fusionpbx/resources/install/scripts/app/toll_allow/index.lua

213 lines
7.3 KiB
Lua

--
-- FusionPBX
-- Version: MPL 1.1
--
-- The contents of this file are subject to the Mozilla Public License Version
-- 1.1 (the "License"); you may not use this file except in compliance with
-- the License. You may obtain a copy of the License at
-- http://www.mozilla.org/MPL/
--
-- Software distributed under the License is distributed on an "AS IS" basis,
-- WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
-- for the specific language governing rights and limitations under the
-- License.
--
-- The Original Code is FusionPBX
--
-- The Initial Developer of the Original Code is
-- Mark J Crane <markjcrane@fusionpbx.com>
-- Copyright (C) 2010-2014
-- the Initial Developer. All Rights Reserved.
--
-- Contributor(s):
-- Riccardo Granchi <riccardo.granchi@nems.it>
-- Philippe Rioual <bhouba@gmail.com>
-- Alexey Melnichuck <alexeymelnichuck@gmail.com>
--Configuration
-- Define known template names
local known_templates = {
["mobile" ] = true,
["landline" ] = true,
["international"] = true,
["tollfree" ] = true,
["sharedcharge" ] = true,
["premium" ] = true,
["unknown" ] = true,
}
--Define templates for every toll type for your country
local templates = {
IT = {
{"mobile", "[35]%d%d%d%d%d%d+" },
{"landline", "0[123456789]%d+" },
{"international", "00%d+" },
{"tollfree", "119|1[3456789]%d|19[24]%d|192[01]%d%d|800%d%d%d%d%d+|803%d%d%d+|456%d%d%d%d%d%d+|11[2345678]|15%d%d|116%d%d%d|196%d%d" },
{"sharedcharge", "84[0178]%d%d%d%d+|199%d%d%d%d%d+|178%d%d%d%d%d+|12%d%d|10%d%d%d+|1482|149%d+|4[012]%d+|70%d%d%d%d%d+" },
{"premium", "89[2459]%d%d%d+|16[456]%d%d%d+|144%d%d%d+|4[346789]%d%d+" },
{"unknown", "%d%d+" },
};
FR = {
{"mobile", "0[67]%d%d%d%d%d%d%d%d" },
{"landline", "0[1234589]%d%d%d%d%d%d%d%d" },
{"international", "00%d+" },
{"tollfree", "15|17|18|112|114|115|116%d%d%d|118%d%d%d|119|19[16]|1[06]%d%d|080%d+" },
{"sharedcharge", "081%d+|082[0156]%d+|0884%d+|089[0123789]%d+" },
{"premium", "%d%d+" },
{"unknown", "%d%d+" },
};
US = {
{"unknown", "%d+"},
};
RU = {
{"international", "810%d+|8[89]40%d+|87%d%d%d%d%d%d%d%d%d"};
{"mobile", "89%d%d%d%d%d%d%d%d%d" };
{"tollfree", "8800%d%d%d%d%d%d%d|10[1-9]" };
{"landline", "8[3-68]%d%d%d%d%d%d%d%d%d" };
{"unknown", "" };
};
ZA = {
{"international", "00%d+" };
{"mobile", "0[6-8]%d%d%d%d%d%d%d%d" };
{"landline", "0[1-5]%d%d%d%d%d%d%d%d" };
{"unknown", "" };
};
}
--Set to true to allow all calls for extensions without toll_allow
local ACCEPT_EMPTY_TOLL_ALLOW = false
--debug
debug["toll_type"] = false
require "resources.functions.explode";
--create the api object and get variables
local api = freeswitch.API()
local uuid = argv[2]
if not uuid or uuid == "" then
return
end
local function hungup()
session:hangup("OUTGOING_CALL_BARRED")
end
local function log(level, msg)
freeswitch.consoleLog(level, "[toll_allow] " .. msg .. "\n")
end
local function logf(level, ...)
return log(level, string.format(...))
end
local function trace(type, ...)
if debug[type] then log(...) end
end
local function tracef(type, ...)
if debug[type] then logf(...) end
end
local function channel_variable(uuid, name)
local result = api:executeString("uuid_getvar " .. uuid .. " " .. name)
tracef("toll_type", "NOTICE", "channel_variable %s - %s", name, result)
if result:sub(1, 4) == '-ERR' then return nil end
return result
end
local function template_match(prefix, template, called)
local parts = explode("|", template)
for index,part in ipairs(parts) do
local pattern = "^" .. prefix .. part .. "$"
if ( string.match(called, pattern) ~= nil ) then
return pattern
end
end
end
local function get_toll_type(prefix, templates, called)
for _,params in ipairs(templates) do
local label, template = params[1], params[2]
if not known_templates[label] then
logf("WARNING", "unknown template name: %s in country template array", label)
end
trace("toll_type", "NOTICE", "checking toll type " .. label .. " template: " .. template)
local pattern = template_match(prefix, template, called)
if pattern then
trace("toll_type", "NOTICE", "destination number " .. called .. " matches " .. label .. " pattern: " .. pattern)
return label
end
end
end
local function is_undef(str)
return (not str) or (#str == 0) or (str == "_undef_")
end
local called = channel_variable(uuid, "destination_number") or ""
local caller = channel_variable(uuid, "caller_id_number") or ""
local prefix = channel_variable(uuid, "outbound_prefix") or ""
local country = channel_variable(uuid, "default_country") or ""
local toll_allow = channel_variable(uuid, "toll_allow") or ""
if (debug["toll_type"]) then
logf("NOTICE", "called: %s", called)
logf("NOTICE", "prefix: %s", prefix)
logf("NOTICE", "country: %s", country)
logf("NOTICE", "tollAllow: %s", toll_allow)
end
if is_undef(toll_allow) then
if ACCEPT_EMPTY_TOLL_ALLOW then
logf("NOTICE", "unknown call authorized from %s to %s", caller, called)
return
end
logf("WARNING", "unknown call not authorized from %s to %s : OUTGOING_CALL_BARRED", caller, called)
return hungup()
end
if is_undef(prefix) then
prefix = ""
end
if is_undef(country) then
log("WARNING", "undefined country")
return
end
local templates = templates[country]
if not templates then
log("WARNING", "undefined templates")
return
end
--set toll_type
local toll_type = get_toll_type(prefix, templates, called) or "unknown"
log("NOTICE", "toll type: " .. toll_type)
local parts = explode(",", toll_allow)
for i,part in ipairs(parts) do
if not known_templates[part] then
logf("WARNING", "unknown toll_allow name: %s in extension", part)
end
tracef("toll_type", "NOTICE", "checking toll allow part " .. part)
if ( part == toll_type ) then
logf("NOTICE", "%s call authorized from %s to %s", toll_type, caller, called)
return
end
end
logf("WARNING", "%s call not authorized from %s to %s : OUTGOING_CALL_BARRED", toll_type, caller, called)
return hungup()