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parse_modes: fix handling of +b-b ban cycles
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parent
c2b5966739
commit
9168880204
13
classes.py
13
classes.py
@ -952,13 +952,13 @@ class PyLinkNetworkCoreWithUtils(PyLinkNetworkCore):
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arg = oldarg
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log.debug("Mode %s: coersing argument of '*' to %r.", mode, arg)
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log.debug('(%s) parse_modes: checking if +%s %s is in old modes list: %s', self.name, mode, arg, existing)
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log.debug('(%s) parse_modes: checking if +%s %s is in old modes list: %s; existing_casemap=%s', self.name, mode, arg, existing, existing_casemap)
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arg = self.to_lower(arg)
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casefolded_modepair = existing_casemap.get((mode, arg)) # Case fold arguments as needed
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if casefolded_modepair not in existing:
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# Ignore attempts to unset parameter modes that don't exist.
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log.debug("(%s) parse_modes(): ignoring removal of non-existent list mode +%s %s", self.name, mode, arg)
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log.debug("(%s) parse_modes: ignoring removal of non-existent list mode +%s %s; casefolded_modepair=%s", self.name, mode, arg, casefolded_modepair)
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continue
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arg = casefolded_modepair[1]
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@ -975,9 +975,16 @@ class PyLinkNetworkCoreWithUtils(PyLinkNetworkCore):
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newmode = (prefix + mode, arg)
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res.append(newmode)
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# Tentatively apply the new mode to the "existing" mode list.
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# Tentatively apply the new mode to the "existing" mode list. This is so queries
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# like +b-b *!*@example.com *!*@example.com behave correctly
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# (we can't rely on the original mode list to check whether a mode currently exists)
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existing = self._apply_modes(existing, [newmode], is_channel=is_channel)
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lowered_mode = (newmode[0][-1], self.to_lower(newmode[1]) if newmode[1] else newmode[1])
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if prefix == '+' and lowered_mode not in existing_casemap:
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existing_casemap[lowered_mode] = (mode, arg)
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elif prefix == '-' and lowered_mode in existing_casemap:
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del existing_casemap[lowered_mode]
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return res
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def parse_modes(self, target, args, ignore_missing_args=False):
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@ -390,6 +390,29 @@ class BaseProtocolTest(unittest.TestCase):
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"Second ban should have been removed (different case)"
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)
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def test_parse_modes_channel_ban_cycle(self):
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c = self.p.channels['#testruns'] = Channel(self.p, name='#testruns')
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self.assertEqual(
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self.p.parse_modes('#testruns', ['+b-b', '*!*@example.com', '*!*@example.com']),
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[('+b', '*!*@example.com'), ('-b', '*!*@example.com')],
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"Cycling a ban +b-b should remove it"
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)
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self.assertEqual(
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self.p.parse_modes('#testruns', ['-b+b', '*!*@example.com', '*!*@example.com']),
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[('+b', '*!*@example.com')],
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"Cycling a ban -b+b should add it"
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)
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self.assertEqual(
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self.p.parse_modes('#testruns', ['+b-b', '*!*@example.com', '*!*@Example.com']),
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[('+b', '*!*@example.com'), ('-b', '*!*@example.com')],
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"Cycling a ban +b-b should remove it (different case)"
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)
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self.assertEqual(
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self.p.parse_modes('#testruns', ['+b-b', '*!*@Example.com', '*!*@example.com']),
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[('+b', '*!*@Example.com'), ('-b', '*!*@Example.com')],
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"Cycling a ban +b-b should remove it (different case)"
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)
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def test_parse_mode_channel_prefixmode_has_nick(self):
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c = self.p.channels['#'] = Channel(self.p, name='#')
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u = self._make_user('mynick', uid='myuid')
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