refactor: change exceptions to more specific

src/presentation/decorators/csrf.py

@@ -3,7 +3,7 @@ import inspect
 from functools import wraps
 from typing import Callable, Awaitable, Any, Optional, Annotated
 from fastapi import Request, Header
-from src.application.domain.exceptions import ApplicationException
+from src.application.domain.exceptions import InternalException
 from src.infrastructure.security import CsrfService
 
 
@@ -39,10 +39,7 @@ def csrf_protect(
                         break
 
             if request is None:
-                raise ApplicationException(
-                    status_code=500,
-                    message='Request is required for CSRF protection',
-                )
+                raise InternalException(message='Request is required for CSRF protection')
 
             csrf = CsrfService()
 

src/presentation/decorators/rate_limit.py

@@ -6,7 +6,11 @@ from typing import Any, Awaitable, Callable, Literal, Optional, Protocol, runtim
 from fastapi import Request
 from redis.asyncio.client import Redis
 from src.application.contracts import ILogger
-from src.application.domain.exceptions import ApplicationException
+from src.application.domain.exceptions import (
+    InternalException,
+    ServiceUnavailableException,
+    TooManyRequestsException,
+)
 from src.infrastructure.logger import get_logger
 from src.presentation.dependencies import get_redis
 
@@ -124,7 +128,7 @@ def rate_limit(
                     ident = _call_key_builder(key_builder, request, args, kwargs)  # type: ignore[arg-type]
                 except Exception as e:
                     logger.error(f'RateLimit key_builder failed error={str(e)}')
-                    raise ApplicationException(500, 'Rate limiter key_builder failed')
+                    raise InternalException(message='Rate limiter key_builder failed')
 
             route = request.url.path
             method = request.method
@@ -153,13 +157,12 @@ def rate_limit(
                     logger.warning(f'RateLimit fail-open activated key={redis_key}')
                     return await func(*args, **kwargs)
 
-                raise ApplicationException(503, 'Rate limiter unavailable')
+                raise ServiceUnavailableException(message='Rate limiter unavailable')
 
             if count > limit:
                 retry_after = max(ttl, 0)
                 logger.warning(f'RateLimit exceeded key={redis_key} count={count} limit={limit} retry_after={retry_after}')
-                raise ApplicationException(
-                    status_code=429,
+                raise TooManyRequestsException(
                     message='Too Many Requests',
                     headers={'Retry-After': str(retry_after)},
                 )