114 lines
3.6 KiB
Go
114 lines
3.6 KiB
Go
package ape
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import (
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"context"
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"errors"
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"fmt"
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objectV2 "git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/object"
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"git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/session"
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"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/core/container"
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frostfsidcore "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/core/frostfsid"
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"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/core/netmap"
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checkercore "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/services/common/ape"
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"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/bearer"
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cid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container/id"
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oid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object/id"
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"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/user"
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policyengine "git.frostfs.info/TrueCloudLab/policy-engine/pkg/engine"
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nativeschema "git.frostfs.info/TrueCloudLab/policy-engine/schema/native"
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"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
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)
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type checkerImpl struct {
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checkerCore checkercore.CheckCore
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frostFSIDClient frostfsidcore.SubjectProvider
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headerProvider HeaderProvider
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nm netmap.Source
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cnrSource container.Source
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nodePK []byte
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}
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func NewChecker(localOverrideStorage policyengine.LocalOverrideStorage, morphChainStorage policyengine.MorphRuleChainStorageReader, headerProvider HeaderProvider, frostFSIDClient frostfsidcore.SubjectProvider, nm netmap.Source, st netmap.State, cnrSource container.Source, nodePK []byte) Checker {
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return &checkerImpl{
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checkerCore: checkercore.New(localOverrideStorage, morphChainStorage, frostFSIDClient, st),
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frostFSIDClient: frostFSIDClient,
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headerProvider: headerProvider,
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nm: nm,
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cnrSource: cnrSource,
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nodePK: nodePK,
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}
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}
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type Prm struct {
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Namespace string
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Container cid.ID
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// Object ID is omitted for some methods.
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Object *oid.ID
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// If Header is set, then object attributes and properties will be parsed from
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// a request/response's header.
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Header *objectV2.Header
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// Method must be represented only as a constant represented in native schema.
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Method string
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// Role must be representedonly as a constant represented in native schema.
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Role string
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// An encoded sender's public key string.
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SenderKey string
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// An encoded container's owner user ID.
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ContainerOwner user.ID
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// If SoftAPECheck is set to true, then NoRuleFound is interpreted as allow.
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SoftAPECheck bool
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// The request's bearer token. It is used in order to check APE overrides with the token.
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BearerToken *bearer.Token
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// XHeaders from the request.
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XHeaders []session.XHeader
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}
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var errMissingOID = errors.New("object ID is not set")
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// CheckAPE prepares an APE-request and checks if it is permitted by policies.
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func (c *checkerImpl) CheckAPE(ctx context.Context, prm Prm) error {
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// APE check is ignored for some inter-node requests.
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if prm.Role == nativeschema.PropertyValueContainerRoleContainer {
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return nil
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} else if prm.Role == nativeschema.PropertyValueContainerRoleIR {
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switch prm.Method {
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case nativeschema.MethodGetObject,
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nativeschema.MethodHeadObject,
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nativeschema.MethodSearchObject,
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nativeschema.MethodRangeObject,
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nativeschema.MethodHashObject:
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return nil
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default:
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}
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}
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r, err := c.newAPERequest(ctx, prm)
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if err != nil {
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return fmt.Errorf("failed to create ape request: %w", err)
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}
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pub, err := keys.NewPublicKeyFromString(prm.SenderKey)
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if err != nil {
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return err
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}
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return c.checkerCore.CheckAPE(checkercore.CheckPrm{
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Request: r,
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PublicKey: pub,
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Namespace: prm.Namespace,
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Container: prm.Container,
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ContainerOwner: prm.ContainerOwner,
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BearerToken: prm.BearerToken,
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SoftAPECheck: prm.SoftAPECheck,
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})
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}
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