4 use Friendica\Content\Smilies;
5 use Friendica\Core\Config;
6 use Friendica\Core\PConfig;
7 use Friendica\Core\System;
8 use Friendica\Database\DBM;
10 require_once "include/friendica_smarty.php";
11 require_once "include/map.php";
12 require_once "mod/proxy.php";
15 * This is our template processor
17 * @param string|FriendicaSmarty $s the string requiring macro substitution,
18 * or an instance of FriendicaSmarty
19 * @param array $r key value pairs (search => replace)
20 * @return string substituted string
22 function replace_macros($s, $r) {
24 $stamp1 = microtime(true);
28 // pass $baseurl to all templates
29 $r['$baseurl'] = System::baseUrl();
31 $t = $a->template_engine();
33 $output = $t->replaceMacros($s, $r);
34 } catch (Exception $e) {
35 echo "<pre><b>" . __FUNCTION__ . "</b>: " . $e->getMessage() . "</pre>";
39 $a->save_timestamp($stamp1, "rendering");
45 if (!is_callable('intdiv')) {
46 function intdiv($a, $b) {
47 return ($a - $a % $b) / $b;
52 * @brief Generates a pseudo-random string of hexadecimal characters
54 * Only supports pair numbers of output characters.
59 function random_string($size = 64)
61 $bytes = random_bytes(intdiv((int) $size, 2));
63 $return = bin2hex($bytes);
69 * This is our primary input filter.
71 * The high bit hack only involved some old IE browser, forget which (IE5/Mac?)
72 * that had an XSS attack vector due to stripping the high-bit on an 8-bit character
73 * after cleansing, and angle chars with the high bit set could get through as markup.
75 * This is now disabled because it was interfering with some legitimate unicode sequences
76 * and hopefully there aren't a lot of those browsers left.
78 * Use this on any text input where angle chars are not valid or permitted
79 * They will be replaced with safer brackets. This may be filtered further
80 * if these are not allowed either.
82 * @param string $string Input string
83 * @return string Filtered string
85 function notags($string) {
86 return str_replace(array("<", ">"), array('[', ']'), $string);
88 // High-bit filter no longer used
89 // return str_replace(array("<",">","\xBA","\xBC","\xBE"), array('[',']','','',''), $string);
94 * use this on "body" or "content" input where angle chars shouldn't be removed,
95 * and allow them to be safely displayed.
96 * @param string $string
99 function escape_tags($string) {
100 return htmlspecialchars($string, ENT_COMPAT, 'UTF-8', false);
105 * generate a string that's random, but usually pronounceable.
106 * used to generate initial passwords
110 function autoname($len) {
116 $vowels = array('a','a','ai','au','e','e','e','ee','ea','i','ie','o','ou','u');
117 if (mt_rand(0, 5) == 4) {
136 's','sc','sh','sm','sp','st',
144 $midcons = array('ck','ct','gn','ld','lf','lm','lt','mb','mm', 'mn','mp',
145 'nd','ng','nk','nt','rn','rp','rt');
147 $noend = array('bl', 'br', 'cl','cr','dr','fl','fr','gl','gr',
148 'kh', 'kl','kr','mn','pl','pr','rh','tr','qu','wh');
150 $start = mt_rand(0,2);
159 for ($x = 0; $x < $len; $x ++) {
160 $r = mt_rand(0,count($table) - 1);
163 if ($table == $vowels) {
164 $table = array_merge($cons,$midcons);
171 $word = substr($word,0,$len);
173 foreach ($noend as $noe) {
174 if ((strlen($word) > 2) && (substr($word, -2) == $noe)) {
175 $word = substr($word, 0, -1);
179 if (substr($word, -1) == 'q') {
180 $word = substr($word, 0, -1);
187 * escape text ($str) for XML transport
189 * @return string Escaped text.
191 function xmlify($str) {
192 /// @TODO deprecated code found?
195 $len = mb_strlen($str);
196 for ($x = 0; $x < $len; $x ++) {
197 $char = mb_substr($str,$x,1);
227 $buffer = mb_ereg_replace("&", "&", $str);
228 $buffer = mb_ereg_replace("'", "'", $buffer);
229 $buffer = mb_ereg_replace('"', """, $buffer);
230 $buffer = mb_ereg_replace("<", "<", $buffer);
231 $buffer = mb_ereg_replace(">", ">", $buffer);
233 $buffer = htmlspecialchars($str, ENT_QUOTES, "UTF-8");
234 $buffer = trim($buffer);
242 * @param string $s xml escaped text
243 * @return string unescaped text
245 function unxmlify($s) {
246 /// @TODO deprecated code found?
247 // $ret = str_replace('&','&', $s);
248 // $ret = str_replace(array('<','>','"','''),array('<','>','"',"'"),$ret);
249 /*$ret = mb_ereg_replace('&', '&', $s);
250 $ret = mb_ereg_replace(''', "'", $ret);
251 $ret = mb_ereg_replace('"', '"', $ret);
252 $ret = mb_ereg_replace('<', "<", $ret);
253 $ret = mb_ereg_replace('>', ">", $ret);
255 $ret = htmlspecialchars_decode($s, ENT_QUOTES);
261 * @brief Paginator function. Pushes relevant links in a pager array structure.
263 * Links are generated depending on the current page and the total number of items.
264 * Inactive links (like "first" and "prev" on page 1) are given the "disabled" class.
265 * Current page link is given the "active" CSS class
267 * @param App $a App instance
268 * @param int $count [optional] item count (used with minimal pager)
269 * @return Array data for pagination template
271 function paginate_data(App $a, $count = null) {
272 $stripped = preg_replace('/([&?]page=[0-9]*)/', '', $a->query_string);
274 $stripped = str_replace('q=', '', $stripped);
275 $stripped = trim($stripped, '/');
276 $pagenum = $a->pager['page'];
278 if (($a->page_offset != '') && !preg_match('/[?&].offset=/', $stripped)) {
279 $stripped .= '&offset=' . urlencode($a->page_offset);
285 function _l(&$d, $name, $url, $text, $class = '') {
286 if (strpos($url, '?') === false && ($pos = strpos($url, '&')) !== false) {
287 $url = substr($url, 0, $pos) . '?' . substr($url, $pos + 1);
290 $d[$name] = array('url' => $url, 'text' => $text, 'class' => $class);
293 if (!is_null($count)) {
294 // minimal pager (newer / older)
295 $data['class'] = 'pager';
296 _l($data, 'prev', $url . '&page=' . ($a->pager['page'] - 1), t('newer'), 'previous' . ($a->pager['page'] == 1 ? ' disabled' : ''));
297 _l($data, 'next', $url . '&page=' . ($a->pager['page'] + 1), t('older'), 'next' . ($count <= 0 ? ' disabled' : ''));
299 // full pager (first / prev / 1 / 2 / ... / 14 / 15 / next / last)
300 $data['class'] = 'pagination';
301 if ($a->pager['total'] > $a->pager['itemspage']) {
302 _l($data, 'first', $url . '&page=1', t('first'), $a->pager['page'] == 1 ? 'disabled' : '');
303 _l($data, 'prev', $url . '&page=' . ($a->pager['page'] - 1), t('prev'), $a->pager['page'] == 1 ? 'disabled' : '');
305 $numpages = $a->pager['total'] / $a->pager['itemspage'];
308 $numstop = $numpages;
310 // Limit the number of displayed page number buttons.
