Newer
Older
self.connected = 0
try:
self.socket.close()
except socket.error:
pass
self.socket = None
self.irclibobj._handle_event(
self,
Event("dcc_disconnect", self.peeraddress, "", [message]))
self.irclibobj._remove_connection(self)
def process_data(self):
"""[Internal]"""
if self.passive and not self.connected:
conn, (self.peeraddress, self.peerport) = self.socket.accept()
self.socket.close()
self.socket = conn
self.connected = 1
self.irclibobj.debug(1, "DCC connection from %s:%d" % (
self.peeraddress, self.peerport))
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
self.irclibobj._handle_event(
self,
Event("dcc_connect", self.peeraddress, None, None))
return
try:
new_data = self.socket.recv(2 ** 14)
except socket.error:
# The server hung up.
self.disconnect("Connection reset by peer")
return
if not new_data:
# Read nothing: connection must be down.
self.disconnect("Connection reset by peer")
return
if self.dcctype == "chat":
# The specification says lines are terminated with LF, but
# it seems safer to handle CR LF terminations too.
chunks = _linesep_regexp.split(self.previous_buffer + new_data)
# Save the last, unfinished line.
self.previous_buffer = chunks[-1]
if len(self.previous_buffer) > 2 ** 14:
# Bad peer! Naughty peer!
self.disconnect()
return
chunks = chunks[:-1]
else:
chunks = [new_data]
command = "dccmsg"
prefix = self.peeraddress
target = None
for chunk in chunks:
self.irclibobj.debug(1, "FROM PEER: " + repr(chunk))
self.irclibobj.debug(1, "command: %s, source: %s, target: %s, arguments: %s" % (
command, prefix, target, arguments))
self.irclibobj._handle_event(
self,
Event(command, prefix, target, arguments))
def _get_socket(self):
"""[Internal]"""
return self.socket
def privmsg(self, string):
"""Send data to DCC peer.
The string will be padded with appropriate LF if it's a DCC
CHAT session.
"""
try:
self.socket.send(string)
if self.dcctype == "chat":
self.socket.send("\n")
self.irclibobj.debug("TO PEER: %s\n" % repr(string))
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
except socket.error:
# Ouch!
self.disconnect("Connection reset by peer.")
class SimpleIRCClient(object):
"""A simple single-server IRC client class.
This is an example of an object-oriented wrapper of the IRC
framework. A real IRC client can be made by subclassing this
class and adding appropriate methods.
The method on_join will be called when a "join" event is created
(which is done when the server sends a JOIN messsage/command),
on_privmsg will be called for "privmsg" events, and so on. The
handler methods get two arguments: the connection object (same as
self.connection) and the event object.
Instance attributes that can be used by sub classes:
ircobj -- The IRC instance.
connection -- The ServerConnection instance.
dcc_connections -- A list of DCCConnection instances.
"""
def __init__(self):
self.ircobj = IRC()
self.connection = self.ircobj.server()
self.dcc_connections = []
self.ircobj.add_global_handler("all_events", self._dispatcher, -10)
self.ircobj.add_global_handler("dcc_disconnect", self._dcc_disconnect, -10)
def _dispatcher(self, c, e):
"""[Internal]"""
self.irclibobj.debug("dispatcher:%s" % e.eventtype())
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
m = "on_" + e.eventtype()
if hasattr(self, m):
getattr(self, m)(c, e)
def _dcc_disconnect(self, c, e):
self.dcc_connections.remove(c)
def connect(self, server, port, nickname, password=None, username=None,
ircname=None, localaddress="", localport=0, ssl=False, ipv6=False):
"""Connect/reconnect to a server.
Arguments:
server -- Server name.
port -- Port number.
nickname -- The nickname.
password -- Password (if any).
username -- The username.
ircname -- The IRC name.
localaddress -- Bind the connection to a specific local IP address.
localport -- Bind the connection to a specific local port.
ssl -- Enable support for ssl.
ipv6 -- Enable support for ipv6.
This function can be called to reconnect a closed connection.
"""
self.connection.connect(server, port, nickname,
password, username, ircname,
localaddress, localport, ssl, ipv6)
def dcc_connect(self, address, port, dcctype="chat"):
"""Connect to a DCC peer.
Arguments:
address -- IP address of the peer.
port -- Port to connect to.
Returns a DCCConnection instance.
"""
dcc = self.ircobj.dcc(dcctype)
self.dcc_connections.append(dcc)
dcc.connect(address, port)
return dcc
def dcc_listen(self, dcctype="chat"):
"""Listen for connections from a DCC peer.
Returns a DCCConnection instance.
