mirror of
https://github.com/jlu5/PyLink.git
synced 2024-11-27 21:19:31 +01:00
Move Irc() from main.py to classes.py
This prevents import loops (main->utils->classes->main) from the changes in the next commit.
This commit is contained in:
James Lu
parent
51389b96e2
commit
090fa85a46
261
classes.py
261
classes.py
@ -1,9 +1,261 @@
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import threading
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import threading
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from random import randint
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from random import randint
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import time
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import socket
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import threading
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import ssl
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from collections import defaultdict
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import hashlib
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from log import log
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from log import log
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import main
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import utils
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import time
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### Exceptions
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class NotAuthenticatedError(Exception):
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pass
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class ProtocolError(Exception):
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pass
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### Internal classes (users, servers, channels)
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class Irc():
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def initVars(self):
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self.pseudoclient = None
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self.connected = threading.Event()
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self.lastping = time.time()
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# Server, channel, and user indexes to be populated by our protocol module
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self.servers = {self.sid: IrcServer(None, self.serverdata['hostname'], internal=True)}
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self.users = {}
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self.channels = defaultdict(IrcChannel)
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# Sets flags such as whether to use halfops, etc. The default RFC1459
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# modes are implied.
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self.cmodes = {'op': 'o', 'secret': 's', 'private': 'p',
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'noextmsg': 'n', 'moderated': 'm', 'inviteonly': 'i',
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'topiclock': 't', 'limit': 'l', 'ban': 'b',
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'voice': 'v', 'key': 'k',
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# Type A, B, and C modes
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'*A': 'b',
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'*B': 'k',
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'*C': 'l',
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'*D': 'imnpstr'}
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self.umodes = {'invisible': 'i', 'snomask': 's', 'wallops': 'w',
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'oper': 'o',
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'*A': '', '*B': '', '*C': 's', '*D': 'iow'}
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# This max nick length starts off as the config value, but may be
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# overwritten later by the protocol module if such information is
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# received. Note that only some IRCds (InspIRCd) give us nick length
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# during link, so it is still required that the config value be set!
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self.maxnicklen = self.serverdata['maxnicklen']
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self.prefixmodes = {'o': '@', 'v': '+'}
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# Uplink SID (filled in by protocol module)
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self.uplink = None
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self.start_ts = int(time.time())
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# UID generators, for servers that need it
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self.uidgen = {}
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def __init__(self, netname, proto, conf):
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# Initialize some variables
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self.name = netname.lower()
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self.conf = conf
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self.serverdata = conf['servers'][netname]
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self.sid = self.serverdata["sid"]
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self.botdata = conf['bot']
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self.proto = proto
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self.pingfreq = self.serverdata.get('pingfreq') or 30
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self.pingtimeout = self.pingfreq * 2
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self.initVars()
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self.connection_thread = threading.Thread(target = self.connect)
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self.connection_thread.start()
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self.pingTimer = None
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def connect(self):
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ip = self.serverdata["ip"]
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port = self.serverdata["port"]
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while True:
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self.initVars()
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checks_ok = True
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try:
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self.socket = socket.socket()
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self.socket.setblocking(0)
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# Initial connection timeout is a lot smaller than the timeout after
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# we've connected; this is intentional.
