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CCS Admin
178d40d036
Add core security layer: - security.py: password hashing (bcrypt), JWT access/refresh tokens, SHA-256 token hashing, TOTP MFA (generate, verify, provisioning URI), plus passlib/bcrypt 5.x compatibility patch - dependencies.py: FastAPI deps for get_current_user (Bearer JWT) and require_admin (role check) - exceptions.py: domain-specific HTTP exceptions (CaseNotFound, DuplicateCase, InvalidImportFile, ICDValidation, AccountLocked, InvalidCredentials) - test_security.py: 9 tests covering all security functions Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
55 lines
1.6 KiB
Python
55 lines
1.6 KiB
Python
"""FastAPI dependency functions for authentication and authorisation."""
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from fastapi import Depends, HTTPException, status
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from fastapi.security import HTTPBearer, HTTPAuthorizationCredentials
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from jose import JWTError
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from sqlalchemy.orm import Session
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from app.core.security import decode_access_token
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from app.database import get_db
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from app.models.user import User
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security = HTTPBearer()
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def get_current_user(
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credentials: HTTPAuthorizationCredentials = Depends(security),
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db: Session = Depends(get_db),
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) -> User:
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"""Extract and validate the JWT bearer token, then return the active user.
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Raises 401 if the token is invalid/expired or the user is inactive.
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"""
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try:
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payload = decode_access_token(credentials.credentials)
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user_id = int(payload["sub"])
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except (JWTError, KeyError, ValueError):
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raise HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail="Invalid token",
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)
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user = (
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db.query(User)
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.filter(User.id == user_id, User.is_active == True) # noqa: E712
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.first()
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)
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if not user:
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raise HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail="User not found or inactive",
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)
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return user
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def require_admin(user: User = Depends(get_current_user)) -> User:
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"""Require the authenticated user to have the ``admin`` role.
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Raises 403 if the user is not an admin.
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"""
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if user.role != "admin":
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raise HTTPException(
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status_code=status.HTTP_403_FORBIDDEN,
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detail="Admin access required",
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)
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return user
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