Agent Zero
57 lines
1.8 KiB
Python
57 lines
1.8 KiB
Python
"""Security helpers: password hashing and JWT token management."""
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from datetime import datetime, timedelta, timezone
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from typing import Any
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import bcrypt
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from jose import jwt
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from app.core.config import settings
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def verify_password(plain_password: str, hashed_password: str) -> bool:
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"""Verify a plaintext password against a bcrypt hash."""
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return bcrypt.checkpw(
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plain_password.encode("utf-8"), hashed_password.encode("utf-8")
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)
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def get_password_hash(password: str) -> str:
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"""Hash a password using bcrypt."""
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return bcrypt.hashpw(password.encode("utf-8"), bcrypt.gensalt()).decode("utf-8")
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def create_access_token(
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subject: str | Any, expires_delta: timedelta | None = None
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) -> str:
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"""Create a short-lived JWT access token."""
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if expires_delta is None:
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expires_delta = timedelta(minutes=settings.ACCESS_TOKEN_EXPIRE_MINUTES)
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now = datetime.now(timezone.utc)
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expire = now + expires_delta
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to_encode = {"exp": expire, "sub": str(subject), "iat": now, "type": "access"}
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return jwt.encode(
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to_encode, settings.JWT_SECRET_KEY, algorithm=settings.JWT_ALGORITHM
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)
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def create_refresh_token(
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subject: str | Any, expires_delta: timedelta | None = None
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) -> str:
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"""Create a long-lived JWT refresh token."""
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if expires_delta is None:
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expires_delta = timedelta(minutes=settings.REFRESH_TOKEN_EXPIRE_MINUTES)
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now = datetime.now(timezone.utc)
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expire = now + expires_delta
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to_encode = {"exp": expire, "sub": str(subject), "iat": now, "type": "refresh"}
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return jwt.encode(
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to_encode, settings.JWT_SECRET_KEY, algorithm=settings.JWT_ALGORITHM
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)
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def verify_token(token: str) -> dict:
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"""Decode and verify a JWT token. Returns the payload dict."""
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return jwt.decode(
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token, settings.JWT_SECRET_KEY, algorithms=[settings.JWT_ALGORITHM]
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)
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