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599 lines
21 KiB
599 lines
21 KiB
6 years ago
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-- mod_sms_flowroute
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--
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-- A Prosody module for sending SMS text messages from XMPP using the
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-- Flowroute gateway's HTTP API
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--
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-- This version is written by Hailey Clark, modifing mod_sms_clickatell.lua
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-- Eventually I want to be fully my code but this is a starting point.
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--
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-- Hacked from mod_twitter by Phil Stewart, March 2011. Anything from
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-- mod_twitter copyright The Guy Who Wrote mod_twitter. Everything else
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-- copyright 2011 Phil Stewart. Licensed under the same terms as Prosody
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-- (MIT license, as per below)
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--
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--[[
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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--]]
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-- Raise an error if the modules hasn't been loaded as a component in prosody's config
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if module:get_host_type() ~= "component" then
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error(module.name.." should be loaded as a component, check out http://prosody.im/doc/components", 0);
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end
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local jid_split = require "util.jid".split;
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local st = require "util.stanza";
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local datamanager = require "util.datamanager";
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local timer = require "util.timer";
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local config_get = require "core.configmanager".get;
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local http = require "net.http";
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local base64 = require "util.encodings".base64;
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local serialize = require "util.serialization".serialize;
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local pairs, ipairs = pairs, ipairs;
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local setmetatable = setmetatable;
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local component_host = module:get_host();
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local component_name = module.name;
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local data_cache = {};
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--local clickatell_api_id = module:get_option_string("clickatell_api_id");
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local sms_message_prefix = module:get_option_string("sms_message_prefix") or "";
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--local sms_source_number = module:get_option_string("sms_source_number") or "";
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--local users = setmetatable({}, {__mode="k"});
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-- User data is held in smsuser objects
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local smsuser = {};
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smsuser.__index = smsuser;
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-- Users table is used to store user data in the form of smsuser objects.
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-- It is indexed by the base jid of the user, so when a non-extant entry in the
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-- table is referenced, we pass the jid to smsuser:register to load the user
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local users = {};
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setmetatable(users, { __index = function (table, key)
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return smsuser:register(key);
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end });
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-- Create a new smsuser object
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function smsuser:new()
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newuser = {};
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setmetatable(newuser, self);
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return newuser;
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end
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-- Store (save) the user object
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function smsuser:store()
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datamanager.store(self.jid, component_host, "data", self.data);
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end
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-- For debug
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function smsuser:logjid()
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module:log("logjid: ", self.jid);
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end
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-- Register a user against the base jid of the client. If a user entry for the
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-- bjid is already stored in the Prosody data manager, retrieve its data
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function smsuser:register(bjid)
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reguser = smsuser:new();
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reguser.jid = bjid;
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reguser.data = datamanager.load(bjid, component_host, "data") or {};
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return reguser;
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end
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-- Add a roster entry for the user
