author | Sverre Rabbelier <srabbelier@gmail.com> |
Sat, 15 Nov 2008 16:17:11 +0000 | |
changeset 482 | 839740b061ad |
parent 323 | ff1a9aa48cfd |
permissions | -rw-r--r-- |
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03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
parents:
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from django.utils.http import http_date |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
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|
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Major reorganization of the soc svn repo, to merge into a single App Engine
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class ConditionalGetMiddleware(object): |
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Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
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""" |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
parents:
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Handles conditional GET operations. If the response has a ETag or |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
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6 |
Last-Modified header, and the request has If-None-Match or |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
parents:
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changeset
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If-Modified-Since, the response is replaced by an HttpNotModified. |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
parents:
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|
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
parents:
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Also sets the Date and Content-Length response-headers. |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
parents:
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""" |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
parents:
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def process_response(self, request, response): |
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response['Date'] = http_date() |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
parents:
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if not response.has_header('Content-Length'): |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
parents:
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response['Content-Length'] = str(len(response.content)) |
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Todd Larsen <tlarsen@google.com>
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|
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Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
parents:
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if response.has_header('ETag'): |
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Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
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if_none_match = request.META.get('HTTP_IF_NONE_MATCH', None) |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
parents:
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if if_none_match == response['ETag']: |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
parents:
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# Setting the status is enough here. The response handling path |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
parents:
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# automatically removes content for this status code (in |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
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# http.conditional_content_removal()). |
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Load ../vendor/django into trunk/app/django.
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response.status_code = 304 |
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Todd Larsen <tlarsen@google.com>
parents:
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|
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Todd Larsen <tlarsen@google.com>
parents:
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if response.has_header('Last-Modified'): |
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Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
parents:
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25 |
if_modified_since = request.META.get('HTTP_IF_MODIFIED_SINCE', None) |
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Todd Larsen <tlarsen@google.com>
parents:
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if if_modified_since == response['Last-Modified']: |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
parents:
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# Setting the status code is enough here (same reasons as |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
parents:
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28 |
# above). |
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ff1a9aa48cfd
Load ../vendor/django into trunk/app/django.
Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
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response.status_code = 304 |
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parents:
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|
03e267d67478
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Todd Larsen <tlarsen@google.com>
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return response |
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Todd Larsen <tlarsen@google.com>
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03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
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class SetRemoteAddrFromForwardedFor(object): |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
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""" |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
parents:
diff
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Middleware that sets REMOTE_ADDR based on HTTP_X_FORWARDED_FOR, if the |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
36 |
latter is set. This is useful if you're sitting behind a reverse proxy that |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
37 |
causes each request's REMOTE_ADDR to be set to 127.0.0.1. |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
parents:
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changeset
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|
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
39 |
Note that this does NOT validate HTTP_X_FORWARDED_FOR. If you're not behind |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
40 |
a reverse proxy that sets HTTP_X_FORWARDED_FOR automatically, do not use |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
41 |
this middleware. Anybody can spoof the value of HTTP_X_FORWARDED_FOR, and |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
42 |
because this sets REMOTE_ADDR based on HTTP_X_FORWARDED_FOR, that means |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
43 |
anybody can "fake" their IP address. Only use this when you can absolutely |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
44 |
trust the value of HTTP_X_FORWARDED_FOR. |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
45 |
""" |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
46 |
def process_request(self, request): |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
parents:
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47 |
try: |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
parents:
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48 |
real_ip = request.META['HTTP_X_FORWARDED_FOR'] |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
parents:
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49 |
except KeyError: |
03e267d67478
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50 |
return None |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
parents:
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else: |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
parents:
diff
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52 |
# HTTP_X_FORWARDED_FOR can be a comma-separated list of IPs. The |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
parents:
diff
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53 |
# client's IP will be the first one. |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
parents:
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54 |
real_ip = real_ip.split(",")[0].strip() |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
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parents:
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55 |
request.META['REMOTE_ADDR'] = real_ip |