Mercurial > prosody-modules

annotate mod_conversejs/mod_conversejs.lua @ 5924:2b80188448d1

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mod_cloud_notify_encrypted: Add runtime dependency on mod_cloud_notify
author Matthew Wild <mwild1@gmail.com>
date Wed, 19 Jun 2024 16:54:52 +0100
parents 1c8197075d04
children
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rev   line source
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6f5c99c9f6cc mod_conversejs: Simple demo module for serving converse.js from internal http server
Kim Alvefur <zash@zash.se>
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1 -- mod_conversejs
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2 -- Copyright (C) 2017-2022 Kim Alvefur
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3
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4 local json_encode = require"util.json".encode;
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5 local xml_escape = require "util.stanza".xml_escape;
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6 local urlencode = require "util.http".urlencode;
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7 local render = require "util.interpolation".new("%b{}", xml_escape, { json = json_encode });
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8
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9 module:depends"http";
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10
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11 local has_bosh = pcall(function ()
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12 module:depends"bosh";
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13 end);
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14
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15 local has_ws = pcall(function ()
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16 module:depends("websocket");
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17 end);
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18
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19 pcall(function ()
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20 module:depends("bookmarks");
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21 end);
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22
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23 local cdn_url = module:get_option_string("conversejs_cdn", "https://cdn.conversejs.org");
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24
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25 local version = module:get_option_string("conversejs_version", "");
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26 if version ~= "" then version = "/" .. version end
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27
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28 local serve_dist = nil;
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29 local resources = module:get_option_path("conversejs_resources");
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30 if resources then
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31 local serve;
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32 if prosody.process_type == "prosody" then
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33 -- Prosody >= trunk / 0.12
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34 local http_files = require "net.http.files";
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35 serve = http_files.serve;
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36 else
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37 -- Prosody <= 0.11
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38 serve = module:depends "http_files".serve;
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39 end
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40 local mime_map = module:shared("/*/http_files/mime").types or {css = "text/css"; js = "application/javascript"};
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41 serve_dist = serve({path = resources; mime_map = mime_map});
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42
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43 cdn_url = module:http_url();
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44 end
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45
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46 local js_url = module:get_option_string("conversejs_script", cdn_url..version.."/dist/converse.min.js");
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47 local css_url = module:get_option_string("conversejs_css", cdn_url..version.."/dist/converse.min.css");
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48
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49 local html_template;
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50
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51 do
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52 local template_filename = module:get_option_string(module.name .. "_html_template", "templates/template.html");
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53 local template_file, err = module:load_resource(template_filename);
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54 if template_file then
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55 html_template, err = template_file:read("*a");
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56 template_file:close();
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57 end
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58 if not html_template then
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59 module:log("error", "Error loading HTML template: %s", err);
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60 html_template = render("<h1>mod_{module} could not read the template</h1>\
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61 <p>Tried to open <b>{filename}</b></p>\
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62 <pre>{error}</pre>",
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63 { module = module.name, filename = template_filename, error = err });
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64 end
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65 end
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66
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67 local js_template;
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68 do
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69 local template_filename = module:get_option_string(module.name .. "_js_template", "templates/template.js");
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70 local template_file, err = module:load_resource(template_filename);
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71 if template_file then
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72 js_template, err = template_file:read("*a");
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73 template_file:close();
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74 end
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75 if not js_template then
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76 module:log("error", "Error loading JS template: %s", err);
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77 js_template = render("console.log(\"mod_{module} could not read the JS template: %s\", {error|json})",
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78 { module = module.name, filename = template_filename, error = err });
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79 end
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80 end
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81
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82 local function get_converse_options()
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83 local user_options = module:get_option("conversejs_options");
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84
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85 local allow_registration = module:get_option_boolean("allow_registration", false);
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86 local converse_options = {
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87 -- Auto-detected connection endpoints
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88 bosh_service_url = has_bosh and module:http_url("bosh","/http-bind") or nil;
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89 websocket_url = has_ws and module:http_url("websocket","xmpp-websocket"):gsub("^http", "ws") or nil;
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90 -- Since we provide those, XEP-0156 based auto-discovery should not be used
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91 discover_connection_methods = false;
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92 -- Authentication mode to use (normal or guest login)
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93 authentication = module:get_option_string("authentication") == "anonymous" and "anonymous" or "login";
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94 -- Host to connect to for anonymous access
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95 jid = module.host;
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96 -- Let users login with only username
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97 default_domain = module.host;
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98 domain_placeholder = module.host;
