3 * @file include/text.php
7 use Friendica\Content\ContactSelector;
8 use Friendica\Content\Feature;
9 use Friendica\Content\Smilies;
10 use Friendica\Core\Addon;
11 use Friendica\Core\Config;
12 use Friendica\Core\L10n;
13 use Friendica\Core\PConfig;
14 use Friendica\Core\System;
15 use Friendica\Database\DBM;
16 use Friendica\Model\Item;
17 use Friendica\Model\Profile;
18 use Friendica\Model\Term;
19 use Friendica\Util\DateTimeFormat;
20 use Friendica\Util\Map;
22 require_once "mod/proxy.php";
23 require_once "include/event.php";
24 require_once "include/conversation.php";
27 * This is our template processor
29 * @param string|FriendicaSmarty $s the string requiring macro substitution,
30 * or an instance of FriendicaSmarty
31 * @param array $r key value pairs (search => replace)
32 * @return string substituted string
34 function replace_macros($s, $r) {
36 $stamp1 = microtime(true);
40 // pass $baseurl to all templates
41 $r['$baseurl'] = System::baseUrl();
43 $t = $a->template_engine();
45 $output = $t->replaceMacros($s, $r);
46 } catch (Exception $e) {
47 echo "<pre><b>" . __FUNCTION__ . "</b>: " . $e->getMessage() . "</pre>";
51 $a->save_timestamp($stamp1, "rendering");
57 * @brief Generates a pseudo-random string of hexadecimal characters
62 function random_string($size = 64)
64 $byte_size = ceil($size / 2);
66 $bytes = random_bytes($byte_size);
68 $return = substr(bin2hex($bytes), 0, $size);
74 * This is our primary input filter.
76 * The high bit hack only involved some old IE browser, forget which (IE5/Mac?)
77 * that had an XSS attack vector due to stripping the high-bit on an 8-bit character
78 * after cleansing, and angle chars with the high bit set could get through as markup.
80 * This is now disabled because it was interfering with some legitimate unicode sequences
81 * and hopefully there aren't a lot of those browsers left.
83 * Use this on any text input where angle chars are not valid or permitted
84 * They will be replaced with safer brackets. This may be filtered further
85 * if these are not allowed either.
87 * @param string $string Input string
88 * @return string Filtered string
90 function notags($string) {
91 return str_replace(["<", ">"], ['[', ']'], $string);
93 // High-bit filter no longer used
94 // return str_replace(array("<",">","\xBA","\xBC","\xBE"), array('[',']','','',''), $string);
99 * use this on "body" or "content" input where angle chars shouldn't be removed,
100 * and allow them to be safely displayed.
101 * @param string $string
104 function escape_tags($string) {
105 return htmlspecialchars($string, ENT_COMPAT, 'UTF-8', false);
110 * generate a string that's random, but usually pronounceable.
111 * used to generate initial passwords
115 function autoname($len) {
121 $vowels = ['a','a','ai','au','e','e','e','ee','ea','i','ie','o','ou','u'];
122 if (mt_rand(0, 5) == 4) {
141 's','sc','sh','sm','sp','st',
149 $midcons = ['ck','ct','gn','ld','lf','lm','lt','mb','mm', 'mn','mp',
150 'nd','ng','nk','nt','rn','rp','rt'];
152 $noend = ['bl', 'br', 'cl','cr','dr','fl','fr','gl','gr',
153 'kh', 'kl','kr','mn','pl','pr','rh','tr','qu','wh'];
155 $start = mt_rand(0,2);
164 for ($x = 0; $x < $len; $x ++) {
165 $r = mt_rand(0,count($table) - 1);
168 if ($table == $vowels) {
169 $table = array_merge($cons,$midcons);
176 $word = substr($word,0,$len);
178 foreach ($noend as $noe) {
179 if ((strlen($word) > 2) && (substr($word, -2) == $noe)) {
180 $word = substr($word, 0, -1);
184 if (substr($word, -1) == 'q') {
185 $word = substr($word, 0, -1);
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 * Generate a guaranteed unique photo ID.
494 * safe from birthday paradox
498 function photo_new_resource() {
502 $resource = hash('md5',uniqid(mt_rand(),true));
503 $r = q("SELECT `id` FROM `photo` WHERE `resource-id` = '%s' LIMIT 1",
507 if (DBM::is_result($r)) {
510 } while ($found == true);
518 * wrapper to load a view template, checking for alternate
519 * languages before falling back to the default
521 * @global string $lang
523 * @param string $s view name
526 function load_view_file($s) {
528 if (! isset($lang)) {
533 if (file_exists("$d/$lang/$b")) {
534 $stamp1 = microtime(true);
535 $content = file_get_contents("$d/$lang/$b");
536 $a->save_timestamp($stamp1, "file");
540 $theme = current_theme();
542 if (file_exists("$d/theme/$theme/$b")) {
543 $stamp1 = microtime(true);
544 $content = file_get_contents("$d/theme/$theme/$b");
545 $a->save_timestamp($stamp1, "file");
549 $stamp1 = microtime(true);
550 $content = file_get_contents($s);
551 $a->save_timestamp($stamp1, "file");
557 * load a view template, checking for alternate
558 * languages before falling back to the default
560 * @global string $lang
561 * @param string $s view path
564 function get_intltext_template($s) {
569 if ($a->theme['template_engine'] === 'smarty3') {
570 $engine = "/smarty3";
573 if (! isset($lang)) {
577 if (file_exists("view/lang/$lang$engine/$s")) {
578 $stamp1 = microtime(true);
579 $content = file_get_contents("view/lang/$lang$engine/$s");
580 $a->save_timestamp($stamp1, "file");
582 } elseif (file_exists("view/lang/en$engine/$s")) {
583 $stamp1 = microtime(true);
584 $content = file_get_contents("view/lang/en$engine/$s");
585 $a->save_timestamp($stamp1, "file");
588 $stamp1 = microtime(true);
589 $content = file_get_contents("view$engine/$s");
590 $a->save_timestamp($stamp1, "file");
600 * @param string $root
603 function get_markup_template($s, $root = '') {
604 $stamp1 = microtime(true);
607 $t = $a->template_engine();
609 $template = $t->getTemplateFile($s, $root);
610 } catch (Exception $e) {
611 echo "<pre><b>" . __FUNCTION__ . "</b>: " . $e->getMessage() . "</pre>";
615 $a->save_timestamp($stamp1, "file");
621 * for html,xml parsing - let's say you've got
622 * an attribute foobar="class1 class2 class3"
623 * and you want to find out if it contains 'class3'.
