=head1 tomcat-lib.pl

Functions for managing Tomcat server configuration files.

  foreign_require("tomcat", "tomcat-lib.pl");
  @sites = tomcat::list_tomcat_websites()

=cut

BEGIN { push(@INC, ".."); };
use WebminCore;
use File::Copy;
use File::Basename;
init_config();

sub get_jri_publisher_config
{
my $lref = &read_file_lines($config{'foobar_conf'});
my @rv;
my $lnum = 0;
foreach my $line (@$lref) {
    my ($n, $v) = split(/\s+/, $line, 2);
    if ($n) {
      push(@rv, { 'name' => $n, 'value' => $v, 'line' => $lnum });
      }
    $lnum++;
    }
return @rv;
}

# Returns a hash containing the version type, number and full version
sub get_catalina_version
{
	local %version;
	local $catalina_home = get_catalina_home();
	local $out = &backquote_command($catalina_home."/bin/catalina.sh version 2>&1 </dev/null");

	if ($out =~ /(Server\s+version:\s+([a-z\s]+)\/([0-9\.]+))/i) {
		$version{'type'} = $2;
		$version{'number'} = $3;
		$version{'full'} = $1;
	}else {
		$version{'type'} = 'unknown';
		$version{'number'} = 0.0;
		$version{'full'} = 'unknown/0.0';
	}

	if ($out =~ /JVM Version:\s+(.*)/i ){
		$version{'jvm'} = $1;
	}else{
		$version{'jvm'} = 'unknown';
	}
	return %version;
}

sub tomcat_service_ctl{
	my $ctl = $_[0];
	my $status = '';
	local $out = &execute_command("systemctl $ctl tomcat", undef, \$cmd_out, \$cmd_err, 0, 0);

		if($cmd_err ne ""){
			$status = $cmd_err;
		}else{
			my @kw = ('Main PID', 'Active', 'Tasks','Memory');
			foreach $k (@kw) {
				if($cmd_out =~ /$k: (.*)/i){
					$status .= '<b>'.$k.'</b>: '.$1."</br>";
				}
			}			
		}
		
		$running = $out >> 8;
		if($ctl eq 'status'){
			# swap running values, to match init.d logic
			if($running == 0){
				$running = 1;
			}elsif($running > 0){
				$running = 0;
			}
		}
	return ($running, $status);
}

sub get_all_war_infos(){
	my $catalina_home = get_catalina_home();
    opendir(DIR, $catalina_home.'/webapps') or die $!;
    my @dirs
        = grep {
	    ! /^\./             				 # Doesn't begins with a period
          && -d "$catalina_home/webapps/$_"  # and is a directory
	} readdir(DIR);
    closedir(DIR);

    return sort @dirs;
}

sub file_basename
{
	my $rv = $_[0];
	$rv =~ s/^.*[\/\\]//;
	return $rv;
}

sub installed_tomcat_version(){
	my %os_env;
	read_env_file('/etc/environment', \%os_env);

	if($os_env{'CATALINA_HOME'}){
		$os_env{'CATALINA_HOME'} =~ /\/home\/tomcat\/apache-tomcat-([0-9\.]+)/;
		return $1;
	}else{
		return undef;
	}
}

sub get_catalina_home(){
	my $tomcat_ver = installed_tomcat_version();
	return "/home/tomcat/apache-tomcat-$tomcat_ver";
}

sub get_installed_libs{
   opendir(DIR, $module_config_directory) or die $!;
   my @lib_lists
       = grep {
			/^lib_[a-z0-9\.\-_\s]+\.list$/i     #
			&& -f "$module_config_directory/$_"   # and is a file
	} readdir(DIR);
    closedir(DIR);

    return sort @lib_lists;
}

sub process_file_source{
	my $file = '';

	if (($in{'source'} == 0) && ($in{'file'} ne "")) {	# from local file
		&error_setup(&text('source_err0', $in{'file'}));
		$file = $in{'file'};
		if (!(-r $file)){
			&inst_error($text{'source_err0'});
		}

	}elsif (($in{'source'} == 1) && ($in{'upload_filename'} ne "")) {	# from uploaded file
		&error_setup($text{'source_err1'});
		$need_unlink = 1;
		if ($no_upload) {
			&inst_error($text{'source_err1.2'});
		}
		$file = transname(file_basename($in{'upload_filename'}));
		open(MOD, ">$file");
		binmode(MOD);
		print MOD $in{'upload'};
		close(MOD);

	}elsif ($in{'source'} == 2 and $in{'url'} ne '') {	# from ftp or http url (possible third-party)
		$url = $in{'url'};
		&error_setup(&text('source_err2', $url));
		$file = &transname(file_basename($url));
		$need_unlink = 1;
		my $error;
		$progress_callback_url = $url;
		if ($url =~ /^(http|https):\/\/([^\/]+)(\/.*)$/) {
			$ssl = $1 eq 'https';
			$host = $2; $page = $3; $port = $ssl ? 443 : 80;
			if ($host =~ /^(.*):(\d+)$/) { $host = $1; $port = $2; }
			my %cookie_headers = ('Cookie'=>'oraclelicense=accept-securebackup-cookie');
			&http_download($host, $port, $page, $file, \$error,
				       \&progress_callback, $ssl, undef, undef, 0, 0, 1, \%cookie_headers);
		} elsif (
			$url =~ /^ftp:\/\/([^\/]+)(:21)?\/(.*)$/) {
			$host = $1; $ffile = $3;
			&ftp_download($host, $ffile, $file, \$error, \&progress_callback);
		}else {
			&inst_error($text{'source_err3'});
		}
		&inst_error($error) if ($error);
	}
	return $file;
}

sub download_file{
	my $url = $_[0];

	my ($proto, $x, $host, $path) = split('/', $url, 4);
	my @paths = split('/', $url);
	my $filename = $paths[-1];
	if($filename eq ''){
		$filename = 'index.html';
	}

	my $sslmode = $proto eq 'https:';
	my $port = 80;
	if($sslmode){
		$port = 443;
	}

	&error_setup(&text('install_err3', $url));
	my $tmpfile = &transname($filename);
	$progress_callback_url = $url;

	&http_download($host, $port, '/'.$path, $tmpfile, \$error, \&progress_callback, $sslmode);

	if($error){
		print &html_escape($error);
		return '';
	}
	return $tmpfile;
}

sub exec_cmd{
  my $cmd = $_[0];
	my $cmd_out='';

	my $rv = &execute_command($cmd, undef, \$cmd_out, \$cmd_out, 0, 0);
	if($cmd_out){
  	$cmd_out = &html_escape($cmd_out);
  	$cmd_out =~ s/[\r\n]/<\/br>/g;
  	print $cmd_out;
  }
  return $rv;
}

sub unzip_me{
	my $file  = $_[0];
	my @suffixlist = ('\.zip');
	($file_name,$path,$lib_suffix) = fileparse($file,@suffixlist);

	my $unzip_dir = &tempname();

	#if old temp extension dir exist, remove it
	#if( -d $unzip_dir and rmtree($unzip_dir) == 0){
	#	&error("Failed to remove temp extension dir");
	#	&ui_print_footer("", $text{'index_return'});
	#	exit;
	#}
	&make_dir($unzip_dir, 0754, 1);

	my $unzip_out;
	my $unzip_err;
	print "<hr>Unzipping to $unzip_dir ...<br>";
	exec_cmd("unzip -u \"$file\" -d \"$unzip_dir\"");

	return $unzip_dir;
}