From 62c4eb45e157d502463d797c1353802ca8e1e307 Mon Sep 17 00:00:00 2001 From: sg481n Date: Fri, 25 Aug 2017 01:57:24 -0400 Subject: Update project structure for aaf/cadi Update project structure from com.att to org.onap and add distribution management and staging plugin. Issue-id: AAF-22 Change-Id: Idf2b591139e38921ad28782a51486714a05dee92 Signed-off-by: sg481n --- .../java/org/onap/aaf/cadi/filter/PathFilter.java | 183 +++++++++++++++++++++ 1 file changed, 183 insertions(+) create mode 100644 core/src/main/java/org/onap/aaf/cadi/filter/PathFilter.java (limited to 'core/src/main/java/org/onap/aaf/cadi/filter/PathFilter.java') diff --git a/core/src/main/java/org/onap/aaf/cadi/filter/PathFilter.java b/core/src/main/java/org/onap/aaf/cadi/filter/PathFilter.java new file mode 100644 index 0000000..87e3c78 --- /dev/null +++ b/core/src/main/java/org/onap/aaf/cadi/filter/PathFilter.java @@ -0,0 +1,183 @@ +/******************************************************************************* + * ============LICENSE_START==================================================== + * * org.onap.aaf + * * =========================================================================== + * * Copyright © 2017 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==================================================== + * * + * * ECOMP is a trademark and service mark of AT&T Intellectual Property. + * * + ******************************************************************************/ +package org.onap.aaf.cadi.filter; + +import java.io.IOException; + +import javax.servlet.Filter; +import javax.servlet.FilterChain; +import javax.servlet.FilterConfig; +import javax.servlet.ServletContext; +import javax.servlet.ServletException; +import javax.servlet.ServletRequest; +import javax.servlet.ServletResponse; +import javax.servlet.http.HttpServletRequest; +import javax.servlet.http.HttpServletResponse; + +import org.onap.aaf.cadi.Access; +import org.onap.aaf.cadi.Access.Level; +import org.onap.aaf.cadi.config.Config; + +/** + * PathFilter + * + * This class implements Servlet Filter, and uses AAF to validate access to a Path. + * + * This class can be used in a standard J2EE Servlet manner. + * + * + */ +public class PathFilter implements Filter { + private ServletContext context; + private String aaf_type; + private String not_authorized_msg; + private final Log log; + + /** + * Construct a viable Filter for installing in Container WEB.XML, etc. + * + */ + public PathFilter() { + log = new Log() { + public void info(String ... msg) { + context.log(build("INFO:",msg)); + } + public void audit(String ... msg) { + context.log(build("AUDIT:",msg)); + } + private String build(String type, String []msg) { + StringBuilder sb = new StringBuilder(type); + for(String s : msg) { + sb.append(' '); + sb.append(s); + } + return sb.toString(); + } + + }; + } + + /** + * Filter that can be constructed within Java + * @param access + */ + public PathFilter(final Access access) { + log = new Log() { + public void info(String ... msg) { + access.log(Level.INFO, (Object[])msg); + } + public void audit(String ... msg) { + access.log(Level.AUDIT, (Object[])msg); + } + }; + } + + /** + * Init + * + * Standard Filter "init" call with FilterConfig to obtain properties. POJOs can construct a + * FilterConfig with the mechanism of their choice, and standard J2EE Servlet engines utilize this + * mechanism already. + */ + public void init(FilterConfig filterConfig) throws ServletException { + // need the Context for Logging, instantiating ClassLoader, etc + context = filterConfig.getServletContext(); + StringBuilder sb = new StringBuilder(); + StringBuilder err = new StringBuilder(); + Object attr = context.getAttribute(Config.PATHFILTER_NS); + if(attr==null) { + err.append("PathFilter - pathfilter_ns is not set"); + } else { + sb.append(attr.toString()); + } + + attr = context.getAttribute(Config.PATHFILTER_STACK); + if(attr==null) { + log.info("PathFilter - No pathfilter_stack set, ignoring"); + } else { + sb.append('.'); + sb.append(attr.toString()); + } + + attr = context.getAttribute(Config.PATHFILTER_URLPATTERN); + if(attr==null) { + log.info("PathFilter - No pathfilter_urlpattern set, defaulting to 'urlpattern'"); + sb.append(".urlpattern"); + } else { + sb.append('.'); + sb.append(attr.toString()); + } + + log.info("PathFilter - AAF Permission Type is",sb.toString()); + + sb.append('|'); + + aaf_type = sb.toString(); + + attr = context.getAttribute(Config.PATHFILTER_NOT_AUTHORIZED_MSG); + if(attr==null) { + not_authorized_msg = "Forbidden - Not Authorized to access this Path"; + } else { + not_authorized_msg = attr.toString(); + } + + if(err.length()>0) { + throw new ServletException(err.toString()); + } + } + + private interface Log { + public void info(String ... msg); + public void audit(String ... msg); + } + + /** + * doFilter + * + * This is the standard J2EE invocation. Analyze the request, modify response as necessary, and + * only call the next item in the filterChain if request is suitably Authenticated. + */ + //TODO Always validate changes against Tomcat AbsCadiValve and Jaspi CadiSAM functions + public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException { + HttpServletRequest hreq = (HttpServletRequest)request; + HttpServletResponse hresp = (HttpServletResponse)response; + String perm = aaf_type+hreq.getPathInfo()+'|'+hreq.getMethod(); + if(hreq.isUserInRole(perm)) { + chain.doFilter(request, response); + } else { + log.audit("PathFilter has denied",hreq.getUserPrincipal().getName(),"access to",perm); + hresp.sendError(403,not_authorized_msg); + } + } + + /** + * Containers call "destroy" when time to cleanup + */ + public void destroy() { + log.info("PathFilter destroyed."); + } + + + +} + -- cgit 1.2.3-korg