624 * you can't use a normal sub string search because you
625 * might match 'notclass3' and a regex to do the job is
626 * possible but a bit complicated.
627 * pass the attribute string as $attr and the attribute you
628 * are looking for as $s - returns true if found, otherwise false
630 * @param string $attr attribute value
631 * @param string $s string to search
632 * @return boolean True if found, False otherwise
634 function attribute_contains($attr, $s) {
635 $a = explode(' ', $attr);
636 return (count($a) && in_array($s,$a));
640 /* setup int->string log level map */
644 * @brief Logs the given message at the given log level
647 * LOGGER_NORMAL (default)
654 * @global array $LOGGER_LEVELS
658 function logger($msg, $level = 0) {
660 global $LOGGER_LEVELS;
662 // turn off logger in install mode
664 $a->module == 'install'
670 $debugging = Config::get('system','debugging');
671 $logfile = Config::get('system','logfile');
672 $loglevel = intval(Config::get('system','loglevel'));
677 || $level > $loglevel
682 if (count($LOGGER_LEVELS) == 0) {
683 foreach (get_defined_constants() as $k => $v) {
684 if (substr($k, 0, 7) == "LOGGER_") {
685 $LOGGER_LEVELS[$v] = substr($k, 7, 7);
690 $process_id = session_id();
692 if ($process_id == '') {
693 $process_id = get_app()->process_id;
696 $callers = debug_backtrace();
697 $logline = sprintf("%s@%s\t[%s]:%s:%s:%s\t%s\n",
698 DateTimeFormat::utcNow(DateTimeFormat::ATOM),
700 $LOGGER_LEVELS[$level],
701 basename($callers[0]['file']),
703 $callers[1]['function'],
707 $stamp1 = microtime(true);
708 @file_put_contents($logfile, $logline, FILE_APPEND);
709 $a->save_timestamp($stamp1, "file");
713 * @brief An alternative logger for development.
714 * Works largely as logger() but allows developers
715 * to isolate particular elements they are targetting
716 * personally without background noise
719 * LOGGER_NORMAL (default)
726 * @global array $LOGGER_LEVELS
731 function dlogger($msg, $level = 0) {
734 // turn off logger in install mode
736 $a->module == 'install'
742 $logfile = Config::get('system', 'dlogfile');
747 $dlogip = Config::get('system', 'dlogip');
748 if (!is_null($dlogip) && $_SERVER['REMOTE_ADDR'] != $dlogip) {
752 if (count($LOGGER_LEVELS) == 0) {
753 foreach (get_defined_constants() as $k => $v) {
754 if (substr($k, 0, 7) == "LOGGER_") {
755 $LOGGER_LEVELS[$v] = substr($k, 7, 7);
760 $process_id = session_id();
762 if ($process_id == '') {
763 $process_id = get_app()->process_id;
766 $callers = debug_backtrace();
767 $logline = sprintf("%s@\t%s:\t%s:\t%s\t%s\t%s\n",
768 DateTimeFormat::utcNow(),
770 basename($callers[0]['file']),
772 $callers[1]['function'],
776 $stamp1 = microtime(true);
777 @file_put_contents($logfile, $logline, FILE_APPEND);
778 $a->save_timestamp($stamp1, "file");
783 * Compare activity uri. Knows about activity namespace.
785 * @param string $haystack
786 * @param string $needle
789 function activity_match($haystack,$needle) {
790 return (($haystack === $needle) || ((basename($needle) === $haystack) && strstr($needle, NAMESPACE_ACTIVITY_SCHEMA)));
795 * @brief Pull out all #hashtags and @person tags from $string.
797 * We also get @person@domain.com - which would make
798 * the regex quite complicated as tags can also
799 * end a sentence. So we'll run through our results
800 * and strip the period from any tags which end with one.
801 * Returns array of tags found, or empty array.
803 * @param string $string Post content
804 * @return array List of tag and person names
806 function get_tags($string) {
809 // Convert hashtag links to hashtags
810 $string = preg_replace('/#\[url\=([^\[\]]*)\](.*?)\[\/url\]/ism', '#$2', $string);
812 // ignore anything in a code block
813 $string = preg_replace('/\[code\](.*?)\[\/code\]/sm', '', $string);
815 // Force line feeds at bbtags
816 $string = str_replace(['[', ']'], ["\n[", "]\n"], $string);
818 // ignore anything in a bbtag
819 $string = preg_replace('/\[(.*?)\]/sm', '', $string);
821 // Match full names against @tags including the space between first and last
822 // We will look these up afterward to see if they are full names or not recognisable.
824 if (preg_match_all('/(@[^ \x0D\x0A,:?]+ [^ \x0D\x0A@,:?]+)([ \x0D\x0A@,:?]|$)/', $string, $matches)) {
825 foreach ($matches[1] as $match) {
826 if (strstr($match, ']')) {
827 // we might be inside a bbcode color tag - leave it alone
830 if (substr($match, -1, 1) === '.') {
831 $ret[] = substr($match, 0, -1);
838 // Otherwise pull out single word tags. These can be @nickname, @first_last
841 if (preg_match_all('/([!#@][^\^ \x0D\x0A,;:?]+)([ \x0D\x0A,;:?]|$)/', $string, $matches)) {
842 foreach ($matches[1] as $match) {
843 if (strstr($match, ']')) {
844 // we might be inside a bbcode color tag - leave it alone
847 if (substr($match, -1, 1) === '.') {
848 $match = substr($match,0,-1);
850 // ignore strictly numeric tags like #1
851 if ((strpos($match, '#') === 0) && ctype_digit(substr($match, 1))) {
854 // try not to catch url fragments
855 if (strpos($string, $match) && preg_match('/[a-zA-z0-9\/]/', substr($string, strpos($string, $match) - 1, 1))) {
866 * quick and dirty quoted_printable encoding
872 return str_replace("%", "=", rawurlencode($s));
877 * Get html for contact block.
