TrueCloudLab/frostfs-node
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Introduce a new service: ape_manager #1105

Merged
fyrchik merged 3 commits from aarifullin/frostfs-node:feat/ape_manager into master 2024-05-27 09:34:25 +00:00
Conversation 3 Commits 3 Files changed 14 +841
14 changed files with 841 additions and 0 deletions
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141
cmd/frostfs-cli/modules/ape_manager/add_chain.go Normal file
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@ -0,0 +1,141 @@
package apemanager
import (
"encoding/hex"
"errors"
internalclient "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-cli/internal/client"
"git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-cli/internal/commonflags"
"git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-cli/internal/key"
"git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-cli/modules/util"
commonCmd "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/internal/common"
apemanager_sdk "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/apemanager"
client_sdk "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/client"
cid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container/id"
apechain "git.frostfs.info/TrueCloudLab/policy-engine/pkg/chain"
"github.com/spf13/cobra"
)
const (
chainIDFlag = "chain-id"
chainIDHexFlag = "chain-id-hex"
ruleFlag = "rule"
pathFlag = "path"
)
const (
targetNameFlag = "target-name"
targetNameDesc = "Resource name in APE resource name format"
targetTypeFlag = "target-type"
targetTypeDesc = "Resource type(container/namespace)"
)
const (
defaultNamespace = ""
namespaceTarget = "namespace"
containerTarget = "container"
userTarget = "user"
groupTarget = "group"
)
var (
errUnknownTargetType = errors.New("unknown target type")
)
var addCmd = &cobra.Command{
Use: "add",
Short: "Add rule chain for a target",
Run: add,
PersistentPreRun: func(cmd *cobra.Command, _ []string) {
commonflags.Bind(cmd)
},
}
func parseTarget(cmd *cobra.Command) (ct apemanager_sdk.ChainTarget) {
typ, _ := cmd.Flags().GetString(targetTypeFlag)
name, _ := cmd.Flags().GetString(targetNameFlag)
ct.Name = name
switch typ {
case namespaceTarget:
ct.TargetType = apemanager_sdk.TargetTypeNamespace
case containerTarget:
var cnr cid.ID
commonCmd.ExitOnErr(cmd, "can't decode container ID: %w", cnr.DecodeString(name))
ct.TargetType = apemanager_sdk.TargetTypeContainer
case userTarget:
ct.TargetType = apemanager_sdk.TargetTypeUser
case groupTarget:
ct.TargetType = apemanager_sdk.TargetTypeGroup
default:
commonCmd.ExitOnErr(cmd, "read target type error: %w", errUnknownTargetType)
}
return ct
}
func parseChain(cmd *cobra.Command) apemanager_sdk.Chain {
chainID, _ := cmd.Flags().GetString(chainIDFlag)
hexEncoded, _ := cmd.Flags().GetBool(chainIDHexFlag)
chainIDRaw := []byte(chainID)
if hexEncoded {
var err error
chainIDRaw, err = hex.DecodeString(chainID)
commonCmd.ExitOnErr(cmd, "can't decode chain ID as hex: %w", err)
}
chain := new(apechain.Chain)
chain.ID = apechain.ID(chainIDRaw)
if rules, _ := cmd.Flags().GetStringArray(ruleFlag); len(rules) > 0 {
commonCmd.ExitOnErr(cmd, "parser error: %w", util.ParseAPEChain(chain, rules))
} else if encPath, _ := cmd.Flags().GetString(pathFlag); encPath != "" {
commonCmd.ExitOnErr(cmd, "decode binary or json error: %w", util.ParseAPEChainBinaryOrJSON(chain, encPath))
} else {
commonCmd.ExitOnErr(cmd, "parser error: %w", errors.New("rule is not passed"))
}
cmd.Println("Parsed chain:")
util.PrintHumanReadableAPEChain(cmd, chain)
serialized := chain.Bytes()
return apemanager_sdk.Chain{
Raw: serialized,
}
}
func add(cmd *cobra.Command, _ []string) {
c := parseChain(cmd)
target := parseTarget(cmd)
key := key.Get(cmd)
cli := internalclient.GetSDKClientByFlag(cmd, key, commonflags.RPC)
res, err := cli.APEManagerAddChain(cmd.Context(), client_sdk.PrmAPEManagerAddChain{
ChainTarget: target,
Chain: c,
})
commonCmd.ExitOnErr(cmd, "add chain error: %w", err)
cmd.Println("Rule has been added.")
