3 // This is our template processor.
4 // $s is the string requiring macro substitution.
5 // $r is an array of key value pairs (search => replace)
6 // returns substituted string.
7 // WARNING: this is pretty basic, and doesn't properly handle search strings that are substrings of each other.
8 // For instance if 'test' => "foo" and 'testing' => "bar", testing could become either bar or fooing,
9 // depending on the order in which they were declared in the array.
11 require_once("include/template_processor.php");
13 if(! function_exists('replace_macros')) {
14 function replace_macros($s,$r) {
18 $r = $t->replace($s,$r);
19 //$tt = microtime() - $ts;
22 //$a->page['debug'] .= "$tt <br>\n";
23 return template_unescape($r);
28 // random string, there are 86 characters max in text mode, 128 for hex
31 define('RANDOM_STRING_HEX', 0x00 );
32 define('RANDOM_STRING_TEXT', 0x01 );
34 if(! function_exists('random_string')) {
35 function random_string($size = 64,$type = RANDOM_STRING_HEX) {
36 // generate a bit of entropy and run it through the whirlpool
37 $s = hash('whirlpool', (string) rand() . uniqid(rand(),true) . (string) rand(),(($type == RANDOM_STRING_TEXT) ? true : false));
38 $s = (($type == RANDOM_STRING_TEXT) ? str_replace("\n","",base64url_encode($s,true)) : $s);
39 return(substr($s,0,$size));
43 * This is our primary input filter.
45 * The high bit hack only involved some old IE browser, forget which (IE5/Mac?)
46 * that had an XSS attack vector due to stripping the high-bit on an 8-bit character
47 * after cleansing, and angle chars with the high bit set could get through as markup.
49 * This is now disabled because it was interfering with some legitimate unicode sequences
50 * and hopefully there aren't a lot of those browsers left.
52 * Use this on any text input where angle chars are not valid or permitted
53 * They will be replaced with safer brackets. This may be filtered further
54 * if these are not allowed either.
58 if(! function_exists('notags')) {
59 function notags($string) {
61 return(str_replace(array("<",">"), array('[',']'), $string));
63 // High-bit filter no longer used
64 // return(str_replace(array("<",">","\xBA","\xBC","\xBE"), array('[',']','','',''), $string));
67 // use this on "body" or "content" input where angle chars shouldn't be removed,
68 // and allow them to be safely displayed.
70 if(! function_exists('escape_tags')) {
71 function escape_tags($string) {
73 return(htmlspecialchars($string, ENT_COMPAT, 'UTF-8', false));
77 // generate a string that's random, but usually pronounceable.
78 // used to generate initial passwords
80 if(! function_exists('autoname')) {
81 function autoname($len) {
86 $vowels = array('a','a','ai','au','e','e','e','ee','ea','i','ie','o','ou','u');
105 's','sc','sh','sm','sp','st',
113 $midcons = array('ck','ct','gn','ld','lf','lm','lt','mb','mm', 'mn','mp',
114 'nd','ng','nk','nt','rn','rp','rt');
116 $noend = array('bl', 'br', 'cl','cr','dr','fl','fr','gl','gr',
117 'kh', 'kl','kr','mn','pl','pr','rh','tr','qu','wh');
119 $start = mt_rand(0,2);
127 for ($x = 0; $x < $len; $x ++) {
128 $r = mt_rand(0,count($table) - 1);
131 if($table == $vowels)
132 $table = array_merge($cons,$midcons);
138 $word = substr($word,0,$len);
140 foreach($noend as $noe) {
141 if((strlen($word) > 2) && (substr($word,-2) == $noe)) {
142 $word = substr($word,0,-1);
146 if(substr($word,-1) == 'q')
147 $word = substr($word,0,-1);
152 // escape text ($str) for XML transport
153 // returns escaped text.
155 if(! function_exists('xmlify')) {
156 function xmlify($str) {
159 for($x = 0; $x < mb_strlen($str); $x ++) {
189 $buffer = trim($buffer);
194 // pass xml escaped text ($s), returns unescaped text
196 if(! function_exists('unxmlify')) {
197 function unxmlify($s) {
198 $ret = str_replace('&','&', $s);
199 $ret = str_replace(array('<','>','"','''),array('<','>','"',"'"),$ret);
203 // convenience wrapper, reverse the operation "bin2hex"
205 if(! function_exists('hex2bin')) {
206 function hex2bin($s) {
207 if(! (is_string($s) && strlen($s)))
210 if(! ctype_xdigit($s)) {
214 return(pack("H*",$s));
217 // Automatic pagination.
218 // To use, get the count of total items.
219 // Then call $a->set_pager_total($number_items);
220 // Optionally call $a->set_pager_itemspage($n) to the number of items to display on each page
221 // Then call paginate($a) after the end of the display loop to insert the pager block on the page
222 // (assuming there are enough items to paginate).
223 // When using with SQL, the setting LIMIT %d, %d => $a->pager['start'],$a->pager['itemspage']
224 // will limit the results to the correct items for the current page.
225 // The actual page handling is then accomplished at the application layer.