879 * @template contact_block.tpl
880 * @hook contact_block_end (contacts=>array, output=>string)
883 function contact_block() {
887 $shown = PConfig::get($a->profile['uid'], 'system', 'display_friend_count', 24);
892 if (!is_array($a->profile) || $a->profile['hide-friends']) {
895 $r = q("SELECT COUNT(*) AS `total` FROM `contact`
896 WHERE `uid` = %d AND NOT `self` AND NOT `blocked`
897 AND NOT `pending` AND NOT `hidden` AND NOT `archive`
898 AND `network` IN ('%s', '%s', '%s')",
899 intval($a->profile['uid']),
901 dbesc(NETWORK_OSTATUS),
902 dbesc(NETWORK_DIASPORA)
904 if (DBM::is_result($r)) {
905 $total = intval($r[0]['total']);
908 $contacts = L10n::t('No contacts');
911 // Splitting the query in two parts makes it much faster
912 $r = q("SELECT `id` FROM `contact`
913 WHERE `uid` = %d AND NOT `self` AND NOT `blocked`
914 AND NOT `pending` AND NOT `hidden` AND NOT `archive`
915 AND `network` IN ('%s', '%s', '%s')
916 ORDER BY RAND() LIMIT %d",
917 intval($a->profile['uid']),
919 dbesc(NETWORK_OSTATUS),
920 dbesc(NETWORK_DIASPORA),
923 if (DBM::is_result($r)) {
925 foreach ($r AS $contact) {
926 $contacts[] = $contact["id"];
928 $r = q("SELECT `id`, `uid`, `addr`, `url`, `name`, `thumb`, `network` FROM `contact` WHERE `id` IN (%s)",
929 dbesc(implode(",", $contacts)));
931 if (DBM::is_result($r)) {
932 $contacts = L10n::tt('%d Contact', '%d Contacts', $total);
934 foreach ($r as $rr) {
935 $micropro[] = micropro($rr, true, 'mpfriend');
941 $tpl = get_markup_template('contact_block.tpl');
942 $o = replace_macros($tpl, [
943 '$contacts' => $contacts,
944 '$nickname' => $a->profile['nickname'],
945 '$viewcontacts' => L10n::t('View Contacts'),
946 '$micropro' => $micropro,
949 $arr = ['contacts' => $r, 'output' => $o];
951 Addon::callHooks('contact_block_end', $arr);
958 * @brief Format contacts as picture links or as texxt links
960 * @param array $contact Array with contacts which contains an array with
961 * int 'id' => The ID of the contact
962 * int 'uid' => The user ID of the user who owns this data
963 * string 'name' => The name of the contact
964 * string 'url' => The url to the profile page of the contact
965 * string 'addr' => The webbie of the contact (e.g.) username@friendica.com
966 * string 'network' => The network to which the contact belongs to
967 * string 'thumb' => The contact picture
968 * string 'click' => js code which is performed when clicking on the contact
969 * @param boolean $redirect If true try to use the redir url if it's possible
970 * @param string $class CSS class for the
971 * @param boolean $textmode If true display the contacts as text links
972 * if false display the contacts as picture links
974 * @return string Formatted html
976 function micropro($contact, $redirect = false, $class = '', $textmode = false) {
978 // Use the contact URL if no address is available
979 if (!x($contact, "addr")) {
980 $contact["addr"] = $contact["url"];
983 $url = $contact['url'];
988 $redirect_url = 'redir/' . $contact['id'];
989 if (local_user() && ($contact['uid'] == local_user()) && ($contact['network'] === NETWORK_DFRN)) {
991 $url = $redirect_url;
992 $sparkle = ' sparkle';
994 $url = Profile::zrl($url);
998 // If there is some js available we don't need the url
999 if (x($contact, 'click')) {
1003 return replace_macros(get_markup_template(($textmode)?'micropro_txt.tpl':'micropro_img.tpl'),[
1004 '$click' => defaults($contact, 'click', ''),
1007 '$photo' => proxy_url($contact['thumb'], false, PROXY_SIZE_THUMB),
1008 '$name' => $contact['name'],
1009 'title' => $contact['name'] . ' [' . $contact['addr'] . ']',
1010 '$parkle' => $sparkle,
1019 * @param string $s Search query.
1020 * @param string $id HTML id
1021 * @param string $url Search url.
1022 * @param bool $save Show save search button.
1023 * @param bool $aside Display the search widgit aside.
1025 * @return string Formatted HTML.
