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<?php
# PHPKIT WCMS | Web Content Management System
#
#
# YOU ARE NOT AUTHORISED TO CREATE ILLEGAL COPIES OF THIS
# FILE AND/OR TO REMOVE THIS INFORMATION
#
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# DATEI ZU ERSTELLEN UND/ODER DIESE INFORMATIONEN ZU ENTFERNEN
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# information please visit our website or contact us via email:
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# Diese Datei / die PHPKIT Software ist keine Freeware! Für weitere
# Informationen besuchen Sie bitte unsere Website oder kontaktieren uns per E-Mail:
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# email : info@phpkit.com
# website : Web Server's Default Page
# licence : http://www.phpkit.com/licence
# copyright : Copyright (c) 2002-2009 mxbyte gbr | Web Server's Default Page


class pkBbcode
{
protected $text = '';

var $urldetect=1;
var $urlcut=1;
var $urlmaxwidth=60;
var $urlwidth1=50;
var $urlwidth2=-10;

var $censoruse=1;
var $imageresize=0;
var $textmaxlength=0;

protected $parse_bbcode = 1;
protected $parse_smilies = 1;
protected $parse_html = 0;
protected $parse_images = 1;

protected $smilies_search = array();
protected $smilies_replace = array();

protected $censorreplace = '*';
protected $censor_badword_hash = array();

var $bbhash='';
var $smiliehash='';

protected $urldetect_search = array(
# '#(??<!http://|https://|ftp://|ftps://)(www\.([^\s]*)))#iuS', #not working cause every char is allowed in urls
##### Lightbox by burnerfm.de & pimpyourkit.de #####
'#(??<!img]|mgl]|mgo]|mgr]|url=|[url|ef="|rc="|on="])((ht|f)tp(s?)://([^\s]*)))#iuS', #clean except links as linktexts
##### Lightbox by burnerfm.de & pimpyourkit.de #####
);

protected $urldetect_replace = array(
# '\\1', #not working cause every char is allowed in urls
'\\1',
);


#@Method: __construct
#@Access: public
#@Param: void
#@Return: void
#@Desc: Constructor. Predefines smilies, bbcodes, and censor words.
public function __construct()
{
$this->bbhash = pkCfgData('bbcode');

#smilies
$obj = new smilies;
$array = $obj->getSmilieCache();
$array = is_array($array) ? $array : array();

foreach($array as $smilie)
{
$this->smilies_search[] = pkEntities($smilie['smilie_code']);
$this->smilies_replace[] = '<img src="'.$smilie['smilie_path'].'" alt="'.$smilie['smilie_title'].'" />';
}

#censorlist
$badwords = pkGetConfig('censor_badword');
$badwords = is_string($badwords) ? $badwords : '';
$badwords = explode("\n", $badwords);
$this->censor_badword_hash = $badwords;
}
#@END Method: __construct


#@Method: parse
#@Access: public
#@Param: string text
#@Param: bool html
#@Param: bool bb
#@Param: bool smilies
#@Param: bool images
#@Param: bool censor
#@Param: bool imageresize
#@Param: bool textmaxlength
#@Return: string
#@Desc: Primary method to parses texts.
public function parse($text='',$html=0,$bb=0,$smilies=0,$images=0,$censor=0,$imageresize=0,$textmaxlength=0)
{
if(empty($text))
{
return '';
}

$this->text = ' '.$text.' '; #s simple solution for smiles and other tags at the beginning to be parsed when containing a leading blank-space
$this->imageresize = $imageresize;
$this->textmaxlength = $textmaxlength;
$this->urlmaxwidth = $textmaxlength;
$this->urlmaxwidth ? NULL : $this->urlcut=0;

$this->parse_bbcode = $bb ? 1 : 0;
$this->parse_smilies = $smilies ? 1 : 0;
$this->parse_images = $images ? 1 : 0;
$this->parse_html = $html ? 1 : 0;


#should be removed in the future, sessions ID are not visible anymore
$this->text = pkRemoveSessionId($this->text);

#censor
if($censor)
{
$this->textcensor();
}

#urldetect - not when html is active
if($this->urldetect && !$this->parse_html)
{
$this->urldetect();
}

$this->text = $this->parse_html ? $this->prepare_html($this->text) : pkEntities($this->text);

if(!$this->parse_images)
{
$this->remove_images();
}

if($this->parse_bbcode)
{
$this->parse_bbcode();
}

if($this->parse_smilies)
{
$this->parse_smilies();
}

$this->text = nl2br($this->text);

