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Write_File_Info.php
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Write_File_Info.php
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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<!--***************************************************************************
*
* Filename: Write_File_Info.php
*
* Description: An example file showing how a user can write the metadata of an
* image over the internet in the same way that Photoshop
* edits 'File Info' data.
* This script pairs with Edit_File_Info_Example.php, receiving
* and processing the data from the HTML form in that script
*
* Author: Evan Hunter
*
* Date: 17/11/2004
*
* Project: PHP JPEG Metadata Toolkit
*
* Revision: 1.11
*
* Changes: 1.10 -> 1.11 : Changed displayed toolkit version numbers to reference Toolkit_Version.php
* Changed error reporting to no errors
* Removed limitation on file being in current directory
*
* URL: http://electronics.ozhiker.com
*
* Copyright: Copyright Evan Hunter 2004
*
* License: This file is part of the PHP JPEG Metadata Toolkit.
*
* The PHP JPEG Metadata Toolkit is free software; you can
* redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* The PHP JPEG Metadata Toolkit 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 the GNU General Public
* License along with the PHP JPEG Metadata Toolkit; if not,
* write to the Free Software Foundation, Inc., 59 Temple
* Place, Suite 330, Boston, MA 02111-1307 USA
*
* If you require a different license for commercial or other
* purposes, please contact the author: [email protected]
*
***************************************************************************-->
<head>
<meta http-equiv="Content-Style-Type" content="text/css"/>
<style type="text/css" media="screen, print, projection">
<!--
BODY { background-color:#505050; color:#F0F0F0 }
a { color:orange }
.EXIF_Main_Heading { color:red }
.EXIF_Secondary_Heading{ color: orange}
.EXIF_Table { border-collapse: collapse ; border: 1px solid #909000}
.EXIF_Table tbody td{border-width: 1px; border-style:solid; border-color: #909000;}
-->
</style>
<title>Writing Photoshop File Info Metadata</title>
</head>
<body>
<div>
<?php include 'Toolkit_Version.php'; ?>
<p>Powered by: <a href="http://www.ozhiker.com/electronics/pjmt/" >PHP JPEG Metadata Toolkit version <?php echo $GLOBALS['Toolkit_Version'] ?>, Copyright (C) 2004 Evan Hunter</a></p> <!-- Change: displayed toolkit version numbers to reference Toolkit_Version.php - as of version 1.11 -->
<br/>
<br/>
<?php
// Turn off Error Reporting
error_reporting ( 0 ); // Change: changed to no reporting - as of version 1.11
include 'Toolkit_Version.php'; // Change: added as of version 1.11
// Include the required files for reading and writing Photoshop File Info
include 'JPEG.php';
include 'XMP.php';
include 'Photoshop_IRB.php';
include 'EXIF.php';
include 'Photoshop_File_Info.php';
// Copy all of the HTML Posted variables into an array
$new_ps_file_info_array = $GLOBALS['HTTP_POST_VARS'];
// Some characters are escaped with backslashes in HTML Posted variable
// Cycle through each of the HTML Posted variables, and strip out the slashes
foreach( $new_ps_file_info_array as $var_key => $var_val )
{
$new_ps_file_info_array[ $var_key ] = stripslashes( $var_val );
}
// Keywords should be an array - explode it on newline boundarys
$new_ps_file_info_array[ 'keywords' ] = explode( "\n", trim( $new_ps_file_info_array[ 'keywords' ] ) );
// Supplemental Categories should be an array - explode it on newline boundarys
$new_ps_file_info_array[ 'supplementalcategories' ] = explode( "\n", trim( $new_ps_file_info_array[ 'supplementalcategories' ] ) );
// Make the filename easier to access
$filename = $new_ps_file_info_array[ 'filename' ];
// Protect against hackers editing other files
$path_parts = pathinfo( $filename );
if ( strcasecmp( $path_parts["extension"], "jpg" ) != 0 )
{
echo "Incorrect File Type - JPEG Only\n";
exit( );
}
// Change: removed limitation on file being in current directory - as of version 1.11
// Retrieve the header information
$jpeg_header_data = get_jpeg_header_data( $filename );
// Retreive the EXIF, XMP and Photoshop IRB information from
// the existing file, so that it can be updated
$Exif_array = get_EXIF_JPEG( $filename );
$XMP_array = read_XMP_array_from_text( get_XMP_text( $jpeg_header_data ) );
$IRB_array = get_Photoshop_IRB( $jpeg_header_data );
// Update the JPEG header information with the new Photoshop File Info
$jpeg_header_data = put_photoshop_file_info( $jpeg_header_data, $new_ps_file_info_array, $Exif_array, $XMP_array, $IRB_array );
// Check if the Update worked
if ( $jpeg_header_data == FALSE )
{
// Update of file info didn't work - output error message
echo "Error - Failure update Photoshop File Info : $filename <br/>\n";
// Output HTML with the form and data which was
// sent, to allow the user to fix it
$outputfilename = $filename;
include "Edit_File_info.php";
echo "</body>\n";
echo "</html>\n";
// Abort processing
exit( );
}
// Attempt to write the new JPEG file
if ( FALSE == put_jpeg_header_data( $filename, $filename, $jpeg_header_data ) )
{
// Writing of the new file didn't work - output error message
echo "Error - Failure to write new JPEG : $filename <br/>\n";
// Output HTML with the form and data which was
// sent, to allow the user to fix it
$outputfilename = $filename;
include "Edit_File_info.php";
echo "</body>\n";
echo "</html>\n";
// Abort processing
exit( );
}
// Writing of new JPEG succeeded
// Output information about new file
echo "<h1>DONE! - $filename updated</h1>\n";
echo "<p><a href=\"Example.php?jpeg_fname=$filename\" >View Full Metatdata Information</a></p>\n";
echo "<p><a href=\"Edit_File_Info_Example.php?jpeg_fname=$filename\" >Re-Edit Photoshop File Info</a></p>\n";
echo "<br/><br/>\n";
echo "<p>Below is the updated image, you can save it and look at the changed metadata in your favorite image editor</p>\n";
echo "<p><img src=\"$filename\" ></p>\n";
?>
<br/>
<br/>
<br/>
<br/>
<p>Powered by: <a href="http://www.ozhiker.com/electronics/pjmt/" >PHP JPEG Metadata Toolkit version <?php echo $GLOBALS['Toolkit_Version'] ?>, Copyright (C) 2004 Evan Hunter</a></p> <!-- Change: displayed toolkit version numbers to reference Toolkit_Version.php - as of version 1.11 -->
<br/>
<br/>
</div>
</body>
</html>