/**
* Calculate a hash of a Stream
*
* @param StreamInterface $stream Stream to calculate the hash for
* @param string $algo Hash algorithm (e.g. md5, crc32, etc)
* @param bool $rawOutput Whether or not to use raw output
*
* @return bool|string Returns false on failure or a hash string on success
*/
public static function getHash(StreamInterface $stream, $algo, $rawOutput = false)
{
$pos = $stream->ftell();
if (!$stream->seek(0)) {
return false;
}
$ctx = hash_init($algo);
while ($data = $stream->read(8192)) {
hash_update($ctx, $data);
}
$out = hash_final($ctx, (bool) $rawOutput);
$stream->seek($pos);
return $out;
}
/**
* Send HTTP response headers and body
*
* @return \Slim\Interfaces\Http\Response Self
* @api
*/
public function send()
{
// Send headers
if (headers_sent() === false) {
if (strpos(PHP_SAPI, 'cgi') === 0) {
header(sprintf('Status: %s', $this->getReasonPhrase()));
} else {
header(sprintf('%s %s', $this->getProtocolVersion(), $this->getReasonPhrase()));
}
foreach ($this->headers as $name => $value) {
foreach ($value as $hVal) {
header("{$name}: {$hVal}", false);
}
}
}
// Send body
$this->body->seek(0);
while ($this->body->feof() === false) {
echo $this->body->read(1024);
}
return $this;
}
/**
* Constructor
*
* @param \Slim\Interfaces\EnvironmentInterface $env
* @param \Slim\Interfaces\Http\HeadersInterface $headers
* @param \Slim\Interfaces\Http\CookiesInterface $cookies
* @param string $body
* @api
*/
public function __construct(EnvironmentInterface $env, HeadersInterface $headers, CookiesInterface $cookies, $body = null)
{
$this->env = $env;
$this->headers = $headers;
$this->cookies = $cookies;
$this->bodyRaw = new \Guzzle\Stream\Stream(fopen('php://temp', 'r+'));
if (is_string($body) === true) {
$this->bodyRaw->write($body);
}
$this->bodyRaw->seek(0);
}
/**
* {@inheritdoc}
*/
protected function doRewind()
{
return $this->stream->seek(0);
}
/**
* {@inheritdoc}
*/
protected function doSeek($offset, $whence)
{
return $this->stream->seek($offset, $whence);
}
