replace) * @return string substituted string */ function replace_macros($s,$r) { $stamp1 = microtime(true); $a = get_app(); // pass $baseurl to all templates $r['$baseurl'] = z_root(); $t = $a->template_engine(); try { $output = $t->replace_macros($s,$r); } catch (Exception $e) { echo "
".__function__.": ".$e->getMessage()."
"; killme(); } $a->save_timestamp($stamp1, "rendering"); return $output; }} // random string, there are 86 characters max in text mode, 128 for hex // output is urlsafe define('RANDOM_STRING_HEX', 0x00 ); define('RANDOM_STRING_TEXT', 0x01 ); if(! function_exists('random_string')) { function random_string($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)); }} if(! function_exists('notags')) { /** * 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. * * @param string $string Input string * @return string Filtered string */ function notags($string) { return(str_replace(array("<",">"), array('[',']'), $string)); // High-bit filter no longer used // return(str_replace(array("<",">","\xBA","\xBC","\xBE"), array('[',']','','',''), $string)); }} if(! function_exists('escape_tags')) { /** * use this on "body" or "content" input where angle chars shouldn't be removed, * and allow them to be safely displayed. * @param string $string * @return string */ function escape_tags($string) { return(htmlspecialchars($string, ENT_COMPAT, 'UTF-8', false)); }} // generate a string that's random, but usually pronounceable. // used to generate initial passwords if(! function_exists('autoname')) { /** * generate a string that's random, but usually pronounceable. * used to generate initial passwords * @param int $len * @return string */ function autoname($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')) { /** * escape text ($str) for XML transport * @param string $str * @return string Escaped text. */ function xmlify($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 = mb_ereg_replace("&", "&", $str); $buffer = mb_ereg_replace("'", "'", $buffer); $buffer = mb_ereg_replace('"', """, $buffer); $buffer = mb_ereg_replace("<", "<", $buffer); $buffer = mb_ereg_replace(">", ">", $buffer); */ $buffer = htmlspecialchars($str, ENT_QUOTES, "UTF-8"); $buffer = trim($buffer); return($buffer); }} if(! function_exists('unxmlify')) { /** * undo an xmlify * @param string $s xml escaped text * @return string unescaped text */ function unxmlify($s) { // $ret = str_replace('&','&', $s); // $ret = str_replace(array('<','>','"','''),array('<','>','"',"'"),$ret); /*$ret = mb_ereg_replace('&', '&', $s); $ret = mb_ereg_replace(''', "'", $ret); $ret = mb_ereg_replace('"', '"', $ret); $ret = mb_ereg_replace('<', "<", $ret); $ret = mb_ereg_replace('>', ">", $ret); */ $ret = htmlspecialchars_decode($s, ENT_QUOTES); return $ret; }} if(! function_exists('hex2bin')) { /** * convenience wrapper, reverse the operation "bin2hex" * @param string $s * @return number */ function hex2bin($s) { if(! (is_string($s) && strlen($s))) return ''; if(! ctype_xdigit($s)) { return($s); } return(pack("H*",$s)); }} if(! function_exists('paginate_data')) { /** * Automatica pagination data. * * @param App $a App instance * @param int $count [optional] item count (used with alt pager) * @return Array data for pagination template */ function paginate_data(&$a, $count=null) { $stripped = preg_replace('/([&?]page=[0-9]*)/','',$a->query_string); $stripped = str_replace('q=','',$stripped); $stripped = trim($stripped,'/'); $pagenum = $a->pager['page']; if (($a->page_offset != "") AND !preg_match('/[?&].offset=/', $stripped)) $stripped .= "&offset=".urlencode($a->page_offset); $url = z_root() . '/' . $stripped; $data = array(); function _l(&$d, $name, $url, $text, $class="") { if (!strpos($url, "?")) { if ($pos = strpos($url, "&")) $url = substr($url, 0, $pos)."?".substr($url, $pos + 1); } $d[$name] = array('url'=>$url, 'text'=>$text, 'class'=>$class); } if (!is_null($count)){ // alt pager if($a->pager['page']>1) _l($data, "prev", $url.'&page='.($a->pager['page'] - 1), t('newer')); if($count>0) _l($data, "next", $url.'&page='.($a->pager['page'] + 1), t('older')); } else { // full pager if($a->pager['total'] > $a->pager['itemspage']) { if($a->pager['page'] != 1) _l($data, "prev", $url.'&page='.($a->pager['page'] - 1), t('prev')); _l($data, "first", $url."