forked from mirrors/nixpkgs
221 lines
6.1 KiB
Nix
221 lines
6.1 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.services.magnetico;
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dataDir = "/var/lib/magnetico";
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credFile = with cfg.web;
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if credentialsFile != null
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then credentialsFile
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else pkgs.writeText "magnetico-credentials"
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(concatStrings (mapAttrsToList
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(user: hash: "${user}:${hash}\n")
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cfg.web.credentials));
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# default options in magneticod/main.go
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dbURI = concatStrings
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[ "sqlite3://${dataDir}/database.sqlite3"
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"?_journal_mode=WAL"
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"&_busy_timeout=3000"
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"&_foreign_keys=true"
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];
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crawlerArgs = with cfg.crawler; escapeShellArgs
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([ "--database=${dbURI}"
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"--indexer-addr=${address}:${toString port}"
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"--indexer-max-neighbors=${toString maxNeighbors}"
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"--leech-max-n=${toString maxLeeches}"
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] ++ extraOptions);
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webArgs = with cfg.web; escapeShellArgs
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([ "--database=${dbURI}"
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(if (cfg.web.credentialsFile != null || cfg.web.credentials != { })
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then "--credentials=${toString credFile}"
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else "--no-auth")
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"--addr=${address}:${toString port}"
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] ++ extraOptions);
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in {
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###### interface
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options.services.magnetico = {
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enable = mkEnableOption "Magnetico, Bittorrent DHT crawler";
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crawler.address = mkOption {
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type = types.str;
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default = "0.0.0.0";
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example = "1.2.3.4";
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description = ''
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Address to be used for indexing DHT nodes.
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'';
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};
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crawler.port = mkOption {
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type = types.port;
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default = 0;
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description = ''
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Port to be used for indexing DHT nodes.
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This port should be added to
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<option>networking.firewall.allowedTCPPorts</option>.
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'';
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};
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crawler.maxNeighbors = mkOption {
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type = types.ints.positive;
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default = 1000;
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description = ''
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Maximum number of simultaneous neighbors of an indexer.
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Be careful changing this number: high values can very
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easily cause your network to be congested or even crash
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your router.
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'';
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};
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crawler.maxLeeches = mkOption {
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type = types.ints.positive;
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default = 200;
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description = ''
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Maximum number of simultaneous leeches.
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'';
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};
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crawler.extraOptions = mkOption {
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type = types.listOf types.str;
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default = [];
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description = ''
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Extra command line arguments to pass to magneticod.
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'';
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};
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web.address = mkOption {
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type = types.str;
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default = "localhost";
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example = "1.2.3.4";
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description = ''
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Address the web interface will listen to.
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'';
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};
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web.port = mkOption {
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type = types.port;
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default = 8080;
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description = ''
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Port the web interface will listen to.
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'';
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};
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web.credentials = mkOption {
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type = types.attrsOf types.str;
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default = {};
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example = lib.literalExpression ''
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{
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myuser = "$2y$12$YE01LZ8jrbQbx6c0s2hdZO71dSjn2p/O9XsYJpz.5968yCysUgiaG";
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}
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'';
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description = ''
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The credentials to access the web interface, in case authentication is
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enabled, in the format <literal>username:hash</literal>. If unset no
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authentication will be required.
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Usernames must start with a lowercase ([a-z]) ASCII character, might
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contain non-consecutive underscores except at the end, and consists of
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small-case a-z characters and digits 0-9. The
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<command>htpasswd</command> tool from the <package>apacheHttpd
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</package> package may be used to generate the hash: <command>htpasswd
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-bnBC 12 username password</command>
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<warning>
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<para>
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The hashes will be stored world-readable in the nix store.
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Consider using the <literal>credentialsFile</literal> option if you
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don't want this.
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</para>
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</warning>
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'';
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};
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web.credentialsFile = mkOption {
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type = types.nullOr types.path;
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default = null;
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description = ''
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The path to the file holding the credentials to access the web
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interface. If unset no authentication will be required.
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The file must constain user names and password hashes in the format
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<literal>username:hash </literal>, one for each line. Usernames must
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start with a lowecase ([a-z]) ASCII character, might contain
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non-consecutive underscores except at the end, and consists of
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small-case a-z characters and digits 0-9.
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The <command>htpasswd</command> tool from the <package>apacheHttpd
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</package> package may be used to generate the hash:
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<command>htpasswd -bnBC 12 username password</command>
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'';
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};
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web.extraOptions = mkOption {
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type = types.listOf types.str;
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default = [];
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description = ''
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Extra command line arguments to pass to magneticow.
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'';
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};
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};
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###### implementation
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config = mkIf cfg.enable {
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users.users.magnetico = {
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description = "Magnetico daemons user";
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group = "magnetico";
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isSystemUser = true;
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};
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users.groups.magnetico = {};
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systemd.services.magneticod = {
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description = "Magnetico DHT crawler";
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wantedBy = [ "multi-user.target" ];
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after = [ "network.target" ];
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serviceConfig = {
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User = "magnetico";
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Restart = "on-failure";
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ExecStart = "${pkgs.magnetico}/bin/magneticod ${crawlerArgs}";
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};
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};
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systemd.services.magneticow = {
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description = "Magnetico web interface";
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wantedBy = [ "multi-user.target" ];
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after = [ "network.target" "magneticod.service"];
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serviceConfig = {
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User = "magnetico";
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StateDirectory = "magnetico";
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Restart = "on-failure";
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ExecStart = "${pkgs.magnetico}/bin/magneticow ${webArgs}";
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};
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};
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assertions =
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[
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{
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assertion = cfg.web.credentialsFile == null || cfg.web.credentials == { };
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message = ''
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The options services.magnetico.web.credentialsFile and
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services.magnetico.web.credentials are mutually exclusives.
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'';
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}
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];
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};
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meta.maintainers = with lib.maintainers; [ rnhmjoj ];
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}
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