virtual_feature.pl

do 'virtualmin-nginx-lib.pl';

use File::Copy;
our ($conf_dir, $sites_avaliable_dir, $sites_enabled_dir, $log_dir);

#TODO if $conf_dir, $sites_avaliable_dir, $sites_enabled_dir come from user put trail slash
#TODO Config set by user not working, only default values

if($config{'conf_dir'} eq "")
{
  $conf_dir = '/etc/nginx/';
}

if($config{'sites_available_dir'} eq "")
{
  $sites_available_dir = 'sites-available/';
}

if($config{'sites_enabled_dir'} eq "")
{
  $sites_enabled_dir = 'sites-enabled/';
}



sub feature_always_links
{
  
}

sub feature_backup
{
  
}

sub feature_bandwidth
{
  
}

sub feature_check
{
  my $conf_file = $conf_dir . "nginx.conf";
  
  unless(-r $conf_file)
  {
    return "Nginx needs to be installed.";
  }
  
  unless (-d $conf_dir . $sites_available_dir)
  {
    mkdir($conf_dir . $sites_available_dir);
  }
  
  unless (-d $conf_dir . $sites_enabled_dir)
  {
    mkdir($conf_dir . $sites_enabled_dir);
  }

  
  open(CONF, $conf_file);
  
  local $/ = undef;
  my $filestring = <CONF>;
  close(CONF);
  
  #TODO: check if include directive not comment "# include /etc/nginx/sites-enabled/*;"
  my $pattern = "include " . $conf_dir . $sites_enabled_dir . "\\*;";
  
  unless ($filestring =~ /$pattern/) 
  {
    
    chop($filestring);
    
    $filestring .= "\tinclude " . $conf_dir . $sites_enabled_dir . "*;\n}"; 
    
    open(CONF,  ">", $conf_file);
    
    print(CONF $filestring);
    
    close(CONF);
    
  }
    
  return undef;
  
}

sub feature_clash
{
  return undef;
}

sub feature_delete
{
  my ($d) = @_;
  &$virtual_server::first_print("Deleting Nginx site ..");
  
  unlink($conf_dir . $sites_enabled_dir . $d->{'dom'} . ".conf");
  unlink($conf_dir . $sites_available_dir . $d->{'dom'} . ".conf");
  
  &$virtual_server::second_print(".. done");
  
}

sub feature_depends
{
  return undef;
}

sub feature_disable
{
  my ($d) = @_;
  &$virtual_server::first_print("Disabling Nginx website ..");
  unlink($conf_dir . $sites_enabled_dir . $d->{'dom'} . ".conf");
  reload_nginx();
  &$virtual_server::second_print(".. done");
}

sub feature_disname
{
  return "Nginx website";
}

sub feature_enable
{
  
  my ($d) = @_;
  &$virtual_server::first_print("Re-enabling Nginx website ..");
  symlink($conf_dir . $sites_available_dir . $d->{'dom'} . ".conf", $conf_dir . $sites_enabled_dir . $d->{'dom'} . ".conf");
  reload_nginx();
  &$virtual_server::second_print(".. done");
  
  
}

sub feature_import
{
  
}

sub feature_label
{
  return "Setup Nginx website for domain?";
}

sub feature_links
{
  
}

sub feature_losing
{
  return "The Nginx config file for this website will be deleted.";
}

sub feature_modify
{
  my ($d, $oldd) = @_;
  if ($d->{'dom'} ne $oldd->{'dom'}) {
  }
}

sub feature_name
{
  return "Nginx website";
}

sub feature_restore
{
  
}

sub feature_setup
{
  my ($d) = @_;
  &$virtual_server::first_print("Setting up Nginx site ..");
  
  my $file;
  
  if($config{'log_dir'} eq "")
  {
    $log_dir = "$d->{'home'}/logs/";
  }
  
  open($file, ">" . $conf_dir . $sites_available_dir . $d->{'dom'} . ".conf");
  #TODO in config.info add nginx config template with default value conf_tmpl=nginx config template,9,server{ listen $d->{'ip'}:80;} or get it from nginx_conf.tpl and parse
  #TODO Determine subdomain and dont put rewrite ^/(.*) http://www.$d->{'dom'} permanent;
  my $conf = <<CONFIG;
  #server {
  #  listen $d->{'ip'}:80;
  #  server_name  $d->{'dom'};
  #  rewrite ^/(.*) http://www.$d->{'dom'} permanent;
  #}
  server {
    listen $d->{'ip'}:80;
    server_name $d->{'dom'} www.$d->{'dom'};
    
    access_log $log_dir$d->{'dom'}.access.log;
    error_log $log_dir$d->{'dom'}.error.log;
  
    root $d->{'home'}/public_html/;
    index index.php index.html index.htm;
    
    if (!-e \$request_filename) {
      rewrite ^/(.*)\$ /index.php?q=\$1 last;
    }
    
    # serve static files directly
    location ~* ^.+.(jpg|jpeg|gif|css|png|js|ico)\$ {
      access_log        off;
      expires           30d;
    }
    
    location ~ \.php\$ {
      fastcgi_pass 127.0.0.1:9000;
      fastcgi_index index.php;
      fastcgi_param SCRIPT_FILENAME \$document_root\$fastcgi_script_name;
      include fastcgi_params;
    }

  }
CONFIG
  
  print($file $conf);
  
  close $file;
  
  symlink($conf_dir . $sites_available_dir . $d->{'dom'} . ".conf", $conf_dir . $sites_enabled_dir . $d->{'dom'} . ".conf");
  
  reload_nginx();
  fix_perm("$d->{'home'}/public_html/");
  
  &$virtual_server::second_print(".. done");
  
}

sub feature_suitable
{
  return 1;
}

sub feature_validate
{
  return undef;
}

sub feature_webmin
{
  
}

sub reload_nginx
{
  if($config{'nginx_pid'} eq "")
  {
    $nginx_pid = '/var/run/nginx.pid';
  }
  #TODO test nginx conf = nginx -t
  my $pid = `cat $nginx_pid`;
  `kill -HUP $pid`;
}

sub fix_perm
{
    # TODO nginx run as www-data, default perm on public_html in Virtualmin 0740 Sequrity alert if chmod 0755
    my ($dir) = @_;
    
    if($config{'public_html_perm'} eq "")
    {
        $public_html_perm = '0755';
    }
    chmod oct($public_html_perm), $dir;
}