#!/usr/bin/env perl
#
# Copyright 2023, Mischa Peters <mischa.p AT talon-sec DOT com>, Talon Cyber Security.
# claimfdomain.pl
# Version 1.0 - 20230610
#
# Permission to use, copy, modify, and distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
#
# Claim Domain force-validate for Talon via Frontegg
#
use 5.026;
use strict;
use warnings;
use autodie;
use Config::Tiny;
use File::Basename;
use File::stat;
use POSIX qw(strftime);
use HTTP::Tiny;
use JSON::PP;

my $USAGE = <<"END_USAGE";
Usage: $0 <domain>
END_USAGE

my $domain = $ARGV[0];
$domain || die($USAGE);

my @CONFIG_FILES = grep { -e } ('./talon.cnf', './.talon.cnf', '/etc/talon.cnf', "$ENV{'HOME'}/.talon.cnf", "$ENV{'HOME'}/talon.cnf");
my $config = Config::Tiny->read($CONFIG_FILES[-1], 'utf8') || die("Uable to find talon.cnf");
my $FRONTEGG_URL = $config->{talon}{FRONTEGG_URL};
my $FRONTEGG_CLIENTID = $config->{talon}{FRONTEGG_CLIENTID};
my $FRONTEGG_KEY = $config->{talon}{FRONTEGG_KEY};
my $TTL = "82800";
my $STORE = dirname($0) . "/token.txt";

my %HEADERS = ("Accept" => "application/json", "Content-Type" => "application/json", "Cache-Control" => "no-cache");
my $request = HTTP::Tiny->new('default_headers' => \%HEADERS);
my $json = JSON::PP->new;
my $url;
my $body;
my $response;
my $token;

#
# POST authenticate and get token
#

if (-e $STORE) {
	my $mtime = stat($STORE)->mtime();
	if ((time() - $mtime) < $TTL) {
		print "Using stored token\n";
		open my $fh_token, '<', $STORE;
		$token = <$fh_token>;
		close $fh_token;
	} else {
		unlink($STORE);
	}
}
if (! -e $STORE) {
	print "Fetching new token\n";
	$url = "${FRONTEGG_URL}/auth/vendor/";
	print "$url\n";
	$body = JSON::PP->new->space_after->encode({clientId => $FRONTEGG_CLIENTID, secret => $FRONTEGG_KEY});
	$response = $request->post($url, {'content' => $body});
	$token = $json->decode($response->{'content'})->{'token'};

	print "$response->{'status'} $response->{'reason'}\n";
	print "Received TOKEN: ${token}\n";

	open my $fh_token, '>', $STORE;
	print $fh_token "$token";
	close $fh_token;
}

#
# PUT force-validate
#
$url = "${FRONTEGG_URL}/team/resources/sso/v1/configurations/domains/${domain}/force-validate";
print "$url\n";
$body = JSON::PP->new->space_after->encode({validated => \1});
$response = $request->put($url, {'headers' => {"Authorization" => "Bearer $token"}, 'content' => $body});
print "$response->{'status'} $response->{'reason'}\n";