3 * @file include/text.php
7 use Friendica\Content\ContactSelector;
8 use Friendica\Content\Feature;
9 use Friendica\Content\Smilies;
10 use Friendica\Content\Text\BBCode;
11 use Friendica\Core\Addon;
12 use Friendica\Core\Config;
13 use Friendica\Core\L10n;
14 use Friendica\Core\PConfig;
15 use Friendica\Core\System;
16 use Friendica\Database\DBM;
17 use Friendica\Model\Event;
18 use Friendica\Model\Item;
19 use Friendica\Model\Profile;
20 use Friendica\Render\FriendicaSmarty;
21 use Friendica\Util\DateTimeFormat;
22 use Friendica\Util\Map;
24 require_once "mod/proxy.php";
25 require_once "include/conversation.php";
28 * This is our template processor
30 * @param string|FriendicaSmarty $s the string requiring macro substitution,
31 * or an instance of FriendicaSmarty
32 * @param array $r key value pairs (search => replace)
33 * @return string substituted string
35 function replace_macros($s, $r) {
37 $stamp1 = microtime(true);
41 // pass $baseurl to all templates
42 $r['$baseurl'] = System::baseUrl();
44 $t = $a->template_engine();
46 $output = $t->replaceMacros($s, $r);
47 } catch (Exception $e) {
48 echo "<pre><b>" . __FUNCTION__ . "</b>: " . $e->getMessage() . "</pre>";
52 $a->save_timestamp($stamp1, "rendering");
58 * @brief Generates a pseudo-random string of hexadecimal characters
63 function random_string($size = 64)
65 $byte_size = ceil($size / 2);
67 $bytes = random_bytes($byte_size);
69 $return = substr(bin2hex($bytes), 0, $size);
75 * This is our primary input filter.
77 * The high bit hack only involved some old IE browser, forget which (IE5/Mac?)
78 * that had an XSS attack vector due to stripping the high-bit on an 8-bit character
79 * after cleansing, and angle chars with the high bit set could get through as markup.
81 * This is now disabled because it was interfering with some legitimate unicode sequences
82 * and hopefully there aren't a lot of those browsers left.
84 * Use this on any text input where angle chars are not valid or permitted
85 * They will be replaced with safer brackets. This may be filtered further
86 * if these are not allowed either.
88 * @param string $string Input string
89 * @return string Filtered string
91 function notags($string) {
92 return str_replace(["<", ">"], ['[', ']'], $string);
94 // High-bit filter no longer used
95 // return str_replace(array("<",">","\xBA","\xBC","\xBE"), array('[',']','','',''), $string);
100 * use this on "body" or "content" input where angle chars shouldn't be removed,
101 * and allow them to be safely displayed.
102 * @param string $string
105 function escape_tags($string) {
106 return htmlspecialchars($string, ENT_COMPAT, 'UTF-8', false);
111 * generate a string that's random, but usually pronounceable.
112 * used to generate initial passwords
116 function autoname($len) {
122 $vowels = ['a','a','ai','au','e','e','e','ee','ea','i','ie','o','ou','u'];
123 if (mt_rand(0, 5) == 4) {
142 's','sc','sh','sm','sp','st',
150 $midcons = ['ck','ct','gn','ld','lf','lm','lt','mb','mm', 'mn','mp',
151 'nd','ng','nk','nt','rn','rp','rt'];
153 $noend = ['bl', 'br', 'cl','cr','dr','fl','fr','gl','gr',
154 'kh', 'kl','kr','mn','pl','pr','rh','tr','qu','wh','q'];
156 $start = mt_rand(0,2);
165 for ($x = 0; $x < $len; $x ++) {
166 $r = mt_rand(0,count($table) - 1);
169 if ($table == $vowels) {
170 $table = array_merge($cons,$midcons);
177 $word = substr($word,0,$len);
179 foreach ($noend as $noe) {
180 $noelen = strlen($noe);
181 if ((strlen($word) > $noelen) && (substr($word, -$noelen) == $noe)) {
182 $word = autoname($len);
192 * escape text ($str) for XML transport
194 * @return string Escaped text.
196 function xmlify($str) {
197 /// @TODO deprecated code found?
200 $len = mb_strlen($str);
201 for ($x = 0; $x < $len; $x ++) {
202 $char = mb_substr($str,$x,1);
232 $buffer = mb_ereg_replace("&", "&", $str);
233 $buffer = mb_ereg_replace("'", "'", $buffer);
234 $buffer = mb_ereg_replace('"', """, $buffer);
235 $buffer = mb_ereg_replace("<", "<", $buffer);
236 $buffer = mb_ereg_replace(">", ">", $buffer);
238 $buffer = htmlspecialchars($str, ENT_QUOTES, "UTF-8");
239 $buffer = trim($buffer);
247 * @param string $s xml escaped text
248 * @return string unescaped text
250 function unxmlify($s) {
251 /// @TODO deprecated code found?
252 // $ret = str_replace('&','&', $s);
253 // $ret = str_replace(array('<','>','"','''),array('<','>','"',"'"),$ret);
254 /*$ret = mb_ereg_replace('&', '&', $s);
255 $ret = mb_ereg_replace(''', "'", $ret);
256 $ret = mb_ereg_replace('"', '"', $ret);
257 $ret = mb_ereg_replace('<', "<", $ret);
258 $ret = mb_ereg_replace('>', ">", $ret);
260 $ret = htmlspecialchars_decode($s, ENT_QUOTES);
266 * @brief Paginator function. Pushes relevant links in a pager array structure.
268 * Links are generated depending on the current page and the total number of items.
269 * Inactive links (like "first" and "prev" on page 1) are given the "disabled" class.
270 * Current page link is given the "active" CSS class
272 * @param App $a App instance
273 * @param int $count [optional] item count (used with minimal pager)
274 * @return Array data for pagination template
276 function paginate_data(App $a, $count = null) {
277 $stripped = preg_replace('/([&?]page=[0-9]*)/', '', $a->query_string);
279 $stripped = str_replace('q=', '', $stripped);
280 $stripped = trim($stripped, '/');
281 $pagenum = $a->pager['page'];
283 if (($a->page_offset != '') && !preg_match('/[?&].offset=/', $stripped)) {
284 $stripped .= '&offset=' . urlencode($a->page_offset);
290 function _l(&$d, $name, $url, $text, $class = '') {
291 if (strpos($url, '?') === false && ($pos = strpos($url, '&')) !== false) {
292 $url = substr($url, 0, $pos) . '?' . substr($url, $pos + 1);
295 $d[$name] = ['url' => $url, 'text' => $text, 'class' => $class];
298 if (!is_null($count)) {
299 // minimal pager (newer / older)
300 $data['class'] = 'pager';
301 _l($data, 'prev', $url . '&page=' . ($a->pager['page'] - 1), L10n::t('newer'), 'previous' . ($a->pager['page'] == 1 ? ' disabled' : ''));
302 _l($data, 'next', $url . '&page=' . ($a->pager['page'] + 1), L10n::t('older'), 'next' . ($count <= 0 ? ' disabled' : ''));
304 // full pager (first / prev / 1 / 2 / ... / 14 / 15 / next / last)
305 $data['class'] = 'pagination';
306 if ($a->pager['total'] > $a->pager['itemspage']) {
307 _l($data, 'first', $url . '&page=1', L10n::t('first'), $a->pager['page'] == 1 ? 'disabled' : '');
308 _l($data, 'prev', $url . '&page=' . ($a->pager['page'] - 1), L10n::t('prev'), $a->pager['page'] == 1 ? 'disabled' : '');
310 $numpages = $a->pager['total'] / $a->pager['itemspage'];
313 $numstop = $numpages;
315 // Limit the number of displayed page number buttons.
