diff options
Diffstat (limited to 'docs/AAF-API-Documentation/Connecting-to-AAF.rst')
| -rw-r--r-- | docs/AAF-API-Documentation/Connecting-to-AAF.rst | 359 |
1 files changed, 0 insertions, 359 deletions
diff --git a/docs/AAF-API-Documentation/Connecting-to-AAF.rst b/docs/AAF-API-Documentation/Connecting-to-AAF.rst deleted file mode 100644 index d2112eee..00000000 --- a/docs/AAF-API-Documentation/Connecting-to-AAF.rst +++ /dev/null @@ -1,359 +0,0 @@ -================= -Connecting to AAF -================= - -Methods to Connect -================== - -- If you are a Servlet in a Container, use CADI Framework with AAF Plugin. It's very easy, and includes BasicAuth for Services. -- Java Technologies -- Technologies using Servlet Filters -- DME2 (and other Servlet Containers) can use Servlet Filters -- Any WebApp can plug in CADI as a Servlet Filter -- Jetty can attach a Servlet Filter with Code, or as WebApp -- Tomcat 7 has a "Valve" plugin, which is similar and supported -- Use the AAFLur Code directly (shown) -- All Java Technologies utilize Configuration to set what Security elements are required -- example: Global Login can be turned on/off, AAF Client needs information to connect to AAF Service -- There are several specialty cases, which AAF can work with, including embedding all properties in a Web.xml, but the essentials needed are: -- CADI Jars -- cadi.properties file (configured the same for all technologies) -- Encrypt passwords with included CADI technology, so that there are no Clear Text Passwords in Config Files (ASPR) -- See CADI Deployment on how to perform this with several different technologies. -- AAF Restfully (see RESTFul APIS) - -IMPORTANT: If Direct RESTFul API is used, then it is the Client's responsibility to Cache and avoid making an AAF Service Calls too often -Example: A Tool like Cassandra will ask for Authentication hundreds of times a second for the same identity during a transaction. Calling the AAF Service for each would be slow for the client, and wasteful of Network and AAF Service Capacities. -Rogue Clients can and will be denied access to AAF. - - -J2EE (Servlet Filter) Method -============================ - -1. Per J2EE design, the Filter will deny any unauthenticated HTTP/S call; the Servlet will not even be invoked. -a. Therefore, the Servlet can depend on any transaction making it to their code set is Authenticated. -b. Identity can be viewed based on the HttpServletRequest Object (request.getUserPrincipal() ) -2. Per J2EE design, AAF Filter overloads the HttpServletRequest for a String related to "Role". (request.isUserInRole("...") ) -a. For AAF, do not put in "Role", but the three parts of requested "Permission", separated by "|", i.e. "org.onap.aaf.myapp.myperm|myInstance|myAction". -3. NOT REQUIRED: An added benefit, but not required, is a JASPI like interface, where you can add an Annotation to your Servlet. -a. When used, no transaction will come into your code if the listed Permissions are not Granted to the Incoming Transaction. -b. This might be helpful for covering separate Management Servlet implementations. - - - -Servlet Code Snippet -========================= - - .. code:: bash - - public void service(ServletRequest req, ServletResponse res) throws ServletException, IOException { - HttpServletRequest request; - try { - request = (HttpServletRequest)req; - } catch (ClassCastException e) { - throw new ServletException("Only serving HTTP today",e); - } - - // Note: CADI is OVERLOADING the concept of "isUserInRole".. You need to think "doesUserHavePermssion()" - // Assume that you have CREATED and GRANTED An AAF Permission in YOUR Namespace - // Example Permission: "org.onap.aaf.myapp.myPerm * write" - - // Think in your head, "Does user have write permission on any instance of org.onap.aaf.myapp.myPerm - if(request.isUserInRole("org.onap.aaf.myapp.myPerm|*|write")) { - // *** Do something here that someone with "myPerm write" permissions is allowed to do *** - } else { - // *** Do something reasonable if user is denied, like an Error Message *** - } - - } - -Here is a working TestServlet, where you can play with different Permissions that you own on the URL, i.e.: -https://<your machine:port>/caditest/testme?PERM=org.onap.aaf.myapp.myPerm|*|write - -Sample Servlet (Working example) -================================ - - .. code:: java - - package org.onap.aaf.cadi.debug; - import java.io.FileInputStream; - import java.io.IOException; - import java.net.InetAddress; - import java.net.UnknownHostException; - import java.util.HashMap; - import java.util.Map; - import java.util.Map.Entry; - import java.util.Properties; - import javax.servlet.Servlet; - import