replace) * @return string substituted string */ function replace_macros($s,$r) { $a = get_app(); $t = $a->template_engine(); $output = $t->replace_macros($s,$r); 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. * * @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)); } // use this on "body" or "content" input where angle chars shouldn't be removed, // and allow them to be safely displayed. /** * 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($string, ENT_COMPAT, 'UTF-8', false)); } function z_input_filter($channel_id,$s,$type = 'text/bbcode') { if($type === 'text/bbcode') return escape_tags($s); if($type === 'text/markdown') return escape_tags($s); if($type == 'text/plain') return escape_tags($s); $r = q("select account_id, account_roles from account left join channel on channel_account_id = account_id where channel_id = %d limit 1", intval($channel_id) ); if($r && ($r[0]['account_roles'] & ACCOUNT_ROLE_ALLOWCODE)) { if(local_user() && (get_account_id() == $r[0]['account_id'])) { return $s; } } if($type === 'text/html') return purify_html($s); return escape_tags($s); } function purify_html($s) { require_once('library/HTMLPurifier.auto.php'); require_once('include/html2bbcode.php'); // FIXME this function has html output, not bbcode - so safely purify these // $s = html2bb_video($s); // $s = oembed_html2bbcode($s); $config = HTMLPurifier_Config::createDefault(); $config->set('Cache.DefinitionImpl', null); $purifier = new HTMLPurifier($config); return $purifier->purify($s); } // generate a string that's random, but usually pronounceable. // used to generate initial passwords /** * 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. /** * 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; } } $buffer = trim($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 $ret; } // convenience wrapper, reverse the operation "bin2hex" // This is a built-in function in php >= 5.4 if(! function_exists('hex2bin')) { function hex2bin($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']) { $o .= '
'; if($a->pager['page'] != 1) $o .= ''."pager['page'] - 1).'">' . t('prev') . ' '; $o .= "" . 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)); } for($i = $numstart; $i <= $numstop; $i++){ if($i == $a->pager['page']) $o .= ''.(($i < 10) ? ' '.$i : $i); else $o .= "".(($i < 10) ? ' '.$i : $i).""; $o .= ' '; } if(($a->pager['total'] % $a->pager['itemspage']) != 0) { if($i == $a->pager['page']) $o .= ''.(($i < 10) ? ' '.$i : $i); else $o .= "".(($i < 10) ? ' '.$i : $i).""; $o .= ' '; } $lastpage = (($numpages > intval($numpages)) ? intval($numpages)+1 : $numpages); $o .= "" . t('last') . " "; if(($a->pager['total'] - ($a->pager['itemspage'] * $a->pager['page'])) > 0) $o .= ''."pager['page'] + 1).'">' . t('next') . ''; $o .= '
'."\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() . '/' . $stripped; return replace_macros(get_markup_template('alt_pager.tpl'),array( '$has_less' => (($a->pager['page'] > 1) ? true : false), '$has_more' => (($i > 0 && $i >= $a->pager['itemspage']) ? true : false), '$less' => $less, '$more' => $more, '$url' => $url, '$prevpage' => $a->pager['page'] - 1, '$nextpage' => $a->pager['page'] + 1, )); } // Turn user/group ACLs stored as angle bracketed text into arrays function expand_acl($s) { // turn string array of angle-bracketed elements into string array // e.g. "<123xyz><246qyo>" => 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(); $mid = $hash . '@' . get_app()->get_hostname(); $r = q("SELECT `id` FROM `item` WHERE `mid` = '%s' LIMIT 1", dbesc($mid)); if(count($r)) $dups = true; } while($dups == true); return $mid; } // 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" . '' . "\r\n"; $o .= "\t\t" . '' . "\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 = '
'; $o .= '
'; $o .= ''; $o .= ''; if($save) $o .= ''; $o .= '
'; 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\:\/\-\?\&\;\.\=\_\@\~\#\'\%\$\!\+]*)/", ' $1', $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; $s = preg_replace_callback('/
(.*?)<\/pre>/ism','smile_encode',$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',
		'red#',
		'r#',
		'~friendica'

