--- /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.aaf.v2_0;
+
+import java.io.IOException;
+import java.net.ConnectException;
+import java.security.Principal;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import org.onap.aaf.cadi.AbsUserCache;
+import org.onap.aaf.cadi.CachedPrincipal;
+import org.onap.aaf.cadi.CadiException;
+import org.onap.aaf.cadi.Connector;
+import org.onap.aaf.cadi.GetCred;
+import org.onap.aaf.cadi.Hash;
+import org.onap.aaf.cadi.SecuritySetter;
+import org.onap.aaf.cadi.User;
+import org.onap.aaf.cadi.Access.Level;
+import org.onap.aaf.cadi.CachedPrincipal.Resp;
+import org.onap.aaf.cadi.Taf.LifeForm;
+import org.onap.aaf.cadi.aaf.AAFPermission;
+import org.onap.aaf.cadi.aaf.v2_0.AAFCon.GetSetter;
+import org.onap.aaf.cadi.client.Future;
+import org.onap.aaf.cadi.client.Rcli;
+import org.onap.aaf.cadi.client.Retryable;
+import org.onap.aaf.cadi.config.Config;
+import org.onap.aaf.cadi.principal.BasicPrincipal;
+import org.onap.aaf.cadi.principal.CachedBasicPrincipal;
+import org.onap.aaf.cadi.taf.HttpTaf;
+import org.onap.aaf.cadi.taf.TafResp;
+import org.onap.aaf.cadi.taf.TafResp.RESP;
+import org.onap.aaf.cadi.taf.basic.BasicHttpTafResp;
+import org.onap.aaf.misc.env.APIException;
+
+public class AAFTaf<CLIENT> extends AbsUserCache<AAFPermission> implements HttpTaf {
+// private static final String INVALID_AUTH_TOKEN = "Invalid Auth Token";
+// private static final String AUTHENTICATING_SERVICE_UNAVAILABLE = "Authenticating Service unavailable";
+ private AAFCon<CLIENT> aaf;
+ private boolean warn;
+
+ public AAFTaf(AAFCon<CLIENT> con, boolean turnOnWarning) {
+ super(con.access,con.cleanInterval,con.highCount, con.usageRefreshTriggerCount);
+ aaf = con;
+ warn = turnOnWarning;
+ }
+
+ public AAFTaf(AAFCon<CLIENT> con, boolean turnOnWarning, AbsUserCache<AAFPermission> other) {
+ super(other);
+ aaf = (AAFCon<CLIENT>)con;
+ warn = turnOnWarning;
+ }
+
+ // Note: Needed for Creation of this Object with Generics
+ @SuppressWarnings("unchecked")
+ public AAFTaf(Connector mustBeAAFCon, boolean turnOnWarning, AbsUserCache<AAFPermission> other) throws CadiException {
+ this((AAFCon<CLIENT>)mustBeAAFCon,turnOnWarning,other);
+ }
+
+ // Note: Needed for Creation of this Object with Generics
+ @SuppressWarnings("unchecked")
+ public AAFTaf(Connector mustBeAAFCon, boolean turnOnWarning) throws CadiException {
+ this((AAFCon<CLIENT>)mustBeAAFCon,turnOnWarning);
+ }
+
+
+ public TafResp validate(final LifeForm reading, final HttpServletRequest req, final HttpServletResponse resp) {
+ //TODO Do we allow just anybody to validate?
