/hudson-core/src/main/java/hudson/security/ACL.java
http://github.com/hudson/hudson · Java · 115 lines · 27 code · 9 blank · 79 comment · 1 complexity · 781c223a69a0312eae53b5b137351d7e MD5 · raw file
- /*
- * The MIT License
- *
- * Copyright (c) 2004-2009, Sun Microsystems, Inc., Kohsuke Kawaguchi
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
- package hudson.security;
- import org.acegisecurity.Authentication;
- import org.acegisecurity.providers.UsernamePasswordAuthenticationToken;
- import org.acegisecurity.acls.sid.PrincipalSid;
- import org.acegisecurity.acls.sid.Sid;
- import hudson.model.Hudson;
- import hudson.model.Executor;
- /**
- * Gate-keeper that controls access to Hudson's model objects.
- *
- * @author Kohsuke Kawaguchi
- * @see http://wiki.hudson-ci.org/display/HUDSON/Making+your+plugin+behave+in+secured+Hudson
- */
- public abstract class ACL {
- /**
- * Checks if the current security principal has this permission.
- *
- * <p>
- * This is just a convenience function.
- *
- * @throws org.acegisecurity.AccessDeniedException
- * if the user doesn't have the permission.
- */
- public final void checkPermission(Permission p) {
- Authentication a = Hudson.getAuthentication();
- if(!hasPermission(a,p))
- throw new AccessDeniedException2(a,p);
- }
- /**
- * Checks if the current security principal has this permission.
- *
- * @return false
- * if the user doesn't have the permission.
- */
- public final boolean hasPermission(Permission p) {
- return hasPermission(Hudson.getAuthentication(),p);
- }
- /**
- * Checks if the given principle has the given permission.
- *
- * <p>
- * Note that {@link #SYSTEM} can be passed in as the authentication parameter,
- * in which case you should probably just assume it has every permission.
- */
- public abstract boolean hasPermission(Authentication a, Permission permission);
- //
- // Sid constants
- //
- /**
- * Special {@link Sid} that represents "everyone", even including anonymous users.
- *
- * <p>
- * This doesn't need to be included in {@link Authentication#getAuthorities()},
- * but {@link ACL} is responsible for checking it nontheless, as if it was the
- * last entry in the granted authority.
- */
- public static final Sid EVERYONE = new Sid() {
- @Override
- public String toString() {
- return "EVERYONE";
- }
- };
- /**
- * {@link Sid} that represents the anonymous unauthenticated users.
- * <p>
- * {@link HudsonFilter} sets this up, so this sid remains the same
- * regardless of the current {@link SecurityRealm} in use.
- */
- public static final Sid ANONYMOUS = new PrincipalSid("anonymous");
- protected static final Sid[] AUTOMATIC_SIDS = new Sid[]{EVERYONE,ANONYMOUS};
- /**
- * {@link Sid} that represents the Hudson itself.
- * <p>
- * This is used when Hudson is performing computation for itself, instead
- * of acting on behalf of an user, such as doing builds.
- *
- * <p>
- * (Note that one of the features being considered is to keep track of who triggered
- * a build — so in a future, perhaps {@link Executor} will run on behalf of
- * the user who triggered a build.)
- */
- public static final Authentication SYSTEM = new UsernamePasswordAuthenticationToken("SYSTEM","SYSTEM");
- }