/**
* @param $request
* @return array
*/
public function getCachingHeaders(Request $request)
{
if (strcasecmp($request->getMethod(), 'GET') !== 0) {
//We only cache GET requests.
return [];
}
$headers = [];
$cacheFilename = $this->calculateRequestFilename($request);
$cachedResponse = $this->getCachedResponse($cacheFilename);
if ($cachedResponse != null) {
/** @var $cachedResponse \Amp\Artax\Response */
if ($cachedResponse->hasHeader('ETag')) {
$etagValues = $cachedResponse->getHeader('ETag');
foreach ($etagValues as $value) {
$headers['If-None-Match'] = $value;
//@TODO - are multiple 'if-none-match headers allowed?
}
}
if ($cachedResponse->hasHeader('Last-Modified')) {
$ifModifiedValues = $cachedResponse->getHeader('Last-Modified');
foreach ($ifModifiedValues as $value) {
$headers['If-Modified-Since'] = $value;
}
}
}
return $headers;
}
public static function fromRequest(Request $request)
{
$commandLines = [];
$commandLines[] = "curl -i";
$commandLines[] = "-X " . $request->getMethod() . "";
//curl -i -H "Accept: application/json" -H "Content-Type: application/json" http://hostname/resource
$headers = $request->getAllHeaders();
foreach ($headers as $name => $values) {
foreach ($values as $value) {
$commandLines[] = sprintf('-H "%s: %s"', $name, $value);
}
}
$body = $request->getBody();
if ($body !== null) {
$commandLines[] = '-d "' . addslashes($body) . '"';
}
$commandLines[] = $request->getUri();
return implode(" \\\n", $commandLines);
}
/**
* @TODO Send absolute URIs in the request line when using a proxy server
* Right now this doesn't matter because all proxy requests use a CONNECT
* tunnel but this likely will not always be the case.
*/
private function generateRawRequestHeaders(Request $request)
{
$uri = $request->getUri();
$uri = new Uri($uri);
$requestUri = $uri->getPath() ?: '/';
if ($query = $uri->getQuery()) {
$requestUri .= '?' . $query;
}
$str = $request->getMethod() . ' ' . $requestUri . ' HTTP/' . $request->getProtocol() . "\r\n";
foreach ($request->getAllHeaders() as $field => $valueArr) {
foreach ($valueArr as $value) {
$str .= "{$field}: {$value}\r\n";
}
}
$str .= "\r\n";
return $str;
}
public function testGetAndSetMethod()
{
$request = new Request();
$request->setMethod('GET');
$this->assertEquals('GET', $request->getMethod());
}
