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becef760bf
Previous cleanups (mostly the removals of Python __future__ imports) were done in a way that introduced leading newlines. Delete leading newlines from all files, except static/assets/zulip-emoji/NOTICE, which is a verbatim copy of the Apache 2.0 license. Signed-off-by: Anders Kaseorg <anders@zulipchat.com>
20 lines
617 B
Python
20 lines
617 B
Python
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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