bug in decoding jpg attachment

I attempted to decode an email with a jpg image attached. When I turned on the option to dump body parts to disk, the jpg image is dumped, but malformed.

Please see the images below:

original image:
img89.imageshack.us/my.php?image=10 ...

decoded image:
img525.imageshack.us/my.php?image=3 ...

Please advise on possible workaround.

G

Can you provide the e-mail message data that you used to pass to the class and if possible the script that you used to call the class?

Since the email attachment is about 205k, the email text file is rather large. So, I hosted it here:

divshare.com/download/5850989-bf3

The code for the script I executed to process the email is:

<?php
/*
* test_message_decoder.php
*
* @(#) $Header: /home/mlemos/cvsroot/mimeparser/test_message_decoder.php,v 1.7 2008/01/08 02:02:32 mlemos Exp $
*
*/

include_once("dBug.php");

require_once('rfc822_addresses.php');
require_once('mime_parser.php');

$message_file=((IsSet($_SERVER['argv']) && count($_SERVER['argv'])>1) ? $_SERVER['argv'][1] : 'email.txt');
$mime=new mime_parser_class;

/*
* Set to 0 for parsing a single message file
* Set to 1 for parsing multiple messages in a single file in the mbox format
*/
$mime->mbox = 1;

/*
* Set to 0 for not decoding the message bodies
*/
$mime->decode_bodies = 1;

/*
* Set to 0 to make syntax errors make the decoding fail
*/
$mime->ignore_syntax_errors = 0;

$parameters=array(
'File'=>$message_file,

/* Read a message from a string instead of a file */
/* 'Data'=>'My message data string', */

/* Save the message body parts to a directory */
'SaveBody'=>'./dump/',

/* Do not retrieve or save message body parts */
'SkipBody'=>1,
);

/*
* The following lines are for testing purposes.
* Remove these lines when adapting this example to real applications.
*/
if(defined('__TEST'))
{
if(IsSet($__test_options['parameters']))
$parameters=$__test_options['parameters'];
if(IsSet($__test_options['mbox']))
$mime->mbox=$__test_options['mbox'];
if(IsSet($__test_options['decode_bodies']))
$mime->decode_bodies=$__test_options['decode_bodies'];
}

if(!$mime->Decode($parameters, $decoded))
echo 'MIME message decoding error: '.$mime->error.' at position '.$mime->error_position."\n";
else
{
echo 'MIME message decoding successful.'."\n";
echo (count($decoded)==1 ? '1 message was found.' : count($decoded).' messages were found.'),"\n";
for($message = 0; $message < count($decoded); $message++)
{
echo 'Message ',($message+1),':',"\n";
new dBug($decoded[$message]);
if($mime->Analyze($decoded[$message], $results)) {
echo "<br><br><br>";
new dBug($results);
}
else
echo 'MIME message analyse error: '.$mime->error."\n";
}
for($warning = 0, Reset($mime->warnings); $warning < count($mime->warnings); Next($mime->warnings), $warning++)
{
$w = Key($mime->warnings);
echo 'Warning: ', $mime->warnings[$w], ' at position ', $w, "\n";
}
}
?>

I also used pop3.stream.php to fetch the email from the IMAP server. Perhaps the error lays in how I pulled it down from there?

I tried to open the image in the message in Thunderbird and it also appears to corrupted. I suppose the problem is with the program that sends the message or some gateway by which the message passed until it arrived.