Delete index.lua
Deleting this file because I've written a new call block lua script entirely from scratch without referring to this code.
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--
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-- call_block
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-- Version: MPL 1.1
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--
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-- The contents of this file are subject to the Mozilla Public License Version
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-- 1.1 (the "License"); you may not use this file except in compliance with
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-- the License. You may obtain a copy of the License at
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-- http://www.mozilla.org/MPL/
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--
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-- Software distributed under the License is distributed on an "AS IS" basis,
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-- WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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-- for the specific language governing rights and limitations under the
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-- License.
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--
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-- The Original Code is call_block-FS
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--
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-- The Initial Developer of the Original Code is
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-- Gerrit Visser <gerrit308@gmail.com>
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-- Copyright (C) 2011
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-- the Initial Developer. All Rights Reserved.
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--
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-- Contributor(s):
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-- Gerrit Visser <gerrit308@gmail.com>
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-- Mark J Crane <markjcrane@fusionpbx.com>
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--[[
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This module provides for Blacklisting of phone numbers. Essentially these are numbers that you do not want to hear from again!
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To call this script and pass it arguments:
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1. On the command line, e.g. in a FS incoming dialplan: <action application="lua" data="call_block.lua C"/>
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This method causes the script to get its manadatory arguments directly from the Session
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]]
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--[[ Change Log:
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15 Jun, 2011: initial release > FusionPBX
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15 Jun, 2011: Added loglevel parameter and logger function to simplify control of debug output
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4 May, 2012: tested with FusionPBX V3
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4 May, 2012: added per_tenant capability (domain based)
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12 Jun, 2013: update the database connection, change table name from v_callblock to v_call_block
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14 Jun, 2013: Change Voicemail option to use Transfer, avoids mod_voicemail dependency
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27 Sep, 2013: Changed the name of the fields to conform with the table name
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12 Feb, 2018: Added support for regular expressions and SQL "like" matching on the phone number
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]]
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--set defaults
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expire = {}
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expire["call_block"] = "900";
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source = "";
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--includes
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local cache = require"resources.functions.cache"
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local log = require"resources.functions.log"["call_block"];
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--json = require "resources.functions.lunajson";
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-- Command line parameters
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local params = {
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cid_num = string.match(tostring(session:getVariable("caller_id_number")), "%d+"),
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cid_name = session:getVariable("caller_id_name"),
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domain_name = session:getVariable("domain_name"),
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userid = "", -- session:getVariable("id")
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loglevel = "W" -- Warning, Debug, Info
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}
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--check if cid_num is numeric
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if (tonumber(params["cid_num"]) == nil) then
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return
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end
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-- local storage
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local sql = nil
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--define the functions
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local Settings = require "resources.functions.lazy_settings"
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local Database = require "resources.functions.database"
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require "resources.functions.trim";
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--define the logger function
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local function logger(level, log, data)
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-- output data to console 'log' if debug level is on
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if string.find(params["loglevel"], level) then
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freeswitch.consoleLog(log, "[call_block] " .. data .. "\n")
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end
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end
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--set the api object
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api = freeswitch.API();
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-- ensure that we have a fresh status on exit
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session:setVariable("call_block", "");
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-- get the configuration variables from the DB
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local db = dbh or Database.new('system')
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local settings = Settings.new(db, domain_name, domain_uuid)
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local call_block_matching = settings:get('call_block', 'call_block_matching', 'text');
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--send to the log
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logger("D", "NOTICE", "params are: " .. string.format("'%s', '%s', '%s', '%s'", params["cid_num"],
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params["cid_name"], params["userid"], params["domain_name"]));
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--set the dialplan cache key
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local cache_key = "app:call_block:" .. params["domain_name"] .. ":" .. params["cid_num"];
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--get the cache
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cache_data, err = cache.get(cache_key);
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if (debug['cache']) then
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if cache_data then
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log.notice(cache_key.." source: cache");
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elseif (not cache_data) then
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log.notice("error get element from cache: " .. err);
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end
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end
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--connect to the database
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Database = require "resources.functions.database";
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dbh = Database.new('system');
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--log if not connect
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if dbh:connected() == false then
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logger("W", "NOTICE", "db was not connected")
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end
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--check if the the call block is blocked
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sql = "SELECT * FROM v_call_block as c "
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sql = sql .. "JOIN v_domains as d ON c.domain_uuid=d.domain_uuid "
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if ((database["type"] == "pgsql") and (call_block_matching == "regex")) then
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logger("W", "NOTICE", "call_block using regex match on cid_num")
