<?php // This is our template processor. // $s is the string requiring macro substitution. // $r is an array of key value pairs (search => replace) // returns substituted string. // WARNING: this is pretty basic, and doesn't properly handle search strings that are substrings of each other. // For instance if 'test' => "foo" and 'testing' => "bar", testing could become either bar or fooing, // depending on the order in which they were declared in the array. require_once("include/template_processor.php"); if(! function_exists('replace_macros')) { function replace_macros($s,$r) { global $t; //$ts = microtime(); $r = $t->replace($s,$r); //$tt = microtime() - $ts; //$a = get_app(); //$a->page['debug'] .= "$tt <br>\n"; return template_unescape($r); }} // random string, there are 86 characters max in text mode, 128 for hex // output is urlsafe define('RANDOM_STRING_HEX', 0x00 ); define('RANDOM_STRING_TEXT', 0x01 ); if(! function_exists('random_string')) { function random_string($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,$size)); }} /** * This is our primary input filter. * * The high bit hack only involved some old IE browser, forget which (IE5/Mac?) * that had an XSS attack vector due to stripping the high-bit on an 8-bit character * after cleansing, and angle chars with the high bit set could get through as markup. * * This is now disabled because it was interfering with some legitimate unicode sequences * and hopefully there aren't a lot of those browsers left. * * Use this on any text input where angle chars are not valid or permitted * They will be replaced with safer brackets. This may be filtered further * if these are not allowed either. * */ if(! function_exists('notags')) { function notags($string) { return(str_replace(array("<",">"), array('[',']'), $string)); // High-bit filter no longer used // return(str_replace(array("<",">","\xBA","\xBC","\xBE"), array('[',']','','',''), $string)); }} // use this on "body" or "content" input where angle chars shouldn't be removed, // and allow them to be safely displayed. if(! function_exists('escape_tags')) { function escape_tags($string) { return(htmlspecialchars($string)); }} // generate a string that's random, but usually pronounceable. // used to generate initial passwords if(! function_exists('autoname')) { function autoname($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. if(! function_exists('xmlify')) { function xmlify($str) { $buffer = ''; for($x = 0; $x < mb_strlen($str); $x ++) { $char = $str[$x]; 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 if(! function_exists('unxmlify')) { 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. if(! function_exists('paginate')) { function paginate(&$a) { $o = ''; $stripped = preg_replace('/(&page=[0-9]*)/','',$a->query_string); // $stripped = preg_replace('/&zrl=(.*?)([\?&]|$)/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 $o; }} // Turn user/group ACLs stored as angle bracketed text into arrays if(! function_exists('expand_acl')) { function expand_acl($s) { // turn string array of angle-bracketed elements into numeric array // e.g. "<1><2><3>" => array(1,2,3); $ret = array(); if(strlen($s)) { $t = str_replace('<','',$s); $a = explode('>',$t); foreach($a as $aa) { if(intval($aa)) $ret[] = intval($aa); } } return $ret; }} // Used to wrap ACL elements in angle brackets for storage if(! function_exists('sanitise_acl')) { function sanitise_acl(&$item) { if(intval($item)) $item = '<' . intval(notags(trim($item))) . '>'; else unset($item); }} // Convert an ACL array to a storable string if(! function_exists('perms2str')) { function perms2str($p) { $ret = ''; $tmp = $p; if(is_array($tmp)) { array_walk($tmp,'sanitise_acl'); $ret = implode('',$tmp); } return $ret; }} // generate a guaranteed unique (for this domain) item ID for ATOM // safe from birthday paradox if(! function_exists('item_new_uri')) { function item_new_uri($hostname,$uid) { do { $dups = false; $hash = random_string(); $uri = "urn:X-dfrn:" . $hostname . ':' . $uid . ':' . $hash; $r = q("SELECT `id` FROM `item` WHERE `uri` = '%s' LIMIT 