[#800] node: eACL -> APE converter

Signed-off-by: Dmitrii Stepanov <d.stepanov@yadro.com>

cmd/frostfs-cli/modules/util/ape.go

@@ -6,6 +6,7 @@ import (
 	"strings"
 
 	policyengine "git.frostfs.info/TrueCloudLab/policy-engine"
+	nativeschema "git.frostfs.info/TrueCloudLab/policy-engine/schema/native"
 	"github.com/flynn-archive/go-shlex"
 )
 
@@ -65,7 +66,7 @@ func parseRuleLexemes(r *policyengine.Rule, lexemes []string) error {
 		return err
 	}
 
-	r.Action, err = parseAction(lexemes[1])
+	r.Actions, err = parseAction(lexemes[1])
 	if err != nil {
 		return err
 	}
@@ -75,7 +76,7 @@ func parseRuleLexemes(r *policyengine.Rule, lexemes []string) error {
 		return err
 	}
 
-	r.Resource, err = parseResource(lexemes[len(lexemes)-1])
+	r.Resources, err = parseResource(lexemes[len(lexemes)-1])
 	return err
 }
 
@@ -100,41 +101,42 @@ func parseStatus(lexeme string) (policyengine.Status, error) {
 	}
 }
 
-func parseAction(lexeme string) ([]string, error) {
+func parseAction(lexeme string) (policyengine.Actions, error) {
 	switch strings.ToLower(lexeme) {
 	case "object.put":
-		return []string{"native:PutObject"}, nil
+		return policyengine.Actions{Names: []string{nativeschema.MethodPutObject}}, nil
 	case "object.get":
-		return []string{"native:GetObject"}, nil
+		return policyengine.Actions{Names: []string{nativeschema.MethodGetObject}}, nil
 	case "object.head":
-		return []string{"native:HeadObject"}, nil
+		return policyengine.Actions{Names: []string{nativeschema.MethodHeadObject}}, nil
 	case "object.delete":
-		return []string{"native:DeleteObject"}, nil
+		return policyengine.Actions{Names: []string{nativeschema.MethodDeleteObject}}, nil
 	case "object.search":
-		return []string{"native:SearchObject"}, nil
+		return policyengine.Actions{Names: []string{nativeschema.MethodSearchObject}}, nil
 	case "object.range":
-		return []string{"native:RangeObject"}, nil
+		return policyengine.Actions{Names: []string{nativeschema.MethodRangeObject}}, nil
 	case "object.hash":
-		return []string{"native:HashObject"}, nil
+		return policyengine.Actions{Names: []string{nativeschema.MethodHashObject}}, nil
 	default:
 	}
-	return nil, fmt.Errorf("%w: %s", errUnknownOperation, lexeme)
+	return policyengine.Actions{}, fmt.Errorf("%w: %s", errUnknownOperation, lexeme)
 }
 
-func parseResource(lexeme string) ([]string, error) {
+func parseResource(lexeme string) (policyengine.Resources, error) {
-	return []string{fmt.Sprintf("native:::object/%s", lexeme)}, nil
+	if lexeme == "*" {
+		return policyengine.Resources{Names: []string{nativeschema.ResourceFormatRootObjects}}, nil
+	}
+	return policyengine.Resources{Names: []string{fmt.Sprintf(nativeschema.ResourceFormatRootContainerObjects, lexeme)}}, nil
 }
 
 const (
 	ObjectResource = "object.resource"
 	ObjectRequest  = "object.request"
-	ObjectActor    = "object.actor"
 )
 
 var typeToCondObject = map[string]policyengine.ObjectType{
 	ObjectResource: policyengine.ObjectResource,
 	ObjectRequest:  policyengine.ObjectRequest,
-	ObjectActor:    policyengine.ObjectActor,
 }
 
 func parseConditions(lexemes []string) ([]policyengine.Condition, error) {

cmd/frostfs-cli/modules/util/ape_test.go

@@ -4,6 +4,7 @@ import (
 	"testing"
 
 	policyengine "git.frostfs.info/TrueCloudLab/policy-engine"
+	nativeschema "git.frostfs.info/TrueCloudLab/policy-engine/schema/native"
 	"github.com/stretchr/testify/require"
 )
 
