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<?php declare(strict_types=1); |
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/** |
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* ownCloud - Music app |
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* |
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* This file is licensed under the Affero General Public License version 3 or |
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* later. See the COPYING file. |
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* |
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* @author Pauli Järvinen <[email protected]> |
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* @copyright Pauli Järvinen 2021 |
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*/ |
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namespace OCA\Music\Http; |
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use OCP\AppFramework\Http\ICallbackResponse; |
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use OCP\AppFramework\Http\IOutput; |
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use OCP\AppFramework\Http\Response; |
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use OCP\AppFramework\Http; |
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/** |
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* A renderer for files |
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*/ |
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class FileStreamResponse extends Response implements ICallbackResponse { |
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private $file; |
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private $start; |
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private $end; |
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/** |
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* @param \OCP\Files\File $file file |
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*/ |
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public function __construct($file) { |
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$this->file = $file; |
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$mime = $file->getMimetype(); |
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$size = $file->getSize(); |
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$this->addHeader('Content-type', "$mime; charset=utf-8"); |
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if (isset($_SERVER['HTTP_RANGE'])) { |
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// Note that we do not support Range Header of the type |
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// bytes=x-y,z-w |
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if (!\preg_match('/^bytes=\d*-\d*$/', $_SERVER['HTTP_RANGE'])) { |
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$this->addHeader('Content-Range', 'bytes */' . $size); |
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$this->setStatus(Http::STATUS_REQUEST_RANGE_NOT_SATISFIABLE); |
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} else { |
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$parts = \explode('-', \substr($_SERVER['HTTP_RANGE'], 6)); |
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$this->start = $parts[0] != '' ? (int)$parts[0] : 0; |
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$this->end = $parts[1] != '' ? (int)$parts[1] : $size - 1; |
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$this->end = \min($this->end, $size - 1); |
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if ($this->start > $this->end) { |
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$this->addHeader('Content-Range', 'bytes */' . $size); |
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$this->setStatus(Http::STATUS_REQUEST_RANGE_NOT_SATISFIABLE); |
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} else { |
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$this->addHeader('Accept-Ranges', 'bytes'); |
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$this->addHeader( |
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'Content-Range', 'bytes ' . |
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$this->start . '-' . |
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$this->end . '/' . $size |
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); |
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$this->setStatus(Http::STATUS_PARTIAL_CONTENT); |
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} |
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} |
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} else { |
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$this->start = 0; |
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$this->end = $size - 1; |
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$this->setStatus(Http::STATUS_OK); |
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} |
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} |
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public function callback(IOutput $output) { |
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$status = $this->getStatus(); |
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if ($status === Http::STATUS_OK || $status === Http::STATUS_PARTIAL_CONTENT) { |
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$fp = $this->file->fopen('r') ?? null; |
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if (!is_resource($fp)) { |
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$status = Http::STATUS_NOT_FOUND; |
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} else { |
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if ($this->streamDataToOutput($fp) === false) { |
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$status = Http::STATUS_BAD_REQUEST; |
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} |
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\fclose($fp); |
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} |
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} |
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$output->setHttpResponseCode($status); |
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} |
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private function streamDataToOutput($fp) { |
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// Request Range Not Satisfiable |
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if (!isset($this->start) || !isset($this->end) || $this->start > $this->end) { |
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return false; |
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} else { |
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$outputStream = \fopen('php://output', 'w'); |
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$length = $this->end - $this->start + 1; |
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$bytesCopied = stream_copy_to_stream($fp, $outputStream, $length, $this->start); |
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\fclose($outputStream); |
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return ($bytesCopied > 0); |
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} |
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} |
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} |
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owncloud /
music
