| 1 | # -*- coding:utf-8 -*- |
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| 2 | ## src/session.py |
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| 3 | ## |
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| 4 | ## Copyright (C) 2008 Yann Leboulanger <asterix AT lagaule.org> |
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| 5 | ## Brendan Taylor <whateley AT gmail.com> |
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| 6 | ## Jonathan Schleifer <js-gajim AT webkeks.org> |
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| 7 | ## Stephan Erb <steve-e AT h3c.de> |
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| 8 | ## |
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| 9 | ## This file is part of Gajim. |
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| 10 | ## |
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| 11 | ## Gajim is free software; you can redistribute it and/or modify |
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| 12 | ## it under the terms of the GNU General Public License as published |
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| 13 | ## by the Free Software Foundation; version 3 only. |
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| 14 | ## |
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| 15 | ## Gajim is distributed in the hope that it will be useful, |
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| 16 | ## but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 17 | ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 18 | ## GNU General Public License for more details. |
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| 19 | ## |
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| 20 | ## You should have received a copy of the GNU General Public License |
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| 21 | ## along with Gajim. If not, see <http://www.gnu.org/licenses/>. |
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| 22 | ## |
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| 23 | |
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| 24 | from common import helpers |
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| 25 | |
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| 26 | from common import exceptions |
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| 27 | from common import gajim |
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| 28 | from common import stanza_session |
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| 29 | from common import contacts |
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| 30 | |
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| 31 | import common.xmpp |
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| 32 | |
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| 33 | import message_control |
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| 34 | |
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| 35 | import notify |
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| 36 | |
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| 37 | import dialogs |
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| 38 | import negotiation |
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| 39 | |
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| 40 | class ChatControlSession(stanza_session.EncryptedStanzaSession): |
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| 41 | def __init__(self, conn, jid, thread_id, type_='chat'): |
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| 42 | stanza_session.EncryptedStanzaSession.__init__(self, conn, jid, thread_id, |
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| 43 | type_='chat') |
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| 44 | |
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| 45 | self.control = None |
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| 46 | |
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| 47 | def detach_from_control(self): |
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| 48 | if self.control: |
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| 49 | self.control.no_autonegotiation = False |
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| 50 | self.control.set_session(None) |
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| 51 | |
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| 52 | def acknowledge_termination(self): |
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| 53 | self.detach_from_control() |
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| 54 | stanza_session.EncryptedStanzaSession.acknowledge_termination(self) |
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| 55 | |
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| 56 | def terminate(self): |
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| 57 | stanza_session.EncryptedStanzaSession.terminate(self) |
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| 58 | self.detach_from_control() |
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| 59 | |
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| 60 | def get_chatstate(self, msg, msgtxt): |
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| 61 | '''extracts chatstate from a <message/> stanza''' |
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| 62 | composing_xep = None |
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| 63 | chatstate = None |
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| 64 | |
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| 65 | # chatstates - look for chatstate tags in a message if not delayed |
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| 66 | delayed = msg.getTag('x', namespace=common.xmpp.NS_DELAY) is not None |
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| 67 | if not delayed: |
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| 68 | composing_xep = False |
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| 69 | children = msg.getChildren() |
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| 70 | for child in children: |
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| 71 | if child.getNamespace() == 'http://jabber.org/protocol/chatstates': |
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| 72 | chatstate = child.getName() |
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| 73 | composing_xep = 'XEP-0085' |
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| 74 | break |
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| 75 | # No XEP-0085 support, fallback to XEP-0022 |
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| 76 | if not chatstate: |
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| 77 | chatstate_child = msg.getTag('x', namespace=common.xmpp.NS_EVENT) |
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| 78 | if chatstate_child: |
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| 79 | chatstate = 'active' |
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| 80 | composing_xep = 'XEP-0022' |
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| 81 | if not msgtxt and chatstate_child.getTag('composing'): |
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| 82 | chatstate = 'composing' |
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| 83 | |
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| 84 | return (composing_xep, chatstate) |
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| 85 | |
