services/tree: Remove eACL processing
Signed-off-by: Evgenii Stratonikov <e.stratonikov@yadro.com>
This commit is contained in:
parent
8e24508028
commit
323083b652
SSH key fingerprint:
SHA256:m/TTwCzjnRkXgnzEx9X92ccxy1CcVeinOgDb3NPWWmg
4 changed files with 100 additions and 198 deletions
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@ -54,7 +54,6 @@ func initTreeService(c *cfg) {
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cli: c.shared.cnrClient,
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}),
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tree.WithFrostfsidSubjectProvider(c.shared.frostfsidClient),
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tree.WithEACLSource(c.cfgObject.eaclSource),
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tree.WithNetmapSource(c.netMapSource),
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tree.WithPrivateKey(&c.key.PrivateKey),
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tree.WithLogger(c.log),
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@ -33,7 +33,6 @@ type cfg struct {
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nmSource netmap.Source
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cnrSource ContainerSource
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frostfsidSubjectProvider frostfsidcore.SubjectProvider
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eaclSource container.EACLSource
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forest pilorama.Forest
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// replication-related parameters
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replicatorChannelCapacity int
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@ -65,14 +64,6 @@ func WithFrostfsidSubjectProvider(provider frostfsidcore.SubjectProvider) Option
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}
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}
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// WithEACLSource sets a eACL table source for a tree service.
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// This option is required.
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func WithEACLSource(src container.EACLSource) Option {
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return func(c *cfg) {
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c.eaclSource = src
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}
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}
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// WithNetmapSource sets a netmap source for a tree service.
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// This option is required.
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func WithNetmapSource(src netmap.Source) Option {
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@ -9,10 +9,8 @@ import (
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"fmt"
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"git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/refs"
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"git.frostfs.info/TrueCloudLab/frostfs-node/internal/logs"
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core "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/core/container"
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"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/bearer"
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"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/client"
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"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container/acl"
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cidSDK "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container/id"
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frostfscrypto "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/crypto"
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@ -20,7 +18,6 @@ import (
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"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/eacl"
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"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/user"
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"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
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"go.uber.org/zap"
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)
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type message interface {
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@ -30,16 +27,11 @@ type message interface {
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SetSignature(*Signature)
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}
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func basicACLErr(op acl.Op) error {
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return fmt.Errorf("access to operation %s is denied by basic ACL check", op)
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}
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func eACLErr(op eacl.Operation, err error) error {
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return fmt.Errorf("access to operation %s is denied by extended ACL check: %w", op, err)
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}
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var (
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errBearerWrongOwner = errors.New("bearer token must be signed by the container owner")
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errBearerWrongContainer = errors.New("bearer token is created for another container")
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errBearerSignature = errors.New("invalid bearer token signature")
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)
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@ -77,56 +69,7 @@ func (s *Service) verifyClient(ctx context.Context, req message, cid cidSDK.ID,
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return fmt.Errorf("can't get request role: %w", err)
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}
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basicACL := cnr.Value.BasicACL()
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// Basic ACL mask can be unset, if a container operations are performed
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// with strict APE checks only.
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//
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// FIXME(@aarifullin): tree service temporiraly performs APE checks on
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// object verbs, because tree verbs have not been introduced yet.
