AT&T 2.0.19 Code drop, stage 2

[aaf/authz.git] / cadi / aaf / src / main / java / org / onap / aaf / cadi / oauth / OAuth2HttpTaf.java

diff --git a/cadi/aaf/src/main/java/org/onap/aaf/cadi/oauth/OAuth2HttpTaf.java b/cadi/aaf/src/main/java/org/onap/aaf/cadi/oauth/OAuth2HttpTaf.java
new file mode 100644 (file)
index 0000000..3d5f7d9
--- /dev/null
+++ b/cadi/aaf/src/main/java/org/onap/aaf/cadi/oauth/OAuth2HttpTaf.java
@@ -0,0 +1,82 @@
+/**
+ * ============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.oauth;
+
+import java.security.NoSuchAlgorithmException;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import org.onap.aaf.cadi.Access;
+import org.onap.aaf.cadi.CachedPrincipal;
+import org.onap.aaf.cadi.CadiException;
+import org.onap.aaf.cadi.Hash;
+import org.onap.aaf.cadi.LocatorException;
+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.client.Result;
+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.misc.env.APIException;
+
+public class OAuth2HttpTaf implements HttpTaf {
+       final private Access access;
+       final private TokenMgr tmgr;
+
+       public OAuth2HttpTaf(final Access access, final TokenMgr tmgr) {
+               this.tmgr = tmgr;
+               this.access = access;
+       }
+       
+       @Override
+       public TafResp validate(LifeForm reading, HttpServletRequest req, HttpServletResponse resp) {
+               String authz = req.getHeader("Authorization");
+               if(authz != null && authz.length()>7 && authz.startsWith("Bearer ")) {
+                       if(!req.isSecure()) {
+                               access.log(Level.WARN,"WARNING! OAuth has been used over an insecure channel");
+                       }
+                       try {
+                               String tkn = authz.substring(7);
+                               Result<OAuth2Principal> rp = tmgr.toPrincipal(tkn,Hash.hashSHA256(tkn.getBytes()));
+                               if(rp.isOK()) {
+                                       return new OAuth2HttpTafResp(access,rp.value,rp.value.getName()+" authenticated by Bearer Token",RESP.IS_AUTHENTICATED,resp,false);
+                               } else {
+                                       return new OAuth2HttpTafResp(access,null,rp.error,RESP.FAIL,resp,true);
+                               }
+                       } catch (APIException | CadiException | LocatorException e) {
+                               return new OAuth2HttpTafResp(access,null,"Bearer Token invalid",RESP.FAIL,resp,true);
+                       } catch (NoSuchAlgorithmException e) {
+                               return new OAuth2HttpTafResp(access,null,"Security Algorithm not available",RESP.FAIL,resp,true);
+                       }
+               }
+               return new OAuth2HttpTafResp(access,null,"No OAuth2 ",RESP.TRY_ANOTHER_TAF,resp,true);
+       }
+
+       @Override
+       public Resp revalidate(CachedPrincipal prin,Object state) {
+               //TODO!!!!
+               return null;
+       }
+
+}