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| 86 | def received(self, full_jid_with_resource, msgtxt, tim, encrypted, msg): |
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| 87 | '''dispatch a received <message> stanza''' |
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| 88 | msg_type = msg.getType() |
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| 89 | subject = msg.getSubject() |
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| 90 | |
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| 91 | if not msg_type or msg_type not in ('chat', 'groupchat', 'error'): |
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| 92 | msg_type = 'normal' |
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| 93 | |
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| 94 | msg_id = None |
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| 95 | |
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| 96 | # XEP-0172 User Nickname |
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| 97 | user_nick = msg.getTagData('nick') |
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| 98 | if not user_nick: |
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| 99 | user_nick = '' |
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| 100 | |
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| 101 | form_node = None |
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| 102 | for xtag in msg.getTags('x'): |
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| 103 | if xtag.getNamespace() == common.xmpp.NS_DATA: |
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| 104 | form_node = xtag |
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| 105 | break |
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| 106 | |
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| 107 | composing_xep, chatstate = self.get_chatstate(msg, msgtxt) |
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| 108 | |
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| 109 | xhtml = msg.getXHTML() |
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| 110 | |
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| 111 | if msg_type == 'chat': |
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| 112 | if not msg.getTag('body') and chatstate is None: |
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| 113 | return |
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| 114 | |
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| 115 | log_type = 'chat_msg_recv' |
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| 116 | else: |
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| 117 | log_type = 'single_msg_recv' |
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| 118 | |
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| 119 | if self.is_loggable() and msgtxt: |
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| 120 | try: |
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| 121 | msg_id = gajim.logger.write(log_type, full_jid_with_resource, |
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| 122 | msgtxt, tim=tim, subject=subject) |
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| 123 | except exceptions.PysqliteOperationalError, e: |
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| 124 | self.conn.dispatch('ERROR', (_('Disk WriteError'), str(e))) |
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| 125 | |
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| 126 | treat_as = gajim.config.get('treat_incoming_messages') |
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| 127 | if treat_as: |
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| 128 | msg_type = treat_as |
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| 129 | |
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| 130 | jid = gajim.get_jid_without_resource(full_jid_with_resource) |
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| 131 | resource = gajim.get_resource_from_jid(full_jid_with_resource) |
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| 132 | |
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| 133 | if gajim.config.get('ignore_incoming_xhtml'): |
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| 134 | xhtml = None |
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| 135 | if gajim.jid_is_transport(jid): |
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| 136 | jid = jid.replace('@', '') |
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| 137 | |
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| 138 | groupchat_control = gajim.interface.msg_win_mgr.get_gc_control(jid, |
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| 139 | self.conn.name) |
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| 140 | |
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| 141 | if not groupchat_control and \ |
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| 142 | jid in gajim.interface.minimized_controls[self.conn.name]: |
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| 143 | groupchat_control = gajim.interface.minimized_controls[self.conn.name]\ |
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| 144 | [jid] |
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| 145 | |
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| 146 | pm = False |
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| 147 | if groupchat_control and groupchat_control.type_id == \ |
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| 148 | message_control.TYPE_GC and resource: |
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| 149 | # It's a Private message |
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| 150 | pm = True |
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| 151 | msg_type = 'pm' |
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| 152 | |
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| 153 | highest_contact = gajim.contacts.get_contact_with_highest_priority( |
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| 154 | self.conn.name, jid) |
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| 155 | |
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| 156 | # does this resource have the highest priority of any available? |
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| 157 | is_highest = not highest_contact or not highest_contact.resource or \ |
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| 158 | resource == highest_contact.resource or highest_contact.show == \ |
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| 159 | 'offline' |
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| 160 | |
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| 161 | # Handle chat states |
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| 162 | contact = gajim.contacts.get_contact(self.conn.name, jid, resource) |
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| 163 | if contact: |
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| 164 | if contact.composing_xep != 'XEP-0085': # We cache xep85 support |
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| 165 | contact.composing_xep = composing_xep |
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| 166 | if self.control and self.control.type_id == message_control.TYPE_CHAT: |
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| 167 | if chatstate is not None: |
