author | Sverre Rabbelier <srabbelier@gmail.com> |
Sun, 15 Mar 2009 13:36:14 +0000 | |
changeset 1865 | f00720cddea0 |
parent 323 | ff1a9aa48cfd |
permissions | -rw-r--r-- |
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1 |
import os |
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2 |
from pprint import pformat |
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3 |
|
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4 |
from django import http |
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5 |
from django.core import signals |
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6 |
from django.core.handlers.base import BaseHandler |
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from django.core.urlresolvers import set_script_prefix |
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from django.utils import datastructures |
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9 |
from django.utils.encoding import force_unicode, smart_str, iri_to_uri |
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10 |
|
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11 |
# NOTE: do *not* import settings (or any module which eventually imports |
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12 |
# settings) until after ModPythonHandler has been called; otherwise os.environ |
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13 |
# won't be set up correctly (with respect to settings). |
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14 |
|
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15 |
class ModPythonRequest(http.HttpRequest): |
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16 |
def __init__(self, req): |
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self._req = req |
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# FIXME: This isn't ideal. The request URI may be encoded (it's |
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# non-normalized) slightly differently to the "real" SCRIPT_NAME |
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# and PATH_INFO values. This causes problems when we compute path_info, |
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# below. For now, don't use script names that will be subject to |
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22 |
# encoding/decoding. |
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self.path = force_unicode(req.uri) |
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24 |
root = req.get_options().get('django.root', '') |
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self.django_root = root |
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26 |
# req.path_info isn't necessarily computed correctly in all |
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# circumstances (it's out of mod_python's control a bit), so we use |
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# req.uri and some string manipulations to get the right value. |
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if root and req.uri.startswith(root): |
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self.path_info = force_unicode(req.uri[len(root):]) |
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else: |
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32 |
self.path_info = self.path |
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if not self.path_info: |
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# Django prefers empty paths to be '/', rather than '', to give us |
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# a common start character for URL patterns. So this is a little |
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36 |
# naughty, but also pretty harmless. |
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37 |
self.path_info = u'/' |
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38 |
self._post_parse_error = False |
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39 |
|
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def __repr__(self): |
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# Since this is called as part of error handling, we need to be very |
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42 |
# robust against potentially malformed input. |
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43 |
try: |
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get = pformat(self.GET) |
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45 |
except: |
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46 |
get = '<could not parse>' |
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47 |
if self._post_parse_error: |
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48 |
post = '<could not parse>' |
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49 |
else: |
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50 |
try: |
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51 |
post = pformat(self.POST) |
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52 |
except: |
ff1a9aa48cfd
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53 |
post = '<could not parse>' |
54
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54 |
try: |
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55 |
cookies = pformat(self.COOKIES) |
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56 |
except: |
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57 |
cookies = '<could not parse>' |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
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58 |
try: |
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59 |
meta = pformat(self.META) |
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60 |
except: |
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61 |
meta = '<could not parse>' |
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62 |
return smart_str(u'<ModPythonRequest\npath:%s,\nGET:%s,\nPOST:%s,\nCOOKIES:%s,\nMETA:%s>' % |
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63 |
(self.path, unicode(get), unicode(post), |
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64 |
unicode(cookies), unicode(meta))) |
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65 |
|
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66 |
def get_full_path(self): |
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67 |
# RFC 3986 requires self._req.args to be in the ASCII range, but this |
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68 |
# doesn't always happen, so rather than crash, we defensively encode it. |
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69 |
return '%s%s' % (self.path, self._req.args and ('?' + iri_to_uri(self._req.args)) or '') |
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70 |
|
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71 |
def is_secure(self): |
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72 |
try: |
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73 |
return self._req.is_https() |
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74 |
except AttributeError: |
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75 |
# mod_python < 3.2.10 doesn't have req.is_https(). |
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76 |
return self._req.subprocess_env.get('HTTPS', '').lower() in ('on', '1') |
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77 |
|
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Major reorganization of the soc svn repo, to merge into a single App Engine
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78 |
def _load_post_and_files(self): |
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79 |
"Populates self._post and self._files" |
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80 |
if self.method != 'POST': |
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81 |
self._post, self._files = http.QueryDict('', encoding=self._encoding), datastructures.MultiValueDict() |
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82 |
return |
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83 |
|
54
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84 |
if 'content-type' in self._req.headers_in and self._req.headers_in['content-type'].startswith('multipart'): |
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85 |
self._raw_post_data = '' |
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86 |
try: |
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87 |
self._post, self._files = self.parse_file_upload(self.META, self._req) |
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Load ../vendor/django into trunk/app/django.
