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Bug #23878 gzencode encodes invalid data only if you use variables
Submitted: 2003-05-29 17:54 UTC Modified: 2003-06-04 12:27 UTC
From: avaurus at schipplock dot de Assigned:
Status: No Feedback Package: Zlib related
PHP Version: 4.3.2 OS: Windows 2000
Private report: No CVE-ID: None
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 [2003-05-29 17:54 UTC] avaurus at schipplock dot de 
<?php

# look at this : 
  	# -----------------
  	# try to use just strings instead of variables -> will work :>
  	# try to use variables instead of just strings -> will NOT work :/
  	# -----------------
  	# it is really a mess with some functions of php under windows
  	$fontfile = str_rot13($id);
  	$gzfilename = str_replace(".ttf","",$fontfile);
  	
  	header("Content-Disposition: attachment; filename=\"$gzfilename.gz\"");
	header("Content-type: application/x-gzip");

    $data = implode("", file("fonts/".$fontfile));
    $gzdata = gzencode($data, 9);
    $fp = fopen("fonts/".$gzfilename.".gz", "w");
    fwrite($fp, $gzdata);
    fclose($fp);
    
	readfile("fonts/".$gzfilename.".gz");
?>

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 [2003-05-30 01:54 UTC] derick@php.net 
Not enough information was provided for us to be able
to handle this bug. Please re-read the instructions at
http://bugs.php.net/how-to-report.php

If you can provide more information, feel free to add it
to this bug and change the status back to "Open".

Thank you for your interest in PHP.
 [2003-06-04 00:26 UTC] sniper@php.net 
No feedback was provided. The bug is being suspended because
we assume that you are no longer experiencing the problem.
If this is not the case and you are able to provide the
information that was requested earlier, please do so and
change the status of the bug back to "Open". Thank you.
 [2003-06-04 12:27 UTC] moriyoshi@php.net 
You are most likely using file() function to retrieve binary files.

What if replacing  

$data = implode("", file("fonts/".$fontfile))

by

$data = file_get_contents("fonts/".$fontfile);

??
 
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