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sentry_sdk
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Filename :
sanic.py
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import sys import weakref from inspect import isawaitable from sentry_sdk._compat import urlparse, reraise from sentry_sdk.hub import Hub from sentry_sdk.tracing import TRANSACTION_SOURCE_COMPONENT from sentry_sdk.utils import ( capture_internal_exceptions, event_from_exception, HAS_REAL_CONTEXTVARS, CONTEXTVARS_ERROR_MESSAGE, parse_version, ) from sentry_sdk.integrations import Integration, DidNotEnable from sentry_sdk.integrations._wsgi_common import RequestExtractor, _filter_headers from sentry_sdk.integrations.logging import ignore_logger from sentry_sdk._types import TYPE_CHECKING if TYPE_CHECKING: from typing import Any from typing import Callable from typing import Optional from typing import Union from typing import Tuple from typing import Dict from sanic.request import Request, RequestParameters from sentry_sdk._types import Event, EventProcessor, Hint from sanic.router import Route try: from sanic import Sanic, __version__ as SANIC_VERSION from sanic.exceptions import SanicException from sanic.router import Router from sanic.handlers import ErrorHandler except ImportError: raise DidNotEnable("Sanic not installed") old_error_handler_lookup = ErrorHandler.lookup old_handle_request = Sanic.handle_request old_router_get = Router.get try: # This method was introduced in Sanic v21.9 old_startup = Sanic._startup except AttributeError: pass class SanicIntegration(Integration): identifier = "sanic" version = None @staticmethod def setup_once(): # type: () -> None SanicIntegration.version = parse_version(SANIC_VERSION) if SanicIntegration.version is None: raise DidNotEnable("Unparsable Sanic version: {}".format(SANIC_VERSION)) if SanicIntegration.version < (0, 8): raise DidNotEnable("Sanic 0.8 or newer required.") if not HAS_REAL_CONTEXTVARS: # We better have contextvars or we're going to leak state between # requests. raise DidNotEnable( "The sanic integration for Sentry requires Python 3.7+ " " or the aiocontextvars package." + CONTEXTVARS_ERROR_MESSAGE ) if SANIC_VERSION.startswith("0.8."): # Sanic 0.8 and older creates a logger named "root" and puts a # stringified version of every exception in there (without exc_info), # which our error deduplication can't detect. # # We explicitly check the version here because it is a very # invasive step to ignore this logger and not necessary in newer # versions at all. # # https://github.com/huge-success/sanic/issues/1332 ignore_logger("root") if SanicIntegration.version < (21, 9): _setup_legacy_sanic() return _setup_sanic() class SanicRequestExtractor(RequestExtractor): def content_length(self): # type: () -> int if self.request.body is None: return 0 return len(self.request.body) def cookies(self): # type: () -> Dict[str, str] return dict(self.request.cookies) def raw_data(self): # type: () -> bytes return self.request.body def form(self): # type: () -> RequestParameters return self.request.form def is_json(self): # type: () -> bool raise NotImplementedError() def json(self): # type: () -> Optional[Any] return self.request.json def files(self): # type: () -> RequestParameters return self.request.files def size_of_file(self, file): # type: (Any) -> int return len(file.body or ()) def _setup_sanic(): # type: () -> None Sanic._startup = _startup ErrorHandler.lookup = _sentry_error_handler_lookup def _setup_legacy_sanic(): # type: () -> None Sanic.handle_request = _legacy_handle_request Router.get = _legacy_router_get ErrorHandler.lookup = _sentry_error_handler_lookup async def _startup(self): # type: (Sanic) -> None # This happens about as early in the lifecycle as possible, just after the # Request object is created. The body has not yet been consumed. self.signal("http.lifecycle.request")(_hub_enter) # This happens after the handler is complete. In v21.9 this signal is not # dispatched when there is an exception. Therefore we need to close out # and call _hub_exit from the custom exception handler as well. # See https://github.com/sanic-org/sanic/issues/2297 self.signal("http.lifecycle.response")(_hub_exit) # This happens inside of request handling immediately after the route # has been identified by the router. self.signal("http.routing.after")(_set_transaction) # The above signals need to be declared before this can be called. await old_startup(self) async def _hub_enter(request): # type: (Request) -> None hub = Hub.current request.ctx._sentry_do_integration = ( hub.get_integration(SanicIntegration) is not None ) if not request.ctx._sentry_do_integration: return weak_request = weakref.ref(request) request.ctx._sentry_hub = Hub(hub) request.ctx._sentry_hub.