1408 lines
37 KiB
PHP
1408 lines
37 KiB
PHP
<?php
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/**
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* @file include/text.php
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*/
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use Friendica\App;
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use Friendica\Content\ContactSelector;
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use Friendica\Content\Feature;
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use Friendica\Content\Smilies;
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use Friendica\Content\Text\BBCode;
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use Friendica\Core\Addon;
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use Friendica\Core\Config;
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use Friendica\Core\L10n;
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use Friendica\Core\PConfig;
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use Friendica\Core\Protocol;
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use Friendica\Core\System;
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use Friendica\Database\DBA;
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use Friendica\Model\Contact;
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use Friendica\Model\Event;
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use Friendica\Model\Item;
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use Friendica\Render\FriendicaSmarty;
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use Friendica\Util\DateTimeFormat;
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use Friendica\Util\Map;
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use Friendica\Util\Proxy as ProxyUtils;
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use Friendica\Core\Logger;
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use Friendica\Core\Renderer;
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use Friendica\Model\FileTag;
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require_once "include/conversation.php";
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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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* @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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$byte_size = ceil($size / 2);
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$bytes = random_bytes($byte_size);
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$return = substr(bin2hex($bytes), 0, $size);
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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(["<", ">"], ['[', ']'], $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 = ['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 = [
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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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$midcons = ['ck','ct','gn','ld','lf','lm','lt','mb','mm', 'mn','mp',
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'nd','ng','nk','nt','rn','rp','rt'];
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$noend = ['bl', 'br', 'cl','cr','dr','fl','fr','gl','gr',
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'kh', 'kl','kr','mn','pl','pr','rh','tr','qu','wh','q'];
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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 $noe) {
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$noelen = strlen($noe);
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if ((strlen($word) > $noelen) && (substr($word, -$noelen) == $noe)) {
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$word = autoname($len);
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break;
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}
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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 $ret;
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}
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/**
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* Loader for infinite scrolling
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* @return string html for loader
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*/
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function scroll_loader() {
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$tpl = Renderer::getMarkupTemplate("scroll_loader.tpl");
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return Renderer::replaceMacros($tpl, [
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'wait' => L10n::t('Loading more entries...'),
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'end' => L10n::t('The end')
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]);
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}
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/**
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* Turn user/group ACLs stored as angle bracketed text into arrays
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*
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* @param string $s
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* @return array
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*/
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function expand_acl($s) {
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// turn string array of angle-bracketed elements into numeric array
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// e.g. "<1><2><3>" => array(1,2,3);
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$ret = [];
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if (strlen($s)) {
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$t = str_replace('<', '', $s);
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$a = explode('>', $t);
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foreach ($a as $aa) {
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if (intval($aa)) {
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$ret[] = intval($aa);
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}
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}
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}
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return $ret;
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}
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/**
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* Wrap ACL elements in angle brackets for storage
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* @param string $item
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*/
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function sanitise_acl(&$item) {
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if (intval($item)) {
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$item = '<' . intval(notags(trim($item))) . '>';
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} else {
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unset($item);
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}
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}
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/**
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* Convert an ACL array to a storable string
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*
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* Normally ACL permissions will be an array.
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* We'll also allow a comma-separated string.
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*
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* @param string|array $p
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* @return string
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*/
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function perms2str($p) {
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$ret = '';
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if (is_array($p)) {
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$tmp = $p;
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} else {
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$tmp = explode(',', $p);
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}
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if (is_array($tmp)) {
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array_walk($tmp, 'sanitise_acl');
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$ret = implode('', $tmp);
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}
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return $ret;
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}
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/**
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* for html,xml parsing - let's say you've got
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* an attribute foobar="class1 class2 class3"
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* and you want to find out if it contains 'class3'.
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* you can't use a normal sub string search because you
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* might match 'notclass3' and a regex to do the job is
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* possible but a bit complicated.
