public function sign(Ks3Request $request, $args = array())
{
$args = $args["args"];
$contentmd5 = "";
if (isset($args["ObjectMeta"][Headers::$ContentMd5])) {
$contentmd5 = $args["ObjectMeta"][Headers::$ContentMd5];
}
if (empty($contentmd5)) {
$body = $request->body;
if (!empty($body)) {
$length = $request->getHeader(Headers::$ContentLength);
if (empty($length)) {
if (isset($args["ObjectMeta"][Headers::$ContentLength])) {
$length = $args["ObjectMeta"][Headers::$ContentLength];
}
}
if (!empty($length)) {
$body = substr($body, 0, $length);
}
$contentmd5 = Utils::hex_to_base64(md5($body));
}
}
if (!empty($contentmd5)) {
$request->addHeader(Headers::$ContentMd5, $contentmd5);
}
}
