213 lines
8.0 KiB
Python
213 lines
8.0 KiB
Python
import os
|
|
from pprint import pformat
|
|
import sys
|
|
from warnings import warn
|
|
|
|
from django import http
|
|
from django.core import signals
|
|
from django.core.handlers.base import BaseHandler
|
|
from django.core.urlresolvers import set_script_prefix
|
|
from django.utils import datastructures
|
|
from django.utils.encoding import force_unicode, smart_str, iri_to_uri
|
|
from django.utils.log import getLogger
|
|
|
|
logger = getLogger('django.request')
|
|
|
|
|
|
# NOTE: do *not* import settings (or any module which eventually imports
|
|
# settings) until after ModPythonHandler has been called; otherwise os.environ
|
|
# won't be set up correctly (with respect to settings).
|
|
|
|
class ModPythonRequest(http.HttpRequest):
|
|
def __init__(self, req):
|
|
self._req = req
|
|
# FIXME: This isn't ideal. The request URI may be encoded (it's
|
|
# non-normalized) slightly differently to the "real" SCRIPT_NAME
|
|
# and PATH_INFO values. This causes problems when we compute path_info,
|
|
# below. For now, don't use script names that will be subject to
|
|
# encoding/decoding.
|
|
self.path = force_unicode(req.uri)
|
|
root = req.get_options().get('django.root', '')
|
|
self.django_root = root
|
|
# req.path_info isn't necessarily computed correctly in all
|
|
# circumstances (it's out of mod_python's control a bit), so we use
|
|
# req.uri and some string manipulations to get the right value.
|
|
if root and req.uri.startswith(root):
|
|
self.path_info = force_unicode(req.uri[len(root):])
|
|
else:
|
|
self.path_info = self.path
|
|
if not self.path_info:
|
|
# Django prefers empty paths to be '/', rather than '', to give us
|
|
# a common start character for URL patterns. So this is a little
|
|
# naughty, but also pretty harmless.
|
|
self.path_info = u'/'
|
|
self._post_parse_error = False
|
|
self._stream = self._req
|
|
self._read_started = False
|
|
|
|
def __repr__(self):
|
|
# Since this is called as part of error handling, we need to be very
|
|
# robust against potentially malformed input.
|
|
try:
|
|
get = pformat(self.GET)
|
|
except:
|
|
get = '<could not parse>'
|
|
if self._post_parse_error:
|
|
post = '<could not parse>'
|
|
else:
|
|
try:
|
|
post = pformat(self.POST)
|
|
except:
|
|
post = '<could not parse>'
|
|
try:
|
|
cookies = pformat(self.COOKIES)
|
|
except:
|
|
cookies = '<could not parse>'
|
|
try:
|
|
meta = pformat(self.META)
|
|
except:
|
|
meta = '<could not parse>'
|
|
return smart_str(u'<ModPythonRequest\npath:%s,\nGET:%s,\nPOST:%s,\nCOOKIES:%s,\nMETA:%s>' %
|
|
(self.path, unicode(get), unicode(post),
|
|
unicode(cookies), unicode(meta)))
|
|
|
|
def get_full_path(self):
|
|
# RFC 3986 requires self._req.args to be in the ASCII range, but this
|
|
# doesn't always happen, so rather than crash, we defensively encode it.
|
|
return '%s%s' % (self.path, self._req.args and ('?' + iri_to_uri(self._req.args)) or '')
|
|
|
|
def is_secure(self):
|
|
try:
|
|
return self._req.is_https()
|
|
except AttributeError:
