diff options
Diffstat (limited to 'mod/htmlawed/vendors/htmLawed/htmLawed.php')
| -rwxr-xr-x | mod/htmlawed/vendors/htmLawed/htmLawed.php | 711 |
1 files changed, 711 insertions, 0 deletions
diff --git a/mod/htmlawed/vendors/htmLawed/htmLawed.php b/mod/htmlawed/vendors/htmLawed/htmLawed.php new file mode 100755 index 000000000..0d9624961 --- /dev/null +++ b/mod/htmlawed/vendors/htmLawed/htmLawed.php @@ -0,0 +1,711 @@ +<?php + +/* +htmLawed 1.1.11, 5 June 2012 +Copyright Santosh Patnaik +Dual licensed with LGPL 3 and GPL 2 or later +A PHP Labware internal utility; www.bioinformatics.org/phplabware/internal_utilities/htmLawed + +See htmLawed_README.txt/htm +*/ + +function htmLawed($t, $C=1, $S=array()){ +$C = is_array($C) ? $C : array(); +if(!empty($C['valid_xhtml'])){ + $C['elements'] = empty($C['elements']) ? '*-center-dir-font-isindex-menu-s-strike-u' : $C['elements']; + $C['make_tag_strict'] = isset($C['make_tag_strict']) ? $C['make_tag_strict'] : 2; + $C['xml:lang'] = isset($C['xml:lang']) ? $C['xml:lang'] : 2; +} +// config eles +$e = array('a'=>1, 'abbr'=>1, 'acronym'=>1, 'address'=>1, 'applet'=>1, 'area'=>1, 'b'=>1, 'bdo'=>1, 'big'=>1, 'blockquote'=>1, 'br'=>1, 'button'=>1, 'caption'=>1, 'center'=>1, 'cite'=>1, 'code'=>1, 'col'=>1, 'colgroup'=>1, 'dd'=>1, 'del'=>1, 'dfn'=>1, 'dir'=>1, 'div'=>1, 'dl'=>1, 'dt'=>1, 'em'=>1, 'embed'=>1, 'fieldset'=>1, 'font'=>1, 'form'=>1, 'h1'=>1, 'h2'=>1, 'h3'=>1, 'h4'=>1, 'h5'=>1, 'h6'=>1, 'hr'=>1, 'i'=>1, 'iframe'=>1, 'img'=>1, 'input'=>1, 'ins'=>1, 'isindex'=>1, 'kbd'=>1, 'label'=>1, 'legend'=>1, 'li'=>1, 'map'=>1, 'menu'=>1, 'noscript'=>1, 'object'=>1, 'ol'=>1, 'optgroup'=>1, 'option'=>1, 'p'=>1, 'param'=>1, 'pre'=>1, 'q'=>1, 'rb'=>1, 'rbc'=>1, 'rp'=>1, 'rt'=>1, 'rtc'=>1, 'ruby'=>1, 's'=>1, 'samp'=>1, 'script'=>1, 'select'=>1, 'small'=>1, 'span'=>1, 'strike'=>1, 'strong'=>1, 'sub'=>1, 'sup'=>1, 'table'=>1, 'tbody'=>1, 'td'=>1, 'textarea'=>1, 'tfoot'=>1, 'th'=>1, 'thead'=>1, 'tr'=>1, 'tt'=>1, 'u'=>1, 'ul'=>1, 'var'=>1); // 86/deprecated+embed+ruby +if(!empty($C['safe'])){ + unset($e['applet'], $e['embed'], $e['iframe'], $e['object'], $e['script']); +} +$x = !empty($C['elements']) ? str_replace(array("\n", "\r", "\t", ' '), '', $C['elements']) : '*'; +if($x == '-*'){$e = array();} +elseif(strpos($x, '*') === false){$e = array_flip(explode(',', $x));} +else{ + if(isset($x[1])){ + preg_match_all('`(?:^|-|\+)[^\-+]+?(?=-|\+|$)`', $x, $m, PREG_SET_ORDER); + for($i=count($m); --$i>=0;){$m[$i] = $m[$i][0];} + foreach($m as $v){ + if($v[0] == '+'){$e[substr($v, 1)] = 1;} + if($v[0] == '-' && isset($e[($v = substr($v, 1))]) && !in_array('+'. $v, $m)){unset($e[$v]);} + } + } +} +$C['elements'] =& $e; +// config attrs +$x = !empty($C['deny_attribute']) ? str_replace(array("\n", "\r", "\t", ' '), '', $C['deny_attribute']) : ''; +$x = array_flip((isset($x[0]) && $x[0] == '*') ? explode('-', $x) : explode(',', $x. (!empty($C['safe']) ? ',on*' : ''))); +if(isset($x['on*'])){ + unset($x['on*']); + $x += array('onblur'=>1, 'onchange'=>1, 'onclick'=>1, 'ondblclick'=>1, 'onfocus'=>1, 'onkeydown'=>1, 'onkeypress'=>1, 'onkeyup'=>1, 'onmousedown'=>1, 'onmousemove'=>1, 'onmouseout'=>1, 'onmouseover'=>1, 'onmouseup'=>1, 'onreset'=>1, 'onselect'=>1, 'onsubmit'=>1); +} +$C['deny_attribute'] = $x; +// config URL +$x = (isset($C['schemes'][2]) && strpos($C['schemes'], ':')) ? strtolower($C['schemes']) : 'href: aim, feed, file, ftp, gopher, http, https, irc, mailto, news, nntp, sftp, ssh, telnet; *:file, http, https'; +$C['schemes'] = array(); +foreach(explode(';', str_replace(array(' ', "\t", "\r", "\n"), '', $x)) as $v){ + $x = $x2 = null; list($x, $x2) = explode(':', $v, 2); + if($x2){$C['schemes'][$x] = array_flip(explode(',', $x2));} +} +if(!isset($C['schemes']['*'])){$C['schemes']['*'] = array('file'=>1, 'http'=>1, 'https'=>1,);} +if(!empty($C['safe']) && empty($C['schemes']['style'])){$C['schemes']['style'] = array('!'=>1);} +$C['abs_url'] = isset($C['abs_url']) ? $C['abs_url'] : 0; +if(!isset($C['base_url']) or !preg_match('`^[a-zA-Z\d.+\-]+://[^/]+/(.+?/)?$`', $C['base_url'])){ + $C['base_url'] = $C['abs_url'] = 0; +} +// config rest +$C['and_mark'] = empty($C['and_mark']) ? 0 : 1; +$C['anti_link_spam'] = (isset($C['anti_link_spam']) && is_array($C['anti_link_spam']) && count($C['anti_link_spam']) == 2 && (empty($C['anti_link_spam'][0]) or hl_regex($C['anti_link_spam'][0])) && (empty($C['anti_link_spam'][1]) or hl_regex($C['anti_link_spam'][1]))) ? $C['anti_link_spam'] : 0; +$C['anti_mail_spam'] = isset($C['anti_mail_spam']) ? $C['anti_mail_spam'] : 0; +$C['balance'] = isset($C['balance']) ? (bool)$C['balance'] : 1; +$C['cdata'] = isset($C['cdata']) ? $C['cdata'] : (empty($C['safe']) ? 3 : 0); +$C['clean_ms_char'] = empty($C['clean_ms_char']) ? 0 : $C['clean_ms_char']; +$C['comment'] = isset($C['comment']) ? $C['comment'] : (empty($C['safe']) ? 3 : 0); +$C['css_expression'] = empty($C['css_expression']) ? 0 : 1; +$C['direct_list_nest'] = empty($C['direct_list_nest']) ? 0 : 1; +$C['hexdec_entity'] = isset($C['hexdec_entity']) ? $C['hexdec_entity'] : 1; +$C['hook'] = (!empty($C['hook']) && function_exists($C['hook'])) ? $C['hook'] : 0; +$C['hook_tag'] = (!empty($C['hook_tag']) && function_exists($C['hook_tag'])) ? $C['hook_tag'] : 0; +$C['keep_bad'] = isset($C['keep_bad']) ? $C['keep_bad'] : 6; +$C['lc_std_val'] = isset($C['lc_std_val']) ? (bool)$C['lc_std_val'] : 1; +$C['make_tag_strict'] = isset($C['make_tag_strict']) ? $C['make_tag_strict'] : 1; +$C['named_entity'] = isset($C['named_entity']) ? (bool)$C['named_entity'] : 1; +$C['no_deprecated_attr'] = isset($C['no_deprecated_attr']) ? $C['no_deprecated_attr'] : 1; +$C['parent'] = isset($C['parent'][0]) ? strtolower($C['parent']) : 'body'; +$C['show_setting'] = !empty($C['show_setting']) ? $C['show_setting'] : 0; +$C['style_pass'] = empty($C['style_pass']) ? 0 : 1; +$C['tidy'] = empty($C['tidy']) ? 