<?php /** @file */ // This is our template processor. // $s is the string requiring macro substitution. // $r is an array of key value pairs (search => replace) // returns substituted string. require_once("include/template_processor.php"); function replace_macros($s,$r) { global $t; // $ts = microtime(); $a = get_app(); if($a->get_template_engine() === 'smarty3') { $output = ''; if(gettype($s) !== 'NULL') { $template = ''; if(gettype($s) === 'string') { $template = $s; $s = new FriendicaSmarty(); } foreach($r as $key=>$value) { if($key[0] === '$') { $key = substr($key, 1); } $s->assign($key, $value); } $output = $s->parsed($template); } } else { $r = $t->replace($s,$r); $output = template_unescape($r); } // $tt = microtime() - $ts; // $a->page['debug'] .= "$tt <br>\n"; return $output; } // random string, there are 86 characters max in text mode, 128 for hex // output is urlsafe define('RANDOM_STRING_HEX', 0x00 ); define('RANDOM_STRING_TEXT', 0x01 ); function random_string($size = 64,$type = RANDOM_STRING_HEX) { // generate a bit of entropy and run it through the whirlpool $s = hash('whirlpool', (string) rand() . uniqid(rand(),true) . (string) rand(),(($type == RANDOM_STRING_TEXT) ? true : false)); $s = (($type == RANDOM_STRING_TEXT) ? str_replace("\n","",base64url_encode($s,true)) : $s); return(substr($s,0,$size)); } /** * This is our primary input filter. * * The high bit hack only involved some old IE browser, forget which (IE5/Mac?) * that had an XSS attack vector due to stripping the high-bit on an 8-bit character * after cleansing, and angle chars with the high bit set could get through as markup. * * This is now disabled because it was interfering with some legitimate unicode sequences * and hopefully there aren't a lot of those browsers left. * * Use this on any text input where angle chars are not valid or permitted * They will be replaced with safer brackets. This may be filtered further * if these are not allowed either. * */ function notags($string) { return(str_replace(array("<",">"), array('[',']'), $string)); // High-bit filter no longer used // return(str_replace(array("<",">","\xBA","\xBC","\xBE"), array('[',']','','',''), $string)); } // use this on "body" or "content" input where angle chars shouldn't be removed, // and allow them to be safely displayed. function escape_tags($string) { return(htmlspecialchars($string, ENT_COMPAT, 'UTF-8', false)); } // generate a string that's random, but usually pronounceable. // used to generate initial passwords function autoname($len) { if($len <= 0) return ''; $vowels = array('a','a','ai','au','e','e','e','ee','ea','i','ie','o','ou','u'); if(mt_rand(0,5) == 4) $vowels[] = 'y'; $cons = array( 'b','bl','br', 'c','ch','cl','cr', 'd','dr', 'f','fl','fr', 'g','gh','gl','gr', 'h', 'j', 'k','kh','kl','kr', 'l', 'm', 'n', 'p','ph','pl','pr', 'qu', 'r','rh', 's','sc','sh','sm','sp','st', 't','th','tr', 'v', 'w','wh', 'x', 'z','zh' ); $midcons = array('ck','ct','gn','ld','lf','lm','lt','mb','mm', 'mn','mp', 'nd','ng','nk','nt','rn','rp','rt'); $noend = array('bl', 'br', 'cl','cr','dr','fl','fr','gl','gr', 'kh', 'kl','kr','mn','pl','pr','rh','tr','qu','wh'); $start = mt_rand(0,2); if($start == 0) $table = $vowels; else $table = $cons; $word = ''; for ($x = 0; $x < $len; $x ++) { $r = mt_rand(0,count($table) - 1); $word .= $table[$r]; if($table == $vowels) $table = array_merge($cons,$midcons); else $table = $vowels; } $word = substr($word,0,$len); foreach($noend as $noe) { if((strlen($word) > 2) && (substr($word,-2) == $noe)) { $word = substr($word,0,-1); break; } } if(substr($word,-1) == 'q') $word = substr($word,0,-1); return $word; } // escape text ($str) for XML transport // returns escaped text. function xmlify($str) { $buffer = ''; $len = mb_strlen($str); for($x = 0; $x < $len; $x ++) { $char = mb_substr($str,$x,1); switch( $char ) { case "\r" : break; case "&" : $buffer .= '&'; break; case "'" : $buffer .= '''; break; case "\"" : $buffer .= '"'; break; case '<' : $buffer .= '<'; break; case '>' : $buffer .= '>'; break; case "\n" : $buffer .= "\n"; break; default : $buffer .= $char; break; } } $buffer = trim($buffer); return($buffer); } // undo an xmlify // pass xml escaped text ($s), returns unescaped text function unxmlify($s) { $ret = str_replace('&','&', $s); $ret = str_replace(array('<','>','"','''),array('<','>','"',"'"),$ret); return $ret; } // convenience wrapper, reverse the operation "bin2hex" if(! function_exists('hex2bin')) { function hex2bin($s) { if(! (is_string($s) && strlen($s))) return ''; if(! ctype_xdigit($s)) { return($s); } return(pack("H*",$s)); }} // Automatic pagination. // To use, get the count of total items. // Then call $a->set_pager_total($number_items); // Optionally call $a->set_pager_itemspage($n) to the number of items to display on each page // Then call paginate($a) after the end of the display loop to insert the pager block on the page // (assuming there are enough items to paginate). // When using with SQL, the setting LIMIT %d, %d => $a->pager['start'],$a->pager['itemspage'] // will limit the results to the correct items for the current page. // The actual page handling is then accomplished at the application layer. function paginate(&$a) { $o = ''; $stripped = preg_replace('/(&page=[0-9]*)/','',$a->query_string); // $stripped = preg_replace('/&zid=(.*?)([\?&]|$)/ism','',$stripped); $stripped = str_replace('q=','',$stripped); $stripped = trim($stripped,'/'); $pagenum = $a->pager['page']; $url = $a->get_baseurl() . '/' . $stripped; if($a->pager['total'] > $a->pager['itemspage']) { $o .= '<div class="pager">'; if($a->pager['page'] != 1) $o .= '<span class="pager_prev">'."<a href=\"$url".'&page='.($a->pager['page'] - 1).'">' . t('prev') . '</a></span> '; $o .= "<span class=\"pager_first\"><a href=\"$url"."