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395 lines
21 KiB
395 lines
21 KiB
# -*- encoding: utf-8 -*-
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##############################################################################
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#
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# Asterisk Click2dial module for OpenERP
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# Copyright (C) 2010-2012 Alexis de Lattre <alexis@via.ecp.fr>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as
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# published by the Free Software Foundation, either version 3 of the
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# License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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##############################################################################
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from osv import osv, fields
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# Lib required to open a socket (needed to communicate with Asterisk server)
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import socket
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# Lib required to print logs
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import logging
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# Lib to translate error messages
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from tools.translate import _
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# Lib for regexp
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import re
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_logger = logging.getLogger(__name__)
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class asterisk_server(osv.osv):
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'''Asterisk server object, to store all the parameters of the Asterisk IPBXs'''
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_name = "asterisk.server"
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_description = "Asterisk Servers"
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_columns = {
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'name': fields.char('Asterisk server name', size=50, required=True, help="Asterisk server name."),
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'active': fields.boolean('Active', help="The active field allows you to hide the Asterisk server without deleting it."),
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'ip_address': fields.char('Asterisk IP addr. or DNS', size=50, required=True, help="IP address or DNS name of the Asterisk server."),
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'port': fields.integer('Port', required=True, help="TCP port on which the Asterisk Manager Interface listens. Defined in /etc/asterisk/manager.conf on Asterisk."),
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'out_prefix': fields.char('Out prefix', size=4, help="Prefix to dial to place outgoing calls. If you don't use a prefix to place outgoing calls, leave empty."),
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'national_prefix': fields.char('National prefix', size=4, help="Prefix for national phone calls (don't include the 'out prefix'). For e.g., in France, the phone numbers look like '01 41 98 12 42' : the National prefix is '0'."),
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'international_prefix': fields.char('International prefix', required=True, size=4, help="Prefix to add to make international phone calls (don't include the 'out prefix'). For e.g., in France, the International prefix is '00'."),
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'country_prefix': fields.char('My country prefix', required=True, size=4, help="Phone prefix of the country where the Asterisk server is located. For e.g. the phone prefix for France is '33'. If the phone number to dial starts with the 'My country prefix', OpenERP will remove the country prefix from the phone number and add the 'out prefix' followed by the 'national prefix'. If the phone number to dial doesn't start with the 'My country prefix', OpenERP will add the 'out prefix' followed by the 'international prefix'."),
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'national_format_allowed': fields.boolean('National format allowed ?', help="Do we allow to use click2dial on phone numbers written in national format, e.g. 01 41 98 12 42, or only in the international format, e.g. +33 1 41 98 12 42 ?"),
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'login': fields.char('AMI login', size=30, required=True, help="Login that OpenERP will use to communicate with the Asterisk Manager Interface. Refer to /etc/asterisk/manager.conf on your Asterisk server."),
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'password': fields.char('AMI password', size=30, required=True, help="Password that Asterisk will use to communicate with the Asterisk Manager Interface. Refer to /etc/asterisk/manager.conf on your Asterisk server."),
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'context': fields.char('Dialplan context', size=50, required=True, help="Asterisk dialplan context from which the calls will be made. Refer to /etc/asterisk/extensions.conf on your Asterisk server."),
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'wait_time': fields.integer('Wait time (sec)', required=True, help="Amount of time (in seconds) Asterisk will try to reach the user's phone before hanging up."),
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'extension_priority': fields.integer('Extension priority', required=True, help="Priority of the extension in the Asterisk dialplan. Refer to /etc/asterisk/extensions.conf on your Asterisk server."),
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'alert_info': fields.char('Alert-Info SIP header', size=40, help="Set Alert-Info header in SIP request to user's IP Phone. If empty, the Alert-Info header will not be added. You can use it to have a special ring tone for click2dial, for example you could choose a silent ring tone."),
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'company_id': fields.many2one('res.company', 'Company', help="Company who uses the Asterisk server."),
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}
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_defaults = {
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'active': lambda *a: 1,
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'port': lambda *a: 5038, # Default AMI port
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'out_prefix': lambda *a: '0',
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'national_prefix': lambda *a: '0',
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'international_prefix': lambda *a: '00',
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'extension_priority': lambda *a: 1,
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'wait_time': lambda *a: 15,
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}
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def _check_validity(self, cr, uid, ids):
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for server in self.browse(cr, uid, ids):
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country_prefix = ('Country prefix', server.country_prefix)
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international_prefix = ('International prefix', server.international_prefix)
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out_prefix = ('Out prefix', server.out_prefix)
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national_prefix = ('National prefix', server.national_prefix)
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dialplan_context = ('Dialplan context', server.context)
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alert_info = ('Alert-Info SIP header', server.alert_info)
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login = ('AMI login', server.login)
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password = ('AMI password', server.password)
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for digit_prefix in [country_prefix, international_prefix, out_prefix, national_prefix]:
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if digit_prefix[1] and not digit_prefix[1].isdigit():
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raise osv.except_osv(_('Error :'), _("Only use digits for the '%s' on the Asterisk server '%s'" % (digit_prefix[0], server.name)))
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if server.wait_time < 1 or server.wait_time > 120:
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raise osv.except_osv(_('Error :'), _("You should set a 'Wait time' value between 1 and 120 seconds for the Asterisk server '%s'" % server.name))