&page=1", t('first')); $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)); } $pages = array(); for($i = $numstart; $i <= $numstop; $i++){ if($i == $a->pager['page']) _l($pages, $i, "#", $i, "current"); else _l($pages, $i, $url."&page=$i", $i, "n"); } if(($a->pager['total'] % $a->pager['itemspage']) != 0) { if($i == $a->pager['page']) _l($pages, $i, "#", $i, "current"); else _l($pages, $i, $url."&page=$i", $i, "n"); } $data['pages'] = $pages; $lastpage = (($numpages > intval($numpages)) ? intval($numpages)+1 : $numpages); _l($data, "last", $url."&page=$lastpage", t('last')); if(($a->pager['total'] - ($a->pager['itemspage'] * $a->pager['page'])) > 0) _l($data, "next", $url."&page=".($a->pager['page'] + 1), t('next')); } } return $data; }} if(! function_exists('paginate')) { /** * 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. * * @param App $a App instance * @return string html for pagination #FIXME remove html */ function paginate(&$a) { $data = paginate_data($a); $tpl = get_markup_template("paginate.tpl"); return replace_macros($tpl, array("pager" => $data)); }} if(! function_exists('alt_pager')) { /** * Alternative pager * @param App $a App instance * @param int $i * @return string html for pagination #FIXME remove html */ function alt_pager(&$a, $i) { $data = paginate_data($a, $i); $tpl = get_markup_template("paginate.tpl"); return replace_macros($tpl, array('pager' => $data)); }} if(! function_exists('scroll_loader')) { /** * Loader for infinite scrolling * @return string html for loader */ function scroll_loader() { $tpl = get_markup_template("scroll_loader.tpl"); return replace_macros($tpl, array( 'wait' => t('Loading more entries...'), 'end' => t('The end') )); }} if(! function_exists('expand_acl')) { /** * Turn user/group ACLs stored as angle bracketed text into arrays * * @param string $s * @return array */ function expand_acl($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; }} if(! function_exists('sanitise_acl')) { /** * Wrap ACL elements in angle brackets for storage * @param string $item */ function sanitise_acl(&$item) { if(intval($item)) $item = '<' . intval(notags(trim($item))) . '>'; else unset($item); }} if(! function_exists('perms2str')) { /** * Convert an ACL array to a storable string * * Normally ACL permissions will be an array. * We'll also allow a comma-separated string. * * @param string|array $p * @return string */ function perms2str($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; }} if(! function_exists('item_new_uri')) { /** * generate a guaranteed unique (for this domain) item ID for ATOM * safe from birthday paradox * * @param string $hostname * @param int $uid * @return string */ function item_new_uri($hostname,$uid, $guid = "") { do { $dups = false; if ($guid == "") $hash = get_guid(32); else { $hash = $guid; $guid = ""; } $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')) { /** * Generate a guaranteed unique photo ID. * safe from birthday paradox * * @return string */ 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; }} if(! function_exists('load_view_file')) { /** * @deprecated * wrapper to load a view template, checking for alternate * languages before falling back to the default * * @global string $lang * @global App $a * @param string $s view name * @return string */ function load_view_file($s) { global $lang, $a; if(! isset($lang)) $lang = 'en'; $b = basename($s); $d = dirname($s); if(file_exists("$d/$lang/$b")) { $stamp1 = microtime(true); $content = file_get_contents("$d/$lang/$b"); $a->save_timestamp($stamp1, "file"); return $content; } $theme = current_theme(); if(file_exists("$d/theme/$theme/$b")) { $stamp1 = microtime(true); $content = file_get_contents("$d/theme/$theme/$b"); $a->save_timestamp($stamp1, "file"); return $content; } $stamp1 = microtime(true); $content = file_get_contents($s); $a->save_timestamp($stamp1, "file"); return $content; }} if(! function_exists('get_intltext_template')) { /** * load a view template, checking for alternate * languages before falling back to the default * * @global string $lang * @param string $s view path * @return string */ function get_intltext_template($s) { global $lang; $a = get_app(); $engine = ''; if($a->theme['template_engine'] === 'smarty3') $engine = "/smarty3"; if(! isset($lang)) $lang = 'en'; if(file_exists("view/$lang$engine/$s")) { $stamp1 = microtime(true); $content = file_get_contents("view/$lang$engine/$s"); $a->save_timestamp($stamp1, "file"); return $content; } elseif(file_exists("view/en$engine/$s")) { $stamp1 = microtime(true); $content = file_get_contents("view/en$engine/$s"); $a->save_timestamp($stamp1, "file"); return $content; } else { $stamp1 = microtime(true); $content = file_get_contents("view$engine/$s"); $a->save_timestamp($stamp1, "file"); return $content; } }} if(! function_exists('get_markup_template')) { /** * load template $s * * @param string $s * @param string $root * @return string */ function get_markup_template($s, $root = '') { $stamp1 = microtime(true); $a = get_app(); $t = $a->template_engine(); try { $template = $t->get_template_file($s, $root); } catch (Exception $e) { echo "
".__function__.": ".$e->getMessage()."
"; killme(); } $a->save_timestamp($stamp1, "file"); return $template; }} if(! function_exists("get_template_file")) { /** * * @param App $a * @param string $filename * @param string $root * @return string */ function get_template_file($a, $filename, $root = '') { $theme = current_theme(); // Make sure $root ends with a slash / if($root !== '' && $root[strlen($root)-1] !== '/') $root = $root . '/'; if(file_exists("{$root}view/theme/$theme/$filename")) $template_file = "{$root}view/theme/$theme/$filename"; elseif (x($a->theme_info,"extends") && file_exists("{$root}view/theme/{$a->theme_info["extends"]}/$filename")) $template_file = "{$root}view/theme/{$a->theme_info["extends"]}/$filename"; elseif (file_exists("{$root}/$filename")) $template_file = "{$root}/$filename"; else $template_file = "{$root}view/$filename"; return $template_file; }} if(! function_exists('attribute_contains')) { /** * 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 * * @param string $attr attribute value * @param string $s string to search * @return boolean True if found, False otherwise */ function attribute_contains($attr,$s) { $a = explode(' ', $attr); if(count($a) && in_array($s,$a)) return true; return false; }} if(! function_exists('logger')) { /* setup int->string log level map */ $LOGGER_LEVELS = array(); /** * log levels: * LOGGER_NORMAL (default) * LOGGER_TRACE * LOGGER_DEBUG * LOGGER_DATA * LOGGER_ALL * * @global App $a * @global dba $db * @param string $msg * @param int $level */ function logger($msg,$level = 0) { // turn off logger in install mode global $a; global $db; global $LOGGER_LEVELS; if(($a->module == 'install') || (! ($db && $db->connected))) return; if (count($LOGGER_LEVELS)==0){ foreach (get_defined_constants() as $k=>$v){ if (substr($k,0,7)=="LOGGER_") $LOGGER_LEVELS[$v] = substr($k,7,7); } } $debugging = get_config('system','debugging'); $loglevel = intval(get_config('system','loglevel')); $logfile = get_config('system','logfile'); if((! $debugging) || (! $logfile) || ($level > $loglevel)) return; $callers = debug_backtrace(); $logline = sprintf("%s@%s\t[%s]:%s:%s:%s\t%s\n", datetime_convert(), session_id(), $LOGGER_LEVELS[$level], basename($callers[0]['file']), $callers[0]['line'], $callers[1]['function'], $msg ); $stamp1 = microtime(true); @file_put_contents($logfile, $logline, FILE_APPEND); $a->save_timestamp($stamp1, "file"); return; }} if(! function_exists('activity_match')) { /** * Compare activity uri. Knows about activity namespace. * * @param string $haystack * @param string $needle * @return boolean */ function activity_match($haystack,$needle) { if(($haystack === $needle) || ((basename($needle) === $haystack) && strstr($needle,NAMESPACE_ACTIVITY_SCHEMA))) return true; return false; }} if(! function_exists('get_tags')) { /** * 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. * * @param string $s * @return array */ function get_tags($s) { $ret = array(); // Convert hashtag links to hashtags $s = preg_replace("/#\[url\=([^\[\]]*)\](.*?)\[\/url\]/ism", "#$2", $s); // ignore anything in a code block $s = preg_replace('/\[code\](.*?)\[\/code\]/sm','',$s); // Force line feeds at bbtags $s = str_replace(array("[", "]"), array("\n[", "]\n"), $s); // ignore anything in a bbtag $s = preg_replace('/\[(.*?)\]/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; }} // if(! function_exists('qp')) { /** * quick and dirty quoted_printable encoding * * @param string $s * @return string */ function qp($s) { return str_replace ("%","=",rawurlencode($s)); }} if(! function_exists('get_mentions')) { /** * @param array $item * @return string html for mentions #FIXME: remove html */ function get_mentions($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" . '' . "\r\n"; $o .