| /* |
| * 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. |
| */ |
| package org.eclipse.aether.transport.http; |
| |
| import java.net.InetAddress; |
| import java.net.UnknownHostException; |
| import java.util.HashMap; |
| import java.util.Iterator; |
| import java.util.Map; |
| |
| import org.apache.http.auth.AuthScope; |
| import org.apache.http.auth.Credentials; |
| import org.apache.http.auth.NTCredentials; |
| import org.apache.http.auth.UsernamePasswordCredentials; |
| import org.apache.http.client.CredentialsProvider; |
| import org.apache.http.impl.client.BasicCredentialsProvider; |
| import org.eclipse.aether.repository.AuthenticationContext; |
| |
| /** |
| * Credentials provider that defers calls into the auth context until authentication is actually requested. |
| */ |
| final class DeferredCredentialsProvider |
| implements CredentialsProvider |
| { |
| |
| private final CredentialsProvider delegate; |
| |
| private final Map<AuthScope, Factory> factories; |
| |
| public DeferredCredentialsProvider() |
| { |
| delegate = new BasicCredentialsProvider(); |
| factories = new HashMap<AuthScope, Factory>(); |
| } |
| |
| public void setCredentials( AuthScope authScope, Factory factory ) |
| { |
| factories.put( authScope, factory ); |
| } |
| |
| public void setCredentials( AuthScope authScope, Credentials credentials ) |
| { |
| delegate.setCredentials( authScope, credentials ); |
| } |
| |
| public Credentials getCredentials( AuthScope authScope ) |
| { |
| synchronized ( factories ) |
| { |
| for ( Iterator<Map.Entry<AuthScope, Factory>> it = factories.entrySet().iterator(); it.hasNext(); ) |
| { |
| Map.Entry<AuthScope, Factory> entry = it.next(); |
| if ( authScope.match( entry.getKey() ) >= 0 ) |
| { |
| it.remove(); |
| delegate.setCredentials( entry.getKey(), entry.getValue().newCredentials() ); |
| } |
| } |
| } |
| return delegate.getCredentials( authScope ); |
| } |
| |
| public void clear() |
| { |
| delegate.clear(); |
| } |
| |
| interface Factory |
| { |
| |
| Credentials newCredentials(); |
| |
| } |
| |
| static class BasicFactory |
| implements Factory |
| { |
| |
| private final AuthenticationContext authContext; |
| |
| public BasicFactory( AuthenticationContext authContext ) |
| { |
| this.authContext = authContext; |
| } |
| |
| public Credentials newCredentials() |
| { |
| String username = authContext.get( AuthenticationContext.USERNAME ); |
| if ( username == null ) |
| { |
| return null; |
| } |
| String password = authContext.get( AuthenticationContext.PASSWORD ); |
| return new UsernamePasswordCredentials( username, password ); |
| } |
| |
| } |
| |
| static class NtlmFactory |
| implements Factory |
| { |
| |
| private final AuthenticationContext authContext; |
| |
| public NtlmFactory( AuthenticationContext authContext ) |
| { |
| this.authContext = authContext; |
| } |
| |
| public Credentials newCredentials() |
| { |
| String username = authContext.get( AuthenticationContext.USERNAME ); |
| if ( username == null ) |
| { |
| return null; |
| } |
| String password = authContext.get( AuthenticationContext.PASSWORD ); |
| String domain = authContext.get( AuthenticationContext.NTLM_DOMAIN ); |
| String workstation = authContext.get( AuthenticationContext.NTLM_WORKSTATION ); |
| |
| if ( domain == null ) |
| { |
| int backslash = username.indexOf( '\\' ); |
| if ( backslash < 0 ) |
| { |
| domain = guessDomain(); |
| } |
| else |
| { |
| domain = username.substring( 0, backslash ); |
| username = username.substring( backslash + 1 ); |
| } |
| } |
| if ( workstation == null ) |
| { |
| workstation = guessWorkstation(); |
| } |
| |
| return new NTCredentials( username, password, workstation, domain ); |
| } |
| |
| private static String guessDomain() |
| { |
| return safeNtlmString( System.getProperty( "http.auth.ntlm.domain" ), System.getenv( "USERDOMAIN" ) ); |
| } |
| |
| private static String guessWorkstation() |
| { |
| String localHost = null; |
| try |
| { |
| localHost = InetAddress.getLocalHost().getHostName(); |
| } |
| catch ( UnknownHostException e ) |
| { |
| // well, we have other options to try |
| } |
| return safeNtlmString( System.getProperty( "http.auth.ntlm.host" ), System.getenv( "COMPUTERNAME" ), |
| localHost ); |
| } |
| |
| private static String safeNtlmString( String... strings ) |
| { |
| for ( String string : strings ) |
| { |
| if ( string != null ) |
| { |
| return string; |
| } |
| } |
| // avoid NPE from httpclient and trigger proper auth failure instead |
| return ""; |
| } |
| |
| } |
| |
| } |