227 if(! function_exists('paginate')) {
228 function paginate(&$a) {
230 $stripped = preg_replace('/(&page=[0-9]*)/','',$a->query_string);
232 // $stripped = preg_replace('/&zrl=(.*?)([\?&]|$)/ism','',$stripped);
234 $stripped = str_replace('q=','',$stripped);
235 $stripped = trim($stripped,'/');
236 $pagenum = $a->pager['page'];
237 $url = $a->get_baseurl() . '/' . $stripped;
240 if($a->pager['total'] > $a->pager['itemspage']) {
241 $o .= '<div class="pager">';
242 if($a->pager['page'] != 1)
243 $o .= '<span class="pager_prev">'."<a href=\"$url".'&page='.($a->pager['page'] - 1).'">' . t('prev') . '</a></span> ';
245 $o .= "<span class=\"pager_first\"><a href=\"$url"."&page=1\">" . t('first') . "</a></span> ";
247 $numpages = $a->pager['total'] / $a->pager['itemspage'];
250 $numstop = $numpages;
253 $numstart = (($pagenum > 7) ? ($pagenum - 7) : 1);
254 $numstop = (($pagenum > ($numpages - 7)) ? $numpages : ($numstart + 14));
257 for($i = $numstart; $i <= $numstop; $i++){
258 if($i == $a->pager['page'])
259 $o .= '<span class="pager_current">'.(($i < 10) ? ' '.$i : $i);
261 $o .= "<span class=\"pager_n\"><a href=\"$url"."&page=$i\">".(($i < 10) ? ' '.$i : $i)."</a>";
265 if(($a->pager['total'] % $a->pager['itemspage']) != 0) {
266 if($i == $a->pager['page'])
267 $o .= '<span class="pager_current">'.(($i < 10) ? ' '.$i : $i);
269 $o .= "<span class=\"pager_n\"><a href=\"$url"."&page=$i\">".(($i < 10) ? ' '.$i : $i)."</a>";
273 $lastpage = (($numpages > intval($numpages)) ? intval($numpages)+1 : $numpages);
274 $o .= "<span class=\"pager_last\"><a href=\"$url"."&page=$lastpage\">" . t('last') . "</a></span> ";
276 if(($a->pager['total'] - ($a->pager['itemspage'] * $a->pager['page'])) > 0)
277 $o .= '<span class="pager_next">'."<a href=\"$url"."&page=".($a->pager['page'] + 1).'">' . t('next') . '</a></span>';
278 $o .= '</div>'."\r\n";
283 if(! function_exists('alt_pager')) {
284 function alt_pager(&$a, $i) {
286 $stripped = preg_replace('/(&page=[0-9]*)/','',$a->query_string);
287 $stripped = str_replace('q=','',$stripped);
288 $stripped = trim($stripped,'/');
289 $pagenum = $a->pager['page'];
290 $url = $a->get_baseurl() . '/' . $stripped;
292 $o .= '<div class="pager">';
294 if($a->pager['page']>1)
295 $o .= "<a href=\"$url"."&page=".($a->pager['page'] - 1).'">' . t('newer') . '</a>';
297 if($a->pager['page']>1)
298 $o .= " - ";
299 $o .= "<a href=\"$url"."&page=".($a->pager['page'] + 1).'">' . t('older') . '</a>';
303 $o .= '</div>'."\r\n";
308 // Turn user/group ACLs stored as angle bracketed text into arrays
310 if(! function_exists('expand_acl')) {
311 function expand_acl($s) {
312 // turn string array of angle-bracketed elements into numeric array
313 // e.g. "<1><2><3>" => array(1,2,3);
317 $t = str_replace('<','',$s);
318 $a = explode('>',$t);
321 $ret[] = intval($aa);
327 // Used to wrap ACL elements in angle brackets for storage
329 if(! function_exists('sanitise_acl')) {
330 function sanitise_acl(&$item) {
332 $item = '<' . intval(notags(trim($item))) . '>';
338 // Convert an ACL array to a storable string
339 // Normally ACL permissions will be an array.
340 // We'll also allow a comma-separated string.
342 if(! function_exists('perms2str')) {
343 function perms2str($p) {
349 $tmp = explode(',',$p);
352 array_walk($tmp,'sanitise_acl');
353 $ret = implode('',$tmp);
358 // generate a guaranteed unique (for this domain) item ID for ATOM
359 // safe from birthday paradox
361 if(! function_exists('item_new_uri')) {
362 function item_new_uri($hostname,$uid) {
366 $hash = random_string();
368 $uri = "urn:X-dfrn:" . $hostname . ':' . $uid . ':' . $hash;
370 $r = q("SELECT `id` FROM `item` WHERE `uri` = '%s' LIMIT 1",
374 } while($dups == true);
378 // Generate a guaranteed unique photo ID.
379 // safe from birthday paradox
381 if(! function_exists('photo_new_resource')) {
382 function photo_new_resource() {
386 $resource = hash('md5',uniqid(mt_rand(),true));
387 $r = q("SELECT `id` FROM `photo` WHERE `resource-id` = '%s' LIMIT 1",
392 } while($found == true);
397 // wrapper to load a view template, checking for alternate
398 // languages before falling back to the default
400 // obsolete, deprecated.
402 if(! function_exists('load_view_file')) {
403 function load_view_file($s) {
409 if(file_exists("$d/$lang/$b"))
410 return file_get_contents("$d/$lang/$b");
412 $theme = current_theme();
414 if(file_exists("$d/theme/$theme/$b"))
415 return file_get_contents("$d/theme/$theme/$b");
417 return file_get_contents($s);
420 if(! function_exists('get_intltext_template')) {
421 function get_intltext_template($s) {
427 if(file_exists("view/$lang/$s"))
428 return file_get_contents("view/$lang/$s");
429 elseif(file_exists("view/en/$s"))
430 return file_get_contents("view/en/$s");
432 return file_get_contents("view/$s");
435 if(! function_exists('get_markup_template')) {
436 function get_markup_template($s) {
438 $theme = current_theme();
440 if(file_exists("view/theme/$theme/$s"))
441 return file_get_contents("view/theme/$theme/$s");
442 elseif (x($a->theme_info,"extends") && file_exists("view/theme/".$a->theme_info["extends"]."/$s"))
443 return file_get_contents("view/theme/".$a->theme_info["extends"]."/$s");
445 return file_get_contents("view/$s");
453 // for html,xml parsing - let's say you've got
454 // an attribute foobar="class1 class2 class3"
455 // and you want to find out if it contains 'class3'.
456 // you can't use a normal sub string search because you
457 // might match 'notclass3' and a regex to do the job is
458 // possible but a bit complicated.
