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# -*- coding: utf-8 -*-
"""
raven.contrib.django.client
~~~~~~~~~~~~~~~~~~~~~~~~~~~~
: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 time
import logging
from django import VERSION as DJANGO_VERSION
from django.conf import settings
from django.core.exceptions import SuspiciousOperation
from django.http import HttpRequest
from django.template import TemplateSyntaxError
from django.utils.datastructures import MultiValueDict
try:
# support Django 1.9
from django.template.base import Origin
except ImportError:
# backward compatibility
from django.template.loader import LoaderOrigin as Origin
from raven.base import Client
from raven.contrib.django.utils import get_data_from_template, get_host
from raven.contrib.django.middleware import SentryMiddleware
from raven.utils.compat import string_types, binary_type, iterlists
from raven.contrib.django.resolver import RouteResolver
from raven.utils.wsgi import get_headers, get_environ, get_client_ip
from raven.utils import once
from raven import breadcrumbs
__all__ = ('DjangoClient',)
if DJANGO_VERSION < (1, 10):
def is_authenticated(request_user):
return request_user.is_authenticated()
else:
def is_authenticated(request_user):
return request_user.is_authenticated
class _FormatConverter(object):
def __init__(self, param_mapping):
self.param_mapping = param_mapping
self.params = []
def __getitem__(self, val):
self.params.append(self.param_mapping.get(val))
return '%s'
def format_sql(sql, params):
rv = []
if isinstance(params, dict):
conv = _FormatConverter(params)
if params:
sql = sql % conv
params = conv.params
else:
params = ()
for param in params or ():
if param is None:
rv.append('NULL')
elif isinstance(param, string_types):
if isinstance(param, binary_type):
param = param.decode('utf-8', 'replace')
if len(param) > 256:
param = param[:256] + u'…'
rv.append("'%s'" % param.replace("'", "''"))
else:
rv.append(repr(param))
return sql, rv
@once
def install_sql_hook():
"""If installed this causes Django's queries to be captured."""
try:
from django.db.backends.utils import CursorWrapper
except ImportError:
from django.db.backends.util import CursorWrapper
try:
real_execute = CursorWrapper.execute
real_executemany = CursorWrapper.executemany
except AttributeError:
# XXX(mitsuhiko): On some very old django versions (<1.6) this
# trickery would have to look different but I can't be bothered.
return
def record_sql(vendor, alias, start, duration, sql, params):
def processor(data):
real_sql, real_params = format_sql(sql, params)
if real_params:
real_sql = real_sql % tuple(real_params)
# maybe category to 'django.%s.%s' % (vendor, alias or
# 'default') ?
data.update({
'message': real_sql,
'category': 'query',
})
breadcrumbs.record(processor=processor)
def record_many_sql(vendor, alias, start, sql, param_list):
duration = time.time() - start
for params in param_list:
record_sql(vendor, alias, start, duration, sql, params)
def execute(self, sql, params=None):
start = time.time()
try:
return real_execute(self, sql, params)
finally:
record_sql(self.db.vendor, getattr(self.db, 'alias', None),
start, time.time() - start, sql, params)
def executemany(self, sql, param_list):
start = time.time()
try:
return real_executemany(self, sql, param_list)
finally:
record_many_sql(self.db.vendor, getattr(self.db, 'alias', None),
start, sql, param_list)
CursorWrapper.execute = execute
CursorWrapper.executemany = executemany
breadcrumbs.ignore_logger('django.db.backends')
class DjangoClient(Client):
logger = logging.getLogger('sentry.errors.client.django')
resolver = RouteResolver()
def __init__(self, *args, **kwargs):
install_sql_hook = kwargs.pop('install_sql_hook', True)
Client.__init__(self, *args, **kwargs)
if install_sql_hook:
self.install_sql_hook()
def install_sql_hook(self):
install_sql_hook()
def get_user_info(self, request):
user_info = {
'ip_address': get_client_ip(request.META),
}
user = getattr(request, 'user', None)
if user is None:
return user_info
try:
authenticated = is_authenticated(user)
if not authenticated:
return user_info
user_info['id'] = user.pk
if hasattr(user, 'email'):
user_info['email'] = user.email
if hasattr(user, 'get_username'):
user_info['username'] = user.get_username()
elif hasattr(user, 'username'):
user_info['username'] = user.username
except Exception:
