mirror of
https://github.com/jlu5/SupyPlugins.git
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83 lines
3.5 KiB
Python
83 lines
3.5 KiB
Python
###
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# Copyright (c) 2014, James Lu (GLolol)
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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#
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# * Redistributions of source code must retain the above copyright notice,
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# this list of conditions, and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright notice,
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# this list of conditions, and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# * Neither the name of the author of this software nor the name of
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# contributors to this software may be used to endorse or promote products
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# derived from this software without specific prior written consent.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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###
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import os
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import subprocess
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import supybot.utils as utils
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from supybot.commands import *
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import supybot.plugins as plugins
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import supybot.ircutils as ircutils
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import supybot.callbacks as callbacks
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try:
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from supybot.i18n import PluginInternationalization
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_ = PluginInternationalization('SysDNS')
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except ImportError:
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# Placeholder that allows to run the plugin on a bot
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# without the i18n module
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_ = lambda x:x
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class SysDNS(callbacks.Plugin):
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"""Provides an alternative to the built in dns command by looking up hostnames
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using the host binary available on the system."""
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threaded = True
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def dns(self, irc, msg, args, text):
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"""<host>
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Looks up a DNS hostname using the host binary available on the system.
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"""
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cmd = self.registryValue('command')
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if not cmd:
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irc.error('This command is not correctly configured. Please '
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'supybot.plugins.SysDNS.command appropriately.', Raise=True)
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else:
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args = [cmd, text]
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try:
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with open(os.devnull) as null:
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inst = subprocess.Popen(args,
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stdout=subprocess.PIPE,
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stderr=subprocess.PIPE,
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stdin=null)
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except OSError as e:
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irc.error('It seems the configured host command was '
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'not available (%s).' % e, Raise=True)
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result = inst.communicate()
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if result[1]: # stderr
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irc.error(' '.join(result[1].decode('utf8').split()))
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if result[0]: # stdout
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response = result[0].decode('utf8').splitlines()
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response = [l for l in response if l]
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irc.replies(response)
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dns = thread(wrap(dns, ["text"]))
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Class = SysDNS
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# vim:set shiftwidth=4 softtabstop=4 expandtab textwidth=79:
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