mirror of
https://github.com/freedombox/FreedomBox.git
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77 lines
2.4 KiB
Python
77 lines
2.4 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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Framework for working with servers and theirs services
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"""
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from gettext import gettext as _
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import django.dispatch
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ENABLED = django.dispatch.Signal(providing_args=['service_id', 'enabled'])
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SERVICES = {}
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class Service(object):
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"""
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Representation of an application service provided by the machine
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containing information such as current status and ports required
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for operation.
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"""
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def __init__(self, service_id, name, ports=None, is_external=False,
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enabled=True):
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if not ports:
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ports = [service_id]
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self.service_id = service_id
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self.name = name
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self.ports = ports
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self.is_external = is_external
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self._enabled = enabled
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# Maintain a complete list of services
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SERVICES[service_id] = self
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def is_enabled(self):
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"""Return whether the service is enabled"""
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if callable(self._enabled):
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return self._enabled()
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return self._enabled
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def notify_enabled(self, sender, enabled):
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"""Notify observers about change in state of service"""
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if not callable(self._enabled):
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self._enabled = enabled
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ENABLED.send_robust(sender=sender, service_id=self.service_id,
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enabled=enabled)
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def init():
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"""Register some misc. services that don't fit elsewhere"""
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Service('http', _('Web Server'), ['http'], is_external=True, enabled=True)
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Service('https', _('Web Server over Secure Socket Layer'), ['https'],
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is_external=True, enabled=True)
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Service('ssh', _('Secure Shell (SSH) Server'), ['ssh'], is_external=True,
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enabled=True)
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Service('plinth', _('FreedomBox Web Interface (Plinth)'), ['https'],
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is_external=True, enabled=True)
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