5 define ( 'BUILD_ID', 1028 );
6 define ( 'DFRN_PROTOCOL_VERSION', '2.0' );
8 define ( 'EOL', "<br />\r\n" );
9 define ( 'ATOM_TIME', 'Y-m-d\TH:i:s\Z' );
10 define ( 'DOWN_ARROW', '⇩' );
16 define ( 'LOGGER_NORMAL', 0 );
17 define ( 'LOGGER_TRACE', 1 );
18 define ( 'LOGGER_DEBUG', 2 );
19 define ( 'LOGGER_DATA', 3 );
20 define ( 'LOGGER_ALL', 4 );
23 * registration policies
26 define ( 'REGISTER_CLOSED', 0 );
27 define ( 'REGISTER_APPROVE', 1 );
28 define ( 'REGISTER_OPEN', 2 );
34 define ( 'REL_VIP', 1);
35 define ( 'REL_FAN', 2);
36 define ( 'REL_BUD', 3);
42 define ( 'HOOK_HOOK', 0);
43 define ( 'HOOK_FILE', 1);
44 define ( 'HOOK_FUNCTION', 2);
50 * PAGE_NORMAL is a typical personal profile account
51 * PAGE_SOAPBOX automatically approves all friend requests as REL_FAN, (readonly)
52 * PAGE_COMMUNITY automatically approves all friend requests as REL_FAN, but with
53 * write access to wall and comments (no email and not included in page owner's ACL lists)
54 * PAGE_FREELOVE automatically approves all friend requests as full friends (REL_BUD).
58 define ( 'PAGE_NORMAL', 0 );
59 define ( 'PAGE_SOAPBOX', 1 );
60 define ( 'PAGE_COMMUNITY', 2 );
61 define ( 'PAGE_FREELOVE', 3 );
64 * Maximum number of "people who like (or don't like) this" that we will list by name
67 define ( 'MAX_LIKERS', 75);
70 * email notification options
73 define ( 'NOTIFY_INTRO', 0x0001 );
74 define ( 'NOTIFY_CONFIRM', 0x0002 );
75 define ( 'NOTIFY_WALL', 0x0004 );
76 define ( 'NOTIFY_COMMENT', 0x0008 );
77 define ( 'NOTIFY_MAIL', 0x0010 );
80 * various namespaces we may need to parse
83 define ( 'NAMESPACE_DFRN' , 'http://purl.org/macgirvin/dfrn/1.0' );
84 define ( 'NAMESPACE_THREAD' , 'http://purl.org/syndication/thread/1.0' );
85 define ( 'NAMESPACE_TOMB' , 'http://purl.org/atompub/tombstones/1.0' );
86 define ( 'NAMESPACE_ACTIVITY', 'http://activitystrea.ms/spec/1.0/' );
87 define ( 'NAMESPACE_ACTIVITY_SCHEMA', 'http://activitystrea.ms/schema/1.0/' );
88 define ( 'NAMESPACE_MEDIA', 'http://purl.org/syndication/atommedia' );
89 define ( 'NAMESPACE_SALMON_ME', 'http://salmon-protocol.org/ns/magic-env' );
90 define ( 'NAMESPACE_OSTATUSSUB', 'http://ostatus.org/schema/1.0/subscribe' );
91 define ( 'NAMESPACE_GEORSS', 'http://www.georss.org/georss' );
92 define ( 'NAMESPACE_POCO', 'http://portablecontacts.net/spec/1.0' );
93 define ( 'NAMESPACE_FEED', 'http://schemas.google.com/g/2010#updates-from' );
96 * activity stream defines
99 define ( 'ACTIVITY_LIKE', NAMESPACE_ACTIVITY_SCHEMA . 'like' );
100 define ( 'ACTIVITY_DISLIKE', NAMESPACE_DFRN . '/dislike' );
101 define ( 'ACTIVITY_OBJ_HEART', NAMESPACE_DFRN . '/heart' );
103 define ( 'ACTIVITY_FRIEND', NAMESPACE_ACTIVITY_SCHEMA . 'make-friend' );
104 define ( 'ACTIVITY_FOLLOW', NAMESPACE_ACTIVITY_SCHEMA . 'follow' );
105 define ( 'ACTIVITY_UNFOLLOW', NAMESPACE_ACTIVITY_SCHEMA . 'unfollow' );
106 define ( 'ACTIVITY_POST', NAMESPACE_ACTIVITY_SCHEMA . 'post' );
107 define ( 'ACTIVITY_UPDATE', NAMESPACE_ACTIVITY_SCHEMA . 'update' );
108 define ( 'ACTIVITY_TAG', NAMESPACE_ACTIVITY_SCHEMA . 'tag' );
110 define ( 'ACTIVITY_OBJ_COMMENT', NAMESPACE_ACTIVITY_SCHEMA . 'comment' );
111 define ( 'ACTIVITY_OBJ_NOTE', NAMESPACE_ACTIVITY_SCHEMA . 'note' );
112 define ( 'ACTIVITY_OBJ_PERSON', NAMESPACE_ACTIVITY_SCHEMA . 'person' );
113 define ( 'ACTIVITY_OBJ_PHOTO', NAMESPACE_ACTIVITY_SCHEMA . 'photo' );
114 define ( 'ACTIVITY_OBJ_P_PHOTO', NAMESPACE_ACTIVITY_SCHEMA . 'profile-photo' );
115 define ( 'ACTIVITY_OBJ_ALBUM', NAMESPACE_ACTIVITY_SCHEMA . 'photo-album' );
118 * item weight for query ordering
121 define ( 'GRAVITY_PARENT', 0);
122 define ( 'GRAVITY_LIKE', 3);
123 define ( 'GRAVITY_COMMENT', 6);
127 * Reverse the effect of magic_quotes_gpc if it is enabled.
128 * Please disable magic_quotes_gpc so we don't have to do this.
129 * See http://php.net/manual/en/security.magicquotes.disabling.php
133 if (get_magic_quotes_gpc()) {
134 $process = array(&$_GET, &$_POST, &$_COOKIE, &$_REQUEST);
135 while (list($key, $val) = each($process)) {
136 foreach ($val as $k => $v) {
137 unset($process[$key][$k]);
139 $process[$key][stripslashes($k)] = $v;
140 $process[] = &$process[$key][stripslashes($k)];
142 $process[$key][stripslashes($k)] = stripslashes($v);
154 * Our main application structure for the life of this page
155 * Primarily deals with the URL that got us here
156 * and tries to make some sense of it, and
157 * stores our page contents and config storage
158 * and anything else that might need to be passed around
159 * before we spit the page out.
163 if(! class_exists('App')) {
166 public $module_loaded = false;
167 public $query_string;
176 public $error = false;
185 public $interactive = true;
194 private $curl_headers;
196 function __construct() {
198 $this->config = array();
199 $this->page = array();
200 $this->pager= array();
202 $this->query_string = '';
204 $this->scheme = ((isset($_SERVER['HTTPS']) && ($_SERVER['HTTPS'])) ? 'https' : 'http' );
206 if(x($_SERVER,'SERVER_NAME'))
207 $this->hostname = $_SERVER['SERVER_NAME'];
209 set_include_path("include/$this->hostname" . PATH_SEPARATOR . 'include' . PATH_SEPARATOR . '.' );
211 if((x($_SERVER,'QUERY_STRING')) && substr($_SERVER['QUERY_STRING'],0,2) === "q=")
212 $this->query_string = substr($_SERVER['QUERY_STRING'],2);
214 $this->cmd = trim($_GET['q'],'/');
217 * Figure out if we are running at the top of a domain
218 * or in a sub-directory and adjust accordingly
221 $path = trim(dirname($_SERVER['SCRIPT_NAME']),'/');
222 if(isset($path) && strlen($path) && ($path != $this->path))
228 * Break the URL path into C style argc/argv style arguments for our
229 * modules. Given "http://example.com/module/arg1/arg2", $this->argc
230 * will be 3 (integer) and $this->argv will contain:
236 * There will always be one argument. If provided a naked domain
237 * URL, $this->argv[0] is set to "home".
