| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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. |
| */ |
| package org.apache.cxf.transport.servlet.servicelist; |
| |
| import java.io.IOException; |
| import java.nio.charset.StandardCharsets; |
| import java.security.GeneralSecurityException; |
| import java.util.logging.Level; |
| import java.util.logging.Logger; |
| |
| import javax.security.auth.Subject; |
| import javax.security.auth.callback.Callback; |
| import javax.security.auth.callback.CallbackHandler; |
| import javax.security.auth.callback.NameCallback; |
| import javax.security.auth.callback.PasswordCallback; |
| import javax.security.auth.callback.UnsupportedCallbackException; |
| import javax.security.auth.login.AccountException; |
| import javax.security.auth.login.FailedLoginException; |
| import javax.security.auth.login.LoginContext; |
| import javax.servlet.http.HttpServletRequest; |
| import javax.servlet.http.HttpServletResponse; |
| |
| import org.apache.cxf.common.logging.LogUtils; |
| import org.apache.cxf.common.util.Base64Exception; |
| import org.apache.cxf.common.util.Base64Utility; |
| import org.apache.cxf.transport.http.blueprint.HttpDestinationBPBeanDefinitionParser; |
| |
| |
| |
| public class ServiceListJAASAuthenticator { |
| |
| private static final Logger LOG = LogUtils.getL7dLogger(HttpDestinationBPBeanDefinitionParser.class); |
| |
| private static final String HEADER_WWW_AUTHENTICATE = "WWW-Authenticate"; |
| |
| private static final String HEADER_AUTHORIZATION = "Authorization"; |
| |
| private static final String AUTHENTICATION_SCHEME_BASIC = "Basic"; |
| |
| private String realm; |
| |
| public String getRealm() { |
| return realm; |
| } |
| |
| public void setRealm(String realm) { |
| this.realm = realm; |
| } |
| |
| |
| public Object authenticate(final String username, final String password) { |
| return doAuthenticate(username, password); |
| } |
| |
| public Subject doAuthenticate(final String username, final String password) { |
| try { |
| Subject subject = new Subject(); |
| LoginContext loginContext = new LoginContext(realm, subject, new CallbackHandler() { |
| public void handle(Callback[] callbacks) throws IOException, UnsupportedCallbackException { |
| for (int i = 0; i < callbacks.length; i++) { |
| if (callbacks[i] instanceof NameCallback) { |
| ((NameCallback)callbacks[i]).setName(username); |
| } else if (callbacks[i] instanceof PasswordCallback) { |
| ((PasswordCallback)callbacks[i]).setPassword(password.toCharArray()); |
| } else { |
| throw new UnsupportedCallbackException(callbacks[i]); |
| } |
| } |
| } |
| }); |
| loginContext.login(); |
| return subject; |
| } catch (FailedLoginException e) { |
| LOG.log(Level.FINE, "Login failed ", e); |
| return null; |
| } catch (AccountException e) { |
| LOG.log(Level.WARNING, "Account failure ", e); |
| return null; |
| } catch (GeneralSecurityException e) { |
| LOG.log(Level.SEVERE, "General Security Exception ", e); |
| return null; |
| } |
| } |
| |
| public boolean authenticate(HttpServletRequest request, HttpServletResponse response) { |
| // Return immediately if the header is missing |
| String authHeader = request.getHeader(HEADER_AUTHORIZATION); |
| if (authHeader != null && authHeader.length() > 0) { |
| |
| // Get the authType (Basic, Digest) and authInfo (user/password) |
| // from the header |
| authHeader = authHeader.trim(); |
| int blank = authHeader.indexOf(' '); |
| if (blank > 0) { |
| String authType = authHeader.substring(0, blank); |
| String authInfo = authHeader.substring(blank).trim(); |
| |
| |
| if (authType.equalsIgnoreCase(AUTHENTICATION_SCHEME_BASIC)) { |
| try { |
| String srcString = base64Decode(authInfo); |
| |
| int i = srcString.indexOf(':'); |
| String username = srcString.substring(0, i); |
| String password = srcString.substring(i + 1); |
| |
| // authenticate |
| Subject subject = doAuthenticate(username, password); |
| if (subject != null) { |
| return true; |
| } |
| |
| } catch (Exception e) { |
| // Ignore |
| } |
| } |
| } |
| } |
| |
| // request authentication |
| try { |
| response.setHeader(HEADER_WWW_AUTHENTICATE, AUTHENTICATION_SCHEME_BASIC + " realm=\"" |
| + this.realm + "\""); |
| response.setStatus(HttpServletResponse.SC_UNAUTHORIZED); |
| response.setContentLength(0); |
| response.flushBuffer(); |
| } catch (IOException ioe) { |
| // failed sending the response ... cannot do anything about it |
| } |
| |
| // inform HttpService that authentication failed |
| return false; |
| } |
| |
| private static String base64Decode(String srcString) { |
| try { |
| byte[] transformed = Base64Utility.decode(srcString); |
| return new String(transformed, StandardCharsets.ISO_8859_1); |
| } catch (Base64Exception e) { |
| return srcString; |
| } |
| } |
| |
| } |