Mercurial > prosody-modules

annotate mod_conversejs/mod_conversejs.lua @ 4976:75b6e5df65f9

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various: Improve error reporting if missing file server module on 0.12 If there is some error loading net.http.files then it would be swallowed by the pcall and then it would proceed to trying mod_http_files, which might cause unexpected behavior on 0.12 Ref #1765
author Kim Alvefur <zash@zash.se>
date Mon, 18 Jul 2022 22:47:54 +0200
parents f2c918fe8cf0
children 079ca766193b
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1 -- mod_conversejs
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f2c918fe8cf0 mod_conversejs: Bump Copyright year
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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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99cdc7cde150 mod_conversejs: Revert back to depending on mod_bookmarks
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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 user_options = module:get_option("conversejs_options");
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83
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84 local function get_converse_options()
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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 module:provides("http", {
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122 title = "Converse.js";
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123 route = {
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124 GET = function (event)
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125 local converse_options = get_converse_options();
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126
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127 event.response.headers.content_type = "text/html";
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128 return render(html_template, {
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129 service_name = module:get_option_string("name");
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130 header_scripts = { js_url };
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131 header_style = { css_url };
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132 header_tags = add_tags;
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133 conversejs = {
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134 options = converse_options;
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135 startup = { script = js_template:format(json_encode(converse_options)); }
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136 };
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137 });
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138 end;
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139
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140 ["GET /prosody-converse.js"] = function (event)
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141 local converse_options = get_converse_options();
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142
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143 event.response.headers.content_type = "application/javascript";
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144 return js_template:format(json_encode(converse_options));
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145 end;
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146 ["GET /dist/*"] = serve_dist;
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147 }
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148 });
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149
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150 module:provides("site-app", {
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151 name = "Converse.js";
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152 text = [[A free and open-source XMPP chat client in your browser]];
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153 image = "assets/logos/converse-js.svg";
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154 link = "https://conversejs.org/";
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155 magic_link_format = "/register?t={invite.token}&c=converse-js";
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156 login_link_format = module:http_url();
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157 platforms = { "Web" };
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158 download = {
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159 buttons = {
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160 {
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161 text = "Open web chat";
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162 url = module:http_url();
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163 };
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164 };
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165 };
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166
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167 });