{
			req: &http.Request{
				Header: http.Header{
					"Authorization": []string{"invalid-token"},
				},
			},
			expectedErr: errAuthentication,
		},
	}

	for i, testCase := range testCases {
		_, _, _, gotErr := metricsRequestAuthenticate(testCase.req)
		if testCase.expectedErr != gotErr {
			t.Errorf("Test %d, expected err %s, got %s", i+1, testCase.expectedErr, gotErr)
		}
	}
}

		HTTPStatusCode: http.StatusBadRequest,
	},
	ErrSTSInvalidParameterValue: {
		Code:           "InvalidParameterValue",
		Description:    "An invalid or out-of-range value was supplied for the input parameter.",
		HTTPStatusCode: http.StatusBadRequest,
	},
	ErrSTSWebIdentityExpiredToken: {
		Code:           "ExpiredToken",

	}
	return plaintext, nil
}

func (kms secretKey) DecryptAll(_ context.Context, keyID string, ciphertexts [][]byte, contexts []Context) ([][]byte, error) {
	plaintexts := make([][]byte, 0, len(ciphertexts))
	for i := range ciphertexts {
		plaintext, err := kms.DecryptKey(keyID, ciphertexts[i], contexts[i])
		if err != nil {
			return nil, err
		}
		plaintexts = append(plaintexts, plaintext)
	}
	return plaintexts, nil
}

	totalObjectSize, err := objInfo.GetActualSize()
	if err != nil {
		return err
	}

	if rs == nil && opts.PartNumber > 0 {
		rs = partNumberToRangeSpec(objInfo, opts.PartNumber)
	}

	// For providing ranged content
	start, rangeLen, err = rs.GetOffsetLength(totalObjectSize)
	if err != nil {
		return err
	}

	// Set content length.
	w.Header().Set(xhttp.ContentLength, strconv.FormatInt(rangeLen, 10))