public function send(ResponseInterface $response)
{
http_response_code($response->getStatusCode());
foreach ($response->getHeaders() as $header => $values) {
foreach ($values as $value) {
header($header . ':' . $value, false);
}
}
Psr7\copy_to_stream($response->getBody(), $this->environment->getStdOut());
}
public function testStopsCopyToSteamWhenReadFailsWithMaxLen()
{
$s1 = Psr7\stream_for('foobaz');
$s1 = FnStream::decorate($s1, ['read' => function () {
return '';
}]);
$s2 = Psr7\stream_for('');
Psr7\copy_to_stream($s1, $s2, 10);
$this->assertEquals('', (string) $s2);
}
protected function createPart($seekable, $number)
{
// Initialize the array of part data that will be returned.
$data = ['PartNumber' => $number];
// Read from the source to create the body stream.
if ($seekable) {
// Case 1: Source is seekable, use lazy stream to defer work.
$body = $this->limitPartStream(new Psr7\LazyOpenStream($this->source->getMetadata('uri'), 'r'));
} else {
// Case 2: Stream is not seekable; must store in temp stream.
$source = $this->limitPartStream($this->source);
$source = $this->decorateWithHashes($source, $data);
$body = Psr7\stream_for();
Psr7\copy_to_stream($source, $body);
$data['ContentLength'] = $body->getSize();
}
// Do not create a part if the body size is zero.
if ($body->getSize() === 0) {
return false;
}
$body->seek(0);
$data['Body'] = $body;
return $data;
}
/**
* Drains the source stream into the "sink" client option.
*
* @param StreamInterface $source
* @param StreamInterface $sink
*
* @return StreamInterface
* @throws \RuntimeException when the sink option is invalid.
*/
private function drain(StreamInterface $source, StreamInterface $sink)
{
Psr7\copy_to_stream($source, $sink);
$sink->seek(0);
$source->close();
return $sink;
}
/**
* Determines if the body should be uploaded using PutObject or the
* Multipart Upload System. It also modifies the passed-in $body as needed
* to support the upload.
*
* @param StreamInterface $body Stream representing the body.
* @param integer $threshold Minimum bytes before using Multipart.
*
* @return bool
*/
private function requiresMultipart(StreamInterface &$body, $threshold)
{
// If body size known, compare to threshold to determine if Multipart.
if ($body->getSize() !== null) {
return $body->getSize() >= $threshold;
}
// Handle the situation where the body size is unknown.
// Read up to 5MB into a buffer to determine how to upload the body.
$buffer = Psr7\stream_for();
Psr7\copy_to_stream($body, $buffer, MultipartUploader::PART_MIN_SIZE);
// If body < 5MB, use PutObject with the buffer.
if ($buffer->getSize() < MultipartUploader::PART_MIN_SIZE) {
$buffer->seek(0);
$body = $buffer;
return false;
}
// If body >= 5 MB, then use multipart. [YES]
if ($body->isSeekable()) {
// If the body is seekable, just rewind the body.
$body->seek(0);
} else {
// If the body is non-seekable, stitch the rewind the buffer and
// the partially read body together into one stream. This avoids
// unnecessary disc usage and does not require seeking on the
// original stream.
$buffer->seek(0);
$body = new Psr7\AppendStream([$buffer, $body]);
}
return true;
}
protected function createPart($seekable, $number)
{
$data = [];
$firstByte = $this->source->tell();
// Read from the source to create the body stream. This also
// calculates the linear and tree hashes as the data is read.
if ($seekable) {
// Case 1: Stream is seekable, can make stream from new handle.
$body = Psr7\try_fopen($this->source->getMetadata('uri'), 'r');
$body = $this->limitPartStream(Psr7\stream_for($body));
// Create another stream decorated with hashing streams and read
// through it, so we can get the hash values for the part.
$decoratedBody = $this->decorateWithHashes($body, $data);
while (!$decoratedBody->eof()) {
$decoratedBody->read(1048576);
}
// Seek the original source forward to the end of the range.
$this->source->seek($this->source->tell() + $body->getSize());
} else {
// Case 2: Stream is not seekable, must store part in temp stream.
$source = $this->limitPartStream($this->source);
$source = $this->decorateWithHashes($source, $data);
$body = Psr7\stream_for();
Psr7\copy_to_stream($source, $body);
}
// Do not create a part if the body size is zero.
if ($body->getSize() === 0) {
return false;
}
$body->seek(0);
$data['body'] = $body;
$lastByte = $this->source->tell() - 1;
$data['range'] = "bytes {$firstByte}-{$lastByte}/*";
return $data;
}
/**
* Drains the source stream into the "sink" client option.
*
* @param StreamInterface $source
* @param StreamInterface $sink
* @param string $contentLength Header specifying the amount of
* data to read.
*
* @return StreamInterface
* @throws \RuntimeException when the sink option is invalid.
*/
private function drain(StreamInterface $source, StreamInterface $sink, $contentLength)
{
// If a content-length header is provided, then stop reading once
// that number of bytes has been read. This can prevent infinitely
// reading from a stream when dealing with servers that do not honor
// Connection: Close headers.
Psr7\copy_to_stream($source, $sink, strlen($contentLength) > 0 && (int) $contentLength > 0 ? (int) $contentLength : -1);
$sink->seek(0);
$source->close();
return $sink;
}
/**
* Download an object to a specified location.
*
* Example:
* ```
* $object->downloadToFile('my-file.txt');
* ```
*
* @param string $path Path to download file to.
* @param array $options [optional] Configuration Options.
* @return StreamInterface
*/
public function downloadToFile($path, array $options = [])
{
$destination = Psr7\stream_for(fopen($path, 'w'));
Psr7\copy_to_stream($this->connection->downloadObject($options + $this->identity), $destination);
$destination->seek(0);
return $destination;
}