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| 168 | # other peer sent us reply, so he supports jep85 or jep22 |
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| 169 | contact.chatstate = chatstate |
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| 170 | if contact.our_chatstate == 'ask': # we were jep85 disco? |
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| 171 | contact.our_chatstate = 'active' # no more |
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| 172 | self.control.handle_incoming_chatstate() |
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| 173 | elif contact.chatstate != 'active': |
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| 174 | # got no valid jep85 answer, peer does not support it |
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| 175 | contact.chatstate = False |
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| 176 | elif chatstate == 'active': |
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| 177 | # Brand new message, incoming. |
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| 178 | contact.our_chatstate = chatstate |
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| 179 | contact.chatstate = chatstate |
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| 180 | if msg_id: # Do not overwrite an existing msg_id with None |
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| 181 | contact.msg_id = msg_id |
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| 182 | |
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| 183 | # THIS MUST BE AFTER chatstates handling |
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| 184 | # AND BEFORE playsound (else we ear sounding on chatstates!) |
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| 185 | if not msgtxt: # empty message text |
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| 186 | return |
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| 187 | |
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| 188 | if gajim.config.get('ignore_unknown_contacts') and \ |
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| 189 | not gajim.contacts.get_contacts(self.conn.name, jid) and not pm: |
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| 190 | return |
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| 191 | |
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| 192 | if not contact: |
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| 193 | # contact is not in the roster, create a fake one to display |
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| 194 | # notification |
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| 195 | contact = contacts.Contact(jid=jid, resource=resource) |
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| 196 | |
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| 197 | advanced_notif_num = notify.get_advanced_notification('message_received', |
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| 198 | self.conn.name, contact) |
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| 199 | |
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| 200 | if not pm and is_highest: |
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| 201 | jid_of_control = jid |
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| 202 | else: |
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| 203 | jid_of_control = full_jid_with_resource |
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| 204 | |
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| 205 | if not self.control: |
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| 206 | ctrl = gajim.interface.msg_win_mgr.get_control(jid_of_control, |
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| 207 | self.conn.name) |
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| 208 | if ctrl: |
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| 209 | self.control = ctrl |
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| 210 | self.control.set_session(self) |
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| 211 | |
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| 212 | # Is it a first or next message received ? |
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| 213 | first = False |
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| 214 | if not self.control and not gajim.events.get_events(self.conn.name, \ |
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| 215 | jid_of_control, [msg_type]): |
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| 216 | first = True |
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| 217 | |
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| 218 | if pm: |
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| 219 | nickname = resource |
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| 220 | if self.control: |
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| 221 | # print if a control is open |
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| 222 | self.control.print_conversation(msgtxt, tim=tim, xhtml=xhtml, |
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| 223 | encrypted=encrypted) |
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| 224 | else: |
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| 225 | # otherwise pass it off to the control to be queued |
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| 226 | groupchat_control.on_private_message(nickname, msgtxt, tim, |
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| 227 | xhtml, self, msg_id=msg_id, encrypted=encrypted) |
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| 228 | else: |
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| 229 | self.roster_message(jid, msgtxt, tim, encrypted, msg_type, |
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| 230 | subject, resource, msg_id, user_nick, advanced_notif_num, |
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| 231 | xhtml=xhtml, form_node=form_node) |
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| 232 | |
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| 233 | nickname = gajim.get_name_from_jid(self.conn.name, jid) |
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| 234 | |
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| 235 | # Check and do wanted notifications |
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| 236 | msg = msgtxt |
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| 237 | if subject: |
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| 238 | msg = _('Subject: %s') % subject + '\n' + msg |
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| 239 | focused = False |
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| 240 | |
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| 241 | if self.control: |
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| 242 | parent_win = self.control.parent_win |
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| 243 | if self.control == parent_win.get_active_control() and \ |
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| 244 | parent_win.window.has_focus: |
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| 245 | focused = True |
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| 246 | |
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| 247 | notify.notify('new_message', jid_of_control, self.conn.name, [msg_type, |
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| 248 | first, nickname, msg, focused], advanced_notif_num) |
