daa125edf3
Recent updates of dev/ruff and dev/pylint dependencies led to new linting warnings. Pylint 3.2.0 introduced a new check `possibly-used-before-assignment`, which ensures variables are defined regardless of conditional statements. Some if/else branches were missing defaults. These have been fixed.
86 lines
2.5 KiB
Python
86 lines
2.5 KiB
Python
"""Permission handlers for the Meet core app."""
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from rest_framework import permissions
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from ..models import RoleChoices
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ACTION_FOR_METHOD_TO_PERMISSION = {
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"versions_detail": {"DELETE": "versions_destroy", "GET": "versions_retrieve"}
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}
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class IsAuthenticated(permissions.BasePermission):
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"""
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Allows access only to authenticated users. Alternative method checking the presence
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of the auth token to avoid hitting the database.
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"""
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def has_permission(self, request, view):
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return bool(request.auth) or request.user.is_authenticated
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class IsAuthenticatedOrSafe(IsAuthenticated):
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"""Allows access to authenticated users (or anonymous users but only on safe methods)."""
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def has_permission(self, request, view):
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if request.method in permissions.SAFE_METHODS:
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return True
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return super().has_permission(request, view)
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class IsSelf(IsAuthenticated):
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"""
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Allows access only to authenticated users. Alternative method checking the presence
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of the auth token to avoid hitting the database.
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"""
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def has_object_permission(self, request, view, obj):
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"""Write permissions are only allowed to the user itself."""
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return obj == request.user
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class RoomPermissions(permissions.BasePermission):
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"""
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Permissions applying to the room API endpoint.
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"""
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def has_permission(self, request, view):
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"""Only allow authenticated users for unsafe methods."""
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if request.method in permissions.SAFE_METHODS:
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return True
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return request.user.is_authenticated
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def has_object_permission(self, request, view, obj):
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"""Object permissions are only given to administrators of the room."""
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if request.method in permissions.SAFE_METHODS:
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return True
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user = request.user
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if request.method == "DELETE":
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return obj.is_owner(user)
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return obj.is_administrator(user)
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class ResourceAccessPermission(permissions.BasePermission):
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"""
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Permissions for a room that can only be updated by room administrators.
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"""
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def has_permission(self, request, view):
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"""Only allow authenticated users."""
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return request.user.is_authenticated
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def has_object_permission(self, request, view, obj):
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"""
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Check that the logged-in user is administrator of the linked room.
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"""
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user = request.user
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if request.method == "DELETE" and obj.role == RoleChoices.OWNER:
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return obj.user == user
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return obj.resource.is_administrator(user)
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