def _regex_command(self, session: InboundMessageSession):
channel = session.message['channel']
if self._avoid_pikalaxbot and 'pikalaxbot' in self._user_list[channel]:
session.skip_rate_limit = True
return
# Special split http://stackoverflow.com/a/21107911/1524507
parts = re.split(r'(?<!\\)/', session.match.group(1))
if not (2 <= len(parts) <= 3):
return
search_pattern = parts[0]
replacement = parts[1].replace('\\/', '/')
options = parts[2] if len(parts) == 3 else ''
flags = 0
count = 1
if 'i' in options:
flags |= re.IGNORECASE
if 'g' in options:
count = 0
try:
pattern = re.compile(search_pattern, flags)
except re.error as error:
session.reply('{} {}!'.format(gen_roar(), error.args[0].title()))
return
for history_message in reversed(
self._recent_messages_for_regex[session.message['channel']]):
text = history_message['text']
channel = session.message['channel']
if text.startswith('s/') or text.startswith('!s/'):
continue
try:
matched = self._regex_server.search(pattern, text)
except RegexTimeout:
_logger.warning('Regex DoS by %s on %s',
session.message['username'],
session.message['channel'])
session.reply(gen_roar().upper())
return
if matched:
try:
new_text = pattern.sub(replacement, text, count=count)
except re.error as error:
session.reply('{} {}!'.format(gen_roar(),
error.args[0].title()))
return
if _random.random() < 0.05:
new_text = gen_roar()
fake_out = True
else:
fake_out = False
formatted_text = '{user} wishes to {stacked}correct ' \
'{target_user}: {text}'.format(
user=session.message['nick'],
target_user=history_message['nick'],
text=new_text,
stacked='re' if history_message.get('stacked') else '',
)
ok = self._try_say_or_reply_too_long(formatted_text, session)
if not ok:
return
if not fake_out:
stacked_message = copy.copy(history_message)
stacked_message['text'] = new_text
stacked_message['stacked'] = True
self._recent_messages_for_regex[channel].append(
stacked_message)
return
session.reply(
'{} Your request does not apply to any recent messages!'.format(
gen_roar()))
def _regex_command(self, session: InboundMessageSession):
channel = session.message["channel"]
if self._avoid_pikalaxbot and "pikalaxbot" in self._user_list[channel]:
session.skip_rate_limit = True
return
# Special split http://stackoverflow.com/a/21107911/1524507
parts = re.split(r"(?<!\\)/", session.match.group(1))
if not (2 <= len(parts) <= 3):
return
search_pattern = parts[0]
replacement = parts[1]
options = parts[2] if len(parts) == 3 else ""
flags = 0
count = 1
if "i" in options:
flags |= re.IGNORECASE
if "g" in options:
count = 0
try:
pattern = re.compile(search_pattern, flags)
except re.error as error:
session.reply("{} {}!".format(gen_roar(), error.args[0].title()))
return
for history_message in reversed(self._recent_messages_for_regex[session.message["channel"]]):
text = history_message["text"]
channel = session.message["channel"]
if text.startswith("s/"):
continue
try:
matched = self._regex_server.search(pattern, text)
except RegexTimeout:
_logger.warning("Regex DoS by %s on %s", session.message["username"], session.message["channel"])
session.reply(gen_roar().upper())
return
if matched:
try:
new_text = pattern.sub(replacement, text, count=count)
except re.error as error:
session.reply("{} {}!".format(gen_roar(), error.args[0].title()))
return
if _random.random() < 0.05:
new_text = gen_roar()
fake_out = True
else:
fake_out = False
formatted_text = "{user} wishes to {stacked}correct " "{target_user}: {text}".format(
user=session.message["nick"],
target_user=history_message["nick"],
text=new_text,
stacked="re" if history_message.get("stacked") else "",
)
ok = self._try_say_or_reply_too_long(formatted_text, session)
if not ok:
return
if not fake_out:
stacked_message = copy.copy(history_message)
stacked_message["text"] = new_text
stacked_message["stacked"] = True
self._recent_messages_for_regex[channel].append(stacked_message)
return
session.reply("{} Your request does not apply to any recent messages!".format(gen_roar()))