241 $this->argv = explode('/',$this->cmd);
242 $this->argc = count($this->argv);
243 if((array_key_exists('0',$this->argv)) && strlen($this->argv[0])) {
244 $this->module = $this->argv[0];
247 $this->module = 'home';
251 * Special handling for the webfinger/lrdd host XRD file
252 * Just spit out the contents and exit.
255 if($this->cmd === '.well-known/host-meta')
256 require_once('include/hostxrd.php');
260 * See if there is any page number information, and initialise
264 $this->pager['page'] = ((x($_GET,'page')) ? $_GET['page'] : 1);
265 $this->pager['itemspage'] = 50;
266 $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
267 $this->pager['total'] = 0;
270 function get_baseurl($ssl = false) {
271 if(strlen($this->baseurl))
272 return $this->baseurl;
274 $this->baseurl = (($ssl) ? 'https' : $this->scheme) . "://" . $this->hostname . ((isset($this->path) && strlen($this->path)) ? '/' . $this->path : '' );
275 return $this->baseurl;
278 function set_baseurl($url) {
279 $this->baseurl = $url;
280 $this->hostname = basename($url);
283 function get_hostname() {
284 return $this->hostname;
287 function set_hostname($h) {
288 $this->hostname = $h;
291 function set_path($p) {
292 $this->path = trim(trim($p),'/');
295 function get_path() {
299 function set_pager_total($n) {
300 $this->pager['total'] = intval($n);
303 function set_pager_itemspage($n) {
304 $this->pager['itemspage'] = intval($n);
305 $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
309 function init_pagehead() {
310 $tpl = load_view_file("view/head.tpl");
311 $this->page['htmlhead'] = replace_macros($tpl,array(
312 '$baseurl' => $this->get_baseurl() . '/'
316 function set_curl_code($code) {
317 $this->curl_code = $code;
320 function get_curl_code() {
321 return $this->curl_code;
324 function set_curl_headers($headers) {
325 $this->curl_headers = $headers;
328 function get_curl_headers() {
329 return $this->curl_headers;
335 // retrieve the App structure
336 // useful in functions which require it but don't get it passed to them
338 if(! function_exists('get_app')) {
345 // Multi-purpose function to check variable state.
346 // Usage: x($var) or $x($array,'key')
347 // returns false if variable/key is not set
348 // if variable is set, returns 1 if has 'non-zero' value, otherwise returns 0.
349 // e.g. x('') or x(0) returns 0;
351 if(! function_exists('x')) {
352 function x($s,$k = NULL) {
354 if((is_array($s)) && (array_key_exists($k,$s))) {
372 // called from db initialisation if db is dead.
374 if(! function_exists('system_unavailable')) {
375 function system_unavailable() {
376 include('system_unavailable.php');
380 // Primarily involved with database upgrade, but also sets the
381 // base url for use in cmdline programs which don't have
382 // $_SERVER variables, and synchronising the state of installed plugins.
385 if(! function_exists('check_config')) {
386 function check_config(&$a) {
388 load_config('system');
390 $build = get_config('system','build');
392 $build = set_config('system','build',BUILD_ID);
394 $url = get_config('system','url');
396 $url = set_config('system','url',$a->get_baseurl());
398 if($build != BUILD_ID) {
399 $stored = intval($build);
400 $current = intval(BUILD_ID);
401 if(($stored < $current) && file_exists('update.php')) {
402 // We're reporting a different version than what is currently installed.
403 // Run any existing update scripts to bring the database up to current.
405 require_once('update.php');
406 for($x = $stored; $x < $current; $x ++) {
407 if(function_exists('update_' . $x)) {
408 $func = 'update_' . $x;
412 set_config('system','build', BUILD_ID);
418 * Synchronise plugins:
420 * $a->config['system']['addon'] contains a comma-separated list of names
421 * of plugins/addons which are used on this system.
422 * Go through the database list of already installed addons, and if we have
423 * an entry, but it isn't in the config list, call the uninstall procedure
424 * and mark it uninstalled in the database (for now we'll remove it).
425 * Then go through the config list and if we have a plugin that isn't installed,
426 * call the install procedure and add it to the database.
430 $r = q("SELECT * FROM `addon` WHERE `installed` = 1");
434 $plugins = get_config('system','addon');
435 $plugins_arr = array();
438 $plugins_arr = explode(',',str_replace(' ', '',$plugins));
440 $installed_arr = array();
441 foreach($installed as $i) {
442 if(! in_array($i['name'],$plugins_arr)) {
443 logger("Addons: uninstalling " . $i['name']);
444 q("DELETE FROM `addon` WHERE `id` = %d LIMIT 1",
448 @include_once('addon/' . $i['name'] . '/' . $i['name'] . '.php');
449 if(function_exists($i['name'] . '_uninstall')) {
450 $func = $i['name'] . '_uninstall';
455 $installed_arr[] = $i['name'];
458 if(count($plugins_arr)) {
459 foreach($plugins_arr as $p) {
460 if(! in_array($p,$installed_arr)) {
461 logger("Addons: installing " . $p);
462 @include_once('addon/' . $p . '/' . $p . '.php');
463 if(function_exists($p . '_install')) {
464 $func = $p . '_install';
466 $r = q("INSERT INTO `addon` (`name`, `installed`) VALUES ( '%s', 1 ) ",
478 // This is our template processor.
479 // $s is the string requiring macro substitution.
480 // $r is an array of key value pairs (search => replace)
481 // returns substituted string.
482 // WARNING: this is pretty basic, and doesn't properly handle search strings that are substrings of each other.
483 // For instance if 'test' => "foo" and 'testing' => "bar", testing could become either bar or fooing,
484 // depending on the order in which they were declared in the array.
486 if(! function_exists('replace_macros')) {
487 function replace_macros($s,$r) {
492 if(is_array($r) && count($r)) {
493 foreach ($r as $k => $v ) {
498 return str_replace($search,$replace,$s);
502 // load string translation table for alternate language
504 if(! function_exists('load_translation_table')) {
505 function load_translation_table($lang) {
508 if(file_exists("view/$lang/strings.php"))
509 include("view/$lang/strings.php");
512 // translate string if translation exists
514 if(! function_exists('t')) {
519 if(x($a->strings,$s))
520 return $a->strings[$s];
524 // curl wrapper. If binary flag is true, return binary
527 if(! function_exists('fetch_url')) {
528 function fetch_url($url,$binary = false, &$redirects = 0) {
532 $ch = curl_init($url);
533 if(($redirects > 8) || (! $ch))
536 curl_setopt($ch, CURLOPT_HEADER, true);
537 curl_setopt($ch, CURLOPT_RETURNTRANSFER,true);
540 $curl_time = intval(get_config('system','curl_timeout'));
541 curl_setopt($ch, CURLOPT_TIMEOUT, (($curl_time !== false) ? $curl_time : 60));
543 // by default we will allow self-signed certs
544 // but you can override this
546 $check_cert = get_config('system','verifyssl');
547 curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, (($check_cert) ? true : false));
549 $prx = get_config('system','proxy');
551 curl_setopt($ch, CURLOPT_HTTPPROXYTUNNEL, 1);
552 curl_setopt($ch, CURLOPT_PROXY, $prx);
553 $prxusr = get_config('system','proxyuser');
555 curl_setopt($ch, CURLOPT_PROXYUSERPWD, $prxusr);
558 curl_setopt($ch, CURLOPT_BINARYTRANSFER,1);
560 $a->set_curl_code(0);
562 // don't let curl abort the entire application
563 // if it throws any errors.