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if basicACL == 0x0 {
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return s.checkAPE(ctx, bt, cnr, cid, op, role, pubKey)
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}
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if !basicACL.IsOpAllowed(op, role) {
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return basicACLErr(op)
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}
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if !basicACL.Extendable() {
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return nil
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}
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var useBearer bool
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if len(rawBearer) != 0 {
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if !basicACL.AllowedBearerRules(op) {
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s.log.Debug(logs.TreeBearerPresentedButNotAllowedByACL,
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zap.String("cid", cid.EncodeToString()),
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zap.Stringer("op", op),
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)
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} else {
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useBearer = true
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}
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}
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var tb eacl.Table
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signer := req.GetSignature().GetKey()
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if useBearer && !bt.Impersonate() {
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if !bearer.ResolveIssuer(*bt).Equals(cnr.Value.Owner()) {
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return eACLErr(eaclOp, errBearerWrongOwner)
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}
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tb = bt.EACLTable()
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} else {
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tbCore, err := s.eaclSource.GetEACL(cid)
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if err != nil {
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return handleGetEACLError(err)
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}
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tb = *tbCore.Value
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if useBearer && bt.Impersonate() {
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signer = bt.SigningKeyBytes()
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}
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}
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return checkEACL(tb, signer, eACLRole(role), eaclOp)
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return s.checkAPE(ctx, bt, cnr, cid, op, role, pubKey)
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}
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// Returns true iff the operation is read-only and request was signed
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@ -168,14 +111,6 @@ func parseBearer(rawBearer []byte, cid cidSDK.ID, eaclOp eacl.Operation) (*beare
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return bt, nil
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}
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func handleGetEACLError(err error) error {
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if client.IsErrEACLNotFound(err) {
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return nil
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}
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return fmt.Errorf("get eACL table: %w", err)
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}
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func verifyMessage(m message) error {
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binBody, err := m.ReadSignedData(nil)
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if err != nil {
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@ -260,73 +195,3 @@ func eACLOp(op acl.Op) eacl.Operation {
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panic(fmt.Sprintf("unexpected tree service ACL operation: %s", op))
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}
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}
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func eACLRole(role acl.Role) eacl.Role {
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switch role {
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case acl.RoleOwner:
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return eacl.RoleUser
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case acl.RoleOthers:
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return eacl.RoleOthers
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default:
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panic(fmt.Sprintf("unexpected tree service ACL role: %s", role))
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}
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}
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var (
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errDENY = errors.New("DENY eACL rule")
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errNoAllowRules = errors.New("not found allowing rules for the request")
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)
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// checkEACL searches for the eACL rules that could be applied to the request
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// (a tuple of a signer key, his FrostFS role and a request operation).
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// It does not filter the request by the filters of the eACL table since tree
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// requests do not contain any "object" information that could be filtered and,
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// therefore, filtering leads to unexpected results.
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// The code was copied with the minor updates from the SDK repo:
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// https://github.com/nspcc-dev/frostfs-sdk-go/blob/43a57d42dd50dc60465bfd3482f7f12bcfcf3411/eacl/validator.go#L28.
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func checkEACL(tb eacl.Table, signer []byte, role eacl.Role, op eacl.Operation) error {
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for _, record := range tb.Records() {
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// check type of operation
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if record.Operation() != op {
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continue
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}
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// check target
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if !targetMatches(record, role, signer) {
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continue
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}
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switch a := record.Action(); a {
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case eacl.ActionAllow:
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return nil
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case eacl.ActionDeny:
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return eACLErr(op, errDENY)
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default:
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return eACLErr(op, fmt.Errorf("unexpected action: %s", a))
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}
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}
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return eACLErr(op, errNoAllowRules)
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}
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func targetMatches(rec eacl.Record, role eacl.Role, signer []byte) bool {
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for _, target := range rec.Targets() {
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// check public key match
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if pubs := target.BinaryKeys(); len(pubs) != 0 {
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for _, key := range pubs {
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if bytes.Equal(key, signer) {
