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# -*- coding: utf-8 -*- |
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# |
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# This file is part of SENAITE.CORE. |
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# |
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# SENAITE.CORE is free software: you can redistribute it and/or modify it under |
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# the terms of the GNU General Public License as published by the Free Software |
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# Foundation, version 2. |
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# |
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# This program is distributed in the hope that it will be useful, but WITHOUT |
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS |
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# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more |
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# details. |
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# |
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# You should have received a copy of the GNU General Public License along with |
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# this program; if not, write to the Free Software Foundation, Inc., 51 |
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# Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
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# |
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# Copyright 2018-2022 by it's authors. |
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# Some rights reserved, see README and LICENSE. |
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import six |
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from bika.lims import api |
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from bika.lims import logger |
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from bika.lims.utils import get_client |
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from borg.localrole.default_adapter import DefaultLocalRoleAdapter |
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from plone.memoize import ram |
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from senaite.core.behaviors import IClientShareableBehavior |
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from senaite.core.interfaces import IDynamicLocalRoles |
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from zope.component import getAdapters |
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from zope.interface import implementer |
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def _getRolesInContext_cachekey(method, self, context, principal_id): |
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"""Function that generates the key for volatile caching |
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""" |
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# We need the cachekey to change when global roles of a given user change |
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user = api.get_user(principal_id) |
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roles = user and ":".join(sorted(user.getRoles())) or "" |
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return ".".join([ |
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principal_id, |
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roles, |
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api.get_path(context), |
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api.get_modification_date(context).ISO(), |
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]) |
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class DynamicLocalRoleAdapter(DefaultLocalRoleAdapter): |
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"""Gives additional Member local roles based on current user and context |
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This enables giving additional permissions on items out of the user's |
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current traverse path |
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""" |
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@ram.cache(_getRolesInContext_cachekey) |
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def getRolesInContext(self, context, principal_id): |
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"""Returns the dynamically calculated 'local' roles for the given |
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principal and context |
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@param context: context to calculate roles for the given principal |
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@param principal_id: User login id |
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@return List of dynamically calculated local-roles for user and context |
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""" |
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if not api.get_user(principal_id): |
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# principal_id can be a group name, but we consider users only |
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return [] |
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roles = set() |
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path = api.get_path(context) |
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adapters = getAdapters((context,), IDynamicLocalRoles) |
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for name, adapter in adapters: |
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local_roles = adapter.getRoles(principal_id) |
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if local_roles: |
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logger.info(u"{}::{}::{}: {}".format(name, path, principal_id, |
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repr(local_roles))) |
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roles.update(local_roles) |
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return list(roles) |
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def getRoles(self, principal_id): |
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"""Returns both non-local and local roles for the given principal in |
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current context |
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@param principal_id: User login id |
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@return: list of non-local and local roles for the user and context |
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""" |
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default_roles = self._rolemap.get(principal_id, []) |
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if not api.is_object(self.context): |
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# We only apply dynamic local roles to valid objects |
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return default_roles[:] |
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# Extend with dynamically computed roles |
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dynamic_roles = self.getRolesInContext(self.context, principal_id) |
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return list(set(default_roles + dynamic_roles)) |
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def getAllRoles(self): |
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roles = {} |
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# Iterate through all members to extract their dynamic local role for |
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# current context |
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mtool = api.get_tool("portal_membership") |
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for principal_id in mtool.listMemberIds(): |
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user_roles = self.getRoles(principal_id) |
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if user_roles: |
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roles.update({principal_id: user_roles}) |
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return six.iteritems(roles) |
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@implementer(IDynamicLocalRoles) |
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class ClientAwareLocalRoles(object): |
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"""Adapter for the assignment of dynamic local roles to users that are |
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linked to a ClientContact for objects that belong to same client |
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""" |
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def __init__(self, context): |
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self.context = context |
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def hasContact(self, client, principal_id): |
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"""Returns whether the client passed in has a contact linked to a user |
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with the given principal_id |
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""" |
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query = { |
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"portal_type": "Contact", |
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"getUsername": principal_id, |
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"getParentUID": api.get_uid(client), |
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} |
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brains = api.search(query, catalog="portal_catalog") |
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return len(brains) == 1 |
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def getRoles(self, principal_id): |
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"""Returns ["Owner"] local role if the user is linked to a Client |
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Contact that belongs to the same client as the current context |
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""" |
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# Get the client of current context, if any |
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client = get_client(self.context) |
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if not client: |
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return [] |
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# Check if the user belongs to same client as context |
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if not self.hasContact(client, principal_id): |
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return [] |
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return ["Owner"] |
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@implementer(IDynamicLocalRoles) |
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class ClientShareableLocalRoles(object): |
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"""Adapter for the assignment of roles for content shared across clients |
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""" |
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def __init__(self, context): |
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self.context = context |
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def getRoles(self, principal_id): |
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"""Returns ["ClientGuest"] local role if the current context is |
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shareable across clients and the user for the principal_id belongs to |
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one of the clients for which the context can be shared |
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""" |
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# Get the clients this context is shared with |
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behavior = IClientShareableBehavior(self.context) |
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clients = filter(api.is_uid, behavior.getRawClients()) |
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if not clients: |
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return [] |
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# Check if the user belongs to at least one of the clients |
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# this context is shared with |
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query = { |
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"portal_type": "Contact", |
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"getUsername": principal_id, |
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"getParentUID": clients, |
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} |
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brains = api.search(query, catalog="portal_catalog") |
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if len(brains) == 0: |
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return [] |
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return ["ClientGuest"] |
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senaite /
senaite.core
