summaryrefslogtreecommitdiff
path: root/src/connection.py
blob: 5c94b3fafdd3a9f00126a4572c8bd72086d41c30 (plain)
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
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
#!/usr/bin/python
# -*- coding:utf-8 -*-
#
# Copyright 2010 Le Coz Florent <louizatakk@fedoraproject.org>
#
# This file is part of Poezio.
#
# Poezio is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, version 3 of the License.
#
# Poezio is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Poezio.  If not, see <http://www.gnu.org/licenses/>.

"""
Defines the Connection class
"""

from gettext import (bindtextdomain, textdomain, bind_textdomain_codeset,
                     gettext as _)


bindtextdomain('poezio')
textdomain('poezio')
bind_textdomain_codeset('poezio', 'utf-8')
import locale
locale.setlocale(locale.LC_ALL, '')

import sys

import xmpp
from config import config
from logging import logger
from handler import Handler
from common import exception_handler
import threading

class Connection(threading.Thread):
    """
    Receives everything from Jabber and emits the
    appropriate signals
    """
    def __init__(self, server, resource):
        threading.Thread.__init__(self)
        self.handler = Handler()
        self.daemon = True      # exit the program when this thread exits
        if config.get('jid', '') == '':
            self.server = server
        else:
            self.server = jid_get_domain(config.get('jid', ''))
        self.resource = resource
        self.online = 0         # 1:connected, 2:auth confirmed
        self.jid = ''           # we don't know our jid yet (anon account)
        self.port = config.get('port', 5222)
        self.client = xmpp.Client(self.server, debug=[])

    def run(self):
        """
        run in a thread
        connect to server
        """
        sys.excepthook = exception_handler
        if not self.connect_to_server(self.server, self.port):
            self.handler.emit('error', msg='Could not connect to server')
            sys.exit(-1)
        if not self.authenticate(config.get('jid', '') == ''):
            self.handler.emit('error', msg='Could not authenticate to server')
            sys.exit(-1)
        # TODO, become invisible before sendInitPresence
        self.client.sendInitPresence(requestRoster=0)
        self.online = 1      # 2 when confirmation of our auth is received
        self.register_handlers()
        while 1:
            self.process()

    def connect_to_server(self, server, port):
        """
        Connect to the server
        """
        if config.get('use_proxy','false') == 'true':
            return self.client.connect((server, port),
                                       {'host': config.get("proxy_server", ""),
                                        'port': config.get("proxy_port", 1080),
                                        'user': config.get("proxy_user", ""),
                                        'password': config.get("proxy_password",
                                                               "")
                                        })
        else:
            return self.client.connect((server, port))

    def authenticate(self, anon=True):
        """
        Authenticate to the server
        """
        if anon:
            try:
                self.client.auth(None, "", self.resource)
                return True
            except TypeError:
                self.handler.emit('error', msg=_('Error: Could not \
                        authenticate. Please make sure the server you chose \
                        (%s) supports anonymous authentication'
                                                 % (config.get('server', ''))))
                return False
        else:
            password = config.get('password', '')
            jid = config.get('jid', '')
            auth = self.client.auth(jid_get_node(jid), password, "salut")
            return auth

    def register_handlers(self):
        """
        registers handlers from xmpppy signals
        """
        self.client.RegisterHandler('iq', self.on_get_time, typ='get',
                                    ns="urn:xmpp:time")
        self.client.RegisterHandler('iq', self.on_get_version, typ='get',
                                    ns=xmpp.NS_VERSION)
        self.client.RegisterHandler('presence', self.handler_presence)
        self.client.RegisterHandler('message', self.handler_message)

    def error_message(self, stanza):
        """
        handles the error messages
        """
        room_name = stanza.getFrom().getStripped()
        self.handler.emit('error-message', room=room_name,
                          error=stanza.getTag('error'),
                          msg=stanza.getError())
        raise xmpp.protocol.NodeProcessed

    def handler_presence(self, connection, presence):
        """
        handles the presence messages
        """
        if not connection:
            return
        if presence.getType() == 'error':
            self.error_message(presence)
            return
        fro = presence.getFrom()
        toj = presence.getAttr('to')
        if fro == toj:           # own presence
            self.online = 2
            self.jid = toj
            self.handler.emit('on-connected', jid=fro)
            return
        self.handler.emit('room-presence', stanza=presence)
        raise xmpp.protocol.NodeProcessed

    def handler_delayed_message(self, connection, message):
        """
        handles the delayed messages
        These are received when we join a muc and we are sent the
        recent history
        """
        if not connection:
            return
        self.handler.emit('room-delayed-message', stanza=message)
        raise xmpp.protocol.NodeProcessed

    def handler_message(self, connection, message):
        """
        handles the common messages
        """
        if not connection:
            return
        if message.getType() == 'error':
            self.error_message(message)
            return
        self.handler.emit('room-message', stanza=message)
        raise xmpp.protocol.NodeProcessed

    def process(self, timeout=10):
        """
        Main connection loop
        It just waits for something to process (something is received
        or something has to be sent)
        """
        if self.online:
            self.client.Process(timeout)
        else:
            logger.warning('disconnecting...')
            sys.exit()

    def on_get_version(self, connection, iq):
        """
        Handles the iq requesting our software version
        """
        if not connection:
            return
        self.handler.emit('send-version', iq_obj=iq)

    def on_get_time(self, connection, iq):
        """
        handles the iq requesting our  time
        """
        if not connection:
            return
        self.handler.emit('send-time', iq_obj=iq)

def jid_get_node(jid):
    if isinstance(jid, basestring):
        jid = xmpp.JID(jid)
    return jid.getNode()

def jid_get_domain(jid):
    if isinstance(jid, basestring):
        jid = xmpp.JID(jid)
    return jid.getDomain()