/**
* @param RequestInterface|EntityEnclosingRequestInterface $request
* @param Credentials $credentials
*/
public function signRequest($request, $credentials)
{
$request->setHeader('X-HMB-Signature-Method', self::DEFAULT_METHOD);
$request->setHeader('X-HMB-Signature-Version', self::DEFAULT_SIGN_VERSION);
$request->setHeader('X-HMB-TimeStamp', time());
$contentMd5 = $request instanceof EntityEnclosingRequestInterface ? md5($request->getBody()) : '';
if ($contentMd5) {
$request->setHeader('Content-MD5', $contentMd5);
}
$sign = array();
$sign[] = strtoupper($request->getMethod());
$sign[] = $request->getHost();
if ($request->getHeader('Content-MD5')) {
$sign[] = $request->getHeader('Content-MD5');
}
if ($request->getHeader('Content-Type')) {
$sign[] = $request->getHeader('Content-Type');
}
$sign[] = $request->getHeader('X-HMB-Signature-Method');
$sign[] = $request->getHeader('X-HMB-Signature-Version');
$sign[] = $request->getHeader('X-HMB-TimeStamp');
if ($request->getHeader('X-HMB-User-Session-Token')) {
$sign[] = $request->getHeader('X-HMB-User-Session-Token');
}
$sign[] = $request->getQuery(true) ? $request->getPath() . '?' . $request->getQuery(true) : $request->getPath();
$signature = base64_encode(hash_hmac(strtolower($request->getHeader('X-HMB-Signature-Method')), implode("\n", $sign), $credentials->getSecret()));
$request->setHeader('Authorization', sprintf('%s %s:%s', self::AUTHORIZATION_SCHME, $credentials->getKey(), $signature));
}
protected function addExpectHeader(EntityEnclosingRequestInterface $request, EntityBodyInterface $body, $expect)
{
if ($expect === false) {
$request->removeHeader('Expect');
} elseif ($expect !== true) {
$expect = $expect ?: 1048576;
if (is_numeric($expect) && $body->getSize()) {
if ($body->getSize() < $expect) {
$request->removeHeader('Expect');
} else {
$request->setHeader('Expect', '100-Continue');
}
}
}
}
/**
* Add the appropriate expect header to a request
*
* @param EntityEnclosingRequestInterface $request Request to update
* @param EntityBodyInterface $body Entity body of the request
* @param string|int $expect Expect header setting
*/
protected function addExpectHeader(EntityEnclosingRequestInterface $request, EntityBodyInterface $body, $expect)
{
// Allow the `expect` data parameter to be set to remove the Expect header from the request
if ($expect === false) {
$request->removeHeader('Expect');
} elseif ($expect !== true) {
// Default to using a MB as the point in which to start using the expect header
$expect = $expect ?: 1048576;
// If the expect_header value is numeric then only add if the size is greater than the cutoff
if (is_numeric($expect) && $body->getSize()) {
if ($body->getSize() < $expect) {
$request->removeHeader('Expect');
} else {
$request->setHeader('Expect', '100-Continue');
}
}
}
}