cmd.Println("Chain ID: ", string(res.ChainID))
}
func initAddCmd() {
commonflags.Init(addCmd)
ff := addCmd.Flags()
ff.StringArray(ruleFlag, []string{}, "Rule statement")
ff.String(pathFlag, "", "Path to encoded chain in JSON or binary format")
ff.String(chainIDFlag, "", "Assign ID to the parsed chain")
ff.String(targetNameFlag, "", targetNameDesc)
ff.String(targetTypeFlag, "", targetTypeDesc)
_ = addCmd.MarkFlagRequired(targetTypeFlag)
ff.Bool(chainIDHexFlag, false, "Flag to parse chain ID as hex")
addCmd.MarkFlagsMutuallyExclusive(pathFlag, ruleFlag)
}

49
cmd/frostfs-cli/modules/ape_manager/list_chain.go Normal file
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@ -0,0 +1,49 @@
package apemanager
import (
internalclient "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-cli/internal/client"
"git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-cli/internal/commonflags"
"git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-cli/internal/key"
apeutil "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-cli/modules/util"
commonCmd "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/internal/common"
client_sdk "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/client"
apechain "git.frostfs.info/TrueCloudLab/policy-engine/pkg/chain"
"github.com/spf13/cobra"
)
var listCmd = &cobra.Command{
Use: "list",
Short: "List rule chains defined on target",
Run: list,
PersistentPreRun: func(cmd *cobra.Command, _ []string) {
commonflags.Bind(cmd)
},
}
func list(cmd *cobra.Command, _ []string) {
target := parseTarget(cmd)
key := key.Get(cmd)
cli := internalclient.GetSDKClientByFlag(cmd, key, commonflags.RPC)
resp, err := cli.APEManagerListChains(cmd.Context(),
client_sdk.PrmAPEManagerListChains{
ChainTarget: target,
})
commonCmd.ExitOnErr(cmd, "list chains call error: %w", err)
for _, respChain := range resp.Chains {
var chain apechain.Chain
commonCmd.ExitOnErr(cmd, "decode error: %w", chain.DecodeBytes(respChain.Raw))
apeutil.PrintHumanReadableAPEChain(cmd, &chain)
}
}
func initListCmd() {
commonflags.Init(listCmd)
ff := listCmd.Flags()
ff.String(targetNameFlag, "", targetNameDesc)
ff.String(targetTypeFlag, "", targetTypeDesc)
_ = listCmd.MarkFlagRequired(targetTypeFlag)
}

66
cmd/frostfs-cli/modules/ape_manager/remove_chain.go Normal file
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@ -0,0 +1,66 @@
package apemanager
import (
"encoding/hex"
"errors"
internalclient "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-cli/internal/client"
"git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-cli/internal/commonflags"
"git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-cli/internal/key"
commonCmd "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/internal/common"
client_sdk "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/client"
"github.com/spf13/cobra"
)
var (
errEmptyChainID = errors.New("chain id cannot be empty")
removeCmd = &cobra.Command{
Use: "remove",
Short: "Remove rule chain for a target",
Run: remove,
PersistentPreRun: func(cmd *cobra.Command, _ []string) {
commonflags.Bind(cmd)
},
}
)
func remove(cmd *cobra.Command, _ []string) {
target := parseTarget(cmd)
key := key.Get(cmd)
cli := internalclient.GetSDKClientByFlag(cmd, key, commonflags.RPC)
chainID, _ := cmd.Flags().GetString(chainIDFlag)
if chainID == "" {
commonCmd.ExitOnErr(cmd, "read chain id error: %w", errEmptyChainID)
}
chainIDRaw := []byte(chainID)
hexEncoded, _ := cmd.Flags().GetBool(chainIDHexFlag)
if hexEncoded {
var err error
chainIDRaw, err = hex.DecodeString(chainID)
commonCmd.ExitOnErr(cmd, "can't decode chain ID as hex: %w", err)
}
_, err := cli.APEManagerRemoveChain(cmd.Context(), client_sdk.PrmAPEManagerRemoveChain{
ChainTarget: target,
ChainID: chainIDRaw,
})
commonCmd.ExitOnErr(cmd, "remove chain error: %w", err)
cmd.Println("\nRule has been removed.")
