336 lines
11 KiB
Nix
336 lines
11 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.services.jitsi-meet;
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# The configuration files are JS of format "var <<string>> = <<JSON>>;". In order to
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# override only some settings, we need to extract the JSON, use jq to merge it with
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# the config provided by user, and then reconstruct the file.
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overrideJs =
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source: varName: userCfg: appendExtra:
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let
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extractor = pkgs.writeText "extractor.js" ''
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var fs = require("fs");
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eval(fs.readFileSync(process.argv[2], 'utf8'));
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process.stdout.write(JSON.stringify(eval(process.argv[3])));
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'';
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userJson = pkgs.writeText "user.json" (builtins.toJSON userCfg);
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in (pkgs.runCommand "${varName}.js" { } ''
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${pkgs.nodejs}/bin/node ${extractor} ${source} ${varName} > default.json
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(
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echo "var ${varName} = "
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${pkgs.jq}/bin/jq -s '.[0] * .[1]' default.json ${userJson}
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echo ";"
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echo ${escapeShellArg appendExtra}
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) > $out
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'');
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# Essential config - it's probably not good to have these as option default because
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# types.attrs doesn't do merging. Let's merge explicitly, can still be overriden if
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# user desires.
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defaultCfg = {
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hosts = {
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domain = cfg.hostName;
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muc = "conference.${cfg.hostName}";
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focus = "focus.${cfg.hostName}";
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};
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bosh = "//${cfg.hostName}/http-bind";
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};
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in
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{
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options.services.jitsi-meet = with types; {
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enable = mkEnableOption "Jitsi Meet - Secure, Simple and Scalable Video Conferences";
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hostName = mkOption {
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type = str;
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example = "meet.example.org";
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description = ''
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Hostname of the Jitsi Meet instance.
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'';
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};
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config = mkOption {
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type = attrs;
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default = { };
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example = literalExpression ''
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{
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enableWelcomePage = false;
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defaultLang = "fi";
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}
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'';
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description = ''
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Client-side web application settings that override the defaults in <filename>config.js</filename>.
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See <link xlink:href="https://github.com/jitsi/jitsi-meet/blob/master/config.js" /> for default
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configuration with comments.
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'';
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};
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extraConfig = mkOption {
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type = lines;
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default = "";
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description = ''
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Text to append to <filename>config.js</filename> web application config file.
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Can be used to insert JavaScript logic to determine user's region in cascading bridges setup.
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'';
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};
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interfaceConfig = mkOption {
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type = attrs;
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default = { };
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example = literalExpression ''
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{
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SHOW_JITSI_WATERMARK = false;
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SHOW_WATERMARK_FOR_GUESTS = false;
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}
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'';
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description = ''
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Client-side web-app interface settings that override the defaults in <filename>interface_config.js</filename>.
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See <link xlink:href="https://github.com/jitsi/jitsi-meet/blob/master/interface_config.js" /> for
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default configuration with comments.
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'';
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};
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videobridge = {
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enable = mkOption {
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type = bool;
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default = true;
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description = ''
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Whether to enable Jitsi Videobridge instance and configure it to connect to Prosody.
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Additional configuration is possible with <option>services.jitsi-videobridge</option>.
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'';
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};
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passwordFile = mkOption {
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type = nullOr str;
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default = null;
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example = "/run/keys/videobridge";
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description = ''
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File containing password to the Prosody account for videobridge.
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If <literal>null</literal>, a file with password will be generated automatically. Setting
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this option is useful if you plan to connect additional videobridges to the XMPP server.
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'';
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};
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};
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jicofo.enable = mkOption {
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type = bool;
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default = true;
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description = ''
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Whether to enable JiCoFo instance and configure it to connect to Prosody.
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Additional configuration is possible with <option>services.jicofo</option>.
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'';
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};
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nginx.enable = mkOption {
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type = bool;
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default = true;
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description = ''
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Whether to enable nginx virtual host that will serve the javascript application and act as
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a proxy for the XMPP server. Further nginx configuration can be done by adapting
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<option>services.nginx.virtualHosts.<hostName></option>.
