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Opened 14 years ago

Closed 14 years ago

Last modified 2 years ago

#9392 closed defect (worksforme)

workflow multi-permissions work incorrect

Reported by: airsnake78@… Owned by:
Priority: normal Milestone:
Component: ticket system Version: 0.12dev
Severity: normal Keywords:
Cc: Eli Carter Branch:
Release Notes:
API Changes:
Internal Changes:

Description

I using default workflow handler: ConfigurableTicketWorkflow, and I setting 2 permissions for some actions, like:

accept = assigned -> accepted
accept.operations = set_owner_to_self
accept.permissions = TICKET_MODIFY,MY_CUSTOM_ACTION

I think the user who has both TICKET_MODIFY and MY_CUSTOM_ACTION permissions can take action 'accept', but it's not. And I read the code, I found it's not 'AND' for multi-permissions, but 'OR':

    def _is_action_allowed(self, ticket_perm, required_perms):
        if not required_perms:
            return True
        for permission in required_perms:
            if permission in ticket_perm:
                return True
        return False

Is it a bug? or you design that: if the user just has one of 'accept.permissions', he can do the action 'accept'?

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Change History (5)

comment:1 by Remy Blank, 14 years ago

Cc: Eli Carter added

I'm pretty sure this is by design. Eli?

in reply to:  1 comment:2 by Eli Carter, 14 years ago

Replying to rblank:

I'm pretty sure this is by design. Eli?

Correct. I had to pick either AND or OR to avoid having to implement something to parse logical expressions with AND, OR, NOT, XOR, NOR, NAND, parens, etc. I picked OR.

Use sample-plugins/permissions/extrapermissionsprovider.py to create a permission and grant that to only those who should have the ability to take that action.

comment:3 by Christian Boos, 14 years ago

See ExtraPermissionsProvider (since Trac 0.12; the sample plugin mentioned above should be used for 0.11).

Last edited 14 years ago by Christian Boos (previous) (diff)

comment:4 by Christian Boos, 14 years ago

Resolution: worksforme
Status: newclosed

comment:5 by airsnake78@…, 14 years ago

Thank you for telling me the design :) And I think it should be mentioned in the document TracWorkflow .

I have tried ExtraPermissionsProvider for a custom permission, but I still have to use two permissions sometimes. For example, I use TICKET_IS_OWNER from VirtualTicketPermissionsPlugin and my custom permission USER_DEVELOPER, to allow the user who has USER_DEVELOPER permission and is the owner of the ticket to do the action 'accept'. I think it is good for this situation if the permissions is AND logic. (easy to combine two(or more) plugins)

My solution is creating a plugin to make a new class ConfigurableTicketWorkflowHack(inherites original ConfigurableTicketWorkflow) which modified to AND logic from OR logic.

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