"""
raven.contrib.django.middleware
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
:copyright: (c) 2010-2012 by the Sentry Team, see AUTHORS for more details.
:license: BSD, see LICENSE for more details.
"""
from __future__ import absolute_import
import logging
import threading
from django.conf import settings
from django.core.signals import request_finished
try:
# Django >= 1.10
from django.utils.deprecation import MiddlewareMixin
except ImportError:
# Not required for Django <= 1.9, see:
# https://docs.djangoproject.com/en/1.10/topics/http/middleware/#upgrading-pre-django-1-10-style-middleware
MiddlewareMixin = object
def is_ignorable_404(uri):
"""
Returns True if a 404 at the given URL *shouldn't* notify the site managers.
"""
return any(
pattern.search(uri)
for pattern in getattr(settings, 'IGNORABLE_404_URLS', ())
)
class Sentry404CatchMiddleware(MiddlewareMixin):
def process_response(self, request, response):
if response.status_code != 404:
return response
if is_ignorable_404(request.get_full_path()):
return response
from raven.contrib.django.models import client
if not client.is_enabled():
return response
data = client.get_data_from_request(request)
data.update({
'level': logging.INFO,
'logger': 'http404',
})
result = client.captureMessage(message='Page Not Found: %s' % request.build_absolute_uri(), data=data)
if not result:
return
request.sentry = {
'project_id': data.get('project', client.remote.project),
'id': client.get_ident(result),
}
return response
# sentry_exception_handler(sender=Sentry404CatchMiddleware, request=request)
class SentryResponseErrorIdMiddleware(MiddlewareMixin):
"""
Appends the X-Sentry-ID response header for referencing a message within
the Sentry datastore.
"""
def process_response(self, request, response):
if not getattr(request, 'sentry', None):
return response
response['X-Sentry-ID'] = request.sentry['id']
return response
class SentryMiddleware(MiddlewareMixin):
thread = threading.local()
def process_request(self, request):
self._txid = None
SentryMiddleware.thread.request = request
# we utilize request_finished as the exception gets reported
# *after* process_response is executed, and thus clearing the
# transaction there would leave it empty
# XXX(dcramer): weakref's cause a threading issue in certain
# versions of Django (e.g. 1.6). While they'd be ideal, we're under
# the assumption that Django will always call our function except
# in the situation of a process or thread dying.
request_finished.connect(self.request_finished, weak=False)
def process_view(self, request, func, args, kwargs):
from raven.contrib.django.models import client
try:
self._txid = client.transaction.push(
client.get_transaction_from_request(request)
)
except Exception as exc:
client.error_logger.exception(repr(exc), extra={'request': request})
return None
def request_finished(self, **kwargs):
from raven.contrib.django.models import client
if getattr(self, '_txid', None):
client.transaction.pop(self._txid)
self._txid = None
SentryMiddleware.thread.request = None
request_finished.disconnect(self.request_finished)
SentryLogMiddleware = SentryMiddleware
class DjangoRestFrameworkCompatMiddleware(MiddlewareMixin):
non_cacheable_types = (
'application/x-www-form-urlencoded',
'multipart/form-data',
'application/octet-stream'
)
def process_request(self, request):
"""
Access request.body, otherwise it might not be accessible later
after request has been read/streamed
"""
content_type = request.META.get('CONTENT_TYPE', '')
for non_cacheable_type in self.non_cacheable_types:
if non_cacheable_type in content_type:
return
request.body # forces stream to be read into memory
|