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* pass the attribute string as $attr and the attribute you
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* are looking for as $s - returns true if found, otherwise false
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*
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* @param string $attr attribute value
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* @param string $s string to search
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* @return boolean True if found, False otherwise
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*/
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function attribute_contains($attr, $s) {
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$a = explode(' ', $attr);
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return (count($a) && in_array($s,$a));
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}
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/**
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* Compare activity uri. Knows about activity namespace.
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*
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* @param string $haystack
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* @param string $needle
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* @return boolean
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*/
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function activity_match($haystack,$needle) {
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return (($haystack === $needle) || ((basename($needle) === $haystack) && strstr($needle, NAMESPACE_ACTIVITY_SCHEMA)));
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}
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/**
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* @brief Pull out all #hashtags and @person tags from $string.
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*
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* We also get @person@domain.com - which would make
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* the regex quite complicated as tags can also
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* end a sentence. So we'll run through our results
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* and strip the period from any tags which end with one.
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* Returns array of tags found, or empty array.
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*
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* @param string $string Post content
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* @return array List of tag and person names
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*/
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function get_tags($string) {
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$ret = [];
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// Convert hashtag links to hashtags
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$string = preg_replace('/#\[url\=([^\[\]]*)\](.*?)\[\/url\]/ism', '#$2', $string);
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// ignore anything in a code block
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$string = preg_replace('/\[code\](.*?)\[\/code\]/sm', '', $string);
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// Force line feeds at bbtags
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$string = str_replace(['[', ']'], ["\n[", "]\n"], $string);
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// ignore anything in a bbtag
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$string = preg_replace('/\[(.*?)\]/sm', '', $string);
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// Match full names against @tags including the space between first and last
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// We will look these up afterward to see if they are full names or not recognisable.
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if (preg_match_all('/(@[^ \x0D\x0A,:?]+ [^ \x0D\x0A@,:?]+)([ \x0D\x0A@,:?]|$)/', $string, $matches)) {
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foreach ($matches[1] as $match) {
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if (strstr($match, ']')) {
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// we might be inside a bbcode color tag - leave it alone
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continue;
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}
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if (substr($match, -1, 1) === '.') {
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$ret[] = substr($match, 0, -1);
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} else {
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$ret[] = $match;
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}
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}
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}
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// Otherwise pull out single word tags. These can be @nickname, @first_last
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// and #hash tags.
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if (preg_match_all('/([!#@][^\^ \x0D\x0A,;:?]+)([ \x0D\x0A,;:?]|$)/', $string, $matches)) {
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foreach ($matches[1] as $match) {
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if (strstr($match, ']')) {
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// we might be inside a bbcode color tag - leave it alone
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continue;
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}
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if (substr($match, -1, 1) === '.') {
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$match = substr($match,0,-1);
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}
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// ignore strictly numeric tags like #1
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if ((strpos($match, '#') === 0) && ctype_digit(substr($match, 1))) {
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continue;
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}
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// try not to catch url fragments
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if (strpos($string, $match) && preg_match('/[a-zA-z0-9\/]/', substr($string, strpos($string, $match) - 1, 1))) {
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continue;
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}
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$ret[] = $match;
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}
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}
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return $ret;
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}
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/**
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* quick and dirty quoted_printable encoding
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*
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* @param string $s
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* @return string
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*/
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function qp($s) {
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return str_replace("%", "=", rawurlencode($s));
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}
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/**
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* Get html for contact block.
