Operation can retrieve Object from OSS, and you must have READ permission to the Object. If the Object permission is Public and Read, then Object can be retrieved without signature verification.
Note: Data pull assignment via x-amz-customize-back-source-url and x-amz-customize-back-source-param headers is supported; when the object is downloading after assignment, URL data provided by the request header will be pulled and returned to the user.
GET /ObjectName HTTP/1.1 Host: <bucket>.s3.<region>.jcloudcs.com Date: <date> Authorization: <authorization string> (see Authenticating Requests (AWS Signature Version4)) Range:bytes=<byte_range>
No Request Parameters
Except sharing request Header, the operation can be implemented by the following request Header with the size not exceeding 8KB.
| Name | Description | Must |
|---|---|---|
| Range | Specify byte range to download ObjectObject Type: String Default: None Constraints: None |
No |
| If-Modified-Since | If Object is modified after specified time, the Object will be returned, otherwise 304 (not modified) will be returned Type: String Default: None Constraints: None |
No |
| If-Unmodified-Since | If Object is not modified after specified time, the Object will be returned, otherwise 412 (precondition failed) will be returned. Type: String Default: None Constraints: None |
No |
| If-Match | If the ETag is consistent with the specified ETag, the Object will be returned, otherwise 412 (precondition failed) will be returned. Type: String Default: None Constraints: None |
No |
| IF-None-Match | If the ETag is inconsistent with the specified ETag, the Object will be returned, otherwise 304 (not modified) will be returned. Type: String Default: None Constraints: None |
No |
| x-amz-customize-back-source-url | Back-to-origin address, supporting format such as http://www.example.com:1000/path. Type: String Default: None |
No |
| x-amz-customize-back-source-param | json character string of base64 code. Set parameters with images back-to-origin. Type: String Default: None |
No |
Note:
| Name | Description |
|---|---|
| x-amz-storage-class | Provide storage type information of Object. In the case of non-standard storage, OSS will return the Header |
| x-amz-restore | Restoration information and replica life cycle of the object |
No Response Element
GET /my-image.jpg HTTP/1.1 Host: oss-example.s3.<region>.jcloudcs.com Date: Mon, 3 Oct 2016 22:32:00 GMT Authorization: <authorization string>
HTTP/1.1 200 OK x-amz-request-id: 318BC8BC148832E5 Date: Mon, 3 Oct 2016 22:32:00 GMT Last-Modified: Wed, 12 Oct 2009 17:50:00 GMT ETag: "fba9dede5f27731c9771645a39863328" Content-Length: 434234 [434234 bytes of object data]