Peter, Thanks for your reply. So you are telling me if I want to assign write privilege to a folder, I will have to assign read privileges to all its upstream folders to make that write privilege work, is it correct? But this brings another problem, if I assign the read privileges on those upstream folders using webdav client, I found those read privileges are assigned with "inheritable=true", it's hard coded in the source NodePermission np = new NodePermission(objectUri, subjectUri, actionUri, true, negative); I don't have a chance to grant a non-inheritable read privilege to those upstream folders. So this means if I want to grant user a write privilege on some folder, then the whole slide document repository will become readable by this user (because all the folders will have inherited read privilege). Is this true? Or I have some misunderstanding there? Thanks for the help. regards, Jun
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