312 $numstart = (($pagenum > 4) ? ($pagenum - 4) : 1);
313 $numstop = (($pagenum > ($numpages - 7)) ? $numpages : ($numstart + 8));
318 for ($i = $numstart; $i <= $numstop; $i++) {
319 if ($i == $a->pager['page']) {
320 _l($pages, $i, '#', $i, 'current active');
322 _l($pages, $i, $url . '&page='. $i, $i, 'n');
326 if (($a->pager['total'] % $a->pager['itemspage']) != 0) {
327 if ($i == $a->pager['page']) {
328 _l($pages, $i, '#', $i, 'current active');
330 _l($pages, $i, $url . '&page=' . $i, $i, 'n');
334 $data['pages'] = $pages;
336 $lastpage = (($numpages > intval($numpages)) ? intval($numpages)+1 : $numpages);
337 _l($data, 'next', $url . '&page=' . ($a->pager['page'] + 1), t('next'), $a->pager['page'] == $lastpage ? 'disabled' : '');
338 _l($data, 'last', $url . '&page=' . $lastpage, t('last'), $a->pager['page'] == $lastpage ? 'disabled' : '');
347 * Automatic pagination.
349 * To use, get the count of total items.
350 * Then call $a->set_pager_total($number_items);
351 * Optionally call $a->set_pager_itemspage($n) to the number of items to display on each page
352 * Then call paginate($a) after the end of the display loop to insert the pager block on the page
353 * (assuming there are enough items to paginate).
354 * When using with SQL, the setting LIMIT %d, %d => $a->pager['start'],$a->pager['itemspage']
355 * will limit the results to the correct items for the current page.
356 * The actual page handling is then accomplished at the application layer.
358 * @param App $a App instance
359 * @return string html for pagination #FIXME remove html
361 function paginate(App $a) {
363 $data = paginate_data($a);
364 $tpl = get_markup_template("paginate.tpl");
365 return replace_macros($tpl, array("pager" => $data));
372 * @param App $a App instance
374 * @return string html for pagination #FIXME remove html
376 function alt_pager(App $a, $i) {
378 $data = paginate_data($a, $i);
379 $tpl = get_markup_template("paginate.tpl");
380 return replace_macros($tpl, array('pager' => $data));
386 * Loader for infinite scrolling
387 * @return string html for loader
389 function scroll_loader() {
390 $tpl = get_markup_template("scroll_loader.tpl");
391 return replace_macros($tpl, array(
392 'wait' => t('Loading more entries...'),
393 'end' => t('The end')
399 * Turn user/group ACLs stored as angle bracketed text into arrays
404 function expand_acl($s) {
405 // turn string array of angle-bracketed elements into numeric array
406 // e.g. "<1><2><3>" => array(1,2,3);
410 $t = str_replace('<', '', $s);
411 $a = explode('>', $t);
412 foreach ($a as $aa) {
414 $ret[] = intval($aa);
423 * Wrap ACL elements in angle brackets for storage
424 * @param string $item
426 function sanitise_acl(&$item) {
428 $item = '<' . intval(notags(trim($item))) . '>';
436 * Convert an ACL array to a storable string
438 * Normally ACL permissions will be an array.
439 * We'll also allow a comma-separated string.
441 * @param string|array $p
444 function perms2str($p) {
449 $tmp = explode(',',$p);
452 if (is_array($tmp)) {
453 array_walk($tmp, 'sanitise_acl');
454 $ret = implode('', $tmp);
461 * generate a guaranteed unique (for this domain) item ID for ATOM
462 * safe from birthday paradox
464 * @param string $hostname
468 function item_new_uri($hostname, $uid, $guid = "") {
472 $hash = get_guid(32);
478 $uri = "urn:X-dfrn:" . $hostname . ':' . $uid . ':' . $hash;
480 $dups = dba::exists('item', array('uri' => $uri));
481 } while ($dups == true);
488 * Generate a guaranteed unique photo ID.
489 * safe from birthday paradox
493 function photo_new_resource() {
497 $resource = hash('md5',uniqid(mt_rand(),true));
498 $r = q("SELECT `id` FROM `photo` WHERE `resource-id` = '%s' LIMIT 1",
502 if (DBM::is_result($r)) {
505 } while ($found == true);
513 * wrapper to load a view template, checking for alternate
514 * languages before falling back to the default
516 * @global string $lang
518 * @param string $s view name
521 function load_view_file($s) {
523 if (! isset($lang)) {
528 if (file_exists("$d/$lang/$b")) {
529 $stamp1 = microtime(true);
530 $content = file_get_contents("$d/$lang/$b");
531 $a->save_timestamp($stamp1, "file");
535 $theme = current_theme();
537 if (file_exists("$d/theme/$theme/$b")) {
538 $stamp1 = microtime(true);
539 $content = file_get_contents("$d/theme/$theme/$b");
540 $a->save_timestamp($stamp1, "file");
544 $stamp1 = microtime(true);
545 $content = file_get_contents($s);
546 $a->save_timestamp($stamp1, "file");
552 * load a view template, checking for alternate
553 * languages before falling back to the default
555 * @global string $lang
556 * @param string $s view path
559 function get_intltext_template($s) {
564 if ($a->theme['template_engine'] === 'smarty3') {
565 $engine = "/smarty3";
568 if (! isset($lang)) {
572 if (file_exists("view/lang/$lang$engine/$s")) {
573 $stamp1 = microtime(true);
574 $content = file_get_contents("view/lang/$lang$engine/$s");
575 $a->save_timestamp($stamp1, "file");
577 } elseif (file_exists("view/lang/en$engine/$s")) {
578 $stamp1 = microtime(true);
579 $content = file_get_contents("view/lang/en$engine/$s");
580 $a->save_timestamp($stamp1, "file");
583 $stamp1 = microtime(true);
584 $content = file_get_contents("view$engine/$s");
585 $a->save_timestamp($stamp1, "file");
595 * @param string $root
598 function get_markup_template($s, $root = '') {
599 $stamp1 = microtime(true);
602 $t = $a->template_engine();
604 $template = $t->getTemplateFile($s, $root);
605 } catch (Exception $e) {
606 echo "<pre><b>" . __FUNCTION__ . "</b>: " . $e->getMessage() . "</pre>";
610 $a->save_timestamp($stamp1, "file");
619 * @param string $filename
620 * @param string $root
623 function get_template_file($a, $filename, $root = '') {
624 $theme = current_theme();
626 // Make sure $root ends with a slash /
627 if ($root !== '' && substr($root, -1, 1) !== '/') {
631 if (file_exists("{$root}view/theme/$theme/$filename")) {
632 $template_file = "{$root}view/theme/$theme/$filename";
633 } elseif (x($a->theme_info, "extends") && file_exists(sprintf('%sview/theme/%s}/%s', $root, $a->theme_info["extends"], $filename))) {
634 $template_file = sprintf('%sview/theme/%s}/%s', $root, $a->theme_info["extends"], $filename);
635 } elseif (file_exists("{$root}/$filename")) {
636 $template_file = "{$root}/$filename";
638 $template_file = "{$root}view/$filename";
641 return $template_file;
646 * for html,xml parsing - let's say you've got
647 * an attribute foobar="class1 class2 class3"
648 * and you want to find out if it contains 'class3'.
