2151 lines
		
	
	
	
		
			55 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			2151 lines
		
	
	
	
		
			55 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
<?php
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use Friendica\App;
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use Friendica\Content\Smilies;
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use Friendica\Core\Config;
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use Friendica\Core\PConfig;
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use Friendica\Core\System;
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use Friendica\Database\DBM;
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require_once "include/friendica_smarty.php";
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require_once "include/map.php";
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require_once "mod/proxy.php";
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/**
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 * This is our template processor
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 *
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 * @param string|FriendicaSmarty $s the string requiring macro substitution,
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 *				or an instance of FriendicaSmarty
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 * @param array $r key value pairs (search => replace)
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 * @return string substituted string
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 */
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function replace_macros($s, $r) {
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	$stamp1 = microtime(true);
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	$a = get_app();
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	// pass $baseurl to all templates
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	$r['$baseurl'] = System::baseUrl();
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	$t = $a->template_engine();
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	try {
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		$output = $t->replaceMacros($s, $r);
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	} catch (Exception $e) {
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		echo "<pre><b>" . __FUNCTION__ . "</b>: " . $e->getMessage() . "</pre>";
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		killme();
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	}
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	$a->save_timestamp($stamp1, "rendering");
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	return $output;
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}
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// PHP < 7 polyfill
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if (!is_callable('intdiv')) {
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	function intdiv($a, $b) {
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		return ($a - $a % $b) / $b;
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	}
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}
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/**
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 * @brief Generates a pseudo-random string of hexadecimal characters
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 *
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 * Only supports pair numbers of output characters.
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 *
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 * @param int $size
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 * @return string
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 */
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function random_string($size = 64)
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{
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	$bytes = random_bytes(intdiv((int) $size, 2));
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	$return = bin2hex($bytes);
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	return $return;
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}
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/**
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 * This is our primary input filter.
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 *
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 * The high bit hack only involved some old IE browser, forget which (IE5/Mac?)
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 * that had an XSS attack vector due to stripping the high-bit on an 8-bit character
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 * after cleansing, and angle chars with the high bit set could get through as markup.
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 *
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 * This is now disabled because it was interfering with some legitimate unicode sequences
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 * and hopefully there aren't a lot of those browsers left.
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 *
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 * Use this on any text input where angle chars are not valid or permitted
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 * They will be replaced with safer brackets. This may be filtered further
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 * if these are not allowed either.
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 *
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 * @param string $string Input string
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 * @return string Filtered string
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 */
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function notags($string) {
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	return str_replace(array("<", ">"), array('[', ']'), $string);
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//  High-bit filter no longer used
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//	return str_replace(array("<",">","\xBA","\xBC","\xBE"), array('[',']','','',''), $string);
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}
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/**
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 * use this on "body" or "content" input where angle chars shouldn't be removed,
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 * and allow them to be safely displayed.
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 * @param string $string
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 * @return string
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 */
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function escape_tags($string) {
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	return htmlspecialchars($string, ENT_COMPAT, 'UTF-8', false);
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}
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/**
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 * generate a string that's random, but usually pronounceable.
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 * used to generate initial passwords
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 * @param int $len
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 * @return string
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 */
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function autoname($len) {
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	if ($len <= 0) {
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		return '';
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	}
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	$vowels = array('a','a','ai','au','e','e','e','ee','ea','i','ie','o','ou','u');
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	if (mt_rand(0, 5) == 4) {
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		$vowels[] = 'y';
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	}
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	$cons = array(
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			'b','bl','br',
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			'c','ch','cl','cr',
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			'd','dr',
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			'f','fl','fr',
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			'g','gh','gl','gr',
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			'h',
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			'j',
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			'k','kh','kl','kr',
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			'l',
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			'm',
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			'n',
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			'p','ph','pl','pr',
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			'qu',
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			'r','rh',
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			's','sc','sh','sm','sp','st',
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			't','th','tr',
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			'v',
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			'w','wh',
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			'x',
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			'z','zh'
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			);
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	$midcons = array('ck','ct','gn','ld','lf','lm','lt','mb','mm', 'mn','mp',
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				'nd','ng','nk','nt','rn','rp','rt');
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	$noend = array('bl', 'br', 'cl','cr','dr','fl','fr','gl','gr',
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				'kh', 'kl','kr','mn','pl','pr','rh','tr','qu','wh');
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	$start = mt_rand(0,2);
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	if ($start == 0) {
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		$table = $vowels;
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	} else {
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		$table = $cons;
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	}
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	$word = '';
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	for ($x = 0; $x < $len; $x ++) {
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		$r = mt_rand(0,count($table) - 1);
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		$word .= $table[$r];
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		if ($table == $vowels) {
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			$table = array_merge($cons,$midcons);
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		} else {
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			$table = $vowels;
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		}
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	}
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	$word = substr($word,0,$len);
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	foreach ($noend as $noe) {
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		if ((strlen($word) > 2) && (substr($word, -2) == $noe)) {
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			$word = substr($word, 0, -1);
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			break;
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		}
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	}
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	if (substr($word, -1) == 'q') {
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		$word = substr($word, 0, -1);
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	}
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	return $word;
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}
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/**
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 * escape text ($str) for XML transport
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 * @param string $str
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 * @return string Escaped text.
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 */
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function xmlify($str) {
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	/// @TODO deprecated code found?
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/*	$buffer = '';
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	$len = mb_strlen($str);
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	for ($x = 0; $x < $len; $x ++) {
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		$char = mb_substr($str,$x,1);
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		switch($char) {
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			case "\r" :
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				break;
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			case "&" :
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				$buffer .= '&';
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				break;
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			case "'" :
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				$buffer .= ''';
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				break;
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			case "\"" :
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				$buffer .= '"';
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				break;
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			case '<' :
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				$buffer .= '<';
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				break;
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			case '>' :
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				$buffer .= '>';
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				break;
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			case "\n" :
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				$buffer .= "\n";
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				break;
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			default :
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				$buffer .= $char;
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				break;
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		}
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	}*/
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	/*
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	$buffer = mb_ereg_replace("&", "&", $str);
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	$buffer = mb_ereg_replace("'", "'", $buffer);
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	$buffer = mb_ereg_replace('"', """, $buffer);
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	$buffer = mb_ereg_replace("<", "<", $buffer);
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	$buffer = mb_ereg_replace(">", ">", $buffer);
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	*/
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	$buffer = htmlspecialchars($str, ENT_QUOTES, "UTF-8");
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	$buffer = trim($buffer);
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	return $buffer;
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}
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/**
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 * undo an xmlify
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 * @param string $s xml escaped text
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 * @return string unescaped text
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 */
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function unxmlify($s) {
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	/// @TODO deprecated code found?
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//	$ret = str_replace('&','&', $s);
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//	$ret = str_replace(array('<','>','"','''),array('<','>','"',"'"),$ret);
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	/*$ret = mb_ereg_replace('&', '&', $s);
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	$ret = mb_ereg_replace(''', "'", $ret);
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	$ret = mb_ereg_replace('"', '"', $ret);
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	$ret = mb_ereg_replace('<', "<", $ret);
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	$ret = mb_ereg_replace('>', ">", $ret);
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	*/
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	$ret = htmlspecialchars_decode($s, ENT_QUOTES);
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	return $ret;
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}
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/**
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 * @brief Paginator function. Pushes relevant links in a pager array structure.
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 *
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 * Links are generated depending on the current page and the total number of items.