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| 249 | |
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| 250 | if gajim.interface.remote_ctrl: |
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| 251 | gajim.interface.remote_ctrl.raise_signal('NewMessage', (self.conn.name, |
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| 252 | [full_jid_with_resource, msgtxt, tim, encrypted, msg_type, subject, |
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| 253 | chatstate, msg_id, composing_xep, user_nick, xhtml, form_node])) |
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| 254 | |
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| 255 | def roster_message(self, jid, msg, tim, encrypted=False, msg_type='', |
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| 256 | subject=None, resource='', msg_id=None, user_nick='', |
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| 257 | advanced_notif_num=None, xhtml=None, form_node=None): |
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| 258 | '''display the message or show notification in the roster''' |
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| 259 | contact = None |
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| 260 | # if chat window will be for specific resource |
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| 261 | resource_for_chat = resource |
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| 262 | |
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| 263 | fjid = jid |
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| 264 | |
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| 265 | # Try to catch the contact with correct resource |
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| 266 | if resource: |
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| 267 | fjid = jid + '/' + resource |
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| 268 | contact = gajim.contacts.get_contact(self.conn.name, jid, resource) |
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| 269 | |
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| 270 | highest_contact = gajim.contacts.get_contact_with_highest_priority( |
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| 271 | self.conn.name, jid) |
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| 272 | if not contact: |
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| 273 | # If there is another resource, it may be a message from an invisible |
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| 274 | # resource |
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| 275 | lcontact = gajim.contacts.get_contacts(self.conn.name, jid) |
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| 276 | if (len(lcontact) > 1 or (lcontact and lcontact[0].resource and \ |
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| 277 | lcontact[0].show != 'offline')) and jid.find('@') > 0: |
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| 278 | contact = gajim.contacts.copy_contact(highest_contact) |
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| 279 | contact.resource = resource |
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| 280 | if resource: |
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| 281 | fjid = jid + '/' + resource |
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| 282 | contact.priority = 0 |
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| 283 | contact.show = 'offline' |
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| 284 | contact.status = '' |
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| 285 | gajim.contacts.add_contact(self.conn.name, contact) |
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| 286 | |
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| 287 | else: |
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| 288 | # Default to highest prio |
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| 289 | fjid = jid |
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| 290 | resource_for_chat = None |
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| 291 | contact = highest_contact |
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| 292 | |
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| 293 | if not contact: |
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| 294 | # contact is not in roster |
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| 295 | contact = gajim.interface.roster.add_to_not_in_the_roster( |
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| 296 | self.conn.name, jid, user_nick) |
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| 297 | |
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| 298 | if not self.control: |
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| 299 | # if no control exists and message comes from highest prio, the new |
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| 300 | # control shouldn't have a resource |
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| 301 | if highest_contact and contact.resource == highest_contact.resource \ |
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| 302 | and not jid == gajim.get_jid_from_account(self.conn.name): |
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| 303 | fjid = jid |
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| 304 | resource_for_chat = None |
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| 305 | |
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| 306 | # Do we have a queue? |
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| 307 | no_queue = len(gajim.events.get_events(self.conn.name, fjid)) == 0 |
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| 308 | |
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| 309 | popup = helpers.allow_popup_window(self.conn.name, advanced_notif_num) |
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| 310 | |
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| 311 | if msg_type == 'normal' and popup: # it's single message to be autopopuped |
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| 312 | dialogs.SingleMessageWindow(self.conn.name, contact.jid, |
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| 313 | action='receive', from_whom=jid, subject=subject, message=msg, |
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| 314 | resource=resource, session=self, form_node=form_node) |
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| 315 | return |
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| 316 | |
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| 317 | # We print if window is opened and it's not a single message |
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| 318 | if self.control and msg_type != 'normal': |
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| 319 | typ = '' |
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| 320 | |
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| 321 | if msg_type == 'error': |
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| 322 | typ = 'status' |
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| 323 | |
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| 324 | self.control.print_conversation(msg, typ, tim=tim, encrypted=encrypted, |
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| 325 | subject=subject, xhtml=xhtml) |
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| 326 | |
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| 327 | if msg_id: |