&page=1\">" . t('first') . "</a></span> "; $numpages = $a->pager['total'] / $a->pager['itemspage']; $numstart = 1; $numstop = $numpages; if($numpages > 14) { $numstart = (($pagenum > 7) ? ($pagenum - 7) : 1); $numstop = (($pagenum > ($numpages - 7)) ? $numpages : ($numstart + 14)); } for($i = $numstart; $i <= $numstop; $i++){ if($i == $a->pager['page']) $o .= '<span class="pager_current">'.(($i < 10) ? ' '.$i : $i); else $o .= "<span class=\"pager_n\"><a href=\"$url"."&page=$i\">".(($i < 10) ? ' '.$i : $i)."</a>"; $o .= '</span> '; } if(($a->pager['total'] % $a->pager['itemspage']) != 0) { if($i == $a->pager['page']) $o .= '<span class="pager_current">'.(($i < 10) ? ' '.$i : $i); else $o .= "<span class=\"pager_n\"><a href=\"$url"."&page=$i\">".(($i < 10) ? ' '.$i : $i)."</a>"; $o .= '</span> '; } $lastpage = (($numpages > intval($numpages)) ? intval($numpages)+1 : $numpages); $o .= "<span class=\"pager_last\"><a href=\"$url"."&page=$lastpage\">" . t('last') . "</a></span> "; if(($a->pager['total'] - ($a->pager['itemspage'] * $a->pager['page'])) > 0) $o .= '<span class="pager_next">'."<a href=\"$url"."&page=".($a->pager['page'] + 1).'">' . t('next') . '</a></span>'; $o .= '</div>'."\r\n"; } return $o; } function alt_pager(&$a, $i, $more = '', $less = '') { $o = ''; if(! $more) $more = t('older'); if(! $less) $less = t('newer'); $stripped = preg_replace('/(&page=[0-9]*)/','',$a->query_string); $stripped = str_replace('q=','',$stripped); $stripped = trim($stripped,'/'); $pagenum = $a->pager['page']; $url = $a->get_baseurl() . '/' . $stripped; $o .= '<div class="pager">'; if($a->pager['page'] > 1) $o .= "<a href=\"$url"."&page=".($a->pager['page'] - 1).'">' . $less . '</a>'; if($i > 0 && $i == $a->pager['itemspage']) { if($a->pager['page']>1) $o .= " | "; $o .= "<a href=\"$url"."&page=".($a->pager['page'] + 1).'">' . $more . '</a>'; } $o .= '</div>'."\r\n"; return $o; } // Turn user/group ACLs stored as angle bracketed text into arrays function expand_acl($s) { // turn string array of angle-bracketed elements into string array // e.g. "<123xyz><246qyo><sxo33e>" => array(123xyz,246qyo,sxo33e); $ret = array(); if(strlen($s)) { $t = str_replace('<','',$s); $a = explode('>',$t); foreach($a as $aa) { if($aa) $ret[] = $aa; } } return $ret; } // Used to wrap ACL elements in angle brackets for storage function sanitise_acl(&$item) { if(strlen($item)) $item = '<' . notags(trim($item)) . '>'; else unset($item); } // Convert an ACL array to a storable string function perms2str($p) { $ret = ''; if(is_array($p)) $tmp = $p; else $tmp = explode(',',$p); if(is_array($tmp)) { array_walk($tmp,'sanitise_acl'); $ret = implode('',$tmp); } return $ret; } // generate a guaranteed unique (for this domain) item ID for ATOM // safe from birthday paradox function item_message_id() { do { $dups = false; $hash = random_string(); $uri = $hash . '@' . get_app()->get_hostname(); $r = q("SELECT `id` FROM `item` WHERE `uri` = '%s' LIMIT 1", dbesc($uri)); if(count($r)) $dups = true; } while($dups == true); return $uri; } // Generate a guaranteed unique photo ID. // safe from birthday paradox function photo_new_resource() { do { $found = false; $resource = hash('md5',uniqid(mt_rand(),true)); $r = q("SELECT `id` FROM `photo` WHERE `resource_id` = '%s' LIMIT 1", dbesc($resource) ); if(count($r)) $found = true; } while($found == true); return $resource; } // for html,xml parsing - let's say you've got // an attribute foobar="class1 class2 class3" // and you want to find out if it contains 'class3'. // you can't use a normal sub string search because you // might match 'notclass3' and a regex to do the job is // possible but a bit complicated. // pass the attribute string as $attr and the attribute you // are looking for as $s - returns true if found, otherwise false function attribute_contains($attr,$s) { $a = explode(' ', $attr); if(count($a) && in_array($s,$a)) return true; return false; } function logger($msg,$level = 0) { // turn off logger in install mode global $a; global $db; if(($a->module == 'install') || (! ($db && $db->connected))) return; $debugging = get_config('system','debugging'); $loglevel = intval(get_config('system','loglevel')); $logfile = get_config('system','logfile'); if((! $debugging) || (! $logfile) || ($level > $loglevel)) return; @file_put_contents($logfile, datetime_convert() . ':' . session_id() . ' ' . $msg . "\n", FILE_APPEND); return; } // This is a special logging facility for developers. It allows one to target specific things to trace/debug // and is identical to logger() with the exception of the log filename. This allows one to isolate specific // calls while allowing logger() to paint a bigger picture of overall activity and capture more detail. // If you find dlogger() calls in checked in code, you are free to remove them - so as to provide a noise-free // development environment which responds to events you are targetting personally. function dlogger($msg,$level = 0) { // turn off logger in install mode global $a; global $db; if(($a->module == 'install') || (! ($db && $db->connected))) return; $debugging = get_config('system','debugging'); $loglevel = intval(get_config('system','loglevel')); $logfile = get_config('system','dlogfile'); if((! $debugging) || (! $logfile) || ($level > $loglevel)) return; @file_put_contents($logfile, datetime_convert() . ':' . session_id() . ' ' . $msg . "\n", FILE_APPEND); return; } function profiler($t1,$t2,$label) { if(file_exists('profiler.out') && $t1 && t2) @file_put_contents('profiler.out', sprintf('%01.4f %s',$t2 - $t1,$label) . "\n", FILE_APPEND); } function activity_match($haystack,$needle) { if(($haystack === $needle) || ((basename($needle) === $haystack) && strstr($needle,NAMESPACE_ACTIVITY_SCHEMA))) return true; return false; } // Pull out all #hashtags and @person tags from $s; // We also get @person@domain.com - which would make // the regex quite complicated as tags can also // end a sentence. So we'll run through our results // and strip the period from any tags which end with one. // Returns array of tags found, or empty array. function get_tags($s) { $ret = array(); // ignore anything in a code block $s = preg_replace('/\[code\](.