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index_image_dfsmysql.php
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index_image_dfsmysql.php
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<?php
// ## BEGIN COPYRIGHT, LICENSE AND WARRANTY NOTICE ##
// SOFTWARE NAME: eZ Publish
// SOFTWARE RELEASE: 4.1.x
// COPYRIGHT NOTICE: Copyright (C) 1999-2010 eZ Systems AS
// SOFTWARE LICENSE: GNU General Public License v2.0
// NOTICE: >
// This program is free software; you can redistribute it and/or
// modify it under the terms of version 2.0 of the GNU General
// Public License as published by the Free Software Foundation.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of version 2.0 of the GNU General
// Public License along with this program; if not, write to the Free
// Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
// MA 02110-1301, USA.
//
//
// ## END COPYRIGHT, LICENSE AND WARRANTY NOTICE ##
//
define( 'TABLE_METADATA', 'ezdfsfile' );
function _die( $value )
{
header( $_SERVER['SERVER_PROTOCOL'] . " 500 Internal Server Error" );
die( $value );
}
// Storage database connection string
if ( defined( 'STORAGE_SOCKET' ) && STORAGE_SOCKET !== false )
$serverString = STORAGE_SOCKET;
elseif ( defined( 'STORAGE_PORT' ) )
$serverString = STORAGE_HOST . ':' . STORAGE_PORT;
else
$serverString = STORAGE_HOST;
$maxTries = 3;
$tries = 0;
while ( $tries < $maxTries )
{
if ( $db = mysql_connect( $serverString, STORAGE_USER, STORAGE_PASS, true ) )
break;
++$tries;
}
if ( $tries > $maxTries )
{
_die( "Unable to connect to database server.\n" );
}
if ( !$db )
_die( "Unable to connect to storage server: " . mysql_error( $db ) );
if ( !mysql_select_db( STORAGE_DB, $db ) )
_die( "Unable to select database " . STORAGE_DB . ".\n" );
if ( !$res = mysql_query( "SET NAMES '" . ( defined( 'STORAGE_CHARSET' ) ? STORAGE_CHARSET : 'utf8' ) . "'", $db ) )
_die( "Failed to set character set.\n" );
$filename = ltrim( $_SERVER['REQUEST_URI'], '/');
if ( ( $queryPos = strpos( $filename, '?' ) ) !== false )
$filename = substr( $filename, 0, $queryPos );
// Fetch file metadata.
$filePathHash = md5( $filename );
$sql = "SELECT * FROM " . TABLE_METADATA . " WHERE name_hash=('$filePathHash')" ;
if ( !$res = mysql_query( $sql, $db ) )
_die( "Failed to retrieve file metadata\n" );
if ( !( $metaData = mysql_fetch_assoc( $res ) ) ||
$metaData['mtime'] < 0 )
{
header( $_SERVER['SERVER_PROTOCOL'] . " 404 Not Found" );
?>
<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
<HTML><HEAD>
<TITLE>404 Not Found</TITLE>
</HEAD><BODY>
<H1>Not Found</H1>
The requested URL <?php echo htmlspecialchars( $filename ); ?> was not found on this server.<P>
</BODY></HTML>
<?php
mysql_close( $db );
exit( 1 );
}
mysql_free_result( $res );
// Fetch file data.
$dfsFilePath = MOUNT_POINT_PATH . '/' . $filename;
// Set cache time out to 100 minutes by default
$expiry = defined( 'EXPIRY_TIMEOUT' ) ? EXPIRY_TIMEOUT : 6000;
if ( file_exists( $dfsFilePath ) )
{
// Output HTTP headers.
$path = $metaData['name'];
$size = $metaData['size'];
$mimeType = $metaData['datatype'];
$mtime = $metaData['mtime'];
$mdate = gmdate( 'D, d M Y H:i:s', $mtime ) . ' GMT';
header( "Content-Length: $size" );
header( "Content-Type: $mimeType" );
header( "Last-Modified: $mdate" );
header( "Expires: " . gmdate('D, d M Y H:i:s', time() + $expiry) . ' GMT' );
header( "Connection: close" );
header( "X-Powered-By: eZ Publish" );
header( "Accept-Ranges: none" );
header( 'Served-by: ' . $_SERVER["SERVER_NAME"] );
// Output image data.
$fp = fopen( $dfsFilePath, 'r' );
fpassthru( $fp );
fclose( $fp );
}
?>