@@ -19,8 +20,8 @@ func TestParseAPERule(t *testing.T) {
 			rule: "allow Object.Put *",
 			expectRule: policyengine.Rule{
 				Status:    policyengine.Allow,
-				Action:    []string{"native:PutObject"},
+				Actions:   policyengine.Actions{Names: []string{nativeschema.MethodPutObject}},
-				Resource:  []string{"native:::object/*"},
+				Resources: policyengine.Resources{Names: []string{nativeschema.ResourceFormatRootObjects}},
 				Condition: []policyengine.Condition{},
 			},
 		},
@@ -29,8 +30,8 @@ func TestParseAPERule(t *testing.T) {
 			rule: "deny Object.Put *",
 			expectRule: policyengine.Rule{
 				Status:    policyengine.AccessDenied,
-				Action:    []string{"native:PutObject"},
+				Actions:   policyengine.Actions{Names: []string{nativeschema.MethodPutObject}},
-				Resource:  []string{"native:::object/*"},
+				Resources: policyengine.Resources{Names: []string{nativeschema.ResourceFormatRootObjects}},
 				Condition: []policyengine.Condition{},
 			},
 		},
@@ -39,8 +40,8 @@ func TestParseAPERule(t *testing.T) {
 			rule: "deny:QuotaLimitReached Object.Put *",
 			expectRule: policyengine.Rule{
 				Status:    policyengine.QuotaLimitReached,
-				Action:    []string{"native:PutObject"},
+				Actions:   policyengine.Actions{Names: []string{nativeschema.MethodPutObject}},
-				Resource:  []string{"native:::object/*"},
+				Resources: policyengine.Resources{Names: []string{nativeschema.ResourceFormatRootObjects}},
 				Condition: []policyengine.Condition{},
 			},
 		},
@@ -48,9 +49,9 @@ func TestParseAPERule(t *testing.T) {
 			name: "Valid allow rule with conditions",
 			rule: "allow Object.Get Object.Resource:Department=HR Object.Request:Actor!=ownerA *",
 			expectRule: policyengine.Rule{
-				Status:   policyengine.Allow,
+				Status:    policyengine.Allow,
-				Action:   []string{"native:GetObject"},
+				Actions:   policyengine.Actions{Names: []string{nativeschema.MethodGetObject}},
-				Resource: []string{"native:::object/*"},
+				Resources: policyengine.Resources{Names: []string{nativeschema.ResourceFormatRootObjects}},
 				Condition: []policyengine.Condition{
 					{
 						Op:     policyengine.CondStringEquals,
@@ -71,9 +72,9 @@ func TestParseAPERule(t *testing.T) {
 			name: "Valid rule with conditions with action detail",
 			rule: "deny:QuotaLimitReached Object.Get Object.Resource:Department=HR Object.Request:Actor!=ownerA *",
 			expectRule: policyengine.Rule{
-				Status:   policyengine.QuotaLimitReached,
+				Status:    policyengine.QuotaLimitReached,
-				Action:   []string{"native:GetObject"},
+				Actions:   policyengine.Actions{Names: []string{nativeschema.MethodGetObject}},
-				Resource: []string{"native:::object/*"},
+				Resources: policyengine.Resources{Names: []string{nativeschema.ResourceFormatRootObjects}},
 				Condition: []policyengine.Condition{
 					{
 						Op:     policyengine.CondStringEquals,

go.mod

@@ -8,7 +8,7 @@ require (
 	git.frostfs.info/TrueCloudLab/frostfs-observability v0.0.0-20231101111734-b3ad3335ff65
 	git.frostfs.info/TrueCloudLab/frostfs-sdk-go v0.0.0-20231101144515-6fbe1595cb3d
 	git.frostfs.info/TrueCloudLab/hrw v1.2.1
-	git.frostfs.info/TrueCloudLab/policy-engine v0.0.0-20231101082425-5eee1a733432
+	git.frostfs.info/TrueCloudLab/policy-engine v0.0.0-20231114100951-38985e4ec86b
 	git.frostfs.info/TrueCloudLab/tzhash v1.8.0
 	github.com/cheggaaa/pb v1.0.29
 	github.com/chzyer/readline v1.5.1