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*
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* @template contact_block.tpl
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* @hook contact_block_end (contacts=>array, output=>string)
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* @return string
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*/
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function contact_block() {
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$o = '';
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$a = get_app();
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$shown = PConfig::get($a->profile['uid'], 'system', 'display_friend_count', 24);
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if ($shown == 0) {
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return;
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}
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if (!is_array($a->profile) || $a->profile['hide-friends']) {
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return $o;
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}
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$r = q("SELECT COUNT(*) AS `total` FROM `contact`
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WHERE `uid` = %d AND NOT `self` AND NOT `blocked`
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AND NOT `pending` AND NOT `hidden` AND NOT `archive`
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AND `network` IN ('%s', '%s', '%s')",
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intval($a->profile['uid']),
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DBA::escape(Protocol::DFRN),
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DBA::escape(Protocol::OSTATUS),
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DBA::escape(Protocol::DIASPORA)
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);
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if (DBA::isResult($r)) {
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$total = intval($r[0]['total']);
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}
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if (!$total) {
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$contacts = L10n::t('No contacts');
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$micropro = null;
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} else {
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// Splitting the query in two parts makes it much faster
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$r = q("SELECT `id` FROM `contact`
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WHERE `uid` = %d AND NOT `self` AND NOT `blocked`
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AND NOT `pending` AND NOT `hidden` AND NOT `archive`
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AND `network` IN ('%s', '%s', '%s')
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ORDER BY RAND() LIMIT %d",
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intval($a->profile['uid']),
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DBA::escape(Protocol::DFRN),
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DBA::escape(Protocol::OSTATUS),
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DBA::escape(Protocol::DIASPORA),
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intval($shown)
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);
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if (DBA::isResult($r)) {
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$contacts = [];
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foreach ($r AS $contact) {
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$contacts[] = $contact["id"];
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}
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$r = q("SELECT `id`, `uid`, `addr`, `url`, `name`, `thumb`, `network` FROM `contact` WHERE `id` IN (%s)",
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DBA::escape(implode(",", $contacts)));
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if (DBA::isResult($r)) {
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$contacts = L10n::tt('%d Contact', '%d Contacts', $total);
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$micropro = [];
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foreach ($r as $rr) {
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$micropro[] = micropro($rr, true, 'mpfriend');
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}
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}
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}
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}
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$tpl = Renderer::getMarkupTemplate('contact_block.tpl');
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$o = Renderer::replaceMacros($tpl, [
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'$contacts' => $contacts,
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'$nickname' => $a->profile['nickname'],
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'$viewcontacts' => L10n::t('View Contacts'),
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'$micropro' => $micropro,
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]);
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$arr = ['contacts' => $r, 'output' => $o];
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Addon::callHooks('contact_block_end', $arr);
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return $o;
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}
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/**
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* @brief Format contacts as picture links or as texxt links
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*
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* @param array $contact Array with contacts which contains an array with
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* int 'id' => The ID of the contact
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* int 'uid' => The user ID of the user who owns this data
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* string 'name' => The name of the contact
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* string 'url' => The url to the profile page of the contact
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* string 'addr' => The webbie of the contact (e.g.) username@friendica.com
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* string 'network' => The network to which the contact belongs to
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* string 'thumb' => The contact picture
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* string 'click' => js code which is performed when clicking on the contact
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* @param boolean $redirect If true try to use the redir url if it's possible
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* @param string $class CSS class for the
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* @param boolean $textmode If true display the contacts as text links
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* if false display the contacts as picture links
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* @return string Formatted html
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*/
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function micropro($contact, $redirect = false, $class = '', $textmode = false) {
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// Use the contact URL if no address is available
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if (!x($contact, "addr")) {
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$contact["addr"] = $contact["url"];
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}
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$url = $contact['url'];
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$sparkle = '';
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$redir = false;
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if ($redirect) {
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$url = Contact::magicLink($contact['url']);
|
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if (strpos($url, 'redir/') === 0) {
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$sparkle = ' sparkle';
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}
|
|
}
|
|
|
|
// If there is some js available we don't need the url
|
|
if (x($contact, 'click')) {
|
|
$url = '';
|
|
}
|
|
|
|
return Renderer::replaceMacros(Renderer::getMarkupTemplate(($textmode)?'micropro_txt.tpl':'micropro_img.tpl'),[
|
|
'$click' => defaults($contact, 'click', ''),
|
|
'$class' => $class,
|
|
'$url' => $url,
|
|
'$photo' => ProxyUtils::proxifyUrl($contact['thumb'], false, ProxyUtils::SIZE_THUMB),
|
|
'$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 bool $save Show save search button.
|
|
* @param bool $aside Display the search widgit aside.
|
|
*
|
|
* @return string Formatted HTML.
