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<?php |
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/** |
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* This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony). |
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* |
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* Copyright (C) 2019 - 2020 Jan Böhmer (https://github.com/jbtronics) |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU Affero General Public License as published |
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* by the Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU Affero General Public License for more details. |
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* |
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* You should have received a copy of the GNU Affero General Public License |
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* along with this program. If not, see <https://www.gnu.org/licenses/>. |
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*/ |
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namespace App\Helpers; |
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use Symfony\Component\HttpFoundation\BinaryFileResponse; |
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use Symfony\Component\HttpFoundation\File\File; |
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use Symfony\Component\HttpFoundation\Request; |
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use Symfony\Component\HttpFoundation\Response; |
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class LabelResponse extends Response |
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{ |
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public function __construct($content = '', int $status = 200, array $headers = []) |
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{ |
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parent::__construct($content, $status, $headers); |
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} |
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public function setContent($content) |
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{ |
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parent::setContent($content); |
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$this->setAutoEtag(); |
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$this->setAutoLastModified(); |
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return $this; |
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} |
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public function prepare(Request $request) |
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{ |
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parent::prepare($request); |
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$this->headers->set('Content-Type','application/pdf'); |
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if ('HTTP/1.0' !== $request->server->get('SERVER_PROTOCOL')) { |
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$this->setProtocolVersion('1.1'); |
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} |
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$this->ensureIEOverSSLCompatibility($request); |
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return $this; |
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} |
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/** |
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* Automatically sets the Last-Modified header according the file modification date. |
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*/ |
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public function setAutoLastModified() |
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{ |
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$this->setLastModified(new \DateTime()); |
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return $this; |
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} |
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/** |
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* Automatically sets the ETag header according to the checksum of the file. |
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*/ |
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public function setAutoEtag() |
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{ |
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$this->setEtag(base64_encode(hash('sha256', $this->content, true))); |
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return $this; |
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} |
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/** |
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* Sets the Content-Disposition header with the given filename. |
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* |
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* @param string $disposition ResponseHeaderBag::DISPOSITION_INLINE or ResponseHeaderBag::DISPOSITION_ATTACHMENT |
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* @param string $filename Optionally use this UTF-8 encoded filename instead of the real name of the file |
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* @param string $filenameFallback A fallback filename, containing only ASCII characters. Defaults to an automatically encoded filename |
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* |
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* @return $this |
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*/ |
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public function setContentDisposition($disposition, $filename, $filenameFallback = '') |
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{ |
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if ('' === $filenameFallback && (!preg_match('/^[\x20-\x7e]*$/', $filename) || false !== strpos($filename, '%'))) { |
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$encoding = mb_detect_encoding($filename, null, true) ?: '8bit'; |
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for ($i = 0, $filenameLength = mb_strlen($filename, $encoding); $i < $filenameLength; ++$i) { |
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$char = mb_substr($filename, $i, 1, $encoding); |
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if ('%' === $char || \ord($char) < 32 || \ord($char) > 126) { |
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$filenameFallback .= '_'; |
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} else { |
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$filenameFallback .= $char; |
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} |
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} |
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} |
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$dispositionHeader = $this->headers->makeDisposition($disposition, $filename, $filenameFallback); |
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$this->headers->set('Content-Disposition', $dispositionHeader); |
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return $this; |
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} |
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} |
Part-DB /
Part-DB-symfony
