auth/CmsAuthUtils.java

   1 package org.argeo.cms.auth;
   2
   3 import java.security.Principal;
   4 import java.util.Collection;
   5 import java.util.Set;
   6
   7 import javax.naming.InvalidNameException;
   8 import javax.naming.ldap.LdapName;
   9 import javax.security.auth.Subject;
  10 import javax.security.auth.x500.X500Principal;
  11 import javax.servlet.http.HttpServletRequest;
  12 import javax.servlet.http.HttpSession;
  13
  14 import org.apache.commons.logging.Log;
  15 import org.apache.commons.logging.LogFactory;
  16 //import org.apache.jackrabbit.core.security.AnonymousPrincipal;
  17 //import org.apache.jackrabbit.core.security.SecurityConstants;
  18 //import org.apache.jackrabbit.core.security.principal.AdminPrincipal;
  19 import org.argeo.cms.CmsException;
  20 import org.argeo.cms.internal.auth.ImpliedByPrincipal;
  21 import org.argeo.cms.internal.kernel.WebCmsSessionImpl;
  22 import org.argeo.node.security.AnonymousPrincipal;
  23 import org.argeo.node.security.DataAdminPrincipal;
  24 import org.argeo.node.security.NodeSecurityUtils;
  25 import org.osgi.framework.BundleContext;
  26 import org.osgi.framework.InvalidSyntaxException;
  27 import org.osgi.framework.ServiceReference;
  28 import org.osgi.service.http.HttpContext;
  29 import org.osgi.service.useradmin.Authorization;
  30
  31 class CmsAuthUtils {
  32         private final static Log log = LogFactory.getLog(CmsAuthUtils.class);
  33
  34         /** Shared HTTP request */
  35         final static String SHARED_STATE_HTTP_REQUEST = "org.argeo.cms.auth.http.request";
  36         /** From org.osgi.service.http.HttpContext */
  37         final static String SHARED_STATE_AUTHORIZATION = "org.osgi.service.useradmin.authorization";
  38         /** From com.sun.security.auth.module.*LoginModule */
  39         final static String SHARED_STATE_NAME = "javax.security.auth.login.name";
  40         /** From com.sun.security.auth.module.*LoginModule */
  41         final static String SHARED_STATE_PWD = "javax.security.auth.login.password";
  42
  43         final static String SHARED_STATE_SPNEGO_TOKEN = "org.argeo.cms.auth.spnegoToken";
  44         final static String SHARED_STATE_SPNEGO_OUT_TOKEN = "org.argeo.cms.auth.spnegoOutToken";
  45
  46         final static String HEADER_AUTHORIZATION = "Authorization";
  47         final static String HEADER_WWW_AUTHENTICATE = "WWW-Authenticate";
  48
  49         static void addAuthentication(Subject subject, Authorization authorization) {
  50                 assert subject != null;
  51                 checkSubjectEmpty(subject);
  52                 assert authorization != null;
  53
  54                 // required for display name:
  55                 subject.getPrivateCredentials().add(authorization);
  56
  57                 Set<Principal> principals = subject.getPrincipals();
  58                 try {
  59                         String authName = authorization.getName();
  60
  61                         // determine user's principal
  62                         final LdapName name;
  63                         final Principal userPrincipal;
  64                         if (authName == null) {
  65                                 name = NodeSecurityUtils.ROLE_ANONYMOUS_NAME;
  66                                 userPrincipal = new AnonymousPrincipal();
  67                                 principals.add(userPrincipal);
  68                                 // principals.add(new AnonymousPrincipal());
  69                         } else {
  70                                 name = new LdapName(authName);
  71                                 NodeSecurityUtils.checkUserName(name);
  72                                 userPrincipal = new X500Principal(name.toString());
  73                                 principals.add(userPrincipal);
  74                                 principals.add(new ImpliedByPrincipal(NodeSecurityUtils.ROLE_USER_NAME, userPrincipal));
  75                         }
  76
  77                         // Add roles provided by authorization
  78                         for (String role : authorization.getRoles()) {
  79                                 LdapName roleName = new LdapName(role);
  80                                 if (roleName.equals(name)) {
  81                                         // skip
  82                                 } else {
  83                                         NodeSecurityUtils.checkImpliedPrincipalName(roleName);
  84                                         principals.add(new ImpliedByPrincipal(roleName.toString(), userPrincipal));
  85                                         if (roleName.equals(NodeSecurityUtils.ROLE_ADMIN_NAME))
  86                                                 principals.add(new DataAdminPrincipal());
  87                                 }
  88                         }
  89
  90                 } catch (InvalidNameException e) {
  91                         throw new CmsException("Cannot commit", e);
  92                 }
  93         }
  94
  95         private static void checkSubjectEmpty(Subject subject) {
  96                 if (!subject.getPrincipals(AnonymousPrincipal.class).isEmpty())
  97                         throw new IllegalStateException("Already logged in as anonymous: " + subject);
  98                 if (!subject.getPrincipals(X500Principal.class).isEmpty())
  99                         throw new IllegalStateException("Already logged in as user: " + subject);
 100                 if (!subject.getPrincipals(DataAdminPrincipal.class).isEmpty())
 101                         throw new IllegalStateException("Already logged in as data admin: " + subject);
 102                 if (!subject.getPrincipals(ImpliedByPrincipal.class).isEmpty())
 103                         throw new IllegalStateException("Already authorized: " + subject);
 104         }
 105
 106         static void cleanUp(Subject subject) {
 107                 // Argeo
 108                 subject.getPrincipals().removeAll(subject.getPrincipals(X500Principal.class));
 109                 subject.getPrincipals().removeAll(subject.getPrincipals(ImpliedByPrincipal.class));