1027 function search($s, $id = 'search-box', $url = 'search', $save = false, $aside = true)
1031 if (strpos($s, '#') === 0) {
1034 $save_label = $mode === 'text' ? L10n::t('Save') : L10n::t('Follow');
1037 '$s' => htmlspecialchars($s),
1039 '$action_url' => $url,
1040 '$search_label' => L10n::t('Search'),
1041 '$save_label' => $save_label,
1042 '$savedsearch' => Feature::isEnabled(local_user(),'savedsearch'),
1043 '$search_hint' => L10n::t('@name, !forum, #tags, content'),
1048 $values['$searchoption'] = [
1049 L10n::t("Full Text"),
1051 L10n::t("Contacts")];
1053 if (Config::get('system','poco_local_search')) {
1054 $values['$searchoption'][] = L10n::t("Forums");
1058 return replace_macros(get_markup_template('searchbox.tpl'), $values);
1062 * @brief Check for a valid email string
1064 * @param string $email_address
1067 function valid_email($email_address)
1069 return preg_match('/^[_a-zA-Z0-9\-\+]+(\.[_a-zA-Z0-9\-\+]+)*@[a-zA-Z0-9-]+(\.[a-zA-Z0-9-]+)+$/', $email_address);
1074 * Replace naked text hyperlink with HTML formatted hyperlink
1078 function linkify($s) {
1079 $s = preg_replace("/(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\'\%\$\!\+]*)/", ' <a href="$1" target="_blank">$1</a>', $s);
1080 $s = preg_replace("/\<(.*?)(src|href)=(.*?)\&\;(.*?)\>/ism",'<$1$2=$3&$4>',$s);
1088 * @return array index is present tense verb
1089 value is array containing past tense verb, translation of present, translation of past
1090 * @hook poke_verbs pokes array
1092 function get_poke_verbs() {
1094 // index is present tense verb
1095 // value is array containing past tense verb, translation of present, translation of past
1098 'poke' => ['poked', L10n::t('poke'), L10n::t('poked')],
1099 'ping' => ['pinged', L10n::t('ping'), L10n::t('pinged')],
1100 'prod' => ['prodded', L10n::t('prod'), L10n::t('prodded')],
1101 'slap' => ['slapped', L10n::t('slap'), L10n::t('slapped')],
1102 'finger' => ['fingered', L10n::t('finger'), L10n::t('fingered')],
1103 'rebuff' => ['rebuffed', L10n::t('rebuff'), L10n::t('rebuffed')],
1105 Addon::callHooks('poke_verbs', $arr);
1110 * @brief Translate days and months names.
1112 * @param string $s String with day or month name.
1113 * @return string Translated string.
1115 function day_translate($s) {
1116 $ret = str_replace(['Monday','Tuesday','Wednesday','Thursday','Friday','Saturday','Sunday'],
1117 [L10n::t('Monday'), L10n::t('Tuesday'), L10n::t('Wednesday'), L10n::t('Thursday'), L10n::t('Friday'), L10n::t('Saturday'), L10n::t('Sunday')],
1120 $ret = str_replace(['January','February','March','April','May','June','July','August','September','October','November','December'],
1121 [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')],
1128 * @brief Translate short days and months names.
1130 * @param string $s String with short day or month name.
1131 * @return string Translated string.
1133 function day_short_translate($s) {
1134 $ret = str_replace(['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun'],
1135 [L10n::t('Mon'), L10n::t('Tue'), L10n::t('Wed'), L10n::t('Thu'), L10n::t('Fri'), L10n::t('Sat'), L10n::t('Sun')],
1137 $ret = str_replace(['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov','Dec'],
1138 [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')],
1147 * @param string $url
1150 function normalise_link($url) {
1151 $ret = str_replace(['https:', '//www.'], ['http:', '//'], $url);
1152 return rtrim($ret,'/');
1157 * Compare two URLs to see if they are the same, but ignore
1158 * slight but hopefully insignificant differences such as if one
1159 * is https and the other isn't, or if one is www.something and
1160 * the other isn't - and also ignore case differences.
1162 * @param string $a first url
1163 * @param string $b second url
1164 * @return boolean True if the URLs match, otherwise False
1167 function link_compare($a, $b) {
1168 return (strcasecmp(normalise_link($a), normalise_link($b)) === 0);
1173 * @brief Find any non-embedded images in private items and add redir links to them
1176 * @param array &$item The field array of an item row
1178 function redir_private_images($a, &$item)
1181 $cnt = preg_match_all('|\[img\](http[^\[]*?/photo/[a-fA-F0-9]+?(-[0-9]\.[\w]+?)?)\[\/img\]|', $item['body'], $matches, PREG_SET_ORDER);
1183 foreach ($matches as $mtch) {
1184 if (strpos($mtch[1], '/redir') !== false) {
1188 if ((local_user() == $item['uid']) && ($item['private'] != 0) && ($item['contact-id'] != $a->contact['id']) && ($item['network'] == NETWORK_DFRN)) {
1189 $img_url = 'redir?f=1&quiet=1&url=' . urlencode($mtch[1]) . '&conurl=' . urlencode($item['author-link']);
1190 $item['body'] = str_replace($mtch[0], '[img]' . $img_url . '[/img]', $item['body']);
1196 function put_item_in_cache(&$item, $update = false)
1198 $rendered_hash = defaults($item, 'rendered-hash', '');
1200 if ($rendered_hash == ''
1201 || $item["rendered-html"] == ""
1202 || $rendered_hash != hash("md5", $item["body"])
1203 || Config::get("system", "ignore_cache")
1205 // The function "redir_private_images" changes the body.
1206 // I'm not sure if we should store it permanently, so we save the old value.
1207 $body = $item["body"];
1210 redir_private_images($a, $item);
1212 $item["rendered-html"] = prepare_text($item["body"]);
1213 $item["rendered-hash"] = hash("md5", $item["body"]);
1214 $item["body"] = $body;
1216 if ($update && ($item["id"] > 0)) {
1217 dba::update('item', ['rendered-html' => $item["rendered-html"], 'rendered-hash' => $item["rendered-hash"]],
1218 ['id' => $item["id"]], false);
1224 * @brief Given an item array, convert the body element from bbcode to html and add smilie icons.
1225 * If attach is true, also add icons for item attachments.
1227 * @param array $item
1228 * @param boolean $attach
1229 * @return string item body html
1230 * @hook prepare_body_init item array before any work
1231 * @hook prepare_body ('item'=>item array, 'html'=>body string) after first bbcode to html
1232 * @hook prepare_body_final ('item'=>item array, 'html'=>body string) after attach icons and blockquote special case handling (spoiler, author)
1234 function prepare_body(&$item, $attach = false, $preview = false) {
1237 Addon::callHooks('prepare_body_init', $item);
1239 $searchpath = System::baseUrl() . "/search?tag=";
1245 // In order to provide theme developers more possibilities, event items
1246 // are treated differently.