565 $s = @curl_exec($ch);
567 $http_code = intval(curl_getinfo($ch, CURLINFO_HTTP_CODE));
568 $header = substr($s,0,strpos($s,"\r\n\r\n"));
569 if(stristr($header,'100') && (strlen($header) < 30)) {
570 // 100 Continue has two headers, get the real one
571 $s = substr($s,strlen($header)+4);
572 $header = substr($s,0,strpos($s,"\r\n\r\n"));
574 if($http_code == 301 || $http_code == 302 || $http_code == 303) {
576 preg_match('/(Location:|URI:)(.*?)\n/', $header, $matches);
577 $url = trim(array_pop($matches));
578 $url_parsed = parse_url($url);
579 if (isset($url_parsed)) {
581 return fetch_url($url,$binary,$redirects);
584 $a->set_curl_code($http_code);
585 $body = substr($s,strlen($header)+4);
586 $a->set_curl_headers($header);
592 // post request to $url. $params is an array of post variables.
594 if(! function_exists('post_url')) {
595 function post_url($url,$params, $headers = null, &$redirects = 0) {
597 $ch = curl_init($url);
598 if(($redirects > 8) || (! $ch))
601 curl_setopt($ch, CURLOPT_HEADER, true);
602 curl_setopt($ch, CURLOPT_RETURNTRANSFER,true);
603 curl_setopt($ch, CURLOPT_POST,1);
604 curl_setopt($ch, CURLOPT_POSTFIELDS,$params);
606 $curl_time = intval(get_config('system','curl_timeout'));
607 curl_setopt($ch, CURLOPT_TIMEOUT, (($curl_time !== false) ? $curl_time : 60));
609 if(is_array($headers))
610 curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
612 $check_cert = get_config('system','verifyssl');
613 curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, (($check_cert) ? true : false));
614 $prx = get_config('system','proxy');
616 curl_setopt($ch, CURLOPT_HTTPPROXYTUNNEL, 1);
617 curl_setopt($ch, CURLOPT_PROXY, $prx);
618 $prxusr = get_config('system','proxyuser');
620 curl_setopt($ch, CURLOPT_PROXYUSERPWD, $prxusr);
623 $a->set_curl_code(0);
625 // don't let curl abort the entire application
626 // if it throws any errors.
628 $s = @curl_exec($ch);
630 $http_code = intval(curl_getinfo($ch, CURLINFO_HTTP_CODE));
631 $header = substr($s,0,strpos($s,"\r\n\r\n"));
632 if(stristr($header,'100') && (strlen($header) < 30)) {
633 // 100 Continue has two headers, get the real one
634 $s = substr($s,strlen($header)+4);
635 $header = substr($s,0,strpos($s,"\r\n\r\n"));
637 if($http_code == 301 || $http_code == 302 || $http_code == 303) {
639 preg_match('/(Location:|URI:)(.*?)\n/', $header, $matches);
640 $url = trim(array_pop($matches));
641 $url_parsed = parse_url($url);
642 if (isset($url_parsed)) {
644 return post_url($url,$binary,$headers,$redirects);
647 $a->set_curl_code($http_code);
648 $body = substr($s,strlen($header)+4);
649 $a->set_curl_headers($header);
655 // random hash, 64 chars
657 if(! function_exists('random_string')) {
658 function random_string() {
659 return(hash('sha256',uniqid(rand(),true)));
663 * This is our primary input filter.
665 * The high bit hack only involved some old IE browser, forget which (IE5/Mac?)
666 * that had an XSS attack vector due to stripping the high-bit on an 8-bit character
667 * after cleansing, and angle chars with the high bit set could get through as markup.
669 * This is now disabled because it was interfering with some legitimate unicode sequences
670 * and hopefully there aren't a lot of those browsers left.
672 * Use this on any text input where angle chars are not valid or permitted
673 * They will be replaced with safer brackets. This may be filtered further
674 * if these are not allowed either.
678 if(! function_exists('notags')) {
679 function notags($string) {
681 return(str_replace(array("<",">"), array('[',']'), $string));
683 // High-bit filter no longer used
684 // return(str_replace(array("<",">","\xBA","\xBC","\xBE"), array('[',']','','',''), $string));
687 // use this on "body" or "content" input where angle chars shouldn't be removed,
688 // and allow them to be safely displayed.
690 if(! function_exists('escape_tags')) {
691 function escape_tags($string) {
693 return(htmlspecialchars($string));
696 // wrapper for adding a login box. If $register == true provide a registration
697 // link. This will most always depend on the value of $a->config['register_policy'].
698 // returns the complete html for inserting into the page
700 if(! function_exists('login')) {
701 function login($register = false) {
703 $register_html = (($register) ? load_view_file("view/register-link.tpl") : "");
705 $noid = get_config('system','no_openid');
707 $classname = 'no-openid';
708 $namelabel = t('Nickname or Email address: ');
709 $passlabel = t('Password: ');
713 $classname = 'openid';
714 $namelabel = t('Nickname/Email/OpenID: ');
715 $passlabel = t("Password \x28if not OpenID\x29: ");
718 $lostpass = t('Forgot your password?');
719 $lostlink = t('Password Reset');
721 if(x($_SESSION,'authenticated')) {
722 $tpl = load_view_file("view/logout.tpl");
725 $tpl = load_view_file("view/login.tpl");
729 $o = replace_macros($tpl,array(
730 '$register_html' => $register_html,
731 '$classname' => $classname,
732 '$namelabel' => $namelabel,
733 '$passlabel' => $passlabel,
735 '$lostpass' => $lostpass,
736 '$lostlink' => $lostlink
742 // generate a string that's random, but usually pronounceable.
743 // used to generate initial passwords
745 if(! function_exists('autoname')) {
746 function autoname($len) {
748 $vowels = array('a','a','ai','au','e','e','e','ee','ea','i','ie','o','ou','u');
749 if(mt_rand(0,5) == 4)
767 's','sc','sh','sm','sp','st',
775 $midcons = array('ck','ct','gn','ld','lf','lm','lt','mb','mm', 'mn','mp',
776 'nd','ng','nk','nt','rn','rp','rt');
778 $noend = array('bl', 'br', 'cl','cr','dr','fl','fr','gl','gr',
779 'kh', 'kl','kr','mn','pl','pr','rh','tr','qu','wh');
781 $start = mt_rand(0,2);
789 for ($x = 0; $x < $len; $x ++) {
790 $r = mt_rand(0,count($table) - 1);
793 if($table == $vowels)
794 $table = array_merge($cons,$midcons);
800 $word = substr($word,0,$len);
802 foreach($noend as $noe) {
803 if((strlen($word) > 2) && (substr($word,-2) == $noe)) {
804 $word = substr($word,0,-1);
808 if(substr($word,-1) == 'q')
809 $word = substr($word,0,-1);
813 // Used to end the current process, after saving session state.
