| Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
| DefaultSessionValidator |
|
| 7.0;7 |
| 1 | package org.apache.turbine.modules.actions.sessionvalidator; | |
| 2 | ||
| 3 | /* | |
| 4 | * Licensed to the Apache Software Foundation (ASF) under one | |
| 5 | * or more contributor license agreements. See the NOTICE file | |
| 6 | * distributed with this work for additional information | |
| 7 | * regarding copyright ownership. The ASF licenses this file | |
| 8 | * to you under the Apache License, Version 2.0 (the | |
| 9 | * "License"); you may not use this file except in compliance | |
| 10 | * with the License. You may obtain a copy of the License at | |
| 11 | * | |
| 12 | * http://www.apache.org/licenses/LICENSE-2.0 | |
| 13 | * | |
| 14 | * Unless required by applicable law or agreed to in writing, | |
| 15 | * software distributed under the License is distributed on an | |
| 16 | * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | |
| 17 | * KIND, either express or implied. See the License for the | |
| 18 | * specific language governing permissions and limitations | |
| 19 | * under the License. | |
| 20 | */ | |
| 21 | ||
| 22 | import org.apache.commons.configuration.Configuration; | |
| 23 | import org.apache.commons.lang.StringUtils; | |
| 24 | import org.apache.commons.logging.Log; | |
| 25 | import org.apache.commons.logging.LogFactory; | |
| 26 | import org.apache.turbine.Turbine; | |
| 27 | import org.apache.turbine.TurbineConstants; | |
| 28 | import org.apache.turbine.annotation.TurbineConfiguration; | |
| 29 | import org.apache.turbine.annotation.TurbineService; | |
| 30 | import org.apache.turbine.om.security.User; | |
| 31 | import org.apache.turbine.pipeline.PipelineData; | |
| 32 | import org.apache.turbine.services.security.SecurityService; | |
| 33 | import org.apache.turbine.util.RunData; | |
| 34 | ||
| 35 | /** | |
| 36 | * The SessionValidator attempts to retrieve the User object from the | |
| 37 | * Servlet API session that is associated with the request. If the | |
| 38 | * data cannot be retrieved, it is handled here. If the user has not | |
| 39 | * been marked as being logged into the system, the user is rejected | |
| 40 | * and the screen is set to the screen.homepage value in | |
| 41 | * TurbineResources.properties. | |
| 42 | * | |
| 43 | * <p> | |
| 44 | * | |
| 45 | * Other systems generally have a database table which stores this | |
| 46 | * information, but we take advantage of the Servlet API here to save | |
| 47 | * a hit to the database for each and every connection that a user | |
| 48 | * makes. | |
| 49 | * | |
| 50 | * <p> | |
| 51 | * | |
| 52 | * This action is special in that it should only be executed by the | |
| 53 | * Turbine servlet. | |
| 54 | * | |
| 55 | * @author <a href="mailto:mbryson@mont.mindspring.com">Dave Bryson</a> | |
| 56 | * @author <a href="mailto:hps@intermeta.de">Henning P. Schmiedehausen</a> | |
| 57 | * @author <a href="mailto:peter@courcoux.biz">Peter Courcoux</a> | |
| 58 | * @version $Id: DefaultSessionValidator.java 1695634 2015-08-13 00:35:47Z tv $ | |
| 59 | */ | |
| 60 | 0 | public class DefaultSessionValidator |
| 61 | extends SessionValidator | |
| 62 | { | |
| 63 | /** Logging */ | |
| 64 | 0 | private static Log log = LogFactory.getLog(DefaultSessionValidator.class); |
| 65 | ||
| 66 | @TurbineService | |
| 67 | private SecurityService security; | |
| 68 | ||
| 69 | @TurbineConfiguration | |
| 70 | private Configuration conf; | |
| 71 | ||
| 72 | /** | |
| 73 | * Execute the action. The default is to populate the PipelineData | |
| 74 | * object and, if the user is unknown, to force a login screen (as | |
| 75 | * set in the tr.props). | |
| 76 | * | |
| 77 | * @see org.apache.turbine.modules.screens.error.InvalidState | |
| 78 | * @param pipelineData Turbine PipelineData context information. | |
| 79 | * @throws Exception The anonymous user could not be obtained | |
| 80 | * from the security service | |
| 81 | */ | |
| 82 | @Override | |
| 83 | public void doPerform(PipelineData pipelineData) | |
| 84 | throws Exception | |
| 85 | { | |
| 86 | 0 | RunData data = getRunData(pipelineData); |
| 87 | // Pull user from session. | |
| 88 | 0 | data.populate(); |
| 89 | ||
| 90 | // The user may have not logged in, so create a "guest/anonymous" user. | |
| 91 | 0 | if (data.getUser() == null) |
| 92 | { | |
| 93 | 0 | log.debug("Fixing up empty User Object!"); |
| 94 | 0 | User anonymousUser = security.getAnonymousUser(); |
| 95 | 0 | data.setUser(anonymousUser); |
| 96 | 0 | data.save(); |
| 97 | } | |
| 98 | ||
| 99 | // Make sure the User has logged into the system. | |
| 100 | 0 | if (!data.getUser().hasLoggedIn()) |
| 101 | { | |
| 102 | // only set the message if nothing else has already set it | |
| 103 | // (e.g. the LogoutUser action). | |
| 104 | 0 | if (StringUtils.isEmpty(data.getMessage())) |
| 105 | { | |
| 106 | 0 | data.setMessage(conf.getString(TurbineConstants.LOGIN_MESSAGE)); |
| 107 | } | |
| 108 | ||
| 109 | // set the screen to be the login page | |
| 110 | 0 | data.setScreen(conf.getString(TurbineConstants.SCREEN_LOGIN)); |
| 111 | ||
| 112 | // We're not doing any actions buddy! (except action.login which | |
| 113 | // will have been performed already) | |
| 114 | 0 | data.setAction(null); |
| 115 | } | |
| 116 | ||
| 117 | 0 | if (!data.hasScreen()) |
| 118 | { | |
| 119 | 0 | data.setMessage(conf.getString( |
| 120 | TurbineConstants.LOGIN_MESSAGE_NOSCREEN)); | |
| 121 | 0 | data.setScreen(conf.getString(TurbineConstants.SCREEN_HOMEPAGE)); |
| 122 | } | |
| 123 | ||
| 124 | 0 | if (data.getParameters().containsKey("_session_access_counter")) |
| 125 | { | |
| 126 | // See comments in screens.error.InvalidState. | |
| 127 | 0 | if (data.getParameters().getInt("_session_access_counter") |
| 128 | < (((Integer) data.getUser().getTemp( | |
| 129 | "_session_access_counter")).intValue() - 1)) | |
| 130 | { | |
| 131 | 0 | data.getUser().setTemp("prev_screen", data.getScreen()); |
| 132 | 0 | data.getUser().setTemp("prev_parameters", data.getParameters()); |
| 133 | 0 | data.setScreen(conf.getString( |
| 134 | TurbineConstants.SCREEN_INVALID_STATE)); | |
| 135 | 0 | data.setAction(""); |
| 136 | } | |
| 137 | } | |
| 138 | ||
| 139 | // Comply with Turbine 4.0 standards | |
| 140 | 0 | pipelineData.get(Turbine.class).put(User.class, data.getUser()); |
| 141 | 0 | } |
| 142 | } |