649 * you can't use a normal sub string search because you
650 * might match 'notclass3' and a regex to do the job is
651 * possible but a bit complicated.
652 * pass the attribute string as $attr and the attribute you
653 * are looking for as $s - returns true if found, otherwise false
655 * @param string $attr attribute value
656 * @param string $s string to search
657 * @return boolean True if found, False otherwise
659 function attribute_contains($attr, $s) {
660 $a = explode(' ', $attr);
661 return (count($a) && in_array($s,$a));
665 /* setup int->string log level map */
666 $LOGGER_LEVELS = array();
669 * @brief Logs the given message at the given log level
672 * LOGGER_NORMAL (default)
679 * @global array $LOGGER_LEVELS
683 function logger($msg, $level = 0) {
685 global $LOGGER_LEVELS;
687 // turn off logger in install mode
689 $a->module == 'install'
695 $debugging = Config::get('system','debugging');
696 $logfile = Config::get('system','logfile');
697 $loglevel = intval(Config::get('system','loglevel'));
702 || $level > $loglevel
707 if (count($LOGGER_LEVELS) == 0) {
708 foreach (get_defined_constants() as $k => $v) {
709 if (substr($k, 0, 7) == "LOGGER_") {
710 $LOGGER_LEVELS[$v] = substr($k, 7, 7);
715 $process_id = session_id();
717 if ($process_id == '') {
718 $process_id = get_app()->process_id;
721 $callers = debug_backtrace();
722 $logline = sprintf("%s@%s\t[%s]:%s:%s:%s\t%s\n",
723 datetime_convert('UTC', 'UTC', 'now', 'Y-m-d\TH:i:s\Z'),
725 $LOGGER_LEVELS[$level],
726 basename($callers[0]['file']),
728 $callers[1]['function'],
732 $stamp1 = microtime(true);
733 @file_put_contents($logfile, $logline, FILE_APPEND);
734 $a->save_timestamp($stamp1, "file");
738 * @brief An alternative logger for development.
739 * Works largely as logger() but allows developers
740 * to isolate particular elements they are targetting
741 * personally without background noise
744 * LOGGER_NORMAL (default)
751 * @global array $LOGGER_LEVELS
756 function dlogger($msg, $level = 0) {
759 // turn off logger in install mode
761 $a->module == 'install'
767 $logfile = Config::get('system','dlogfile');
773 if (count($LOGGER_LEVELS) == 0) {
774 foreach (get_defined_constants() as $k => $v) {
775 if (substr($k, 0, 7) == "LOGGER_") {
776 $LOGGER_LEVELS[$v] = substr($k, 7, 7);
781 $process_id = session_id();
783 if ($process_id == '') {
784 $process_id = get_app()->process_id;
787 $callers = debug_backtrace();
788 $logline = sprintf("%s@\t%s:\t%s:\t%s\t%s\t%s\n",
791 basename($callers[0]['file']),
793 $callers[1]['function'],
797 $stamp1 = microtime(true);
798 @file_put_contents($logfile, $logline, FILE_APPEND);
799 $a->save_timestamp($stamp1, "file");
804 * Compare activity uri. Knows about activity namespace.
806 * @param string $haystack
807 * @param string $needle
810 function activity_match($haystack,$needle) {
811 return (($haystack === $needle) || ((basename($needle) === $haystack) && strstr($needle, NAMESPACE_ACTIVITY_SCHEMA)));
816 * @brief Pull out all #hashtags and @person tags from $string.
818 * We also get @person@domain.com - which would make
819 * the regex quite complicated as tags can also
820 * end a sentence. So we'll run through our results
821 * and strip the period from any tags which end with one.
822 * Returns array of tags found, or empty array.
824 * @param string $string Post content
825 * @return array List of tag and person names
827 function get_tags($string) {
830 // Convert hashtag links to hashtags
831 $string = preg_replace('/#\[url\=([^\[\]]*)\](.*?)\[\/url\]/ism', '#$2', $string);
833 // ignore anything in a code block
834 $string = preg_replace('/\[code\](.*?)\[\/code\]/sm', '', $string);
836 // Force line feeds at bbtags
837 $string = str_replace(array('[', ']'), array("\n[", "]\n"), $string);
839 // ignore anything in a bbtag
840 $string = preg_replace('/\[(.*?)\]/sm', '', $string);
842 // Match full names against @tags including the space between first and last
843 // We will look these up afterward to see if they are full names or not recognisable.
845 if (preg_match_all('/(@[^ \x0D\x0A,:?]+ [^ \x0D\x0A@,:?]+)([ \x0D\x0A@,:?]|$)/', $string, $matches)) {
846 foreach ($matches[1] as $match) {
847 if (strstr($match, ']')) {
848 // we might be inside a bbcode color tag - leave it alone
851 if (substr($match, -1, 1) === '.') {
852 $ret[] = substr($match, 0, -1);
859 // Otherwise pull out single word tags. These can be @nickname, @first_last
862 if (preg_match_all('/([!#@][^\^ \x0D\x0A,;:?]+)([ \x0D\x0A,;:?]|$)/', $string, $matches)) {
863 foreach ($matches[1] as $match) {
864 if (strstr($match, ']')) {
865 // we might be inside a bbcode color tag - leave it alone
868 if (substr($match, -1, 1) === '.') {
869 $match = substr($match,0,-1);
871 // ignore strictly numeric tags like #1
872 if ((strpos($match, '#') === 0) && ctype_digit(substr($match, 1))) {
875 // try not to catch url fragments
876 if (strpos($string, $match) && preg_match('/[a-zA-z0-9\/]/', substr($string, strpos($string, $match) - 1, 1))) {
887 * quick and dirty quoted_printable encoding
893 return str_replace("%", "=", rawurlencode($s));
898 * Get html for contact block.
