forked from TrueCloudLab/frostfs-s3-gw
101 lines
3.1 KiB
Go
101 lines
3.1 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/api/handler"
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"git.frostfs.info/TrueCloudLab/frostfs-s3-gw/internal/logs"
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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 (
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_ engine.MorphRuleChainStorage = (*MorphRuleChainStorage)(nil)
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_ handler.MorphRuleChainStorage = (*MorphRuleChainStorage)(nil)
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)
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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) AddChain(target engine.Target, policyChain *chain.Chain) error {
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return c.contract.Wait(c.AddMorphRuleChain(chain.S3, target, policyChain))
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}
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func (c *MorphRuleChainStorage) RemoveChain(target engine.Target, chainID chain.ID) error {
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return c.contract.Wait(c.RemoveMorphRuleChain(chain.S3, target, chainID))
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}
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func (c *MorphRuleChainStorage) ListChains(target engine.Target) ([]*chain.Chain, error) {
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return c.ListMorphRuleChains(chain.S3, target)
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}
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func (c *MorphRuleChainStorage) AddMorphRuleChain(name chain.Name, target engine.Target, policyChain *chain.Chain) (util.Uint256, uint32, error) {
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c.cache.Delete(cache.MorphPolicyCacheKey{Target: target, Name: name})
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return c.contract.AddChain(getKind(target), target.Name, getName(name, policyChain.ID), policyChain.Bytes())
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}
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func (c *MorphRuleChainStorage) RemoveMorphRuleChain(name chain.Name, target engine.Target, chainID chain.ID) (util.Uint256, uint32, error) {
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c.cache.Delete(cache.MorphPolicyCacheKey{Target: target, Name: name})
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return c.contract.RemoveChain(getKind(target), target.Name, getName(name, chainID))
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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 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 getName(name chain.Name, chainID chain.ID) []byte {
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return append([]byte(name), []byte(chainID)...)
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}
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