[Django] #26669: UnicodeDecodeError with non-ASCII string in 'Content-Type' header
Django
-------------------------+-------------------------------------------------
Reporter: karech | Owner: nobody
Type: Bug | Status: new
Component: HTTP | Version: 1.8
handling | Keywords: UnicodeDecodeError request META
Severity: Normal | CONTENT_TYPE Content-Type
Triage Stage: | Has patch: 0
Unreviewed |
Easy pickings: 0 | UI/UX: 0
-------------------------+-------------------------------------------------
If someone sends POST request with headers containing non-ASCII value for
'Content-Type', then django raises UnicodeDecodeError.
{{{#!python
Traceback (most recent call last):
File "/usr/lib/python2.7/wsgiref/handlers.py", line 85, in run
self.result = application(self.environ, self.start_response)
File "/usr/lib/python2.7/site-
packages/django/contrib/staticfiles/handlers.py", line 63, in __call__
return self.application(environ, start_response)
File "/usr/lib/python2.7/site-packages/django/core/handlers/wsgi.py",
line 189, in __call__
response = self.get_response(request)
File "/usr/lib/python2.7/site-packages/django/core/handlers/base.py",
line 218, in get_response
response = self.handle_uncaught_exception(request, resolver,
sys.exc_info())
File "/usr/lib/python2.7/site-packages/django/core/handlers/base.py",
line 261, in handle_uncaught_exception
return debug.technical_500_response(request, *exc_info)
File "/usr/lib/python2.7/site-packages/django/views/debug.py", line 97,
in technical_500_response
html = reporter.get_traceback_html()
File "/usr/lib/python2.7/site-packages/django/views/debug.py", line 383,
in get_traceback_html
c = Context(self.get_traceback_data(), use_l10n=False)
File "/usr/lib/python2.7/site-packages/django/views/debug.py", line 328,
in get_traceback_data
frames = self.get_traceback_frames()
File "/usr/lib/python2.7/site-packages/django/views/debug.py", line 501,
in get_traceback_frames
'vars': self.filter.get_traceback_frame_variables(self.request,
tb.tb_frame),
File "/usr/lib/python2.7/site-packages/django/views/debug.py", line 234,
in get_traceback_frame_variables
cleansed[name] = self.cleanse_special_types(request, value)
File "/usr/lib/python2.7/site-packages/django/views/debug.py", line 191,
in cleanse_special_types
value = self.get_request_repr(value)
File "/usr/lib/python2.7/site-packages/django/views/debug.py", line 122,
in get_request_repr
return build_request_repr(request,
POST_override=self.get_post_parameters(request))
File "/usr/lib/python2.7/site-packages/django/views/debug.py", line 186,
in get_post_parameters
return request.POST
File "/usr/lib/python2.7/site-packages/django/core/handlers/wsgi.py",
line 137, in _get_post
self._load_post_and_files()
File "/usr/lib/python2.7/site-packages/django/http/request.py", line
253, in _load_post_and_files
if self.META.get('CONTENT_TYPE', '').startswith('multipart/form-
data'):
UnicodeDecodeError: 'ascii' codec can't decode byte 0xd0 in position 0:
ordinal not in range(128)
}}}
How reproduce:
{{{#!python
import requests
url = 'http://somesite.com/view_with_post_method'
headers = {'Content-Type': b'\xf0'}
requests.post(url, headers=headers)
}}}
--
Ticket URL: <https://code.djangoproject.com/ticket/26669>
Django <https://code.djangoproject.com/>
The Web framework for perfectionists with deadlines.
Django
Reporter: karech | Owner: nobody
Type: Bug | Status: closed
Component: HTTP handling | Version: 1.8
Severity: Normal | Resolution:
Keywords: UnicodeDecodeError | worksforme
request META CONTENT_TYPE | Triage Stage:
Content-Type | Unreviewed
Has patch: 0 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 0 | UI/UX: 0
Changes (by timgraham):
* status: new => closed
* needs_better_patch: => 0
* resolution: => worksforme
* needs_tests: => 0
* needs_docs: => 0
Comment:
Perhaps there's something missing in the report but I can't reproduce a
crash. Perhaps you could provide a test for Django's test suite instead?
--
Ticket URL: <https://code.djangoproject.com/ticket/26669#comment:1>