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88 |
except: |
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|
89 |
# See django.core.handlers.wsgi.WSGIHandler for an explanation |
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90 |
# of what's going on here. |
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91 |
self._post = http.QueryDict('') |
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92 |
self._files = datastructures.MultiValueDict() |
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93 |
self._post_parse_error = True |
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94 |
raise |
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95 |
else: |
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|
96 |
self._post, self._files = http.QueryDict(self.raw_post_data, encoding=self._encoding), datastructures.MultiValueDict() |
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97 |
|
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98 |
def _get_request(self): |
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|
99 |
if not hasattr(self, '_request'): |
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100 |
self._request = datastructures.MergeDict(self.POST, self.GET) |
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Major reorganization of the soc svn repo, to merge into a single App Engine
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101 |
return self._request |
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Major reorganization of the soc svn repo, to merge into a single App Engine
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102 |
|
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Major reorganization of the soc svn repo, to merge into a single App Engine
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103 |
def _get_get(self): |
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104 |
if not hasattr(self, '_get'): |
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105 |
self._get = http.QueryDict(self._req.args, encoding=self._encoding) |
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Major reorganization of the soc svn repo, to merge into a single App Engine
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106 |
return self._get |
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107 |
|
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Major reorganization of the soc svn repo, to merge into a single App Engine
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108 |
def _set_get(self, get): |
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109 |
self._get = get |
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110 |
|
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111 |
def _get_post(self): |
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112 |
if not hasattr(self, '_post'): |
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113 |
self._load_post_and_files() |
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114 |
return self._post |
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115 |
|
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116 |
def _set_post(self, post): |
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117 |
self._post = post |
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118 |
|
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119 |
def _get_cookies(self): |
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120 |
if not hasattr(self, '_cookies'): |
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121 |
self._cookies = http.parse_cookie(self._req.headers_in.get('cookie', '')) |
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122 |
return self._cookies |
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123 |
|
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124 |
def _set_cookies(self, cookies): |
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125 |
self._cookies = cookies |
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126 |
|
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127 |
def _get_files(self): |
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128 |
if not hasattr(self, '_files'): |
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129 |
self._load_post_and_files() |
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130 |
return self._files |
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131 |
|
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132 |
def _get_meta(self): |
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133 |
"Lazy loader that returns self.META dictionary" |
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134 |
if not hasattr(self, '_meta'): |
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135 |
self._meta = { |
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136 |
'AUTH_TYPE': self._req.ap_auth_type, |
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137 |
'CONTENT_LENGTH': self._req.clength, # This may be wrong |
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138 |
'CONTENT_TYPE': self._req.content_type, # This may be wrong |
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139 |
'GATEWAY_INTERFACE': 'CGI/1.1', |
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140 |
'PATH_INFO': self.path_info, |
54
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141 |
'PATH_TRANSLATED': None, # Not supported |
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142 |
'QUERY_STRING': self._req.args, |
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143 |
'REMOTE_ADDR': self._req.connection.remote_ip, |
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144 |
'REMOTE_HOST': None, # DNS lookups not supported |
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|
145 |
'REMOTE_IDENT': self._req.connection.remote_logname, |
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|
146 |
'REMOTE_USER': self._req.user, |
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147 |
'REQUEST_METHOD': self._req.method, |
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|
148 |
'SCRIPT_NAME': self.django_root, |
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149 |
'SERVER_NAME': self._req.server.server_hostname, |
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150 |
'SERVER_PORT': self._req.server.port, |
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|
151 |
'SERVER_PROTOCOL': self._req.protocol, |
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|
152 |
'SERVER_SOFTWARE': 'mod_python' |
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|
153 |
} |
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|
154 |
for key, value in self._req.headers_in.items(): |
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|
155 |
