mirror of
http://aero2k.de/t/repos/urlbot-native.git
synced 2017-09-06 15:25:38 +02:00
386 lines
8.9 KiB
Python
Executable File
386 lines
8.9 KiB
Python
Executable File
#!/usr/bin/python3
|
|
# -*- coding: utf-8 -*-
|
|
|
|
import sys, re, time, pickle, random
|
|
import urllib.request, urllib.parse, urllib.error, html.parser
|
|
from common import *
|
|
|
|
try:
|
|
from local_config import conf, set_conf
|
|
except ImportError:
|
|
sys.stderr.write('''
|
|
%s: E: local_config.py isn't tracked because of included secrets and
|
|
%s site specific configurations. Rename local_config.py.skel and
|
|
%s adjust to you needs.
|
|
'''[1:] % (
|
|
sys.argv[0],
|
|
' ' * len(sys.argv[0]),
|
|
' ' * len(sys.argv[0])
|
|
)
|
|
)
|
|
|
|
sys.exit(-1)
|
|
|
|
from sleekxmpp import ClientXMPP
|
|
|
|
# rate limiting to 5 messages per 10 minutes
|
|
hist_ts = []
|
|
hist_flag = True
|
|
|
|
parser = None
|
|
|
|
def fetch_page(url):
|
|
log.info('fetching page ' + url)
|
|
try:
|
|
request = urllib.request.Request(url)
|
|
request.add_header('User-Agent', '''Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Firefox/31.0 Iceweasel/31.0''')
|
|
response = urllib.request.urlopen(request)
|
|
html_text = response.read(BUFSIZ) # ignore more than BUFSIZ
|
|
response.close()
|
|
return (0, html_text, response.headers)
|
|
except Exception as e:
|
|
log.warn('failed: %s' % e)
|
|
return (1, str(e), 'dummy')
|
|
|
|
return (-1, None, None)
|
|
|
|
def extract_title(url):
|
|
global parser
|
|
|
|
if 'repo/urlbot.git' in url:
|
|
log.info('repo URL found: ' + url)
|
|
return (3, 'wee, that looks like my home repo!')
|
|
|
|
log.info('extracting title from ' + url)
|
|
|
|
(code, html_text, headers) = fetch_page(url)
|
|
|
|
if 1 == code:
|
|
return (3, 'failed: %s for %s' % (html_text, url))
|
|
|
|
if not html_text:
|
|
return (-1, 'error')
|
|
|
|
charset = ''
|
|
if 'content-type' in headers:
|
|
log.debug('content-type: ' + headers['content-type'])
|
|
|
|
if 'text/' != headers['content-type'][:len('text/')]:
|
|
return (1, headers['content-type'])
|
|
|
|
charset = re.sub(
|
|
'.*charset=(?P<charset>\S+).*',
|
|
'\g<charset>', headers['content-type'], re.IGNORECASE
|
|
)
|
|
|
|
if '' != charset:
|
|
try:
|
|
html_text = html_text.decode(charset)
|
|
except LookupError:
|
|
log.warn("invalid charset in '%s': '%s'" % (headers['content-type'], charset))
|
|
|
|
if str != type(html_text):
|
|
html_text = str(html_text)
|
|
|
|
result = re.match(r'.*?<title.*?>(.*?)</title>.*?', html_text, re.S | re.M | re.IGNORECASE)
|
|
if result:
|
|
match = result.groups()[0]
|
|
|
|
if None == parser:
|
|
parser = html.parser.HTMLParser()
|
|
|
|
try:
|
|
expanded_html = parser.unescape(match)
|
|
except UnicodeDecodeError as e: # idk why this can happen, but it does
|
|
log.warn('parser.unescape() expoded here: ' + str(e))
|
|
expanded_html = match
|
|
return (0, expanded_html)
|
|
else:
|
|
return (2, 'no title')
|
|
|
|
def send_reply(message, msg_obj=None):
|
|
set_conf('request_counter', conf('request_counter') + 1)
|
|
|
|
if str is not type(message):
|
|
message = '\n'.join(message)
|
|
|
|
if debug_enabled():
|
|
print(message)
|
|
else:
|
|
if msg_obj:
|
|
xmpp.send_message(
|
|
mto = msg_obj['from'].bare,
|
|
mbody = message,
|
|
mtype = 'groupchat'
|
|
)
|
|
else: # unset msg_obj == broadcast
|
|
for room in xmpp.rooms:
|
|
