PVE/Service/pveproxy.pm

   1 package PVE::Service::pveproxy;
   2
   3 use strict;
   4 use warnings;
   5
   6 use PVE::SafeSyslog;
   7 use PVE::Daemon;
   8 use HTTP::Response;
   9 use Encode;
  10 use URI;
  11 use URI::QueryParam;
  12 use File::Find;
  13 use Data::Dumper;
  14 use PVE::API2Tools;
  15 use PVE::API2;
  16 use PVE::API2::Formatter::Standard;
  17 use PVE::API2::Formatter::HTML;
  18 use PVE::HTTPServer;
  19
  20 use PVE::ExtJSIndex;
  21 use PVE::NoVncIndex;
  22 use PVE::TouchIndex;
  23
  24 use PVE::Tools;
  25
  26 use base qw(PVE::Daemon);
  27
  28 my $cmdline = [$0, @ARGV];
  29
  30 my %daemon_options = (
  31     max_workers => 3,
  32     restart_on_error => 5,
  33     stop_wait_time => 15,
  34     leave_children_open_on_reload => 1,
  35     setuid => 'www-data',
  36     setgid => 'www-data',
  37     pidfile => '/var/run/pveproxy/pveproxy.pid',
  38 );
  39
  40 my $daemon = __PACKAGE__->new('pveproxy', $cmdline, %daemon_options);
  41
  42 sub add_dirs {
  43     my ($result_hash, $alias, $subdir) = @_;
  44
  45     $result_hash->{$alias} = $subdir;
  46
  47     my $wanted = sub {
  48         my $dir = $File::Find::dir;
  49         if ($dir =~m!^$subdir(.*)$!) {
  50             my $name = "$alias$1/";
  51             $result_hash->{$name} = "$dir/";
  52         }
  53     };
  54
  55     find({wanted => $wanted, follow => 0, no_chdir => 1}, $subdir);
  56 }
  57
  58 sub init {
  59     my ($self) = @_;
  60
  61     # we use same ALLOW/DENY/POLICY as pveproxy
  62     my $proxyconf = PVE::API2Tools::read_proxy_config();
  63
  64     my $accept_lock_fn = "/var/lock/pveproxy.lck";
  65
  66     my $lockfh = IO::File->new(">>${accept_lock_fn}") ||
  67         die "unable to open lock file '${accept_lock_fn}' - $!\n";
  68
  69     my $family = PVE::Tools::get_host_address_family($self->{nodename});
  70     my $socket = $self->create_reusable_socket(8006, undef, $family);
  71
  72     my $dirs = {};
  73
  74     add_dirs($dirs, '/pve2/locale/', '/usr/share/pve-manager/locale/');
  75     add_dirs($dirs, '/pve2/touch/', '/usr/share/pve-manager/touch/');
  76     add_dirs($dirs, '/pve2/ext6/', '/usr/share/pve-manager/ext6/');
  77     add_dirs($dirs, '/pve2/manager6/', '/usr/share/pve-manager/manager6/');
  78
  79     add_dirs($dirs, '/pve2/images/' => '/usr/share/pve-manager/images/');
  80     add_dirs($dirs, '/pve2/css/' => '/usr/share/pve-manager/css/');
  81     add_dirs($dirs, '/pve2/js/' => '/usr/share/pve-manager/js/');
  82     add_dirs($dirs, '/pve-docs/' => '/usr/share/pve-docs/');
  83     add_dirs($dirs, '/vncterm/' => '/usr/share/vncterm/');
  84     add_dirs($dirs, '/novnc/' => '/usr/share/novnc-pve/');
  85
  86     $self->{server_config} = {
  87         base_handler_class => 'PVE::API2',
  88         keep_alive => 100,
  89         max_conn => 500,
  90         max_requests => 1000,
  91         lockfile => $accept_lock_fn,
  92         socket => $socket,
  93         lockfh => $lockfh,
  94         debug => $self->{debug},
  95         trusted_env => 0, # not trusted, anyone can connect
  96         logfile => '/var/log/pveproxy/access.log',
  97         allow_from => $proxyconf->{ALLOW_FROM},
  98         deny_from => $proxyconf->{DENY_FROM},
  99         policy => $proxyconf->{POLICY},
 100         ssl => {
 101             # Note: older versions are considered insecure, for example
 102             # search for "Poodle"-Attac
 103             method => 'any',
 104             sslv2 => 0,
 105             sslv3 => 0,
 106             cipher_list => $proxyconf->{CIPHERS} || 'HIGH:MEDIUM:!aNULL:!MD5',
 107             key_file => '/etc/pve/local/pve-ssl.key',
 108             cert_file => '/etc/pve/local/pve-ssl.pem',
 109         },
 110         # Note: there is no authentication for those pages and dirs!
