/*
* Licensed to the Apache Software Foundation ( ASF ) under one or more
* contributor license agreements . See the NOTICE file distributed with
* this work for additional information regarding copyright ownership .
* The ASF licenses this file to You under the Apache License , Version 2 . 0
* ( the " License " ) ; you may not use this file except in compliance with
* the License . You may obtain a copy of the License at
*
* http : //www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing , software
* distributed under the License is distributed on an " AS IS " BASIS ,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND , either express or implied .
* See the License for the specific language governing permissions and
* limitations under the License .
*/
package org.apache.catalina.realm;
import java.io.Serializable;
import java.security.Principal;
import java.util.Arrays;
import java.util.Collections;
import java.util.Enumeration;
import java.util.List;
import java.util.Map;
import javax.security.auth.login.LoginContext;
import org.apache.catalina.TomcatPrincipal;
import org.ietf.jgss.GSSCredential;
/**
* Generic implementation of < strong > java . security . Principal < / strong > that is available for use by < code > Realm < / code >
* implementations .
*
* @ author Craig R . McClanahan
*/
public class GenericPrincipal implements TomcatPrincipal, Serializable {
private static final long serialVersionUID = 1 L;
// ----------------------------------------------------------- Constructors
/**
* Construct a new Principal , associated with the specified Realm , for the specified username , with no roles .
*
* @ param name The username of the user represented by this Principal
*/
public GenericPrincipal(String name) {
this (name, null );
}
/**
* Construct a new Principal , associated with the specified Realm , for the specified username , with the specified
* role names ( as Strings ) .
*
* @ param name The username of the user represented by this Principal
* @ param roles List of roles ( must be Strings ) possessed by this user
*/
public GenericPrincipal(String name, List<String> roles) {
this (name, roles, null );
}
/**
* Construct a new Principal , associated with the specified Realm , for the specified username , with the specified
* role names ( as Strings ) .
*
* @ param name The username of the user represented by this Principal
* @ param password Unused
* @ param roles List of roles ( must be Strings ) possessed by this user
*
* @ deprecated This method will be removed in Tomcat 11 onwards
*/
@Deprecated
public GenericPrincipal(String name, String password, List<String> roles) {
this (name, roles, null );
}
/**
* Construct a new Principal , associated with the specified Realm , for the specified username , with the specified
* role names ( as Strings ) .
*
* @ param name The username of the user represented by this Principal
* @ param roles List of roles ( must be Strings ) possessed by this user
* @ param userPrincipal - the principal to be returned from the request getUserPrincipal call if not null ; if null ,
* this will be returned
*/
public GenericPrincipal(String name, List<String> roles, Principal userPrincipal) {
this (name, roles, userPrincipal, null );
}
/**
* Construct a new Principal , associated with the specified Realm , for the specified username , with the specified
* role names ( as Strings ) .
*
* @ param name The username of the user represented by this Principal
* @ param password Unused
* @ param roles List of roles ( must be Strings ) possessed by this user
* @ param userPrincipal - the principal to be returned from the request getUserPrincipal call if not null ; if null ,
* this will be returned
*
* @ deprecated This method will be removed in Tomcat 11 onwards
*/
@Deprecated
public GenericPrincipal(String name, String password, List<String> roles, Principal userPrincipal) {
this (name, roles, userPrincipal, null );
}
/**
* Construct a new Principal , associated with the specified Realm , for the specified username , with the specified
* role names ( as Strings ) .
*
* @ param name The username of the user represented by this Principal
* @ param roles List of roles ( must be Strings ) possessed by this user
* @ param userPrincipal - the principal to be returned from the request getUserPrincipal call if not null ; if null ,
* this will be returned
* @ param loginContext - If provided , this will be used to log out the user at the appropriate time
*/
public GenericPrincipal(String name, List<String> roles, Principal userPrincipal, LoginContext loginContext) {
this (name, roles, userPrincipal, loginContext, null , null );
}
/**
* Construct a new Principal , associated with the specified Realm , for the specified username , with the specified
* role names ( as Strings ) .
*
* @ param name The username of the user represented by this Principal
* @ param password Unused
* @ param roles List of roles ( must be Strings ) possessed by this user
* @ param userPrincipal - the principal to be returned from the request getUserPrincipal call if not null ; if null ,
* this will be returned
* @ param loginContext - If provided , this will be used to log out the user at the appropriate time
*
* @ deprecated This method will be removed in Tomcat 11 onwards
*/
@Deprecated
public GenericPrincipal(String name, String password, List<String> roles, Principal userPrincipal,
LoginContext loginContext) {
this (name, roles, userPrincipal, loginContext, null , null );
}
/**
* Construct a new Principal , associated with the specified Realm , for the specified username , with the specified
* role names ( as Strings ) .
