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Location: website/www/conservancy/middleware.py - annotation
462cbc396354
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text/x-python
Supporters list built dynamically.
Hitherto the supporters list has been committed directly to the static
sponsors/index.html file. This was never ideal and a quick hack to
build Conservancy's supporters list at the beginning of the supporters
program.
With this change, a Django app now exists that dynamically generates the
supporters list.
The database rows must be built from Conservancy's internal Ledger file,
which will be done in a separate script.
Hitherto the supporters list has been committed directly to the static
sponsors/index.html file. This was never ideal and a quick hack to
build Conservancy's supporters list at the beginning of the supporters
program.
With this change, a Django app now exists that dynamically generates the
supporters list.
The database rows must be built from Conservancy's internal Ledger file,
which will be done in a separate script.
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from django import http
from django.utils.cache import patch_response_headers
class ForceCanonicalHostnameMiddleware(object):
def process_request(self, request):
"""Modified common middleware for Conservancy site
* Performs redirects to strip trailing "index.html"
* performs redirects based on APPEND_SLASH
* performs redirects based on site-specific REDIRECT_TABLE
* adds cache headers to provide hints to squid
"""
# Never allow connection to the /admin part of the site without SSL
if (not request.is_secure) and request.path.startswith('/admin'):
url = 'https://sfconservancy.org%s' % request.path
return http.HttpResponseRedirect(url)
# Check for a redirect based on settings.APPEND_SLASH
host = http.get_host(request)
old_url = [host, request.path]
new_url = old_url[:]
# Append a slash if append_slash is set and the URL doesn't have a
# trailing slash or a file extension.
if settings.APPEND_SLASH and (old_url[1][-1] != '/') and ('.' not in old_url[1].split('/')[-1]):
new_url[1] = new_url[1] + '/'
if settings.DEBUG and request.method == 'POST':
raise RuntimeError, "You called this URL via POST, but the URL doesn't end in a slash and you have APPEND_SLASH set. Django can't redirect to the slash URL while maintaining POST data. Change your form to point to %s%s (note the trailing slash), or set APPEND_SLASH=False in your Django settings." % (new_url[0], new_url[1])
# Strip trailing index.html
if new_url[1].endswith('/index.html'):
new_url[1] = new_url[1][:new_url[1].rfind('index.html')]
# Consult redirect table (if exists)
if hasattr(settings, "REDIRECT_TABLE"):
if settings.REDIRECT_TABLE.has_key(new_url[1]):
new_url[1] = settings.REDIRECT_TABLE[new_url[1]]
if new_url != old_url:
# Force canonical hostname
if settings.FORCE_CANONICAL_HOSTNAME:
new_url[0] = settings.FORCE_CANONICAL_HOSTNAME
# Redirect
if new_url[0]:
newurl = "%s://%s%s" % (request.is_secure() and 'https' or 'http', new_url[0], new_url[1])
else:
newurl = new_url[1]
if request.GET:
newurl += '?' + request.GET.urlencode()
return http.HttpResponseRedirect(newurl)
return None
def process_response(self, request, response):
# provide hints to squid
if request.method in ('GET', 'HEAD') and response.status_code == 200:
patch_response_headers(response)
return response
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