jdk/src/windows/classes/sun/net/www/protocol/http/NTLMAuthentication.java
changeset 2 90ce3da70b43
child 3859 8b82336dedb3
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/windows/classes/sun/net/www/protocol/http/NTLMAuthentication.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,199 @@
+/*
+ * Copyright 2002-2005 Sun Microsystems, Inc.  All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+package sun.net.www.protocol.http;
+
+import java.util.Arrays;
+import java.util.StringTokenizer;
+import java.util.Random;
+
+import sun.net.www.HeaderParser;
+
+import java.io.*;
+import javax.crypto.*;
+import javax.crypto.spec.*;
+import java.security.*;
+import java.net.*;
+
+/**
+ * NTLMAuthentication:
+ *
+ * @author Michael McMahon
+ */
+
+class NTLMAuthentication extends AuthenticationInfo {
+
+    private static final long serialVersionUID = 100L;
+
+    static final char NTLM_AUTH = 'N';
+    private String hostname;
+    private static String defaultDomain; /* Domain to use if not specified by user */
+
+    static {
+        defaultDomain = java.security.AccessController.doPrivileged(
+            new sun.security.action.GetPropertyAction("http.auth.ntlm.domain",
+                                                      "domain"));
+    };
+
+    private void init0() {
+
+        hostname = java.security.AccessController.doPrivileged(
+            new java.security.PrivilegedAction<String>() {
+            public String run() {
+                String localhost;
+                try {
+                    localhost = InetAddress.getLocalHost().getHostName().toUpperCase();
+                } catch (UnknownHostException e) {
+                     localhost = "localhost";
+                }
+                return localhost;
+            }
+        });
+        int x = hostname.indexOf ('.');
+        if (x != -1) {
+            hostname = hostname.substring (0, x);
+        }
+    }
+
+    String username;
+    String ntdomain;
+    String password;
+
+    /**
+     * Create a NTLMAuthentication:
+     * Username may be specified as domain<BACKSLASH>username in the application Authenticator.
+     * If this notation is not used, then the domain will be taken
+     * from a system property: "http.auth.ntlm.domain".
+     */
+    public NTLMAuthentication(boolean isProxy, URL url, PasswordAuthentication pw) {
+        super(isProxy?PROXY_AUTHENTICATION:SERVER_AUTHENTICATION, NTLM_AUTH, url, "");
+        init (pw);
+    }
+
+    private void init (PasswordAuthentication pw) {
+        this.pw = pw;
+        if (pw != null) {
+            String s = pw.getUserName();
+            int i = s.indexOf ('\\');
+            if (i == -1) {
+                username = s;
+                ntdomain = defaultDomain;
+            } else {
+                ntdomain = s.substring (0, i).toUpperCase();
+                username = s.substring (i+1);
+            }
+            password = new String (pw.getPassword());
+        } else {
+            /* credentials will be acquired from OS */
+            username = null;
+            ntdomain = null;
+            password = null;
+        }
+        init0();
+    }
+
+   /**
+    * Constructor used for proxy entries
+    */
+    public NTLMAuthentication(boolean isProxy, String host, int port,
+                                PasswordAuthentication pw) {
+        super(isProxy?PROXY_AUTHENTICATION:SERVER_AUTHENTICATION, NTLM_AUTH,host, port, "");
+        init (pw);
+    }
+
+    /**
+     * @return true if this authentication supports preemptive authorization
+     */
+    boolean supportsPreemptiveAuthorization() {
+        return false;
+    }
+
+    /**
+     * @return true if NTLM supported transparently (no password needed, SSO)
+     */
+    static boolean supportsTransparentAuth() {
+        return true;
+    }
+
+    /**
+     * @return the name of the HTTP header this authentication wants set
+     */
+    String getHeaderName() {
+        if (type == SERVER_AUTHENTICATION) {
+            return "Authorization";
+        } else {
+            return "Proxy-authorization";
+        }
+    }
+
+    /**
+     * Not supported. Must use the setHeaders() method
+     */
+    String getHeaderValue(URL url, String method) {
+        throw new RuntimeException ("getHeaderValue not supported");
+    }
+
+    /**
+     * Check if the header indicates that the current auth. parameters are stale.
+     * If so, then replace the relevant field with the new value
+     * and return true. Otherwise return false.
+     * returning true means the request can be retried with the same userid/password
+     * returning false means we have to go back to the user to ask for a new
+     * username password.
+     */
+    boolean isAuthorizationStale (String header) {
+        return false; /* should not be called for ntlm */
+    }
+
+    /**
+     * Set header(s) on the given connection.
+     * @param conn The connection to apply the header(s) to
+     * @param p A source of header values for this connection, not used because
+     *          HeaderParser converts the fields to lower case, use raw instead
+     * @param raw The raw header field.
+     * @return true if all goes well, false if no headers were set.
+     */
+    synchronized boolean setHeaders(HttpURLConnection conn, HeaderParser p, String raw) {
+
+        try {
+            NTLMAuthSequence seq = (NTLMAuthSequence)conn.authObj;
+            if (seq == null) {
+                seq = new NTLMAuthSequence (username, password, ntdomain);
+                conn.authObj = seq;
+            }
+            String response = "NTLM " + seq.getAuthHeader (raw.length()>6?raw.substring(5):null);
+            conn.setAuthenticationProperty(getHeaderName(), response);
+            return true;
+        } catch (IOException e) {
+            return false;
+        }
+    }
+
+    /* This is a no-op for NTLM, because there is no authentication information
+     * provided by the server to the client
+     */
+    public void checkResponse (String header, String method, URL url) throws IOException {
+    }
+}