33 lines
991 B
Python
33 lines
991 B
Python
"""
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Utilities for signing/integrity, on top of ItsDangerous.
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---
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Copyright (c) 2025 Sakuragasaki46.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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See LICENSE for the specific language governing permissions and
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limitations under the License.
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This software is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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"""
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from itsdangerous import TimestampSigner
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from suou.iding import Siq
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class UserSigner(TimestampSigner):
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"""
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Instance itsdangerous.TimestampSigner() from a user ID.
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XXX UNTESTED!!!
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"""
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user_id: int
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def __init__(self, master_secret: bytes, user_id: int, user_secret: bytes, **kwargs):
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super().__init__(master_secret + user_secret, salt=Siq(user_id).to_bytes(), **kwargs)
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self.user_id = user_id
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def token(self) -> str:
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return self.sign(Siq(self.user_id).to_base64()).decode('ascii')
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