|
|
*/
|
|
function search($s, $id = 'search-box', $url = 'search', $save = false, $aside = true)
|
|
{
|
|
$mode = 'text';
|
|
|
|
if (strpos($s, '#') === 0) {
|
|
$mode = 'tag';
|
|
}
|
|
$save_label = $mode === 'text' ? L10n::t('Save') : L10n::t('Follow');
|
|
|
|
$values = [
|
|
'$s' => htmlspecialchars($s),
|
|
'$id' => $id,
|
|
'$action_url' => $url,
|
|
'$search_label' => L10n::t('Search'),
|
|
'$save_label' => $save_label,
|
|
'$savedsearch' => local_user() && Feature::isEnabled(local_user(),'savedsearch'),
|
|
'$search_hint' => L10n::t('@name, !forum, #tags, content'),
|
|
'$mode' => $mode
|
|
];
|
|
|
|
if (!$aside) {
|
|
$values['$searchoption'] = [
|
|
L10n::t("Full Text"),
|
|
L10n::t("Tags"),
|
|
L10n::t("Contacts")];
|
|
|
|
if (Config::get('system','poco_local_search')) {
|
|
$values['$searchoption'][] = L10n::t("Forums");
|
|
}
|
|
}
|
|
|
|
return Renderer::replaceMacros(Renderer::getMarkupTemplate('searchbox.tpl'), $values);
|
|
}
|
|
|
|
/**
|
|
* @brief Check for a valid email string
|
|
*
|
|
* @param string $email_address
|
|
* @return boolean
|
|
*/
|
|
function valid_email($email_address)
|
|
{
|
|
return preg_match('/^[_a-zA-Z0-9\-\+]+(\.[_a-zA-Z0-9\-\+]+)*@[a-zA-Z0-9-]+(\.[a-zA-Z0-9-]+)+$/', $email_address);
|
|
}
|
|
|
|
|
|
/**
|
|
* 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 = [
|
|
'poke' => ['poked', L10n::t('poke'), L10n::t('poked')],
|
|
'ping' => ['pinged', L10n::t('ping'), L10n::t('pinged')],
|
|
'prod' => ['prodded', L10n::t('prod'), L10n::t('prodded')],
|
|
'slap' => ['slapped', L10n::t('slap'), L10n::t('slapped')],
|
|
'finger' => ['fingered', L10n::t('finger'), L10n::t('fingered')],
|
|
'rebuff' => ['rebuffed', L10n::t('rebuff'), L10n::t('rebuffed')],
|
|
];
|
|
Addon::callHooks('poke_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(['Monday','Tuesday','Wednesday','Thursday','Friday','Saturday','Sunday'],
|
|
[L10n::t('Monday'), L10n::t('Tuesday'), L10n::t('Wednesday'), L10n::t('Thursday'), L10n::t('Friday'), L10n::t('Saturday'), L10n::t('Sunday')],
|
|
$s);
|
|
|
|
$ret = str_replace(['January','February','March','April','May','June','July','August','September','October','November','December'],
|
|
[L10n::t('January'), L10n::t('February'), L10n::t('March'), L10n::t('April'), L10n::t('May'), L10n::t('June'), L10n::t('July'), L10n::t('August'), L10n::t('September'), L10n::t('October'), L10n::t('November'), L10n::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(['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun'],
|
|
[L10n::t('Mon'), L10n::t('Tue'), L10n::t('Wed'), L10n::t('Thu'), L10n::t('Fri'), L10n::t('Sat'), L10n::t('Sun')],
|
|
$s);
|
|
$ret = str_replace(['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov','Dec'],
|
|
[L10n::t('Jan'), L10n::t('Feb'), L10n::t('Mar'), L10n::t('Apr'), L10n::t('May'), ('Jun'), L10n::t('Jul'), L10n::t('Aug'), L10n::t('Sep'), L10n::t('Oct'), L10n::t('Nov'), L10n::t('Dec')],
|
|
$ret);
|
|
return $ret;
|
|
}
|
|
|
|
|
|
/**
|
|
* Normalize url
|
|
*
|
|
* @param string $url