317 $numstart = (($pagenum > 4) ? ($pagenum - 4) : 1);
318 $numstop = (($pagenum > ($numpages - 7)) ? $numpages : ($numstart + 8));
323 for ($i = $numstart; $i <= $numstop; $i++) {
324 if ($i == $a->pager['page']) {
325 _l($pages, $i, '#', $i, 'current active');
327 _l($pages, $i, $url . '&page='. $i, $i, 'n');
331 if (($a->pager['total'] % $a->pager['itemspage']) != 0) {
332 if ($i == $a->pager['page']) {
333 _l($pages, $i, '#', $i, 'current active');
335 _l($pages, $i, $url . '&page=' . $i, $i, 'n');
339 $data['pages'] = $pages;
341 $lastpage = (($numpages > intval($numpages)) ? intval($numpages)+1 : $numpages);
342 _l($data, 'next', $url . '&page=' . ($a->pager['page'] + 1), L10n::t('next'), $a->pager['page'] == $lastpage ? 'disabled' : '');
343 _l($data, 'last', $url . '&page=' . $lastpage, L10n::t('last'), $a->pager['page'] == $lastpage ? 'disabled' : '');
352 * Automatic pagination.
354 * To use, get the count of total items.
355 * Then call $a->set_pager_total($number_items);
356 * Optionally call $a->set_pager_itemspage($n) to the number of items to display on each page
357 * Then call paginate($a) after the end of the display loop to insert the pager block on the page
358 * (assuming there are enough items to paginate).
359 * When using with SQL, the setting LIMIT %d, %d => $a->pager['start'],$a->pager['itemspage']
360 * will limit the results to the correct items for the current page.
361 * The actual page handling is then accomplished at the application layer.
363 * @param App $a App instance
364 * @return string html for pagination #FIXME remove html
366 function paginate(App $a) {
368 $data = paginate_data($a);
369 $tpl = get_markup_template("paginate.tpl");
370 return replace_macros($tpl, ["pager" => $data]);
377 * @param App $a App instance
379 * @return string html for pagination #FIXME remove html
381 function alt_pager(App $a, $i) {
383 $data = paginate_data($a, $i);
384 $tpl = get_markup_template("paginate.tpl");
385 return replace_macros($tpl, ['pager' => $data]);
391 * Loader for infinite scrolling
392 * @return string html for loader
394 function scroll_loader() {
395 $tpl = get_markup_template("scroll_loader.tpl");
396 return replace_macros($tpl, [
397 'wait' => L10n::t('Loading more entries...'),
398 'end' => L10n::t('The end')
404 * Turn user/group ACLs stored as angle bracketed text into arrays
409 function expand_acl($s) {
410 // turn string array of angle-bracketed elements into numeric array
411 // e.g. "<1><2><3>" => array(1,2,3);
415 $t = str_replace('<', '', $s);
416 $a = explode('>', $t);
417 foreach ($a as $aa) {
419 $ret[] = intval($aa);
428 * Wrap ACL elements in angle brackets for storage
429 * @param string $item
431 function sanitise_acl(&$item) {
433 $item = '<' . intval(notags(trim($item))) . '>';
441 * Convert an ACL array to a storable string
443 * Normally ACL permissions will be an array.
444 * We'll also allow a comma-separated string.
446 * @param string|array $p
449 function perms2str($p) {
454 $tmp = explode(',', $p);
457 if (is_array($tmp)) {
458 array_walk($tmp, 'sanitise_acl');
459 $ret = implode('', $tmp);
466 * generate a guaranteed unique (for this domain) item ID for ATOM
467 * safe from birthday paradox
469 * @param string $hostname
473 function item_new_uri($hostname, $uid, $guid = "") {
477 $hash = get_guid(32);
483 $uri = "urn:X-dfrn:" . $hostname . ':' . $uid . ':' . $hash;
485 $dups = dba::exists('item', ['uri' => $uri]);
486 } while ($dups == true);
493 * wrapper to load a view template, checking for alternate
494 * languages before falling back to the default
496 * @global string $lang
498 * @param string $s view name
501 function load_view_file($s) {
503 if (! isset($lang)) {
508 if (file_exists("$d/$lang/$b")) {
509 $stamp1 = microtime(true);
510 $content = file_get_contents("$d/$lang/$b");
511 $a->save_timestamp($stamp1, "file");
515 $theme = $a->getCurrentTheme();
517 if (file_exists("$d/theme/$theme/$b")) {
518 $stamp1 = microtime(true);
519 $content = file_get_contents("$d/theme/$theme/$b");
520 $a->save_timestamp($stamp1, "file");
524 $stamp1 = microtime(true);
525 $content = file_get_contents($s);
526 $a->save_timestamp($stamp1, "file");
532 * load a view template, checking for alternate
533 * languages before falling back to the default
535 * @global string $lang
536 * @param string $s view path
539 function get_intltext_template($s) {
544 if ($a->theme['template_engine'] === 'smarty3') {
545 $engine = "/smarty3";
548 if (! isset($lang)) {
552 if (file_exists("view/lang/$lang$engine/$s")) {
553 $stamp1 = microtime(true);
554 $content = file_get_contents("view/lang/$lang$engine/$s");
555 $a->save_timestamp($stamp1, "file");
557 } elseif (file_exists("view/lang/en$engine/$s")) {
558 $stamp1 = microtime(true);
559 $content = file_get_contents("view/lang/en$engine/$s");
560 $a->save_timestamp($stamp1, "file");
563 $stamp1 = microtime(true);
564 $content = file_get_contents("view$engine/$s");
565 $a->save_timestamp($stamp1, "file");
575 * @param string $root
578 function get_markup_template($s, $root = '') {
579 $stamp1 = microtime(true);
582 $t = $a->template_engine();
584 $template = $t->getTemplateFile($s, $root);
585 } catch (Exception $e) {
586 echo "<pre><b>" . __FUNCTION__ . "</b>: " . $e->getMessage() . "</pre>";
590 $a->save_timestamp($stamp1, "file");
596 * for html,xml parsing - let's say you've got
597 * an attribute foobar="class1 class2 class3"
598 * and you want to find out if it contains 'class3'.
599 * you can't use a normal sub string search because you
600 * might match 'notclass3' and a regex to do the job is
601 * possible but a bit complicated.