#html allowed
if($this->parse_html)
{
$this->text = str_replace('&quot;','"',$this->text);
}
else
{
$this->text = preg_replace("/(vb|java)script:/i","\\1 script:",$this->text);
}

if($this->textmaxlength)
{
$this->text = pk::txtwrap($this->text,$this->textmaxlength);
}

#remove not need whitespaces
$this->text = trim($this->text);

return $this->text;
}
#@END Method: parse


#@Method: prepare_html
#@Access: protected
#@Param: string text
#@Return: string
#@Desc:
function prepare_html($text='')
{
$text = preg_replace("#<table(.*)>([ |\n|\r\s]{1,})<tr#iUs","<table\\1><tr",$text);
$text = preg_replace("#<tr(.*)>([ |\n|\r\s]{1,})<td#iUs","<tr\\1><td",$text);
$text = preg_replace("#</td>([ |\n|\r\s]{1,})</tr>#iUs","</td></tr>",$text);
$text = preg_replace("#</tr>([ |\n|\r\s]{1,})</table>#iUs","</tr></table>",$text);

return str_replace('"',"&quot;",$text);
}
#@END Method: prepare_html


#@Method: urldetect
#@Access: protected
#@Param: void
#@Return: void
#@Desc:
protected function urldetect()
{
$this->text = preg_replace($this->urldetect_search,$this->urldetect_replace,$this->text);
}
#@END Method: urldetect


#@Method: parse_bbcode
#@Access: protected
#@Param: void
#@Return: void
#@Desc:
protected function parse_bbcode()
{
$text = &$this->text;#reference - for a smarter use

#search & replace standard bbcodes
foreach($this->bbhash as $code)
{
switch($code['type'])
{
case 'single' :
$text = preg_replace("#\[".$code['tag']."\]#isuSU",$code['html'],$text);
break; #END case single

case 'double' :
$pattern = "#\[(".$code['tag'].")=(.*)\](.*)\[/\\1\]#eisuSU";

$text = preg_replace($pattern,"\$this->replace_bbcode('$code[html]','\\3','\\2')",$text);
break; #END case double

case 'img' :

if($this->parse_images)
{
$pattern = "#\[(".$code['tag'].")]([^\"\?\&]*\.(gif|jpg|jpeg|bmp|png))([\s]?)\[\/\\1\]#eiU";
##### Lightbox by burnerfm.de & pimpyourkit.de #####
$text = preg_replace($pattern,"\$this->replace_lightbox_image('$code[html]','\\2')",$text);
##### Lightbox by burnerfm.de & pimpyourkit.de #####

$text = preg_replace($pattern,"\$this->replace_image('$code[html]','\\2')",$text);
}
break; #END case img
case 'url' :
$func = 'replace_url';

$pattern = "#\[(".$code['tag'].")\](.*)\[/\\1\]#eisuSU"; #format: link
$text = preg_replace($pattern,"\$this->$func('$code[html]','\\2')",$text);

$pattern = "#\[(".$code['tag'].")=(.*)\](.*)\[/\\1\]#eisuSU"; #format text
$text = preg_replace($pattern,"\$this->$func('$code[html]','\\2','\\3')",$text);

break; #END case url
case 'list' :
default :
$func = 'replace_bbcode';
$func = $code['type']=='list' ? 'replace_list' : $func;

$pattern = "#\[(".$code['tag'].")\](.*)\[/\\1\]#eisuSU";

while(preg_match($pattern,$text))
{
$text = preg_replace($pattern,"\$this->$func('$code[html]','\\2')",$text);
}

break; #END default
}#END switch
}#END foreach bbhash
}
#@END Method: parse_bbcode

#@Method: parse_smilies
#@Access: protected
#@Param: void
#@Return: void
#@Desc:
protected function parse_smilies()
{
$this->text = str_replace($this->smilies_search,$this->smilies_replace,$this->text);
}
#@END Method: parse_smilies


#@Method: replace_list
#@Access: protected
#@Param: string html
#@Param: string text
#@Param: string option
#@Return: string
#@Desc:
protected function replace_bbcode($html,$text,$option='')
{
$option = trim($option);
$option = empty($option) ? $text : $option;

$html = str_replace("{text}",$text,$html);
$html = str_replace("{option}",$option,$html);

return $html;
}
#@END Method: replace_bbcode


#@Method: replace_list
#@Access: protected
#@Param: string html
#@Param: string text
#@Return: string
#@Desc:
protected function replace_list($html,$text)
{
#need trim here to avoid empty cols between list-elements
#text should contains some li/* elements
$text = trim($text);

