view mod_jsxc/mod_jsxc.lua @ 5139:449e4ca4de32

mod_unified_push: Remove dependency on trunk util.jwt (0.12 compat) This should allow the module to work on 0.12, while preserving expiry checking (which was not built in to 0.12's util.jwt).
author Matthew Wild <mwild1@gmail.com>
date Tue, 10 Jan 2023 16:34:21 +0000
parents 75b6e5df65f9
children
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-- mod_jsxc
-- Copyright (C) 2021 Kim Alvefur

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

module:depends"http";
module:depends"bosh";
module:depends"http_libjs";

local jquery_url = module:get_option_string("jquery_url", "/share/jquery/jquery.min.js");

local cdn_url = module:get_option_string("jsxc_cdn", "");

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

local serve_dist = nil;
local resources = module:get_option_path("jsxc_resources");
if resources then
	local serve;
	if prosody.process_type == "prosody" then
		-- Prosody >= trunk / 0.12
		local http_files = require "net.http.files";
		serve = http_files.serve;
	else
		-- Prosody <= 0.11
		serve = module:depends "http_files".serve;
	end
	local mime_map = module:shared("/*/http_files/mime").types or { css = "text/css", js = "application/javascript" };
	serve_dist = serve({ path = resources, mime_map = mime_map });

	cdn_url = module:http_url();
end

local js_url = module:get_option_string("jsxc_script", cdn_url..version.."/dist/jsxc.bundle.js");
local css_url = module:get_option_string("jsxc_css", cdn_url..version.."/dist/styles/jsxc.bundle.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_jsxc_options()
	return { xmpp = { url = module:http_url("bosh", "/http-bind"), domain = module.host } };
end

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

module:provides("http", {
	title = "jsxc.js";
	route = {
		GET = function (event)
			local jsxc_options = get_jsxc_options();

			event.response.headers.content_type = "text/html";
			return render(html_template, {
					service_name = module:get_option_string("name");
					header_scripts = { jquery_url, js_url };
					header_style = { css_url };
					header_tags = add_tags;
					jsxcjs = {
						options = jsxc_options;
						startup = { script = js_template:format(json_encode(jsxc_options)); }
					};
				});
		end;

		["GET /prosody-jsxc.js"] = function (event)
			local jsxc_options = get_jsxc_options();

			event.response.headers.content_type = "application/javascript";
			return js_template:format(json_encode(jsxc_options));
		end;
		["GET /dist/*"] = serve_dist;
	}
});