602 * pass the attribute string as $attr and the attribute you
603 * are looking for as $s - returns true if found, otherwise false
605 * @param string $attr attribute value
606 * @param string $s string to search
607 * @return boolean True if found, False otherwise
609 function attribute_contains($attr, $s) {
610 $a = explode(' ', $attr);
611 return (count($a) && in_array($s,$a));
615 /* setup int->string log level map */
619 * @brief Logs the given message at the given log level
622 * LOGGER_NORMAL (default)
629 * @global array $LOGGER_LEVELS
633 function logger($msg, $level = 0) {
635 global $LOGGER_LEVELS;
637 // turn off logger in install mode
639 $a->mode == App::MODE_INSTALL
645 $debugging = Config::get('system','debugging');
646 $logfile = Config::get('system','logfile');
647 $loglevel = intval(Config::get('system','loglevel'));
652 || $level > $loglevel
657 if (count($LOGGER_LEVELS) == 0) {
658 foreach (get_defined_constants() as $k => $v) {
659 if (substr($k, 0, 7) == "LOGGER_") {
660 $LOGGER_LEVELS[$v] = substr($k, 7, 7);
665 $process_id = session_id();
667 if ($process_id == '') {
668 $process_id = get_app()->process_id;
671 $callers = debug_backtrace();
672 $logline = sprintf("%s@%s\t[%s]:%s:%s:%s\t%s\n",
673 DateTimeFormat::utcNow(DateTimeFormat::ATOM),
675 $LOGGER_LEVELS[$level],
676 basename($callers[0]['file']),
678 $callers[1]['function'],
682 $stamp1 = microtime(true);
683 @file_put_contents($logfile, $logline, FILE_APPEND);
684 $a->save_timestamp($stamp1, "file");
688 * @brief An alternative logger for development.
689 * Works largely as logger() but allows developers
690 * to isolate particular elements they are targetting
691 * personally without background noise
694 * LOGGER_NORMAL (default)
701 * @global array $LOGGER_LEVELS
706 function dlogger($msg, $level = 0) {
709 // turn off logger in install mode
711 $a->mode == App::MODE_INSTALL
717 $logfile = Config::get('system', 'dlogfile');
722 $dlogip = Config::get('system', 'dlogip');
723 if (!is_null($dlogip) && $_SERVER['REMOTE_ADDR'] != $dlogip) {
727 if (count($LOGGER_LEVELS) == 0) {
728 foreach (get_defined_constants() as $k => $v) {
729 if (substr($k, 0, 7) == "LOGGER_") {
730 $LOGGER_LEVELS[$v] = substr($k, 7, 7);
735 $process_id = session_id();
737 if ($process_id == '') {
738 $process_id = get_app()->process_id;
741 $callers = debug_backtrace();
742 $logline = sprintf("%s@\t%s:\t%s:\t%s\t%s\t%s\n",
743 DateTimeFormat::utcNow(),
745 basename($callers[0]['file']),
747 $callers[1]['function'],
751 $stamp1 = microtime(true);
752 @file_put_contents($logfile, $logline, FILE_APPEND);
753 $a->save_timestamp($stamp1, "file");
758 * Compare activity uri. Knows about activity namespace.
760 * @param string $haystack
761 * @param string $needle
764 function activity_match($haystack,$needle) {
765 return (($haystack === $needle) || ((basename($needle) === $haystack) && strstr($needle, NAMESPACE_ACTIVITY_SCHEMA)));
770 * @brief Pull out all #hashtags and @person tags from $string.
772 * We also get @person@domain.com - which would make
773 * the regex quite complicated as tags can also
774 * end a sentence. So we'll run through our results
775 * and strip the period from any tags which end with one.
776 * Returns array of tags found, or empty array.
778 * @param string $string Post content
779 * @return array List of tag and person names
781 function get_tags($string) {
784 // Convert hashtag links to hashtags
785 $string = preg_replace('/#\[url\=([^\[\]]*)\](.*?)\[\/url\]/ism', '#$2', $string);
787 // ignore anything in a code block
788 $string = preg_replace('/\[code\](.*?)\[\/code\]/sm', '', $string);
790 // Force line feeds at bbtags
791 $string = str_replace(['[', ']'], ["\n[", "]\n"], $string);
793 // ignore anything in a bbtag
794 $string = preg_replace('/\[(.*?)\]/sm', '', $string);
796 // Match full names against @tags including the space between first and last
797 // We will look these up afterward to see if they are full names or not recognisable.
799 if (preg_match_all('/(@[^ \x0D\x0A,:?]+ [^ \x0D\x0A@,:?]+)([ \x0D\x0A@,:?]|$)/', $string, $matches)) {
800 foreach ($matches[1] as $match) {
801 if (strstr($match, ']')) {
802 // we might be inside a bbcode color tag - leave it alone
805 if (substr($match, -1, 1) === '.') {
806 $ret[] = substr($match, 0, -1);
813 // Otherwise pull out single word tags. These can be @nickname, @first_last
816 if (preg_match_all('/([!#@][^\^ \x0D\x0A,;:?]+)([ \x0D\x0A,;:?]|$)/', $string, $matches)) {
817 foreach ($matches[1] as $match) {
818 if (strstr($match, ']')) {
819 // we might be inside a bbcode color tag - leave it alone
822 if (substr($match, -1, 1) === '.') {
823 $match = substr($match,0,-1);
825 // ignore strictly numeric tags like #1
826 if ((strpos($match, '#') === 0) && ctype_digit(substr($match, 1))) {
829 // try not to catch url fragments
830 if (strpos($string, $match) && preg_match('/[a-zA-z0-9\/]/', substr($string, strpos($string, $match) - 1, 1))) {
841 * quick and dirty quoted_printable encoding
847 return str_replace("%", "=", rawurlencode($s));
852 * Get html for contact block.