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self.socket.settimeout(self.pingfreq)
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self.ssl = self.serverdata.get('ssl')
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if self.ssl:
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log.info('(%s) Attempting SSL for this connection...', self.name)
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certfile = self.serverdata.get('ssl_certfile')
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keyfile = self.serverdata.get('ssl_keyfile')
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if certfile and keyfile:
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try:
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self.socket = ssl.wrap_socket(self.socket,
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certfile=certfile,
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keyfile=keyfile)
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except OSError:
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log.exception('(%s) Caught OSError trying to '
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'initialize the SSL connection; '
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'are "ssl_certfile" and '
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'"ssl_keyfile" set correctly?',
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self.name)
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checks_ok = False
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else:
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log.error('(%s) SSL certfile/keyfile was not set '
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'correctly, aborting... ', self.name)
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checks_ok = False
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log.info("Connecting to network %r on %s:%s", self.name, ip, port)
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self.socket.connect((ip, port))
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self.socket.settimeout(self.pingtimeout)
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if self.ssl and checks_ok:
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peercert = self.socket.getpeercert(binary_form=True)
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sha1fp = hashlib.sha1(peercert).hexdigest()
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expected_fp = self.serverdata.get('ssl_fingerprint')
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if expected_fp:
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if sha1fp != expected_fp:
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log.error('(%s) Uplink\'s SSL certificate '
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'fingerprint (SHA1) does not match the '
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'one configured: expected %r, got %r; '
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'disconnecting...', self.name,
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expected_fp, sha1fp)
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checks_ok = False
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else:
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log.info('(%s) Uplink SSL certificate fingerprint '
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'(SHA1) verified: %r', self.name, sha1fp)
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else:
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log.info('(%s) Uplink\'s SSL certificate fingerprint '
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'is %r. You can enhance the security of your '
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'link by specifying this in a "ssl_fingerprint"'
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' option in your server block.', self.name,
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sha1fp)
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if checks_ok:
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self.proto.connect(self)
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self.spawnMain()
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log.info('(%s) Starting ping schedulers....', self.name)
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self.schedulePing()
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log.info('(%s) Server ready; listening for data.', self.name)
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self.run()
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else:
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log.error('(%s) A configuration error was encountered '
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'trying to set up this connection. Please check'
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' your configuration file and try again.',
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self.name)
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except (socket.error, ProtocolError, ConnectionError) as e:
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log.warning('(%s) Disconnected from IRC: %s: %s',
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self.name, type(e).__name__, str(e))
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self.disconnect()
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autoconnect = self.serverdata.get('autoconnect')
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log.debug('(%s) Autoconnect delay set to %s seconds.', self.name, autoconnect)
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if autoconnect is not None and autoconnect >= 0:
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log.info('(%s) Going to auto-reconnect in %s seconds.', self.name, autoconnect)
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time.sleep(autoconnect)
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else:
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return
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def disconnect(self):
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log.debug('(%s) Canceling pingTimer at %s due to disconnect() call', self.name, time.time())
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self.connected.clear()
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try:
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self.socket.close()
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self.pingTimer.cancel()
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except: # Socket timed out during creation; ignore
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pass
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# Internal hook signifying that a network has disconnected.
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self.callHooks([None, 'PYLINK_DISCONNECT', {}])
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def run(self):
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buf = b""
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data = b""
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while True:
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data = self.socket.recv(2048)
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buf += data
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if self.connected.is_set() and not data:
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log.warning('(%s) No data received and self.connected is set; disconnecting!', self.name)
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return
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elif (time.time() - self.lastping) > self.pingtimeout:
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log.warning('(%s) Connection timed out.', self.name)
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return
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while b'\n' in buf:
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line, buf = buf.split(b'\n', 1)
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line = line.strip(b'\r')
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# TODO: respect other encodings?
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line = line.decode("utf-8", "replace")
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log.debug("(%s) <- %s", self.name, line)
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hook_args = None
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try:
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hook_args = self.proto.handle_events(self, line)
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except Exception:
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log.exception('(%s) Caught error in handle_events, disconnecting!', self.name)
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return
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# Only call our hooks if there's data to process. Handlers that support
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# hooks will return a dict of parsed arguments, which can be passed on
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# to plugins and the like. For example, the JOIN handler will return
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# something like: {'channel': '#whatever', 'users': ['UID1', 'UID2',
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# 'UID3']}, etc.
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if hook_args is not None:
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self.callHooks(hook_args)
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def callHooks(self, hook_args):
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numeric, command, parsed_args = hook_args
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# Always make sure TS is sent.
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if 'ts' not in parsed_args:
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parsed_args['ts'] = int(time.time())
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hook_cmd = command
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hook_map = self.proto.hook_map
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# Handlers can return a 'parse_as' key to send their payload to a
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# different hook. An example of this is "/join 0" being interpreted
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# as leaving all channels (PART).
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if command in hook_map:
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hook_cmd = hook_map[command]
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hook_cmd = parsed_args.get('parse_as') or hook_cmd
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log.debug('Parsed args %r received from %s handler (calling hook %s)', parsed_args, command, hook_cmd)
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# Iterate over hooked functions, catching errors accordingly
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for hook_func in utils.command_hooks[hook_cmd]:
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try:
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log.debug('Calling function %s', hook_func)
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hook_func(self, numeric, command, parsed_args)
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except Exception:
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# We don't want plugins to crash our servers...