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-- SMS users must me of the form number@component_host
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function smsuser:roster_add(sms_number)
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if self.data.roster == nil then
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self.data.roster = {}
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end
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if self.data.roster[sms_number] == nil then
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self.data.roster[sms_number] = {screen_name=sms_number, subscription=nil};
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end
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self:store();
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end
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-- Update the roster entry of sms_number with new screen name
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function smsuser:roster_update_screen_name(sms_number, screen_name)
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if self.data.roster[sms_number] == nil then
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smsuser:roster_add(sms_number);
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end
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self.data.roster[sms_number].screen_name = screen_name;
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self:store();
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end
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-- Update the roster entry of sms_number with new subscription detail
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function smsuser:roster_update_subscription(sms_number, subscription)
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if self.data.roster[sms_number] == nil then
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smsuser:roster_add(sms_number);
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end
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self.data.roster[sms_number].subscription = subscription;
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self:store();
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end
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-- Delete an entry from the roster
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function smsuser:roster_delete(sms_number)
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self.data.roster[sms_number] = nil;
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self:store();
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end
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--
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function smsuser:roster_stanza_args(sms_number)
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if self.data.roster[sms_number] == nil then
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return nil
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end
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local args = {jid=sms_number.."@"..component_host, name=self.data.roster[sms_number].screen_name}
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if self.data.roster[sms_number].subscription ~= nil then
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args.subscription = self.data.roster[sms_number].subscription
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end
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return args
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end
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--[[ From mod_twitter, keeping 'cos I might use it later :-)
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function send_stanza(stanza)
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if stanza ~= nil then
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core_route_stanza(prosody.hosts[component_host], stanza)
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end
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end
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function dmsg(jid, msg)
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module:log("debug", msg or "nil");
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if jid ~= nil then
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send_stanza(st.message({to=jid, from=component_host, type='chat'}, msg or "nil"));
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end
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end
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function substring(string, start_string, ending_string)
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local s_value_start, s_value_finish = nil, nil;
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if start_string ~= nil then
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_, s_value_start = string:find(start_string);
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if s_value_start == nil then
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-- error
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return nil;
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end
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else
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return nil;
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end
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if ending_string ~= nil then
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_, s_value_finish = string:find(ending_string, s_value_start+1);
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if s_value_finish == nil then
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-- error
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return nil;
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end
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else
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s_value_finish = string:len()+1;
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end
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return string:sub(s_value_start+1, s_value_finish-1);
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end
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--]]
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local http_timeout = 30;
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local http_queue = setmetatable({}, { __mode = "k" }); -- auto-cleaning nil elements