854 * @template contact_block.tpl
855 * @hook contact_block_end (contacts=>array, output=>string)
858 function contact_block() {
862 $shown = PConfig::get($a->profile['uid'], 'system', 'display_friend_count', 24);
867 if (!is_array($a->profile) || $a->profile['hide-friends']) {
870 $r = q("SELECT COUNT(*) AS `total` FROM `contact`
871 WHERE `uid` = %d AND NOT `self` AND NOT `blocked`
872 AND NOT `pending` AND NOT `hidden` AND NOT `archive`
873 AND `network` IN ('%s', '%s', '%s')",
874 intval($a->profile['uid']),
876 dbesc(NETWORK_OSTATUS),
877 dbesc(NETWORK_DIASPORA)
879 if (DBM::is_result($r)) {
880 $total = intval($r[0]['total']);
883 $contacts = L10n::t('No contacts');
886 // Splitting the query in two parts makes it much faster
887 $r = q("SELECT `id` FROM `contact`
888 WHERE `uid` = %d AND NOT `self` AND NOT `blocked`
889 AND NOT `pending` AND NOT `hidden` AND NOT `archive`
890 AND `network` IN ('%s', '%s', '%s')
891 ORDER BY RAND() LIMIT %d",
892 intval($a->profile['uid']),
894 dbesc(NETWORK_OSTATUS),
895 dbesc(NETWORK_DIASPORA),
898 if (DBM::is_result($r)) {
900 foreach ($r AS $contact) {
901 $contacts[] = $contact["id"];
903 $r = q("SELECT `id`, `uid`, `addr`, `url`, `name`, `thumb`, `network` FROM `contact` WHERE `id` IN (%s)",
904 dbesc(implode(",", $contacts)));
906 if (DBM::is_result($r)) {
907 $contacts = L10n::tt('%d Contact', '%d Contacts', $total);
909 foreach ($r as $rr) {
910 $micropro[] = micropro($rr, true, 'mpfriend');
916 $tpl = get_markup_template('contact_block.tpl');
917 $o = replace_macros($tpl, [
918 '$contacts' => $contacts,
919 '$nickname' => $a->profile['nickname'],
920 '$viewcontacts' => L10n::t('View Contacts'),
921 '$micropro' => $micropro,
924 $arr = ['contacts' => $r, 'output' => $o];
926 Addon::callHooks('contact_block_end', $arr);
933 * @brief Format contacts as picture links or as texxt links
935 * @param array $contact Array with contacts which contains an array with
936 * int 'id' => The ID of the contact
937 * int 'uid' => The user ID of the user who owns this data
938 * string 'name' => The name of the contact
939 * string 'url' => The url to the profile page of the contact
940 * string 'addr' => The webbie of the contact (e.g.) username@friendica.com
941 * string 'network' => The network to which the contact belongs to
942 * string 'thumb' => The contact picture
943 * string 'click' => js code which is performed when clicking on the contact
944 * @param boolean $redirect If true try to use the redir url if it's possible
945 * @param string $class CSS class for the
946 * @param boolean $textmode If true display the contacts as text links
947 * if false display the contacts as picture links
949 * @return string Formatted html
951 function micropro($contact, $redirect = false, $class = '', $textmode = false) {
953 // Use the contact URL if no address is available
954 if (!x($contact, "addr")) {
955 $contact["addr"] = $contact["url"];
958 $url = $contact['url'];
963 $redirect_url = 'redir/' . $contact['id'];
964 if (local_user() && ($contact['uid'] == local_user()) && ($contact['network'] === NETWORK_DFRN)) {
966 $url = $redirect_url;
967 $sparkle = ' sparkle';
969 $url = Profile::zrl($url);
973 // If there is some js available we don't need the url
974 if (x($contact, 'click')) {
978 return replace_macros(get_markup_template(($textmode)?'micropro_txt.tpl':'micropro_img.tpl'),[
979 '$click' => defaults($contact, 'click', ''),
982 '$photo' => proxy_url($contact['thumb'], false, PROXY_SIZE_THUMB),
983 '$name' => $contact['name'],
984 'title' => $contact['name'] . ' [' . $contact['addr'] . ']',
985 '$parkle' => $sparkle,
994 * @param string $s Search query.
995 * @param string $id HTML id
996 * @param string $url Search url.
997 * @param bool $save Show save search button.
998 * @param bool $aside Display the search widgit aside.
1000 * @return string Formatted HTML.
1002 function search($s, $id = 'search-box', $url = 'search', $save = false, $aside = true)
1006 if (strpos($s, '#') === 0) {
1009 $save_label = $mode === 'text' ? L10n::t('Save') : L10n::t('Follow');
1012 '$s' => htmlspecialchars($s),
1014 '$action_url' => $url,
1015 '$search_label' => L10n::t('Search'),
1016 '$save_label' => $save_label,
1017 '$savedsearch' => Feature::isEnabled(local_user(),'savedsearch'),
1018 '$search_hint' => L10n::t('@name, !forum, #tags, content'),
1023 $values['$searchoption'] = [
1024 L10n::t("Full Text"),
1026 L10n::t("Contacts")];
1028 if (Config::get('system','poco_local_search')) {
1029 $values['$searchoption'][] = L10n::t("Forums");
1033 return replace_macros(get_markup_template('searchbox.tpl'), $values);
1037 * @brief Check for a valid email string
1039 * @param string $email_address
1042 function valid_email($email_address)
1044 return preg_match('/^[_a-zA-Z0-9\-\+]+(\.[_a-zA-Z0-9\-\+]+)*@[a-zA-Z0-9-]+(\.[a-zA-Z0-9-]+)+$/', $email_address);
1049 * Replace naked text hyperlink with HTML formatted hyperlink
1053 function linkify($s) {
1054 $s = preg_replace("/(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\'\%\$\!\+]*)/", ' <a href="$1" target="_blank">$1</a>', $s);
1055 $s = preg_replace("/\<(.*?)(src|href)=(.*?)\&\;(.*?)\>/ism",'<$1$2=$3&$4>',$s);
1063 * @return array index is present tense verb
1064 * value is array containing past tense verb, translation of present, translation of past
1065 * @hook poke_verbs pokes array
1067 function get_poke_verbs() {
1069 // index is present tense verb
1070 // value is array containing past tense verb, translation of present, translation of past
1073 'poke' => ['poked', L10n::t('poke'), L10n::t('poked')],
1074 'ping' => ['pinged', L10n::t('ping'), L10n::t('pinged')],
1075 'prod' => ['prodded', L10n::t('prod'), L10n::t('prodded')],
1076 'slap' => ['slapped', L10n::t('slap'), L10n::t('slapped')],
1077 'finger' => ['fingered', L10n::t('finger'), L10n::t('fingered')],
1078 'rebuff' => ['rebuffed', L10n::t('rebuff'), L10n::t('rebuffed')],
1080 Addon::callHooks('poke_verbs', $arr);
1085 * @brief Translate days and months names.
1087 * @param string $s String with day or month name.
1088 * @return string Translated string.
1090 function day_translate($s) {
1091 $ret = str_replace(['Monday','Tuesday','Wednesday','Thursday','Friday','Saturday','Sunday'],
1092 [L10n::t('Monday'), L10n::t('Tuesday'), L10n::t('Wednesday'), L10n::t('Thursday'), L10n::t('Friday'), L10n::t('Saturday'), L10n::t('Sunday')],
1095 $ret = str_replace(['January','February','March','April','May','June','July','August','September','October','November','December'],
1096 [L10n::t('January'), L10n::t('February'), L10n::t('March'), L10n::t('April'), L10n::t('May'), L10n::t('June'), L10n::t('July'), L10n::t('August'), L10n::t('September'), L10n::t('October'), L10n::t('November'), L10n::t('December')],
1103 * @brief Translate short days and months names.
1105 * @param string $s String with short day or month name.
1106 * @return string Translated string.
1108 function day_short_translate($s) {
1109 $ret = str_replace(['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun'],
1110 [L10n::t('Mon'), L10n::t('Tue'), L10n::t('Wed'), L10n::t('Thu'), L10n::t('Fri'), L10n::t('Sat'), L10n::t('Sun')],
1112 $ret = str_replace(['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov','Dec'],
1113 [L10n::t('Jan'), L10n::t('Feb'), L10n::t('Mar'), L10n::t('Apr'), L10n::t('May'), ('Jun'), L10n::t('Jul'), L10n::t('Aug'), L10n::t('Sep'), L10n::t('Oct'), L10n::t('Nov'), L10n::t('Dec')],
1122 * @param string $url
1125 function normalise_link($url) {
1126 $ret = str_replace(['https:', '//www.'], ['http:', '//'], $url);
1127 return rtrim($ret,'/');
1132 * Compare two URLs to see if they are the same, but ignore
1133 * slight but hopefully insignificant differences such as if one
1134 * is https and the other isn't, or if one is www.something and
1135 * the other isn't - and also ignore case differences.
