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+###
+# Copyright (c) 2006-2007, Jared Kuolt
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are met:
+#
+# * Redistributions of source code must retain the above copyright notice,
+# this list of conditions and the following disclaimer.
+# * Redistributions in binary form must reproduce the above copyright
+# notice, this list of conditions and the following disclaimer in the
+# documentation and/or other materials provided with the distribution.
+# * Neither the name of the SuperJared.com nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+###
+
+from django.conf import settings
+from django.contrib.auth.views import login
+from django.http import HttpResponseRedirect
+import re
+
+class RequireLoginMiddleware(object):
+ """
+ Require Login middleware. If enabled, each Django-powered page will
+ require authentication.
+
+ If an anonymous user requests a page, he/she is redirected to the login
+ page set by LOGIN_URL.
+ """
+ def __init__(self):
+ self.exceptionre = re.compile("(^/media/)|(^/robots.txt)|(^/login/)")
+
+ def process_request(self, request):
+ if request.user.is_anonymous() and not self.exceptionre.search(request.path):
+ if request.POST:
+ return login(request)
+ else:
+ return HttpResponseRedirect('%s?next=%s' % (settings.LOGIN_URL, request.path))
+