xmpp.send_message(
|
|
mto = room,
|
|
mbody = message,
|
|
mtype = 'groupchat'
|
|
)
|
|
|
|
def ratelimit_touch(ignored=None): # FIXME: separate counters
|
|
hist_ts.append(time.time())
|
|
|
|
if conf('hist_max_count') < len(hist_ts):
|
|
hist_ts.pop(0)
|
|
|
|
def ratelimit_exceeded(ignored=None): # FIXME: separate counters
|
|
global hist_flag
|
|
|
|
if conf('hist_max_count') < len(hist_ts):
|
|
first = hist_ts.pop(0)
|
|
if (time.time() - first) < conf('hist_max_time'):
|
|
if hist_flag:
|
|
hist_flag = False
|
|
# FIXME: this is very likely broken now
|
|
send_reply('(rate limited to %d messages in %d seconds, try again at %s)' % (conf('hist_max_count'), conf('hist_max_time'), time.strftime('%T %Z', time.localtime(hist_ts[0] + conf('hist_max_time')))))
|
|
|
|
log.warn('rate limiting exceeded: ' + pickle.dumps(hist_ts))
|
|
return True
|
|
|
|
hist_flag = True
|
|
return False
|
|
|
|
def extract_url(data, msg_obj):
|
|
result = re.findall("(https?://[^\s>]+)", data)
|
|
if not result:
|
|
return
|
|
|
|
ret = None
|
|
out = []
|
|
for url in result:
|
|
ratelimit_touch()
|
|
if ratelimit_exceeded(msg_obj):
|
|
return False
|
|
|
|
flag = False
|
|
for b in conf('url_blacklist'):
|
|
if not None is re.match(b, url):
|
|
flag = True
|
|
log.info('url blacklist match for ' + url)
|
|
break
|
|
|
|
if flag:
|
|
# an URL has matched the blacklist, continue to the next URL
|
|
continue
|
|
|
|
# urllib.request is broken:
|
|
# >>> '.'.encode('idna')
|
|
# ....
|
|
# UnicodeError: label empty or too long
|
|
# >>> '.a.'.encode('idna')
|
|
# ....
|
|
# UnicodeError: label empty or too long
|
|
# >>> 'a.a.'.encode('idna')
|
|
# b'a.a.'
|
|
|
|
try:
|
|
(status, title) = extract_title(url)
|
|
except UnicodeError as e:
|
|
(status, title) = (4, str(e))
|
|
|
|
if 0 == status:
|
|
title = title.strip()
|
|
|
|
message = 'Title: %s' % title
|
|
elif 1 == status:
|
|
if conf('image_preview'):
|
|
# of course it's fake, but it looks interesting at least
|
|
char = """,._-+=\|/*`~"'"""
|
|
message = 'No text but %s, 1-bit ASCII art preview: [%c]' % (
|
|
title, random.choice(char)
|
|
)
|
|
else:
|
|
log.info('no message sent for non-text %s (%s)' % (url, title))
|
|
continue
|
|
elif 2 == status:
|
|
message = '(No title)'
|
|
elif 3 == status:
|
|
message = title
|
|
elif 4 == status:
|
|
message = 'Bug triggered (%s), invalid URL/domain part: %s' % (title, url)
|
|
log.warn(message)
|
|
else:
|
|
message = 'some error occurred when fetching %s' % url
|
|
|
|
message = message.replace('\n', '\\n')
|
|
|
|
log.info('adding to out buf: ' + message)
|
|
out.append(message)
|
|
ret = True
|
|
|
|
if True == ret:
|
|
send_reply(out, msg_obj)
|
|
|
|
return ret
|
|
|
|
def handle_msg(msg_obj):
|
|
content = msg_obj['body']
|
|
|
|
if 'has set the subject to:' in content:
|
|
return
|
|
|
|
if sys.argv[0] in content:
|
|
log.info('silenced, this is my own log')
|
|
return
|
|
|
|
if 'nospoiler' in content:
|
|
log.info('no spoiler for: ' + content)
|
|
return
|
|
|
|
# don't react to itself
|
|
if str(msg_obj['from']).startswith(conf('bot_user')):
|
|
return
|
|
|
|
arg_user = msg_obj['mucnick']
|
|
blob_userpref = conf_load().get('user_pref', [])
|
|
nospoiler = False
|
|
|
|
if arg_user in blob_userpref:
|
|
if 'spoiler' in blob_userpref[arg_user]:
|
|
if not blob_userpref[arg_user]['spoiler']:
|
|
log.info('nospoiler from conf')