900 * @template contact_block.tpl
901 * @hook contact_block_end (contacts=>array, output=>string)
904 function contact_block() {
908 $shown = PConfig::get($a->profile['uid'], 'system', 'display_friend_count', 24);
913 if (!is_array($a->profile) || $a->profile['hide-friends']) {
916 $r = q("SELECT COUNT(*) AS `total` FROM `contact`
917 WHERE `uid` = %d AND NOT `self` AND NOT `blocked`
918 AND NOT `pending` AND NOT `hidden` AND NOT `archive`
919 AND `network` IN ('%s', '%s', '%s')",
920 intval($a->profile['uid']),
922 dbesc(NETWORK_OSTATUS),
923 dbesc(NETWORK_DIASPORA)
925 if (DBM::is_result($r)) {
926 $total = intval($r[0]['total']);
929 $contacts = t('No contacts');
932 // Splitting the query in two parts makes it much faster
933 $r = q("SELECT `id` FROM `contact`
934 WHERE `uid` = %d AND NOT `self` AND NOT `blocked`
935 AND NOT `pending` AND NOT `hidden` AND NOT `archive`
936 AND `network` IN ('%s', '%s', '%s')
937 ORDER BY RAND() LIMIT %d",
938 intval($a->profile['uid']),
940 dbesc(NETWORK_OSTATUS),
941 dbesc(NETWORK_DIASPORA),
944 if (DBM::is_result($r)) {
946 foreach ($r AS $contact) {
947 $contacts[] = $contact["id"];
949 $r = q("SELECT `id`, `uid`, `addr`, `url`, `name`, `thumb`, `network` FROM `contact` WHERE `id` IN (%s)",
950 dbesc(implode(",", $contacts)));
952 if (DBM::is_result($r)) {
953 $contacts = sprintf(tt('%d Contact','%d Contacts', $total),$total);
955 foreach ($r as $rr) {
956 $micropro[] = micropro($rr,true,'mpfriend');
962 $tpl = get_markup_template('contact_block.tpl');
963 $o = replace_macros($tpl, array(
964 '$contacts' => $contacts,
965 '$nickname' => $a->profile['nickname'],
966 '$viewcontacts' => t('View Contacts'),
967 '$micropro' => $micropro,
970 $arr = array('contacts' => $r, 'output' => $o);
972 call_hooks('contact_block_end', $arr);
979 * @brief Format contacts as picture links or as texxt links
981 * @param array $contact Array with contacts which contains an array with
982 * int 'id' => The ID of the contact
983 * int 'uid' => The user ID of the user who owns this data
984 * string 'name' => The name of the contact
985 * string 'url' => The url to the profile page of the contact
986 * string 'addr' => The webbie of the contact (e.g.) username@friendica.com
987 * string 'network' => The network to which the contact belongs to
988 * string 'thumb' => The contact picture
989 * string 'click' => js code which is performed when clicking on the contact
990 * @param boolean $redirect If true try to use the redir url if it's possible
991 * @param string $class CSS class for the
992 * @param boolean $textmode If true display the contacts as text links
993 * if false display the contacts as picture links
995 * @return string Formatted html
997 function micropro($contact, $redirect = false, $class = '', $textmode = false) {
999 // Use the contact URL if no address is available
1000 if ($contact["addr"] == "") {
1001 $contact["addr"] = $contact["url"];
1004 $url = $contact['url'];
1010 $redirect_url = 'redir/' . $contact['id'];
1011 if (local_user() && ($contact['uid'] == local_user()) && ($contact['network'] === NETWORK_DFRN)) {
1013 $url = $redirect_url;
1014 $sparkle = ' sparkle';
1020 // If there is some js available we don't need the url
1021 if (x($contact, 'click')) {
1025 return replace_macros(get_markup_template(($textmode)?'micropro_txt.tpl':'micropro_img.tpl'),array(
1026 '$click' => (($contact['click']) ? $contact['click'] : ''),
1029 '$photo' => proxy_url($contact['thumb'], false, PROXY_SIZE_THUMB),
1030 '$name' => $contact['name'],
1031 'title' => $contact['name'] . ' [' . $contact['addr'] . ']',
1032 '$parkle' => $sparkle,
1041 * @param string $s search query
1042 * @param string $id html id
1043 * @param string $url search url
1044 * @param boolean $savedsearch show save search button
1046 function search($s, $id = 'search-box', $url = 'search', $save = false, $aside = true) {
1050 '$s' => htmlspecialchars($s),
1052 '$action_url' => $url,
1053 '$search_label' => t('Search'),
1054 '$save_label' => t('Save'),
1055 '$savedsearch' => feature_enabled(local_user(),'savedsearch'),
1056 '$search_hint' => t('@name, !forum, #tags, content'),
1060 $values['$searchoption'] = array(
1065 if (Config::get('system','poco_local_search')) {
1066 $values['$searchoption'][] = t("Forums");
1070 return replace_macros(get_markup_template('searchbox.tpl'), $values);
1074 * Check if $x is a valid email string
1079 function valid_email($x){
1081 /// @TODO Removed because Fabio told me so.
1082 //if (Config::get('system','disable_email_validation'))
1084 return preg_match('/^[_a-zA-Z0-9\-\+]+(\.[_a-zA-Z0-9\-\+]+)*@[a-zA-Z0-9-]+(\.[a-zA-Z0-9-]+)+$/', $x);
1089 * Replace naked text hyperlink with HTML formatted hyperlink
1093 function linkify($s) {
1094 $s = preg_replace("/(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\'\%\$\!\+]*)/", ' <a href="$1" target="_blank">$1</a>', $s);
1095 $s = preg_replace("/\<(.*?)(src|href)=(.*?)\&\;(.*?)\>/ism",'<$1$2=$3&$4>',$s);
1103 * @return array index is present tense verb
1104 value is array containing past tense verb, translation of present, translation of past
1105 * @hook poke_verbs pokes array
1107 function get_poke_verbs() {
1109 // index is present tense verb
1110 // value is array containing past tense verb, translation of present, translation of past
1113 'poke' => array('poked', t('poke'), t('poked')),
1114 'ping' => array('pinged', t('ping'), t('pinged')),
1115 'prod' => array('prodded', t('prod'), t('prodded')),
1116 'slap' => array('slapped', t('slap'), t('slapped')),
1117 'finger' => array('fingered', t('finger'), t('fingered')),
1118 'rebuff' => array('rebuffed', t('rebuff'), t('rebuffed')),
1120 call_hooks('poke_verbs', $arr);
1126 * @return array index is mood, value is translated mood
1127 * @hook mood_verbs moods array
1129 function get_mood_verbs() {
1132 'happy' => t('happy'),
1134 'mellow' => t('mellow'),
1135 'tired' => t('tired'),
1136 'perky' => t('perky'),
1137 'angry' => t('angry'),
1138 'stupefied' => t('stupified'),
1139 'puzzled' => t('puzzled'),
1140 'interested' => t('interested'),
1141 'bitter' => t('bitter'),
1142 'cheerful' => t('cheerful'),
1143 'alive' => t('alive'),
1144 'annoyed' => t('annoyed'),
1145 'anxious' => t('anxious'),
1146 'cranky' => t('cranky'),
1147 'disturbed' => t('disturbed'),
1148 'frustrated' => t('frustrated'),
1149 'motivated' => t('motivated'),
1150 'relaxed' => t('relaxed'),
1151 'surprised' => t('surprised'),
1154 call_hooks('mood_verbs', $arr);
1159 * @brief Translate days and months names.
1161 * @param string $s String with day or month name.
1162 * @return string Translated string.
1164 function day_translate($s) {
1165 $ret = str_replace(array('Monday','Tuesday','Wednesday','Thursday','Friday','Saturday','Sunday'),
1166 array(t('Monday'), t('Tuesday'), t('Wednesday'), t('Thursday'), t('Friday'), t('Saturday'), t('Sunday')),
1169 $ret = str_replace(array('January','February','March','April','May','June','July','August','September','October','November','December'),
1170 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')),
1177 * @brief Translate short days and months names.