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99 -- If registration is enabled
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100 allow_registration = allow_registration;
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101 -- and if it is, which domain to register with
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102 registration_domain = allow_registration and module.host or nil;
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103 -- Path to resources like emoji, icons, sounds
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104 assets_path = cdn_url..version.."/dist/";
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105 -- Default most suited for use as a "normal" client
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106 view_mode = "fullscreen";
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107 };
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108
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109 -- Let config override the above defaults
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110 if type(user_options) == "table" then
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111 for k,v in pairs(user_options) do
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112 converse_options[k] = v;
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113 end
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114 end
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115
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116 return converse_options;
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117 end
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118
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119 local add_tags = module:get_option_array("conversejs_tags", {});
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120
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121 local service_name = module:get_option_string("name", "Prosody IM and Converse.js");
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122 local service_short_name = module:get_option_string("short_name", "Converse");
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123 local service_description = module:get_option_string("description", "Messaging Freedom")
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124 local pwa_color = module:get_option_string("pwa_color", "#397491")
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125
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126 module:provides("http", {
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127 title = "Converse.js";
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128 route = {
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129 GET = function (event)
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130 local converse_options = get_converse_options();
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131
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132 event.response.headers.content_type = "text/html";
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133 return render(html_template, {
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134 service_name = service_name;
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135 -- note that using a relative path won’t work as this URL doesn’t end in a /
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136 manifest_url = module:http_url().."/manifest.json",
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137 header_scripts = { js_url };
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138 header_style = { css_url };
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139 header_tags = add_tags;
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140 conversejs = {
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141 options = converse_options;
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142 startup = { script = js_template:format(json_encode(converse_options)); }
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143 };
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144 });
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145 end;
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146
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147 ["GET /prosody-converse.js"] = function (event)
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148 local converse_options = get_converse_options();
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149
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150 event.response.headers.content_type = "application/javascript";
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151 return js_template:format(json_encode(converse_options));
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152 end;
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153 ["GET /manifest.json"] = function (event)
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154 -- See manifest.json in the root of Converse.js’s git repository
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155 local data = {
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156 short_name = service_short_name,
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157 name = service_name,
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158 description = service_description,
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159 categories = {"social"},
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160 icons = module:get_option_array("manifest_icons", {
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161 {
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162 src = cdn_url..version.."/dist/images/logo/conversejs-filled-512.png",
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163 sizes = "512x512",
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164 },
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165 {
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166 src = cdn_url..version.."/dist/images/logo/conversejs-filled-192.png",
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167 sizes = "192x192",
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168 },
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169 {
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170 src = cdn_url..version.."/dist/images/logo/conversejs-filled-192.svg",
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171 sizes = "192x192",
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172 },
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173 {
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174 src = cdn_url..version.."/dist/images/logo/conversejs-filled-512.svg",
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175 sizes = "512x512",
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176 },
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177 }),
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178 start_url = module:http_url(),
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179 background_color = pwa_color,
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180 display = "standalone",
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181 scope = module:http_url().."/",
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182 theme_color = pwa_color,
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183 }
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184 return {
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185 headers = { content_type = "application/schema+json" },
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186 body = json_encode(data),
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187 }
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188 end;
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189 ["GET /dist/*"] = serve_dist;
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190 }
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191 });
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192
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193 module:provides("site-app", {
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194 name = "Converse.js";
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195 text = [[A free and open-source XMPP chat client in your browser]];
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196 image = "assets/logos/converse-js.svg";
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197 link = "https://conversejs.org/";
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198 magic_link_format = "/register?t={invite.token}&c=converse-js";
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199 login_link_format = module:http_url();
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200 platforms = { "Web" };
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201 download = {
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202 buttons = {
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203 {
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204 text = "Open web chat";
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205 url = module:http_url();
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206 };
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207 };
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208 };
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209
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210 });