profile)) || ($a->profile['hide-friends']))
2093 $r = q("SELECT COUNT(*) AS `total` FROM `contact` WHERE `uid` = %d AND `self` = 0 AND `blocked` = 0 and `pending` = 0",
2094 intval($a->profile['uid'])
2097 $total = intval($r[0]['total']);
2100 $o .= '<h4 class="contact-h4">' . t('No contacts') . '</h4>';
2103 $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 0 AND `blocked` = 0 and `pending` = 0 ORDER BY RAND() LIMIT %d",
2104 intval($a->profile['uid']),
2108 $o .= '<h4 class="contact-h4">' . sprintf( tt('%d Contact','%d Contacts', $total),$total) . '</h4><div id="contact-block">';
2109 foreach($r as $rr) {
2110 $o .= micropro($rr,true,'mpfriend');
2112 $o .= '</div><div id="contact-block-end"></div>';
2113 $o .= '<div id="viewcontacts"><a id="viewcontacts-link" href="viewcontacts/' . $a->profile['nickname'] . '">' . t('View Contacts') . '</a></div>';
2117 $arr = array('contacts' => $r, 'output' => $o);
2119 call_hooks('contact_block_end', $arr);
2124 if(! function_exists('micropro')) {
2125 function micropro($contact, $redirect = false, $class = '', $textmode = false) {
2128 $class = ' ' . $class;
2130 $url = $contact['url'];
2135 $redirect_url = $a->get_baseurl() . '/redir/' . $contact['id'];
2136 if(local_user() && ($contact['uid'] == local_user()) && ($contact['network'] === 'dfrn')) {
2137 $url = $redirect_url;
2138 $sparkle = ' sparkle';
2141 $click = ((x($contact,'click')) ? ' onclick="' . $contact['click'] . '" ' : '');
2145 return '<div class="contact-block-textdiv' . $class . '"><a class="contact-block-link' . $class . $sparkle
2146 . (($click) ? ' fakelink' : '') . '" '
2147 . (($url) ? ' href="' . $url . '"' : '') . $click
2148 . '" title="' . $contact['name'] . ' [' . $contact['url'] . ']" alt="' . $contact['name']
2149 . '" >'. $contact['name'] . '</a></div>' . "\r\n";
2152 return '<div class="contact-block-div' . $class . '"><a class="contact-block-link' . $class . $sparkle
2153 . (($click) ? ' fakelink' : '') . '" '
2154 . (($url) ? ' href="' . $url . '"' : '') . $click . ' ><img class="contact-block-img' . $class . $sparkle . '" src="'
2155 . $contact['micro'] . '" title="' . $contact['name'] . ' [' . $contact['url'] . ']" alt="' . $contact['name']
2156 . '" /></a></div>' . "\r\n";
2162 if(! function_exists('search')) {
2163 function search($s,$id='search-box',$url='/search') {
2165 $o = '<div id="' . $id . '">';
2166 $o .= '<form action="' . $a->get_baseurl() . $url . '" method="get" >';
2167 $o .= '<input type="text" name="search" id="search-text" value="' . $s .'" />';
2168 $o .= '<input type="submit" name="submit" id="search-submit" value="' . t('Search') . '" />';
2169 $o .= '</form></div>';
2173 if(! function_exists('valid_email')) {
2174 function valid_email($x){
2175 if(preg_match('/^[_a-zA-Z0-9-]+(\.[_a-zA-Z0-9-]+)*@[a-zA-Z0-9-]+(\.[a-zA-Z0-9-]+)+$/',$x))
2181 if(! function_exists('gravatar_img')) {
2182 function gravatar_img($email) {
2184 $opt = 'identicon'; // psuedo-random geometric pattern if not found
2186 $hash = md5(trim(strtolower($email)));
2188 $url = 'http://www.gravatar.com/avatar/' . $hash . '.jpg'
2189 . '?s=' . $size . '&d=' . $opt . '&r=' . $rating;
