Hi George,
Thanks for your reply. Do you have open access to any of your content or is it
all restricted? We have a mix which makes running the filter-media etc scripts
interesting.
Ideally the solution would be to set permissions at a collection level for each
of the types of bundles. The item permissions would then inherit from the
collection, or override if policies are set on individual items.. I don't seem
to be able to do that (1.5).
For reference, heres the (cutdown) SQL. This will update all thumbnail
bitstream policies and set them to anonymous. We only had to do it for one
group though. If you want to update intermediates, change THUMBNAIL to
BRANDED_PREVIEW.
update resourcepolicy
set epersongroup_id=0
where policy_id in (
select
rp.policy_id
from
resourcepolicy rp,
bundle2bitstream bb,
bundle b
where
b.name='THUMBNAIL'
and b.bundle_id=bb.bundle_id
and bb.bitstream_id=rp.resource_id
);
cheers,
Steve
On 04/11/2010, at 11:59 PM, George Stanley Kozak wrote:
> Steve:
>
> This is the way that thumbnails have worked for me at my site (we have been
> using DSpace since 2003). It can be frustrating. Your solution is
> interesting. I never thought about going into SQL to update the policies on
> the thumbnail bundles. I am not sure if there are any other solutions.
>
> George Kozak
> Digital Library Specialist
> Cornell University Library Information Technologies (CUL-IT)
> 501 Olin Library
> Cornell University
> Ithaca, NY 14853
> 607-255-8924
>
> -----Original Message-----
> From: Steve Swinsburg [mailto:steve.swinsb...@gmail.com]
> Sent: Wednesday, November 03, 2010 9:39 PM
> To: dspace-tech@lists.sourceforge.net
> Subject: Re: [Dspace-tech] thumbnails restricted if main item is restricted
>
> We've fixed this up with some carefully crafted SQL to update the policies to
> the Anonymous group for the bitstreams in the thumbnail bundles, but it would
> be interesting to know if this is actually how things are meant to work, ie
> inherit the permissions from the parent item when generating the thumbnails.
>
> regards,
> Steve
>
>
> On 04/11/2010, at 10:53 AM, Steve Swinsburg wrote:
>
>> Hi,
>>
>> We have a situation where some items in a collection are restricted, ie you
>> need to login to access the full version. However we want the thumbnails and
>> branded previews to still show up for the general public.
>>
>> When we run the thumbnail generator, it seems to inherit the permissions
>> from the main bitstream, which means if the bitstream is protected, the
>> thumbnail doesn't show up unless you are logged in and have the appropriate
>> permission.
>>
>> Is this a common situation? We've inherited this instance so it might be a
>> change made by people before us, but if anyone has addressed this, it would
>> be great to hear from you.
>>
>> thanks,
>> Steve
>>
>>
>
>
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