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 * Inactive links (like "first" and "prev" on page 1) are given the "disabled" class.
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 * Current page link is given the "active" CSS class
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 *
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 * @param App $a App instance
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 * @param int $count [optional] item count (used with minimal pager)
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 * @return Array data for pagination template
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 */
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function paginate_data(App $a, $count = null) {
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	$stripped = preg_replace('/([&?]page=[0-9]*)/', '', $a->query_string);
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	$stripped = str_replace('q=', '', $stripped);
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	$stripped = trim($stripped, '/');
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	$pagenum = $a->pager['page'];
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	if (($a->page_offset != '') && !preg_match('/[?&].offset=/', $stripped)) {
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		$stripped .= '&offset=' . urlencode($a->page_offset);
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	}
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	$url = $stripped;
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	$data = array();
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	function _l(&$d, $name, $url, $text, $class = '') {
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		if (strpos($url, '?') === false && ($pos = strpos($url, '&')) !== false) {
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			$url = substr($url, 0, $pos) . '?' . substr($url, $pos + 1);
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		}
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		$d[$name] = array('url' => $url, 'text' => $text, 'class' => $class);
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	}
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	if (!is_null($count)) {
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		// minimal pager (newer / older)
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		$data['class'] = 'pager';
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		_l($data, 'prev', $url . '&page=' . ($a->pager['page'] - 1), t('newer'), 'previous' . ($a->pager['page'] == 1 ? ' disabled' : ''));
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		_l($data, 'next', $url . '&page=' . ($a->pager['page'] + 1), t('older'), 'next' . ($count <= 0 ? ' disabled' : ''));
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	} else {
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		// full pager (first / prev / 1 / 2 / ... / 14 / 15 / next / last)
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		$data['class'] = 'pagination';
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		if ($a->pager['total'] > $a->pager['itemspage']) {
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			_l($data, 'first', $url . '&page=1',  t('first'), $a->pager['page'] == 1 ? 'disabled' : '');
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			_l($data, 'prev', $url . '&page=' . ($a->pager['page'] - 1), t('prev'), $a->pager['page'] == 1 ? 'disabled' : '');
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			$numpages = $a->pager['total'] / $a->pager['itemspage'];
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			$numstart = 1;
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			$numstop = $numpages;
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			// Limit the number of displayed page number buttons.
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			if ($numpages > 8) {
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				$numstart = (($pagenum > 4) ? ($pagenum - 4) : 1);
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				$numstop = (($pagenum > ($numpages - 7)) ? $numpages : ($numstart + 8));
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			}
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			$pages = array();
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			for ($i = $numstart; $i <= $numstop; $i++) {
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				if ($i == $a->pager['page']) {
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					_l($pages, $i, '#',  $i, 'current active');
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				} else {
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					_l($pages, $i, $url . '&page='. $i, $i, 'n');
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				}
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			}
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			if (($a->pager['total'] % $a->pager['itemspage']) != 0) {
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				if ($i == $a->pager['page']) {
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					_l($pages, $i, '#',  $i, 'current active');
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				} else {
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					_l($pages, $i, $url . '&page=' . $i, $i, 'n');
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				}
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			}
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			$data['pages'] = $pages;
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			$lastpage = (($numpages > intval($numpages)) ? intval($numpages)+1 : $numpages);
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			_l($data, 'next', $url . '&page=' . ($a->pager['page'] + 1), t('next'), $a->pager['page'] == $lastpage ? 'disabled' : '');
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			_l($data, 'last', $url . '&page=' . $lastpage, t('last'), $a->pager['page'] == $lastpage ? 'disabled' : '');
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		}
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	}
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	return $data;
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}
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/**
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 * Automatic pagination.
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 *
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 *  To use, get the count of total items.
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 * Then call $a->set_pager_total($number_items);
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 * Optionally call $a->set_pager_itemspage($n) to the number of items to display on each page
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 * 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).
 | 
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 * When using with SQL, the setting LIMIT %d, %d => $a->pager['start'],$a->pager['itemspage']
 | 
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 * will limit the results to the correct items for the current page.
 | 
						|
 * The actual page handling is then accomplished at the application layer.
 | 
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 *
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 * @param App $a App instance
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 * @return string html for pagination #FIXME remove html
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 */
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function paginate(App $a) {
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	$data = paginate_data($a);
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	$tpl = get_markup_template("paginate.tpl");
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	return replace_macros($tpl, array("pager" => $data));
 | 
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 | 
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}
 | 
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 | 
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 | 
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/**
 | 
						|
 * Alternative pager
 | 
						|
 * @param App $a App instance
 | 
						|
 * @param int $i
 | 
						|
 * @return string html for pagination #FIXME remove html
 | 
						|
 */
 | 
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function alt_pager(App $a, $i) {
 | 
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 | 
						|
	$data = paginate_data($a, $i);
 | 
						|
	$tpl = get_markup_template("paginate.tpl");
 | 
						|
	return replace_macros($tpl, array('pager' => $data));
 | 
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 | 
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}
 | 
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 | 