2191 logger('gravatar: ' . $email . ' ' . $url);
2195 if(! function_exists('aes_decrypt')) {
2196 function aes_decrypt($val,$ky)
2198 $key="\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
2199 for($a=0;$a<strlen($ky);$a++)
2200 $key[$a%16]=chr(ord($key[$a%16]) ^ ord($ky[$a]));
2201 $mode = MCRYPT_MODE_ECB;
2202 $enc = MCRYPT_RIJNDAEL_128;
2203 $dec = @mcrypt_decrypt($enc, $key, $val, $mode, @mcrypt_create_iv( @mcrypt_get_iv_size($enc, $mode), MCRYPT_DEV_URANDOM ) );
2204 return rtrim($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));
2208 if(! function_exists('aes_encrypt')) {
2209 function aes_encrypt($val,$ky)
2211 $key="\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
2212 for($a=0;$a<strlen($ky);$a++)
2213 $key[$a%16]=chr(ord($key[$a%16]) ^ ord($ky[$a]));
2214 $mode=MCRYPT_MODE_ECB;
2215 $enc=MCRYPT_RIJNDAEL_128;
2216 $val=str_pad($val, (16*(floor(strlen($val) / 16)+(strlen($val) % 16==0?2:1))), chr(16-(strlen($val) % 16)));
2217 return mcrypt_encrypt($enc, $key, $val, $mode, mcrypt_create_iv( mcrypt_get_iv_size($enc, $mode), MCRYPT_DEV_URANDOM));
2225 * Replace naked text hyperlink with HTML formatted hyperlink
2229 if(! function_exists('linkify')) {
2230 function linkify($s) {
2231 $s = preg_replace("/(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\.\=\_\~\#\'\%\$\!\+]*)/", ' <a href="$1" target="external-link">$1</a>', $s);
2241 * Replaces text emoticons with graphical images
2243 * @Parameter: string $s
2248 if(! function_exists('smilies')) {
2249 function smilies($s) {
2253 array( '<3', '</3', '<\\3', ':-)', ':)', ';-)', ':-(', ':(', ':-P', ':P', ':-"', ':-x', ':-X', ':-D', '8-|', '8-O'),
2255 '<img src="' . $a->get_baseurl() . '/images/smiley-heart.gif" alt="<3" />',
2256 '<img src="' . $a->get_baseurl() . '/images/smiley-brokenheart.gif" alt="</3" />',
2257 '<img src="' . $a->get_baseurl() . '/images/smiley-brokenheart.gif" alt="<\\3" />',
2258 '<img src="' . $a->get_baseurl() . '/images/smiley-smile.gif" alt=":-)" />',
2259 '<img src="' . $a->get_baseurl() . '/images/smiley-smile.gif" alt=":)" />',
2260 '<img src="' . $a->get_baseurl() . '/images/smiley-wink.gif" alt=";-)" />',
2261 '<img src="' . $a->get_baseurl() . '/images/smiley-frown.gif" alt=":-(" />',
2262 '<img src="' . $a->get_baseurl() . '/images/smiley-frown.gif" alt=":(" />',
2263 '<img src="' . $a->get_baseurl() . '/images/smiley-tongue-out.gif" alt=":-P" />',
2264 '<img src="' . $a->get_baseurl() . '/images/smiley-tongue-out.gif" alt=":P" />',
2265 '<img src="' . $a->get_baseurl() . '/images/smiley-kiss.gif" alt=":-\"" />',
2266 '<img src="' . $a->get_baseurl() . '/images/smiley-kiss.gif" alt=":-x" />',
2267 '<img src="' . $a->get_baseurl() . '/images/smiley-kiss.gif" alt=":-X" />',
2268 '<img src="' . $a->get_baseurl() . '/images/smiley-laughing.gif" alt=":-D" />',
2269 '<img src="' . $a->get_baseurl() . '/images/smiley-surprised.gif" alt="8-|" />',
2270 '<img src="' . $a->get_baseurl() . '/images/smiley-surprised.gif" alt="8-O" />'
2277 * Function : profile_load
2279 * @parameter string $nickname
2280 * @parameter int $profile
2282 * Summary: Loads a profile into the page sidebar.
