post_parser.php

来自「sabreipb 2.1.6 utf-8中文版本！」· PHP 代码 · 共 1,500 行 · 第 1/4 页

		 
		$this->quote_closed++;
		 
		return "<!--QuoteEnd-->{$this->quote_html['END']}<!--QuoteEEnd-->";
	}
	
	/*-------------------------------------------------------------------------*/
	// regex_quote_tag: Builds this quote tag HTML
	// [QUOTE=Matthew,14 February 2002]
	/*-------------------------------------------------------------------------*/
	
	function regex_quote_tag($name="", $date="")
	{
		global $ibforums;
		
		if ( $date != "" )
		{
			$default = "\[quote=$name,$date\]";
		}
		else
		{
			$default = "\[quote=$name\]";
		}
		
		if ( strstr( $name, '<!--c1-->' ) or strstr( $date, '<!--c1-->' ) )
		{
			//-----------------------------------------
			// Code tag detected...
			//-----------------------------------------
			
			$this->quote_error++;
		 	return $default;
		}
		
		$name = str_replace( "+", "&#043;", $name );
		$name = str_replace( "-", "&#045;", $name );
		$name = str_replace( '[', "&#091;", $name );
		$name = str_replace( ']', "&#093;", $name );
		
		$this->quote_open++;
	
		if ($date == "")
		{
			$html = $this->wrap_style( 'quote', "($name)");
		}
		else
		{
			$html = $this->wrap_style( 'quote', "($name &#064; $date)" );
		}
		
		$extra = "-".$name.'+'.$date;
		
		return "<!--QuoteBegin".$extra."-->{$html['START']}<!--QuoteEBegin-->";
		
	}		
	
	/*-------------------------------------------------------------------------*/
	// regex_check_flash: Checks, and builds the <object>
	// html.
	/*-------------------------------------------------------------------------*/
	
	function regex_check_flash($width="", $height="", $url="")
	{
		global $ibforums;
		
		$default = "\[flash=$width,$height\]$url\[/flash\]";
		
		if (!$ibforums->vars['allow_flash']) {
			return $default;
		}
		
		if ($width > $ibforums->vars['max_w_flash']) {
			$this->error = 'flash_too_big';
			return $default;
		}
		
		if ($height > $ibforums->vars['max_h_flash']) {
			$this->error = 'flash_too_big';
			return $default;
		}
		
		if (!preg_match( "/^http:\/\/(\S+)\.swf$/i", $url) ) {
			$this->error = 'flash_url';
			return $default;
		}
		
		return "<!--Flash $width+$height+$url--><OBJECT CLASSID='clsid:D27CDB6E-AE6D-11cf-96B8-444553540000' WIDTH=$width HEIGHT=$height><PARAM NAME=MOVIE VALUE=$url><PARAM NAME=PLAY VALUE=TRUE><PARAM NAME=LOOP VALUE=TRUE><PARAM NAME=QUALITY VALUE=HIGH><EMBED SRC=$url WIDTH=$width HEIGHT=$height PLAY=TRUE LOOP=TRUE QUALITY=HIGH></EMBED></OBJECT><!--End Flash-->";
	}
	
	/*-------------------------------------------------------------------------*/
	// regex_check_image: Checks, and builds the <img>
	// html.
	/*-------------------------------------------------------------------------*/
	
	function regex_check_image($url="")
	{
		global $ibforums;
		
		if (!$url) return;
		
		$url = trim($url);
		
		$default = "[img]".$url."[/img]";
		
		++$this->image_count;
		
		//-----------------------------------------
		// Make sure we've not overriden the set image # limit
		//-----------------------------------------
		
		if ($ibforums->vars['max_images'])
		{
			if ($this->image_count > $ibforums->vars['max_images'])
			{
				$this->error = 'too_many_img';
				return $default;
			}
		}
		
