WEB - Услуги

<?php
/**
* This file is used to send gzipped Javascripts and Stylesheets to the browser
* 
* It expects three parameters:
* 
* gzip (can be 1 or 0, for yes or no; default: 0)
* subdir[INDEX] (relative directory from /components/com_virtuemart/js)
* file[INDEX] (filename only)
* where INDEX is the actual number of the file to be included, so you can include multiple scripts at a time
* 
* @version $Id: fetchscript.php 1367 2008-04-10 19:30:20Z soeren_nb $
* @package VirtueMart
* @subpackage core
* @copyright Copyright (C) 2006-2007 soeren - All rights reserved.
* @license http://www.gnu.org/copyleft/gpl.html GNU/GPL, see LICENSE.php
* VirtueMart is free software. This version may have been modified pursuant
* to the GNU General Public License, and as distributed it includes or
* is derivative of works licensed under the GNU General Public License or
* other free or open source software licenses.
* See /administrator/components/com_virtuemart/COPYRIGHT.php for copyright notices and details.
*
* http://virtuemart.net
*/

/**
 * Initialise GZIP
 * @author Mambo / Joomla Project
 */
function initGzip() {
   global $do_gzip_compress;
   
   $gzip = isset( $_GET['gzip'] ) ? (boolean)$_GET['gzip'] : false;
   
   $do_gzip_compress = FALSE;
   if ($gzip) {
      $phpver    = phpversion();
      $useragent    = isset( $_SERVER['HTTP_USER_AGENT'] ) ? $_SERVER['HTTP_USER_AGENT'] : '';
      $canZip    = isset( $_SERVER['HTTP_ACCEPT_ENCODING'] ) ? $_SERVER['HTTP_ACCEPT_ENCODING'] : '';
      
      $gzip_check    = 0;
      $zlib_check    = 0;
      $gz_check      = 0;
      $zlibO_check   = 0;
      $sid_check      = 0;
      if ( strpos( $canZip, 'gzip' ) !== false) {
         $gzip_check = 1;
      }      
      if ( extension_loaded( 'zlib' ) ) {
         $zlib_check = 1;
      }      
      if ( function_exists('ob_gzhandler') ) {
         $gz_check = 1;
      }
      if ( ini_get('zlib.output_compression') ) {
         $zlibO_check = 1;
      }

      if ( $phpver >= '4.0.4pl1' && ( strpos($useragent,'compatible') !== false || strpos($useragent,'Gecko')   !== false ) ) {
         // Check for gzip header or norton internet securities
         if ( ( $gzip_check || isset( $_SERVER['---------------']) ) && $zlib_check && $gz_check && !$zlibO_check ) {
            // You cannot specify additional output handlers if
            // zlib.output_compression is activated here
            ob_start( 'ob_gzhandler' );
            
            return;
         }
      } else if ( $phpver > '4.0' ) {
         if ( $gzip_check ) {
            
            if ( $zlib_check ) {
               $do_gzip_compress = TRUE;
               ob_start();
               ob_implicit_flush(0);
               
               header( 'Content-Encoding: gzip' );
               return;
            }
         }
      }
   }
   ob_start();
}

/**
* Perform GZIP
* @author Mambo / Joomla! project
*/
function doGzip() {
   global $do_gzip_compress;
   if ( $do_gzip_compress ) {
      /**
      *Borrowed from php.net!
      */
      $gzip_contents = ob_get_contents();
      ob_end_clean();

      $gzip_size = strlen($gzip_contents);
      $gzip_crc = crc32($gzip_contents);

