projekt kivitendo

use POSIX qw(strftime);

use IO::File;

use Fcntl;

use English qw(-no_match_vars);

use Sys::Hostname;

use SL::Mailer;

  $form->{ALLOW_DBBACKUP} = "$pg_dump_exe" ne "DISABLED";

sub backup_dataset {

  $form->{title} =

      "Lx-Office ERP "

    . $locale->text('Database Administration') . " / "

    . $locale->text('Backup Dataset');

  if ("$pg_dump_exe" eq "DISABLED") {

    $form->error($locale->text('Database backups and restorations are disabled in lx-erp.conf.'));

  }

  my @dbsources         = sort User->dbsources($form);

  $form->{DATABASES}    = [ map { { "dbname" => $_ } } @dbsources ];

  $form->{NO_DATABASES} = !scalar @dbsources;

  my $username  = getpwuid $UID || "unknown-user";

  my $hostname  = hostname() || "unknown-host";

  $form->{from} = "Lx-Office Admin <${username}\@${hostname}>";

  $form->header();

  print $form->parse_html_template("admin/backup_dataset");

}

sub backup_dataset_start {

  $form->{title} =

      "Lx-Office ERP "

    . $locale->text('Database Administration') . " / "

    . $locale->text('Backup Dataset');

  $pg_dump_exe ||= "pg_dump";

  if ("$pg_dump_exe" eq "DISABLED") {

    $form->error($locale->text('Database backups and restorations are disabled in lx-erp.conf.'));

  }

  $form->isblank("dbname", $locale->text('The dataset name is missing.'));

  $form->isblank("to", $locale->text('The email address is missing.')) if $form->{destination} eq "email";

  my $tmpdir = "/tmp/lx_office_backup_" . Common->unique_id();

  mkdir $tmpdir, 0700 || $form->error($locale->text('A temporary directory could not be created:') . " $!");

  my $pgpass = IO::File->new("${tmpdir}/.pgpass", O_WRONLY | O_CREAT, 0600);

  if (!$pgpass) {

    unlink $tmpdir;

    $form->error($locale->text('A temporary file could not be created:') . " $!");

  }

  print $pgpass "$form->{dbhost}:$form->{dbport}:$form->{dbname}:$form->{dbuser}:$form->{dbpasswd}\n";

  $pgpass->close();

  $ENV{HOME} = $tmpdir;

  my @args = ("-c", "-o", "-h", $form->{dbhost}, "-U", $form->{dbuser});

  push @args, ("-p", $form->{dbport}) if ($form->{dbport});

  push @args, $form->{dbname};

  my $cmd  = "${pg_dump_exe} " . join(" ", map { s/\\/\\\\/g; s/\"/\\\"/g; $_ } @args);

  my $name = "dataset_backup_$form->{dbname}_" . strftime("%Y%m%d", localtime()) . ".sql.gz";

  if ($form->{destination} ne "email") {

    my $in = IO::File->new("$cmd |");

    if (!$in) {

      unlink "${tmpdir}/.pgpass";

      rmdir $tmpdir;

      $form->error($locale->text('The pg_dump process could not be started.'));

    }

    print "content-type: application/octet-stream\n";

    print "content-disposition: attachment; filename=\"${name}\"\n\n";

    while (my $line = <$in>) {

      print $line;

    }

    $in->close();

    unlink "${tmpdir}/.pgpass";

    rmdir $tmpdir;

  } else {

    my $tmp = $tmpdir . "/dump_" . Common::unique_id();

    if (system("$cmd > $tmp") != 0) {

      unlink "${tmpdir}/.pgpass", $tmp;

      rmdir $tmpdir;

      $form->error($locale->text('The pg_dump process could not be started.'));

    }

    my $mail = new Mailer;

    map { $mail->{$_} = $form->{$_} } qw(from to cc subject message);

    $mail->{charset}     = $dbcharset ? $dbcharset : Common::DEFAULT_CHARSET;

    $mail->{attachments} = [ { "filename" => $tmp, "name" => $name } ];

    $mail->send();

    unlink "${tmpdir}/.pgpass", $tmp;

    rmdir $tmpdir;

    $form->{title} =

        "Lx-Office ERP "

      . $locale->text('Database Administration') . " / "

      . $locale->text('Backup Dataset');

    $form->header();

    print $form->parse_html_template("admin/backup_dataset_email_done");

  }

}

sub restore_dataset {

  $form->{title} =

      "Lx-Office ERP "

    . $locale->text('Database Administration') . " / "

    . $locale->text('Restore Dataset');

  if ("$pg_dump_exe" eq "DISABLED") {

    $form->error($locale->text('Database backups and restorations are disabled in lx-erp.conf.'));

  }

}