001/*
002 *   Copyright 2020 Vonage
003 *
004 *   Licensed under the Apache License, Version 2.0 (the "License");
005 *   you may not use this file except in compliance with the License.
006 *   You may obtain a copy of the License at
007 *
008 *        http://www.apache.org/licenses/LICENSE-2.0
009 *
010 *   Unless required by applicable law or agreed to in writing, software
011 *   distributed under the License is distributed on an "AS IS" BASIS,
012 *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 *   See the License for the specific language governing permissions and
014 *   limitations under the License.
015 */
016package com.vonage.client.auth;
017
018import org.apache.http.NameValuePair;
019import org.apache.http.client.methods.RequestBuilder;
020
021import java.util.List;
022
023public class SignatureAuthMethod extends AbstractAuthMethod {
024    public final int SORT_KEY = 20;
025
026    private String apiKey;
027    private String secret;
028
029    public SignatureAuthMethod(String apiKey, String secret) {
030        this.apiKey = apiKey;
031        this.secret = secret;
032    }
033
034    @Override
035    public RequestBuilder apply(RequestBuilder request) {
036        request.addParameter("api_key", apiKey);
037        List<NameValuePair> params = request.getParameters();
038        RequestSigning.constructSignatureForRequestParameters(params, secret);
039
040        // TODO: This is ugly:
041        request.addParameter(params.get(params.size()-1));
042        request.addParameter(params.get(params.size()-2));
043
044        return request;
045    }
046
047    @Override
048    public int getSortKey() {
049        return SORT_KEY;
050    }
051}