Geizkragen/upload.php

118 lines
2.5 KiB
PHP

<?php
ini_set('display_errors', 1);
ini_set('display_startup_errors', 1);
error_reporting(E_ALL);
session_start();
if (empty($_SESSION['user_id']))
{
header('Location: login.php');
exit();
}
$userId = (int)$_SESSION['user_id'];
if ($_SERVER['REQUEST_METHOD'] !== 'POST')
{
header('Location: account.php');
exit();
}
if (!isset($_FILES['uploadFile']) || !is_array($_FILES['uploadFile']))
{
header('Location: account.php?upload=err');
exit();
}
$file = $_FILES['uploadFile'];
$fileError = isset($file['error']) ? (int)$file['error'] : UPLOAD_ERR_NO_FILE;
if ($fileError !== UPLOAD_ERR_OK)
{
header('Location: account.php?upload=err');
exit();
}
// Basic Validierung
$tmp = isset($file['tmp_name']) ? (string)$file['tmp_name'] : '';
if ($tmp === '' || !is_uploaded_file($tmp))
{
header('Location: account.php?upload=err');
exit();
}
$allowedMimeToExt = [
'image/jpeg' => 'jpg',
'image/png' => 'png',
'image/webp' => 'webp'
];
$finfo = new finfo(FILEINFO_MIME_TYPE);
$mime = $finfo->file($tmp);
if (!$mime || !isset($allowedMimeToExt[$mime]))
{
header('Location: account.php?upload=err');
exit();
}
$ext = $allowedMimeToExt[$mime];
$targetDir = __DIR__ . DIRECTORY_SEPARATOR . 'assets' . DIRECTORY_SEPARATOR . 'images' . DIRECTORY_SEPARATOR . 'profilePictures';
if (!is_dir($targetDir))
{
@mkdir($targetDir, 0755, true);
}
// Fallback-kompatibler Name (auch ohne random_bytes)
$rand = uniqid('', true);
$rand = str_replace('.', '', $rand);
$filename = 'user_' . $userId . '_' . $rand . '.' . $ext;
$targetPath = $targetDir . DIRECTORY_SEPARATOR . $filename;
if (!move_uploaded_file($tmp, $targetPath))
{
header('Location: account.php?upload=err');
exit();
}
// Pfad, der in HTML genutzt wird (relativ zur Webroot)
$publicPath = 'assets/images/profilePictures/' . $filename;
$servername = "localhost";
$port = 3306;
$username = "FSST";
$password = "L9wUNZZ9Qkbt";
$db = "FSST";
$conn = mysqli_connect($servername, $username, $password, $db, $port);
if (!$conn)
{
header('Location: account.php?upload=err');
exit();
}
$stmt = mysqli_prepare($conn, "UPDATE users SET profilePicture = ? WHERE userID = ?");
if (!$stmt)
{
mysqli_close($conn);
header('Location: account.php?upload=err');
exit();
}
mysqli_stmt_bind_param($stmt, 'si', $publicPath, $userId);
$ok = mysqli_stmt_execute($stmt);
mysqli_stmt_close($stmt);
mysqli_close($conn);
if (!$ok)
{
header('Location: account.php?upload=err');
exit();
}
header('Location: account.php?upload=ok');
exit();