}
func initRemoveCmd() {
commonflags.Init(removeCmd)
ff := removeCmd.Flags()
ff.String(targetNameFlag, "", targetNameDesc)
ff.String(targetTypeFlag, "", targetTypeDesc)
_ = removeCmd.MarkFlagRequired(targetTypeFlag)
ff.String(chainIDFlag, "", "Chain id")
ff.Bool(chainIDHexFlag, false, "Flag to parse chain ID as hex")
}

21
cmd/frostfs-cli/modules/ape_manager/root.go Normal file
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@ -0,0 +1,21 @@
package apemanager
import (
"github.com/spf13/cobra"
)
var Cmd = &cobra.Command{
Use: "ape-manager",
Short: "Operations with APE manager",
Long: `Operations with APE manager`,
}
func init() {
Cmd.AddCommand(addCmd)
Cmd.AddCommand(removeCmd)
Cmd.AddCommand(listCmd)
initAddCmd()
initRemoveCmd()
initListCmd()
}

2
cmd/frostfs-cli/modules/root.go
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@ -8,6 +8,7 @@ import (
"git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-cli/internal/commonflags"
accountingCli "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-cli/modules/accounting"
"git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-cli/modules/acl"
apemanager "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-cli/modules/ape_manager"
bearerCli "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-cli/modules/bearer"
containerCli "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-cli/modules/container"
controlCli "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-cli/modules/control"
@ -81,6 +82,7 @@ func init() {
rootCmd.Flags().Bool("version", false, "Application version and FrostFS API compatibility")
rootCmd.AddCommand(acl.Cmd)
rootCmd.AddCommand(apemanager.Cmd)
rootCmd.AddCommand(bearerCli.Cmd)
rootCmd.AddCommand(sessionCli.Cmd)
rootCmd.AddCommand(accountingCli.Cmd)

29
cmd/frostfs-node/apemanager.go Normal file
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@ -0,0 +1,29 @@
package main
import (
"net"
apemanager_grpc "git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/apemanager/grpc"
ape_contract "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/ape/contract_storage"
morph "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/morph/client"
apemanager_transport "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/network/transport/apemanager/grpc"
"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/services/apemanager"
"google.golang.org/grpc"
)
func initAPEManagerService(c *cfg) {
contractStorage := ape_contract.NewProxyVerificationContractStorage(
morph.NewSwitchRPCGuardedActor(c.cfgMorph.client),
c.shared.key,
c.cfgMorph.proxyScriptHash,
c.cfgObject.cfgAccessPolicyEngine.policyContractHash)
execsvc := apemanager.New(c.cfgObject.cnrSource, contractStorage,
apemanager.WithLogger(c.log))
sigsvc := apemanager.NewSignService(&c.key.PrivateKey, execsvc)
server := apemanager_transport.New(sigsvc)
c.cfgGRPC.performAndSave(func(_ string, _ net.Listener, s *grpc.Server) {
apemanager_grpc.RegisterAPEManagerServiceServer(s, server)
})
}

1
cmd/frostfs-node/main.go
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@ -114,6 +114,7 @@ func initApp(ctx context.Context, c *cfg) {
