/**
* @param StreamInterface $stream
* @param null|string $mimeType
* @param ServerRequestInterface|null $request not used yet.
*/
public static function returnStream(StreamInterface $stream, $mimeType = null, ServerRequestInterface $request = null)
{
header('Accept-Ranges: bytes');
if (!is_null($mimeType)) {
header('Content-Type: ' . $mimeType);
}
try {
$ranges = StreamRange::createFromRequest($stream, $request);
$contentLength = 0;
if (!empty($ranges)) {
header('HTTP/1.1 206 Partial Content');
foreach ($ranges as $range) {
$contentLength += $range->getLastPos() - $range->getFirstPos() + 1;
}
//@todo Content-Range for multiple ranges?
header('Content-Range: bytes ' . $ranges[0]->getFirstPos() . '-' . $ranges[0]->getLastPos() . '/' . $stream->getSize());
} else {
$contentLength = $stream->getSize();
header('HTTP/1.1 200 OK');
}
header("Content-Length: " . $contentLength);
if (empty($ranges)) {
while (!$stream->eof()) {
echo $stream->read(self::BYTES_BY_CYCLE);
}
} else {
foreach ($ranges as $range) {
$pos = $range->getFirstPos();
$stream->seek($pos);
while ($pos <= $range->getLastPos()) {
$length = min($range->getLastPos() - $pos + 1, self::BYTES_BY_CYCLE);
echo $stream->read($length);
$pos += $length;
}
}
}
} catch (StreamRangeException $e) {
header('HTTP/1.1 416 Requested Range Not Satisfiable');
}
}
/**
* @dataProvider rangesProvider
*/
public function testConstruct($stream, $rangeValue, $first, $last)
{
$range = new StreamRange($stream, $rangeValue);
$this->assertEquals($first, $range->getFirstPos());
$this->assertEquals($last, $range->getLastPos());
}