2283 * The function requires a writeable copy of the main App structure, and the nickname
2284 * of a registered local account.
2286 * If the viewer is an authenticated remote viewer, the profile displayed is the
2287 * one that has been configured for his/her viewing in the Contact manager.
2288 * Passing a non-zero profile ID can also allow a preview of a selected profile
2291 * Profile information is placed in the App structure for later retrieval.
2292 * Honours the owner's chosen theme for display.
2296 if(! function_exists('profile_load')) {
2297 function profile_load(&$a, $nickname, $profile = 0) {
2299 $r = q("SELECT `profile-id` FROM `contact` WHERE `id` = %d LIMIT 1",
2300 intval($_SESSION['visitor_id']));
2302 $profile = $r[0]['profile-id'];
2308 $profile_int = intval($profile);
2309 $r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `user`.* FROM `profile`
2310 LEFT JOIN `user` ON `profile`.`uid` = `user`.`uid`
2311 WHERE `user`.`nickname` = '%s' AND `profile`.`id` = %d LIMIT 1",
2313 intval($profile_int)
2317 $r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `user`.* FROM `profile`
2318 LEFT JOIN `user` ON `profile`.`uid` = `user`.`uid`
2319 WHERE `user`.`nickname` = '%s' AND `profile`.`is-default` = 1 LIMIT 1",
2324 if(($r === false) || (! count($r))) {
2325 notice( t('No profile') . EOL );
2330 $a->profile = $r[0];
2333 $a->page['title'] = $a->profile['name'] . " @ " . $a->config['sitename'];
2334 $_SESSION['theme'] = $a->profile['theme'];
2336 if(! (x($a->page,'aside')))
2337 $a->page['aside'] = '';
2339 $a->page['aside'] .= profile_sidebar($a->profile);
2340 $a->page['aside'] .= contact_block();
2348 * Function: profile_sidebar
2350 * Formats a profile for display in the sidebar.
2351 * It is very difficult to templatise the HTML completely
2352 * because of all the conditional logic.
2354 * @parameter: array $profile
2356 * Returns HTML string stuitable for sidebar inclusion
2357 * Exceptions: Returns empty string if passed $profile is wrong type or not populated
2362 if(! function_exists('profile_sidebar')) {
2363 function profile_sidebar($profile) {
2369 if((! is_array($profile)) && (! count($profile)))
2372 call_hooks('profile_sidebar_enter', $profile);
2374 $fullname = '<div class="fn">' . $profile['name'] . '</div>';
2376 $pdesc = '<div class="title">' . $profile['pdesc'] . '</div>';
2380 $photo = '<div id="profile-photo-wrapper"><img class="photo" src="' . $profile['photo'] . '" alt="' . $profile['name'] . '" /></div>';
2382 // don't show connect link to yourself
2384 $connect = (($profile['uid'] != local_user()) ? '<li><a id="dfrn-request-link" href="dfrn_request/' . $profile['nickname'] . '">' . t('Connect') . '</a></li>' : '');
2386 // don't show connect link to authenticated visitors either
2388 if((remote_user()) && ($_SESSION['visitor_visiting'] == $profile['uid']))
2391 if((x($profile,'address') == 1)
2392 || (x($profile,'locality') == 1)
2393 || (x($profile,'region') == 1)
2394 || (x($profile,'postal-code') == 1)
2395 || (x($profile,'country-name') == 1))
2399 $location .= '<div class="location"><span class="location-label">' . t('Location:') . '</span> <div class="adr">';
2400 $location .= ((x($profile,'address') == 1) ? '<div class="street-address">' . $profile['address'] . '</div>' : '');
2401 $location .= (((x($profile,'locality') == 1) || (x($profile,'region') == 1) || (x($profile,'postal-code') == 1))