1137 * @param string $a first url
1138 * @param string $b second url
1139 * @return boolean True if the URLs match, otherwise False
1142 function link_compare($a, $b) {
1143 return (strcasecmp(normalise_link($a), normalise_link($b)) === 0);
1148 * @brief Find any non-embedded images in private items and add redir links to them
1151 * @param array &$item The field array of an item row
1153 function redir_private_images($a, &$item)
1156 $cnt = preg_match_all('|\[img\](http[^\[]*?/photo/[a-fA-F0-9]+?(-[0-9]\.[\w]+?)?)\[\/img\]|', $item['body'], $matches, PREG_SET_ORDER);
1158 foreach ($matches as $mtch) {
1159 if (strpos($mtch[1], '/redir') !== false) {
1163 if ((local_user() == $item['uid']) && ($item['private'] != 0) && ($item['contact-id'] != $a->contact['id']) && ($item['network'] == NETWORK_DFRN)) {
1164 $img_url = 'redir?f=1&quiet=1&url=' . urlencode($mtch[1]) . '&conurl=' . urlencode($item['author-link']);
1165 $item['body'] = str_replace($mtch[0], '[img]' . $img_url . '[/img]', $item['body']);
1172 * Sets the "rendered-html" field of the provided item
1174 * Body is preserved to avoid side-effects as we modify it just-in-time for spoilers and private image links
1176 * @param array $item
1177 * @param bool $update
1179 * @todo Remove reference, simply return "rendered-html" and "rendered-hash"
1181 function put_item_in_cache(&$item, $update = false)
1183 $body = $item["body"];
1185 $rendered_hash = defaults($item, 'rendered-hash', '');
1186 $rendered_html = defaults($item, 'rendered-html', '');
1188 if ($rendered_hash == ''
1189 || $item["rendered-html"] == ""
1190 || $rendered_hash != hash("md5", $item["body"])
1191 || Config::get("system", "ignore_cache")
1194 redir_private_images($a, $item);
1196 $item["rendered-html"] = prepare_text($item["body"]);
1197 $item["rendered-hash"] = hash("md5", $item["body"]);
1199 // Force an update if the generated values differ from the existing ones
1200 if ($rendered_hash != $item["rendered-hash"]) {
1204 // Only compare the HTML when we forcefully ignore the cache
1205 if (Config::get("system", "ignore_cache") && ($rendered_html != $item["rendered-html"])) {
1209 if ($update && ($item["id"] > 0)) {
1210 dba::update('item', ['rendered-html' => $item["rendered-html"], 'rendered-hash' => $item["rendered-hash"]],
1211 ['id' => $item["id"]], false);
1215 $item["body"] = $body;
1219 * @brief Given an item array, convert the body element from bbcode to html and add smilie icons.
1220 * If attach is true, also add icons for item attachments.
1222 * @param array $item
1223 * @param boolean $attach
1224 * @param boolean $is_preview
1225 * @return string item body html
1226 * @hook prepare_body_init item array before any work
1227 * @hook prepare_body_content_filter ('item'=>item array, 'filter_reasons'=>string array) before first bbcode to html
1228 * @hook prepare_body ('item'=>item array, 'html'=>body string, 'is_preview'=>boolean, 'filter_reasons'=>string array) after first bbcode to html
1229 * @hook prepare_body_final ('item'=>item array, 'html'=>body string) after attach icons and blockquote special case handling (spoiler, author)
1231 function prepare_body(array &$item, $attach = false, $is_preview = false)
1234 Addon::callHooks('prepare_body_init', $item);
1236 // In order to provide theme developers more possibilities, event items
1237 // are treated differently.
1238 if ($item['object-type'] === ACTIVITY_OBJ_EVENT && isset($item['event-id'])) {
1239 $ev = Event::getItemHTML($item);
1243 $tags = \Friendica\Model\Term::populateTagsFromItem($item);
1245 $item['tags'] = $tags['tags'];
1246 $item['hashtags'] = $tags['hashtags'];
1247 $item['mentions'] = $tags['mentions'];
1249 // Compile eventual content filter reasons
1250 $filter_reasons = [];
1251 if (!$is_preview && public_contact() != $item['author-id']) {
1252 if (!empty($item['content-warning']) && (!local_user() || !PConfig::get(local_user(), 'system', 'disable_cw', false))) {
1253 $filter_reasons[] = L10n::t('Content warning: %s', $item['content-warning']);
1258 'filter_reasons' => $filter_reasons
1260 Addon::callHooks('prepare_body_content_filter', $hook_data);
1261 $filter_reasons = $hook_data['filter_reasons'];
1265 // Update the cached values if there is no "zrl=..." on the links.
1266 $update = (!local_user() && !remote_user() && ($item["uid"] == 0));
1268 // Or update it if the current viewer is the intented viewer.
1269 if (($item["uid"] == local_user()) && ($item["uid"] != 0)) {
1273 put_item_in_cache($item, $update);
1274 $s = $item["rendered-html"];
1279 'preview' => $is_preview,
1280 'filter_reasons' => $filter_reasons
1282 Addon::callHooks('prepare_body', $hook_data);
1283 $s = $hook_data['html'];
1286 $s = apply_content_filter($s, $filter_reasons);
1289 // Replace the blockquotes with quotes that are used in mails.
1290 $mailquote = '<blockquote type="cite" class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">';
1291 $s = str_replace(['<blockquote>', '<blockquote class="spoiler">', '<blockquote class="author">'], [$mailquote, $mailquote, $mailquote], $s);
1298 preg_match_all('|\[attach\]href=\"(.*?)\" length=\"(.*?)\" type=\"(.*?)\"(?: title=\"(.*?)\")?|', $item['attach'], $matches, PREG_SET_ORDER);
1299 foreach ($matches as $mtch) {
1302 if ((local_user() == $item['uid']) && ($item['contact-id'] != $a->contact['id']) && ($item['network'] == NETWORK_DFRN)) {
1303 $the_url = 'redir/' . $item['contact-id'] . '?f=1&url=' . $mtch[1];
1305 $the_url = $mtch[1];
1308 if (strpos($mime, 'video') !== false) {
1311 $a->page['htmlhead'] .= replace_macros(get_markup_template('videos_head.tpl'), [
1312 '$baseurl' => System::baseUrl(),
1314 $a->page['end'] .= replace_macros(get_markup_template('videos_end.tpl'), [
1315 '$baseurl' => System::baseUrl(),
1319 $id = end(explode('/', $the_url));
1320 $as .= replace_macros(get_markup_template('video_top.tpl'), [
1323 'title' => L10n::t('View Video'),
1330 $filetype = strtolower(substr($mime, 0, strpos($mime, '/')));
1332 $filesubtype = strtolower(substr($mime, strpos($mime, '/') + 1));
1333 $filesubtype = str_replace('.', '-', $filesubtype);
1336 $filesubtype = 'unkn';
1339 $title = escape_tags(trim(!empty($mtch[4]) ? $mtch[4] : $mtch[1]));
1340 $title .= ' ' . $mtch[2] . ' ' . L10n::t('bytes');
1342 $icon = '<div class="attachtype icon s22 type-' . $filetype . ' subtype-' . $filesubtype . '"></div>';
1343 $as .= '<a href="' . strip_tags($the_url) . '" title="' . $title . '" class="attachlink" target="_blank" >' . $icon . '</a>';
1347 $s .= '<div class="body-attach">'.$as.'<div class="clear"></div></div>';
1351 if (strpos($s, '<div class="map">') !== false && x($item, 'coord')) {
1352 $x = Map::byCoordinates(trim($item['coord']));
1354 $s = preg_replace('/\<div class\=\"map\"\>/', '$0' . $x, $s);
1359 // Look for spoiler.
