Update REST Samples for required behavior
[aaf/authz.git] / cadi / oauth-enduser / src / test / java / org / onap / aaf / cadi / enduser / test / OAuthExample.java
diff --git a/cadi/oauth-enduser/src/test/java/org/onap/aaf/cadi/enduser/test/OAuthExample.java b/cadi/oauth-enduser/src/test/java/org/onap/aaf/cadi/enduser/test/OAuthExample.java
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+/**
+ * ============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.enduser.test;
+
+import java.io.IOException;
+import java.net.ConnectException;
+import java.security.GeneralSecurityException;
+import java.util.Date;
+import java.util.GregorianCalendar;
+
+import org.onap.aaf.cadi.Access.Level;
+import org.onap.aaf.cadi.CadiException;
+import org.onap.aaf.cadi.LocatorException;
+import org.onap.aaf.cadi.PropAccess;
+import org.onap.aaf.cadi.client.Future;
+import org.onap.aaf.cadi.client.Rcli;
+import org.onap.aaf.cadi.client.Result;
+import org.onap.aaf.cadi.client.Retryable;
+import org.onap.aaf.cadi.config.Config;
+import org.onap.aaf.cadi.oauth.TimedToken;
+import org.onap.aaf.cadi.oauth.TokenClient;
+import org.onap.aaf.cadi.oauth.TokenClientFactory;
+import org.onap.aaf.cadi.oauth.TzClient;
+import org.onap.aaf.cadi.util.FQI;
+import org.onap.aaf.misc.env.APIException;
+import org.onap.aaf.misc.env.util.Chrono;
+
+import aafoauth.v2_0.Introspect;
+import aafoauth.v2_0.Token;
+
+
+public class OAuthExample {
+       private static TokenClientFactory tcf;
+       private static PropAccess access;
+
+       public final static void main(final String args[]) {
+               // These Objects are expected to be Long-Lived... Construct once
+               
+               // Property Access
+                       // This method will allow you to set "cadi_prop_files" (or any other property) on Command line 
+               access = new PropAccess(args);
+               
+                       // access = PropAccess();
+                       // Note: This style will load "cadi_prop_files" from VM Args
+               
+               // Token aware Client Factory
+               try {
+                       tcf = TokenClientFactory.instance(access);
+               } catch (APIException | GeneralSecurityException | IOException | CadiException e1) {
+                       access.log(e1, "Unable to setup OAuth Client Factory, Fail Fast");
+                       System.exit(1);
+               }
+               
+               
+               // Obtain Endpoints for OAuth2 from Properties.  Expected is "cadi.properties" file, pointed to by "cadi_prop_files"
+               String tokenServiceURL = access.getProperty(Config.AAF_OAUTH2_TOKEN_URL,
+                               "https://AAF_LOCATE_URL/AAF_NS.token/2.0"); // Default to AAF
+               String tokenIntrospectURL = access.getProperty(Config.AAF_OAUTH2_INTROSPECT_URL,
+                               "https://AAF_LOCATE_URL/AAF_NS.introspect/2.0"); // Default to AAF);
+               // Get Hello Service
+               final String endServicesURL = access.getProperty(Config.AAF_OAUTH2_HELLO_URL, 
+                               "https://AAF_LOCATE_URL/AAF_NS.hello/2.0");
+
+               final int CALL_TIMEOUT = Integer.parseInt(access.getProperty(Config.AAF_CALL_TIMEOUT,Config.AAF_CALL_TIMEOUT_DEF));
+               
+               try {
+                       //////////////////////////////////////////////////////////////////////
+                       // Scenario 1:
+                       // Get and use an OAuth Client, which understands Token Management
+                       //////////////////////////////////////////////////////////////////////
+                       // Create a Token Client, that gets its tokens from expected OAuth Server
+                       //   In this example, it is AAF, but it can be the Alternate OAuth
+
+                       TokenClient tc = tcf.newClient(tokenServiceURL); // can set your own timeout here (url, timeoutMilliseconds)
+                       // Set your Application (MicroService, whatever) Credentials here
+                       //   These are how your Application is known, particularly to the OAuth Server. 
+                       //   If AAF Token server, then its just the same as your other AAF MechID creds
+                       //   If it is the Alternate OAUTH, you'll need THOSE credentials.  See that tool's Onboarding procedures.
+                       String client_id = access.getProperty(Config.AAF_APPID);
+                       if(client_id==null) {
+                               // For AAF, client_id CAN be Certificate.  This is not necessarily true elsewhere
+                               client_id = access.getProperty(Config.CADI_ALIAS);
+                       }
+                       String client_secret = access.getProperty(Config.AAF_APPPASS);
+                       tc.client_creds(client_id, client_secret);
+                       
+                       // If you are working with Credentials the End User, set username/password as appropriate to the OAuth Server
+                       // tc.password(end_user_id, end_user_password);
+                       // IMPORTANT:
+                       //   if you are setting client Credentials, you MAY NOT reuse this Client mid-transaction.  You CAN reuse after setting
+                       //  tc.clearEndUser();
+                       // You may want to see "Pooled Client" example, using special CADI utility
+
+                       // With AAF, the Scopes you put in are the AAF Namespaces you want access to.  Your Token will contain the
+                       // AAF Permissions of the Namespaces (you can put in more than one), the user name (or client_id if no user_name),
+                       // is allowed to see.
+                       
+                       // Here's a trick to get the namespace out of a Fully Qualified AAF Identity (your MechID)
+                       String ns = FQI.reverseDomain(client_id);
+                       System.out.printf("\nNote: The AAF Namespace of FQI (Fully Qualified Identity) %s is %s\n\n",client_id, ns);
+
+                       // Now, we can get a Token.  Note: for "scope", use AAF Namespaces to get AAF Permissions embedded in
+                       // Note: getToken checks if Token is expired, if so, then refreshes before handing back.
