mod_voipms: New Module to send and receive SMS/MMS via VoIP.ms APIs. diff --git a/mod_voipms/README.md b/mod_voipms/README.md new file mode 100644 --- /dev/null +++ b/mod_voipms/README.md @@ -0,0 +1,51 @@ +--- +labels: +- 'Stage-Alpha' +- 'Type-Web' +summary: Send and receive SMS/MMS via VoIP.ms APIs. +rockspec: + build: + modules: + mod_voipms: mod_voipms.lua +... + +Introduction +============ + +This is a Prosody module to map JIDs to DIDs on VoIP.ms and support sending/receiving SMS/MMS. + +Configuration +============= + +| option | type | default | +|-----------------------|--------|---------| +| voipms\_api\_username | string | nil | +| voipms\_api\_password | string | nil | +| voipms\_query\_key | string | nil | +| voipms\_jid\_map | table | nil | +``` +VirtualHost "sms.example.com" +modules_enabled = { + "voipms"; +} +voipms_api_username = john@example.com -- E-mail registered with VoIP.ms +voipms_api_password = abcd1234 -- API password configured in VoIP.ms +voipms_query_key = some_query_key -- query param 'key' part of your URL callback +voipms_jid_map = { + ["your_jid@your_domain.com"] = "+1234567890" +} +``` + +HTTP +==== + +The module is served on Prosody's default HTTP ports at the path /voipms. More details on configuring HTTP modules in Prosody can be found in the HTTP documentation. + +VoIP.ms Webhook URL +=================== + +This module receives the VoIP.ms Webhook URL (POST) at the /voipms endpoint. It uses the sendSMS/sendMMS GET methods against the VoIP.ms APIs. This is an example webhook to use in VoIP.ms: + +``` +https://sms.example.com/voipms?key=some_query_key +``` diff --git a/mod_voipms/mod_voipms.lua b/mod_voipms/mod_voipms.lua new file mode 100644 --- /dev/null +++ b/mod_voipms/mod_voipms.lua @@ -0,0 +1,166 @@ +local http = require "net.http" +local json = require "util.json" +local st = require "util.stanza" + +local api_username = module:get_option_string("voipms_api_username") +local api_password = module:get_option_string("voipms_api_password") +local query_key = module:get_option("voipms_query_key") +local jid_map = module:get_option("voipms_jid_map") or {} +local rest_endpoint = "https://voip.ms/api/v1/rest.php" + +if not api_username or not api_password or not query_key then + module:log("error", "Missing required config values (voipms_api_username, voipms_api_password, voipms_query_key)") + return +end + +module:depends("http") + +local function normalize_number(num) + if not num then return nil end + if num:sub(1, 1) ~= "+" then + return "+1" .. num + end + return num +end + +local function extract_query_key(event) + return (event.request.url.query or ""):match("key=([^&]+)") +end + +module:provides("http", { + route = { + ["POST"] = function(event) + local req = event.request + local body = req.body or "" + + if extract_query_key(event) ~= query_key then + module:log("warn", "Unauthorized webhook: missing or invalid key") + return { status_code = 403 } + end + + local json_payload, err = json.decode(body) + if not json_payload then + module:log("warn", "Invalid JSON: %s", err or "unknown error") + return { status_code = 400 } + end + + local payload = json_payload.data and json_payload.data.payload + if not payload then + module:log("warn", "Missing payload in JSON") + return { status_code = 400 } + end + + local from = payload.from and payload.from.phone_number + local to_list = payload.to or {} + local to = #to_list > 0 and to_list[1].phone_number or nil + + if not from or not to then + module:log("warn", "Missing phone numbers (from: %s, to: %s)", tostring(from), tostring(to)) + return { status_code = 400 } + end + + local normalized_to = normalize_number(to) + local target_jid = nil + + for jid, did in pairs(jid_map) do + if normalize_number(did) == normalized_to then + target_jid = jid + break + end + end + + if not target_jid then + module:log("warn", "No JID mapping for DID %s", normalized_to) + return { status_code = 404 } + end + + local normalized_from = normalize_number(from) + local message_text = payload.text or "" + + local message = st.message({ + from = normalized_from .. "@" .. module.host, + to = target_jid, + type = "chat" + }):tag("body"):text(message_text):up() + + if payload.media and #payload.media > 0 then + for _, media_item in ipairs(payload.media) do + if media_item.url then + message_text = message_text .. "\n" .. media_item.url + message:tag("x", { xmlns = "jabber:x:oob" }) + :tag("url"):text(media_item.url):up():up() + end + end + end + + module:send(message) + module:log("info", "Delivered SMS from %s to %s", normalized_from, target_jid) + + return { status_code = 204 } + end + } +}) + +module:hook("message/bare", function(event) + local stanza = event.stanza + if stanza.attr.type ~= "chat" then return end + + local from_jid = stanza.attr.from + local to_jid = stanza.attr.to + local body = stanza:get_child_text("body") + if not body or body == "" then return end + + local from_number = jid_map[from_jid] + if not from_number then + module:log("warn", "No DID mapping for JID %s", from_jid) + return + end + + local to_number = to_jid:match("^([^@]+)") + if not to_number then + module:log("warn", "Malformed JID in message.to: %s", to_jid) + return + end + + to_number = normalize_number(to_number) + + local media_urls = {} + for line in body:gmatch("[^\r\n]+") do + if line:match("^https?://") then + table.insert(media_urls, line) + end + end + + local method = (#media_urls > 0) and "sendMMS" or "sendSMS" + local query = { + api_username = api_username, + api_password = api_password, + method = method, + did = from_number, + dst = to_number, + message = body + } + + if method == "sendMMS" then + for i, url in ipairs(media_urls) do + query["media_url[" .. (i - 1) .. "]"] = url + end + end + + local query_str = http.formencode(query) + + http.request(rest_endpoint .. "?" .. query_str, { + method = "GET"; + }, function(response_body, code) + if code == 200 then + local resp, err = json.decode(response_body) + if not resp or resp.status ~= "success" then + module:log("error", "Failed to send %s: %s", method, err or (resp and resp.status) or "unknown") + else + module:log("info", "Sent %s from %s to %s", method, from_number, to_number) + end + else + module:log("error", "HTTP error sending %s: code %s", method, tostring(code)) + end + end) +end)