2402 ? '<span class="city-state-zip"><span class="locality">' . $profile['locality'] . '</span>'
2403 . ((x($profile['locality']) == 1) ? t(', ') : '')
2404 . '<span class="region">' . $profile['region'] . '</span>'
2405 . ' <span class="postal-code">' . $profile['postal-code'] . '</span></span>' : '');
2406 $location .= ((x($profile,'country-name') == 1) ? ' <span class="country-name">' . $profile['country-name'] . '</span>' : '');
2407 $location .= '</div></div><div class="profile-clear"></div>';
2411 $gender = ((x($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>' : '');
2413 $pubkey = ((x($profile,'pubkey') == 1) ? '<div class="key" style="display:none;">' . $profile['pubkey'] . '</div>' : '');
2415 $marital = ((x($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>' : '');
2417 $homepage = ((x($profile,'homepage') == 1) ? '<div class="homepage"><span class="homepage-label">' . t('Homepage:') . ' </span><span class="homepage-url">' . linkify($profile['homepage']) . '</span></div><div class="profile-clear"></div>' : '');
2419 if($profile['hidewall'] && (! local_user()) && (! remote_user())) {
2420 $location = $gender = $marital = $homepage = '';
2423 $tpl = get_markup_template('profile_vcard.tpl');
2425 $o .= replace_macros($tpl, array(
2426 '$fullname' => $fullname,
2430 '$connect' => $connect,
2431 '$location' => $location,
2432 '$gender' => $gender,
2433 '$pubkey' => $pubkey,
2434 '$marital' => $marital,
2435 '$homepage' => $homepage
2439 $arr = array('profile' => &$profile, 'entry' => &$o);
2441 call_hooks('profile_sidebar', $arr);
2447 if(! function_exists('register_hook')) {
2448 function register_hook($hook,$file,$function) {
2450 $r = q("SELECT * FROM `hook` WHERE `hook` = '%s' AND `file` = '%s' AND `function` = '%s' LIMIT 1",
2458 $r = q("INSERT INTO `hook` (`hook`, `file`, `function`) VALUES ( '%s', '%s', '%s' ) ",
2466 if(! function_exists('unregister_hook')) {
2467 function unregister_hook($hook,$file,$function) {
2469 $r = q("DELETE FROM `hook` WHERE `hook` = '%s' AND `file` = '%s' AND `function` = '%s' LIMIT 1",
2478 if(! function_exists('load_hooks')) {
2479 function load_hooks() {
2481 $a->hooks = array();
2482 $r = q("SELECT * FROM `hook` WHERE 1");
2484 foreach($r as $rr) {
2485 $a->hooks[] = array($rr['hook'], $rr['file'], $rr['function']);
2491 if(! function_exists('call_hooks')) {
2492 function call_hooks($name, &$data = null) {
2495 if(count($a->hooks)) {
2496 foreach($a->hooks as $hook) {
2497 if($hook[HOOK_HOOK] === $name) {
2498 @include_once($hook[HOOK_FILE]);
2499 if(function_exists($hook[HOOK_FUNCTION])) {
2500 $func = $hook[HOOK_FUNCTION];
2509 if(! function_exists('day_translate')) {
2510 function day_translate($s) {
2511 $ret = str_replace(array('Monday','Tuesday','Wednesday','Thursday','Friday','Saturday','Sunday'),
2512 array( t('Monday'), t('Tuesday'), t('Wednesday'), t('Thursday'), t('Friday'), t('Saturday'), t('Sunday')),
2515 $ret = str_replace(array('January','February','March','April','May','June','July','August','September','October','November','December'),
2516 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')),
2522 if(! function_exists('get_birthdays')) {
2523 function get_birthdays() {
2531 $bd_format = t('g A l F d') ; // 8 AM Friday January 18
2533 $r = q("SELECT `event`.*, `event`.`id` AS `eid`, `contact`.* FROM `event`
2534 LEFT JOIN `contact` ON `contact`.`id` = `event`.`cid`