*
* @ param name The username of the user represented by this Principal
* @ param roles List of roles ( must be Strings ) possessed by this user
* @ param userPrincipal - the principal to be returned from the request getUserPrincipal call if not null ; if null ,
* this will be returned
* @ param loginContext - If provided , this will be used to log out the user at the appropriate time
* @ param gssCredential - If provided , the user ' s delegated credentials
* @ param attributes - If provided , additional attributes associated with this Principal
*/
public GenericPrincipal(String name, List<String> roles, Principal userPrincipal, LoginContext loginContext,
GSSCredential gssCredential, Map<String,Object> attributes) {
super ();
this .name = name;
this .userPrincipal = userPrincipal;
if (roles == null ) {
this .roles = new String[0 ];
} else {
this .roles = roles.toArray(new String[0 ]);
if (this .roles.length > 1 ) {
Arrays.sort(this .roles);
}
}
this .loginContext = loginContext;
this .gssCredential = gssCredential;
this .attributes = attributes != null ? Collections.unmodifiableMap(attributes) : null ;
}
/**
* Construct a new Principal , associated with the specified Realm , for the specified username , with the specified
* role names ( as Strings ) .
*
* @ param name The username of the user represented by this Principal
* @ param password Unused
* @ param roles List of roles ( must be Strings ) possessed by this user
* @ param userPrincipal - the principal to be returned from the request getUserPrincipal call if not null ; if null ,
* this will be returned
* @ param loginContext - If provided , this will be used to log out the user at the appropriate time
* @ param gssCredential - If provided , the user ' s delegated credentials
*
* @ deprecated This method will be removed in Tomcat 11 onwards
*/
@Deprecated
public GenericPrincipal(String name, String password, List<String> roles, Principal userPrincipal,
LoginContext loginContext, GSSCredential gssCredential) {
this (name, roles, userPrincipal, loginContext, gssCredential, null );
}
// -------------------------------------------------------------- Properties
/**
* The username of the user represented by this Principal .
*/
protected final String name;
@Override
public String getName() {
return this .name;
}
/**
* The set of roles associated with this user .
*/
protected final String[] roles;
public String[] getRoles() {
return this .roles.clone();
}
/**
* The authenticated Principal to be exposed to applications .
*/
protected final Principal userPrincipal;
@Override
public Principal getUserPrincipal() {
if (userPrincipal != null ) {
return userPrincipal;
} else {
return this ;
}
}
/**
* The JAAS LoginContext , if any , used to authenticate this Principal . Kept so we can call logout ( ) .
*/
protected final transient LoginContext loginContext;
/**
* The user ' s delegated credentials .
*/
protected transient GSSCredential gssCredential = null ;
@Override
public GSSCredential getGssCredential() {
return this .gssCredential;
}
protected void setGssCredential(GSSCredential gssCredential) {
this .gssCredential = gssCredential;
}
/**
* The additional attributes associated with this Principal .
*/
protected final Map<String,Object> attributes;
// ---------------------------------------------------------- Public Methods
/**
* Does the user represented by this Principal possess the specified role ?
*
* @ param role Role to be tested
*
* @ return < code > true < / code > if this Principal has been assigned the given role , otherwise < code > false < / code >
*/
public boolean hasRole(String role) {
if ("*" .equals(role)) { // Special 2.4 role meaning everyone
return true ;
}
if (role == null ) {
return false ;
}
return Arrays.binarySearch(roles, role) >= 0 ;
}
/**
* Return a String representation of this object , which exposes only information that should be public .
*/
@Override
public String toString() {
StringBuilder sb = new StringBuilder("GenericPrincipal[" );
sb.append(this .name);
sb.append('(' );
for (String role : roles) {
sb.append(role).append(',' );
}
sb.append(")]" );
return sb.toString();
}
@Override
public void logout() throws Exception {
if (loginContext != null ) {
loginContext.logout();
}
if (gssCredential != null ) {
gssCredential.dispose();
}
}
@Override
public Object getAttribute(String name) {
if (attributes == null || name == null ) {
return null ;
}
return attributes.get(name);
}
@Override
public Enumeration<String> getAttributeNames() {
if (attributes == null ) {
return Collections.emptyEnumeration();
}
return Collections.enumeration(attributes.keySet());
}
// ----------------------------------------------------------- Serialization
private Object writeReplace() {
return new SerializablePrincipal(name, roles, userPrincipal, attributes);
}
private static class SerializablePrincipal implements Serializable {
private static final long serialVersionUID = 1 L;
private final String name;
private final String[] roles;
private final Principal principal;
private final Map<String,Object> attributes;
SerializablePrincipal(String name, String[] roles, Principal principal, Map<String,Object> attributes) {
this .name = name;
this .roles = roles;
if (principal instanceof Serializable) {
this .principal = principal;
} else {
this .principal = null ;
}
this .attributes = attributes;
}
private Object readResolve() {
return new GenericPrincipal(name, Arrays.asList(roles), principal, null , null , attributes);
}
}
}
Messung V0.5 in Prozent C=92 H=93 G=92
¤ Dauer der Verarbeitung: 0.15 Sekunden
(vorverarbeitet am 2026-06-10)
¤
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