__enter__() with request.ctx._sentry_hub.configure_scope() as scope: scope.clear_breadcrumbs() scope.add_event_processor(_make_request_processor(weak_request)) async def _hub_exit(request, **_): # type: (Request, **Any) -> None request.ctx._sentry_hub.__exit__(None, None, None) async def _set_transaction(request, route, **kwargs): # type: (Request, Route, **Any) -> None hub = Hub.current if hub.get_integration(SanicIntegration) is not None: with capture_internal_exceptions(): with hub.configure_scope() as scope: route_name = route.name.replace(request.app.name, "").strip(".") scope.set_transaction_name( route_name, source=TRANSACTION_SOURCE_COMPONENT ) def _sentry_error_handler_lookup(self, exception, *args, **kwargs): # type: (Any, Exception, *Any, **Any) -> Optional[object] _capture_exception(exception) old_error_handler = old_error_handler_lookup(self, exception, *args, **kwargs) if old_error_handler is None: return None if Hub.current.get_integration(SanicIntegration) is None: return old_error_handler async def sentry_wrapped_error_handler(request, exception): # type: (Request, Exception) -> Any try: response = old_error_handler(request, exception) if isawaitable(response): response = await response return response except Exception: # Report errors that occur in Sanic error handler. These # exceptions will not even show up in Sanic's # `sanic.exceptions` logger. exc_info = sys.exc_info() _capture_exception(exc_info) reraise(*exc_info) finally: # As mentioned in previous comment in _startup, this can be removed # after https://github.com/sanic-org/sanic/issues/2297 is resolved if SanicIntegration.version and SanicIntegration.version == (21, 9): await _hub_exit(request) return sentry_wrapped_error_handler async def _legacy_handle_request(self, request, *args, **kwargs): # type: (Any, Request, *Any, **Any) -> Any hub = Hub.current if hub.get_integration(SanicIntegration) is None: return old_handle_request(self, request, *args, **kwargs) weak_request = weakref.ref(request) with Hub(hub) as hub: with hub.configure_scope() as scope: scope.clear_breadcrumbs() scope.add_event_processor(_make_request_processor(weak_request)) response = old_handle_request(self, request, *args, **kwargs) if isawaitable(response): response = await response return response def _legacy_router_get(self, *args): # type: (Any, Union[Any, Request]) -> Any rv = old_router_get(self, *args) hub = Hub.current if hub.get_integration(SanicIntegration) is not None: with capture_internal_exceptions(): with hub.configure_scope() as scope: if SanicIntegration.version and SanicIntegration.version >= (21, 3): # Sanic versions above and including 21.3 append the app name to the # route name, and so we need to remove it from Route name so the # transaction name is consistent across all versions sanic_app_name = self.ctx.app.name sanic_route = rv[0].name if sanic_route.startswith("%s." % sanic_app_name): # We add a 1 to the len of the sanic_app_name because there is a dot # that joins app name and the route name # Format: app_name.route_name sanic_route = sanic_route[len(sanic_app_name) + 1 :] scope.set_transaction_name( sanic_route, source=TRANSACTION_SOURCE_COMPONENT ) else: scope.set_transaction_name( rv[0].__name__, source=TRANSACTION_SOURCE_COMPONENT ) return rv def _capture_exception(exception): # type: (Union[Tuple[Optional[type], Optional[BaseException], Any], BaseException]) -> None hub = Hub.current integration = hub.get_integration(SanicIntegration) if integration is None: return # If an integration is there, a client has to be there. client = hub.client # type: Any with capture_internal_exceptions(): event, hint = event_from_exception( exception, client_options=client.options, mechanism={"type": "sanic", "handled": False}, ) hub.capture_event(event, hint=hint) def _make_request_processor(weak_request): # type: (Callable[[], Request]) -> EventProcessor def sanic_processor(event, hint): # type: (Event, Optional[Hint]) -> Optional[Event] try: if hint and issubclass(hint["exc_info"][0], SanicException): return None except KeyError: pass request = weak_request() if request is None: return event with capture_internal_exceptions(): extractor = SanicRequestExtractor(request) extractor.extract_into_event(event) request_info = event["request"] urlparts = urlparse.urlsplit(request.url) request_info["url"] = "%s://%s%s" % ( urlparts.scheme, urlparts.netloc, urlparts.path, ) request_info["query_string"] = urlparts.query request_info["method"] = request.method request_info["env"] = {"REMOTE_ADDR": request.remote_addr} request_info["headers"] = _filter_headers(dict(request.headers)) return event return sanic_processor