1360 $spoilersearch = '<blockquote class="spoiler">';
1362 // Remove line breaks before the spoiler.
1363 while ((strpos($s, "\n" . $spoilersearch) !== false)) {
1364 $s = str_replace("\n" . $spoilersearch, $spoilersearch, $s);
1366 while ((strpos($s, "<br />" . $spoilersearch) !== false)) {
1367 $s = str_replace("<br />" . $spoilersearch, $spoilersearch, $s);
1370 while ((strpos($s, $spoilersearch) !== false)) {
1371 $pos = strpos($s, $spoilersearch);
1372 $rnd = random_string(8);
1373 $spoilerreplace = '<br /> <span id="spoiler-wrap-' . $rnd . '" class="spoiler-wrap fakelink" onclick="openClose(\'spoiler-' . $rnd . '\');">' . L10n::t('Click to open/close') . '</span>'.
1374 '<blockquote class="spoiler" id="spoiler-' . $rnd . '" style="display: none;">';
1375 $s = substr($s, 0, $pos) . $spoilerreplace . substr($s, $pos + strlen($spoilersearch));
1378 // Look for quote with author.
1379 $authorsearch = '<blockquote class="author">';
1381 while ((strpos($s, $authorsearch) !== false)) {
1382 $pos = strpos($s, $authorsearch);
1383 $rnd = random_string(8);
1384 $authorreplace = '<br /> <span id="author-wrap-' . $rnd . '" class="author-wrap fakelink" onclick="openClose(\'author-' . $rnd . '\');">' . L10n::t('Click to open/close') . '</span>'.
1385 '<blockquote class="author" id="author-' . $rnd . '" style="display: block;">';
1386 $s = substr($s, 0, $pos) . $authorreplace . substr($s, $pos + strlen($authorsearch));
1389 // Replace friendica image url size with theme preference.
1390 if (x($a->theme_info, 'item_image_size')){
1391 $ps = $a->theme_info['item_image_size'];
1392 $s = preg_replace('|(<img[^>]+src="[^"]+/photo/[0-9a-f]+)-[0-9]|', "$1-" . $ps, $s);
1395 $hook_data = ['item' => $item, 'html' => $s];
1396 Addon::callHooks('prepare_body_final', $hook_data);
1398 return $hook_data['html'];
1402 * Given a HTML text and a set of filtering reasons, adds a content hiding header with the provided reasons
1404 * Reasons are expected to have been translated already.
1406 * @param string $html
1407 * @param array $reasons
1410 function apply_content_filter($html, array $reasons)
1412 if (count($reasons)) {
1413 $tpl = get_markup_template('wall/content_filter.tpl');
1414 $html = replace_macros($tpl, [
1415 '$reasons' => $reasons,
1416 '$rnd' => random_string(8),
1417 '$openclose' => L10n::t('Click to open/close'),
1426 * @brief Given a text string, convert from bbcode to html and add smilie icons.
1428 * @param string $text String with bbcode.
1429 * @return string Formattet HTML.
1431 function prepare_text($text) {
1432 if (stristr($text, '[nosmile]')) {
1433 $s = BBCode::convert($text);
1435 $s = Smilies::replace(BBCode::convert($text));
1442 * return array with details for categories and folders for an item
1444 * @param array $item
1448 * [ // categories array
1450 * 'name': 'category name',
1451 * 'removeurl': 'url to remove this category',
1452 * 'first': 'is the first in this array? true/false',
1453 * 'last': 'is the last in this array? true/false',
1459 * 'name': 'folder name',
1460 * 'removeurl': 'url to remove this folder',
1461 * 'first': 'is the first in this array? true/false',
1462 * 'last': 'is the last in this array? true/false',
1468 function get_cats_and_terms($item)
1475 $cnt = preg_match_all('/<(.*?)>/', $item['file'], $matches, PREG_SET_ORDER);
1477 foreach ($matches as $mtch) {
1479 'name' => xmlify(file_tag_decode($mtch[1])),
1481 'removeurl' => ((local_user() == $item['uid'])?'filerm/' . $item['id'] . '?f=&cat=' . xmlify(file_tag_decode($mtch[1])):""),
1489 if (count($categories)) {
1490 $categories[count($categories) - 1]['last'] = true;
1493 if (local_user() == $item['uid']) {
1496 $cnt = preg_match_all('/\[(.*?)\]/', $item['file'], $matches, PREG_SET_ORDER);
1498 foreach ($matches as $mtch) {
1500 'name' => xmlify(file_tag_decode($mtch[1])),
1502 'removeurl' => ((local_user() == $item['uid']) ? 'filerm/' . $item['id'] . '?f=&term=' . xmlify(file_tag_decode($mtch[1])) : ""),
1511 if (count($folders)) {
1512 $folders[count($folders) - 1]['last'] = true;
1515 return [$categories, $folders];
1520 * get private link for item
1521 * @param array $item
1522 * @return boolean|array False if item has not plink, otherwise array('href'=>plink url, 'title'=>translated title)
1524 function get_plink($item) {
1527 if ($a->user['nickname'] != "") {
1529 //'href' => "display/" . $a->user['nickname'] . "/" . $item['id'],
1530 'href' => "display/" . $item['guid'],
1531 'orig' => "display/" . $item['guid'],
1532 'title' => L10n::t('View on separate page'),
1533 'orig_title' => L10n::t('view on separate page'),
1536 if (x($item, 'plink')) {
1537 $ret["href"] = $a->remove_baseurl($item['plink']);
1538 $ret["title"] = L10n::t('link to source');
1541 } elseif (x($item, 'plink') && ($item['private'] != 1)) {
1543 'href' => $item['plink'],
1544 'orig' => $item['plink'],
1545 'title' => L10n::t('link to source'),
1556 * replace html amp entity with amp char
1560 function unamp($s) {
1561 return str_replace('&', '&', $s);
1566 * return number of bytes in size (K, M, G)
1567 * @param string $size_str
1570 function return_bytes($size_str) {
1571 switch (substr ($size_str, -1)) {
1572 case 'M': case 'm': return (int)$size_str * 1048576;
1573 case 'K': case 'k': return (int)$size_str * 1024;
1574 case 'G': case 'g': return (int)$size_str * 1073741824;
1575 default: return $size_str;
1583 function generate_user_guid() {
1586 $guid = get_guid(32);
1587 $x = q("SELECT `uid` FROM `user` WHERE `guid` = '%s' LIMIT 1",
1590 if (! DBM::is_result($x)) {
1593 } while ($found == true);
1601 * @param boolean $strip_padding
1604 function base64url_encode($s, $strip_padding = false) {
1606 $s = strtr(base64_encode($s), '+/', '-_');
1608 if ($strip_padding) {
1609 $s = str_replace('=','',$s);
1619 function base64url_decode($s) {
1622 logger('base64url_decode: illegal input: ' . print_r(debug_backtrace(), true));
1627 * // Placeholder for new rev of salmon which strips base64 padding.
