fix: fixes invalid/expired x-amz-object-lock-retain-until-date errors

Fixes #1733
Fixes #1734

The `x-amz-object-lock-retain-until-date` request header appears in the `PutObject`, `CopyObject`, and `CreateMultipartUpload` operations. This PR fixes the two types of error codes and messages returned when the header value is invalid or expired and adds the corresponding integration tests.

s3api/utils/utils.go

@@ -355,7 +355,7 @@ func ParsObjectLockHdrs(ctx *fiber.Ctx) (*objLockCfg, error) {
 		rDate, err := time.Parse(time.RFC3339, objLockDate)
 		if err != nil {
 			debuglogger.Logf("failed to parse retain until date: %v\n", err)
-			return nil, s3err.GetAPIError(s3err.ErrInvalidRequest)
+			return nil, s3err.GetAPIError(s3err.ErrInvalidRetainUntilDate)
 		}
 		if rDate.Before(time.Now()) {
 			debuglogger.Logf("expired retain until date: %v\n", rDate.Format(time.RFC3339))

s3err/s3err.go

@@ -141,6 +141,7 @@ const (
 	ErrInvalidBucketObjectLockConfiguration
 	ErrObjectLockConfigurationNotAllowed
 	ErrObjectLocked
+	ErrInvalidRetainUntilDate
 	ErrPastObjectLockRetainDate
 	ErrObjectLockInvalidRetentionPeriod
 	ErrInvalidLegalHoldStatus
@@ -613,9 +614,14 @@ var errorCodeResponse = map[ErrorCode]APIError{
 		Description:    "Access Denied because object protected by object lock.",
 		HTTPStatusCode: http.StatusForbidden,
 	},
+	ErrInvalidRetainUntilDate: {
+		Code:           "InvalidArgument",
+		Description:    "The retain until date must be provided in ISO 8601 format",
+		HTTPStatusCode: http.StatusBadRequest,
+	},
 	ErrPastObjectLockRetainDate: {
-		Code:           "InvalidRequest",
-		Description:    "the retain until date must be in the future.",
+		Code:           "InvalidArgument",
+		Description:    "The retain until date must be in the future!",
 		HTTPStatusCode: http.StatusBadRequest,
 	},
 	ErrObjectLockInvalidRetentionPeriod: {

tests/integration/PutObject.go

@@ -18,6 +18,7 @@ import (
 	"bytes"
 	"context"
 	"fmt"
+	"net/http"
 	"strings"
 	"time"
 
@@ -299,6 +300,52 @@ func PutObject_invalid_object_lock_mode(s *S3Conf) error {
 	}, withLock())
 }
 
+func PutObject_past_retain_until_date(s *S3Conf) error {
+	testName := "PutObject_past_retain_until_date"
+	return actionHandler(s, testName, func(s3client *s3.Client, bucket string) error {
+		rDate := time.Now().AddDate(-1, 0, 0)
+		_, err := putObjectWithData(10, &s3.PutObjectInput{
+			Bucket:                    &bucket,
+			Key:                       getPtr("my-object"),
+			ObjectLockMode:            types.ObjectLockModeGovernance,
+			ObjectLockRetainUntilDate: &rDate,
+		}, s3client)
+
+		return checkApiErr(err, s3err.GetAPIError(s3err.ErrPastObjectLockRetainDate))
+	}, withLock())
+}
+
+func PutObject_invalid_retain_until_date(s *S3Conf) error {
+	testName := "PutObject_invalid_retain_until_date"
+	return actionHandler(s, testName, func(s3client *s3.Client, bucket string) error {
+		req, err := createSignedReq(
+			http.MethodPut,
+			s.endpoint,
+			fmt.Sprintf("%s/my-object", bucket),
+			s.awsID,
+			s.awsSecret,
+			"s3",
+			s.awsRegion,
+			nil,
+			time.Now(),
+			map[string]string{
+				"x-amz-object-lock-retain-until-date": "invalid_date",
+				"x-amz-object-lock-mode":              "GOVERNANCE",
+			},
+		)
+		if err != nil {
+			return err
+		}
+
+		resp, err := s.httpClient.Do(req)
+		if err != nil {
+			return err
+		}
+
+		return checkHTTPResponseApiErr(resp, s3err.GetAPIError(s3err.ErrInvalidRetainUntilDate))
+	}, withLock())
+}
+
 func PutObject_conditional_writes(s *S3Conf) error {
 	testName := "PutObject_conditional_writes"
 	return actionHandler(s, testName, func(s3client *s3.Client, bucket string) error {

tests/integration/group-tests.go

@@ -165,6 +165,8 @@ func TestPutObject(ts *TestState) {
 	ts.Run(PutObject_with_object_lock)
 	ts.Run(PutObject_invalid_legal_hold)
 	ts.Run(PutObject_invalid_object_lock_mode)
+	ts.Run(PutObject_past_retain_until_date)
+	ts.Run(PutObject_invalid_retain_until_date)
 	ts.Run(PutObject_conditional_writes)
 	//TODO: remove the condition after implementing checksums in azure
 	if !ts.conf.azureTests {
@@ -1194,6 +1196,8 @@ func GetIntTests() IntTests {
 		"PutObject_with_object_lock":                                               PutObject_with_object_lock,
 		"PutObject_invalid_legal_hold":                                             PutObject_invalid_legal_hold,
 		"PutObject_invalid_object_lock_mode":                                       PutObject_invalid_object_lock_mode,
+		"PutObject_past_retain_until_date":                                         PutObject_past_retain_until_date,
+		"PutObject_invalid_retain_until_date":                                      PutObject_invalid_retain_until_date,
 		"PutObject_conditional_writes":                                             PutObject_conditional_writes,
 		"PutObject_with_metadata":                                                  PutObject_with_metadata,
 		"PutObject_invalid_credentials":                                            PutObject_invalid_credentials,