KintoneAppBuilder created

backend/app/core/auth.py

@@ -0,0 +1,75 @@
+import jwt
+from fastapi import Depends, HTTPException, status
+from jwt import PyJWTError
+
+from app.db import models, schemas, session
+from app.db.crud import get_user_by_email, create_user
+from app.core import security
+
+
+async def get_current_user(
+    db=Depends(session.get_db), token: str = Depends(security.oauth2_scheme)
+):
+    credentials_exception = HTTPException(
+        status_code=status.HTTP_401_UNAUTHORIZED,
+        detail="Could not validate credentials",
+        headers={"WWW-Authenticate": "Bearer"},
+    )
+    try:
+        payload = jwt.decode(
+            token, security.SECRET_KEY, algorithms=[security.ALGORITHM]
+        )
+        email: str = payload.get("sub")
+        if email is None:
+            raise credentials_exception
+        permissions: str = payload.get("permissions")
+        token_data = schemas.TokenData(email=email, permissions=permissions)
+    except PyJWTError:
+        raise credentials_exception
+    user = get_user_by_email(db, token_data.email)
+    if user is None:
+        raise credentials_exception
+    return user
+
+
+async def get_current_active_user(
+    current_user: models.User = Depends(get_current_user),
+):
+    if not current_user.is_active:
+        raise HTTPException(status_code=400, detail="Inactive user")
+    return current_user
+
+
+async def get_current_active_superuser(
+    current_user: models.User = Depends(get_current_user),
+) -> models.User:
+    if not current_user.is_superuser:
+        raise HTTPException(
+            status_code=403, detail="The user doesn't have enough privileges"
+        )
+    return current_user
+
+
+def authenticate_user(db, email: str, password: str):
+    user = get_user_by_email(db, email)
+    if not user:
+        return False
+    if not security.verify_password(password, user.hashed_password):
+        return False
+    return user
+
+
+def sign_up_new_user(db, email: str, password: str):
+    user = get_user_by_email(db, email)
+    if user:
+        return False  # User already exists
+    new_user = create_user(
+        db,
+        schemas.UserCreate(
+            email=email,
+            password=password,
+            is_active=True,
+            is_superuser=False,
+        ),
+    )
+    return new_user