= "\t\t" . '' . "\r\n"; } } if (!$item['private']) { $o .= "\t\t".''."\r\n"; $o .= "\t\t".''."\r\n"; } return $o; }} if(! function_exists('contact_block')) { /** * Get html for contact block. * * @template contact_block.tpl * @hook contact_block_end (contacts=>array, output=>string) * @return string */ 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; $r = q("SELECT COUNT(*) AS `total` FROM `contact` WHERE `uid` = %d AND `self` = 0 AND `blocked` = 0 and `pending` = 0 AND `hidden` = 0 AND `archive` = 0 AND `network` IN ('%s', '%s', '%s')", intval($a->profile['uid']), dbesc(NETWORK_DFRN), dbesc(NETWORK_OSTATUS), dbesc(NETWORK_DIASPORA) ); if(count($r)) { $total = intval($r[0]['total']); } if(! $total) { $contacts = t('No contacts'); $micropro = Null; } else { $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 0 AND `blocked` = 0 and `pending` = 0 AND `hidden` = 0 AND `archive` = 0 AND `network` IN ('%s', '%s', '%s') ORDER BY RAND() LIMIT %d", intval($a->profile['uid']), dbesc(NETWORK_DFRN), dbesc(NETWORK_OSTATUS), dbesc(NETWORK_DIASPORA), 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')) { /** * * @param array $contact * @param boolean $redirect * @param string $class * @param boolean $textmode * @return string #FIXME: remove html */ function micropro($contact, $redirect = false, $class = '', $textmode = false) { if($class) $class = ' ' . $class; if ($contact["addr"] == "") $contact["addr"] = $contact["url"]; $url = $contact['url']; $sparkle = ''; $redir = false; if($redirect) { $a = get_app(); $redirect_url = z_root() . '/redir/' . $contact['id']; if(local_user() && ($contact['uid'] == local_user()) && ($contact['network'] === 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 '
'. $contact['name'] . '
' . "\r\n"; } else { return '
' . $contact['name'] . '
' . "\r\n"; } }} if(! function_exists('search')) { /** * search box * * @param string $s search query * @param string $id html id * @param string $url search url * @param boolean $savedsearch show save search button */ function search($s,$id='search-box',$url='/search',$save = false, $aside = true) { $a = get_app(); $values = array( '$s' => $s, '$id' => $id, '$action_url' => $a->get_baseurl((stristr($url,'network')) ? true : false) . $url, '$search_label' => t('Search'), '$save_label' => t('Save'), '$savedsearch' => feature_enabled(local_user(),'savedsearch'), ); if (!$aside) { $values['$searchoption'] = array( t("Full Text"), t("Tags"), t("Contacts")); if (get_config('system','poco_local_search')) $values['$searchoption'][] = t("Forums"); } return replace_macros(get_markup_template('searchbox.tpl'), $values); }} if(! function_exists('valid_email')) { /** * Check if $x is a valid email string * * @param string $x * @return boolean */ function valid_email($x){ // Removed because Fabio told me so. //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; }} if(! function_exists('linkify')) { /** * Replace naked text hyperlink with HTML formatted hyperlink * * @param string $s */ function linkify($s) { $s = preg_replace("/(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\'\%\$\!\+]*)/", ' $1', $s); $s = preg_replace("/\<(.*?)(src|href)=(.*?)\&\;(.*?)\>/ism",'<$1$2=$3&$4>',$s); return($s); }} /** * Load poke verbs * * @return array index is present tense verb value is array containing past tense verb, translation of present, translation of past * @hook poke_verbs pokes array */ 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; } /** * Load moods * @return array index is mood, value is translated mood * @hook mood_verbs moods array */ function get_mood_verbs() { $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; } if(! function_exists('smilies')) { /** * Replaces text emoticons with graphical images * * 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 * * @param string $s * @param boolean $sample * @return string * @hook smilie ('texts' => smilies texts array, 'icons' => smilies html array, 'string' => $s) */ function smilies($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; $s = preg_replace_callback('/
(.*?)<\/pre>/ism','smile_encode',$s);
	$s = preg_replace_callback('/(.*?)<\/code>/ism','smile_encode',$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',
		'~friendica',
		'red#',
		'red#matrix'

