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from typing import TYPE_CHECKING
from pydantic import BaseModel # type: ignore
from sentry_sdk.consts import OP
from sentry_sdk.hub import Hub, _should_send_default_pii
from sentry_sdk.integrations import DidNotEnable, Integration
from sentry_sdk.integrations.asgi import SentryAsgiMiddleware
from sentry_sdk.tracing import SOURCE_FOR_STYLE, TRANSACTION_SOURCE_ROUTE
from sentry_sdk.utils import event_from_exception, transaction_from_function
try:
from starlite import Request, Starlite, State # type: ignore
from starlite.handlers.base import BaseRouteHandler # type: ignore
from starlite.middleware import DefineMiddleware # type: ignore
from starlite.plugins.base import get_plugin_for_value # type: ignore
from starlite.routes.http import HTTPRoute # type: ignore
from starlite.utils import ConnectionDataExtractor, is_async_callable, Ref # type: ignore
if TYPE_CHECKING:
from typing import Any, Dict, List, Optional, Union
from starlite.types import ( # type: ignore
ASGIApp,
HTTPReceiveMessage,
HTTPScope,
Message,
Middleware,
Receive,
Scope,
Send,
WebSocketReceiveMessage,
)
from starlite import MiddlewareProtocol
from sentry_sdk._types import Event
except ImportError:
raise DidNotEnable("Starlite is not installed")
_DEFAULT_TRANSACTION_NAME = "generic Starlite request"
class SentryStarliteASGIMiddleware(SentryAsgiMiddleware):
def __init__(self, app: "ASGIApp"):
super().__init__(
app=app,
unsafe_context_data=False,
transaction_style="endpoint",
mechanism_type="asgi",
)
class StarliteIntegration(Integration):
identifier = "starlite"
@staticmethod
def setup_once() -> None:
patch_app_init()
patch_middlewares()
patch_http_route_handle()
def patch_app_init() -> None:
"""
Replaces the Starlite class's `__init__` function in order to inject `after_exception` handlers and set the
`SentryStarliteASGIMiddleware` as the outmost middleware in the stack.
See:
- https://starlite-api.github.io/starlite/usage/0-the-starlite-app/5-application-hooks/#after-exception
- https://starlite-api.github.io/starlite/usage/7-middleware/0-middleware-intro/
"""
old__init__ = Starlite.__init__
def injection_wrapper(self: "Starlite", *args: "Any", **kwargs: "Any") -> None:
after_exception = kwargs.pop("after_exception", [])
kwargs.update(
after_exception=[
exception_handler,
*(
after_exception
if isinstance(after_exception, list)
else [after_exception]
),
]
)
SentryStarliteASGIMiddleware.__call__ = SentryStarliteASGIMiddleware._run_asgi3
middleware = kwargs.pop("middleware", None) or []
kwargs["middleware"] = [SentryStarliteASGIMiddleware, *middleware]
old__init__(self, *args, **kwargs)
Starlite.__init__ = injection_wrapper
def patch_middlewares() -> None:
old__resolve_middleware_stack = BaseRouteHandler.resolve_middleware
def resolve_middleware_wrapper(self: "Any") -> "List[Middleware]":
return [
enable_span_for_middleware(middleware)
for middleware in old__resolve_middleware_stack(self)
]
BaseRouteHandler.resolve_middleware = resolve_middleware_wrapper
def enable_span_for_middleware(middleware: "Middleware") -> "Middleware":
if (
not hasattr(middleware, "__call__") # noqa: B004
or middleware is SentryStarliteASGIMiddleware
):
return middleware
if isinstance(middleware, DefineMiddleware):
old_call: "ASGIApp" = middleware.middleware.__call__
else:
old_call = middleware.__call__
async def _create_span_call(
self: "MiddlewareProtocol", scope: "Scope", receive: "Receive", send: "Send"
) -> None:
hub = Hub.current
integration = hub.get_integration(StarliteIntegration)
if integration is not None:
middleware_name = self.__class__.__name__
with hub.start_span(
op=OP.MIDDLEWARE_STARLITE, description=middleware_name
) as middleware_span:
middleware_span.set_tag("starlite.middleware_name", middleware_name)
# Creating spans for the "receive" callback
async def _sentry_receive(
*args: "Any", **kwargs: "Any"
) -> "Union[HTTPReceiveMessage, WebSocketReceiveMessage]":
hub = Hub.current
with hub.start_span(
op=OP.MIDDLEWARE_STARLITE_RECEIVE,
