cadi/core/src/main/java/org/onap/aaf/cadi/filter/CadiHTTPManip.java

   1 /**
   2  * ============LICENSE_START====================================================
   3  * org.onap.aaf
   4  * ===========================================================================
   5  * Copyright (c) 2018 AT&T Intellectual Property. All rights reserved.
   6  * ===========================================================================
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  * ============LICENSE_END====================================================
  19  *
  20  */
  21
  22 package org.onap.aaf.cadi.filter;
  23
  24 import java.io.IOException;
  25 import java.net.HttpURLConnection;
  26
  27 import javax.servlet.http.HttpServletRequest;
  28 import javax.servlet.http.HttpServletResponse;
  29
  30 import org.onap.aaf.cadi.Access;
  31 import org.onap.aaf.cadi.CadiException;
  32 import org.onap.aaf.cadi.CadiWrap;
  33 import org.onap.aaf.cadi.Connector;
  34 import org.onap.aaf.cadi.CredVal;
  35 import org.onap.aaf.cadi.Lur;
  36 import org.onap.aaf.cadi.Taf;
  37 import org.onap.aaf.cadi.TrustChecker;
  38 import org.onap.aaf.cadi.Access.Level;
  39 import org.onap.aaf.cadi.config.Config;
  40 import org.onap.aaf.cadi.config.SecurityInfoC;
  41 import org.onap.aaf.cadi.lur.EpiLur;
  42 import org.onap.aaf.cadi.taf.HttpTaf;
  43 import org.onap.aaf.cadi.taf.TafResp;
  44 import org.onap.aaf.cadi.util.UserChainManip;
  45
  46 /**
  47  * Encapsulate common HTTP Manipulation Behavior.  It will appropriately set
  48  * HTTPServletResponse for Redirect or Forbidden, as needed.
  49  *
  50  * Further, this is useful, because it avoids multiple creates of Connections, where some Filters
  51  * are created and destroyed regularly.
  52  *
  53  * @author Jonathan
  54  *
  55  */
  56 public class CadiHTTPManip {
  57         private static final String ACCESS_CADI_CONTROL = ".access|cadi|control";
  58         private static final String METH = "OPTIONS";
  59         private static final String CADI = "/cadi/";
  60         private static final String CADI_CACHE_PRINT = "/cadi/cache/print";
  61         private static final String CADI_CACHE_CLEAR = "/cadi/cache/clear";
  62         private static final String CADI_LOG_SET = "/cadi/log/set/";
  63         private static final Object LOCK = new Object();
  64         private Access access;
  65         private HttpTaf taf;
  66         private CredVal up;
  67         private Lur lur;
  68         private String thisPerm,companyPerm,aaf_id;
  69
  70         public static final Object[] noAdditional = new Object[0]; // CadiFilter can be created each call in some systems
  71
  72
  73         public CadiHTTPManip(Access access, Connector con, TrustChecker tc, Object ... additionalTafLurs) throws CadiException {
  74                 synchronized(LOCK) {
  75                         this.access = access;
  76 //                      Get getter = new AccessGetter(access);
  77                         Config.setDefaultRealm(access);
  78
  79                         aaf_id = access.getProperty(Config.CADI_ALIAS,access.getProperty(Config.AAF_APPID, null));
  80                         if(aaf_id==null) {
  81                                 access.printf(Level.INIT, "%s is not set. %s can be used instead",Config.AAF_APPID,Config.CADI_ALIAS);
  82                         } else {
  83                                 access.printf(Level.INIT, "%s is set to %s",Config.AAF_APPID,aaf_id);
  84                         }
  85                         String ns = aaf_id==null?null:UserChainManip.idToNS(aaf_id);
  86                         if(ns!=null) {
  87                                 thisPerm = ns+ACCESS_CADI_CONTROL;
  88                                 int dot = ns.indexOf('.');
  89                                 if(dot>=0) {
  90                                         int dot2=ns.indexOf('.',dot+1);
  91                                         if(dot2<0) {
  92                                                 dot2=dot;
  93                                         }
  94                                         companyPerm = ns.substring(0, dot2)+ACCESS_CADI_CONTROL;
  95                                 } else {
  96                                         companyPerm = "com"+ACCESS_CADI_CONTROL;
  97                                 }
  98                         } else {
  99                                 thisPerm = companyPerm = "com"+ACCESS_CADI_CONTROL;
 100                         }
 101                         SecurityInfoC<HttpURLConnection> si;
 102                         si = SecurityInfoC.instance(access, HttpURLConnection.class);
 103                         lur = Config.configLur(si, con, additionalTafLurs);
 104
 105                         tc.setLur(lur);
 106                         if(lur instanceof EpiLur) {
 107                                 up = ((EpiLur)lur).getUserPassImpl();
 108                         } else if(lur instanceof CredVal) {
 109                                 up = (CredVal)lur;
 110                         } else {
 111                                 up = null;
 112                         }
 113                         taf = Config.configHttpTaf(con,si, tc, up, lur, additionalTafLurs);
 114                 }
 115         }
 116
 117         public TafResp validate(HttpServletRequest hreq, HttpServletResponse hresp, Object state) throws IOException {
 118                 TafResp tresp = taf.validate(Taf.LifeForm.LFN, hreq, hresp);
 119                 switch(tresp.isAuthenticated()) {
 120                         case IS_AUTHENTICATED:
 121                                 access.printf(Level.INFO,"Authenticated: %s from %s:%d",
