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//  Copyright (c) 1995-2022 Mort Bay Consulting Pty Ltd and others.
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//  All rights reserved. This program and the accompanying materials
//  are made available under the terms of the Eclipse Public License v1.0
//  and Apache License v2.0 which accompanies this distribution.
//
//      The Eclipse Public License is available at
//      http://www.eclipse.org/legal/epl-v10.html
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//      The Apache License v2.0 is available at
//      http://www.opensource.org/licenses/apache2.0.php
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package com.signalfx.shaded.jetty.client.util;

import java.net.URI;
import java.nio.charset.Charset;
import java.nio.charset.StandardCharsets;
import java.util.Base64;

import com.signalfx.shaded.jetty.client.HttpClient;
import com.signalfx.shaded.jetty.client.api.AuthenticationStore;
import com.signalfx.shaded.jetty.client.api.ContentResponse;
import com.signalfx.shaded.jetty.client.api.Request;
import com.signalfx.shaded.jetty.http.HttpHeader;
import com.signalfx.shaded.jetty.util.Attributes;

/**
 * Implementation of the HTTP "Basic" authentication defined in RFC 2617.
 * 

* Applications should create objects of this class and add them to the * {@link AuthenticationStore} retrieved from the {@link HttpClient} * via {@link HttpClient#getAuthenticationStore()}. */ public class BasicAuthentication extends AbstractAuthentication { private final String user; private final String password; /** * @param uri the URI to match for the authentication * @param realm the realm to match for the authentication * @param user the user that wants to authenticate * @param password the password of the user */ public BasicAuthentication(URI uri, String realm, String user, String password) { super(uri, realm); this.user = user; this.password = password; } @Override public String getType() { return "Basic"; } @Override public Result authenticate(Request request, ContentResponse response, HeaderInfo headerInfo, Attributes context) { String charsetParam = headerInfo.getParameter("charset"); Charset charset = charsetParam == null ? null : Charset.forName(charsetParam); return new BasicResult(getURI(), headerInfo.getHeader(), user, password, charset); } /** * Basic authentication result. *

* Application may utilize this class directly via * {@link com.signalfx.shaded.jetty.client.api.AuthenticationStore#addAuthenticationResult(Result)} * to perform preemptive authentication, that is immediately * sending the authorization header based on the fact that the * URI is known to require authentication and that username * and password are known a priori. */ public static class BasicResult implements Result { private final URI uri; private final HttpHeader header; private final String value; public BasicResult(URI uri, String user, String password) { this(uri, HttpHeader.AUTHORIZATION, user, password); } public BasicResult(URI uri, HttpHeader header, String user, String password) { this(uri, header, user, password, StandardCharsets.ISO_8859_1); } public BasicResult(URI uri, HttpHeader header, String user, String password, Charset charset) { this.uri = uri; this.header = header; if (charset == null) charset = StandardCharsets.ISO_8859_1; byte[] authBytes = (user + ":" + password).getBytes(charset); this.value = "Basic " + Base64.getEncoder().encodeToString(authBytes); } @Override public URI getURI() { return uri; } @Override public void apply(Request request) { if (!request.getHeaders().contains(header, value)) request.header(header, value); } @Override public String toString() { return String.format("Basic authentication result for %s", getURI()); } } }





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