0 : $C['tidy']; +$C['unique_ids'] = isset($C['unique_ids']) ? $C['unique_ids'] : 1; +$C['xml:lang'] = isset($C['xml:lang']) ? $C['xml:lang'] : 0; + +if(isset($GLOBALS['C'])){$reC = $GLOBALS['C'];} +$GLOBALS['C'] = $C; +$S = is_array($S) ? $S : hl_spec($S); +if(isset($GLOBALS['S'])){$reS = $GLOBALS['S'];} +$GLOBALS['S'] = $S; + +$t = preg_replace('`[\x00-\x08\x0b-\x0c\x0e-\x1f]`', '', $t); +if($C['clean_ms_char']){ + $x = array("\x7f"=>'', "\x80"=>'€', "\x81"=>'', "\x83"=>'ƒ', "\x85"=>'…', "\x86"=>'†', "\x87"=>'‡', "\x88"=>'ˆ', "\x89"=>'‰', "\x8a"=>'Š', "\x8b"=>'‹', "\x8c"=>'Œ', "\x8d"=>'', "\x8e"=>'Ž', "\x8f"=>'', "\x90"=>'', "\x95"=>'•', "\x96"=>'–', "\x97"=>'—', "\x98"=>'˜', "\x99"=>'™', "\x9a"=>'š', "\x9b"=>'›', "\x9c"=>'œ', "\x9d"=>'', "\x9e"=>'ž', "\x9f"=>'Ÿ'); + $x = $x + ($C['clean_ms_char'] == 1 ? array("\x82"=>'‚', "\x84"=>'„', "\x91"=>'‘', "\x92"=>'’', "\x93"=>'“', "\x94"=>'”') : array("\x82"=>'\'', "\x84"=>'"', "\x91"=>'\'', "\x92"=>'\'', "\x93"=>'"', "\x94"=>'"')); + $t = strtr($t, $x); +} +if($C['cdata'] or $C['comment']){$t = preg_replace_callback('`<!(?:(?:--.*?--)|(?:\[CDATA\[.*?\]\]))>`sm', 'hl_cmtcd', $t);} +$t = preg_replace_callback('`&([A-Za-z][A-Za-z0-9]{1,30}|#(?:[0-9]{1,8}|[Xx][0-9A-Fa-f]{1,7}));`', 'hl_ent', str_replace('&', '&', $t)); +if($C['unique_ids'] && !isset($GLOBALS['hl_Ids'])){$GLOBALS['hl_Ids'] = array();} +if($C['hook']){$t = $C['hook']($t, $C, $S);} +if($C['show_setting'] && preg_match('`^[a-z][a-z0-9_]*$`i', $C['show_setting'])){ + $GLOBALS[$C['show_setting']] = array('config'=>$C, 'spec'=>$S, 'time'=>microtime()); +} +// main +$t = preg_replace_callback('`<(?:(?:\s|$)|(?:[^>]*(?:>|$)))|>`m', 'hl_tag', $t); +$t = $C['balance'] ? hl_bal($t, $C['keep_bad'], $C['parent']) : $t; +$t = (($C['cdata'] or $C['comment']) && strpos($t, "\x01") !== false) ? str_replace(array("\x01", "\x02", "\x03", "\x04", "\x05"), array('', '', '&', '<', '>'), $t) : $t; +$t = $C['tidy'] ? hl_tidy($t, $C['tidy'], $C['parent']) : $t; +unset($C, $e); +if(isset($reC)){$GLOBALS['C'] = $reC;} +if(isset($reS)){$GLOBALS['S'] = $reS;} +return $t; +// eof +} + +function hl_attrval($t, $p){ +// check attr val against $S +$o = 1; $l = strlen($t); +foreach($p as $k=>$v){ + switch($k){ + case 'maxlen':if($l > $v){$o = 0;} + break; case 'minlen': if($l < $v){$o = 0;} + break; case 'maxval': if((float)($t) > $v){$o = 0;} + break; case 'minval': if((float)($t) < $v){$o = 0;} + break; case 'match': if(!preg_match($v, $t)){$o = 0;} + break; case 'nomatch': if(preg_match($v, $t)){$o = 0;} + break; case 'oneof': + $m = 0; + foreach(explode('|', $v) as $n){if($t == $n){$m = 1; break;}} + $o = $m; + break; case 'noneof': + $m = 1; + foreach(explode('|', $v) as $n){if($t == $n){$m = 0; break;}} + $o = $m; + break; default: + break; + } + if(!$o){break;} +} +return ($o ? $t : (isset($p['default']) ? $p['default'] : 0)); +// eof +} + +function hl_bal($t, $do=1, $in='div'){ +// balance tags +// by content +$cB = array('blockquote'=>1, 'form'=>1, 'map'=>1, 'noscript'=>1); // Block +$cE = array('area'=>1, 'br'=>1, 'col'=>1, 'embed'=>1, 'hr'=>1, 'img'=>1, 'input'=>1, 'isindex'=>1, 'param'=>1); // Empty +$cF = array('button'=>1, 'del'=>1, 'div'=>1, 'dd'=>1, 'fieldset'=>1, 'iframe'=>1, 'ins'=>1, 'li'=>1, 'noscript'=>1, 'object'=>1, 'td'=>1, 'th'=>1); // Flow; later context-wise dynamic move of ins & del to $cI +$cI = array('a'=>1, 'abbr'=>1, 'acronym'=>1, 'address'=>1, 'b'=>1, 'bdo'=>1, 'big'=>1, 'caption'=>1, 'cite'=>1, 'code'=>1, 'dfn'=>1, 'dt'=>1, 'em'=>1, 'font'=>1, 'h1'=>1, 'h2'=>1, 'h3'=>1, 'h4'=>1, 'h5'=>1, 'h6'=>1, 'i'=>1, 'kbd'=>1, 'label'=>1, 'legend'=>1, 'p'=>1, 'pre'=>1, 'q'=>1, 'rb'=>1, 'rt'=>1, 's'=>1, 'samp'=>1, 'small'=>1, 'span'=>1, 'strike'=>1, 'strong'=>1, 'sub'=>1, 'sup'=>1, 'tt'=>1, 'u'=>1, 'var'=>1); // Inline +$cN = array('a'=>array('a'=>1), 'button'=>array('a'=>1, 'button'=>1, 'fieldset'=>1, 'form'=>1, 'iframe'=>1, 'input'=>1, 'label'=>1, 'select'=>1, 'textarea'=>1), 'fieldset'=>array('fieldset'=>1), 'form'=>array('form'=>1), 'label'=>array('label'=>1), 'noscript'=>array('script'=>1), 'pre'=>array('big'=>1, 'font'=>1, 'img'=>1, 'object'=>1, 'script'=>1, 'small'=>1, 'sub'=>1, 'sup'=>1), 'rb'=>array('ruby'=>1), 'rt'=>array('ruby'=>1)); // Illegal +$cN2 = array_keys($cN); +$cR = array('blockquote'=>1, 'dir'=>1, 'dl'=>1, 'form'=>1, 'map'=>1, 'menu'=>1, 'noscript'=>1, 'ol'=>1, 'optgroup'=>1, 'rbc'=>1, 'rtc'=>1, 'ruby'=>1, 'select'=>1, 'table'=>1, 'tbody'=>1, 'tfoot'=>1, 'thead'=>1, 'tr'=>1, 'ul'=>1); +$cS = array('colgroup'=>array('col'=>1), 'dir'=>array('li'=>1), 'dl'=>array('dd'=>1, 'dt'=>1), 'menu'=>array('li'=>1), 'ol'=>array('li'=>1), 'optgroup'=>array('option'=>1), 'option'=>array('#pcdata'=>1), 'rbc'=>array('rb'=>1), 'rp'=>array('#pcdata'=>1), 'rtc'=>array('rt'=>1), 'ruby'=>array('rb'=>1, 'rbc'=>1, 'rp'=>1, 'rt'=>1, 'rtc'=>1), 'select'=>array('optgroup'=>1, 'option'=>1), 'script'=>array('#pcdata'=>1), 'table'=>array('caption'=>1, 'col'=>1, 'colgroup'=>1, 'tfoot'=>1, 'tbody'=>1, 'tr'=>1, 'thead'=>1), 'tbody'=>array('tr'=>1), 'tfoot'=>array('tr'=>1), 'textarea'=>array('#pcdata'=>1), 'thead'=>array('tr'=>1), 'tr'=>array('td'=>1, 'th'=>1), 'ul'=>array('li'=>1)); // Specific - immediate parent-child +if($GLOBALS['C']['direct_list_nest']){$cS['ol'] = $cS['ul'] += array('ol'=>1, 'ul'=>1);} +$cO = array('address'=>array('p'=>1), 'applet'=>array('param'=>1), 'blockquote'=>array('script'=>1), 'fieldset'=>array('legend'=>1, '#pcdata'=>1), 'form'=>array('script'=>1), 'map'=>array('area'=>1), 'object'=>array('param'=>1, 'embed'=>1)); // Other +$cT = array('colgroup'=>1, 'dd'=>1, 'dt'=>1, 'li'=>1, 'option'=>1, 'p'=>1, 'td'=>1, 'tfoot'=>1, 'th'=>1, 'thead'=>1, 'tr'=>1); // Omitable closing +// block/inline type; ins & del both type; #pcdata: text +$eB = array('address'=>1, 'blockquote'=>1, 'center'=>1, 'del'=>1, 'dir'=>1, 'dl'=>1, 'div'=>1, 'fieldset'=>1, 'form'=>1, 'ins'=>1, 'h1'=>1, 'h2'=>1, 'h3'=>1, 'h4'=>1, 'h5'=>1, 'h6'=>1, 'hr'=>1, 'isindex'=>1, 'menu'=>1, 'noscript'=>1, 'ol'=>1, 'p'=>1, 'pre'=>1, 'table'=>1, 'ul'=>1); +$eI = array('#pcdata'=>1, 'a'=>1, 'abbr'=>1, 'acronym'=>1, 'applet'=>1, 'b'=>1, 'bdo'=>1, 'big'=>1, 'br'=>1, 'button'=>1, 'cite'=>1, 'code'=>1, 'del'=>1, 'dfn'=>1, 'em'=>1, 'embed'=>1, 'font'=>1, 'i'=>1, 'iframe'=>1, 