replace HttpError with blib.HttpError

relay/application.py

@@ -12,6 +12,7 @@ from aiohttp.web import HTTPException, StaticResource
 from aiohttp_swagger import setup_swagger
 from aputils.signer import Signer
 from base64 import b64encode
+from blib import HttpError
 from bsql import Database
 from collections.abc import Awaitable, Callable
 from datetime import datetime, timedelta
@@ -26,8 +27,7 @@ from .config import Config
 from .database import Connection, get_database
 from .database.schema import Instance
 from .http_client import HttpClient
-from .misc import HttpError, Message, Response, check_open_port, get_resource
-from .misc import JSON_PATHS, TOKEN_PATHS
+from .misc import JSON_PATHS, TOKEN_PATHS, Message, Response, check_open_port, get_resource
 from .template import Template
 from .views import VIEWS
 from .views.api import handle_api_path
@@ -296,7 +296,7 @@ def format_error(request: web.Request, error: HttpError) -> Response:
 	app: Application = request.app # type: ignore[assignment]
 
 	if request.path.startswith(JSON_PATHS) or 'json' in request.headers.get('accept', ''):
-		return Response.new({'error': error.body}, error.status, ctype = 'json')
+		return Response.new({'error': error.message}, error.status, ctype = 'json')
 
 	else:
 		body = app.template.render('page/error.haml', request, e = error)
@@ -338,21 +338,21 @@ async def handle_response_headers(
 	except HttpError as e:
 		resp = format_error(request, e)
 
-	except HTTPException as ae:
-		if ae.status == 404:
+	except HTTPException as e:
+		if e.status == 404:
 			try:
-				text = (ae.text or "").split(":")[1].strip()
+				text = (e.text or "").split(":")[1].strip()
 
 			except IndexError:
-				text = ae.text or ""
+				text = e.text or ""
 
-			resp = format_error(request, HttpError(ae.status, text))
+			resp = format_error(request, HttpError(e.status, text))
 
 		else:
 			raise
 
-	except Exception as e:
-		resp = format_error(request, HttpError(500, f'{type(e).__name__}: {str(e)}'))
+	except Exception:
+		resp = format_error(request, HttpError(500, 'Internal server error'))
 		traceback.print_exc()
 
 	resp.headers['Server'] = 'ActivityRelay'

relay/frontend/page/error.haml

@@ -4,4 +4,4 @@
 -block content
 	.section.error
 		.title << HTTP Error {{e.status}}
-		.body -> =e.body
+		.body -> =e.message

relay/misc.py

@@ -134,17 +134,6 @@ def get_resource(path: str) -> Path:
 	return Path(str(pkgfiles('relay'))).joinpath(path)
 
 
-class HttpError(Exception):
-	def __init__(self,
-				status: int,
-				body: str) -> None:
-
-		self.body: str = body
-		self.status: int = status
-
-		Exception.__init__(self, f"HTTP Error {status}: {body}")
-
-
 class JsonEncoder(json.JSONEncoder):
 	def default(self, o: Any) -> str:
 		if isinstance(o, datetime):

relay/views/activitypub.py

@@ -2,12 +2,13 @@ import aputils
 import traceback
 
 from aiohttp.web import Request
+from blib import HttpError
 
 from .base import View, register_route
 
 from .. import logger as logging
 from ..database import schema
-from ..misc import HttpError, Message, Response
+from ..misc import Message, Response
 from ..processors import run_processor
 
 
@@ -93,15 +94,19 @@ class ActorView(View):
 		try:
 			self.actor = await self.client.get(self.signature.keyid, True, Message)
 
-		except Exception:
+		except HttpError:
 			# ld signatures aren't handled atm, so just ignore it
 			if self.message.type == 'Delete':
 				logging.verbose('Instance sent a delete which cannot be handled')
 				raise HttpError(202, '')
 
-			logging.verbose(f'Failed to fetch actor: {self.signature.keyid}')
+			logging.verbose('Failed to fetch actor: %s', self.signature.keyid)
 			raise HttpError(400, 'failed to fetch actor')
 
+		except Exception:
+			traceback.print_exc()
+			raise HttpError(500, 'unexpected error when fetching actor')
+
 		try:
 			self.signer = self.actor.signer
 

relay/views/api.py

@@ -2,7 +2,7 @@ import traceback
 
 from aiohttp.web import Request, middleware
 from argon2.exceptions import VerifyMismatchError
-from blib import convert_to_boolean
+from blib import HttpError, convert_to_boolean
 from collections.abc import Awaitable, Callable, Sequence
 from urllib.parse import urlparse
 
@@ -10,7 +10,7 @@ from .base import View, register_route
 
 from .. import __version__
 from ..database import ConfigData, schema
-from ..misc import HttpError, Message, Response, boolean
+from ..misc import Message, Response, boolean
 
 
 DEFAULT_REDIRECT: str = 'urn:ietf:wg:oauth:2.0:oob'
@@ -324,7 +324,7 @@ class Inbox(View):
 
 				except Exception:
 					traceback.print_exc()
-					raise HttpError(500, 'Failed to fetch actor')
+					raise HttpError(500, 'Failed to fetch actor') from None
 
 				data['inbox'] = actor_data.shared_inbox
 
@@ -396,7 +396,7 @@ class RequestView(View):
 				instance = conn.put_request_response(data['domain'], boolean(data['accept']))
 
 		except KeyError:
-			raise HttpError(404, 'Request not found')
+			raise HttpError(404, 'Request not found') from None
 
 		message = Message.new_response(
 			host = self.config.domain,

relay/views/base.py

@@ -3,6 +3,7 @@ from __future__ import annotations
 from aiohttp.abc import AbstractView
 from aiohttp.hdrs import METH_ALL as METHODS
 from aiohttp.web import Request
+from blib import HttpError
 from bsql import Database
 from collections.abc import Awaitable, Callable, Generator, Sequence, Mapping
 from functools import cached_property
@@ -13,7 +14,7 @@ from ..cache import Cache
 from ..config import Config
 from ..database import Connection
 from ..http_client import HttpClient
-from ..misc import HttpError, Response, get_app
+from ..misc import Response, get_app
 
 if TYPE_CHECKING:
 	from typing import Self
@@ -137,7 +138,7 @@ class View(AbstractView):
 				data[key] = post_data[key]
 
 		except KeyError as e:
-			raise HttpError(400, f'Missing {str(e)} pararmeter')
+			raise HttpError(400, f'Missing {str(e)} pararmeter') from None
 
 		for key in optional:
 			data[key] = post_data.get(key) # type: ignore[assignment]