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Diffstat (limited to 'libjava/javax/security/auth/PrivateCredentialPermission.java')
| -rw-r--r-- | libjava/javax/security/auth/PrivateCredentialPermission.java | 326 |
1 files changed, 0 insertions, 326 deletions
diff --git a/libjava/javax/security/auth/PrivateCredentialPermission.java b/libjava/javax/security/auth/PrivateCredentialPermission.java deleted file mode 100644 index 1982eef3d6a..00000000000 --- a/libjava/javax/security/auth/PrivateCredentialPermission.java +++ /dev/null @@ -1,326 +0,0 @@ -/* PrivateCredentialPermission.java -- permissions governing private credentials. - Copyright (C) 2004 Free Software Foundation, Inc. - -This file is part of GNU Classpath. - -GNU Classpath is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2, or (at your option) -any later version. - -GNU Classpath 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 for more details. - -You should have received a copy of the GNU General Public License -along with GNU Classpath; see the file COPYING. If not, write to the -Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA -02110-1301 USA. - -Linking this library statically or dynamically with other modules is -making a combined work based on this library. Thus, the terms and -conditions of the GNU General Public License cover the whole -combination. - -As a special exception, the copyright holders of this library give you -permission to link this library with independent modules to produce an -executable, regardless of the license terms of these independent -modules, and to copy and distribute the resulting executable under -terms of your choice, provided that you also meet, for each linked -independent module, the terms and conditions of the license of that -module. An independent module is a module which is not derived from -or based on this library. If you modify this library, you may extend -this exception to your version of the library, but you are not -obligated to do so. If you do not wish to do so, delete this -exception statement from your version. */ - - -package javax.security.auth; - -import java.io.Serializable; - -import java.security.Permission; -import java.security.PermissionCollection; - -import java.util.HashSet; -import java.util.Iterator; -import java.util.Set; -import java.util.StringTokenizer; - -/** - * A permission governing access to a private credential. The action of this - * permission is always "read" -- meaning that the private credential - * information can be read from an object. - * - * <p>The target of this permission is formatted as follows:</p> - * - * <p><code>CredentialClassName ( PrinicpalClassName PrincipalName )*</code></p> - * - * <p><i>CredentialClassName</i> is either the name of a private credential - * class name, or a wildcard character (<code>'*'</code>). - * <i>PrinicpalClassName</i> is the class name of a principal object, and - * <i>PrincipalName</i> is a string representing the principal, or the - * wildcard character.</p> - */ -public final class PrivateCredentialPermission extends Permission - implements Serializable -{ - /** - * For compatability with Sun's JDK 1.4.2 rev. 5 - */ - private static final long serialVersionUID = 5284372143517237068L; - - // Fields. - // ------------------------------------------------------------------------- - - /** - * @serial The credential class name. - */ - private final String credentialClass; - - /** - * @serial The principals, a set of CredOwner objects (an undocumented - * inner class of this class). - */ - private final Set principals; - - /** - * @serial Who knows? - */ - private final boolean testing; - - // Constructor. - // ------------------------------------------------------------------------- - - /** - * Create a new private credential permission. - * - * @param name The permission target name. - * @param actions The list of actions, which, for this class, must be - * <code>"read"</code>. - */ - public PrivateCredentialPermission (final String name, String actions) - { - super(name); - actions = actions.trim().toLowerCase(); - if (!"read".equals (actions)) - { - throw new IllegalArgumentException("actions must be \"read\""); - } - StringTokenizer st = new StringTokenizer (name, " \"'"); - principals = new HashSet(); - if (st.countTokens() < 3 || (st.countTokens() & 1) == 0) - { - throw new IllegalArgumentException ("badly formed credential name"); - } - credentialClass = st.nextToken(); - while (st.hasMoreTokens()) - { - principals.add (new CredOwner (st.nextToken(), st.nextToken())); - } - testing = false; // WTF ever. - } - - // Instance methods. - // ------------------------------------------------------------------------- - - public boolean equals (Object o) - { - if (! (o instanceof