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