#23398: Attempting to access a manage.py runserver instance over HTTPS raises
UnicodeDecodeError
-------------------------------+--------------------
Reporter: coredumperror | Owner: nobody
Type: Bug | Status: new
Component: HTTP handling | Version: 1.6
Severity: Normal | Keywords:
Triage Stage: Unreviewed | Has patch: 0
Easy pickings: 0 | UI/UX: 0
-------------------------------+--------------------
I realize that the runserver command is not designed to function over
HTTPS, but it would be much more useful for users who ''don't'' realize
that (like the 1-hour-ago version of me) if the exception that Django
throws from HTTPS access attempts was not an apparently random
UnicodeDecodeError from the logging system.
Right now, with Django 1.6.5, attempting to access any URL on a runserver
instance over HTTPS will result in this traceback being shown multiple
times in the server console:
{{{
Traceback (most recent call last):
File
"/opt/local/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/SocketServer.py",
line 560, in process_request_thread
self.finish_request(request, client_address)
File
"/opt/local/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/SocketServer.py",
line 322, in finish_request
self.RequestHandlerClass(request, client_address, self)
File "/srv/ads/django/tmtpds/ve/lib/python2.6/site-
packages/django/core/servers/basehttp.py", line 126, in __init__
super(WSGIRequestHandler, self).__init__(*args, **kwargs)
File
"/opt/local/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/SocketServer.py",
line 617, in __init__
self.handle()
File
"/opt/local/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/wsgiref/simple_server.py",
line 131, in handle
if not self.parse_request(): # An error code has been sent, just exit
File
"/opt/local/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/BaseHTTPServer.py",
line 289, in parse_request
self.send_error(400, "Bad request syntax (%r)" % requestline)
File
"/opt/local/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/BaseHTTPServer.py",
line 357, in send_error
self.send_response(code, message)
File
"/opt/local/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/BaseHTTPServer.py",
line 374, in send_response
self.log_request(code)
File
"/opt/local/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/BaseHTTPServer.py",
line 411, in log_request
self.requestline, str(code), str(size))
File "/srv/ads/django/tmtpds/ve/lib/python2.6/site-
packages/django/core/servers/basehttp.py", line 138, in log_message
msg = "[%s] %s\n" % (self.log_date_time_string(), format % args)
UnicodeDecodeError: 'ascii' codec can't decode byte 0xcd in position 12:
ordinal not in range(128)
}}}
It's not always exactly the same byte having problems, but it's always
line 138 in `django/core/servers/basehttp.py`. The server is attempting to
log an "HTTP 400: Bad request syntax" error, but it's failing to decode
the URL from what it seems to think is unicode to ascii. From my googling,
it appears that this is happening because the browser encrypts the URL,
and runserver is getting that encrypted URL and having no idea what to do
with it.
It would be really helpful for uniformed users like my past self if this
error were reported as "You can't use HTTPS with runserver" rather than
what we're currently getting.
--
Ticket URL: <https://code.djangoproject.com/ticket/23398>
Django <https://code.djangoproject.com/>
The Web framework for perfectionists with deadlines.
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