Hi,

On Feb 23, 2009, at 11:15 PM, Yishay Mor wrote:

>>>> This has happened a few times on
>>>>> http://patternlanguagenetwork.myxwiki.org/,  and I can't explain  
>>>>> it.
>>>>> I set the access rights to allow view by all, but edit is  
>>>>> restricted.
>> I'm
>>>>> seeing documents rolled back to older versions by XWikiGuest.  
>>>>> Example:
>>>>>
>>>>
>> http://patternlanguagenetwork.myxwiki.org/xwiki/bin/view/Patterns/tabletopconceptmapping
>>>>
>>>> On this document the guest has been granted edit rights. Look at  
>>>> the
>>>> rights editing for it, and select Users, and you will see that
>>>> Unregistered Users has set view, comment and edit.
>>
>> I still see edit selected... And as a guest I can indeed edit the
>> document. Just to make sure we're on the same page, I'm looking at
>>
>> http://patternlanguagenetwork.myxwiki.org/xwiki/bin/edit/Patterns/tabletopconceptmapping?editor=rights
>>
>
> This is really puzzling. I don't understand how the guest user has  
> obtained
> edit rights on some objects and not on others. Just to be on the  
> safe side,
> I ran the script below:
>
> #set ($hql = ", BaseObject as obj where obj.name=doc.fullName and
> obj.className='Patterns.PatternClass' and obj.name
> <>'Patterns.PatternClassTemplate'")
> #set ($items= $xwiki.searchDocuments($hql))
> #foreach ($item in $items)
> * $item
>  #set ($itemDoc = $xwiki.getDocument($item))
>  #set ($rights = $itemDoc.getObject("XWiki.XWikiRights", true))
>  #set ($result = $rights.set("levels", "edit"))
>  #set ($result = $rights.set("users", "XWiki.XWikiGuest"))
>  #set ($result = $rights.set("allow", 0))
> #end

I don't think this is correct since you're not saving the  
modifications... They'll be in the cache when but they go out of the  
cache you'll have lost your changes.

See http://code.xwiki.org/xwiki/bin/view/Snippets/SettingRightsSnippet

-Vincent

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