initAndLog(c, "notification", func(c *cfg) { initNotifications(ctx, c) })
initAndLog(c, "object", initObjectService)
initAndLog(c, "tree", initTreeService)
initAndLog(c, "apemanager", initAPEManagerService)
initAndLog(c, "control", initControlService)
initAndLog(c, "morph notifications", func(c *cfg) { listenMorphNotifications(ctx, c) })

128
pkg/ape/contract_storage/proxy.go Normal file
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@ -0,0 +1,128 @@
package contractstorage
import (
"git.frostfs.info/TrueCloudLab/policy-engine/pkg/chain"
"git.frostfs.info/TrueCloudLab/policy-engine/pkg/engine"
policy_morph "git.frostfs.info/TrueCloudLab/policy-engine/pkg/morph/policy"
"github.com/nspcc-dev/neo-go/pkg/core/transaction"
"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
"github.com/nspcc-dev/neo-go/pkg/rpcclient/actor"
"github.com/nspcc-dev/neo-go/pkg/rpcclient/invoker"
"github.com/nspcc-dev/neo-go/pkg/rpcclient/notary"
"github.com/nspcc-dev/neo-go/pkg/util"
"github.com/nspcc-dev/neo-go/pkg/wallet"
)
type ProxyAdaptedContractStorage interface {
AddMorphRuleChain(name chain.Name, target engine.Target, c *chain.Chain) (util.Uint256, uint32, error)
RemoveMorphRuleChain(name chain.Name, target engine.Target, chainID chain.ID) (util.Uint256, uint32, error)
ListMorphRuleChains(name chain.Name, target engine.Target) ([]*chain.Chain, error)
}
var _ ProxyAdaptedContractStorage = (engine.MorphRuleChainStorage)(nil)
type RPCActorProvider interface {
GetRPCActor() actor.RPCActor
}
// ProxyVerificationContractStorage uses decorated MorphRuleChainStorage with actor where cosigner is a proxy contract.
type ProxyVerificationContractStorage struct {
rpcActorProvider RPCActorProvider
acc *wallet.Account
proxyScriptHash util.Uint160
policyScriptHash util.Uint160
}
var _ ProxyAdaptedContractStorage = (*ProxyVerificationContractStorage)(nil)
func NewProxyVerificationContractStorage(rpcActorProvider RPCActorProvider, key *keys.PrivateKey, proxyScriptHash, policyScriptHash util.Uint160) *ProxyVerificationContractStorage {
return &ProxyVerificationContractStorage{
rpcActorProvider: rpcActorProvider,
acc: wallet.NewAccountFromPrivateKey(key),
proxyScriptHash: proxyScriptHash,
policyScriptHash: policyScriptHash,
}
}
// contractStorageActorAdapter adapats *actor.Actor to policy_morph.ContractStorageActor interface.
type contractStorageActorAdapter struct {
*actor.Actor
rpcActor invoker.RPCInvoke
}
func (n *contractStorageActorAdapter) GetRPCInvoker() invoker.RPCInvoke {
return n.rpcActor
}
func (contractStorage *ProxyVerificationContractStorage) newContractStorageActor() (policy_morph.ContractStorageActor, error) {
rpcActor := contractStorage.rpcActorProvider.GetRPCActor()
act, err := actor.New(rpcActor, cosigners(contractStorage.acc, contractStorage.proxyScriptHash, contractStorage.policyScriptHash))
if err != nil {
return nil, err
}
return &contractStorageActorAdapter{
Actor: act,
rpcActor: rpcActor,
}, nil
}
// AddMorphRuleChain add morph rule chain to Policy contract using both Proxy contract and storage account as consigners.
