forked from TrueCloudLab/frostfs-node
57 lines
1.5 KiB
Go
57 lines
1.5 KiB
Go
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package acl
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import (
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"errors"
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"fmt"
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"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/core/container"
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v2 "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/services/object/acl/v2"
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"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/util/logger"
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apistatus "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/client/status"
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policyengine "git.frostfs.info/TrueCloudLab/policy-engine"
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)
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var (
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errAPEChainNoSource = errors.New("could not get ape chain source for the container")
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)
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type apeCheckerImpl struct {
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log *logger.Logger
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apeSrc container.AccessPolicyEngineChainSource
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}
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func NewAPEChecker(log *logger.Logger, apeSrc container.AccessPolicyEngineChainSource) v2.APEChainChecker {
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return &apeCheckerImpl{
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log: log,
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apeSrc: apeSrc,
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}
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}
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func (c *apeCheckerImpl) CheckIfRequestPermitted(reqInfo v2.RequestInfo) error {
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cnr := reqInfo.ContainerID()
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chainCache, err := c.apeSrc.GetChainSource(cnr)
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if err != nil {
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return errAPEChainNoSource
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}
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request := new(Request)
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request.FromRequestInfo(reqInfo)
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status, ruleFound := chainCache.IsAllowed(policyengine.Ingress, "", request)
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if !ruleFound || status == policyengine.Allow {
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return nil
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}
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return apeErr(reqInfo, status)
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}
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const accessDeniedAPEReasonFmt = "access to operation %s is denied by access policy engine: %s"
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func apeErr(req v2.RequestInfo, status policyengine.Status) error {
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errAccessDenied := &apistatus.ObjectAccessDenied{}
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errAccessDenied.WriteReason(fmt.Sprintf(accessDeniedAPEReasonFmt, req.Operation(), status.String()))
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return errAccessDenied
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}
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