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Merge pull request #42 from NoahvdAa/patch-3

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Added CSRF protection to file manager.
This commit is contained in:
Daniel Winzen
2019-01-27 16:22:20 +01:00
committed by GitHub
parent 7da6b8feed 6fc7ba7dae
commit cf83b9901a
2 changed files with 37 additions and 1 deletions
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37
var/www/html/files.php
View File

@ -125,10 +125,18 @@ if(@!ftp_chdir($ftp, $dir)){
}
if(!empty($_POST['mkdir']) && !empty($_POST['name'])){
if(empty($_POST['csrf_token']) || $_POST['csrf_token'] != $_SESSION['csrf_token']){
echo 'Invalid CSRF token, please try again.';
exit;
}
ftp_mkdir($ftp, $_POST['name']);
}
if(!empty($_POST['mkfile']) && !empty($_POST['name'])){
if(empty($_POST['csrf_token']) || $_POST['csrf_token'] != $_SESSION['csrf_token']){
echo 'Invalid CSRF token, please try again.';
exit;
}
$tmpfile='/tmp/'.uniqid();
touch($tmpfile);
ftp_put($ftp, $_POST['name'], $tmpfile, FTP_BINARY);
@ -136,23 +144,39 @@ if(!empty($_POST['mkfile']) && !empty($_POST['name'])){
}
if(!empty($_POST['delete']) && !empty($_POST['files'])){
if(empty($_POST['csrf_token']) || $_POST['csrf_token'] != $_SESSION['csrf_token']){
echo 'Invalid CSRF token, please try again.';
exit;
}
foreach($_POST['files'] as $file){
ftp_recursive_delete($ftp, $file);
}
}
if(!empty($_POST['rename_2']) && !empty($_POST['files'])){
if(empty($_POST['csrf_token']) || $_POST['csrf_token'] != $_SESSION['csrf_token']){
echo 'Invalid CSRF token, please try again.';
exit;
}
foreach($_POST['files'] as $old=>$new){
ftp_rename($ftp, $old, $new);
}
}
if(!empty($_POST['rename']) && !empty($_POST['files'])){
if(empty($_POST['csrf_token']) || $_POST['csrf_token'] != $_SESSION['csrf_token']){
echo 'Invalid CSRF token, please try again.';
exit;
}
send_rename($dir);
exit;
}
if(!empty($_POST['edit_2']) && !empty($_POST['files'])){
if(empty($_POST['csrf_token']) || $_POST['csrf_token'] != $_SESSION['csrf_token']){
echo 'Invalid CSRF token, please try again.';
exit;
}
$tmpfile='/tmp/'.uniqid();
foreach($_POST['files'] as $name=>$content){
file_put_contents($tmpfile, $content);
@ -167,6 +191,10 @@ if(!empty($_POST['edit']) && !empty($_POST['files'])){
}
if(!empty($_POST['unzip']) && !empty($_POST['files'])){
if(empty($_POST['csrf_token']) || $_POST['csrf_token'] != $_SESSION['csrf_token']){
echo 'Invalid CSRF token, please try again.';
exit;
}
$zip = new ZipArchive();
foreach($_POST['files'] as $file){
if(!preg_match('/\.zip$/', $file)){
@ -202,6 +230,10 @@ if(!empty($_POST['unzip']) && !empty($_POST['files'])){
if(!empty($_FILES['files'])){
if(empty($_POST['csrf_token']) || $_POST['csrf_token'] != $_SESSION['csrf_token']){
echo 'Invalid CSRF token, please try again.';
exit;
}
$c=count($_FILES['files']['name']);
for($i=0; $i<$c; ++$i){
if($_FILES['files']['error'][$i]===UPLOAD_ERR_OK){
@ -276,7 +308,7 @@ $dir=htmlspecialchars($dir);
</head><body>
<h1>Index of <?php echo $dir; ?></h1>
<?php if($dir!=='/'){ ?>
<p>Upload up to 1GB and up to 100 files at once <form action="files.php" enctype="multipart/form-data" method="post"><input name="files[]" type="file" multiple><input type="hidden" name="path" value="<?php echo $dir; ?>"><input type="submit" value="Upload"></form></p><br>
<p>Upload up to 1GB and up to 100 files at once <form action="files.php" enctype="multipart/form-data" method="post"><input type="hidden" name="csrf-token" value="<?= $_SESSION['csrf_token'] ?>"><input name="files[]" type="file" multiple><input type="hidden" name="path" value="<?php echo $dir; ?>"><input type="submit" value="Upload"></form></p><br>
<?php
}
$fileurl='A';
@ -294,6 +326,7 @@ if($order==='A'){
}
?>
<form action="files.php" method="post">
<input type="hidden" name="csrf-token" value="<?= $_SESSION['csrf_token'] ?>">
<input type="submit" name="mkdir" value="Create directory">
<input type="submit" name="mkfile" value="Create file">
<input type="text" name="name"><br><br>
@ -420,6 +453,7 @@ function send_rename($dir){
echo '<meta name=viewport content="width=device-width, initial-scale=1">';
echo '</head><body>';
echo '<form action="files.php" method="post">';
echo '<input type="hidden" name="csrf-token" value="<'.$_SESSION['csrf_token'].'">';
echo '<input type="hidden" name="path" value="'.htmlspecialchars($dir).'">';
echo '<table>';
foreach($_POST['files'] as $file){
@ -438,6 +472,7 @@ function send_edit($ftp, $dir){
echo '<meta name=viewport content="width=device-width, initial-scale=1">';
echo '</head><body>';
echo '<form action="files.php" method="post">';
echo '<input type="hidden" name="csrf-token" value="<'.$_SESSION['csrf_token'].'">';
echo '<input type="hidden" name="path" value="'.htmlspecialchars($dir).'">';
echo '<table>';
$tmpfile='/tmp/'.uniqid();

1
var/www/html/login.php
View File

@ -53,6 +53,7 @@ if($_SERVER['REQUEST_METHOD']==='POST'){
}
if($ok){
$_SESSION['hosting_username']=$username;
$_SESSION['csrf_token']=sha1(uniqid());
session_write_close();
header('Location: home.php');
exit;