|
|
* @return string
|
|
*/
|
|
function normalise_link($url) {
|
|
$ret = str_replace(['https:', '//www.'], ['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'] == 1) && ($item['contact-id'] != $a->contact['id']) && ($item['network'] == Protocol::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']);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Sets the "rendered-html" field of the provided item
|
|
*
|
|
* Body is preserved to avoid side-effects as we modify it just-in-time for spoilers and private image links
|
|
*
|
|
* @param array $item
|
|
* @param bool $update
|
|
*
|
|
* @todo Remove reference, simply return "rendered-html" and "rendered-hash"
|
|
*/
|
|
function put_item_in_cache(&$item, $update = false)
|
|
{
|
|
$body = $item["body"];
|
|
|
|
$rendered_hash = defaults($item, 'rendered-hash', '');
|
|
$rendered_html = defaults($item, 'rendered-html', '');
|
|
|
|
if ($rendered_hash == ''
|
|
|| $rendered_html == ""
|
|
|| $rendered_hash != hash("md5", $item["body"])
|
|
|| Config::get("system", "ignore_cache")
|
|
) {
|
|
$a = get_app();
|
|
redir_private_images($a, $item);
|
|
|
|
$item["rendered-html"] = prepare_text($item["body"]);
|
|
$item["rendered-hash"] = hash("md5", $item["body"]);
|
|
|
|
$hook_data = ['item' => $item, 'rendered-html' => $item['rendered-html'], 'rendered-hash' => $item['rendered-hash']];
|
|
Addon::callHooks('put_item_in_cache', $hook_data);
|
|
$item['rendered-html'] = $hook_data['rendered-html'];
|
|
$item['rendered-hash'] = $hook_data['rendered-hash'];
|
|
unset($hook_data);
|
|
|
|
// Force an update if the generated values differ from the existing ones
|
|
if ($rendered_hash != $item["rendered-hash"]) {
|
|
$update = true;
|
|
}
|
|
|
|
// Only compare the HTML when we forcefully ignore the cache
|
|
if (Config::get("system", "ignore_cache") && ($rendered_html != $item["rendered-html"])) {
|
|
$update = true;
|
|
}
|
|
|
|
if ($update && !empty($item["id"])) {
|
|
Item::update(['rendered-html' => $item["rendered-html"], 'rendered-hash' => $item["rendered-hash"]],
|
|
['id' => $item["id"]]);
|
|
}
|
|
}
|
|
|
|
$item["body"] = $body;
|
|
}
|
|
|
|
/**
|
|
* @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
|
|
* @param boolean $is_preview
|
|
* @return string item body html
|
|
* @hook prepare_body_init item array before any work
|
|
* @hook prepare_body_content_filter ('item'=>item array, 'filter_reasons'=>string array) before first bbcode to html
|
|
* @hook prepare_body ('item'=>item array, 'html'=>body string, 'is_preview'=>boolean, 'filter_reasons'=>string array) after first bbcode to html
|
|
* @hook prepare_body_final ('item'=>item array, 'html'=>body string) after attach icons and blockquote special case handling (spoiler, author)
|
|
*/
|
|
function prepare_body(array &$item, $attach = false, $is_preview = false)
|
|
{
|
|
$a = get_app();
|
|
Addon::callHooks('prepare_body_init', $item);
|
|
|
|
// In order to provide theme developers more possibilities, event items
|
|
// are treated differently.