459 // pass the attribute string as $attr and the attribute you
460 // are looking for as $s - returns true if found, otherwise false
462 if(! function_exists('attribute_contains')) {
463 function attribute_contains($attr,$s) {
464 $a = explode(' ', $attr);
465 if(count($a) && in_array($s,$a))
470 if(! function_exists('logger')) {
471 function logger($msg,$level = 0) {
472 // turn off logger in install mode
476 if(($a->module == 'install') || (! ($db && $db->connected))) return;
478 $debugging = get_config('system','debugging');
479 $loglevel = intval(get_config('system','loglevel'));
480 $logfile = get_config('system','logfile');
482 if((! $debugging) || (! $logfile) || ($level > $loglevel))
485 @file_put_contents($logfile, datetime_convert() . ':' . session_id() . ' ' . $msg . "\n", FILE_APPEND);
490 if(! function_exists('activity_match')) {
491 function activity_match($haystack,$needle) {
492 if(($haystack === $needle) || ((basename($needle) === $haystack) && strstr($needle,NAMESPACE_ACTIVITY_SCHEMA)))
498 // Pull out all #hashtags and @person tags from $s;
499 // We also get @person@domain.com - which would make
500 // the regex quite complicated as tags can also
501 // end a sentence. So we'll run through our results
502 // and strip the period from any tags which end with one.
503 // Returns array of tags found, or empty array.
506 if(! function_exists('get_tags')) {
507 function get_tags($s) {
510 // ignore anything in a code block
512 $s = preg_replace('/\[code\](.*?)\[\/code\]/sm','',$s);
514 // ignore anything in a bbtag
516 $s = preg_replace('/\[(.*?)\]/sm','',$s);
518 // Match full names against @tags including the space between first and last
519 // We will look these up afterward to see if they are full names or not recognisable.
521 if(preg_match_all('/(@[^ \x0D\x0A,:?]+ [^ \x0D\x0A@,:?]+)([ \x0D\x0A@,:?]|$)/',$s,$match)) {
522 foreach($match[1] as $mtch) {
523 if(strstr($mtch,"]")) {
524 // we might be inside a bbcode color tag - leave it alone
527 if(substr($mtch,-1,1) === '.')
528 $ret[] = substr($mtch,0,-1);
534 // Otherwise pull out single word tags. These can be @nickname, @first_last
537 if(preg_match_all('/([@#][^ \x0D\x0A,;:?]+)([ \x0D\x0A,;:?]|$)/',$s,$match)) {
538 foreach($match[1] as $mtch) {
539 if(strstr($mtch,"]")) {
540 // we might be inside a bbcode color tag - leave it alone
543 if(substr($mtch,-1,1) === '.')
544 $mtch = substr($mtch,0,-1);
545 // ignore strictly numeric tags like #1
546 if((strpos($mtch,'#') === 0) && ctype_digit(substr($mtch,1)))
548 // try not to catch url fragments
549 if(strpos($s,$mtch) && preg_match('/[a-zA-z0-9\/]/',substr($s,strpos($s,$mtch)-1,1)))
558 // quick and dirty quoted_printable encoding
560 if(! function_exists('qp')) {
562 return str_replace ("%","=",rawurlencode($s));
567 if(! function_exists('get_mentions')) {
568 function get_mentions($item) {
570 if(! strlen($item['tag']))
573 $arr = explode(',',$item['tag']);
574 foreach($arr as $x) {
576 if(preg_match('/@\[url=([^\]]*)\]/',$x,$matches)) {
577 $o .= "\t\t" . '<link rel="mentioned" href="' . $matches[1] . '" />' . "\r\n";
578 $o .= "\t\t" . '<link rel="ostatus:attention" href="' . $matches[1] . '" />' . "\r\n";
584 if(! function_exists('contact_block')) {
585 function contact_block() {
589 $shown = get_pconfig($a->profile['uid'],'system','display_friend_count');
595 if((! is_array($a->profile)) || ($a->profile['hide-friends']))
597 $r = q("SELECT COUNT(*) AS `total` FROM `contact` WHERE `uid` = %d AND `self` = 0 AND `blocked` = 0 and `pending` = 0 AND `hidden` = 0 AND `archive` = 0",
598 intval($a->profile['uid'])
601 $total = intval($r[0]['total']);
604 $contacts = t('No contacts');
608 $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 0 AND `blocked` = 0 and `pending` = 0 AND `hidden` = 0 AND `archive` = 0 ORDER BY RAND() LIMIT %d",
609 intval($a->profile['uid']),
613 $contacts = sprintf( tt('%d Contact','%d Contacts', $total),$total);
616 $micropro[] = micropro($rr,true,'mpfriend');
621 $tpl = get_markup_template('contact_block.tpl');
622 $o = replace_macros($tpl, array(
623 '$contacts' => $contacts,
624 '$nickname' => $a->profile['nickname'],
625 '$viewcontacts' => t('View Contacts'),
626 '$micropro' => $micropro,
629 $arr = array('contacts' => $r, 'output' => $o);
631 call_hooks('contact_block_end', $arr);
636 if(! function_exists('micropro')) {
637 function micropro($contact, $redirect = false, $class = '', $textmode = false) {
640 $class = ' ' . $class;
642 $url = $contact['url'];
648 $redirect_url = $a->get_baseurl() . '/redir/' . $contact['id'];
649 if(local_user() && ($contact['uid'] == local_user()) && ($contact['network'] === 'dfrn')) {
651 $url = $redirect_url;
652 $sparkle = ' sparkle';
657 $click = ((x($contact,'click')) ? ' onclick="' . $contact['click'] . '" ' : '');
661 return '<div class="contact-block-textdiv' . $class . '"><a class="contact-block-link' . $class . $sparkle
662 . (($click) ? ' fakelink' : '') . '" '
663 . (($redir) ? ' target="redir" ' : '')
664 . (($url) ? ' href="' . $url . '"' : '') . $click
665 . '" title="' . $contact['name'] . ' [' . $contact['url'] . ']" alt="' . $contact['name']
666 . '" >'. $contact['name'] . '</a></div>' . "\r\n";
669 return '<div class="contact-block-div' . $class . '"><a class="contact-block-link' . $class . $sparkle
670 . (($click) ? ' fakelink' : '') . '" '
671 . (($redir) ? ' target="redir" ' : '')
672 . (($url) ? ' href="' . $url . '"' : '') . $click . ' ><img class="contact-block-img' . $class . $sparkle . '" src="'
673 . $contact['micro'] . '" title="' . $contact['name'] . ' [' . $contact['url'] . ']" alt="' . $contact['name']