1247 if ($item['object-type'] === ACTIVITY_OBJ_EVENT && isset($item['event-id'])) {
1248 $ev = format_event_item($item);
1252 if (!Config::get('system','suppress_tags')) {
1253 $taglist = dba::p("SELECT `type`, `term`, `url` FROM `term` WHERE `otype` = ? AND `oid` = ? AND `type` IN (?, ?) ORDER BY `tid`",
1254 intval(TERM_OBJ_POST), intval($item['id']), intval(TERM_HASHTAG), intval(TERM_MENTION));
1256 while ($tag = dba::fetch($taglist)) {
1257 if ($tag["url"] == "") {
1258 $tag["url"] = $searchpath.strtolower($tag["term"]);
1261 $orig_tag = $tag["url"];
1263 $tag["url"] = best_link_url($item, $sp, $tag["url"]);
1265 if ($tag["type"] == TERM_HASHTAG) {
1266 if ($orig_tag != $tag["url"]) {
1267 $item['body'] = str_replace($orig_tag, $tag["url"], $item['body']);
1269 $hashtags[] = "#<a href=\"".$tag["url"]."\" target=\"_blank\">".$tag["term"]."</a>";
1271 } elseif ($tag["type"] == TERM_MENTION) {
1272 $mentions[] = "@<a href=\"".$tag["url"]."\" target=\"_blank\">".$tag["term"]."</a>";
1275 $tags[] = $prefix."<a href=\"".$tag["url"]."\" target=\"_blank\">".$tag["term"]."</a>";
1277 dba::close($taglist);
1280 $item['tags'] = $tags;
1281 $item['hashtags'] = $hashtags;
1282 $item['mentions'] = $mentions;
1284 // Update the cached values if there is no "zrl=..." on the links.
1285 $update = (!local_user() && !remote_user() && ($item["uid"] == 0));
1287 // Or update it if the current viewer is the intented viewer.
1288 if (($item["uid"] == local_user()) && ($item["uid"] != 0)) {
1292 put_item_in_cache($item, $update);
1293 $s = $item["rendered-html"];
1295 $prep_arr = ['item' => $item, 'html' => $s, 'preview' => $preview];
1296 Addon::callHooks('prepare_body', $prep_arr);
1297 $s = $prep_arr['html'];
1300 // Replace the blockquotes with quotes that are used in mails.
1301 $mailquote = '<blockquote type="cite" class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">';
1302 $s = str_replace(['<blockquote>', '<blockquote class="spoiler">', '<blockquote class="author">'], [$mailquote, $mailquote, $mailquote], $s);
1308 $arr = explode('[/attach],', $item['attach']);
1310 foreach ($arr as $r) {
1313 $cnt = preg_match_all('|\[attach\]href=\"(.*?)\" length=\"(.*?)\" type=\"(.*?)\" title=\"(.*?)\"|',$r ,$matches, PREG_SET_ORDER);
1315 foreach ($matches as $mtch) {
1318 if ((local_user() == $item['uid']) && ($item['contact-id'] != $a->contact['id']) && ($item['network'] == NETWORK_DFRN)) {
1319 $the_url = 'redir/' . $item['contact-id'] . '?f=1&url=' . $mtch[1];
1321 $the_url = $mtch[1];
1324 if (strpos($mime, 'video') !== false) {
1327 $a->page['htmlhead'] .= replace_macros(get_markup_template('videos_head.tpl'), [
1328 '$baseurl' => System::baseUrl(),
1330 $a->page['end'] .= replace_macros(get_markup_template('videos_end.tpl'), [
1331 '$baseurl' => System::baseUrl(),
1335 $id = end(explode('/', $the_url));
1336 $as .= replace_macros(get_markup_template('video_top.tpl'), [
1339 'title' => L10n::t('View Video'),
1346 $filetype = strtolower(substr($mime, 0, strpos($mime, '/')));
1348 $filesubtype = strtolower(substr($mime, strpos($mime, '/') + 1));
1349 $filesubtype = str_replace('.', '-', $filesubtype);
1352 $filesubtype = 'unkn';
1355 $title = ((strlen(trim($mtch[4]))) ? escape_tags(trim($mtch[4])) : escape_tags($mtch[1]));
1356 $title .= ' ' . $mtch[2] . ' ' . L10n::t('bytes');
1358 $icon = '<div class="attachtype icon s22 type-' . $filetype . ' subtype-' . $filesubtype . '"></div>';
1359 $as .= '<a href="' . strip_tags($the_url) . '" title="' . $title . '" class="attachlink" target="_blank" >' . $icon . '</a>';
1365 $s .= '<div class="body-attach">'.$as.'<div class="clear"></div></div>';
1369 if (strpos($s, '<div class="map">') !== false && x($item, 'coord')) {
1370 $x = Map::byCoordinates(trim($item['coord']));
1372 $s = preg_replace('/\<div class\=\"map\"\>/', '$0' . $x, $s);
1377 // Look for spoiler.
1378 $spoilersearch = '<blockquote class="spoiler">';
1380 // Remove line breaks before the spoiler.
1381 while ((strpos($s, "\n" . $spoilersearch) !== false)) {
1382 $s = str_replace("\n" . $spoilersearch, $spoilersearch, $s);
1384 while ((strpos($s, "<br />" . $spoilersearch) !== false)) {
1385 $s = str_replace("<br />" . $spoilersearch, $spoilersearch, $s);
1388 while ((strpos($s, $spoilersearch) !== false)) {
1389 $pos = strpos($s, $spoilersearch);
1390 $rnd = random_string(8);
1391 $spoilerreplace = '<br /> <span id="spoiler-wrap-' . $rnd . '" class="spoiler-wrap fakelink" onclick="openClose(\'spoiler-' . $rnd . '\');">' . L10n::t('Click to open/close') . '</span>'.
1392 '<blockquote class="spoiler" id="spoiler-' . $rnd . '" style="display: none;">';
1393 $s = substr($s, 0, $pos) . $spoilerreplace . substr($s, $pos + strlen($spoilersearch));
1396 // Look for quote with author.
1397 $authorsearch = '<blockquote class="author">';
1399 while ((strpos($s, $authorsearch) !== false)) {
1400 $pos = strpos($s, $authorsearch);
1401 $rnd = random_string(8);
1402 $authorreplace = '<br /> <span id="author-wrap-' . $rnd . '" class="author-wrap fakelink" onclick="openClose(\'author-' . $rnd . '\');">' . L10n::t('Click to open/close') . '</span>'.