|
|
if ($item['object-type'] === ACTIVITY_OBJ_EVENT && isset($item['event-id'])) {
|
|
$ev = Event::getItemHTML($item);
|
|
return $ev;
|
|
}
|
|
|
|
$tags = \Friendica\Model\Term::populateTagsFromItem($item);
|
|
|
|
$item['tags'] = $tags['tags'];
|
|
$item['hashtags'] = $tags['hashtags'];
|
|
$item['mentions'] = $tags['mentions'];
|
|
|
|
// Compile eventual content filter reasons
|
|
$filter_reasons = [];
|
|
if (!$is_preview && public_contact() != $item['author-id']) {
|
|
if (!empty($item['content-warning']) && (!local_user() || !PConfig::get(local_user(), 'system', 'disable_cw', false))) {
|
|
$filter_reasons[] = L10n::t('Content warning: %s', $item['content-warning']);
|
|
}
|
|
|
|
$hook_data = [
|
|
'item' => $item,
|
|
'filter_reasons' => $filter_reasons
|
|
];
|
|
Addon::callHooks('prepare_body_content_filter', $hook_data);
|
|
$filter_reasons = $hook_data['filter_reasons'];
|
|
unset($hook_data);
|
|
}
|
|
|
|
// 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"];
|
|
|
|
$hook_data = [
|
|
'item' => $item,
|
|
'html' => $s,
|
|
'preview' => $is_preview,
|
|
'filter_reasons' => $filter_reasons
|
|
];
|
|
Addon::callHooks('prepare_body', $hook_data);
|
|
$s = $hook_data['html'];
|
|
unset($hook_data);
|
|
|
|
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;">';
|
|
$s = str_replace(['<blockquote>', '<blockquote class="spoiler">', '<blockquote class="author">'], [$mailquote, $mailquote, $mailquote], $s);
|
|
return $s;
|
|
}
|
|
|
|
$as = '';
|
|
$vhead = false;
|
|
$matches = [];
|
|
preg_match_all('|\[attach\]href=\"(.*?)\" length=\"(.*?)\" type=\"(.*?)\"(?: title=\"(.*?)\")?|', $item['attach'], $matches, PREG_SET_ORDER);
|
|
foreach ($matches as $mtch) {
|
|
$mime = $mtch[3];
|
|
|
|
$the_url = Contact::magicLinkById($item['author-id'], $mtch[1]);
|
|
|
|
if (strpos($mime, 'video') !== false) {
|
|
if (!$vhead) {
|
|
$vhead = true;
|
|
$a->page['htmlhead'] .= Renderer::replaceMacros(Renderer::getMarkupTemplate('videos_head.tpl'), [
|
|
'$baseurl' => System::baseUrl(),
|
|
]);
|
|
}
|
|
|
|
$url_parts = explode('/', $the_url);
|
|
$id = end($url_parts);
|
|
$as .= Renderer::replaceMacros(Renderer::getMarkupTemplate('video_top.tpl'), [
|
|
'$video' => [
|
|
'id' => $id,
|
|
'title' => L10n::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';
|
|
}
|
|
|
|
$title = escape_tags(trim(!empty($mtch[4]) ? $mtch[4] : $mtch[1]));
|
|
$title .= ' ' . $mtch[2] . ' ' . L10n::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')) {
|
|
$x = Map::byCoordinates(trim($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 . '\');">' . L10n::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 . '\');">' . L10n::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);
|
|
}
|
|
|
|
$s = apply_content_filter($s, $filter_reasons);
|
|
|
|
$hook_data = ['item' => $item, 'html' => $s];
|
|
Addon::callHooks('prepare_body_final', $hook_data);
|
|
|
|
return $hook_data['html'];
|
|
}
|
|
|
|
/**
|
|
* Given a HTML text and a set of filtering reasons, adds a content hiding header with the provided reasons
|
|
*
|
|
* Reasons are expected to have been translated already.