javax.servlet.ServletConfig; - import javax.servlet.ServletException; - import javax.servlet.ServletRequest; - import javax.servlet.ServletResponse; - import javax.servlet.http.HttpServletRequest; - import org.eclipse.jetty.server.Server; - import org.eclipse.jetty.server.ServerConnector; - import org.eclipse.jetty.server.handler.ContextHandler; - import org.eclipse.jetty.servlet.FilterHolder; - import org.eclipse.jetty.servlet.FilterMapping; - import org.eclipse.jetty.servlet.ServletContextHandler; - import org.eclipse.jetty.servlet.ServletHandler; - import org.onap.aaf.cadi.filter.CadiFilter; - import org.onap.aaf.cadi.filter.RolesAllowed; - import org.onap.aaf.cadi.jetty.MiniJASPIWrap; - - public class CSPServletTest { - public static void main(String[] args) { - // Go ahead and print Test reports in cadi-core first - Test.main(args); - String hostname=null; - try { - hostname = InetAddress.getLocalHost().getHostName(); - } catch (UnknownHostException e) { - e.printStackTrace(); - System.exit(1); - } - Properties props = new Properties(); - Map<String,String> map = new HashMap<String,String>(); - try { - FileInputStream fis = new FileInputStream("run/cadi.properties"); - try { - props.load(fis); - String key,value; - for( Entry<Object, Object> es : props.entrySet()) { - key = es.getKey().toString(); - value = es.getValue().toString(); - map.put(key,value); - if(key.startsWith("AFT_") || key.startsWith("DME2")) { - System.setProperty(key,value); - } - } - } finally { - fis.close(); - } - } catch(IOException e) { - System.err.println("Cannot load run/cadi.properties"); - System.exit(1); - } - String portStr = System.getProperty("port"); - int port = portStr==null?8080:Integer.parseInt(portStr); - try { - // Add ServletHolder(s) and Filter(s) to a ServletHandler - ServletHandler shand = new ServletHandler(); - - FilterHolder cfh = new FilterHolder(CadiFilter.class); - cfh.setInitParameters(map); - - shand.addFilterWithMapping(cfh, "/*", FilterMapping.ALL); - shand.addServletWithMapping(new MiniJASPIWrap(MyServlet.class),"/*"); - // call initialize after start - - ContextHandler ch = new ServletContextHandler(); - ch.setContextPath("/caditest"); - ch.setHandler(shand); - for( Entry<Object,Object> es : props.entrySet()) { - ch.getInitParams().put(es.getKey().toString(), es.getValue().toString()); - } - //ch.setErrorHandler(new MyErrorHandler()); - - // Create Server and Add Context Handler - final Server server = new Server(); - ServerConnector http = new ServerConnector(server); - http.setPort(port); - server.addConnector(http); - server.setHandler(ch); - - // Start - server.start(); - shand.initialize(); - - System.out.println("To test, put http://"+ hostname + ':' + port + "/caditest/testme in a browser or 'curl'"); - // if we were really a server, we'd block the main thread with this join... - // server.join(); - // But... since we're a test service, we'll block on StdIn - System.out.println("Press <Return> to end service..."); - System.in.read(); - server.stop(); - System.out.println("All done, have a good day!"); - } catch (Exception e) { - e.printStackTrace(); - System.exit(1); - } - } - @RolesAllowed({"org.onap.aaf.myapp.myPerm|myInstance|myAction"}) - public static class MyServlet implements Servlet { - private ServletConfig servletConfig; - - public void init(ServletConfig config) throws ServletException { - servletConfig = config; - } - - public ServletConfig getServletConfig() { - return servletConfig; - } - - public void service(ServletRequest req, ServletResponse res) throws ServletException, IOException { - HttpServletRequest request; - try { - request = (HttpServletRequest)req; - } catch (ClassCastException e) { - throw new ServletException("Only serving HTTP today",e); - } - - res.getOutputStream().print("<html><header><title>CSP Servlet Test</title></header><body><h1>You're good to go!</h1><pre>" + - request.getUserPrincipal()); - - String perm = request.getParameter("PERM"); - if(perm!=null) - if(request.isUserInRole(perm)) { - if(perm.indexOf('|')<0) - res.getOutputStream().print("\nCongrats!, You are in Role " + perm); - else - res.getOutputStream().print("\nCongrats!, You have Permission " + perm); - } else { - if(perm.indexOf('|')<0) - res.getOutputStream().print("\nSorry, you are NOT in Role " + perm); - else - res.getOutputStream().print("\nSorry, you do NOT have Permission " + perm); - } - - res.getOutputStream().print("</pre></body></html>"); - - } - - public String getServletInfo() { - return "MyServlet"; - } - - public void destroy() { - } - } - } - -Java Direct (AAFLur) Method -=========================== -The AAFLur is the exact component used within all the Plugins mentioned above. It