1", dbesc($uri)); if(count($r)) $dups = true; } while($dups == true); return $uri; }} // Generate a guaranteed unique photo ID. // safe from birthday paradox if(! function_exists('photo_new_resource')) { 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 $resource; }} // wrapper to load a view template, checking for alternate // languages before falling back to the default // obsolete, deprecated. if(! function_exists('load_view_file')) { function load_view_file($s) { global $lang, $a; if(! isset($lang)) $lang = 'en'; $b = basename($s); $d = dirname($s); if(file_exists("$d/$lang/$b")) return file_get_contents("$d/$lang/$b"); $theme = current_theme(); if(file_exists("$d/theme/$theme/$b")) return file_get_contents("$d/theme/$theme/$b"); return file_get_contents($s); }} if(! function_exists('get_intltext_template')) { function get_intltext_template($s) { global $lang; if(! isset($lang)) $lang = 'en'; if(file_exists("view/$lang/$s")) return file_get_contents("view/$lang/$s"); elseif(file_exists("view/en/$s")) return file_get_contents("view/en/$s"); else return file_get_contents("view/$s"); }} if(! function_exists('get_markup_template')) { function get_markup_template($s) { $a=get_app(); $theme = current_theme(); if(file_exists("view/theme/$theme/$s")) return file_get_contents("view/theme/$theme/$s"); elseif (x($a->theme_info,"extends") && file_exists("view/theme/".$a->theme_info["extends"]."/$s")) return file_get_contents("view/theme/".$a->theme_info["extends"]."/$s"); else return file_get_contents("view/$s"); }} // 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 $s - returns true if found, otherwise false if(! function_exists('attribute_contains')) { function attribute_contains($attr,$s) { $a = explode(' ', $attr); if(count($a) && in_array($s,$a)) return true; return false; }} if(! function_exists('logger')) { 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() . ' ' . $msg . "\n", FILE_APPEND); return; }} if(! function_exists('activity_match')) { function activity_match($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 $s; // We also get @person@domain.com - which would make // the regex quite complicated as tags can also // end a sentence. So we'll run through our results // and strip the period from any tags which end with one. // Returns array of tags found, or empty array. if(! function_exists('get_tags')) { function get_tags($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 $ret; }} // quick and dirty quoted_printable encoding if(! function_exists('qp')) { function qp($s) { return str_replace ("%","=",rawurlencode($s)); }} if(! function_exists('get_mentions')) { function get_mentions($item) { $o = ''; if(! strlen($item['tag'])) return $o; $arr = explode(',',$item['tag']); foreach($arr as $x) { $matches = null; if(preg_match('/@\[url=([^\]]*)\]/',$x,$matches)) { $o .= "\t\t" . '<link rel="mentioned" href="' . $matches[1] . '" />' . "\r\n"; $o .= "\t\t" . '<link rel="ostatus:attention" href="' . $matches[1] . '" />' . "\r\n"; } } return $o; }} if(! function_exists('contact_block')) { 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; $r = q("SELECT COUNT(*) AS `total` FROM `contact` WHERE `uid` = %d AND `self` = 0 AND `blocked` = 0 and `pending` = 0 AND `hidden` = 0", intval($a->profile['uid']) ); if(count($r)) { $total = intval($r[0]['total']); } if(! $total) { $contacts = t('No contacts'); $micropro = Null; } else { $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 0 AND `blocked` = 0 and `pending` = 0 AND `hidden` = 0 ORDER BY RAND() LIMIT %d", intval($a->profile['uid']), intval($shown) ); if(count($r)) { $contacts = sprintf( tt('%d Contact','%d Contacts', $total),$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' => $a->profile['nickname'], '$viewcontacts' => t('View Contacts'), '$micropro' => $micropro, )); $arr = array('contacts' => $r, 'output' => $o); call_hooks('contact_block_end', $arr); return $o; }} if(! function_exists('micropro')) { function micropro($contact, $redirect = false, $class = '', $textmode = false) { if($class) $class = ' ' . $class; $url = $contact['url']; $sparkle = ''; $redir = false; if($redirect) { $a = get_app(); $redirect_url = $a->get_baseurl() . '/redir/' . $contact['id']; if(local_user() && ($contact['uid'] == local_user()) && ($contact['network'] === 'dfrn')) { $redir = true; $url = $redirect_url; $sparkle = ' sparkle'; } else $url = zrl($url); } $click = ((x($contact,'click')) ? ' onclick="' . $contact['click'] . '" ' : ''); if($click) $url = ''; if($textmode) { return '<div class="contact-block-textdiv' . $class . '"><a class="contact-block-link' . $class . $sparkle . (($click) ? ' fakelink' : '') . '" ' . (($redir) ? ' target="redir" ' : '') . (($url) ? ' href="' . $url . '"' : '') . $click . '" title="' . $contact['name'] . ' [' . $contact['url'] . ']" alt="' . $contact['name'] . '" >'. $contact['name'] . '</a></div>' . "\r\n"; } else { return '<div class="contact-block-div' . $class . '"><a class="contact-block-link' . $class . $sparkle . (($click) ? ' fakelink' : '') . '" ' . (($redir) ? ' target="redir" ' : '') . (($url) ? ' href="' . $url . '"' : '') . $click . ' ><img class="contact-block-img' . $class . $sparkle . '" src="' . $contact['micro'] . '" title="' . $contact['name'] . ' [' . $contact['url'] . ']" alt="' . $contact['name'] . '" /></a></div>' . "\r\n"; } }} if(! function_exists('search')) { function search($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" 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 $o; }} if(! function_exists('valid_email')) { function valid_email($x){ 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 * */ if(! function_exists('linkify')) { function linkify($s) { $s = preg_replace("/(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\'\%\$\!\+]*)/", ' <a href="$1" target="external-link">$1</a>', $s); $s = preg_replace("/\<(.*?)(src|href)=(.*?)\&\;(.*?)\>/ism",'<$1$2=$3&$4>',$s); return($s); }} /** * * Function: smilies * * Description: * Replaces text emoticons with graphical images * * @Parameter: string $s * * Returns string * * It is expected that this function will be called using HTML text. * We will escape text between HTML pre and code blocks from being * processed. * * At a higher level, the bbcode [nosmile] tag can be used to prevent this * function from being executed by the prepare_text() routine when preparing * bbcode source for HTML display * */ if(! function_exists('smilies')) { function smilies($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', '~friendika', '~friendica' ); $icons = array( '<img src="' . $a->get_baseurl() . '/images/smiley-heart.gif" alt="<3" />', '<img src="' . $a->get_baseurl() . '/images/smiley-brokenheart.gif" alt="</3" />', '<img src="' . $a->get_baseurl() . '/images/smiley-brokenheart.gif" alt="<\\3" />', '<img src="' . $a->get_baseurl() . '/images/smiley-smile.gif" alt=":-)" />', '<img src="' . $a->get_baseurl() . '/images/smiley-wink.gif" alt=";-)" />', '<img src="' . $a->get_baseurl() . '/images/smiley-frown.gif" alt=":-(" />', '<img src="' . $a->get_baseurl() . '/images/smiley-tongue-out.gif" alt=":-P" />', '<img src="' . $a->get_baseurl() . '/images/smiley-tongue-out.gif" alt=":-p" />', '<img src="' . $a->get_baseurl() . '/images/smiley-kiss.gif" alt=":-\"" />', '<img src="' . $a->get_baseurl() . '/images/smiley-kiss.gif" alt=":-\"" />', '<img src="' . $a->get_baseurl() . '/images/smiley-kiss.gif" alt=":-x" />', '<img src="' . $a->get_baseurl() . '/images/smiley-kiss.gif" alt=":-X" />', '<img src="' . $a->get_baseurl() . '/images/smiley-laughing.gif" alt=":-D" />', '<img src="' . $a->get_baseurl() . '/images/smiley-surprised.gif" alt="8-|" />', '<img src="' . $a->get_baseurl() . '/images/smiley-surprised.gif" alt="8-O" />', '<img src="' . $a->get_baseurl() . '/images/smiley-surprised.gif" alt=":-O" />', '<img src="' . $a->get_baseurl() . '/images/smiley-thumbsup.gif" alt="\\o/" />', '<img src="' . $a->get_baseurl() . '/images/smiley-Oo.gif" alt="o.O" />', '<img src="' . $a->get_baseurl() . '/images/smiley-Oo.gif" alt="O.o" />', '<img src="' . $a->get_baseurl() . '/images/smiley-Oo.gif" alt="o_O" />', '<img src="' . $a->get_baseurl() . '/images/smiley-Oo.gif" alt="O_o" />', '<img