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<?php
namespace Http\Message\Formatter;
use Http\Message\Formatter;
use Psr\Http\Message\RequestInterface;
use Psr\Http\Message\ResponseInterface;
/**
* A formatter that prints a cURL command for HTTP requests.
*
* @author Tobias Nyholm <tobias.nyholm@gmail.com>
*/
class CurlCommandFormatter implements Formatter
{
/**
* {@inheritdoc}
*/
public function formatRequest(RequestInterface $request)
{
$command = sprintf('curl %s', escapeshellarg((string) $request->getUri()->withFragment('')));
if ($request->getProtocolVersion() === '1.0') {
$command .= ' --http1.0';
} elseif ($request->getProtocolVersion() === '2.0') {
$command .= ' --http2';
}
$method = strtoupper($request->getMethod());
if ('HEAD' === $method) {
$command .= ' --head';
} elseif ('GET' !== $method) {
$command .= ' --request '.$method;
}
$command .= $this->getHeadersAsCommandOptions($request);
$body = $request->getBody();
if ($body->getSize() > 0) {
if (!$body->isSeekable()) {
return 'Cant format Request as cUrl command if body stream is not seekable.';
}
$command .= sprintf(' --data %s', escapeshellarg($body->__toString()));
$body->rewind();
}
return $command;
}
/**
* {@inheritdoc}
*/
public function formatResponse(ResponseInterface $response)
{
return '';
}
/**
* @param RequestInterface $request
*
* @return string
*/
private function getHeadersAsCommandOptions(RequestInterface $request)
{
$command = '';
foreach ($request->getHeaders() as $name => $values) {
if ('host' === strtolower($name) && $values[0] === $request->getUri()->getHost()) {
continue;
}
if ('user-agent' === strtolower($name)) {
$command .= sprintf(' -A %s', escapeshellarg($values[0]));
continue;
}
$command .= sprintf(' -H %s', escapeshellarg($name.': '.$request->getHeaderLine($name)));
}
return $command;
}
}
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