XBackBone/app/Controllers/UploadController.php
2019-11-13 16:23:10 +01:00

454 lines
No EOL
16 KiB
PHP

<?php
namespace App\Controllers;
use GuzzleHttp\Psr7\Stream;
use Intervention\Image\ImageManagerStatic as Image;
use League\Flysystem\FileExistsException;
use League\Flysystem\FileNotFoundException;
use League\Flysystem\Filesystem;
use Psr\Http\Message\ResponseInterface as Response;
use Psr\Http\Message\ServerRequestInterface as Request;
use Slim\Exception\HttpBadRequestException;
use Slim\Exception\HttpNotFoundException;
use Slim\Exception\HttpUnauthorizedException;
class UploadController extends Controller
{
/**
* @param Request $request
* @param Response $response
* @return Response
* @throws \Twig\Error\LoaderError
* @throws \Twig\Error\RuntimeError
* @throws \Twig\Error\SyntaxError
*/
public function webUpload(Request $request, Response $response): Response
{
$user = $this->database->query('SELECT * FROM `users` WHERE `id` = ? LIMIT 1', $this->session->get('user_id'))->fetch();
if ($user->token === null || $user->token === '') {
$this->session->alert(lang('no_upload_token'), 'danger');
return redirect($response, $request->getHeaderLine('Referer'));
}
return view()->render($response, 'upload/web.twig', [
'user' => $user,
]);
}
/**
* @param Request $request
* @param Response $response
* @return Response
* @throws FileExistsException
*/
public function upload(Request $request, Response $response): Response
{
$json = [
'message' => null,
'version' => PLATFORM_VERSION,
];
if ($this->config['maintenance']) {
$json['message'] = 'Endpoint under maintenance.';
return json($response, $json, 503);
}
if ($request->getServerParams()['CONTENT_LENGTH'] > stringToBytes(ini_get('post_max_size'))) {
$json['message'] = 'File too large (post_max_size too low?).';
return json($response, $json, 400);
}
$file = array_values($request->getUploadedFiles());
/** @var \Psr\Http\Message\UploadedFileInterface|null $file */
$file = isset($file[0]) ? $file[0] : null;
if ($file === null) {
$json['message'] = 'Request without file attached.';
return json($response, $json, 400);
}
if ($file->getError() === UPLOAD_ERR_INI_SIZE) {
$json['message'] = 'File too large (upload_max_filesize too low?).';
return json($response, $json, 400);
}
if (param($request, 'token') === null) {
$json['message'] = 'Token not specified.';
return json($response, $json, 400);
}
$user = $this->database->query('SELECT * FROM `users` WHERE `token` = ? LIMIT 1', param($request, 'token'))->fetch();
if (!$user) {
$json['message'] = 'Token specified not found.';
return json($response, $json, 404);
}
if (!$user->active) {
$json['message'] = 'Account disabled.';
return json($response, $json, 401);
}
do {
$code = humanRandomString();
} while ($this->database->query('SELECT COUNT(*) AS `count` FROM `uploads` WHERE `code` = ?', $code)->fetch()->count > 0);
$fileInfo = pathinfo($file->getClientFilename());
$storagePath = "$user->user_code/$code.$fileInfo[extension]";
$this->storage->writeStream($storagePath, $file->getStream()->detach());
$this->database->query('INSERT INTO `uploads`(`user_id`, `code`, `filename`, `storage_path`) VALUES (?, ?, ?, ?)', [
$user->id,
$code,
$file->getClientFilename(),
$storagePath,
]);
$json['message'] = 'OK.';
$json['url'] = urlFor("/$user->user_code/$code.$fileInfo[extension]");
$this->logger->info("User $user->username uploaded new media.", [$this->database->getPdo()->lastInsertId()]);
return json($response, $json, 201);
}
/**
* @param Request $request
* @param Response $response
* @param string $userCode
* @param string $mediaCode
* @param string|null $token
* @return Response
* @throws HttpNotFoundException
* @throws \Twig\Error\LoaderError
* @throws \Twig\Error\RuntimeError
* @throws \Twig\Error\SyntaxError
* @throws FileNotFoundException
*/
public function show(Request $request, Response $response, string $userCode, string $mediaCode, string $token = null): Response
{
$media = $this->getMedia($userCode, $mediaCode);
if (!$media || (!$media->published && $this->session->get('user_id') !== $media->user_id && !$this->session->get('admin', false))) {
throw new HttpNotFoundException($request);
}
$filesystem = $this->storage;
if (isBot($request->getHeaderLine('User-Agent'))) {
return $this->streamMedia($request, $response, $filesystem, $media);
} else {
try {
$media->mimetype = $filesystem->getMimetype($media->storage_path);
$size = $filesystem->getSize($media->storage_path);