go.sum

@@ -736,8 +736,8 @@ git.frostfs.info/TrueCloudLab/frostfs-sdk-go v0.0.0-20231101144515-6fbe1595cb3d
 git.frostfs.info/TrueCloudLab/frostfs-sdk-go v0.0.0-20231101144515-6fbe1595cb3d/go.mod h1:t1akKcUH7iBrFHX8rSXScYMP17k2kYQXMbZooiL5Juw=
 git.frostfs.info/TrueCloudLab/hrw v1.2.1 h1:ccBRK21rFvY5R1WotI6LNoPlizk7qSvdfD8lNIRudVc=
 git.frostfs.info/TrueCloudLab/hrw v1.2.1/go.mod h1:C1Ygde2n843yTZEQ0FP69jYiuaYV0kriLvP4zm8JuvM=
-git.frostfs.info/TrueCloudLab/policy-engine v0.0.0-20231101082425-5eee1a733432 h1:z0PqdiEIHXK2qC83e6pmxUZ5peP9CIL0Bh5mP/d+4Xc=
+git.frostfs.info/TrueCloudLab/policy-engine v0.0.0-20231114100951-38985e4ec86b h1:io+LMCjNfP1IA7Jku7QVzAnlBjJXDNBNrHw1fpbsoeI=
-git.frostfs.info/TrueCloudLab/policy-engine v0.0.0-20231101082425-5eee1a733432/go.mod h1:qf3B9hSz6gCMfcfvqkhTu5ak+Gx2R+wo4Hc87LnKxPg=
+git.frostfs.info/TrueCloudLab/policy-engine v0.0.0-20231114100951-38985e4ec86b/go.mod h1:qf3B9hSz6gCMfcfvqkhTu5ak+Gx2R+wo4Hc87LnKxPg=
 git.frostfs.info/TrueCloudLab/rfc6979 v0.4.0 h1:M2KR3iBj7WpY3hP10IevfIB9MURr4O9mwVfJ+SjT3HA=
 git.frostfs.info/TrueCloudLab/rfc6979 v0.4.0/go.mod h1:okpbKfVYf/BpejtfFTfhZqFP+sZ8rsHrP8Rr/jYPNRc=
 git.frostfs.info/TrueCloudLab/tzhash v1.8.0 h1:UFMnUIk0Zh17m8rjGHJMqku2hCgaXDqjqZzS4gsb4UA=