"""
dcc = self.ircobj.dcc(dcctype)
self.dcc_connections.append(dcc)
dcc.listen()
return dcc
def start(self):
"""Start the IRC client."""
self.ircobj.process_forever()
class Event(object):
"""Class representing an IRC event."""
def __init__(self, eventtype, source, target, arguments=None):
"""Constructor of Event objects.
Arguments:
eventtype -- A string describing the event.
source -- The originator of the event (a nick mask or a server).
target -- The target of the event (a nick or a channel).
arguments -- Any event specific arguments.
"""
self._eventtype = eventtype
self._source = source
self._target = target
if arguments:
self._arguments = arguments
else:
self._arguments = []
def eventtype(self):
"""Get the event type."""
return self._eventtype
def source(self):
"""Get the event source."""
return self._source
def target(self):
"""Get the event target."""
return self._target
def arguments(self):
"""Get the event arguments."""
return self._arguments
_LOW_LEVEL_QUOTE = "\020"
_CTCP_LEVEL_QUOTE = "\134"
_CTCP_DELIMITER = "\001"
_low_level_mapping = {
"0": "\000",
"n": "\n",
"r": "\r",
_LOW_LEVEL_QUOTE: _LOW_LEVEL_QUOTE
}
_low_level_regexp = re.compile(_LOW_LEVEL_QUOTE + "(.)")
def mask_matches(nick, mask):
"""Check if a nick matches a mask.
Returns true if the nick matches, otherwise false.
"""
nick = irc_lower(nick)
mask = irc_lower(mask)
mask = mask.replace("\\", "\\\\")
for ch in ".$|[](){}+":
mask = mask.replace(ch, "\\" + ch)
mask = mask.replace("?", ".")
mask = mask.replace("*", ".*")
r = re.compile(mask, re.IGNORECASE)
return r.match(nick)
_special = "-[]\\`^{}"
nick_characters = string.ascii_letters + string.digits + _special
def _ctcp_dequote(message):
"""[Internal] Dequote a message according to CTCP specifications.
The function returns a list where each element can be either a
string (normal message) or a tuple of one or two strings (tagged
messages). If a tuple has only one element (ie is a singleton),
that element is the tag; otherwise the tuple has two elements: the
tag and the data.
Arguments:
message -- The message to be decoded.
"""
def _low_level_replace(match_obj):
ch = match_obj.group(1)
# If low_level_mapping doesn't have the character as key, we
# should just return the character.
return _low_level_mapping.get(ch, ch)
if _LOW_LEVEL_QUOTE in message:
# Yup, there was a quote. Release the dequoter, man!
message = _low_level_regexp.sub(_low_level_replace, message)
if _CTCP_DELIMITER not in message:
return [message]
else:
# Split it into parts. (Does any IRC client actually *use*
# CTCP stacking like this?)
chunks = message.split(_CTCP_DELIMITER)
messages = []
i = 0
while i < len(chunks) - 1:
# Add message if it's non-empty.
if len(chunks[i]) > 0:
messages.append(chunks[i])
if i < len(chunks) - 2:
# Aye! CTCP tagged data ahead!
messages.append(tuple(chunks[i + 1].split(" ", 1)))
i = i + 2
if len(chunks) % 2 == 0:
# Hey, a lonely _CTCP_DELIMITER at the end! This means
# that the last chunk, including the delimiter, is a
# normal message! (This is according to the CTCP
# specification.)
messages.append(_CTCP_DELIMITER + chunks[-1])
return messages
def is_channel(string):
"""Check if a string is a channel name.
Returns true if the argument is a channel name, otherwise false.
"""
return string and string[0] in "#&+!"
def ip_numstr_to_quad(num):
"""Convert an IP number as an integer given in ASCII
representation (e.g. '3232235521') to an IP address string
(e.g. '192.168.0.1')."""
n = long(num)
p = map(str, map(int, [n >> 24 & 0xFF, n >> 16 & 0xFF,
n >> 8 & 0xFF, n & 0xFF]))
return ".".join(p)
def ip_quad_to_numstr(quad):
"""Convert an IP address string (e.g. '192.168.0.1') to an IP
number as an integer given in ASCII representation
(e.g. '3232235521')."""
p = map(long, quad.split("."))
s = str((p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3])
if s[-1] == "L":
s = s[:-1]
return s
def nm_to_n(s):
"""Get the nick part of a nickmask.
(The source of an Event is a nickmask.)
"""
return s.split("!")[0]
def nm_to_uh(s):
"""Get the userhost part of a nickmask.
(The source of an Event is a nickmask.)
"""
return s.split("!")[1]
def nm_to_h(s):
"""Get the host part of a nickmask.