1179 * @param string $s String with short day or month name.
1180 * @return string Translated string.
1182 function day_short_translate($s) {
1183 $ret = str_replace(array('Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun'),
1184 array(t('Mon'), t('Tue'), t('Wed'), t('Thu'), t('Fri'), t('Sat'), t('Sund')),
1186 $ret = str_replace(array('Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov','Dec'),
1187 array(t('Jan'), t('Feb'), t('Mar'), t('Apr'), t('May'), ('Jun'), t('Jul'), t('Aug'), t('Sep'), t('Oct'), t('Nov'), t('Dec')),
1196 * @param string $url
1199 function normalise_link($url) {
1200 $ret = str_replace(array('https:', '//www.'), array('http:', '//'), $url);
1201 return rtrim($ret,'/');
1206 * Compare two URLs to see if they are the same, but ignore
1207 * slight but hopefully insignificant differences such as if one
1208 * is https and the other isn't, or if one is www.something and
1209 * the other isn't - and also ignore case differences.
1211 * @param string $a first url
1212 * @param string $b second url
1213 * @return boolean True if the URLs match, otherwise False
1216 function link_compare($a, $b) {
1217 return (strcasecmp(normalise_link($a), normalise_link($b)) === 0);
1222 * @brief Find any non-embedded images in private items and add redir links to them
1225 * @param array &$item The field array of an item row
1227 function redir_private_images($a, &$item)
1230 $cnt = preg_match_all('|\[img\](http[^\[]*?/photo/[a-fA-F0-9]+?(-[0-9]\.[\w]+?)?)\[\/img\]|', $item['body'], $matches, PREG_SET_ORDER);
1232 foreach ($matches as $mtch) {
1233 if (strpos($mtch[1], '/redir') !== false) {
1237 if ((local_user() == $item['uid']) && ($item['private'] != 0) && ($item['contact-id'] != $a->contact['id']) && ($item['network'] == NETWORK_DFRN)) {
1238 $img_url = 'redir?f=1&quiet=1&url=' . urlencode($mtch[1]) . '&conurl=' . urlencode($item['author-link']);
1239 $item['body'] = str_replace($mtch[0], '[img]' . $img_url . '[/img]', $item['body']);
1245 function put_item_in_cache(&$item, $update = false) {
1247 if (($item["rendered-hash"] != hash("md5", $item["body"])) || ($item["rendered-hash"] == "") ||
1248 ($item["rendered-html"] == "") || Config::get("system", "ignore_cache")) {
1250 // The function "redir_private_images" changes the body.
1251 // I'm not sure if we should store it permanently, so we save the old value.
1252 $body = $item["body"];
1255 redir_private_images($a, $item);
1257 $item["rendered-html"] = prepare_text($item["body"]);
1258 $item["rendered-hash"] = hash("md5", $item["body"]);
1259 $item["body"] = $body;
1261 if ($update && ($item["id"] > 0)) {
1262 dba::update('item', array('rendered-html' => $item["rendered-html"], 'rendered-hash' => $item["rendered-hash"]),
1263 array('id' => $item["id"]), false);
1269 * @brief Given an item array, convert the body element from bbcode to html and add smilie icons.
1270 * If attach is true, also add icons for item attachments.
1272 * @param array $item
1273 * @param boolean $attach
1274 * @return string item body html
1275 * @hook prepare_body_init item array before any work
1276 * @hook prepare_body ('item'=>item array, 'html'=>body string) after first bbcode to html
1277 * @hook prepare_body_final ('item'=>item array, 'html'=>body string) after attach icons and blockquote special case handling (spoiler, author)
1279 function prepare_body(&$item, $attach = false, $preview = false) {
1282 call_hooks('prepare_body_init', $item);
1284 $searchpath = System::baseUrl() . "/search?tag=";
1287 $hashtags = array();
1288 $mentions = array();
1290 // In order to provide theme developers more possibilities, event items
1291 // are treated differently.
1292 if ($item['object-type'] === ACTIVITY_OBJ_EVENT && isset($item['event-id'])) {
1293 $ev = format_event_item($item);
1297 if (!Config::get('system','suppress_tags')) {
1298 $taglist = dba::p("SELECT `type`, `term`, `url` FROM `term` WHERE `otype` = ? AND `oid` = ? AND `type` IN (?, ?) ORDER BY `tid`",
1299 intval(TERM_OBJ_POST), intval($item['id']), intval(TERM_HASHTAG), intval(TERM_MENTION));
1301 while ($tag = dba::fetch($taglist)) {
1302 if ($tag["url"] == "") {
1303 $tag["url"] = $searchpath.strtolower($tag["term"]);
1306 $orig_tag = $tag["url"];
1308 $tag["url"] = best_link_url($item, $sp, $tag["url"]);
1310 if ($tag["type"] == TERM_HASHTAG) {
1311 if ($orig_tag != $tag["url"]) {
1312 $item['body'] = str_replace($orig_tag, $tag["url"], $item['body']);
1314 $hashtags[] = "#<a href=\"".$tag["url"]."\" target=\"_blank\">".$tag["term"]."</a>";
1316 } elseif ($tag["type"] == TERM_MENTION) {
1317 $mentions[] = "@<a href=\"".$tag["url"]."\" target=\"_blank\">".$tag["term"]."</a>";
1320 $tags[] = $prefix."<a href=\"".$tag["url"]."\" target=\"_blank\">".$tag["term"]."</a>";
1322 dba::close($taglist);
1325 $item['tags'] = $tags;
1326 $item['hashtags'] = $hashtags;
1327 $item['mentions'] = $mentions;
1329 // Update the cached values if there is no "zrl=..." on the links.
1330 $update = (!local_user() && !remote_user() && ($item["uid"] == 0));
1332 // Or update it if the current viewer is the intented viewer.
1333 if (($item["uid"] == local_user()) && ($item["uid"] != 0)) {
1337 put_item_in_cache($item, $update);
1338 $s = $item["rendered-html"];
1340 $prep_arr = array('item' => $item, 'html' => $s, 'preview' => $preview);
1341 call_hooks('prepare_body', $prep_arr);
1342 $s = $prep_arr['html'];
1345 // Replace the blockquotes with quotes that are used in mails.