internal/ape/converter.go

@@ -0,0 +1,246 @@
+package ape
+
+import (
+	"encoding/hex"
+	"fmt"
+
+	v2acl "git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/acl"
+	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/eacl"
+	policyengine "git.frostfs.info/TrueCloudLab/policy-engine"
+	nativeschema "git.frostfs.info/TrueCloudLab/policy-engine/schema/native"
+)
+
+type ConvertEACLError struct {
+	nested error
+}
+
+func (e *ConvertEACLError) Error() string {
+	if e == nil {
+		return ""
+	}
+	return fmt.Sprintf("failed to convert eACL table to policy engine chain: %s", e.nested.Error())
+}
+
+func (e *ConvertEACLError) Unwrap() error {
+	if e == nil {
+		return nil
+	}
+	return e.nested
+}
+
+// ConvertEACLToAPE converts eacl.Table to policyengine.Chain.
+func ConvertEACLToAPE(eaclTable *eacl.Table) (*policyengine.Chain, error) {
+	if eaclTable == nil {
+		return nil, nil
+	}
+	res := &policyengine.Chain{}
+
+	resource := getResource(eaclTable)
+
+	for _, eaclRecord := range eaclTable.Records() {
+		if len(eaclRecord.Targets()) == 0 {
+			// see https://git.frostfs.info/TrueCloudLab/frostfs-sdk-go/src/commit/ab75edd70939564421936d207ef80d6c1398b51b/eacl/validator.go#L101
+			// and https://git.frostfs.info/TrueCloudLab/frostfs-sdk-go/src/commit/ab75edd70939564421936d207ef80d6c1398b51b/eacl/validator.go#L36
+			// such record doesn't have any effect
+			continue
+		}
+
+		st, err := actionToStatus(eaclRecord.Action())
+		if err != nil {
+			return nil, err
+		}
+		act, err := operationToAction(eaclRecord.Operation())
+		if err != nil {
+			return nil, err
+		}
+
+		if len(eaclRecord.Filters()) == 0 {
+			res.Rules = appendTargetsOnly(res.Rules, st, act, resource, eaclRecord.Targets())
+		} else {
+			res.Rules, err = appendTargetsAndFilters(res.Rules, st, act, resource, eaclRecord.Targets(), eaclRecord.Filters())
+			if err != nil {
+				return nil, err
+			}
+		}
+	}
+
+	return res, nil
+}
+
+func appendTargetsOnly(source []policyengine.Rule, st policyengine.Status, act policyengine.Actions, res policyengine.Resources, targets []eacl.Target) []policyengine.Rule {
+	// see https://git.frostfs.info/TrueCloudLab/frostfs-sdk-go/src/commit/ab75edd70939564421936d207ef80d6c1398b51b/eacl/validator.go#L101
+	// role OR public key must be equal
+	rule := policyengine.Rule{
+		Status:    st,
+		Actions:   act,
+		Resources: res,
+		Any:       true,
+	}
+	for _, target := range targets {
+		var roleCondition policyengine.Condition
+		roleCondition.Object = policyengine.ObjectRequest
+		roleCondition.Key = nativeschema.PropertyKeyActorRole
+		roleCondition.Value = target.Role().String()
+		roleCondition.Op = policyengine.CondStringEquals
+		rule.Condition = append(rule.Condition, roleCondition)
+
+		for _, binKey := range target.BinaryKeys() {
+			var pubKeyCondition policyengine.Condition
+			pubKeyCondition.Object = policyengine.ObjectRequest
+			pubKeyCondition.Key = nativeschema.PropertyKeyActorPublicKey
+			pubKeyCondition.Value = hex.EncodeToString(binKey)
+			pubKeyCondition.Op = policyengine.CondStringEquals
+			rule.Condition = append(rule.Condition, pubKeyCondition)
+		}
+	}
+	return append(source, rule)
+}
+
+func appendTargetsAndFilters(source []policyengine.Rule, st policyengine.Status, act policyengine.Actions, res policyengine.Resources,
+	targets []eacl.Target, filters []eacl.Filter,
+) ([]policyengine.Rule, error) {
+	// see https://git.frostfs.info/TrueCloudLab/frostfs-sdk-go/src/commit/ab75edd70939564421936d207ef80d6c1398b51b/eacl/validator.go#L101
+	// role OR public key must be equal
+	// so filters are repeated for each role and public key
+	var err error
+	for _, target := range targets {
+		rule := policyengine.Rule{
+			Status:    st,
+			Actions:   act,
+			Resources: res,
+		}
+		var roleCondition policyengine.Condition
+		roleCondition.Object = policyengine.ObjectRequest
+		roleCondition.Key = nativeschema.PropertyKeyActorRole
+		roleCondition.Value = target.Role().String()
+		roleCondition.Op = policyengine.CondStringEquals
+
+		rule.Condition = append(rule.Condition, roleCondition)
+		rule.Condition, err = appendFilters(rule.Condition, filters)
+		if err != nil {
+			return nil, err
+		}
+
