Merge pull request #85687 from mayflower/privacyidea

Init privacyIDEA packages and modules

1 files changed, 279 insertions, 0 deletions

diff --git a/nixos/modules/services/security/privacyidea.nix b/nixos/modules/services/security/privacyidea.nix
new file mode 100644
index 000000000000..d6abfd0e2718
--- /dev/null
+++ b/nixos/modules/services/security/privacyidea.nix
@@ -0,0 +1,279 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let
+  cfg = config.services.privacyidea;
+
+  uwsgi = pkgs.uwsgi.override { plugins = [ "python3" ]; };
+  python = uwsgi.python3;
+  penv = python.withPackages (ps: [ ps.privacyidea ]);
+  logCfg = pkgs.writeText "privacyidea-log.cfg" ''
+    [formatters]
+    keys=detail
+
+    [handlers]
+    keys=stream
+
+    [formatter_detail]
+    class=privacyidea.lib.log.SecureFormatter
+    format=[%(asctime)s][%(process)d][%(thread)d][%(levelname)s][%(name)s:%(lineno)d] %(message)s
+
+    [handler_stream]
+    class=StreamHandler
+    level=NOTSET
+    formatter=detail
+    args=(sys.stdout,)
+
+    [loggers]
+    keys=root,privacyidea
+
+    [logger_privacyidea]
+    handlers=stream
+    qualname=privacyidea
+    level=INFO
+
+    [logger_root]
+    handlers=stream
+    level=ERROR
+  '';
+
+  piCfgFile = pkgs.writeText "privacyidea.cfg" ''
+    SUPERUSER_REALM = [ '${concatStringsSep "', '" cfg.superuserRealm}' ]
+    SQLALCHEMY_DATABASE_URI = 'postgresql:///privacyidea'
+    SECRET_KEY = '${cfg.secretKey}'
+    PI_PEPPER = '${cfg.pepper}'
+    PI_ENCFILE = '${cfg.encFile}'
+    PI_AUDIT_KEY_PRIVATE = '${cfg.auditKeyPrivate}'
+    PI_AUDIT_KEY_PUBLIC = '${cfg.auditKeyPublic}'
+    PI_LOGCONFIG = '${logCfg}'
+    ${cfg.extraConfig}
+  '';
+
+in
+
+{
+  options = {
+    services.privacyidea = {
+      enable = mkEnableOption "PrivacyIDEA";
+
+      stateDir = mkOption {
+        type = types.str;
+        default = "/var/lib/privacyidea";
+        description = ''
+          Directory where all PrivacyIDEA files will be placed by default.
+        '';
+      };
+
+      superuserRealm = mkOption {
+        type = types.listOf types.str;
+        default = [ "super" "administrators" ];
+        description = ''
+          The realm where users are allowed to login as administrators.
+        '';
+      };
+
+      secretKey = mkOption {
+        type = types.str;
+        example = "t0p s3cr3t";
+        description = ''
+          This is used to encrypt the auth_token.
+        '';
+      };
+
+      pepper = mkOption {
+        type = types.str;
+        example = "Never know...";
+        description = ''
+          This is used to encrypt the admin passwords.
+        '';
+      };
+
+      encFile = mkOption {
+        type = types.str;
+        default = "${cfg.stateDir}/enckey";
+        description = ''
+          This is used to encrypt the token data and token passwords
+        '';
+      };
+
+      auditKeyPrivate = mkOption {
+        type = types.str;
+        default = "${cfg.stateDir}/private.pem";
+        description = ''
+          Private Key for signing the audit log.
+        '';
+      };
+
+      auditKeyPublic = mkOption {
+        type = types.str;
+        default = "${cfg.stateDir}/public.pem";
+        description = ''
+          Public key for checking signatures of the audit log.
+        '';
+      };
+
+      adminPasswordFile = mkOption {
+        type = types.path;
+        description = "File containing password for the admin user";
+      };
+
+      adminEmail = mkOption {
+        type = types.str;
+        example = "admin@example.com";
+        description = "Mail address for the admin user";
+      };
+
+      extraConfig = mkOption {
+        type = types.lines;
+        default = "";
+        description = ''
+          Extra configuration options for pi.cfg.
+        '';
+      };
+
+      user = mkOption {
+        type = types.str;
+        default = "privacyidea";
+        description = "User account under which PrivacyIDEA runs.";
+      };
+
+      group = mkOption {
+        type = types.str;
+        default = "privacyidea";
+        description = "Group account under which PrivacyIDEA runs.";
+      };
+
+      ldap-proxy = {
+        enable = mkEnableOption "PrivacyIDEA LDAP Proxy";
+
+        configFile = mkOption {
+          type = types.path;
+          default = "";
+          description = ''
+            Path to PrivacyIDEA LDAP Proxy configuration (proxy.ini).