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log.exception('Unhandled exception caught in %r' % hook_func)
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continue
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def send(self, data):
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# Safeguard against newlines in input!! Otherwise, each line gets
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# treated as a separate command, which is particularly nasty.
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data = data.replace('\n', ' ')
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data = data.encode("utf-8") + b"\n"
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stripped_data = data.decode("utf-8").strip("\n")
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log.debug("(%s) -> %s", self.name, stripped_data)
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try:
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self.socket.send(data)
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except (OSError, AttributeError):
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log.debug("(%s) Dropping message %r; network isn't connected!", self.name, stripped_data)
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def schedulePing(self):
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self.proto.pingServer(self)
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self.pingTimer = threading.Timer(self.pingfreq, self.schedulePing)
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self.pingTimer.daemon = True
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self.pingTimer.start()
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log.debug('(%s) Ping scheduled at %s', self.name, time.time())
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def spawnMain(self):
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nick = self.botdata.get('nick') or 'PyLink'
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ident = self.botdata.get('ident') or 'pylink'
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host = self.serverdata["hostname"]
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log.info('(%s) Connected! Spawning main client %s.', self.name, nick)
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olduserobj = self.pseudoclient
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self.pseudoclient = self.proto.spawnClient(self, nick, ident, host, modes={("+o", None)})
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for chan in self.serverdata['channels']:
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self.proto.joinClient(self, self.pseudoclient.uid, chan)
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# PyLink internal hook called when spawnMain is called and the
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# contents of Irc().pseudoclient change.
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self.callHooks([self.sid, 'PYLINK_SPAWNMAIN', {'olduser': olduserobj}])
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class IrcUser():
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class IrcUser():
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def __init__(self, nick, ts, uid, ident='null', host='null',
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def __init__(self, nick, ts, uid, ident='null', host='null',
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@ -60,8 +312,7 @@ class IrcChannel():
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s.discard(target)
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s.discard(target)
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self.users.discard(target)
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self.users.discard(target)
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class ProtocolError(Exception):
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### FakeIRC classes, used for test cases
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pass
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global testconf
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global testconf
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testconf = {'bot':
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testconf = {'bot':
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@ -86,7 +337,7 @@ testconf = {'bot':
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},
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},
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}
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}
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class FakeIRC(main.Irc):
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class FakeIRC(Irc):
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def connect(self):
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def connect(self):
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self.messages = []
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self.messages = []
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self.hookargs = []
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self.hookargs = []
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246
main.py
246
main.py
@ -2,13 +2,7 @@
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import imp
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import imp
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import os
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import os
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import socket
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import time
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import sys
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import sys
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from collections import defaultdict
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import threading
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import ssl
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import hashlib
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from log import log
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from log import log
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import conf
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import conf
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@ -16,244 +10,6 @@ import classes
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import utils
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import utils
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import coreplugin
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import coreplugin
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class Irc():
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def initVars(self):
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self.pseudoclient = None
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self.connected = threading.Event()
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self.lastping = time.time()
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# Server, channel, and user indexes to be populated by our protocol module
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self.servers = {self.sid: classes.IrcServer(None, self.serverdata['hostname'], internal=True)}
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self.users = {}
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self.channels = defaultdict(classes.IrcChannel)
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# Sets flags such as whether to use halfops, etc. The default RFC1459
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# modes are implied.
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self.cmodes = {'op': 'o', 'secret': 's', 'private': 'p',
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'noextmsg': 'n', 'moderated': 'm', 'inviteonly': 'i',
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'topiclock': 't', 'limit': 'l', 'ban': 'b',
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'voice': 'v', 'key': 'k',
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|
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# Type A, B, and C modes
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'*A': 'b',
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'*B': 'k',
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'*C': 'l',
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'*D': 'imnpstr'}
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self.umodes = {'invisible': 'i', 'snomask': 's', 'wallops': 'w',
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'oper': 'o',
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'*A': '', '*B': '', '*C': 's', '*D': 'iow'}
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|
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# This max nick length starts off as the config value, but may be
|
|
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# overwritten later by the protocol module if such information is
|
|
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# received. Note that only some IRCds (InspIRCd) give us nick length
|
|
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# during link, so it is still required that the config value be set!