674 . '" /></a></div>' . "\r\n";
680 if(! function_exists('search')) {
681 function search($s,$id='search-box',$url='/search',$save = false) {
683 $o = '<div id="' . $id . '">';
684 $o .= '<form action="' . $a->get_baseurl((stristr($url,'network')) ? true : false) . $url . '" method="get" >';
685 $o .= '<input type="text" name="search" id="search-text" placeholder="' . t('Search') . '" value="' . $s .'" />';
686 $o .= '<input type="submit" name="submit" id="search-submit" value="' . t('Search') . '" />';
688 $o .= '<input type="submit" name="save" id="search-save" value="' . t('Save') . '" />';
689 $o .= '</form></div>';
693 if(! function_exists('valid_email')) {
694 function valid_email($x){
696 if(get_config('system','disable_email_validation'))
699 if(preg_match('/^[_a-zA-Z0-9\-\+]+(\.[_a-zA-Z0-9\-\+]+)*@[a-zA-Z0-9-]+(\.[a-zA-Z0-9-]+)+$/',$x))
709 * Replace naked text hyperlink with HTML formatted hyperlink
713 if(! function_exists('linkify')) {
714 function linkify($s) {
715 $s = preg_replace("/(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\'\%\$\!\+]*)/", ' <a href="$1" target="external-link">$1</a>', $s);
716 $s = preg_replace("/\<(.*?)(src|href)=(.*?)\&\;(.*?)\>/ism",'<$1$2=$3&$4>',$s);
720 function get_poke_verbs() {
722 // index is present tense verb
723 // value is array containing past tense verb, translation of present, translation of past
726 'poke' => array( 'poked', t('poke'), t('poked')),
727 'ping' => array( 'pinged', t('ping'), t('pinged')),
728 'prod' => array( 'prodded', t('prod'), t('prodded')),
729 'slap' => array( 'slapped', t('slap'), t('slapped')),
730 'finger' => array( 'fingered', t('finger'), t('fingered')),
731 'rebuff' => array( 'rebuffed', t('rebuff'), t('rebuffed')),
733 call_hooks('poke_verbs', $arr);
737 function get_mood_verbs() {
739 // index is present tense verb
740 // value is array containing past tense verb, translation of present, translation of past
743 'happy' => t('happy'),
745 'mellow' => t('mellow'),
746 'tired' => t('tired'),
747 'perky' => t('perky'),
748 'angry' => t('angry'),
749 'stupefied' => t('stupified'),
750 'puzzled' => t('puzzled'),
751 'interested' => t('interested'),
752 'bitter' => t('bitter'),
753 'cheerful' => t('cheerful'),
754 'alive' => t('alive'),
755 'annoyed' => t('annoyed'),
756 'anxious' => t('anxious'),
757 'cranky' => t('cranky'),
758 'disturbed' => t('disturbed'),
759 'frustrated' => t('frustrated'),
760 'motivated' => t('motivated'),
761 'relaxed' => t('relaxed'),
762 'surprised' => t('surprised'),
765 call_hooks('mood_verbs', $arr);
775 * Replaces text emoticons with graphical images
777 * @Parameter: string $s
781 * It is expected that this function will be called using HTML text.
782 * We will escape text between HTML pre and code blocks from being
785 * At a higher level, the bbcode [nosmile] tag can be used to prevent this
786 * function from being executed by the prepare_text() routine when preparing
787 * bbcode source for HTML display
791 if(! function_exists('smilies')) {
792 function smilies($s, $sample = false) {
796 if(intval(get_config('system','no_smilies'))
797 || (local_user() && intval(get_pconfig(local_user(),'system','no_smilies'))))
800 $s = preg_replace_callback('/<pre>(.*?)<\/pre>/ism','smile_encode',$s);
801 $s = preg_replace_callback('/<code>(.*?)<\/code>/ism','smile_encode',$s);
841 '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-heart.gif" alt="<3" />',
842 '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-brokenheart.gif" alt="</3" />',
843 '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-brokenheart.gif" alt="<\\3" />',
844 '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-smile.gif" alt=":-)" />',
845 '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-wink.gif" alt=";-)" />',
846 '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-frown.gif" alt=":-(" />',
847 '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-tongue-out.gif" alt=":-P" />',
848 '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-tongue-out.gif" alt=":-p" />',
849 '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-kiss.gif" alt=":-\"" />',
850 '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-kiss.gif" alt=":-\"" />',
851 '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-kiss.gif" alt=":-x" />',
852 '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-kiss.gif" alt=":-X" />',
853 '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-laughing.gif" alt=":-D" />',
854 '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-surprised.gif" alt="8-|" />',
855 '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-surprised.gif" alt="8-O" />',
856 '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-surprised.gif" alt=":-O" />',
857 '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-thumbsup.gif" alt="\\o/" />',
858 '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-Oo.gif" alt="o.O" />',
859 '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-Oo.gif" alt="O.o" />',
860 '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-Oo.gif" alt="o_O" />',
861 '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-Oo.gif" alt="O_o" />',
862 '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-cry.gif" alt=":\'(" />',
863 '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-foot-in-mouth.gif" alt=":-!" />',
864 '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-undecided.gif" alt=":-/" />',
865 '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-embarassed.gif" alt=":-[" />',
866 '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-cool.gif" alt="8-)" />',
