Good research, you may be able to make a guess at content type based on
filename extension - a bit risky but would allow people to see PNG files in
their browser.
--
Jody Garnett
On 27 January 2016 at 03:06, Niels Charlier <[email protected]> wrote:
> On 14-01-16 00:01, Robert Coup wrote:
>
>> HEAD /resource/path/to/directory
>> > Last-Modified: <timestamp>
>> > Content-Type: application/x-directory
>>
>> HEAD /resource/path/to/directory/file.png
>> > ETag: <md5 hash>
>> > Content-Length: 12345
>> > Last-Modified: <timestamp>
>> > Content-Type: image/png
>>
>> Rob :)
>>
>
> Some comments on the HEAD proposal.
>
> * Last-modified is not a problem
>
> * Content-type: there is no way to determine the mime-type of a resource.
> There are ways for files, but there is nothing in the resourcestore API
> that makes it possible (other than attempting to derive it from the data
> itself.)
> But for directories, the HTTP header should specify the content-type of
> the content returned, which is XML, HTML or JSON, and not
> application/x-directory.
>
> * Content-length: there is no way to determine the size of a resource
> (except for reading through the whole thing and counting)
>
> So the way I see it, I am setting the datestamp in the header, so HEAD
> would be an alternative method to get last-modified info, but we'd still
> need the metadata operation to get the resource type.
>
> Regards
> Niels
>
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