1346 $mailquote = '<blockquote type="cite" class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">';
1347 $s = str_replace(array('<blockquote>', '<blockquote class="spoiler">', '<blockquote class="author">'), array($mailquote, $mailquote, $mailquote), $s);
1353 $arr = explode('[/attach],', $item['attach']);
1355 foreach ($arr as $r) {
1358 $cnt = preg_match_all('|\[attach\]href=\"(.*?)\" length=\"(.*?)\" type=\"(.*?)\" title=\"(.*?)\"|',$r ,$matches, PREG_SET_ORDER);
1360 foreach ($matches as $mtch) {
1363 if ((local_user() == $item['uid']) && ($item['contact-id'] != $a->contact['id']) && ($item['network'] == NETWORK_DFRN)) {
1364 $the_url = 'redir/' . $item['contact-id'] . '?f=1&url=' . $mtch[1];
1366 $the_url = $mtch[1];
1369 if (strpos($mime, 'video') !== false) {
1372 $a->page['htmlhead'] .= replace_macros(get_markup_template('videos_head.tpl'), array(
1373 '$baseurl' => System::baseUrl(),
1375 $a->page['end'] .= replace_macros(get_markup_template('videos_end.tpl'), array(
1376 '$baseurl' => System::baseUrl(),
1380 $id = end(explode('/', $the_url));
1381 $as .= replace_macros(get_markup_template('video_top.tpl'), array(
1384 'title' => t('View Video'),
1391 $filetype = strtolower(substr($mime, 0, strpos($mime, '/')));
1393 $filesubtype = strtolower(substr($mime, strpos($mime, '/') + 1));
1394 $filesubtype = str_replace('.', '-', $filesubtype);
1397 $filesubtype = 'unkn';
1400 $title = ((strlen(trim($mtch[4]))) ? escape_tags(trim($mtch[4])) : escape_tags($mtch[1]));
1401 $title .= ' ' . $mtch[2] . ' ' . t('bytes');
1403 $icon = '<div class="attachtype icon s22 type-' . $filetype . ' subtype-' . $filesubtype . '"></div>';
1404 $as .= '<a href="' . strip_tags($the_url) . '" title="' . $title . '" class="attachlink" target="_blank" >' . $icon . '</a>';
1410 $s .= '<div class="body-attach">'.$as.'<div class="clear"></div></div>';
1414 if (strpos($s, '<div class="map">') !== false && x($item, 'coord')) {
1415 $x = generate_map(trim($item['coord']));
1417 $s = preg_replace('/\<div class\=\"map\"\>/', '$0' . $x, $s);
1422 // Look for spoiler.
1423 $spoilersearch = '<blockquote class="spoiler">';
1425 // Remove line breaks before the spoiler.
1426 while ((strpos($s, "\n" . $spoilersearch) !== false)) {
1427 $s = str_replace("\n" . $spoilersearch, $spoilersearch, $s);
1429 while ((strpos($s, "<br />" . $spoilersearch) !== false)) {
1430 $s = str_replace("<br />" . $spoilersearch, $spoilersearch, $s);
1433 while ((strpos($s, $spoilersearch) !== false)) {
1434 $pos = strpos($s, $spoilersearch);
1435 $rnd = random_string(8);
1436 $spoilerreplace = '<br /> <span id="spoiler-wrap-' . $rnd . '" class="spoiler-wrap fakelink" onclick="openClose(\'spoiler-' . $rnd . '\');">' . sprintf(t('Click to open/close')) . '</span>'.
1437 '<blockquote class="spoiler" id="spoiler-' . $rnd . '" style="display: none;">';
1438 $s = substr($s, 0, $pos) . $spoilerreplace . substr($s, $pos + strlen($spoilersearch));
1441 // Look for quote with author.
1442 $authorsearch = '<blockquote class="author">';
1444 while ((strpos($s, $authorsearch) !== false)) {
1445 $pos = strpos($s, $authorsearch);
1446 $rnd = random_string(8);
1447 $authorreplace = '<br /> <span id="author-wrap-' . $rnd . '" class="author-wrap fakelink" onclick="openClose(\'author-' . $rnd . '\');">' . sprintf(t('Click to open/close')) . '</span>'.
1448 '<blockquote class="author" id="author-' . $rnd . '" style="display: block;">';
1449 $s = substr($s, 0, $pos) . $authorreplace . substr($s, $pos + strlen($authorsearch));
1452 // Replace friendica image url size with theme preference.
1453 if (x($a->theme_info, 'item_image_size')){
1454 $ps = $a->theme_info['item_image_size'];
1455 $s = preg_replace('|(<img[^>]+src="[^"]+/photo/[0-9a-f]+)-[0-9]|', "$1-" . $ps, $s);
1458 $prep_arr = array('item' => $item, 'html' => $s);
1459 call_hooks('prepare_body_final', $prep_arr);
1461 return $prep_arr['html'];
1465 * @brief Given a text string, convert from bbcode to html and add smilie icons.
1467 * @param string $text String with bbcode.
1468 * @return string Formattet HTML.
1470 function prepare_text($text) {
1472 require_once 'include/bbcode.php';
1474 if (stristr($text, '[nosmile]')) {
1477 $s = Smilies::replace(bbcode($text));
1484 * return array with details for categories and folders for an item
1486 * @param array $item
1490 * [ // categories array
1492 * 'name': 'category name',
1493 * 'removeurl': 'url to remove this category',
1494 * 'first': 'is the first in this array? true/false',
1495 * 'last': 'is the last in this array? true/false',
1501 * 'name': 'folder name',
1502 * 'removeurl': 'url to remove this folder',
1503 * 'first': 'is the first in this array? true/false',
1504 * 'last': 'is the last in this array? true/false',
1510 function get_cats_and_terms($item) {
1513 $categories = array();
1518 $cnt = preg_match_all('/<(.*?)>/', $item['file'], $matches, PREG_SET_ORDER);
1520 foreach ($matches as $mtch) {
1521 $categories[] = array(
1522 'name' => xmlify(file_tag_decode($mtch[1])),
1524 'removeurl' => ((local_user() == $item['uid'])?'filerm/' . $item['id'] . '?f=&cat=' . xmlify(file_tag_decode($mtch[1])):""),
1532 if (count($categories)) {
1533 $categories[count($categories) - 1]['last'] = true;
1536 if (local_user() == $item['uid']) {
1539 $cnt = preg_match_all('/\[(.*?)\]/', $item['file'], $matches, PREG_SET_ORDER);
1541 foreach ($matches as $mtch) {
1543 'name' => xmlify(file_tag_decode($mtch[1])),
1545 'removeurl' => ((local_user() == $item['uid']) ? 'filerm/' . $item['id'] . '?f=&term=' . xmlify(file_tag_decode($mtch[1])) : ""),
1554 if (count($folders)) {
1555 $folders[count($folders) - 1]['last'] = true;
1558 return array($categories, $folders);
1563 * get private link for item
1564 * @param array $item
1565 * @return boolean|array False if item has not plink, otherwise array('href'=>plink url, 'title'=>translated title)
1567 function get_plink($item) {
1570 if ($a->user['nickname'] != "") {
1572 //'href' => "display/" . $a->user['nickname'] . "/" . $item['id'],
1573 'href' => "display/" . $item['guid'],
1574 'orig' => "display/" . $item['guid'],
1575 'title' => t('View on separate page'),
1576 'orig_title' => t('view on separate page'),
1579 if (x($item, 'plink')) {
1580 $ret["href"] = $a->remove_baseurl($item['plink']);
1581 $ret["title"] = t('link to source');
1584 } elseif (x($item, 'plink') && ($item['private'] != 1)) {
1586 'href' => $item['plink'],
1587 'orig' => $item['plink'],
1588 'title' => t('link to source'),
1599 * replace html amp entity with amp char
1603 function unamp($s) {
1604 return str_replace('&', '&', $s);
1609 * return number of bytes in size (K, M, G)
1610 * @param string $size_str
1613 function return_bytes($size_str) {
1614 switch (substr ($size_str, -1)) {
1615 case 'M': case 'm': return (int)$size_str * 1048576;
1616 case 'K': case 'k': return (int)$size_str * 1024;
1617 case 'G': case 'g': return (int)$size_str * 1073741824;
1618 default: return $size_str;
1626 function generate_user_guid() {
1629 $guid = get_guid(32);
1630 $x = q("SELECT `uid` FROM `user` WHERE `guid` = '%s' LIMIT 1",
1633 if (! DBM::is_result($x)) {
1636 } while ($found == true);
1644 * @param boolean $strip_padding
1647 function base64url_encode($s, $strip_padding = false) {
1649 $s = strtr(base64_encode($s), '+/', '-_');
1651 if ($strip_padding) {
1652 $s = str_replace('=','',$s);
1662 function base64url_decode($s) {
1665 logger('base64url_decode: illegal input: ' . print_r(debug_backtrace(), true));
1670 * // Placeholder for new rev of salmon which strips base64 padding.