1403 '<blockquote class="author" id="author-' . $rnd . '" style="display: block;">';
1404 $s = substr($s, 0, $pos) . $authorreplace . substr($s, $pos + strlen($authorsearch));
1407 // Replace friendica image url size with theme preference.
1408 if (x($a->theme_info, 'item_image_size')){
1409 $ps = $a->theme_info['item_image_size'];
1410 $s = preg_replace('|(<img[^>]+src="[^"]+/photo/[0-9a-f]+)-[0-9]|', "$1-" . $ps, $s);
1413 $prep_arr = ['item' => $item, 'html' => $s];
1414 Addon::callHooks('prepare_body_final', $prep_arr);
1416 return $prep_arr['html'];
1420 * @brief Given a text string, convert from bbcode to html and add smilie icons.
1422 * @param string $text String with bbcode.
1423 * @return string Formattet HTML.
1425 function prepare_text($text) {
1427 require_once 'include/bbcode.php';
1429 if (stristr($text, '[nosmile]')) {
1432 $s = Smilies::replace(bbcode($text));
1439 * return array with details for categories and folders for an item
1441 * @param array $item
1445 * [ // categories array
1447 * 'name': 'category name',
1448 * 'removeurl': 'url to remove this category',
1449 * 'first': 'is the first in this array? true/false',
1450 * 'last': 'is the last in this array? true/false',
1456 * 'name': 'folder name',
1457 * 'removeurl': 'url to remove this folder',
1458 * 'first': 'is the first in this array? true/false',
1459 * 'last': 'is the last in this array? true/false',
1465 function get_cats_and_terms($item)
1472 $cnt = preg_match_all('/<(.*?)>/', $item['file'], $matches, PREG_SET_ORDER);
1474 foreach ($matches as $mtch) {
1476 'name' => xmlify(file_tag_decode($mtch[1])),
1478 'removeurl' => ((local_user() == $item['uid'])?'filerm/' . $item['id'] . '?f=&cat=' . xmlify(file_tag_decode($mtch[1])):""),
1486 if (count($categories)) {
1487 $categories[count($categories) - 1]['last'] = true;
1490 if (local_user() == $item['uid']) {
1493 $cnt = preg_match_all('/\[(.*?)\]/', $item['file'], $matches, PREG_SET_ORDER);
1495 foreach ($matches as $mtch) {
1497 'name' => xmlify(file_tag_decode($mtch[1])),
1499 'removeurl' => ((local_user() == $item['uid']) ? 'filerm/' . $item['id'] . '?f=&term=' . xmlify(file_tag_decode($mtch[1])) : ""),
1508 if (count($folders)) {
1509 $folders[count($folders) - 1]['last'] = true;
1512 return [$categories, $folders];
1517 * get private link for item
1518 * @param array $item
1519 * @return boolean|array False if item has not plink, otherwise array('href'=>plink url, 'title'=>translated title)
1521 function get_plink($item) {
1524 if ($a->user['nickname'] != "") {
1526 //'href' => "display/" . $a->user['nickname'] . "/" . $item['id'],
1527 'href' => "display/" . $item['guid'],
1528 'orig' => "display/" . $item['guid'],
1529 'title' => L10n::t('View on separate page'),
1530 'orig_title' => L10n::t('view on separate page'),
1533 if (x($item, 'plink')) {
1534 $ret["href"] = $a->remove_baseurl($item['plink']);
1535 $ret["title"] = L10n::t('link to source');
1538 } elseif (x($item, 'plink') && ($item['private'] != 1)) {
1540 'href' => $item['plink'],
1541 'orig' => $item['plink'],
1542 'title' => L10n::t('link to source'),
1553 * replace html amp entity with amp char
1557 function unamp($s) {
1558 return str_replace('&', '&', $s);
1563 * return number of bytes in size (K, M, G)
1564 * @param string $size_str
1567 function return_bytes($size_str) {
1568 switch (substr ($size_str, -1)) {
1569 case 'M': case 'm': return (int)$size_str * 1048576;
1570 case 'K': case 'k': return (int)$size_str * 1024;
1571 case 'G': case 'g': return (int)$size_str * 1073741824;
1572 default: return $size_str;
1580 function generate_user_guid() {
1583 $guid = get_guid(32);
1584 $x = q("SELECT `uid` FROM `user` WHERE `guid` = '%s' LIMIT 1",
1587 if (! DBM::is_result($x)) {
1590 } while ($found == true);
1598 * @param boolean $strip_padding
1601 function base64url_encode($s, $strip_padding = false) {
1603 $s = strtr(base64_encode($s), '+/', '-_');
1605 if ($strip_padding) {
1606 $s = str_replace('=','',$s);
1616 function base64url_decode($s) {
1619 logger('base64url_decode: illegal input: ' . print_r(debug_backtrace(), true));
1624 * // Placeholder for new rev of salmon which strips base64 padding.
1625 * // PHP base64_decode handles the un-padded input without requiring this step
1626 * // Uncomment if you find you need it.
