Mercurial > prosody-modules

annotate mod_conversejs/mod_conversejs.lua @ 4877:adc6241e5d16

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mod_measure_process: Report the enforced limit The soft limit is what the kernel actually enforces, while the hard limit is is how far you can change the soft limit without privileges. Unless the process dynamically adjusts the soft limit, knowing the hard limit is not as useful as knowing the soft limit. Reporting the soft limit and the number of in-use FDs allows placing alerts on expressions like 'process_open_fds / process_max_fds >= 0.95'
author Kim Alvefur <zash@zash.se>
date Tue, 18 Jan 2022 18:55:20 +0100
parents 0c9128145bcf
children 99cdc7cde150
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rev   line source
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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 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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0c9128145bcf mod_conversejs: Reduce mod_bookmarks dependency to a warning
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19 do
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20 local mods = module:get_option_inherited_set("modules_enabled") - module:get_option_inherited_set("modules_disabled");
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21 if not mods:contains("bookmarks") or mods:contains("bookmarks2") then
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22 module:log("warn", "Converse.js does not work well without mod_bookmarks, consider enabling it");
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23 end
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24 end
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25
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26 local cdn_url = module:get_option_string("conversejs_cdn", "https://cdn.conversejs.org");
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27
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28 local version = module:get_option_string("conversejs_version", "");
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29 if version ~= "" then version = "/" .. version end
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30
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31 local serve_dist = nil;
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32 local resources = module:get_option_path("conversejs_resources");
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33 if resources then
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34 local serve;
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35 if not pcall(function()
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36 -- Prosody >= trunk / 0.12
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37 local http_files = require "net.http.files";
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38 serve = http_files.serve;
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39 end) then
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40 -- Prosody <= 0.11
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41 serve = module:depends "http_files".serve;
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42 end
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43 local mime_map = module:shared("/*/http_files/mime").types or {css = "text/css"; js = "application/javascript"};
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44 serve_dist = serve({path = resources; mime_map = mime_map});
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45
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46 cdn_url = module:http_url();
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47 end
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48
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49 local js_url = module:get_option_string("conversejs_script", cdn_url..version.."/dist/converse.min.js");
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50 local css_url = module:get_option_string("conversejs_css", cdn_url..version.."/dist/converse.min.css");
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51
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52 local html_template;
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53
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54 do
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55 local template_filename = module:get_option_string(module.name .. "_html_template", "templates/template.html");
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56 local template_file, err = module:load_resource(template_filename);
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57 if template_file then
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58 html_template, err = template_file:read("*a");
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59 template_file:close();
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60 end
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61 if not html_template then
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62 module:log("error", "Error loading HTML template: %s", err);
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63 html_template = render("<h1>mod_{module} could not read the template</h1>\
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64 <p>Tried to open <b>{filename}</b></p>\
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65 <pre>{error}</pre>",
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66 { module = module.name, filename = template_filename, error = err });
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67 end
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68 end
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69
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70 local js_template;
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71 do
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72 local template_filename = module:get_option_string(module.name .. "_js_template", "templates/template.js");
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73 local template_file, err = module:load_resource(template_filename);
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74 if template_file then
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75 js_template, err = template_file:read("*a");
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76 template_file:close();
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77 end
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78 if not js_template then
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79 module:log("error", "Error loading JS template: %s", err);
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80 js_template = render("console.log(\"mod_{module} could not read the JS template: %s\", {error|json})",
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81 { module = module.name, filename = template_filename, error = err });
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82 end
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83 end
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84
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85 local user_options = module:get_option("conversejs_options");
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86
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87 local function get_converse_options()
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88 local allow_registration = module:get_option_boolean("allow_registration", false);
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89 local converse_options = {
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90 -- Auto-detected connection endpoints
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91 bosh_service_url = has_bosh and module:http_url("bosh","/http-bind") or nil;
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92 websocket_url = has_ws and module:http_url("websocket","xmpp-websocket"):gsub("^http", "ws") or nil;
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93 -- Since we provide those, XEP-0156 based auto-discovery should not be used
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94 discover_connection_methods = false;
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95 -- Authentication mode to use (normal or guest login)
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96 authentication = module:get_option_string("authentication") == "anonymous" and "anonymous" or "login";
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97 -- Host to connect to for anonymous access
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98 jid = module.host;
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99 -- Let users login with only username
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100 default_domain = module.host;
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101 domain_placeholder = module.host;
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102 -- If registration is enabled
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103 allow_registration = allow_registration;
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104 -- and if it is, which domain to register with
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105 registration_domain = allow_registration and module.host or nil;
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106 -- Path to resources like emoji, icons, sounds
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107 assets_path = cdn_url..version.."/dist/";
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108 -- Default most suited for use as a "normal" client
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109 view_mode = "fullscreen";
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110 };
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111
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112 -- Let config override the above defaults
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113 if type(user_options) == "table" then
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114 for k,v in pairs(user_options) do
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115 converse_options[k] = v;
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116 end
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117 end
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118
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119 return converse_options;
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120 end
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121
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122 local add_tags = module:get_option_array("conversejs_tags", {});
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123
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124 module:provides("http", {
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125 title = "Converse.js";
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126 route = {
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127 GET = function (event)
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128 local converse_options = get_converse_options();
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129
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130 event.response.headers.content_type = "text/html";
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131 return render(html_template, {
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132 service_name = module:get_option_string("name");
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133 header_scripts = { js_url };
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134 header_style = { css_url };
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135 header_tags = add_tags;
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136 conversejs = {
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137 options = converse_options;
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138 startup = { script = js_template:format(json_encode(converse_options)); }
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139 };
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140 });
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141 end;
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142
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143 ["GET /prosody-converse.js"] = function (event)
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144 local converse_options = get_converse_options();
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145
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146 event.response.headers.content_type = "application/javascript";
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147 return js_template:format(json_encode(converse_options));
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148 end;
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149 ["GET /dist/*"] = serve_dist;
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150 }
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151 });
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152
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153 module:provides("site-app", {
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154 name = "Converse.js";
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155 text = [[A free and open-source XMPP chat client in your browser]];
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156 image = "assets/logos/converse-js.svg";
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157 link = "https://conversejs.org/";
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158 magic_link_format = "/register?t={invite.token}&c=converse-js";
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159 login_link_format = module:http_url();
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160 platforms = { "Web" };
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161 download = {
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162 buttons = {
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163 {
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164 text = "Open web chat";
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165 url = module:http_url();
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166 };
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167 };
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168 };
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169
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170 });