1671 * // PHP base64_decode handles the un-padded input without requiring this step
1672 * // Uncomment if you find you need it.
1675 * if (! strpos($s,'=')) {
1685 return base64_decode(strtr($s,'-_','+/'));
1690 * return div element with class 'clear'
1694 function cleardiv() {
1695 return '<div class="clear"></div>';
1699 function bb_translate_video($s) {
1702 $r = preg_match_all("/\[video\](.*?)\[\/video\]/ism",$s,$matches,PREG_SET_ORDER);
1704 foreach ($matches as $mtch) {
1705 if ((stristr($mtch[1],'youtube')) || (stristr($mtch[1],'youtu.be')))
1706 $s = str_replace($mtch[0],'[youtube]' . $mtch[1] . '[/youtube]',$s);
1707 elseif (stristr($mtch[1],'vimeo'))
1708 $s = str_replace($mtch[0],'[vimeo]' . $mtch[1] . '[/vimeo]',$s);
1714 function html2bb_video($s) {
1716 $s = preg_replace('#<object[^>]+>(.*?)https?://www.youtube.com/((?:v|cp)/[A-Za-z0-9\-_=]+)(.*?)</object>#ism',
1717 '[youtube]$2[/youtube]', $s);
1719 $s = preg_replace('#<iframe[^>](.*?)https?://www.youtube.com/embed/([A-Za-z0-9\-_=]+)(.*?)</iframe>#ism',
1720 '[youtube]$2[/youtube]', $s);
1722 $s = preg_replace('#<iframe[^>](.*?)https?://player.vimeo.com/video/([0-9]+)(.*?)</iframe>#ism',
1723 '[vimeo]$2[/vimeo]', $s);
1729 * apply xmlify() to all values of array $val, recursively
1733 function array_xmlify($val){
1734 if (is_bool($val)) {
1735 return $val?"true":"false";
1736 } elseif (is_array($val)) {
1737 return array_map('array_xmlify', $val);
1739 return xmlify((string) $val);
1744 * transorm link href and img src from relative to absolute
1746 * @param string $text
1747 * @param string $base base url
1750 function reltoabs($text, $base) {
1755 $base = rtrim($base,'/');
1757 $base2 = $base . "/";
1760 $pattern = "/<a([^>]*) href=\"(?!http|https|\/)([^\"]*)\"/";
1761 $replace = "<a\${1} href=\"" . $base2 . "\${2}\"";
1762 $text = preg_replace($pattern, $replace, $text);
1764 $pattern = "/<a([^>]*) href=\"(?!http|https)([^\"]*)\"/";
1765 $replace = "<a\${1} href=\"" . $base . "\${2}\"";
1766 $text = preg_replace($pattern, $replace, $text);
1769 $pattern = "/<img([^>]*) src=\"(?!http|https|\/)([^\"]*)\"/";
1770 $replace = "<img\${1} src=\"" . $base2 . "\${2}\"";
1771 $text = preg_replace($pattern, $replace, $text);
1773 $pattern = "/<img([^>]*) src=\"(?!http|https)([^\"]*)\"/";
1774 $replace = "<img\${1} src=\"" . $base . "\${2}\"";
1775 $text = preg_replace($pattern, $replace, $text);
1783 * get translated item type
1785 * @param array $itme
1788 function item_post_type($item) {
1789 if (intval($item['event-id'])) {
1791 } elseif (strlen($item['resource-id'])) {
1793 } elseif (strlen($item['verb']) && $item['verb'] !== ACTIVITY_POST) {
1794 return t('activity');
1795 } elseif ($item['id'] != $item['parent']) {
1796 return t('comment');
1802 // post categories and "save to file" use the same item.file table for storage.
1803 // We will differentiate the different uses by wrapping categories in angle brackets
1804 // and save to file categories in square brackets.
1805 // To do this we need to escape these characters if they appear in our tag.
1807 function file_tag_encode($s) {
1808 return str_replace(array('<','>','[',']'),array('%3c','%3e','%5b','%5d'),$s);
1811 function file_tag_decode($s) {
1812 return str_replace(array('%3c', '%3e', '%5b', '%5d'), array('<', '>', '[', ']'), $s);
1815 function file_tag_file_query($table,$s,$type = 'file') {
1817 if ($type == 'file') {
1818 $str = preg_quote('[' . str_replace('%', '%%', file_tag_encode($s)) . ']');
1820 $str = preg_quote('<' . str_replace('%', '%%', file_tag_encode($s)) . '>');
1822 return " AND " . (($table) ? dbesc($table) . '.' : '') . "file regexp '" . dbesc($str) . "' ";
1825 // ex. given music,video return <music><video> or [music][video]
1826 function file_tag_list_to_file($list,$type = 'file') {
1828 if (strlen($list)) {
1829 $list_array = explode(",",$list);
1830 if ($type == 'file') {
1838 foreach ($list_array as $item) {
1839 if (strlen($item)) {
1840 $tag_list .= $lbracket . file_tag_encode(trim($item)) . $rbracket;
1847 // ex. given <music><video>[friends], return music,video or friends
1848 function file_tag_file_to_list($file,$type = 'file') {
1851 if ($type == 'file') {
1852 $cnt = preg_match_all('/\[(.*?)\]/', $file, $matches, PREG_SET_ORDER);
1854 $cnt = preg_match_all('/<(.*?)>/', $file, $matches, PREG_SET_ORDER);
1857 foreach ($matches as $mtch) {
1858 if (strlen($list)) {
1861 $list .= file_tag_decode($mtch[1]);
1868 function file_tag_update_pconfig($uid, $file_old, $file_new, $type = 'file') {
1869 // $file_old - categories previously associated with an item
1870 // $file_new - new list of categories for an item
1872 if (!intval($uid)) {
1875 if ($file_old == $file_new) {
1879 $saved = PConfig::get($uid, 'system', 'filetags');
1880 if (strlen($saved)) {
1881 if ($type == 'file') {
1884 $termtype = TERM_FILE;
1888 $termtype = TERM_CATEGORY;
1891 $filetags_updated = $saved;
1893 // check for new tags to be added as filetags in pconfig
1894 $new_tags = array();
1895 $check_new_tags = explode(",",file_tag_file_to_list($file_new,$type));
1897 foreach ($check_new_tags as $tag) {
1898 if (! stristr($saved,$lbracket . file_tag_encode($tag) . $rbracket))
1902 $filetags_updated .= file_tag_list_to_file(implode(",",$new_tags),$type);
1904 // check for deleted tags to be removed from filetags in pconfig
1905 $deleted_tags = array();
1906 $check_deleted_tags = explode(",",file_tag_file_to_list($file_old,$type));
