def process_view(self, request: Request, view_func, view_args,
view_kwargs) -> Response:
if not hasattr(request, "_metric_tags"):
request._metric_tags = {}
if request.method not in self.allowed_methods:
return
view = view_func
if not inspect.isfunction(view_func):
view = view.__class__
try:
path = f"{view.__module__}.{view.__name__}"
except AttributeError:
return
if not path.startswith(self.allowed_paths):
return
request._view_path = path
request._start_time = time.time()
def dispatch(self, request: Request, *args, **kwargs) -> Response:
"""
Identical to rest framework's dispatch except we add the ability
to convert arguments (for common URL params).
"""
with sentry_sdk.start_span(op="base.dispatch.setup", description=type(self).__name__):
self.args = args
self.kwargs = kwargs
request = self.initialize_request(request, *args, **kwargs)
self.load_json_body(request)
self.request = request
self.headers = self.default_response_headers # deprecate?
# Tags that will ultimately flow into the metrics backend at the end of
# the request (happens via middleware/stats.py).
request._metric_tags = {}
start_time = time.time()
origin = request.META.get("HTTP_ORIGIN", "null")
# A "null" value should be treated as no Origin for us.
# See RFC6454 for more information on this behavior.
if origin == "null":
origin = None
try:
with sentry_sdk.start_span(op="base.dispatch.request", description=type(self).__name__):
if origin:
if request.auth:
allowed_origins = request.auth.get_allowed_origins()
else:
allowed_origins = None
if not is_valid_origin(origin, allowed=allowed_origins):
response = Response(f"Invalid origin: {origin}", status=400)
self.response = self.finalize_response(request, response, *args, **kwargs)
return self.response
self.initial(request, *args, **kwargs)
# Get the appropriate handler method
if request.method.lower() in self.http_method_names:
handler = getattr(self, request.method.lower(), self.http_method_not_allowed)
(args, kwargs) = self.convert_args(request, *args, **kwargs)
self.args = args
self.kwargs = kwargs
else:
handler = self.http_method_not_allowed
if getattr(request, "access", None) is None:
# setup default access
request.access = access.from_request(request)
with sentry_sdk.start_span(
op="base.dispatch.execute",
description=f"{type(self).__name__}.{handler.__name__}",
):
response = handler(request, *args, **kwargs)
except Exception as exc:
response = self.handle_exception(request, exc)
if origin:
self.add_cors_headers(request, response)
self.response = self.finalize_response(request, response, *args, **kwargs)
if settings.SENTRY_API_RESPONSE_DELAY:
duration = time.time() - start_time
if duration < (settings.SENTRY_API_RESPONSE_DELAY / 1000.0):
with sentry_sdk.start_span(
op="base.dispatch.sleep",
description=type(self).__name__,
) as span:
span.set_data("SENTRY_API_RESPONSE_DELAY", settings.SENTRY_API_RESPONSE_DELAY)
time.sleep(settings.SENTRY_API_RESPONSE_DELAY / 1000.0 - duration)
return self.response
