/*
    * Copyright (C) 2010 Atlassian
    *
    * 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 com.atlassian.jira.rest.client.auth;
  
  import com.atlassian.httpclient.api.Request;
  import com.atlassian.jira.rest.client.api.AuthenticationHandler;
  import org.apache.commons.codec.binary.Base64;
  
  /**
   * Handler for HTTP basic authentication.
   * Do NOT use it in with unencrypted HTTP protocol over public networks, as credentials are passed
   * effectively in free text.
   *
   * @since v0.1
   */
  public class BasicHttpAuthenticationHandler implements AuthenticationHandler {
  
      private static final String AUTHORIZATION_HEADER = "Authorization";
  
      private final String username;
      private final String password;
  
      public BasicHttpAuthenticationHandler(final String username, final String password) {
          this.username = username;
          this.password = password;
      }
  
      @Override
      public void configure(Request.Builder builder) {
          builder.setHeader(AUTHORIZATION_HEADER, "Basic " + encodeCredentials());
      }
  
      private String encodeCredentials() {
          byte[] credentials = (username + ':' + password).getBytes();
          return new String(Base64.encodeBase64(credentials));
      }
  }