func (contractStorage *ProxyVerificationContractStorage) AddMorphRuleChain(name chain.Name, target engine.Target, c *chain.Chain) (util.Uint256, uint32, error) {
// contractStorageActor is reconstructed per each method invocation because RPCActor's (that is, basically, WSClient) connection may get invalidated, but
// ProxyVerificationContractStorage does not manage reconnections.
contractStorageActor, err := contractStorage.newContractStorageActor()
if err != nil {
return util.Uint256{}, 0, err
}
return policy_morph.NewContractStorage(contractStorageActor, contractStorage.policyScriptHash).AddMorphRuleChain(name, target, c)
}
// RemoveMorphRuleChain removes morph rule chain from Policy contract using both Proxy contract and storage account as consigners.
func (contractStorage *ProxyVerificationContractStorage) RemoveMorphRuleChain(name chain.Name, target engine.Target, chainID chain.ID) (util.Uint256, uint32, error) {
// contractStorageActor is reconstructed per each method invocation because RPCActor's (that is, basically, WSClient) connection may get invalidated, but
// ProxyVerificationContractStorage does not manage reconnections.
contractStorageActor, err := contractStorage.newContractStorageActor()
if err != nil {
return util.Uint256{}, 0, err
}
return policy_morph.NewContractStorage(contractStorageActor, contractStorage.policyScriptHash).RemoveMorphRuleChain(name, target, chainID)
}
// ListMorphRuleChains lists morph rule chains from Policy contract using both Proxy contract and storage account as consigners.
func (contractStorage *ProxyVerificationContractStorage) ListMorphRuleChains(name chain.Name, target engine.Target) ([]*chain.Chain, error) {
// contractStorageActor is reconstructed per each method invocation because RPCActor's (that is, basically, WSClient) connection may get invalidated, but
// ProxyVerificationContractStorage does not manage reconnections.
contractStorageActor, err := contractStorage.newContractStorageActor()
if err != nil {
return nil, err
}
return policy_morph.NewContractStorage(contractStorageActor, contractStorage.policyScriptHash).ListMorphRuleChains(name, target)
}
func cosigners(acc *wallet.Account, proxyScriptHash, policyScriptHash util.Uint160) []actor.SignerAccount {
return []actor.SignerAccount{
{
Signer: transaction.Signer{
Account: proxyScriptHash,
Scopes: transaction.CustomContracts,
AllowedContracts: []util.Uint160{policyScriptHash},
},
Account: notary.FakeContractAccount(proxyScriptHash),
},
{
Signer: transaction.Signer{
Account: acc.Contract.ScriptHash(),
Scopes: transaction.CalledByEntry,
},
Account: acc,
},
}
}

63
pkg/network/transport/apemanager/grpc/service.go Normal file
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@ -0,0 +1,63 @@
package apemanager
import (
"context"
apemanager_v2 "git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/apemanager"
apemanager_grpc "git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/apemanager/grpc"
apemanager_svc "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/services/apemanager"
)
type Server struct {
srv apemanager_svc.Server
}
var _ apemanager_grpc.APEManagerServiceServer = (*Server)(nil)
func New(c apemanager_svc.Server) *Server {
return &Server{
srv: c,
}
}
func (s *Server) AddChain(ctx context.Context, req *apemanager_grpc.AddChainRequest) (*apemanager_grpc.AddChainResponse, error) {
v2req := new(apemanager_v2.AddChainRequest)
