com.squareup.okhttp.Authenticator.java Source code

Introduction

Here is the source code for com.squareup.okhttp.Authenticator.java

Source

/*
 * Copyright (C) 2013 Square, Inc.
 *
 * 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.squareup.okhttp;

import java.io.IOException;
import java.net.Proxy;

/**
 * Responds to authentication challenges from the remote web or proxy server.
 */
public interface Authenticator {
    /**
     * Returns a request that includes a credential to satisfy an authentication
     * challenge in {@code response}. Returns null if the challenge cannot be
     * satisfied. This method is called in response to an HTTP 401 unauthorized
     * status code sent by the origin server.
     *
     * <p>Typical implementations will look up a credential and create a request
     * derived from the initial request by setting the "Authorization" header.
     * <pre>   {@code
     *
     *    String credential = Credentials.basic(...)
     *    return response.request().newBuilder()
     *        .header("Authorization", credential)
     *        .build();
     * }</pre>
     */
    Request authenticate(Proxy proxy, Response response) throws IOException;

    /**
     * Returns a request that includes a credential to satisfy an authentication
     * challenge made by {@code response}. Returns null if the challenge cannot be
     * satisfied. This method is called in response to an HTTP 407 unauthorized
     * status code sent by the proxy server.
     *
     * <p>Typical implementations will look up a credential and create a request
     * derived from the initial request by setting the "Proxy-Authorization"
     * header. <pre>   {@code
     *
     *    String credential = Credentials.basic(...)
     *    return response.request().newBuilder()
     *        .header("Proxy-Authorization", credential)
     *        .build();
     * }</pre>
     */
    Request authenticateProxy(Proxy proxy, Response response) throws IOException;
}