mirror of
https://github.com/freedombox/FreedomBox.git
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b7a974e326
Don't try to show setup view for login page. This happens under a rare circumstance that user does not usually face. If 'users' module has not been setup but we try to run first boot and last part of the firstboot process is not yet completed and when user is not already logged in, an infinite redirect happens. Simply don't try to show setup view for login URL under any circumstance. This is similar to how firstboot middleware itself does not meddle with login URL.
89 lines
3.3 KiB
Python
89 lines
3.3 KiB
Python
#
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# This file is part of Plinth.
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as
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# published by the Free Software Foundation, either version 3 of the
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# License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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"""
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Django middleware to show pre-setup message and setup progress.
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"""
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from django import urls
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from django.conf import settings
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from django.contrib import messages
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from django.contrib.auth.decorators import login_required
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from django.utils.translation import ugettext_lazy as _
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import logging
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import plinth
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from plinth.package import PackageException
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from . import views
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logger = logging.getLogger(__name__)
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class SetupMiddleware(object):
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"""Show setup page or progress if setup is neccessary or running."""
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@staticmethod
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def process_view(request, view_func, view_args, view_kwargs):
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"""Handle a request as Django middleware request handler."""
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# Don't interfere with login page
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user_requests_login = request.path.startswith(
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urls.reverse(settings.LOGIN_URL))
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if user_requests_login:
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return
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# Perform a URL resolution. This is slightly inefficient as
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# Django will do this resolution again.
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try:
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resolver_match = urls.resolve(request.path_info)
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except urls.Resolver404:
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return
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if not resolver_match.namespaces or not len(resolver_match.namespaces):
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# Requested URL does not belong to any application
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return
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module_name = resolver_match.namespaces[0]
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module = plinth.module_loader.loaded_modules[module_name]
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# Collect errors from any previous operations and show them
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if module.setup_helper.is_finished:
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exception = module.setup_helper.collect_result()
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if not exception:
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messages.success(request, _('Application installed.'))
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else:
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if isinstance(exception, PackageException):
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error_string = getattr(exception, 'error_string',
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str(exception))
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error_details = getattr(exception, 'error_details', '')
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message = _('Error installing application: {string} '
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'{details}').format(
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string=error_string, details=error_details)
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else:
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message = _('Error installing application: {error}') \
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.format(error=exception)
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messages.error(request, message)
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# Check if application is up-to-date
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if module.setup_helper.get_state() == 'up-to-date':
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return
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# Only allow logged-in users to access any setup page
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view = login_required(views.SetupView.as_view())
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return view(request, setup_helper=module.setup_helper)
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