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<?php
///
// NextCloudPi Web Panel backend
//
// Copyleft 2018 by Ignacio Nunez Hernanz <nacho _a_t_ ownyourbits _d_o_t_ com>
// GPL licensed (see end of file) * Use at your own risk!
//
// More at https://nextcloudpi.com
///
include ('csrf.php');
session_start();
$cfg_dir = '/usr/local/etc/ncp-config.d/';
$l10nDir = "l10n";
ignore_user_abort(true);
//
// language
//
require("L10N.php");
try {
$l = new L10N($_SERVER["HTTP_ACCEPT_LANGUAGE"], $l10nDir, $cfg_dir);
} catch (Exception $e) {
die(json_encode("<p class='error'>Error while loading localizations!</p>"));
}
// CSRF check
$token = isset($_POST['csrf_token']) ? $_POST['csrf_token'] : '';
if ( empty($token) || !validateCSRFToken($token) )
exit( '{ "output": "Unauthorized request. Try reloading the page" }' );
//
// launch
//
if ( $_POST['action'] == "launch" && $_POST['config'] )
{
// sanity checks
if ( !$_POST['ref'] ) exit( '{ "output": "Invalid request" }' );
$ncp_app = $_POST['ref'];
preg_match( '/^[0-9A-Za-z_-]+$/' , $_POST['ref'] , $matches )
or exit( '{ "output": "Invalid input" , "token": "' . getCSRFToken() . '" }' );
// save new config
if ( $_POST['config'] != "{}" )
{
$cfg_file = $cfg_dir . $ncp_app . '.cfg';
$cfg_str = file_get_contents($cfg_file)
or exit('{ "output": "' . $ncp_app . ' read error" }');
$cfg = json_decode($cfg_str, true)
or exit('{ "output": "' . $ncp_app . ' read error" }');
$new_params = json_decode($_POST['config'], true)
or exit('{ "output": "Invalid request" }');
foreach ($cfg['params'] as $index => $param)
{
// sanitize
$val = trim(escapeshellarg($new_params[$cfg['params'][$index]['id']]),"'");
preg_match( '/ /' , $val , $matches )
and exit( '{ "output": "Invalid parameters" , "token": "' . getCSRFToken() . '" }' );
// save
$cfg['params'][$index]['value'] = $val;
}
$cfg_str = json_encode($cfg)
or exit('{ "output": "' . $ncp_app . ' internal error" }');
file_put_contents($cfg_file, $cfg_str)
or exit('{ "output": "' . $ncp_app . ' write error" }');
}
// launch
echo '{ "token": "' . getCSRFToken() . '",'; // Get new token
echo ' "ref": "' . $ncp_app . '",';
echo ' "output": "" , ';
echo ' "ret": ';
exec( 'bash -c "sudo /home/www/ncp-launcher.sh ' . $ncp_app . '"' , $output , $ret );
echo '"' . $ret . '" }';
}
//
// info
//
else if ( $_POST['action'] == "info" )
{
exec( 'bash /usr/local/bin/ncp-diag', $output, $ret );
// info table
$table = '<table class="dashtable">';
foreach( $output as $line )
{
$table .= "<tr>";
$fields = explode( "|", $line );
$table .= "<td>$fields[0]</td>";
$class = 'val-field';
if ( strpos( $fields[1], "up" ) !== false
|| strpos( $fields[1], "ok" ) !== false
|| strpos( $fields[1], "open" ) !== false )
$class = 'ok-field';
if ( strpos( $fields[1], "down" ) !== false
|| strpos( $fields[1], "error" ) !== false )
$class = 'error-field';
$table .= "<td class=\"$class\">$fields[1]</td>";
$table .= "</tr>";
}
$table .= "</table>";
// suggestions
$suggestions = "";
if ( $ret == 0 )
{
exec( "bash /usr/local/bin/ncp-suggestions \"" . implode( "\n", $output ) . '"', $out, $ret );
foreach( $out as $line )
if ( $line != "" )
$suggestions .= "<p class=\"val-field\">‣ $line</p>";
}
// return JSON
echo '{ "token": "' . getCSRFToken() . '",'; // Get new token
echo ' "table": ' . json_encode( $table ) . ' , ';
echo ' "suggestions": ' . json_encode( $suggestions ) . ' , ';
echo ' "ret": "' . $ret . '" }';
}
//
// sidebar
//
else if ( $_POST['action'] == "sidebar" )
{
require( "elements.php" );
// return JSON
echo '{ "token": "' . getCSRFToken() . '",'; // Get new token
echo ' "output": ' . json_encode( print_sidebar( $l, true ) ) . ' , ';
echo ' "ret": "0" }';
}
//
// cfg-ui
//
else if ( $_POST['action'] == "cfg-ui" )
{
$ret = $l->save( $_POST['value'] );
$ret = $ret !== FALSE ? 0 : 1;
// return JSON
echo '{ "token": "' . getCSRFToken() . '",'; // Get new token
echo ' "ret": "' . $ret . '" }';
}
//
// path field
//
else if ( $_POST['action'] == "path-exists" )
{
if (file_exists($_POST['value']))
$ret = 0;
else
$ret = 1;
// return JSON
echo '{ "token": "' . getCSRFToken() . '",'; // Get new token
echo ' "ret": "' . $ret . '" }';
}
//
// poweroff
//
else if ( $_POST['action'] == "poweroff" )
{
shell_exec( 'bash -c "( sleep 2 && sudo halt ) 2>/dev/null >/dev/null &"' );
}
//
// reboot
//
else if ( $_POST['action'] == "reboot" )
{
shell_exec('bash -c "( sleep 2 && sudo reboot ) 2>/dev/null >/dev/null &"');
}
// License
//
// This script is free software; you can redistribute it and/or modify it
// under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This script is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this script; if not, write to the
// Free Software Foundation, Inc., 59 Temple Place, Suite 330,
// Boston, MA 02111-1307 USA
?>
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