54 lines
1.8 KiB
Python
54 lines
1.8 KiB
Python
"""Security utilities - JWT, password hashing, RBAC."""
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from datetime import datetime, timedelta
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from typing import Optional, Any
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from jose import jwt, JWTError
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from passlib.context import CryptContext
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from .config import settings
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pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")
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# Roles hierarchy
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class Role:
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VIEWER = "viewer"
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ANALYST = "analyst"
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MANAGER = "manager"
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ADMIN = "admin"
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OWNER = "owner"
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ROLE_HIERARCHY = {
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Role.VIEWER: 1,
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Role.ANALYST: 2,
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Role.MANAGER: 3,
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Role.ADMIN: 4,
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Role.OWNER: 5,
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}
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def verify_password(plain_password: str, hashed_password: str) -> bool:
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return pwd_context.verify(plain_password, hashed_password)
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def get_password_hash(password: str) -> str:
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return pwd_context.hash(password)
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def create_access_token(data: dict, expires_delta: Optional[timedelta] = None) -> str:
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to_encode = data.copy()
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expire = datetime.utcnow() + (expires_delta or timedelta(minutes=settings.JWT_EXPIRE_MINUTES))
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to_encode.update({"exp": expire, "type": "access"})
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return jwt.encode(to_encode, settings.JWT_SECRET, algorithm=settings.JWT_ALGORITHM)
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def create_refresh_token(data: dict) -> str:
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to_encode = data.copy()
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expire = datetime.utcnow() + timedelta(days=settings.JWT_REFRESH_DAYS)
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to_encode.update({"exp": expire, "type": "refresh"})
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return jwt.encode(to_encode, settings.JWT_SECRET, algorithm=settings.JWT_ALGORITHM)
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def decode_token(token: str) -> Optional[dict]:
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try:
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payload = jwt.decode(token, settings.JWT_SECRET, algorithms=[settings.JWT_ALGORITHM])
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return payload
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except JWTError:
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return None
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def has_permission(user_role: str, required_role: str) -> bool:
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"""Check if user_role has at least the required_role level."""
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return ROLE_HIERARCHY.get(user_role, 0) >= ROLE_HIERARCHY.get(required_role, 0)
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