a working product with ugly ui

app/utils/security.py

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+from datetime import datetime, timedelta
+from typing import Optional
+from jose import jwt
+from app.config import settings
+
+
+def create_access_token(user_id: str, expires_delta: Optional[timedelta] = None) -> str:
+    """
+    Create a JWT access token.
+
+    Args:
+        user_id: User ID to encode in the token
+        expires_delta: Optional custom expiration time delta
+
+    Returns:
+        Encoded JWT token string
+    """
+    if expires_delta:
+        expire = datetime.utcnow() + expires_delta
+    else:
+        expire = datetime.utcnow() + timedelta(minutes=settings.ACCESS_TOKEN_EXPIRE_MINUTES)
+
+    to_encode = {
+        "sub": user_id,
+        "exp": expire,
+        "type": "access"
+    }
+
+    encoded_jwt = jwt.encode(to_encode, settings.SECRET_KEY, algorithm=settings.ALGORITHM)
+    return encoded_jwt
+
+
+def create_refresh_token(user_id: str) -> str:
+    """
+    Create a JWT refresh token with longer expiration.
+
+    Args:
+        user_id: User ID to encode in the token
+
+    Returns:
+        Encoded JWT refresh token string
+    """
+    expire = datetime.utcnow() + timedelta(days=settings.REFRESH_TOKEN_EXPIRE_DAYS)
+
+    to_encode = {
+        "sub": user_id,
+        "exp": expire,
+        "type": "refresh"
+    }
+
+    encoded_jwt = jwt.encode(to_encode, settings.SECRET_KEY, algorithm=settings.ALGORITHM)
+    return encoded_jwt
+
+
+def decode_token(token: str) -> dict:
+    """
+    Decode and verify a JWT token.
+
+    Args:
+        token: JWT token string
+
+    Returns:
+        Decoded token payload
+
+    Raises:
+        JWTError: If token is invalid or expired
+    """
+    payload = jwt.decode(token, settings.SECRET_KEY, algorithms=[settings.ALGORITHM])
+    return payload