Object Storage Service:WriteGetObjectResponse

Header

Type

Required

Example

Description

Host

String

Yes

****-opap.oss-cn-qingdao-internal.oss-object-process.aliyuncs.com

The router forwarding address obtained from the event parameter of Function Compute.

Date

String

Yes

Tue, 31 Oct 2023 03:17:58 GMT

The time when the request was initiated. The time is in GMT specified by HTTP 1.1.

Authorization

String

Yes

OSS lkojgn8y1exic6e:6****+BuuEqzI1tAMW0wgIyl****

The authentication information used to verify the validity of the request. For more information about how to calculate the Authorization header, see Include signatures in the Authorization header.

x-oss-request-route

String

Yes

****-opap.oss-cn-qingdao-internal.oss-object-process.aliyuncs.com

The router forwarding address obtained from the event parameter of Function Compute.

x-oss-request-token

String

Yes

OSSV1#ZvBDC3XPm3g****

The unique forwarding token obtained from the event parameter of Function Compute.

x-oss-fwd-status

String

Yes

200

The HTTP status code returned by the backend server.

Valid values: 200, 206, 301, 302, 303, 304, 400, 401, 403, 404, 405, 409, 411, 412, 416, 500, and 503.

x-oss-fwd-header-Accept-Ranges

String

No

bytes

The HTTP response header returned by the backend server. It is used to specify the scope of the resources that you want to query.

x-oss-fwd-header-Cache-Control

String

No

no-cache

The HTTP response header returned by the backend server. It is used to specify the resource cache method that the client uses. Valid values:

• no-cache: Each time you access a cached object, the server checks whether the object is updated. If the object is updated, the cache expires. The object must be downloaded from the server again. If the object is not updated, the cache does not expire, and you can directly use the cached object.

• no-store: All content of the object is not cached.

• public: All content of the object is cached.

• private: All content of the object is cached only on the client.

• max-age=<seconds>: the validity period of the cached content. Unit: seconds. This option is available only in HTTP 1.1.

x-oss-fwd-header-Content-Disposition

String

No

attachment

The HTTP response header returned by the backend server. It is used to specify the name of the object to download and whether and how the object is downloaded. Valid values:

• Content-Disposition:inline: The object is previewed.

• Content-Disposition:attachment: The object is downloaded to the specified path in the browser with the original object name.

• Content-Disposition:attachment; filename="yourFileName": The object is downloaded to the specified path in the browser with a custom name.

  yourFileName specifies the custom name of the downloaded object, such as example.jpg.

x-oss-fwd-header-Content-Encoding

String

No

gzip

The HTTP response header returned by the backend server. It is used to specify the compression and encoding method of the downloaded object. Valid values:

• identity (default): OSS does not compress or encode the object.

• gzip: OSS uses the LZ77 compression algorithm created by Lempel and Ziv in 1977 and 32-bit cyclic redundancy check (CRC) to encode the object.

• compress: OSS uses the Lempel–Ziv–Welch (LZW) compression algorithm to encode the object.

• deflate: OSS uses the zlib library and the deflate algorithm to encode the object.

• br: OSS uses the Brotli algorithm to encode the object.

x-oss-fwd-header-Content-Language

String

No

en

The HTTP response header returned by the backend server. It is used to specify the language of the downloaded object.

Content-Length

String

Yes

67589

The HTTP response header returned by the backend server. It is used to specify the size of the HTTP message body. Unit: bytes.

x-oss-fwd-header-Content-Range

String

No

bytes 0-9/67589

The HTTP response header returned by the backend server. It is used to specify the range of the object that you want to query. For example, if the Content-Range header is set to bytes 0-9/67589, the size of the entire object is 67589 and the content of the first 10 bytes (0 to 9) is returned.

x-oss-fwd-header-Content-Type

String

No

text/html; charset=utf-8

The HTTP response header returned by the backend server. It is used to specify the type of the received or sent data.

x-oss-fwd-header-ETag

String

No

D41D8CD98F00B204E9800998ECF8****

The HTTP response header returned by the backend server. It uniquely identifies the object.

x-oss-fwd-header-Expires

String

No

Fri, 10 Nov 2023 03:17:58 GMT

The HTTP response header returned by the backend server. It specifies the absolute expiration time of the cache.

x-oss-fwd-header-Last-Modified

String

No

Tue, 10 Oct 2023 03:17:58 GMT

The HTTP response header returned by the backend server. It specifies the time when the requested resource was last modified.