|
|
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self.maxnicklen = self.serverdata['maxnicklen']
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|
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self.prefixmodes = {'o': '@', 'v': '+'}
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|
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# Uplink SID (filled in by protocol module)
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|
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self.uplink = None
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|
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self.start_ts = int(time.time())
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|
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# UID generators, for servers that need it
|
|
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self.uidgen = {}
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def __init__(self, netname, proto, conf):
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# Initialize some variables
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self.name = netname.lower()
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self.conf = conf
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self.serverdata = conf['servers'][netname]
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self.sid = self.serverdata["sid"]
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self.botdata = conf['bot']
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self.proto = proto
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self.pingfreq = self.serverdata.get('pingfreq') or 30
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self.pingtimeout = self.pingfreq * 2
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self.initVars()
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self.connection_thread = threading.Thread(target = self.connect)
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self.connection_thread.start()
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self.pingTimer = None
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def connect(self):
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ip = self.serverdata["ip"]
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port = self.serverdata["port"]
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while True:
|
|
||||||
self.initVars()
|
|
||||||
checks_ok = True
|
|
||||||
try:
|
|
||||||
self.socket = socket.socket()
|
|
||||||
self.socket.setblocking(0)
|
|
||||||
# Initial connection timeout is a lot smaller than the timeout after
|
|
||||||
# we've connected; this is intentional.
|
|
||||||
self.socket.settimeout(self.pingfreq)
|
|
||||||
self.ssl = self.serverdata.get('ssl')
|
|
||||||
if self.ssl:
|
|
||||||
log.info('(%s) Attempting SSL for this connection...', self.name)
|
|
||||||
certfile = self.serverdata.get('ssl_certfile')
|
|
||||||
keyfile = self.serverdata.get('ssl_keyfile')
|
|
||||||
if certfile and keyfile:
|
|
||||||
try:
|
|
||||||
self.socket = ssl.wrap_socket(self.socket,
|
|
||||||
certfile=certfile,
|
|
||||||
keyfile=keyfile)
|
|
||||||
except OSError:
|
|
||||||
log.exception('(%s) Caught OSError trying to '
|
|
||||||
'initialize the SSL connection; '
|
|
||||||
'are "ssl_certfile" and '
|
|
||||||
'"ssl_keyfile" set correctly?',
|
|
||||||
self.name)
|
|
||||||
checks_ok = False
|
|
||||||
else:
|
|
||||||
log.error('(%s) SSL certfile/keyfile was not set '
|
|
||||||
'correctly, aborting... ', self.name)
|
|
||||||
checks_ok = False
|
|
||||||
log.info("Connecting to network %r on %s:%s", self.name, ip, port)
|
|
||||||
self.socket.connect((ip, port))
|
|
||||||
self.socket.settimeout(self.pingtimeout)
|
|
||||||
|
|
||||||
if self.ssl and checks_ok:
|
|
||||||
peercert = self.socket.getpeercert(binary_form=True)
|
|
||||||
sha1fp = hashlib.sha1(peercert).hexdigest()
|
|
||||||
expected_fp = self.serverdata.get('ssl_fingerprint')
