mirror of https://github.com/zulip/zulip.git
21 lines
618 B
Python
21 lines
618 B
Python
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from django.conf import settings
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import hashlib
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import base64
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from typing import Optional
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def initial_password(email: str) -> Optional[str]:
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"""Given an email address, returns the initial password for that account, as
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created by populate_db."""
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if settings.INITIAL_PASSWORD_SALT is not None:
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encoded_key = (settings.INITIAL_PASSWORD_SALT + email).encode("utf-8")
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digest = hashlib.sha256(encoded_key).digest()
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return base64.b64encode(digest)[:16].decode('utf-8')
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else:
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# None as a password for a user tells Django to set an unusable password
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return None
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