#!/usr/bin/perl -w
#
#  rhrdlibs
#
#  Copyright (C) 2015-2016 Christian Pointner <equinox@helsinki.at>
#
#  This file is part of rhrdlibs.
#
#  rhrdlibs is free software: you can redistribute it and/or modify
#  it under the terms of the GNU Affero General Public License as published by
#  the Free Software Foundation, either version 3 of the License, or
#  any later version.
#
#  rhrdlibs is distributed in the hope that it will be useful,
#  but WITHOUT ANY WARRANTY; without even the implied warranty of
#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#  GNU Affero General Public License for more details.
#
#  You should have received a copy of the GNU Affero General Public License
#  along with rhrdlibs. If not, see <http://www.gnu.org/licenses/>.
#

use strict;
use RHRD::rddb;

my $num_args = $#ARGV + 1;

if($num_args > 1) {
  print STDERR "Usage: get-rd-token <username>\n";
  exit 1;
}

my $requsername=$ARGV[0];
my $pwusername = getpwuid($>);

# this is ridiculous but makes it a little harder to find user passwords...
if($num_args == 1) {
  unless($> == 0 || $pwusername eq $requsername) {
    print STDERR "this must be run as root or as the user whos token is requested!\n";
    exit 1;
  }
} else {
  $requsername = $pwusername;
}

my $token='';
my $ret = 0;

my ($ctx, undef, $errorstring) = RHRD::rddb::init();
if(defined $ctx) {
  ($token, undef, $errorstring) = RHRD::rddb::get_token($ctx, $requsername);
  unless($token) {
    print STDERR "$errorstring\n";
    $ret = 1;
  }
  RHRD::rddb::destroy($ctx);
} else {
  print STDERR "$errorstring\n";
  $ret = 1;
}

print "$token\n" if $token;

exit $ret;