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Jetty example source code file (JAASUserPrincipal.java)
The Jetty JAASUserPrincipal.java source code// ======================================================================== // $Id: JAASUserPrincipal.java 1001 2006-09-23 09:31:51Z janb $ // Copyright 2002-2004 Mort Bay Consulting Pty. Ltd. // ------------------------------------------------------------------------ // Licensed 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.mortbay.jetty.plus.jaas; import java.security.Principal; import java.security.acl.Group; import java.util.Stack; import javax.security.auth.Subject; import javax.security.auth.login.LoginContext; /* ---------------------------------------------------- */ /** JAASUserPrincipal * <p>Implements the JAAS version of the * org.mortbay.http.UserPrincipal interface. * * @version $Id: JAASUserPrincipal.java 1001 2006-09-23 09:31:51Z janb $ * @author Jan Bartel (janb) */ public class JAASUserPrincipal implements Principal { /* ------------------------------------------------ */ /** RoleStack * <P> * */ public static class RoleStack { private static ThreadLocal local = new ThreadLocal(); public static boolean empty () { Stack s = (Stack)local.get(); if (s == null) return false; return s.empty(); } public static void push (JAASRole role) { Stack s = (Stack)local.get(); if (s == null) { s = new Stack(); local.set (s); } s.push (role); } public static void pop () { Stack s = (Stack)local.get(); if ((s == null) || s.empty()) return; s.pop(); } public static JAASRole peek () { Stack s = (Stack)local.get(); if ((s == null) || (s.empty())) return null; return (JAASRole)s.peek(); } public static void clear () { Stack s = (Stack)local.get(); if ((s == null) || (s.empty())) return; s.clear(); } } private Subject subject = null; private JAASUserRealm realm = null; private static RoleStack runAsRoles = new RoleStack(); private RoleCheckPolicy roleCheckPolicy = null; private String name = null; private LoginContext loginContext = null; /* ------------------------------------------------ */ /** Constructor. * @param name the name identifying the user */ public JAASUserPrincipal(JAASUserRealm realm, String name) { this.name = name; this.realm = realm; } public JAASUserRealm getRealm() { return this.realm; } /* ------------------------------------------------ */ /** Check if user is in role * @param roleName role to check * @return true or false accordint to the RoleCheckPolicy. */ public boolean isUserInRole (String roleName) { if (roleCheckPolicy == null) roleCheckPolicy = new StrictRoleCheckPolicy(); return roleCheckPolicy.checkRole (roleName, runAsRoles.peek(), getRoles()); } /* ------------------------------------------------ */ /** Determine the roles that the LoginModule has set * @return A {@link Group} of {@link Principal Principals} representing the roles this user holds */ public Group getRoles () { return getRealm().getRoles(this); } /* ------------------------------------------------ */ /** Set the type of checking for isUserInRole * @param policy */ public void setRoleCheckPolicy (RoleCheckPolicy policy) { roleCheckPolicy = policy; } /* ------------------------------------------------ */ /** Temporarily associate a user with a role. * @param roleName */ public void pushRole (String roleName) { runAsRoles.push (new JAASRole(roleName)); } /* ------------------------------------------------ */ /** Remove temporary association between user and role. */ public void popRole () { runAsRoles.pop (); } /* ------------------------------------------------ */ /** Clean out any pushed roles that haven't been popped */ public void disassociate () { runAsRoles.clear(); } /* ------------------------------------------------ */ /** Get the name identifying the user */ public String getName () { return name; } /* ------------------------------------------------ */ /** Sets the JAAS subject for this user. * The subject contains: * <ul> * <li> the user's credentials * <li> Principal for the user's roles * @param subject */ protected void setSubject (Subject subject) { this.subject = subject; } /* ------------------------------------------------ */ /** Provide access to the current Subject */ public Subject getSubject () { return this.subject; } protected void setLoginContext (LoginContext loginContext) { this.loginContext = loginContext; } protected LoginContext getLoginContext () { return this.loginContext; } public String toString() { return getName(); } } Other Jetty examples (source code examples)Here is a short list of links related to this Jetty JAASUserPrincipal.java source code file: |
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