2024-03-19 13:20:56 +00:00
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{
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config,
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lib,
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pkgs,
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...
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}:
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let
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cfg = config.clan.matrix-synapse;
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2024-05-29 12:24:36 +00:00
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nginx-vhost = "matrix.${config.clan.matrix-synapse.domain}";
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element-web =
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2024-05-31 14:36:37 +00:00
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pkgs.runCommand "element-web-with-config" { nativeBuildInputs = [ pkgs.buildPackages.jq ]; }
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''
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cp -r ${pkgs.element-web} $out
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chmod -R u+w $out
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jq '."default_server_config"."m.homeserver" = { "base_url": "https://${nginx-vhost}:443", "server_name": "${config.clan.matrix-synapse.domain}" }' \
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> $out/config.json < ${pkgs.element-web}/config.json
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ln -s $out/config.json $out/config.${nginx-vhost}.json
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'';
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2024-06-11 11:15:30 +00:00
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# FIXME: This was taken from upstream. Drop this when our patch is upstream
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synapseCfg = config.services.matrix-synapse;
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wantedExtras =
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synapseCfg.extras
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++ lib.optional (synapseCfg.settings ? oidc_providers) "oidc"
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++ lib.optional (synapseCfg.settings ? jwt_config) "jwt"
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++ lib.optional (synapseCfg.settings ? saml2_config) "saml2"
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++ lib.optional (synapseCfg.settings ? redis) "redis"
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++ lib.optional (synapseCfg.settings ? sentry) "sentry"
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++ lib.optional (synapseCfg.settings ? user_directory) "user-search"
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++ lib.optional (synapseCfg.settings.url_preview_enabled) "url-preview"
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++ lib.optional (synapseCfg.settings.database.name == "psycopg2") "postgres";
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2024-03-19 13:20:56 +00:00
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in
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{
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2024-06-11 11:15:30 +00:00
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options.services.matrix-synapse.package = lib.mkOption { readOnly = false; };
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2024-03-19 13:20:56 +00:00
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options.clan.matrix-synapse = {
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domain = lib.mkOption {
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type = lib.types.str;
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description = "The domain name of the matrix server";
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2024-05-29 12:24:36 +00:00
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example = "example.com";
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2024-03-19 13:20:56 +00:00
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};
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2024-06-11 11:15:30 +00:00
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users = lib.mkOption {
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2024-06-11 13:12:30 +00:00
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default = { };
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2024-06-11 11:15:30 +00:00
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type = lib.types.attrsOf (
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lib.types.submodule (
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{ name, ... }:
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{
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options = {
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name = lib.mkOption {
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type = lib.types.str;
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default = name;
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description = "The name of the user";
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};
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admin = lib.mkOption {
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type = lib.types.bool;
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default = false;
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description = "Whether the user should be an admin";
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};
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};
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}
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)
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);
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description = "A list of users. Not that only new users will be created and existing ones are not modified.";
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example.alice = {
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admin = true;
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};
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};
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2024-03-19 13:20:56 +00:00
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};
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2024-05-29 14:12:06 +00:00
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imports = [
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2024-06-11 11:15:30 +00:00
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../postgresql
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2024-05-29 14:12:06 +00:00
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(lib.mkRemovedOptionModule [
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"clan"
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"matrix-synapse"
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"enable"
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] "Importing the module will already enable the service.")
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../postgresql
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];
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config = {
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2024-03-19 13:20:56 +00:00
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services.matrix-synapse = {
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2024-06-11 11:15:30 +00:00
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package = lib.mkForce (
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pkgs.matrix-synapse.override {
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matrix-synapse-unwrapped = pkgs.matrix-synapse.unwrapped.overrideAttrs (_old: {
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doInstallCheck = false; # too slow, nixpkgs maintainer already run this.
