[#360] Use 'c' prefix for bucket policies instead of 'n'

With 'c' prefix, acl chains become shorter, thus gateway
receives shorter results and avoids sessions to neo-go.

There is still issue with many IAM rules.

Signed-off-by: Alex Vanin <a.vanin@yadro.com>

api/handler/acl.go

@@ -450,7 +450,7 @@ func (h *handler) putBucketACLAPEHandler(w http.ResponseWriter, r *http.Request,
 	}
 
 	chainRules := bucketCannedACLToAPERules(cannedACL, reqInfo, key, bktInfo.CID)
-	if err = h.ape.SaveACLChains(reqInfo.Namespace, chainRules); err != nil {
+	if err = h.ape.SaveACLChains(bktInfo.CID.EncodeToString(), chainRules); err != nil {
 		h.logAndSendError(w, "failed to add morph rule chains", reqInfo, err)
 		return
 	}

api/handler/acl_test.go

@@ -1325,7 +1325,7 @@ func TestPutBucketAPE(t *testing.T) {
 	_, err := hc.tp.ContainerEACL(hc.Context(), layer.PrmContainerEACL{ContainerID: info.BktInfo.CID})
 	require.ErrorContains(t, err, "not found")
 
-	chains, err := hc.h.ape.(*apeMock).ListChains(engine.NamespaceTarget(""))
+	chains, err := hc.h.ape.(*apeMock).ListChains(engine.ContainerTarget(info.BktInfo.CID.EncodeToString()))
 	require.NoError(t, err)
 	require.Len(t, chains, 2)
 }
@@ -1509,7 +1509,7 @@ func TestDeleteBucketWithPolicy(t *testing.T) {
 	hc := prepareHandlerContext(t)
 
 	bktName := "bucket-for-policy"
-	createTestBucket(hc, bktName)
+	bi := createTestBucket(hc, bktName)
 
 	newPolicy := engineiam.Policy{
 		Version: "2012-10-17",
@@ -1524,12 +1524,12 @@ func TestDeleteBucketWithPolicy(t *testing.T) {
 	putBucketPolicy(hc, bktName, newPolicy)
 
 	require.Len(t, hc.h.ape.(*apeMock).policyMap, 1)
-	require.Len(t, hc.h.ape.(*apeMock).chainMap[engine.NamespaceTarget("")], 4)
+	require.Len(t, hc.h.ape.(*apeMock).chainMap[engine.ContainerTarget(bi.CID.EncodeToString())], 4)
 
 	deleteBucket(t, hc, bktName, http.StatusNoContent)
 
 	require.Empty(t, hc.h.ape.(*apeMock).policyMap)
-	chains, err := hc.h.ape.(*apeMock).ListChains(engine.NamespaceTarget(""))
+	chains, err := hc.h.ape.(*apeMock).ListChains(engine.ContainerTarget(bi.CID.EncodeToString()))
 	require.NoError(t, err)
 	require.Empty(t, chains)
 }

api/handler/api.go

@@ -59,7 +59,7 @@ type (
 		PutBucketPolicy(ns string, cnrID cid.ID, policy []byte, chains []*chain.Chain) error
 		DeleteBucketPolicy(ns string, cnrID cid.ID, chainIDs []chain.ID) error
 		GetBucketPolicy(ns string, cnrID cid.ID) ([]byte, error)
-		SaveACLChains(ns string, chains []*chain.Chain) error
+		SaveACLChains(cid string, chains []*chain.Chain) error
 	}
 )
 

api/handler/handlers_test.go

@@ -270,7 +270,7 @@ func (a *apeMock) PutBucketPolicy(ns string, cnrID cid.ID, policy []byte, chain
 	}
 
 	for i := range chain {
-		if err := a.AddChain(engine.NamespaceTarget(ns), chain[i]); err != nil {
+		if err := a.AddChain(engine.ContainerTarget(cnrID.EncodeToString()), chain[i]); err != nil {
 			return err
 		}
 	}
@@ -283,7 +283,7 @@ func (a *apeMock) DeleteBucketPolicy(ns string, cnrID cid.ID, chainIDs []chain.I
 		return err
 	}
 	for i := range chainIDs {
-		if err := a.RemoveChain(engine.NamespaceTarget(ns), chainIDs[i]); err != nil {
+		if err := a.RemoveChain(engine.ContainerTarget(cnrID.EncodeToString()), chainIDs[i]); err != nil {
 			return err
 		}
 	}
@@ -300,9 +300,9 @@ func (a *apeMock) GetBucketPolicy(ns string, cnrID cid.ID) ([]byte, error) {
 	return policy, nil
 }
 