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| 328 | gajim.logger.set_read_messages([msg_id]) |
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| 329 | |
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| 330 | return |
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| 331 | |
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| 332 | # We save it in a queue |
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| 333 | type_ = 'chat' |
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| 334 | event_type = 'message_received' |
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| 335 | |
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| 336 | if msg_type == 'normal': |
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| 337 | type_ = 'normal' |
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| 338 | event_type = 'single_message_received' |
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| 339 | |
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| 340 | show_in_roster = notify.get_show_in_roster(event_type, self.conn.name, |
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| 341 | contact, self) |
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| 342 | show_in_systray = notify.get_show_in_systray(event_type, self.conn.name, |
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| 343 | contact) |
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| 344 | |
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| 345 | event = gajim.events.create_event(type_, (msg, subject, msg_type, tim, |
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| 346 | encrypted, resource, msg_id, xhtml, self, form_node), |
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| 347 | show_in_roster=show_in_roster, show_in_systray=show_in_systray) |
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| 348 | |
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| 349 | gajim.events.add_event(self.conn.name, fjid, event) |
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| 350 | |
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| 351 | if popup: |
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| 352 | if not self.control: |
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| 353 | self.control = gajim.interface.new_chat(contact, |
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| 354 | self.conn.name, resource=resource_for_chat, session=self) |
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| 355 | |
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| 356 | if len(gajim.events.get_events(self.conn.name, fjid)): |
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| 357 | self.control.read_queue() |
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| 358 | else: |
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| 359 | if no_queue: # We didn't have a queue: we change icons |
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| 360 | gajim.interface.roster.draw_contact(jid, self.conn.name) |
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| 361 | |
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| 362 | gajim.interface.roster.show_title() # we show the * or [n] |
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| 363 | # Select contact row in roster. |
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| 364 | gajim.interface.roster.select_contact(jid, self.conn.name) |
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| 365 | |
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| 366 | # ---- ESessions stuff --- |
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| 367 | |
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| 368 | def handle_negotiation(self, form): |
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| 369 | if form.getField('accept') and not form['accept'] in ('1', 'true'): |
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| 370 | self.cancelled_negotiation() |
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| 371 | return |
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| 372 | |
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| 373 | # encrypted session states. these are described in stanza_session.py |
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| 374 | |
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| 375 | try: |
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| 376 | # bob responds |
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| 377 | if form.getType() == 'form' and 'security' in form.asDict(): |
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| 378 | # we don't support 3-message negotiation as the responder |
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| 379 | if 'dhkeys' in form.asDict(): |
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| 380 | self.fail_bad_negotiation('3 message negotiation not supported ' |
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| 381 | 'when responding', ('dhkeys',)) |
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| 382 | return |
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| 383 | |
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| 384 | negotiated, not_acceptable, ask_user = self.verify_options_bob(form) |
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| 385 | |
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| 386 | if ask_user: |
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| 387 | def accept_nondefault_options(is_checked): |
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| 388 | self.dialog.destroy() |
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| 389 | negotiated.update(ask_user) |
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| 390 | self.respond_e2e_bob(form, negotiated, not_acceptable) |
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| 391 | |
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| 392 | def reject_nondefault_options(): |
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| 393 | self.dialog.destroy() |
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| 394 | for key in ask_user.keys(): |
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| 395 | not_acceptable.append(key) |
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| 396 | self.respond_e2e_bob(form, negotiated, not_acceptable) |
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| 397 | |
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| 398 | self.dialog = dialogs.YesNoDialog(_('Confirm these session ' |
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| 399 | 'options'), |
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| 400 | _('''The remote client wants to negotiate an session with these features: |
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| 401 | |
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| 402 | %s |
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| 403 | |
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| 404 | Are these options acceptable?''') % (negotiation.describe_features( |
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| 405 | ask_user)), |
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| 406 | on_response_yes=accept_nondefault_options, |
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| 407 | on_response_no=reject_nondefault_options) |
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| 408 | else: |