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return true
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}
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}
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continue
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}
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// check target group match
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if role == target.Role() {
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return true
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}
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}
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return false
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}
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@ -4,22 +4,30 @@ import (
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"context"
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"crypto/ecdsa"
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"crypto/sha256"
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"encoding/hex"
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"errors"
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"testing"
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aclV2 "git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/acl"
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"git.frostfs.info/TrueCloudLab/frostfs-contract/frostfsid/client"
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containercore "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/core/container"
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"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/core/netmap"
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checkercore "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/services/common/ape"
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"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/util/logger/test"
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"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/ape"
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"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/bearer"
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"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container"
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"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container/acl"
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cid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container/id"
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cidtest "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container/id/test"
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eaclSDK "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/eacl"
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netmapSDK "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/netmap"
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"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/user"
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"git.frostfs.info/TrueCloudLab/policy-engine/pkg/chain"
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"git.frostfs.info/TrueCloudLab/policy-engine/pkg/engine"
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"git.frostfs.info/TrueCloudLab/policy-engine/pkg/engine/inmemory"
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"git.frostfs.info/TrueCloudLab/policy-engine/schema/native"
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"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
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"github.com/nspcc-dev/neo-go/pkg/util"
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"github.com/stretchr/testify/require"
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)
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@ -27,6 +35,34 @@ type dummyNetmapSource struct {
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netmap.Source
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}
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type dummySubjectProvider struct {
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subjects map[util.Uint160]client.SubjectExtended
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}
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func (s dummySubjectProvider) GetSubject(addr util.Uint160) (*client.Subject, error) {
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res := s.subjects[addr]
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return &client.Subject{
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PrimaryKey: res.PrimaryKey,
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AdditionalKeys: res.AdditionalKeys,
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Namespace: res.Namespace,
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Name: res.Name,
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KV: res.KV,
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}, nil
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}
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func (s dummySubjectProvider) GetSubjectExtended(addr util.Uint160) (*client.SubjectExtended, error) {
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res := s.subjects[addr]
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return &res, nil
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}
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type dummyEpochSource struct {
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epoch uint64
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}
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func (s dummyEpochSource) CurrentEpoch() uint64 {
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return s.epoch
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}
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type dummyContainerSource map[string]*containercore.Container
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func (s dummyContainerSource) List() ([]cid.ID, error) {
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@ -57,16 +93,6 @@ func (s dummyContainerSource) DeletionInfo(id cid.ID) (*containercore.DelInfo, e
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return &containercore.DelInfo{}, nil
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}
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type dummyEACLSource map[string]*containercore.EACL
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func (s dummyEACLSource) GetEACL(id cid.ID) (*containercore.EACL, error) {
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cntEACL, ok := s[id.String()]
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if !ok {
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return nil, errors.New("container not found")
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}
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return cntEACL, nil
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}
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func testContainer(owner user.ID) container.Container {
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var r netmapSDK.ReplicaDescriptor
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r.SetNumberOfObjects(1)
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@ -81,6 +107,8 @@ func testContainer(owner user.ID) container.Container {
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return cnt
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}
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const currentEpoch = 123
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func TestMessageSign(t *testing.T) {
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privs := make([]*keys.PrivateKey, 4)
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for i := range privs {
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@ -99,6 +127,15 @@ func TestMessageSign(t *testing.T) {
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Value: testContainer(ownerID),
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}
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e := inmemory.NewInMemoryLocalOverrides()
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e.MorphRuleChainStorage().AddMorphRuleChain(chain.Ingress, engine.Target{
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Type: engine.Container,
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Name: cid1.EncodeToString(),
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}, testChain(privs[0].PublicKey(), privs[1].PublicKey()))