-func (a *apeMock) SaveACLChains(ns string, chains []*chain.Chain) error {
+func (a *apeMock) SaveACLChains(cid string, chains []*chain.Chain) error {
 	for i := range chains {
-		if err := a.AddChain(engine.NamespaceTarget(ns), chains[i]); err != nil {
+		if err := a.AddChain(engine.ContainerTarget(cid), chains[i]); err != nil {
 			return err
 		}
 	}

api/handler/put.go

@@ -898,7 +898,7 @@ func (h *handler) createBucketHandlerPolicy(w http.ResponseWriter, r *http.Reque
 	h.reqLogger(ctx).Info(logs.BucketIsCreated, zap.Stringer("container_id", bktInfo.CID))
 
 	chains := bucketCannedACLToAPERules(cannedACL, reqInfo, key, bktInfo.CID)
-	if err = h.ape.SaveACLChains(reqInfo.Namespace, chains); err != nil {
+	if err = h.ape.SaveACLChains(bktInfo.CID.EncodeToString(), chains); err != nil {
 		h.logAndSendError(w, "failed to add morph rule chain", reqInfo, err)
 		return
 	}

api/middleware/policy.go

@@ -72,15 +72,34 @@ func policyCheck(r *http.Request, cfg PolicyConfig) error {
 		return err
 	}
 
-	reqInfo := GetReqInfo(r.Context())
+	var bktInfo *data.BucketInfo
-	target := engine.NewRequestTargetWithNamespace(reqInfo.Namespace)
+	if reqType != noneType && !strings.HasSuffix(req.Operation(), CreateBucketOperation) {
-	st, found, err := cfg.Storage.IsAllowed(chain.S3, target, req)
+		bktInfo, err = cfg.BucketResolver(r.Context(), bktName)
 		if err != nil {
 			return err
 		}
+	}
 
-	if !found {
+	reqInfo := GetReqInfo(r.Context())
-		st = chain.NoRuleFound
+	targets := []engine.RequestTarget{
+		engine.NewRequestTargetWithNamespace(reqInfo.Namespace),
+	}
+	if bktInfo != nil {
+		targets = append(targets, engine.NewRequestTargetWithContainer(bktInfo.CID.EncodeToString()))
+	}
+
+	st := chain.NoRuleFound
+	for _, target := range targets {
+		status, found, err := cfg.Storage.IsAllowed(chain.S3, target, req)
+		if err != nil {
+			return err
+		}
+		if found {
+			st = status
+			if status != chain.Allow {
+				break
+			}
+		}
 	}
 
 	switch {
@@ -90,9 +109,9 @@ func policyCheck(r *http.Request, cfg PolicyConfig) error {
 		return apiErr.GetAPIErrorWithError(apiErr.ErrAccessDenied, fmt.Errorf("policy check: %s", st.String()))
 	}
 
-	isAPE, err := isAPEBehavior(r.Context(), req, cfg, reqType, bktName)
+	isAPE := !cfg.Settings.ACLEnabled()
-	if err != nil {
+	if bktInfo != nil {
-		return err
+		isAPE = bktInfo.APEEnabled
 	}
 
 	if isAPE && cfg.Settings.PolicyDenyByDefault() {
@@ -102,20 +121,6 @@ func policyCheck(r *http.Request, cfg PolicyConfig) error {
 	return nil
 }
 