+		source = append(source, rule)
+
+		for _, binKey := range target.BinaryKeys() {
+			rule := policyengine.Rule{
+				Status:    st,
+				Actions:   act,
+				Resources: res,
+			}
+			var pubKeyCondition policyengine.Condition
+			pubKeyCondition.Object = policyengine.ObjectRequest
+			pubKeyCondition.Key = nativeschema.PropertyKeyActorPublicKey
+			pubKeyCondition.Value = hex.EncodeToString(binKey)
+			pubKeyCondition.Op = policyengine.CondStringEquals
+
+			rule.Condition = append(rule.Condition, pubKeyCondition)
+			rule.Condition, err = appendFilters(rule.Condition, filters)
+			if err != nil {
+				return nil, err
+			}
+
+			source = append(source, rule)
+		}
+	}
+
+	return source, nil
+}
+
+func appendFilters(source []policyengine.Condition, filters []eacl.Filter) ([]policyengine.Condition, error) {
+	for _, filter := range filters {
+		var cond policyengine.Condition
+		var isObject bool
+		if filter.From() == eacl.HeaderFromObject {
+			cond.Object = policyengine.ObjectResource
+			isObject = true
+		} else if filter.From() == eacl.HeaderFromRequest {
+			cond.Object = policyengine.ObjectRequest
+		} else {
+			return nil, &ConvertEACLError{nested: fmt.Errorf("unknown filter from: %d", filter.From())}
+		}
+
+		if filter.Matcher() == eacl.MatchStringEqual {
+			cond.Op = policyengine.CondStringEquals
+		} else if filter.Matcher() == eacl.MatchStringNotEqual {
+			cond.Op = policyengine.CondStringNotEquals
+		} else {
+			return nil, &ConvertEACLError{nested: fmt.Errorf("unknown filter matcher: %d", filter.Matcher())}
+		}
+
+		cond.Key = eaclKeyToAPEKey(filter.Key(), isObject)
+		cond.Value = filter.Value()
+
+		source = append(source, cond)
+	}
+	return source, nil
+}
+
+func eaclKeyToAPEKey(key string, isObject bool) string {
+	if !isObject {
+		return key
+	}
+	switch key {
+	default:
+		return key
+	case v2acl.FilterObjectVersion:
+		return nativeschema.PropertyKeyObjectVersion
+	case v2acl.FilterObjectID:
+		return nativeschema.PropertyKeyObjectID
+	case v2acl.FilterObjectContainerID:
+		return nativeschema.PropertyKeyObjectContainerID
+	case v2acl.FilterObjectOwnerID:
+		return nativeschema.PropertyKeyObjectOwnerID
+	case v2acl.FilterObjectCreationEpoch:
+		return nativeschema.PropertyKeyObjectCreationEpoch
+	case v2acl.FilterObjectPayloadLength:
+		return nativeschema.PropertyKeyObjectPayloadLength
+	case v2acl.FilterObjectPayloadHash:
+		return nativeschema.PropertyKeyObjectPayloadHash
+	case v2acl.FilterObjectType:
+		return nativeschema.PropertyKeyObjectType
+	case v2acl.FilterObjectHomomorphicHash:
+		return nativeschema.PropertyKeyObjectHomomorphicHash
+	}
+}
+
+func getResource(eaclTable *eacl.Table) policyengine.Resources {
+	cnrID, isSet := eaclTable.CID()
+	if isSet {
+		return policyengine.Resources{
+			Names: []string{fmt.Sprintf(nativeschema.ResourceFormatRootContainerObjects, cnrID.EncodeToString())},
+		}
+	}
+	return policyengine.Resources{
+		Names: []string{nativeschema.ResourceFormatRootObjects},
+	}
+}
+
+func actionToStatus(a eacl.Action) (policyengine.Status, error) {
+	switch a {
+	case eacl.ActionAllow:
+		return policyengine.Allow, nil
+	case eacl.ActionDeny:
+		return policyengine.AccessDenied, nil
+	default:
+		return policyengine.NoRuleFound, &ConvertEACLError{nested: fmt.Errorf("unknown action: %d", a)}
+	}
+}
+
+var eaclOperationToEngineAction = map[eacl.Operation]policyengine.Actions{
+	eacl.OperationGet:       {Names: []string{nativeschema.MethodGetObject}},
+	eacl.OperationHead:      {Names: []string{nativeschema.MethodHeadObject}},
+	eacl.OperationPut:       {Names: []string{nativeschema.MethodPutObject}},
+	eacl.OperationDelete:    {Names: []string{nativeschema.MethodDeleteObject}},
+	eacl.OperationSearch:    {Names: []string{nativeschema.MethodSearchObject}},
+	eacl.OperationRange:     {Names: []string{nativeschema.MethodRangeObject}},
+	eacl.OperationRangeHash: {Names: []string{nativeschema.MethodHashObject}},
+}
+
+func operationToAction(op eacl.Operation) (policyengine.Actions, error) {
+	if v, ok := eaclOperationToEngineAction[op]; ok {
+		return v, nil
+	}
+	return policyengine.Actions{}, &ConvertEACLError{nested: fmt.Errorf("unknown operation: %d", op)}
+}

