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/*
* 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 okhttp3;
import java.io.IOException;
import java.net.Authenticator.RequestorType;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.PasswordAuthentication;
import java.net.Proxy;
import java.util.List;
/**
* Adapts {@link java.net.Authenticator} to {@link Authenticator}. Configure OkHttp to use {@link
* java.net.Authenticator} with {@link OkHttpClient.Builder#authenticator} or {@link
* OkHttpClient.Builder#proxyAuthenticator(Authenticator)}.
*/
public final class JavaNetAuthenticator implements Authenticator {
@Override public Request authenticate(Request request) throws IOException {
return null;
}
@Override public Request authenticate(Route route, Response response) throws IOException {
List challenges = response.challenges();
Request request = response.request();
HttpUrl url = request.url();
boolean proxyAuthorization = response.code() == 407;
Proxy proxy = route.proxy();
for (int i = 0, size = challenges.size(); i < size; i++) {
Challenge challenge = challenges.get(i);
if (!"Basic".equalsIgnoreCase(challenge.scheme())) continue;
PasswordAuthentication auth;
if (proxyAuthorization) {
InetSocketAddress proxyAddress = (InetSocketAddress) proxy.address();
auth = java.net.Authenticator.requestPasswordAuthentication(
proxyAddress.getHostName(), getConnectToInetAddress(proxy, url), proxyAddress.getPort(),
url.scheme(), challenge.realm(), challenge.scheme(), url.url(),
RequestorType.PROXY);
} else {
auth = java.net.Authenticator.requestPasswordAuthentication(
url.host(), getConnectToInetAddress(proxy, url), url.port(), url.scheme(),
challenge.realm(), challenge.scheme(), url.url(), RequestorType.SERVER);
}
if (auth != null) {
String credential = Credentials.basic(
auth.getUserName(), new String(auth.getPassword()), challenge.charset());
return request.newBuilder()
.header(proxyAuthorization ? "Proxy-Authorization" : "Authorization", credential)
.build();
}
}
return null; // No challenges were satisfied!
}
private InetAddress getConnectToInetAddress(Proxy proxy, HttpUrl url) throws IOException {
return (proxy != null && proxy.type() != Proxy.Type.DIRECT)
? ((InetSocketAddress) proxy.address()).getAddress()
: InetAddress.getByName(url.host());
}
}
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