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# -*- coding: utf-8 -*-
# resource.py
# Copyright (C) 2016 LEAP
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
"""
A twisted resource that serves the Soledad Server.
"""
from twisted.web.resource import Resource
from ._server_info import ServerInfo
from ._incoming import IncomingResource
from ._wsgi import get_sync_resource
__all__ = ['PublicResource', 'AnonymousResource']
class _Robots(Resource):
def render_GET(self, request):
return (
'User-agent: *\n'
'Disallow: /\n'
'# you are not a robot, are you???')
class AnonymousResource(Resource):
"""
The parts of Soledad Server that unauthenticated users can see.
This is nice because this means that a non-authenticated user will get 404
for anything that is not in this minimal resource tree.
"""
def __init__(self, enable_blobs=False):
Resource.__init__(self)
server_info = ServerInfo(enable_blobs)
self.putChild('', server_info)
self.putChild('robots.txt', _Robots())
class LocalResource(Resource):
"""
Used for localhost endpoints, like IncomingBox delivery.
"""
def __init__(self):
Resource.__init__(self)
self.putChild('incoming', IncomingResource())
class PublicResource(Resource):
"""
This is a dummy twisted resource, used only to allow different entry points
for the Soledad Server.
"""
def __init__(self, blobs_resource=None, sync_pool=None):
"""
Initialize the Soledad resource.
:param blobs_resource: a resource to serve blobs, if enabled.
:type blobs_resource: _blobs.BlobsResource
:param sync_pool: A pool to pass to the WSGI sync resource.
:type sync_pool: twisted.python.threadpool.ThreadPool
"""
Resource.__init__(self)
# requests to / return server information
server_info = ServerInfo(bool(blobs_resource))
self.putChild('', server_info)
# requests to /blobs will serve blobs if enabled
if blobs_resource:
self.putChild('blobs', blobs_resource)
# other requests are routed to legacy sync resource
self._sync_resource = get_sync_resource(sync_pool)
def getChild(self, path, request):
"""
Route requests to legacy WSGI sync resource dynamically.
"""
request.postpath.insert(0, request.prepath.pop())
return self._sync_resource
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