						|
 | 
						|
/**
 | 
						|
 * 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')
 | 
						|
	));
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
/**
 | 
						|
 * 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;
 | 
						|
}
 | 
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 | 
						|
 | 
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/**
 | 
						|
 * 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);
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
/**
 | 
						|
 * 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;
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
/**
 | 
						|
 * 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, $guid = "") {
 | 
						|
 | 
						|
	do {
 | 
						|
		if ($guid == "") {
 | 
						|
			$hash = get_guid(32);
 | 
						|
		} else {
 | 
						|
			$hash = $guid;
 | 
						|
			$guid = "";
 | 
						|
		}
 | 
						|
 | 
						|
		$uri = "urn:X-dfrn:" . $hostname . ':' . $uid . ':' . $hash;
 | 
						|
 | 
						|
		$dups = dba::exists('item', array('uri' => $uri));
 | 
						|
	} while ($dups == true);
 | 
						|
 | 
						|
	return $uri;
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
/**
 | 
						|
 * 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 (DBM::is_result($r)) {
 | 
						|
			$found = true;
 | 
						|
		}
 | 
						|
	} while ($found == true);
 | 
						|
 | 
						|
	return $resource;
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
/**
 | 
						|
 * @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;
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
/**
 | 
						|
 * 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)) {
 | 
						|
		$lang = 'en';
 | 
						|
	}
 | 
						|
 | 
						|
	if (file_exists("view/lang/$lang$engine/$s")) {
 | 
						|
		$stamp1 = microtime(true);
 | 
						|
		$content = file_get_contents("view/lang/$lang$engine/$s");
 | 
						|
		$a->save_timestamp($stamp1, "file");
 | 
						|
		return $content;
 | 
						|
	} elseif (file_exists("view/lang/en$engine/$s")) {
 | 
						|
		$stamp1 = microtime(true);
 | 
						|
		$content = file_get_contents("view/lang/en$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;
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
/**
 | 
						|
 * 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 = $t->getTemplateFile($s, $root);
 | 
						|
	} catch (Exception $e) {
 | 
						|
		echo "<pre><b>" . __FUNCTION__ . "</b>: " . $e->getMessage() . "</pre>";
 | 
						|
		killme();
 | 
						|
	}
 | 
						|
 | 
						|
	$a->save_timestamp($stamp1, "file");
 | 
						|
 | 
						|
	return $template;
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
/**
 | 
						|
 *
 | 
						|
 * @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 !== '' && substr($root, -1, 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(sprintf('%sview/theme/%s}/%s', $root, $a->theme_info["extends"], $filename))) {
 | 
						|
		$template_file = sprintf('%sview/theme/%s}/%s', $root, $a->theme_info["extends"], $filename);
 | 
						|
	} elseif (file_exists("{$root}/$filename")) {
 | 
						|
		$template_file = "{$root}/$filename";
 | 
						|
	} else {
 | 
						|
		$template_file = "{$root}view/$filename";
 | 
						|
	}
 | 
						|
 | 
						|
	return $template_file;
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
/**
 | 
						|
 *  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(' ', $attr);
 | 
						|
	return (count($a) && in_array($s,$a));
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
/* setup int->string log level map */
 | 
						|
$LOGGER_LEVELS = array();
 | 
						|
 | 
						|
/**
 | 
						|
 * @brief Logs the given message at the given log level
 | 
						|
 *
 | 
						|
 * log levels:
 | 
						|
 * LOGGER_NORMAL (default)
 | 
						|
 * LOGGER_TRACE
 | 
						|
 * LOGGER_DEBUG
 | 
						|
 * LOGGER_DATA
 | 
						|
 * LOGGER_ALL
 | 
						|
 *
 | 
						|
 * @global App $a
 | 
						|
 * @global array $LOGGER_LEVELS
 | 
						|
 * @param string $msg
 | 
						|
 * @param int $level
 | 
						|
 */
 | 
						|
function logger($msg, $level = 0) {
 | 
						|
	$a = get_app();
 | 
						|
	global $LOGGER_LEVELS;
 | 
						|
 | 
						|
	// turn off logger in install mode
 | 
						|
	if (
 | 
						|
		$a->module == 'install'
 | 
						|
		|| !dba::$connected
 | 
						|
	) {
 | 
						|
		return;
 | 
						|
	}
 | 
						|
 | 
						|
	$debugging = Config::get('system','debugging');
 | 
						|
	$logfile   = Config::get('system','logfile');
 | 
						|
	$loglevel = intval(Config::get('system','loglevel'));
 | 
						|
 | 
						|
	if (
 | 
						|
		! $debugging
 | 
						|
		|| ! $logfile
 | 
						|
		|| $level > $loglevel
 | 
						|
	) {
 | 
						|
		return;
 | 
						|
	}
 | 
						|
 | 
						|
	if (count($LOGGER_LEVELS) == 0) {
 | 
						|
		foreach (get_defined_constants() as $k => $v) {
 | 
						|
			if (substr($k, 0, 7) == "LOGGER_") {
 | 
						|
				$LOGGER_LEVELS[$v] = substr($k, 7, 7);
 | 
						|
			}
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	$process_id = session_id();
 | 
						|
 | 
						|
	if ($process_id == '') {
 | 
						|
		$process_id = get_app()->process_id;
 | 
						|
	}
 | 
						|
 | 
						|
	$callers = debug_backtrace();
 | 
						|
	$logline = sprintf("%s@%s\t[%s]:%s:%s:%s\t%s\n",
 | 
						|
			datetime_convert('UTC', 'UTC', 'now', 'Y-m-d\TH:i:s\Z'),
 | 
						|
			$process_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");
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
 * @brief An alternative logger for development.
 | 
						|
 * Works largely as logger() but allows developers
 | 
						|
 * to isolate particular elements they are targetting
 | 
						|
 * personally without background noise
 | 
						|
 *
 | 
						|
 * log levels:
 | 
						|
 * LOGGER_NORMAL (default)
 | 
						|
 * LOGGER_TRACE
 | 
						|
 * LOGGER_DEBUG
 | 
						|
 * LOGGER_DATA
 | 
						|
 * LOGGER_ALL
 | 
						|
 *
 | 
						|
 * @global App $a
 | 
						|
 * @global array $LOGGER_LEVELS
 | 
						|
 * @param string $msg
 | 
						|
 * @param int $level
 | 
						|
 */
 | 
						|
 | 
						|
function dlogger($msg, $level = 0) {
 | 
						|
	$a = get_app();
 | 
						|
 | 
						|
	// turn off logger in install mode
 | 
						|
	if (
 | 
						|
		$a->module == 'install'
 | 
						|
		|| !dba::$connected
 | 
						|
	) {
 | 
						|
		return;
 | 
						|
	}
 | 
						|
 | 
						|
	$logfile = Config::get('system','dlogfile');
 | 
						|
 | 
						|
	if (! $logfile) {
 | 
						|
		return;
 | 
						|
	}
 | 
						|
 | 
						|
	if (count($LOGGER_LEVELS) == 0) {
 | 
						|
		foreach (get_defined_constants() as $k => $v) {
 | 
						|
			if (substr($k, 0, 7) == "LOGGER_") {
 | 
						|
				$LOGGER_LEVELS[$v] = substr($k, 7, 7);
 | 
						|
			}
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	$process_id = session_id();
 | 
						|
 | 
						|
	if ($process_id == '') {
 | 
						|
		$process_id = get_app()->process_id;
 | 
						|
	}
 | 
						|
 | 
						|
	$callers = debug_backtrace();
 | 
						|
	$logline = sprintf("%s@\t%s:\t%s:\t%s\t%s\t%s\n",
 | 
						|
			datetime_convert(),
 | 
						|
			$process_id,
 | 
						|
			basename($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");
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
/**
 | 
						|
 * Compare activity uri. Knows about activity namespace.
 | 
						|
 *
 | 
						|
 * @param string $haystack
 | 
						|
 * @param string $needle
 | 
						|
 * @return boolean
 | 
						|
 */
 | 
						|
function activity_match($haystack,$needle) {
 | 
						|
	return (($haystack === $needle) || ((basename($needle) === $haystack) && strstr($needle, NAMESPACE_ACTIVITY_SCHEMA)));
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
/**
 | 
						|
 * @brief Pull out all #hashtags and @person tags from $string.
 | 
						|
 *
 | 
						|
 * 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 $string Post content
 | 
						|
 * @return array List of tag and person names
 | 
						|
 */
 | 
						|
function get_tags($string) {
 | 
						|
	$ret = array();
 | 
						|
 | 
						|
	// Convert hashtag links to hashtags
 | 
						|
	$string = preg_replace('/#\[url\=([^\[\]]*)\](.*?)\[\/url\]/ism', '#$2', $string);
 | 
						|
 | 
						|
	// ignore anything in a code block
 | 
						|
	$string = preg_replace('/\[code\](.*?)\[\/code\]/sm', '', $string);
 | 
						|
 | 
						|
	// Force line feeds at bbtags
 | 
						|
	$string = str_replace(array('[', ']'), array("\n[", "]\n"), $string);
 | 
						|
 | 
						|
	// ignore anything in a bbtag
 | 
						|
	$string = preg_replace('/\[(.*?)\]/sm', '', $string);
 | 
						|
 | 
						|
	// Match full names against @tags including the space between first and last
 | 
						|
	// We will look these up afterward to see if they are full names or not recognisable.