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When this is enabled, ACME will be used to retrieve a TLS certificate by default. To disable
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this, set the <option>services.nginx.virtualHosts.<hostName>.enableACME</option> to
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<literal>false</literal> and if appropriate do the same for
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<option>services.nginx.virtualHosts.<hostName>.forceSSL</option>.
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'';
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};
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prosody.enable = mkOption {
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type = bool;
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default = true;
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description = ''
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Whether to configure Prosody to relay XMPP messages between Jitsi Meet components. Turn this
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off if you want to configure it manually.
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'';
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};
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};
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config = mkIf cfg.enable {
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services.prosody = mkIf cfg.prosody.enable {
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enable = mkDefault true;
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xmppComplianceSuite = mkDefault false;
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modules = {
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admin_adhoc = mkDefault false;
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bosh = mkDefault true;
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ping = mkDefault true;
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roster = mkDefault true;
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saslauth = mkDefault true;
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tls = mkDefault true;
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};
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muc = [
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{
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domain = "conference.${cfg.hostName}";
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name = "Jitsi Meet MUC";
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roomLocking = false;
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roomDefaultPublicJids = true;
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extraConfig = ''
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storage = "memory"
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'';
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}
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{
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domain = "internal.${cfg.hostName}";
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name = "Jitsi Meet Videobridge MUC";
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extraConfig = ''
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storage = "memory"
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admins = { "focus@auth.${cfg.hostName}", "jvb@auth.${cfg.hostName}" }
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'';
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#-- muc_room_cache_size = 1000
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}
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];
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extraModules = [ "pubsub" ];
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extraPluginPaths = [ "${pkgs.jitsi-meet-prosody}/share/prosody-plugins" ];
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extraConfig = mkAfter ''
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Component "focus.${cfg.hostName}" "client_proxy"
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target_address = "focus@auth.${cfg.hostName}"
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'';
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virtualHosts.${cfg.hostName} = {
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enabled = true;
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domain = cfg.hostName;
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extraConfig = ''
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authentication = "anonymous"
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c2s_require_encryption = false
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admins = { "focus@auth.${cfg.hostName}" }
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'';
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ssl = {
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cert = "/var/lib/jitsi-meet/jitsi-meet.crt";
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key = "/var/lib/jitsi-meet/jitsi-meet.key";
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};
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};
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virtualHosts."auth.${cfg.hostName}" = {
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enabled = true;
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domain = "auth.${cfg.hostName}";
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extraConfig = ''
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authentication = "internal_plain"
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'';
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ssl = {
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cert = "/var/lib/jitsi-meet/jitsi-meet.crt";
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key = "/var/lib/jitsi-meet/jitsi-meet.key";
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};
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};
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};
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systemd.services.prosody.serviceConfig = mkIf cfg.prosody.enable {
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EnvironmentFile = [ "/var/lib/jitsi-meet/secrets-env" ];
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SupplementaryGroups = [ "jitsi-meet" ];
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};
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users.groups.jitsi-meet = {};
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systemd.tmpfiles.rules = [
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"d '/var/lib/jitsi-meet' 0750 root jitsi-meet - -"
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];
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systemd.services.jitsi-meet-init-secrets = {
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wantedBy = [ "multi-user.target" ];
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before = [ "jicofo.service" "jitsi-videobridge2.service" ] ++ (optional cfg.prosody.enable "prosody.service");
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serviceConfig = {
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Type = "oneshot";
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};
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script = let
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secrets = [ "jicofo-component-secret" "jicofo-user-secret" ] ++ (optional (cfg.videobridge.passwordFile == null) "videobridge-secret");
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videobridgeSecret = if cfg.videobridge.passwordFile != null then cfg.videobridge.passwordFile else "/var/lib/jitsi-meet/videobridge-secret";