# We expect that user objects can be somewhat broken at times
# and try to just handle as much as possible and ignore errors
# as good as possible here.
pass
return user_info
def get_data_from_request(self, request):
result = {}
result['user'] = self.get_user_info(request)
try:
uri = request.build_absolute_uri()
except SuspiciousOperation:
# attempt to build a URL for reporting as Django won't allow us to
# use get_host()
if request.is_secure():
scheme = 'https'
else:
scheme = 'http'
host = get_host(request)
uri = '%s://%s%s' % (scheme, host, request.path)
if request.method not in ('GET', 'HEAD'):
try:
data = request.body
except Exception:
try:
data = request.raw_post_data
except Exception:
# assume we had a partial read.
try:
data = request.POST or '<unavailable>'
except Exception:
data = '<unavailable>'
else:
if isinstance(data, MultiValueDict):
data = dict(
(k, v[0] if len(v) == 1 else v)
for k, v in iterlists(data))
else:
data = None
environ = request.META
result.update({
'request': {
'method': request.method,
'url': uri,
'query_string': request.META.get('QUERY_STRING'),
'data': data,
'cookies': dict(request.COOKIES),
'headers': dict(get_headers(environ)),
'env': dict(get_environ(environ)),
}
})
return result
def build_msg(self, *args, **kwargs):
data = super(DjangoClient, self).build_msg(*args, **kwargs)
for frame in self._iter_frames(data):
module = frame.get('module')
if not module:
continue
if module.startswith('django.'):
frame['in_app'] = False
if not self.site and 'django.contrib.sites' in settings.INSTALLED_APPS:
try:
from django.contrib.sites.models import Site
site = Site.objects.get_current()
site_name = site.name or site.domain
data['tags'].setdefault('site', site_name)
except Exception:
# Database error? Fallback to the id
try:
data['tags'].setdefault('site', settings.SITE_ID)
except AttributeError:
# SITE_ID wasn't set, so just ignore
pass
return data
def capture(self, event_type, request=None, **kwargs):
if 'data' not in kwargs:
kwargs['data'] = data = {}
else:
data = kwargs['data']
if request is None:
request = getattr(SentryMiddleware.thread, 'request', None)
is_http_request = isinstance(request, HttpRequest)
if is_http_request:
data.update(self.get_data_from_request(request))
if kwargs.get('exc_info'):
exc_value = kwargs['exc_info'][1]
# As of r16833 (Django) all exceptions may contain a
# ``django_template_source`` attribute (rather than the legacy
# ``TemplateSyntaxError.source`` check) which describes
# template information. As of Django 1.9 or so the new
# template debug thing showed up.
if hasattr(exc_value, 'django_template_source') or \
((isinstance(exc_value, TemplateSyntaxError) and
isinstance(getattr(exc_value, 'source', None),
(tuple, list)) and
isinstance(exc_value.source[0], Origin))) or \
hasattr(exc_value, 'template_debug'):
source = getattr(exc_value, 'django_template_source',
getattr(exc_value, 'source', None))
debug = getattr(exc_value, 'template_debug', None)
if source is None:
self.logger.info('Unable to get template source from exception')
data.update(get_data_from_template(source, debug))
result = super(DjangoClient, self).capture(event_type, **kwargs)
if is_http_request and result:
# attach the sentry object to the request
request.sentry = {
'project_id': data.get('project', self.remote.project),
'id': result,
}
return result
def get_transaction_from_request(self, request):
return self.resolver.resolve(request.path)