17 Sep
2011
17 Sep
'11
6:14 p.m.
Hi again,
Now I tried to do this with templates.
I have the following code in a class sheet:
#set($sDoc = $xwiki.getDocument('MediaRating.Test'))
#set($dummy = $sDoc.setContent($doc.getName()))
#set($dummy = $sDoc.saveWithProgrammingRights())
What it should do is this: Each time a page that is based on the template is diplayed the
name of that page is writen to the content of the page 'MediaRating.Test'.
(In the following when I speak of 'creating a page' I always mean 'creating a
page based on a template with the sheet containing the code above'.)
I wrote the class, the sheet etc. all with an admin user. When I first tested with the
same admin user, it worked fine. When I switched to a normal user and displayed the page
that had been created by the admin user it still worked. But when I created a new page
with the normal user I get an error:
Failed to execute the [velocity] macro
The probably most important line in the stack trace:
Caused by: com.xpn.xwiki.XWikiException: Error number 9001 in 9: Access denied with no
programming rights document MediaRating.Test
What is most irritating is this: After switching back to an admin user I get the same
error when creating new pages with this user too. It somehow looks as if the template has
become 'dirty' by being touched from a normal user.
Any hints?
Cheers,
Olaf
________________________________
Von: O Voss <richyfourtythree(a)yahoo.com>
An: XWiki Users <users(a)xwiki.org>
Gesendet: 19:03 Dienstag, 13.September 2011
Betreff: Re: [xwiki-users] polls and rights
Thanks!
I thought I had tried that before, but I must have mixed that test with other things
before. Now it worked indeed in a small hello world test I just did. I'll have to see
if I also manage to get it working in templates and on automatically generated documents.
But you've surely sent me in the right direction!
Cheers,
Olaf
________________________________
Von: Edo Beutler <ebeutler(a)synventis.com>
An: O Voss <richyfourtythree(a)yahoo.com>om>; XWiki Users <users(a)xwiki.org>
Gesendet: 14:01 Montag, 12.September 2011
Betreff: Re: [xwiki-users] polls and rights
Hi,
Unfortunately I never used the polls application, so I don't know what
it does / how it works. However I hope I can point you in the right
direction.
If a document is editable by XWikiGuest (anyone) .... anyone can
change it, so yes, manipulation would be possible. I think what you
are looking for are 'programming' rights. The script saving the vote
needs to be saved from a user with programming rights. The document to
which you attach the poll votes can than be saved using the method
saveWithProgrammingRights() on the Document API. This allows you to
let XWikiGuest users attach objects to a document they are not allowed
to edit.
Hope this helps
Edo
On Sat, Sep 10, 2011 at 12:55 PM, O Voss <richyfourtythree(a)yahoo.com> wrote:
> Hi,
>
> I'm planning to do the following:
>
> Each document based on a certain template autmatically gets it's own standard
poll. (No customisation.) Each user visiting the page can vote.
>
> Having looked at the polls application and played around with templates a bit, I
think I know all the ingredients I will need.
>
> I have one problem though: Anyone who votes needs write permissions on the document
that saves the votes (whereever that may be). If I'm not mistaken that means anyone
who can vote theoretically can manipulate voting data by accessing these objects
directly.
>
> Is there any way to secure this against manipulation
>
> a) from users who can vote?
> b) from the user who created the page?
>
> Probably that question is equivalent to: Is there a way to let users save changes on
an object only via a script while hindering that very same user from editing it directly?
>
> Any hints are greatly appreciated!
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