27 lines
848 B
Python
27 lines
848 B
Python
"""Password hashing for the client portal — argon2id via argon2-cffi.
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Kept separate from portal_auth (cookie signing) so the future operator auth can
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reuse the same hasher. Never store or log raw passwords."""
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import secrets
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from argon2 import PasswordHasher
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_ph = PasswordHasher()
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def hash_password(raw: str) -> str:
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"""Return an argon2id hash string for a raw password."""
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return _ph.hash(raw)
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def verify_password(raw: str, hashed: str) -> bool:
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"""True iff raw matches the stored hash. Never raises."""
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try:
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return _ph.verify(hashed, raw)
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except Exception: # argon2 raises on mismatch/garbage; treat all as "no match"
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return False
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def generate_password(n_bytes: int = 12) -> str:
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"""A strong, URL-safe shareable password (~16 chars for n_bytes=12)."""
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return secrets.token_urlsafe(n_bytes)
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