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xhr-lib.pl
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xhr-lib.pl
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#
# Authentic Theme (https://github.com/authentic-theme/authentic-theme)
# Copyright Ilia Rostovtsev <[email protected]>
# Licensed under MIT (https://github.com/authentic-theme/authentic-theme/blob/master/LICENSE)
#
use strict;
our (%in, %gconfig, $root_directory, $remote_user, $get_user_level);
sub xhr
{
my $type = $in{'type'};
my $subtype = $in{'subtype'};
my $action = $in{'action'};
my %data = ();
my $output = sub {
my ($data) = @_;
# Set no links header
print "x-no-links: 1\n";
# Return fetched data if any
print_json($data);
};
if ($type eq "cmd") {
# Fail state restart
if ($action eq "restart") {
if (webmin_user_is_admin()) {
my $systemd = has_command('systemctl');
if ($systemd) {
# We need to force kill a potentially stuck process without pid
my %miniserv;
get_miniserv_config(\%miniserv);
my $force_restart =
-r $miniserv{'pidfile'} ? "${systemd} kill -s SIGTERM webmin" :
"/etc/webmin/stop ; /etc/webmin/start ; /etc/webmin/.stop-init --kill";
system($force_restart);
} else {
restart_miniserv();
}
}
}
}
if ($type eq 'nav') {
# Returns navigation menu available for requested domain/server
if ($action eq 'validate') {
my $module = $in{'module'};
my $param = $in{'param'};
my @menu = list_combined_webmin_menu(undef, \%in, $module);
# Returns a list of allowed domain/server related links
if ($subtype eq 'links') {
my @submenu = map {
$_->{'link'} =~ /.*?$module.*\/(\w+\.cgi).*?$param=/,
$_->{'link'} =~ /(\/.*?_log\.cgi\?.*)/,
$_->{'link'} =~ /(.*?\/webminlog\/.*?\.cgi.*)/,
$_->{'link'} =~ /(.*?\/phpini\/.*?\.cgi.*)/,
$_->{'link'} =~ /(.*?\/spam\/.*?\.cgi.*)/,
$_->{'link'} =~ /(.*?\/apache\/.*?\.cgi.*)/,
$_->{'link'} =~ /(.*?\/virtualmin-.*?\/.*?\.cgi.*)/,
} array_flatten(grep {$_->[0]->{'link'}} map {$_->{'members'}} @menu);
my @fmmenu = map {$_->{'link'} =~ /(filemin\/.*?\.cgi.*)/} @menu;
@menu = map {$_->{'link'} =~ /.*?$module.*\/(\w+\.cgi).*?$param=/} @menu;
@menu = (@menu, @submenu, @fmmenu);
$data{'menu'} = \@menu;
}
}
# Returns default goto if set
if ($action eq 'goto') {
# Validate if default goto is allowed for the given user
my $mod_def = get_default_module();
if ($mod_def) {
$data{'gotomodule'} = "$mod_def";
}
}
# Returns requested navigation
if ($action eq 'get') {
require("$ENV{'THEME_ROOT'}/navigation-lib.pl");
my ($tab, $page) = nav_detector();
if ($subtype eq 'cloudmin') {
$data{'menu'} = nav_cloudmin_menu($page);
} elsif ($subtype eq 'virtualmin') {
$data{'menu'} = nav_virtualmin_menu($page);
} elsif ($subtype eq 'webmail') {
$data{'menu'} = nav_mailbox_menu($page);
} else {
$data{'menu'} = nav_webmin_menu($page);
}
}
}
# Check if action is allowed
if ($type eq 'can') {
if ($action eq 'view_dom') {
require("$ENV{'THEME_ROOT'}/navigation-lib.pl");
$data{$action} = nav_virtualmin_domain_available($in{'dom'}, 'id');
}
}
if ($type eq 'file') {
if ($action eq 'cache') {
if ($in{'module'} eq 'virtual-server') {
if ($in{'submodule'} eq 'server-templates') {
if (foreign_available('virtual-server')) {
foreign_require("virtual-server");
my $var_dir = $virtual_server::module_var_directory;
my $server_template_id = int($in{'server-template-id'});
my $server_template_id_user_file =
"$var_dir/$in{'module'}-$in{'submodule'}-$server_template_id.$remote_user";
if ($in{'subaction'} eq 'get') {
if (-r $server_template_id_user_file) {
$data{'cached'} = unserialise_variable(read_file_contents($server_template_id_user_file));
}
