Initiate Multipart Upload

  • 描述:大文件分片上传初始化接口
  • 注意:在初始化上传接口中要求必须进行用户认证,匿名用户无法使用该接口。在初始化上传时可以给定文件上传所需要的meta绑定信息,在后续的上传中该信息将被保留,并在最终完成时写入云存储系统。

  • 请求格式:

POST /<ObjectName>?uploads HTTP/1.1
Host: <Your-Bucket-Name>.s2.i.qingcdn.com
Date: <date>
Content-Type: <mime-type>
x-amz-meta-foo1: <value1> #自定义meta:foo1
x-amz-meta-foo2: <value2> #自定义meta:foo2
Authorization: <authorization string> #请参照《签名算法》
  • 响应:
HTTP/1.1 200 OK
Date: Tue, 08 Apr 2014 02:59:47 GMT
Connection: keep-alive
x-amz-request-id: 0000106c-1608-0810-4621-00163e000064
x-amz-s2-requester: <Your UserName>

<?xml version="1.0" encoding="UTF-8"?>
<InitiateMultipartUploadResult xmlns="http://s3.amazonaws.com/doc/2006-03-01/">
    <Bucket>your-bucket</Bucket>
    <Key>objectName</Key>
    <UploadId>VXBsb2FkIElEIGZvciA2aWWpbmcncyBteS1tb3ZpZS5tMnRzIHVwbG9hZA</UploadId>
</InitiateMultipartUploadResult>
  • Request Headers(请求头): 参考put_object

  • Response Body(响应XML Body):

    Name Description
    InitiateMultipartUploadResult 包含Bucket, Key和UploadId元素
    Bucket bucket name
    Key objectName
    UploadId 标识该分块上传的ID, 之后上传分片时需要携带该参数
  • 请求示例:

curl -v -X POST "Date: Sat, 20 Nov 2286 17:46:39 GMT" -H "Authorization: AWS <access_key>:<ssig>" "http://<Your-Bucket-Name>.s2.i.qingcdn.com/path/to/my/file.txt?uploads"

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