 110                 // Jackrabbit
 111                 // subject.getPrincipals().removeAll(subject.getPrincipals(AdminPrincipal.class));
 112                 // subject.getPrincipals().removeAll(subject.getPrincipals(AnonymousPrincipal.class));
 113         }
 114
 115         // SHARED STATE KEYS
 116         // compatible with com.sun.security.auth.module.*LoginModule
 117         // public static final String SHARED_STATE_USERNAME =
 118         // "javax.security.auth.login.name";
 119         // public static final String SHARED_STATE_PASSWORD =
 120         // "javax.security.auth.login.password";
 121
 122         static void registerSessionAuthorization(BundleContext bc, HttpServletRequest request, Subject subject,
 123                         Authorization authorization) {
 124                 String httpSessId = request.getSession().getId();
 125                 if (authorization.getName() != null) {
 126                         request.setAttribute(HttpContext.REMOTE_USER, authorization.getName());
 127                         request.setAttribute(HttpContext.AUTHORIZATION, authorization);
 128
 129                         HttpSession httpSession = request.getSession();
 130                         if (httpSession.getAttribute(HttpContext.AUTHORIZATION) == null) {
 131
 132                                 Collection<ServiceReference<WebCmsSession>> sr;
 133                                 try {
 134                                         sr = bc.getServiceReferences(WebCmsSession.class,
 135                                                         "(" + WebCmsSession.CMS_SESSION_ID + "=" + httpSessId + ")");
 136                                 } catch (InvalidSyntaxException e) {
 137                                         throw new CmsException("Cannot get CMS session for id " + httpSessId, e);
 138                                 }
 139                                 ServiceReference<WebCmsSession> cmsSessionRef;
 140                                 if (sr.size() == 1) {
 141                                         cmsSessionRef = sr.iterator().next();
 142                                 } else if (sr.size() == 0) {
 143                                         WebCmsSessionImpl cmsSessionImpl = new WebCmsSessionImpl(httpSessId, authorization);
 144                                         cmsSessionRef = cmsSessionImpl.getServiceRegistration().getReference();
 145                                         if (log.isDebugEnabled())
 146                                                 log.debug("Initialized " + cmsSessionImpl + " for " + authorization.getName());
 147                                 } else
 148                                         throw new CmsException(sr.size() + " CMS sessions registered for " + httpSessId);
 149
 150                                 WebCmsSessionImpl cmsSession = (WebCmsSessionImpl) bc.getService(cmsSessionRef);
 151                                 cmsSession.addHttpSession(request);
 152                                 if (log.isTraceEnabled())
 153                                         log.trace("Added " + request.getServletPath() + " to " + cmsSession + " (" + request.getRequestURI()
 154                                                         + ")");
 155                                 // httpSession.setAttribute(HttpContext.REMOTE_USER,
 156                                 // authorization.getName());
 157                                 // httpSession.setAttribute(HttpContext.AUTHORIZATION,
 158                                 // authorization);
 159                         }
 160                 }
 161                 HttpSessionId httpSessionId = new HttpSessionId(httpSessId);
 162                 if (subject.getPrivateCredentials(HttpSessionId.class).size() == 0)
 163                         subject.getPrivateCredentials().add(httpSessionId);
 164                 else {
 165                         String storedSessionId = subject.getPrivateCredentials(HttpSessionId.class).iterator().next().getValue();
 166                         // if (storedSessionId.equals(httpSessionId.getValue()))
 167                         throw new CmsException(
 168                                         "Subject already logged with session " + storedSessionId + " (not " + httpSessionId + ")");
 169                 }
 170         }
 171
 172         static boolean logoutSession(BundleContext bc, Subject subject) {
 173                 String httpSessionId;
 174                 if (subject.getPrivateCredentials(HttpSessionId.class).size() == 1)
 175                         httpSessionId = subject.getPrivateCredentials(HttpSessionId.class).iterator().next().getValue();
 176                 else
 177                         return false;
 178                 Collection<ServiceReference<WebCmsSession>> srs;
 179                 try {
 180                         srs = bc.getServiceReferences(WebCmsSession.class,
 181                                         "(" + WebCmsSession.CMS_SESSION_ID + "=" + httpSessionId + ")");
 182                 } catch (InvalidSyntaxException e) {
 183                         throw new CmsException("Cannot retrieve CMS session #" + httpSessionId, e);
 184                 }
 185
 186                 if (srs.size() == 0) {
 187                         if (log.isTraceEnabled())
 188                                 log.warn("No CMS web session found for http session " + httpSessionId);
 189                         return false;
 190                 } else if (srs.size() > 1)
 191                         throw new CmsException(srs.size() + " CMS web sessions found for http session " + httpSessionId);
 192
 193                 WebCmsSessionImpl cmsSession = (WebCmsSessionImpl) bc.getService(srs.iterator().next());
 194                 cmsSession.cleanUp();
 195                 subject.getPrivateCredentials().removeAll(subject.getPrivateCredentials(HttpSessionId.class));
 196                 if (log.isDebugEnabled())
 197                         log.debug("Cleaned up " + cmsSession);
 198                 return true;
 199         }
 200
 201         private CmsAuthUtils() {
 202
 203         }
 204
 205 }