[Zope] strange behavior with manage_pasteObjects and proxy scripts

5 Dec 2001

      I have a proxy script which Authenticated people can call.  It runs
as a role that has permissions to do most things, but not completely
like normal Manager roles.  It basically needs to be able to Add
Folders, Delete Objects, Add Properties, etc.  

The script is called "delete" and it's purpose is to remove a folder
from its parent folder.  Prior to actually deleting the object, the
script calls manage_copyObjects on the folder to be deleted, and
then calls manage_pasteObjects in a different context, where I want
to put the folder.  Folder structure is kind of like this:

root
    people
          user1
                events
                deleted_events

          user2
                events
                deleted_events

    tools
          events
                delete

Say user1 is logged in.  What I want is for him to be able to be in
user2's events folder, and delete events from the events folder. 
With the proxied script, he should be able to do this.  Here is a
code snippet that does the copy and the deletes where "userContext"
is the context of user2's folder:

      # Copy the object to deleted_events
      what = userContext.events.manage_copyObjects(ids=[eventId])
      userContext.deleted_events.manage_pasteObjects(what)

      # Delete the event from the user's folder
      userContext.events.manage_delObjects(ids=[eventId])

I think this used to work.  At least I never had complaints about it
not working, until today.  Here's the Zope error message:

  <H2>Site Error</H2>
  <P>An error was encountered while publishing this resource.
  </P>
  <P><STRONG>Unauthorized</STRONG></P>

  Sorry, a site error occurred.<p>
<!--
Traceback (innermost last):
  File
/data/www/Zope.6/src/Zope-2.4.3-src/lib/python/ZPublisher/Publish.py,
line 223, in publish_module
  File
/data/www/Zope.6/src/Zope-2.4.3-src/lib/python/ZPublisher/Publish.py,
line 187, in publish
  File
/data/www/Zope.6/src/Zope-2.4.3-src/lib/python/ZPublisher/Publish.py,
line 171, in publish
  File
/data/www/Zope.6/src/Zope-2.4.3-src/lib/python/ZPublisher/mapply.py,
line 160, in mapply
    (Object: delete)
  File
/data/www/Zope.6/src/Zope-2.4.3-src/lib/python/ZPublisher/Publish.py,
line 112, in call_object
    (Object: delete)
  File
/data/www/Zope.6/src/Zope-2.4.3-src/lib/python/Shared/DC/Scripts/Bindings.py,
line 324, in __call__
    (Object: delete)
  File
/data/www/Zope.6/src/Zope-2.4.3-src/lib/python/Shared/DC/Scripts/Bindings.py,
line 354, in _bindAndExec
    (Object: delete)
  File
/data/www/Zope.6/src/Zope-2.4.3-src/lib/python/Products/PythonScripts/PythonScript.py,
line 363, in _exec
    (Object: delete)
    (Info: ({'script': <PythonScript instance at 8edd9d8>,
'context': <Folder instance at 8d84390>, 'container':
<Folder instance at 8d84390>, 'traverse_subpath': []},
('1007589520SK', 'Confirm'), {}, (None, None)))
  File Script (Python), line 48, in delete
  File
/data/www/Zope.6/src/Zope-2.4.3-src/lib/python/OFS/CopySupport.py,
line 215, in manage_pasteObjects
    (Object: deleted_events)
  File
/data/www/Zope.6/src/Zope-2.4.3-src/lib/python/OFS/CopySupport.py,
line 414, in _verifyObjectPaste
    (Object: deleted_events)
Unauthorized: Add Folders

It's saying that I don't have permission to Add Folders, yet that
script has proxy roles which do allow it to.  Again, I think this
used to work, so there must have been a change and it is either
broken now or was broken before.  manage_delObjects works if I don't
do the copy/pasteObjects prior to it.

Any ideas?  Should I not even be using manage_copy/pasteObjects()?

-Chris

[Zope] strange behavior with manage_pasteObjects and proxy scripts

Christopher N. Deckard