1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
|
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
Slixmpp: The Slick XMPP Library
Copyright (C) 2010 Nathanael C. Fritz
This file is part of Slixmpp.
See the file LICENSE for copying permission.
"""
import logging
from getpass import getpass
from argparse import ArgumentParser
import slixmpp
from slixmpp.exceptions import IqError, IqTimeout
class Disco(slixmpp.ClientXMPP):
"""
A demonstration for using basic service discovery.
Send a disco#info and disco#items request to a JID/node combination,
and print out the results.
May also request only particular info categories such as just features,
or just items.
"""
def __init__(self, jid, password, target_jid, target_node='', get=''):
slixmpp.ClientXMPP.__init__(self, jid, password)
# Using service discovery requires the XEP-0030 plugin.
self.register_plugin('xep_0030')
self.get = get
self.target_jid = target_jid
self.target_node = target_node
# Values to control which disco entities are reported
self.info_types = ['', 'all', 'info', 'identities', 'features']
self.identity_types = ['', 'all', 'info', 'identities']
self.feature_types = ['', 'all', 'info', 'features']
self.items_types = ['', 'all', 'items']
# The session_start event will be triggered when
# the bot establishes its connection with the server
# and the XML streams are ready for use. We want to
# listen for this event so that we we can initialize
# our roster.
self.add_event_handler("session_start", self.start)
async def start(self, event):
"""
Process the session_start event.
Typical actions for the session_start event are
requesting the roster and broadcasting an initial
presence stanza.
In this case, we send disco#info and disco#items
stanzas to the requested JID and print the results.
Arguments:
event -- An empty dictionary. The session_start
event does not provide any additional
data.
"""
await self.get_roster()
self.send_presence()
try:
if self.get in self.info_types:
# function using the callback parameter.
info = await self['xep_0030'].get_info(jid=self.target_jid,
node=self.target_node)
if self.get in self.items_types:
# The same applies from above. Listen for the
# disco_items event or pass a callback function
# if you need to process a non-blocking request.
items = await self['xep_0030'].get_items(jid=self.target_jid,
node=self.target_node)
if self.get not in self.info_types and self.get not in self.items_types:
logging.error("Invalid disco request type.")
return
except IqError as e:
logging.error("Entity returned an error: %s" % e.iq['error']['condition'])
except IqTimeout:
logging.error("No response received.")
else:
header = 'XMPP Service Discovery: %s' % self.target_jid
print(header)
print('-' * len(header))
if self.target_node != '':
print('Node: %s' % self.target_node)
print('-' * len(header))
if self.get in self.identity_types:
print('Identities:')
for identity in info['disco_info']['identities']:
print(' - %s' % str(identity))
if self.get in self.feature_types:
print('Features:')
for feature in info['disco_info']['features']:
print(' - %s' % feature)
if self.get in self.items_types:
print('Items:')
for item in items['disco_items']['items']:
print(' - %s' % str(item))
finally:
self.disconnect()
if __name__ == '__main__':
# Setup the command line arguments.
parser = ArgumentParser(description=Disco.__doc__)
parser.add_argument("-q","--quiet", help="set logging to ERROR",
action="store_const",
dest="loglevel",
const=logging.ERROR,
default=logging.ERROR)
parser.add_argument("-d","--debug", help="set logging to DEBUG",
action="store_const",
dest="loglevel",
const=logging.DEBUG,
default=logging.ERROR)
# JID and password options.
parser.add_argument("-j", "--jid", dest="jid",
help="JID to use")
parser.add_argument("-p", "--password", dest="password",
help="password to use")
parser.add_argument("query", choices=["all", "info", "items", "identities", "features"])
parser.add_argument("target_jid")
parser.add_argument("node", nargs='?')
args = parser.parse_args()
# Setup logging.
logging.basicConfig(level=args.loglevel,
format='%(levelname)-8s %(message)s')
if args.jid is None:
args.jid = input("Username: ")
if args.password is None:
args.password = getpass("Password: ")
# Setup the Disco browser.
xmpp = Disco(args.jid, args.password, args.target_jid, args.node, args.query)
# Connect to the XMPP server and start processing XMPP stanzas.
xmpp.connect()
xmpp.process(forever=False)
|
