323 lines
11 KiB
Nix
323 lines
11 KiB
Nix
{ config, lib, pkgs, ... }:
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let
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cfg = config.services.dendrite;
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settingsFormat = pkgs.formats.yaml { };
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configurationYaml = settingsFormat.generate "dendrite.yaml" cfg.settings;
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workingDir = "/var/lib/dendrite";
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in
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{
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options.services.dendrite = {
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enable = lib.mkEnableOption "matrix.org dendrite";
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httpPort = lib.mkOption {
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type = lib.types.nullOr lib.types.port;
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default = 8008;
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description = ''
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The port to listen for HTTP requests on.
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'';
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};
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httpsPort = lib.mkOption {
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type = lib.types.nullOr lib.types.port;
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default = null;
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description = ''
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The port to listen for HTTPS requests on.
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'';
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};
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tlsCert = lib.mkOption {
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type = lib.types.nullOr lib.types.path;
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example = "/var/lib/dendrite/server.cert";
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default = null;
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description = ''
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The path to the TLS certificate.
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```
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nix-shell -p dendrite --command "generate-keys --tls-cert server.crt --tls-key server.key"
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```
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'';
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};
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tlsKey = lib.mkOption {
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type = lib.types.nullOr lib.types.path;
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example = "/var/lib/dendrite/server.key";
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default = null;
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description = ''
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The path to the TLS key.
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```
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nix-shell -p dendrite --command "generate-keys --tls-cert server.crt --tls-key server.key"
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```
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'';
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};
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environmentFile = lib.mkOption {
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type = lib.types.nullOr lib.types.path;
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example = "/var/lib/dendrite/registration_secret";
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default = null;
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description = ''
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Environment file as defined in {manpage}`systemd.exec(5)`.
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Secrets may be passed to the service without adding them to the world-readable
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Nix store, by specifying placeholder variables as the option value in Nix and
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setting these variables accordingly in the environment file. Currently only used
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for the registration secret to allow secure registration when
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client_api.registration_disabled is true.
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```
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# snippet of dendrite-related config
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services.dendrite.settings.client_api.registration_shared_secret = "$REGISTRATION_SHARED_SECRET";
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```
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```
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# content of the environment file
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REGISTRATION_SHARED_SECRET=verysecretpassword
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```
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Note that this file needs to be available on the host on which
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`dendrite` is running.
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'';
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};
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loadCredential = lib.mkOption {
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type = lib.types.listOf lib.types.str;
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default = [ ];
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example = [ "private_key:/path/to/my_private_key" ];
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description = ''
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This can be used to pass secrets to the systemd service without adding them to
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the nix store.
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To use the example setting, see the example of
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{option}`services.dendrite.settings.global.private_key`.
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See the LoadCredential section of systemd.exec manual for more information.
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'';
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};
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settings = lib.mkOption {
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type = lib.types.submodule {
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freeformType = settingsFormat.type;
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options.global = {
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server_name = lib.mkOption {
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type = lib.types.str;
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example = "example.com";
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description = ''
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The domain name of the server, with optional explicit port.
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This is used by remote servers to connect to this server.
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This is also the last part of your UserID.
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'';
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};
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private_key = lib.mkOption {
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type = lib.types.either
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lib.types.path
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(lib.types.strMatching "^\\$CREDENTIALS_DIRECTORY/.+");
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example = "$CREDENTIALS_DIRECTORY/private_key";
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description = ''
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The path to the signing private key file, used to sign
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requests and events.
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```
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nix-shell -p dendrite --command "generate-keys --private-key matrix_key.pem"
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```
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'';
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};
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trusted_third_party_id_servers = lib.mkOption {
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type = lib.types.listOf lib.types.str;
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example = [ "matrix.org" ];
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default = [ "matrix.org" "vector.im" ];
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description = ''
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Lists of domains that the server will trust as identity
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servers to verify third party identifiers such as phone
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numbers and email addresses
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'';
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};
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};
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options.app_service_api.database = {
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connection_string = lib.mkOption {
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type = lib.types.str;
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default = "file:federationapi.db";
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description = ''
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Database for the Appservice API.
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'';
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};
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};
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options.client_api = {
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registration_disabled = lib.mkOption {
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type = lib.types.bool;
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default = true;
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description = ''
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Whether to disable user registration to the server
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without the shared secret.
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'';
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};
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};
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options.federation_api.database = {
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connection_string = lib.mkOption {
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type = lib.types.str;
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default = "file:federationapi.db";
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description = ''
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Database for the Federation API.
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'';
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};
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};
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options.key_server.database = {
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connection_string = lib.mkOption {
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type = lib.types.str;
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default = "file:keyserver.db";
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description = ''
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Database for the Key Server (for end-to-end encryption).