867 '<img class="smiley" src="' . $a->get_baseurl() . '/images/beer_mug.gif" alt=":beer" />',
868 '<img class="smiley" src="' . $a->get_baseurl() . '/images/beer_mug.gif" alt=":homebrew" />',
869 '<img class="smiley" src="' . $a->get_baseurl() . '/images/coffee.gif" alt=":coffee" />',
870 '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-facepalm.gif" alt=":facepalm" />',
871 '<img class="smiley" src="' . $a->get_baseurl() . '/images/like.gif" alt=":like" />',
872 '<img class="smiley" src="' . $a->get_baseurl() . '/images/dislike.gif" alt=":dislike" />',
873 '<a href="http://friendica.com">~friendica <img class="smiley" src="' . $a->get_baseurl() . '/images/friendica-16.png" alt="~friendica" /></a>'
876 $params = array('texts' => $texts, 'icons' => $icons, 'string' => $s);
877 call_hooks('smilie', $params);
880 $s = '<div class="smiley-sample">';
881 for($x = 0; $x < count($params['texts']); $x ++) {
882 $s .= '<dl><dt>' . $params['texts'][$x] . '</dt><dd>' . $params['icons'][$x] . '</dd></dl>';
886 $params['string'] = preg_replace_callback('/<(3+)/','preg_heart',$params['string']);
887 $s = str_replace($params['texts'],$params['icons'],$params['string']);
890 $s = preg_replace_callback('/<pre>(.*?)<\/pre>/ism','smile_decode',$s);
891 $s = preg_replace_callback('/<code>(.*?)<\/code>/ism','smile_decode',$s);
897 function smile_encode($m) {
898 return(str_replace($m[1],base64url_encode($m[1]),$m[0]));
901 function smile_decode($m) {
902 return(str_replace($m[1],base64url_decode($m[1]),$m[0]));
905 // expand <3333 to the correct number of hearts
907 function preg_heart($x) {
909 if(strlen($x[1]) == 1)
912 for($cnt = 0; $cnt < strlen($x[1]); $cnt ++)
913 $t .= '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-heart.gif" alt="<3" />';
914 $r = str_replace($x[0],$t,$x[0]);
919 if(! function_exists('day_translate')) {
920 function day_translate($s) {
921 $ret = str_replace(array('Monday','Tuesday','Wednesday','Thursday','Friday','Saturday','Sunday'),
922 array( t('Monday'), t('Tuesday'), t('Wednesday'), t('Thursday'), t('Friday'), t('Saturday'), t('Sunday')),
925 $ret = str_replace(array('January','February','March','April','May','June','July','August','September','October','November','December'),
926 array( t('January'), t('February'), t('March'), t('April'), t('May'), t('June'), t('July'), t('August'), t('September'), t('October'), t('November'), t('December')),
933 if(! function_exists('normalise_link')) {
934 function normalise_link($url) {
935 $ret = str_replace(array('https:','//www.'), array('http:','//'), $url);
936 return(rtrim($ret,'/'));
941 * Compare two URLs to see if they are the same, but ignore
942 * slight but hopefully insignificant differences such as if one
943 * is https and the other isn't, or if one is www.something and
944 * the other isn't - and also ignore case differences.
946 * Return true if the URLs match, otherwise false.
950 if(! function_exists('link_compare')) {
951 function link_compare($a,$b) {
952 if(strcasecmp(normalise_link($a),normalise_link($b)) === 0)
957 // Given an item array, convert the body element from bbcode to html and add smilie icons.
958 // If attach is true, also add icons for item attachments
961 if(! function_exists('prepare_body')) {
962 function prepare_body($item,$attach = false) {
965 call_hooks('prepare_body_init', $item);
967 $cache = get_config('system','itemcache');
969 if (($cache != '')) {
970 $cachefile = $cache."/".$item["guid"]."-".strtotime($item["edited"])."-".hash("crc32", $item['body']);
972 if (file_exists($cachefile))
973 $s = file_get_contents($cachefile);
975 $s = prepare_text($item['body']);
976 file_put_contents($cachefile, $s);
979 $s = prepare_text($item['body']);
982 $prep_arr = array('item' => $item, 'html' => $s);
983 call_hooks('prepare_body', $prep_arr);
984 $s = $prep_arr['html'];
990 $arr = explode(',',$item['attach']);
992 $s .= '<div class="body-attach">';
993 foreach($arr as $r) {
996 $cnt = preg_match_all('|\[attach\]href=\"(.*?)\" length=\"(.*?)\" type=\"(.*?)\" title=\"(.*?)\"\[\/attach\]|',$r,$matches, PREG_SET_ORDER);
998 foreach($matches as $mtch) {
999 $icontype = strtolower(substr($mtch[3],0,strpos($mtch[3],'/')));
1005 $icon = '<div class="attachtype icon s22 type-' . $icontype . '"></div>';
1008 $icon = '<div class="attachtype icon s22 type-unkn"></div>';
1011 $title = ((strlen(trim($mtch[4]))) ? escape_tags(trim($mtch[4])) : escape_tags($mtch[1]));
1012 $title .= ' ' . $mtch[2] . ' ' . t('bytes');
1013 if((local_user() == $item['uid']) && ($item['contact-id'] != $a->contact['id']) && ($item['network'] == NETWORK_DFRN))
1014 $the_url = $a->get_baseurl() . '/redir/' . $item['contact-id'] . '?f=1&url=' . $mtch[1];
1016 $the_url = $mtch[1];
1018 $s .= '<a href="' . strip_tags($the_url) . '" title="' . $title . '" class="attachlink" target="external-link" >' . $icon . '</a>';
1022 $s .= '<div class="clear"></div></div>';
1027 $spoilersearch = '<blockquote class="spoiler">';
1029 // Remove line breaks before the spoiler
1030 while ((strpos($s, "\n".$spoilersearch) !== false))
1031 $s = str_replace("\n".$spoilersearch, $spoilersearch, $s);
1032 while ((strpos($s, "<br />".$spoilersearch) !== false))
1033 $s = str_replace("<br />".$spoilersearch, $spoilersearch, $s);
1035 while ((strpos($s, $spoilersearch) !== false)) {
1037 $pos = strpos($s, $spoilersearch);
1038 $rnd = random_string(8);
1039 $spoilerreplace = '<br /> <span id="spoiler-wrap-'.$rnd.'" style="white-space:nowrap;" class="fakelink" onclick="openClose(\'spoiler-'.$rnd.'\');">'.sprintf(t('Click to open/close')).'</span>'.
