I'd like to ask you how to grant a role to an istance of a "User" object.
Maybe my code has major errors, but I am still a newbie and I am using
Zope3 for my thesis.
In my application, when a User is created/deleted, I create/delete a
Principal into/from the Principal Folder.
It is not a sign-up scenario, the Users are created/deleted by a
logged Principal with the "Administrator" role, who creates the
account for the Users and picks a Role for them from the "Role Ids"
An adapter is subscribed to (IUser, IObjectAdde/DeleteEvent); it
extracts login, password and title (title is a sort of unique key that
matches Principal and User) from the user to accomplish its task.
My idea is that, when the visitor types his login and password and he
is authenticated, he is automatically granted the Role assigned during
the account creation.
Here is the code responsible to granting the Role to the User
@adapter( IUser, IObjectAddedEvent )
def f( user, event):
principal = InternalPrincipal( login=user.login,
password=user.password, title=user.title )
prm = IPrincipalRoleManager( user )
prm.assignRoleToPrincipal( user.role, principal )
principalFolder[user.title] = principal
the pau.authenticatorPlugins is the PrincipalFolder I create (and
registerUtility) and populate in sync with the User addings/removals.
the pau.credentialPlugins are "No Challenge if Authenticated" and
is there an event to subscribe to that is triggered when a Principal
My need is to store the user.title in a Session annotation (I need it
in various Viewlets)
Thank you from a desperate student :)
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