*?)\[\/code\]/sm','',$s); // Match full names against @tags including the space between first and last // We will look these up afterward to see if they are full names or not recognisable. if(preg_match_all('/(@[^ \x0D\x0A,:?]+ [^ \x0D\x0A@,:?]+)([ \x0D\x0A@,:?]|$)/',$s,$match)) { foreach($match[1] as $mtch) { if(strstr($mtch,"]")) { // we might be inside a bbcode color tag - leave it alone continue; } if(substr($mtch,-1,1) === '.') $ret[] = substr($mtch,0,-1); else $ret[] = $mtch; } } // Otherwise pull out single word tags. These can be @nickname, @first_last // and #hash tags. if(preg_match_all('/([@#][^ \x0D\x0A,;:?]+)([ \x0D\x0A,;:?]|$)/',$s,$match)) { foreach($match[1] as $mtch) { if(strstr($mtch,"]")) { // we might be inside a bbcode color tag - leave it alone continue; } if(substr($mtch,-1,1) === '.') $mtch = substr($mtch,0,-1); // ignore strictly numeric tags like #1 if((strpos($mtch,'#') === 0) && ctype_digit(substr($mtch,1))) continue; // try not to catch url fragments if(strpos($s,$mtch) && preg_match('/[a-zA-z0-9\/]/',substr($s,strpos($s,$mtch)-1,1))) continue; $ret[] = $mtch; } } return $ret; } // quick and dirty quoted_printable encoding function qp($s) { return str_replace ("%","=",rawurlencode($s)); } function get_mentions($item,$tags) { $o = ''; if(! count($tags)) return $o; foreach($tags as $x) { if($x['type'] == TERM_MENTION) { $o .= "\t\t" . '<link rel="mentioned" href="' . $x['url'] . '" />' . "\r\n"; $o .= "\t\t" . '<link rel="ostatus:attention" href="' . $x['url'] . '" />' . "\r\n"; } } return $o; } function contact_block() { $o = ''; $a = get_app(); $shown = get_pconfig($a->profile['uid'],'system','display_friend_count'); if($shown === false) $shown = 24; if($shown == 0) return; if((! is_array($a->profile)) || ($a->profile['hide_friends'])) return $o; $r = q("SELECT COUNT(abook_id) AS total FROM abook WHERE abook_channel = %d and abook_flags = 0", intval($a->profile['uid']) ); if(count($r)) { $total = intval($r[0]['total']); } if(! $total) { $contacts = t('No connections'); $micropro = Null; } else { $r = q("SELECT abook.*, xchan.* FROM abook left join xchan on abook.abook_xchan = xchan.xchan_hash WHERE abook_channel = %d AND abook_flags = 0 ORDER BY RAND() LIMIT %d", intval($a->profile['uid']), intval($shown) ); if(count($r)) { $contacts = sprintf( tt('%d Connection','%d Connections', $total),$total); $micropro = Array(); foreach($r as $rr) { $micropro[] = micropro($rr,true,'mpfriend'); } } } $tpl = get_markup_template('contact_block.tpl'); $o = replace_macros($tpl, array( '$contacts' => $contacts, '$nickname' => $a->profile['channel_address'], '$viewconnections' => t('View Connections'), '$micropro' => $micropro, )); $arr = array('contacts' => $r, 'output' => $o); call_hooks('contact_block_end', $arr); return $o; } function chanlink_hash($s) { return z_root() . '/chanview?f=&hash=' . urlencode($s); } function chanlink_url($s) { return z_root() . '/chanview?f=&url=' . urlencode($s); } function chanlink_cid($d) { return z_root() . '/chanview?f=&cid=' . intval($d); } function magiclink_url($observer,$myaddr,$url) { return (($observer) ? z_root() . '/magic?f=&dest=' . $url . '&addr=' . $myaddr : $url ); } function micropro($contact, $redirect = false, $class = '', $textmode = false) { if($contact['click']) $url = '#'; else $url = chanlink_hash($contact['xchan_hash']); return replace_macros(get_markup_template(($textmode)?'micropro_txt.tpl':'micropro_img.tpl'),array( '$click' => (($contact['click']) ? $contact['click'] : ''), '$class' => $class, '$url' => $url, '$photo' => $contact['xchan_photo_s'], '$name' => $contact['xchan_name'], '$title' => $contact['xchan_name'] . ' [' . $contact['xchan_addr'] . ']', )); } function search($s,$id='search-box',$url='/search',$save = false) { $a = get_app(); $o = '<div id="' . $id . '">'; $o .= '<form action="' . $a->get_baseurl((stristr($url,'network')) ? true : false) . $url . '" method="get" >'; $o .= '<input type="text" name="search" id="search-text" placeholder="' . t('Search') . '" value="' . $s .'" />'; $o .= '<input type="submit" name="submit" id="search-submit" value="' . t('Search') . '" />'; if($save) $o .= '<input type="submit" name="save" id="search-save" value="' . t('Save') . '" />'; $o .= '</form></div>'; return $o; } function valid_email($x){ if(get_config('system','disable_email_validation')) return true; if(preg_match('/^[_a-zA-Z0-9\-\+]+(\.[_a-zA-Z0-9\-\+]+)*@[a-zA-Z0-9-]+(\.[a-zA-Z0-9-]+)+$/',$x)) return true; return false; } /** * * Function: linkify * * Replace naked text hyperlink with HTML formatted hyperlink * */ function linkify($s) { $s = preg_replace("/(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\'\%\$\!\+]*)/", ' <a href="$1" >$1</a>', $s); $s = preg_replace("/\<(.*?)(src|href)=(.*?)\&\;(.*?)