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import sys
import weakref
from sentry_sdk._compat import reraise
from sentry_sdk.hub import Hub
from sentry_sdk.integrations import Integration, DidNotEnable
from sentry_sdk.integrations.logging import ignore_logger
from sentry_sdk.integrations._wsgi_common import (
_filter_headers,
request_body_within_bounds,
)
from sentry_sdk.tracing import Transaction
from sentry_sdk.utils import (
capture_internal_exceptions,
event_from_exception,
transaction_from_function,
HAS_REAL_CONTEXTVARS,
CONTEXTVARS_ERROR_MESSAGE,
AnnotatedValue,
)
try:
import asyncio
from aiohttp import __version__ as AIOHTTP_VERSION
from aiohttp.web import Application, HTTPException, UrlDispatcher
except ImportError:
raise DidNotEnable("AIOHTTP not installed")
from sentry_sdk._types import MYPY
if MYPY:
from aiohttp.web_request import Request
from aiohttp.abc import AbstractMatchInfo
from typing import Any
from typing import Dict
from typing import Optional
from typing import Tuple
from typing import Callable
from typing import Union
from sentry_sdk.utils import ExcInfo
from sentry_sdk._types import EventProcessor
TRANSACTION_STYLE_VALUES = ("handler_name", "method_and_path_pattern")
class AioHttpIntegration(Integration):
identifier = "aiohttp"
def __init__(self, transaction_style="handler_name"):
# type: (str) -> None
if transaction_style not in TRANSACTION_STYLE_VALUES:
raise ValueError(
"Invalid value for transaction_style: %s (must be in %s)"
% (transaction_style, TRANSACTION_STYLE_VALUES)
)
self.transaction_style = transaction_style
@staticmethod
def setup_once():
# type: () -> None
try:
version = tuple(map(int, AIOHTTP_VERSION.split(".")[:2]))
except (TypeError, ValueError):
raise DidNotEnable(
"AIOHTTP version unparseable: {}".format(AIOHTTP_VERSION)
)
if version < (3, 4):
raise DidNotEnable("AIOHTTP 3.4 or newer required.")
if not HAS_REAL_CONTEXTVARS:
# We better have contextvars or we're going to leak state between
# requests.
raise DidNotEnable(
"The aiohttp integration for Sentry requires Python 3.7+ "
" or aiocontextvars package." + CONTEXTVARS_ERROR_MESSAGE
)
ignore_logger("aiohttp.server")
old_handle = Application._handle
async def sentry_app_handle(self, request, *args, **kwargs):
# type: (Any, Request, *Any, **Any) -> Any
hub = Hub.current
if hub.get_integration(AioHttpIntegration) is None:
return await old_handle(self, request, *args, **kwargs)
weak_request = weakref.ref(request)
with Hub(Hub.current) as hub:
# Scope data will not leak between requests because aiohttp
# create a task to wrap each request.
with hub.configure_scope() as scope:
scope.clear_breadcrumbs()
scope.add_event_processor(_make_request_processor(weak_request))
transaction = Transaction.continue_from_headers(
request.headers,
op="http.server",
# If this transaction name makes it to the UI, AIOHTTP's
# URL resolver did not find a route or died trying.
name="generic AIOHTTP request",
)
with hub.start_transaction(
transaction, custom_sampling_context={"aiohttp_request": request}
):
try:
response = await old_handle(self, request)
except HTTPException as e:
transaction.set_http_status(e.status_code)
raise
except asyncio.CancelledError:
transaction.set_status("cancelled")
raise
except Exception:
# This will probably map to a 500 but seems like we
# have no way to tell. Do not set span status.
reraise(*_capture_exception(hub))
transaction.set_http_status(response.status)
return response
Application._handle = sentry_app_handle
old_urldispatcher_resolve = UrlDispatcher.resolve
async def sentry_urldispatcher_resolve(self, request):
# type: (UrlDispatcher, Request) -> AbstractMatchInfo
rv = await old_urldispatcher_resolve(self, request)
hub = Hub.current
integration = hub.get_integration(AioHttpIntegration)
name = None
try:
if integration.transaction_style == "handler_name":
name = transaction_from_function(rv.handler)
elif integration.transaction_style == "method_and_path_pattern":
route_info = rv.get_info()
pattern = route_info.get("path") or route_info.get("formatter")
name = "{} {}".format(request.method, pattern)
except Exception:
pass
if name is not None:
with Hub.current.configure_scope() as scope:
scope.transaction = name
return rv
UrlDispatcher.resolve = sentry_urldispatcher_resolve
def _make_request_processor(weak_request):
# type: (Callable[[], Request]) -> EventProcessor
def aiohttp_processor(
event, # type: Dict[str, Any]
hint, # type: Dict[str, Tuple[type, BaseException, Any]]
):
# type: (...) -> Dict[str, Any]
request = weak_request()
if request is None:
return event
with capture_internal_exceptions():
request_info = event.setdefault("request", {})
request_info["url"] = "%s://%s%s" % (
request.scheme,
request.host,
request.path,
)
request_info["query_string"] = request.query_string
request_info["method"] = request.method
request_info["env"] = {"REMOTE_ADDR": request.remote}
hub = Hub.current
request_info["headers"] = _filter_headers(dict(request.headers))
# Just attach raw data here if it is within bounds, if available.
# Unfortunately there's no way to get structured data from aiohttp
# without awaiting on some coroutine.
request_info["data"] = get_aiohttp_request_data(hub, request)
return event
return aiohttp_processor
def _capture_exception(hub):
# type: (Hub) -> ExcInfo
exc_info = sys.exc_info()
event, hint = event_from_exception(
exc_info,
client_options=hub.client.options, # type: ignore
mechanism={"type": "aiohttp", "handled": False},
)
hub.capture_event(event, hint=hint)
return exc_info
BODY_NOT_READ_MESSAGE = "[Can't show request body due to implementation details.]"
def get_aiohttp_request_data(hub, request):
# type: (Hub, Request) -> Union[Optional[str], AnnotatedValue]
bytes_body = request._read_bytes
if bytes_body is not None:
# we have body to show
if not request_body_within_bounds(hub.client, len(bytes_body)):
return AnnotatedValue(
"",
{"rem": [["!config", "x", 0, len(bytes_body)]], "len": len(bytes_body)},
)
encoding = request.charset or "utf-8"
return bytes_body.decode(encoding, "replace")
if request.can_read_body:
# body exists but we can't show it
return BODY_NOT_READ_MESSAGE
# request has no body
return None