jdk/src/share/classes/com/sun/security/auth/SubjectCodeSource.java
changeset 19448 f7bcbf987d5c
parent 19353 ee92e7cf8d35
parent 19447 f2da7f97e104
child 19450 e92c5abf8936
child 19595 4565983c4629
child 19779 fe0b98be61a0
child 20101 4d045bddfaa4
--- a/jdk/src/share/classes/com/sun/security/auth/SubjectCodeSource.java	Thu Aug 22 09:10:13 2013 -0700
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,398 +0,0 @@
-/*
- * Copyright (c) 1999, 2013, Oracle and/or its affiliates. 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.  Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-package com.sun.security.auth;
-
-import java.net.URL;
-import java.util.*;
-import java.security.CodeSource;
-import java.security.Principal;
-import java.security.cert.Certificate;
-import java.lang.reflect.Constructor;
-
-import javax.security.auth.Subject;
-import sun.security.provider.PolicyParser.PrincipalEntry;
-
-/**
- * <p> This <code>SubjectCodeSource</code> class contains
- * a <code>URL</code>, signer certificates, and either a <code>Subject</code>
- * (that represents the <code>Subject</code> in the current
- * <code>AccessControlContext</code>),
- * or a linked list of Principals/PrincipalComparators
- * (that represent a "subject" in a <code>Policy</code>).
- *
- */
-class SubjectCodeSource extends CodeSource implements java.io.Serializable {
-
-    private static final long serialVersionUID = 6039418085604715275L;
-
-    private static final java.util.ResourceBundle rb =
-        java.security.AccessController.doPrivileged
-        (new java.security.PrivilegedAction<java.util.ResourceBundle>() {
-            public java.util.ResourceBundle run() {
-                return (java.util.ResourceBundle.getBundle
-                        ("sun.security.util.AuthResources"));
-            }
-        });
-
-    private Subject subject;
-    private LinkedList<PrincipalEntry> principals;
-    private static final Class[] PARAMS = { String.class };
-    private static final sun.security.util.Debug debug =
-        sun.security.util.Debug.getInstance("auth", "\t[Auth Access]");
-    private ClassLoader sysClassLoader;
-
-    /**
-     * Creates a new <code>SubjectCodeSource</code>
-     * with the given <code>Subject</code>, principals, <code>URL</code>,
-     * and signers (Certificates).  The <code>Subject</code>
-     * represents the <code>Subject</code> associated with the current
-     * <code>AccessControlContext</code>.
-     * The Principals are given as a <code>LinkedList</code>
-     * of <code>PolicyParser.PrincipalEntry</code> objects.
-     * Typically either a <code>Subject</code> will be provided,
-     * or a list of <code>principals</code> will be provided
-     * (not both).
-     *
-     * <p>
-     *
-     * @param subject the <code>Subject</code> associated with this
-     *                  <code>SubjectCodeSource</code> <p>
-     *
-     * @param url the <code>URL</code> associated with this
-     *                  <code>SubjectCodeSource</code> <p>
-     *
-     * @param certs the signers associated with this
-     *                  <code>SubjectCodeSource</code> <p>
-     */
-    SubjectCodeSource(Subject subject,
-        LinkedList<PrincipalEntry> principals,
-        URL url, Certificate[] certs) {
-
-        super(url, certs);
-        this.subject = subject;
-        this.principals = (principals == null ?
-                new LinkedList<PrincipalEntry>() :
-                new LinkedList<PrincipalEntry>(principals));
-        sysClassLoader = java.security.AccessController.doPrivileged
-        (new java.security.PrivilegedAction<ClassLoader>() {
-            public ClassLoader run() {
-                    return ClassLoader.getSystemClassLoader();
-            }
-        });
-    }
-
-    /**
-     * Get the Principals associated with this <code>SubjectCodeSource</code>.
-     * The Principals are retrieved as a <code>LinkedList</code>
-     * of <code>PolicyParser.PrincipalEntry</code> objects.
-     *
-     * <p>
-     *
-     * @return the Principals associated with this
-     *          <code>SubjectCodeSource</code> as a <code>LinkedList</code>
-     *          of <code>PolicyParser.PrincipalEntry</code> objects.
-     */
-    LinkedList<PrincipalEntry> getPrincipals() {
-        return principals;
-    }
-
-    /**
-     * Get the <code>Subject</code> associated with this
-     * <code>SubjectCodeSource</code>.  The <code>Subject</code>
-     * represents the <code>Subject</code> associated with the
-     * current <code>AccessControlContext</code>.
