org.argeo.cms/src/org/argeo/cms/internal/auth/KernelLoginModule.java

   1 package org.argeo.cms.internal.auth;
   2
   3 import java.security.Principal;
   4 import java.security.cert.CertPath;
   5 import java.util.Map;
   6 import java.util.Set;
   7
   8 import javax.security.auth.Subject;
   9 import javax.security.auth.callback.CallbackHandler;
  10 import javax.security.auth.login.LoginException;
  11 import javax.security.auth.spi.LoginModule;
  12 import javax.security.auth.x500.X500Principal;
  13 import javax.security.auth.x500.X500PrivateCredential;
  14
  15 import org.apache.jackrabbit.core.security.SecurityConstants;
  16 import org.apache.jackrabbit.core.security.principal.AdminPrincipal;
  17 import org.argeo.cms.KernelHeader;
  18
  19 public class KernelLoginModule implements LoginModule {
  20         private Subject subject;
  21
  22         @Override
  23         public void initialize(Subject subject, CallbackHandler callbackHandler,
  24                         Map<String, ?> sharedState, Map<String, ?> options) {
  25                 this.subject = subject;
  26         }
  27
  28         @Override
  29         public boolean login() throws LoginException {
  30                 // TODO check permission at code level ?
  31                 return true;
  32         }
  33
  34         @Override
  35         public boolean commit() throws LoginException {
  36                 // Check that kernel has been logged in w/ certificate
  37                 // Name
  38                 Set<X500Principal> names = subject.getPrincipals(X500Principal.class);
  39                 if (names.isEmpty() || names.size() > 1)
  40                         throw new LoginException("Kernel must have been named");
  41                 X500Principal name = names.iterator().next();
  42                 if (!KernelHeader.ROLE_KERNEL.equals(name.getName()))
  43                         throw new LoginException("Kernel must be named named "
  44                                         + KernelHeader.ROLE_KERNEL);
  45                 // Private certificate
  46                 Set<X500PrivateCredential> privateCerts = subject
  47                                 .getPrivateCredentials(X500PrivateCredential.class);
  48                 X500PrivateCredential privateCert = null;
  49                 for (X500PrivateCredential pCert : privateCerts) {
  50                         if (pCert.getCertificate().getSubjectX500Principal().equals(name)) {
  51                                 privateCert = pCert;
  52                         }
  53                 }
  54                 if (privateCert == null)
  55                         throw new LoginException("Kernel must have a private certificate");
  56                 // Certificate path
  57                 Set<CertPath> certPaths = subject.getPublicCredentials(CertPath.class);
  58                 CertPath certPath = null;
  59                 for (CertPath cPath : certPaths) {
  60                         if (cPath.getCertificates().get(0)
  61                                         .equals(privateCert.getCertificate())) {
  62                                 certPath = cPath;
  63                         }
  64                 }
  65                 if (certPath == null)
  66                         throw new LoginException("Kernel must have a certificate path");
  67
  68                 Set<Principal> principals = subject.getPrincipals();
  69                 // Add admin roles
  70
  71                 // Add data access roles
  72                 principals.add(new AdminPrincipal(SecurityConstants.ADMIN_ID));
  73
  74                 return true;
  75         }
  76
  77         @Override
  78         public boolean abort() throws LoginException {
  79                 return true;
  80         }
  81
  82         @Override
  83         public boolean logout() throws LoginException {
  84                 // clear everything
  85                 subject.getPrincipals().clear();
  86                 subject.getPublicCredentials().clear();
  87                 subject.getPrivateCredentials().clear();
  88                 return true;
  89         }
  90
  91 }