	);

	$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',
		'red# the Red Matrix',
		'r# the Red Matrix',
		'~friendica ~friendica'
	);

	$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

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;
}



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 unobscure(&$item) {
	if(array_key_exists('item_flags',$item) && ($item['item_flags'] & ITEM_OBSCURED)) {
		$key = get_config('system','prvkey');
		if($item['title'])
			$item['title'] = crypto_unencapsulate(json_decode_plus($item['title']),$key);
		if($item['body'])
			$item['body'] = crypto_unencapsulate(json_decode_plus($item['body']),$key);
	}

}

function theme_attachments(&$item) {

	$arr = json_decode_plus($item['attach']);
	if(is_array($arr) && count($arr)) {
		$attaches = array();
		foreach($arr as $r) {
			$icon = '';
			$icontype = substr($r['type'],0,strpos($r['type'],'/'));

			// FIXME This should probably be a giant "if" statement in the template so that we don't have icon names
			// embedded in php code

			switch($icontype) {
				case 'video':
					$icon = 'icon-facetime-video';
					break;
				case 'audio':
					$icon = 'icon-volume-up';
					break;
				case 'image':
					$icon = 'icon-picture';
					break;
				case 'text':
					$icon = 'icon-align-justify';
					break;
				default:
					$icon = 'icon-question';
					break;
			}

			$title = htmlentities($r['title'], ENT_COMPAT,'UTF-8');
			if(! $title)
				$title = t('unknown.???');
			$title .= ' ' . $r['length'] . ' ' . t('bytes');

			$url = z_root() . '/magic?f=&hash=' . $item['author_xchan'] . '&dest=' . $r['href'] . '/' . $r['revision'];
			$s .= '' . $icon . '';
			$attaches[] = array('title' => $title, 'url' => $url, 'icon' => $icon );

		}


	}

	$s = replace_macros(get_markup_template('item_attach.tpl'), array(
		'$attaches' => $attaches
	));

	return $s;

}


function format_categories(&$item,$writeable) {

	$s = '';
	$terms = get_terms_oftype($item['term'],TERM_CATEGORY);
	if($terms) {
		$categories = array();
		foreach($terms as $t) {
			$term = htmlspecialchars($t['term'],ENT_COMPAT,'UTF-8') ;
			if(! trim($term))
				continue;
			$removelink = (($writeable) ?  z_root() . '/filerm/' . $item['id'] . '?f=&cat=' . urlencode($t['term']) : '');
			$categories[] = array('term' => $term, 'writeable' => $writeable, 'removelink' => $removelink, 'url' => $t['url']);
		}
	}
	$s = replace_macros(get_markup_template('item_categories.tpl'),array(
		'$remove' => t('remove category'),
		'$categories' => $categories
	));
	return $s;
}


function format_filer(&$item) {

	$s = '';
	$terms = get_terms_oftype($item['term'],TERM_FILE);
	if($terms) {
		$categories = array();
		foreach($terms as $t) {
			$term = htmlspecialchars($t['term'],ENT_COMPAT,'UTF-8') ;
			if(! trim($term))
				continue;
			$removelink = z_root() . '/filerm/' . $item['id'] . '?f=&term=' . urlencode($t['term']);
			$categories[] = array('term' => $term, 'removelink' => $removelink);
		}
	}
	$s = replace_macros(get_markup_template('item_filer.tpl'),array(
		'$remove' => t('remove from file'),
		'$categories' => $categories
	));
	return $s;
}





function prepare_body(&$item,$attach = false) {

	$a = get_app();



	call_hooks('prepare_body_init', $item); 

	unobscure($item);

	$s = prepare_text($item['body'],$item['mimetype']);

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

	if(! $attach) {
		return $s;
	}


	$s .= theme_attachments($item);


	$writeable = ((get_observer_hash() == $item['owner_xchan']) ? true : false); 

	$s .= format_categories($item,$writeable);

	if(local_user() == $item['uid'])
		$s .= format_filer($item);

	// 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')).''. '