--- /dev/null
+/**
+ * ============LICENSE_START====================================================
+ * org.onap.aaf
+ * ===========================================================================
+ * Copyright (c) 2018 AT&T Intellectual Property. All rights reserved.
+ * ===========================================================================
+ * 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.
+ * ============LICENSE_END====================================================
+ *
+ */
+
+package org.onap.aaf.cadi;
+
+import java.security.Principal;
+import java.util.ArrayList;
+import java.util.List;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletRequestWrapper;
+
+import org.onap.aaf.cadi.Access.Level;
+import org.onap.aaf.cadi.filter.NullPermConverter;
+import org.onap.aaf.cadi.filter.PermConverter;
+import org.onap.aaf.cadi.lur.EpiLur;
+import org.onap.aaf.cadi.principal.TaggedPrincipal;
+import org.onap.aaf.cadi.taf.TafResp;
+
+
+
+/**
+ * Inherit the HttpServletRequestWrapper, which calls methods of delegate it's created with, but
+ * overload the key security mechanisms with CADI mechanisms
+ *
+ * This works with mechanisms working strictly with HttpServletRequest (i.e. Servlet Filters)
+ *
+ * Specialty cases, i.e. Tomcat, which for their containers utilize their own mechanisms and Wrappers, you may
+ * need something similar. See AppServer specific code (i.e. tomcat) for these.
+ *
+ * @author Jonathan
+ *
+ */
+public class CadiWrap extends HttpServletRequestWrapper implements HttpServletRequest, BasicCred {
+ private TaggedPrincipal principal;
+ private Lur lur;
+ private String user; // used to set user/pass from brain-dead protocols like WSSE
+ private byte[] password;
+ private PermConverter pconv;
+ private Access access;
+
+ /**
+ * Standard Wrapper constructor for Delegate pattern
+ * @param request
+ */
+ public CadiWrap(HttpServletRequest request, TafResp tafResp, Lur lur) {
+ super(request);
+ principal = tafResp.getPrincipal();
+ access = tafResp.getAccess();
+ this.lur = lur;
+ pconv = NullPermConverter.singleton();
+ }
+
+ /**
+ * Standard Wrapper constructor for Delegate pattern, with PermConverter
+ * @param request
+ */
+ public CadiWrap(HttpServletRequest request, TafResp tafResp, Lur lur, PermConverter pc) {
+ super(request);
+ principal = tafResp.getPrincipal();
+ access = tafResp.getAccess();
+ this.lur = lur;
+ pconv = pc;
+ }
+
+
+ /**
+ * Part of the HTTP Security API. Declare the User associated with this HTTP Transaction.
+ * CADI does this by reporting the name associated with the Principal obtained, if any.
+ */
+ @Override
+ public String getRemoteUser() {
+ return principal==null?null:principal.getName();
+ }
+
+ /**
+ * Part of the HTTP Security API. Return the User Principal associated with this HTTP
+ * Transaction.
+ */
+ @Override
+ public Principal getUserPrincipal() {
+ return principal;
+ }
+
+ /**
+ * This is the key API call for AUTHZ in J2EE. Given a Role (String passed in), is the user
+ * associated with this HTTP Transaction allowed to function in this Role?
+ *
+ * For CADI, we pass the responsibility for determining this to the "LUR", which may be
+ * determined by the Enterprise.
+ *
+ * Note: Role check is also done in "CadiRealm" in certain cases...
+ *
+ *
+ */
+ @Override
+ public boolean isUserInRole(String perm) {
+ return perm==null?false:checkPerm(access,"(HttpRequest)",principal,pconv,lur,perm);
+ }
+
+ public static boolean checkPerm(Access access, String caller, Principal principal, PermConverter pconv, Lur lur, String perm) {
+ if(principal== null) {
+ access.log(Level.AUDIT,caller, "No Principal in Transaction");
+ return false;
+ } else {
+ perm = pconv.convert(perm);
+ if(lur.fish(principal,lur.createPerm(perm))) {
+ access.log(Level.DEBUG,caller, principal.getName(), "has", perm);
+ return true;
+ } else {
+ access.log(Level.DEBUG,caller, principal.getName(), "does not have", perm);
+ return false;
+ }
+ }
+
+ }
+
+ /**
+ * CADI Function (Non J2EE standard). GetPermissions will read the Permissions from AAF (if configured) and Roles from Local Lur, etc
+ * as implemented with lur.fishAll
+ *
+ * To utilize, the Request must be a "CadiWrap" object, then call.
+ */
+ public List<Permission> getPermissions(Principal p) {
+ List<Permission> perms = new ArrayList<Permission>();
+ lur.fishAll(p, perms);
+ return perms;
+ }
+ /**
+ * Allow setting of tafResp and lur after construction
+ *
+ * This can happen if the CadiWrap is constructed in a Valve other than CadiValve
+ */
+ public void set(TafResp tafResp, Lur lur) {
+ principal = tafResp.getPrincipal();
+ access = tafResp.getAccess();
+ this.lur = lur;
+ }
+
+ public String getUser() {
+ if(user==null && principal!=null) {
+ user = principal.getName();
+ }
+ return user;
+ }
+
+ public byte[] getCred() {
+ return password;
+ }
+
+ public void setUser(String user) {
+ this.user = user;
+ }
+
+ public void setCred(byte[] passwd) {
+ password = passwd;
+ }
+
+ public CadiWrap setPermConverter(PermConverter pc) {
+ pconv = pc;
+ return this;
+ }
+
+ // Add a feature
+ public void invalidate(String id) {
+ if(lur instanceof EpiLur) {
+ ((EpiLur)lur).remove(id);
+ } else if(lur instanceof CachingLur) {
+ ((CachingLur<?>)lur).remove(id);
+ }
+ }
+
+ public Lur getLur() {
+ return lur;
+ }
+
+ public Access access() {
+ return access;
+ }
+}
Code Review / aaf / authz.git / blobdiff