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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/common/policies"
"github.com/hyperledger/fabric/core/aclmgmt/resources"
"github.com/hyperledger/fabric/core/peer"
"github.com/hyperledger/fabric/core/policy"
"github.com/hyperledger/fabric/msp/mgmt"
"github.com/hyperledger/fabric/protos/common"
pb "github.com/hyperledger/fabric/protos/peer"
)
const (
CHANNELREADERS = policies.ChannelApplicationReaders
CHANNELWRITERS = policies.ChannelApplicationWriters
)
//defaultACLProvider used if resource-based ACL Provider is not provided or
//if it does not contain a policy for the named resource
type defaultACLProvider struct {
policyChecker policy.PolicyChecker
//peer wide policy (currently not used)
pResourcePolicyMap map[string]string
//channel specific policy
cResourcePolicyMap map[string]string
}
func NewDefaultACLProvider() ACLProvider {
d := &defaultACLProvider{}
d.initialize()
return d
}
func (d *defaultACLProvider) initialize() {
d.policyChecker = policy.NewPolicyChecker(
peer.NewChannelPolicyManagerGetter(),
mgmt.GetLocalMSP(),
mgmt.NewLocalMSPPrincipalGetter(),
)
d.pResourcePolicyMap = make(map[string]string)
d.cResourcePolicyMap = make(map[string]string)
//-------------- LSCC --------------
//p resources (implemented by the chaincode currently)
d.pResourcePolicyMap[resources.Lscc_Install] = ""
d.pResourcePolicyMap[resources.Lscc_GetInstalledChaincodes] = ""
//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] = ""
d.pResourcePolicyMap[resources.Cscc_GetChannels] = ""
//c resources
d.cResourcePolicyMap[resources.Cscc_GetConfigBlock] = CHANNELREADERS
d.cResourcePolicyMap[resources.Cscc_GetConfigTree] = CHANNELREADERS
d.cResourcePolicyMap[resources.Cscc_SimulateConfigTreeUpdate] = CHANNELWRITERS
//---------------- non-scc resources ------------
//Peer resources
d.cResourcePolicyMap[resources.Peer_Propose] = CHANNELWRITERS
d.cResourcePolicyMap[resources.Peer_ChaincodeToChaincode] = CHANNELWRITERS
d.cResourcePolicyMap[resources.Token_Issue] = CHANNELWRITERS
d.cResourcePolicyMap[resources.Token_Transfer] = CHANNELWRITERS
d.cResourcePolicyMap[resources.Token_List] = CHANNELREADERS
//Event resources
d.cResourcePolicyMap[resources.Event_Block] = CHANNELREADERS
d.cResourcePolicyMap[resources.Event_FilteredBlock] = CHANNELREADERS
}
//this should cover an exhaustive list of everything called from the peer
func (d *defaultACLProvider) defaultPolicy(resName string, cprovider bool) string {
var pol string
if cprovider {
pol = d.cResourcePolicyMap[resName]
} else {
pol = d.pResourcePolicyMap[resName]
}
return pol
}
//CheckACL provides default (v 1.0) behavior by mapping resources to their ACL for a channel
func (d *defaultACLProvider) CheckACL(resName string, channelID string, idinfo interface{}) error {
policy := d.defaultPolicy(resName, true)
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 := typedData.AsSignedData()
if err != nil {
return err
}
return d.policyChecker.CheckPolicyBySignedData(channelID, policy, sd)
case []*common.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)
}
}