def __init__(self, loop):
self._loop = loop
self._re_url = loop.run_until_complete(utils.url_regex())
self._rules = [
{
"re": re.compile(rule["re"], re.IGNORECASE),
"message": rule["message"],
}
for rule in storage.data.get("link_spam_rules", [])
]
self.add_server_event("modify_link_spam_rules", self.modify_link_spam_rules)
def do_check_links(message, rules):
loop = asyncio.get_event_loop()
re_url = loop.run_until_complete(utils.url_regex())
urls = []
for match in re_url.finditer(message):
for url in match.groups():
if url is not None:
urls.append(url)
break
canonical_urls = loop.run_until_complete(asyncio.gather(*map(utils.canonical_url, urls), loop=loop))
for url_chain in canonical_urls:
for url in url_chain:
for rule in rules:
match = rule["re"].search(url)
if match is not None:
return rule["message"] % {str(i+1): v for i, v in enumerate(match.groups())}