is written so that it can be called standalone as well, see the Example as follows -package org.onap.aaf.example; - - .. code:: bash - - import java.util.ArrayList; - import java.util.List; - import java.util.Properties; - - import org.onap.aaf.cadi.Access; - import org.onap.aaf.cadi.Permission; - import org.onap.aaf.cadi.aaf.v2_0.AAFAuthn; - import org.onap.aaf.cadi.aaf.v2_0.AAFCon; - import org.onap.aaf.cadi.aaf.v2_0.AAFLurPerm; - import org.onap.aaf.cadi.config.Config; - import org.onap.aaf.cadi.lur.aaf.AAFPermission; - import org.onap.aaf.cadi.lur.aaf.test.TestAccess; - - public class ExamplePerm2_0 { - public static void main(String args[]) { - // Normally, these should be set in environment. Setting here for clarity - Properties props = System.getProperties(); - props.setProperty("AFT_LATITUDE", "32.780140"); - props.setProperty("AFT_LONGITUDE", "-96.800451"); - props.setProperty("AFT_ENVIRONMENT", "AFTUAT"); - props.setProperty(Config.AAF_URL, - "https://DME2RESOLVE/service=org.onap.aaf.authz.AuthorizationService/version=2.0/envContext=TEST/routeOffer=BAU_SE" - ); - props.setProperty(Config.AAF_USER_EXPIRES,Integer.toString(5*60000)); // 5 minutes for found items to live in cache - props.setProperty(Config.AAF_HIGH_COUNT,Integer.toString(400)); // Maximum number of items in Cache); - props.setProperty(Config.CADI_KEYFILE,"keyfile"); //Note: Be sure to generate with java -jar <cadi_path>/lib/cadi-core*.jar keygen keyfile - // props.setProperty("DME2_EP_REGISTRY_CLASS","DME2FS"); - // props.setProperty("AFT_DME2_EP_REGISTRY_FS_DIR","../../authz/dme2reg"); - - - // Link or reuse to your Logging mechanism - Access myAccess = new TestAccess(); // - - // - try { - AAFCon<?> con = new AAFConDME2(myAccess); - - // AAFLur has pool of DME clients as needed, and Caches Client lookups - AAFLurPerm aafLur = con.newLur(); - // Note: If you need both Authn and Authz construct the following: - AAFAuthn<?> aafAuthn = con.newAuthn(aafLur); - - // Do not set Mech ID until after you construct AAFAuthn, - // because we initiate "401" info to determine the Realm of - // of the service we're after. - con.basicAuth("xxxx@aaf.abc.com", "XXXXXX"); - - try { - - // Normally, you obtain Principal from Authentication System. - // For J2EE, you can ask the HttpServletRequest for getUserPrincipal() - // If you use CADI as Authenticator, it will get you these Principals from - // CSP or BasicAuth mechanisms. - String id = "xxxx@aaf.abc.com"; //"cluster_admin@gridcore.abc.com"; - - // If Validate succeeds, you will get a Null, otherwise, you will a String for the reason. - String ok = aafAuthn.validate(id, "XXXXXX"); - if(ok!=null)System.out.println(ok); - - ok = aafAuthn.validate(id, "wrongPass"); - if(ok!=null)System.out.println(ok); - - - // AAF Style permissions are in the form - // Type, Instance, Action - AAFPermission perm = new AAFPermission("org.onap.aaf.grid.core.coh",":dev_cluster", "WRITE"); - - // Now you can ask the LUR (Local Representative of the User Repository about Authorization - // With CADI, in J2EE, you can call isUserInRole("org.onap.aaf.mygroup|mytype|write") on the Request Object - // instead of creating your own LUR - System.out.println("Does " + id + " have " + perm); - if(aafLur.fish(id, perm)) { - System.out.println("Yes, you have permission"); - } else { - System.out.println("No, you don't have permission"); - } - - System.out.println("Does Bogus have " + perm); - if(aafLur.fish("Bogus", perm)) { - System.out.println("Yes, you have permission"); - } else { - System.out.println("No, you don't have permission"); - } - - // Or you can all for all the Permissions available - List<Permission> perms = new ArrayList<Permission>(); - - aafLur.fishAll(id,perms); - for(Permission prm : perms) { - System.out.println(prm.getKey()); - } - - // It might be helpful in some cases to clear the User's identity from the Cache - aafLur.remove(id); - } finally { - aafLur.destroy(); - } - } catch (Exception e) { - e.printStackTrace(); - } - - } - } - -There are two current AAF Lurs which you can utilize: -- Org.onap.aaf.cadi.aaf.v2_0.AAFLurPerm is the default, and will fish based on the Three-fold "Permission" standard in AAF -To run this code, you will need from a SWM deployment (org.onap.aaf.cadi:cadi, then soft link to jars needed): -- cadi-core-<version>.jar -- cadi-aaf-<version>-full.jar -or by Maven -<dependency> -<groupId>org.onap.aaf.cadi</groupId> -<artifactId>cadi-aaf</artifactId> -<version>THE_LATEST_VERSION</version> -<classifier>full</classifier> -</dependency> -If you need the Java Client definitions only, - - Also needed are the DME2 Client libraries: -- dme2-<version>.jar -- discovery-clt-<version>.jar |