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data_cache['prosody_os'] = prosody.platform;
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data_cache['prosody_version'] = prosody.version;
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local http_headers = {
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["user-Agent"] = "Prosody ("..data_cache['prosody_version'].."; "..data_cache['prosody_os']..")" --"ELinks (0.4pre5; Linux 2.4.27 i686; 80x25)",
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};
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function http_action_callback(response, code, request, xcallback)
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if http_queue == nil or http_queue[request] == nil then return; end
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local id = http_queue[request];
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http_queue[request] = nil;
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if xcallback == nil then
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dmsg(nil, "http_action_callback reports that xcallback is nil");
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else
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xcallback(id, response, request);
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end
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return true;
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end
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function http_add_action(tid, url, method, post, fcallback)
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local request = http.request(url, { headers = http_headers or {}, body = "", method = method or "GET" }, function(response_body, code, response, request) http_action_callback(response_body, code, request, fcallback) end);
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http_queue[request] = tid;
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timer.add_task(http_timeout, function() http.destroy_request(request); end);
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return true;
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end
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-- Clickatell SMS HTTP API interaction function
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function clickatell_send_sms(user, number, message)
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module.log("info", "Clickatell API interaction function triggered");
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-- Don't attempt to send an SMS with a null or empty message
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if message == nil or message == "" then
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return false;
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end
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local sms_message = sms_message_prefix..message;
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local clickatell_base_url = "https://api.clickatell.com/http/sendmsg";
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local params = {user=user.data.username, password=user.data.password, api_id=user.data.api_id, from=user.data.source_number, to=number, text=sms_message};
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local query_string = "";
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for param, data in pairs(params) do
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--module:log("info", "Inside query constructor: "..param..data);
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if query_string ~= "" then
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query_string = query_string.."&";
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end
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query_string = query_string..param.."="..http.urlencode(data);
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end
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local url = clickatell_base_url.."?"..query_string;
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module:log("info", "Clickatell SMS URL: "..url);
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http_add_action(message, url, "GET", params, nil);
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return true;
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end
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function iq_success(origin, stanza)
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local reply = data_cache.success;
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if reply == nil then
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reply = st.reply(stanza);
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data_cache.success = reply;
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end
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reply.attr.id = stanza.attr.id;
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reply.attr.to = stanza.attr.from;
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origin.send(reply);
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return true;
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end
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-- XMPP Service Discovery (disco) info callback
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-- When a disco info query comes in, returns the identity and feature
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-- information as per XEP-0030
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function iq_disco_info(stanza)
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module:log("info", "Disco info triggered");
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local from = {};
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from.node, from.host, from.resource = jid_split(stanza.attr.from);
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local bjid = from.node.."@"..from.host;
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local reply = data_cache.disco_info;
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if reply == nil then
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--reply = st.iq({type='result', from=stanza.attr.to or component_host}):query("http://jabber.org/protocol/disco#info");
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reply = st.reply(stanza):query("http://jabber.org/protocol/disco#info");
