| /* |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * under the License. |
| */ |
| package org.apache.karaf.jaas.modules; |
| |
| import org.apache.karaf.jaas.modules.encryption.EncryptionSupport; |
| import org.osgi.framework.BundleContext; |
| |
| import javax.security.auth.Subject; |
| import javax.security.auth.callback.CallbackHandler; |
| import javax.security.auth.login.LoginException; |
| import javax.security.auth.spi.LoginModule; |
| import java.security.Principal; |
| import java.util.HashSet; |
| import java.util.Map; |
| import java.util.Set; |
| |
| |
| /** |
| * <p> |
| * Abstract JAAS login module extended by all Karaf Login Modules. |
| * </p> |
| * |
| * @author iocanel, jbonofre |
| */ |
| public abstract class AbstractKarafLoginModule implements LoginModule { |
| |
| protected Set<Principal> principals = new HashSet<Principal>(); |
| protected Subject subject; |
| protected String user; |
| protected CallbackHandler callbackHandler; |
| protected boolean debug; |
| protected Map<String, ?> options; |
| |
| protected String rolePolicy; |
| protected String roleDiscriminator; |
| protected boolean detailedLoginExcepion; |
| |
| /** |
| * the bundle context is required to use the encryption service |
| */ |
| protected BundleContext bundleContext; |
| |
| private EncryptionSupport encryptionSupport; |
| |
| public boolean commit() throws LoginException { |
| RolePolicy policy = RolePolicy.getPolicy(rolePolicy); |
| if (policy != null && roleDiscriminator != null) { |
| policy.handleRoles(subject, principals, roleDiscriminator); |
| } else { |
| subject.getPrincipals().addAll(principals); |
| } |
| return true; |
| } |
| |
| protected void clear() { |
| user = null; |
| } |
| |
| public void initialize(Subject sub, CallbackHandler handler, Map options) { |
| this.subject = sub; |
| this.callbackHandler = handler; |
| this.options = options; |
| this.rolePolicy = (String) options.get("role.policy"); |
| this.roleDiscriminator = (String) options.get("role.discriminator"); |
| this.debug = Boolean.parseBoolean((String) options.get("debug")); |
| this.detailedLoginExcepion = Boolean.parseBoolean((String) options.get("detailed.login.exception")); |
| // the bundle context is set in the Config JaasRealm by default |
| this.bundleContext = (BundleContext) options.get(BundleContext.class.getName()); |
| encryptionSupport = new EncryptionSupport(options); |
| } |
| |
| |
| public String getEncryptedPassword(String password) { |
| Encryption encryption = encryptionSupport.getEncryption(); |
| String encryptionPrefix = encryptionSupport.getEncryptionPrefix(); |
| String encryptionSuffix = encryptionSupport.getEncryptionSuffix(); |
| |
| if (encryption == null) { |
| return password; |
| } else { |
| boolean prefix = encryptionPrefix == null || password.startsWith(encryptionPrefix); |
| boolean suffix = encryptionSuffix == null || password.endsWith(encryptionSuffix); |
| if (prefix && suffix) { |
| return password; |
| } else { |
| String p = encryption.encryptPassword(password); |
| if (encryptionPrefix != null) { |
| p = encryptionPrefix + p; |
| } |
| if (encryptionSuffix != null) { |
| p = p + encryptionSuffix; |
| } |
| return p; |
| } |
| } |
| } |
| |
| public boolean checkPassword(String plain, String encrypted) { |
| Encryption encryption = encryptionSupport.getEncryption(); |
| String encryptionPrefix = encryptionSupport.getEncryptionPrefix(); |
| String encryptionSuffix = encryptionSupport.getEncryptionSuffix(); |
| |
| if (encryption == null) { |
| return plain.equals(encrypted); |
| } else { |
| boolean prefix = encryptionPrefix == null || encrypted.startsWith(encryptionPrefix); |
| boolean suffix = encryptionSuffix == null || encrypted.endsWith(encryptionSuffix); |
| if (prefix && suffix) { |
| encrypted = encrypted.substring(encryptionPrefix != null ? encryptionPrefix.length() : 0, |
| encrypted.length() - (encryptionSuffix != null ? encryptionSuffix.length() : 0)); |
| return encryption.checkPassword(plain, encrypted); |
| } else { |
| return plain.equals(encrypted); |
| } |
| } |
| } |
| |
| } |