+                       Result<TimedToken> rtt = tc.getToken(ns,"org.onap.test");
+                       
+                       // Note: you can clear a Token's Disk/Memory presence by
+                       //  1) removing the Token from the "token/outgoing" directory on the O/S
+                       //  2) programmatically by calling "clearToken" with exact params as "getToken", when it has the same credentials set
+                       //       tc.clearToken("org.onap.aaf","org.onap.test");
+                       
+                       // Result Object can be queried for success
+                       if(rtt.isOK()) {
+                               TimedToken token = rtt.value;
+                               print(token); // Take a look at what's in a Token
+                               
+                               // Use this Token in your client calls with "Tokenized Client" (TzClient)
+                               // These should NOT be used cross thread.
+                               TzClient helloClient = tcf.newTzClient(endServicesURL);
+                               helloClient.setToken(client_id, token);
+                               
+                               // This client call style, "best" call with "Retryable" inner class covers finding an available Service 
+                               // (when Multi-services exist) for the best service, based (currently) on distance.
+                               //
+                               // the "Generic" in Type gives a Return Value for the Code, which you can set on the "best" method
+                               // Note that variables used in the inner class from this part of the code must be "final", see "CALL_TIMEOUT"
+                               String rv = helloClient.best(new Retryable<String>() {
+                                       @Override
+                                       public String code(Rcli<?> client) throws CadiException, ConnectException, APIException {
+                                               Future<String> future = client.read("hello","text/plain");
+                                               // The "future" calling method allows you to do other processing, such as call more than one backend
+                                               // client before picking up the result
+                                               // If "get" matches the HTTP Code for the method (i.e. read HTTP Return value is 200), then 
+                                               if(future.get(CALL_TIMEOUT)) {
+                                                       // Client Returned expected value
+                                                       return future.value;
+                                               } else {
+                                                       throw new APIException(future.code()  + future.body());
+                                               }                                       
+                                       }
+                               });
+                               
+                               // You want to do something with returned value.  Here, we say "hello"
+                               System.out.printf("\nPositive Response from Hello: %s\n",rv);
+                               
+                               
+                               //////////////////////////////////////////////////////////////////////
+                               // Scenario 2:
+                               // As a Service, read Introspection information as proof of Authenticated Authorization
+                               //////////////////////////////////////////////////////////////////////
+                               // CADI Framework (i.e. CadiFilter) works with the Introspection to drive the J2EE interfaces (
+                               // i.e. if(isUserInRole("ns.perm|instance|action")) {...
+                               //
+                               // Here, however, is a way to introspect via Java
+                               //
+                               // now, call Introspect (making sure right URLs are set in properties)
+                               // We need a Different Introspect TokenClient, because different Endpoint (and usually different Services)
+                               TokenClient tci = tcf.newClient(tokenIntrospectURL);
+                               tci.client_creds(client_id, client_secret);
+                               Result<Introspect> is = tci.introspect(token.getAccessToken());
+                               if(is.isOK()) {
+                                       // Note that AAF will add JSON set of Permissions as part of "Content:", legitimate extension of OAuth Structure
+                                       print(is.value); // do something with Introspect Object
+                               } else {
+                                       access.printf(Level.ERROR, "Unable to introspect OAuth Token %s: %d %s\n",
+                                                       token.getAccessToken(),rtt.code,rtt.error);
+                               }
+                       } else {
+                               access.printf(Level.ERROR, "Unable to obtain OAuth Token: %d %s\n",rtt.code,rtt.error);
+                       }
+                       
+               } catch (CadiException | LocatorException | APIException | IOException e) {
+                       e.printStackTrace();
+               }
+       }
+       
+       /////////////////////////////////////////////////////////////
+       // Examples of Object Access
+       /////////////////////////////////////////////////////////////
+       private static void print(Token t) {
+               GregorianCalendar exp_date = new GregorianCalendar();
+               exp_date.add(GregorianCalendar.SECOND, t.getExpiresIn());
+               System.out.printf("Access Token\n\tToken:\t\t%s\n\tToken Type:\t%s\n\tExpires In:\t%d (%s)\n\tScope:\t\t%s\n\tRefresh Token:\t%s\n",
+               t.getAccessToken(),
+               t.getTokenType(),
+               t.getExpiresIn(),
+               Chrono.timeStamp(new Date(System.currentTimeMillis()+(t.getExpiresIn()*1000))),
+               t.getScope(),
+               t.getRefreshToken());
+       }
+       
+       private static void print(Introspect ti) {
+               if(ti==null || ti.getClientId()==null) {
+                       System.out.println("Empty Introspect");
+                       return;
+               }
+               Date exp = new Date(ti.getExp()*1000); // seconds
+               System.out.printf("Introspect\n"
+                               + "\tAccessToken:\t%s\n"
+                               + "\tClient-id:\t%s\n"
+                               + "\tClient Type:\t%s\n"
+                               + "\tActive:  \t%s\n"
+                               + "\tUserName:\t%s\n"
+                               + "\tExpires: \t%d (%s)\n"
+                               + "\tScope:\t\t%s\n"
+                               + "\tContent:\t%s\n",
+               ti.getAccessToken(),
+               ti.getClientId(),
+               ti.getClientType(),
+               ti.isActive()?Boolean.TRUE.toString():Boolean.FALSE.toString(),
+               ti.getUsername(),
+               ti.getExp(),
+               Chrono.timeStamp(exp),
+               ti.getScope(),
+               ti.getContent()==null?"":ti.getContent());
+               
+               System.out.println();
+       }
+
+}