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if server.extension_priority < 1:
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raise osv.except_osv(_('Error :'), _("The 'extension priority' must be a positive value for the Asterisk server '%s'" % server.name))
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if server.port > 65535 or server.port < 1:
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raise osv.except_osv(_('Error :'), _("You should set a TCP port between 1 and 65535 for the Asterik server '%s'" % server.name))
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for check_string in [dialplan_context, alert_info, login, password]:
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if check_string[1]:
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try:
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string = check_string[1].encode('ascii')
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except UnicodeEncodeError:
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raise osv.except_osv(_('Error :'), _("The '%s' should only have ASCII caracters for the Asterisk server '%s'" % (check_string[0], server.name)))
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return True
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_constraints = [
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(_check_validity, "Error message in raise", ['out_prefix', 'country_prefix', 'national_prefix', 'international_prefix', 'wait_time', 'extension_priority', 'port', 'context', 'alert_info', 'login', 'password']),
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]
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def reformat_number(self, cr, uid, ids, erp_number, ast_server, context=None):
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'''
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This function is dedicated to the transformation of the number
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available in OpenERP to the number that Asterisk should dial.
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You may have to inherit this function in another module specific
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for your company if you are not happy with the way I reformat
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the OpenERP numbers.
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'''
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error_title_msg = _("Invalid phone number")
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invalid_international_format_msg = _("The phone number is not written in valid international format. Example of valid international format : +33 1 41 98 12 42")
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invalid_national_format_msg = _("The phone number is not written in valid national format.")
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invalid_format_msg = _("The phone number is not written in valid format.")
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# Let's call the variable tmp_number now
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tmp_number = erp_number
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_logger.debug('Number before reformat = %s' % tmp_number)
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# Check if empty
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if not tmp_number:
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raise osv.except_osv(error_title_msg, invalid_format_msg)
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# First, we remove all stupid caracters and spaces
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for char_to_remove in [' ', '.', '(', ')', '[', ']', '-', '/']:
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tmp_number = tmp_number.replace(char_to_remove, '')
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# Before starting to use prefix, we convert empty prefix whose value
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# is False to an empty string
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country_prefix = (ast_server.country_prefix or '')
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national_prefix = (ast_server.national_prefix or '')
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international_prefix = (ast_server.international_prefix or '')
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out_prefix = (ast_server.out_prefix or '')
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# International format
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if tmp_number[0] == '+':
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# Remove the starting '+' of the number
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tmp_number = tmp_number.replace('+','')
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_logger.debug('Number after removal of special char = %s' % tmp_number)
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# At this stage, 'tmp_number' should only contain digits
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if not tmp_number.isdigit():
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raise osv.except_osv(error_title_msg, invalid_format_msg)
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_logger.debug('Country prefix = %s' % country_prefix)
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if country_prefix == tmp_number[0:len(country_prefix)]:
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# If the number is a national number,
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# remove 'my country prefix' and add 'national prefix'
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tmp_number = (national_prefix) + tmp_number[len(country_prefix):len(tmp_number)]
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_logger.debug('National prefix = %s - Number with national prefix = %s' % (national_prefix, tmp_number))
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else:
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# If the number is an international number,
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# add 'international prefix'
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tmp_number = international_prefix + tmp_number
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_logger.debug('International prefix = %s - Number with international prefix = %s' % (international_prefix, tmp_number))
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# National format, allowed
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elif ast_server.national_format_allowed:
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# No treatment required
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if not tmp_number.isdigit():
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raise osv.except_osv(error_title_msg, invalid_national_format_msg)
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# National format, disallowed
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elif not ast_server.national_format_allowed:
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raise osv.except_osv(error_title_msg, invalid_international_format_msg)
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# Add 'out prefix' to all numbers
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tmp_number = out_prefix + tmp_number
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_logger.debug('Out prefix = %s - Number to be sent to Asterisk = %s' % (out_prefix, tmp_number))
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return tmp_number
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def _parse_asterisk_answer(self, cr, uid, sock, context=None):
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'''Parse the answer of the Asterisk Manager Interface'''
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answer = ''
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data = ''
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while '\r\n\r\n' not in data:
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data = sock.recv(1024)
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if data:
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answer += data
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return answer
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def dial(self, cr, uid, ids, erp_number, context=None):
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'''
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Open the socket to the Asterisk Manager Interface (AMI)
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and send instructions to Dial to Asterisk. That's the important function !
