#!/usr/bin/env perl 

IO::Socket::SSL::set_ctx_defaults( SSL_verify_mode => SSL_VERIFY_NONE );

package INF::SuperMicro;

use HTTP::Status;
use HTTP::Cookies;

use IO::Socket::SSL qw();
use HTML::TreeBuilder;
use HTTP::Request::Common;
use LWP::UserAgent;
use URI::Escape;
use File::Temp qw/ tempfile tempdir /;
use XML::Simple;
use Data::Dumper;
use JSON::PP;

sub login($) {
    my $self = shift;

    my $post = POST( $self->{bmc_url} . '/cgi/login.cgi' );
    my $form_content =
      'name=' . $self->{user} . '&' . 'pwd=' . $self->{password};

    $post->header( 'Content-Type'   => 'application/x-www-form-urlencoded' );
    $post->header( 'Content-Length' => length($form_content) );
    $post->content($form_content);

    my $res = $self->{ua}->request($post);

    unless ( $res->is_success ) {
        print STDERR "Login failed - did not get 200\n";

        print Dumper($res);

        $self->{logged_in} = undef;
        return -1;
    }

    $self->{logged_in} = 1;

    #my $json = decode_json( $res->content );

    #$self->{skey} = $json->{session_key};

    #print "Session key ".$self->{skey}."\n";

    return 0;
}

sub view($) {
    my $self = shift;

    $self->login() unless defined $self->{logged_in};

    my $get = GET( $self->{bmc_url}
          . '/cgi/url_redirect.cgi?url_name=ikvm&url_type=jwsk' );

    my $res = $self->{ua}->request($get);

    unless ( $res->is_success ) {
        print STDERR "JWSK frequest failed - did not get 200\n";
        return -1;
    }

    my $xml = new XML::Simple;

    my $c = $res->content;

    $c =~ s/^[\s\n\r]+//s;

    my $data = $xml->XMLin($c);

    return undef unless defined $data->{'application-desc'};

    my $args = $data->{'application-desc'}->{'argument'};

    return undef unless defined $args;

    mkdir $ENV{HOME} . "/.supermicro_kvm";
    chdir $ENV{HOME} . "/.supermicro_kvm";

    my $prefix = "/usr/local/share/inf/supermicro/";

    return undef unless $c =~ /iKVM__V([A-Za-z0-9\.]+).jar/;
    my $v = $1;

    if ( -d $prefix . $v ) {
        printf "Known version\n";
        $prefix .= $v . '/';
    }
    elsif ( scalar(@$args) == 8 ) {
        printf "Unknow version $v, 8 args using 1.69.21\n";
        $prefix .= '1.69.21.0x0/';
    }
    else {
        printf "Unknow version $v, 10 args using 1.69.25\n";
        $prefix .= '1.69.25.0x0/';
    }

    if ( defined $self->{proxy_host} ) {
        my $tmp = File::Temp->new( UNLINK => 0, SUFFIX => '.cnf' );

        select( ( select($tmp), $| = 1 )[0] );

        print $tmp "server = 127.0.0.1\n";
        print $tmp "server_port = " . $self->{proxy_port} . "\n";
        print $tmp "local = 127.0.0.0/255.0.0.0\n";

        $ENV{'LD_PRELOAD'}       = 'libtsocks.so';
        $ENV{'TSOCKS_CONF_FILE'} = $tmp->filename;

        print "Filename is $tmp->filename\n";
    }

    my $jars = [ $prefix . "iKVM__V" . $v . ".jar" ];

    my $cp = join( ':', @$jars );

    push @$java_args, "-cp";
    push @$java_args, $cp;
    push @$java_args, "-Djava.library.path=" . $prefix;
    push @$java_args, "tw.com.aten.ikvm.KVMMain";

    system( "echo", "java", @$java_args, @$args );
    system( "java", @$java_args, @$args );
}

sub get_host_power($) {
    my ($self) = @_;

    $self->login() unless defined $self->{logged_in};

    my $post         = POST( $self->{bmc_url} . '/cgi/ipmi.cgi' );
    my $form_content = 'op=POWER_INFO.XML&r=(0%2C0)';