\>/ism",'<$1$2=$3&$4>',$s); return($s); } function get_poke_verbs() { // index is present tense verb // value is array containing past tense verb, translation of present, translation of past $arr = array( 'poke' => array( 'poked', t('poke'), t('poked')), 'ping' => array( 'pinged', t('ping'), t('pinged')), 'prod' => array( 'prodded', t('prod'), t('prodded')), 'slap' => array( 'slapped', t('slap'), t('slapped')), 'finger' => array( 'fingered', t('finger'), t('fingered')), 'rebuff' => array( 'rebuffed', t('rebuff'), t('rebuffed')), ); call_hooks('poke_verbs', $arr); return $arr; } function get_mood_verbs() { // index is present tense verb // value is array containing past tense verb, translation of present, translation of past $arr = array( 'happy' => t('happy'), 'sad' => t('sad'), 'mellow' => t('mellow'), 'tired' => t('tired'), 'perky' => t('perky'), 'angry' => t('angry'), 'stupefied' => t('stupified'), 'puzzled' => t('puzzled'), 'interested' => t('interested'), 'bitter' => t('bitter'), 'cheerful' => t('cheerful'), 'alive' => t('alive'), 'annoyed' => t('annoyed'), 'anxious' => t('anxious'), 'cranky' => t('cranky'), 'disturbed' => t('disturbed'), 'frustrated' => t('frustrated'), 'motivated' => t('motivated'), 'relaxed' => t('relaxed'), 'surprised' => t('surprised'), ); call_hooks('mood_verbs', $arr); return $arr; } /** * * Function: smilies * * Description: * Replaces text emoticons with graphical images * * @Parameter: string $s * * Returns string * * It is expected that this function will be called using HTML text. * We will escape text between HTML pre and code blocks from being * processed. * * At a higher level, the bbcode [nosmile] tag can be used to prevent this * function from being executed by the prepare_text() routine when preparing * bbcode source for HTML display * */ function smilies($s, $sample = false) { $a = get_app(); if(intval(get_config('system','no_smilies')) || (local_user() && intval(get_pconfig(local_user(),'system','no_smilies')))) return $s; $s = preg_replace_callback('/<pre>(.*?)<\/pre>/ism','smile_encode',$s); $s = preg_replace_callback('/<code>(.*?)<\/code>/ism','smile_encode',$s); $texts = array( '<3', '</3', '<\\3', ':-)', ';-)', ':-(', ':-P', ':-p', ':-"', ':-"', ':-x', ':-X', ':-D', '8-|', '8-O', ':-O', '\\o/', 'o.O', 'O.o', 'o_O', 'O_o', ":'(", ":-!", ":-/", ":-[", "8-)", ':beer', ':homebrew', ':coffee', ':facepalm', ':like', ':dislike', '~friendika', '~friendica' ); $icons = array( '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-heart.gif" alt="<3" />', '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-brokenheart.gif" alt="</3" />', '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-brokenheart.gif" alt="<\\3" />', '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-smile.gif" alt=":-)" />', '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-wink.gif" alt=";-)" />', '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-frown.gif" alt=":-(" />', '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-tongue-out.gif" alt=":-P" />', '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-tongue-out.gif" alt=":-p" />', '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-kiss.gif" alt=":-\"" />', '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-kiss.gif" alt=":-\"" />', '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-kiss.gif" alt=":-x" />', '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-kiss.gif" alt=":-X" />', '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-laughing.gif" alt=":-D" />', '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-surprised.gif" alt="8-|" />', '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-surprised.gif" alt="8-O" />', '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-surprised.gif" alt=":-O" />', '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-thumbsup.gif" alt="\\o/" />', '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-Oo.gif" alt="o.O" />', '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-Oo.gif" alt="O.o" />', '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-Oo.gif" alt="o_O" />', '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-Oo.gif" alt="O_o" />', '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-cry.gif" alt=":\'(" />', '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-foot-in-mouth.gif" alt=":-!" />', '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-undecided.gif" alt=":-/" />', '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-embarassed.gif" alt=":-[" />', '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-cool.gif" alt="8-)" />', '<img class="smiley" src="' . $a->get_baseurl() . '/images/beer_mug.gif" alt=":beer" />', '<img class="smiley" src="' . $a->get_baseurl() . '/images/beer_mug.gif" alt=":homebrew" />', '<img class="smiley" src="' . $a->get_baseurl() . '/images/coffee.gif" alt=":coffee" />', '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-facepalm.gif" alt=":facepalm" />', '<img class="smiley" src="' . $a->get_baseurl() . '/images/like.gif" alt=":like" />', '<img class="smiley" src="' . $a->get_baseurl() . '/images/dislike.gif" alt=":dislike" />', '<a href="http://project.friendika.com">~friendika <img class="smiley" src="' . $a->get_baseurl() . '/images/friendika-16.png" alt="~friendika" /></a>', '<a href="http://friendica.com">~friendica <img class="smiley" src="' . $a->get_baseurl() . '/images/friendica-16.png" alt="~friendica" /></a>' ); $params = array('texts' => $texts, 'icons' => $icons, 'string' => $s); call_hooks('smilie', $params); if($sample) { $s = '<div class="smiley-sample">'; for($x = 0; $x < count($params['texts']); $x ++) { $s .= '<dl><dt>' . $params['texts'][$x] . '</dt><dd>' . $params['icons'][$x] . '</dd></dl>'; } } else { $params['string'] = preg_replace_callback('/<(3+)/','preg_heart',$params['string']); $s = str_replace($params['texts'],$params['icons'],$params['string']); } $s = preg_replace_callback('/<pre>(.*?)<\/pre>/ism','smile_decode',$s); $s = preg_replace_callback('/<code>(.*?)<\/code>/ism','smile_decode',$s); return $s; } function smile_encode($m) { return(str_replace($m[1],base64url_encode($m[1]),$m[0])); } function smile_decode($m) { return(str_replace($m[1],base64url_decode($m[1]),$m[0])); } // expand <3333 to the correct number of hearts function preg_heart($x) { $a = get_app(); if(strlen($x[1]) == 1) return $x[0]; $t = ''; for($cnt = 0; $cnt < strlen($x[1]); $cnt ++) $t .