tests/authservice.py

#!/usr/bin/env python
#
# Licensed to the Apache Software Foundation (ASF) under one
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# regarding copyright ownership.  The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
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#
#   http://www.apache.org/licenses/LICENSE-2.0
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# specific language governing permissions and limitations
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from __future__ import print_function, unicode_literals
import signal, optparse
from proton.handlers import MessagingHandler
from proton.reactor import Container
from proton import Array, Data, symbol, UNDESCRIBED
from cproton import pn_sasl_config_path

class AuthService(MessagingHandler):
    def __init__(self, address):
        super(AuthService, self).__init__()
        self.address = address
        self.permissions = {}
        self.allow('admin', '*', ['send', 'recv'])
        self.allow('guest', 'foo', ['send', 'recv'])
        self.listener = None

    def allow(self, user, address, permissions):
        if not self.permissions.get(user):
            self.permissions[user] = {}
        self.permissions[user][address] = Array(UNDESCRIBED, Data.STRING, *permissions)

    def on_start(self, event):
        self.listener = event.container.listen(self.address)

    def stop(self):
        if self.listener:
            self.listener.close()

    def on_connection_opening(self, event):
        if self.permissions.get(event.transport.user):
            event.connection.properties = {
                symbol('authenticated-identity'): "%s" % event.transport.user,
                symbol('address-authz'): self.permissions[event.transport.user]
            }
        else:
            event.connection.properties = {
                symbol('authenticated-identity'): "%s" % event.transport.user,
                symbol('address-authz'): {}
            }

parser = optparse.OptionParser(usage="usage: %prog [options]",
                               description="test authentication and authorization service")
parser.add_option("-a", "--address", default="localhost:55671",
                  help="address to listen on (default %default)")
parser.add_option("-c", "--config", help="sasl config path")
opts, args = parser.parse_args()

print('starting')
if opts.config:
    pn_sasl_config_path(None, opts.config)
    print('set sasl config path to %s' % opts.config)

handler = AuthService(opts.address)
def sigterm_handler(_signo, _stack_frame):
    #sys.exit(0)
    handler.stop()

signal.signal(signal.SIGTERM, sigterm_handler)

Container(handler).run()