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reply:tag("identity", {category='gateway', type='sms', name=component_name}):up();
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reply:tag("feature", {var="urn:xmpp:receipts"}):up();
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reply:tag("feature", {var="jabber:iq:register"}):up();
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reply:tag("feature", {var="http://jabber.org/protocol/rosterx"}):up();
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--reply = reply:tag("feature", {var="http://jabber.org/protocol/commands"}):up();
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--reply = reply:tag("feature", {var="jabber:iq:time"}):up();
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--reply = reply:tag("feature", {var="jabber:iq:version"}):up();
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data_cache.disco_info = reply;
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end
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reply.attr.id = stanza.attr.id;
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reply.attr.to = stanza.attr.from;
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return reply;
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end
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-- XMPP Service Discovery (disco) items callback
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-- When a disco info query comes in, returns the items
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-- information as per XEP-0030
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-- (Nothing much happening here at the moment)
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--[[
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function iq_disco_items(stanza)
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module:log("info", "Disco items triggered");
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local reply = data_cache.disco_items;
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if reply == nil then
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reply = st.iq({type='result', from=stanza.attr.to or component_host}):query("http://jabber.org/protocol/disco#items")
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:tag("item", {jid='testuser'..'@'..component_host, name='SMS Test Target'}):up();
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data_cache.disco_items = reply;
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end
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reply.attr.id = stanza.attr.id;
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reply.attr.to = stanza.attr.from;
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return reply;
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end
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--]]
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-- XMPP Register callback
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-- The client must register with the gateway. In this case, the gateway is
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-- Clickatell's http api, so we
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function iq_register(origin, stanza)
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module:log("info", "Register event triggered");
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if stanza.attr.type == "get" then
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local reply = data_cache.registration_form;
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if reply == nil then
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reply = st.iq({type='result', from=stanza.attr.to or component_host})
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:tag("query", {xmlns="jabber:iq:register"})
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:tag("instructions"):text("Use the enclosed form to register."):up();
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reply:tag("x", {xmlns="jabber:x:data", type='form'});
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reply:tag("title"):text('SMS Gateway Registration: Clickatell'):up();
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reply:tag("instructions"):text("Enter your Clickatell username, password, API ID, and a source number for your text messages in international format (phone field)"):up();
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reply:tag("field", {type='hidden', var='FORM_TYPE'})
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:tag("value"):text('jabber:iq:register'):up():up();
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reply:tag("field", {type='text-single', label='Username', var='username'})
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:tag("required"):up():up();
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reply:tag("field", {type='text-private', label='Password', var='password'})
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:tag("required"):up():up();
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reply:tag("field", {type='text-single', label='API ID', var='api_id'})
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:tag("required"):up():up();
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reply:tag("field", {type='text-single', label='Source Number', var='source_number'})
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:tag("required"):up():up();
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data_cache.registration_form = reply;
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--module:log("info", "Register stanza to go: "..reply:pretty_print());
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end
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reply.attr.id = stanza.attr.id;
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reply.attr.to = stanza.attr.from;
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origin.send(reply);
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elseif stanza.attr.type == "set" then
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local from = {};
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from.node, from.host, from.resource = jid_split(stanza.attr.from);
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local bjid = from.node.."@"..from.host;
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local username, password, api_id, source_number = "", "", "", "";