1908 foreach ($check_deleted_tags as $tag) {
1909 if (! stristr($file_new,$lbracket . file_tag_encode($tag) . $rbracket))
1910 $deleted_tags[] = $tag;
1913 foreach ($deleted_tags as $key => $tag) {
1914 $r = q("SELECT `oid` FROM `term` WHERE `term` = '%s' AND `otype` = %d AND `type` = %d AND `uid` = %d",
1916 intval(TERM_OBJ_POST),
1920 if (DBM::is_result($r)) {
1921 unset($deleted_tags[$key]);
1923 $filetags_updated = str_replace($lbracket . file_tag_encode($tag) . $rbracket,'',$filetags_updated);
1927 if ($saved != $filetags_updated) {
1928 PConfig::set($uid, 'system', 'filetags', $filetags_updated);
1931 } elseif (strlen($file_new)) {
1932 PConfig::set($uid, 'system', 'filetags', $file_new);
1937 function file_tag_save_file($uid, $item, $file) {
1938 require_once "include/files.php";
1943 $r = q("SELECT `file` FROM `item` WHERE `id` = %d AND `uid` = %d LIMIT 1",
1947 if (DBM::is_result($r)) {
1948 if (! stristr($r[0]['file'],'[' . file_tag_encode($file) . ']')) {
1949 q("UPDATE `item` SET `file` = '%s' WHERE `id` = %d AND `uid` = %d",
1950 dbesc($r[0]['file'] . '[' . file_tag_encode($file) . ']'),
1956 create_files_from_item($item);
1958 $saved = PConfig::get($uid, 'system', 'filetags');
1959 if (!strlen($saved) || !stristr($saved, '[' . file_tag_encode($file) . ']')) {
1960 PConfig::set($uid, 'system', 'filetags', $saved . '[' . file_tag_encode($file) . ']');
1962 info(t('Item filed'));
1967 function file_tag_unsave_file($uid, $item, $file, $cat = false) {
1968 require_once "include/files.php";
1975 $pattern = '<' . file_tag_encode($file) . '>' ;
1976 $termtype = TERM_CATEGORY;
1978 $pattern = '[' . file_tag_encode($file) . ']' ;
1979 $termtype = TERM_FILE;
1983 $r = q("SELECT `file` FROM `item` WHERE `id` = %d AND `uid` = %d LIMIT 1",
1987 if (! DBM::is_result($r)) {
1991 q("UPDATE `item` SET `file` = '%s' WHERE `id` = %d AND `uid` = %d",
1992 dbesc(str_replace($pattern,'',$r[0]['file'])),
1997 create_files_from_item($item);
1999 $r = q("SELECT `oid` FROM `term` WHERE `term` = '%s' AND `otype` = %d AND `type` = %d AND `uid` = %d",
2001 intval(TERM_OBJ_POST),
2005 if (!DBM::is_result($r)) {
2006 $saved = PConfig::get($uid, 'system', 'filetags');
2007 PConfig::set($uid, 'system', 'filetags', str_replace($pattern, '', $saved));
2013 function normalise_openid($s) {
2014 return trim(str_replace(array('http://', 'https://'), array('', ''), $s), '/');
2018 function undo_post_tagging($s) {
2020 $cnt = preg_match_all('/([!#@])\[url=(.*?)\](.*?)\[\/url\]/ism', $s, $matches, PREG_SET_ORDER);
2022 foreach ($matches as $mtch) {
2023 $s = str_replace($mtch[0], $mtch[1] . $mtch[3],$s);
2029 function protect_sprintf($s) {
2030 return str_replace('%', '%%', $s);
2034 function is_a_date_arg($s) {
2038 if ($i <= $y + 1 && strpos($s, '-') == 4) {
2039 $m = intval(substr($s,5));
2040 if ($m > 0 && $m <= 12)
2048 * remove intentation from a text
2050 function deindent($text, $chr = "[\t ]", $count = NULL) {
2051 $lines = explode("\n", $text);
2052 if (is_null($count)) {
2055 while ($k < count($lines) && strlen($lines[$k]) == 0) {
2058 preg_match("|^" . $chr . "*|", $lines[$k], $m);
2059 $count = strlen($m[0]);
2061 for ($k = 0; $k < count($lines); $k++) {
2062 $lines[$k] = preg_replace("|^" . $chr . "{" . $count . "}|", "", $lines[$k]);
2065 return implode("\n", $lines);
2068 function formatBytes($bytes, $precision = 2) {
2069 $units = array('B', 'KB', 'MB', 'GB', 'TB');
2071 $bytes = max($bytes, 0);
2072 $pow = floor(($bytes ? log($bytes) : 0) / log(1024));
2073 $pow = min($pow, count($units) - 1);
2075 $bytes /= pow(1024, $pow);
2077 return round($bytes, $precision) . ' ' . $units[$pow];
2081 * @brief translate and format the networkname of a contact
2083 * @param string $network
2084 * Networkname of the contact (e.g. dfrn, rss and so on)
2089 function format_network_name($network, $url = 0) {
2090 if ($network != "") {
2091 require_once 'include/contact_selectors.php';
2093 $network_name = '<a href="'.$url.'">'.network_to_name($network, $url)."</a>";
2095 $network_name = network_to_name($network);
2098 return $network_name;
2104 * @brief Syntax based code highlighting for popular languages.
2105 * @param string $s Code block
2106 * @param string $lang Programming language
2107 * @return string Formated html
2109 function text_highlight($s, $lang) {
2110 if ($lang === 'js') {
2111 $lang = 'javascript';
2114 // @TODO: Replace Text_Highlighter_Renderer_Html by scrivo/highlight.php
2116 // Autoload the library to make constants available
2117 class_exists('Text_Highlighter_Renderer_Html');
2120 'numbers' => HL_NUMBERS_LI,
2125 $s = trim(html_entity_decode($s, ENT_COMPAT));
2126 $s = str_replace(' ', "\t", $s);
2129 * The highlighter library insists on an opening php tag for php code blocks. If
2130 * it isn't present, nothing is highlighted. So we're going to see if it's present.
2131 * If not, we'll add it, and then quietly remove it after we get the processed output back.
2133 if ($lang === 'php' && strpos($s, '<?php') !== 0) {
2134 $s = '<?php' . "\n" . $s;
2138 $renderer = new Text_Highlighter_Renderer_Html($options);
2139 $hl = Text_Highlighter::factory($lang);
2140 $hl->setRenderer($renderer);
2141 $o = $hl->highlight($s);
2142 $o = str_replace("\n", '', $o);
2145 $b = substr($o, 0, strpos($o, '<li>'));
2146 $e = substr($o, strpos($o, '</li>'));
2150 return '<code>' . $o . '</code>';