433 lines
15 KiB
PHP
433 lines
15 KiB
PHP
<?php
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namespace App\Controllers;
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use App\Database\Queries\UserQuery;
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use GuzzleHttp\Psr7\Stream;
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use Intervention\Image\Constraint;
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use Intervention\Image\ImageManagerStatic as Image;
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use League\Flysystem\FileNotFoundException;
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use League\Flysystem\Filesystem;
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use Psr\Http\Message\ResponseInterface as Response;
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use Psr\Http\Message\ServerRequestInterface as Request;
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use Slim\Exception\HttpBadRequestException;
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use Slim\Exception\HttpNotFoundException;
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use Slim\Exception\HttpUnauthorizedException;
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class MediaController extends Controller
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{
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/**
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* @param Request $request
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* @param Response $response
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* @param string $userCode
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* @param string $mediaCode
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* @param string|null $token
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*
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* @return Response
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* @throws HttpNotFoundException
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* @throws \Twig\Error\LoaderError
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* @throws \Twig\Error\RuntimeError
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* @throws \Twig\Error\SyntaxError
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* @throws FileNotFoundException
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*
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*/
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public function show(Request $request, Response $response, string $userCode, string $mediaCode, string $token = null): Response
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{
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$media = $this->getMedia($userCode, $mediaCode, true);
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if (!$media || (!$media->published && $this->session->get('user_id') !== $media->user_id && !$this->session->get('admin', false))) {
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throw new HttpNotFoundException($request);
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}
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$filesystem = $this->storage;
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if (isBot($request->getHeaderLine('User-Agent'))) {
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return $this->streamMedia($request, $response, $filesystem, $media);
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}
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try {
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$media->mimetype = $filesystem->getMimetype($media->storage_path);
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$size = $filesystem->getSize($media->storage_path);
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$type = explode('/', $media->mimetype)[0];
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if ($type === 'image' && !isDisplayableImage($media->mimetype)) {
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$type = 'application';
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$media->mimetype = 'application/octet-stream';
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}
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if ($type === 'text') {
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if ($size <= (200 * 1024)) { // less than 200 KB
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$media->text = $filesystem->read($media->storage_path);
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} else {
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$type = 'application';
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$media->mimetype = 'application/octet-stream';
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}
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}
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$media->size = humanFileSize($size);
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} catch (FileNotFoundException $e) {
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throw new HttpNotFoundException($request);
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}
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return view()->render($response, 'upload/public.twig', [
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'delete_token' => $token,
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'media' => $media,
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'type' => $type,
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'url' => urlFor("/{$userCode}/{$mediaCode}"),
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'copy_url_behavior' => $this->getSetting('copy_url_behavior', 'off'),
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]);
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}
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/**
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* @param Request $request
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* @param Response $response
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* @param int $id
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*
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* @return Response
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* @throws HttpNotFoundException
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*
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* @throws FileNotFoundException
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*/
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public function getRawById(Request $request, Response $response, int $id): Response
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{
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$media = $this->database->query('SELECT * FROM `uploads` WHERE `id` = ? LIMIT 1', $id)->fetch();
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if (!$media) {
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throw new HttpNotFoundException($request);
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}
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return $this->streamMedia($request, $response, $this->storage, $media);
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}
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/**
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* @param Request $request
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* @param Response $response
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* @param string $userCode
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* @param string $mediaCode
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* @param string|null $ext
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*
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* @return Response
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* @throws HttpBadRequestException
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* @throws HttpNotFoundException
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*
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* @throws FileNotFoundException
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*/
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public function getRaw(Request $request, Response $response, string $userCode, string $mediaCode, ?string $ext = null): Response
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{
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$media = $this->getMedia($userCode, $mediaCode, false);
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if (!$media || !$media->published && $this->session->get('user_id') !== $media->user_id && !$this->session->get('admin', false)) {
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throw new HttpNotFoundException($request);
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}
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if ($ext !== null && pathinfo($media->filename, PATHINFO_EXTENSION) !== $ext) {
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throw new HttpBadRequestException($request);
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}
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// If contains html, return it as text/plain
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if (strpos($this->storage->getMimetype($media->storage_path), 'text/htm') !== false) {
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$response = $this->streamMedia($request, $response, $this->storage, $media);
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return $response->withHeader('Content-Type', 'text/plain');
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}
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return $this->streamMedia($request, $response, $this->storage, $media);
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}
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/**
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* @param Request $request
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* @param Response $response
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* @param string $userCode
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* @param string $mediaCode
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*
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* @return Response
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* @throws HttpNotFoundException
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*
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* @throws FileNotFoundException
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*/