internal/ape/converter_test.go

@@ -0,0 +1,470 @@
+package ape
+
+import (
+	"encoding/hex"
+	"fmt"
+	"testing"
+
+	cidtest "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container/id/test"
+	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/eacl"
+	policyengine "git.frostfs.info/TrueCloudLab/policy-engine"
+	nativeschema "git.frostfs.info/TrueCloudLab/policy-engine/schema/native"
+	"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
+	"github.com/stretchr/testify/require"
+)
+
+func TestEACLTableWithoutRecords(t *testing.T) {
+	t.Parallel()
+
+	tb := eacl.NewTable()
+	ch, err := ConvertEACLToAPE(tb)
+	require.NoError(t, err)
+
+	vu := &eacl.ValidationUnit{}
+	vu.WithEACLTable(tb)
+	req := &testRequest{
+		res: &testResource{name: nativeschema.ResourceFormatRootObjects},
+	}
+
+	compare(t, tb, vu, ch, req)
+
+	cnrID := cidtest.ID()
+	tb.SetCID(cnrID)
+	vu.WithContainerID(&cnrID)
+	req.res.name = fmt.Sprintf(nativeschema.ResourceFormatRootContainerObjects, cnrID.EncodeToString())
+
+	ch, err = ConvertEACLToAPE(tb)
+	require.NoError(t, err)
+
+	compare(t, tb, vu, ch, req)
+}
+
+func TestNoTargets(t *testing.T) {
+	t.Parallel()
+	for _, act := range []eacl.Action{eacl.ActionAllow, eacl.ActionDeny} {
+		cnrID := cidtest.ID()
+		tb := eacl.NewTable()
+		tb.SetCID(cnrID)
+
+		vu := &eacl.ValidationUnit{}
+		vu.WithEACLTable(tb)
+		vu.WithContainerID(&cnrID)
+		vu.WithRole(eacl.RoleOthers)
+
+		// deny delete without role or key specified
+		record := eacl.NewRecord()
+		record.SetAction(act)
+		record.SetOperation(eacl.OperationDelete)
+		record.AddObjectContainerIDFilter(eacl.MatchStringEqual, cnrID)
+
+		tb.AddRecord(record)
+
+		ch, err := ConvertEACLToAPE(tb)
+		require.NoError(t, err)
+
+		req := &testRequest{
+			props: map[string]string{
+				nativeschema.PropertyKeyActorRole: eacl.RoleOthers.String(),
+			},
+			res: &testResource{name: fmt.Sprintf(nativeschema.ResourceFormatRootContainerObjects, cnrID.EncodeToString())},
+		}
+		compare(t, tb, vu, ch, req)
+	}
+}
+
+func TestNoFilters(t *testing.T) {
+	t.Parallel()
+
+	t.Run("target match by role only", func(t *testing.T) {
+		t.Parallel()
+
+		for _, act := range []eacl.Action{eacl.ActionAllow, eacl.ActionDeny} {
+			cnrID := cidtest.ID()
+			tb := eacl.NewTable()
+			tb.SetCID(cnrID)
+
+			vu := &eacl.ValidationUnit{}
+			vu.WithEACLTable(tb)
+			vu.WithContainerID(&cnrID)
+			vu.WithRole(eacl.RoleOthers)
+
+			// allow/deny for OTHERS
+			record := eacl.NewRecord()
+			record.SetAction(act)
+			record.SetOperation(eacl.OperationDelete)
+
+			target := eacl.NewTarget()
+			target.SetRole(eacl.RoleOthers)
+			record.SetTargets(*target)
+
+			tb.AddRecord(record)
+
+			ch, err := ConvertEACLToAPE(tb)
+			require.NoError(t, err)
+
+			req := &testRequest{
+				props: map[string]string{
+					nativeschema.PropertyKeyActorRole: eacl.RoleOthers.String(),
+				},
+				res: &testResource{name: fmt.Sprintf(nativeschema.ResourceFormatRootContainerObjects, cnrID.EncodeToString())},
+			}
+			compare(t, tb, vu, ch, req)
+		}
+	})
+
+	t.Run("target match by role and public key", func(t *testing.T) {
+		t.Parallel()
+
+		for _, act := range []eacl.Action{eacl.ActionAllow, eacl.ActionDeny} {
+			cnrID := cidtest.ID()
+			tb := eacl.NewTable()
+			tb.SetCID(cnrID)
+
+			vu := &eacl.ValidationUnit{}
+			vu.WithEACLTable(tb)
+			vu.WithContainerID(&cnrID)
+			vu.WithRole(eacl.RoleOthers)
+
+			// allow/deny for OTHERS
+			record := eacl.NewRecord()
+			record.SetAction(act)
+			record.SetOperation(eacl.OperationDelete)
+
+			p1, err := keys.NewPrivateKey()
+			require.NoError(t, err)
+			p2, err := keys.NewPrivateKey()
+			require.NoError(t, err)
+
+			vu.WithSenderKey(p2.PublicKey().Bytes())
+
+			target := eacl.NewTarget()
+			target.SetRole(eacl.RoleOthers)
+			target.SetBinaryKeys([][]byte{p1.PublicKey().Bytes(), p2.PublicKey().Bytes()})
+			record.SetTargets(*target)
+
+			tb.AddRecord(record)
+
+			ch, err := ConvertEACLToAPE(tb)
+			require.NoError(t, err)
+
+			req := &testRequest{
+				props: map[string]string{
+					nativeschema.PropertyKeyActorRole:      eacl.RoleOthers.String(),