|
|
# mod_python < 3.2.10 doesn't have req.is_https().
|
|
return self._req.subprocess_env.get('HTTPS', '').lower() in ('on', '1')
|
|
|
|
def _get_request(self):
|
|
if not hasattr(self, '_request'):
|
|
self._request = datastructures.MergeDict(self.POST, self.GET)
|
|
return self._request
|
|
|
|
def _get_get(self):
|
|
if not hasattr(self, '_get'):
|
|
self._get = http.QueryDict(self._req.args, encoding=self._encoding)
|
|
return self._get
|
|
|
|
def _set_get(self, get):
|
|
self._get = get
|
|
|
|
def _get_post(self):
|
|
if not hasattr(self, '_post'):
|
|
self._load_post_and_files()
|
|
return self._post
|
|
|
|
def _set_post(self, post):
|
|
self._post = post
|
|
|
|
def _get_cookies(self):
|
|
if not hasattr(self, '_cookies'):
|
|
self._cookies = http.parse_cookie(self._req.headers_in.get('cookie', ''))
|
|
return self._cookies
|
|
|
|
def _set_cookies(self, cookies):
|
|
self._cookies = cookies
|
|
|
|
def _get_files(self):
|
|
if not hasattr(self, '_files'):
|
|
self._load_post_and_files()
|
|
return self._files
|
|
|
|
def _get_meta(self):
|
|
"Lazy loader that returns self.META dictionary"
|
|
if not hasattr(self, '_meta'):
|
|
self._meta = {
|
|
'AUTH_TYPE': self._req.ap_auth_type,
|
|
'CONTENT_LENGTH': self._req.headers_in.get('content-length', 0),
|
|
'CONTENT_TYPE': self._req.headers_in.get('content-type'),
|
|
'GATEWAY_INTERFACE': 'CGI/1.1',
|
|
'PATH_INFO': self.path_info,
|
|
'PATH_TRANSLATED': None, # Not supported
|
|
'QUERY_STRING': self._req.args,
|
|
'REMOTE_ADDR': self._req.connection.remote_ip,
|
|
'REMOTE_HOST': None, # DNS lookups not supported
|
|
'REMOTE_IDENT': self._req.connection.remote_logname,
|
|
'REMOTE_USER': self._req.user,
|
|
'REQUEST_METHOD': self._req.method,
|
|
'SCRIPT_NAME': self.django_root,
|
|
'SERVER_NAME': self._req.server.server_hostname,
|
|
'SERVER_PORT': self._req.connection.local_addr[1],
|
|
'SERVER_PROTOCOL': self._req.protocol,
|
|
'SERVER_SOFTWARE': 'mod_python'
|
|
}
|
|
for key, value in self._req.headers_in.items():
|
|
key = 'HTTP_' + key.upper().replace('-', '_')
|
|
self._meta[key] = value
|
|
return self._meta
|
|
|
|
def _get_method(self):
|
|
return self.META['REQUEST_METHOD'].upper()
|
|
|
|
GET = property(_get_get, _set_get)
|
|
POST = property(_get_post, _set_post)
|
|
COOKIES = property(_get_cookies, _set_cookies)
|
|
FILES = property(_get_files)
|
|
META = property(_get_meta)
|
|
REQUEST = property(_get_request)
|
|
method = property(_get_method)
|
|
|
|
class ModPythonHandler(BaseHandler):
|
|
request_class = ModPythonRequest
|
|
|
|
def __call__(self, req):
|
|
warn(('The mod_python handler is deprecated; use a WSGI or FastCGI server instead.'),
|
|
DeprecationWarning)
|
|
|
|
# mod_python fakes the environ, and thus doesn't process SetEnv. This fixes that
|
|
os.environ.update(req.subprocess_env)
|
|
|
|
# now that the environ works we can see the correct settings, so imports
|
|
# that use settings now can work
|
|
from django.conf import settings
|
|
|
|
# if we need to set up middleware, now that settings works we can do it now.
|
|
if self._request_middleware is None:
|
|
self.load_middleware()
|
|
|
|
set_script_prefix(req.get_options().get('django.root', ''))
|
|
signals.request_started.send(sender=self.__class__)
|
|
try:
|
|
try:
|
|
request = self.request_class(req)
|
|
except UnicodeDecodeError:
|
|
logger.warning('Bad Request (UnicodeDecodeError)',
|
|
exc_info=sys.exc_info(),
|
|
extra={
|
|
'status_code': 400,
|
|
}
|
|
)
|
|
response = http.HttpResponseBadRequest()
|
|
else:
|
|
response = self.get_response(request)
|
|
finally:
|
|
signals.request_finished.send(sender=self.__class__)
|
|
|
|
# Convert our custom HttpResponse object back into the mod_python req.
|
|
req.content_type = response['Content-Type']
|
|
for key, value in response.items():
|
|
if key != 'content-type':
|
|
req.headers_out[str(key)] = str(value)
|
|
for c in response.cookies.values():
|
|
req.headers_out.add('Set-Cookie', c.output(header=''))
|
|
req.status = response.status_code
|
|
try:
|
|
for chunk in response:
|
|
req.write(chunk)
|
|
finally:
|
|
response.close()
|
|
|
|
return 0 # mod_python.apache.OK
|
|
|
|
def handler(req):
|
|
# mod_python hooks into this function.
|
|
return ModPythonHandler()(req)
|