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|
<?php
include_once $_SERVER['DOCUMENT_ROOT'] . '/../config.php';
include_once $_SERVER['DOCUMENT_ROOT'] . '/../lib/utils.php';
include_once $_SERVER['DOCUMENT_ROOT'] . '/../lib/file.php';
include_once $_SERVER['DOCUMENT_ROOT'] . '/../lib/alert.php';
session_start();
if (!FILE_DELETION) {
generate_alert(
'/',
"File deletion is not allowed",
403
);
exit();
}
$file_id = $_GET['f'] ?? null;
$password = $_GET['key'] ?? null;
if (!isset($file_id)) {
generate_alert(
'/',
"File ID must be set!",
400
);
exit();
}
$file_id = explode('.', $file_id);
$file_ext = $file_id[1];
$file_id = $file_id[0];
if (!preg_match('/^[a-zA-Z0-9_-]+$/', $file_id) || !preg_match('/^[a-zA-Z0-9]+$/', $file_ext)) {
generate_alert(
'/',
"Invalid file ID or extension",
400
);
exit();
}
$db = new PDO(DB_URL, DB_USER, DB_PASS);
$stmt = $db->prepare('SELECT password FROM files WHERE id = ? AND extension = ?');
$stmt->execute([$file_id, $file_ext]);
$file = $stmt->fetch(PDO::FETCH_ASSOC) ?: null;
if (!$file) {
generate_alert(
"/",
"File $file_id not found",
404
);
exit();
}
if (!isset($_SESSION['is_moderator']) && !isset($file['password'])) {
generate_alert(
"/$file_id.$file_ext",
"File $file_id does not have a password. File cannot be deleted!",
400
);
exit();
}
if (!isset($_SESSION['is_moderator']) && !isset($password)) {
generate_alert(
"/$file_id.$file_ext",
"Field 'key' must be set!",
400
);
exit();
}
if (!isset($_SESSION['is_moderator']) && !password_verify($password, $file['password'])) {
generate_alert(
"/$file_id.$file_ext",
'Unauthorized',
401
);
exit();
}
if (!delete_file($file_id, $file_ext, $db)) {
generate_alert(
"/$file_id.$file_ext",
'Failed to remove files. Try again later',
500
);
exit();
}
generate_alert(
$_GET['r'] ?? '/',
'Successfully deleted the file',
200,
[
'id' => $file_id,
'extension' => $file_ext
]
);
|