-func isAPEBehavior(ctx context.Context, req *testutil.Request, cfg PolicyConfig, reqType ReqType, bktName string) (bool, error) {
-	if reqType == noneType ||
-		strings.HasSuffix(req.Operation(), CreateBucketOperation) {
-		return !cfg.Settings.ACLEnabled(), nil
-	}
-
-	bktInfo, err := cfg.BucketResolver(ctx, bktName) // we cannot use reqInfo.BucketName because it hasn't been set yet
-	if err != nil {
-		return false, err
-	}
-
-	return bktInfo.APEEnabled, nil
-}
-
 func getPolicyRequest(r *http.Request, frostfsid FrostFSIDInformer, reqType ReqType, bktName string, objName string, log *zap.Logger) (*testutil.Request, error) {
 	var (
 		owner  string

api/router_test.go

@@ -197,6 +197,7 @@ func TestPolicyChecker(t *testing.T) {
 func TestPolicyCheckerReqTypeDetermination(t *testing.T) {
 	chiRouter := prepareRouter(t)
 	bktName, objName := "bucket", "object"
+	createBucket(chiRouter, "", bktName)
 
 	policy := engineiam.Policy{
 		Version: "2012-10-17",

internal/frostfs/policy/morph_rule_chain_storage.go

@@ -76,24 +76,24 @@ func (c *MorphRuleChainStorage) ListMorphRuleChains(name chain.Name, target engi
 }
 
 func (c *MorphRuleChainStorage) PutBucketPolicy(ns string, cnrID cid.ID, policy []byte, chains []*chain.Chain) error {
-	c.cache.Delete(cache.MorphPolicyCacheKey{Target: engine.NamespaceTarget(ns), Name: chain.S3})
+	c.cache.Delete(cache.MorphPolicyCacheKey{Target: engine.ContainerTarget(cnrID.EncodeToString()), Name: chain.S3})
 
 	tx := c.contract.StartTx()
 	tx.AddChain(policycontract.IAM, ns, getBucketPolicyName(cnrID), policy)
 
 	for i := range chains {
-		tx.AddChain(policycontract.Namespace, ns, chains[i].ID, chains[i].Bytes())
+		tx.AddChain(policycontract.Container, cnrID.EncodeToString(), chains[i].ID, chains[i].Bytes())
 	}
 
 	return c.contract.SendTx(tx)
 }
 
 func (c *MorphRuleChainStorage) DeleteBucketPolicy(ns string, cnrID cid.ID, chainIDs []chain.ID) error {
-	c.cache.Delete(cache.MorphPolicyCacheKey{Target: engine.NamespaceTarget(ns), Name: chain.S3})
+	c.cache.Delete(cache.MorphPolicyCacheKey{Target: engine.ContainerTarget(cnrID.EncodeToString()), Name: chain.S3})
 
 	tx := c.contract.StartTx()
 	for _, chainID := range chainIDs {
-		tx.RemoveChain(policycontract.Namespace, ns, chainID)
+		tx.RemoveChain(policycontract.Container, cnrID.EncodeToString(), chainID)
 	}
 	tx.RemoveChain(policycontract.IAM, ns, getBucketPolicyName(cnrID))
 
@@ -104,13 +104,13 @@ func (c *MorphRuleChainStorage) GetBucketPolicy(ns string, cnrID cid.ID) ([]byte
 	return c.contract.GetChain(policycontract.IAM, ns, getBucketPolicyName(cnrID))
 }
 
-func (c *MorphRuleChainStorage) SaveACLChains(ns string, chains []*chain.Chain) error {
+func (c *MorphRuleChainStorage) SaveACLChains(cid string, chains []*chain.Chain) error {
-	c.cache.Delete(cache.MorphPolicyCacheKey{Target: engine.NamespaceTarget(ns), Name: chain.S3})
+	c.cache.Delete(cache.MorphPolicyCacheKey{Target: engine.ContainerTarget(cid), Name: chain.S3})
-	c.cache.Delete(cache.MorphPolicyCacheKey{Target: engine.NamespaceTarget(ns), Name: chain.Ingress})
+	c.cache.Delete(cache.MorphPolicyCacheKey{Target: engine.ContainerTarget(cid), Name: chain.Ingress})
 
 	tx := c.contract.StartTx()
 	for i := range chains {
-		tx.AddChain(policycontract.Namespace, ns, chains[i].ID, chains[i].Bytes())
+		tx.AddChain(policycontract.Container, cid, chains[i].ID, chains[i].Bytes())
 	}
 
 	return c.contract.SendTx(tx)