2535 WHERE `event`.`uid` = %d AND `type` = 'birthday' AND `start` < '%s' AND `finish` > '%s'
2536 ORDER BY `start` DESC ",
2537 intval(local_user()),
2538 dbesc(datetime_convert('UTC','UTC','now + 6 days')),
2539 dbesc(datetime_convert('UTC','UTC','now'))
2542 if($r && count($r)) {
2545 if(strlen($rr['name']))
2549 $o .= '<div id="birthday-notice" class="birthday-notice fakelink" onclick=openClose(\'birthday-wrapper\'); >' . t('Birthday Reminders') . ' ' . '(' . $total . ')' . '</div>';
2550 $o .= '<div id="birthday-wrapper" style="display: none;" ><div id="birthday-title">' . t('Birthdays this week:') . '</div>';
2551 $o .= '<div id="birthday-adjust">' . t("\x28Adjusted for local time\x29") . '</div>';
2552 $o .= '<div id="birthday-title-end"></div>';
2554 foreach($r as $rr) {
2555 if(! strlen($rr['name']))
2557 $now = strtotime('now');
2558 $today = (((strtotime($rr['start'] . ' +00:00') < $now) && (strtotime($rr['finish'] . ' +00:00') > $now)) ? true : false);
2560 $o .= '<div class="birthday-list" id="birthday-' . $rr['eid'] . '"><a class="sparkle" href="'
2561 . $a->get_baseurl() . '/redir/' . $rr['cid'] . '">' . $rr['name'] . '</a> '
2562 . day_translate(datetime_convert('UTC', $a->timezone, $rr['start'], $bd_format)) . (($today) ? ' ' . t('[today]') : '')
2565 $o .= '</div></div>';
2572 if(! function_exists('normalise_link')) {
2573 function normalise_link($url) {
2574 $ret = str_replace(array('https:','//www.'), array('http:','//'), $url);
2575 return(rtrim($ret,'/'));
2580 * Compare two URLs to see if they are the same, but ignore
2581 * slight but hopefully insignificant differences such as if one
2582 * is https and the other isn't, or if one is www.something and
2583 * the other isn't - and also ignore case differences.
2585 * Return true if the URLs match, otherwise false.
2589 if(! function_exists('link_compare')) {
2590 function link_compare($a,$b) {
2591 if(strcasecmp(normalise_link($a),normalise_link($b)) === 0)
2597 if(! function_exists('prepare_body')) {
2598 function prepare_body($item,$attach = false) {
2600 $s = prepare_text($item['body']);
2604 $arr = explode(',',$item['attach']);
2606 $s .= '<div class="body-attach">';
2607 foreach($arr as $r) {
2610 $cnt = preg_match('|\[attach\]href=\"(.*?)\" size=\"(.*?)\" type=\"(.*?)\" title=\"(.*?)\"\[\/attach\]|',$r,$matches);
2612 $icontype = strtolower(substr($matches[3],0,strpos($matches[3],'/')));
2618 $icon = '<div class="attachtype type-' . $icontype . '"></div>';
2621 $icon = '<div class="attachtype type-unkn"></div>';
2624 $title = ((strlen(trim($matches[4]))) ? escape_tags(trim($matches[4])) : escape_tags($matches[1]));
2625 $title .= ' ' . $matches[2] . ' ' . t('bytes');
2627 $s .= '<a href="' . strip_tags($matches[1]) . '" title="' . $title . '" class="attachlink" target="external-link" >' . $icon . '</a>';
2630 $s .= '<div class="clear"></div></div>';
2635 if(! function_exists('prepare_text')) {
2636 function prepare_text($text) {
2638 require_once('include/bbcode.php');
2640 $s = smilies(bbcode($text));
2647 * Wrap calls to proc_close(proc_open()) and call hook
2648 * so plugins can take part in process :)
2651 * $cmd program to run
2652 * next args are passed as $cmd command line
2654 * e.g.: proc_run("ls","-la","/tmp");
2656 * $cmd and string args are surrounded with ""
2659 if(! function_exists('proc_run')) {
2660 function proc_run($cmd){
2664 $args = func_get_args();
2665 call_hooks("proc_run", $args);
2667 if(count($args) && $args[0] === 'php')