1040 '<blockquote class="spoiler" id="spoiler-'.$rnd.'" style="display: none;">';
1041 $s = substr($s, 0, $pos).$spoilerreplace.substr($s, $pos+strlen($spoilersearch));
1044 // Look for quote with author
1045 $authorsearch = '<blockquote class="author">';
1047 while ((strpos($s, $authorsearch) !== false)) {
1049 $pos = strpos($s, $authorsearch);
1050 $rnd = random_string(8);
1051 $authorreplace = '<br /> <span id="author-wrap-'.$rnd.'" style="white-space:nowrap;" class="fakelink" onclick="openClose(\'author-'.$rnd.'\');">'.sprintf(t('Click to open/close')).'</span>'.
1052 '<blockquote class="author" id="author-'.$rnd.'" style="display: block;">';
1053 $s = substr($s, 0, $pos).$authorreplace.substr($s, $pos+strlen($authorsearch));
1056 $prep_arr = array('item' => $item, 'html' => $s);
1057 call_hooks('prepare_body_final', $prep_arr);
1059 return $prep_arr['html'];
1063 // Given a text string, convert from bbcode to html and add smilie icons.
1065 if(! function_exists('prepare_text')) {
1066 function prepare_text($text) {
1068 require_once('include/bbcode.php');
1070 if(stristr($text,'[nosmile]'))
1073 $s = smilies(bbcode($text));
1084 * 'name': 'category name',
1085 * 'removeurl': 'url to remove this category',
1086 * 'first': 'is the first in this array? true/false',
1087 * 'last': 'is the last in this array? true/false',
1092 * 'name': 'folder name',
1093 * 'removeurl': 'url to remove this folder',
1094 * 'first': 'is the first in this array? true/false',
1095 * 'last': 'is the last in this array? true/false',
1101 function get_cats_and_terms($item) {
1103 $categories = array();
1106 $matches = false; $first = true;
1107 $cnt = preg_match_all('/<(.*?)>/',$item['file'],$matches,PREG_SET_ORDER);
1109 foreach($matches as $mtch) {
1110 $categories[] = array(
1111 'name' => xmlify(file_tag_decode($mtch[1])),
1113 'removeurl' => ((local_user() == $item['uid'])?$a->get_baseurl() . '/filerm/' . $item['id'] . '?f=&cat=' . xmlify(file_tag_decode($mtch[1])):""),
1120 if (count($categories)) $categories[count($categories)-1]['last'] = true;
1123 if(local_user() == $item['uid']) {
1124 $matches = false; $first = true;
1125 $cnt = preg_match_all('/\[(.*?)\]/',$item['file'],$matches,PREG_SET_ORDER);
1127 foreach($matches as $mtch) {
1129 'name' => xmlify(file_tag_decode($mtch[1])),
1131 'removeurl' => ((local_user() == $item['uid'])?$a->get_baseurl() . '/filerm/' . $item['id'] . '?f=&term=' . xmlify(file_tag_decode($mtch[1])):""),
1140 if (count($folders)) $folders[count($folders)-1]['last'] = true;
1142 return array($categories, $folders);
1147 * return atom link elements for all of our hubs
1150 if(! function_exists('feed_hublinks')) {
1151 function feed_hublinks() {
1153 $hub = get_config('system','huburl');
1157 $hubs = explode(',', $hub);
1159 foreach($hubs as $h) {
1163 $hubxml .= '<link rel="hub" href="' . xmlify($h) . '" />' . "\n" ;
1170 /* return atom link elements for salmon endpoints */
1172 if(! function_exists('feed_salmonlinks')) {
1173 function feed_salmonlinks($nick) {
1177 $salmon = '<link rel="salmon" href="' . xmlify($a->get_baseurl() . '/salmon/' . $nick) . '" />' . "\n" ;
1179 // old style links that status.net still needed as of 12/2010
1181 $salmon .= ' <link rel="http://salmon-protocol.org/ns/salmon-replies" href="' . xmlify($a->get_baseurl() . '/salmon/' . $nick) . '" />' . "\n" ;
1182 $salmon .= ' <link rel="http://salmon-protocol.org/ns/salmon-mention" href="' . xmlify($a->get_baseurl() . '/salmon/' . $nick) . '" />' . "\n" ;
1186 if(! function_exists('get_plink')) {
1187 function get_plink($item) {
1189 if (x($item,'plink') && ($item['private'] != 1)) {
1191 'href' => $item['plink'],
1192 'title' => t('link to source'),
1200 if(! function_exists('unamp')) {
1201 function unamp($s) {
1202 return str_replace('&', '&', $s);
1208 if(! function_exists('lang_selector')) {
1209 function lang_selector() {
1212 $langs = glob('view/*/strings.php');
1214 $lang_options = array();
1217 if(is_array($langs) && count($langs)) {
1219 if(! in_array('view/en/strings.php',$langs))
1220 $langs[] = 'view/en/';
1222 foreach($langs as $l) {
1224 $lang_options[""] = t('default');
1228 $ll = substr($ll,0,strrpos($ll,'/'));
1229 $selected = (($ll === $lang && (x($_SESSION, 'language'))) ? $ll : $selected);
1230 $lang_options[$ll]=$ll;
1234 $tpl = get_markup_template("lang_selector.tpl");
1235 $o = replace_macros($tpl, array(
1236 '$title' => t('Select an alternate language'),
1237 '$langs' => array($lang_options, $selected),
1244 if(! function_exists('return_bytes')) {
1245 function return_bytes ($size_str) {
1246 switch (substr ($size_str, -1))
1248 case 'M': case 'm': return (int)$size_str * 1048576;
1249 case 'K': case 'k': return (int)$size_str * 1024;
1250 case 'G': case 'g': return (int)$size_str * 1073741824;
1251 default: return $size_str;
1255 function generate_user_guid() {
1258 $guid = random_string(16);
1259 $x = q("SELECT `uid` FROM `user` WHERE `guid` = '%s' LIMIT 1",
1264 } while ($found == true );
1270 function base64url_encode($s, $strip_padding = false) {
1272 $s = strtr(base64_encode($s),'+/','-_');
1275 $s = str_replace('=','',$s);
1280 function base64url_decode($s) {
1283 logger('base64url_decode: illegal input: ' . print_r(debug_backtrace(), true));
1288 * // Placeholder for new rev of salmon which strips base64 padding.
