Bernt
aee0f09db8
- Datafabrik: Dockerfile fix, agentorkestrering fungerar - Vision: Identify-modell, FAISS, OCR alla testade - API: Alla 7 integrationstester passerade - Upplösare: Entitetsupplösning verifierad
82 lines
2.6 KiB
Python
82 lines
2.6 KiB
Python
"""Säkerhetsfunktioner: lösenordshashning, JWT-hantering, roller."""
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from datetime import datetime, timedelta
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from typing import Optional, Union
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from uuid import UUID
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from jose import jwt, JWTError
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from passlib.context import CryptContext
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from app.config import get_settings
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from app.models import UserRole
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settings = get_settings()
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pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")
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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(subject: Union[str, UUID], expires_delta: Optional[timedelta] = None) -> str:
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if expires_delta:
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expire = datetime.utcnow() + expires_delta
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else:
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expire = datetime.utcnow() + timedelta(minutes=settings.ACCESS_TOKEN_EXPIRE_MINUTES)
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to_encode = {"exp": expire, "sub": str(subject), "type": "access"}
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encoded_jwt = jwt.encode(to_encode, settings.SECRET_KEY, algorithm=settings.ALGORITHM)
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return encoded_jwt
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def create_refresh_token(subject: Union[str, UUID]) -> str:
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expire = datetime.utcnow() + timedelta(days=settings.REFRESH_TOKEN_EXPIRE_DAYS)
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to_encode = {"exp": expire, "sub": str(subject), "type": "refresh"}
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encoded_jwt = jwt.encode(to_encode, settings.SECRET_KEY, algorithm=settings.ALGORITHM)
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return encoded_jwt
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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.SECRET_KEY, algorithms=[settings.ALGORITHM])
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return payload
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except JWTError:
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return None
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# ─── Role-based access helpers ────────────────────────
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ROLE_HIERARCHY = {
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UserRole.VIEWER: 0,
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UserRole.ANALYST: 1,
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UserRole.MANAGER: 2,
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UserRole.ADMIN: 3,
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}
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def role_level(role: UserRole) -> int:
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return ROLE_HIERARCHY.get(role, 0)
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def can_manage(manager_role: UserRole, target_role: UserRole) -> bool:
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"""Returnerar True om manager_role har högre eller lika nivå som target_role."""
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return role_level(manager_role) >= role_level(target_role)
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def require_role(min_role: UserRole):
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"""Factory för roll-krav. Används i dependency-kedjan."""
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from fastapi import HTTPException, status
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def checker(current_user_role: UserRole):
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if role_level(current_user_role) < role_level(min_role):
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raise HTTPException(
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status_code=status.HTTP_403_FORBIDDEN,
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detail=f"Requires role {min_role.value} or higher",
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)
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return True
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return checker
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