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classes: Move ISUPPORT-style PREFIX and capabilities handling to Protocol
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75d88224f1
commit
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30
classes.py
30
classes.py
@ -15,6 +15,7 @@ import ssl
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import hashlib
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from copy import deepcopy
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import inspect
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import re
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try:
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import ircmatch
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@ -1301,6 +1302,35 @@ class Protocol():
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return {'target': split_server, 'users': affected_users, 'name': sname,
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'uplink': uplink}
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def parseCapabilities(self, args):
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"""
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Parses a string of capabilities in the 005 / RPL_ISUPPORT format.
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"""
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if type(args) == str:
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args = args.split(' ')
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caps = {}
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for cap in args:
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try:
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# Try to split it as a KEY=VALUE pair.
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key, value = cap.split('=', 1)
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except ValueError:
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key = cap
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value = ''
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caps[key] = value
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return caps
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@staticmethod
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def parsePrefixes(args):
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"""
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Separates prefixes field like "(qaohv)~&@%+" into a dict mapping mode characters to mode
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prefixes.
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"""
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prefixsearch = re.search(r'\(([A-Za-z]+)\)(.*)', args)
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return dict(zip(prefixsearch.group(1), prefixsearch.group(2)))
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### FakeIRC classes, used for test cases
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class FakeIRC(Irc):
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@ -444,11 +444,12 @@ class InspIRCdProtocol(TS6BaseProtocol):
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# USERMODES=,,s,BHIRSWcghikorwx GLOBOPS=1 SVSPART=1
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# First, turn the arguments into a dict
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caps = dict([x.split('=') for x in args[-1].split()])
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caps = self.parseCapabilities(args[-1])
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log.debug("(%s) capabilities list: %s", self.irc.name, caps)
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# Check the protocol version
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protocol_version = int(caps['PROTOCOL'])
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if protocol_version < self.min_proto_ver:
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raise ProtocolError("Remote protocol version is too old! "
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"At least %s (InspIRCd 2.0.x) is "
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@ -474,9 +475,7 @@ class InspIRCdProtocol(TS6BaseProtocol):
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# Separate the prefixes field (e.g. "(Yqaohv)!~&@%+") into a
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# dict mapping mode characters to mode prefixes.
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prefixsearch = re.search(r'\(([A-Za-z]+)\)(.*)', caps['PREFIX'])
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self.irc.prefixmodes = dict(zip(prefixsearch.group(1),
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prefixsearch.group(2)))
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self.irc.prefixmodes = self.parsePrefixes(caps['PREFIX'])
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log.debug('(%s) self.irc.prefixmodes set to %r', self.irc.name,
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self.irc.prefixmodes)
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