+					nativeschema.PropertyKeyActorPublicKey: string(p2.PublicKey().Bytes()),
+				},
+				res: &testResource{name: fmt.Sprintf(nativeschema.ResourceFormatRootContainerObjects, cnrID.EncodeToString())},
+			}
+			compare(t, tb, vu, ch, req)
+		}
+	})
+
+	t.Run("target match by public key only", func(t *testing.T) {
+		t.Parallel()
+
+		for _, act := range []eacl.Action{eacl.ActionAllow, eacl.ActionDeny} {
+			cnrID := cidtest.ID()
+			tb := eacl.NewTable()
+			tb.SetCID(cnrID)
+
+			vu := &eacl.ValidationUnit{}
+			vu.WithEACLTable(tb)
+			vu.WithContainerID(&cnrID)
+
+			// allow/deny for OTHERS
+			record := eacl.NewRecord()
+			record.SetAction(act)
+			record.SetOperation(eacl.OperationDelete)
+
+			p1, err := keys.NewPrivateKey()
+			require.NoError(t, err)
+			p2, err := keys.NewPrivateKey()
+			require.NoError(t, err)
+
+			vu.WithSenderKey(p2.PublicKey().Bytes())
+
+			target := eacl.NewTarget()
+			target.SetRole(eacl.RoleOthers)
+			target.SetBinaryKeys([][]byte{p1.PublicKey().Bytes(), p2.PublicKey().Bytes()})
+			record.SetTargets(*target)
+
+			tb.AddRecord(record)
+
+			ch, err := ConvertEACLToAPE(tb)
+			require.NoError(t, err)
+
+			req := &testRequest{
+				props: map[string]string{
+					nativeschema.PropertyKeyActorPublicKey: hex.EncodeToString(p2.PublicKey().Bytes()),
+				},
+				res: &testResource{name: fmt.Sprintf(nativeschema.ResourceFormatRootContainerObjects, cnrID.EncodeToString())},
+			}
+			compare(t, tb, vu, ch, req)
+		}
+	})
+
+	t.Run("target doesn't match", func(t *testing.T) {
+		t.Parallel()
+
+		for _, act := range []eacl.Action{eacl.ActionAllow, eacl.ActionDeny} {
+			cnrID := cidtest.ID()
+			tb := eacl.NewTable()
+			tb.SetCID(cnrID)
+
+			vu := &eacl.ValidationUnit{}
+			vu.WithEACLTable(tb)
+			vu.WithContainerID(&cnrID)
+			vu.WithRole(eacl.RoleSystem)
+
+			// allow/deny for OTHERS
+			record := eacl.NewRecord()
+			record.SetAction(act)
+			record.SetOperation(eacl.OperationDelete)
+
+			target := eacl.NewTarget()
+			target.SetRole(eacl.RoleOthers)
+			record.SetTargets(*target)
+
+			tb.AddRecord(record)
+
+			ch, err := ConvertEACLToAPE(tb)
+			require.NoError(t, err)
+
+			req := &testRequest{
+				props: map[string]string{
+					nativeschema.PropertyKeyActorRole: eacl.RoleSystem.String(),
+				},
+				res: &testResource{name: fmt.Sprintf(nativeschema.ResourceFormatRootContainerObjects, cnrID.EncodeToString())},
+			}
+			compare(t, tb, vu, ch, req)
+		}
+	})
+}
+
+func TestWithFilters(t *testing.T) {
+	t.Parallel()
+
+	t.Run("object attributes", func(t *testing.T) {
+		t.Parallel()
+
+		const attrKey = "attribute_1"
+		const attrValue = "attribute_1_value"
+
+		for _, act := range []eacl.Action{eacl.ActionAllow, eacl.ActionDeny} {
+			cnrID := cidtest.ID()
+			tb := eacl.NewTable()
+			tb.SetCID(cnrID)
+
+			vu := &eacl.ValidationUnit{}
+			vu.WithEACLTable(tb)
+			vu.WithContainerID(&cnrID)
+			vu.WithRole(eacl.RoleOthers)
+			vu.WithHeaderSource(&testHeaderSource{
+				headers: map[eacl.FilterHeaderType][]eacl.Header{
+					eacl.HeaderFromObject: {&testHeader{key: attrKey, value: attrValue}},
+				},
+			})
+
+			// allow/deny for OTHERS
+			record := eacl.NewRecord()
+			record.SetAction(act)
+			record.SetOperation(eacl.OperationDelete)
+
+			target := eacl.NewTarget()
+			target.SetRole(eacl.RoleOthers)
+			record.SetTargets(*target)
+
+			record.AddObjectAttributeFilter(eacl.MatchStringEqual, attrKey, attrValue)
+
+			tb.AddRecord(record)
+
+			ch, err := ConvertEACLToAPE(tb)
+			require.NoError(t, err)
+
+			req := &testRequest{
+				props: map[string]string{
+					nativeschema.PropertyKeyActorRole: eacl.RoleOthers.String(),
+				},
+				res: &testResource{
+					name: fmt.Sprintf(nativeschema.ResourceFormatRootContainerObjects, cnrID.EncodeToString()),
+					props: map[string]string{
+						attrKey: attrValue,
+					},
+				},
+			}
+			compare(t, tb, vu, ch, req)
+		}
+	})
+
+	t.Run("request attributes", func(t *testing.T) {
+		t.Parallel()
+
+		const attrKey = "attribute_1"
+		const attrValue = "attribute_1_value"
+
+		for _, act := range []eacl.Action{eacl.ActionAllow, eacl.ActionDeny} {