'img'=>1, 'input'=>1, 'ins'=>1, 'kbd'=>1, 'label'=>1, 'map'=>1, 'object'=>1, 'q'=>1, 'ruby'=>1, 's'=>1, 'samp'=>1, 'select'=>1, 'script'=>1, 'small'=>1, 'span'=>1, 'strike'=>1, 'strong'=>1, 'sub'=>1, 'sup'=>1, 'textarea'=>1, 'tt'=>1, 'u'=>1, 'var'=>1); +$eN = array('a'=>1, 'big'=>1, 'button'=>1, 'fieldset'=>1, 'font'=>1, 'form'=>1, 'iframe'=>1, 'img'=>1, 'input'=>1, 'label'=>1, 'object'=>1, 'ruby'=>1, 'script'=>1, 'select'=>1, 'small'=>1, 'sub'=>1, 'sup'=>1, 'textarea'=>1); // Exclude from specific ele; $cN values +$eO = array('area'=>1, 'caption'=>1, 'col'=>1, 'colgroup'=>1, 'dd'=>1, 'dt'=>1, 'legend'=>1, 'li'=>1, 'optgroup'=>1, 'option'=>1, 'param'=>1, 'rb'=>1, 'rbc'=>1, 'rp'=>1, 'rt'=>1, 'rtc'=>1, 'script'=>1, 'tbody'=>1, 'td'=>1, 'tfoot'=>1, 'thead'=>1, 'th'=>1, 'tr'=>1); // Missing in $eB & $eI +$eF = $eB + $eI; + +// $in sets allowed child +$in = ((isset($eF[$in]) && $in != '#pcdata') or isset($eO[$in])) ? $in : 'div'; +if(isset($cE[$in])){ + return (!$do ? '' : str_replace(array('<', '>'), array('<', '>'), $t)); +} +if(isset($cS[$in])){$inOk = $cS[$in];} +elseif(isset($cI[$in])){$inOk = $eI; $cI['del'] = 1; $cI['ins'] = 1;} +elseif(isset($cF[$in])){$inOk = $eF; unset($cI['del'], $cI['ins']);} +elseif(isset($cB[$in])){$inOk = $eB; unset($cI['del'], $cI['ins']);} +if(isset($cO[$in])){$inOk = $inOk + $cO[$in];} +if(isset($cN[$in])){$inOk = array_diff_assoc($inOk, $cN[$in]);} + +$t = explode('<', $t); +$ok = $q = array(); // $q seq list of open non-empty ele +ob_start(); + +for($i=-1, $ci=count($t); ++$i<$ci;){ + // allowed $ok in parent $p + if($ql = count($q)){ + $p = array_pop($q); + $q[] = $p; + if(isset($cS[$p])){$ok = $cS[$p];} + elseif(isset($cI[$p])){$ok = $eI; $cI['del'] = 1; $cI['ins'] = 1;} + elseif(isset($cF[$p])){$ok = $eF; unset($cI['del'], $cI['ins']);} + elseif(isset($cB[$p])){$ok = $eB; unset($cI['del'], $cI['ins']);} + if(isset($cO[$p])){$ok = $ok + $cO[$p];} + if(isset($cN[$p])){$ok = array_diff_assoc($ok, $cN[$p]);} + }else{$ok = $inOk; unset($cI['del'], $cI['ins']);} + // bad tags, & ele content + if(isset($e) && ($do == 1 or (isset($ok['#pcdata']) && ($do == 3 or $do == 5)))){ + echo '<', $s, $e, $a, '>'; + } + if(isset($x[0])){ + if($do < 3 or isset($ok['#pcdata'])){echo $x;} + elseif(strpos($x, "\x02\x04")){ + foreach(preg_split('`(\x01\x02[^\x01\x02]+\x02\x01)`', $x, -1, PREG_SPLIT_DELIM_CAPTURE | PREG_SPLIT_NO_EMPTY) as $v){ + echo (substr($v, 0, 2) == "\x01\x02" ? $v : ($do > 4 ? preg_replace('`\S`', '', $v) : '')); + } + }elseif($do > 4){echo preg_replace('`\S`', '', $x);} + } + // get markup + if(!preg_match('`^(/?)([a-zA-Z1-6]+)([^>]*)>(.*)`sm', $t[$i], $r)){$x = $t[$i]; continue;} + $s = null; $e = null; $a = null; $x = null; list($all, $s, $e, $a, $x) = $r; + // close tag + if($s){ + if(isset($cE[$e]) or !in_array($e, $q)){continue;} // Empty/unopen + if($p == $e){array_pop($q); echo '</', $e, '>'; unset($e); continue;} // Last open + $add = ''; // Nesting - close open tags that need to be + for($j=-1, $cj=count($q); ++$j<$cj;){ + if(($d = array_pop($q)) == $e){break;} + else{$add .= "</{$d}>";} + } + echo $add, '</', $e, '>'; unset($e); continue; + } + // open tag + // $cB ele needs $eB ele as child + if(isset($cB[$e]) && strlen(trim($x))){ + $t[$i] = "{$e}{$a}>"; + array_splice($t, $i+1, 0, 'div>'. $x); unset($e, $x); ++$ci; --$i; continue; + } + if((($ql && isset($cB[$p])) or (isset($cB[$in]) && !$ql)) && !isset($eB[$e]) && !isset($ok[$e])){ + array_splice($t, $i, 0, 'div>'); unset($e, $x); ++$ci; --$i; continue; + } + // if no open ele, $in = parent; mostly immediate parent-child relation should hold + if(!$ql or !isset($eN[$e]) or !array_intersect($q, $cN2)){ + if(!isset($ok[$e])){ + if($ql && isset($cT[$p])){echo '</', array_pop($q), '>'; unset($e, $x); --$i;} + continue; + } + if(!isset($cE[$e])){$q[] = $e;} + echo '<', $e, $a, '>'; unset($e); continue; + } + // specific parent-child + if(isset($cS[$p][$e])){ + if(!isset($cE[$e])){$q[] = $e;} + echo '<', $e, $a, '>'; unset($e); continue; + } + // nesting + $add = ''; + $q2 = array(); + for($k=-1, $kc=count($q); ++$k<$kc;){ + $d = $q[$k]; + $ok2 = array(); + if(isset($cS[$d])){$q2[] = $d; continue;} + $ok2 = isset($cI[$d]) ? $eI : $eF; + if(isset($cO[$d])){$ok2 = $ok2 + $cO[$d];} + if(isset($cN[$d])){$ok2 = array_diff_assoc($ok2, $cN[$d]);} + if(!isset($ok2[$e])){ + if(!$k && !isset($inOk[$e])){continue 2;} + $add = "</{$d}>"; + for(;++$k<$kc;){$add = "</{$q[$k]}>{$add}";} + break; + } + else{$q2[] = $d;} + } + $q = $q2; + if(!isset($cE[$e])){$q[] = $e;} + echo $add, '<', $e, $a, '>'; unset($e); continue; +} + +// end +if($ql = count($q)){ + $p = array_pop($q); + $q[] = $p; + if(isset($cS[$p])){$ok = $cS[$p];} + elseif(isset($cI[$p])){$ok = $eI; $cI['del'] = 1; $cI['ins'] = 1;} + elseif(isset($cF[$p])){$ok = $eF; unset($cI['del'], $cI['ins']);} + elseif(isset($cB[$p])){$ok = $eB; unset($cI['del'], $cI['ins']);} + if(isset($cO[$p])){$ok = $ok + $cO[$p];} + if(isset($cN[$p])){$ok = array_diff_assoc($ok, $cN[$p]);} +}else{$ok = $inOk; unset($cI['del'], $cI['ins']);} +if(isset($e) && ($do == 1 or (isset($ok['#pcdata']) && ($do == 3 or $do == 5)))){ + echo '<', $s, $e, $a, '>'; +} +if(isset($x[0])){ + if(strlen(trim($x)) && (($ql && isset($cB[$p])) or (isset($cB[$in]) && !$ql))){ + echo '<div>', $x, '</div>'; + } + elseif($do < 3 or isset($ok['#pcdata'])){echo $x;} + elseif(strpos($x, "\x02\x04")){ + foreach(preg_split('`(\x01\x02[^\x01\x02]+\x02\x01)`', $x, -1, PREG_SPLIT_DELIM_CAPTURE | PREG_SPLIT_NO_EMPTY) as $v){ + echo (substr($v, 0, 2) == "\x01\x02" ? $v : ($do > 4 ? preg_replace('`\S`', '', $v) : '')); + } + }elseif($do > 4){echo preg_replace('`\S`', '', $x);} +} +while(!empty($q) && ($e = array_pop($q))){echo '</', $e, '>';} +$o = ob_get_contents(); +ob_end_clean(); +return $o; +// eof +} + +function hl_cmtcd($t){ +// comment/CDATA sec handler +$t = $t[0]; +global $C; +if(!($v = $C[$n = $t[3] == '-' ? 'comment' : 'cdata'])){return $t;} +if($v == 1){return '';} +if($n == 'comment'){ + if(substr(($t = preg_replace('`--+`', '-', substr($t, 4, -3))), -1) != ' '){$t .