• S3 Object Changes

Changes to Get Object

Returns an object with the specified name from the specified bucket. By default, returns the latest version of the object. The versionID can be specified to retrieve a particular version of an object.

ECS also enables a specified byte range, or multiple specified byte ranges to be downloaded.

Request Header Changes

Range	optional	Sets the range of bytes from the object to be returned. To download multiple byte ranges use bytes=<start>-<end>, <start>-<end>, for example: bytes==4-8, 41-44.
If-Modified-Since	optional	Ensures the object is returned only if it has been MODIFIED since the specified time. 304(not modified) HTTP Response code is returned otherwise
If-Unmodified-Since	optional	Ensures the object is returned only if it has NOT been MODIFIED since the specified time. 412(precondition failed) HTTP Response Code is returned otherwise
If-Match	optional	Used to indicate that the object should be returned only if its entity tag(ETag) is the SAME as this header value. 412(precondition failed) HTTP Response Code is returned otherwise
If-None-Match	optional	Used to indicate that the object should be returned only if its entity tag is NOT the SAME as this header value. 304(not modified) HTTP Response code is returned otherwise