 | 
						|
 | 
						|
	if (preg_match_all('/(@[^ \x0D\x0A,:?]+ [^ \x0D\x0A@,:?]+)([ \x0D\x0A@,:?]|$)/', $string, $matches)) {
 | 
						|
		foreach ($matches[1] as $match) {
 | 
						|
			if (strstr($match, ']')) {
 | 
						|
				// we might be inside a bbcode color tag - leave it alone
 | 
						|
				continue;
 | 
						|
			}
 | 
						|
			if (substr($match, -1, 1) === '.') {
 | 
						|
				$ret[] = substr($match, 0, -1);
 | 
						|
			} else {
 | 
						|
				$ret[] = $match;
 | 
						|
			}
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	// Otherwise pull out single word tags. These can be @nickname, @first_last
 | 
						|
	// and #hash tags.
 | 
						|
 | 
						|
	if (preg_match_all('/([!#@][^\^ \x0D\x0A,;:?]+)([ \x0D\x0A,;:?]|$)/', $string, $matches)) {
 | 
						|
		foreach ($matches[1] as $match) {
 | 
						|
			if (strstr($match, ']')) {
 | 
						|
				// we might be inside a bbcode color tag - leave it alone
 | 
						|
				continue;
 | 
						|
			}
 | 
						|
			if (substr($match, -1, 1) === '.') {
 | 
						|
				$match = substr($match,0,-1);
 | 
						|
			}
 | 
						|
			// ignore strictly numeric tags like #1
 | 
						|
			if ((strpos($match, '#') === 0) && ctype_digit(substr($match, 1))) {
 | 
						|
				continue;
 | 
						|
			}
 | 
						|
			// try not to catch url fragments
 | 
						|
			if (strpos($string, $match) && preg_match('/[a-zA-z0-9\/]/', substr($string, strpos($string, $match) - 1, 1))) {
 | 
						|
				continue;
 | 
						|
			}
 | 
						|
			$ret[] = $match;
 | 
						|
		}
 | 
						|
	}
 | 
						|
	return $ret;
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
/**
 | 
						|
 * quick and dirty quoted_printable encoding
 | 
						|
 *
 | 
						|
 * @param string $s
 | 
						|
 * @return string
 | 
						|
 */
 | 
						|
function qp($s) {
 | 
						|
	return str_replace("%", "=", rawurlencode($s));
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
/**
 | 
						|
 * 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();
 | 
						|
 | 
						|
	$shown = PConfig::get($a->profile['uid'], 'system', 'display_friend_count', 24);
 | 
						|
	if ($shown == 0) {
 | 
						|
		return;
 | 
						|
	}
 | 
						|
 | 
						|
	if (!is_array($a->profile) || $a->profile['hide-friends']) {
 | 
						|
		return $o;
 | 
						|
	}
 | 
						|
	$r = q("SELECT COUNT(*) AS `total` FROM `contact`
 | 
						|
			WHERE `uid` = %d AND NOT `self` AND NOT `blocked`
 | 
						|
				AND NOT `pending` AND NOT `hidden` AND NOT `archive`
 | 
						|
				AND `network` IN ('%s', '%s', '%s')",
 | 
						|
			intval($a->profile['uid']),
 | 
						|
			dbesc(NETWORK_DFRN),
 | 
						|
			dbesc(NETWORK_OSTATUS),
 | 
						|
			dbesc(NETWORK_DIASPORA)
 | 
						|
	);
 | 
						|
	if (DBM::is_result($r)) {
 | 
						|
		$total = intval($r[0]['total']);
 | 
						|
	}
 | 
						|
	if (!$total) {
 | 
						|
		$contacts = t('No contacts');
 | 
						|
		$micropro = null;
 | 
						|
	} else {
 | 
						|
		// Splitting the query in two parts makes it much faster
 | 
						|
		$r = q("SELECT `id` FROM `contact`
 | 
						|
				WHERE `uid` = %d AND NOT `self` AND NOT `blocked`
 | 
						|
					AND NOT `pending` AND NOT `hidden` AND NOT `archive`
 | 
						|
					AND `network` IN ('%s', '%s', '%s')
 | 
						|
				ORDER BY RAND() LIMIT %d",
 | 
						|
				intval($a->profile['uid']),
 | 
						|
				dbesc(NETWORK_DFRN),
 | 
						|
				dbesc(NETWORK_OSTATUS),
 | 
						|
				dbesc(NETWORK_DIASPORA),
 | 
						|
				intval($shown)
 | 
						|
		);
 | 
						|
		if (DBM::is_result($r)) {
 | 
						|
			$contacts = array();
 | 
						|
			foreach ($r AS $contact) {
 | 
						|
				$contacts[] = $contact["id"];
 | 
						|
			}
 | 
						|
			$r = q("SELECT `id`, `uid`, `addr`, `url`, `name`, `thumb`, `network` FROM `contact` WHERE `id` IN (%s)",
 | 
						|
				dbesc(implode(",", $contacts)));
 | 
						|
 | 
						|
			if (DBM::is_result($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;
 | 
						|
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
/**
 | 
						|
 * @brief Format contacts as picture links or as texxt links
 | 
						|
 *
 | 
						|
 * @param array $contact Array with contacts which contains an array with
 | 
						|
 *	int 'id' => The ID of the contact
 | 
						|
 *	int 'uid' => The user ID of the user who owns this data
 | 
						|
 *	string 'name' => The name of the contact
 | 
						|
 *	string 'url' => The url to the profile page of the contact
 | 
						|
 *	string 'addr' => The webbie of the contact (e.g.) username@friendica.com
 | 
						|
 *	string 'network' => The network to which the contact belongs to
 | 
						|
 *	string 'thumb' => The contact picture
 | 
						|
 *	string 'click' => js code which is performed when clicking on the contact
 | 
						|
 * @param boolean $redirect If true try to use the redir url if it's possible
 | 
						|
 * @param string $class CSS class for the
 | 
						|
 * @param boolean $textmode If true display the contacts as text links
 | 
						|
 *	if false display the contacts as picture links
 | 
						|
 | 
						|
 * @return string Formatted html
 | 
						|
 */
 | 
						|
function micropro($contact, $redirect = false, $class = '', $textmode = false) {
 | 
						|
 | 
						|
	// Use the contact URL if no address is available
 | 
						|
	if ($contact["addr"] == "") {
 | 
						|
		$contact["addr"] = $contact["url"];
 | 
						|
	}
 | 
						|
 | 
						|
	$url = $contact['url'];
 | 
						|
	$sparkle = '';
 | 
						|
	$redir = false;
 | 
						|
 | 
						|
	if ($redirect) {
 | 
						|
		$a = get_app();
 | 
						|
		$redirect_url = '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);
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	// If there is some js available we don't need the url
 | 
						|
	if (x($contact, 'click')) {
 | 
						|
		$url = '';
 | 
						|
	}
 | 
						|
 | 
						|
	return replace_macros(get_markup_template(($textmode)?'micropro_txt.tpl':'micropro_img.tpl'),array(
 | 
						|
		'$click' => (($contact['click']) ? $contact['click'] : ''),
 | 
						|
		'$class' => $class,
 | 
						|
		'$url' => $url,
 | 
						|
		'$photo' => proxy_url($contact['thumb'], false, PROXY_SIZE_THUMB),
 | 
						|
		'$name' => $contact['name'],
 | 
						|
		'title' => $contact['name'] . ' [' . $contact['addr'] . ']',
 | 
						|
		'$parkle' => $sparkle,
 | 
						|
		'$redir' => $redir,
 | 
						|
 | 
						|
	));
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
 * 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' => htmlspecialchars($s),
 | 
						|
			'$id' => $id,
 | 
						|
			'$action_url' => $url,
 | 
						|
			'$search_label' => t('Search'),
 | 
						|
			'$save_label' => t('Save'),
 | 
						|
			'$savedsearch' => feature_enabled(local_user(),'savedsearch'),
 | 
						|
			'$search_hint' => t('@name, !forum, #tags, content'),
 | 
						|
		);
 | 
						|
 | 
						|
	if (!$aside) {
 | 
						|
		$values['$searchoption'] = array(
 | 
						|
					t("Full Text"),
 | 
						|
					t("Tags"),
 | 
						|
					t("Contacts"));
 | 
						|
 | 
						|
		if (Config::get('system','poco_local_search')) {
 | 
						|
			$values['$searchoption'][] = t("Forums");
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	return replace_macros(get_markup_template('searchbox.tpl'), $values);
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
 * Check if $x is a valid email string
 | 
						|
 *
 | 
						|
 * @param string $x
 | 
						|
 * @return boolean
 | 
						|
 */
 | 
						|
function valid_email($x){
 | 
						|
 | 
						|
	/// @TODO Removed because Fabio told me so.
