com.hortonworks.amstore.view.proxy.Proxy.java Source code

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Here is the source code for com.hortonworks.amstore.view.proxy.Proxy.java

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/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses 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.hortonworks.amstore.view.proxy;

import org.apache.ambari.view.URLStreamProvider;
import org.apache.commons.codec.binary.Base64;

import java.util.HashMap;
import java.util.Map;

/**
 * Proxy with ability to make authorized request
 * with simple authorization headers
 */
public class Proxy {

    private URLStreamProvider urlStreamProvider;
    private boolean useAuthorization = false;
    private String username;
    private String password;
    private Map<String, String> customHeaders;

    /**
     * Constructor
     * @param urlStreamProvider url stream provider
     */
    public Proxy(URLStreamProvider urlStreamProvider) {
        this.urlStreamProvider = urlStreamProvider;
    }

    /**
     * Create RequestBuilder object with
     * initialized proxy options
     * @param url url
     * @return RequestBuilder instance
     */
    public RequestBuilder request(String url) {
        return new RequestBuilder(urlStreamProvider, url).setHeaders(makeHeaders());
    }

    private HashMap<String, String> makeHeaders() {
        HashMap<String, String> headers = new HashMap<String, String>();
        headers.putAll(customHeaders);

        if (isUseAuthorization()) {
            String authString = username + ":" + password;
            byte[] authEncBytes = Base64.encodeBase64(authString.getBytes());
            String authStringEnc = new String(authEncBytes);

            headers.put("Authorization", "Basic " + authStringEnc);
        }
        return headers;
    }

    public boolean isUseAuthorization() {
        return useAuthorization;
    }

    public void setUseAuthorization(boolean useAuthorization) {
        this.useAuthorization = useAuthorization;
    }

    public String getUsername() {
        return username;
    }

    public void setUsername(String username) {
        this.username = username;
    }

    public String getPassword() {
        return password;
    }

    public void setPassword(String password) {
        this.password = password;
    }

    public URLStreamProvider getUrlStreamProvider() {
        return urlStreamProvider;
    }

    public void setUrlStreamProvider(URLStreamProvider urlStreamProvider) {
        this.urlStreamProvider = urlStreamProvider;
    }

    public Map<String, String> getCustomHeaders() {
        return customHeaders;
    }

    public void setCustomHeaders(Map<String, String> customHeaders) {
        this.customHeaders = customHeaders;
    }
}