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From Dave Fisher <>
Subject Re: Extension downloading problem
Date Fri, 24 Aug 2012 15:18:34 GMT

On Aug 24, 2012, at 8:00 AM, Dave Fisher wrote:

> On Aug 24, 2012, at 7:48 AM, Keith N. McKenna wrote:
>> Rory O'Farrell wrote:
>>> On Fri, 24 Aug 2012 15:17:57 +0100
>>> Rory O'Farrell <> wrote:
>>>> On Fri, 24 Aug 2012 16:12:58 +0200
>>>> Joost Andrae <> wrote:
>>>>> Hi,
>>>>> I just checked the Writer2Epub v1.1.7 extension on the extension site.
>>>>> The extension downloads correctly with oxt file extension.
>>>>> It is correct that from technical view an oxt file is a zip archive
>>>>> containing all content needed to install as an extension into Apache
>>>>> OpenOffice.
>>>>> Am 24.08.2012 15:00, schrieb Rory O'Farrell:
>>>>>> On the en-Forum I have seen a number of reports of downloading problems.
 Today there was this report
>>>>>> " I tried to download and install the ePub 1.1.17 extension. A zip
file filled with various folders containing all kinds of files is downloaded. Nothing that
looks like an installer. How do I install this extension? When a program is offered to me
in the shape of a zip file full of different files, I never know what to do with it, to be
>>>>>> I suggested this might be a browser problem, as some browsers (definitely
IE in some versions, there may be others) rename the OpenOffice extensions silently to type
>>>>>> The user renamed the .zip to .oxt and it installed correctly.  He
then send me the following additional comment
>>>>>> "Thanks! I download the Dutch Spelling Checker and it also arrived
in the shape of a zip file. Now I've renamed them both and they both snapped into being .oxt
files. Perhaps this trick should be mentioned on the Extensions "Introductory Page"? It must
be a problem for many users."
>>>>>> I have asked what browser he is using and will post that detail when
available.  But in the meantime I think his suggestion of a mention of this problem on the
Extensions page is valid and worthwhile.
>>>>> Kind regards, Joost
>>>> I am certain the download page is correct as to the extension.  The change
to zip seems to depend on the browser in use.  I know that some earlier version of IE did
this, without notification. When I get further information I'll post it to this thread.  Most
of the active members of this list will use a browser of choice rather than a default browser,
and will also update it, so won't be aware of this problem with some older browser.
>>>> --
>>>> Rory O'Farrell <>
>>> I understand that this problem comes from IE8.
>> I just tried using ie8 to download Writer2epub along with a random sample of other
extensions. I can confirm that it does indeed change the extension to zip. I second Rory's
suggestion that a notice be put on the page to that effect along with instructions to rename
it to .oxt after download.
> Has anyone inspected the MIME Type returned? If it is not a proper one for OXT then it
is possible that IE8 is doing detection of the type.

I did the following:

$ curl -D header > writer2epub.oxt

Here is the header:

$ more header
HTTP/1.1 200 OK
Server: nginx/1.0.14
Date: Fri, 24 Aug 2012 15:15:24 GMT
Content-Type: application/octet-stream
Connection: keep-alive
content-length: 1372152
x-robots-tag: noindex,nofollow
accept-ranges: bytes
etag: 4363n
pragma: public
cache-control: max-age=0

So, IE8 for these users is set to ignore the file extensions and guess the file type for the
general type: application/octet-stream


> Regards,
> Dave
>> Regards
>> Keith

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