 122                                                 tresp.desc(), hreq.getRemoteAddr(), hreq.getRemotePort());
 123                                 break;
 124                         case TRY_AUTHENTICATING:
 125                                 switch (tresp.authenticate()) {
 126                                         case IS_AUTHENTICATED:
 127                                                 access.printf(Level.INFO,"Authenticated: %s from %s:%d",
 128                                                                 tresp.desc(), hreq.getRemoteAddr(), hreq.getRemotePort());
 129                                                 break;
 130                                         case HTTP_REDIRECT_INVOKED:
 131                                                 access.log(Level.INFO,"Authenticating via redirection: ", tresp.desc());
 132                                                 break;
 133                                         case NO_FURTHER_PROCESSING:
 134                                                 access.printf(Level.AUDIT,"Authentication Failure: %s from %s:%d"
 135                                                                 , tresp.desc(), hreq.getRemoteAddr(), hreq.getRemotePort());
 136                                                 hresp.sendError(403, tresp.desc()); // Forbidden
 137                                                 break;
 138
 139                                         default:
 140                                                 access.printf(Level.AUDIT,"No TAF will authorize for request from %s:%d"
 141                                                                 , hreq.getRemoteAddr(), hreq.getRemotePort());
 142                                                 hresp.sendError(403, tresp.desc()); // Forbidden
 143                                 }
 144                                 break;
 145                         case NO_FURTHER_PROCESSING:
 146                                 access.printf(Level.AUDIT,"Authentication Failure: %s from %s:%d",
 147                                                 tresp.desc(), hreq.getRemoteAddr(), hreq.getRemotePort());
 148                                 hresp.sendError(403, "Access Denied"); // FORBIDDEN
 149                                 break;
 150                         default:
 151                                 access.printf(Level.AUDIT,"No TAF will authorize for request from %s:%d"
 152                                                 , hreq.getRemoteAddr(), hreq.getRemotePort());
 153                                 hresp.sendError(403, "Access Denied"); // FORBIDDEN
 154                 }
 155                 return tresp;
 156         }
 157
 158         public boolean notCadi(CadiWrap req, HttpServletResponse resp) {
 159
 160                 String pathInfo = req.getPathInfo();
 161                 if(METH.equalsIgnoreCase(req.getMethod()) && pathInfo!=null && pathInfo.contains(CADI)) {
 162                         if(req.getUser().equals(aaf_id) || req.isUserInRole(thisPerm) || req.isUserInRole(companyPerm)) {
 163                                 try {
 164                                         if(pathInfo.contains(CADI_CACHE_PRINT)) {
 165                                                 resp.getOutputStream().println(lur.toString());
 166                                                 resp.setStatus(200);
 167                                                 return false;
 168                                         } else if(pathInfo.contains(CADI_CACHE_CLEAR)) {
 169                                                 StringBuilder report = new StringBuilder();
 170                                                 lur.clear(req.getUserPrincipal(), report);
 171                                                 resp.getOutputStream().println(report.toString());
 172                                                 resp.setStatus(200);
 173                                                 return false;
 174                                         } else if(pathInfo.contains(CADI_LOG_SET))  {
 175                                                 Level l;
 176                                                 int slash = pathInfo.lastIndexOf('/');
 177                                                 String level = pathInfo.substring(slash+1);
 178                                                 try {
 179                                                         l = Level.valueOf(level);
 180                                                         access.printf(Level.AUDIT, "%s has set CADI Log Level to '%s'",req.getUser(),l.name());
 181                                                         access.setLogLevel(l);
 182                                                 } catch (IllegalArgumentException e) {
 183                                                         access.printf(Level.AUDIT, "'%s' is not a valid CADI Log Level",level);
 184                                                 }
 185                                                 return false;
 186                                         }
 187                                 } catch (IOException e) {
 188                                         access.log(e);
 189                                 }
 190                         }
 191                 }
 192                 return true;
 193         }
 194
 195         public Lur getLur() {
 196                 return lur;
 197         }
 198
 199         public void destroy() {
 200                 access.log(Level.INFO,"CadiHttpChecker destroyed.");
 201                 if(lur!=null) {
 202                         lur.destroy();
 203                         lur=null;
 204                 }
 205         }
 206
 207         public Access getAccess() {
 208                 return access;
 209         }
 210
 211 }