+
+ // Note: Either Carbon or Silicon based LifeForms ok
+ String authz = req.getHeader("Authorization");
+ if(authz != null && authz.startsWith("Basic ")) {
+ if(warn&&!req.isSecure())aaf.access.log(Level.WARN,"WARNING! BasicAuth has been used over an insecure channel");
+ try {
+ final CachedBasicPrincipal bp;
+ if(req.getUserPrincipal() instanceof CachedBasicPrincipal) {
+ bp = (CachedBasicPrincipal)req.getUserPrincipal();
+ } else {
+ bp = new CachedBasicPrincipal(this,authz,aaf.getRealm(),aaf.userExpires);
+ }
+ // First try Cache
+ final User<AAFPermission> usr = getUser(bp);
+ if(usr != null && usr.principal != null) {
+ if(usr.principal instanceof GetCred) {
+ if(Hash.isEqual(bp.getCred(),((GetCred)usr.principal).getCred())) {
+ return new BasicHttpTafResp(aaf.access,bp,bp.getName()+" authenticated by cached AAF password",RESP.IS_AUTHENTICATED,resp,aaf.getRealm(),false);
+ }
+ }
+ }
+
+ Miss miss = missed(bp.getName(), bp.getCred());
+ if(miss!=null && !miss.mayContinue()) {
+ return new BasicHttpTafResp(aaf.access,null,buildMsg(bp,req,
+ "User/Pass Retry limit exceeded"),
+ RESP.TRY_AUTHENTICATING,resp,aaf.getRealm(),true);
+ }
+
+ return aaf.bestForUser(
+ new GetSetter() {
+ @Override
+ public <CL> SecuritySetter<CL> get(AAFCon<CL> con) throws CadiException {
+ return con.basicAuthSS(bp);
+ }
+ },new Retryable<BasicHttpTafResp>() {
+ @Override
+ public BasicHttpTafResp code(Rcli<?> client) throws CadiException, ConnectException, APIException {
+ Future<String> fp = client.read("/authn/basicAuth", "text/plain");
+ if(fp.get(aaf.timeout)) {
+ if(usr!=null) {
+ usr.principal = bp;
+ } else {
+ addUser(new User<AAFPermission>(bp,aaf.userExpires));
+ }
+ return new BasicHttpTafResp(aaf.access,bp,bp.getName()+" authenticated by AAF password",RESP.IS_AUTHENTICATED,resp,aaf.getRealm(),false);
+ } else {
+ // Note: AddMiss checks for miss==null, and is part of logic
+ boolean rv= addMiss(bp.getName(),bp.getCred());
+ if(rv) {
+ return new BasicHttpTafResp(aaf.access,null,buildMsg(bp,req,
+ "user/pass combo invalid via AAF from " + req.getRemoteAddr()),
+ RESP.TRY_AUTHENTICATING,resp,aaf.getRealm(),true);
+ } else {
+ return new BasicHttpTafResp(aaf.access,null,buildMsg(bp,req,
+ "user/pass combo invalid via AAF from " + req.getRemoteAddr() + " - Retry limit exceeded"),
+ RESP.FAIL,resp,aaf.getRealm(),true);
+ }
+ }
+ }
+ }
+ );
+ } catch (IOException e) {
+ String msg = buildMsg(null,req,"Invalid Auth Token");
+ aaf.access.log(Level.WARN,msg,'(', e.getMessage(), ')');
+ return new BasicHttpTafResp(aaf.access,null,msg, RESP.TRY_AUTHENTICATING, resp, aaf.getRealm(),true);
+ } catch (Exception e) {
+ String msg = buildMsg(null,req,"Authenticating Service unavailable");
+ try {
+ aaf.invalidate();
+ } catch (CadiException e1) {
+ aaf.access.log(e1, "Error Invalidating Client");
+ }
+ aaf.access.log(Level.WARN,msg,'(', e.getMessage(), ')');
+ return new BasicHttpTafResp(aaf.access,null,msg, RESP.FAIL, resp, aaf.getRealm(),false);
+ }
+ }
+ return new BasicHttpTafResp(aaf.access,null,"Requesting HTTP Basic Authorization",RESP.TRY_AUTHENTICATING,resp,aaf.getRealm(),false);
+ }
+
+ public String buildMsg(Principal pr, HttpServletRequest req, Object ... msg) {
+ StringBuilder sb = new StringBuilder();
+ for(Object s : msg) {
+ sb.append(s.toString());
+ }
+ if(pr!=null) {
+ sb.append(" for ");
+ sb.append(pr.getName());
+ }
+ sb.append(" from ");
+ sb.append(req.getRemoteAddr());
+ sb.append(':');
+ sb.append(req.getRemotePort());
+ return sb.toString();
+ }
+
+
+
+ public Resp revalidate(CachedPrincipal prin, Object state) {
+ // !!!! TEST THIS.. Things may not be revalidated, if not BasicPrincipal
+ if(prin instanceof BasicPrincipal) {
+ Future<String> fp;
+ try {
+ Rcli<CLIENT> userAAF = aaf.client(Config.AAF_DEFAULT_VERSION).forUser(aaf.transferSS((BasicPrincipal)prin));
+ fp = userAAF.read("/authn/basicAuth", "text/plain");
+ return fp.get(aaf.timeout)?Resp.REVALIDATED:Resp.UNVALIDATED;
+ } catch (Exception e) {
+ aaf.access.log(e, "Cannot Revalidate",prin.getName());
+ return Resp.INACCESSIBLE;
+ }
+ }
+ return Resp.NOT_MINE;
+ }
+
+}