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sanitycheck.go
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/
sanitycheck.go
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/*
Copyright IBM Corp. 2017 All Rights Reserved.
SPDX-License-Identifier: Apache-2.0
*/
package sanitycheck
import (
"fmt"
newchannelconfig "github.com/hyperledger/fabric/common/channelconfig"
cb "github.com/hyperledger/fabric/protos/common"
mspprotos "github.com/hyperledger/fabric/protos/msp"
"github.com/golang/protobuf/proto"
)
type Messages struct {
GeneralErrors []string `json:"general_errors"`
ElementWarnings []*ElementMessage `json:"element_warnings"`
ElementErrors []*ElementMessage `json:"element_errors"`
}
type ElementMessage struct {
Path string `json:"path"`
Message string `json:"message"`
}
func Check(config *cb.Config) (*Messages, error) {
result := &Messages{}
bundle, err := newchannelconfig.NewBundle("sanitycheck", config)
if err != nil {
result.GeneralErrors = []string{err.Error()}
return result, nil
}
// This should come from the MSP manager, but, for some reason
// the MSP manager is not intialized if there are no orgs, so,
// we collect this manually.
mspMap := make(map[string]struct{})
if ac, ok := bundle.ApplicationConfig(); ok {
for _, org := range ac.Organizations() {
mspMap[org.MSPID()] = struct{}{}
}
}
if oc, ok := bundle.OrdererConfig(); ok {
for _, org := range oc.Organizations() {
mspMap[org.MSPID()] = struct{}{}
}
}
policyWarnings, policyErrors := checkPolicyPrincipals(config.ChannelGroup, "", mspMap)
result.ElementWarnings = policyWarnings
result.ElementErrors = policyErrors
return result, nil
}
func checkPolicyPrincipals(group *cb.ConfigGroup, basePath string, mspMap map[string]struct{}) (warnings []*ElementMessage, errors []*ElementMessage) {
for policyName, configPolicy := range group.Policies {
appendError := func(err string) {
errors = append(errors, &ElementMessage{
Path: basePath + ".policies." + policyName,
Message: err,
})
}
appendWarning := func(err string) {
warnings = append(errors, &ElementMessage{
Path: basePath + ".policies." + policyName,
Message: err,
})
}
if configPolicy.Policy == nil {
appendError(fmt.Sprintf("no policy value set for %s", policyName))
continue
}
if configPolicy.Policy.Type != int32(cb.Policy_SIGNATURE) {
continue
}
spe := &cb.SignaturePolicyEnvelope{}
err := proto.Unmarshal(configPolicy.Policy.Value, spe)
if err != nil {
appendError(fmt.Sprintf("error unmarshaling policy value to SignaturePolicyEnvelope: %s", err))
continue
}
for i, identity := range spe.Identities {
var mspID string
switch identity.PrincipalClassification {
case mspprotos.MSPPrincipal_ROLE:
role := &mspprotos.MSPRole{}
err = proto.Unmarshal(identity.Principal, role)
if err != nil {
appendError(fmt.Sprintf("value of identities array at index %d is of type ROLE, but could not be unmarshaled to msp.MSPRole: %s", i, err))
continue
}
mspID = role.MspIdentifier
case mspprotos.MSPPrincipal_ORGANIZATION_UNIT:
ou := &mspprotos.OrganizationUnit{}
err = proto.Unmarshal(identity.Principal, ou)
if err != nil {
appendError(fmt.Sprintf("value of identities array at index %d is of type ORGANIZATION_UNIT, but could not be unmarshaled to msp.OrganizationUnit: %s", i, err))
continue
}
mspID = ou.MspIdentifier
default:
continue
}
_, ok := mspMap[mspID]
if !ok {
appendWarning(fmt.Sprintf("identity principal at index %d refers to MSP ID '%s', which is not an MSP in the network", i, mspID))
}
}
}
for subGroupName, subGroup := range group.Groups {
subWarnings, subErrors := checkPolicyPrincipals(subGroup, basePath+".groups."+subGroupName, mspMap)
warnings = append(warnings, subWarnings...)
errors = append(errors, subErrors...)
}
return
}