List of usage examples for javax.naming.ldap InitialLdapContext removeFromEnvironment
public Object removeFromEnvironment(String propName) throws NamingException
From source file:no.feide.moria.directory.backend.JNDIBackend.java
/** * Checks whether a user element exists, based on its username value. * @param username// ww w . ja v a2 s . c om * User name. * @return <code>true</code> if the user can be looked up through JNDI, * otherwise <code>false</code>. * @throws BackendException * If there is a problem accessing the backend. */ public final boolean userExists(final String username) throws BackendException { // Sanity checks. if ((username == null) || (username.length() == 0)) return false; // The search pattern. String pattern = usernameAttribute + '=' + username; // Go through all references. InitialLdapContext ldap = null; for (int i = 0; i < myReferences.length; i++) { String[] references = myReferences[i].getReferences(); final String[] usernames = myReferences[i].getUsernames(); final String[] passwords = myReferences[i].getPasswords(); for (int j = 0; j < references.length; j++) { try { // Context for this reference. try { ldap = connect(references[j]); } catch (NamingException e) { // Connection failed, but we might have other sources. log.logWarn("Unable to access the backend on '" + references[j] + "' to verify existence of '" + username + "': " + e.getClass().getName(), mySessionTicket, e); continue; } // Anonymous search or not? ldap.addToEnvironment(Context.SECURITY_AUTHENTICATION, "simple"); if ((usernames[j].length() == 0) && (passwords[j].length() > 0)) log.logWarn("Search username is empty but search password is not - possible index problem", mySessionTicket); else if ((passwords[j].length() == 0) && (usernames[j].length() > 0)) log.logWarn("Search password is empty but search username is not - possible index problem", mySessionTicket); else if ((passwords[j].length() == 0) && (usernames[j].length() == 0)) { log.logDebug("Anonymous search for user element DN on " + references[j], mySessionTicket); ldap.removeFromEnvironment(Context.SECURITY_AUTHENTICATION); } else log.logDebug("Non-anonymous search to verify existence of '" + username + "' on " + references[j], mySessionTicket); ldap.addToEnvironment(Context.SECURITY_PRINCIPAL, usernames[j]); ldap.addToEnvironment(Context.SECURITY_CREDENTIALS, passwords[j]); // Search this reference. if (ldapSearch(ldap, pattern) != null) return true; } catch (NamingException e) { // Unable to connect, but we might have other sources. log.logWarn("Unable to access the backend on '" + references[j] + "' to verify existence of '" + username + "': " + e.getClass().getName(), mySessionTicket, e); continue; } finally { // Close the LDAP connection. if (ldap != null) { try { ldap.close(); } catch (NamingException e) { // Ignored. log.logWarn("Unable to close the backend connection to '" + references[j] + "': " + e.getClass().getName(), mySessionTicket, e); } } } } } // Still no match. return false; }
From source file:no.feide.moria.directory.backend.JNDIBackend.java
/** * Authenticates the user using the supplied credentials and retrieves the * requested attributes.//from w w w . j a v a 2 s . c o m * @param userCredentials * User's credentials. Cannot be <code>null</code>. * @param attributeRequest * Requested attributes. * @return The requested attributes (<code>String</code> names and * <code>String[]</code> values), if they did exist in the * external backend. Otherwise returns those attributes that could * actually be read, this may be an empty <code>HashMap</code>. * Returns an empty <code>HashMap</code> if * <code>attributeRequest</code> is <code>null</code> or an * empty array. * @throws AuthenticationFailedException * If the authentication fails. * @throws BackendException * If there is a problem accessing the backend. * @throws IllegalArgumentException * If <code>userCredentials</code> is <code>null</code>. */ public final HashMap<String, String[]> authenticate(final Credentials userCredentials, final String[] attributeRequest) throws AuthenticationFailedException, BackendException { // Sanity check. if (userCredentials == null) throw