Function applyAutoChecksum

checksum.go:515–537

(opts *PutObjectOptions, allParts []ObjectPart)

}

func applyAutoChecksum(opts *PutObjectOptions, allParts []ObjectPart) {
	if !opts.AutoChecksum.IsSet() {
		return
	}
	if opts.AutoChecksum.CanComposite() && !opts.AutoChecksum.Is(ChecksumFullObject) {
		// Add composite hash of hashes.
		crc, err := opts.AutoChecksum.CompositeChecksum(allParts)
		if err == nil {
			opts.UserMetadata = map[string]string{
				opts.AutoChecksum.Key(): crc.Encoded(),
				amzChecksumMode:         ChecksumCompositeMode.String(),
			}
		}
	} else if opts.AutoChecksum.CanMergeCRC() {
		crc, err := opts.AutoChecksum.FullObjectChecksum(allParts)
		if err == nil {
			opts.UserMetadata = map[string]string{
				opts.AutoChecksum.Key(): crc.Encoded(),
				amzChecksumMode:         ChecksumFullObjectMode.String(),
			}
		}
	}
}