mirror of
https://gitlab.crans.org/bde/nk20
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58 lines
2.2 KiB
Python
58 lines
2.2 KiB
Python
# Copyright (C) 2018-2021 by BDE ENS Paris-Saclay
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# SPDX-License-Identifier: GPL-3.0-or-later
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from oauth2_provider.oauth2_validators import OAuth2Validator
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from oauth2_provider.scopes import BaseScopes
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from member.models import Club
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from note_kfet.middlewares import get_current_request
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from .backends import PermissionBackend
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from .models import Permission
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class PermissionScopes(BaseScopes):
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"""
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An OAuth2 scope is defined by a permission object and a club.
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A token will have a subset of permissions from the owner of the application,
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and can be useful to make queries through the API with limited privileges.
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"""
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def get_all_scopes(self):
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return {f"{p.id}_{club.id}": f"{p.description} (club {club.name})"
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for p in Permission.objects.all() for club in Club.objects.all()}
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def get_available_scopes(self, application=None, request=None, *args, **kwargs):
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if not application:
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return []
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return [f"{p.id}_{p.membership.club.id}"
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for t in Permission.PERMISSION_TYPES
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for p in PermissionBackend.get_raw_permissions(get_current_request(), t[0])]
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def get_default_scopes(self, application=None, request=None, *args, **kwargs):
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if not application:
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return []
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return [f"{p.id}_{p.membership.club.id}"
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for p in PermissionBackend.get_raw_permissions(get_current_request(), 'view')]
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class PermissionOAuth2Validator(OAuth2Validator):
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def validate_scopes(self, client_id, scopes, client, request, *args, **kwargs):
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"""
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User can request as many scope as he wants, including invalid scopes,
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but it will have only the permissions he has.
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This allows clients to request more permission to get finally a
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subset of permissions.
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"""
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valid_scopes = set()
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for t in Permission.PERMISSION_TYPES:
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for p in PermissionBackend.get_raw_permissions(get_current_request(), t[0]):
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scope = f"{p.id}_{p.membership.club.id}"
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if scope in scopes:
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valid_scopes.add(scope)
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request.scopes = valid_scopes
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return valid_scopes
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