      $gzip_contents = gzcompress($gzip_contents, 9);
      $gzip_contents = substr($gzip_contents, 0, strlen($gzip_contents) - 4);

      echo "\x1f\x8b\x08\x00\x00\x00\x00\x00";
      echo $gzip_contents;
      echo pack('V', $gzip_crc);
      echo pack('V', $gzip_size);
   } else {
      ob_end_flush();
   }
}
function cssUrl( $ref, $subdir ) {
   $ref = str_replace( "'", '', stripslashes( trim($ref) ));
   $ref = str_replace( '"', '', $ref);
   if( $subdir[0] == '/' ) {
      $subdir = substr( $subdir, 1 );
   }
   return 'url( "'. $subdir.'/'.$ref.'" )';
}
/**
 * Checks and sets HTTP headers for conditional HTTP requests
 * Borrowed from DokuWiki (/lib/exe/fetch.php)
 * @author Simon Willison <swillison@gmail.com>
 * @link   http://simon.incutio.com/archive/2003/04/23/conditionalGet
 */
function http_conditionalRequest($timestamp){
    // A PHP implementation of conditional get, see 
    //   http://fishbowl.pastiche.org/archives/001132.html
    $last_modified = gmdate( 'D, d M Y H:i:s', $timestamp ) . ' GMT';
    $etag = '"'.md5($last_modified).'"';
    // Send the headers
    header("Last-Modified: $last_modified");
    header("ETag: $etag");
    // See if the client has provided the required headers
    $if_modified_since = isset($_SERVER['HTTP_IF_MODIFIED_SINCE']) ?
        stripslashes($_SERVER['HTTP_IF_MODIFIED_SINCE']) :
        false;
    $if_none_match = isset($_SERVER['HTTP_IF_NONE_MATCH']) ?
        stripslashes($_SERVER['HTTP_IF_NONE_MATCH']) : 
        false;
    if (!$if_modified_since && !$if_none_match) {
        return;
    }
    // At least one of the headers is there - check them
    if ($if_none_match && $if_none_match != $etag) {
        return; // etag is there but doesn't match
    }
    if ($if_modified_since && $if_modified_since != $last_modified) {
        return; // if-modified-since is there but doesn't match
    }
    // Nothing has changed since their last request - serve a 304 and exit
    header('HTTP/1.0 304 Not Modified');
    exit;
}

initGzip();

$base_dir = dirname( __FILE__ );
$subdirs = @$_GET['subdir'];
if( !is_array( $subdirs ) && !empty( $subdirs )) {
   $subdirs = array( $subdirs );
}

$files = @$_GET['file'];
if( !is_array( $files ) && !empty( $files )) {
   $files = array( $files );
}
if( empty( $files ) || sizeof($files) != sizeof( $subdirs )) {
   header("HTTP/1.0 400 Bad Request");
     echo 'Bad request';
     exit;
}
$countFiles = sizeof($files);
$newest_mdate = 0;

for( $i = 0; $i < $countFiles; $i++ ) {
   $file = $files[$i];
   $subdir = $subdirs[$i];
   
   $dir = realpath( $base_dir . '/' .  $subdir );
   $file = $dir . '/' . basename( $file );
   
   if( !file_exists( $file ) || !stristr( $dir, $base_dir )) {
      if( $countFiles == 1 ) {
          header("HTTP/1.0 404 Not Found");
          echo 'Not Found';
          exit;
      }
      continue;
   }
   $newest_mdate = max( filemtime( $file ), $newest_mdate );
}

// This function quits the page load if the browser has a cached version of the requested script.
// It then returns a 304 Not Modified header
http_conditionalRequest( $newest_mdate );

// here we need to send the script or stylesheet
$processed_files = 0;
for( $i = 0; $i < $countFiles; $i++ ) {
   $file = $files[$i];
   $subdir = $subdirs[$i];
   
   $dir = realpath( $base_dir . '/' .  $subdir );
   $file = $dir . '/' . basename( $file );
   if( !file_exists( $file ) || !stristr( $dir, $base_dir ) || !is_readable( $file )) {
      continue;
   }
   $processed_files++;
   $fileinfo = pathinfo( $file );
   switch ( $fileinfo['extension']) {
      case 'css': 
         $mime_type = 'text/css'; 
         header( 'Content-Type: '.$mime_type.';');
         $css = implode( '', file( $file ));
         
