/**
* Check if an HTTP request can be cached by a private local cache.
*
* @static
* @param displetretsidx_Google_HttpRequest $resp
* @return bool True if the request is cacheable.
* False if the request is uncacheable.
*/
public static function isRequestCacheable(displetretsidx_Google_HttpRequest $resp)
{
$method = $resp->getRequestMethod();
if (!in_array($method, self::$CACHEABLE_HTTP_METHODS)) {
return false;
}
// Don't cache authorized requests/responses.
// [rfc2616-14.8] When a shared cache receives a request containing an
// Authorization field, it MUST NOT return the corresponding response
// as a reply to any other request...
if ($resp->getRequestHeader("authorization")) {
return false;
}
return true;
}
/**
* @visible for testing
* Process an http request that contains an enclosed entity.
* @param displetretsidx_Google_HttpRequest $request
* @return displetretsidx_Google_HttpRequest Processed request with the enclosed entity.
*/
public function processEntityRequest(displetretsidx_Google_HttpRequest $request)
{
$postBody = $request->getPostBody();
$contentType = $request->getRequestHeader("content-type");
// Set the default content-type as application/x-www-form-urlencoded.
if (false == $contentType) {
$contentType = self::FORM_URLENCODED;
$request->setRequestHeaders(array('content-type' => $contentType));
}
// Force the payload to match the content-type asserted in the header.
if ($contentType == self::FORM_URLENCODED && is_array($postBody)) {
$postBody = http_build_query($postBody, '', '&');
$request->setPostBody($postBody);
}
// Make sure the content-length header is set.
if (!$postBody || is_string($postBody)) {
$postsLength = strlen($postBody);
$request->setRequestHeaders(array('content-length' => $postsLength));
}
return $request;
}