1628 * // PHP base64_decode handles the un-padded input without requiring this step
1629 * // Uncomment if you find you need it.
1632 * if (! strpos($s,'=')) {
1642 return base64_decode(strtr($s,'-_','+/'));
1647 * return div element with class 'clear'
1651 function cleardiv() {
1652 return '<div class="clear"></div>';
1656 function bb_translate_video($s) {
1659 $r = preg_match_all("/\[video\](.*?)\[\/video\]/ism",$s,$matches,PREG_SET_ORDER);
1661 foreach ($matches as $mtch) {
1662 if ((stristr($mtch[1], 'youtube')) || (stristr($mtch[1], 'youtu.be'))) {
1663 $s = str_replace($mtch[0], '[youtube]' . $mtch[1] . '[/youtube]', $s);
1664 } elseif (stristr($mtch[1], 'vimeo')) {
1665 $s = str_replace($mtch[0], '[vimeo]' . $mtch[1] . '[/vimeo]', $s);
1672 function html2bb_video($s) {
1674 $s = preg_replace('#<object[^>]+>(.*?)https?://www.youtube.com/((?:v|cp)/[A-Za-z0-9\-_=]+)(.*?)</object>#ism',
1675 '[youtube]$2[/youtube]', $s);
1677 $s = preg_replace('#<iframe[^>](.*?)https?://www.youtube.com/embed/([A-Za-z0-9\-_=]+)(.*?)</iframe>#ism',
1678 '[youtube]$2[/youtube]', $s);
1680 $s = preg_replace('#<iframe[^>](.*?)https?://player.vimeo.com/video/([0-9]+)(.*?)</iframe>#ism',
1681 '[vimeo]$2[/vimeo]', $s);
1687 * apply xmlify() to all values of array $val, recursively
1691 function array_xmlify($val){
1692 if (is_bool($val)) {
1693 return $val?"true":"false";
1694 } elseif (is_array($val)) {
1695 return array_map('array_xmlify', $val);
1697 return xmlify((string) $val);
1702 * transform link href and img src from relative to absolute
1704 * @param string $text
1705 * @param string $base base url
1708 function reltoabs($text, $base) {
1713 $base = rtrim($base,'/');
1715 $base2 = $base . "/";
1718 $pattern = "/<a([^>]*) href=\"(?!http|https|\/)([^\"]*)\"/";
1719 $replace = "<a\${1} href=\"" . $base2 . "\${2}\"";
1720 $text = preg_replace($pattern, $replace, $text);
1722 $pattern = "/<a([^>]*) href=\"(?!http|https)([^\"]*)\"/";
1723 $replace = "<a\${1} href=\"" . $base . "\${2}\"";
1724 $text = preg_replace($pattern, $replace, $text);
1727 $pattern = "/<img([^>]*) src=\"(?!http|https|\/)([^\"]*)\"/";
1728 $replace = "<img\${1} src=\"" . $base2 . "\${2}\"";
1729 $text = preg_replace($pattern, $replace, $text);
1731 $pattern = "/<img([^>]*) src=\"(?!http|https)([^\"]*)\"/";
1732 $replace = "<img\${1} src=\"" . $base . "\${2}\"";
1733 $text = preg_replace($pattern, $replace, $text);
1741 * get translated item type
1743 * @param array $itme
1746 function item_post_type($item) {
1747 if (intval($item['event-id'])) {
1748 return L10n::t('event');
1749 } elseif (strlen($item['resource-id'])) {
1750 return L10n::t('photo');
1751 } elseif (strlen($item['verb']) && $item['verb'] !== ACTIVITY_POST) {
1752 return L10n::t('activity');
1753 } elseif ($item['id'] != $item['parent']) {
1754 return L10n::t('comment');
1757 return L10n::t('post');
1760 // post categories and "save to file" use the same item.file table for storage.
1761 // We will differentiate the different uses by wrapping categories in angle brackets
1762 // and save to file categories in square brackets.
1763 // To do this we need to escape these characters if they appear in our tag.
1765 function file_tag_encode($s) {
1766 return str_replace(['<','>','[',']'],['%3c','%3e','%5b','%5d'],$s);
1769 function file_tag_decode($s) {
1770 return str_replace(['%3c', '%3e', '%5b', '%5d'], ['<', '>', '[', ']'], $s);
1773 function file_tag_file_query($table,$s,$type = 'file') {
1775 if ($type == 'file') {
1776 $str = preg_quote('[' . str_replace('%', '%%', file_tag_encode($s)) . ']');
1778 $str = preg_quote('<' . str_replace('%', '%%', file_tag_encode($s)) . '>');
1780 return " AND " . (($table) ? dbesc($table) . '.' : '') . "file regexp '" . dbesc($str) . "' ";
1783 // ex. given music,video return <music><video> or [music][video]
1784 function file_tag_list_to_file($list, $type = 'file') {
1786 if (strlen($list)) {
1787 $list_array = explode(",",$list);
1788 if ($type == 'file') {
1796 foreach ($list_array as $item) {
1797 if (strlen($item)) {
1798 $tag_list .= $lbracket . file_tag_encode(trim($item)) . $rbracket;
1805 // ex. given <music><video>[friends], return music,video or friends
1806 function file_tag_file_to_list($file, $type = 'file') {
1809 if ($type == 'file') {
1810 $cnt = preg_match_all('/\[(.*?)\]/', $file, $matches, PREG_SET_ORDER);
1812 $cnt = preg_match_all('/<(.*?)>/', $file, $matches, PREG_SET_ORDER);
1815 foreach ($matches as $mtch) {
1816 if (strlen($list)) {
1819 $list .= file_tag_decode($mtch[1]);
1826 function file_tag_update_pconfig($uid, $file_old, $file_new, $type = 'file') {
1827 // $file_old - categories previously associated with an item
1828 // $file_new - new list of categories for an item
1830 if (!intval($uid)) {
1832 } elseif ($file_old == $file_new) {
1836 $saved = PConfig::get($uid, 'system', 'filetags');
1837 if (strlen($saved)) {
1838 if ($type == 'file') {
1841 $termtype = TERM_FILE;
1845 $termtype = TERM_CATEGORY;
1848 $filetags_updated = $saved;
1850 // check for new tags to be added as filetags in pconfig
1852 $check_new_tags = explode(",",file_tag_file_to_list($file_new,$type));
1854 foreach ($check_new_tags as $tag) {
1855 if (! stristr($saved,$lbracket . file_tag_encode($tag) . $rbracket)) {
1860 $filetags_updated .= file_tag_list_to_file(implode(",",$new_tags),$type);
1862 // check for deleted tags to be removed from filetags in pconfig