	);

	$icons = 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',
		'~friendica ~friendica',
		'redredmatrix',
		'redredmatrix'
	);

	$params = array('texts' => $texts, 'icons' => $icons, 'string' => $s);
	call_hooks('smilie', $params);

	if($sample) {
		$s = '
';
		for($x = 0; $x < count($params['texts']); $x ++) {
			$s .= '
' . $params['texts'][$x] . '
' . $params['icons'][$x] . '
';
		}
	}
	else {
		$params['string'] = preg_replace_callback('/<(3+)/','preg_heart',$params['string']);
		$s = str_replace($params['texts'],$params['icons'],$params['string']);
	}

	$s = preg_replace_callback('/
(.*?)<\/pre>/ism','smile_decode',$s);
	$s = preg_replace_callback('/(.*?)<\/code>/ism','smile_decode',$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
 *
 * @param string $x
 * @return string
 */
function preg_heart($x) {
	$a = get_app();
	if(strlen($x[1]) == 1)
		return $x[0];
	$t = '';
	for($cnt = 0; $cnt < strlen($x[1]); $cnt ++)
		$t .= '<3';
	$r =  str_replace($x[0],$t,$x[0]);
	return $r;
}


if(! function_exists('day_translate')) {
/**
 * Translate days and months names
 *
 * @param string $s
 * @return string
 */
function day_translate($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')) {
/**
 * Normalize url
 *
 * @param string $url
 * @return string
 */
function normalise_link($url) {
	$ret = str_replace(array('https:','//www.'), array('http:','//'), $url);
	return(rtrim($ret,'/'));
}}



if(! function_exists('link_compare')) {
/**
 * 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.
 *
 * @param string $a first url
 * @param string $b second url
 * @return boolean True if the URLs match, otherwise False
 *
 */
function link_compare($a,$b) {
	if(strcasecmp(normalise_link($a),normalise_link($b)) === 0)
		return true;
	return false;
}}


if(! function_exists('redir_private_images')) {
/**
 * Find any non-embedded images in private items and add redir links to them
 *
 * @param App $a
 * @param array $item
 */
function redir_private_images($a, &$item) {

