1/* 2 * Copyright (c) 1997, 2016, 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 26package sun.net.www.protocol.http; 27 28import java.net.URL; 29import java.net.URI; 30import java.net.URISyntaxException; 31import java.net.PasswordAuthentication; 32import java.io.IOException; 33import java.io.OutputStream; 34import java.util.Base64; 35import java.util.Objects; 36import sun.net.www.HeaderParser; 37 38/** 39 * BasicAuthentication: Encapsulate an http server authentication using 40 * the "basic" scheme. 41 * 42 * @author Bill Foote 43 */ 44 45 46class BasicAuthentication extends AuthenticationInfo { 47 48 private static final long serialVersionUID = 100L; 49 50 /** The authentication string for this host, port, and realm. This is 51 a simple BASE64 encoding of "login:password". */ 52 String auth; 53 54 /** 55 * Create a BasicAuthentication 56 */ 57 public BasicAuthentication(boolean isProxy, String host, int port, 58 String realm, PasswordAuthentication pw, 59 String authenticatorKey) { 60 super(isProxy ? PROXY_AUTHENTICATION : SERVER_AUTHENTICATION, 61 AuthScheme.BASIC, host, port, realm, 62 Objects.requireNonNull(authenticatorKey)); 63 String plain = pw.getUserName() + ":"; 64 byte[] nameBytes = null; 65 try { 66 nameBytes = plain.getBytes("ISO-8859-1"); 67 } catch (java.io.UnsupportedEncodingException uee) { 68 assert false; 69 } 70 71 // get password bytes 72 char[] passwd = pw.getPassword(); 73 byte[] passwdBytes = new byte[passwd.length]; 74 for (int i=0; i<passwd.length; i++) 75 passwdBytes[i] = (byte)passwd[i]; 76 77 // concatenate user name and password bytes and encode them 78 byte[] concat = new byte[nameBytes.length + passwdBytes.length]; 79 System.arraycopy(nameBytes, 0, concat, 0, nameBytes.length); 80 System.arraycopy(passwdBytes, 0, concat, nameBytes.length, 81 passwdBytes.length); 82 this.auth = "Basic " + Base64.getEncoder().encodeToString(concat); 83 this.pw = pw; 84 } 85 86 /** 87 * Create a BasicAuthentication 88 */ 89 public BasicAuthentication(boolean isProxy, String host, int port, 90 String realm, String auth, 91 String authenticatorKey) { 92 super(isProxy ? PROXY_AUTHENTICATION : SERVER_AUTHENTICATION, 93 AuthScheme.BASIC, host, port, realm, 94 Objects.requireNonNull(authenticatorKey)); 95 this.auth = "Basic " + auth; 96 } 97 98 /** 99 * Create a BasicAuthentication 100 */ 101 public BasicAuthentication(boolean isProxy, URL url, String realm, 102 PasswordAuthentication pw, 103 String authenticatorKey) { 104 super(isProxy ? PROXY_AUTHENTICATION : SERVER_AUTHENTICATION, 105 AuthScheme.BASIC, url, realm, 106 Objects.requireNonNull(authenticatorKey)); 107 String plain = pw.getUserName() + ":"; 108 byte[] nameBytes = null; 109 try { 110 nameBytes = plain.getBytes("ISO-8859-1"); 111 } catch (java.io.UnsupportedEncodingException uee) { 112 assert false; 113 } 114 115 // get password bytes 116 char[] passwd = pw.getPassword(); 117 byte[] passwdBytes = new byte[passwd.length]; 118 for (int i=0; i<passwd.length; i++) 119 passwdBytes[i] = (byte)passwd[i]; 120 121 // concatenate user name and password bytes and encode them 122 byte[] concat = new byte[nameBytes.length + passwdBytes.length]; 123 System.arraycopy(nameBytes, 0, concat, 0, nameBytes.length); 124 System.arraycopy(passwdBytes, 0, concat, nameBytes.length, 125 passwdBytes.length); 126 this.auth = "Basic " + Base64.getEncoder().encodeToString(concat); 127 this.pw = pw; 128 } 129 130 /** 131 * Create a BasicAuthentication 132 */ 133 public BasicAuthentication(boolean isProxy, URL url, String realm, 134 String auth, String authenticatorKey) { 135 super(isProxy ? PROXY_AUTHENTICATION : SERVER_AUTHENTICATION, 136 AuthScheme.BASIC, url, realm, 137 Objects.requireNonNull(authenticatorKey)); 138 this.auth = "Basic " + auth; 139 } 140 141 /** 142 * @return true if this authentication supports preemptive authorization 143 */ 144 @Override 145 public boolean supportsPreemptiveAuthorization() { 146 return true; 147 } 148 149 /** 150 * Set header(s) on the given connection. This will only be called for 151 * definitive (i.e. non-preemptive) authorization. 152 * @param conn The connection to apply the header(s) to 153 * @param p A source of header values for this connection, if needed. 154 * @param raw The raw header values for this connection, if needed. 155 * @return true if all goes well, false if no headers were set. 156 */ 157 @Override 158 public boolean setHeaders(HttpURLConnection conn, HeaderParser p, String raw) { 159 conn.setAuthenticationProperty(getHeaderName(), getHeaderValue(null,null)); 160 return true; 161 } 162 163 /** 164 * @return the value of the HTTP header this authentication wants set 165 */ 166 @Override 167 public String getHeaderValue(URL url, String method) { 168 /* For Basic the authorization string does not depend on the request URL 169 * or the request method 170 */ 171 return auth; 172 } 173 174 /** 175 * For Basic Authentication, the security parameters can never be stale. 176 * In other words there is no possibility to reuse the credentials. 177 * They are always either valid or invalid. 178 */ 179 @Override 180 public boolean isAuthorizationStale (String header) { 181 return false; 182 } 183 184 /** 185 * @return the common root path between npath and path. 186 * This is used to detect when we have an authentication for two 187 * paths and the root of th authentication space is the common root. 188 */ 189 190 static String getRootPath(String npath, String opath) { 191 int index = 0; 192 int toindex; 193 194 /* Must normalize so we don't get confused by ../ and ./ segments */ 195 try { 196 npath = new URI (npath).normalize().getPath(); 197 opath = new URI (opath).normalize().getPath(); 198 } catch (URISyntaxException e) { 199 /* ignore error and use the old value */ 200 } 201 202 while (index < opath.length()) { 203 toindex = opath.indexOf('/', index+1); 204 if (toindex != -1 && opath.regionMatches(0, npath, 0, toindex+1)) 205 index = toindex; 206 else 207 return opath.substring(0, index+1); 208 } 209 /*should not reach here. If we do simply return npath*/ 210 return npath; 211 } 212} 213