new IllegalArgumentException("Credentials cannot be NULL"); // Go through all references. for (int i = 0; i < myReferences.length; i++) { final String[] references = myReferences[i].getReferences(); final String[] usernames = myReferences[i].getUsernames(); final String[] passwords = myReferences[i].getPasswords(); for (int j = 0; j < references.length; j++) { // For the benefit of the finally block below. InitialLdapContext ldap = null; try { // Context for this reference. try { ldap = connect(references[j]); } catch (NamingException e) { // Connection failed, but we might have other sources. log.logWarn("Unable to access the backend on '" + references[j] + "': " + e.getClass().getName(), mySessionTicket, e); continue; } // Skip search phase if the reference(s) are explicit. String rdn = ""; if (myReferences[i].isExplicitlyIndexed()) { // Add the explicit reference; no search phase, no RDN. ldap.addToEnvironment(Context.SECURITY_PRINCIPAL, references[j].substring(references[j].lastIndexOf('/') + 1)); } else { // Anonymous search or not? ldap.addToEnvironment(Context.SECURITY_AUTHENTICATION, "simple"); if ((usernames[j].length() == 0) && (passwords[j].length() > 0)) log.logWarn( "Search username is empty but search password is not - possible index problem", mySessionTicket); else if ((passwords[j].length() == 0) && (usernames[j].length() > 0)) log.logWarn( "Search password is empty but search username is not - possible index problem", mySessionTicket); else if ((passwords[j].length() == 0) && (usernames[j].length() == 0)) { log.logDebug("Anonymous search for user element DN on " + references[j], mySessionTicket); ldap.removeFromEnvironment(Context.SECURITY_AUTHENTICATION); } else log.logDebug("Non-anonymous search for user element DN on " + references[j], mySessionTicket); ldap.addToEnvironment(Context.SECURITY_PRINCIPAL, usernames[j]); ldap.addToEnvironment(Context.SECURITY_CREDENTIALS, passwords[j]); // Search using the implicit reference. String pattern = usernameAttribute + '=' + userCredentials.getUsername(); rdn = ldapSearch(ldap, pattern); if (rdn == null) { // No user element found. Try to guess the RDN. rdn = userCredentials.getUsername(); rdn = guessedAttribute + '=' + rdn.substring(0, rdn.indexOf('@')); log.logDebug("No subtree match for " + pattern + " on " + references[j] + " - guessing on RDN " + rdn, mySessionTicket); } else log.logDebug("Matched " + pattern + " to " + rdn + ',' + ldap.getNameInNamespace(), mySessionTicket); ldap.addToEnvironment(Context.SECURITY_PRINCIPAL, rdn + ',' + ldap.getNameInNamespace()); } // Authenticate and get attributes. ldap.addToEnvironment(Context.SECURITY_AUTHENTICATION, "simple"); ldap.addToEnvironment(Context.SECURITY_CREDENTIALS, userCredentials.getPassword()); try { ldap.reconnect(null); log.logDebug("Successfully authenticated " + userCredentials.getUsername() + " on " + references[j], mySessionTicket); return getAttributes(ldap, rdn, attributeRequest); // Success. } catch (AuthenticationException e) { // Authentication failed, but we may have other // references. log.logDebug("Failed to authenticate user " + userCredentials.getUsername() + " on " + references[j] + " - authentication failed", mySessionTicket); continue; } catch (AuthenticationNotSupportedException e) { // Password authentication not supported for the DN. // We may still have other references. log.logDebug("Failed to authenticate user " + userCredentials.getUsername() + " on " + references[j] + " - authentication not supported", mySessionTicket); continue; } } catch (ConfigurationException e) { throw new BackendException("Backend configuration problem with " + references[j], e); } catch (NamingException e) { throw new BackendException("Unable to access the backend on " + references[j], e); } finally { // Close the LDAP connection. if (ldap != null) { try { ldap.close(); } catch (NamingException e) { // Ignored. log.logWarn( "Unable to close the backend connection to " + references[j] + " - ignoring", mySessionTicket, e); } } } } } // No user was found. throw new AuthenticationFailedException( "Failed to authenticate user " + userCredentials.getUsername() + " - no user found"); }