 | 
						|
	//if (Config::get('system','disable_email_validation'))
 | 
						|
	//	return true;
 | 
						|
	return preg_match('/^[_a-zA-Z0-9\-\+]+(\.[_a-zA-Z0-9\-\+]+)*@[a-zA-Z0-9-]+(\.[a-zA-Z0-9-]+)+$/', $x);
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
/**
 | 
						|
 * Replace naked text hyperlink with HTML formatted hyperlink
 | 
						|
 *
 | 
						|
 * @param string $s
 | 
						|
 */
 | 
						|
function linkify($s) {
 | 
						|
	$s = preg_replace("/(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\'\%\$\!\+]*)/", ' <a href="$1" target="_blank">$1</a>', $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;
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
 * @brief Translate days and months names.
 | 
						|
 *
 | 
						|
 * @param string $s String with day or month name.
 | 
						|
 * @return string Translated string.
 | 
						|
 */
 | 
						|
function day_translate($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;
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
 * @brief Translate short days and months names.
 | 
						|
 *
 | 
						|
 * @param string $s String with short day or month name.
 | 
						|
 * @return string Translated string.
 | 
						|
 */
 | 
						|
function day_short_translate($s) {
 | 
						|
	$ret = str_replace(array('Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun'),
 | 
						|
		array(t('Mon'), t('Tue'), t('Wed'), t('Thu'), t('Fri'), t('Sat'), t('Sund')),
 | 
						|
		$s);
 | 
						|
	$ret = str_replace(array('Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov','Dec'),
 | 
						|
		array(t('Jan'), t('Feb'), t('Mar'), t('Apr'), t('May'), ('Jun'), t('Jul'), t('Aug'), t('Sep'), t('Oct'), t('Nov'), t('Dec')),
 | 
						|
		$ret);
 | 
						|
	return $ret;
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
/**
 | 
						|
 * Normalize url
 | 
						|
 *
 | 
						|
 * @param string $url
 | 
						|
 * @return string
 | 
						|
 */
 | 
						|
function normalise_link($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.
 | 
						|
 *
 | 
						|
 * @param string $a first url
 | 
						|
 * @param string $b second url
 | 
						|
 * @return boolean True if the URLs match, otherwise False
 | 
						|
 *
 | 
						|
 */
 | 
						|
function link_compare($a, $b) {
 | 
						|
	return (strcasecmp(normalise_link($a), normalise_link($b)) === 0);
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
/**
 | 
						|
 * @brief Find any non-embedded images in private items and add redir links to them
 | 
						|
 *
 | 
						|
 * @param App $a
 | 
						|
 * @param array &$item The field array of an item row
 | 
						|
 */
 | 
						|
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) {
 | 
						|
		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)) {
 | 
						|
				$img_url = 'redir?f=1&quiet=1&url=' . urlencode($mtch[1]) . '&conurl=' . urlencode($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", $item["body"])) || ($item["rendered-hash"] == "") ||
 | 
						|
		($item["rendered-html"] == "") || Config::get("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 && ($item["id"] > 0)) {
 | 
						|
			dba::update('item', array('rendered-html' => $item["rendered-html"], 'rendered-hash' => $item["rendered-hash"]),
 | 
						|
					array('id' => $item["id"]), false);
 | 
						|
		}
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
 * @brief 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 = System::baseUrl() . "/search?tag=";
 | 
						|
 | 
						|
	$tags = array();
 | 
						|
	$hashtags = array();
 | 
						|
	$mentions = array();
 | 
						|
 | 
						|
	// In order to provide theme developers more possibilities, event items
 | 
						|
	// are treated differently.
 | 
						|
	if ($item['object-type'] === ACTIVITY_OBJ_EVENT && isset($item['event-id'])) {
 | 
						|
		$ev = format_event_item($item);
 | 
						|
		return $ev;
 | 
						|
	}
 | 
						|
 | 
						|
	if (!Config::get('system','suppress_tags')) {
 | 
						|
		$taglist = dba::p("SELECT `type`, `term`, `url` FROM `term` WHERE `otype` = ? AND `oid` = ? AND `type` IN (?, ?) ORDER BY `tid`",
 | 
						|
				intval(TERM_OBJ_POST), intval($item['id']), intval(TERM_HASHTAG), intval(TERM_MENTION));
 | 
						|
 | 
						|
		while ($tag = dba::fetch($taglist)) {
 | 
						|
			if ($tag["url"] == "") {
 | 
						|
				$tag["url"] = $searchpath.strtolower($tag["term"]);
 | 
						|
			}
 | 
						|
 | 
						|
			$orig_tag = $tag["url"];
 | 
						|
 | 
						|
			$tag["url"] = best_link_url($item, $sp, $tag["url"]);
 | 
						|
 | 
						|
			if ($tag["type"] == TERM_HASHTAG) {
 | 
						|
				if ($orig_tag != $tag["url"]) {
 | 
						|
					$item['body'] = str_replace($orig_tag, $tag["url"], $item['body']);
 | 
						|
				}
 | 
						|
				$hashtags[] = "#<a href=\"".$tag["url"]."\" target=\"_blank\">".$tag["term"]."</a>";
 | 
						|
				$prefix = "#";
 | 
						|
			} elseif ($tag["type"] == TERM_MENTION) {
 | 
						|
				$mentions[] = "@<a href=\"".$tag["url"]."\" target=\"_blank\">".$tag["term"]."</a>";
 | 
						|
				$prefix = "@";
 | 
						|
			}
 | 
						|
			$tags[] = $prefix."<a href=\"".$tag["url"]."\" target=\"_blank\">".$tag["term"]."</a>";
 | 
						|
		}
 | 
						|
		dba::close($taglist);
 | 
						|
	}
 | 
						|
 | 
						|
	$item['tags'] = $tags;
 | 
						|
	$item['hashtags'] = $hashtags;
 | 
						|
	$item['mentions'] = $mentions;
 | 
						|
 | 
						|
	// Update the cached values if there is no "zrl=..." on the links.
 | 
						|
	$update = (!local_user() && !remote_user() && ($item["uid"] == 0));
 | 
						|
 | 
						|
	// Or update it if the current viewer is the intented viewer.
