1 /* 2 * Copyright (c) 1997, 2010, Oracle and/or its affiliates. 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. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package sun.net.www.protocol.http; 27 28 import java.net.URL; 29 import java.net.URI; 30 import java.net.URISyntaxException; 31 import java.net.PasswordAuthentication; 32 import java.io.IOException; 33 import java.io.OutputStream; 34 import sun.net.www.HeaderParser; 35 import sun.misc.BASE64Encoder; 36 37 /** 38 * BasicAuthentication: Encapsulate an http server authentication using 39 * the "basic" scheme. 40 * 41 * @author Bill Foote 42 */ 43 44 45 class BasicAuthentication extends AuthenticationInfo { 46 47 private static final long serialVersionUID = 100L; 48 49 /** The authentication string for this host, port, and realm. This is 50 a simple BASE64 encoding of "login:password". */ 51 String auth; 52 53 /** 54 * Create a BasicAuthentication 55 */ BasicAuthentication(boolean isProxy, String host, int port, String realm, PasswordAuthentication pw)56 public BasicAuthentication(boolean isProxy, String host, int port, 57 String realm, PasswordAuthentication pw) { 58 super(isProxy ? PROXY_AUTHENTICATION : SERVER_AUTHENTICATION, 59 AuthScheme.BASIC, host, port, realm); 60 String plain = pw.getUserName() + ":"; 61 byte[] nameBytes = null; 62 try { 63 nameBytes = plain.getBytes("ISO-8859-1"); 64 } catch (java.io.UnsupportedEncodingException uee) { 65 assert false; 66 } 67 68 // get password bytes 69 char[] passwd = pw.getPassword(); 70 byte[] passwdBytes = new byte[passwd.length]; 71 for (int i=0; i<passwd.length; i++) 72 passwdBytes[i] = (byte)passwd[i]; 73 74 // concatenate user name and password bytes and encode them 75 byte[] concat = new byte[nameBytes.length + passwdBytes.length]; 76 System.arraycopy(nameBytes, 0, concat, 0, nameBytes.length); 77 System.arraycopy(passwdBytes, 0, concat, nameBytes.length, 78 passwdBytes.length); 79 this.auth = "Basic " + (new BasicBASE64Encoder()).encode(concat); 80 this.pw = pw; 81 } 82 83 /** 84 * Create a BasicAuthentication 85 */ BasicAuthentication(boolean isProxy, String host, int port, String realm, String auth)86 public BasicAuthentication(boolean isProxy, String host, int port, 87 String realm, String auth) { 88 super(isProxy ? PROXY_AUTHENTICATION : SERVER_AUTHENTICATION, 89 AuthScheme.BASIC, host, port, realm); 90 this.auth = "Basic " + auth; 91 } 92 93 /** 94 * Create a BasicAuthentication 95 */ BasicAuthentication(boolean isProxy, URL url, String realm, PasswordAuthentication pw)96 public BasicAuthentication(boolean isProxy, URL url, String realm, 97 PasswordAuthentication pw) { 98 super(isProxy ? PROXY_AUTHENTICATION : SERVER_AUTHENTICATION, 99 AuthScheme.BASIC, url, realm); 100 String plain = pw.getUserName() + ":"; 101 byte[] nameBytes = null; 102 try { 103 nameBytes = plain.getBytes("ISO-8859-1"); 104 } catch (java.io.UnsupportedEncodingException uee) { 105 assert false; 106 } 107 108 // get password bytes 109 char[] passwd = pw.getPassword(); 110 byte[] passwdBytes = new byte[passwd.length]; 111 for (int i=0; i<passwd.length; i++) 112 passwdBytes[i] = (byte)passwd[i]; 113 114 // concatenate user name and password bytes and encode them 115 byte[] concat = new byte[nameBytes.length + passwdBytes.length]; 116 System.arraycopy(nameBytes, 0, concat, 0, nameBytes.length); 117 System.arraycopy(passwdBytes, 0, concat, nameBytes.length, 118 passwdBytes.length); 119 this.auth = "Basic " + (new BasicBASE64Encoder()).encode(concat); 120 this.pw = pw; 121 } 122 123 /** 124 * Create a BasicAuthentication 125 */ BasicAuthentication(boolean isProxy, URL url, String realm, String auth)126 public BasicAuthentication(boolean isProxy, URL url, String realm, 127 String auth) { 128 super(isProxy ? PROXY_AUTHENTICATION : SERVER_AUTHENTICATION, 129 AuthScheme.BASIC, url, realm); 130 this.auth = "Basic " + auth; 131 } 132 133 /** 134 * @return true if this authentication supports preemptive authorization 135 */ 136 @Override supportsPreemptiveAuthorization()137 public boolean supportsPreemptiveAuthorization() { 138 return true; 139 } 140 141 /** 142 * Set header(s) on the given connection. This will only be called for 143 * definitive (i.e. non-preemptive) authorization. 144 * @param conn The connection to apply the header(s) to 145 * @param p A source of header values for this connection, if needed. 146 * @param raw The raw header values for this connection, if needed. 147 * @return true if all goes well, false if no headers were set. 148 */ 149 @Override setHeaders(HttpURLConnection conn, HeaderParser p, String raw)150 public boolean setHeaders(HttpURLConnection conn, HeaderParser p, String raw) { 151 conn.setAuthenticationProperty(getHeaderName(), getHeaderValue(null,null)); 152 return true; 153 } 154 155 /** 156 * @return the value of the HTTP header this authentication wants set 157 */ 158 @Override getHeaderValue(URL url, String method)159 public String getHeaderValue(URL url, String method) { 160 /* For Basic the authorization string does not depend on the request URL 161 * or the request method 162 */ 163 return auth; 164 } 165 166 /** 167 * For Basic Authentication, the security parameters can never be stale. 168 * In other words there is no possibility to reuse the credentials. 169 * They are always either valid or invalid. 170 */ 171 @Override isAuthorizationStale(String header)172 public boolean isAuthorizationStale (String header) { 173 return false; 174 } 175 176 /** 177 * @return the common root path between npath and path. 178 * This is used to detect when we have an authentication for two 179 * paths and the root of th authentication space is the common root. 180 */ 181 getRootPath(String npath, String opath)182 static String getRootPath(String npath, String opath) { 183 int index = 0; 184 int toindex; 185 186 /* Must normalize so we don't get confused by ../ and ./ segments */ 187 try { 188 npath = new URI (npath).normalize().getPath(); 189 opath = new URI (opath).normalize().getPath(); 190 } catch (URISyntaxException e) { 191 /* ignore error and use the old value */ 192 } 193 194 while (index < opath.length()) { 195 toindex = opath.indexOf('/', index+1); 196 if (toindex != -1 && opath.regionMatches(0, npath, 0, toindex+1)) 197 index = toindex; 198 else 199 return opath.substring(0, index+1); 200 } 201 /*should not reach here. If we do simply return npath*/ 202 return npath; 203 } 204 205 /* It is never expected that the header value will exceed the bytesPerLine */ 206 private class BasicBASE64Encoder extends BASE64Encoder { 207 @Override bytesPerLine()208 protected int bytesPerLine() { 209 return (10000); 210 } 211 } 212 } 213