+ die "cannot find user $login" unless %::myconfig = $::auth->read_user(login => $login);
+ die "cannot find locale for user $login" unless $::locale = Locale->new($::myconfig{countrycode} || $::lx_office_conf{system}->{language});
+}
+
+sub cleanup_kivitendo {
+ eval { SL::DB->client->dbh->rollback; };
+
+ $::auth->save_session;
+ $::auth->expire_sessions;
+ $::auth->reset;
+
+ $::form = undef;
+ $::myconfig = ();
+ $::request = undef;
+ $::auth = undef;
+}
+
+sub clean_before_sleeping {
+ SL::DBConnect::Cache->disconnect_all_and_clear;
+ SL::DB->db_cache->clear;
+
+ File::Temp::cleanup();
+}
+
+sub drop_privileges {
+ my $user = $lx_office_conf{task_server}->{run_as};
+ return unless $user;
+
+ my ($uid, $gid);
+ while (my @details = getpwent()) {
+ next unless $details[0] eq $user;
+ ($uid, $gid) = @details[2, 3];
+ last;
+ }
+ endpwent();
+
+ if (!$uid) {
+ print "Error: Cannot drop privileges to ${user}: user does not exist\n";
+ exit 1;
+ }
+
+ if (!setgid($gid)) {
+ print "Error: Cannot drop group privileges to ${user} (group ID $gid): $!\n";
+ exit 1;
+ }
+
+ if (!setuid($uid)) {
+ print "Error: Cannot drop user privileges to ${user} (user ID $uid): $!\n";
+ exit 1;
+ }
+}
+
+sub notify_on_failure {
+ my (%params) = @_;
+
+ my $cfg = $lx_office_conf{'task_server/notify_on_failure'} || {};
+
+ return if any { !$cfg->{$_} } qw(send_email_to email_from email_subject email_template);
+
+ chdir $exe_dir;
+
+ return debug("Template " . $cfg->{email_template} . " missing!") unless -f $cfg->{email_template};
+
+ my $email_to = $cfg->{send_email_to};
+ if ($email_to !~ m{\@}) {
+ my %user = $::auth->read_user(login => $email_to);
+ return debug("cannot find user for notification $email_to") unless %user;
+
+ $email_to = $user{email};
+ return debug("user for notification " . $user{login} . " doesn't have a valid email address") unless $email_to =~ m{\@};
+ }
+
+ my $template = Template->new({
+ INTERPOLATE => 0,
+ EVAL_PERL => 0,
+ ABSOLUTE => 1,
+ CACHE_SIZE => 0,
+ ENCODING => 'utf8',
+ });
+
+ return debug("Could not create Template instance") unless $template;
+
+ $params{client} = $::auth->client;
+
+ eval {
+ my $body;
+ $template->process($cfg->{email_template}, \%params, \$body);
+
+ Mailer->new(
+ from => $cfg->{email_from},
+ to => $email_to,
+ subject => $cfg->{email_subject},
+ content_type => 'text/plain',
+ charset => 'utf-8',
+ message => $body,
+ )->send;
+
+ 1;
+ } or do {
+ debug("Sending a failure notification failed with an exception: $@");
+ };