= '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-heart.gif" alt="<3" />'; $r = str_replace($x[0],$t,$x[0]); return $r; } function day_translate($s) { $ret = str_replace(array('Monday','Tuesday','Wednesday','Thursday','Friday','Saturday','Sunday'), array( t('Monday'), t('Tuesday'), t('Wednesday'), t('Thursday'), t('Friday'), t('Saturday'), t('Sunday')), $s); $ret = str_replace(array('January','February','March','April','May','June','July','August','September','October','November','December'), 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')), $ret); return $ret; } function normalise_link($url) { $ret = str_replace(array('https:','//www.'), array('http:','//'), $url); return(rtrim($ret,'/')); } /** * * Compare two URLs to see if they are the same, but ignore * slight but hopefully insignificant differences such as if one * is https and the other isn't, or if one is www.something and * the other isn't - and also ignore case differences. * * Return true if the URLs match, otherwise false. * */ function link_compare($a,$b) { if(strcasecmp(normalise_link($a),normalise_link($b)) === 0) return true; return false; } // Given an item array, convert the body element from bbcode to html and add smilie icons. // If attach is true, also add icons for item attachments function prepare_body($item,$attach = false) { $a = get_app(); call_hooks('prepare_body_init', $item); $s = prepare_text($item['body']); $prep_arr = array('item' => $item, 'html' => $s); call_hooks('prepare_body', $prep_arr); $s = $prep_arr['html']; if(! $attach) { return $s; } $arr = json_decode($item['attach'],true); if(count($arr)) { $s .= '<div class="body-attach">'; foreach($arr as $r) { $matches = false; $icon = ''; $icontype = substr($r['type'],0,strpos($r['type'],'/')); switch($icontype) { case 'video': case 'audio': case 'image': case 'text': $icon = '<div class="attachtype icon s22 type-' . $icontype . '"></div>'; break; default: $icon = '<div class="attachtype icon s22 type-unkn"></div>'; break; } $title = htmlentities($r['title'], ENT_COMPAT,'UTF-8'); if(! $title) $title = t('unknown.???'); $title .= ' ' . $r['length'] . ' ' . t('bytes'); $url = $a->get_baseurl() . '/magic?f=&hash=' . $item['author_xchan'] . '&dest=' . $r['href'] . '/' . $r['revision']; $s .= '<a href="' . $url . '" title="' . $title . '" class="attachlink" >' . $icon . '</a>'; } $s .= '<div class="clear"></div></div>'; } $writeable = ((get_observer_hash() == $item['owner_xchan']) ? true : false); $x = ''; $terms = get_terms_oftype($item['term'],TERM_CATEGORY); if($terms) { foreach($terms as $t) { if(strlen($x)) $x .= ','; $x .= htmlspecialchars($t['term'],ENT_COMPAT,'UTF-8') . (($writeable) ? ' <a href="' . $a->get_baseurl() . '/filerm/' . $item['id'] . '?f=&cat=' . urlencode($t['term']) . '" title="' . t('remove') . '" >' . t('[remove]') . '</a>' : ''); } if(strlen($x)) $s .= '<div class="categorytags"><span>' . t('Categories:') . ' </span>' . $x . '</div>'; } $x = ''; $terms = get_terms_oftype($item['term'],TERM_FILE); if($terms) { foreach($terms as $t) { if(strlen($x)) $x .= ' '; $x .= htmlspecialchars($t['term'],ENT_COMPAT,'UTF-8') . ' <a href="' . $a->get_baseurl() . '/filerm/' . $item['id'] . '?f=&term=' . urlencode($t['term']) . '" title="' . t('remove') . '" >' . t('[remove]') . '</a>'; } if(strlen($x) && (local_user() == $item['uid'])) $s .= '<div class="filesavetags"><span>' . t('Filed under:') . ' </span>' . $x . '</div>'; } // Look for spoiler $spoilersearch = '<blockquote class="spoiler">'; // Remove line breaks before the spoiler while ((strpos($s, "\n".$spoilersearch) !== false)) $s = str_replace("\n".$spoilersearch, $spoilersearch, $s); while ((strpos($s, "<br />".$spoilersearch) !== false)) $s = str_replace("<br />".$spoilersearch, $spoilersearch, $s); while ((strpos($s, $spoilersearch) !== false)) { $pos = strpos($s, $spoilersearch); $rnd = random_string(8); $spoilerreplace = '<br /> <span id="spoiler-wrap-'.$rnd.'" style="white-space:nowrap;" class="fakelink" onclick="openClose(\'spoiler-'.$rnd.'\');">'.sprintf(t('Click to open/close')).'</span>'. '<blockquote class="spoiler" id="spoiler-'.$rnd.'" style="display: none;">'; $s = substr($s, 0, $pos).$spoilerreplace.substr($s, $pos+strlen($spoilersearch)); } // Look for quote with author $authorsearch = '<blockquote class="author">'; while ((strpos($s, $authorsearch) !== false)) { $pos = strpos($s, $authorsearch); $rnd = random_string(8); $authorreplace = '<br /> <span id="author-wrap-'.$rnd.'" style="white-space:nowrap;" class="fakelink" onclick="openClose(\'author-'.$rnd.'\');">'.sprintf(t('Click to open/close')).'</span>'. '<blockquote class="author" id="author-'.$rnd.'" style="display: block;">'; $s = substr($s, 0, $pos).$authorreplace.substr($s, $pos+strlen($authorsearch)); } $prep_arr = array('item' => $item, 'html' => $s); call_hooks('prepare_body_final', $prep_arr); return $prep_arr['html']; } // Given a text string, convert from bbcode to html and add smilie icons. function prepare_text($text) { require_once('include/bbcode.php'); if(stristr($text,'[nosmile]')) $s = bbcode($text); else $s = smilies(bbcode($text)); return $s; } /** * return atom link elements for all of our hubs */ function feed_hublinks() { $hub = get_config('system','huburl'); $hubxml = ''; if(strlen($hub)) { $hubs = explode(',', $hub); if(count($hubs)) { foreach($hubs as $h) { $h = trim($h); if(! strlen($h)) continue; $hubxml .= '<link rel="hub" href="' . xmlify($h) . '" />' . "\n" ; } } } return $hubxml; } /* return atom link elements for salmon endpoints */ function feed_salmonlinks($nick) { $a = get_app(); $salmon = '<link rel="salmon" href="' . xmlify($a->get_baseurl() . '/salmon/' . $nick) . '" />' . "\n" ; // old style links that status.net still needed as of 12/2010 $salmon .= ' <link rel="http://salmon-protocol.org/ns/salmon-replies" href="' . xmlify($a->get_baseurl() . '/salmon/' . $nick) . '" />' . "\n" ; $salmon .