		//-----------------------------------------
		// Are they attempting to post a dynamic image, or JS?
		//-----------------------------------------
		
		if ($ibforums->vars['allow_dynamic_img'] != 1)
		{
			if (preg_match( "/[?&;]/", $url))
			{
				$this->error = 'no_dynamic';
				return $default;
			}
			if (preg_match( "/javascript(\:|\s)/i", $url ))
			{
				$this->error = 'no_dynamic';
				return $default;
			}
		}
		
		//-----------------------------------------
		// Is the img extension allowed to be posted?
		//-----------------------------------------
		
		if ($ibforums->vars['img_ext'])
		{
			$extension = preg_replace( "#^.*\.(\S+)$#", "\\1", $url );
			
			$extension = strtolower($extension);
			
			if ( (! $extension) OR ( preg_match( "#/#", $extension ) ) )
			{
				$this->error = 'invalid_ext';
				return $default;
			}
			
			$ibforums->vars['img_ext'] = strtolower($ibforums->vars['img_ext']);
			
			if ( ! preg_match( "/".preg_quote($extension, '/')."(,|$)/", $ibforums->vars['img_ext'] ))
			{
				$this->error = 'invalid_ext';
				return $default;
			}
		}
		
		//-----------------------------------------
		// Is it a legitimate image?
		//-----------------------------------------
		
		if (!preg_match( "/^(http|https|ftp):\/\//i", $url )) {
			$this->error = 'no_dynamic';
			return $default;
		}
		
		//-----------------------------------------
		// If we are still here....
		//-----------------------------------------
		
		$url = str_replace( " ", "%20", $url );
		
		return "<img src='$url' border='0' alt='用户发表的图片' />";
	}
		
	
    /*-------------------------------------------------------------------------*/
	// regex_font_attr:
	// Returns a string for an /e regexp based on the input
	/*-------------------------------------------------------------------------*/
	
	function regex_font_attr($IN)
	{
		if (!is_array($IN)) return "";
		
		//-----------------------------------------
		// Trim out stoopid 1337 stuff
		// [color=black;font-size:500pt;border:orange 50in solid;]hehe[/color]
		//-----------------------------------------
		
		if ( preg_match( "/;/", $IN['1'] ) )
		{
			$attr = explode( ";", $IN['1'] );
			
			$IN['1'] = $attr[0];
		}
		
		$IN['1'] = preg_replace( "/[&\(\)\.\%\[\]<>]/", "", $IN['1'] );
		
		if ($IN['s'] == 'size')
		{
			$IN['1'] = intval($IN['1']) + 7;
			
			if ($IN['1'] > 30)
			{
				$IN['1'] = 30;
			}
			
			return "<span style='font-size:".$IN['1']."pt;line-height:100%'>".$IN['2']."</span>";
		}
		else if ($IN['s'] == 'col')
		{
			$IN[1] = preg_replace( "/[^\d\w\#\s]/s", "", $IN[1] );
			return "<span style='color:".$IN[1]."'>".$IN['2']."</span>";
		}
		else if ($IN['s'] == 'font')
		{
			$IN['1'] = preg_replace( "/[^\d\w\#\-\_\s]/s", "", $IN['1'] );
			return "<span style='font-family:".$IN['1']."'>".$IN['2']."</span>";
		}
	}
	
	/*-------------------------------------------------------------------------*/
	// regex_build_url: Checks, and builds the a href
	// html
	/*-------------------------------------------------------------------------*/
	
	function regex_build_url($url=array())
	{
		$skip_it = 0;
		
		//-----------------------------------------
		// Make sure the last character isn't punctuation..
		// if it is, remove it and add it to the
		// end array
		//-----------------------------------------
		
		if ( preg_match( "/([\.,\?]|&#33;)$/", $url['html'], $match) )
		{
			$url['end'] .= $match[1];
			$url['html'] = preg_replace( "/([\.,\?]|&#33;)$/", "", $url['html'] );
			$url['show'] = preg_replace( "/([\.,\?]|&#33;)$/", "", $url['show'] );
		}
		
