73 lines
2.4 KiB
Python
73 lines
2.4 KiB
Python
# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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from __future__ import annotations
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from hashlib import md5
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from secrets import token_urlsafe
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from typing import Any
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from uuid import UUID, uuid3
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import hashids
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from flask_babel import gettext as _
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from superset.key_value.exceptions import KeyValueParseKeyError
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from superset.key_value.types import Key, KeyValueFilter, KeyValueResource
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from superset.utils.json import json_dumps_w_dates
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HASHIDS_MIN_LENGTH = 11
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def random_key() -> str:
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return token_urlsafe(48)
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def get_filter(resource: KeyValueResource, key: Key) -> KeyValueFilter:
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try:
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filter_: KeyValueFilter = {"resource": resource.value}
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if isinstance(key, UUID):
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filter_["uuid"] = key
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else:
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filter_["id"] = key
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return filter_
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except ValueError as ex:
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raise KeyValueParseKeyError() from ex
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def encode_permalink_key(key: int, salt: str) -> str:
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obj = hashids.Hashids(salt, min_length=HASHIDS_MIN_LENGTH)
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return obj.encode(key)
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def decode_permalink_id(key: str, salt: str) -> int:
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obj = hashids.Hashids(salt, min_length=HASHIDS_MIN_LENGTH)
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ids = obj.decode(key)
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if len(ids) == 1:
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return ids[0]
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raise KeyValueParseKeyError(_("Invalid permalink key"))
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def get_uuid_namespace(seed: str) -> UUID:
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md5_obj = md5() # noqa: S324
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md5_obj.update(seed.encode("utf-8"))
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return UUID(md5_obj.hexdigest())
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def get_deterministic_uuid(namespace: str, payload: Any) -> UUID:
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"""Get a deterministic UUID (uuid3) from a salt and a JSON-serializable payload."""
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payload_str = json_dumps_w_dates(payload, sort_keys=True)
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return uuid3(get_uuid_namespace(namespace), payload_str)
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