815 if(! function_exists('killme')) {
817 session_write_close();
821 // redirect to another URL and terminate this process.
823 if(! function_exists('goaway')) {
824 function goaway($s) {
825 header("Location: $s");
829 // Generic XML return
830 // Outputs a basic dfrn XML status structure to STDOUT, with a <status> variable
831 // of $st and an optional text <message> of $message and terminates the current process.
833 if(! function_exists('xml_status')) {
834 function xml_status($st, $message = '') {
836 $xml_message = ((strlen($message)) ? "\t<message>" . xmlify($message) . "</message>\r\n" : '');
839 logger('xml_status returning non_zero: ' . $st . " message=" . $message);
841 header( "Content-type: text/xml" );
842 echo '<?xml version="1.0" encoding="UTF-8"?>'."\r\n";
843 echo "<result>\r\n\t<status>$st</status>\r\n$xml_message</result>\r\n";
847 // Returns the uid of locally logged in user or false.
849 if(! function_exists('local_user')) {
850 function local_user() {
851 if((x($_SESSION,'authenticated')) && (x($_SESSION,'uid')))
852 return intval($_SESSION['uid']);
856 // Returns contact id of authenticated site visitor or false
858 if(! function_exists('remote_user')) {
859 function remote_user() {
860 if((x($_SESSION,'authenticated')) && (x($_SESSION,'visitor_id')))
861 return intval($_SESSION['visitor_id']);
865 // contents of $s are displayed prominently on the page the next time
866 // a page is loaded. Usually used for errors or alerts.
868 if(! function_exists('notice')) {
869 function notice($s) {
872 $_SESSION['sysmsg'] .= $s;
875 // wrapper around config to limit the text length of an incoming message
877 if(! function_exists('get_max_import_size')) {
878 function get_max_import_size() {
880 return ((x($a->config,'max_import_size')) ? $a->config['max_import_size'] : 0 );
884 // escape text ($str) for XML transport
885 // returns escaped text.
887 if(! function_exists('xmlify')) {
888 function xmlify($str) {
891 for($x = 0; $x < strlen($str); $x ++) {
922 $buffer = trim($buffer);
927 // pass xml escaped text ($s), returns unescaped text
929 if(! function_exists('unxmlify')) {
930 function unxmlify($s) {
931 $ret = str_replace('&','&', $s);
932 $ret = str_replace(array('<','>','"','''),array('<','>','"',"'"),$ret);
936 // convenience wrapper, reverse the operation "bin2hex"
938 if(! function_exists('hex2bin')) {
939 function hex2bin($s) {
940 return(pack("H*",$s));
943 // Automatic pagination.
944 // To use, get the count of total items.
945 // Then call $a->set_pager_total($number_items);
946 // Optionally call $a->set_pager_itemspage($n) to the number of items to display on each page
947 // Then call paginate($a) after the end of the display loop to insert the pager block on the page
948 // (assuming there are enough items to paginate).
949 // When using with SQL, the setting LIMIT %d, %d => $a->pager['start'],$a->pager['itemspage']
950 // will limit the results to the correct items for the current page.
951 // The actual page handling is then accomplished at the application layer.
953 if(! function_exists('paginate')) {
954 function paginate(&$a) {
956 $stripped = preg_replace('/(&page=[0-9]*)/','',$a->query_string);
957 $stripped = str_replace('q=','',$stripped);
958 $stripped = trim($stripped,'/');
959 $url = $a->get_baseurl() . '/' . $stripped;
962 if($a->pager['total'] > $a->pager['itemspage']) {
963 $o .= '<div class="pager">';
964 if($a->pager['page'] != 1)
965 $o .= '<span class="pager_prev">'."<a href=\"$url".'&page='.($a->pager['page'] - 1).'">' . t('prev') . '</a></span> ';
967 $o .= "<span class=\"pager_first\"><a href=\"$url"."&page=1\">" . t('first') . "</a></span> ";
969 $numpages = $a->pager['total'] / $a->pager['itemspage'];
972 $numstop = $numpages;
975 $numstart = (($pagenum > 7) ? ($pagenum - 7) : 1);
976 $numstop = (($pagenum > ($numpages - 7)) ? $numpages : ($numstart + 14));
979 for($i = $numstart; $i <= $numstop; $i++){
980 if($i == $a->pager['page'])
981 $o .= '<span class="pager_current">'.(($i < 10) ? ' '.$i : $i);
983 $o .= "<span class=\"pager_n\"><a href=\"$url"."&page=$i\">".(($i < 10) ? ' '.$i : $i)."</a>";
987 if(($a->pager['total'] % $a->pager['itemspage']) != 0) {
988 if($i == $a->pager['page'])
989 $o .= '<span class="pager_current">'.(($i < 10) ? ' '.$i : $i);
991 $o .= "<span class=\"pager_n\"><a href=\"$url"."&page=$i\">".(($i < 10) ? ' '.$i : $i)."</a>";
995 $lastpage = (($numpages > intval($numpages)) ? intval($numpages)+1 : $numpages);
996 $o .= "<span class=\"pager_last\"><a href=\"$url"."&page=$lastpage\">" . t('last') . "</a></span> ";
998 if(($a->pager['total'] - ($a->pager['itemspage'] * $a->pager['page'])) > 0)
999 $o .= '<span class="pager_next">'."<a href=\"$url"."&page=".($a->pager['page'] + 1).'">' . t('next') . '</a></span>';
1000 $o .= '</div>'."\r\n";
1005 // Turn user/group ACLs stored as angle bracketed text into arrays
1007 if(! function_exists('expand_acl')) {
1008 function expand_acl($s) {
1009 // turn string array of angle-bracketed elements into numeric array
1010 // e.g. "<1><2><3>" => array(1,2,3);
1014 $t = str_replace('<','',$s);
1015 $a = explode('>',$t);
1016 foreach($a as $aa) {
1018 $ret[] = intval($aa);
1024 // Used to wrap ACL elements in angle brackets for storage
1026 if(! function_exists('sanitise_acl')) {
1027 function sanitise_acl(&$item) {
1029 $item = '<' . intval(notags(trim($item))) . '>';
1034 // retrieve a "family" of config variables from database to cached storage
1036 if(! function_exists('load_config')) {
1037 function load_config($family) {
1039 $r = q("SELECT * FROM `config` WHERE `cat` = '%s'",
1043 foreach($r as $rr) {
1045 $a->config[$family][$k] = $rr['v'];
1050 // get a particular config variable given the family name
1051 // and key. Returns false if not set.
1052 // $instore is only used by the set_config function
1053 // to determine if the key already exists in the DB
1054 // If a key is found in the DB but doesn't exist in
1055 // local config cache, pull it into the cache so we don't have
1056 // to hit the DB again for this item.