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public function download(Request $request, Response $response, string $userCode, string $mediaCode): Response
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{
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$media = $this->getMedia($userCode, $mediaCode, false);
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if (!$media || !$media->published && $this->session->get('user_id') !== $media->user_id && !$this->session->get('admin', false)) {
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throw new HttpNotFoundException($request);
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}
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return $this->streamMedia($request, $response, $this->storage, $media, 'attachment');
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}
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/**
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* @param Request $request
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* @param Response $response
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* @param int $id
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*
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* @return Response
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* @throws HttpNotFoundException
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*
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*/
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public function togglePublish(Request $request, Response $response, int $id): Response
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{
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if ($this->session->get('admin')) {
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$media = $this->database->query('SELECT * FROM `uploads` WHERE `id` = ? LIMIT 1', $id)->fetch();
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} else {
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$media = $this->database->query('SELECT * FROM `uploads` WHERE `id` = ? AND `user_id` = ? LIMIT 1', [$id, $this->session->get('user_id')])->fetch();
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}
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if (!$media) {
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throw new HttpNotFoundException($request);
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}
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$this->database->query('UPDATE `uploads` SET `published`=? WHERE `id`=?', [$media->published ? 0 : 1, $media->id]);
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return $response;
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}
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/**
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* @param Request $request
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* @param Response $response
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* @param int $id
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*
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* @return Response
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* @throws HttpNotFoundException
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* @throws HttpUnauthorizedException
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*/
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public function delete(Request $request, Response $response, int $id): Response
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{
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$media = $this->database->query('SELECT * FROM `uploads` WHERE `id` = ? LIMIT 1', $id)->fetch();
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if (!$media) {
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throw new HttpNotFoundException($request);
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}
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if ($this->session->get('admin', false) || $media->user_id === $this->session->get('user_id')) {
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$this->deleteMedia($request, $media->storage_path, $id, $media->user_id);
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$this->logger->info('User '.$this->session->get('username').' deleted a media.', [$id]);
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if ($media->user_id === $this->session->get('user_id')) {
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$user = make(UserQuery::class)->get($request, $media->user_id, true);
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$this->setSessionQuotaInfo($user->current_disk_quota, $user->max_disk_quota);
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}
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} else {
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throw new HttpUnauthorizedException($request);
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}
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if ($request->getMethod() === 'GET') {
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return redirect($response, route('home'));
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}
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return $response;
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}
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/**
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* @param Request $request
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* @param Response $response
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* @param string $userCode
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* @param string $mediaCode
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* @param string $token
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*
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* @return Response
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* @throws HttpUnauthorizedException
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*
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* @throws HttpNotFoundException
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*/
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public function deleteByToken(Request $request, Response $response, string $userCode, string $mediaCode, string $token): Response
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{
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$media = $this->getMedia($userCode, $mediaCode, false);
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if (!$media) {
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throw new HttpNotFoundException($request);
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}
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$user = $this->database->query('SELECT `id`, `active` FROM `users` WHERE `token` = ? LIMIT 1', $token)->fetch();
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if (!$user) {
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$this->session->alert(lang('token_not_found'), 'danger');
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return redirect($response, $request->getHeaderLine('Referer'));
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}
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if (!$user->active) {
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$this->session->alert(lang('account_disabled'), 'danger');
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return redirect($response, $request->getHeaderLine('Referer'));
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}
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if ($this->session->get('admin', false) || $user->id === $media->user_id) {
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$this->deleteMedia($request, $media->storage_path, $media->mediaId, $user->id);
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$this->logger->info('User '.$user->username.' deleted a media via token.', [$media->mediaId]);
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} else {
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throw new HttpUnauthorizedException($request);
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}
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return redirect($response, route('home'));
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}
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/**
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* @param Request $request
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* @param string $storagePath
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* @param int $id
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*
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* @param int $userId
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* @return void
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* @throws HttpNotFoundException
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*/
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protected function deleteMedia(Request $request, string $storagePath, int $id, int $userId)
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{
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try {
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$size = $this->storage->getSize($storagePath);
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$this->storage->delete($storagePath);
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$this->updateUserQuota($request, $userId, $size, true);
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} catch (FileNotFoundException $e) {
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throw new HttpNotFoundException($request);
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} finally {
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$this->database->query('DELETE FROM `uploads` WHERE `id` = ?', $id);
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$this->database->query('DELETE FROM `tags` WHERE `tags`.`id` NOT IN (SELECT `uploads_tags`.`tag_id` FROM `uploads_tags`)');
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}
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}
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/**
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* @param $userCode
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* @param $mediaCode
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*
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* @param bool $withTags
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* @return mixed
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*/
