HeadObject
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HeadObject
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Available in Classic and VPC
View object headers based on the specified headers. No request query parameter or request body is used in the operation.
Requests
The following describes the request format for the endpoint. The request format is as follows.
| Method | URI |
|---|---|
| HEAD | /{bucket-name}/{object-name} |
Request syntax
The request syntax is as follows.
HEAD https://{endpoint}/{bucket-name}/{object-name} # path style
HEAD https://{bucket-name}.{endpoint}/{object-name} # virtual host style
Request headers
The following describes the HeadObject header. For headers common to all Object Storage APIs, see Object Storage common request headers.
| Field | Type | Required | Description |
|---|---|---|---|
range | String | Optional | Return the size of the object in bytes within a specified range |
if-match | String | Optional | Return the object if the specified ETag string matches the source object |
if-none-match | String | Optional | Return the object if the specified ETag string is different from the source object |
if-unmodified-since | String | Optional | Return the object if the source object hasn't been edited since the specified date
|
if-modified-since | String | Optional | Return the object if the source object was edited after the specified date
|
Request path parameters
The following describes the parameters.
| Field | Type | Required | Description |
|---|---|---|---|
bucket-name | String | Required | Name of the bucket to view object headers in |
object-name | String | Required | Name of the object whose headers you want to view |
Request example
The following is a sample request.
HEAD /example-bucket/soldier-bee HTTP/1.1
Authorization: {authorization-string}
x-amz-date: 20160825T183244Z
Host: kr.object.ncloudstorage.com
Responses
The following describes the response format.
Response headers
For response headers common to all Object Storage APIs, see Object Storage common response headers.
Response status codes
For response status codes common to all Object Storage APIs, see Object Storage response status codes.
Response example
The following is a sample response.
HTTP/1.1 200 OK
Date: Thu, 25 Aug 2016 18:32:44 GMT
Accept-Ranges: bytes
x-amz-request-id: da214d69-1999-4461-a130-81ba33c484a6
ETag: "37d4c94839ee181a2224d6242176c4b5"
Content-Type: text/plain; charset=UTF-8
Last-Modified: Thu, 25 Aug 2016 17:49:06 GMT
Content-Length: 11
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