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# see: https://github.com/element-hq/synapse/pull/17294
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patches = [ ./0001-register_new_matrix_user-add-password-file-flag.patch ];
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});
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extras = wantedExtras;
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plugins = synapseCfg.plugins;
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}
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);
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2024-03-19 13:20:56 +00:00
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enable = true;
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settings = {
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server_name = cfg.domain;
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database = {
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args.user = "matrix-synapse";
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args.database = "matrix-synapse";
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name = "psycopg2";
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};
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turn_uris = [
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"turn:turn.matrix.org?transport=udp"
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"turn:turn.matrix.org?transport=tcp"
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];
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2024-06-11 14:20:05 +00:00
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registration_shared_secret_path = "/run/synapse-registration-shared-secret";
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2024-03-19 13:20:56 +00:00
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listeners = [
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{
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port = 8008;
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bind_addresses = [ "::1" ];
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type = "http";
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tls = false;
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x_forwarded = true;
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resources = [
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{
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names = [ "client" ];
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compress = true;
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}
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{
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names = [ "federation" ];
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compress = false;
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}
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];
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}
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];
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};
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};
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2024-06-11 11:15:30 +00:00
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systemd.tmpfiles.settings."01-matrix" = {
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2024-06-11 14:20:05 +00:00
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"/run/synapse-registration-shared-secret" = {
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2024-05-31 14:36:37 +00:00
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C.argument =
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config.clanCore.facts.services.matrix-synapse.secret.synapse-registration_shared_secret.path;
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2024-05-29 12:24:36 +00:00
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z = {
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mode = "0400";
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user = "matrix-synapse";
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};
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};
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};
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2024-05-31 15:16:52 +00:00
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clan.postgresql.users.matrix-synapse = { };
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clan.postgresql.databases.matrix-synapse.create.options = {
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TEMPLATE = "template0";
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LC_COLLATE = "C";
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LC_CTYPE = "C";
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ENCODING = "UTF8";
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OWNER = "matrix-synapse";
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};
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2024-03-19 13:20:56 +00:00
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2024-06-11 11:15:30 +00:00
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clanCore.facts.services =
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{
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"matrix-synapse" = {
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secret."synapse-registration_shared_secret" = { };
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generator.path = with pkgs; [
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coreutils
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pwgen
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];
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generator.script = ''
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2024-06-11 14:20:05 +00:00
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echo -n "$(pwgen -s 32 1)" > "$secrets"/synapse-registration_shared_secret
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2024-06-11 11:15:30 +00:00
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'';
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};
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}
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// lib.mapAttrs' (
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name: user:
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lib.nameValuePair "matrix-password-${user.name}" {
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secret."matrix-password-${user.name}" = { };
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2024-06-11 13:36:40 +00:00
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generator.path = with pkgs; [ xkcdpass ];
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2024-06-11 11:15:30 +00:00
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generator.script = ''
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xkcdpass -n 4 -d - > "$secrets"/${lib.escapeShellArg "matrix-password-${user.name}"}
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'';
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}
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) cfg.users;
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systemd.services.matrix-synapse =
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let
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usersScript =
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''
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while ! ${pkgs.netcat}/bin/nc -z -v ::1 8008; do
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if ! kill -0 "$MAINPID"; then exit 1; fi
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sleep 1;
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done
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headers=$(mktemp)
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trap 'rm -f "$headers"' EXIT
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cat > "$headers" <<EOF
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2024-06-11 14:20:05 +00:00
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Authorization: Bearer $(cat /run/synapse-registration-shared-secret)
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2024-06-11 11:15:30 +00:00
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EOF
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''
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+ lib.concatMapStringsSep "\n" (user: ''
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# only create user if it doesn't exist
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2024-06-11 14:04:36 +00:00
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set -x
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if ! curl --silent --header "@$headers" "http://localhost:8008/_synapse/admin/v1/whois/@${user.name}:${cfg.domain}" >&2; then
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2024-06-11 11:15:30 +00:00
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/run/current-system/sw/bin/matrix-synapse-register_new_matrix_user --password-file ${
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config.clanCore.facts.services."matrix-password-${user.name}".secret."matrix-password-${user.name}".path
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} --user "${user.name}" ${if user.admin then "--admin" else "--no-admin"}
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fi
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'') (lib.attrValues cfg.users);
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in
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{
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path = [ pkgs.curl ];
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serviceConfig.ExecStartPost = [
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(''+${pkgs.writeShellScript "matrix-synapse-create-users" usersScript}'')
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];
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};
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2024-03-19 13:20:56 +00:00
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services.nginx = {
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enable = true;
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virtualHosts = {
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${cfg.domain} = {
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locations."= /.well-known/matrix/server".extraConfig = ''
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add_header Content-Type application/json;
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return 200 '${builtins.toJSON { "m.server" = "matrix.${cfg.domain}:443"; }}';
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'';
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locations."= /.well-known/matrix/client".extraConfig = ''
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add_header Content-Type application/json;
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add_header Access-Control-Allow-Origin *;
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return 200 '${
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builtins.toJSON {
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"m.homeserver" = {
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2024-05-29 12:24:36 +00:00
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"base_url" = "https://${nginx-vhost}";
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2024-03-19 13:20:56 +00:00
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};
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"m.identity_server" = {
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"base_url" = "https://vector.im";
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};
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}
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}';
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'';
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};
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2024-05-29 12:24:36 +00:00
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${nginx-vhost} = {
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2024-03-19 13:20:56 +00:00
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forceSSL = true;
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enableACME = true;
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2024-05-29 12:24:36 +00:00
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locations."/_matrix".proxyPass = "http://localhost:8008";
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locations."/_synapse".proxyPass = "http://localhost:8008";
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locations."/".root = element-web;
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2024-03-19 13:20:56 +00:00
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};
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};
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};
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};
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}
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