Java tutorial
/* * Copyright 2004, 2005, 2006 Acegi Technology Pty Limited * * 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 * * https://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.springframework.security.web.authentication; import org.springframework.security.core.SpringSecurityCoreVersion; import java.io.Serializable; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpSession; /** * A holder of selected HTTP details related to a web authentication request. * * @author Ben Alex * @author Luke Taylor */ public class WebAuthenticationDetails implements Serializable { private static final long serialVersionUID = SpringSecurityCoreVersion.SERIAL_VERSION_UID; // ~ Instance fields // ================================================================================================ private final String remoteAddress; private final String sessionId; // ~ Constructors // =================================================================================================== /** * Records the remote address and will also set the session Id if a session already * exists (it won't create one). * * @param request that the authentication request was received from */ public WebAuthenticationDetails(HttpServletRequest request) { this.remoteAddress = request.getRemoteAddr(); HttpSession session = request.getSession(false); this.sessionId = (session != null) ? session.getId() : null; } /** * Constructor to add Jackson2 serialize/deserialize support * * @param remoteAddress remote address of current request * @param sessionId session id */ private WebAuthenticationDetails(final String remoteAddress, final String sessionId) { this.remoteAddress = remoteAddress; this.sessionId = sessionId; } // ~ Methods // ======================================================================================================== @Override public boolean equals(Object obj) { if (obj instanceof WebAuthenticationDetails) { WebAuthenticationDetails rhs = (WebAuthenticationDetails) obj; if ((remoteAddress == null) && (rhs.getRemoteAddress() != null)) { return false; } if ((remoteAddress != null) && (rhs.getRemoteAddress() == null)) { return false; } if (remoteAddress != null) { if (!remoteAddress.equals(rhs.getRemoteAddress())) { return false; } } if ((sessionId == null) && (rhs.getSessionId() != null)) { return false; } if ((sessionId != null) && (rhs.getSessionId() == null)) { return false; } if (sessionId != null) { if (!sessionId.equals(rhs.getSessionId())) { return false; } } return true; } return false; } /** * Indicates the TCP/IP address the authentication request was received from. * * @return the address */ public String getRemoteAddress() { return remoteAddress; } /** * Indicates the <code>HttpSession</code> id the authentication request was received * from. * * @return the session ID */ public String getSessionId() { return sessionId; } @Override public int hashCode() { int code = 7654; if (this.remoteAddress != null) { code = code * (this.remoteAddress.hashCode() % 7); } if (this.sessionId != null) { code = code * (this.sessionId.hashCode() % 7); } return code; } @Override public String toString() { StringBuilder sb = new StringBuilder(); sb.append(super.toString()).append(": "); sb.append("RemoteIpAddress: ").append(this.getRemoteAddress()).append("; "); sb.append("SessionId: ").append(this.getSessionId()); return sb.toString(); } }