         $str_css =   preg_replace("/url\((.+?)\)/ie","cssUrl('\\1', '$subdir')", $css);
         echo $str_css;
         
         break;
         
      case 'js': 
         $mime_type = 'text/javascript'; 
         header( 'Content-Type: '.$mime_type.';');
         
         readfile( $file );
         
         break;
         
      default: 
         continue;
      
   }
}
if( $processed_files == 0 ) {
   if( !file_exists( $file ) ) {
       header("HTTP/1.0 404 Not Found");
       echo 'Not Found';
       exit;
   }
   if( !is_readable( $file ) ) {
       header("HTTP/1.0 500 Internal Server Error");
       echo "Could not read ".basename($file)." - bad permissions?";
        exit;
   }
}
// Tell the user agent to cache this script/stylesheet for a week
$age = 604800;
header( 'Expires: '.gmdate( 'D, d M Y H:i:s', time()+ $age ) . ' GMT' );
header( 'Last-Modified: ' . gmdate( 'D, d M Y H:i:s', @filemtime( $file ) ) . ' GMT' );
header( 'Cache-Control: public, max-age='.$age.', must-revalidate, post-check=0, pre-check=0' );
header( 'Pragma: public' );

doGzip();

exit;

?>

##
# @version $Id: htaccess.txt 14401 2010-01-26 14:10:00Z louis $
# @package Joomla
# @copyright Copyright (C) 2005 - 2010 Open Source Matters. All rights reserved.
# @license http://www.gnu.org/copyleft/gpl.html GNU/GPL
# Joomla! is Free Software
##


#####################################################
#  READ THIS COMPLETELY IF YOU CHOOSE TO USE THIS FILE
#
# The line just below this section: 'Options +FollowSymLinks' may cause problems
# with some server configurations.  It is required for use of mod_rewrite, but may already
# be set by your server administrator in a way that dissallows changing it in
# your .htaccess file.  If using it causes your server to error out, comment it out (add # to
# beginning of line), reload your site in your browser and test your sef url's.  If they work,
# it has been set by your server administrator and you do not need it set here.
#
#####################################################

##  Can be commented out if causes errors, see notes above.
Options +FollowSymLinks

#
#  mod_rewrite in use

RewriteEngine On

########## Begin - Rewrite rules to block out some common exploits
## If you experience problems on your site block out the operations listed below
## This attempts to block the most common type of exploit `attempts` to Joomla!
#
## Deny access to extension xml files (uncomment out to activate)
#<Files ~ "\.xml$">
#Order allow,deny
#Deny from all
#Satisfy all
#</Files>
## End of deny access to extension xml files
RewriteCond %{QUERY_STRING} mosConfig_[a-zA-Z_]{1,21}(=|\%3D) [OR]
# Block out any script trying to base64_encode crap to send via URL
RewriteCond %{QUERY_STRING} base64_encode.*\(.*\) [OR]
# Block out any script that includes a <script> tag in URL
RewriteCond %{QUERY_STRING} (\<|%3C).*script.*(\>|%3E) [NC,OR]
# Block out any script trying to set a PHP GLOBALS variable via URL
RewriteCond %{QUERY_STRING} GLOBALS(=|\[|\%[0-9A-Z]{0,2}) [OR]
# Block out any script trying to modify a _REQUEST variable via URL
RewriteCond %{QUERY_STRING} _REQUEST(=|\[|\%[0-9A-Z]{0,2})
# Send all blocked request to homepage with 403 Forbidden error!
RewriteRule ^(.*)$ index.php [F,L]
#
########## End - Rewrite rules to block out some common exploits

#  Uncomment following line if your webserver's URL
#  is not directly related to physical file paths.
#  Update Your Joomla! Directory (just / for root)

# RewriteBase /


########## Begin - Joomla! core SEF Section
#
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_URI} !^/index.php
RewriteCond %{REQUEST_URI} (/|\.php|\.html|\.htm|\.feed|\.pdf|\.raw|/[^.]*)$  [NC]
RewriteRule (.*) index.php
RewriteRule .* - [E=HTTP_AUTHORIZATION:%{HTTP:Authorization},L]
#
########## End - Joomla! core SEF Section