2668 $args[0] = ((x($a->config,'php_path')) && (strlen($a->config['php_path'])) ? $a->config['php_path'] : 'php');
2670 foreach ($args as $arg){
2671 $arg = escapeshellarg($arg);
2673 $cmdline = implode($args," ");
2674 proc_close(proc_open($cmdline." &",array(),$foo));
2677 if(! function_exists('current_theme')) {
2678 function current_theme(){
2679 $app_base_themes = array('duepuntozero', 'loozah');
2683 $system_theme = ((isset($a->config['system']['theme'])) ? $a->config['system']['theme'] : '');
2684 $theme_name = ((is_array($_SESSION) && x($_SESSION,'theme')) ? $_SESSION['theme'] : $system_theme);
2686 if($theme_name && file_exists('view/theme/' . $theme_name . '/style.css'))
2687 return($theme_name);
2689 foreach($app_base_themes as $t) {
2690 if(file_exists('view/theme/' . $t . '/style.css'))
2694 $fallback = glob('view/theme/*/style.css');
2695 if(count($fallback))
2696 return (str_replace('view/theme/','', str_replace("/style.css","",$fallback[0])));
2701 * Return full URL to theme which is currently in effect.
2702 * Provide a sane default if nothing is chosen or the specified theme does not exist.
2704 if(! function_exists('current_theme_url')) {
2705 function current_theme_url() {
2707 $t = current_theme();
2708 return($a->get_baseurl() . '/view/theme/' . $t . '/style.css');
2711 if(! function_exists('feed_birthday')) {
2712 function feed_birthday($uid,$tz) {
2716 * Determine the next birthday, but only if the birthday is published
2717 * in the default profile. We _could_ also look for a private profile that the
2718 * recipient can see, but somebody could get mad at us if they start getting
2719 * public birthday greetings when they haven't made this info public.
2721 * Assuming we are able to publish this info, we are then going to convert
2722 * the start time from the owner's timezone to UTC.
2724 * This will potentially solve the problem found with some social networks
2725 * where birthdays are converted to the viewer's timezone and salutations from
2726 * elsewhere in the world show up on the wrong day. We will convert it to the
2727 * viewer's timezone also, but first we are going to convert it from the birthday
2728 * person's timezone to GMT - so the viewer may find the birthday starting at
2729 * 6:00PM the day before, but that will correspond to midnight to the birthday person.
2735 $p = q("SELECT `dob` FROM `profile` WHERE `is-default` = 1 AND `uid` = %d LIMIT 1",
2739 if($p && count($p)) {
2740 $tmp_dob = substr($p[0]['dob'],5);
2741 if(intval($tmp_dob)) {
2742 $y = datetime_convert($tz,$tz,'now','Y');
2743 $bd = $y . '-' . $tmp_dob . ' 00:00';
2744 $t_dob = strtotime($bd);
2745 $now = strtotime(datetime_convert($tz,$tz,'now'));
2747 $bd = $y + 1 . '-' . $tmp_dob . ' 00:00';
2748 $birthday = datetime_convert($tz,'UTC',$bd,ATOM_TIME);
2756 * return atom link elements for all of our hubs
2759 if(! function_exists('feed_hublinks')) {
2760 function feed_hublinks() {
2762 $hub = get_config('system','huburl');
2766 $hubs = explode(',', $hub);
2768 foreach($hubs as $h) {
2772 $hubxml .= '<link rel="hub" href="' . xmlify($h) . '" />' . "\n" ;
2779 /* return atom link elements for salmon endpoints */
2781 if(! function_exists('feed_salmonlinks')) {
2782 function feed_salmonlinks($nick) {
2786 $salmon = '<link rel="salmon" href="' . xmlify($a->get_baseurl() . '/salmon/' . $nick) . '" />' . "\n" ;
2788 // old style links that status.net still needed as of 12/2010