		//-----------------------------------------
		// Make sure it's not being used in a
		// closing code/quote/html or sql block
		//-----------------------------------------
		
		if (preg_match( "/\[\/(html|quote|code|sql)/i", $url['html']) )
		{
			return $url['html'];
		}
		
		//-----------------------------------------
		// clean up the ampersands / brackets
		//-----------------------------------------
		
		$url['html'] = str_replace( "&amp;" , "&"   , $url['html'] );
		$url['html'] = str_replace( "["     , "%5b" , $url['html'] );
		$url['html'] = str_replace( "]"     , "%5d" , $url['html'] );
		
		//-----------------------------------------
		// Make sure we don't have a JS link
		//-----------------------------------------
		
		$url['html'] = preg_replace( "/javascript:/i", "java script&#58; ", $url['html'] );
		
		//-----------------------------------------
		// Do we have http:// at the front?
		//-----------------------------------------
		
		if ( ! preg_match("#^(http|news|https|ftp|aim)://#", $url['html'] ) )
		{
			$url['html'] = 'http://'.$url['html'];
		}
		
		//-----------------------------------------
		// Tidy up the viewable URL
		//-----------------------------------------

		if (preg_match( "/^<img src/i", $url['show'] )) $skip_it = 1;

		$url['show'] = preg_replace( "/&amp;/" , "&" , $url['show'] );
		$url['show'] = preg_replace( "/javascript:/i", "javascript&#58; ", $url['show'] );
		
		if ( (strlen($url['show']) -58 ) < 3 )  $skip_it = 1;
		
		//-----------------------------------------
		// Make sure it's a "proper" url
		//-----------------------------------------
		
		if (!preg_match( "/^(http|ftp|https|news):\/\//i", $url['show'] )) $skip_it = 1;
		
		$show     = $url['show'];
		
		if ($skip_it != 1)
		{
			$stripped = preg_replace( "#^(http|ftp|https|news)://(\S+)$#i", "\\2", $url['show'] );
			$uri_type = preg_replace( "#^(http|ftp|https|news)://(\S+)$#i", "\\1", $url['show'] );
			
			$show = $uri_type.'://'.substr( $stripped , 0, 35 ).'...'.substr( $stripped , -15   );
		}
		
		return $url['st'] . "<a href='".$url['html']."' target='_blank'>".$show."</a>" . $url['end'];
		
	}
	
	function regex_bash_session($start_tok, $end_tok)
	{
		//-----------------------------------------
		// Case 1: index.php?s=0000        :: Return nothing (parses: index.php)
		// Case 2: index.php?s=0000&this=1 :: Return ?       (parses: index.php?this=1)
		// Case 3: index.php?this=1&s=0000 :: Return nothing (parses: index.php?this=1)
		// Case 4: index.php?t=1&s=00&y=2  :: Return &       (parses: index.php?t=1&y=2)
		//-----------------------------------------
		
		$start_tok = str_replace( '&amp;', '&', $start_tok );
		$end_tok   = str_replace( '&amp;', '&', $end_tok   );
		
		//1:
		if ($start_tok == '?' and $end_tok == '')
		{
			return "";
		}
		//2:
		else if ($start_tok == '?' and $end_tok == '&')
		{
			return '?';
		}
		//3:
		else if ($start_tok == '&' and $end_tok == '')
		{
			return "";
		}
		else if ($start_tok == '&' and $end_tok == '&')
		{
			return "&";
		}
		else
		{
			return $start_tok.$end_tok;
		}
	
	}
	
	function smilie_length_sort($a, $b)
	{
		if ( strlen($a['typed']) == strlen($b['typed']) )
		{
			return 0;
		}
		return ( strlen($a['typed']) > strlen($b['typed']) ) ? -1 : 1;
	}
	
	
	function word_length_sort($a, $b)
	{
		if ( strlen($a['type']) == strlen($b['type']) )
		{
			return 0;
		}
		return ( strlen($a['type']) > strlen($b['type']) ) ? -1 : 1;
	}
	
}



?>