J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2005-2006 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.security.provider; |
| 27 | |
| 28 | import java.security.AccessController; |
| 29 | import java.security.PrivilegedAction; |
| 30 | import java.security.URIParameter; |
| 31 | |
| 32 | import javax.security.auth.login.Configuration; |
| 33 | import javax.security.auth.login.ConfigurationSpi; |
| 34 | import javax.security.auth.login.AppConfigurationEntry; |
| 35 | |
| 36 | import com.sun.security.auth.login.ConfigFile; |
| 37 | |
| 38 | /** |
| 39 | * This class wraps the ConfigFile subclass implementation of Configuration |
| 40 | * inside a ConfigurationSpi implementation that is available from the |
| 41 | * SUN provider via the Configuration.getInstance calls. |
| 42 | * |
| 43 | */ |
| 44 | public final class ConfigSpiFile extends ConfigurationSpi { |
| 45 | |
| 46 | private ConfigFile cf; |
| 47 | |
| 48 | public ConfigSpiFile(final Configuration.Parameters params) |
| 49 | throws java.io.IOException { |
| 50 | |
| 51 | // call in a doPrivileged |
| 52 | // |
| 53 | // we have already passed the Configuration.getInstance |
| 54 | // security check. also this class is not freely accessible |
| 55 | // (it is in the "sun" package). |
| 56 | // |
| 57 | // we can not put doPrivileged calls into |
| 58 | // ConfigFile because it is a public com.sun class |
| 59 | |
| 60 | try { |
| 61 | AccessController.doPrivileged(new PrivilegedAction<Void>() { |
| 62 | public Void run() { |
| 63 | if (params == null) { |
| 64 | cf = new ConfigFile(); |
| 65 | } else { |
| 66 | if (!(params instanceof URIParameter)) { |
| 67 | throw new IllegalArgumentException |
| 68 | ("Unrecognized parameter: " + params); |
| 69 | } |
| 70 | URIParameter uriParam = (URIParameter)params; |
| 71 | |
| 72 | cf = new ConfigFile(uriParam.getURI()); |
| 73 | } |
| 74 | return null; |
| 75 | } |
| 76 | }); |
| 77 | } catch (SecurityException se) { |
| 78 | |
| 79 | // if ConfigFile threw a standalone SecurityException |
| 80 | // (no cause), re-throw it. |
| 81 | // |
| 82 | // ConfigFile chains checked IOExceptions to SecurityException. |
| 83 | |
| 84 | Throwable cause = se.getCause(); |
| 85 | if (cause != null && cause instanceof java.io.IOException) { |
| 86 | throw (java.io.IOException)cause; |
| 87 | } |
| 88 | |
| 89 | // unrecognized cause |
| 90 | throw se; |
| 91 | } |
| 92 | |
| 93 | // if ConfigFile throws some other RuntimeException, |
| 94 | // let it percolate up naturally. |
| 95 | } |
| 96 | |
| 97 | protected AppConfigurationEntry[] engineGetAppConfigurationEntry |
| 98 | (String name) { |
| 99 | return cf.getAppConfigurationEntry(name); |
| 100 | } |
| 101 | |
| 102 | protected void engineRefresh() { |
| 103 | cf.refresh(); |
| 104 | } |
| 105 | } |