com.wso2telco.dep.mediator.impl.payment.PaymentUtil.java Source code

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/*******************************************************************************
 * Copyright  (c) 2015-2016, WSO2.Telco Inc. (http://www.wso2telco.com) All Rights Reserved.
 * 
 * WSO2.Telco Inc. licences this file to you under  the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 ******************************************************************************/

package com.wso2telco.dep.mediator.impl.payment;

import java.util.List;
import java.util.Map;

import org.apache.axis2.AxisFault;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.synapse.MessageContext;
import org.apache.synapse.core.axis2.Axis2MessageContext;
import org.json.JSONException;
import org.json.JSONObject;

import com.wso2telco.dep.mediator.MSISDNConstants;
import com.wso2telco.dep.mediator.internal.Base64Coder;
import com.wso2telco.dep.oneapivalidation.exceptions.CustomException;

/**
 *
 * @author Wso2telco
 */

public class PaymentUtil {
    private static Log log = LogFactory.getLog(PaymentUtil.class);

    public static String storeSubscription(MessageContext context) throws AxisFault {
        String subscription = null;

        org.apache.axis2.context.MessageContext axis2MessageContext = ((Axis2MessageContext) context)
                .getAxis2MessageContext();
        Object headers = axis2MessageContext.getProperty(org.apache.axis2.context.MessageContext.TRANSPORT_HEADERS);
        if (headers != null && headers instanceof Map) {
            try {
                Map headersMap = (Map) headers;
                String jwtparam = (String) headersMap.get("x-jwt-assertion");
                String[] jwttoken = jwtparam.split("\\.");
                String jwtbody = Base64Coder.decodeString(jwttoken[1]);
                JSONObject jwtobj = new JSONObject(jwtbody);
                subscription = jwtobj.getString("http://wso2.org/claims/subscriber");

            } catch (JSONException ex) {
                throw new AxisFault("Error retriving application id");
            }
        }

        return subscription;
    }

    public static boolean isAggregator(MessageContext context) throws AxisFault {
        boolean aggregator = false;

        try {
            org.apache.axis2.context.MessageContext axis2MessageContext = ((Axis2MessageContext) context)
                    .getAxis2MessageContext();
            Object headers = axis2MessageContext
                    .getProperty(org.apache.axis2.context.MessageContext.TRANSPORT_HEADERS);
            if (headers != null && headers instanceof Map) {
                Map headersMap = (Map) headers;
                String jwtparam = (String) headersMap.get("x-jwt-assertion");
                String[] jwttoken = jwtparam.split("\\.");
                String jwtbody = Base64Coder.decodeString(jwttoken[1]);
                JSONObject jwtobj = new JSONObject(jwtbody);
                String claimaggr = jwtobj.getString("http://wso2.org/claims/role");
                if (claimaggr != null) {
                    String[] allowedRoles = claimaggr.split(",");
                    for (int i = 0; i < allowedRoles.length; i++) {
                        if (allowedRoles[i].contains(MSISDNConstants.AGGRIGATOR_ROLE)) {
                            aggregator = true;
                            break;
                        }
                    }
                }
            }
        } catch (Exception e) {
            log.info("Error retrive aggregator");
        }

        return aggregator;
    }

    public static void validatePaymentCategory(JSONObject chargingdmeta, List<String> lstCategories)
            throws JSONException {
        boolean isvalid = false;
        String chargeCategory = "";
        if ((!chargingdmeta.isNull("purchaseCategoryCode"))
                && (!chargingdmeta.getString("purchaseCategoryCode").isEmpty())) {

            chargeCategory = chargingdmeta.getString("purchaseCategoryCode");
            for (String d : lstCategories) {
                if (d.equalsIgnoreCase(chargeCategory)) {
                    isvalid = true;
                    break;
                }
            }
        } else {
            isvalid = true;
        }

        if (!isvalid) {
            throw new CustomException("POL0001", "A policy error occurred. Error code is %1",
                    new String[] { "Invalid " + "purchaseCategoryCode : " + chargeCategory });
        }
    }

    public static String str_piece(String str, char separator, int index) {
        String str_result = "";
        int count = 0;
        for (int i = 0; i < str.length(); i++) {
            if (str.charAt(i) == separator) {
                count++;
                if (count == index) {
                    break;
                }
            } else {
                if (count == index - 1) {
                    str_result += str.charAt(i);
                }
            }
        }
        return str_result;
    }

}