+          '';
+        };
+
+        user = mkOption {
+          type = types.str;
+          default = "pi-ldap-proxy";
+          description = "User account under which PrivacyIDEA LDAP proxy runs.";
+        };
+
+        group = mkOption {
+          type = types.str;
+          default = "pi-ldap-proxy";
+          description = "Group account under which PrivacyIDEA LDAP proxy runs.";
+        };
+      };
+    };
+  };
+
+  config = mkMerge [
+
+    (mkIf cfg.enable {
+
+      environment.systemPackages = [ python.pkgs.privacyidea ];
+
+      services.postgresql.enable = mkDefault true;
+
+      systemd.services.privacyidea = let
+        piuwsgi = pkgs.writeText "uwsgi.json" (builtins.toJSON {
+          uwsgi = {
+            plugins = [ "python3" ];
+            pythonpath = "${penv}/${uwsgi.python3.sitePackages}";
+            socket = "/run/privacyidea/socket";
+            uid = cfg.user;
+            gid = cfg.group;
+            chmod-socket = 770;
+            chown-socket = "${cfg.user}:nginx";
+            chdir = cfg.stateDir;
+            wsgi-file = "${penv}/etc/privacyidea/privacyideaapp.wsgi";
+            processes = 4;
+            harakiri = 60;
+            reload-mercy = 8;
+            stats = "/run/privacyidea/stats.socket";
+            max-requests = 2000;
+            limit-as = 1024;
+            reload-on-as = 512;
+            reload-on-rss = 256;
+            no-orphans = true;
+            vacuum = true;
+          };
+        });
+      in {
+        wantedBy = [ "multi-user.target" ];
+        after = [ "postgresql.service" ];
+        path = with pkgs; [ openssl ];
+        environment.PRIVACYIDEA_CONFIGFILE = piCfgFile;
+        preStart = let
+          pi-manage = "${pkgs.sudo}/bin/sudo -u privacyidea -HE ${penv}/bin/pi-manage";
+          pgsu = config.services.postgresql.superUser;
+          psql = config.services.postgresql.package;
+        in ''
+          mkdir -p ${cfg.stateDir} /run/privacyidea
+          chown ${cfg.user}:${cfg.group} -R ${cfg.stateDir} /run/privacyidea
+          if ! test -e "${cfg.stateDir}/db-created"; then
+            ${pkgs.sudo}/bin/sudo -u ${pgsu} ${psql}/bin/createuser --no-superuser --no-createdb --no-createrole ${cfg.user}
+            ${pkgs.sudo}/bin/sudo -u ${pgsu} ${psql}/bin/createdb --owner ${cfg.user} privacyidea
+            ${pi-manage} create_enckey
+            ${pi-manage} create_audit_keys
+            ${pi-manage} createdb
+            ${pi-manage} admin add admin -e ${cfg.adminEmail} -p "$(cat ${cfg.adminPasswordFile})"
+            ${pi-manage} db stamp head -d ${penv}/lib/privacyidea/migrations
+            touch "${cfg.stateDir}/db-created"
+            chmod g+r "${cfg.stateDir}/enckey" "${cfg.stateDir}/private.pem"
+          fi
+          ${pi-manage} db upgrade -d ${penv}/lib/privacyidea/migrations
+        '';
+        serviceConfig = {
+          Type = "notify";
+          ExecStart = "${uwsgi}/bin/uwsgi --json ${piuwsgi}";
+          ExecReload = "${pkgs.coreutils}/bin/kill -HUP $MAINPID";
+          ExecStop = "${pkgs.coreutils}/bin/kill -INT $MAINPID";
+          NotifyAccess = "main";
+          KillSignal = "SIGQUIT";
+          StandardError = "syslog";
+        };
+      };
+
+      users.users.privacyidea = mkIf (cfg.user == "privacyidea") {
+        group = cfg.group;
+      };
+
+      users.groups.privacyidea = mkIf (cfg.group == "privacyidea") {};
+    })
+
+    (mkIf cfg.ldap-proxy.enable {
+
+      systemd.services.privacyidea-ldap-proxy = let
+        ldap-proxy-env = pkgs.python2.withPackages (ps: [ ps.privacyidea-ldap-proxy ]);
+      in {
+        description = "privacyIDEA LDAP proxy";
+        wantedBy = [ "multi-user.target" ];
+        serviceConfig = {
+          User = cfg.ldap-proxy.user;
+          Group = cfg.ldap-proxy.group;
+          ExecStart = ''
+            ${ldap-proxy-env}/bin/twistd \
+              --nodaemon \
+              --pidfile= \
+              -u ${cfg.ldap-proxy.user} \
+              -g ${cfg.ldap-proxy.group} \
+              ldap-proxy \
+              -c ${cfg.ldap-proxy.configFile}
+          '';
+          Restart = "always";
+        };
+      };
+
+      users.users.pi-ldap-proxy = mkIf (cfg.ldap-proxy.user == "pi-ldap-proxy") {
+        group = cfg.ldap-proxy.group;
+      };
+
+      users.groups.pi-ldap-proxy = mkIf (cfg.ldap-proxy.group == "pi-ldap-proxy") {};
+    })
+  ];
+
+}