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defaultaclprovider.go
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defaultaclprovider.go
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/*
Copyright IBM Corp. All Rights Reserved.
SPDX-License-Identifier: Apache-2.0
*/
package aclmgmt
import (
"fmt"
"github.com/hyperledger/fabric-protos-go/common"
pb "github.com/hyperledger/fabric-protos-go/peer"
"github.com/hyperledger/fabric/common/policies"
"github.com/hyperledger/fabric/core/aclmgmt/resources"
"github.com/hyperledger/fabric/core/policy"
"github.com/hyperledger/fabric/msp/mgmt"
"github.com/hyperledger/fabric/protoutil"
)
const (
CHANNELREADERS = policies.ChannelApplicationReaders
CHANNELWRITERS = policies.ChannelApplicationWriters
)
type defaultACLProvider interface {
ACLProvider
IsPtypePolicy(resName string) bool
}
//defaultACLProvider used if resource-based ACL Provider is not provided or
//if it does not contain a policy for the named resource
type defaultACLProviderImpl struct {
policyChecker policy.PolicyChecker
//peer wide policy (currently not used)
pResourcePolicyMap map[string]string
//channel specific policy
cResourcePolicyMap map[string]string
}
func newDefaultACLProvider(policyChecker policy.PolicyChecker) defaultACLProvider {
d := &defaultACLProviderImpl{
policyChecker: policyChecker,
pResourcePolicyMap: map[string]string{},
cResourcePolicyMap: map[string]string{},
}
//-------------- _lifecycle --------------
d.pResourcePolicyMap[resources.Lifecycle_InstallChaincode] = mgmt.Admins
d.pResourcePolicyMap[resources.Lifecycle_QueryInstalledChaincode] = mgmt.Admins
d.pResourcePolicyMap[resources.Lifecycle_GetInstalledChaincodePackage] = mgmt.Admins
d.pResourcePolicyMap[resources.Lifecycle_QueryInstalledChaincodes] = mgmt.Admins
d.pResourcePolicyMap[resources.Lifecycle_ApproveChaincodeDefinitionForMyOrg] = mgmt.Admins
d.cResourcePolicyMap[resources.Lifecycle_CommitChaincodeDefinition] = CHANNELWRITERS
d.cResourcePolicyMap[resources.Lifecycle_QueryChaincodeDefinition] = CHANNELWRITERS
d.cResourcePolicyMap[resources.Lifecycle_QueryChaincodeDefinitions] = CHANNELWRITERS
d.cResourcePolicyMap[resources.Lifecycle_CheckCommitReadiness] = CHANNELWRITERS
//-------------- LSCC --------------
//p resources (implemented by the chaincode currently)
d.pResourcePolicyMap[resources.Lscc_Install] = mgmt.Admins
d.pResourcePolicyMap[resources.Lscc_GetInstalledChaincodes] = mgmt.Admins
//c resources
d.cResourcePolicyMap[resources.Lscc_Deploy] = "" //ACL check covered by PROPOSAL
d.cResourcePolicyMap[resources.Lscc_Upgrade] = "" //ACL check covered by PROPOSAL
d.cResourcePolicyMap[resources.Lscc_ChaincodeExists] = CHANNELREADERS
d.cResourcePolicyMap[resources.Lscc_GetDeploymentSpec] = CHANNELREADERS
d.cResourcePolicyMap[resources.Lscc_GetChaincodeData] = CHANNELREADERS
d.cResourcePolicyMap[resources.Lscc_GetInstantiatedChaincodes] = CHANNELREADERS
d.cResourcePolicyMap[resources.Lscc_GetCollectionsConfig] = CHANNELREADERS
//-------------- QSCC --------------
//p resources (none)
//c resources
d.cResourcePolicyMap[resources.Qscc_GetChainInfo] = CHANNELREADERS
d.cResourcePolicyMap[resources.Qscc_GetBlockByNumber] = CHANNELREADERS
d.cResourcePolicyMap[resources.Qscc_GetBlockByHash] = CHANNELREADERS
d.cResourcePolicyMap[resources.Qscc_GetTransactionByID] = CHANNELREADERS
d.cResourcePolicyMap[resources.Qscc_GetBlockByTxID] = CHANNELREADERS
//--------------- CSCC resources -----------
//p resources (implemented by the chaincode currently)
d.pResourcePolicyMap[resources.Cscc_JoinChain] = mgmt.Admins
d.pResourcePolicyMap[resources.Cscc_GetChannels] = mgmt.Members
//c resources
d.cResourcePolicyMap[resources.Cscc_GetConfigBlock] = CHANNELREADERS
//---------------- non-scc resources ------------
//Peer resources
d.cResourcePolicyMap[resources.Peer_Propose] = CHANNELWRITERS
d.cResourcePolicyMap[resources.Peer_ChaincodeToChaincode] = CHANNELWRITERS
//Event resources
d.cResourcePolicyMap[resources.Event_Block] = CHANNELREADERS
d.cResourcePolicyMap[resources.Event_FilteredBlock] = CHANNELREADERS
return d
}
func (d *defaultACLProviderImpl) IsPtypePolicy(resName string) bool {
_, ok := d.pResourcePolicyMap[resName]
return ok
}
// CheckACL provides default (v 1.0) behavior by mapping resources to their ACL for a channel.
func (d *defaultACLProviderImpl) CheckACL(resName string, channelID string, idinfo interface{}) error {
//the default behavior is to use p type if defined and use channeless policy checks
policy := d.pResourcePolicyMap[resName]
if policy != "" {
channelID = ""
} else {
policy = d.cResourcePolicyMap[resName]
if policy == "" {
aclLogger.Errorf("Unmapped policy for %s", resName)
return fmt.Errorf("Unmapped policy for %s", resName)
}
}
switch typedData := idinfo.(type) {
case *pb.SignedProposal:
return d.policyChecker.CheckPolicy(channelID, policy, typedData)
case *common.Envelope:
sd, err := protoutil.EnvelopeAsSignedData(typedData)
if err != nil {
return err
}
return d.policyChecker.CheckPolicyBySignedData(channelID, policy, sd)
case []*protoutil.SignedData:
return d.policyChecker.CheckPolicyBySignedData(channelID, policy, typedData)
default:
aclLogger.Errorf("Unmapped id on checkACL %s", resName)
return fmt.Errorf("Unknown id on checkACL %s", resName)
}
}