PrivateCredentialPermission)) - { - return false; - } - PrivateCredentialPermission that = (PrivateCredentialPermission) o; - if (!that.getActions().equals (getActions())) - { - return false; - } - if (!that.getCredentialClass().equals (getCredentialClass())) - { - return false; - } - - final String[][] principals = getPrincipals(); - final String[][] that_principals = that.getPrincipals(); - if (that_principals == null) - { - return false; - } - if (that_principals.length != principals.length) - { - return false; - } - for (int i = 0; i < principals.length; i++) - { - if (!principals[i][0].equals (that_principals[i][0]) || - !principals[i][1].equals (that_principals[i][1])) - { - return false; - } - } - return true; - } - - /** - * Returns the actions this permission encompasses. For private credential - * permissions, this is always the string <code>"read"</code>. - * - * @return The list of actions. - */ - public String getActions() - { - return "read"; - } - - /** - * Returns the credential class name that was embedded in this permission's - * target name. - * - * @return The credential class name. - */ - public String getCredentialClass() - { - return credentialClass; - } - - /** - * Returns the principal list that was embedded in this permission's target - * name. - * - * <p>Each element of the returned array is a pair; the first element is the - * principal class name, and the second is the principal name. - * - * @return The principal list. - */ - public String[][] getPrincipals() - { - String[][] ret = new String[principals.size()][]; - Iterator it = principals.iterator(); - for (int i = 0; i < principals.size() && it.hasNext(); i++) - { - CredOwner co = (CredOwner) it.next(); - ret[i] = new String[] { co.getPrincipalClass(), co.getPrincipalName() }; - } - return ret; - } - - public int hashCode() - { - return credentialClass.hashCode() + principals.hashCode(); - } - - /** - * Test if this permission implies another. This method returns true if: - * - * <ol> - * <li><i>p</i> is an instance of PrivateCredentialPermission</li>. - * <li>The credential class name of this instance matches that of <i>p</i>, - * and one of the principals of <i>p</i> is contained in the principals of - * this class. Thus, - * <ul> - * <li><code>[ * P "foo" ] implies [ C P "foo" ]</code></li> - * <li><code>[ C P1 "foo" ] implies [ C P1 "foo" P2 "bar" ]</code></li> - * <li><code>[ C P1 "*" ] implies [ C P1 "foo" ]</code></li> - * </ul> - * </ol> - * - * @param p The permission to check. - * @return True if this permission implies <i>p</i>. - */ - public boolean implies (Permission p) - { - if (! (p instanceof PrivateCredentialPermission)) - { - return false; - } - PrivateCredentialPermission that = (PrivateCredentialPermission) p; - if (!credentialClass.equals ("*") - && !credentialClass.equals (that.getCredentialClass())) - { - return false; - } - String[][] principals = getPrincipals(); - String[][] that_principals = that.getPrincipals(); - if (that_principals == null) - { - return false; - } - for (int i = 0; i < principals.length; i++) - { - for (int j = 0; j < that_principals.length; j++) - { - if (principals[i][0].equals (that_principals[j][0]) && - (principals[i][1].equals ("*") || - principals[i][1].equals (that_principals[j][1]))) - { - return true; - } - } - } - return false; - } - - /** - * This method is not necessary for this class, thus it always returns null. - * - * @return null. - */ - public PermissionCollection newPermissionCollection() - { - return null; - } - - // Inner class. - // ------------------------------------------------------------------------- - - /** - * An undocumented inner class present for serialization compatibility. - */ - private static class CredOwner implements Serializable - { - - // Fields. - // ----------------------------------------------------------------------- - - private final String principalClass; - private final String principalName; - - // Constructor. - // ----------------------------------------------------------------------- - - CredOwner (final String principalClass, final String principalName) - { - this.principalClass = principalClass; - this.principalName = principalName; - } - - // Instance methods. - // ----------------------------------------------------------------------- - - public boolean equals (Object o) - { - if (!(o instanceof CredOwner)) - { - return false; - } - return principalClass.equals (((CredOwner) o).getPrincipalClass()) && - principalName.equals (((CredOwner) o).getPrincipalName()); - } - - public int hashCode() - { - return principalClass.hashCode() + principalName.hashCode(); - } - - public String getPrincipalClass() - { - return principalClass; - } - - public String getPrincipalName() - { - return principalName; - } - } -} |