|
|
||||||
if expected_fp:
|
|
||||||
if sha1fp != expected_fp:
|
|
||||||
log.error('(%s) Uplink\'s SSL certificate '
|
|
||||||
'fingerprint (SHA1) does not match the '
|
|
||||||
'one configured: expected %r, got %r; '
|
|
||||||
'disconnecting...', self.name,
|
|
||||||
expected_fp, sha1fp)
|
|
||||||
checks_ok = False
|
|
||||||
else:
|
|
||||||
log.info('(%s) Uplink SSL certificate fingerprint '
|
|
||||||
'(SHA1) verified: %r', self.name, sha1fp)
|
|
||||||
else:
|
|
||||||
log.info('(%s) Uplink\'s SSL certificate fingerprint '
|
|
||||||
'is %r. You can enhance the security of your '
|
|
||||||
'link by specifying this in a "ssl_fingerprint"'
|
|
||||||
' option in your server block.', self.name,
|
|
||||||
sha1fp)
|
|
||||||
|
|
||||||
if checks_ok:
|
|
||||||
self.proto.connect(self)
|
|
||||||
self.spawnMain()
|
|
||||||
log.info('(%s) Starting ping schedulers....', self.name)
|
|
||||||
self.schedulePing()
|
|
||||||
log.info('(%s) Server ready; listening for data.', self.name)
|
|
||||||
self.run()
|
|
||||||
else:
|
|
||||||
log.error('(%s) A configuration error was encountered '
|
|
||||||
'trying to set up this connection. Please check'
|
|
||||||
' your configuration file and try again.',
|
|
||||||
self.name)
|
|
||||||
except (socket.error, classes.ProtocolError, ConnectionError) as e:
|
|
||||||
log.warning('(%s) Disconnected from IRC: %s: %s',
|
|
||||||
self.name, type(e).__name__, str(e))
|
|
||||||
self.disconnect()
|
|
||||||
autoconnect = self.serverdata.get('autoconnect')
|
|
||||||
log.debug('(%s) Autoconnect delay set to %s seconds.', self.name, autoconnect)
|
|
||||||
if autoconnect is not None and autoconnect >= 0:
|
|
||||||
log.info('(%s) Going to auto-reconnect in %s seconds.', self.name, autoconnect)
|
|
||||||
time.sleep(autoconnect)
|
|
||||||
else:
|
|
||||||
return
|
|
||||||
|
|
||||||
def disconnect(self):
|
|
||||||
log.debug('(%s) Canceling pingTimer at %s due to disconnect() call', self.name, time.time())
|
|
||||||
self.connected.clear()
|
|
||||||
try:
|
|
||||||
self.socket.close()
|
|
||||||
self.pingTimer.cancel()
|
|
||||||
except: # Socket timed out during creation; ignore
|
|
||||||
pass
|
|
||||||
# Internal hook signifying that a network has disconnected.
|
|
||||||
self.callHooks([None, 'PYLINK_DISCONNECT', {}])
|
|
||||||
|
|
||||||
def run(self):
|
|
||||||
buf = b""
|
|
||||||
data = b""
|
|
||||||
while True:
|
|
||||||
data = self.socket.recv(2048)
|
|
||||||
buf += data
|
|
||||||
if self.connected.is_set() and not data:
|
|
||||||
log.warning('(%s) No data received and self.connected is set; disconnecting!', self.name)
|
|
||||||
return
|
|
||||||
elif (time.time() - self.lastping) > self.pingtimeout:
|
|
||||||
log.warning('(%s) Connection timed out.', self.name)
|
|
||||||
return
|
|
||||||
while b'\n' in buf:
|
|
||||||
line, buf = buf.split(b'\n', 1)
|
|
||||||
line = line.strip(b'\r')
|
|
||||||
# TODO: respect other encodings?
|
|
||||||
line = line.decode("utf-8", "replace")
|
|
||||||
log.debug("(%s) <- %s", self.name, line)
|
|
||||||
hook_args = None
|
|
||||||
try:
|
|
||||||
hook_args = self.proto.handle_events(self, line)
|
|
||||||
except Exception:
|
|
||||||
log.exception('(%s) Caught error in handle_events, disconnecting!', self.name)
|
|
||||||
return
|
|
||||||
# Only call our hooks if there's data to process. Handlers that support
|
|
||||||
# hooks will return a dict of parsed arguments, which can be passed on
|
|
||||||
# to plugins and the like. For example, the JOIN handler will return
|
|
||||||
# something like: {'channel': '#whatever', 'users': ['UID1', 'UID2',
|
|
||||||
# 'UID3']}, etc.
|
|
||||||
if hook_args is not None:
|
|
||||||
self.callHooks(hook_args)
|
|
||||||
|
|
||||||
def callHooks(self, hook_args):
|
|
||||||
numeric, command, parsed_args = hook_args
|
|
||||||
# Always make sure TS is sent.
|
|
||||||
if 'ts' not in parsed_args:
|
|
||||||
parsed_args['ts'] = int(time.time())
