from radicale.rights import BaseRights
from radicale.
import urllib.request
import json
import hashlib


class Rights(BaseRights):
    def __init__(self, configuration, logger):
        self.configuration = configuration
        self.logger = logger

    def authorized(self, user, path, permission):
        """Check if the user is allowed to read or write the collection.
        If ``user`` is empty, check for anonymous rights.
        ``path`` is sanitized.
        ``permission`` is "r" or "w".
        """
        raise NotImplementedError

    def authorized_item(self, user, path, permission):
        """Check if the user is allowed to read or write the item."""
        path = storage.sanitize_path(path)
        parent_path = storage.sanitize_path(
            "/%s/" % posixpath.dirname(path.strip("/")))
            return self.authorized(user, parent_path, permission)