+			cnrID := cidtest.ID()
+			tb := eacl.NewTable()
+			tb.SetCID(cnrID)
+
+			vu := &eacl.ValidationUnit{}
+			vu.WithEACLTable(tb)
+			vu.WithContainerID(&cnrID)
+			vu.WithRole(eacl.RoleOthers)
+			vu.WithHeaderSource(&testHeaderSource{
+				headers: map[eacl.FilterHeaderType][]eacl.Header{
+					eacl.HeaderFromRequest: {&testHeader{key: attrKey, value: attrValue}},
+				},
+			})
+
+			// allow/deny for OTHERS
+			record := eacl.NewRecord()
+			record.SetAction(act)
+			record.SetOperation(eacl.OperationDelete)
+
+			target := eacl.NewTarget()
+			target.SetRole(eacl.RoleOthers)
+			record.SetTargets(*target)
+
+			record.AddFilter(eacl.HeaderFromRequest, eacl.MatchStringEqual, attrKey, attrValue)
+
+			tb.AddRecord(record)
+
+			ch, err := ConvertEACLToAPE(tb)
+			require.NoError(t, err)
+
+			req := &testRequest{
+				props: map[string]string{
+					nativeschema.PropertyKeyActorRole: eacl.RoleOthers.String(),
+					attrKey:                           attrValue,
+				},
+				res: &testResource{
+					name: fmt.Sprintf(nativeschema.ResourceFormatRootContainerObjects, cnrID.EncodeToString()),
+				},
+			}
+			compare(t, tb, vu, ch, req)
+		}
+	})
+}
+
+func TestNoHeader(t *testing.T) {
+	t.Skip("Should pass after https://git.frostfs.info/TrueCloudLab/policy-engine/issues/8#issuecomment-26126")
+
+	t.Parallel()
+
+	const attrKey = "attribute_1"
+	cnrID := cidtest.ID()
+	tb := eacl.NewTable()
+	tb.SetCID(cnrID)
+
+	vu := &eacl.ValidationUnit{}
+	vu.WithEACLTable(tb)
+	vu.WithContainerID(&cnrID)
+	vu.WithRole(eacl.RoleOthers)
+	vu.WithHeaderSource(&testHeaderSource{
+		headers: map[eacl.FilterHeaderType][]eacl.Header{
+			eacl.HeaderFromRequest: {},
+		},
+	})
+
+	// allow/deny for OTHERS
+	record := eacl.NewRecord()
+	record.SetAction(eacl.ActionDeny)
+	record.SetOperation(eacl.OperationDelete)
+
+	target := eacl.NewTarget()
+	target.SetRole(eacl.RoleOthers)
+	record.SetTargets(*target)
+
+	record.AddFilter(eacl.HeaderFromRequest, eacl.MatchStringEqual, attrKey, "")
+
+	tb.AddRecord(record)
+
+	ch, err := ConvertEACLToAPE(tb)
+	require.NoError(t, err)
+
+	req := &testRequest{
+		props: map[string]string{
+			nativeschema.PropertyKeyActorRole: eacl.RoleOthers.String(),
+		},
+		res: &testResource{
+			name: fmt.Sprintf(nativeschema.ResourceFormatRootContainerObjects, cnrID.EncodeToString()),
+		},
+	}
+	compare(t, tb, vu, ch, req)
+}
+
+func compare(t *testing.T, eaclTable *eacl.Table, vu *eacl.ValidationUnit, ch *policyengine.Chain, req *testRequest) {
+	validator := eacl.NewValidator()
+	for eaclOp, apeOp := range eaclOperationToEngineAction {
+		vu.WithOperation(eaclOp)
+		req.op = apeOp.Names[0]
+
+		eaclAct, recordFound := validator.CalculateAction(vu)
+		apeSt, ruleFound := ch.Match(req)
+
+		require.Equal(t, recordFound, ruleFound)
+		require.NotEqual(t, eacl.ActionUnknown, eaclAct)
+		if eaclAct == eacl.ActionAllow {
+			if recordFound {
+				require.Equal(t, policyengine.Allow, apeSt)
+			} else {
+				require.Equal(t, policyengine.NoRuleFound, apeSt)
+			}
+		} else {
+			require.Equal(t, policyengine.AccessDenied, apeSt)
+		}
+	}
+}
+
+type testRequest struct {
+	op    string
+	props map[string]string
+	res   *testResource
+}
+
+func (r *testRequest) Operation() string {
+	return r.op
+}
+
+func (r *testRequest) Property(key string) string {
+	if v, ok := r.props[key]; ok {
+		return v
+	}
+	return ""
+}
+
+func (r *testRequest) Resource() policyengine.Resource {
+	return r.res
+}
+
+type testResource struct {
+	name  string
+	props map[string]string
+}
+
+func (r *testResource) Name() string {
+	return r.name
+}
+
+func (r *testResource) Property(key string) string {
+	if v, ok := r.props[key]; ok {
+		return v
+	}
+	return ""
+}
+
+type testHeaderSource struct {
+	headers map[eacl.FilterHeaderType][]eacl.Header
+}
+
+func (s *testHeaderSource) HeadersOfType(t eacl.FilterHeaderType) ([]eacl.Header, bool) {
+	v, ok := s.headers[t]
+	return v, ok
+}
+
+type testHeader struct {
+	key, value string
+}
+
+func (h *testHeader) Key() string   { return h.key }
+func (h *testHeader) Value() string { return h.value }