[Summary view] [Print] [Text view]

   1  <?php
   2  #CMS - CMS Made Simple
   3  #(c)2004 by Ted Kulp (wishy@users.sf.net)
   4  #This project's homepage is: http://cmsmadesimple.sf.net
   5  #
   6  #This program is free software; you can redistribute it and/or modify
   7  #it under the terms of the GNU General Public License as published by
   8  #the Free Software Foundation; either version 2 of the License, or
   9  #(at your option) any later version.
  10  #
  11  #This program is distributed in the hope that it will be useful,
  12  #but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  #MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  #GNU General Public License for more details.
  15  #You should have received a copy of the GNU General Public License
  16  #along with this program; if not, write to the Free Software
  17  #Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  18  #
  19  #$Id: stylesheet.php 2657 2006-03-16 01:00:05Z wishy $
  20  
  21  require_once(dirname(__FILE__)."/include.php");
  22  
  23  if(isset($_SERVER['HTTP_USER_AGENT']) && preg_match('/MSIE/', $_SERVER['HTTP_USER_AGENT']))
  24  {
  25      @ini_set( 'zlib.output_compression','Off' );
  26  }
  27  
  28  $templateid = "";
  29  $mediatype = '';
  30  $name = '';
  31  $css = '';
  32  $nostylesheet = false;
  33  $stripbackground = false;
  34  if (isset($_GET["templateid"])) $templateid = $_GET["templateid"];
  35  if (isset($_GET["mediatype"])) $mediatype = $_GET["mediatype"];
  36  if (isset($_GET['name'])) $name = $_GET['name'];
  37  if (isset($_GET["stripbackground"])) $stripbackground = true;
  38  
  39  if ($name != '')
  40  {
  41      //TODO: Make stylesheet handling OOP
  42      global $gCms;
  43      $db =& $gCms->GetDb();
  44      $cssquery = "SELECT css_text FROM ".cms_db_prefix()."css WHERE css_name = ?";
  45      $cssresult = &$db->Execute($cssquery, $name);
  46  
  47      while ($cssresult && !$cssresult->EOF)
  48      {
  49          $css .= "\n".$cssresult->fields['css_text']."\n";
  50          $cssresult->MoveNext();
  51      }
  52  }
  53  else
  54  {
  55      $result = get_stylesheet($templateid, $mediatype);
  56      $css = $result['stylesheet']; 
  57      if (!isset($result['nostylesheet']))
  58      {
  59          #$nostylesheet = true;
  60          #Perform the content stylesheet callback
  61          #if ($nostylesheet == false)
  62          #{
  63              reset($gCms->modules);
  64              while (list($key) = each($gCms->modules))
  65              {
  66                  $value =& $gCms->modules[$key];
  67                  if ($gCms->modules[$key]['installed'] == true &&
  68                      $gCms->modules[$key]['active'] == true)
  69                  {
  70                      $gCms->modules[$key]['object']->ContentStylesheet($css);
  71                  }
  72              }
  73          #}
  74      }
  75  }
  76  
  77  #header("Content-Language: " . $current_language);
  78  header("Content-Type: text/css; charset=" . (isset($result['encoding'])?$result['encoding']:'UTF-8'));
  79  
  80  if ($stripbackground)
  81  {
  82      #$css = preg_replace('/(\w*?background-color.*?\:\w*?).*?(;.*?)/', '', $css);
  83      $css = preg_replace('/(\w*?background-color.*?\:\w*?).*?(;.*?)/', '\\1transparent\\2', $css);
  84      $css = preg_replace('/(\w*?background-image.*?\:\w*?).*?(;.*?)/', '', $css);
  85  }
  86  
  87  #Do cache-control stuff but only if we are running Apache
  88  if(function_exists('getallheaders'))
  89  {
  90      $headers = getallheaders();
  91      $hash = md5($css);
  92  
  93      #if browser sent etag and it is the same then reply with 304
  94      if (isset($headers['If-None-Match']) && $headers['If-None-Match'] == '"'.$hash.'"')
  95      {
  96          header('HTTP/1.1 304 Not Modified');
  97          exit;
  98      }
  99      else {
 100          header('ETag: "'.$hash.'"');
 101          #header("Cache-Control: maxage=".(60*60*24));
 102      }
 103  }
 104  
 105  #sending content length allows HTTP/1.0 persistent connections
 106  #(and also breaks if gzip is on)
 107  //header("Content-Length: ".strlen($css));
 108  
 109  echo $css;
 110  
 111  # vim:ts=4 sw=4 noet
 112  ?>