if err := v2req.FromGRPCMessage(req); err != nil {
return nil, err
}
resp, err := s.srv.AddChain(ctx, v2req)
if err != nil {
return nil, err
}
return resp.ToGRPCMessage().(*apemanager_grpc.AddChainResponse), nil
}
func (s *Server) RemoveChain(ctx context.Context, req *apemanager_grpc.RemoveChainRequest) (*apemanager_grpc.RemoveChainResponse, error) {
v2req := new(apemanager_v2.RemoveChainRequest)
if err := v2req.FromGRPCMessage(req); err != nil {
return nil, err
}
resp, err := s.srv.RemoveChain(ctx, v2req)
if err != nil {
return nil, err
}
return resp.ToGRPCMessage().(*apemanager_grpc.RemoveChainResponse), nil
}
func (s *Server) ListChains(ctx context.Context, req *apemanager_grpc.ListChainsRequest) (*apemanager_grpc.ListChainsResponse, error) {
v2req := new(apemanager_v2.ListChainsRequest)
if err := v2req.FromGRPCMessage(req); err != nil {
return nil, err
}
resp, err := s.srv.ListChains(ctx, v2req)
if err != nil {
return nil, err
}
return resp.ToGRPCMessage().(*apemanager_grpc.ListChainsResponse), nil
}

11
pkg/services/apemanager/errors/errors.go Normal file
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@ -0,0 +1,11 @@
package errors
import (
apistatus "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/client/status"
)
func ErrAPEManagerAccessDenied(reason string) error {
err := new(apistatus.APEManagerAccessDenied)
err.WriteReason(reason)
return err
}

245
pkg/services/apemanager/executor.go Normal file
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@ -0,0 +1,245 @@
package apemanager
import (
"context"
"crypto/ecdsa"
"crypto/elliptic"
"crypto/rand"
"errors"
"fmt"
apemanager_v2 "git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/apemanager"
"git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/refs"
session "git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/session"
ape_contract "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/ape/contract_storage"
containercore "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/core/container"
apemanager_errors "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/services/apemanager/errors"
"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/util/logger"
cidSDK "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container/id"
"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/user"
apechain "git.frostfs.info/TrueCloudLab/policy-engine/pkg/chain"
policy_engine "git.frostfs.info/TrueCloudLab/policy-engine/pkg/engine"
"github.com/mr-tron/base58/base58"
"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
"go.uber.org/zap"
)
var (
errEmptyBodySignature = errors.New("malformed request: empty body signature")
)
type cfg struct {
log *logger.Logger
}
type Service struct {
cfg
cnrSrc containercore.Source
contractStorage ape_contract.ProxyAdaptedContractStorage
}
type Option func(*cfg)
func New(cnrSrc containercore.Source, contractStorage ape_contract.ProxyAdaptedContractStorage, opts ...Option) *Service {
s := &Service{
cnrSrc: cnrSrc,
contractStorage: contractStorage,
}
for i := range opts {
opts[i](&s.cfg)
}
if s.log == nil {
s.log = &logger.Logger{Logger: zap.NewNop()}
}
return s
}
func WithLogger(log *logger.Logger) Option {
return func(c *cfg) {
c.log = log
}
}
var _ Server = (*Service)(nil)
// validateContainerTargetRequest validates request for the container target.
// It checks if request actor is the owner of the container, otherwise it denies the request.