$type = explode('/', $media->mimetype)[0];
if ($type === 'image' && !isDisplayableImage($media->mimetype)) {
$type = 'application';
$media->mimetype = 'application/octet-stream';
}
if ($type === 'text') {
if ($size <= (200 * 1024)) { // less than 200 KB
$media->text = $filesystem->read($media->storage_path);
} else {
$type = 'application';
$media->mimetype = 'application/octet-stream';
}
}
$media->size = humanFileSize($size);
} catch (FileNotFoundException $e) {
throw new HttpNotFoundException($request);
}
return view()->render($response, 'upload/public.twig', [
'delete_token' => $token,
'media' => $media,
'type' => $type,
'extension' => pathinfo($media->filename, PATHINFO_EXTENSION),
]);
}
}
/**
* @param Request $request
* @param Response $response
* @param string $userCode
* @param string $mediaCode
* @param string $token
* @return Response
* @throws HttpNotFoundException
* @throws HttpUnauthorizedException
*/
public function deleteByToken(Request $request, Response $response, string $userCode, string $mediaCode, string $token): Response
{
$media = $this->getMedia($userCode, $mediaCode);
if (!$media) {
throw new HttpNotFoundException($request);
}
$user = $this->database->query('SELECT `id`, `active` FROM `users` WHERE `token` = ? LIMIT 1', $token)->fetch();
if (!$user) {
$this->session->alert(lang('token_not_found'), 'danger');
return redirect($response, $request->getHeaderLine('Referer'));
}
if (!$user->active) {
$this->session->alert(lang('account_disabled'), 'danger');
return redirect($response, $request->getHeaderLine('Referer'));
}
if ($this->session->get('admin', false) || $user->id === $media->user_id) {
try {
$this->storage->delete($media->storage_path);
} catch (FileNotFoundException $e) {
throw new HttpNotFoundException($request);
} finally {
$this->database->query('DELETE FROM `uploads` WHERE `id` = ?', $media->mediaId);
$this->logger->info('User '.$user->username.' deleted a media via token.', [$media->mediaId]);
}
} else {
throw new HttpUnauthorizedException($request);
}
return redirect($response, route('home'));
}
/**
* @param Request $request
* @param Response $response
* @param int $id
* @return Response
* @throws FileNotFoundException
* @throws HttpNotFoundException
*/
public function getRawById(Request $request, Response $response, int $id): Response
{
$media = $this->database->query('SELECT * FROM `uploads` WHERE `id` = ? LIMIT 1', $id)->fetch();
if (!$media) {
throw new HttpNotFoundException($request);
}
return $this->streamMedia($request, $response, $this->storage, $media);
}
/**
* @param Request $request
* @param Response $response
* @param string $userCode
* @param string $mediaCode
* @param string|null $ext
* @return Response
* @throws FileNotFoundException
* @throws HttpNotFoundException
*/
public function showRaw(Request $request, Response $response, string $userCode, string $mediaCode, ?string $ext = null): Response
{
$media = $this->getMedia($userCode, $mediaCode);
if (!$media || !$media->published && $this->session->get('user_id') !== $media->user_id && !$this->session->get('admin', false)) {
throw new HttpNotFoundException($request);
}
if ($ext !== null && pathinfo($media->filename, PATHINFO_EXTENSION) !== $ext) {
throw new HttpBadRequestException($request);
}
return $this->streamMedia($request, $response, $this->storage, $media);
}
/**
* @param Request $request
* @param Response $response
* @param string $userCode
* @param string $mediaCode
* @return Response
* @throws FileNotFoundException
* @throws HttpNotFoundException
*/
public function download(Request $request, Response $response, string $userCode, string $mediaCode): Response
{
$media = $this->getMedia($userCode, $mediaCode);
if (!$media || !$media->published && $this->session->get('user_id') !== $media->user_id && !$this->session->get('admin', false)) {
throw new HttpNotFoundException($request);
}
return $this->streamMedia($request, $response, $this->storage, $media, 'attachment');
}
/**
* @param Request $request
* @param Response $response
* @param int $id
* @return Response
* @throws HttpNotFoundException
*/
public function togglePublish(Request $request, Response $response, int $id): Response
{
if ($this->session->get('admin')) {
$media = $this->database->query('SELECT * FROM `uploads` WHERE `id` = ? LIMIT 1', $id)->fetch();
} else {
$media = $this->database->query('SELECT * FROM `uploads` WHERE `id` = ? AND `user_id` = ? LIMIT 1', [$id, $this->session->get('user_id')])->fetch();
