public function sign($body)
{
$contentType = 'application/octet-stream';
$headers = new Header();
$headers->put('Authorization', 'Odps 93475345628');
$headers->put('Content-Type', $contentType);
$headers->put('Content-MD5', md5($body));
$headers->put('Date', gmdate('D, d M Y H:i:s T', time()));
$headers->formatRaw();
// echo $headers->getRaw();
// $response = $request->request($parameters, $headers->getRaw());
// var_dump($request);
// var_dump($response);
// Signature = base64(HmacSha1(AccessKey, VERB + "\n"
// + CONTENT-MD5 + "\n"
// + CONTENT-TYPE + "\n"
// + DATE + "\n"
// + CanonicalizedODPSHeaders + "\n"
// + CanonicalizedResource))
//
// POST /projects/test_project/resources HTTP/1.1
// Authorization: ODPS 12CF3450006BF789F103:z7/QmEf7ZZYABY6S7GSrfSjltv8=
// Content-MD5: e5828c564f71fea3a12dde8bd5d27063
// Content-Type: application/octet-stream
// Date: Thu, 26 Nov 2015 08:56:57 GMT
// Host: http://service-corp.odps.aliyun-inc.com/api
// x-odps-resource-name: test.file
// x-odps-resource-type: file
$string = md5('body') + "\n";
$string .= $contentType + "\n";
$string .= gmdate('D, d M Y H:i:s T', time()) + "\n";
// $string .=
$signature = base64_encode(hash_hmac("sha1", $this->accessKey, $string, true));
return "ODPS" . $this->accessId . $signature;
}
