187 lines
5.9 KiB
Nix
187 lines
5.9 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.services.firefox.syncserver;
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defaultDbLocation = "/var/db/firefox-sync-server/firefox-sync-server.db";
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defaultSqlUri = "sqlite:///${defaultDbLocation}";
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syncServerIni = pkgs.writeText "syncserver.ini" ''
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[DEFAULT]
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overrides = ${cfg.privateConfig}
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[server:main]
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use = egg:Paste#http
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host = ${cfg.listen.address}
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port = ${toString cfg.listen.port}
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[app:main]
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use = egg:syncserver
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[syncserver]
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public_url = ${cfg.publicUrl}
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${optionalString (cfg.sqlUri != "") "sqluri = ${cfg.sqlUri}"}
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allow_new_users = ${boolToString cfg.allowNewUsers}
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[browserid]
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backend = tokenserver.verifiers.LocalVerifier
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audiences = ${removeSuffix "/" cfg.publicUrl}
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'';
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in
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{
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options = {
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services.firefox.syncserver = {
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enable = mkOption {
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type = types.bool;
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default = false;
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description = ''
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Whether to enable a Firefox Sync Server, this give the opportunity to
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Firefox users to store all synchronized data on their own server. To use this
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server, Firefox users should visit the <option>about:config</option>, and
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replicate the following change
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<screen>
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services.sync.tokenServerURI: http://localhost:5000/token/1.0/sync/1.5
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</screen>
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where <option>http://localhost:5000/</option> corresponds to the
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public url of the server.
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'';
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};
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listen.address = mkOption {
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type = types.str;
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default = "127.0.0.1";
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example = "0.0.0.0";
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description = ''
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Address on which the sync server listen to.
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'';
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};
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listen.port = mkOption {
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type = types.int;
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default = 5000;
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description = ''
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Port on which the sync server listen to.
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'';
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};
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user = mkOption {
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type = types.str;
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default = "syncserver";
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description = "User account under which syncserver runs.";
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};
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group = mkOption {
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type = types.str;
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default = "syncserver";
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description = "Group account under which syncserver runs.";
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};
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publicUrl = mkOption {
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type = types.str;
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default = "http://localhost:5000/";
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example = "http://sync.example.com/";
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description = ''
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Public URL with which firefox users can use to access the sync server.
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'';
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};
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allowNewUsers = mkOption {
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type = types.bool;
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default = true;
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description = ''
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Whether to allow new-user signups on the server. Only request by
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existing accounts will be honored.
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'';
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};
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sqlUri = mkOption {
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type = types.str;
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default = defaultSqlUri;
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example = "postgresql://scott:tiger@localhost/test";
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description = ''
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The location of the database. This URL is composed of
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<option>dialect[+driver]://user:password@host/dbname[?key=value..]</option>,
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where <option>dialect</option> is a database name such as
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<option>mysql</option>, <option>oracle</option>, <option>postgresql</option>,
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etc., and <option>driver</option> the name of a DBAPI, such as
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<option>psycopg2</option>, <option>pyodbc</option>, <option>cx_oracle</option>,
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etc. The <link
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xlink:href="http://docs.sqlalchemy.org/en/rel_0_9/core/engines.html#database-urls">
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SQLAlchemy documentation</link> provides more examples and describe the syntax of
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the expected URL.
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'';
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};
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privateConfig = mkOption {
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type = types.str;
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default = "/etc/firefox/syncserver-secret.ini";
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description = ''
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The private config file is used to extend the generated config with confidential
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information, such as the <option>syncserver.sqlUri</option> setting if it contains a
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password, and the <option>syncserver.secret</option> setting is used by the server to
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generate cryptographically-signed authentication tokens.
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If this file does not exists, then it is created with a generated
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<option>syncserver.secret</option> settings.
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'';
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};
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};
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};
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config = mkIf cfg.enable {
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systemd.services.syncserver = let
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syncServerEnv = pkgs.python.withPackages(ps: with ps; [ syncserver pasteScript ]);
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in {
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after = [ "network.target" ];
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description = "Firefox Sync Server";
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wantedBy = [ "multi-user.target" ];
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path = [ pkgs.coreutils syncServerEnv ];
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serviceConfig = {
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User = cfg.user;
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Group = cfg.group;
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PermissionsStartOnly = true;
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};
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preStart = ''
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if ! test -e ${cfg.privateConfig}; then
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mkdir -m 700 -p $(dirname ${cfg.privateConfig})
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echo > ${cfg.privateConfig} '[syncserver]'
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echo >> ${cfg.privateConfig} "secret = $(head -c 20 /dev/urandom | sha1sum | tr -d ' -')"
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fi
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chown ${cfg.user}:${cfg.group} ${cfg.privateConfig}
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'' + optionalString (cfg.sqlUri == defaultSqlUri) ''
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if ! test -e $(dirname ${defaultDbLocation}); then
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mkdir -m 700 -p $(dirname ${defaultDbLocation})
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chown ${cfg.user}:${cfg.group} $(dirname ${defaultDbLocation})
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fi
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# Move previous database file if it exists
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oldDb="/var/db/firefox-sync-server.db"
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if test -f $oldDb; then
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mv $oldDb ${defaultDbLocation}
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chown ${cfg.user}:${cfg.group} ${defaultDbLocation}
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fi
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'';
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serviceConfig.ExecStart = "${syncServerEnv}/bin/paster serve ${syncServerIni}";
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};
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users.extraUsers = optionalAttrs (cfg.user == "syncserver")
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(singleton {
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name = "syncserver";
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group = cfg.group;
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isSystemUser = true;
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});
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users.extraGroups = optionalAttrs (cfg.group == "syncserver")
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(singleton {
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name = "syncserver";
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});
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};
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}
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