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authorInstrumental <jonathan.gathman@att.com>2018-07-23 16:35:19 -0500
committerInstrumental <jonathan.gathman@att.com>2018-07-23 16:36:17 -0500
commit647c1c3a8b370cf4fe2dea4160711d5a2f2ef05f (patch)
treec54863b14aa83073ed1d70173b904b1b9f005548 /docs/sections/installation/sample.rst
parent5b37375d4f4e3764e10b813829881ae7217403f0 (diff)
Developer Doc and Video
Issue-ID: AAF-361 Change-Id: I14f559a122df892733e2c94c2aed158d56ef518f Signed-off-by: Instrumental <jonathan.gathman@att.com>
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-.. This work is licensed under a Creative Commons Attribution 4.0 International License.
-.. http://creativecommons.org/licenses/by/4.0
-.. Copyright © 2017 AT&T Intellectual Property. All rights reserved.
-
-AAF From Source Code
-====================
-
-Example Source Code
--------------------
-Note the FULL class is available in the authz repo, cadi_aaf/org/onap/aaf/client/sample/Sample.java
-
-.. code-block:: java
-
-
- /**
- * ============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.client.sample;
-
- import java.io.IOException;
- import java.security.Principal;
- import java.util.ArrayList;
- import java.util.List;
-
- import org.onap.aaf.cadi.Access;
- import org.onap.aaf.cadi.CadiException;
- import org.onap.aaf.cadi.LocatorException;
- import org.onap.aaf.cadi.Permission;
- import org.onap.aaf.cadi.PropAccess;
- import org.onap.aaf.cadi.aaf.AAFPermission;
- import org.onap.aaf.cadi.aaf.v2_0.AAFAuthn;
- import org.onap.aaf.cadi.aaf.v2_0.AAFConHttp;
- import org.onap.aaf.cadi.aaf.v2_0.AAFLurPerm;
- import org.onap.aaf.cadi.principal.UnAuthPrincipal;
- import org.onap.aaf.cadi.util.Split;
- import org.onap.aaf.misc.env.APIException;
-
- public class Sample {
- private static Sample singleton;
- final private AAFConHttp aafcon;
- final private AAFLurPerm aafLur;
- final private AAFAuthn<?> aafAuthn;
-
- /**
- * This method is to emphasize the importance of not creating the AAFObjects over and over again.
- * @return
- */
- public static Sample singleton() {
- return singleton;
- }
-
- public Sample(Access myAccess) throws APIException, CadiException, LocatorException {
- aafcon = new AAFConHttp(myAccess);
- aafLur = aafcon.newLur();
- aafAuthn = aafcon.newAuthn(aafLur);
- }
-
- /**
- * Checking credentials outside of HTTP/S presents fewer options initially. There is not, for instance,
- * the option of using 2-way TLS HTTP/S.
- *
- * However, Password Checks are still useful, and, if the Client Certificate could be obtained in other ways, the
- * Interface can be expanded in the future to include Certificates.
- * @throws CadiException
- * @throws IOException
- */
- public Principal checkUserPass(String fqi, String pass) throws IOException, CadiException {
- String ok = aafAuthn.validate(fqi, pass);
- if(ok==null) {
- System.out.println("Success!");
- /*
- UnAuthPrincipal means that it is not coming from the official Authorization chain.
- This is useful for Security Plugins which don't use Principal as the tie between
- Authentication and Authorization
-
- You can also use this if you want to check Authorization without actually Authenticating, as may
- be the case with certain Onboarding Tooling.
- */
- return new UnAuthPrincipal(fqi);
- } else {
- System.out.printf("Failure: %s\n",ok);
- return null;
- }
-
-
- }
-
- /**
- * An example of looking for One Permission within all the permissions user has. CADI does cache these,
- * so the call is not expensive.
- *
- * Note: If you are using "J2EE" (Servlets), CADI ties this function to the method:
- * HttpServletRequest.isUserInRole(String user)
- *
- * The J2EE user can expect that his servlet will NOT be called without a Validated Principal, and that
- * "isUserInRole()" will validate if the user has the Permission designated.
- *
- */
- public boolean oneAuthorization(Principal fqi, Permission p) {
- return aafLur.fish(fqi, p);
- }
-
- public List<Permission> allAuthorization(Principal fqi) {
- List<Permission> pond = new ArrayList<Permission>();
- aafLur.fishAll(fqi, pond);
- return pond;
- }
-
-
- public static void main(String[] args) {
- // Note: you can pick up Properties from Command line as well as VM Properties
- // Code "user_fqi=... user_pass=..." (where user_pass can be encrypted) in the command line for this sample.
- // Also code "perm=<perm type>|<instance>|<action>" to test a specific Permission
- PropAccess myAccess = new PropAccess(args);
- try {
- /*
- * NOTE: Do NOT CREATE new aafcon, aafLur and aafAuthn each transaction. They are built to be
- * reused!
- *
- * This is why this code demonstrates "Sample" as a singleton.
- */
- singleton = new Sample(myAccess);
- String user = myAccess.getProperty("user_fqi");
- String pass= myAccess.getProperty("user_pass");
-
- if(user==null || pass==null) {
- System.err.println("This Sample class requires properties user_fqi and user_pass");
- } else {
- pass = myAccess.decrypt(pass, false); // Note, with "false", decryption will only happen if starts with "enc:"
- // See the CODE for Java Methods used
- Principal fqi = Sample.singleton().checkUserPass(user,pass);
-
- if(fqi==null) {
- System.out.println("OK, normally, you would cease processing for an "
- + "unauthenticated user, but for the purpose of Sample, we'll keep going.\n");
- fqi=new UnAuthPrincipal(user);
- }
-
- // AGAIN, NOTE: If your client fails Authentication, the right behavior 99.9%
- // of the time is to drop the transaction. We continue for sample only.
-
- // note, default String for perm
- String permS = myAccess.getProperty("perm","org.osaaf.aaf.access|*|read");
- String[] permA = Split.splitTrim('|', permS);
- if(permA.length>2) {
- final Permission perm = new AAFPermission(permA[0],permA[1],permA[2]);
- // See the CODE for Java Methods used
- if(singleton().oneAuthorization(fqi, perm)) {
- System.out.printf("Success: %s has %s\n",fqi.getName(),permS);
- } else {
- System.out.printf("%s does NOT have %s\n",fqi.getName(),permS);
- }
- }
-
-
- // Another form, you can get ALL permissions in a list
- // See the CODE for Java Methods used
- List<Permission> permL = singleton().allAuthorization(fqi);
- if(permL.size()==0) {
- System.out.printf("User %s has no Permissions THAT THE CALLER CAN SEE",fqi.getName());
- } else {
- System.out.print("Success:\n");
- for(Permission p : permL) {
- System.out.printf("\t%s has %s\n",fqi.getName(),p.getKey());
- }
- }
- }
- } catch (APIException | CadiException | LocatorException | IOException e) {
- e.printStackTrace();
- }
- }
- } \ No newline at end of file