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local reply;
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for tag in stanza.tags[1].tags[1]:childtags() do
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-- if tag.name == "remove" then
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-- iq_success(origin, stanza);
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-- return true;
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-- end
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if tag.attr.var == "username" then
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username = tag.tags[1][1];
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end
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if tag.attr.var == "password" then
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password = tag.tags[1][1];
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end
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if tag.attr.var == "api_id" then
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api_id = tag.tags[1][1];
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end
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if tag.attr.var == "source_number" then
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source_number = tag.tags[1][1];
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end
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end
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if username ~= nil and password ~= nil and api_id ~= nil then
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users[bjid] = smsuser:register(bjid);
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users[bjid].data.username = username;
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users[bjid].data.password = password;
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users[bjid].data.api_id = api_id;
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users[bjid].data.source_number = source_number;
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users[bjid]:store();
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end
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iq_success(origin, stanza);
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return true;
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end
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end
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-- XMPP Roster callback
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-- When the client requests the roster associated with the gateway, returns
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-- the users accessible via text to the client's roster
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function iq_roster(stanza)
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module:log("info", "Roster request triggered");
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local from = {}
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from.node, from.host, from.resource = jid_split(stanza.attr.from);
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local from_bjid = nil;
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if from.node ~= nil and from.host ~= nil then
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from_bjid = from.node.."@"..from.host;
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elseif from.host ~= nil then
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from_bjid = from.host;
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end
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local reply = st.iq({type='result', from=stanza.attr.to or component_host}):query("")
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if users[from_bjid].data.roster ~= nil then
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for sms_number, sms_data in pairs(users[from_bjid].data.roster) do
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reply:tag("item", users[from_bjid]:roster_stanza_args(sms_number)):up();
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end
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end
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reply.attr.id = stanza.attr.id;
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reply.attr.to = stanza.attr.from;
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|
return reply;
|
||
|
end
|
||
|
|
||
|
-- Roster Exchange: iq variant
|
||
|
-- Sends sms targets to client's roster
|
||
|
function iq_roster_push(origin, stanza)
|
||
|
module:log("info", "Sending Roster iq");
|
||
|
local from = {}
|
||
|
from.node, from.host, from.resource = jid_split(stanza.attr.from);
|
||
|
local from_bjid = nil;
|
||
|
if from.node ~= nil and from.host ~= nil then
|
||
|
from_bjid = from.node.."@"..from.host;
|
||
|
elseif from.host ~= nil then
|
||
|
from_bjid = from.host;
|
||
|
end
|
||
|
reply = st.iq({to=stanza.attr.from, type='set'});
|
||
|
reply:tag("query", {xmlns="jabber:iq:roster"});
|
||
|
if users[from_bjid].data.roster ~= nil then
|
||
|
for sms_number, sms_data in pairs(users[from_bjid].data.roster) do
|
||
|
reply:tag("item", users[from_bjid]:roster_stanza_args(sms_number)):up();
|
||
|
end
|
||
|
end
|
||
|
origin.send(reply);
|
||
|
end
|
||
|
|
||
|
-- XMPP Presence handling
|
||
|
function presence_stanza_handler(origin, stanza)
|
||
|
module:log("info", "Presence handler triggered");
|
||
|
local to = {};
|
||
|
local from = {};
|
||
|
local pres = {};
|
||
|
to.node, to.host, to.resource = jid_split(stanza.attr.to);
|
||
|
from.node, from.host, from.resource = jid_split(stanza.attr.from);
|
||
|
pres.type = stanza.attr.type;
|
||
|
for _, tag in ipairs(stanza.tags) do pres[tag.name] = tag[1]; end
|
||
|
local from_bjid = nil;
|
||
|
if from.node ~= nil and from.host ~= nil then
|
||
|
from_bjid = from.node.."@"..from.host;
|
||
|
elseif from.host ~= nil then
|
||
|
from_bjid = from.host;
|
||
|
end
|
||
|
local to_bjid = nil
|
||
|
if to.node ~= nil and to.host ~= nil then
|
||
|
to_bjid = to.node.."@"..to.host
|
||
|
end
|
||
|
|
||
|
if to.node == nil then
|
||
|
-- Component presence
|
||
|
-- If the client is subscribing, send a 'subscribed' presence
|
||
|
if pres.type == 'subscribe' then
|
||
|
origin.send(st.presence({to=from_bjid, from=component_host, type='subscribed'}));
|
||
|
--origin.send(st.presence{to=from_bjid, type='subscribed'});
|
||
|
end
|
||
|
|
||
|
-- The component itself is online, so send component's presence