2790 $salmon .= ' <link rel="http://salmon-protocol.org/ns/salmon-replies" href="' . xmlify($a->get_baseurl() . '/salmon/' . $nick) . '" />' . "\n" ;
2791 $salmon .= ' <link rel="http://salmon-protocol.org/ns/salmon-mention" href="' . xmlify($a->get_baseurl() . '/salmon/' . $nick) . '" />' . "\n" ;
2795 if(! function_exists('get_plink')) {
2796 function get_plink($item) {
2798 $plink = (((x($item,'plink')) && (! $item['private'])) ? '<div class="wall-item-links-wrapper"><a href="'
2799 . $item['plink'] . '" title="' . t('link to source') . '" target="external-link" class="icon remote-link"></a></div>' : '');
2803 if(! function_exists('unamp')) {
2804 function unamp($s) {
2805 return str_replace('&', '&', $s);
2811 if(! function_exists('lang_selector')) {
2812 function lang_selector() {
2814 $o = '<div id="lang-select-icon" class="icon language" title="' . t('Select an alternate language') . '" onclick="openClose(\'language-selector\');" ></div>';
2815 $o .= '<div id="language-selector" style="display: none;" >';
2816 $o .= '<form action="" method="post" ><select name="system_language" onchange="this.form.submit();" >';
2817 $langs = glob('view/*/strings.php');
2818 if(is_array($langs) && count($langs)) {
2819 if(! in_array('view/en/strings.php',$langs))
2820 $langs[] = 'view/en/';
2822 foreach($langs as $l) {
2824 $ll = substr($ll,0,strrpos($ll,'/'));
2825 $selected = (($ll === $lang) ? ' selected="selected" ' : '');
2826 $o .= '<option value="' . $ll . '"' . $selected . '>' . $ll . '</option>';
2829 $o .= '</select></form></div>';
2834 if(! function_exists('parse_xml_string')) {
2835 function parse_xml_string($s,$strict = true) {
2837 if(! strstr($s,'<?xml'))
2839 $s2 = substr($s,strpos($s,'<?xml'));
2843 libxml_use_internal_errors(true);
2845 $x = @simplexml_load_string($s2);
2847 logger('libxml: parse: error: ' . $s2, LOGGER_DATA);
2848 foreach(libxml_get_errors() as $err)
2849 logger('libxml: parse: ' . $err->code." at ".$err->line.":".$err->column." : ".$err->message, LOGGER_DATA);
2850 libxml_clear_errors();
2855 if(! function_exists('is_site_admin')) {
2856 function is_site_admin() {
2858 if(local_user() && x($a->user,'email') && x($a->config,'admin_email') && ($a->user['email'] === $a->config['admin_email']))
2864 * parse plugin comment in search of plugin infos.
2868 * * Description: A plugin which plugs in
2870 * * Author: John <profile url>
2871 * * Author: Jane <email>
2875 if (! function_exists('get_plugin_info')){
2876 function get_plugin_info($plugin){
2877 if (!is_file("addon/$plugin/$plugin.php")) return false;
2879 $f = file_get_contents("addon/$plugin/$plugin.php");
2880 $r = preg_match("|/\*.*\*/|msU", $f, $m);
2884 'description' => "",
2885 'author' => array(),
2890 $ll = explode("\n", $m[0]);
2891 foreach( $ll as $l ) {
2892 $l = trim($l,"\t\n\r */");
2894 list($k,$v) = array_map("trim", explode(":",$l,2));
2897 $r=preg_match("|([^<]+)<([^>]+)>|", $v, $m);
2899 $info['author'][] = array('name'=>$m[1], 'link'=>$m[2]);
2901 $info['author'][] = array('name'=>$v);
2904 if (array_key_exists($k,$info)){
2916 if(! function_exists('return_bytes')) {
2917 function return_bytes ($size_str) {
2918 switch (substr ($size_str, -1))
2920 case 'M': case 'm': return (int)$size_str * 1048576;
2921 case 'K': case 'k': return (int)$size_str * 1024;
2922 case 'G': case 'g': return (int)$size_str * 1073741824;
2923 default: return $size_str;