1058 if(! function_exists('get_config')) {
1059 function get_config($family, $key, $instore = false) {
1064 if(isset($a->config[$family][$key])) {
1065 if($a->config[$family][$key] === '!<unset>!') {
1068 return $a->config[$family][$key];
1071 $ret = q("SELECT `v` FROM `config` WHERE `cat` = '%s' AND `k` = '%s' LIMIT 1",
1076 $a->config[$family][$key] = $ret[0]['v'];
1077 return $ret[0]['v'];
1080 $a->config[$family][$key] = '!<unset>!';
1085 // Store a config value ($value) in the category ($family)
1086 // under the key ($key)
1087 // Return the value, or false if the database update failed
1089 if(! function_exists('set_config')) {
1090 function set_config($family,$key,$value) {
1093 $a->config[$family][$key] = $value;
1095 if(get_config($family,$key,true) === false) {
1096 $ret = q("INSERT INTO `config` ( `cat`, `k`, `v` ) VALUES ( '%s', '%s', '%s' ) ",
1105 $ret = q("UPDATE `config` SET `v` = '%s' WHERE `cat` = '%s' AND `k` = '%s' LIMIT 1",
1116 if(! function_exists('get_pconfig')) {
1117 function get_pconfig($uid,$family, $key, $instore = false) {
1122 if(isset($a->config[$uid][$family][$key])) {
1123 if($a->config[$uid][$family][$key] === '!<unset>!') {
1126 return $a->config[$uid][$family][$key];
1129 $ret = q("SELECT `v` FROM `pconfig` WHERE `uid` = %d AND `cat` = '%s' AND `k` = '%s' LIMIT 1",
1135 $a->config[$uid][$family][$key] = $ret[0]['v'];
1136 return $ret[0]['v'];
1139 $a->config[$uid][$family][$key] = '!<unset>!';
1144 if(! function_exists('del_config')) {
1145 function del_config($family,$key) {
1148 if(x($a->config[$family],$key))
1149 unset($a->config[$family][$key]);
1150 $ret = q("DELETE FROM `config` WHERE `cat` = '%s' AND `k` = '%s' LIMIT 1",
1159 // Same as above functions except these are for personal config storage and take an
1160 // additional $uid argument.
1162 if(! function_exists('set_pconfig')) {
1163 function set_pconfig($uid,$family,$key,$value) {
1166 $a->config[$uid][$family][$key] = $value;
1168 if(get_pconfig($uid,$family,$key,true) === false) {
1169 $ret = q("INSERT INTO `pconfig` ( `uid`, `cat`, `k`, `v` ) VALUES ( %d, '%s', '%s', '%s' ) ",
1179 $ret = q("UPDATE `pconfig` SET `v` = '%s' WHERE `uid` = %d AND `cat` = '%s' AND `k` = '%s' LIMIT 1",
1190 if(! function_exists('del_pconfig')) {
1191 function del_pconfig($uid,$family,$key) {
1194 if(x($a->config[$uid][$family],$key))
1195 unset($a->config[$uid][$family][$key]);
1196 $ret = q("DELETE FROM `pconfig` WHERE `uid` = %d AND `cat` = '%s' AND `k` = '%s' LIMIT 1",
1205 // convert an XML document to a normalised, case-corrected array
1206 // used by webfinger
1208 if(! function_exists('convert_xml_element_to_array')) {
1209 function convert_xml_element_to_array($xml_element, &$recursion_depth=0) {
1211 // If we're getting too deep, bail out
1212 if ($recursion_depth > 512) {
1216 if (!is_string($xml_element) &&
1217 !is_array($xml_element) &&
1218 (get_class($xml_element) == 'SimpleXMLElement')) {
1219 $xml_element_copy = $xml_element;
1220 $xml_element = get_object_vars($xml_element);
1223 if (is_array($xml_element)) {
1224 $result_array = array();
1225 if (count($xml_element) <= 0) {
1226 return (trim(strval($xml_element_copy)));
1229 foreach($xml_element as $key=>$value) {
1232 $result_array[strtolower($key)] =
1233 convert_xml_element_to_array($value, $recursion_depth);
1236 if ($recursion_depth == 0) {
1237 $temp_array = $result_array;
1238 $result_array = array(
1239 strtolower($xml_element_copy->getName()) => $temp_array,
1243 return ($result_array);
1246 return (trim(strval($xml_element)));
1250 // Given an email style address, perform webfinger lookup and
1251 // return the resulting DFRN profile URL, or if no DFRN profile URL
1252 // is located, returns an OStatus subscription template (prefixed
1253 // with the string 'stat:' to identify it as on OStatus template).
1254 // If this isn't an email style address just return $s.
1255 // Return an empty string if email-style addresses but webfinger fails,
1256 // or if the resultant personal XRD doesn't contain a supported
1257 // subscription/friend-request attribute.
1259 if(! function_exists('webfinger_dfrn')) {
1260 function webfinger_dfrn($s) {
1261 if(! strstr($s,'@')) {
1264 $links = webfinger($s);
1265 logger('webfinger_dfrn: ' . $s . ':' . print_r($links,true), LOGGER_DATA);
1267 foreach($links as $link)
1268 if($link['@attributes']['rel'] === NAMESPACE_DFRN)
1269 return $link['@attributes']['href'];
1270 foreach($links as $link)
1271 if($link['@attributes']['rel'] === NAMESPACE_OSTATUSSUB)
1272 return 'stat:' . $link['@attributes']['template'];
1277 // Given an email style address, perform webfinger lookup and
1278 // return the array of link attributes from the personal XRD file.
1279 // On error/failure return an empty array.
1282 if(! function_exists('webfinger')) {
1283 function webfinger($s) {
1285 if(strstr($s,'@')) {
1286 $host = substr($s,strpos($s,'@') + 1);
1289 $tpl = fetch_lrdd_template($host);
1290 logger('webfinger: lrdd template: ' . $tpl);
1292 $pxrd = str_replace('{uri}', urlencode('acct:'.$s), $tpl);
1293 $links = fetch_xrd_links($pxrd);
1294 if(! count($links)) {
1295 // try with double slashes
1296 $pxrd = str_replace('{uri}', urlencode('acct://'.$s), $tpl);
1297 $links = fetch_xrd_links($pxrd);
1305 if(! function_exists('lrdd')) {
1306 function lrdd($uri) {
1310 if(strstr($uri,'@')) {
1311 return(webfinger($uri));
1314 $html = fetch_url($uri);
1315 $headers = $a->get_curl_headers();
1316 $lines = explode("\n",$headers);
1318 foreach($lines as $line) {
1319 // TODO alter the following regex to support multiple relations (space separated)
1320 if((stristr($line,'link:')) && preg_match('/<([^>].*)>.*rel\=[\'\"]lrdd[\'\"]/',$line,$matches)) {
1321 $link = $matches[1];
1326 if(! isset($link)) {
1327 // parse the page of the supplied URL looking for rel links
1329 require_once('library/HTML5/Parser.php');
1330 $dom = HTML5_Parser::parse($html);
1333 $items = $dom->getElementsByTagName('link');
1335 foreach($items as $item) {
1336 $x = $item->getAttribute('rel');
1338 $link = $item->getAttribute('href');
1346 return(fetch_xrd_links($link));
1353 // Given a host name, locate the LRDD template from that
1354 // host. Returns the LRDD template or an empty string on
1357 if(! function_exists('fetch_lrdd_template')) {
1358 function fetch_lrdd_template($host) {
1360 $url = 'http://' . $host . '/.well-known/host-meta' ;
1361 $links = fetch_xrd_links($url);
1363 foreach($links as $link)
1364 if($link['@attributes']['rel'] && $link['@attributes']['rel'] === 'lrdd')
1365 $tpl = $link['@attributes']['template'];
1367 if(! strpos($tpl,'{uri}'))
1372 // Given a URL, retrieve the page as an XRD document.