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| 409 | self.respond_e2e_bob(form, negotiated, not_acceptable) |
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| 410 | |
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| 411 | return |
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| 412 | |
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| 413 | # alice accepts |
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| 414 | elif self.status == 'requested-e2e' and form.getType() == 'submit': |
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| 415 | negotiated, not_acceptable, ask_user = self.verify_options_alice( |
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| 416 | form) |
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| 417 | |
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| 418 | if ask_user: |
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| 419 | def accept_nondefault_options(is_checked): |
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| 420 | dialog.destroy() |
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| 421 | |
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| 422 | negotiated.update(ask_user) |
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| 423 | |
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| 424 | try: |
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| 425 | self.accept_e2e_alice(form, negotiated) |
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| 426 | except exceptions.NegotiationError, details: |
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| 427 | self.fail_bad_negotiation(details) |
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| 428 | |
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| 429 | def reject_nondefault_options(): |
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| 430 | self.reject_negotiation() |
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| 431 | dialog.destroy() |
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| 432 | |
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| 433 | dialog = dialogs.YesNoDialog(_('Confirm these session options'), |
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| 434 | _('The remote client selected these options:\n\n%s\n\n' |
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| 435 | 'Continue with the session?') % ( |
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| 436 | negotiation.describe_features(ask_user)), |
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| 437 | on_response_yes = accept_nondefault_options, |
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| 438 | on_response_no = reject_nondefault_options) |
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| 439 | else: |
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| 440 | try: |
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| 441 | self.accept_e2e_alice(form, negotiated) |
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| 442 | except exceptions.NegotiationError, details: |
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| 443 | self.fail_bad_negotiation(details) |
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| 444 | |
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| 445 | return |
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| 446 | elif self.status == 'responded-e2e' and form.getType() == 'result': |
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| 447 | try: |
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| 448 | self.accept_e2e_bob(form) |
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| 449 | except exceptions.NegotiationError, details: |
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| 450 | self.fail_bad_negotiation(details) |
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| 451 | |
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| 452 | return |
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| 453 | elif self.status == 'identified-alice' and form.getType() == 'result': |
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| 454 | try: |
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| 455 | self.final_steps_alice(form) |
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| 456 | except exceptions.NegotiationError, details: |
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| 457 | self.fail_bad_negotiation(details) |
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| 458 | |
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| 459 | return |
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| 460 | except exceptions.Cancelled: |
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| 461 | # user cancelled the negotiation |
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| 462 | |
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| 463 | self.reject_negotiation() |
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| 464 | |
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| 465 | return |
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| 466 | |
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| 467 | if form.getField('terminate') and\ |
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| 468 | form.getField('terminate').getValue() in ('1', 'true'): |
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| 469 | self.acknowledge_termination() |
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| 470 | |
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| 471 | self.conn.delete_session(str(self.jid), self.thread_id) |
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| 472 | |
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| 473 | return |
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| 474 | |
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| 475 | # non-esession negotiation. this isn't very useful, but i'm keeping it |
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| 476 | # around to test my test suite. |
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| 477 | if form.getType() == 'form': |
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| 478 | if not self.control: |
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| 479 | jid, resource = gajim.get_room_and_nick_from_fjid(self.jid) |
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| 480 | |
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| 481 | account = self.conn.name |
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| 482 | contact = gajim.contacts.get_contact(account, self.jid, resource) |
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| 483 | |
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| 484 | if not contact: |
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| 485 | contact = gajim.contacts.create_contact(jid=jid, |
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| 486 | resource=resource, show=self.conn.get_status()) |
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| 487 | |
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| 488 | gajim.interface.new_chat(contact, account, resource=resource, |
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| 489 | session=self) |
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| 490 | |
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| 491 | negotiation.FeatureNegotiationWindow(account, self.jid, self, form) |
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| 492 | |
|---|
| 493 | # vim: se ts=3: |
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