JWT tokens 1.0

server/backend/JWT.py

@@ -0,0 +1,27 @@
+from datetime import datetime, timedelta
+from jose import JWTError, jwt
+from fastapi import HTTPException, Depends, status
+from fastapi.security import OAuth2PasswordBearer
+
+SECRET_KEY = "super-secret-string"
+ALGORITHM = "HS256"
+ACCESS_TOKEN_EXPIRE_MINUTES = 30
+
+oauth2_scheme = OAuth2PasswordBearer(tokenUrl="login")
+
+async def create_access_token(data: dict, expires_delta: timedelta | None = None):
+    to_encode = data.copy()
+    expire = datetime.utcnow() + (expires_delta or timedelta(minutes=15))
+    to_encode.update({"exp": expire})
+    encoded_jwt = jwt.encode(to_encode, SECRET_KEY, algorithm=ALGORITHM)
+    return encoded_jwt
+
+async def current_user(token: str = Depends(oauth2_scheme)):
+    try:
+        payload = jwt.decode(token, SECRET_KEY, algorithms=[ALGORITHM])
+        email: str = payload.get("sub")
+        if email is None:
+            raise HTTPException(status_code=status.HTTP_401_UNAUTHORIZED, detail="Invalid token")
+        return email
+    except JWTError:
+        raise HTTPException(status_code=status.HTTP_401_UNAUTHORIZED, detail="Invalid token")