1629 * if (! strpos($s,'=')) {
1639 return base64_decode(strtr($s,'-_','+/'));
1644 * return div element with class 'clear'
1648 function cleardiv() {
1649 return '<div class="clear"></div>';
1653 function bb_translate_video($s) {
1656 $r = preg_match_all("/\[video\](.*?)\[\/video\]/ism",$s,$matches,PREG_SET_ORDER);
1658 foreach ($matches as $mtch) {
1659 if ((stristr($mtch[1],'youtube')) || (stristr($mtch[1],'youtu.be')))
1660 $s = str_replace($mtch[0],'[youtube]' . $mtch[1] . '[/youtube]',$s);
1661 elseif (stristr($mtch[1],'vimeo'))
1662 $s = str_replace($mtch[0],'[vimeo]' . $mtch[1] . '[/vimeo]',$s);
1668 function html2bb_video($s) {
1670 $s = preg_replace('#<object[^>]+>(.*?)https?://www.youtube.com/((?:v|cp)/[A-Za-z0-9\-_=]+)(.*?)</object>#ism',
1671 '[youtube]$2[/youtube]', $s);
1673 $s = preg_replace('#<iframe[^>](.*?)https?://www.youtube.com/embed/([A-Za-z0-9\-_=]+)(.*?)</iframe>#ism',
1674 '[youtube]$2[/youtube]', $s);
1676 $s = preg_replace('#<iframe[^>](.*?)https?://player.vimeo.com/video/([0-9]+)(.*?)</iframe>#ism',
1677 '[vimeo]$2[/vimeo]', $s);
1683 * apply xmlify() to all values of array $val, recursively
1687 function array_xmlify($val){
1688 if (is_bool($val)) {
1689 return $val?"true":"false";
1690 } elseif (is_array($val)) {
1691 return array_map('array_xmlify', $val);
1693 return xmlify((string) $val);
1698 * transform link href and img src from relative to absolute
1700 * @param string $text
1701 * @param string $base base url
1704 function reltoabs($text, $base) {
1709 $base = rtrim($base,'/');
1711 $base2 = $base . "/";
1714 $pattern = "/<a([^>]*) href=\"(?!http|https|\/)([^\"]*)\"/";
1715 $replace = "<a\${1} href=\"" . $base2 . "\${2}\"";
1716 $text = preg_replace($pattern, $replace, $text);
1718 $pattern = "/<a([^>]*) href=\"(?!http|https)([^\"]*)\"/";
1719 $replace = "<a\${1} href=\"" . $base . "\${2}\"";
1720 $text = preg_replace($pattern, $replace, $text);
1723 $pattern = "/<img([^>]*) src=\"(?!http|https|\/)([^\"]*)\"/";
1724 $replace = "<img\${1} src=\"" . $base2 . "\${2}\"";
1725 $text = preg_replace($pattern, $replace, $text);
1727 $pattern = "/<img([^>]*) src=\"(?!http|https)([^\"]*)\"/";
1728 $replace = "<img\${1} src=\"" . $base . "\${2}\"";
1729 $text = preg_replace($pattern, $replace, $text);
1737 * get translated item type
1739 * @param array $itme
1742 function item_post_type($item) {
1743 if (intval($item['event-id'])) {
1744 return L10n::t('event');
1745 } elseif (strlen($item['resource-id'])) {
1746 return L10n::t('photo');
1747 } elseif (strlen($item['verb']) && $item['verb'] !== ACTIVITY_POST) {
1748 return L10n::t('activity');
1749 } elseif ($item['id'] != $item['parent']) {
1750 return L10n::t('comment');
1753 return L10n::t('post');
1756 // post categories and "save to file" use the same item.file table for storage.
1757 // We will differentiate the different uses by wrapping categories in angle brackets
1758 // and save to file categories in square brackets.
1759 // To do this we need to escape these characters if they appear in our tag.
1761 function file_tag_encode($s) {
1762 return str_replace(['<','>','[',']'],['%3c','%3e','%5b','%5d'],$s);
1765 function file_tag_decode($s) {
1766 return str_replace(['%3c', '%3e', '%5b', '%5d'], ['<', '>', '[', ']'], $s);
1769 function file_tag_file_query($table,$s,$type = 'file') {
1771 if ($type == 'file') {
1772 $str = preg_quote('[' . str_replace('%', '%%', file_tag_encode($s)) . ']');
1774 $str = preg_quote('<' . str_replace('%', '%%', file_tag_encode($s)) . '>');
1776 return " AND " . (($table) ? dbesc($table) . '.' : '') . "file regexp '" . dbesc($str) . "' ";
1779 // ex. given music,video return <music><video> or [music][video]
1780 function file_tag_list_to_file($list,$type = 'file') {
1782 if (strlen($list)) {
1783 $list_array = explode(",",$list);
1784 if ($type == 'file') {
1792 foreach ($list_array as $item) {
1793 if (strlen($item)) {
1794 $tag_list .= $lbracket . file_tag_encode(trim($item)) . $rbracket;
1801 // ex. given <music><video>[friends], return music,video or friends
1802 function file_tag_file_to_list($file,$type = 'file') {
1805 if ($type == 'file') {
1806 $cnt = preg_match_all('/\[(.*?)\]/', $file, $matches, PREG_SET_ORDER);
1808 $cnt = preg_match_all('/<(.*?)>/', $file, $matches, PREG_SET_ORDER);
1811 foreach ($matches as $mtch) {
1812 if (strlen($list)) {
1815 $list .= file_tag_decode($mtch[1]);
1822 function file_tag_update_pconfig($uid, $file_old, $file_new, $type = 'file') {
1823 // $file_old - categories previously associated with an item
1824 // $file_new - new list of categories for an item
1826 if (!intval($uid)) {
1829 if ($file_old == $file_new) {
1833 $saved = PConfig::get($uid, 'system', 'filetags');
1834 if (strlen($saved)) {
1835 if ($type == 'file') {
1838 $termtype = TERM_FILE;
1842 $termtype = TERM_CATEGORY;
1845 $filetags_updated = $saved;
1847 // check for new tags to be added as filetags in pconfig
1849 $check_new_tags = explode(",",file_tag_file_to_list($file_new,$type));
1851 foreach ($check_new_tags as $tag) {
1852 if (! stristr($saved,$lbracket . file_tag_encode($tag) . $rbracket))
1856 $filetags_updated .= file_tag_list_to_file(implode(",",$new_tags),$type);
1858 // check for deleted tags to be removed from filetags in pconfig
