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comparison mod_jsxc/mod_jsxc.lua @ 4825:4bdfd83e091f

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mod_jsxc: Demo module serving JSXC relatively easily from Prosody Copy of mod_conversejs adjusted for JSXC. README TODO
author Kim Alvefur <zash@zash.se>
date Wed, 15 Dec 2021 18:28:40 +0100
parents mod_conversejs/mod_conversejs.lua@37aa50ed79c1
children 75b6e5df65f9
comparison
equal deleted inserted replaced
4824:205b9d06fe6b 4825:4bdfd83e091f
1 -- mod_jsxc
2 -- Copyright (C) 2021 Kim Alvefur
3
4 local json_encode = require"util.json".encode;
5 local xml_escape = require "util.stanza".xml_escape;
6 local render = require "util.interpolation".new("%b{}", xml_escape, { json = json_encode });
7
8 module:depends"http";
9 module:depends"bosh";
10 module:depends"http_libjs";
11
12 local jquery_url = module:get_option_string("jquery_url", "/share/jquery/jquery.min.js");
13
14 local cdn_url = module:get_option_string("jsxc_cdn", "");
15
16 local version = module:get_option_string("jsxc_version", "");
17 if version ~= "" then version = "/" .. version end
18
19 local serve_dist = nil;
20 local resources = module:get_option_path("jsxc_resources");
21 if resources then
22 local serve;
23 if not pcall(function()
24 -- Prosody >= trunk / 0.12
25 local http_files = require "net.http.files";
26 serve = http_files.serve;
27 end) then
28 -- Prosody <= 0.11
29 serve = module:depends "http_files".serve;
30 end
31 local mime_map = module:shared("/*/http_files/mime").types or { css = "text/css", js = "application/javascript" };
32 serve_dist = serve({ path = resources, mime_map = mime_map });
33
34 cdn_url = module:http_url();
35 end
36
37 local js_url = module:get_option_string("jsxc_script", cdn_url..version.."/dist/jsxc.bundle.js");
38 local css_url = module:get_option_string("jsxc_css", cdn_url..version.."/dist/styles/jsxc.bundle.css");
39
40 local html_template;
41
42 do
43 local template_filename = module:get_option_string(module.name .. "_html_template", "templates/template.html");
44 local template_file, err = module:load_resource(template_filename);
45 if template_file then
46 html_template, err = template_file:read("*a");
47 template_file:close();
48 end
49 if not html_template then
50 module:log("error", "Error loading HTML template: %s", err);
51 html_template = render("<h1>mod_{module} could not read the template</h1>\
52 <p>Tried to open <b>{filename}</b></p>\
53 <pre>{error}</pre>",
54 { module = module.name, filename = template_filename, error = err });
55 end
56 end
57
58 local js_template;
59 do
60 local template_filename = module:get_option_string(module.name .. "_js_template", "templates/template.js");
61 local template_file, err = module:load_resource(template_filename);
62 if template_file then
63 js_template, err = template_file:read("*a");
64 template_file:close();
65 end
66 if not js_template then
67 module:log("error", "Error loading JS template: %s", err);
68 js_template = render("console.log(\"mod_{module} could not read the JS template: %s\", {error|json})",
69 { module = module.name, filename = template_filename, error = err });
70 end
71 end
72
73 local function get_jsxc_options()
74 return { xmpp = { url = module:http_url("bosh", "/http-bind"), domain = module.host } };
75 end
76
77 local add_tags = module:get_option_array("jsxc_tags", {});
78
79 module:provides("http", {
80 title = "jsxc.js";
81 route = {
82 GET = function (event)
83 local jsxc_options = get_jsxc_options();
84
85 event.response.headers.content_type = "text/html";
86 return render(html_template, {
87 service_name = module:get_option_string("name");
88 header_scripts = { jquery_url, js_url };
89 header_style = { css_url };
90 header_tags = add_tags;
91 jsxcjs = {
92 options = jsxc_options;
93 startup = { script = js_template:format(json_encode(jsxc_options)); }
94 };
95 });
96 end;
97
98 ["GET /prosody-jsxc.js"] = function (event)
99 local jsxc_options = get_jsxc_options();
100
101 event.response.headers.content_type = "application/javascript";
102 return js_template:format(json_encode(jsxc_options));
103 end;
104 ["GET /dist/*"] = serve_dist;
105 }
106 });
107