src="' . $a->get_baseurl() . '/images/smiley-cry.gif" alt=":\'(" />', '<img src="' . $a->get_baseurl() . '/images/smiley-foot-in-mouth.gif" alt=":-!" />', '<img src="' . $a->get_baseurl() . '/images/smiley-undecided.gif" alt=":-/" />', '<img src="' . $a->get_baseurl() . '/images/smiley-embarassed.gif" alt=":-[" />', '<img src="' . $a->get_baseurl() . '/images/smiley-cool.gif" alt="8-)" />', '<img src="' . $a->get_baseurl() . '/images/beer_mug.gif" alt=":beer" />', '<img src="' . $a->get_baseurl() . '/images/beer_mug.gif" alt=":homebrew" />', '<img src="' . $a->get_baseurl() . '/images/coffee.gif" alt=":coffee" />', '<img src="' . $a->get_baseurl() . '/images/smiley-facepalm.gif" alt=":facepalm" />', '<a href="http://project.friendika.com">~friendika <img src="' . $a->get_baseurl() . '/images/friendika-16.png" alt="~friendika" /></a>', '<a href="http://friendica.com">~friendica <img 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 src="' . $a->get_baseurl() . '/images/smiley-heart.gif" alt="<3" />'; $r = str_replace($x[0],$t,$x[0]); return $r; } if(! function_exists('day_translate')) { function day_translate($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 $ret; }} if(! function_exists('normalise_link')) { function normalise_link($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. * */ if(! function_exists('link_compare')) { 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 if(! function_exists('prepare_body')) { function prepare_body($item,$attach = false) { $a = get_app(); call_hooks('prepare_body_init', $item); $cache = get_config('system','itemcache'); if (($cache != '')) { $cachefile = $cache."/".$item["guid"]."-".strtotime($item["edited"])."-".hash("crc32", $item['body']); if (file_exists($cachefile)) $s = file_get_contents($cachefile); else { $s = prepare_text($item['body']); file_put_contents($cachefile, $s); } } else $s = prepare_text($item['body']); $prep_arr = array('item' => $item, 'html' => $s); call_hooks('prepare_body', $prep_arr); $s = $prep_arr['html']; if(! $attach) { return $s; } $arr = explode(',',$item['attach']); if(count($arr)) { $s .= '<div class="body-attach">'; foreach($arr as $r) { $matches = false; $icon = ''; $cnt = preg_match('|\[attach\]href=\"(.*?)\" length=\"(.*?)\" type=\"(.*?)\" title=\"(.*?)\"\[\/attach\]|',$r,$matches); if($cnt) { $icontype = strtolower(substr($matches[3],0,strpos($matches[3],'/'))); switch($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; } $title = ((strlen(trim($matches[4]))) ? escape_tags(trim($matches[4])) : escape_tags($matches[1])); $title .= ' ' . $matches[2] . ' ' . t('bytes'); $s .= '<a href="' . strip_tags($matches[1]) . '" title="' . $title . '" class="attachlink" target="external-link" >' . $icon . '</a>'; } } $s .= '<div class="clear"></div></div>'; } $matches = false; $cnt = preg_match_all('/<(.*?)>/',$item['file'],$matches,PREG_SET_ORDER); if($cnt) { // logger('prepare_text: categories: ' . print_r($matches,true), LOGGER_DEBUG); foreach($matches as $mtch) { if(strlen($x)) $x .= ','; $x .= xmlify(file_tag_decode($mtch[1])); } if(strlen($x)) $s .= '<div class="categorytags"><span>' . t('Categories:') . ' </span>' . $x . '</div>'; } $matches = false; $x = ''; $cnt = preg_match_all('/\[(.*?)\]/',$item['file'],$matches,PREG_SET_ORDER); if($cnt) { // logger('prepare_text: filed_under: ' . print_r($matches,true), LOGGER_DEBUG); foreach($matches as $mtch) { if(strlen($x)) $x .= ' '; $x .= xmlify(file_tag_decode($mtch[1])) . ' <a href="' . $a->get_baseurl() . '/filerm/' . $item['id'] . '?f=&term=' . xmlify(file_tag_decode($mtch[1])) . '" 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 $prep_arr['html']; }} // Given a text string, convert from bbcode to html and add smilie icons. if(! function_exists('prepare_text')) { function prepare_text($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 */ if(! function_exists('feed_hublinks')) { 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 $hubxml; }} /* return atom link elements for salmon endpoints */ if(! function_exists('feed_salmonlinks')) { function