|
||
|
origin.send(st.presence({to=from_bjid, from=component_host}));
|
||
|
|
||
|
-- Do roster item exchange: send roster items to client
|
||
|
iq_roster_push(origin, stanza);
|
||
|
else
|
||
|
-- SMS user presence
|
||
|
if pres.type == 'subscribe' then
|
||
|
users[from_bjid]:roster_add(to.node);
|
||
|
origin.send(st.presence({to=from_bjid, from=to_bjid, type='subscribed'}));
|
||
|
end
|
||
|
if pres.type == 'unsubscribe' then
|
||
|
users[from_bjid]:roster_update_subscription(to.node, 'none');
|
||
|
iq_roster_push(origin, stanza);
|
||
|
origin.send(st.presence({to=from_bjid, from=to_bjid, type='unsubscribed'}));
|
||
|
users[from_bjid]:roster_delete(to.node)
|
||
|
end
|
||
|
if users[from_bjid].data.roster[to.node] ~= nil then
|
||
|
origin.send(st.presence({to=from_bjid, from=to_bjid}));
|
||
|
end
|
||
|
end
|
||
|
|
||
|
|
||
|
return true;
|
||
|
end
|
||
|
|
||
|
--[[ Not using this ATM
|
||
|
function confirm_message_delivery(event)
|
||
|
local reply = st.message({id=event.stanza.attr.id, to=event.stanza.attr.from, from=event.stanza.attr.to or component_host}):tag("received", {xmlns = "urn:xmpp:receipts"});
|
||
|
origin.send(reply);
|
||
|
return true;
|
||
|
end
|
||
|
--]]
|
||
|
|
||
|
-- XMPP Message handler - this is the bit that Actually Does Things (TM)
|
||
|
-- bjid = base JID i.e. without resource identifier
|
||
|
function message_stanza_handler(origin, stanza)
|
||
|
module:log("info", "Message handler triggered");
|
||
|
local to = {};
|
||
|
local from = {};
|
||
|
local msg = {};
|
||
|
to.node, to.host, to.resource = jid_split(stanza.attr.to);
|
||
|
from.node, from.host, from.resource = jid_split(stanza.attr.from);
|
||
|
local bjid = nil;
|
||
|
if from.node ~= nil and from.host ~= nil then
|
||
|
from_bjid = from.node.."@"..from.host;
|
||
|
elseif from.host ~= nil then
|
||
|
from_bjid = from.host;
|
||
|
end
|
||
|
local to_bjid = nil;
|
||
|
if to.node ~= nil and to.host ~= nil then
|
||
|
to_bjid = to.node.."@"..to.host;
|
||
|
elseif to.host ~= nil then
|
||
|
to_bjid = to.host;
|
||
|
end
|
||
|
|
||
|
-- This bit looks like it confirms message receipts to the client
|
||
|
for _, tag in ipairs(stanza.tags) do
|
||
|
msg[tag.name] = tag[1];
|
||
|
if tag.attr.xmlns == "urn:xmpp:receipts" then
|
||
|
confirm_message_delivery({origin=origin, stanza=stanza});
|
||
|
end
|
||
|
-- can handle more xmlns
|
||
|
end
|
||
|
|
||
|
-- Now parse the message
|
||
|
if stanza.attr.to == component_host then
|
||
|
-- Messages directly to the component jget echoed
|
||
|
origin.send(st.message({to=stanza.attr.from, from=component_host, type='chat'}, msg.body));
|
||
|
elseif users[from_bjid].data.roster[to.node] ~= nil then
|
||
|
-- If message contains a body, send message to SMS Test User
|
||
|
if msg.body ~= nil then
|
||
|
clickatell_send_sms(users[from_bjid], to.node, msg.body);
|
||
|
end
|
||
|
end
|
||
|
return true;
|
||
|
end
|
||
|
--]]
|
||
|
|
||
|
-- Component event handler
|
||
|
function sms_event_handler(event)
|
||
|
local origin, stanza = event.origin, event.stanza;
|
||
|
module:log("debug", "Received stanza: "..stanza:pretty_print());
|
||
|
local to_node, to_host, to_resource = jid_split(stanza.attr.to);
|
||
|
|
||
|
-- Handle component internals (stanzas directed to component host, mainly iq stanzas)
|
||
|
if to_node == nil then
|
||
|
local type = stanza.attr.type;
|
||
|
if type == "error" or type == "result" then return; end
|
||
|
if stanza.name == "presence" then
|
||
|
presence_stanza_handler(origin, stanza);
|
||
|
end
|
||
|
if stanza.name == "iq" and type == "get" then
|
||
|
local xmlns = stanza.tags[1].attr.xmlns
|
||
|
if xmlns == "http://jabber.org/protocol/disco#info" then
|
||
|
origin.send(iq_disco_info(stanza));
|
||
|
return true;
|
||
|
--[[
|
||
|
elseif xmlns == "http://jabber.org/protocol/disco#items" then
|
||
|
origin.send(iq_disco_items(stanza));
|
||
|
return true;
|
||
|
--]]
|
||
|
elseif xmlns == "jabber:iq:register" then
|
||
|
iq_register(origin, stanza);
|
||
|
return true;
|
||
|
end
|
||
|
elseif stanza.name == "iq" and type == "set" then
|
||
|
local xmlns = stanza.tags[1].attr.xmlns
|
||
|
if xmlns == "jabber:iq:roster" then
|
||
|
origin.send(iq_roster(stanza));
|
||
|
elseif xmlns == "jabber:iq:register" then
|
||
|
iq_register(origin, stanza);
|
||
|
return true;
|
||
|
end
|
||
|
end
|
||
|
end
|
||
|
|
||
|
-- Handle presence (both component and SMS users)
|
||
|
if stanza.name == "presence" then
|
||
|
presence_stanza_handler(origin, stanza);
|
||
|
end
|
||
|
|
||
|
-- Handle messages (both component and SMS users)
|
||
|
if stanza.name == "message" then
|
||
|
message_stanza_handler(origin, stanza);
|
||
|
end
|
||
|
end
|
||
|
|
||
|
-- Prosody hooks: links our handler functions with the relevant events
|
||
|
--module:hook("presence/host", presence_stanza_handler);
|
||
|
--module:hook("message/host", message_stanza_handler);
|
||
|
|
||
|
--module:hook("iq/host/jabber:iq:register:query", iq_register);
|
||
|
module:add_feature("http://jabber.org/protocol/disco#info");
|
||
|
module:add_feature("http://jabber.org/protocol/disco#items");
|
||
|
--module:hook("iq/self/http://jabber.org/protocol/disco#info:query", iq_disco_info);
|
||
|
--module:hook("iq/host/http://jabber.org/protocol/disco#items:query", iq_disco_items);
|
||
|
--module:hook("account-disco-info", iq_disco_info);
|
||
|
--module:hook("account-disco-items", iq_disco_items);
|
||
|
--[[
|
||
|
module:hook("iq/host", function(data)
|
||
|
-- IQ to a local host received
|
||
|
local origin, stanza = data.origin, data.stanza;
|
||
|
if stanza.attr.type == "get" or stanza.attr.type == "set" then
|
||
|
return module:fire_event("iq/host/"..stanza.tags[1].attr.xmlns..":"..stanza.tags[1].name, data);
|
||
|
else
|
||
|
module:fire_event("iq/host/"..stanza.attr.id, data);
|
||
|
return true;
|
||
|
end
|
||
|
end);
|
||
|
--]]
|
||
|
|
||
|
-- Component registration hooks: these hook in with the Prosody component
|
||
|
-- manager
|
||
|
module:hook("iq/bare", sms_event_handler);
|
||
|
module:hook("message/bare", sms_event_handler);
|
||
|
module:hook("presence/bare", sms_event_handler);
|
||
|
module:hook("iq/full", sms_event_handler);
|
||
|
module:hook("message/full", sms_event_handler);
|
||
|
module:hook("presence/full", sms_event_handler);
|
||
|
module:hook("iq/host", sms_event_handler);
|
||
|
module:hook("message/host", sms_event_handler);
|
||
|
module:hook("presence/host", sms_event_handler);
|