}
if (!$media) {
throw new HttpNotFoundException($request);
}
$this->database->query('UPDATE `uploads` SET `published`=? WHERE `id`=?', [$media->published ? 0 : 1, $media->id]);
return $response->withStatus(200);
}
/**
* @param Request $request
* @param Response $response
* @param int $id
* @return Response
* @throws HttpNotFoundException
* @throws HttpUnauthorizedException
*/
public function delete(Request $request, Response $response, int $id): Response
{
$media = $this->database->query('SELECT * FROM `uploads` WHERE `id` = ? LIMIT 1', $id)->fetch();
if (!$media) {
throw new HttpNotFoundException($request);
}
if ($this->session->get('admin', false) || $media->user_id === $this->session->get('user_id')) {
try {
$this->storage->delete($media->storage_path);
} catch (FileNotFoundException $e) {
throw new HttpNotFoundException($request);
} finally {
$this->database->query('DELETE FROM `uploads` WHERE `id` = ?', $id);
$this->logger->info('User '.$this->session->get('username').' deleted a media.', [$id]);
$this->session->set('used_space', humanFileSize($this->getUsedSpaceByUser($this->session->get('user_id'))));
}
} else {
throw new HttpUnauthorizedException($request);
}
return $response->withStatus(200);
}
/**
* @param $userCode
* @param $mediaCode
* @return mixed
*/
protected function getMedia($userCode, $mediaCode)
{
$mediaCode = pathinfo($mediaCode)['filename'];
$media = $this->database->query('SELECT `uploads`.*, `users`.*, `users`.`id` AS `userId`, `uploads`.`id` AS `mediaId` FROM `uploads` INNER JOIN `users` ON `uploads`.`user_id` = `users`.`id` WHERE `user_code` = ? AND `uploads`.`code` = ? LIMIT 1', [
$userCode,
$mediaCode,
])->fetch();
return $media;
}
/**
* @param Request $request
* @param Response $response
* @param Filesystem $storage
* @param $media
* @param string $disposition
* @return Response
* @throws FileNotFoundException
*/
protected function streamMedia(Request $request, Response $response, Filesystem $storage, $media, string $disposition = 'inline'): Response
{
set_time_limit(0);
$mime = $storage->getMimetype($media->storage_path);
if (param($request, 'width') !== null && explode('/', $mime)[0] === 'image') {
$image = Image::make($storage->readStream($media->storage_path))
->resizeCanvas(
param($request, 'width'),
param($request, 'height'),
'center')
->encode('png');
$response->getBody()->write($image);
return $response
->withHeader('Content-Type', 'image/png')
->withHeader('Content-Disposition', $disposition.';filename="scaled-'.pathinfo($media->filename)['filename'].'.png"');
} else {
$stream = new Stream($storage->readStream($media->storage_path));
if (!in_array(explode('/', $mime)[0], ['image', 'video', 'audio']) || $disposition === 'attachment') {
return $response->withHeader('Content-Type', $mime)
->withHeader('Content-Disposition', $disposition.'; filename="'.$media->filename.'"')
->withHeader('Content-Length', $stream->getSize())
->withBody($stream);
}
$end = $stream->getSize() - 1;
if (isset($request->getServerParams()['HTTP_RANGE'])) {
list(, $range) = explode('=', $request->getServerParams()['HTTP_RANGE'], 2);
if (strpos($range, ',') !== false) {
return $response->withHeader('Content-Type', $mime)
->withHeader('Content-Disposition', $disposition.'; filename="'.$media->filename.'"')
->withHeader('Content-Length', $stream->getSize())
->withHeader('Accept-Ranges', 'bytes')
->withHeader('Content-Range', "0,{$stream->getSize()}")
->withStatus(416)
->withBody($stream);
}
if ($range === '-') {
$start = $stream->getSize() - (int)substr($range, 1);
} else {
$range = explode('-', $range);
$start = (int)$range[0];
$end = (isset($range[1]) && is_numeric($range[1])) ? (int)$range[1] : $stream->getSize();
}
$end = ($end > $stream->getSize() - 1) ? $stream->getSize() - 1 : $end;
$stream->seek($start);
header("Content-Type: $mime");
header('Content-Length: '.($end - $start + 1));
header('Accept-Ranges: bytes');
header("Content-Range: bytes $start-$end/{$stream->getSize()}");
http_response_code(206);
ob_end_clean();
$buffer = 16348;
$readed = $start;
while ($readed < $end) {
if ($readed + $buffer > $end) {
$buffer = $end - $readed + 1;
}
echo $stream->read($buffer);
$readed += $buffer;
}
exit(0);
}
return $response->withHeader('Content-Type', $mime)
->withHeader('Content-Length', $stream->getSize())
->withHeader('Accept-Ranges', 'bytes')
->withStatus(200)
->withBody($stream);
}
}
}