feed_salmonlinks($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 $salmon; }} if(! function_exists('get_plink')) { function get_plink($item) { $a = get_app(); if (x($item,'plink') && (! $item['private'])){ return array( 'href' => $item['plink'], 'title' => t('link to source'), ); } else { return false; } }} if(! function_exists('unamp')) { function unamp($s) { return str_replace('&', '&', $s); }} if(! function_exists('lang_selector')) { function lang_selector() { global $lang; $o = '<div id="lang-select-icon" class="icon language" title="' . t('Select an alternate language') . '" onclick="openClose(\'language-selector\');" ></div>'; $o .= '<div id="language-selector" style="display: none;" >'; $o .= '<form action="#" method="post" ><select name="system_language" onchange="this.form.submit();" >'; $langs = glob('view/*/strings.php'); if(is_array($langs) && count($langs)) { $langs[] = ''; if(! in_array('view/en/strings.php',$langs)) $langs[] = 'view/en/'; asort($langs); foreach($langs as $l) { if($l == '') { $default_selected = ((! x($_SESSION,'language')) ? ' selected="selected" ' : ''); $o .= '<option value="" ' . $default_selected . '>' . t('default') . '</option>'; continue; } $ll = substr($l,5); $ll = substr($ll,0,strrpos($ll,'/')); $selected = (($ll === $lang && (x($_SESSION, 'language'))) ? ' selected="selected" ' : ''); $o .= '<option value="' . $ll . '"' . $selected . '>' . $ll . '</option>'; } } $o .= '</select></form></div>'; return $o; }} if(! function_exists('return_bytes')) { function return_bytes ($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 = false) { $s = strtr(base64_encode($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,'-_','+/')); } if (!function_exists('str_getcsv')) { function str_getcsv($input, $delimiter = ',', $enclosure = '"', $escape = '\\', $eol = '\n') { if (is_string($input) && !empty($input)) { $output = array(); $tmp = preg_split("/".$eol."/",$input); if (is_array($tmp) && !empty($tmp)) { while (list($line_num, $line) = each($tmp)) { if (preg_match("/".$escape.$enclosure."/",$line)) { while ($strlen = strlen($line)) { $pos_delimiter = strpos($line,$delimiter); $pos_enclosure_start = strpos($line,$enclosure); if ( is_int($pos_delimiter) && is_int($pos_enclosure_start) && ($pos_enclosure_start < $pos_delimiter) ) { $enclosed_str = substr($line,1); $pos_enclosure_end = strpos($enclosed_str,$enclosure); $enclosed_str = substr($enclosed_str,0,$pos_enclosure_end); $output[$line_num][] = $enclosed_str; $offset = $pos_enclosure_end+3; } else { if (empty($pos_delimiter) && empty($pos_enclosure_start)) { $output[$line_num][] = substr($line,0); $offset = strlen($line); } else { $output[$line_num][] = substr($line,0,$pos_delimiter); $offset = ( !empty($pos_enclosure_start) && ($pos_enclosure_start < $pos_delimiter) ) ?$pos_enclosure_start :$pos_delimiter+1; } } $line = substr($line,$offset); } } else { $line = preg_split("/".$delimiter."/",$line); /* * Validating against pesky extra line breaks creating false rows. */ if (is_array($line) && !empty($line[0])) { $output[$line_num] = $line; } } } return $output; } else { return false; } } else { return false; } } } function cleardiv() { return '<div class="clear"></div>'; } function bb_translate_video($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') $str = preg_quote( '[' . str_replace('%','%%',file_tag_encode($s)) . ']' ); else $str = preg_quote( '<' . str_replace('%','%%',file_tag_encode($s)) . '>' ); return " AND " . (($table) ? dbesc($table) . '.' : '') . "file regexp '" . dbesc($str) . "' "; } // ex. given music,video return <music><video> or [music][video] function file_tag_list_to_file($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', $file_new); } return true; } function file_tag_save_file($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) { $result = false; if(! intval($uid)) return false; $pattern = '[' . file_tag_encode($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) ); $r = q("select file from item where uid = %d " . file_tag_file_query('item',$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; }