irctest/irctest/server_tests/utf8.py

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"""
`Ergo <https://ergo.chat/>`_-specific tests of non-Unicode filtering
<https://ircv3.net/specs/extensions/utf8-only>`_
"""
from irctest import cases, runner
from irctest.numerics import ERR_ERRONEUSNICKNAME
from irctest.patma import ANYSTR
class Utf8TestCase(cases.BaseServerTestCase):
@cases.mark_specifications("Ergo")
def testNonUtf8Filtering(self):
self.connectClient(
"bar",
capabilities=["batch", "echo-message", "labeled-response"],
)
self.joinChannel(1, "#qux")
self.sendLine(1, b"@label=xyz PRIVMSG #qux hi\xaa")
self.assertMessageMatch(
self.getMessage(1),
command="FAIL",
params=["PRIVMSG", "INVALID_UTF8", ANYSTR],
tags={"label": "xyz"},
)
@cases.mark_isupport("UTF8ONLY")
def testUtf8Validation(self):
self.connectClient("foo")
self.connectClient("bar")
if "UTF8ONLY" not in self.server_support:
raise runner.IsupportTokenNotSupported("UTF8ONLY")
self.sendLine(1, "PRIVMSG bar hi")
self.getMessages(1) # synchronize
ms = self.getMessages(2)
self.assertMessageMatch(
[m for m in ms if m.command == "PRIVMSG"][0], params=["bar", "hi"]
)
self.sendLine(1, b"PRIVMSG bar hi\xaa")
m = self.getMessage(1)
assert m.command in ("FAIL", "WARN", "ERROR")
if m.command in ("FAIL", "WARN"):
self.assertMessageMatch(m, params=["PRIVMSG", "INVALID_UTF8", ANYSTR])
def testNonutf8Realname(self):
self.connectClient("foo")
if "UTF8ONLY" not in self.server_support:
raise runner.IsupportTokenNotSupported("UTF8ONLY")
self.addClient()
self.sendLine(2, "NICK bar")
self.clients[2].conn.sendall(b"USER username * * :i\xe8rc\xe9\r\n")
d = b""
while True:
try:
buf = self.clients[2].conn.recv(1024)
except TimeoutError:
break
if d and not buf:
break
d += buf
if b"FAIL " in d or b"ERROR " in d or b"468 " in d: # ERR_INVALIDUSERNAME
return # nothing more to test
self.assertIn(b"001 ", d)
self.sendLine(2, "WHOIS bar")
self.getMessages(2)
def testNonutf8Username(self):
self.connectClient("foo")
if "UTF8ONLY" not in self.server_support:
raise runner.IsupportTokenNotSupported("UTF8ONLY")
self.addClient()
self.sendLine(2, "NICK bar")
self.clients[2].conn.sendall(b"USER \xe8rc\xe9 * * :readlname\r\n")
d = b""
while True:
try:
buf = self.clients[2].conn.recv(1024)
except TimeoutError:
break
if d and not buf:
break
d += buf
if b"FAIL " in d or b"ERROR " in d or b"468 " in d: # ERR_INVALIDUSERNAME
return # nothing more to test
self.assertIn(b"001 ", d)
self.sendLine(2, "WHOIS bar")
self.getMessages(2)
class ErgoUtf8NickEnabledTestCase(cases.BaseServerTestCase):
@staticmethod
def config() -> cases.TestCaseControllerConfig:
return cases.TestCaseControllerConfig(
ergo_config=lambda config: config["server"].update(
{"casemapping": "precis"},
)
)
@cases.mark_specifications("Ergo")
def testUtf8NonAsciiNick(self):
"""Ergo accepts certain non-ASCII UTF8 nicknames if PRECIS is enabled."""
self.connectClient("ıl")
self.joinChannel(1, "#test")
self.connectClient("Claire")
self.joinChannel(2, "#test")
self.sendLine(1, "PRIVMSG #test :hi there")
self.getMessages(1)
self.assertMessageMatch(
self.getMessage(2), nick="ıl", params=["#test", "hi there"]
)
class ErgoUtf8NickDisabledTestCase(cases.BaseServerTestCase):
@cases.mark_specifications("Ergo")
def testUtf8NonAsciiNick(self):
"""Ergo rejects non-ASCII nicknames in its default configuration."""
self.addClient(1)
self.sendLine(1, "USER u s e r")
self.sendLine(1, "NICK Işıl")
self.assertMessageMatch(self.getMessage(1), command=ERR_ERRONEUSNICKNAME)