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HttpComponents Client Source Code Files
HttpComponents Client Source Code Files are provided in the source package file, httpcomponents-client-5.2-src.zip.
You can download httpcomponents-client-5.2-src.zip as described in the previous tutorial and go to the "httpclient5/src" sub-folder to view Source Code files.
You can also browse HttpComponents Client Source Code below:
✍: FYIcenter.com
⏎ org/apache/hc/client5/http/impl/auth/NTLMScheme.java
/* * ==================================================================== * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you 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. * ==================================================================== * * This software consists of voluntary contributions made by many * individuals on behalf of the Apache Software Foundation. For more * information on the Apache Software Foundation, please see * <http://www.apache.org/>. * */ package org.apache.hc.client5.http.impl.auth; import java.security.Principal; import org.apache.hc.client5.http.auth.AuthChallenge; import org.apache.hc.client5.http.auth.AuthScheme; import org.apache.hc.client5.http.auth.StandardAuthScheme; import org.apache.hc.client5.http.auth.AuthScope; import org.apache.hc.client5.http.auth.AuthenticationException; import org.apache.hc.client5.http.auth.Credentials; import org.apache.hc.client5.http.auth.CredentialsProvider; import org.apache.hc.client5.http.auth.MalformedChallengeException; import org.apache.hc.client5.http.auth.NTCredentials; import org.apache.hc.client5.http.protocol.HttpClientContext; import org.apache.hc.core5.http.HttpHost; import org.apache.hc.core5.http.HttpRequest; import org.apache.hc.core5.http.protocol.HttpContext; import org.apache.hc.core5.util.Args; import org.slf4j.Logger; import org.slf4j.LoggerFactory; /** * NTLM is a proprietary authentication scheme developed by Microsoft * and optimized for Windows platforms. * * @since 4.0 */ public final class NTLMScheme implements AuthScheme { private static final Logger LOG = LoggerFactory.getLogger(NTLMScheme.class); enum State { UNINITIATED, CHALLENGE_RECEIVED, MSG_TYPE1_GENERATED, MSG_TYPE2_RECEIVED, MSG_TYPE3_GENERATED, FAILED, } private final NTLMEngine engine; private State state; private String challenge; private NTCredentials credentials; public NTLMScheme(final NTLMEngine engine) { super(); Args.notNull(engine, "NTLM engine"); this.engine = engine; this.state = State.UNINITIATED; } /** * @since 4.3 */ public NTLMScheme() { this(new NTLMEngineImpl()); } @Override public String getName() { return StandardAuthScheme.NTLM; } @Override public boolean isConnectionBased() { return true; } @Override public String getRealm() { return null; } @Override public void processChallenge( final AuthChallenge authChallenge, final HttpContext context) throws MalformedChallengeException { Args.notNull(authChallenge, "AuthChallenge"); this.challenge = authChallenge.getValue(); if (this.challenge == null || this.challenge.isEmpty()) { if (this.state == State.UNINITIATED) { this.state = State.CHALLENGE_RECEIVED; } else { this.state = State.FAILED; } } else { if (this.state.compareTo(State.MSG_TYPE1_GENERATED) < 0) { this.state = State.FAILED; throw new MalformedChallengeException("Out of sequence NTLM response message"); } else if (this.state == State.MSG_TYPE1_GENERATED) { this.state = State.MSG_TYPE2_RECEIVED; } } } @Override public boolean isResponseReady( final HttpHost host, final CredentialsProvider credentialsProvider, final HttpContext context) throws AuthenticationException { Args.notNull(host, "Auth host"); Args.notNull(credentialsProvider, "CredentialsProvider"); final AuthScope authScope = new AuthScope(host, null, getName()); final Credentials credentials = credentialsProvider.getCredentials( authScope, context); if (credentials instanceof NTCredentials) { this.credentials = (NTCredentials) credentials; return true; } if (LOG.isDebugEnabled()) { final HttpClientContext clientContext = HttpClientContext.adapt(context); final String exchangeId = clientContext.getExchangeId(); LOG.debug("{} No credentials found for auth scope [{}]", exchangeId, authScope); } return false; } @Override public Principal getPrincipal() { return this.credentials != null ? this.credentials.getUserPrincipal() : null; } @Override public String generateAuthResponse( final HttpHost host, final HttpRequest request, final HttpContext context) throws AuthenticationException { if (this.credentials == null) { throw new AuthenticationException("NT credentials not available"); } final String response; if (this.state == State.FAILED) { throw new AuthenticationException("NTLM authentication failed"); } else if (this.state == State.CHALLENGE_RECEIVED) { response = this.engine.generateType1Msg( this.credentials.getNetbiosDomain(), this.credentials.getWorkstation()); this.state = State.MSG_TYPE1_GENERATED; } else if (this.state == State.MSG_TYPE2_RECEIVED) { response = this.engine.generateType3Msg( this.credentials.getUserName(), this.credentials.getPassword(), this.credentials.getNetbiosDomain(), this.credentials.getWorkstation(), this.challenge); this.state = State.MSG_TYPE3_GENERATED; } else { throw new AuthenticationException("Unexpected state: " + this.state); } return StandardAuthScheme.NTLM + " " + response; } @Override public boolean isChallengeComplete() { return this.state == State.MSG_TYPE3_GENERATED || this.state == State.FAILED; } @Override public String toString() { return getName() + "{" + this.state + " " + challenge + '}'; } }
⏎ org/apache/hc/client5/http/impl/auth/NTLMScheme.java
Or download all them as a single archive file:
File name: httpclient5-5.2-fyi.zip File size: 625318 bytes Release date: 2022-11-10 Download
⇒ Download and Install HttpComponents Core Binary Package
⇐ Download and Install HttpComponents Client Source Package
2023-03-26, 14550👍, 1💬
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