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annotate mod_conversejs/mod_conversejs.lua @ 3333:5be90562e14b

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mod_conversejs: Allow custom tags to be inserted into the generated HTML
author Matthew Wild <mwild1@gmail.com>
date Thu, 27 Sep 2018 11:55:35 +0100
parents 4fdd8b77da54
children b46bb9392efe
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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 module:depends"bosh";
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8
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9 local has_ws = pcall(function ()
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10 module:depends("websocket");
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11 end);
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12
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13 local cdn_url = module:get_option_string("conversejs_cdn", "https://cdn.conversejs.org");
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14
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15 local version = module:get_option_string("conversejs_version", "4.0.1");
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16 local js_url = module:get_option_string("conversejs_script", cdn_url.."/"..version.."/dist/converse.min.js");
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17 local css_url = module:get_option_string("conversejs_css", cdn_url.."/"..version.."/css/converse.min.css");
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18
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19 local html_template = ([[
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20 <!DOCTYPE html>
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21 <html>
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22 <head>
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23 <meta charset="utf-8">
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24 <link rel="stylesheet" type="text/css" media="screen" href="$css_url"/>
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25 <script charset="utf-8" src="$js_url"></script>
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26 <title>Prosody IM and Converse.js</title>
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27 </head>
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28 <body>
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29 <noscript>
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30 <h1>Converse.js</h1>
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31 <p>I&apos;m sorry, but this XMPP client application won&apos;t work without JavaScript.</p>
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32 <p>Perhaps you would like to try one of these clients:</p>
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33 <dl>
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34 <dt>Desktop</dt>
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35 <dd><ul>
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36 <li><a href="https://gajim.org/">Gajim</a></li>
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37 <li><a href="https://poez.io/">Poezio</a></li>
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38 <li><a href="https://swift.im/">Swift</a></li>
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39 </ul></dd>
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40 <dt>Mobile</dt>
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41 <dd><ul>
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42 <li><a href="https://github.com/siacs/Conversations">Conversations</a></li>
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43 <li><a href="https://yaxim.org/">Yaxim</a></li>
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44 </ul></dd>
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45 </dl>
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46 <p><a href="https://xmpp.org/software/clients.html">More clients...</a></p>
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47 </noscript>
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48 <script>%s</script>
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49 </body>
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50 </html>
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51 ]]):gsub("$([%w_]+)", { js_url = js_url, css_url = css_url });
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52
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53 js_template = "converse.initialize(%s);";
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54
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55 local user_options = module:get_option("conversejs_options");
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56
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57 local function get_converse_options()
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58 local allow_registration = module:get_option_boolean("allow_registration", false);
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59 local converse_options = {
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60 bosh_service_url = module:http_url("bosh","/http-bind");
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61 websocket_url = has_ws and module:http_url("websocket","xmpp-websocket"):gsub("^http", "ws") or nil;
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62 authentication = module:get_option_string("authentication") == "anonymous" and "anonymous" or "login";
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63 jid = module.host;
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64 default_domain = module.host;
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65 domain_placeholder = module.host;
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66 allow_registration = allow_registration;
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67 registration_domain = allow_registration and module.host or nil;
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68 };
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69
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70 if type(user_options) == "table" then
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71 for k,v in pairs(user_options) do
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72 converse_options[k] = v;
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73 end
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74 end
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75
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76 return converse_options;
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77 end
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78
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79 local add_tags = module:get_option_set("conversejs_tags");
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80
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81 if add_tags then
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82 local tags = {};
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83 for tag in add_tags do
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84 table.insert(tags, tag);
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85 end
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86 html_template = html_template:gsub("</head>", table.concat(tags, "\n"):gsub("%%", "%%").."\n</head>");
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87 end
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88
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89 module:provides("http", {
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90 route = {
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91 GET = function (event)
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92 local converse_options = get_converse_options();
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93
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94 event.response.headers.content_type = "text/html";
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95 return html_template:format(js_template:format(json_encode(converse_options)));
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96 end;
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97
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98 ["GET /prosody-converse.js"] = function (event)
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99 local converse_options = get_converse_options();
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100
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101 event.response.headers.content_type = "application/javascript";
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102 return js_template:format(json_encode(converse_options));
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103 end;
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104 }
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105 });
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106