= ' ';} +} +else{$t = substr($t, 1, -1);} +$t = $v == 2 ? str_replace(array('&', '<', '>'), array('&', '<', '>'), $t) : $t; +return str_replace(array('&', '<', '>'), array("\x03", "\x04", "\x05"), ($n == 'comment' ? "\x01\x02\x04!--$t--\x05\x02\x01" : "\x01\x01\x04$t\x05\x01\x01")); +// eof +} + +function hl_ent($t){ +// entitity handler +global $C; +$t = $t[1]; +static $U = array('quot'=>1,'amp'=>1,'lt'=>1,'gt'=>1); +static $N = array('fnof'=>'402', 'Alpha'=>'913', 'Beta'=>'914', 'Gamma'=>'915', 'Delta'=>'916', 'Epsilon'=>'917', 'Zeta'=>'918', 'Eta'=>'919', 'Theta'=>'920', 'Iota'=>'921', 'Kappa'=>'922', 'Lambda'=>'923', 'Mu'=>'924', 'Nu'=>'925', 'Xi'=>'926', 'Omicron'=>'927', 'Pi'=>'928', 'Rho'=>'929', 'Sigma'=>'931', 'Tau'=>'932', 'Upsilon'=>'933', 'Phi'=>'934', 'Chi'=>'935', 'Psi'=>'936', 'Omega'=>'937', 'alpha'=>'945', 'beta'=>'946', 'gamma'=>'947', 'delta'=>'948', 'epsilon'=>'949', 'zeta'=>'950', 'eta'=>'951', 'theta'=>'952', 'iota'=>'953', 'kappa'=>'954', 'lambda'=>'955', 'mu'=>'956', 'nu'=>'957', 'xi'=>'958', 'omicron'=>'959', 'pi'=>'960', 'rho'=>'961', 'sigmaf'=>'962', 'sigma'=>'963', 'tau'=>'964', 'upsilon'=>'965', 'phi'=>'966', 'chi'=>'967', 'psi'=>'968', 'omega'=>'969', 'thetasym'=>'977', 'upsih'=>'978', 'piv'=>'982', 'bull'=>'8226', 'hellip'=>'8230', 'prime'=>'8242', 'Prime'=>'8243', 'oline'=>'8254', 'frasl'=>'8260', 'weierp'=>'8472', 'image'=>'8465', 'real'=>'8476', 'trade'=>'8482', 'alefsym'=>'8501', 'larr'=>'8592', 'uarr'=>'8593', 'rarr'=>'8594', 'darr'=>'8595', 'harr'=>'8596', 'crarr'=>'8629', 'lArr'=>'8656', 'uArr'=>'8657', 'rArr'=>'8658', 'dArr'=>'8659', 'hArr'=>'8660', 'forall'=>'8704', 'part'=>'8706', 'exist'=>'8707', 'empty'=>'8709', 'nabla'=>'8711', 'isin'=>'8712', 'notin'=>'8713', 'ni'=>'8715', 'prod'=>'8719', 'sum'=>'8721', 'minus'=>'8722', 'lowast'=>'8727', 'radic'=>'8730', 'prop'=>'8733', 'infin'=>'8734', 'ang'=>'8736', 'and'=>'8743', 'or'=>'8744', 'cap'=>'8745', 'cup'=>'8746', 'int'=>'8747', 'there4'=>'8756', 'sim'=>'8764', 'cong'=>'8773', 'asymp'=>'8776', 'ne'=>'8800', 'equiv'=>'8801', 'le'=>'8804', 'ge'=>'8805', 'sub'=>'8834', 'sup'=>'8835', 'nsub'=>'8836', 'sube'=>'8838', 'supe'=>'8839', 'oplus'=>'8853', 'otimes'=>'8855', 'perp'=>'8869', 'sdot'=>'8901', 'lceil'=>'8968', 'rceil'=>'8969', 'lfloor'=>'8970', 'rfloor'=>'8971', 'lang'=>'9001', 'rang'=>'9002', 'loz'=>'9674', 'spades'=>'9824', 'clubs'=>'9827', 'hearts'=>'9829', 'diams'=>'9830', 'apos'=>'39', 'OElig'=>'338', 'oelig'=>'339', 'Scaron'=>'352', 'scaron'=>'353', 'Yuml'=>'376', 'circ'=>'710', 'tilde'=>'732', 'ensp'=>'8194', 'emsp'=>'8195', 'thinsp'=>'8201', 'zwnj'=>'8204', 'zwj'=>'8205', 'lrm'=>'8206', 'rlm'=>'8207', 'ndash'=>'8211', 'mdash'=>'8212', 'lsquo'=>'8216', 'rsquo'=>'8217', 'sbquo'=>'8218', 'ldquo'=>'8220', 'rdquo'=>'8221', 'bdquo'=>'8222', 'dagger'=>'8224', 'Dagger'=>'8225', 'permil'=>'8240', 'lsaquo'=>'8249', 'rsaquo'=>'8250', 'euro'=>'8364', 'nbsp'=>'160', 'iexcl'=>'161', 'cent'=>'162', 'pound'=>'163', 'curren'=>'164', 'yen'=>'165', 'brvbar'=>'166', 'sect'=>'167', 'uml'=>'168', 'copy'=>'169', 'ordf'=>'170', 'laquo'=>'171', 'not'=>'172', 'shy'=>'173', 'reg'=>'174', 'macr'=>'175', 'deg'=>'176', 'plusmn'=>'177', 'sup2'=>'178', 'sup3'=>'179', 'acute'=>'180', 'micro'=>'181', 'para'=>'182', 'middot'=>'183', 'cedil'=>'184', 'sup1'=>'185', 'ordm'=>'186', 'raquo'=>'187', 'frac14'=>'188', 'frac12'=>'189', 'frac34'=>'190', 'iquest'=>'191', 'Agrave'=>'192', 'Aacute'=>'193', 'Acirc'=>'194', 'Atilde'=>'195', 'Auml'=>'196', 'Aring'=>'197', 'AElig'=>'198', 'Ccedil'=>'199', 'Egrave'=>'200', 'Eacute'=>'201', 'Ecirc'=>'202', 'Euml'=>'203', 'Igrave'=>'204', 'Iacute'=>'205', 'Icirc'=>'206', 'Iuml'=>'207', 'ETH'=>'208', 'Ntilde'=>'209', 'Ograve'=>'210', 'Oacute'=>'211', 'Ocirc'=>'212', 'Otilde'=>'213', 'Ouml'=>'214', 'times'=>'215', 'Oslash'=>'216', 'Ugrave'=>'217', 'Uacute'=>'218', 'Ucirc'=>'219', 'Uuml'=>'220', 'Yacute'=>'221', 'THORN'=>'222', 'szlig'=>'223', 'agrave'=>'224', 'aacute'=>'225', 'acirc'=>'226', 'atilde'=>'227', 'auml'=>'228', 'aring'=>'229', 'aelig'=>'230', 'ccedil'=>'231', 'egrave'=>'232', 'eacute'=>'233', 'ecirc'=>'234', 'euml'=>'235', 'igrave'=>'236', 'iacute'=>'237', 'icirc'=>'238', 'iuml'=>'239', 'eth'=>'240', 'ntilde'=>'241', 'ograve'=>'242', 'oacute'=>'243', 'ocirc'=>'244', 'otilde'=>'245', 'ouml'=>'246', 'divide'=>'247', 'oslash'=>'248', 'ugrave'=>'249', 'uacute'=>'250', 'ucirc'=>'251', 'uuml'=>'252', 'yacute'=>'253', 'thorn'=>'254', 'yuml'=>'255'); +if($t[0] != '#'){ + return ($C['and_mark'] ? "\x06" : '&'). (isset($U[$t]) ? $t : (isset($N[$t]) ? (!$C['named_entity'] ? '#'. ($C['hexdec_entity'] > 1 ? 'x'. dechex($N[$t]) : $N[$t]) : $t) : 'amp;'. $t)). ';'; +} +if(($n = ctype_digit($t = substr($t, 1)) ? intval($t) : hexdec(substr($t, 1))) < 9 or ($n > 13 && $n < 32) or $n == 11 or $n == 12 or ($n > 126 && $n < 160 && $n != 133) or ($n > 55295 && ($n < 57344 or ($n > 64975 && $n < 64992) or $n == 65534 or $n == 65535 or $n > 1114111))){ + return ($C['and_mark'] ? "\x06" : '&'). "amp;#{$t};"; +} +return ($C['and_mark'] ? "\x06" : '&'). '#'. (((ctype_digit($t) && $C['hexdec_entity'] < 2) or !$C['hexdec_entity']) ? $n : 'x'. dechex($n)). ';'; +// eof +} + +function hl_prot($p, $c=null){ +// check URL scheme +global $C; +$b = $a = ''; +if($c == null){$c = 'style'; $b = $p[1]; $a = $p[3]; $p = trim($p[2]);} +$c = isset($C['schemes'][$c]) ? $C['schemes'][$c] : $C['schemes']['*']; +static $d = 'denied:'; +if(isset($c['!']) && substr($p, 0, 7) != $d){$p = "$d$p";} +if(isset($c['*']) or !strcspn($p, '#?;') or (substr($p, 0, 7) == $d)){return "{$b}{$p}{$a}";} // All ok, frag, query, param +if(preg_match('`^([a-z\d\-+.&#; ]+?)(:|&#(58|x3a);|%3a|\\\\0{0,4}3a).`i', $p, $m) && !isset($c[strtolower($m[1])])){ // Denied prot + return "{$b}{$d}{$p}{$a}"; +} +if($C['abs_url']){ + if($C['abs_url'] == -1 && strpos($p, $C['base_url']) === 0){ // Make url rel + $p = substr($p, strlen($C['base_url'])); + }elseif(empty($m[1])){ // Make URL abs + if(substr($p, 0, 2) == '//'){$p = substr($C['base_url'], 0, strpos($C['base_url'], ':')+1). $p;} + elseif($p[0] == '/'){$p = preg_replace('`(^.