--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/web/lib/django/core/handlers/modpython.py Wed Jan 20 00:34:04 2010 +0100
@@ -0,0 +1,228 @@
+import os
+from pprint import pformat
+
+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
+
+# 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
+
+ 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 _load_post_and_files(self):
+ "Populates self._post and self._files"
+ if self.method != 'POST':
+ self._post, self._files = http.QueryDict('', encoding=self._encoding), datastructures.MultiValueDict()
+ return
+
+ if 'content-type' in self._req.headers_in and self._req.headers_in['content-type'].startswith('multipart'):
+ self._raw_post_data = ''
+ try:
+ self._post, self._files = self.parse_file_upload(self.META, self._req)
+ except:
+ # See django.core.handlers.wsgi.WSGIHandler for an explanation
+ # of what's going on here.
+ self._post = http.QueryDict('')
+ self._files = datastructures.MultiValueDict()
+ self._post_parse_error = True
+ raise
+ else:
+ self._post, self._files = http.QueryDict(self.raw_post_data, encoding=self._encoding), datastructures.MultiValueDict()
+
+ 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_raw_post_data(self):
+ try:
+ return self._raw_post_data
+ except AttributeError:
+ self._raw_post_data = self._req.read()
+ return self._raw_post_data
+
+ 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)
+ raw_post_data = property(_get_raw_post_data)
+ method = property(_get_method)
+
+class ModPythonHandler(BaseHandler):
+ request_class = ModPythonRequest
+
+ def __call__(self, req):
+ # 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:
+ response = http.HttpResponseBadRequest()
+ else:
+ response = self.get_response(request)
+
+ # Apply response middleware
+ for middleware_method in self._response_middleware:
+ response = middleware_method(request, response)
+ response = self.apply_response_fixes(request, response)
+ 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)