-----------------------------------------------------------
-- mod_roster_command: Manage rosters through prosodyctl
-- version 0.02
-----------------------------------------------------------
-- Copyright (C) 2011 Matthew Wild
-- Copyright (C) 2011 Adam Nielsen
--
-- This project is MIT/X11 licensed. Please see the
-- COPYING file in the source package for more information.
-----------------------------------------------------------

if module.host ~= "*" then
	module:log("error", "Do not load this module in Prosody, for correct usage see: https://modules.prosody.im/mod_roster_command.html");
	return;
end


-- Workaround for lack of util.startup...
local prosody = _G.prosody;
local hosts = prosody.hosts;
prosody.bare_sessions = prosody.bare_sessions or {};
_G.bare_sessions = _G.bare_sessions or prosody.bare_sessions;

local usermanager = require "core.usermanager";
local rostermanager = require "core.rostermanager";
local storagemanager = require "core.storagemanager";
local jid = require "util.jid";
local warn = require"util.prosodyctl".show_warning;

-- Make a *one-way* subscription. User will see when contact is online,
-- contact will not see when user is online.
function subscribe(user_jid, contact_jid)
	local user_username, user_host = jid.split(user_jid);
	local contact_username, contact_host = jid.split(contact_jid);
	if not hosts[user_host] then
		warn("The host '%s' is not configured for this server.", user_host);
		return;
	end
	if hosts[user_host].users.name == "null" then
		storagemanager.initialize_host(user_host);
		usermanager.initialize_host(user_host);
	end
	-- Update user's roster to say subscription request is pending. Bare hosts (e.g. components) don't have rosters.
	if user_username ~= nil then
		rostermanager.set_contact_pending_out(user_username, user_host, contact_jid);
	end
	if hosts[contact_host] then
		if contact_host ~= user_host and hosts[contact_host].users.name == "null" then
			storagemanager.initialize_host(contact_host);
			usermanager.initialize_host(contact_host);
		end
		-- Update contact's roster to say subscription request is pending...
		rostermanager.set_contact_pending_in(contact_username, contact_host, user_jid);
		-- Update contact's roster to say subscription request approved...
		rostermanager.subscribed(contact_username, contact_host, user_jid);
		-- Update user's roster to say subscription request approved. Bare hosts (e.g. components) don't have rosters.
		if user_username ~= nil then
			rostermanager.process_inbound_subscription_approval(user_username, user_host, contact_jid);
		end
	end
end

