1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
|
# -*- coding: utf-8 -*-
import django
from django.conf import settings
from django.core.exceptions import ImproperlyConfigured
if django.VERSION < (2, 0):
from django.core.urlresolvers import (
NoReverseMatch, resolve, Resolver404, reverse, )
else:
from django.urls import (
NoReverseMatch, resolve, Resolver404, reverse, )
from django.shortcuts import render, redirect
from django.template import RequestContext
from django.utils.cache import add_never_cache_headers
from django.utils.module_loading import import_string
from maintenance_mode.core import get_maintenance_mode
from maintenance_mode.utils import get_client_ip_address
import re
try:
# since python 3.7
pattern_class = re.Pattern
except AttributeError:
# before python 3.7
pattern_class = re._pattern_type
import sys
def get_maintenance_response(request):
"""
Return a '503 Service Unavailable' maintenance response.
"""
if settings.MAINTENANCE_MODE_REDIRECT_URL:
return redirect(settings.MAINTENANCE_MODE_REDIRECT_URL)
context = {}
if settings.MAINTENANCE_MODE_GET_TEMPLATE_CONTEXT:
try:
get_request_context_func = import_string(
settings.MAINTENANCE_MODE_GET_TEMPLATE_CONTEXT)
except ImportError:
raise ImproperlyConfigured(
'settings.MAINTENANCE_MODE_GET_TEMPLATE_CONTEXT '
'is not a valid function path.'
)
context = get_request_context_func(request=request)
kwargs = {'context': context}
if django.VERSION < (1, 8):
kwargs = {'context_instance': RequestContext(request, context)}
response = render(request, settings.MAINTENANCE_MODE_TEMPLATE,
status=settings.MAINTENANCE_MODE_STATUS_CODE,
**kwargs)
response['Retry-After'] = settings.MAINTENANCE_MODE_RETRY_AFTER
add_never_cache_headers(response)
return response
def need_maintenance_response(request):
"""
Tells if the given request needs a maintenance response or not.
"""
try:
view_match = resolve(request.path)
view_func = view_match[0]
view_dict = view_func.__dict__
view_force_maintenance_mode_off = view_dict.get(
'force_maintenance_mode_off', False)
if view_force_maintenance_mode_off:
# view has 'force_maintenance_mode_off' decorator
return False
view_force_maintenance_mode_on = view_dict.get(
'force_maintenance_mode_on', False)
if view_force_maintenance_mode_on:
# view has 'force_maintenance_mode_on' decorator
return True
except Resolver404:
pass
if not get_maintenance_mode():
return False
try:
url_off = reverse('maintenance_mode_off')
resolve(url_off)
if url_off == request.path_info:
return False
except NoReverseMatch:
# maintenance_mode.urls not added
pass
if hasattr(request, 'user'):
if django.VERSION < (1, 10):
if settings.MAINTENANCE_MODE_IGNORE_ANONYMOUS_USER \
and request.user.is_anonymous():
return False
if settings.MAINTENANCE_MODE_IGNORE_AUTHENTICATED_USER \
and request.user.is_authenticated():
return False
else:
if settings.MAINTENANCE_MODE_IGNORE_ANONYMOUS_USER \
and request.user.is_anonymous:
return False
if settings.MAINTENANCE_MODE_IGNORE_AUTHENTICATED_USER \
and request.user.is_authenticated:
return False
if settings.MAINTENANCE_MODE_IGNORE_STAFF \
and request.user.is_staff:
return False
if settings.MAINTENANCE_MODE_IGNORE_SUPERUSER \
and request.user.is_superuser:
return False
if settings.MAINTENANCE_MODE_IGNORE_ADMIN_SITE:
try:
request_path = request.path if request.path else ''
if not request_path.endswith('/'):
request_path += '/'
admin_url = reverse('admin:index')
if request_path.startswith(admin_url):
return False
except NoReverseMatch:
# admin.urls not added
pass
if settings.MAINTENANCE_MODE_IGNORE_TESTS:
is_testing = False
if (len(sys.argv) > 0 and 'runtests' in sys.argv[0]) \
or (len(sys.argv) > 1 and sys.argv[1] == 'test'):
# python runtests.py | python manage.py test | python
# setup.py test | django-admin.py test
is_testing = True
if is_testing:
return False
if settings.MAINTENANCE_MODE_IGNORE_IP_ADDRESSES:
if settings.MAINTENANCE_MODE_GET_CLIENT_IP_ADDRESS:
try:
get_client_ip_address_func = import_string(
settings.MAINTENANCE_MODE_GET_CLIENT_IP_ADDRESS)
except ImportError:
raise ImproperlyConfigured(
'settings.MAINTENANCE_MODE_GET_CLIENT_IP_ADDRESS '
'is not a valid function path.')
else:
client_ip_address = get_client_ip_address_func(request)
else:
client_ip_address = get_client_ip_address(request)
for ip_address in settings.MAINTENANCE_MODE_IGNORE_IP_ADDRESSES:
ip_address_re = re.compile(ip_address)
if ip_address_re.match(client_ip_address):
return False
if settings.MAINTENANCE_MODE_IGNORE_URLS:
for url in settings.MAINTENANCE_MODE_IGNORE_URLS:
if not isinstance(url, pattern_class):
url = str(url)
url_re = re.compile(url)
if url_re.match(request.path_info):
return False
if settings.MAINTENANCE_MODE_REDIRECT_URL:
redirect_url_re = re.compile(
settings.MAINTENANCE_MODE_REDIRECT_URL)
if redirect_url_re.match(request.path_info):
return False
return True
|
