first commit

app/utils/security.py

@@ -0,0 +1,51 @@
+from datetime import datetime, timedelta, timezone
+from secrets import token_urlsafe
+
+from jose import JWTError, jwt
+from passlib.context import CryptContext
+
+from app.config.settings import settings
+
+
+pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")
+
+
+def hash_password(password: str) -> str:
+    return pwd_context.hash(password)
+
+
+def verify_password(password: str, hashed_password: str) -> bool:
+    return pwd_context.verify(password, hashed_password)
+
+
+def _create_token(subject: str, token_type: str, expires_delta: timedelta) -> str:
+    expire = datetime.now(timezone.utc) + expires_delta
+    payload = {"sub": subject, "type": token_type, "exp": expire}
+    return jwt.encode(payload, settings.secret_key, algorithm=settings.jwt_algorithm)
+
+
+def create_access_token(subject: str) -> str:
+    return _create_token(
+        subject=subject,
+        token_type="access",
+        expires_delta=timedelta(minutes=settings.access_token_expire_minutes),
+    )
+
+
+def create_refresh_token(subject: str) -> str:
+    return _create_token(
+        subject=subject,
+        token_type="refresh",
+        expires_delta=timedelta(days=settings.refresh_token_expire_days),
+    )
+
+
+def decode_token(token: str) -> dict:
+    try:
+        return jwt.decode(token, settings.secret_key, algorithms=[settings.jwt_algorithm])
+    except JWTError as exc:
+        raise ValueError("Invalid token") from exc
+
+
+def generate_random_token() -> str:
+    return token_urlsafe(48)