+?://[^/]+)(.*)`', '$1', $C['base_url']). $p;} + elseif(strcspn($p, './')){$p = $C['base_url']. $p;} + else{ + preg_match('`^([a-zA-Z\d\-+.]+://[^/]+)(.*)`', $C['base_url'], $m); + $p = preg_replace('`(?<=/)\./`', '', $m[2]. $p); + while(preg_match('`(?<=/)([^/]{3,}|[^/.]+?|\.[^/.]|[^/.]\.)/\.\./`', $p)){ + $p = preg_replace('`(?<=/)([^/]{3,}|[^/.]+?|\.[^/.]|[^/.]\.)/\.\./`', '', $p); + } + $p = $m[1]. $p; + } + } +} +return "{$b}{$p}{$a}"; +// eof +} + +function hl_regex($p){ +// ?regex +if(empty($p)){return 0;} +if($t = ini_get('track_errors')){$o = isset($php_errormsg) ? $php_errormsg : null;} +else{ini_set('track_errors', 1);} +unset($php_errormsg); +if(($d = ini_get('display_errors'))){ini_set('display_errors', 0);} +preg_match($p, ''); +if($d){ini_set('display_errors', 1);} +$r = isset($php_errormsg) ? 0 : 1; +if($t){$php_errormsg = isset($o) ? $o : null;} +else{ini_set('track_errors', 0);} +return $r; +// eof +} + +function hl_spec($t){ +// final $spec +$s = array(); +$t = str_replace(array("\t", "\r", "\n", ' '), '', preg_replace('/"(?>(`.|[^"])*)"/sme', 'substr(str_replace(array(";", "|", "~", " ", ",", "/", "(", ")", \'`"\'), array("\x01", "\x02", "\x03", "\x04", "\x05", "\x06", "\x07", "\x08", "\""), "$0"), 1, -1)', trim($t))); +for($i = count(($t = explode(';', $t))); --$i>=0;){ + $w = $t[$i]; + if(empty($w) or ($e = strpos($w, '=')) === false or !strlen(($a = substr($w, $e+1)))){continue;} + $y = $n = array(); + foreach(explode(',', $a) as $v){ + if(!preg_match('`^([a-z:\-\*]+)(?:\((.*?)\))?`i', $v, $m)){continue;} + if(($x = strtolower($m[1])) == '-*'){$n['*'] = 1; continue;} + if($x[0] == '-'){$n[substr($x, 1)] = 1; continue;} + if(!isset($m[2])){$y[$x] = 1; continue;} + foreach(explode('/', $m[2]) as $m){ + if(empty($m) or ($p = strpos($m, '=')) == 0 or $p < 5){$y[$x] = 1; continue;} + $y[$x][strtolower(substr($m, 0, $p))] = str_replace(array("\x01", "\x02", "\x03", "\x04", "\x05", "\x06", "\x07", "\x08"), array(";", "|", "~", " ", ",", "/", "(", ")"), substr($m, $p+1)); + } + if(isset($y[$x]['match']) && !hl_regex($y[$x]['match'])){unset($y[$x]['match']);} + if(isset($y[$x]['nomatch']) && !hl_regex($y[$x]['nomatch'])){unset($y[$x]['nomatch']);} + } + if(!count($y) && !count($n)){continue;} + foreach(explode(',', substr($w, 0, $e)) as $v){ + if(!strlen(($v = strtolower($v)))){continue;} + if(count($y)){$s[$v] = $y;} + if(count($n)){$s[$v]['n'] = $n;} + } +} +return $s; +// eof +} + +function hl_tag($t){ +// tag/attribute handler +global $C; +$t = $t[0]; +// invalid < > +if($t == '< '){return '< ';} +if($t == '>'){return '>';} +if(!preg_match('`^<(/?)([a-zA-Z][a-zA-Z1-6]*)([^>]*?)\s?>$`m', $t, $m)){ + return str_replace(array('<', '>'), array('<', '>'), $t); +}elseif(!isset($C['elements'][($e = strtolower($m[2]))])){ + return (($C['keep_bad']%2) ? str_replace(array('<', '>'), array('<', '>'), $t) : ''); +} +// attr string +$a = str_replace(array("\n", "\r", "\t"), ' ', trim($m[3])); +// tag transform +static $eD = array('applet'=>1, 'center'=>1, 'dir'=>1, 'embed'=>1, 'font'=>1, 'isindex'=>1, 'menu'=>1, 's'=>1, 'strike'=>1, 'u'=>1); // Deprecated +if($C['make_tag_strict'] && isset($eD[$e])){ + $trt = hl_tag2($e, $a, $C['make_tag_strict']); + if(!$e){return (($C['keep_bad']%2) ? str_replace(array('<', '>'), array('<', '>'), $t) : '');} +} +// close tag +static $eE = array('area'=>1, 'br'=>1, 'col'=>1, 'embed'=>1, 'hr'=>1, 'img'=>1, 'input'=>1, 'isindex'=>1, 'param'=>1); // Empty ele +if(!empty($m[1])){ + return (!isset($eE[$e]) ? (empty($C['hook_tag']) ? "</$e>" : $C['hook_tag']($e)) : (($C['keep_bad'])%2 ? str_replace(array('<', '>'), array('<', '>'), $t) : '')); +} + +// open tag & attr +static $aN = array('abbr'=>array('td'=>1, 'th'=>1), 'accept-charset'=>array('form'=>1), 'accept'=>array('form'=>1, 'input'=>1), 'accesskey'=>array('a'=>1, 'area'=>1, 'button'=>1, 'input'=>1, 'label'=>1, 'legend'=>1, 'textarea'=>1), 'action'=>array('form'=>1), 'align'=>array('caption'=>1, 'embed'=>1, 'applet'=>1, 'iframe'=>1, 'img'=>1, 'input'=>1, 'object'=>1, 'legend'=>1, 'table'=>1, 'hr'=>1, 'div'=>1, 'h1'=>1, 'h2'=>1, 'h3'=>1, 'h4'=>1, 'h5'=>1, 'h6'=>1, 'p'=>1, 'col'=>1, 'colgroup'=>1, 'tbody'=>1, 'td'=>1, 'tfoot'=>1, 'th'=>1, 'thead'=>1, 'tr'=>1), 'alt'=>array('applet'=>1, 'area'=>1, 'img'=>1, 'input'=>1), 'archive'=>array('applet'=>1, 'object'=>1), 'axis'=>array('td'=>1, 'th'=>1), 'bgcolor'=>array('embed'=>1, 'table'=>1, 'tr'=>1, 'td'=>1, 'th'=>1), 'border'=>array('table'=>1, 'img'=>1, 'object'=>1), 'bordercolor'=>array('table'=>1, 'td'=>1, 'tr'=>1), 'cellpadding'=>array('table'=>1), 'cellspacing'=>array('table'=>1), 'char'=>array('col'=>1, 'colgroup'=>1, 'tbody'=>1, 'td'=>1, 'tfoot'=>1, 'th'=>1, 'thead'=>1, 'tr'=>1), 'charoff'=>array('col'=>1, 'colgroup'=>1, 'tbody'=>1, 'td'=>1, 'tfoot'=>1, 'th'=>1, 'thead'=>1, 'tr'=>1), 'charset'=>array('a'=>1, 'script'=>1), 'checked'=>array('input'=>1), 'cite'=>array('blockquote'=>1, 'q'=>1, 'del'=>1, 'ins'=>1), 'classid'=>array('object'=>1), 'clear'=>array('br'=>1), 'code'=>array('applet'=>1), 'codebase'=>array('object'=>1, 'applet'=>1), 'codetype'=>array('object'=>1), 'color'=>array('font'=>1), 'cols'=>array('textarea'=>1), 'colspan'=>array('td'=>1, 'th'=>1), 'compact'=>array('dir'=>1, 'dl'=>1, 'menu'=>1, 'ol'=>1, 'ul'=>1), 'coords'=>array('area'=>1, 'a'=>1), 'data'=>array('object'=>1), 'datetime'=>array('del'=>1, 'ins'=>1), 'declare'=>array('object'=>1), 'defer'=>array('script'=>1), 'dir'=>array('bdo'=>1), 'disabled'=>array('button'=>1, 'input'=>1, 'optgroup'=>1, 'option'=>1, 'select'=>1, 'textarea'=>1), 'enctype'=>array('form'=>1), 'face'=>array('font'=>1), 'flashvars'=>array('embed'=>1), 'for'=>array('label'=>1), 'frame'=>array('table'=>1), 'frameborder'=>array('iframe'=>1), 'headers'=>array('td'=>1, 'th'=>1), 'height'=>array('embed'=>1, 'iframe'=>1, 'td'=>1, 'th'=>1, 'img'=>1, 'object'=>1, 'applet'=>1), 'href'=>array('a'=>1, 'area'=>1), 'hreflang'=>array('a'=>1), 'hspace'=>array('applet'=>1, 'img'=>1, 'object'=>1), 'ismap'=>array('img'=>1, 'input'=>1), 'label'=>array('option'=>1, 'optgroup'=>1), 