1373 // Return an array of links.
1374 // on error/failure return empty array.
1376 if(! function_exists('fetch_xrd_links')) {
1377 function fetch_xrd_links($url) {
1380 $xml = fetch_url($url);
1384 logger('fetch_xrd_links: ' . $xml, LOGGER_DATA);
1385 $h = simplexml_load_string($xml);
1386 $arr = convert_xml_element_to_array($h);
1388 if(isset($arr['xrd']['link'])) {
1389 $link = $arr['xrd']['link'];
1390 if(! isset($link[0]))
1391 $links = array($link);
1399 // Convert an ACL array to a storable string
1401 if(! function_exists('perms2str')) {
1402 function perms2str($p) {
1405 if(is_array($tmp)) {
1406 array_walk($tmp,'sanitise_acl');
1407 $ret = implode('',$tmp);
1412 // generate a guaranteed unique (for this domain) item ID for ATOM
1413 // safe from birthday paradox
1415 if(! function_exists('item_new_uri')) {
1416 function item_new_uri($hostname,$uid) {
1420 $hash = random_string();
1422 $uri = "urn:X-dfrn:" . $hostname . ':' . $uid . ':' . $hash;
1424 $r = q("SELECT `id` FROM `item` WHERE `uri` = '%s' LIMIT 1",
1428 } while($dups == true);
1432 // Generate a guaranteed unique photo ID.
1433 // safe from birthday paradox
1435 if(! function_exists('photo_new_resource')) {
1436 function photo_new_resource() {
1440 $resource = hash('md5',uniqid(mt_rand(),true));
1441 $r = q("SELECT `id` FROM `photo` WHERE `resource-id` = '%s' LIMIT 1",
1446 } while($found == true);
1451 // Take a URL from the wild, prepend http:// if necessary
1452 // and check DNS to see if it's real
1453 // return true if it's OK, false if something is wrong with it
1455 if(! function_exists('validate_url')) {
1456 function validate_url(&$url) {
1457 if(substr($url,0,4) != 'http')
1458 $url = 'http://' . $url;
1459 $h = parse_url($url);
1461 if(($h) && (checkdnsrr($h['host'], 'ANY'))) {
1467 // checks that email is an actual resolvable internet address
1469 if(! function_exists('validate_email')) {
1470 function validate_email($addr) {
1472 if(! strpos($addr,'@'))
1474 $h = substr($addr,strpos($addr,'@') + 1);
1476 if(($h) && (checkdnsrr($h, 'ANY'))) {
1482 // Check $url against our list of allowed sites,
1483 // wildcards allowed. If allowed_sites is unset return true;
1484 // If url is allowed, return true.
1485 // otherwise, return false
1487 if(! function_exists('allowed_url')) {
1488 function allowed_url($url) {
1490 $h = parse_url($url);
1496 $str_allowed = get_config('system','allowed_sites');
1502 $host = strtolower($h['host']);
1504 // always allow our own site
1506 if($host == strtolower($_SERVER['SERVER_NAME']))
1509 $fnmatch = function_exists('fnmatch');
1510 $allowed = explode(',',$str_allowed);
1512 if(count($allowed)) {
1513 foreach($allowed as $a) {
1514 $pat = strtolower(trim($a));
1515 if(($fnmatch && fnmatch($pat,$host)) || ($pat == $host)) {
1524 // check if email address is allowed to register here.
1525 // Compare against our list (wildcards allowed).
1526 // Returns false if not allowed, true if allowed or if
1527 // allowed list is not configured.
1529 if(! function_exists('allowed_email')) {
1530 function allowed_email($email) {
1533 $domain = strtolower(substr($email,strpos($email,'@') + 1));
1537 $str_allowed = get_config('system','allowed_email');
1543 $fnmatch = function_exists('fnmatch');
1544 $allowed = explode(',',$str_allowed);
1546 if(count($allowed)) {
1547 foreach($allowed as $a) {
1548 $pat = strtolower(trim($a));
1549 if(($fnmatch && fnmatch($pat,$host)) || ($pat == $host)) {
1558 // Format the like/dislike text for a profile item
1559 // $cnt = number of people who like/dislike the item
1560 // $arr = array of pre-linked names of likers/dislikers
1561 // $type = one of 'like, 'dislike'
1563 // returns formatted text
1565 if(! function_exists('format_like')) {
1566 function format_like($cnt,$arr,$type,$id) {
1569 $o .= $arr[0] . (($type === 'like') ? t(' likes this.') : t(' doesn\'t like this.')) . EOL ;
1571 $o .= '<span class="fakelink" onclick="openClose(\'' . $type . 'list-' . $id . '\');" >'
1572 . $cnt . ' ' . t('people') . '</span> ' . (($type === 'like') ? t('like this.') : t('don\'t like this.')) . EOL ;
1573 $total = count($arr);
1574 if($total >= MAX_LIKERS)
1575 $arr = array_slice($arr, 0, MAX_LIKERS - 1);
1576 if($total < MAX_LIKERS)
1577 $arr[count($arr)-1] = t('and') . ' ' . $arr[count($arr)-1];
1578 $str = implode(', ', $arr);
1579 if($total >= MAX_LIKERS)
1580 $str .= t(', and ') . $total - MAX_LIKERS . t(' other people');
1581 $str .= (($type === 'like') ? t(' like this.') : t(' don\'t like this.'));
1582 $o .= "\t" . '<div id="' . $type . 'list-' . $id . '" style="display: none;" >' . $str . '</div>';
1588 // wrapper to load a view template, checking for alternate
1589 // languages before falling back to the default
1591 if(! function_exists('load_view_file')) {
1592 function load_view_file($s) {
1595 $lang = get_config('system','language');
1598 if(file_exists("$d/$lang/$b"))
1599 return file_get_contents("$d/$lang/$b");
1600 return file_get_contents($s);
1603 // for html,xml parsing - let's say you've got
1604 // an attribute foobar="class1 class2 class3"
1605 // and you want to find out if it contains 'class3'.
1606 // you can't use a normal sub string search because you
1607 // might match 'notclass3' and a regex to do the job is
1608 // possible but a bit complicated.
1609 // pass the attribute string as $attr and the attribute you
1610 // are looking for as $s - returns true if found, otherwise false
1612 if(! function_exists('attribute_contains')) {
1613 function attribute_contains($attr,$s) {
1614 $a = explode(' ', $attr);
1615 if(count($a) && in_array($s,$a))
1620 if(! function_exists('logger')) {
1621 function logger($msg,$level = 0) {
1623 $debugging = get_config('system','debugging');
1624 $loglevel = intval(get_config('system','loglevel'));
1625 $logfile = get_config('system','logfile');
1627 if((! $debugging) || (! $logfile) || ($level > $loglevel))
1630 @file_put_contents($logfile, datetime_convert() . ':' . session_id() . ' ' . $msg . "\n", FILE_APPEND);
1635 if(! function_exists('activity_match')) {
1636 function activity_match($haystack,$needle) {
1637 if(($haystack === $needle) || ((basename($needle) === $haystack) && strstr($needle,NAMESPACE_ACTIVITY_SCHEMA)))
1643 // Pull out all #hashtags and @person tags from $s;
1644 // We also get @person@domain.com - which would make
1645 // the regex quite complicated as tags can also
1646 // end a sentence. So we'll run through our results
1647 // and strip the period from any tags which end with one.