1860 $check_deleted_tags = explode(",",file_tag_file_to_list($file_old,$type));
1862 foreach ($check_deleted_tags as $tag) {
1863 if (! stristr($file_new,$lbracket . file_tag_encode($tag) . $rbracket))
1864 $deleted_tags[] = $tag;
1867 foreach ($deleted_tags as $key => $tag) {
1868 $r = q("SELECT `oid` FROM `term` WHERE `term` = '%s' AND `otype` = %d AND `type` = %d AND `uid` = %d",
1870 intval(TERM_OBJ_POST),
1874 if (DBM::is_result($r)) {
1875 unset($deleted_tags[$key]);
1877 $filetags_updated = str_replace($lbracket . file_tag_encode($tag) . $rbracket,'',$filetags_updated);
1881 if ($saved != $filetags_updated) {
1882 PConfig::set($uid, 'system', 'filetags', $filetags_updated);
1885 } elseif (strlen($file_new)) {
1886 PConfig::set($uid, 'system', 'filetags', $file_new);
1891 function file_tag_save_file($uid, $item, $file)
1893 if (! intval($uid)) {
1897 $r = q("SELECT `file` FROM `item` WHERE `id` = %d AND `uid` = %d LIMIT 1",
1901 if (DBM::is_result($r)) {
1902 if (!stristr($r[0]['file'],'[' . file_tag_encode($file) . ']')) {
1903 $fields = ['file' => $r[0]['file'] . '[' . file_tag_encode($file) . ']'];
1904 Item::update($fields, ['id' => $item]);
1906 $saved = PConfig::get($uid, 'system', 'filetags');
1907 if (!strlen($saved) || !stristr($saved, '[' . file_tag_encode($file) . ']')) {
1908 PConfig::set($uid, 'system', 'filetags', $saved . '[' . file_tag_encode($file) . ']');
1910 info(L10n::t('Item filed'));
1915 function file_tag_unsave_file($uid, $item, $file, $cat = false)
1917 if (! intval($uid)) {
1922 $pattern = '<' . file_tag_encode($file) . '>' ;
1923 $termtype = TERM_CATEGORY;
1925 $pattern = '[' . file_tag_encode($file) . ']' ;
1926 $termtype = TERM_FILE;
1929 $r = q("SELECT `file` FROM `item` WHERE `id` = %d AND `uid` = %d LIMIT 1",
1933 if (! DBM::is_result($r)) {
1937 $fields = ['file' => str_replace($pattern,'',$r[0]['file'])];
1938 Item::update($fields, ['id' => $item]);
1940 $r = q("SELECT `oid` FROM `term` WHERE `term` = '%s' AND `otype` = %d AND `type` = %d AND `uid` = %d",
1942 intval(TERM_OBJ_POST),
1946 if (!DBM::is_result($r)) {
1947 $saved = PConfig::get($uid, 'system', 'filetags');
1948 PConfig::set($uid, 'system', 'filetags', str_replace($pattern, '', $saved));
1954 function normalise_openid($s) {
1955 return trim(str_replace(['http://', 'https://'], ['', ''], $s), '/');
1959 function undo_post_tagging($s) {
1961 $cnt = preg_match_all('/([!#@])\[url=(.*?)\](.*?)\[\/url\]/ism', $s, $matches, PREG_SET_ORDER);
1963 foreach ($matches as $mtch) {
1964 $s = str_replace($mtch[0], $mtch[1] . $mtch[3],$s);
1970 function protect_sprintf($s) {
1971 return str_replace('%', '%%', $s);
1975 function is_a_date_arg($s) {
1979 if ($i <= $y + 1 && strpos($s, '-') == 4) {
1980 $m = intval(substr($s,5));
1981 if ($m > 0 && $m <= 12)
1989 * remove intentation from a text
1991 function deindent($text, $chr = "[\t ]", $count = NULL) {
1992 $lines = explode("\n", $text);
1993 if (is_null($count)) {
1996 while ($k < count($lines) && strlen($lines[$k]) == 0) {
1999 preg_match("|^" . $chr . "*|", $lines[$k], $m);
2000 $count = strlen($m[0]);
2002 for ($k = 0; $k < count($lines); $k++) {
2003 $lines[$k] = preg_replace("|^" . $chr . "{" . $count . "}|", "", $lines[$k]);
2006 return implode("\n", $lines);
2009 function formatBytes($bytes, $precision = 2) {
2010 $units = ['B', 'KB', 'MB', 'GB', 'TB'];
2012 $bytes = max($bytes, 0);
2013 $pow = floor(($bytes ? log($bytes) : 0) / log(1024));
2014 $pow = min($pow, count($units) - 1);
2016 $bytes /= pow(1024, $pow);
2018 return round($bytes, $precision) . ' ' . $units[$pow];
2022 * @brief translate and format the networkname of a contact
2024 * @param string $network
2025 * Networkname of the contact (e.g. dfrn, rss and so on)
2030 function format_network_name($network, $url = 0) {
2031 if ($network != "") {
2033 $network_name = '<a href="'.$url.'">'.ContactSelector::networkToName($network, $url)."</a>";
2035 $network_name = ContactSelector::networkToName($network);
2038 return $network_name;
2043 * @brief Syntax based code highlighting for popular languages.
2044 * @param string $s Code block
2045 * @param string $lang Programming language
2046 * @return string Formated html
2048 function text_highlight($s, $lang) {
2049 if ($lang === 'js') {
2050 $lang = 'javascript';
2053 // @TODO: Replace Text_Highlighter_Renderer_Html by scrivo/highlight.php
2055 // Autoload the library to make constants available
2056 class_exists('Text_Highlighter_Renderer_Html');
2059 'numbers' => HL_NUMBERS_LI,
2064 $s = trim(html_entity_decode($s, ENT_COMPAT));
2065 $s = str_replace(' ', "\t", $s);
2068 * The highlighter library insists on an opening php tag for php code blocks. If
2069 * it isn't present, nothing is highlighted. So we're going to see if it's present.
2070 * If not, we'll add it, and then quietly remove it after we get the processed output back.
2072 if ($lang === 'php' && strpos($s, '<?php') !== 0) {
2073 $s = '<?php' . "\n" . $s;
2077 $renderer = new Text_Highlighter_Renderer_Html($options);
2078 $factory = new Text_Highlighter();
2079 $hl = $factory->factory($lang);
2080 $hl->setRenderer($renderer);
2081 $o = $hl->highlight($s);
2082 $o = str_replace("\n", '', $o);
2085 $b = substr($o, 0, strpos($o, '<li>'));
2086 $e = substr($o, strpos($o, '</li>'));
2090 return '<code>' . $o . '</code>';