'language'=>array('script'=>1), 'longdesc'=>array('img'=>1, 'iframe'=>1), 'marginheight'=>array('iframe'=>1), 'marginwidth'=>array('iframe'=>1), 'maxlength'=>array('input'=>1), 'method'=>array('form'=>1), 'model'=>array('embed'=>1), 'multiple'=>array('select'=>1), 'name'=>array('button'=>1, 'embed'=>1, 'textarea'=>1, 'applet'=>1, 'select'=>1, 'form'=>1, 'iframe'=>1, 'img'=>1, 'a'=>1, 'input'=>1, 'object'=>1, 'map'=>1, 'param'=>1), 'nohref'=>array('area'=>1), 'noshade'=>array('hr'=>1), 'nowrap'=>array('td'=>1, 'th'=>1), 'object'=>array('applet'=>1), 'onblur'=>array('a'=>1, 'area'=>1, 'button'=>1, 'input'=>1, 'label'=>1, 'select'=>1, 'textarea'=>1), 'onchange'=>array('input'=>1, 'select'=>1, 'textarea'=>1), 'onfocus'=>array('a'=>1, 'area'=>1, 'button'=>1, 'input'=>1, 'label'=>1, 'select'=>1, 'textarea'=>1), 'onreset'=>array('form'=>1), 'onselect'=>array('input'=>1, 'textarea'=>1), 'onsubmit'=>array('form'=>1), 'pluginspage'=>array('embed'=>1), 'pluginurl'=>array('embed'=>1), 'prompt'=>array('isindex'=>1), 'readonly'=>array('textarea'=>1, 'input'=>1), 'rel'=>array('a'=>1), 'rev'=>array('a'=>1), 'rows'=>array('textarea'=>1), 'rowspan'=>array('td'=>1, 'th'=>1), 'rules'=>array('table'=>1), 'scope'=>array('td'=>1, 'th'=>1), 'scrolling'=>array('iframe'=>1), 'selected'=>array('option'=>1), 'shape'=>array('area'=>1, 'a'=>1), 'size'=>array('hr'=>1, 'font'=>1, 'input'=>1, 'select'=>1), 'span'=>array('col'=>1, 'colgroup'=>1), 'src'=>array('embed'=>1, 'script'=>1, 'input'=>1, 'iframe'=>1, 'img'=>1), 'standby'=>array('object'=>1), 'start'=>array('ol'=>1), 'summary'=>array('table'=>1), 'tabindex'=>array('a'=>1, 'area'=>1, 'button'=>1, 'input'=>1, 'object'=>1, 'select'=>1, 'textarea'=>1), 'target'=>array('a'=>1, 'area'=>1, 'form'=>1), 'type'=>array('a'=>1, 'embed'=>1, 'object'=>1, 'param'=>1, 'script'=>1, 'input'=>1, 'li'=>1, 'ol'=>1, 'ul'=>1, 'button'=>1), 'usemap'=>array('img'=>1, 'input'=>1, 'object'=>1), 'valign'=>array('col'=>1, 'colgroup'=>1, 'tbody'=>1, 'td'=>1, 'tfoot'=>1, 'th'=>1, 'thead'=>1, 'tr'=>1), 'value'=>array('input'=>1, 'option'=>1, 'param'=>1, 'button'=>1, 'li'=>1), 'valuetype'=>array('param'=>1), 'vspace'=>array('applet'=>1, 'img'=>1, 'object'=>1), 'width'=>array('embed'=>1, 'hr'=>1, 'iframe'=>1, 'img'=>1, 'object'=>1, 'table'=>1, 'td'=>1, 'th'=>1, 'applet'=>1, 'col'=>1, 'colgroup'=>1, 'pre'=>1), 'wmode'=>array('embed'=>1), 'xml:space'=>array('pre'=>1, 'script'=>1, 'style'=>1)); // Ele-specific +static $aNE = array('checked'=>1, 'compact'=>1, 'declare'=>1, 'defer'=>1, 'disabled'=>1, 'ismap'=>1, 'multiple'=>1, 'nohref'=>1, 'noresize'=>1, 'noshade'=>1, 'nowrap'=>1, 'readonly'=>1, 'selected'=>1); // Empty +static $aNP = array('action'=>1, 'cite'=>1, 'classid'=>1, 'codebase'=>1, 'data'=>1, 'href'=>1, 'longdesc'=>1, 'model'=>1, 'pluginspage'=>1, 'pluginurl'=>1, 'usemap'=>1); // Need scheme check; excludes style, on* & src +static $aNU = array('class'=>array('param'=>1, 'script'=>1), 'dir'=>array('applet'=>1, 'bdo'=>1, 'br'=>1, 'iframe'=>1, 'param'=>1, 'script'=>1), 'id'=>array('script'=>1), 'lang'=>array('applet'=>1, 'br'=>1, 'iframe'=>1, 'param'=>1, 'script'=>1), 'xml:lang'=>array('applet'=>1, 'br'=>1, 'iframe'=>1, 'param'=>1, 'script'=>1), 'onclick'=>array('applet'=>1, 'bdo'=>1, 'br'=>1, 'font'=>1, 'iframe'=>1, 'isindex'=>1, 'param'=>1, 'script'=>1), 'ondblclick'=>array('applet'=>1, 'bdo'=>1, 'br'=>1, 'font'=>1, 'iframe'=>1, 'isindex'=>1, 'param'=>1, 'script'=>1), 'onkeydown'=>array('applet'=>1, 'bdo'=>1, 'br'=>1, 'font'=>1, 'iframe'=>1, 'isindex'=>1, 'param'=>1, 'script'=>1), 'onkeypress'=>array('applet'=>1, 'bdo'=>1, 'br'=>1, 'font'=>1, 'iframe'=>1, 'isindex'=>1, 'param'=>1, 'script'=>1), 'onkeyup'=>array('applet'=>1, 'bdo'=>1, 'br'=>1, 'font'=>1, 'iframe'=>1, 'isindex'=>1, 'param'=>1, 'script'=>1), 'onmousedown'=>array('applet'=>1, 'bdo'=>1, 'br'=>1, 'font'=>1, 'iframe'=>1, 'isindex'=>1, 'param'=>1, 'script'=>1), 'onmousemove'=>array('applet'=>1, 'bdo'=>1, 'br'=>1, 'font'=>1, 'iframe'=>1, 'isindex'=>1, 'param'=>1, 'script'=>1), 'onmouseout'=>array('applet'=>1, 'bdo'=>1, 'br'=>1, 'font'=>1, 'iframe'=>1, 'isindex'=>1, 'param'=>1, 'script'=>1), 'onmouseover'=>array('applet'=>1, 'bdo'=>1, 'br'=>1, 'font'=>1, 'iframe'=>1, 'isindex'=>1, 'param'=>1, 'script'=>1), 'onmouseup'=>array('applet'=>1, 'bdo'=>1, 'br'=>1, 'font'=>1, 'iframe'=>1, 'isindex'=>1, 'param'=>1, 'script'=>1), 'style'=>array('param'=>1, 'script'=>1), 'title'=>array('param'=>1, 'script'=>1)); // Univ & exceptions + +if($C['lc_std_val']){ + // predef attr vals for $eAL & $aNE ele + static $aNL = array('all'=>1, 'baseline'=>1, 'bottom'=>1, 'button'=>1, 'center'=>1, 'char'=>1, 'checkbox'=>1, 'circle'=>1, 'col'=>1, 'colgroup'=>1, 'cols'=>1, 'data'=>1, 'default'=>1, 'file'=>1, 'get'=>1, 'groups'=>1, 'hidden'=>1, 'image'=>1, 'justify'=>1, 'left'=>1, 'ltr'=>1, 'middle'=>1, 'none'=>1, 'object'=>1, 'password'=>1, 'poly'=>1, 'post'=>1, 'preserve'=>1, 'radio'=>1, 'rect'=>1, 'ref'=>1, 'reset'=>1, 'right'=>1, 'row'=>1, 'rowgroup'=>1, 'rows'=>1, 'rtl'=>1, 'submit'=>1, 'text'=>1, 'top'=>1); + static $eAL = array('a'=>1, 'area'=>1, 'bdo'=>1, 'button'=>1, 'col'=>1, 'form'=>1, 'img'=>1, 'input'=>1, 'object'=>1, 'optgroup'=>1, 'option'=>1, 'param'=>1, 'script'=>1, 'select'=>1, 'table'=>1, 'td'=>1, 'tfoot'=>1, 'th'=>1, 'thead'=>1, 'tr'=>1, 'xml:space'=>1); + $lcase = isset($eAL[$e]) ? 1 : 0; +} + +$depTr = 0; +if($C['no_deprecated_attr']){ + // dep attr:applicable ele + static $aND = array('align'=>array('caption'=>1, 'div'=>1, 'h1'=>1, 'h2'=>1, 'h3'=>1, 'h4'=>1, 'h5'=>1, 'h6'=>1, 'hr'=>1, 'img'=>1, 'input'=>1, 'legend'=>1, 'object'=>1, 'p'=>1, 'table'=>1), 'bgcolor'=>array('table'=>1, 'td'=>1, 'th'=>1, 'tr'=>1), 'border'=>array('img'=>1, 'object'=>1), 'bordercolor'=>array('table'=>1, 'td'=>1, 'tr'=>1), 'clear'=>array('br'=>1), 'compact'=>array('dl'=>1, 'ol'=>1, 'ul'=>1), 'height'=>array('td'=>1, 'th'=>1), 'hspace'=>array('img'=>1, 'object'=>1), 'language'=>array('script'=>1), 'name'=>array('a'=>1, 'form'=>1, 'iframe'=>1, 'img'=>1, 'map'=>1), 'noshade'=>array('hr'=>1), 'nowrap'=>array('td'=>1, 'th'=>1), 'size'=>array('hr'=>1), 'start'=>array('ol'=>1), 'type'=>array('li'=>1, 'ol'=>1, 'ul'=>1), 'value'=>array('li'=>1), 'vspace'=>array('img'=>1, 'object'=>1), 'width'=>array('hr'=>1, 'pre'=>1, 'td'=>1, 'th'=>1)); + static $eAD = array('a'=>1, 'br'=>1, 'caption'=>1, 'div'=>1, 'dl'=>1, 'form'=>1, 'h1'=>1, 'h2'=>1, 'h3'=>1, 'h4'=>1, 'h5'=>1, 'h6'=>1, 'hr'=>1, 'iframe'=>1, 'img'=>1, 'input'=>1, 'legend'=>1, 'li'=>1, 'map'=>1, 'object'=>1, 'ol'=>1, 'p'=>1, 'pre'=>1, 'script'=>1, 'table'=>1, 'td'=>1, 'th'=>1, 'tr'=>1, 'ul'=>1); + $depTr = isset($eAD[$e]) ? 