= ' <link rel="http://salmon-protocol.org/ns/salmon-mention" href="' . xmlify($a->get_baseurl() . '/salmon/' . $nick) . '" />' . "\n" ; return $salmon; } function get_plink($item) { $a = get_app(); if (x($item,'plink') && ($item['private'] != 1)) { return array( 'href' => $item['plink'], 'title' => t('link to source'), ); } else { return false; } } function unamp($s) { return str_replace('&', '&', $s); } function lang_selector() { global $a; $langs = glob('view/*/strings.php'); $lang_options = array(); $selected = ""; if(is_array($langs) && count($langs)) { $langs[] = ''; if(! in_array('view/en/strings.php',$langs)) $langs[] = 'view/en/'; asort($langs); foreach($langs as $l) { if($l == '') { $lang_options[""] = t('default'); continue; } $ll = substr($l,5); $ll = substr($ll,0,strrpos($ll,'/')); $selected = (($ll === $a->language && (x($_SESSION, 'language'))) ? $ll : $selected); $lang_options[$ll]=$ll; } } $tpl = get_markup_template("lang_selector.tpl"); $o = replace_macros($tpl, array( '$title' => t('Select an alternate language'), '$langs' => array($lang_options, $selected), )); return $o; } function return_bytes ($size_str) { switch (substr ($size_str, -1)) { case 'M': case 'm': return (int)$size_str * 1048576; case 'K': case 'k': return (int)$size_str * 1024; case 'G': case 'g': return (int)$size_str * 1073741824; default: return $size_str; } } function generate_user_guid() { $found = true; do { $guid = random_string(16); $x = q("SELECT `uid` FROM `user` WHERE `guid` = '%s' LIMIT 1", dbesc($guid) ); if(! count($x)) $found = false; } while ($found == true ); return $guid; } function base64url_encode($s, $strip_padding = true) { $s = strtr(base64_encode($s),'+/','-_'); if($strip_padding) $s = str_replace('=','',$s); return $s; } function base64url_decode($s) { if(is_array($s)) { logger('base64url_decode: illegal input: ' . print_r(debug_backtrace(), true)); return $s; } /* * // Placeholder for new rev of salmon which strips base64 padding. * // PHP base64_decode handles the un-padded input without requiring this step * // Uncomment if you find you need it. * * $l = strlen($s); * if(! strpos($s,'=')) { * $m = $l % 4; * if($m == 2) * $s .= '=='; * if($m == 3) * $s .= '='; * } * */ return base64_decode(strtr($s,'-_','+/')); } function cleardiv() { return '<div class="clear"></div>'; } function bb_translate_video($s) { $matches = null; $r = preg_match_all("/\[video\](.*?)\[\/video\]/ism",$s,$matches,PREG_SET_ORDER); if($r) { foreach($matches as $mtch) { if((stristr($mtch[1],'youtube')) || (stristr($mtch[1],'youtu.be'))) $s = str_replace($mtch[0],'[youtube]' . $mtch[1] . '[/youtube]',$s); elseif(stristr($mtch[1],'vimeo')) $s = str_replace($mtch[0],'[vimeo]' . $mtch[1] . '[/vimeo]',$s); } } return $s; } function html2bb_video($s) { $s = preg_replace('#<object[^>]+>(.*?)https?://www.youtube.com/((?:v|cp)/[A-Za-z0-9\-_=]+)(.*?)</object>#ism', '[youtube]$2[/youtube]', $s); $s = preg_replace('#<iframe[^>](.*?)https?://www.youtube.com/embed/([A-Za-z0-9\-_=]+)(.*?)</iframe>#ism', '[youtube]$2[/youtube]', $s); $s = preg_replace('#<iframe[^>](.*?)https?://player.vimeo.com/video/([0-9]+)(.*?)</iframe>#ism', '[vimeo]$2[/vimeo]', $s); return $s; } /** * apply xmlify() to all values of array $val, recursively */ function array_xmlify($val){ if (is_bool($val)) return $val?"true":"false"; if (is_array($val)) return array_map('array_xmlify', $val); return xmlify((string) $val); } function reltoabs($text, $base) { if (empty($base)) return $text; $base = rtrim($base,'/'); $base2 = $base . "/"; // Replace links $pattern = "/<a([^>]*) href=\"(?!http|https|\/)([^\"]*)\"/"; $replace = "<a\${1} href=\"" . $base2 . "\${2}\""; $text = preg_replace($pattern, $replace, $text); $pattern = "/<a([^>]*) href=\"(?!http|https)([^\"]*)\"/"; $replace = "<a\${1} href=\"" . $base . "\${2}\""; $text = preg_replace($pattern, $replace, $text); // Replace images $pattern = "/<img([^>]*) src=\"(?!http|https|\/)([^\"]*)\"/"; $replace = "<img\${1} src=\"" . $base2 . "\${2}\""; $text = preg_replace($pattern, $replace, $text); $pattern = "/<img([^>]*) src=\"(?!http|https)([^\"]*)\"/"; $replace = "<img\${1} src=\"" . $base . "\${2}\""; $text = preg_replace($pattern, $replace, $text); // Done return $text; } function item_post_type($item) { if(intval($item['event-id'])) return t('event'); if(strlen($item['resource_id'])) return t('photo'); if(strlen($item['verb']) && $item['verb'] !== ACTIVITY_POST) return t('activity'); if($item['id'] != $item['parent']) return t('comment'); return t('post'); } // post categories and "save to file" use the same item.file table for storage. // We will differentiate the different uses by wrapping categories in angle brackets // and save to file categories in square brackets. // To do this we need to escape these characters if they appear in our tag. function file_tag_encode($s) { return str_replace(array('<','>','[',']'),array('%3c','%3e','%5b','%5d'),$s); } function file_tag_decode($s) { return str_replace(array('%3c','%3e','%5b','%5d'),array('<','>','[',']'),$s); } function file_tag_file_query($table,$s,$type = 'file') { if($type == 'file') $termtype = TERM_FILE; else $termtype = TERM_CATEGORY; return sprintf(" AND " . (($table) ? dbesc($table) . '.' : '') . "id in (select term.oid from term where term.type = %d and term.term = '%s' and term.uid = " . (($table) ? dbesc($table) . '.' : '') . "uid ) ", intval($termtype), protect_sprintf(dbesc($s)) ); } function term_query($table,$s,$type = TERM_UNKNOWN) { return sprintf(" AND " . (($table) ? dbesc($table) . '.' : '') . "id in (select term.oid from term where term.type = %d and term.term = '%s' and term.uid = " . (($table) ? dbesc($table) . '.' : '') . "uid ) ", intval($type), protect_sprintf(dbesc($s)) ); } // ex. given music,video return <music><video> or [music][video] function file_tag_list_to_file($list,$type = 'file') { $tag_list = ''; if(strlen($list)) { $list_array = explode(",",$list); if($type == 'file') { $lbracket = '['; $rbracket = ']'; } else { $lbracket = '<'; $rbracket = '>'; } foreach($list_array as $item) { if(strlen($item)) { $tag_list .