1648 // Returns array of tags found, or empty array.
1651 if(! function_exists('get_tags')) {
1652 function get_tags($s) {
1654 if(preg_match_all('/([@#][^ \x0D\x0A,:?]*)([ \x0D\x0A,:?]|$)/',$s,$match)) {
1655 foreach($match[1] as $match) {
1656 if(strstr($match,"]")) {
1657 // we might be inside a bbcode color tag - leave it alone
1660 if(substr($match,-1,1) === '.')
1661 $ret[] = substr($match,0,-1);
1671 // quick and dirty quoted_printable encoding
1673 if(! function_exists('qp')) {
1675 return str_replace ("%","=",rawurlencode($s));
1679 if(! function_exists('like_puller')) {
1680 function like_puller($a,$item,&$arr,$mode) {
1684 $verb = (($mode === 'like') ? ACTIVITY_LIKE : ACTIVITY_DISLIKE);
1686 if((activity_match($item['verb'],$verb)) && ($item['id'] != $item['parent'])) {
1687 $url = $item['author-link'];
1688 if(($item['network'] === 'dfrn') && (! $item['self']) && ($item['author-link'] == $item['url'])) {
1689 $url = $a->get_baseurl() . '/redir/' . $item['contact-id'];
1690 $sparkle = ' class="sparkle" ';
1692 if(! ((isset($arr[$item['parent'] . '-l'])) && (is_array($arr[$item['parent'] . '-l']))))
1693 $arr[$item['parent'] . '-l'] = array();
1694 if(! isset($arr[$item['parent']]))
1695 $arr[$item['parent']] = 1;
1697 $arr[$item['parent']] ++;
1698 $arr[$item['parent'] . '-l'][] = '<a href="'. $url . '"'. $sparkle .'>' . $item['author-name'] . '</a>';
1703 if(! function_exists('get_mentions')) {
1704 function get_mentions($item) {
1706 if(! strlen($item['tag']))
1709 $arr = explode(',',$item['tag']);
1710 foreach($arr as $x) {
1712 if(preg_match('/@\[url=([^\]]*)\]/',$x,$matches))
1713 $o .= "\t\t" . '<link rel="mentioned" href="' . $matches[1] . '" />' . "\r\n";
1718 if(! function_exists('contact_block')) {
1719 function contact_block() {
1722 if((! is_array($a->profile)) || ($a->profile['hide-friends']))
1724 $r = q("SELECT COUNT(*) AS `total` FROM `contact` WHERE `uid` = %d AND `self` = 0 AND `blocked` = 0 and `pending` = 0",
1725 intval($a->profile['uid'])
1728 $total = intval($r[0]['total']);
1731 $o .= '<h4 class="contact-h4">' . t('No contacts') . '</h4>';
1734 $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 0 AND `blocked` = 0 and `pending` = 0 ORDER BY RAND() LIMIT 24",
1735 intval($a->profile['uid'])
1738 $o .= '<h4 class="contact-h4">' . $total . ' ' . t('Contacts') . '</h4><div id="contact-block">';
1739 foreach($r as $rr) {
1740 $redirect_url = $a->get_baseurl() . '/redir/' . $rr['id'];
1741 if(local_user() && ($rr['uid'] == local_user())
1742 && ($rr['network'] === 'dfrn')) {
1743 $url = $redirect_url;
1744 $sparkle = ' sparkle';
1751 $o .= '<div class="contact-block-div"><a class="contact-block-link' . $sparkle . '" href="' . $url . '" ><img class="contact-block-img' . $sparkle . '" src="' . $rr['micro'] . '" title="' . $rr['name'] . ' [' . $rr['url'] . ']" alt="' . $rr['name'] . '" /></a></div>' . "\r\n";
1753 $o .= '</div><div id="contact-block-end"></div>';
1754 $o .= '<div id="viewcontacts"><a id="viewcontacts-link" href="viewcontacts/' . $a->profile['nickname'] . '">' . t('View Contacts') . '</a></div>';
1761 if(! function_exists('search')) {
1762 function search($s) {
1764 $o = '<div id="search-box">';
1765 $o .= '<form action="' . $a->get_baseurl() . '/search' . '" method="get" >';
1766 $o .= '<input type="text" name="search" id="search-text" value="' . $s .'" />';
1767 $o .= '<input type="submit" name="submit" id="search-submit" value="' . t('Search') . '" />';
1768 $o .= '</form></div>';
1772 if(! function_exists('valid_email')) {
1773 function valid_email($x){
1774 if(preg_match('/^[_a-zA-Z0-9-]+(\.[_a-zA-Z0-9-]+)*@[a-zA-Z0-9-]+(\.[a-zA-Z0-9-]+)+$/',$x))
1780 if(! function_exists('gravatar_img')) {
1781 function gravatar_img($email) {
1783 $opt = 'identicon'; // psuedo-random geometric pattern if not found
1785 $hash = md5(trim(strtolower($email)));
1787 $url = 'http://www.gravatar.com/avatar/' . $hash . '.jpg'
1788 . '?s=' . $size . '&d=' . $opt . '&r=' . $rating;
1790 logger('gravatar: ' . $email . ' ' . $url);
1794 if(! function_exists('aes_decrypt')) {
1795 function aes_decrypt($val,$ky)
1797 $key="\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
1798 for($a=0;$a<strlen($ky);$a++)
1799 $key[$a%16]=chr(ord($key[$a%16]) ^ ord($ky[$a]));
1800 $mode = MCRYPT_MODE_ECB;
1801 $enc = MCRYPT_RIJNDAEL_128;
1802 $dec = @mcrypt_decrypt($enc, $key, $val, $mode, @mcrypt_create_iv( @mcrypt_get_iv_size($enc, $mode), MCRYPT_DEV_URANDOM ) );
1803 return rtrim($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));
1807 if(! function_exists('aes_encrypt')) {
1808 function aes_encrypt($val,$ky)
1810 $key="\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
1811 for($a=0;$a<strlen($ky);$a++)
1812 $key[$a%16]=chr(ord($key[$a%16]) ^ ord($ky[$a]));
1813 $mode=MCRYPT_MODE_ECB;
1814 $enc=MCRYPT_RIJNDAEL_128;
1815 $val=str_pad($val, (16*(floor(strlen($val) / 16)+(strlen($val) % 16==0?2:1))), chr(16-(strlen($val) % 16)));
1816 return mcrypt_encrypt($enc, $key, $val, $mode, mcrypt_create_iv( mcrypt_get_iv_size($enc, $mode), MCRYPT_DEV_URANDOM));
1824 * Replace naked text hyperlink with HTML formatted hyperlink
1828 if(! function_exists('linkify')) {
1829 function linkify($s) {
1830 $s = preg_replace("/(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\.\=\_\~\#\'\%]*)/", ' <a href="$1" >$1</a>', $s);
1840 * Replaces text emoticons with graphical images
1842 * @Parameter: string $s
1847 if(! function_exists('smilies')) {
1848 function smilies($s) {
1852 array( ':-)', ';-)', ':-(', ':(', ':-P', ':-"', ':-x', ':-X', ':-D', '8-|', '8-O'),
1854 '<img src="' . $a->get_baseurl() . '/images/smiley-smile.gif" alt=":-)" />',
1855 '<img src="' . $a->get_baseurl() . '/images/smiley-wink.gif" alt=";-)" />',
1856 '<img src="' . $a->get_baseurl() . '/images/smiley-frown.gif" alt=":-(" />',
1857 '<img src="' . $a->get_baseurl() . '/images/smiley-frown.gif" alt=":(" />',
1858 '<img src="' . $a->get_baseurl() . '/images/smiley-tongue-out.gif" alt=":-P" />',
1859 '<img src="' . $a->get_baseurl() . '/images/smiley-kiss.gif" alt=":-\"" />',
1860 '<img src="' . $a->get_baseurl() . '/images/smiley-kiss.gif" alt=":-x" />',
1861 '<img src="' . $a->get_baseurl() . '/images/smiley-kiss.gif" alt=":-X" />',
1862 '<img src="' . $a->get_baseurl() . '/images/smiley-laughing.gif" alt=":-D" />',
1863 '<img src="' . $a->get_baseurl() . '/images/smiley-surprised.gif" alt="8-|" />',
1864 '<img src="' . $a->get_baseurl() . '/images/smiley-surprised.gif" alt="8-O" />'
1871 * Function : profile_load
1873 * @parameter string $nickname
1874 * @parameter int $profile
1876 * Summary: Loads a profile into the page sidebar.