|
|
*
|
|
* @param string $html
|
|
* @param array $reasons
|
|
* @return string
|
|
*/
|
|
function apply_content_filter($html, array $reasons)
|
|
{
|
|
if (count($reasons)) {
|
|
$tpl = Renderer::getMarkupTemplate('wall/content_filter.tpl');
|
|
$html = Renderer::replaceMacros($tpl, [
|
|
'$reasons' => $reasons,
|
|
'$rnd' => random_string(8),
|
|
'$openclose' => L10n::t('Click to open/close'),
|
|
'$html' => $html
|
|
]);
|
|
}
|
|
|
|
return $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) {
|
|
if (stristr($text, '[nosmile]')) {
|
|
$s = BBCode::convert($text);
|
|
} else {
|
|
$s = Smilies::replace(BBCode::convert($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)
|
|
{
|
|
$categories = [];
|
|
$folders = [];
|
|
|
|
$matches = false;
|
|
$first = true;
|
|
$cnt = preg_match_all('/<(.*?)>/', $item['file'], $matches, PREG_SET_ORDER);
|
|
if ($cnt) {
|
|
foreach ($matches as $mtch) {
|
|
$categories[] = [
|
|
'name' => xmlify(FileTag::decode($mtch[1])),
|
|
'url' => "#",
|
|
'removeurl' => ((local_user() == $item['uid'])?'filerm/' . $item['id'] . '?f=&cat=' . xmlify(FileTag::decode($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) {
|
|
$folders[] = [
|
|
'name' => xmlify(FileTag::decode($mtch[1])),
|
|
'url' => "#",
|
|
'removeurl' => ((local_user() == $item['uid']) ? 'filerm/' . $item['id'] . '?f=&term=' . xmlify(FileTag::decode($mtch[1])) : ""),
|
|
'first' => $first,
|
|
'last' => false
|
|
];
|
|
$first = false;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (count($folders)) {
|
|
$folders[count($folders) - 1]['last'] = true;
|
|
}
|
|
|
|
return [$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 = [
|
|
//'href' => "display/" . $a->user['nickname'] . "/" . $item['id'],
|
|
'href' => "display/" . $item['guid'],
|
|
'orig' => "display/" . $item['guid'],
|
|
'title' => L10n::t('View on separate page'),
|
|
'orig_title' => L10n::t('view on separate page'),
|
|
];
|
|
|
|
if (x($item, 'plink')) {
|
|
$ret["href"] = $a->removeBaseURL($item['plink']);
|
|
$ret["title"] = L10n::t('link to source');
|
|
}
|
|
|
|
} elseif (x($item, 'plink') && ($item['private'] != 1)) {
|
|
$ret = [
|
|
'href' => $item['plink'],
|
|
'orig' => $item['plink'],
|
|
'title' => L10n::t('link to source'),
|
|
];
|
|
} else {
|
|
$ret = [];
|
|
}
|
|
|
|
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;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @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::log('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);
|
|
}
|
|
|
|
|
|
/**
|
|
* transform 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 (!empty($item['event-id'])) {
|
|
return L10n::t('event');
|
|
} elseif (!empty($item['resource-id'])) {
|
|
return L10n::t('photo');
|
|
} elseif (!empty($item['verb']) && $item['verb'] !== ACTIVITY_POST) {
|
|
return L10n::t('activity');
|
|
} elseif ($item['id'] != $item['parent']) {
|
|
return L10n::t('comment');
|
|
}
|
|
|
|
return L10n::t('post');
|
|
}
|
|
|
|
function normalise_openid($s) {
|
|
return trim(str_replace(['http://', 'https://'], ['', ''], $s), '/');
|
|
}
|
|
|
|
|
|
function undo_post_tagging($s) {
|
|
$matches = null;
|
|
$cnt = preg_match_all('/([!#@])\[url=(.*?)\](.*?)\[\/url\]/ism', $s, $matches, PREG_SET_ORDER);
|
|
if ($cnt) {
|
|
foreach ($matches as $mtch) {
|
|
if (in_array($mtch[1], ['!', '@'])) {
|
|
$contact = Contact::getDetailsByURL($mtch[2]);
|
|
$mtch[3] = empty($contact['addr']) ? $mtch[2] : $contact['addr'];
|
|
}
|
|
$s = str_replace($mtch[0], $mtch[1] . $mtch[3],$s);
|
|
}
|
|
}
|
|
return $s;
|
|
}
|
|
|
|
function protect_sprintf($s) {
|
|
return str_replace('%', '%%', $s);
|
|
}
|
|
|
|
/// @TODO Rewrite this
|
|
function is_a_date_arg($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 = [];
|
|
$k = 0;
|
|
while ($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 = ['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 != "") {
|
|
if ($url != "") {
|
|
$network_name = '<a href="'.$url.'">'.ContactSelector::networkToName($network, $url)."</a>";
|
|
} else {
|
|
$network_name = ContactSelector::networkToName($network);
|
|
}
|
|
|
|
return $network_name;
|
|
}
|
|
}
|