	$matches = false;
	$cnt = preg_match_all('|\[img\](http[^\[]*?/photo/[a-fA-F0-9]+?(-[0-9]\.[\w]+?)?)\[\/img\]|', $item['body'], $matches, PREG_SET_ORDER);
	if($cnt) {
		//logger("redir_private_images: matches = " . print_r($matches, true));
		foreach($matches as $mtch) {
			if(strpos($mtch[1], '/redir') !== false)
				continue;

			if((local_user() == $item['uid']) && ($item['private'] != 0) && ($item['contact-id'] != $a->contact['id']) && ($item['network'] == NETWORK_DFRN)) {
				//logger("redir_private_images: redir");
				$img_url = z_root() . '/redir?f=1&quiet=1&url=' . $mtch[1] . '&conurl=' . $item['author-link'];
				$item['body'] = str_replace($mtch[0], "[img]".$img_url."[/img]", $item['body']);
			}
		}
	}

}}

function put_item_in_cache(&$item, $update = false) {

	if (($item["rendered-hash"] != hash("md5", $item["body"])) OR ($item["rendered-hash"] == "") OR
		($item["rendered-html"] == "") OR get_config("system", "ignore_cache")) {

		// The function "redir_private_images" changes the body.
		// I'm not sure if we should store it permanently, so we save the old value.
		$body = $item["body"];

		$a = get_app();
		redir_private_images($a, $item);

		$item["rendered-html"] = prepare_text($item["body"]);
		$item["rendered-hash"] = hash("md5", $item["body"]);
		$item["body"] = $body;

		if ($update AND ($item["id"] != 0)) {
			q("UPDATE `item` SET `rendered-html` = '%s', `rendered-hash` = '%s' WHERE `id` = %d",
				dbesc($item["rendered-html"]), dbesc($item["rendered-hash"]), intval($item["id"]));
		}
	}
}

// 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')) {
/**
 * 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
 *
 * @param array $item
 * @param boolean $attach
 * @return string item body html
 * @hook prepare_body_init item array before any work
 * @hook prepare_body ('item'=>item array, 'html'=>body string) after first bbcode to html
 * @hook prepare_body_final ('item'=>item array, 'html'=>body string) after attach icons and blockquote special case handling (spoiler, author)
 */
function prepare_body(&$item,$attach = false, $preview = false) {

	$a = get_app();
	call_hooks('prepare_body_init', $item);

	$searchpath = z_root()."/search?tag=";

	$tags=array();
	$hashtags = array();
	$mentions = array();

	if (!get_config('system','suppress_tags')) {
		$taglist = q("SELECT `type`, `term`, `url` FROM `term` WHERE `otype` = %d AND `oid` = %d AND `type` IN (%d, %d) ORDER BY `tid`",
				intval(TERM_OBJ_POST), intval($item['id']), intval(TERM_HASHTAG), intval(TERM_MENTION));

		foreach($taglist as $tag) {

			if ($tag["url"] == "")
				$tag["url"] = $searchpath.strtolower($tag["term"]);

			if ($tag["type"] == TERM_HASHTAG) {
				$hashtags[] = "#".$tag["term"]."";
				$prefix = "#";
			} elseif ($tag["type"] == TERM_MENTION) {
				$mentions[] = "@".$tag["term"]."";
				$prefix = "@";
			}
			$tags[] = $prefix."".$tag["term"]."";
		}
	}

	$item['tags'] = $tags;
	$item['hashtags'] = $hashtags;
	$item['mentions'] = $mentions;

	// Update the cached values if there is no "zrl=..." on the links
	$update = (!local_user() and !remote_user() and ($item["uid"] == 0));