(The source of an Event is a nickmask.)
"""
return s.split("@")[1]
def nm_to_u(s):
"""Get the user part of a nickmask.
(The source of an Event is a nickmask.)
"""
s = s.split("!")[1]
return s.split("@")[0]
def parse_nick_modes(mode_string):
"""Parse a nick mode string.
The function returns a list of lists with three members: sign,
mode and argument. The sign is "+" or "-". The argument is
always None.
Example:
>>> parse_nick_modes("+ab-c")
[['+', 'a', None], ['+', 'b', None], ['-', 'c', None]]
"""
return _parse_modes(mode_string, "")
def parse_channel_modes(mode_string):
"""Parse a channel mode string.
The function returns a list of lists with three members: sign,
mode and argument. The sign is "+" or "-". The argument is
None if mode isn't one of "b", "k", "l", "v" or "o".
Example:
>>> parse_channel_modes("+ab-c foo")
[['+', 'a', None], ['+', 'b', 'foo'], ['-', 'c', None]]
"""
return _parse_modes(mode_string, "bklvo")
def _parse_modes(mode_string, unary_modes=""):
"""[Internal]"""
modes = []
arg_count = 0
# State variable.
sign = ""
a = mode_string.split()
if len(a) == 0:
return []
else:
mode_part, args = a[0], a[1:]
if mode_part[0] not in "+-":
return []
for ch in mode_part:
if ch in "+-":
sign = ch
elif ch == " ":
pass
elif ch in unary_modes:
if len(args) >= arg_count + 1:
modes.append([sign, ch, args[arg_count]])
arg_count = arg_count + 1
else:
modes.append([sign, ch, None])
else:
modes.append([sign, ch, None])
return modes
def _ping_ponger(connection, event):
"""[Internal]"""
connection.pong(event.target())
# Numeric table mostly stolen from the Perl IRC module (Net::IRC).
numeric_events = {
"001": "welcome",
"002": "yourhost",
"003": "created",
"004": "myinfo",
"005": "featurelist", # XXX
"200": "tracelink",
"201": "traceconnecting",
"202": "tracehandshake",
"203": "traceunknown",
"204": "traceoperator",
"205": "traceuser",
"206": "traceserver",
"207": "traceservice",
"208": "tracenewtype",
"209": "traceclass",
"210": "tracereconnect",
"211": "statslinkinfo",
"212": "statscommands",
"213": "statscline",
"214": "statsnline",
"215": "statsiline",
"216": "statskline",
"217": "statsqline",
"218": "statsyline",
"219": "endofstats",
"221": "umodeis",
"231": "serviceinfo",
"232": "endofservices",
"233": "service",
"234": "servlist",
"235": "servlistend",
"241": "statslline",
"242": "statsuptime",
"243": "statsoline",
"244": "statshline",
"250": "luserconns",
"251": "luserclient",
"252": "luserop",
"253": "luserunknown",
"254": "luserchannels",
"255": "luserme",
"256": "adminme",
"257": "adminloc1",
"258": "adminloc2",
"259": "adminemail",
"261": "tracelog",
"262": "endoftrace",
"263": "tryagain",
"265": "n_local",
"266": "n_global",
"300": "none",
"301": "away",
"302": "userhost",
"303": "ison",
"305": "unaway",
"306": "nowaway",
"311": "whoisuser",
"312": "whoisserver",
"313": "whoisoperator",
"314": "whowasuser",
"315": "endofwho",
"316": "whoischanop",
"317": "whoisidle",
"318": "endofwhois",
"319": "whoischannels",
"321": "liststart",
"322": "list",
"323": "listend",
"324": "channelmodeis",
"329": "channelcreate",
"331": "notopic",
"332": "currenttopic",
"333": "topicinfo",
"341": "inviting",
"342": "summoning",
"346": "invitelist",
"347": "endofinvitelist",
"348": "exceptlist",
"349": "endofexceptlist",
"351": "version",
"352": "whoreply",
"353": "namreply",
"361": "killdone",
"362": "closing",
"363": "closeend",
"364": "links",
"365": "endoflinks",
"366": "endofnames",
"367": "banlist",
"368": "endofbanlist",
"369": "endofwhowas",
"371": "info",
"372": "motd",
"373": "infostart",
"374": "endofinfo",
"375": "motdstart",
"376": "endofmotd",
"377": "motd2", # 1997-10-16 -- tkil
"381": "youreoper",
"382": "rehashing",
"384": "myportis",
"391": "time",
"392": "usersstart",
"393": "users",
"394": "endofusers",
"395": "nousers",
"401": "nosuchnick",
"402": "nosuchserver",
"403": "nosuchchannel",
"404": "cannotsendtochan",
"405": "toomanychannels",
"406": "wasnosuchnick",
"407": "toomanytargets",
"409": "noorigin",
"411": "norecipient",
"412": "notexttosend",
"413": "notoplevel",
"414": "wildtoplevel",
"421": "unknowncommand",
"422": "nomotd",
"423": "noadmininfo",
"424": "fileerror",
"431": "nonicknamegiven",
"432": "erroneusnickname", # Thiss iz how its speld in thee RFC.
