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[EP-tech] Antwort: Access user via javascript?

The issue doesn?t seem so much one of security (the standard access control on eprints will still stop unauthorised users from accessing staff only areas) but rather one of hiding the buttons from those who don?t require them in the pre-built static abstract pages rather than the workflow.  This means that you either have to rebuild the pages every time they are requested, which is heavy on the server, especially once there are 5 or 6 spiders farming your site, or you use some javascript/jquery to hide or not hide the repository admin access buttons as appropriate.

It was I who suggested that idea to Andrew on the user group list, with the belief that some aspect of the user profile was available in JS.  Assuming I was wrong on that front, would the best way to get that detail dynamically be an ajax call to a cgi function to return whether or not the user was an admin and, if not, hide the buttons (possibly requiring a surrounding ?div? or some such on the elements to be hidden).  That way the worst that happens if the script fails or JS is disabled is that the buttons are still visible, as they are currently?

Any thoughts folks?

From: eprints-tech-bounces at ecs.soton.ac.uk [mailto:eprints-tech-bounces at ecs.soton.ac.uk] On Behalf Of martin.braendle at id.uzh.ch
Sent: 04 March 2016 09:08
To: eprints-tech at ecs.soton.ac.uk
Subject: [EP-tech] Antwort: Access user via javascript?


from a point of view of security, I don't think that JavaScript is a good way, since it can be turned off or changed browser side.

There is the undocument variable $STAFF_ONLY that can be used in EPScript und EPrints Control Format (EPC).

<epc:if test="$STAFF_ONLY = 'TRUE'">display something here</epc:if>

It is mentioned in http://wiki.eprints.org/w/How_to_control_eprint_workflow_based_on_a_user_field (in the workflow description at the bottom), but not explained there.

In my opinion, that variable (and possible other system variables) should be documented in


Best regards,


Dr. Martin Br?ndle
Zentrale Informatik
Universit?t Z?rich
Stampfenbachstr. 73
CH-8006 Z?rich

[Inactive hide details for Andrew Collington ---01/03/2016 14:16:18---Hi all, Is there something set up in ePrints that allows y]Andrew Collington ---01/03/2016 14:16:18---Hi all, Is there something set up in ePrints that allows you to get user details (such as type/role,

Von: Andrew Collington <a.p.collington at sussex.ac.uk<mailto:a.p.collington at sussex.ac.uk>>
An: "eprints-tech at ecs.soton.ac.uk<mailto:eprints-tech at ecs.soton.ac.uk>" <eprints-tech at ecs.soton.ac.uk<mailto:eprints-tech at ecs.soton.ac.uk>>
Datum: 01/03/2016 14:16
Betreff: [EP-tech] Access user via javascript?
Gesendet von: eprints-tech-bounces at ecs.soton.ac.uk<mailto:eprints-tech-bounces at ecs.soton.ac.uk>


Hi all,

Is there something set up in ePrints that allows you to get user details (such as type/role, email, etc.) via javascript?  I did have a look through the auto.js file but didn?t see anything, though given the size of that file it?d be very easy for me to miss something obvious!

The reason I ask is that I want to show a section in the abstract details only to admins (which is currently set up in cfg/citations/eprint/control.xml).  I originally tried to modify that section, but with the caching it obviously didn?t work.  I then tried to use a pin but had the same problems.  Someone responded to my original EPrints UK User Group post (https://groups.google.com/forum/#!topic/eprints-uk-user-group/LloconUdLDg) suggesting that js may be a good way forward.

If there?s not something already available then I could update the main template to include a json object of the user details which I can then use later on in the page.  But hopefully someone else has already tried to add/show content dynamically based on role (or any other user property, I imagine) and can give some advice.

Many thanks,


Andrew Collington
Web Programmer, ITS Client Services
ITS-CS Shawcross, University of Sussex, Falmer, Brighton, BN1 9QT

T: (01273) 872591 (ext. 2591)
E: a.p.collington at sussex.ac.uk<mailto:a.p.collington at sussex.ac.uk>
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