-     *
-     * <p>
-     *
-     * @return the <code>Subject</code> associated with this
-     *          <code>SubjectCodeSource</code>.
-     */
-    Subject getSubject() {
-        return subject;
-    }
-
-    /**
-     * Returns true if this <code>SubjectCodeSource</code> object "implies"
-     * the specified <code>CodeSource</code>.
-     * More specifically, this method makes the following checks.
-     * If any fail, it returns false.  If they all succeed, it returns true.
-     *
-     * <p>
-     * <ol>
-     * <li> The provided codesource must not be <code>null</code>.
-     * <li> codesource must be an instance of <code>SubjectCodeSource</code>.
-     * <li> super.implies(codesource) must return true.
-     * <li> for each principal in this codesource's principal list:
-     * <ol>
-     * <li>     if the principal is an instanceof
-     *          <code>PrincipalComparator</code>, then the principal must
-     *          imply the provided codesource's <code>Subject</code>.
-     * <li>     if the principal is not an instanceof
-     *          <code>PrincipalComparator</code>, then the provided
-     *          codesource's <code>Subject</code> must have an
-     *          associated <code>Principal</code>, <i>P</i>, where
-     *          P.getClass().getName equals principal.principalClass,
-     *          and P.getName() equals principal.principalName.
-     * </ol>
-     * </ol>
-     *
-     * <p>
-     *
-     * @param codesource the <code>CodeSource</code> to compare against.
-     *
-     * @return true if this <code>SubjectCodeSource</code> implies the
-     *          the specified <code>CodeSource</code>.
-     */
-    public boolean implies(CodeSource codesource) {
-
-        LinkedList<PrincipalEntry> subjectList = null;
-
-        if (codesource == null ||
-            !(codesource instanceof SubjectCodeSource) ||
-            !(super.implies(codesource))) {
-
-            if (debug != null)
-                debug.println("\tSubjectCodeSource.implies: FAILURE 1");
-            return false;
-        }
-
-        SubjectCodeSource that = (SubjectCodeSource)codesource;
-
-        // if the principal list in the policy "implies"
-        // the Subject associated with the current AccessControlContext,
-        // then return true
-
-        if (this.principals == null) {
-            if (debug != null)
-                debug.println("\tSubjectCodeSource.implies: PASS 1");
-            return true;
-        }
-
-        if (that.getSubject() == null ||
-            that.getSubject().getPrincipals().size() == 0) {
-            if (debug != null)
-                debug.println("\tSubjectCodeSource.implies: FAILURE 2");
-            return false;
-        }
-
-        ListIterator<PrincipalEntry> li = this.principals.listIterator(0);
-        while (li.hasNext()) {
-            PrincipalEntry pppe = li.next();
-            try {
-
-                // handle PrincipalComparators
-
-                Class<?> principalComparator = Class.forName(
-                        pppe.getPrincipalClass(), true, sysClassLoader);
-                Constructor<?> c = principalComparator.getConstructor(PARAMS);
-                PrincipalComparator pc =
-                        (PrincipalComparator)c.newInstance
-                        (new Object[] { pppe.getPrincipalName() });
-
-                if (!pc.implies(that.getSubject())) {
-                    if (debug != null)
-                        debug.println("\tSubjectCodeSource.implies: FAILURE 3");
-                    return false;
-                } else {
-                    if (debug != null)
-                        debug.println("\tSubjectCodeSource.implies: PASS 2");
-                    return true;
-                }
-            } catch (Exception e) {
-
-                // no PrincipalComparator, simply compare Principals
-
-                if (subjectList == null) {
-
-                    if (that.getSubject() == null) {
-                        if (debug != null)
-                            debug.println("\tSubjectCodeSource.implies: " +
-                                        "FAILURE 4");
-                        return false;
-                    }
-                    Iterator<Principal> i =
-                                that.getSubject().getPrincipals().iterator();
-
-                    subjectList = new LinkedList<PrincipalEntry>();
-                    while (i.hasNext()) {
-                        Principal p = i.next();
-                        PrincipalEntry spppe = new PrincipalEntry
-                                (p.getClass().getName(), p.getName());
-                        subjectList.add(spppe);
-                    }
-                }
-
-                if (!subjectListImpliesPrincipalEntry(subjectList, pppe)) {
-                    if (debug != null)
-                        debug.println("\tSubjectCodeSource.implies: FAILURE 5");
-                    return false;
-                }
-            }
-        }
-
-        if (debug != null)
-            debug.println("\tSubjectCodeSource.implies: PASS 3");
-        return true;
-    }
-
-    /**
-     * This method returns, true, if the provided <i>subjectList</i>
-     * "contains" the <code>Principal</code> specified
-     * in the provided <i>pppe</i> argument.