#empty list-tags (ul,ol,dl) arnt allowed - so return an empty string in this case
if(empty($text))
{
return '';
}

#replace correctly with <li></li> without linebreaks
$pattern = "#\[(li)\](.*)\[/\\1\]#isuSU";
$text = preg_replace($pattern,'<li>\\2</li>',$text);


#do we have simple sinlge tags?
if(strstr($text,'[*]'))
{
#split by the simple single tag [*]
$matches = explode('[*]',$text);

foreach($matches as $i=>$str)
{
$str = trim($str);#empty lines will be removed

if(empty($str))
{
unset($matches[$i]);
continue;
}

$matches[$i] = '<li>'.$str.'</li>';
}

$text = implode('',$matches);
}#END simple single tags


#created the whole list and clean it up
$text = str_replace("{text}",$text,$html);
$text = preg_replace("#(\/li|ul|ol type=\"a\"|ol type=\"1\")>(.*)*<(li|\/ol|\/ul){1}>#sSU",'\\1><\\3>',$text);#removes everything between list related tags
$text = $text==str_replace("{text}",'',$html) ? '' : $text; # if the list is now empty nothing will be displayed, otherwise it wouldnt not be valid XHTML

return $text;
}
#@END Method: replace_list


#@Method: replace_url
#@Access: protected
#@Param: string html
#@Param: string url
#@Param: [string text]
function replace_url($html,$url,$text='')
{
$url = trim($url);
$text = empty($text) ? $url : $text;
$text = trim($text);

if($this->urlcut && strlen($text)>$this->urlmaxwidth && !preg_match("/[><\[\]]/",$text))
{
$text = substr($text,0,$this->urlwidth1)."...".substr($text,$this->urlwidth2);
}

#prevent double-links when imageresize is on
if($this->imageresize && preg_match("/\<a (.*)<\/a>/i",$text))
{
return str_replace("\\\"","\"",$text);
}

$str = str_replace("{text}",$text,$html);
$str = str_replace("{option}",$url,$str);
$str = str_replace("\\\"","\"",$str);

return $str;
}
#@END Method: replace_url
#@Method: Lightbox by burnerfm.de & pimpyourkit.de
#@Access: protected
#@Param: string html
#@Param: string url
#@Return: string
#@Desc:

protected function replace_lightbox_image($html,$url)
{
include(pkDIRCLASS.'lightbox'.pkEXT);
return $str;
}
#@END Method: Lightbox by burnerfm.de & pimpyourkit.de


#@Method: replace_ images
#@Access: protected
#@Param: string html
#@Param: string link
#@Return: string
#@Desc:
#IMG Fader Modifikation www.kit-coding.de
protected function replace_image($html,$link)
{
$link2=$link;
$PTInfos=pathinfo($link);
if($this->imageresize)
{
#$html = '<a href="'.$link.'" target="_blank">'.$html.'</a>';
$link = pkLinkFx('rsimg','src='.base64_encode($link));
}

$str = str_replace("{image}",$link,str_replace("{imagebig}",$link2,str_replace("{imagecap}",pkentities($PTInfos['filename']),$html)));

return $str;
}
#IMG Fader Modifikation www.kit-coding.de
#@END Method: replace_image


#@Method: remove_images
#@Access: protected
#@Param: void
#@Return: void
#@Desc:
protected function remove_images()
{
##### Lightbox by burnerfm.de & pimpyourkit.de #####
$pattern = "#\[(/?)(img|imgr|imgl|imgo)\]#i";
##### Lightbox by burnerfm.de & pimpyourkit.de ####

$this->text = preg_replace($pattern,'[\\1url]',$this->text);
}
#@END Method: remove_images


#@Method: textcensor
#@Access: protected
#@Param: void
#@Return: void
#@Desc:
protected function textcensor()
{
if(empty($this->censor_badword_hash) || $this->censoruse!=1)
{
return;
}

$replacer = $this->censorreplace;
$censorlist = $this->censor_badword_hash;


foreach($censorlist as $badword)
{
$badword = trim($badword);

if(empty($badword))
{
continue;
}

#badword length
$len = strlen($badword);
$replace = '';

if(preg_match("#\{(.*)\}#isU",$badword))#exact match
{
$len = $len-2;
$replace = str_repeat($replacer,$len);

$this->text = preg_replace($badword," ".$replace." ",$this->text);
}
else
{
$replace = str_repeat($replacer,$len);

$this->text = eregi_replace($badword,$replace,$this->text);
}
}#END foreach
}
#@END Method: textcensor
}
#@END Method: pkBbcode
?>