1289 * // PHP base64_decode handles the un-padded input without requiring this step
1290 * // Uncomment if you find you need it.
1293 * if(! strpos($s,'=')) {
1303 return base64_decode(strtr($s,'-_','+/'));
1307 if (!function_exists('str_getcsv')) {
1308 function str_getcsv($input, $delimiter = ',', $enclosure = '"', $escape = '\\', $eol = '\n') {
1309 if (is_string($input) && !empty($input)) {
1311 $tmp = preg_split("/".$eol."/",$input);
1312 if (is_array($tmp) && !empty($tmp)) {
1313 while (list($line_num, $line) = each($tmp)) {
1314 if (preg_match("/".$escape.$enclosure."/",$line)) {
1315 while ($strlen = strlen($line)) {
1316 $pos_delimiter = strpos($line,$delimiter);
1317 $pos_enclosure_start = strpos($line,$enclosure);
1319 is_int($pos_delimiter) && is_int($pos_enclosure_start)
1320 && ($pos_enclosure_start < $pos_delimiter)
1322 $enclosed_str = substr($line,1);
1323 $pos_enclosure_end = strpos($enclosed_str,$enclosure);
1324 $enclosed_str = substr($enclosed_str,0,$pos_enclosure_end);
1325 $output[$line_num][] = $enclosed_str;
1326 $offset = $pos_enclosure_end+3;
1328 if (empty($pos_delimiter) && empty($pos_enclosure_start)) {
1329 $output[$line_num][] = substr($line,0);
1330 $offset = strlen($line);
1332 $output[$line_num][] = substr($line,0,$pos_delimiter);
1334 !empty($pos_enclosure_start)
1335 && ($pos_enclosure_start < $pos_delimiter)
1337 ?$pos_enclosure_start
1341 $line = substr($line,$offset);
1344 $line = preg_split("/".$delimiter."/",$line);
1347 * Validating against pesky extra line breaks creating false rows.
1349 if (is_array($line) && !empty($line[0])) {
1350 $output[$line_num] = $line;
1364 function cleardiv() {
1365 return '<div class="clear"></div>';
1369 function bb_translate_video($s) {
1372 $r = preg_match_all("/\[video\](.*?)\[\/video\]/ism",$s,$matches,PREG_SET_ORDER);
1374 foreach($matches as $mtch) {
1375 if((stristr($mtch[1],'youtube')) || (stristr($mtch[1],'youtu.be')))
1376 $s = str_replace($mtch[0],'[youtube]' . $mtch[1] . '[/youtube]',$s);
1377 elseif(stristr($mtch[1],'vimeo'))
1378 $s = str_replace($mtch[0],'[vimeo]' . $mtch[1] . '[/vimeo]',$s);
1384 function html2bb_video($s) {
1386 $s = preg_replace('#<object[^>]+>(.*?)https?://www.youtube.com/((?:v|cp)/[A-Za-z0-9\-_=]+)(.*?)</object>#ism',
1387 '[youtube]$2[/youtube]', $s);
1389 $s = preg_replace('#<iframe[^>](.*?)https?://www.youtube.com/embed/([A-Za-z0-9\-_=]+)(.*?)</iframe>#ism',
1390 '[youtube]$2[/youtube]', $s);
1392 $s = preg_replace('#<iframe[^>](.*?)https?://player.vimeo.com/video/([0-9]+)(.*?)</iframe>#ism',
1393 '[vimeo]$2[/vimeo]', $s);
1399 * apply xmlify() to all values of array $val, recursively
1401 function array_xmlify($val){
1402 if (is_bool($val)) return $val?"true":"false";
1403 if (is_array($val)) return array_map('array_xmlify', $val);
1404 return xmlify((string) $val);
1408 function reltoabs($text, $base)
1413 $base = rtrim($base,'/');
1415 $base2 = $base . "/";
1418 $pattern = "/<a([^>]*) href=\"(?!http|https|\/)([^\"]*)\"/";
1419 $replace = "<a\${1} href=\"" . $base2 . "\${2}\"";
1420 $text = preg_replace($pattern, $replace, $text);
1422 $pattern = "/<a([^>]*) href=\"(?!http|https)([^\"]*)\"/";
1423 $replace = "<a\${1} href=\"" . $base . "\${2}\"";
1424 $text = preg_replace($pattern, $replace, $text);
1427 $pattern = "/<img([^>]*) src=\"(?!http|https|\/)([^\"]*)\"/";
1428 $replace = "<img\${1} src=\"" . $base2 . "\${2}\"";
1429 $text = preg_replace($pattern, $replace, $text);
1431 $pattern = "/<img([^>]*) src=\"(?!http|https)([^\"]*)\"/";
1432 $replace = "<img\${1} src=\"" . $base . "\${2}\"";
1433 $text = preg_replace($pattern, $replace, $text);
1440 function item_post_type($item) {
1441 if(intval($item['event-id']))
1443 if(strlen($item['resource-id']))
1445 if(strlen($item['verb']) && $item['verb'] !== ACTIVITY_POST)
1446 return t('activity');
1447 if($item['id'] != $item['parent'])
1448 return t('comment');
1452 // post categories and "save to file" use the same item.file table for storage.
