Examples with MSPRole org.hyperledger.fabric.protos.common.MspPrincipal.MSPRole used on opensource projects

Example 1 with MSPRole

use of org.hyperledger.fabric.protos.common.MspPrincipal.MSPRole in project fabric-sdk-java by hyperledger.

the class ChaincodeEndorsementPolicy method parseIdentities.

private static IndexedHashMap<String, MSPPrincipal> parseIdentities(Map<?, ?> identities) throws ChaincodeEndorsementPolicyParseException {
    // Only Role types are excepted at this time.
    IndexedHashMap<String, MSPPrincipal> ret = new IndexedHashMap<>();
    for (Map.Entry<?, ?> kp : identities.entrySet()) {
        Object key = kp.getKey();
        Object val = kp.getValue();
        if (!(key instanceof String)) {
            throw new ChaincodeEndorsementPolicyParseException(format("In identities key expected String got %s ", key == null ? "null" : key.getClass().getName()));
        }
        if (null != ret.get(key)) {
            throw new ChaincodeEndorsementPolicyParseException(format("In identities with key %s is listed more than once ", key));
        }
        if (!(val instanceof Map)) {
            throw new ChaincodeEndorsementPolicyParseException(format("In identities with key %s value expected Map got %s ", key, val == null ? "null" : val.getClass().getName()));
        }
        Object role = ((Map<?, ?>) val).get("role");
        if (!(role instanceof Map)) {
            throw new ChaincodeEndorsementPolicyParseException(format("In identities with key %s value expected Map for role got %s ", key, role == null ? "null" : role.getClass().getName()));
        }
        final Map<?, ?> roleMap = (Map<?, ?>) role;
        Object nameObj = (roleMap).get("name");
        if (!(nameObj instanceof String)) {
            throw new ChaincodeEndorsementPolicyParseException(format("In identities with key %s name expected String in role got %s ", key, nameObj == null ? "null" : nameObj.getClass().getName()));
        }
        String name = (String) nameObj;
        name = name.trim();
        Object mspId = roleMap.get("mspId");
        if (!(mspId instanceof String)) {
            throw new ChaincodeEndorsementPolicyParseException(format("In identities with key %s mspId expected String in role got %s ", key, mspId == null ? "null" : mspId.getClass().getName()));
        }
        if (StringUtil.isNullOrEmpty((String) mspId)) {
            throw new ChaincodeEndorsementPolicyParseException(format("In identities with key %s mspId must not be null or empty String in role ", key));
        }
        MSPRole.MSPRoleType mspRoleType;
        switch(name) {
            case "member":
                mspRoleType = MSPRole.MSPRoleType.MEMBER;
                break;
            case "admin":
                mspRoleType = MSPRole.MSPRoleType.ADMIN;
                break;
            case "client":
                mspRoleType = MSPRole.MSPRoleType.CLIENT;
                break;
            case "peer":
                mspRoleType = MSPRole.MSPRoleType.PEER;
                break;
            default:
                throw new ChaincodeEndorsementPolicyParseException(format("In identities with key %s name expected member, admin, client, or peer in role got %s ", key, name));
        }
        MSPRole mspRole = MSPRole.newBuilder().setRole(mspRoleType).setMspIdentifier((String) mspId).build();
        MSPPrincipal principal = MSPPrincipal.newBuilder().setPrincipalClassification(MSPPrincipal.Classification.ROLE).setPrincipal(mspRole.toByteString()).build();
        ret.put((String) key, principal);
    }
    if (ret.size() == 0) {
        throw new ChaincodeEndorsementPolicyParseException("No identities were found in the policy specification");
    }
    return ret;
}