 | 
						|
	if (($item["uid"] == local_user()) && ($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 = '<blockquote type="cite" class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">';
 | 
						|
		$s = str_replace(array('<blockquote>', '<blockquote class="spoiler">', '<blockquote class="author">'), array($mailquote, $mailquote, $mailquote), $s);
 | 
						|
		return $s;
 | 
						|
	}
 | 
						|
 | 
						|
	$as = '';
 | 
						|
	$vhead = false;
 | 
						|
	$arr = explode('[/attach],', $item['attach']);
 | 
						|
	if (count($arr)) {
 | 
						|
		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 = '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' => System::baseUrl(),
 | 
						|
							));
 | 
						|
							$a->page['end'] .= replace_macros(get_markup_template('videos_end.tpl'), array(
 | 
						|
								'$baseurl' => System::baseUrl(),
 | 
						|
							));
 | 
						|
						}
 | 
						|
 | 
						|
						$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';
 | 
						|
					}
 | 
						|
 | 
						|
					$title = ((strlen(trim($mtch[4]))) ? escape_tags(trim($mtch[4])) : escape_tags($mtch[1]));
 | 
						|
					$title .= ' ' . $mtch[2] . ' ' . t('bytes');
 | 
						|
 | 
						|
					$icon = '<div class="attachtype icon s22 type-' . $filetype . ' subtype-' . $filesubtype . '"></div>';
 | 
						|
					$as .= '<a href="' . strip_tags($the_url) . '" title="' . $title . '" class="attachlink" target="_blank" >' . $icon . '</a>';
 | 
						|
				}
 | 
						|
			}
 | 
						|
		}
 | 
						|
	}
 | 
						|
	if ($as != '') {
 | 
						|
		$s .= '<div class="body-attach">'.$as.'<div class="clear"></div></div>';
 | 
						|
	}
 | 
						|
 | 
						|
	// Map.
 | 
						|
	if (strpos($s, '<div class="map">') !== false && x($item, 'coord')) {
 | 
						|
		$x = generate_map(trim($item['coord']));
 | 
						|
		if ($x) {
 | 
						|
			$s = preg_replace('/\<div class\=\"map\"\>/', '$0' . $x, $s);
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
 | 
						|
	// 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 . '" class="spoiler-wrap 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 . '" class="author-wrap 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));
 | 
						|
	}
 | 
						|
 | 
						|
	// Replace friendica image url size with theme preference.
 | 
						|
	if (x($a->theme_info, 'item_image_size')){
 | 
						|
		$ps = $a->theme_info['item_image_size'];
 | 
						|
		$s = preg_replace('|(<img[^>]+src="[^"]+/photo/[0-9a-f]+)-[0-9]|', "$1-" . $ps, $s);
 | 
						|
	}
 | 
						|
 | 
						|
	$prep_arr = array('item' => $item, 'html' => $s);
 | 
						|
	call_hooks('prepare_body_final', $prep_arr);
 | 
						|
 | 
						|
	return $prep_arr['html'];
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
 * @brief Given a text string, convert from bbcode to html and add smilie icons.
 | 
						|
 *
 | 
						|
 * @param string $text String with bbcode.
 | 
						|
 * @return string Formattet HTML.
 | 
						|
 */
 | 
						|
function prepare_text($text) {
 | 
						|
 | 
						|
	require_once 'include/bbcode.php';
 | 
						|
 | 
						|
	if (stristr($text, '[nosmile]')) {
 | 
						|
		$s = bbcode($text);
 | 
						|
	} else {
 | 
						|
		$s = Smilies::replace(bbcode($text));
 | 
						|
	}
 | 
						|
 | 
						|
	return trim($s);
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
 * return array with details for categories and folders for an item
 | 
						|
 *
 | 
						|
 * @param array $item
 | 
						|
 * @return array
 | 
						|
 *
 | 
						|
  * [
 | 
						|
 *      [ // categories array
 | 
						|
 *          {
 | 
						|
 *               'name': 'category name',
 | 
						|
 *               'removeurl': 'url to remove this category',
 | 
						|
 *               'first': 'is the first in this array? true/false',
 | 
						|
 *               'last': 'is the last in this array? true/false',
 | 
						|
 *           } ,
 | 
						|
 *           ....
 | 
						|
 *       ],
 | 
						|
 *       [ //folders array
 | 
						|
 *			{
 | 
						|
 *               'name': 'folder name',
 | 
						|
 *               'removeurl': 'url to remove this folder',
 | 
						|
 *               'first': 'is the first in this array? true/false',
 | 
						|
 *               'last': 'is the last in this array? true/false',
 | 
						|
 *           } ,
 | 
						|
 *           ....
 | 
						|
 *       ]
 | 
						|
 *  ]
 | 
						|
 */
 | 
						|
function get_cats_and_terms($item) {
 | 
						|
 | 
						|
	$a = get_app();
 | 
						|
	$categories = array();
 | 
						|
	$folders = array();
 | 
						|
 | 
						|
	$matches = false;
 | 
						|
	$first = true;
 | 
						|
	$cnt = preg_match_all('/<(.*?)>/', $item['file'], $matches, PREG_SET_ORDER);
 | 
						|
	if ($cnt) {
 | 
						|
		foreach ($matches as $mtch) {
 | 
						|
			$categories[] = array(
 | 
						|
				'name' => xmlify(file_tag_decode($mtch[1])),
 | 
						|
				'url' =>  "#",
 | 
						|
				'removeurl' => ((local_user() == $item['uid'])?'filerm/' . $item['id'] . '?f=&cat=' . xmlify(file_tag_decode($mtch[1])):""),
 | 
						|
				'first' => $first,
 | 
						|
				'last' => false
 | 
						|
			);
 | 
						|
			$first = false;
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	if (count($categories)) {
 | 
						|
		$categories[count($categories) - 1]['last'] = true;
 | 
						|
	}
 | 
						|
 | 
						|
	if (local_user() == $item['uid']) {
 | 
						|
		$matches = false;
 | 
						|
		$first = true;
 | 
						|
		$cnt = preg_match_all('/\[(.*?)\]/', $item['file'], $matches, PREG_SET_ORDER);
 | 
						|
		if ($cnt) {
 | 
						|
			foreach ($matches as $mtch) {
 | 
						|
				$folders[] = array(
 | 
						|
					'name' => xmlify(file_tag_decode($mtch[1])),
 | 
						|
					'url' =>  "#",
 | 
						|
					'removeurl' => ((local_user() == $item['uid']) ? 'filerm/' . $item['id'] . '?f=&term=' . xmlify(file_tag_decode($mtch[1])) : ""),
 | 
						|
					'first' => $first,
 | 
						|
					'last' => false
 | 
						|
				);
 | 
						|
				$first = false;
 | 
						|
			}
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	if (count($folders)) {
 | 
						|
		$folders[count($folders) - 1]['last'] = true;
 | 
						|
	}
 | 
						|
 | 
						|
	return array($categories, $folders);
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
/**
 | 
						|
 * get private link for item
 | 
						|
 * @param array $item
 | 
						|
