ListObjects: Filter lifecycle expired objects (#14606)

For ListObjects and ListObjectsV2 perform lifecycle checks on 
all objects before returning. This will filter out objects that are 
pending lifecycle expiration.

Bonus: Cheaper server pool conflict resolution by not converting to FileInfo.

cmd/erasure-server-pool.go

@@ -33,6 +33,7 @@ import (
 	"github.com/minio/madmin-go"
 	"github.com/minio/minio-go/v7/pkg/set"
 	"github.com/minio/minio-go/v7/pkg/tags"
+	"github.com/minio/minio/internal/bucket/lifecycle"
 	"github.com/minio/minio/internal/config/storageclass"
 	"github.com/minio/minio/internal/logger"
 	"github.com/minio/minio/internal/sync/errgroup"
@@ -1152,6 +1153,14 @@ func maxKeysPlusOne(maxKeys int, addOne bool) int {
 func (z *erasureServerPools) ListObjects(ctx context.Context, bucket, prefix, marker, delimiter string, maxKeys int) (ListObjectsInfo, error) {
 	var loi ListObjectsInfo
 
+	// Automatically remove the object/version is an expiry lifecycle rule can be applied
+	lc, _ := globalLifecycleSys.Get(bucket)
+	if lc != nil {
+		if !lc.HasActiveRules(prefix, true) {
+			lc = nil
+		}
+	}
+
 	if len(prefix) > 0 && maxKeys == 1 && delimiter == "" && marker == "" {
 		// Optimization for certain applications like
 		// - Cohesity
@@ -1162,6 +1171,13 @@ func (z *erasureServerPools) ListObjects(ctx context.Context, bucket, prefix, ma
 		// to avoid the need for ListObjects().
 		objInfo, err := z.GetObjectInfo(ctx, bucket, prefix, ObjectOptions{NoLock: true})
 		if err == nil {
+			if lc != nil {
+				action := evalActionFromLifecycle(ctx, *lc, objInfo, false)
+				switch action {
+				case lifecycle.DeleteVersionAction, lifecycle.DeleteAction:
+					return loi, nil
+				}
+			}
 			loi.Objects = append(loi.Objects, objInfo)
 			return loi, nil
 		}
@@ -1176,6 +1192,7 @@ func (z *erasureServerPools) ListObjects(ctx context.Context, bucket, prefix, ma
 		InclDeleted: false,
 		AskDisks:    globalAPIConfig.getListQuorum(),
 	}
+
 	merged, err := z.listPath(ctx, &opts)
 	if err != nil && err != io.EOF {
 		if !isErrBucketNotFound(err) {