mirror of
https://github.com/mightyBroccoli/xmpp-chatbot.git
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106 lines
3.2 KiB
Python
106 lines
3.2 KiB
Python
# -*- coding: utf-8 -*-
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import defusedxml.ElementTree as Et
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# XEP-0157: Contact Addresses for XMPP Services
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class ServerContact:
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"""
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plugin to process the server contact addresses from a disco query
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"""
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def __init__(self):
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# init all necessary variables
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self.possible_vars = ['abuse-addresses',
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'admin-addresses',
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'feedback-addresses',
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'sales-addresses',
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'security-addresses',
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'support-addresses']
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self.contact = None
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self.target, self.opt_arg = None, None
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def opt_arg_abbreviation(self):
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"""
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optional argument abbreviation function
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if the provided string > 2 characters the most likely key will be chosen
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:return: completes the opt_arg to the most likely one
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"""
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# if opt_argument is smaller then 2 pass to prohibit multiple answers
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if len(self.opt_arg) < 2:
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pass
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abbr = str(self.opt_arg)
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possible_abbr = ["abuse-addresses", "admin-addresses", "feedback-addresses", "sales-addresses",
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"security-addresses", "support-addresses"]
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# searches the best match in the list of possible_abbr and completes the opt_arg to that
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self.opt_arg = [s for s in possible_abbr if s.startswith(abbr)][0]
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def process(self):
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# get etree from base xml
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iq = Et.fromstring(str(self.contact))
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# check if query is a valid result query
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if iq.find('{http://jabber.org/protocol/disco#info}query'):
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# only init result dict if result query is present
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result = dict()
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# extract query from iq
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query = iq.find('{http://jabber.org/protocol/disco#info}query')
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# extract jabber:x:data from query
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xdata = query.findall('{jabber:x:data}x')
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# iterate over all nodes with the xdata tag
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for node in xdata:
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# iterate over all child elements in node
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for child in node:
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# if one opt_arg is defined return just that one
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if self.opt_arg in self.possible_vars:
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# check for possible abbreviations to the optional argument
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self.opt_arg_abbreviation()
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if child.attrib['var'] == self.opt_arg:
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# add section to result dict and append info
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result[child.attrib['var']] = list()
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for value in child:
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result[child.attrib['var']].append(value.text)
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# if node has a var attribute that matches our list process
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elif child.attrib['var'] in self.possible_vars:
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# add section to result dict and append info
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result[child.attrib['var']] = list()
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for value in child:
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result[child.attrib['var']].append(value.text)
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return result
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def format(self, query, target, opt_arg):
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self.contact = query
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self.target = target
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self.opt_arg = opt_arg
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result = self.process()
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# if result is present continue
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if result:
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text = "contact addresses for %s are\n" % self.target
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# if opt_arg is present and member of possible_vars change text line
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if self.opt_arg in self.possible_vars:
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text = "%s for %s are\n" % (self.opt_arg, self.target)
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for key in result.keys():
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addr = ' , '.join(result[key])
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text += "- %s : %s\n" % (key, addr)
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else:
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text = "%s has no contact addresses configured." % self.target
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# if opt_arg is present and member of possible_vars but the key is empty change text line
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if self.opt_arg in self.possible_vars:
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text = "%s for %s are not defined." % (self.opt_arg, self.target)
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return text
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