import os 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, iri_to_uri from django.utils.log import getLogger logger = getLogger('django.request') 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 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)