1 : 0; +} + +// attr name-vals +if(strpos($a, "\x01") !== false){$a = preg_replace('`\x01[^\x01]*\x01`', '', $a);} // No comment/CDATA sec +$mode = 0; $a = trim($a, ' /'); $aA = array(); +while(strlen($a)){ + $w = 0; + switch($mode){ + case 0: // Name + if(preg_match('`^[a-zA-Z][\-a-zA-Z:]+`', $a, $m)){ + $nm = strtolower($m[0]); + $w = $mode = 1; $a = ltrim(substr_replace($a, '', 0, strlen($m[0]))); + } + break; case 1: + if($a[0] == '='){ // = + $w = 1; $mode = 2; $a = ltrim($a, '= '); + }else{ // No val + $w = 1; $mode = 0; $a = ltrim($a); + $aA[$nm] = ''; + } + break; case 2: // Val + if(preg_match('`^((?:"[^"]*")|(?:\'[^\']*\')|(?:\s*[^\s"\']+))(.*)`', $a, $m)){ + $a = ltrim($m[2]); $m = $m[1]; $w = 1; $mode = 0; + $aA[$nm] = trim(($m[0] == '"' or $m[0] == '\'') ? substr($m, 1, -1) : $m); + } + break; + } + if($w == 0){ // Parse errs, deal with space, " & ' + $a = preg_replace('`^(?:"[^"]*("|$)|\'[^\']*(\'|$)|\S)*\s*`', '', $a); + $mode = 0; + } +} +if($mode == 1){$aA[$nm] = '';} + +// clean attrs +global $S; +$rl = isset($S[$e]) ? $S[$e] : array(); +$a = array(); $nfr = 0; +foreach($aA as $k=>$v){ + if(((isset($C['deny_attribute']['*']) ? isset($C['deny_attribute'][$k]) : !isset($C['deny_attribute'][$k])) or isset($rl[$k])) && ((!isset($rl['n'][$k]) && !isset($rl['n']['*'])) or isset($rl[$k])) && (isset($aN[$k][$e]) or (isset($aNU[$k]) && !isset($aNU[$k][$e])))){ + if(isset($aNE[$k])){$v = $k;} + elseif(!empty($lcase) && (($e != 'button' or $e != 'input') or $k == 'type')){ // Rather loose but ?not cause issues + $v = (isset($aNL[($v2 = strtolower($v))])) ? $v2 : $v; + } + if($k == 'style' && !$C['style_pass']){ + if(false !== strpos($v, '&#')){ + static $sC = array(' '=>' ', ' '=>' ', 'E'=>'e', 'E'=>'e', 'e'=>'e', 'e'=>'e', 'X'=>'x', 'X'=>'x', 'x'=>'x', 'x'=>'x', 'P'=>'p', 'P'=>'p', 'p'=>'p', 'p'=>'p', 'S'=>'s', 'S'=>'s', 's'=>'s', 's'=>'s', 'I'=>'i', 'I'=>'i', 'i'=>'i', 'i'=>'i', 'O'=>'o', 'O'=>'o', 'o'=>'o', 'o'=>'o', 'N'=>'n', 'N'=>'n', 'n'=>'n', 'n'=>'n', 'U'=>'u', 'U'=>'u', 'u'=>'u', 'u'=>'u', 'R'=>'r', 'R'=>'r', 'r'=>'r', 'r'=>'r', 'L'=>'l', 'L'=>'l', 'l'=>'l', 'l'=>'l', '('=>'(', '('=>'(', ')'=>')', ')'=>')', ' '=>':', ' '=>':', '"'=>'"', '"'=>'"', '''=>"'", '''=>"'", '/'=>'/', '/'=>'/', '*'=>'*', '*'=>'*', '\'=>'\\', '\'=>'\\'); + $v = strtr($v, $sC); + } + $v = preg_replace_callback('`(url(?:\()(?: )*(?:\'|"|&(?:quot|apos);)?)(.+?)((?:\'|"|&(?:quot|apos);)?(?: )*(?:\)))`iS', 'hl_prot', $v); + $v = !$C['css_expression'] ? preg_replace('`expression`i', ' ', preg_replace('`\\\\\S|(/|(%2f))(\*|(%2a))`i', ' ', $v)) : $v; + }elseif(isset($aNP[$k]) or strpos($k, 'src') !== false or $k[0] == 'o'){ + $v = str_replace("\xad", ' ', (strpos($v, '&') !== false ? str_replace(array('­', '­', '­'), ' ', $v) : $v)); + $v = hl_prot($v, $k); + if($k == 'href'){ // X-spam + if($C['anti_mail_spam'] && strpos($v, 'mailto:') === 0){ + $v = str_replace('@', htmlspecialchars($C['anti_mail_spam']), $v); + }elseif($C['anti_link_spam']){ + $r1 = $C['anti_link_spam'][1]; + if(!empty($r1) && preg_match($r1, $v)){continue;} + $r0 = $C['anti_link_spam'][0]; + if(!empty($r0) && preg_match($r0, $v)){ + if(isset($a['rel'])){ + if(!preg_match('`\bnofollow\b`i', $a['rel'])){$a['rel'] .= ' nofollow';} + }elseif(isset($aA['rel'])){ + if(!preg_match('`\bnofollow\b`i', $aA['rel'])){$nfr = 1;} + }else{$a['rel'] = 'nofollow';} + } + } + } + } + if(isset($rl[$k]) && is_array($rl[$k]) && ($v = hl_attrval($v, $rl[$k])) === 0){continue;} + $a[$k] = str_replace('"', '"', $v); + } +} +if($nfr){$a['rel'] = isset($a['rel']) ? $a['rel']. ' nofollow' : 'nofollow';} + +// rqd attr +static $eAR = array('area'=>array('alt'=>'area'), 'bdo'=>array('dir'=>'ltr'), 'form'=>array('action'=>''), 'img'=>array('src'=>'', 'alt'=>'image'), 'map'=>array('name'=>''), 'optgroup'=>array('label'=>''), 'param'=>array('name'=>''), 'script'=>array('type'=>'text/javascript'), 'textarea'=>array('rows'=>'10', 'cols'=>'50')); +if(isset($eAR[$e])){ + foreach($eAR[$e] as $k=>$v){ + if(!isset($a[$k])){$a[$k] = isset($v[0]) ? $v : $k;} + } +} + +// depr attrs +if($depTr){ + $c = array(); + foreach($a as $k=>$v){ + if($k == 'style' or !isset($aND[$k][$e])){continue;} + if($k == 'align'){ + unset($a['align']); + if($e == 'img' && ($v == 'left' or $v == 'right')){$c[] = 'float: '. $v;} + elseif(($e == 'div' or $e == 'table') && $v == 'center'){$c[] = 'margin: auto';} + else{$c[] = 'text-align: '. $v;} + }elseif($k == 'bgcolor'){ + unset($a['bgcolor']); + $c[] = 'background-color: '. $v; + }elseif($k == 'border'){ + unset($a['border']); $c[] = "border: {$v}px"; + }elseif($k == 'bordercolor'){ + unset($a['bordercolor']); $c[] = 'border-color: '. $v; + }elseif($k == 'clear'){ + unset($a['clear']); $c[] = 'clear: '. ($v != 'all' ? $v : 'both'); + }elseif($k == 'compact'){ + unset($a['compact']); $c[] = 'font-size: 85%'; + }elseif($k == 'height' or $k == 'width'){ + unset($a[$k]); $c[] = $k. ': '. ($v[0] != '*' ? $v. (ctype_digit($v) ? 'px' : '') : 'auto'); + }elseif($k == 'hspace'){ + unset($a['hspace']); $c[] = "margin-left: {$v}px; margin-right: {$v}px"; + }elseif($k == 'language' && !isset($a['type'])){ + unset($a['language']); + $a['type'] = 'text/'. strtolower($v); + }elseif($k == 'name'){ + if($C['no_deprecated_attr'] == 2 or ($e != 'a' && $e != 'map')){unset($a['name']);} + if(!isset($a['id']) && preg_match('`[a-zA-Z][a-zA-Z\d.:_\-]*`', $v)){$a['id'] = $v;} + }elseif($k == 'noshade'){ + unset($a['noshade']); $c[] = 'border-style: none; border: 0; background-color: gray; color: gray'; + }elseif($k == 'nowrap'){ + unset($a['nowrap']); $c[] = 'white-space: nowrap'; + }elseif($k == 'size'){ + unset($a['size']); $c[] = 'size: '. $v. 