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sql = sql .. "WHERE :cid_num ~ c.call_block_number AND d.domain_name = :domain_name "
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elseif (((database["type"] == "mysql") or (database["type"] == "sqlite")) and (call_block_matching == "regex")) then
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logger("W", "NOTICE", "call_block using regex match on cid_num")
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sql = sql .. "WHERE :cid_num REGEXP c.call_block_number AND d.domain_name = :domain_name "
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elseif call_block_matching == "like" then
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logger("W", "NOTICE", "call_block using like match on cid_num")
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sql = sql .. "WHERE :cid_num LIKE c.call_block_number AND d.domain_name = :domain_name "
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else
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logger("W", "NOTICE", "call_block using exact match on cid_num")
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sql = sql .. "WHERE :cid_num = c.call_block_number AND d.domain_name = :domain_name "
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end
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--freeswitch.consoleLog("notice", "[call_block] " .. sql .. "\n");
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dbh:query(sql, params, function(rows)
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found_cid_num = rows["call_block_number"];
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found_uuid = rows["call_block_uuid"];
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found_enabled = rows["call_block_enabled"];
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found_action = rows["call_block_action"];
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found_count = rows["call_block_count"];
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end)
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-- dbh:affected_rows() doesn't do anything if using core:db so this is the workaround:
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--check if number is in call_block list then increment the counter and block the call
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--if not cached then get the information from the database
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if (not cache_data) then
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--set the cache
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if (found_cid_num) then -- caller id exists
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if (found_enabled == "true") then
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--set the cache
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cache_data = "found_cid_num=" .. found_cid_num .. "&found_uuid=" .. found_uuid .. "&found_enabled=" .. found_enabled .. "&found_action=" .. found_action;
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local ok, err = cache.set(cache_key, cache_data, expire["call_block"]);
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if debug["cache"] then
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if ok then
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freeswitch.consoleLog("notice", "[call_block] " .. cache_key .. " stored in the cache\n");
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else
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freeswitch.consoleLog("warning", "[call_block] " .. cache_key .. " can not be stored in the cache: " .. tostring(err) .. "\n");
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end
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end
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--set the source
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source = "database";
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end
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end
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else
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--get from the cache
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--add the function
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require "resources.functions.explode";
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--parse the cache
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array = explode("&", cache_data);
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--define the array/table and variables
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local var = {}
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local key = "";
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local value = "";
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--parse the cache
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key_pairs = explode("&", cache_data);
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for k,v in pairs(key_pairs) do
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f = explode("=", v);
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key = f[1];
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value = f[2];
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var[key] = value;
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end
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--set the variables
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found_cid_num = var["found_cid_num"];
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found_uuid = var["found_uuid"];
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found_enabled = var["found_enabled"];
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found_action = var["found_action"];
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--set the source
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source = "cache";
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end
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--debug information
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--freeswitch.consoleLog("error", "[call_block] " .. cache_data .. "\n");
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--freeswitch.consoleLog("error", "[call_block] found_cid_num = " .. found_cid_num .. "\n");
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--freeswitch.consoleLog("error", "[call_block] found_enabled = " .. found_enabled .. "\n");
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--freeswitch.consoleLog("error", "[call_block] source = " .. source .. "\n");
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--freeswitch.consoleLog("error", "[call_block] found_count = " .. found_count .. "\n");
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--block the call
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if found_cid_num then -- caller id exists
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if (found_enabled == "true") then
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details = {}
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k = 0
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for v in string.gmatch(found_action, "[%w%.]+") do
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details[k] = v
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--logger("W", "INFO", "Details: " .. details[k])
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k = k + 1
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end
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logger("W", "NOTICE", "number " .. params["cid_num"] .. " blocked with " .. found_count .. " previous hits, domain_name: " .. params["domain_name"])
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-- Command line parameters
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local params = {
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call_block_count = found_count + 1,
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call_block_uuid = found_uuid
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}
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--update the call block count
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local sql = "UPDATE v_call_block SET call_block_count = :call_block_count WHERE call_block_uuid = :call_block_uuid";
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dbh:query(sql, params);
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freeswitch.consoleLog("error", "[call_block] udpate\n");
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--freeswitch.consoleLog("error", "[call_block] sql = " .. sql .. "\n");
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--freeswitch.consoleLog("error", "[call_block] " .. json.encode(params) .. "\n");
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session:execute("set", "call_blocked=true");
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if (found_action == "Reject") then
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session:hangup("CALL_REJECTED")
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elseif (found_action == "Busy") then
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session:hangup("USER_BUSY")
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elseif (found_action =="Hold") then
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session:setAutoHangup(false)
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session:execute("transfer", "*9664")
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elseif (details[0] =="Voicemail") then
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session:setAutoHangup(false)
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session:execute("transfer", "*99" .. details[2] .. " XML " .. details[1])
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end
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end
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end
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