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dgarcia |
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package eu.smartlm.abs.portal.security.login;
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import javax.portlet.ActionResponse;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.beans.factory.annotation.Qualifier;
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import org.springframework.stereotype.Controller;
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import org.springframework.validation.BindingResult;
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import org.springframework.web.bind.WebDataBinder;
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import org.springframework.web.bind.annotation.InitBinder;
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import org.springframework.web.bind.annotation.ModelAttribute;
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import org.springframework.web.bind.annotation.RequestMapping;
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import org.springframework.web.bind.annotation.SessionAttributes;
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import org.springframework.web.bind.support.SessionStatus;
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import org.springframework.web.portlet.bind.annotation.ActionMapping;
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import org.springframework.web.portlet.bind.annotation.RenderMapping;
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import eu.smartlm.abs.portal.security.login.model.User;
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import eu.smartlm.abs.portal.security.login.service.LoginService;
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import eu.smartlm.abs.portal.view.event.LoginEventData;
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/**
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* Login control that limits the query to the Accounting and Billing Database
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* @author David García Pérez - CESGA
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*/
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@Controller(value="loginController")
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@RequestMapping(value = "VIEW")
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@SessionAttributes(types = User.class)
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public class LoginController {
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public static int LOGGED_IN = 100;
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public static int LOGGED_OUT = 200;
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public static String LOGIN_EVENT = "loginEvent";
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private int status = 200;
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private User user;
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@Autowired
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@Qualifier("myLoginService")
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private LoginService loginService;
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public void setLoginService(LoginService loginService) {
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this.loginService = loginService;
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}
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/**
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* Pointer to the default jsp portlet to show
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* @return the name of the jsp portlet
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*/
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@RenderMapping
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public String showLoginForm() {
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if(status == LOGGED_OUT)
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return "login";
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else if (status == LOGGED_IN)
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return "logged";
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else
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return "login";
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}
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/**
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* Pointer to the jsp page with the logged information
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* @return the name of the jsp page
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*/
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@RenderMapping(params = "myaction=loggedIn")
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public String showLoggedInPage() {
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return "logged";
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}
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/**
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* User object that it is created to be passed to the jsp page
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* @return a User Object
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*/
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@ModelAttribute("user")
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public User getCommandObject() {
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if (user == null) return new User();
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return user;
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}
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/**
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* Initicialices the binder that associates fields of the jsp page to the user model
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* @param binder
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*/
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@InitBinder("user")
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public void initBinder(WebDataBinder binder) { }
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/**
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* Action to be processed when a user tries to login
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*/
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@ActionMapping(params = "myaction=loginUser")
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public void loginUser(@ModelAttribute User user, BindingResult bindingResult, ActionResponse response, SessionStatus sessionStatus) {
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if(loginService.isValidLogin(user)) {
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status = LOGGED_IN;
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this.user = loginService.getUser(user.getUsername());
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response.setEvent(LOGIN_EVENT, new LoginEventData(status, this.user));
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response.setRenderParameter("myaction", "loggedIn");
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} else {
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status = LOGGED_OUT;
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}
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}
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/**
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* Action to be processed when a user logs out
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*/
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@ActionMapping(params = "myaction=logoutUser")
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public void loggoutUser(ActionResponse response, SessionStatus sessionStatus) {
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status = LOGGED_OUT;
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user = null;
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response.setEvent(LOGIN_EVENT, new LoginEventData(status, user));
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response.setRenderParameter("myaction" , "login");
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sessionStatus.setComplete();
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}
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}
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