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'';
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};
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};
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options.relay_api.database = {
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connection_string = lib.mkOption {
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type = lib.types.str;
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default = "file:relayapi.db";
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description = ''
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Database for the Relay Server.
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'';
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};
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};
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options.media_api = {
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database = {
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connection_string = lib.mkOption {
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type = lib.types.str;
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default = "file:mediaapi.db";
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description = ''
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Database for the Media API.
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'';
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};
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};
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base_path = lib.mkOption {
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type = lib.types.str;
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default = "${workingDir}/media_store";
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description = ''
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Storage path for uploaded media.
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'';
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};
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};
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options.room_server.database = {
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connection_string = lib.mkOption {
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type = lib.types.str;
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default = "file:roomserver.db";
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description = ''
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Database for the Room Server.
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'';
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};
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};
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options.sync_api.database = {
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connection_string = lib.mkOption {
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type = lib.types.str;
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default = "file:syncserver.db";
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description = ''
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Database for the Sync API.
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'';
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};
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};
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options.sync_api.search = {
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enable = lib.mkEnableOption "Dendrite's full-text search engine";
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index_path = lib.mkOption {
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type = lib.types.str;
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default = "${workingDir}/searchindex";
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description = ''
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The path the search index will be created in.
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'';
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};
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language = lib.mkOption {
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type = lib.types.str;
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default = "en";
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description = ''
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The language most likely to be used on the server - used when indexing, to
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ensure the returned results match expectations. A full list of possible languages
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can be found at https://github.com/blevesearch/bleve/tree/master/analysis/lang
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'';
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};
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};
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options.user_api = {
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account_database = {
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connection_string = lib.mkOption {
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type = lib.types.str;
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default = "file:userapi_accounts.db";
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description = ''
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Database for the User API, accounts.
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'';
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};
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};
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device_database = {
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connection_string = lib.mkOption {
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type = lib.types.str;
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default = "file:userapi_devices.db";
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description = ''
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Database for the User API, devices.
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'';
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};
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};
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};
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options.mscs = {
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database = {
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connection_string = lib.mkOption {
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type = lib.types.str;
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default = "file:mscs.db";
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description = ''
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Database for exerimental MSC's.
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'';
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};
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};
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};
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};
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default = { };
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description = ''
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Configuration for dendrite, see:
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<https://github.com/matrix-org/dendrite/blob/main/dendrite-sample.yaml>
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for available options with which to populate settings.
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'';
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};
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openRegistration = lib.mkOption {
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type = lib.types.bool;
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default = false;
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description = ''
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Allow open registration without secondary verification (reCAPTCHA).
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'';
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};
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};
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config = lib.mkIf cfg.enable {
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assertions = [{
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assertion = cfg.httpsPort != null -> (cfg.tlsCert != null && cfg.tlsKey != null);
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message = ''
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If Dendrite is configured to use https, tlsCert and tlsKey must be provided.
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nix-shell -p dendrite --command "generate-keys --tls-cert server.crt --tls-key server.key"
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'';
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}];
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systemd.services.dendrite = {
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description = "Dendrite Matrix homeserver";
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after = [
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"network.target"
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];
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wantedBy = [ "multi-user.target" ];
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serviceConfig = {
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Type = "simple";
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DynamicUser = true;
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StateDirectory = "dendrite";
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WorkingDirectory = workingDir;
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RuntimeDirectory = "dendrite";
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RuntimeDirectoryMode = "0700";
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LimitNOFILE = 65535;
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EnvironmentFile = lib.mkIf (cfg.environmentFile != null) cfg.environmentFile;
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LoadCredential = cfg.loadCredential;
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ExecStartPre = [''
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${pkgs.envsubst}/bin/envsubst \
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-i ${configurationYaml} \
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-o /run/dendrite/dendrite.yaml
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''];
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ExecStart = lib.strings.concatStringsSep " " ([
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"${pkgs.dendrite}/bin/dendrite"
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"--config /run/dendrite/dendrite.yaml"
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] ++ lib.optionals (cfg.httpPort != null) [
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"--http-bind-address :${builtins.toString cfg.httpPort}"
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] ++ lib.optionals (cfg.httpsPort != null) [
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"--https-bind-address :${builtins.toString cfg.httpsPort}"
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"--tls-cert ${cfg.tlsCert}"
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"--tls-key ${cfg.tlsKey}"
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] ++ lib.optionals cfg.openRegistration [
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"--really-enable-open-registration"
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]);
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ExecReload = "${pkgs.coreutils}/bin/kill -HUP $MAINPID";
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Restart = "on-failure";
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};
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};
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};
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meta.maintainers = lib.teams.matrix.members;
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}
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