[Tickets #8612] Re: Download All Attachments (in .zip file) link generates corrupted zip files

[bugs at horde.org]

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Ticket URL: http://bugs.horde.org/ticket/8612
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  Ticket             | 8612
  Updated By         | horde_contact at auchan.com
  Summary            | Download All Attachments (in .zip file) link generates
                     | corrupted zip files
  Queue              | IMP
  Version            | 4.3.4
  Type               | Bug
  State              | Feedback
  Priority           | 1. Low
  Milestone          |
  Patch              |
  Owners             |
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horde_contact at auchan.com (2009-10-01 11:09) wrote:

After lots of debugging, I've found that the 0x0a character is added  
by the PHP header() function:

- If I remove the call to downloadHeaders function in view.php, I have  
no extra character.
- if I replace the call to downloadHeaders with only one header() call  
(content-length one for example), I do have the extra 0x0a character  
before $body.

In any case, the zip file generated by $horde_compress->compress(...)  
is OK (wrote it down to a file, and tested it successfully with zip -T)

What I've done, is setting the content-Length header with  
strlen($body)+1. Thus, I still have an extra character in the  
beginning of the zip file (which does not prevent winzip from openning  
it), but I do not miss the last byte of the zip file.

Does anyone have an Idea of why header() acts like this or should I  
open a bug on PHP bugtracker ?

Anyway, you can close this ticket, as it is not horde/imp related.

Thanks for your help.