public function parseResponse(Google_HttpRequest $response)
{
$contentType = $response->getResponseHeader('content-type');
$contentType = explode(';', $contentType);
$boundary = false;
foreach ($contentType as $part) {
$part = explode('=', $part, 2);
if (isset($part[0]) && 'boundary' == trim($part[0])) {
$boundary = $part[1];
}
}
$body = $response->getResponseBody();
if ($body) {
$body = str_replace("--{$boundary}--", "--{$boundary}", $body);
$parts = explode("--{$boundary}", $body);
$responses = array();
foreach ($parts as $part) {
$part = trim($part);
if (!empty($part)) {
list($metaHeaders, $part) = explode("\r\n\r\n", $part, 2);
$metaHeaders = Google_CurlIO::parseResponseHeaders($metaHeaders);
$status = substr($part, 0, strpos($part, "\n"));
$status = explode(" ", $status);
$status = $status[1];
list($partHeaders, $partBody) = Google_CurlIO::parseHttpResponse($part, false);
$response = new Google_HttpRequest("");
$response->setResponseHttpCode($status);
$response->setResponseHeaders($partHeaders);
$response->setResponseBody($partBody);
$response = Google_REST::decodeHttpResponse($response);
// Need content id.
$responses[$metaHeaders['content-id']] = $response;
}
}
return $responses;
}
return null;
}
/**
* @static
* @param Google_HttpRequest $resp
* @return bool True if the HTTP response is considered to be expired.
* False if it is considered to be fresh.
*/
public static function isExpired(Google_HttpRequest $resp)
{
// HTTP/1.1 clients and caches MUST treat other invalid date formats,
// especially including the value “0”, as in the past.
$parsedExpires = false;
$responseHeaders = $resp->getResponseHeaders();
if (isset($responseHeaders['expires'])) {
$rawExpires = $responseHeaders['expires'];
// Check for a malformed expires header first.
if (empty($rawExpires) || is_numeric($rawExpires) && $rawExpires <= 0) {
return true;
}
// See if we can parse the expires header.
$parsedExpires = strtotime($rawExpires);
if (false == $parsedExpires || $parsedExpires <= 0) {
return true;
}
}
// Calculate the freshness of an http response.
$freshnessLifetime = false;
$cacheControl = $resp->getParsedCacheControl();
if (isset($cacheControl['max-age'])) {
$freshnessLifetime = $cacheControl['max-age'];
}
$rawDate = $resp->getResponseHeader('date');
$parsedDate = strtotime($rawDate);
if (empty($rawDate) || false == $parsedDate) {
$parsedDate = time();
}
if (false == $freshnessLifetime && isset($responseHeaders['expires'])) {
$freshnessLifetime = $parsedExpires - $parsedDate;
}
if (false == $freshnessLifetime) {
return true;
}
// Calculate the age of an http response.
$age = max(0, time() - $parsedDate);
if (isset($responseHeaders['age'])) {
$age = max($age, strtotime($responseHeaders['age']));
}
return $freshnessLifetime <= $age;
}