forked from TrueCloudLab/frostfs-node
aarifullin
e361e017f3
* Update policy-engine package version in go.mod, go.sum. * Refactor CheckIfRequestPermitted: pass container target instead container ID. Signed-off-by: Airat Arifullin <a.arifullin@yadro.com>
60 lines
1.7 KiB
Go
60 lines
1.7 KiB
Go
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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apechain "git.frostfs.info/TrueCloudLab/policy-engine/pkg/chain"
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policyengine "git.frostfs.info/TrueCloudLab/policy-engine/pkg/engine"
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)
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var errAPEChainNoSource = errors.New("could not get ape chain source for the container")
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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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cnrTarget := getResource(reqInfo).Name()
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status, ruleFound, err := chainCache.IsAllowed(apechain.Ingress, policyengine.NewRequestTargetWithContainer(cnrTarget), request)
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if err != nil {
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return err
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}
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if !ruleFound || status == apechain.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 apechain.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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