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'''
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user = self.pool.get('res.users').browse(cr, uid, uid, context=context)
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# Check if the number to dial is not empty
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if not erp_number:
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raise osv.except_osv(_('Error :'), _('There is no phone number !'))
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# Note : if I write 'Error' without ' :', it won't get translated...
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# I don't understand why !
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# We check if the user has an Asterisk server configured
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if user.asterisk_server_id.id:
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ast_server = user.asterisk_server_id
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else:
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asterisk_server_ids = self.search(cr, uid, [('company_id', '=', user.company_id.id)], context=context)
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# If no asterisk server is configured on the user, we take the first one
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if not asterisk_server_ids:
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raise osv.except_osv(_('Error :'), _("No Asterisk server configured for the company '%s'.") % user.company_id.name)
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else:
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ast_server = self.browse(cr, uid, asterisk_server_ids[0], context=context)
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# We check if the current user has a chan type
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if not user.asterisk_chan_type:
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raise osv.except_osv(_('Error :'), _('No channel type configured for the current user.'))
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# We check if the current user has an internal number
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if not user.internal_number:
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raise osv.except_osv(_('Error :'), _('No internal phone number configured for the current user'))
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# The user should also have a CallerID
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if not user.callerid:
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raise osv.except_osv(_('Error :'), _('No callerID configured for the current user'))
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# Convert the phone number in the format that will be sent to Asterisk
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ast_number = self.reformat_number(cr, uid, ids, erp_number, ast_server, context=context)
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_logger.debug("User dialing : channel = %s/%s - Callerid = %s" % (user.asterisk_chan_type, user.internal_number, user.callerid))
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_logger.debug("Asterisk server = %s:%d" % (ast_server.ip_address, ast_server.port))
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# Connect to the Asterisk Manager Interface, using IPv6-ready code
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try:
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res = socket.getaddrinfo(str(ast_server.ip_address), ast_server.port, socket.AF_UNSPEC, socket.SOCK_STREAM)
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except:
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_logger.warning("Can't resolve the DNS of the Asterisk server '%s'" % ast_server.ip_address)
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raise osv.except_osv(_('Error :'), _("Can't resolve the DNS of the Asterisk server : '%s'" % ast_server.ip_address))
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for result in res:
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af, socktype, proto, canonname, sockaddr = result
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sock = socket.socket(af, socktype, proto)
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try:
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sock.connect(sockaddr)
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header_received = sock.recv(1024)
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_logger.debug('Header received from Asterisk : %s' % header_received)
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# Login to Asterisk
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login_act = 'Action: login\r\n' + \
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'Events: off\r\n' + \
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'Username: ' + ast_server.login + '\r\n' + \
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'Secret: ' + ast_server.password + '\r\n\r\n'
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sock.send(login_act.encode('ascii'))
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login_answer = self._parse_asterisk_answer(cr, uid, sock, context=context)
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if 'Response: Success' in login_answer:
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_logger.debug("Successful authentification to Asterisk : %s" % login_answer)
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else:
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raise osv.except_osv(_('Error :'), _("Authentification to Asterisk failed :\n%s" % login_answer))
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# Dial with Asterisk
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originate_act = 'Action: originate\r\n' + \
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'Channel: ' + user.asterisk_chan_type + '/' + user.internal_number + '\r\n' + \
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'Priority: ' + str(ast_server.extension_priority) + '\r\n' + \
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'Timeout: ' + str(ast_server.wait_time*1000) + '\r\n' + \
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'CallerId: ' + user.callerid + '\r\n' + \
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'Exten: ' + ast_number + '\r\n' + \
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'Context: ' + ast_server.context + '\r\n'
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if ast_server.alert_info and user.asterisk_chan_type == 'SIP':
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originate_act += 'Variable: SIPAddHeader=Alert-Info: ' + ast_server.alert_info + '\r\n'
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originate_act += '\r\n'
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sock.send(originate_act.encode('ascii'))
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originate_answer = self._parse_asterisk_answer(cr, uid, sock, context=context)
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if 'Response: Success' in originate_answer:
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_logger.debug('Successfull originate command : %s' % originate_answer)
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else:
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raise osv.except_osv(_('Error :'), _("Click to dial with Asterisk failed :\n%s" % originate_answer))
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# Logout of Asterisk
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sock.send(('Action: Logoff\r\n\r\n').encode('ascii'))
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logout_answer = self._parse_asterisk_answer(cr, uid, sock, context=context)
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if 'Response: Goodbye' in logout_answer:
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_logger.debug('Successfull logout from Asterisk : %s' % logout_answer)
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else:
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_logger.warning('Logout from Asterisk failed : %s' % logout_answer)
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# we catch only network problems here
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except socket.error:
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_logger.warning("Click2dial failed : unable to connect to Asterisk")
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raise osv.except_osv(_('Error :'), _("The connection from OpenERP to the Asterisk server failed. Please check the configuration on OpenERP and on Asterisk."))
