Ejemplo n.º 1
0
 public function uploadPartSecurely($args = array())
 {
     $uploadId = $args["Options"]["uploadId"];
     $isLastPart = FALSE;
     $blocksize = mcrypt_get_block_size(MCRYPT_RIJNDAEL_128, MCRYPT_MODE_CBC);
     if (isset($args["LastPart"])) {
         $isLastPart = $args["LastPart"];
     }
     $exists = EncryptionUtil::multipartUploadContextExists($uploadId);
     if (!$exists) {
         throw new Ks3ClientException("no such upload in cache/encryption/");
     }
     $context = EncryptionUtil::getMultipartUploadContext($uploadId);
     if ($context["lastPart"]) {
         throw new Ks3ClientException("this upload with uploadId " . $uploadId, " has been upload last part");
     }
     $plainTextLength = EncryptionUtil::plainTextLength($args);
     if ($plainTextLength <= 0) {
         throw new Ks3ClientException("get content length failed ,unexpected content length " . $plainTextLength);
     }
     if (!$isLastPart) {
         if ($plainTextLength % $blocksize != 0) {
             throw new Ks3ClientException("Invalid part size,part size (" . $plainTextLength . ") must be multiples of the block size " . $blocksize);
         }
     } else {
         $args["ObjectMeta"]["Content-Length"] = $plainTextLength + ($blocksize - $plainTextLength % $blocksize);
     }
     $readCallBack = new AESCBCStreamReadCallBack();
     $readCallBack->iv = base64_decode($context["nextIv"]);
     $readCallBack->cek = base64_decode($context["cek"]);
     $readCallBack->contentLength = $plainTextLength;
     $readCallBack->mutipartUpload = TRUE;
     $readCallBack->isLastPart = $isLastPart;
     $args["readCallBack"] = $readCallBack;
     $upResult = $this->ks3client->uploadPart($args);
     EncryptionUtil::updateMultipartUploadContext($uploadId, $readCallBack->iv, $isLastPart);
     return $upResult;
 }