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annotate mod_conversejs/mod_conversejs.lua @ 3452:0c539092aa75

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author Kim Alvefur <zash@zash.se>
date Mon, 21 Jan 2019 19:17:49 +0100
parents 2681f74750b2
children f59334da6df9
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1 -- mod_conversejs
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2 -- Copyright (C) 2017 Kim Alvefur
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3
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4 local json_encode = require"util.json".encode;
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5
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6 module:depends"http";
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7
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8 local has_bosh = pcall(function ()
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9 module:depends"bosh";
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10 end);
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11
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12 local has_ws = pcall(function ()
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13 module:depends("websocket");
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14 end);
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15
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16 local cdn_url = module:get_option_string("conversejs_cdn", "https://cdn.conversejs.org");
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17
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18 local version = module:get_option_string("conversejs_version", "");
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19 if version ~= "" then version = "/" .. version end
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20 local js_url = module:get_option_string("conversejs_script", cdn_url..version.."/dist/converse.min.js");
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21 local css_url = module:get_option_string("conversejs_css", cdn_url..version.."/css/converse.min.css");
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22
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23 local html_template = ([[
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24 <!DOCTYPE html>
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25 <html>
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26 <head>
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27 <meta charset="utf-8">
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28 <link rel="stylesheet" type="text/css" media="screen" href="$css_url"/>
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29 <script charset="utf-8" src="$js_url"></script>
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30 <title>Prosody IM and Converse.js</title>
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31 </head>
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32 <body>
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33 <noscript>
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34 <h1>Converse.js</h1>
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35 <p>I&apos;m sorry, but this XMPP client application won&apos;t work without JavaScript.</p>
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36 <p>Perhaps you would like to try one of these clients:</p>
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37 <dl>
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38 <dt>Desktop</dt>
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39 <dd><ul>
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40 <li><a href="https://gajim.org/">Gajim</a></li>
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41 <li><a href="https://poez.io/">Poezio</a></li>
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42 <li><a href="https://swift.im/">Swift</a></li>
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43 </ul></dd>
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44 <dt>Mobile</dt>
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45 <dd><ul>
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46 <li><a href="https://github.com/siacs/Conversations">Conversations</a></li>
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47 <li><a href="https://yaxim.org/">Yaxim</a></li>
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48 </ul></dd>
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49 </dl>
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50 <p><a href="https://xmpp.org/software/clients.html">More clients...</a></p>
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51 </noscript>
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52 <script>%s</script>
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53 </body>
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54 </html>
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55 ]]):gsub("$([%w_]+)", { js_url = js_url, css_url = css_url });
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56
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57 js_template = "converse.initialize(%s);";
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58
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59 local user_options = module:get_option("conversejs_options");
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60
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61 local function get_converse_options()
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62 local allow_registration = module:get_option_boolean("allow_registration", false);
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63 local converse_options = {
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64 bosh_service_url = has_bosh and module:http_url("bosh","/http-bind") or nil;
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65 websocket_url = has_ws and module:http_url("websocket","xmpp-websocket"):gsub("^http", "ws") or nil;
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66 authentication = module:get_option_string("authentication") == "anonymous" and "anonymous" or "login";
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67 jid = module.host;
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68 default_domain = module.host;
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69 domain_placeholder = module.host;
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70 allow_registration = allow_registration;
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71 registration_domain = allow_registration and module.host or nil;
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72 };
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73
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74 if type(user_options) == "table" then
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75 for k,v in pairs(user_options) do
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76 converse_options[k] = v;
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77 end
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78 end
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79
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80 return converse_options;
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81 end
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82
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83 local add_tags = module:get_option_set("conversejs_tags");
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84
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85 if add_tags then
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86 local tags = {};
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87 for tag in add_tags do
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88 table.insert(tags, tag);
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89 end
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90 html_template = html_template:gsub("</head>", table.concat(tags, "\n"):gsub("%%", "%%").."\n</head>");
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91 end
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92
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93 module:provides("http", {
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94 title = "Converse.js";
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95 route = {
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96 GET = function (event)
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97 local converse_options = get_converse_options();
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98
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99 event.response.headers.content_type = "text/html";
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100 return html_template:format(js_template:format(json_encode(converse_options)));
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101 end;
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102
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103 ["GET /prosody-converse.js"] = function (event)
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104 local converse_options = get_converse_options();
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105
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106 event.response.headers.content_type = "application/javascript";
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107 return js_template:format(json_encode(converse_options));
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108 end;
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109 }
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110 });
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111