49 lines
1.5 KiB
Python
49 lines
1.5 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2011 NTT DATA CORPORATION.
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# Copyright 2011 OpenStack LLC.
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""
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Auth module specific utilities and helper functions.
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"""
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import netaddr
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import string
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def get_host_only_server_string(server_str):
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"""
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Returns host part only of the given server_string if it's a combination
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of host part and port. Otherwise, return null string.
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"""
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# First of all, exclude pure IPv6 address (w/o port).
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if netaddr.valid_ipv6(server_str):
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return ''
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# Next, check if this is IPv6 address with port number combination.
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if server_str.find("]:") != -1:
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[address, sep, port] = server_str.replace('[', '', 1).partition(']:')
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return address
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# Third, check if this is a combination of general address and port
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if server_str.find(':') == -1:
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return ''
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# This must be a combination of host part and port
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(address, port) = server_str.split(':')
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return address
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