key = 'HTTP_' + key.upper().replace('-', '_') |
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|
156 |
self._meta[key] = value |
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|
157 |
return self._meta |
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|
158 |
|
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|
159 |
def _get_raw_post_data(self): |
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|
160 |
try: |
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|
161 |
return self._raw_post_data |
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|
162 |
except AttributeError: |
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|
163 |
self._raw_post_data = self._req.read() |
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|
164 |
return self._raw_post_data |
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|
165 |
|
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|
166 |
def _get_method(self): |
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|
167 |
return self.META['REQUEST_METHOD'].upper() |
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|
168 |
|
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|
169 |
GET = property(_get_get, _set_get) |
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|
170 |
POST = property(_get_post, _set_post) |
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|
171 |
COOKIES = property(_get_cookies, _set_cookies) |
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|
172 |
FILES = property(_get_files) |
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|
173 |
META = property(_get_meta) |
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|
174 |
REQUEST = property(_get_request) |
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|
175 |
raw_post_data = property(_get_raw_post_data) |
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|
176 |
method = property(_get_method) |
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|
177 |
|
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|
178 |
class ModPythonHandler(BaseHandler): |
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|
179 |
request_class = ModPythonRequest |
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|
180 |
|
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|
181 |
def __call__(self, req): |
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|
182 |
# mod_python fakes the environ, and thus doesn't process SetEnv. This fixes that |
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|
183 |
os.environ.update(req.subprocess_env) |
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|
184 |
|
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|
185 |
# now that the environ works we can see the correct settings, so imports |
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|
186 |
# that use settings now can work |
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|
187 |
from django.conf import settings |
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|
188 |
|
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|
189 |
# if we need to set up middleware, now that settings works we can do it now. |
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|
190 |
if self._request_middleware is None: |
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|
191 |
self.load_middleware() |
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|
192 |
|
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Load ../vendor/django into trunk/app/django.
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|
193 |
set_script_prefix(req.get_options().get('django.root', '')) |
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|
194 |
signals.request_started.send(sender=self.__class__) |
54
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|
195 |
try: |
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|
196 |
try: |
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|
197 |
request = self.request_class(req) |
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|
198 |
except UnicodeDecodeError: |
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|
199 |
response = http.HttpResponseBadRequest() |
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|
200 |
else: |
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|
201 |
response = self.get_response(request) |
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|
202 |
|
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|
203 |
# Apply response middleware |
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|
204 |
for middleware_method in self._response_middleware: |
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|
205 |
response = middleware_method(request, response) |
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|
206 |
response = self.apply_response_fixes(request, response) |
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|
207 |
finally: |
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ff1a9aa48cfd
Load ../vendor/django into trunk/app/django.
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|
208 |
signals.request_finished.send(sender=self.__class__) |
54
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|
209 |
|
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|
210 |
# Convert our custom HttpResponse object back into the mod_python req. |
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|
211 |
req.content_type = response['Content-Type'] |
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|
212 |
for key, value in response.items(): |
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|
213 |
if key != 'content-type': |
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|
214 |
req.headers_out[str(key)] = str(value) |
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|
215 |
for c in response.cookies.values(): |
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|
216 |
req.headers_out.add('Set-Cookie', c.output(header='')) |
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|
217 |
req.status = response.status_code |
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|
218 |
try: |
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|
219 |
for chunk in response: |
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|
220 |
req.write(chunk) |
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|
221 |
finally: |
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|
222 |
response.close() |
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return 0 # mod_python.apache.OK |
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def handler(req): |
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# mod_python hooks into this function. |
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return ModPythonHandler()(req) |