-     *
-     * Note that the provided <i>pppe</i> argument may have
-     * wildcards (*) for the <code>Principal</code> class and name,
-     * which need to be considered.
-     *
-     * <p>
-     *
-     * @param subjectList a list of PolicyParser.PrincipalEntry objects
-     *          that correspond to all the Principals in the Subject currently
-     *          on this thread's AccessControlContext. <p>
-     *
-     * @param pppe the Principals specified in a grant entry.
-     *
-     * @return true if the provided <i>subjectList</i> "contains"
-     *          the <code>Principal</code> specified in the provided
-     *          <i>pppe</i> argument.
-     */
-    private boolean subjectListImpliesPrincipalEntry(
-                LinkedList<PrincipalEntry> subjectList, PrincipalEntry pppe) {
-
-        ListIterator<PrincipalEntry> li = subjectList.listIterator(0);
-        while (li.hasNext()) {
-            PrincipalEntry listPppe = li.next();
-
-            if (pppe.getPrincipalClass().equals
-                        (PrincipalEntry.WILDCARD_CLASS) ||
-                pppe.getPrincipalClass().equals(listPppe.getPrincipalClass()))
-            {
-                if (pppe.getPrincipalName().equals
-                        (PrincipalEntry.WILDCARD_NAME) ||
-                    pppe.getPrincipalName().equals(listPppe.getPrincipalName()))
-                    return true;
-            }
-        }
-        return false;
-    }
-
-    /**
-     * Tests for equality between the specified object and this
-     * object. Two <code>SubjectCodeSource</code> objects are considered equal
-     * if their locations are of identical value, if the two sets of
-     * Certificates are of identical values, and if the
-     * Subjects are equal, and if the PolicyParser.PrincipalEntry values
-     * are of identical values.  It is not required that
-     * the Certificates or PolicyParser.PrincipalEntry values
-     * be in the same order.
-     *
-     * <p>
-     *
-     * @param obj the object to test for equality with this object.
-     *
-     * @return true if the objects are considered equal, false otherwise.
-     */
-    public boolean equals(Object obj) {
-
-        if (obj == this)
-            return true;
-
-        if (super.equals(obj) == false)
-            return false;
-
-        if (!(obj instanceof SubjectCodeSource))
-            return false;
-
-        SubjectCodeSource that = (SubjectCodeSource)obj;
-
-        // the principal lists must match
-        try {
-            if (this.getSubject() != that.getSubject())
-                return false;
-        } catch (SecurityException se) {
-            return false;
-        }
-
-        if ((this.principals == null && that.principals != null) ||
-            (this.principals != null && that.principals == null))
-            return false;
-
-        if (this.principals != null && that.principals != null) {
-            if (!this.principals.containsAll(that.principals) ||
-                !that.principals.containsAll(this.principals))
-
-                return false;
-        }
-
-        return true;
-    }
-
-    /**
-     * Return a hashcode for this <code>SubjectCodeSource</code>.
-     *
-     * <p>
-     *
-     * @return a hashcode for this <code>SubjectCodeSource</code>.
-     */
-    public int hashCode() {
-        return super.hashCode();
-    }
-
-    /**
-     * Return a String representation of this <code>SubjectCodeSource</code>.
-     *
-     * <p>
-     *
-     * @return a String representation of this <code>SubjectCodeSource</code>.
-     */
-    public String toString() {
-        String returnMe = super.toString();
-        if (getSubject() != null) {
-            if (debug != null) {
-                final Subject finalSubject = getSubject();
-                returnMe = returnMe + "\n" +
-                        java.security.AccessController.doPrivileged
-                                (new java.security.PrivilegedAction<String>() {
-                                public String run() {
-                                    return finalSubject.toString();
-                                }
-                        });
-            } else {
-                returnMe = returnMe + "\n" + getSubject().toString();
-            }
-        }
-        if (principals != null) {
-            ListIterator<PrincipalEntry> li = principals.listIterator();
-            while (li.hasNext()) {
-                PrincipalEntry pppe = li.next();
-                returnMe = returnMe + rb.getString("NEWLINE") +
-                        pppe.getPrincipalClass() + " " +
-                        pppe.getPrincipalName();
-            }
-        }
-        return returnMe;
-    }
-}