public function cache(RequestInterface $request, Response $response)
{
$currentTime = time();
$ttl = $request->getParams()->get('cache.override_ttl') ?: $response->getMaxAge() ?: $this->defaultTtl;
if ($cacheControl = $response->getHeader('Cache-Control')) {
$stale = $cacheControl->getDirective('stale-if-error');
$ttl += $stale == true ? $ttl : $stale;
}
// Determine which manifest key should be used
$key = $this->getCacheKey($request);
$persistedRequest = $this->persistHeaders($request);
$entries = array();
if ($manifest = $this->cache->fetch($key)) {
// Determine which cache entries should still be in the cache
$vary = $response->getVary();
foreach (unserialize($manifest) as $entry) {
// Check if the entry is expired
if ($entry[4] < $currentTime) {
continue;
}
$entry[1]['vary'] = isset($entry[1]['vary']) ? $entry[1]['vary'] : '';
if ($vary != $entry[1]['vary'] || !$this->requestsMatch($vary, $entry[0], $persistedRequest)) {
$entries[] = $entry;
}
}
}
// Persist the response body if needed
$bodyDigest = null;
if ($response->getBody() && $response->getBody()->getContentLength() > 0) {
$bodyDigest = $this->getBodyKey($request->getUrl(), $response->getBody());
$this->cache->save($bodyDigest, (string) $response->getBody(), $ttl);
}
array_unshift($entries, array($persistedRequest, $this->persistHeaders($response), $response->getStatusCode(), $bodyDigest, $currentTime + $ttl));
$this->cache->save($key, serialize($entries));
}
/**
* {@inheritdoc}
*/
public function parse(RequestInterface $request, Response $response)
{
$data = array('code' => null, 'message' => null, 'type' => $response->isClientError() ? 'client' : 'server', 'request_id' => null, 'parsed' => null);
if ($body = $response->getBody(true)) {
$this->parseBody(new \SimpleXMLElement($body), $data);
} else {
$this->parseHeaders($request, $response, $data);
}
return $data;
}
/**
* {@inheritdoc}
*/
public function parse(RequestInterface $request, Response $response)
{
// Build array of default error data
$data = array('code' => null, 'message' => null, 'type' => $response->isClientError() ? 'client' : 'server', 'request_id' => (string) $response->getHeader('x-amzn-RequestId'), 'parsed' => null);
// Parse the json and normalize key casings
if (null !== ($json = json_decode($response->getBody(true), true))) {
$data['parsed'] = array_change_key_case($json);
}
// Do additional, protocol-specific parsing and return the result
$data = $this->doParse($data, $response);
// Remove "Fault" suffix from exception names
if (isset($data['code']) && strpos($data['code'], 'Fault')) {
$data['code'] = preg_replace('/^([a-zA-Z]+)Fault$/', '$1', $data['code']);
}
return $data;
}
/**
* {@inheritdoc}
*/
protected function getDelay($retries, RequestInterface $request, Response $response = null, HttpException $e = null)
{
if ($response && $response->getStatusCode() == 400 && strpos($response->getBody(), self::ERR)) {
return true;
}
}
public function visit(CommandInterface $command, Response $response, Parameter $param, &$value, $context = null)
{
$value[$param->getName()] = $param->filter($response->getBody());
}
/**
* Returns a formatted message
*
* @param RequestInterface $request Request that was sent
* @param Response $response Response that was received
* @param CurlHandle $handle Curl handle associated with the message
* @param array $customData Associative array of custom template data
*
* @return string
*/
public function format(RequestInterface $request, Response $response = null, CurlHandle $handle = null, array $customData = array())
{
$cache = $customData;
return preg_replace_callback('/{\\s*([A-Za-z_\\-\\.0-9]+)\\s*}/', function (array $matches) use($request, $response, $handle, &$cache) {
if (array_key_exists($matches[1], $cache)) {
return $cache[$matches[1]];
}
$result = '';
switch ($matches[1]) {
case 'request':
$result = (string) $request;
break;
case 'response':
$result = (string) $response;
break;
case 'req_body':
$result = $request instanceof EntityEnclosingRequestInterface ? (string) $request->getBody() : '';
break;
case 'res_body':
$result = $response ? $response->getBody(true) : '';
break;
case 'ts':
$result = gmdate('c');
break;
case 'method':
$result = $request->getMethod();
break;
case 'url':
$result = (string) $request->getUrl();
break;
case 'resource':
$result = $request->getResource();
break;
case 'protocol':
$result = 'HTTP';
break;
case 'version':
$result = $request->getProtocolVersion();
break;
case 'host':
$result = $request->getHost();
break;
case 'hostname':
$result = gethostname();
break;
case 'port':
$result = $request->getPort();
break;
case 'code':
$result = $response ? $response->getStatusCode() : '';
break;
case 'phrase':
$result = $response ? $response->getReasonPhrase() : '';
break;
case 'connect_time':
$result = $handle && $handle->getInfo(CURLINFO_CONNECT_TIME) ? $handle->getInfo(CURLINFO_CONNECT_TIME) : ($response ? $response->getInfo('connect_time') : '');
break;
case 'total_time':
$result = $handle && $handle->getInfo(CURLINFO_TOTAL_TIME) ? $handle->getInfo(CURLINFO_TOTAL_TIME) : ($response ? $response->getInfo('total_time') : '');
break;
case 'curl_error':
$result = $handle ? $handle->getError() : '';
break;
case 'curl_code':
$result = $handle ? $handle->getErrorNo() : '';
break;
case 'curl_stderr':
$result = $handle ? $handle->getStderr() : '';
break;
default:
if (strpos($matches[1], 'req_header_') === 0) {
$result = $request->getHeader(substr($matches[1], 11));
} elseif ($response && strpos($matches[1], 'res_header_') === 0) {
$result = $response->getHeader(substr($matches[1], 11));
}
}
$cache[$matches[1]] = $result;
return $result;
}, $this->template);
}
