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annotate mod_candy/mod_candy.lua @ 2440:7814a5c7fee8

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mod_candy: Provide websocket URI if mod_websocket is loaded, fall back to BOSH
author Kim Alvefur <zash@zash.se>
date Tue, 10 Jan 2017 14:11:56 +0100
parents 991a5f74f848
children c9372cfac3b7
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5a975ba6a845 mod_candy: Example of how easy it is to serve files from a prosody module
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1 -- mod_candy.lua
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2 -- Copyright (C) 2013-2017 Kim Alvefur
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4 local json_encode = require"util.json".encode;
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5 local is_module_loaded = require "core.modulemanager".is_loaded;
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6
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7 local serve = module:depends"http_files".serve;
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8
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9 module:provides("http", {
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10 route = {
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11 ["GET /prosody.js"] = function(event)
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12 event.response.headers.content_type = "text/javascript";
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13 local connect_path;
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14 if is_module_loaded(module.host, "websocket") then
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15 connect_path = module:http_url("websocket", "xmpp-websocket"):gsub("^http", "ws");
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16 else
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17 if not is_module_loaded(module.host, "bosh") then
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18 module:depends("bosh");
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19 end
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20 connect_path = module:http_url("bosh", "/http-bind");
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21 end
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22
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23 return ("// Generated by Prosody\n"
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24 .."var Prosody = %s;\n")
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25 :format(json_encode({
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26 connect_path = connect_path;
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27 version = prosody.version;
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28 host = module:get_host();
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29 anonymous = module:get_option_string("authentication") == "anonymous";
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30 }));
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31 end;
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32 ["GET /*"] = serve(module:get_directory().."/www_files");
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33 GET = function(event)
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34 event.response.headers.location = event.request.path.."/";
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35 return 301;
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36 end;
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37 }
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38 });
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39