 * @return boolean|array False if item has not plink, otherwise array('href'=>plink url, 'title'=>translated title)
 | 
						|
 */
 | 
						|
function get_plink($item) {
 | 
						|
	$a = get_app();
 | 
						|
 | 
						|
	if ($a->user['nickname'] != "") {
 | 
						|
		$ret = array(
 | 
						|
				//'href' => "display/" . $a->user['nickname'] . "/" . $item['id'],
 | 
						|
				'href' => "display/" . $item['guid'],
 | 
						|
				'orig' => "display/" . $item['guid'],
 | 
						|
				'title' => t('View on separate page'),
 | 
						|
				'orig_title' => t('view on separate page'),
 | 
						|
			);
 | 
						|
 | 
						|
		if (x($item, 'plink')) {
 | 
						|
			$ret["href"] = $a->remove_baseurl($item['plink']);
 | 
						|
			$ret["title"] = t('link to source');
 | 
						|
		}
 | 
						|
 | 
						|
	} elseif (x($item, 'plink') && ($item['private'] != 1)) {
 | 
						|
		$ret = array(
 | 
						|
				'href' => $item['plink'],
 | 
						|
				'orig' => $item['plink'],
 | 
						|
				'title' => t('link to source'),
 | 
						|
			);
 | 
						|
	} else {
 | 
						|
		$ret = array();
 | 
						|
	}
 | 
						|
 | 
						|
	return $ret;
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
/**
 | 
						|
 * replace html amp entity with amp char
 | 
						|
 * @param string $s
 | 
						|
 * @return string
 | 
						|
 */
 | 
						|
function unamp($s) {
 | 
						|
	return str_replace('&', '&', $s);
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
/**
 | 
						|
 * return number of bytes in size (K, M, G)
 | 
						|
 * @param string $size_str
 | 
						|
 * @return number
 | 
						|
 */
 | 
						|
function return_bytes($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;
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
/**
 | 
						|
 * @return string
 | 
						|
 */
 | 
						|
function generate_user_guid() {
 | 
						|
	$found = true;
 | 
						|
	do {
 | 
						|
		$guid = get_guid(32);
 | 
						|
		$x = q("SELECT `uid` FROM `user` WHERE `guid` = '%s' LIMIT 1",
 | 
						|
			dbesc($guid)
 | 
						|
		);
 | 
						|
		if (! DBM::is_result($x)) {
 | 
						|
			$found = false;
 | 
						|
		}
 | 
						|
	} while ($found == true);
 | 
						|
 | 
						|
	return $guid;
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
/**
 | 
						|
 * @param string $s
 | 
						|
 * @param boolean $strip_padding
 | 
						|
 * @return string
 | 
						|
 */
 | 
						|
function base64url_encode($s, $strip_padding = false) {
 | 
						|
 | 
						|
	$s = strtr(base64_encode($s), '+/', '-_');
 | 
						|
 | 
						|
	if ($strip_padding) {
 | 
						|
		$s = str_replace('=','',$s);
 | 
						|
	}
 | 
						|
 | 
						|
	return $s;
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
 * @param string $s
 | 
						|
 * @return string
 | 
						|
 */
 | 
						|
function base64url_decode($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,'-_','+/'));
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
/**
 | 
						|
 * return div element with class 'clear'
 | 
						|
 * @return string
 | 
						|
 * @deprecated
 | 
						|
 */
 | 
						|
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
 | 
						|
 * @param array $val
 | 
						|
 * @return array
 | 
						|
 */
 | 
						|
function array_xmlify($val){
 | 
						|
	if (is_bool($val)) {
 | 
						|
		return $val?"true":"false";
 | 
						|
	} elseif (is_array($val)) {
 | 
						|
		return array_map('array_xmlify', $val);
 | 
						|
	}
 | 
						|
	return xmlify((string) $val);
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
/**
 | 
						|
 * transorm link href and img src from relative to absolute
 | 
						|
 *
 | 
						|
 * @param string $text
 | 
						|
 * @param string $base base url
 | 
						|
 * @return string
 | 
						|
 */
 | 
						|
function reltoabs($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;
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
 * get translated item type
 | 
						|
 *
 | 
						|
 * @param array $itme
 | 
						|
 * @return string
 | 
						|
 */
 | 
						|
function item_post_type($item) {
 | 
						|
	if (intval($item['event-id'])) {
 | 
						|
		return t('event');
 | 
						|
	} elseif (strlen($item['resource-id'])) {
 | 
						|
		return t('photo');
 | 
						|
	} elseif (strlen($item['verb']) && $item['verb'] !== ACTIVITY_POST) {
 | 
						|
		return t('activity');
 | 
						|
	} elseif ($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;
 | 
						|
	}
 | 
						|
 | 
						|
	$saved = PConfig::get($uid, 'system', 'filetags');
 | 
						|
	if (strlen($saved)) {
 | 
						|
		if ($type == 'file') {
 | 
						|
			$lbracket = '[';
 | 
						|
			$rbracket = ']';
 | 
						|
			$termtype = TERM_FILE;
 | 
						|
		} else {
 | 
						|
			$lbracket = '<';
 | 
						|
			$rbracket = '>';
 | 
						|
			$termtype = TERM_CATEGORY;
 | 
						|
		}
 | 
						|
 | 
						|
		$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) {
 | 
						|
			$r = q("SELECT `oid` FROM `term` WHERE `term` = '%s' AND `otype` = %d AND `type` = %d AND `uid` = %d",
 | 
						|
				dbesc($tag),
 | 
						|
				intval(TERM_OBJ_POST),
 | 
						|
				intval($termtype),
 | 
						|
				intval($uid));
 | 
						|
 | 
						|
			if (DBM::is_result($r)) {
 | 
						|
				unset($deleted_tags[$key]);
 | 
						|
			} else {
 | 
						|
				$filetags_updated = str_replace($lbracket . file_tag_encode($tag) . $rbracket,'',$filetags_updated);
 | 
						|
			}
 | 
						|
		}
 | 
						|
 | 
						|
		if ($saved != $filetags_updated) {
 | 
						|
			PConfig::set($uid, 'system', 'filetags', $filetags_updated);
 | 
						|
		}
 | 
						|
		return true;
 | 
						|
	} elseif (strlen($file_new)) {
 | 
						|
		PConfig::set($uid, 'system', 'filetags', $file_new);
 | 
						|
	}
 | 
						|
	return true;
 | 
						|
}
 | 
						|
 | 
						|
function file_tag_save_file($uid, $item, $file) {
 | 
						|
	require_once "include/files.php";
 | 
						|
 | 
						|
	$result = false;
 | 
						|
	if (! intval($uid))
 | 
						|
		return false;
 | 
						|
	$r = q("SELECT `file` FROM `item` WHERE `id` = %d AND `uid` = %d LIMIT 1",
 | 
						|
		intval($item),
 | 
						|
		intval($uid)
 | 
						|
	);
 | 
						|
	if (DBM::is_result($r)) {
 | 
						|
		if (! stristr($r[0]['file'],'[' . file_tag_encode($file) . ']')) {
 | 
						|
			q("UPDATE `item` SET `file` = '%s' WHERE `id` = %d AND `uid` = %d",
 | 
						|
				dbesc($r[0]['file'] . '[' . file_tag_encode($file) . ']'),
 | 
						|
				intval($item),
 | 
						|
				intval($uid)