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frostfsidProvider := dummySubjectProvider{
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subjects: make(map[util.Uint160]client.SubjectExtended),
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}
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s := &Service{
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cfg: cfg{
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log: test.NewLogger(t),
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@ -107,12 +144,10 @@ func TestMessageSign(t *testing.T) {
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cnrSource: dummyContainerSource{
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cid1.String(): cnr,
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},
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eaclSource: dummyEACLSource{
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cid1.String(): &containercore.EACL{
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Value: testTable(cid1, privs[0].PublicKey(), privs[1].PublicKey()),
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},
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},
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frostfsidSubjectProvider: frostfsidProvider,
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state: dummyEpochSource{epoch: currentEpoch},
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},
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apeChecker: checkercore.New(e.LocalStorage(), e.MorphRuleChainStorage(), frostfsidProvider, dummyEpochSource{}),
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}
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rawCID1 := make([]byte, sha256.Size)
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@ -235,46 +270,58 @@ func TestMessageSign(t *testing.T) {
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func testBearerToken(cid cid.ID, forPutGet, forGet *keys.PublicKey) bearer.Token {
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var b bearer.Token
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b.SetEACLTable(*testTable(cid, forPutGet, forGet))
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b.SetExp(currentEpoch + 1)
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b.SetAPEOverride(bearer.APEOverride{
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Target: ape.ChainTarget{
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TargetType: ape.TargetTypeContainer,
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Name: cid.EncodeToString(),
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},
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Chains: []ape.Chain{{Raw: testChain(forPutGet, forGet).Bytes()}},
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})
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return b
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}
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func testTable(cid cid.ID, forPutGet, forGet *keys.PublicKey) *eaclSDK.Table {
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tgtGet := eaclSDK.NewTarget()
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tgtGet.SetRole(eaclSDK.RoleUnknown)
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tgtGet.SetBinaryKeys([][]byte{forPutGet.Bytes(), forGet.Bytes()})
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rGet := eaclSDK.NewRecord()
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rGet.SetAction(eaclSDK.ActionAllow)
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rGet.SetOperation(eaclSDK.OperationGet)
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rGet.SetTargets(*tgtGet)
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tgtPut := eaclSDK.NewTarget()
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tgtPut.SetRole(eaclSDK.RoleUnknown)
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tgtPut.SetBinaryKeys([][]byte{forPutGet.Bytes()})
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rPut := eaclSDK.NewRecord()
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rPut.SetAction(eaclSDK.ActionAllow)
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rPut.SetOperation(eaclSDK.OperationPut)
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rPut.SetTargets(*tgtPut)
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tb := eaclSDK.NewTable()
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tb.AddRecord(rGet)
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tb.AddRecord(rPut)
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tgt := eaclSDK.NewTarget()
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tgt.SetRole(eaclSDK.RoleOthers)
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for _, op := range []eaclSDK.Operation{eaclSDK.OperationGet, eaclSDK.OperationPut} {
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r := eaclSDK.NewRecord()
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r.SetAction(eaclSDK.ActionDeny)
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r.SetTargets(*tgt)
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r.SetOperation(op)
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tb.AddRecord(r)
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func testChain(forPutGet, forGet *keys.PublicKey) *chain.Chain {
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ruleGet := chain.Rule{
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Status: chain.Allow,
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Resources: chain.Resources{Names: []string{native.ResourceFormatAllObjects}},
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Actions: chain.Actions{Names: []string{native.MethodGetObject}},
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Any: true,
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Condition: []chain.Condition{
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{
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Op: chain.CondStringEquals,
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Kind: chain.KindRequest,
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Key: native.PropertyKeyActorPublicKey,
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Value: hex.EncodeToString(forPutGet.Bytes()),
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},
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{
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Op: chain.CondStringEquals,
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Kind: chain.KindRequest,
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Key: native.PropertyKeyActorPublicKey,
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Value: hex.EncodeToString(forGet.Bytes()),
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},
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},
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}
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rulePut := chain.Rule{
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Status: chain.Allow,
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Resources: chain.Resources{Names: []string{native.ResourceFormatAllObjects}},
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Actions: chain.Actions{Names: []string{native.MethodPutObject}},
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Any: true,
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Condition: []chain.Condition{
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{
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Op: chain.CondStringEquals,
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Kind: chain.KindRequest,
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Key: native.PropertyKeyActorPublicKey,
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Value: hex.EncodeToString(forPutGet.Bytes()),
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},
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},
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}
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tb.SetCID(cid)
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return tb
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return &chain.Chain{
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Rules: []chain.Rule{
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ruleGet,
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rulePut,
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},
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}
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}
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