'px'; + }elseif($k == 'start' or $k == 'value'){ + unset($a[$k]); + }elseif($k == 'type'){ + unset($a['type']); + static $ol_type = array('i'=>'lower-roman', 'I'=>'upper-roman', 'a'=>'lower-latin', 'A'=>'upper-latin', '1'=>'decimal'); + $c[] = 'list-style-type: '. (isset($ol_type[$v]) ? $ol_type[$v] : 'decimal'); + }elseif($k == 'vspace'){ + unset($a['vspace']); $c[] = "margin-top: {$v}px; margin-bottom: {$v}px"; + } + } + if(count($c)){ + $c = implode('; ', $c); + $a['style'] = isset($a['style']) ? rtrim($a['style'], ' ;'). '; '. $c. ';': $c. ';'; + } +} +// unique ID +if($C['unique_ids'] && isset($a['id'])){ + if(!preg_match('`^[A-Za-z][A-Za-z0-9_\-.:]*$`', ($id = $a['id'])) or (isset($GLOBALS['hl_Ids'][$id]) && $C['unique_ids'] == 1)){unset($a['id']); + }else{ + while(isset($GLOBALS['hl_Ids'][$id])){$id = $C['unique_ids']. $id;} + $GLOBALS['hl_Ids'][($a['id'] = $id)] = 1; + } +} +// xml:lang +if($C['xml:lang'] && isset($a['lang'])){ + $a['xml:lang'] = isset($a['xml:lang']) ? $a['xml:lang'] : $a['lang']; + if($C['xml:lang'] == 2){unset($a['lang']);} +} +// for transformed tag +if(!empty($trt)){ + $a['style'] = isset($a['style']) ? rtrim($a['style'], ' ;'). '; '. $trt : $trt; +} +// return with empty ele / +if(empty($C['hook_tag'])){ + $aA = ''; + foreach($a as $k=>$v){$aA .= " {$k}=\"{$v}\"";} + return "<{$e}{$aA}". (isset($eE[$e]) ? ' /' : ''). '>'; +} +else{return $C['hook_tag']($e, $a);} +// eof +} + +function hl_tag2(&$e, &$a, $t=1){ +// transform tag +if($e == 'center'){$e = 'div'; return 'text-align: center;';} +if($e == 'dir' or $e == 'menu'){$e = 'ul'; return '';} +if($e == 's' or $e == 'strike'){$e = 'span'; return 'text-decoration: line-through;';} +if($e == 'u'){$e = 'span'; return 'text-decoration: underline;';} +static $fs = array('0'=>'xx-small', '1'=>'xx-small', '2'=>'small', '3'=>'medium', '4'=>'large', '5'=>'x-large', '6'=>'xx-large', '7'=>'300%', '-1'=>'smaller', '-2'=>'60%', '+1'=>'larger', '+2'=>'150%', '+3'=>'200%', '+4'=>'300%'); +if($e == 'font'){ + $a2 = ''; + if(preg_match('`face\s*=\s*(\'|")([^=]+?)\\1`i', $a, $m) or preg_match('`face\s*=\s*([^"])(\S+)`i', $a, $m)){ + $a2 .= ' font-family: '. str_replace('"', '\'', trim($m[2])). ';'; + } + if(preg_match('`color\s*=\s*(\'|")?(.+?)(\\1|\s|$)`i', $a, $m)){ + $a2 .= ' color: '. trim($m[2]). ';'; + } + if(preg_match('`size\s*=\s*(\'|")?(.+?)(\\1|\s|$)`i', $a, $m) && isset($fs[($m = trim($m[2]))])){ + $a2 .= ' font-size: '. $fs[$m]. ';'; + } + $e = 'span'; return ltrim($a2); +} +if($t == 2){$e = 0; return 0;} +return ''; +// eof +} + +function hl_tidy($t, $w, $p){ +// Tidy/compact HTM +if(strpos(' pre,script,textarea', "$p,")){return $t;} +$t = str_replace(' </', '</', preg_replace(array('`(<\w[^>]*(?<!/)>)\s+`', '`\s+`', '`(<\w[^>]*(?<!/)>) `'), array(' $1', ' ', '$1'), preg_replace_callback(array('`(<(!\[CDATA\[))(.+?)(\]\]>)`sm', '`(<(!--))(.+?)(-->)`sm', '`(<(pre|script|textarea)[^>]*?>)(.+?)(</\2>)`sm'), create_function('$m', 'return $m[1]. str_replace(array("<", ">", "\n", "\r", "\t", " "), array("\x01", "\x02", "\x03", "\x04", "\x05", "\x07"), $m[3]). $m[4];'), $t))); +if(($w = strtolower($w)) == -1){ + return str_replace(array("\x01", "\x02", "\x03", "\x04", "\x05", "\x07"), array('<', '>', "\n", "\r", "\t", ' '), $t); +} +$s = strpos(" $w", 't') ? "\t" : ' '; +$s = preg_match('`\d`', $w, $m) ? str_repeat($s, $m[0]) : str_repeat($s, ($s == "\t" ? 1 : 2)); +$n = preg_match('`[ts]([1-9])`', $w, $m) ? $m[1] : 0; +$a = array('br'=>1); +$b = array('button'=>1, 'input'=>1, 'option'=>1); +$c = array('caption'=>1, 'dd'=>1, 'dt'=>1, 'h1'=>1, 'h2'=>1, 'h3'=>1, 'h4'=>1, 'h5'=>1, 'h6'=>1, 'isindex'=>1, 'label'=>1, 'legend'=>1, 'li'=>1, 'object'=>1, 'p'=>1, 'pre'=>1, 'td'=>1, 'textarea'=>1, 'th'=>1); +$d = array('address'=>1, 'blockquote'=>1, 'center'=>1, 'colgroup'=>1, 'dir'=>1, 'div'=>1, 'dl'=>1, 'fieldset'=>1, 'form'=>1, 'hr'=>1, 'iframe'=>1, 'map'=>1, 'menu'=>1, 'noscript'=>1, 'ol'=>1, 'optgroup'=>1, 'rbc'=>1, 'rtc'=>1, 'ruby'=>1, 'script'=>1, 'select'=>1, 'table'=>1, 'tfoot'=>1, 'thead'=>1, 'tr'=>1, 'ul'=>1); +ob_start(); +if(isset($d[$p])){echo str_repeat($s, ++$n);} +$t = explode('<', $t); +echo ltrim(array_shift($t)); +for($i=-1, $j=count($t); ++$i<$j;){ + $r = ''; list($e, $r) = explode('>', $t[$i]); + $x = $e[0] == '/' ? 0 : (substr($e, -1) == '/' ? 1 : ($e[0] != '!' ? 2 : -1)); + $y = !$x ? ltrim($e, '/') : ($x > 0 ? substr($e, 0, strcspn($e, ' ')) : 0); + $e = "<$e>"; + if(isset($d[$y])){ + if(!$x){echo "\n", str_repeat($s, --$n), "$e\n", str_repeat($s, $n);} + else{echo "\n", str_repeat($s, $n), "$e\n", str_repeat($s, ($x != 1 ? ++$n : $n));} + echo ltrim($r); continue; + } + $f = "\n". str_repeat($s, $n); + if(isset($c[$y])){ + if(!$x){echo $e, $f, ltrim($r);} + else{echo $f, $e, $r;} + }elseif(isset($b[$y])){echo $f, $e, $r; + }elseif(isset($a[$y])){echo $e, $f, ltrim($r); + }elseif(!$y){echo $f, $e, $f, ltrim($r); + }else{echo $e, $r;} +} +$t = preg_replace('`[\n]\s*?[\n]+`', "\n", ob_get_contents()); +ob_end_clean(); +if(($l = strpos(" $w", 'r') ? (strpos(" $w", 'n') ? "\r\n" : "\r") : 0)){ + $t = str_replace("\n", $l, $t); +} +return str_replace(array("\x01", "\x02", "\x03", "\x04", "\x05", "\x07"), array('<', '>', "\n", "\r", "\t", ' '), $t); +// eof +} + +function hl_version(){ +// rel +return '1.1.11'; +// eof +} + +function kses($t, $h, $p=array('http', 'https', 'ftp', 'news', 'nntp', 'telnet', 'gopher', 'mailto')){ +// kses compat +foreach($h as $k=>$v){ + $h[$k]['n']['*'] = 1; +} +$C['cdata'] = $C['comment'] = $C['make_tag_strict'] = $C['no_deprecated_attr'] = $C['unique_ids'] = 0; +$C['keep_bad'] = 1; +$C['elements'] = count($h) ? strtolower(implode(',', array_keys($h))) : '-*'; +$C['hook'] = 'kses_hook'; +$C['schemes'] = '*:'. implode(',', $p); +return htmLawed($t, $C, $h); +// eof +} + +function kses_hook($t, &$C, &$S){ +// kses compat +return $t; +// eof +}
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