-- Make a mutual subscription between jid1 and jid2. Each JID will see
-- when the other one is online.
function subscribe_both(jid1, jid2)
	subscribe(jid1, jid2);
	subscribe(jid2, jid1);
end

-- Unsubscribes user from contact (not contact from user, if subscribed).
function unsubscribe(user_jid, contact_jid)
	local user_username, user_host = jid.split(user_jid);
	local contact_username, contact_host = jid.split(contact_jid);
	if not hosts[user_host] then
		warn("The host '%s' is not configured for this server.", user_host);
		return;
	end
	if hosts[user_host].users.name == "null" then
		storagemanager.initialize_host(user_host);
		usermanager.initialize_host(user_host);
	end
	-- Update user's roster to say subscription is cancelled...
	rostermanager.unsubscribe(user_username, user_host, contact_jid);
	if hosts[contact_host] then
		if contact_host ~= user_host and hosts[contact_host].users.name == "null" then
			storagemanager.initialize_host(contact_host);
			usermanager.initialize_host(contact_host);
		end
		-- Update contact's roster to say subscription is cancelled...
		rostermanager.unsubscribed(contact_username, contact_host, user_jid);
	end
end

-- Cancel any subscription in either direction.
function unsubscribe_both(jid1, jid2)
	unsubscribe(jid1, jid2);
	unsubscribe(jid2, jid1);
end

-- Set the name shown and group used in the contact list
function rename(user_jid, contact_jid, contact_nick, contact_group)
	local user_username, user_host = jid.split(user_jid);
	if not hosts[user_host] then
		warn("The host '%s' is not configured for this server.", user_host);
		return;
	end
	if hosts[user_host].users.name == "null" then
		storagemanager.initialize_host(user_host);
		usermanager.initialize_host(user_host);
	end

	-- Load user's roster and find the contact
	local roster = rostermanager.load_roster(user_username, user_host);
	local item = roster[contact_jid];
	if item then
		if contact_nick then
			item.name = contact_nick;
		end
		if contact_group then
			item.groups = {}; -- Remove from all current groups
			item.groups[contact_group] = true;
		end
		rostermanager.save_roster(user_username, user_host, roster);
	end
end

function remove(user_jid, contact_jid)
	unsubscribe_both(user_jid, contact_jid);
	local user_username, user_host = jid.split(user_jid);
	local roster = rostermanager.load_roster(user_username, user_host);
	roster[contact_jid] = nil;
	rostermanager.save_roster(user_username, user_host, roster);
end

function module.command(arg)
	local command = arg[1];
	if not command then
		warn("Valid subcommands: (un)subscribe(_both) | rename");
		return 0;
	end
	table.remove(arg, 1);
	if command == "subscribe" then
		subscribe(arg[1], arg[2]);
		return 0;
	elseif command == "subscribe_both" then
		subscribe_both(arg[1], arg[2]);
		return 0;
	elseif command == "unsubscribe" then
		unsubscribe(arg[1], arg[2]);
		return 0;
	elseif command == "unsubscribe_both" then
		unsubscribe_both(arg[1], arg[2]);
		return 0;
	elseif command == "remove" then
		remove(arg[1], arg[2]);
		return 0;
	elseif command == "rename" then
		rename(arg[1], arg[2], arg[3], arg[4]);
		return 0;
	else
		warn("Unknown command: %s", command);
		return 1;
	end
	return 0;
end