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finally:
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sock.close()
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_logger.info("Asterisk Click2Dial from %s/%s to %s" % (user.asterisk_chan_type, user.internal_number, ast_number))
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return True
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asterisk_server()
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# Parameters specific for each user
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class res_users(osv.osv):
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_name = "res.users"
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_inherit = "res.users"
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_columns = {
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'internal_number': fields.char('Internal number', size=15,
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help="User's internal phone number."),
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'callerid': fields.char('Caller ID', size=50,
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help="Caller ID used for the calls initiated by this user."),
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'asterisk_chan_type': fields.selection([
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('SIP', 'SIP'),
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('IAX2', 'IAX2'),
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('DAHDI', 'DAHDI'),
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('Zap', 'Zap'),
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('Skinny', 'Skinny'),
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('MGCP', 'MGCP'),
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('mISDN', 'mISDN'),
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('H323', 'H323'),
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], 'Asterisk channel type',
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help="Asterisk channel type, as used in the Asterisk dialplan. If the user has a regular IP phone, the channel type is 'SIP'."),
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'asterisk_server_id': fields.many2one('asterisk.server', 'Asterisk server',
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help="Asterisk server on which the user's phone is connected. If you leave this field empty, it will use the first Asterisk server of the user's company."),
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}
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_defaults = {
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'asterisk_chan_type': lambda *a: 'SIP',
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}
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def _check_validity(self, cr, uid, ids):
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for user in self.browse(cr, uid, ids):
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for check_string in [('Internal number', user.internal_number), ('Caller ID', user.callerid)]:
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if check_string[1]:
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try:
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plom = check_string[1].encode('ascii')
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except UnicodeEncodeError:
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raise osv.except_osv(_('Error :'), _("The '%s' for the user '%s' should only have ASCII caracters" % (check_string[0], user.name)))
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return True
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_constraints = [
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(_check_validity, "Error message in raise", ['internal_number', 'callerid']),
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]
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res_users()
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class res_partner_address(osv.osv):
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_name = "res.partner.address"
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_inherit = "res.partner.address"
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def action_dial_phone(self, cr, uid, ids, context=None):
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'''Function called by the button 'Dial' next to the 'phone' field
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in the partner address view'''
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erp_number = self.read(cr, uid, ids, ['phone'], context=context)[0]['phone']
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return self.pool.get('asterisk.server').dial(cr, uid, ids, erp_number, context=context)
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def action_dial_mobile(self, cr, uid, ids, context=None):
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'''Function called by the button 'Dial' next to the 'mobile' field
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in the partner address view'''
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erp_number = self.read(cr, uid, ids, ['mobile'], context=context)[0]['mobile']
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return self.pool.get('asterisk.server').dial(cr, uid, ids, erp_number, context=context)
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def get_name_from_phone_number(self, cr, uid, number, context=None):
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'''Function to get name from phone number. Usefull for use from Asterisk
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to add CallerID name to incoming calls.
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The "scripts/" subdirectory of this module has an AGI script that you can
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install on your Asterisk IPBX : the script will be called from the Asterisk
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dialplan via the AGI() function and it will use this function via an XML-RPC
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request.
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'''
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res = {}
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# We check that "number" is really a number
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if not isinstance(number, str):
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return False
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if not number.isdigit():
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return False
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_logger.debug(u"Call get_name_from_phone_number with number = %s" % number)
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# Get all the partner addresses :
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all_ids = self.search(cr, uid, [], context=context)
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# For each partner address, we check if the number matches on the "phone" or "mobile" fields
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for entry in self.browse(cr, uid, all_ids, context=context):
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if entry.phone:
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# We use a regexp on the phone field to remove non-digit caracters
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if re.sub(r'\D', '', entry.phone).endswith(number):
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_logger.debug(u"Answer get_name_from_phone_number with name = %s" % entry.name)
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return entry.name
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if entry.mobile:
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if re.sub(r'\D', '', entry.mobile).endswith(number):
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_logger.debug(u"Answer get_name_from_phone_number with name = %s" % entry.name)
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return entry.name
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_logger.debug(u"No match for phone number %s" % number)
|
|
return False
|
|
|
|
res_partner_address()
|
|
|
|
|
|
# This module supports multi-company
|
|
class res_company(osv.osv):
|
|
_name = "res.company"
|
|
_inherit = "res.company"
|
|
_columns = {
|
|
'asterisk_server_ids': fields.one2many('asterisk.server', 'company_id', 'Asterisk servers', help="List of Asterisk servers.")
|
|
}
|
|
|
|
res_company()
|