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protected function getMedia($userCode, $mediaCode, $withTags = false)
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{
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$mediaCode = pathinfo($mediaCode)['filename'];
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$media = $this->database->query('SELECT `uploads`.*, `users`.*, `users`.`id` AS `userId`, `uploads`.`id` AS `mediaId` FROM `uploads` INNER JOIN `users` ON `uploads`.`user_id` = `users`.`id` WHERE `user_code` = ? AND `uploads`.`code` = ? LIMIT 1', [
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$userCode,
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$mediaCode,
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])->fetch();
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if (!$withTags || !$media) {
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return $media;
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}
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$media->tags = [];
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foreach ($this->database->query('SELECT `tags`.`id`, `tags`.`name` FROM `uploads_tags` INNER JOIN `tags` ON `uploads_tags`.`tag_id` = `tags`.`id` WHERE `uploads_tags`.`upload_id` = ?', $media->mediaId) as $tag) {
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$media->tags[$tag->id] = $tag->name;
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}
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return $media;
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}
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/**
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* @param Request $request
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* @param Response $response
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* @param Filesystem $storage
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* @param $media
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* @param string $disposition
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*
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* @return Response
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* @throws FileNotFoundException
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*
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*/
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protected function streamMedia(Request $request, Response $response, Filesystem $storage, $media, string $disposition = 'inline'): Response
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{
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set_time_limit(0);
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$this->session->close();
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$mime = $storage->getMimetype($media->storage_path);
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if ((param($request, 'width') !== null || param($request, 'height') !== null) && explode('/', $mime)[0] === 'image') {
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return $this->makeThumbnail($storage, $media, param($request, 'width'), param($request, 'height'), $disposition);
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} else {
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$stream = new Stream($storage->readStream($media->storage_path));
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if (!in_array(explode('/', $mime)[0], ['image', 'video', 'audio']) || $disposition === 'attachment') {
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return $response->withHeader('Content-Type', $mime)
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->withHeader('Content-Disposition', $disposition.'; filename="'.$media->filename.'"')
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->withHeader('Content-Length', $stream->getSize())
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->withBody($stream);
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}
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if (isset($request->getServerParams()['HTTP_RANGE'])) {
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return $this->handlePartialRequest($response, $stream, $request->getServerParams()['HTTP_RANGE'], $disposition, $media, $mime);
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}
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return $response->withHeader('Content-Type', $mime)
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->withHeader('Content-Length', $stream->getSize())
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->withHeader('Accept-Ranges', 'bytes')
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->withBody($stream);
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}
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}
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/**
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* @param Filesystem $storage
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* @param $media
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* @param null $width
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* @param null $height
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* @param string $disposition
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*
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* @return Response
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* @throws FileNotFoundException
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*
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*/
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protected function makeThumbnail(Filesystem $storage, $media, $width = null, $height = null, string $disposition = 'inline')
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{
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return Image::make($storage->readStream($media->storage_path))
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->resize($width, $height, function (Constraint $constraint) {
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$constraint->aspectRatio();
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})
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->resizeCanvas($width, $height, 'center')
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->psrResponse('png')
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->withHeader('Content-Disposition', $disposition.';filename="scaled-'.pathinfo($media->filename, PATHINFO_FILENAME).'.png"');
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}
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/**
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* @param Response $response
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* @param Stream $stream
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* @param string $range
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* @param string $disposition
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* @param $media
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* @param $mime
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*
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* @return Response
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*/
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protected function handlePartialRequest(Response $response, Stream $stream, string $range, string $disposition, $media, $mime)
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{
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$end = $stream->getSize() - 1;
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[, $range] = explode('=', $range, 2);
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if (strpos($range, ',') !== false) {
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return $response->withHeader('Content-Type', $mime)
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->withHeader('Content-Disposition', $disposition.'; filename="'.$media->filename.'"')
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->withHeader('Content-Length', $stream->getSize())
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->withHeader('Accept-Ranges', 'bytes')
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->withHeader('Content-Range', "0,{$stream->getSize()}")
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->withStatus(416)
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->withBody($stream);
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}
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if ($range === '-') {
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$start = $stream->getSize() - (int) substr($range, 1);
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} else {
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$range = explode('-', $range);
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$start = (int) $range[0];
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$end = (isset($range[1]) && is_numeric($range[1])) ? (int) $range[1] : $stream->getSize();
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}
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$end = ($end > $stream->getSize() - 1) ? $stream->getSize() - 1 : $end;
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$stream->seek($start);
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header("Content-Type: $mime");
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header('Content-Length: '.($end - $start + 1));
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header('Accept-Ranges: bytes');
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header("Content-Range: bytes $start-$end/{$stream->getSize()}");
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http_response_code(206);
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ob_end_clean();
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$buffer = 16348;
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$readed = $start;
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while ($readed < $end) {
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if ($readed + $buffer > $end) {
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$buffer = $end - $readed + 1;
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}
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echo $stream->read($buffer);
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$readed += $buffer;
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}
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exit(0);
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}
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}
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