= $lbracket . file_tag_encode(trim($item)) . $rbracket; } } } return $tag_list; } // ex. given <music><video>[friends], return music,video or friends function file_tag_file_to_list($file,$type = 'file') { $matches = false; $list = ''; if($type == 'file') { $cnt = preg_match_all('/\[(.*?)\]/',$file,$matches,PREG_SET_ORDER); } else { $cnt = preg_match_all('/<(.*?)>/',$file,$matches,PREG_SET_ORDER); } if($cnt) { foreach($matches as $mtch) { if(strlen($list)) $list .= ','; $list .= file_tag_decode($mtch[1]); } } return $list; } function file_tag_update_pconfig($uid,$file_old,$file_new,$type = 'file') { // $file_old - categories previously associated with an item // $file_new - new list of categories for an item if(! intval($uid)) return false; if($file_old == $file_new) return true; $saved = get_pconfig($uid,'system','filetags'); if(strlen($saved)) { if($type == 'file') { $lbracket = '['; $rbracket = ']'; } else { $lbracket = '<'; $rbracket = '>'; } $filetags_updated = $saved; // check for new tags to be added as filetags in pconfig $new_tags = array(); $check_new_tags = explode(",",file_tag_file_to_list($file_new,$type)); foreach($check_new_tags as $tag) { if(! stristr($saved,$lbracket . file_tag_encode($tag) . $rbracket)) $new_tags[] = $tag; } $filetags_updated .= file_tag_list_to_file(implode(",",$new_tags),$type); // check for deleted tags to be removed from filetags in pconfig $deleted_tags = array(); $check_deleted_tags = explode(",",file_tag_file_to_list($file_old,$type)); foreach($check_deleted_tags as $tag) { if(! stristr($file_new,$lbracket . file_tag_encode($tag) . $rbracket)) $deleted_tags[] = $tag; } foreach($deleted_tags as $key => $tag) { $r = q("select file from item where uid = %d " . file_tag_file_query('item',$tag,$type), intval($uid) ); if(count($r)) { unset($deleted_tags[$key]); } else { $filetags_updated = str_replace($lbracket . file_tag_encode($tag) . $rbracket,'',$filetags_updated); } } if($saved != $filetags_updated) { set_pconfig($uid,'system','filetags', $filetags_updated); } return true; } else if(strlen($file_new)) { set_pconfig($uid,'system','filetags', $file_new); } return true; } function store_item_tag($uid,$iid,$otype,$type,$term,$url = '') { if(! $term) return false; $r = q("select * from term where uid = %d and oid = %d and otype = %d and type = %d and term = '%s' and url = '%s' ", intval($uid), intval($iid), intval($otype), intval($type), dbesc($term), dbesc($url) ); if(count($r)) return false; $r = q("insert into term (uid, oid, otype, type, term, url) values( %d, %d, %d, %d, '%s', '%s') ", intval($uid), intval($iid), intval($otype), intval($type), dbesc($term), dbesc($url) ); return $r; } function get_terms_oftype($arr,$type) { $ret = array(); if(! (is_array($arr) && count($arr))) return $ret; if(! is_array($type)) $type = array($type); foreach($type as $t) foreach($arr as $x) if($x['type'] == $t) $ret[] = $x; return $ret; } function format_term_for_display($term) { $s = ''; if($term['type'] == TERM_HASHTAG) $s .= '#'; elseif($term['type'] == TERM_MENTION) $s .= '@'; if($term['url']) $s .= '<a target="extlink" href="' . $term['url'] . '">' . htmlspecialchars($term['term']) . '</a>'; else $s .= htmlspecialchars($term['term']); return $s; } function file_tag_save_file($uid,$item,$file) { $result = false; if(! intval($uid)) return false; $r = q("select file from item where id = %d and uid = %d limit 1", intval($item), intval($uid) ); if(count($r)) { if(! stristr($r[0]['file'],'[' . file_tag_encode($file) . ']')) q("update item set file = '%s' where id = %d and uid = %d limit 1", dbesc($r[0]['file'] . '[' . file_tag_encode($file) . ']'), intval($item), intval($uid) ); $saved = get_pconfig($uid,'system','filetags'); if((! strlen($saved)) || (! stristr($saved,'[' . file_tag_encode($file) . ']'))) set_pconfig($uid,'system','filetags',$saved . '[' . file_tag_encode($file) . ']'); info( t('Item filed') ); } return true; } function file_tag_unsave_file($uid,$item,$file,$cat = false) { $result = false; if(! intval($uid)) return false; if($cat == true) $pattern = '<' . file_tag_encode($file) . '>' ; else $pattern = '[' . file_tag_encode($file) . ']' ; $r = q("select file from item where id = %d and uid = %d limit 1", intval($item), intval($uid) ); if(! count($r)) return false; q("update item set file = '%s' where id = %d and uid = %d limit 1", dbesc(str_replace($pattern,'',$r[0]['file'])), intval($item), intval($uid) ); $r = q("select file from item where uid = %d and deleted = 0 " . file_tag_file_query('item',$file,(($cat) ? 'category' : 'file')), intval($uid) ); if(! count($r)) { $saved = get_pconfig($uid,'system','filetags'); set_pconfig($uid,'system','filetags',str_replace($pattern,'',$saved)); } return true; } function normalise_openid($s) { return trim(str_replace(array('http://','https://'),array('',''),$s),'/'); } function undo_post_tagging($s) { $matches = null; $cnt = preg_match_all('/([@#])\[url=(.*?)\](.*?)\[\/url\]/ism',$s,$matches,PREG_SET_ORDER); if($cnt) { foreach($matches as $mtch) { $s = str_replace($mtch[0], $mtch[1] . $mtch[3],$s); } } return $s; } function fix_mce_lf($s) { $s = str_replace("\r\n","\n",$s); // $s = str_replace("\n\n","\n",$s); return $s; } function protect_sprintf($s) { return(str_replace('%','%%',$s)); } function is_a_date_arg($s) { $i = intval($s); if($i > 1900) { $y = date('Y'); if($i <= $y+1 && strpos($s,'-') == 4) { $m = intval(substr($s,5)); if($m > 0 && $m <= 12) return true; } } return false; } function legal_webbie($s) { if(! strlen($s)) return ''; $x = $s; do { $s = $x; $x = preg_replace('/^([^a-z])(.