 111         pages => {
 112             '/' => sub { get_index($self->{nodename}, @_) },
 113             # avoid authentication when accessing favicon
 114             '/favicon.ico' => {
 115                 file => '/usr/share/pve-manager/images/favicon.ico',
 116             },
 117         },
 118         dirs => $dirs,
 119     };
 120
 121     if ($proxyconf->{DHPARAMS}) {
 122         $self->{server_config}->{ssl}->{dh_file} = $proxyconf->{DHPARAMS};
 123     } else {
 124         $self->{server_config}->{ssl}->{dh} = 'skip2048';
 125     }
 126
 127     if (-f '/etc/pve/local/pveproxy-ssl.pem' && -f '/etc/pve/local/pveproxy-ssl.key') {
 128         $self->{server_config}->{ssl}->{cert_file} = '/etc/pve/local/pveproxy-ssl.pem';
 129         $self->{server_config}->{ssl}->{key_file} = '/etc/pve/local/pveproxy-ssl.key';
 130         syslog('info', 'Using \'/etc/pve/local/pveproxy-ssl.pem\' as certificate for the web interface.');
 131     }
 132 }
 133
 134 sub run {
 135     my ($self) = @_;
 136
 137     my $server = PVE::HTTPServer->new(%{$self->{server_config}});
 138     $server->run();
 139 }
 140
 141 $daemon->register_start_command();
 142 $daemon->register_restart_command(1);
 143 $daemon->register_stop_command();
 144 $daemon->register_status_command();
 145
 146 our $cmddef = {
 147     start => [ __PACKAGE__, 'start', []],
 148     restart => [ __PACKAGE__, 'restart', []],
 149     stop => [ __PACKAGE__, 'stop', []],
 150     status => [ __PACKAGE__, 'status', [], undef, sub { print shift . "\n";} ],
 151 };
 152
 153 sub is_phone {
 154     my ($ua) = @_;
 155
 156     return 0 if !$ua;
 157
 158     return 1 if $ua =~ m/(iPhone|iPod|Windows Phone)/;
 159
 160     if ($ua =~ m/Mobile(\/|\s)/) {
 161         return 1 if $ua =~ m/(BlackBerry|BB)/;
 162         return 1 if ($ua =~ m/(Android)/) && ($ua !~ m/(Silk)/);
 163     }
 164
 165     return 0;
 166 }
 167
 168 # NOTE: Requests to those pages are not authenticated
 169 # so we must be very careful here
 170
 171 sub get_index {
 172     my ($nodename, $server, $r, $args) = @_;
 173
 174     my $lang = 'en';
 175     my $username;
 176     my $token = 'null';
 177
 178     if (my $cookie = $r->header('Cookie')) {
 179         if (my $newlang = ($cookie =~ /(?:^|\s)PVELangCookie=([^;]*)/)[0]) {
 180             if ($newlang =~ m/^[a-z]{2,3}(_[A-Z]{2,3})?$/) {
 181                 $lang = $newlang;
 182             }
 183         }
 184         my $ticket = PVE::HTTPServer::extract_auth_cookie($cookie, $server->{cookie_name});
 185         if (($username = PVE::AccessControl::verify_ticket($ticket, 1))) {
 186             $token = PVE::AccessControl::assemble_csrf_prevention_token($username);
 187         }
 188     }
 189
 190     $username = '' if !$username;
 191
 192     my $mobile = is_phone($r->header('User-Agent')) ? 1 : 0;
 193
 194     if (defined($args->{mobile})) {
 195         $mobile = $args->{mobile} ? 1 : 0;
 196     }
 197
 198     my $page;
 199
 200     if (defined($args->{console}) && $args->{novnc}) {
 201         $page = PVE::NoVncIndex::get_index($lang, $username, $token, $args->{console}, $nodename);
 202     } elsif ($mobile) {
 203         $page = PVE::TouchIndex::get_index($lang, $username, $token, $args->{console}, $nodename);
 204     } else {
 205         $page = PVE::ExtJSIndex::get_index($lang, $username, $token, $args->{console}, $nodename,
 206             $server->{debug});
 207     }
 208     my $headers = HTTP::Headers->new(Content_Type => "text/html; charset=utf-8");
 209     my $resp = HTTP::Response->new(200, "OK", $headers, $page);
 210
 211     return $resp;
 212 }
 213
 214 1;