func (s *Service) validateContainerTargetRequest(cid string, pubKey *keys.PublicKey) error {
var cidSDK cidSDK.ID
if err := cidSDK.DecodeString(cid); err != nil {
return fmt.Errorf("invalid CID format: %w", err)
}
isOwner, err := s.isActorContainerOwner(cidSDK, pubKey)
if err != nil {
return fmt.Errorf("failed to check owner: %w", err)
}
if !isOwner {
return apemanager_errors.ErrAPEManagerAccessDenied("actor must be container owner")
}
return nil
}
func (s *Service) AddChain(_ context.Context, req *apemanager_v2.AddChainRequest) (*apemanager_v2.AddChainResponse, error) {
pub, err := getSignaturePublicKey(req.GetVerificationHeader())
if err != nil {
return nil, err
}
chain, err := decodeAndValidateChain(req.GetBody().GetChain().GetKind().(*apemanager_v2.ChainRaw).GetRaw())
if err != nil {
return nil, err
}
if len(chain.ID) == 0 {
const randomIDLength = 10
randID, err := base58Str(randomIDLength)
if err != nil {
return nil, fmt.Errorf("randomize chain ID error: %w", err)
}
chain.ID = apechain.ID(randID)
}
var target policy_engine.Target
switch targetType := req.GetBody().GetTarget().GetTargetType(); targetType {
case apemanager_v2.TargetTypeContainer:
reqCID := req.GetBody().GetTarget().GetName()
if err = s.validateContainerTargetRequest(reqCID, pub); err != nil {
return nil, err
}
target = policy_engine.ContainerTarget(reqCID)
default:
return nil, fmt.Errorf("unsupported target type: %s", targetType)
}
if _, _, err = s.contractStorage.AddMorphRuleChain(apechain.Ingress, target, &chain); err != nil {
return nil, err
}
body := new(apemanager_v2.AddChainResponseBody)
body.SetChainID(chain.ID)
resp := new(apemanager_v2.AddChainResponse)
resp.SetBody(body)
return resp, nil
}
func (s *Service) RemoveChain(_ context.Context, req *apemanager_v2.RemoveChainRequest) (*apemanager_v2.RemoveChainResponse, error) {
pub, err := getSignaturePublicKey(req.GetVerificationHeader())
if err != nil {
return nil, err
}
var target policy_engine.Target
switch targetType := req.GetBody().GetTarget().GetTargetType(); targetType {
case apemanager_v2.TargetTypeContainer:
reqCID := req.GetBody().GetTarget().GetName()
if err = s.validateContainerTargetRequest(reqCID, pub); err != nil {
return nil, err
}
target = policy_engine.ContainerTarget(reqCID)
default:
return nil, fmt.Errorf("unsupported target type: %s", targetType)
}
if _, _, err = s.contractStorage.RemoveMorphRuleChain(apechain.Ingress, target, req.GetBody().GetChainID()); err != nil {
return nil, err
}
body := new(apemanager_v2.RemoveChainResponseBody)
resp := new(apemanager_v2.RemoveChainResponse)
resp.SetBody(body)
return resp, nil
}
func (s *Service) ListChains(_ context.Context, req *apemanager_v2.ListChainsRequest) (*apemanager_v2.ListChainsResponse, error) {
pub, err := getSignaturePublicKey(req.GetVerificationHeader())
if err != nil {
return nil, err
}
var target policy_engine.Target
switch targetType := req.GetBody().GetTarget().GetTargetType(); targetType {
case apemanager_v2.TargetTypeContainer:
reqCID := req.GetBody().GetTarget().GetName()
if err = s.validateContainerTargetRequest(reqCID, pub); err != nil {
return nil, err
}
target = policy_engine.ContainerTarget(reqCID)
default:
return nil, fmt.Errorf("unsupported target type: %s", targetType)
}
chs, err := s.contractStorage.ListMorphRuleChains(apechain.Ingress, target)
if err != nil {
return nil, err
}
res := make([]*apemanager_v2.Chain, 0, len(chs))
for _, ch := range chs {
v2chraw := new(apemanager_v2.ChainRaw)
v2chraw.SetRaw(ch.Bytes())
v2ch := new(apemanager_v2.Chain)
v2ch.SetKind(v2chraw)
res = append(res, v2ch)
}
body := new(apemanager_v2.ListChainsResponseBody)
body.SetChains(res)
resp := new(apemanager_v2.ListChainsResponse)
resp.SetBody(body)
return resp, nil
}
func getSignaturePublicKey(vh *session.RequestVerificationHeader) (*keys.PublicKey, error) {
for vh.GetOrigin() != nil {
vh = vh.GetOrigin()
}
sig := vh.GetBodySignature()
if sig == nil {
return nil, errEmptyBodySignature
}
key, err := keys.NewPublicKeyFromBytes(sig.GetKey(), elliptic.P256())
if err != nil {
return nil, fmt.Errorf("invalid signature key: %w", err)
}
return key, nil
}
func (s *Service) isActorContainerOwner(cid cidSDK.ID, pk *keys.PublicKey) (bool, error) {
var actor user.ID
user.IDFromKey(&actor, (ecdsa.PublicKey)(*pk))
actorOwnerID := new(refs.OwnerID)
actor.WriteToV2(actorOwnerID)
cnr, err := s.cnrSrc.Get(cid)
if err != nil {
return false, fmt.Errorf("get container error: %w", err)
}
return cnr.Value.Owner().Equals(actor), nil
}
// base58Str generates base58 string.
