refactored login and password reset functions to shared-account for reusage

account/src/main/java/de/muehlencord/shared/account/ui/LoginView.java

@@ -0,0 +1,146 @@
+package de.muehlencord.shared.account.ui;
+
+import de.muehlencord.shared.account.business.account.AccountControl;
+import de.muehlencord.shared.account.entity.AccountEntity;
+import de.muehlencord.shared.jeeutil.FacesUtil;
+import java.io.IOException;
+import java.io.Serializable;
+import javax.ejb.EJB;
+import javax.faces.context.ExternalContext;
+import javax.faces.context.FacesContext;
+import javax.faces.view.ViewScoped;
+import javax.inject.Named;
+
+import javax.servlet.ServletRequest;
+import javax.servlet.ServletResponse;
+import org.apache.shiro.subject.Subject;
+import org.apache.shiro.SecurityUtils;
+import org.apache.shiro.authc.AuthenticationException;
+import org.apache.shiro.authc.UsernamePasswordToken;
+import org.apache.shiro.web.util.WebUtils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ *
+ * @author joern.muehlencord
+ */
+@Named(value = "loginView")
+@ViewScoped
+public class LoginView implements Serializable {
+
+    @EJB
+    private AccountControl accountService;
+
+    private String username = null;
+    private String password = null;
+    private boolean rememberMe = false;
+
+    private String resetPasswordToken = null;
+
+    private static final Logger LOGGER = LoggerFactory.getLogger(LoginView.class.getName());
+
+    public void authenticate() {
+
+        // Example using most common scenario of username/password pair:
+        UsernamePasswordToken token = new UsernamePasswordToken(getUsername(), getPassword());
+
+        // "Remember Me" built-in:
+        token.setRememberMe(rememberMe);
+
+        Subject currentUser = SecurityUtils.getSubject();
+
+        LOGGER.info("Submitting login with username of " + username);
+
+        try {
+            currentUser.login(token);
+            // user logged in, update account entity
+            AccountEntity account = accountService.getAccountEntity(username, true);
+            accountService.updateLogin(account);
+
+            // redirect to home
+            ExternalContext ec = FacesContext.getCurrentInstance().getExternalContext();
+            String fallbackUrl = "/web/index.xhtml";
+            // ec.redirect(url);
+            WebUtils.redirectToSavedRequest((ServletRequest) ec.getRequest(), (ServletResponse) ec.getResponse(), fallbackUrl);
+        } catch (IOException | AuthenticationException e) {
+            // Could catch a subclass of AuthenticationException if you like
+            String hint = "Error while authenticating user " + username;
+            LOGGER.error(hint + "Reason: " + e.toString());
+            FacesUtil.addErrorMessage("Login failed"); 
+
+            AccountEntity account = accountService.getAccountEntity(username, false);
+            if (account != null) {
+                accountService.addLoginError(account);
+            }
+        } finally {
+            token.clear();
+        }
+    }
+
+    public void logout() {
+        Subject currentUser = SecurityUtils.getSubject();
+        try {
+            currentUser.logout();
+
+            ExternalContext ec = FacesContext.getCurrentInstance().getExternalContext();
+            String url = ec.getRequestContextPath() + "/login.xhtml";
+            ec.redirect(url);
+
+        } catch (Exception e) {
+            LOGGER.warn(e.toString());
+        }
+    }
+
+    public String executePasswordReset() {
+        boolean passwordResetted = accountService.resetPassword(username, password, resetPasswordToken);
+        if (passwordResetted) {
+            // TODO add email notification on updated user account            
+            FacesUtil.addInfoMessage ("Password resetted"); 
+            return login();
+        } else {
+            // TODO add email notificaton on failed password reset
+            FacesUtil.addErrorMessage("Password reset failed"); 
+            return login();
+        }
+    }
+
+    /* **** naviation rules **** */
+    public String login() {
+        return "/login.xhtml"; // TODO make configurable
+    }
+
+    /* *** getter / setter */
+    public String getUsername() {
+        return username;
+    }
+
+    public void setUsername(String un) {
+        this.username = un;
+    }
+
+    public String getPassword() {
+        return password;
+    }
+
+    public void setPassword(String pw) {
+        this.password = pw;
+    }
+
+    public boolean isRememberMe() {
+        return rememberMe;
+    }
+
+    public void setRememberMe(boolean rememberMe) {
+        this.rememberMe = rememberMe;
+    }
+
+    public String getResetPasswordToken() {
+        return resetPasswordToken;
+    }
+
+    public void setResetPasswordToken(String resetPasswordToken) {
+        this.resetPasswordToken = resetPasswordToken;
+    }
+
+}

account/src/main/java/de/muehlencord/shared/account/ui/LostPasswordView.java

@@ -0,0 +1,46 @@
+package de.muehlencord.shared.account.ui;
+
+import de.muehlencord.shared.account.business.account.AccountControl;
+import de.muehlencord.shared.jeeutil.FacesUtil;
+import java.io.Serializable;
+import javax.ejb.EJB;
+import javax.faces.view.ViewScoped;
+import javax.inject.Named;
+
+/**
+ *
+ * @author joern@muehlencord.de
+ */
+@Named (value = "lostPasswordView")
+@ViewScoped
+public class LostPasswordView implements Serializable {
+
+    @EJB
+    private AccountControl accountService;   
+
+    private String userName;
+    private boolean passwordResetStarted = false;
+
+    public String initPasswordReset() {
+        if (accountService.initPasswordReset(userName)) {
+            passwordResetStarted = true;
+            FacesUtil.addInfoMessage("Password reset started, please check your email account");
+        } else {
+            FacesUtil.addErrorMessage("Error while resetting password. Please contact your administrator"); 
+        }
+        return "/login.xhtml"; // TODO make configurable, get from LoginView?
+    }
+
+    public String getUserName() {
+        return userName;
+    }
+
+    public void setUserName(String userName) {
+        this.userName = userName;
+    }
+
+    public boolean getPasswordResetStarted() {
+        return passwordResetStarted;
+    }
+
+}