	// Or update it if the current viewer is the intented viewer
	if (($item["uid"] == local_user()) AND ($item["uid"] != 0))
		$update = true;

	put_item_in_cache($item, $update);
	$s = $item["rendered-html"];

	$prep_arr = array('item' => $item, 'html' => $s, 'preview' => $preview);
	call_hooks('prepare_body', $prep_arr);
	$s = $prep_arr['html'];

	if(! $attach) {
		// Replace the blockquotes with quotes that are used in mails
		$mailquote = '
';
		$s = str_replace(array('
', '
', '
'), array($mailquote, $mailquote, $mailquote), $s);
		return $s;
	}

	$as = '';
	$vhead = false;
	$arr = explode('[/attach],',$item['attach']);
	if(count($arr)) {
		$as .= '
';
		foreach($arr as $r) {
			$matches = false;
			$icon = '';
			$cnt = preg_match_all('|\[attach\]href=\"(.*?)\" length=\"(.*?)\" type=\"(.*?)\" title=\"(.*?)\"|',$r,$matches, PREG_SET_ORDER);
			if($cnt) {
				foreach($matches as $mtch) {
					$mime = $mtch[3];

					if((local_user() == $item['uid']) && ($item['contact-id'] != $a->contact['id']) && ($item['network'] == NETWORK_DFRN))
						$the_url = z_root() . '/redir/' . $item['contact-id'] . '?f=1&url=' . $mtch[1];
					else
						$the_url = $mtch[1];

					if(strpos($mime, 'video') !== false) {
						if(!$vhead) {
							$vhead = true;
							$a->page['htmlhead'] .= replace_macros(get_markup_template('videos_head.tpl'), array(
								'$baseurl' => z_root(),
							));
							$a->page['end'] .= replace_macros(get_markup_template('videos_end.tpl'), array(
								'$baseurl' => z_root(),
							));
						}

						$id = end(explode('/', $the_url));
						$as .= replace_macros(get_markup_template('video_top.tpl'), array(
							'$video'	=> array(
								'id'       => $id,
								'title' 	=> t('View Video'),
								'src'     	=> $the_url,
								'mime'		=> $mime,
							),
						));
					}

					$filetype = strtolower(substr( $mime, 0, strpos($mime,'/') ));
					if($filetype) {
						$filesubtype = strtolower(substr( $mime, strpos($mime,'/') + 1 ));
						$filesubtype = str_replace('.', '-', $filesubtype);
					}
					else {
						$filetype = 'unkn';
						$filesubtype = 'unkn';
					}

					$icon = '
';
					/*$icontype = strtolower(substr($mtch[3],0,strpos($mtch[3],'/')));
					switch($icontype) {
						case 'video':
						case 'audio':
						case 'image':
						case 'text':
							$icon = '
';
							break;
						default:
							$icon = '
';
							break;
					}*/

					$title = ((strlen(trim($mtch[4]))) ? escape_tags(trim($mtch[4])) : escape_tags($mtch[1]));
					$title .= ' ' . $mtch[2] . ' ' . t('bytes');

					$as .= '' . $icon . '';
				}
			}
		}
		$as .= '
';
	}
	$s = $s . $as;

	// map
	if(strpos($s,'
') !== false && $item['coord']) {
		$x = generate_map(trim($item['coord']));
		if($x) {
			$s = preg_replace('/\
/','$0' . $x,$s);
		}
	}


	// Look for spoiler
	$spoilersearch = '
';

	// Remove line breaks before the spoiler
	while ((strpos($s, "\n".$spoilersearch) !== false))
		$s = str_replace("\n".$spoilersearch, $spoilersearch, $s);
	while ((strpos($s, "
".$spoilersearch) !== false))
		$s = str_replace("
".$spoilersearch, $spoilersearch, $s);

	while ((strpos($s, $spoilersearch) !== false)) {

		$pos = strpos($s, $spoilersearch);
		$rnd = random_string(8);
		$spoilerreplace = '
 '.sprintf(t('Click to open/close')).''.
					'