 | 
						|
			);
 | 
						|
		}
 | 
						|
 | 
						|
		create_files_from_item($item);
 | 
						|
 | 
						|
		$saved = PConfig::get($uid, 'system', 'filetags');
 | 
						|
		if (!strlen($saved) || !stristr($saved, '[' . file_tag_encode($file) . ']')) {
 | 
						|
			PConfig::set($uid, 'system', 'filetags', $saved . '[' . file_tag_encode($file) . ']');
 | 
						|
		}
 | 
						|
		info(t('Item filed'));
 | 
						|
	}
 | 
						|
	return true;
 | 
						|
}
 | 
						|
 | 
						|
function file_tag_unsave_file($uid, $item, $file, $cat = false) {
 | 
						|
	require_once "include/files.php";
 | 
						|
 | 
						|
	$result = false;
 | 
						|
	if (! intval($uid))
 | 
						|
		return false;
 | 
						|
 | 
						|
	if ($cat == true) {
 | 
						|
		$pattern = '<' . file_tag_encode($file) . '>' ;
 | 
						|
		$termtype = TERM_CATEGORY;
 | 
						|
	} else {
 | 
						|
		$pattern = '[' . file_tag_encode($file) . ']' ;
 | 
						|
		$termtype = TERM_FILE;
 | 
						|
	}
 | 
						|
 | 
						|
 | 
						|
	$r = q("SELECT `file` FROM `item` WHERE `id` = %d AND `uid` = %d LIMIT 1",
 | 
						|
		intval($item),
 | 
						|
		intval($uid)
 | 
						|
	);
 | 
						|
	if (! DBM::is_result($r)) {
 | 
						|
		return false;
 | 
						|
	}
 | 
						|
 | 
						|
	q("UPDATE `item` SET `file` = '%s' WHERE `id` = %d AND `uid` = %d",
 | 
						|
		dbesc(str_replace($pattern,'',$r[0]['file'])),
 | 
						|
		intval($item),
 | 
						|
		intval($uid)
 | 
						|
	);
 | 
						|
 | 
						|
	create_files_from_item($item);
 | 
						|
 | 
						|
	$r = q("SELECT `oid` FROM `term` WHERE `term` = '%s' AND `otype` = %d AND `type` = %d AND `uid` = %d",
 | 
						|
		dbesc($file),
 | 
						|
		intval(TERM_OBJ_POST),
 | 
						|
		intval($termtype),
 | 
						|
		intval($uid));
 | 
						|
 | 
						|
	if (!DBM::is_result($r)) {
 | 
						|
		$saved = PConfig::get($uid, 'system', 'filetags');
 | 
						|
		PConfig::set($uid, 'system', 'filetags', str_replace($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 $s;
 | 
						|
}
 | 
						|
 | 
						|
function protect_sprintf($s) {
 | 
						|
	return str_replace('%', '%%', $s);
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
function is_a_date_arg($s) {
 | 
						|
	$i = intval($s);
 | 
						|
	if ($i > 1900) {
 | 
						|
		$y = date('Y');
 | 
						|
		if ($i <= $y + 1 && strpos($s, '-') == 4) {
 | 
						|
			$m = intval(substr($s,5));
 | 
						|
			if ($m > 0 && $m <= 12)
 | 
						|
				return true;
 | 
						|
		}
 | 
						|
	}
 | 
						|
	return false;
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
 * remove intentation from a text
 | 
						|
 */
 | 
						|
function deindent($text, $chr = "[\t ]", $count = NULL) {
 | 
						|
	$lines = explode("\n", $text);
 | 
						|
	if (is_null($count)) {
 | 
						|
		$m = array();
 | 
						|
		$k = 0;
 | 
						|
		while ($k < count($lines) && strlen($lines[$k]) == 0) {
 | 
						|
			$k++;
 | 
						|
		}
 | 
						|
		preg_match("|^" . $chr . "*|", $lines[$k], $m);
 | 
						|
		$count = strlen($m[0]);
 | 
						|
	}
 | 
						|
	for ($k = 0; $k < count($lines); $k++) {
 | 
						|
		$lines[$k] = preg_replace("|^" . $chr . "{" . $count . "}|", "", $lines[$k]);
 | 
						|
	}
 | 
						|
 | 
						|
	return implode("\n", $lines);
 | 
						|
}
 | 
						|
 | 
						|
function formatBytes($bytes, $precision = 2) {
 | 
						|
	 $units = array('B', 'KB', 'MB', 'GB', 'TB');
 | 
						|
 | 
						|
	$bytes = max($bytes, 0);
 | 
						|
	$pow = floor(($bytes ? log($bytes) : 0) / log(1024));
 | 
						|
	$pow = min($pow, count($units) - 1);
 | 
						|
 | 
						|
	$bytes /= pow(1024, $pow);
 | 
						|
 | 
						|
	return round($bytes, $precision) . ' ' . $units[$pow];
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
 * @brief translate and format the networkname of a contact
 | 
						|
 *
 | 
						|
 * @param string $network
 | 
						|
 *	Networkname of the contact (e.g. dfrn, rss and so on)
 | 
						|
 * @param sting $url
 | 
						|
 *	The contact url
 | 
						|
 * @return string
 | 
						|
 */
 | 
						|
function format_network_name($network, $url = 0) {
 | 
						|
	if ($network != "") {
 | 
						|
		require_once 'include/contact_selectors.php';
 | 
						|
		if ($url != "") {
 | 
						|
			$network_name = '<a href="'.$url.'">'.network_to_name($network, $url)."</a>";
 | 
						|
		} else {
 | 
						|
			$network_name = network_to_name($network);
 | 
						|
		}
 | 
						|
 | 
						|
		return $network_name;
 | 
						|
	}
 | 
						|
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
 * @brief Syntax based code highlighting for popular languages.
 | 
						|
 * @param string $s Code block
 | 
						|
 * @param string $lang Programming language
 | 
						|
 * @return string Formated html
 | 
						|
 */
 | 
						|
function text_highlight($s, $lang) {
 | 
						|
	if ($lang === 'js') {
 | 
						|
		$lang = 'javascript';
 | 
						|
	}
 | 
						|
 | 
						|
	// @TODO: Replace Text_Highlighter_Renderer_Html by scrivo/highlight.php
 | 
						|
 | 
						|
	// Autoload the library to make constants available
 | 
						|
	class_exists('Text_Highlighter_Renderer_Html');
 | 
						|
 | 
						|
	$options = array(
 | 
						|
		'numbers' => HL_NUMBERS_LI,
 | 
						|
		'tabsize' => 4,
 | 
						|
	);
 | 
						|
 | 
						|
	$tag_added = false;
 | 
						|
	$s = trim(html_entity_decode($s, ENT_COMPAT));
 | 
						|
	$s = str_replace('    ', "\t", $s);
 | 
						|
 | 
						|
	/*
 | 
						|
	 * The highlighter library insists on an opening php tag for php code blocks. If
 | 
						|
	 * it isn't present, nothing is highlighted. So we're going to see if it's present.
 | 
						|
	 * If not, we'll add it, and then quietly remove it after we get the processed output back.
 | 
						|
	 */
 | 
						|
	if ($lang === 'php' && strpos($s, '<?php') !== 0) {
 | 
						|
		$s = '<?php' . "\n" . $s;
 | 
						|
		$tag_added = true;
 | 
						|
	}
 | 
						|
 | 
						|
	$renderer = new Text_Highlighter_Renderer_Html($options);
 | 
						|
	$hl = Text_Highlighter::factory($lang);
 | 
						|
	$hl->setRenderer($renderer);
 | 
						|
	$o = $hl->highlight($s);
 | 
						|
	$o = str_replace("\n", '', $o);
 | 
						|
 | 
						|
	if ($tag_added) {
 | 
						|
		$b = substr($o, 0, strpos($o, '<li>'));
 | 
						|
		$e = substr($o, strpos($o, '</li>'));
 | 
						|
		$o = $b . $e;
 | 
						|
	}
 | 
						|
 | 
						|
	return '<code>' . $o . '</code>';
 | 
						|
}
 |