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_conversejs
-- Copyright (C) 2017-2022 Kim Alvefur

local json_encode = require"util.json".encode;
local xml_escape = require "util.stanza".xml_escape;
local urlencode = require "util.http".urlencode;
local render = require "util.interpolation".new("%b{}", xml_escape, { json = json_encode });

module:depends"http";

local has_bosh = pcall(function ()
	module:depends"bosh";
end);

local has_ws = pcall(function ()
	module:depends("websocket");
end);

pcall(function ()
	module:depends("bookmarks");
end);

local cdn_url = module:get_option_string("conversejs_cdn", "https://cdn.conversejs.org");

local version = module:get_option_string("conversejs_version", "");
if version ~= "" then version = "/" .. version end

local serve_dist = nil;
local resources = module:get_option_path("conversejs_resources");
if resources then
	local http_files = require "net.http.files";
	local mime_map = module:shared("/*/http_files/mime").types or {css = "text/css"; js = "application/javascript"};
	serve_dist = http_files.serve({path = resources; mime_map = mime_map});

	cdn_url = module:http_url();
end

local js_url = module:get_option_string("conversejs_script", cdn_url..version.."/dist/converse.min.js");
local css_url = module:get_option_string("conversejs_css", cdn_url..version.."/dist/converse.min.css");

local html_template;

do
	local template_filename = module:get_option_string(module.name .. "_html_template", "templates/template.html");
	local template_file, err = module:load_resource(template_filename);
	if template_file then
		html_template, err = template_file:read("*a");
		template_file:close();
	end
	if not html_template then
		module:log("error", "Error loading HTML template: %s", err);
		html_template = render("<h1>mod_{module} could not read the template</h1>\
		<p>Tried to open <b>{filename}</b></p>\
		<pre>{error}</pre>",
			{ module = module.name, filename = template_filename, error = err });
	end
end

local js_template;
do
	local template_filename = module:get_option_string(module.name .. "_js_template", "templates/template.js");
	local template_file, err = module:load_resource(template_filename);
	if template_file then
		js_template, err = template_file:read("*a");
		template_file:close();
	end
	if not js_template then
		module:log("error", "Error loading JS template: %s", err);
		js_template = render("console.log(\"mod_{module} could not read the JS template: %s\", {error|json})",
			{ module = module.name, filename = template_filename, error = err });
	end
end

local function get_converse_options()
	local user_options = module:get_option("conversejs_options");

	local authentication = module:get_option_string("authentication");
	local allow_registration = module:get_option_boolean("allow_registration", false);
	local converse_options = {
		-- Auto-detected connection endpoints
		bosh_service_url = has_bosh and module:http_url("bosh","/http-bind") or nil;
		websocket_url = has_ws and module:http_url("websocket","xmpp-websocket"):gsub("^http", "ws") or nil;
		-- Since we provide those, XEP-0156 based auto-discovery should not be used
		discover_connection_methods = false;
		-- Authentication mode to use (normal or guest login)
		authentication = authentication == "anonymous" and "anonymous" or "login";
		-- Host to connect to for anonymous access
		jid = authentication == "anonymous" and module.host or nil;
		-- Let users login with only username
		default_domain = module.host;
		domain_placeholder = module.host;
		-- If registration is enabled
		allow_registration = allow_registration;
		-- and if it is, which domain to register with
		registration_domain = allow_registration and module.host or nil;
		-- Path to resources like emoji, icons, sounds
		assets_path = cdn_url..version.."/dist/";
		-- Default most suited for use as a "normal" client
		view_mode = "fullscreen";
	};

	-- Let config override the above defaults
	if type(user_options) == "table" then
		for k,v in pairs(user_options) do
			converse_options[k] = v;
		end
	end

	return converse_options;
end

local add_tags = module:get_option_array("conversejs_tags", {});

local service_name = module:get_option_string("conversejs_name", module:get_option_string("name", "Prosody IM and Converse.js"));
local service_short_name = module:get_option_string("conversejs_short_name", "Converse");
local service_description = module:get_option_string("conversejs_description", "Messaging Freedom")
local pwa_color = module:get_option_string("conversejs_pwa_color", "#397491")

module:provides("http", {
	title = "Converse.js";
	route = {
		["GET /"] = function (event)
			local converse_options = get_converse_options();

			event.response.headers.content_type = "text/html";
			return render(html_template, {
					service_name = service_name;
					-- note that using a relative path won’t work as this URL doesn’t end in a /
					manifest_url = module:http_url().."/manifest.json",
					header_scripts = { js_url };
					header_style = { css_url };
					header_tags = add_tags;
					conversejs = {
						options = converse_options;
						startup = { script = js_template:format(json_encode(converse_options)); }
					};
				});
		end;

		["GET /prosody-converse.js"] = function (event)
			local converse_options = get_converse_options();

			event.response.headers.content_type = "application/javascript";
			return js_template:format(json_encode(converse_options));
		end;
		["GET /manifest.json"] = function (event)
			-- See manifest.json in the root of Converse.js’s git repository
			local data = {
				short_name = service_short_name,
				name = service_name,
				description = service_description,
				categories = {"social"},
				icons = module:get_option_array("manifest_icons", {
					{
						src = cdn_url..version.."/dist/images/logo/conversejs-filled-512.png",
						sizes = "512x512",
					},
					{
						src = cdn_url..version.."/dist/images/logo/conversejs-filled-192.png",
						sizes = "192x192",
					},
					{
						src = cdn_url..version.."/dist/images/logo/conversejs-filled-192.svg",
						sizes = "192x192",
					},
					{
						src = cdn_url..version.."/dist/images/logo/conversejs-filled-512.svg",
						sizes = "512x512",
					},
				}),
				start_url = module:http_url().."/",
				background_color = pwa_color,
				display = "standalone",
				scope = module:http_url().."/",
				theme_color = pwa_color,
			}
			return {
				headers = { content_type = "application/schema+json" },
				body = json_encode(data),
			}
		end;
		["GET /dist/*"] = serve_dist;
	}
});

module:provides("site-app", {
	name = "Converse.js";
	text = [[A free and open-source XMPP chat client in your browser]];
	image = "assets/logos/converse-js.svg";
	link = "https://conversejs.org/";
	magic_link_format = "/register?t={invite.token}&c=converse-js";
	login_link_format = module:http_url();
	platforms = { "Web" };
	download = {
		buttons = {
			{
				text = "Open web chat";
				url = module:http_url();
			};
		};
	};

});