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in
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''
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cd /var/lib/jitsi-meet
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${concatMapStringsSep "\n" (s: ''
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if [ ! -f ${s} ]; then
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tr -dc a-zA-Z0-9 </dev/urandom | head -c 64 > ${s}
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chown root:jitsi-meet ${s}
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chmod 640 ${s}
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fi
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'') secrets}
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# for easy access in prosody
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echo "JICOFO_COMPONENT_SECRET=$(cat jicofo-component-secret)" > secrets-env
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chown root:jitsi-meet secrets-env
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chmod 640 secrets-env
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''
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+ optionalString cfg.prosody.enable ''
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${config.services.prosody.package}/bin/prosodyctl register focus auth.${cfg.hostName} "$(cat /var/lib/jitsi-meet/jicofo-user-secret)"
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${config.services.prosody.package}/bin/prosodyctl register jvb auth.${cfg.hostName} "$(cat ${videobridgeSecret})"
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${config.services.prosody.package}/bin/prosodyctl mod_roster_command subscribe focus.${cfg.hostName} focus@auth.${cfg.hostName}
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# generate self-signed certificates
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if [ ! -f /var/lib/jitsi-meet.crt ]; then
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${getBin pkgs.openssl}/bin/openssl req \
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-x509 \
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-newkey rsa:4096 \
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-keyout /var/lib/jitsi-meet/jitsi-meet.key \
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-out /var/lib/jitsi-meet/jitsi-meet.crt \
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-days 36500 \
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-nodes \
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-subj '/CN=${cfg.hostName}/CN=auth.${cfg.hostName}'
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chmod 640 /var/lib/jitsi-meet/jitsi-meet.{crt,key}
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chown root:jitsi-meet /var/lib/jitsi-meet/jitsi-meet.{crt,key}
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fi
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'';
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};
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services.nginx = mkIf cfg.nginx.enable {
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enable = mkDefault true;
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virtualHosts.${cfg.hostName} = {
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enableACME = mkDefault true;
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forceSSL = mkDefault true;
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root = pkgs.jitsi-meet;
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extraConfig = ''
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ssi on;
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'';
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locations."@root_path".extraConfig = ''
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rewrite ^/(.*)$ / break;
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'';
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locations."~ ^/([^/\\?&:'\"]+)$".tryFiles = "$uri @root_path";
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locations."=/http-bind" = {
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proxyPass = "http://localhost:5280/http-bind";
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extraConfig = ''
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proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
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proxy_set_header Host $host;
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'';
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};
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locations."=/external_api.js" = mkDefault {
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alias = "${pkgs.jitsi-meet}/libs/external_api.min.js";
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};
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locations."=/config.js" = mkDefault {
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alias = overrideJs "${pkgs.jitsi-meet}/config.js" "config" (recursiveUpdate defaultCfg cfg.config) cfg.extraConfig;
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};
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locations."=/interface_config.js" = mkDefault {
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alias = overrideJs "${pkgs.jitsi-meet}/interface_config.js" "interfaceConfig" cfg.interfaceConfig "";
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};
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};
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};
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services.jitsi-videobridge = mkIf cfg.videobridge.enable {
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enable = true;
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xmppConfigs."localhost" = {
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userName = "jvb";
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domain = "auth.${cfg.hostName}";
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passwordFile = "/var/lib/jitsi-meet/videobridge-secret";
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mucJids = "jvbbrewery@internal.${cfg.hostName}";
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disableCertificateVerification = true;
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};
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};
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services.jicofo = mkIf cfg.jicofo.enable {
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enable = true;
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xmppHost = "localhost";
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xmppDomain = cfg.hostName;
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userDomain = "auth.${cfg.hostName}";
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userName = "focus";
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userPasswordFile = "/var/lib/jitsi-meet/jicofo-user-secret";
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componentPasswordFile = "/var/lib/jitsi-meet/jicofo-component-secret";
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bridgeMuc = "jvbbrewery@internal.${cfg.hostName}";
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config = {
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"org.jitsi.jicofo.ALWAYS_TRUST_MODE_ENABLED" = "true";
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};
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};
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};
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meta.doc = ./jitsi-meet.xml;
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meta.maintainers = lib.teams.jitsi.members;
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}
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