126 lines
3.7 KiB
Go
126 lines
3.7 KiB
Go
package policy
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import (
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"fmt"
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policycontract "git.frostfs.info/TrueCloudLab/frostfs-contract/policy"
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"git.frostfs.info/TrueCloudLab/frostfs-s3-gw/api/cache"
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"git.frostfs.info/TrueCloudLab/frostfs-s3-gw/internal/logs"
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cid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container/id"
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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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"github.com/nspcc-dev/neo-go/pkg/util"
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"go.uber.org/zap"
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)
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type MorphRuleChainStorage struct {
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contract Contract
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cache *cache.MorphPolicyCache
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log *zap.Logger
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}
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type MorphRuleChainStorageConfig struct {
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Contract Contract
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Cache *cache.MorphPolicyCache
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Log *zap.Logger
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}
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var _ engine.MorphRuleChainStorage = (*MorphRuleChainStorage)(nil)
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const bucketPolicyPrefix = 'b'
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func NewMorphRuleChainStorage(config *MorphRuleChainStorageConfig) *MorphRuleChainStorage {
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return &MorphRuleChainStorage{
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contract: config.Contract,
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cache: config.Cache,
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log: config.Log,
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}
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}
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func (c *MorphRuleChainStorage) AddMorphRuleChain(chain.Name, engine.Target, *chain.Chain) (util.Uint256, uint32, error) {
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panic("should never be called")
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}
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func (c *MorphRuleChainStorage) RemoveMorphRuleChain(chain.Name, engine.Target, chain.ID) (util.Uint256, uint32, error) {
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panic("should never be called")
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}
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func (c *MorphRuleChainStorage) ListMorphRuleChains(name chain.Name, target engine.Target) ([]*chain.Chain, error) {
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key := cache.MorphPolicyCacheKey{Target: target, Name: name}
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list := c.cache.Get(key)
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if list != nil {
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return list, nil
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}
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listChains, err := c.contract.ListChains(getKind(target), target.Name, []byte(name))
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if err != nil {
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return nil, err
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}
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list = make([]*chain.Chain, len(listChains))
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for i, listChain := range listChains {
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var item chain.Chain
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if err = item.DecodeBytes(listChain); err != nil {
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return nil, fmt.Errorf("unmarshal chain: %w", err)
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}
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list[i] = &item
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}
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if err = c.cache.Put(key, list); err != nil {
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c.log.Warn(logs.CouldntCacheListPolicyChains)
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}
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return list, nil
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}
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func (c *MorphRuleChainStorage) PutBucketPolicy(ns string, cnrID cid.ID, policy []byte, chains []*chain.Chain) error {
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c.cache.Delete(cache.MorphPolicyCacheKey{Target: engine.NamespaceTarget(ns), Name: chain.S3})
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tx := c.contract.StartTx()
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tx.AddChain(policycontract.IAM, ns, getBucketPolicyName(cnrID), policy)
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for i := range chains {
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tx.AddChain(policycontract.Namespace, ns, chains[i].ID, chains[i].Bytes())
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}
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return c.contract.SendTx(tx)
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}
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func (c *MorphRuleChainStorage) DeleteBucketPolicy(ns string, cnrID cid.ID, chainID chain.ID) error {
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c.cache.Delete(cache.MorphPolicyCacheKey{Target: engine.NamespaceTarget(ns), Name: chain.S3})
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tx := c.contract.StartTx()
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tx.RemoveChain(policycontract.Namespace, ns, chainID)
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tx.RemoveChain(policycontract.IAM, ns, getBucketPolicyName(cnrID))
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return c.contract.SendTx(tx)
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}
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func (c *MorphRuleChainStorage) GetBucketPolicy(ns string, cnrID cid.ID) ([]byte, error) {
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return c.contract.GetChain(policycontract.IAM, ns, getBucketPolicyName(cnrID))
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}
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func (c *MorphRuleChainStorage) SaveACLChains(ns string, chains []*chain.Chain) error {
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c.cache.Delete(cache.MorphPolicyCacheKey{Target: engine.NamespaceTarget(ns), Name: chain.S3})
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c.cache.Delete(cache.MorphPolicyCacheKey{Target: engine.NamespaceTarget(ns), Name: chain.Ingress})
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tx := c.contract.StartTx()
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for i := range chains {
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tx.AddChain(policycontract.Namespace, ns, chains[i].ID, chains[i].Bytes())
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}
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return c.contract.SendTx(tx)
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}
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func getKind(target engine.Target) policycontract.Kind {
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var kind policycontract.Kind = policycontract.Container
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if target.Type != engine.Container {
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kind = policycontract.Namespace
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}
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return kind
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}
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func getBucketPolicyName(cnrID cid.ID) []byte {
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return append([]byte{bucketPolicyPrefix}, cnrID[:]...)
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}
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