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reverse_modes: treat mode arguments case insensitively
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parent
0533827ddf
commit
b685f416f6
23
classes.py
23
classes.py
@ -1157,12 +1157,18 @@ class PyLinkNetworkCoreWithUtils(PyLinkNetworkCore):
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possible_modes['*A'] += ''.join(self.prefixmodes)
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for name, userlist in c.prefixmodes.items():
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try:
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oldmodes.update([(self.cmodes[name], u) for u in userlist])
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# Add prefix modes to the list of old modes
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oldmodes |= {(self.cmodes[name], u) for u in userlist}
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except KeyError:
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continue
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else:
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oldmodes = self.users[target].modes
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oldmodes = set(self.users[target].modes)
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possible_modes = self.umodes
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oldmodes_mapping = dict(oldmodes)
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oldmodes_lower = {(modepair[0], self.to_lower(modepair[1]) if modepair[1] else modepair[1])
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for modepair in oldmodes}
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newmodes = []
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log.debug('(%s) reverse_modes: old/current mode list for %s is: %s', self.name,
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target, oldmodes)
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@ -1177,24 +1183,29 @@ class PyLinkNetworkCoreWithUtils(PyLinkNetworkCore):
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# We need to look at the current mode list to reset modes that take arguments
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# For example, trying to bounce +l 30 on a channel that had +l 50 set should
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# give "+l 50" and not "-l".
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oldarg = [m for m in oldmodes if m[0] == mchar]
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oldarg = oldmodes_mapping.get(mchar)
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if oldarg: # Old mode argument for this mode existed, use that.
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oldarg = oldarg[0]
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mpair = ('+%s' % oldarg[0], oldarg[1])
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mpair = ('+%s' % mchar, oldarg)
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else: # Not found, flip the mode then.
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# Mode takes no arguments when unsetting.
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if mchar in possible_modes['*C'] and char[0] != '-':
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arg = None
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mpair = (self._flip(char), arg)
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else:
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mpair = (self._flip(char), arg)
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if arg is not None:
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arg = self.to_lower(arg)
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if char[0] != '-' and (mchar, arg) in oldmodes:
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# Mode is already set.
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log.debug("(%s) reverse_modes: skipping reversing '%s %s' with %s since we're "
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"setting a mode that's already set.", self.name, char, arg, mpair)
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continue
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elif char[0] == '-' and (mchar, arg) not in oldmodes and mchar in possible_modes['*A']:
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# We're unsetting a prefix mode that was never set - don't set it in response!
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# We're unsetting a list or prefix mode that was never set - don't set it in response!
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# TS6 IRCds lacks server-side verification for this and can cause annoying mode floods.
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log.debug("(%s) reverse_modes: skipping reversing '%s %s' with %s since it "
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"wasn't previously set.", self.name, char, arg, mpair)
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@ -681,11 +681,10 @@ class BaseProtocolTest(unittest.TestCase):
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c.modes = {('t', None), ('n', None), ('l', '50')}
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out = self.p.reverse_modes('#foobar', [('+l', '100')])
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self.assertEqual(out, [('+l', '50')], "Setting +l should reset original mode")
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out = self.p.reverse_modes('#foobar', [('-l', None)])
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self.assertEqual(out, [('+l', '50')], "Setting +l should reset original mode")
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self.assertEqual(out, [('+l', '50')], "Unsetting +l should reset original mode")
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out = self.p.reverse_modes('#foobar', [('+l', '50')])
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self.assertEqual(out, [], "Setting +l with original value is no-op")
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@ -700,7 +699,7 @@ class BaseProtocolTest(unittest.TestCase):
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u = self._make_user('nick', uid='user')
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u.channels.add(c)
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c.users.add(u)
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c.prefixmodes['op'].add(u)
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c.prefixmodes['op'].add(u.uid)
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out = self.p.reverse_modes('#foobar', '-o user')
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self.assertEqual(out, '+o user')
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