} elsif ($in{'subaction'} eq 'put') {
my $data = convert_from_json($in{'data'});
write_file_contents($server_template_id_user_file, serialise_variable($data));
&$output(\%data);
exit;
}
}
}
}
}
if ($action eq 'motd') {
# Get current user motd file
if ($subtype eq 'get') {
$data{'motd'} = get_all_users_motd_data($remote_user);
}
# Save current user motd file
if ($subtype eq 'set' &&
webmin_user_is_admin())
{
my $data = convert_from_json($in{'data'});
put_user_motd($data);
}
# Get current user motd sent messages
if ($subtype eq 'receive') {
$data{'motd'} = get_all_users_motd_data();
}
}
# Generate given file info
if ($action eq 'stat') {
my ($module, $sumtype, $jailed_user, $jailed_user_home, $cfile, $mime, $dir, $fzi, $fz, $ft, $s, $sz, $nz);
$module = 'filemin'; # $in{'module'};
if (!foreign_available($module)) {
$data{'module-access-denied'} = $module;
&$output(\%data);
exit;
}
$cfile = $in{'file'};
$sumtype = $in{'checksum'};
$jailed_user = get_fm_jailed_user($module, 1);
$jailed_user_home = get_fm_jailed_user($module);
if ($jailed_user) {
switch_to_given_unix_user($jailed_user);
$cfile = $jailed_user_home . $cfile;
} else {
switch_to_remote_user_safe();
}
my $get_file_checksum = sub {
my ($cfile, $cmd) = @_;
my $sum = 0;
my @allowed_checksum_cmds = ('md5sum', 'sha1sum', 'sha256sum');
foreach my $c (@allowed_checksum_cmds) {
if ($cmd eq $c) {
if (has_command($c)) {
$sum = backquote_command("$c " . quotemeta($cfile) . " 2>/dev/null");
$sum =~ s/(\S+)(\s+)(.*)/$1/;
$sum = trim($sum);
} else {
$sum = -1;
}
}
}
return $sum;
};
# Get given checksum and exit
if ($sumtype) {
my $sum = &$get_file_checksum($cfile, $sumtype);
$data{'checksum'} = $sum;
&$output(\%data);
exit;
}
# Build extended file stats
$fzi = recursive_disk_usage($cfile);
$dir = -d $cfile;
$fz = $fzi;
$fz = nice_size($fz, -1);
$ft = backquote_command("file -b " . quotemeta($cfile) . " 2>/dev/null");
$s = backquote_command("stat " . quotemeta($cfile) . " 2>/dev/null");
$ft = trim($ft);
$s =~ /(Size:)(\s+)(\d+)(\s+)/;
$sz = length($3) + length($4);
$nz = length($fz);
$sz -= $nz;
$sz = " " x ($sz + 2);
$s =~ s/(Size:)(\s+)(\d+)(\s+)/$1$2$fz$sz/;
if (!$dir) {
$mime = guess_mime_type($cfile, -1);
if ($mime == -1) {
$mime = undef;
} else {
$mime = " ($mime) ";
}
}
$s =~ s/(File:)(.*)\n/$1$2\n Type: $ft\n/ if ($ft);
$s =~ s/(File:)(\s+)(.*)/$1$2$cfile$mime/;
$s =~ s/(Birth:\s+-.*[\n\s]+)//m;
$s =~ s/\((\s*)(\d+\/)\s*(.*?)\)/($2$3)/g;
my $lsattr_cmd = has_command('lsattr');
if ($lsattr_cmd) {
my $lsattr;
my $lsattr_param = $dir ? " -d" : undef;
$lsattr = backquote_command("$lsattr_cmd$lsattr_param " . quotemeta($cfile) . " 2>/dev/null");
$lsattr =~ s/(\S+)(\s+)(.*)/$1/;
$s =~ s/(Links:)(.*)\n/$1$2\n Attrs: $lsattr/ if ($lsattr);
}
my $getfacl_cmd = has_command('getfacl');
if ($getfacl_cmd) {
my $lbl = $lsattr_cmd ? "Attrs:" : "Links:";
my $getfacl = backquote_command("$getfacl_cmd -p " . quotemeta($cfile) . " 2>/dev/null");
my @getfacls = ($getfacl =~ /^(?!(#|user::|group::|other::))([\w\:\-\_]+)/gm);
$getfacl = join(' ', @getfacls);
$s =~ s/($lbl)(.*)\n/$1$2\n ACLs:$getfacl\n/ if ($getfacl);
}
if (!$dir) {
my @csums = ('md5sum', 'sha1sum', 'sha256sum');
foreach my $c (@csums) {
my ($sp, $sumv, $sum, $sumn);
$sum = 'data-a-checksum="' . $c . '"';
$sumn = $c;
$sumn =~ s/sum//;
$sp = " " x (6 - length($sumn));
if ($fzi < 1024000) {
$sumv = &$get_file_checksum($cfile, $c);
$sum = $sumv if ($sumv != -1);
}
$s = rtrim($s);
$s = "$s\n";
$s .= "$sp$sumn: $sum\n" if ($sumv != -1);
}
}
$data{'content'} = rtrim($s);
$data{'size'} = [$fz, $fzi];
}
}
&$output(\%data);
}
1;