|
|
nospoiler = True
|
|
|
|
ret = None
|
|
if not nospoiler:
|
|
extract_url(content, msg_obj)
|
|
|
|
# print(' '.join(["%s->%s" % (x, msg_obj[x]) for x in msg_obj.keys()]))
|
|
|
|
plugins.data_parse_commands(msg_obj)
|
|
plugins.data_parse_other(msg_obj)
|
|
|
|
class bot(ClientXMPP):
|
|
def __init__(self, jid, password, rooms, nick):
|
|
ClientXMPP.__init__(self, jid, password)
|
|
|
|
self.rooms = rooms
|
|
self.nick = nick
|
|
|
|
self.add_event_handler('session_start', self.session_start)
|
|
self.add_event_handler('groupchat_message', self.muc_message)
|
|
self.add_event_handler('message', self.message)
|
|
|
|
for r in self.rooms:
|
|
self.add_event_handler('muc::%s::got_online' % r, self.muc_online)
|
|
|
|
def session_start(self, event):
|
|
self.get_roster()
|
|
self.send_presence()
|
|
|
|
for room in self.rooms:
|
|
log.info('joining %s' % room)
|
|
self.plugin['xep_0045'].joinMUC(
|
|
room,
|
|
self.nick,
|
|
wait=True
|
|
)
|
|
|
|
def muc_message(self, msg_obj):
|
|
# don't talk to yourself
|
|
if msg_obj['mucnick'] == self.nick:
|
|
return
|
|
|
|
return handle_msg(msg_obj)
|
|
|
|
def message(self, msg_obj):
|
|
if 'groupchat' == msg_obj['type']:
|
|
return
|
|
|
|
def muc_online(self, msg_obj):
|
|
# don't react to yourself
|
|
if msg_obj['muc']['nick'] == self.nick:
|
|
return
|
|
|
|
arg_user = msg_obj['muc']['nick']
|
|
arg_user_key = arg_user.lower()
|
|
blob_userrecords = conf_load().get('user_records', {})
|
|
|
|
if arg_user_key in blob_userrecords:
|
|
records = blob_userrecords[arg_user_key]
|
|
|
|
if not records:
|
|
return
|
|
|
|
self.send_message(
|
|
mto=msg_obj['from'].bare,
|
|
mbody='%s, there %s %d message%s for you:\n%s' % (
|
|
arg_user,
|
|
'is' if 1 == len(records) else 'are',
|
|
len(records),
|
|
'' if 1 == len(records) else 's',
|
|
'\n'.join(records)
|
|
),
|
|
mtype='groupchat'
|
|
)
|
|
log.info('sent %d offline records to room %s' % (
|
|
len(records), msg_obj['from'].bare
|
|
))
|
|
|
|
if conf('persistent_locked'):
|
|
log.warn("couldn't get exclusive lock")
|
|
return False
|
|
|
|
set_conf('persistent_locked', True)
|
|
blob = conf_load()
|
|
|
|
if 'user_records' not in blob:
|
|
blob['user_records'] = {}
|
|
|
|
if arg_user_key in blob['user_records']:
|
|
blob['user_records'].pop(arg_user_key)
|
|
|
|
conf_save(blob)
|
|
set_conf('persistent_locked', False)
|
|
|
|
return
|
|
|
|
# def set_presence(self, msg):
|
|
# for room in self.rooms:
|
|
# self.send_presence(pto=room, pstatus=msg)
|
|
|
|
if '__main__' == __name__:
|
|
log.info(VERSION)
|
|
|
|
import plugins
|
|
|
|
plugins.send_reply = send_reply
|
|
plugins.ratelimit_exceeded = ratelimit_exceeded
|
|
plugins.ratelimit_touch = ratelimit_touch
|
|
|
|
plugins.register_all()
|
|
|
|
logging.basicConfig(
|
|
level=logging.INFO,
|
|
format='%(levelname)-8s %(message)s'
|
|
)
|
|
|
|
xmpp = bot(
|
|
jid=conf('jid'),
|
|
password=conf('password'),
|
|
rooms=conf('rooms'),
|
|
nick=conf('bot_user')
|
|
)
|
|
|
|
xmpp.connect()
|
|
xmpp.register_plugin('xep_0045')
|
|
xmpp.process()
|
|
|
|
if plugins.plugin_enabled_get(plugins.command_dsa_watcher):
|
|
plugins.command_dsa_watcher(['dsa-watcher', 'crawl'])
|
|
|
|
while 1:
|
|
try:
|
|
if False == plugins.event_trigger():
|
|
xmpp.disconnect()
|
|
sys.exit(1)
|
|
|
|
time.sleep(delay)
|
|
except KeyboardInterrupt:
|
|
print('')
|
|
exit(130)
|