"433": "nicknameinuse",
"436": "nickcollision",
"437": "unavailresource", # "Nick temporally unavailable"
"441": "usernotinchannel",
"442": "notonchannel",
"443": "useronchannel",
"444": "nologin",
"445": "summondisabled",
"446": "usersdisabled",
"451": "notregistered",
"461": "needmoreparams",
"462": "alreadyregistered",
"463": "nopermforhost",
"464": "passwdmismatch",
"465": "yourebannedcreep", # I love this one...
"466": "youwillbebanned",
"467": "keyset",
"471": "channelisfull",
"472": "unknownmode",
"473": "inviteonlychan",
"474": "bannedfromchan",
"475": "badchannelkey",
"476": "badchanmask",
"477": "nochanmodes", # "Channel doesn't support modes"
"478": "banlistfull",
"481": "noprivileges",
"482": "chanoprivsneeded",
"483": "cantkillserver",
"484": "restricted", # Connection is restricted
"485": "uniqopprivsneeded",
"491": "nooperhost",
"492": "noservicehost",
"501": "umodeunknownflag",
"502": "usersdontmatch",
}
generated_events = [
# Generated events
"dcc_connect",
"dcc_disconnect",
"dccmsg",
"disconnect",
"ctcp",
"ctcpreply",
]
protocol_events = [
# IRC protocol events
"error",
"join",
"kick",
"mode",
"part",
"ping",
"privmsg",
"privnotice",
"pubmsg",
"pubnotice",
"quit",
"invite",
"pong",
]
all_events = generated_events + protocol_events + numeric_events.values()
# from jaraco.util.itertools
def always_iterable(item):
"""
Given an object, always return an iterable. If the item is not
already iterable, return a tuple containing only the item.
>>> always_iterable([1,2,3])
[1, 2, 3]
>>> always_iterable('foo')
('foo',)
>>> always_iterable(None)
(None,)
>>> always_iterable(xrange(10))
xrange(10)
"""
if isinstance(item, basestring) or not hasattr(item, '__iter__'):
item = item,
return item
# from jaraco.util.string
class FoldedCase(str):
"""
A case insensitive string class; behaves just like str
except compares equal when the only variation is case.
>>> s = FoldedCase('hello world')
>>> s == 'Hello World'
True
>>> 'Hello World' == s
True
>>> s.index('O')
4
>>> s.split('O')
['hell', ' w', 'rld']
>>> names = map(FoldedCase, ['GAMMA', 'alpha', 'Beta'])
>>> names.sort()
>>> names
['alpha', 'Beta', 'GAMMA']
"""
def __lt__(self, other):
return self.lower() < other.lower()
def __gt__(self, other):
return self.lower() > other.lower()
def __eq__(self, other):
return self.lower() == other.lower()
def __hash__(self):
return hash(self.lower())
# cache lower since it's likely to be called frequently.
def lower(self):
self._lower = super(FoldedCase, self).lower()
self.lower = lambda: self._lower
return self._lower
def index(self, sub):
return self.lower().index(sub.lower())
def split(self, splitter=' ', maxsplit=0):
pattern = re.compile(re.escape(splitter), re.I)
return pattern.split(self, maxsplit)
class IRCFoldedCase(FoldedCase):
"""
A version of FoldedCase that honors the IRC specification for lowercased
strings (RFC 1459).
>>> IRCFoldedCase('Foo^').lower()
'foo~'
>>> IRCFoldedCase('[this]') == IRCFoldedCase('{THIS}')
True
"""
translation = string.maketrans(
string.ascii_uppercase + r"[]\^",
string.ascii_lowercase + r"{}|~",
)
def lower(self):
return self.translate(self.translation)
# for compatibility
def irc_lower(str):
return IRCFoldedCase(str).lower()
def total_seconds(td):
"""
Python 2.7 adds a total_seconds method to timedelta objects.
See http://docs.python.org/library/datetime.html#datetime.timedelta.total_seconds
"""
try:
result = td.total_seconds()
except AttributeError:
result = (td.microseconds + (td.seconds + td.days * 24 * 3600) * 10**6) / 10**6
return result