1877 * The function requires a writeable copy of the main App structure, and the nickname
1878 * of a registered local account.
1880 * If the viewer is an authenticated remote viewer, the profile displayed is the
1881 * one that has been configured for his/her viewing in the Contact manager.
1882 * Passing a non-zero profile ID can also allow a preview of a selected profile
1885 * Profile information is placed in the App structure for later retrieval.
1886 * Honours the owner's chosen theme for display.
1890 if(! function_exists('profile_load')) {
1891 function profile_load(&$a, $nickname, $profile = 0) {
1893 $r = q("SELECT `profile-id` FROM `contact` WHERE `id` = %d LIMIT 1",
1894 intval($_SESSION['visitor_id']));
1896 $profile = $r[0]['profile-id'];
1902 $profile_int = intval($profile);
1903 $r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `user`.* FROM `profile`
1904 LEFT JOIN `user` ON `profile`.`uid` = `user`.`uid`
1905 WHERE `user`.`nickname` = '%s' AND `profile`.`id` = %d LIMIT 1",
1907 intval($profile_int)
1911 $r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `user`.* FROM `profile`
1912 LEFT JOIN `user` ON `profile`.`uid` = `user`.`uid`
1913 WHERE `user`.`nickname` = '%s' AND `profile`.`is-default` = 1 LIMIT 1",
1918 if(($r === false) || (! count($r))) {
1919 notice( t('No profile') . EOL );
1924 $a->profile = $r[0];
1927 $a->page['title'] = $a->profile['name'];
1928 $_SESSION['theme'] = $a->profile['theme'];
1930 if(! (x($a->page,'aside')))
1931 $a->page['aside'] = '';
1933 $a->page['aside'] .= profile_sidebar($a->profile);
1934 $a->page['aside'] .= contact_block();
1942 * Function: profile_sidebar
1944 * Formats a profile for display in the sidebar.
1945 * It is very difficult to templatise the HTML completely
1946 * because of all the conditional logic.
1948 * @parameter: array $profile
1950 * Returns HTML string stuitable for sidebar inclusion
1951 * Exceptions: Returns empty string if passed $profile is wrong type or not populated
1956 if(! function_exists('profile_sidebar')) {
1957 function profile_sidebar($profile) {
1963 if((! is_array($profile)) && (! count($profile)))
1966 $fullname = '<div class="fn">' . $profile['name'] . '</div>';
1970 $photo = '<div id="profile=photo-wrapper"><img class="photo" src="' . $profile['photo'] . '" alt="' . $profile['name'] . '" /></div>';
1972 $connect = (($profile['uid'] != local_user()) ? '<li><a id="dfrn-request-link" href="dfrn_request/' . $profile['nickname'] . '">' . t('Connect') . '</a></li>' : '');
1974 if((x($profile,'address') == 1)
1975 || (x($profile,'locality') == 1)
1976 || (x($profile,'region') == 1)
1977 || (x($profile,'postal-code') == 1)
1978 || (x($profile,'country-name') == 1))
1982 $location .= '<div class="location"><span class="location-label">' . t('Location:') . '</span> <div class="adr">';
1983 $location .= ((x($profile,'address') == 1) ? '<div class="street-address">' . $profile['address'] . '</div>' : '');
1984 $location .= (((x($profile,'locality') == 1) || (x($profile,'region') == 1) || (x($profile,'postal-code') == 1))
1985 ? '<span class="city-state-zip"><span class="locality">' . $profile['locality'] . '</span>'
1986 . ((x($profile['locality']) == 1) ? t(', ') : '')
1987 . '<span class="region">' . $profile['region'] . '</span>'
1988 . ' <span class="postal-code">' . $profile['postal-code'] . '</span></span>' : '');
1989 $location .= ((x($profile,'country-name') == 1) ? ' <span class="country-name">' . $profile['country-name'] . '</span>' : '');
1990 $location .= '</div></div><div class="profile-clear"></div>';
1994 $gender = ((x($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>' : '');
1996 $pubkey = ((x($profile,'pubkey') == 1) ? '<div class="key" style="display:none;">' . $profile['pubkey'] . '</div>' : '');
1998 $marital = ((x($profile,'marital') == 1) ? '<div class="marital"><span class="marital-label"><span class="heart">♥</span> ' . t('Status:') . ' </span><span class="marital-text">' . $profile['marital'] . '</span></div></div><div class="profile-clear"></div>' : '');
2000 $homepage = ((x($profile,'homepage') == 1) ? '<div class="homepage"><span class="homepage-label">' . t('Homepage:') . ' </span><span class="homepage-url">' . linkify($profile['homepage']) . '</span></div></div><div class="profile-clear"></div>' : '');
2002 $tpl = load_view_file('view/profile_vcard.tpl');
2004 $o .= replace_macros($tpl, array(
2005 '$fullname' => $fullname,
2008 '$connect' => $connect,
2009 '$location' => $location,
2010 '$gender' => $gender,
2011 '$pubkey' => $pubkey,
2012 '$marital' => $marital,
2013 '$homepage' => $homepage
2020 if(! function_exists('register_hook')) {
2021 function register_hook($hook,$file,$function) {
2023 $r = q("INSERT INTO `hook` (`hook`, `file`, `function`) VALUES ( '%s', '%s', '%s' ) ",
2031 if(! function_exists('unregister_hook')) {
2032 function unregister_hook($hook,$file,$function) {
2034 $r = q("DELETE FROM `hook` WHERE `hook` = '%s' AND `file` = '%s' AND `function` = '%s' LIMIT 1",
2043 if(! function_exists('load_hooks')) {
2044 function load_hooks() {
2046 $r = q("SELECT * FROM `hook` WHERE 1");
2048 foreach($r as $rr) {
2049 $a->hooks[] = array($rr['hook'], $rr['file'], $rr['function']);
2055 if(! function_exists('call_hooks')) {
2056 function call_hooks($name, $data = null) {
2059 if(count($a->hooks)) {
2060 foreach($a->hooks as $hook) {
2061 if($hook[HOOK_HOOK] === $name) {
2062 @include_once($hook[HOOK_FILE]);
2063 if(function_exists($hook[HOOK_FUNCTION])) {
2064 $func = $hook[HOOK_FUNCTION];