75 lines
2.2 KiB
Nix
75 lines
2.2 KiB
Nix
{
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config,
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pkgs,
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lib,
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...
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}: let
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mail_config = config.mailserver;
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vmail_config = mail_config.vmail_config;
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vmail_user = vmail_config.user;
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vmail_group = vmail_config.group;
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sieve_directory = mail_config.sieve_directory;
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virtualMailUsersActivationScript = pkgs.writeScript "activate-virtual-mail-users" ''
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#!${pkgs.stdenv.shell}
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set -euo pipefail
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# Create directory to store user sieve scripts if it doesn't exist
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if (! test -d "${sieve_directory}"); then
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mkdir "${sieve_directory}"
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chown "${vmail_user}:${vmail_group}" "${sieve_directory}"
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chmod 770 "${sieve_directory}"
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fi
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# Copy user's sieve script to the correct location (if it exists). If it
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# is null, remove the file.
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${lib.concatMapStringsSep "\n" ({
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name,
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sieveScript,
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}:
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if lib.isString sieveScript
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then ''
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if (! test -d "${sieve_directory}/${name}"); then
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mkdir -p "${sieve_directory}/${name}"
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chown "${vmail_user}:${vmail_group}" "${sieve_directory}/${name}"
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chmod 770 "${sieve_directory}/${name}"
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fi
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cat << 'EOF' > "${sieve_directory}/${name}/default.sieve"
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${sieveScript}
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EOF
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chown "${vmail_user}:${vmail_group}" "${sieve_directory}/${name}/default.sieve"
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''
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else ''
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if (test -f "${sieve_directory}/${name}/default.sieve"); then
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rm "${sieve_directory}/${name}/default.sieve"
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fi
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if (test -f "${sieve_directory}/${name}.svbin"); then
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rm "${sieve_directory}/${name}/default.svbin"
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fi
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'') (map (user: {inherit (user) name sieveScript;})
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(lib.attrValues mail_config.accounts))}
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'';
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in {
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config = lib.mkIf (mail_config.enable) {
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users.users."${vmail_user}" = {
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isSystemUser = true;
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home = vmail_config.directory;
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createHome = true;
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uid = vmail_config.user_id;
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group = "${vmail_group}";
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};
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users.groups."${vmail_group}" = {gid = vmail_config.group_id;};
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systemd.services.activate-virtual-mail-users = {
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wantedBy = ["multi-user.target"];
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before = ["dovecot2.service"];
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serviceConfig = {ExecStart = virtualMailUsersActivationScript;};
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enable = true;
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};
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};
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}
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