J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2006 Sun Microsystems, Inc. All Rights Reserved. |
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 | * |
| 5 | * This code is free software; you can redistribute it and/or modify it |
| 6 | * under the terms of the GNU General Public License version 2 only, as |
| 7 | * published by the Free Software Foundation. Sun designates this |
| 8 | * particular file as subject to the "Classpath" exception as provided |
| 9 | * by Sun in the LICENSE file that accompanied this code. |
| 10 | * |
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| 14 | * version 2 for more details (a copy is included in the LICENSE file that |
| 15 | * accompanied this code). |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License version |
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| 20 | * |
| 21 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 23 | * have any questions. |
| 24 | */ |
| 25 | |
| 26 | package sun.net.httpserver; |
| 27 | |
| 28 | import com.sun.net.httpserver.*; |
| 29 | import java.io.*; |
| 30 | import java.nio.*; |
| 31 | import java.nio.channels.*; |
| 32 | import sun.net.www.MessageHeader; |
| 33 | import java.util.*; |
| 34 | import javax.security.auth.*; |
| 35 | import javax.security.auth.callback.*; |
| 36 | import javax.security.auth.login.*; |
| 37 | |
| 38 | public class AuthFilter extends Filter { |
| 39 | |
| 40 | private Authenticator authenticator; |
| 41 | |
| 42 | public AuthFilter (Authenticator authenticator) { |
| 43 | this.authenticator = authenticator; |
| 44 | } |
| 45 | |
| 46 | public String description () { |
| 47 | return "Authentication filter"; |
| 48 | } |
| 49 | |
| 50 | public void setAuthenticator (Authenticator a) { |
| 51 | authenticator = a; |
| 52 | } |
| 53 | |
| 54 | public void consumeInput (HttpExchange t) throws IOException { |
| 55 | InputStream i = t.getRequestBody(); |
| 56 | byte[] b = new byte [4096]; |
| 57 | while (i.read (b) != -1); |
| 58 | i.close (); |
| 59 | } |
| 60 | |
| 61 | /** |
| 62 | * The filter's implementation, which is invoked by the server |
| 63 | */ |
| 64 | public void doFilter (HttpExchange t, Filter.Chain chain) throws IOException |
| 65 | { |
| 66 | if (authenticator != null) { |
| 67 | Authenticator.Result r = authenticator.authenticate (t); |
| 68 | if (r instanceof Authenticator.Success) { |
| 69 | Authenticator.Success s = (Authenticator.Success)r; |
| 70 | ExchangeImpl e = ExchangeImpl.get (t); |
| 71 | e.setPrincipal (s.getPrincipal()); |
| 72 | chain.doFilter (t); |
| 73 | } else if (r instanceof Authenticator.Retry) { |
| 74 | Authenticator.Retry ry = (Authenticator.Retry)r; |
| 75 | consumeInput (t); |
| 76 | t.sendResponseHeaders (ry.getResponseCode(), -1); |
| 77 | } else if (r instanceof Authenticator.Failure) { |
| 78 | Authenticator.Failure f = (Authenticator.Failure)r; |
| 79 | consumeInput (t); |
| 80 | t.sendResponseHeaders (f.getResponseCode(), -1); |
| 81 | } |
| 82 | } else { |
| 83 | chain.doFilter (t); |
| 84 | } |
| 85 | } |
| 86 | } |