description=getattr(receive, "__qualname__", str(receive)),
) as span:
span.set_tag("starlite.middleware_name", middleware_name)
return await receive(*args, **kwargs)
receive_name = getattr(receive, "__name__", str(receive))
receive_patched = receive_name == "_sentry_receive"
new_receive = _sentry_receive if not receive_patched else receive
# Creating spans for the "send" callback
async def _sentry_send(message: "Message") -> None:
hub = Hub.current
with hub.start_span(
op=OP.MIDDLEWARE_STARLITE_SEND,
description=getattr(send, "__qualname__", str(send)),
) as span:
span.set_tag("starlite.middleware_name", middleware_name)
return await send(message)
send_name = getattr(send, "__name__", str(send))
send_patched = send_name == "_sentry_send"
new_send = _sentry_send if not send_patched else send
return await old_call(self, scope, new_receive, new_send)
else:
return await old_call(self, scope, receive, send)
not_yet_patched = old_call.__name__ not in ["_create_span_call"]
if not_yet_patched:
if isinstance(middleware, DefineMiddleware):
middleware.middleware.__call__ = _create_span_call
else:
middleware.__call__ = _create_span_call
return middleware
def patch_http_route_handle() -> None:
old_handle = HTTPRoute.handle
async def handle_wrapper(
self: "HTTPRoute", scope: "HTTPScope", receive: "Receive", send: "Send"
) -> None:
hub = Hub.current
integration: StarliteIntegration = hub.get_integration(StarliteIntegration)
if integration is None:
return await old_handle(self, scope, receive, send)
with hub.configure_scope() as sentry_scope:
request: "Request[Any, Any]" = scope["app"].request_class(
scope=scope, receive=receive, send=send
)
extracted_request_data = ConnectionDataExtractor(
parse_body=True, parse_query=True
)(request)
body = extracted_request_data.pop("body")
request_data = await body
def event_processor(event: "Event", _: "Dict[str, Any]") -> "Event":
route_handler = scope.get("route_handler")
request_info = event.get("request", {})
request_info["content_length"] = len(scope.get("_body", b""))
if _should_send_default_pii():
request_info["cookies"] = extracted_request_data["cookies"]
if request_data is not None:
request_info["data"] = request_data
func = None
if route_handler.name is not None:
tx_name = route_handler.name
elif isinstance(route_handler.fn, Ref):
func = route_handler.fn.value
else:
func = route_handler.fn
if func is not None:
tx_name = transaction_from_function(func)
tx_info = {"source": SOURCE_FOR_STYLE["endpoint"]}
if not tx_name:
tx_name = _DEFAULT_TRANSACTION_NAME
tx_info = {"source": TRANSACTION_SOURCE_ROUTE}
event.update(
request=request_info, transaction=tx_name, transaction_info=tx_info
)
return event
sentry_scope._name = StarliteIntegration.identifier
sentry_scope.add_event_processor(event_processor)
return await old_handle(self, scope, receive, send)
HTTPRoute.handle = handle_wrapper
def retrieve_user_from_scope(scope: "Scope") -> "Optional[Dict[str, Any]]":
scope_user = scope.get("user", {})
if not scope_user:
return None
if isinstance(scope_user, dict):
return scope_user
if isinstance(scope_user, BaseModel):
return scope_user.dict()
if hasattr(scope_user, "asdict"): # dataclasses
return scope_user.asdict()
plugin = get_plugin_for_value(scope_user)
if plugin and not is_async_callable(plugin.to_dict):
return plugin.to_dict(scope_user)
return None
def exception_handler(exc: Exception, scope: "Scope", _: "State") -> None:
hub = Hub.current
if hub.get_integration(StarliteIntegration) is None:
return
user_info: "Optional[Dict[str, Any]]" = None
if _should_send_default_pii():
user_info = retrieve_user_from_scope(scope)
if user_info and isinstance(user_info, dict):
with hub.configure_scope() as sentry_scope:
sentry_scope.set_user(user_info)
event, hint = event_from_exception(
exc,
client_options=hub.client.options if hub.client else None,
mechanism={"type": StarliteIntegration.identifier, "handled": False},
)
hub.capture_event(event, hint=hint)
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