func base58Str(n int) (string, error) {
b := make([]byte, n)
_, err := rand.Read(b)
if err != nil {
return "", err
}
return base58.FastBase58Encoding(b), nil
}

13
pkg/services/apemanager/server.go Normal file
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@ -0,0 +1,13 @@
package apemanager
import (
"context"
apemanager_v2 "git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/apemanager"
)
type Server interface {
AddChain(context.Context, *apemanager_v2.AddChainRequest) (*apemanager_v2.AddChainResponse, error)
RemoveChain(context.Context, *apemanager_v2.RemoveChainRequest) (*apemanager_v2.RemoveChainResponse, error)
ListChains(context.Context, *apemanager_v2.ListChainsRequest) (*apemanager_v2.ListChainsResponse, error)
}

49
pkg/services/apemanager/sign.go Normal file
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@ -0,0 +1,49 @@
package apemanager
import (
"context"
"crypto/ecdsa"
apemanager_v2 "git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/apemanager"
"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/services/util"
)
type signService struct {
sigSvc *util.SignService
next Server
}
func NewSignService(key *ecdsa.PrivateKey, next Server) Server {
return &signService{
sigSvc: util.NewUnarySignService(key),
next: next,
}
}
func (s *signService) AddChain(ctx context.Context, req *apemanager_v2.AddChainRequest) (*apemanager_v2.AddChainResponse, error) {
if err := s.sigSvc.VerifyRequest(req); err != nil {
resp := new(apemanager_v2.AddChainResponse)
return resp, s.sigSvc.SignResponse(resp, err)
}
resp, err := util.EnsureNonNilResponse(s.next.AddChain(ctx, req))
return resp, s.sigSvc.SignResponse(resp, err)
}
func (s *signService) RemoveChain(ctx context.Context, req *apemanager_v2.RemoveChainRequest) (*apemanager_v2.RemoveChainResponse, error) {
if err := s.sigSvc.VerifyRequest(req); err != nil {
resp := new(apemanager_v2.RemoveChainResponse)
return resp, s.sigSvc.SignResponse(resp, err)
}
resp, err := util.EnsureNonNilResponse(s.next.RemoveChain(ctx, req))
return resp, s.sigSvc.SignResponse(resp, err)
}
func (s *signService) ListChains(ctx context.Context, req *apemanager_v2.ListChainsRequest) (*apemanager_v2.ListChainsResponse, error) {
if err := s.sigSvc.VerifyRequest(req); err != nil {
resp := new(apemanager_v2.ListChainsResponse)
return resp, s.sigSvc.SignResponse(resp, err)
}
resp, err := util.EnsureNonNilResponse(s.next.ListChains(ctx, req))
return resp, s.sigSvc.SignResponse(resp, err)
}

23
pkg/services/apemanager/validation.go Normal file
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@ -0,0 +1,23 @@
package apemanager
import (
"fmt"
"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/services/control/server/ape"
apechain "git.frostfs.info/TrueCloudLab/policy-engine/pkg/chain"
)
func decodeAndValidateChain(encodedChain []byte) (chain apechain.Chain, err error) {
if err = chain.DecodeBytes(encodedChain); err != nil {
return
}
for _, rule := range chain.Rules {
for _, name := range rule.Resources.Names {
if err = ape.ValidateResourceName(name); err != nil {
err = fmt.Errorf("invalid resource: %w", err)
return
}
}
}
return
}