1864 $check_deleted_tags = explode(",",file_tag_file_to_list($file_old,$type));
1866 foreach ($check_deleted_tags as $tag) {
1867 if (! stristr($file_new,$lbracket . file_tag_encode($tag) . $rbracket)) {
1868 $deleted_tags[] = $tag;
1872 foreach ($deleted_tags as $key => $tag) {
1873 $r = q("SELECT `oid` FROM `term` WHERE `term` = '%s' AND `otype` = %d AND `type` = %d AND `uid` = %d",
1875 intval(TERM_OBJ_POST),
1879 if (DBM::is_result($r)) {
1880 unset($deleted_tags[$key]);
1882 $filetags_updated = str_replace($lbracket . file_tag_encode($tag) . $rbracket,'',$filetags_updated);
1886 if ($saved != $filetags_updated) {
1887 PConfig::set($uid, 'system', 'filetags', $filetags_updated);
1890 } elseif (strlen($file_new)) {
1891 PConfig::set($uid, 'system', 'filetags', $file_new);
1896 function file_tag_save_file($uid, $item, $file)
1898 if (! intval($uid)) {
1902 $r = q("SELECT `file` FROM `item` WHERE `id` = %d AND `uid` = %d LIMIT 1",
1906 if (DBM::is_result($r)) {
1907 if (!stristr($r[0]['file'],'[' . file_tag_encode($file) . ']')) {
1908 $fields = ['file' => $r[0]['file'] . '[' . file_tag_encode($file) . ']'];
1909 Item::update($fields, ['id' => $item]);
1911 $saved = PConfig::get($uid, 'system', 'filetags');
1912 if (!strlen($saved) || !stristr($saved, '[' . file_tag_encode($file) . ']')) {
1913 PConfig::set($uid, 'system', 'filetags', $saved . '[' . file_tag_encode($file) . ']');
1915 info(L10n::t('Item filed'));
1920 function file_tag_unsave_file($uid, $item, $file, $cat = false)
1922 if (! intval($uid)) {
1927 $pattern = '<' . file_tag_encode($file) . '>' ;
1928 $termtype = TERM_CATEGORY;
1930 $pattern = '[' . file_tag_encode($file) . ']' ;
1931 $termtype = TERM_FILE;
1934 $r = q("SELECT `file` FROM `item` WHERE `id` = %d AND `uid` = %d LIMIT 1",
1938 if (! DBM::is_result($r)) {
1942 $fields = ['file' => str_replace($pattern,'',$r[0]['file'])];
1943 Item::update($fields, ['id' => $item]);
1945 $r = q("SELECT `oid` FROM `term` WHERE `term` = '%s' AND `otype` = %d AND `type` = %d AND `uid` = %d",
1947 intval(TERM_OBJ_POST),
1951 if (!DBM::is_result($r)) {
1952 $saved = PConfig::get($uid, 'system', 'filetags');
1953 PConfig::set($uid, 'system', 'filetags', str_replace($pattern, '', $saved));
1959 function normalise_openid($s) {
1960 return trim(str_replace(['http://', 'https://'], ['', ''], $s), '/');
1964 function undo_post_tagging($s) {
1966 $cnt = preg_match_all('/([!#@])\[url=(.*?)\](.*?)\[\/url\]/ism', $s, $matches, PREG_SET_ORDER);
1968 foreach ($matches as $mtch) {
1969 $s = str_replace($mtch[0], $mtch[1] . $mtch[3],$s);
1975 function protect_sprintf($s) {
1976 return str_replace('%', '%%', $s);
1979 /// @TODO Rewrite this
1980 function is_a_date_arg($s) {
1986 if ($i <= $y + 1 && strpos($s, '-') == 4) {
1987 $m = intval(substr($s, 5));
1989 if ($m > 0 && $m <= 12) {
1999 * remove intentation from a text
2001 function deindent($text, $chr = "[\t ]", $count = NULL) {
2002 $lines = explode("\n", $text);
2003 if (is_null($count)) {
2006 while ($k < count($lines) && strlen($lines[$k]) == 0) {
2009 preg_match("|^" . $chr . "*|", $lines[$k], $m);
2010 $count = strlen($m[0]);
2013 for ($k = 0; $k < count($lines); $k++) {
2014 $lines[$k] = preg_replace("|^" . $chr . "{" . $count . "}|", "", $lines[$k]);
2017 return implode("\n", $lines);
2020 function formatBytes($bytes, $precision = 2) {
2021 $units = ['B', 'KB', 'MB', 'GB', 'TB'];
2023 $bytes = max($bytes, 0);
2024 $pow = floor(($bytes ? log($bytes) : 0) / log(1024));
2025 $pow = min($pow, count($units) - 1);
2027 $bytes /= pow(1024, $pow);
2029 return round($bytes, $precision) . ' ' . $units[$pow];
2033 * @brief translate and format the networkname of a contact
2035 * @param string $network
2036 * Networkname of the contact (e.g. dfrn, rss and so on)
2041 function format_network_name($network, $url = 0) {
2042 if ($network != "") {
2044 $network_name = '<a href="'.$url.'">'.ContactSelector::networkToName($network, $url)."</a>";
2046 $network_name = ContactSelector::networkToName($network);
2049 return $network_name;
2054 * @brief Syntax based code highlighting for popular languages.
2055 * @param string $s Code block
2056 * @param string $lang Programming language
2057 * @return string Formated html
2059 function text_highlight($s, $lang) {
2060 if ($lang === 'js') {
2061 $lang = 'javascript';
2064 if ($lang === 'bash') {
2068 // @TODO: Replace Text_Highlighter_Renderer_Html by scrivo/highlight.php
2070 // Autoload the library to make constants available
2071 class_exists('Text_Highlighter_Renderer_Html');
2074 'numbers' => HL_NUMBERS_LI,
2079 $s = trim(html_entity_decode($s, ENT_COMPAT));
2080 $s = str_replace(' ', "\t", $s);
2083 * The highlighter library insists on an opening php tag for php code blocks. If
2084 * it isn't present, nothing is highlighted. So we're going to see if it's present.
2085 * If not, we'll add it, and then quietly remove it after we get the processed output back.
2087 if ($lang === 'php' && strpos($s, '<?php') !== 0) {
2088 $s = '<?php' . "\n" . $s;
2092 $renderer = new Text_Highlighter_Renderer_Html($options);
2093 $factory = new Text_Highlighter();
2094 $hl = $factory->factory($lang);
2095 $hl->setRenderer($renderer);
2096 $o = $hl->highlight($s);
2097 $o = str_replace("\n", '', $o);
2100 $b = substr($o, 0, strpos($o, '<li>'));
2101 $e = substr($o, strpos($o, '</li>'));
2105 return '<code>' . $o . '</code>';