*?)/',"$2",$s); } while($x != $s); return preg_replace('/([^a-z0-9\-\_])/','',$x); } function check_webbie($arr) { $str = ''; $taken = array(); if(count($arr)) { foreach($arr as $x) { $y = legal_webbie($x); if(strlen($y)) { if($str) $str .= ','; $str .= "'" . dbesc($y) . "'"; } } if(strlen($str)) { $r = q("select channel_address from channel where channel_address in ( $str ) "); if(count($r)) { foreach($r as $rr) { $taken[] = $rr['channel_address']; } } foreach($arr as $x) { if(! in_array($x,$taken)) { return $x; } } } } return ''; } function ids_to_querystr($arr,$idx = 'id') { $t = array(); foreach($arr as $x) $t[] = $x[$idx]; return(implode(',', $t)); } // Fetches xchan and hubloc data for an array of items with only an // author_xchan and owner_xchan. If $abook is true also include the abook info. // This is needed in the API to save extra per item lookups there. function xchan_query(&$items,$abook = false) { $arr = array(); if($items && count($items)) { foreach($items as $item) { if($item['owner_xchan'] && (! in_array($item['owner_xchan'],$arr))) $arr[] = "'" . dbesc($item['owner_xchan']) . "'"; if($item['author_xchan'] && (! in_array($item['author_xchan'],$arr))) $arr[] = "'" . dbesc($item['author_xchan']) . "'"; } } if(count($arr)) { if($abook) { $chans = q("select * from xchan left join hubloc on hubloc_hash = xchan_hash left join abook on abook_xchan = xchan_hash where xchan_hash in (" . implode(',', $arr) . ") and ( hubloc_flags & " . intval(HUBLOC_FLAGS_PRIMARY) . " )"); } else { $chans = q("select xchan.*,hubloc.* from xchan left join hubloc on hubloc_hash = xchan_hash where xchan_hash in (" . implode(',', $arr) . ") and ( hubloc_flags & " . intval(HUBLOC_FLAGS_PRIMARY) . " )"); } } if($items && count($items) && $chans && count($chans)) { for($x = 0; $x < count($items); $x ++) { $items[$x]['owner'] = find_xchan_in_array($items[$x]['owner_xchan'],$chans); $items[$x]['author'] = find_xchan_in_array($items[$x]['author_xchan'],$chans); } } } function xchan_mail_query(&$item) { $arr = array(); $chans = null; if($item) { if($item['from_xchan'] && (! in_array($item['from_xchan'],$arr))) $arr[] = "'" . dbesc($item['from_xchan']) . "'"; if($item['to_xchan'] && (! in_array($item['to_xchan'],$arr))) $arr[] = "'" . dbesc($item['to_xchan']) . "'"; } if(count($arr)) { $chans = q("select xchan.*,hubloc.* from xchan left join hubloc on hubloc_hash = xchan_hash where xchan_hash in (" . implode(',', $arr) . ") and ( hubloc_flags & " . intval(HUBLOC_FLAGS_PRIMARY) . " )"); } if($chans) { $item['from'] = find_xchan_in_array($item['from_xchan'],$chans); $item['to'] = find_xchan_in_array($item['to_xchan'],$chans); } } function find_xchan_in_array($xchan,$arr) { if(count($arr)) { foreach($arr as $x) { if($x['xchan_hash'] === $xchan) { return $x; } } } return array(); } function get_rel_link($j,$rel) { if(count($j)) foreach($j as $l) if($l['rel'] === $rel) return $l['href']; return ''; } // Lots of code to write here function magic_link($s) { return $s; } // if $escape is true, dbesc() each element before adding quotes function stringify_array_elms(&$arr,$escape = false) { for($x = 0; $x < count($arr); $x ++) $arr[$x] = "'" . (($escape) ? dbesc($arr[$x]) : $arr[$x]) . "'"; } /** * Indents a flat JSON string to make it more human-readable. * * @param string $json The original JSON string to process. * * @return string Indented version of the original JSON string. */ function jindent($json) { $result = ''; $pos = 0; $strLen = strlen($json); $indentStr = ' '; $newLine = "\n"; $prevChar = ''; $outOfQuotes = true; for ($i=0; $i<=$strLen; $i++) { // Grab the next character in the string. $char = substr($json, $i, 1); // Are we inside a quoted string? if ($char == '"' && $prevChar != '\\') { $outOfQuotes = !$outOfQuotes; // If this character is the end of an element, // output a new line and indent the next line. } else if(($char == '}' || $char == ']') && $outOfQuotes) { $result .= $newLine; $pos --; for ($j=0; $j<$pos; $j++) { $result .= $indentStr; } } // Add the character to the result string. $result .= $char; // If the last character was the beginning of an element, // output a new line and indent the next line. if (($char == ',' || $char == '{' || $char == '[') && $outOfQuotes) { $result .= $newLine; if ($char == '{' || $char == '[') { $pos ++; } for ($j = 0; $j < $pos; $j++) { $result .= $indentStr; } } $prevChar = $char; } return $result; } // Tag cloud functions - need to be adpated to this database format function tagadelic($uid, $count = 0, $type = TERM_HASHTAG) { // Fetch tags $r = q("select term, count(term) as total from term where uid = %d and type = %d and otype = %d group by term order by total desc %s", intval($uid), intval($type), intval(TERM_OBJ_POST), ((intval($count)) ? "limit $count" : '') ); if(! $r) return array(); // Find minimum and maximum log-count. $tags = array(); $min = 1e9; $max = -1e9; $x = 0; foreach($r as $rr) { $tags[$x][0] = $rr['term']; $tags[$x][1] = log($rr['total']); $tags[$x][2] = 0; $min = min($min,$tags[$x][1]); $max = max($max,$tags[$x][1]); $x ++; } usort($tags,'tags_sort'); $range = max(.01, $max - $min) * 1.0001; for($x = 0; $x < count($tags); $x ++) { $tags[$x][2] = 1 + floor(5 * ($tags[$x][1] - $min) / $range); } return $tags; } function tags_sort($a,$b) { if($a[0] == $b[0]) return 0; return((strtolower($a[0]) < strtolower($b[0])) ? -1 : 1); } function tagblock($link,$uid,$count = 0,$type = TERM_HASHTAG) { $tab = 0; $r = tagadelic($uid,$count,$type); if($r) { echo '<div class="tags" align="center">'; foreach($r as $rr) { echo '<a href="'.$link .'/' . '?f=&tag=' . urlencode($rr[0]).'" class="tag'.$rr[2].'">'.$rr[0].'</a> '; } echo '</div>'; } }