org.wso2.carbon.identity.entitlement.pep.agent.thrift.Authenticator.java Source code

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Here is the source code for org.wso2.carbon.identity.entitlement.pep.agent.thrift.Authenticator.java

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/*
 * Copyright (c)  WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
 *
 * Licensed 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 org.wso2.carbon.identity.entitlement.pep.agent.thrift;

import org.apache.thrift.TException;
import org.apache.thrift.protocol.TCompactProtocol;
import org.apache.thrift.protocol.TProtocol;
import org.apache.thrift.transport.THttpClient;
import org.wso2.carbon.identity.entitlement.pep.agent.exception.EntitlementAgentException;
import org.wso2.carbon.identity.entitlement.pep.agent.generatedCode.AuthenticatorService;

public class Authenticator {

    private String userName;
    private String password;
    private String serverUrl;
    private String sessionId;

    public Authenticator(String userName, String password, String serverUrl) throws Exception {
        this.userName = userName;
        this.password = password;
        this.serverUrl = serverUrl;

        if (!authenticate()) {
            throw new Exception("Authentication Failed");
        }
    }

    private boolean authenticate() throws Exception {
        boolean isAuthenticated;
        try {
            THttpClient client = new THttpClient(serverUrl);
            TProtocol protocol = new TCompactProtocol(client);
            AuthenticatorService.Client authClient = new AuthenticatorService.Client(protocol);
            client.open();
            sessionId = authClient.authenticate(userName, password);
            client.close();
            isAuthenticated = true;
        } catch (TException e) {
            throw new EntitlementAgentException("Error while authenticating with ThriftAuthenticator", e);
        }
        return isAuthenticated;

    }

    public String getSessionId(boolean isExpired) throws Exception {
        if (isExpired) {
            authenticate();
        }
        return sessionId;
    }

}