|
|
||||||
hook_cmd = command
|
|
||||||
hook_map = self.proto.hook_map
|
|
||||||
# Handlers can return a 'parse_as' key to send their payload to a
|
|
||||||
# different hook. An example of this is "/join 0" being interpreted
|
|
||||||
# as leaving all channels (PART).
|
|
||||||
if command in hook_map:
|
|
||||||
hook_cmd = hook_map[command]
|
|
||||||
hook_cmd = parsed_args.get('parse_as') or hook_cmd
|
|
||||||
log.debug('Parsed args %r received from %s handler (calling hook %s)', parsed_args, command, hook_cmd)
|
|
||||||
# Iterate over hooked functions, catching errors accordingly
|
|
||||||
for hook_func in utils.command_hooks[hook_cmd]:
|
|
||||||
try:
|
|
||||||
log.debug('Calling function %s', hook_func)
|
|
||||||
hook_func(self, numeric, command, parsed_args)
|
|
||||||
except Exception:
|
|
||||||
# We don't want plugins to crash our servers...
|
|
||||||
log.exception('Unhandled exception caught in %r' % hook_func)
|
|
||||||
continue
|
|
||||||
|
|
||||||
def send(self, data):
|
|
||||||
# Safeguard against newlines in input!! Otherwise, each line gets
|
|
||||||
# treated as a separate command, which is particularly nasty.
|
|
||||||
data = data.replace('\n', ' ')
|
|
||||||
data = data.encode("utf-8") + b"\n"
|
|
||||||
stripped_data = data.decode("utf-8").strip("\n")
|
|
||||||
log.debug("(%s) -> %s", self.name, stripped_data)
|
|
||||||
try:
|
|
||||||
self.socket.send(data)
|
|
||||||
except (OSError, AttributeError):
|
|
||||||
log.debug("(%s) Dropping message %r; network isn't connected!", self.name, stripped_data)
|
|
||||||
|
|
||||||
def schedulePing(self):
|
|
||||||
self.proto.pingServer(self)
|
|
||||||
self.pingTimer = threading.Timer(self.pingfreq, self.schedulePing)
|
|
||||||
self.pingTimer.daemon = True
|
|
||||||
self.pingTimer.start()
|
|
||||||
log.debug('(%s) Ping scheduled at %s', self.name, time.time())
|
|
||||||
|
|
||||||
def spawnMain(self):
|
|
||||||
nick = self.botdata.get('nick') or 'PyLink'
|
|
||||||
ident = self.botdata.get('ident') or 'pylink'
|
|
||||||
host = self.serverdata["hostname"]
|
|
||||||
log.info('(%s) Connected! Spawning main client %s.', self.name, nick)
|
|
||||||
olduserobj = self.pseudoclient
|
|
||||||
self.pseudoclient = self.proto.spawnClient(self, nick, ident, host, modes={("+o", None)})
|
|
||||||
for chan in self.serverdata['channels']:
|
|
||||||
self.proto.joinClient(self, self.pseudoclient.uid, chan)
|
|
||||||
# PyLink internal hook called when spawnMain is called and the
|
|
||||||
# contents of Irc().pseudoclient change.
|
|
||||||
self.callHooks([self.sid, 'PYLINK_SPAWNMAIN', {'olduser': olduserobj}])
|
|
||||||
|
|
||||||
if __name__ == '__main__':
|
if __name__ == '__main__':
|
||||||
log.info('PyLink starting...')
|
log.info('PyLink starting...')
|
||||||
if conf.conf['login']['password'] == 'changeme':
|
if conf.conf['login']['password'] == 'changeme':
|
||||||
@ -299,7 +55,7 @@ if __name__ == '__main__':
|
|||||||
log.critical('Failed to load protocol module: ImportError: %s', protoname, str(e))
|
log.critical('Failed to load protocol module: ImportError: %s', protoname, str(e))
|
||||||
sys.exit(2)
|
sys.exit(2)
|
||||||
else:
|
else:
|
||||||
utils.networkobjects[network] = Irc(network, proto, conf.conf)
|
utils.networkobjects[network] = classes.Irc(network, proto, conf.conf)
|
||||||
utils.started.set()
|
utils.started.set()
|
||||||
log.info("loaded plugins: %s", utils.plugins)
|
log.info("loaded plugins: %s", utils.plugins)
|
||||||
|
|
||||||
|
|||||||
Loading…
Reference in New Issue
Block a user