chore(quality): apply ruff autofixes and formatting (8 fixes, 18 files reformatted)

backend/app/utils/security.py

@@ -0,0 +1,51 @@
+from datetime import datetime, timedelta, timezone
+from typing import Optional
+
+from passlib.context import CryptContext
+from jose import JWTError, jwt
+
+from app.config import get_settings
+
+settings = get_settings()
+
+# Password hashing context
+pwd_context = CryptContext(
+    schemes=["bcrypt"], deprecated="auto", bcrypt__rounds=settings.PASSWORD_COST_FACTOR
+)
+
+
+def verify_password(plain_password: str, hashed_password: str) -> bool:
+    """Verify a password against a hash."""
+    return pwd_context.verify(plain_password, hashed_password)
+
+
+def get_password_hash(password: str) -> str:
+    """Hash a password."""
+    return pwd_context.hash(password)
+
+
+def create_access_token(data: dict, expires_delta: Optional[timedelta] = None) -> str:
+    """Create a JWT access token."""
+    to_encode = data.copy()
+    if expires_delta:
+        expire = datetime.now(timezone.utc) + expires_delta
+    else:
+        expire = datetime.now(timezone.utc) + timedelta(
+            minutes=settings.ACCESS_TOKEN_EXPIRE_MINUTES
+        )
+    to_encode.update({"exp": expire})
+    encoded_jwt = jwt.encode(
+        to_encode, settings.SECRET_KEY, algorithm=settings.ALGORITHM
+    )
+    return encoded_jwt
+
+
+def decode_access_token(token: str) -> Optional[dict]:
+    """Decode a JWT access token."""
+    try:
+        payload = jwt.decode(
+            token, settings.SECRET_KEY, algorithms=[settings.ALGORITHM]
+        )
+        return payload
+    except JWTError:
+        return None