Rails object based permission/authorization engine?

Posted by Vlad on Stack Overflow See other posts from Stack Overflow or by Vlad
Published on 2010-03-17T16:21:57Z Indexed on 2010/03/19 6:41 UTC
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ruby-on-rails

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authorization

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permissions

Hi

I want to add "Sharing documents" feature to my app, like in google documents service. As i see:

User can:

can list/view/create/edit/delete own documents
share own document to everyone - its a public document
share own document to another user with read-only access
share own document to another user with read-write access
view list of own documents and users to whom he gave permission to read and write
view list of foreign documents
view/edit foreign document with read/write permissions

Please tell me, which permission/authorization solution is preffered for my task?

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