1453 // We will differentiate the different uses by wrapping categories in angle brackets
1454 // and save to file categories in square brackets.
1455 // To do this we need to escape these characters if they appear in our tag.
1457 function file_tag_encode($s) {
1458 return str_replace(array('<','>','[',']'),array('%3c','%3e','%5b','%5d'),$s);
1461 function file_tag_decode($s) {
1462 return str_replace(array('%3c','%3e','%5b','%5d'),array('<','>','[',']'),$s);
1465 function file_tag_file_query($table,$s,$type = 'file') {
1468 $str = preg_quote( '[' . str_replace('%','%%',file_tag_encode($s)) . ']' );
1470 $str = preg_quote( '<' . str_replace('%','%%',file_tag_encode($s)) . '>' );
1471 return " AND " . (($table) ? dbesc($table) . '.' : '') . "file regexp '" . dbesc($str) . "' ";
1474 // ex. given music,video return <music><video> or [music][video]
1475 function file_tag_list_to_file($list,$type = 'file') {
1478 $list_array = explode(",",$list);
1479 if($type == 'file') {
1488 foreach($list_array as $item) {
1490 $tag_list .= $lbracket . file_tag_encode(trim($item)) . $rbracket;
1497 // ex. given <music><video>[friends], return music,video or friends
1498 function file_tag_file_to_list($file,$type = 'file') {
1501 if($type == 'file') {
1502 $cnt = preg_match_all('/\[(.*?)\]/',$file,$matches,PREG_SET_ORDER);
1505 $cnt = preg_match_all('/<(.*?)>/',$file,$matches,PREG_SET_ORDER);
1508 foreach($matches as $mtch) {
1511 $list .= file_tag_decode($mtch[1]);
1518 function file_tag_update_pconfig($uid,$file_old,$file_new,$type = 'file') {
1519 // $file_old - categories previously associated with an item
1520 // $file_new - new list of categories for an item
1525 if($file_old == $file_new)
1528 $saved = get_pconfig($uid,'system','filetags');
1529 if(strlen($saved)) {
1530 if($type == 'file') {
1539 $filetags_updated = $saved;
1541 // check for new tags to be added as filetags in pconfig
1542 $new_tags = array();
1543 $check_new_tags = explode(",",file_tag_file_to_list($file_new,$type));
1545 foreach($check_new_tags as $tag) {
1546 if(! stristr($saved,$lbracket . file_tag_encode($tag) . $rbracket))
1550 $filetags_updated .= file_tag_list_to_file(implode(",",$new_tags),$type);
1552 // check for deleted tags to be removed from filetags in pconfig
1553 $deleted_tags = array();
1554 $check_deleted_tags = explode(",",file_tag_file_to_list($file_old,$type));
1556 foreach($check_deleted_tags as $tag) {
1557 if(! stristr($file_new,$lbracket . file_tag_encode($tag) . $rbracket))
1558 $deleted_tags[] = $tag;
1561 foreach($deleted_tags as $key => $tag) {
1562 $r = q("select file from item where uid = %d " . file_tag_file_query('item',$tag,$type),
1567 unset($deleted_tags[$key]);
1570 $filetags_updated = str_replace($lbracket . file_tag_encode($tag) . $rbracket,'',$filetags_updated);
1574 if($saved != $filetags_updated) {
1575 set_pconfig($uid,'system','filetags', $filetags_updated);
1580 if(strlen($file_new)) {
1581 set_pconfig($uid,'system','filetags', $file_new);
1586 function file_tag_save_file($uid,$item,$file) {
1590 $r = q("select file from item where id = %d and uid = %d limit 1",
1595 if(! stristr($r[0]['file'],'[' . file_tag_encode($file) . ']'))
1596 q("update item set file = '%s' where id = %d and uid = %d limit 1",
1597 dbesc($r[0]['file'] . '[' . file_tag_encode($file) . ']'),
1601 $saved = get_pconfig($uid,'system','filetags');
1602 if((! strlen($saved)) || (! stristr($saved,'[' . file_tag_encode($file) . ']')))
1603 set_pconfig($uid,'system','filetags',$saved . '[' . file_tag_encode($file) . ']');
1604 info( t('Item filed') );
1609 function file_tag_unsave_file($uid,$item,$file,$cat = false) {
1615 $pattern = '<' . file_tag_encode($file) . '>' ;
1617 $pattern = '[' . file_tag_encode($file) . ']' ;
1620 $r = q("select file from item where id = %d and uid = %d limit 1",
1627 q("update item set file = '%s' where id = %d and uid = %d limit 1",
1628 dbesc(str_replace($pattern,'',$r[0]['file'])),
1633 $r = q("select file from item where uid = %d and deleted = 0 " . file_tag_file_query('item',$file,(($cat) ? 'category' : 'file')),
1638 $saved = get_pconfig($uid,'system','filetags');
1639 set_pconfig($uid,'system','filetags',str_replace($pattern,'',$saved));
1645 function normalise_openid($s) {
1646 return trim(str_replace(array('http://','https://'),array('',''),$s),'/');
1650 function undo_post_tagging($s) {
1652 $cnt = preg_match_all('/([@#])\[url=(.*?)\](.*?)\[\/url\]/ism',$s,$matches,PREG_SET_ORDER);
1654 foreach($matches as $mtch) {
1655 $s = str_replace($mtch[0], $mtch[1] . $mtch[3],$s);
1661 function fix_mce_lf($s) {
1662 $s = str_replace("\r\n","\n",$s);
1663 // $s = str_replace("\n\n","\n",$s);
1668 function protect_sprintf($s) {
1669 return(str_replace('%','%%',$s));
1673 function is_a_date_arg($s) {
1677 if($i <= $y+1 && strpos($s,'-') == 4) {
1678 $m = intval(substr($s,5));
1679 if($m > 0 && $m <= 12)