    $post->header( 'Content-Type'   => 'application/x-www-form-urlencoded' );
    $post->header( 'Content-Length' => length($form_content) );
    $post->content($form_content);

    my $res = $self->{ua}->request($post);

    unless ( $res->is_success ) {
        print STDERR " get host power - did not get 200\n";
        return undef;
    }

    my $xml = new XML::Simple;

    my $c = $res->content;

    $c =~ s/^[\s\n\r]+//s;

    my $data = $xml->XMLin($c);

    return undef unless defined $data->{'POWER_INFO'};
    return undef unless defined $data->{'POWER_INFO'}->{'POWER'};
    return undef unless defined $data->{'POWER_INFO'}->{'POWER'}->{'STATUS'};

    return $data->{'POWER_INFO'}->{'POWER'}->{'STATUS'};
}

sub set_host_power($$) {
    my ( $self, $what ) = @_;

    $self->login() unless defined $self->{logged_in};

    my $post         = POST( $self->{bmc_url} . '/cgi/ipmi.cgi' );
    my $form_content = 'op=POWER_INFO.XML&r=(1%2C' . $what . ')';

    $post->header( 'Content-Type'   => 'application/x-www-form-urlencoded' );
    $post->header( 'Content-Length' => length($form_content) );
    $post->content($form_content);

    my $res = $self->{ua}->request($post);

    unless ( $res->is_success ) {
        print STDERR " get host power - did not get 200\n";
        return 0;
    }

    my $xml = new XML::Simple;

    my $c = $res->content;

    $c =~ s/^[\s\n\r]+//s;

    my $data = $xml->XMLin($c);

    return 0 unless defined $data->{'POWER_INFO'};
    return 0 unless defined $data->{'POWER_INFO'}->{'POWER'};
    return 0 unless defined $data->{'POWER_INFO'}->{'POWER'}->{'STATUS'};

    return 1;
}

sub reset($) {
    my $self = shift;
    return $self->set_host_power('0');
}

sub port_off($) {
    my $self = shift;
    return $self->set_host_power('1');
}

sub orderly_shutdown($) {
    my $self = shift;
    return $self->set_host_power('2');
}

sub port_on($) {
    my $self = shift;
    return $self->set_host_power('3');
}

sub port_cycle($) {
    my $self = shift;
    return $self->set_host_power('5');
}

sub port_state_get($$) {
    my $self = shift;
    return $self->get_host_power();
}

sub port_state_get_no_cache($$) {
    my $self = shift;
    return $self->get_host_power();
}

sub port_name_get($$) {
    my $self = shift;
    return $self->{name};
}

sub name_get($) {
    my $self = shift;
    return $self->{name};
}

sub pdu_load_get($) {
    return "N/A";
}

sub psu_status($) {
    return "N/A";
}

sub port_count($) {
    return 1;
}

sub port_id_get_by_number($$) {
    return "K0";
}

sub logout($) {
    my $self = shift;
}

sub new ($;$) {
    my ( $class, $parm ) = @_;
    my $self;

    $self->{ua}         = my $ua = LWP::UserAgent->new;
    $self->{cookie_jar} = HTTP::Cookies->new();
    $self->{ua}->cookie_jar( $self->{cookie_jar} );

    $self->{host} = $parm->{host} || "127.0.0.1";

    $self->{user}     = $parm->{user}     || "ADMIN";
    $self->{password} = $parm->{password} || "ADMIN";

    $self->{name} = $parm->{name} || $self->{host};

    $self->{bmc_url} = $parm->{bmc_url}
      || 'https://' . $self->{host};

    $self->{ua}->ssl_opts(
        SSL_verify_mode => IO::Socket::SSL::SSL_VERIFY_NONE,
        verify_hostname => 0,
    );

    if ( defined $parm->{proxy_host} ) {
        $self->{ua}->proxy( [qw(http https)] => "socks://"
              . $parm->{proxy_host} . ":"
              . $parm->{proxy_port} );
        $self->{proxy_host} = $parm->{proxy_host};
        $self->{proxy_port} = $parm->{proxy_port};
    }

    $self->{logged_in} = undef;

    return bless $self, $class;

}

1;