}
/**
+ * Returns the user with the given name.
+ *
+ * @param username
+ * The name of the user
+ * @return The user, or {@code null} if the user does not exist
+ * @throws DatabaseException
+ * if a database error occurs
+ */
+ public User getUserByName(String username) throws DatabaseException {
+ Query query = new Query(Type.SELECT, "USERS");
+ query.addField(new Field("USERS.*"));
+ query.addWhereClause(new ValueFieldWhereClause(new ValueField("USERS.NAME", new StringParameter(username))));
+ return database.getSingle(query, userCreator);
+ }
+
+ /**
* Returns the user connected with the given OpenID.
*
* @param openId
--- /dev/null
+/*
+ * DemosceneMusic - LoginPage.java - Copyright © 2012 David Roden
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package net.pterodactylus.demoscenemusic.page;
+
+import net.pterodactylus.demoscenemusic.core.Core;
+import net.pterodactylus.demoscenemusic.data.User;
+import net.pterodactylus.util.database.DatabaseException;
+import net.pterodactylus.util.template.Template;
+import net.pterodactylus.util.template.TemplateContext;
+import net.pterodactylus.util.template.TemplateContextFactory;
+import net.pterodactylus.util.web.Method;
+import net.pterodactylus.util.web.RedirectException;
+
+/**
+ * Page that lets the user log in with his username and his password.
+ *
+ * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
+ */
+public class LoginPage extends BasePage {
+
+ /**
+ * Creates a new login page.
+ *
+ * @param core
+ * The core
+ * @param templateContextFactory
+ * The template context factory
+ * @param template
+ * The template to render
+ */
+ public LoginPage(Core core, TemplateContextFactory templateContextFactory, Template template) {
+ super(core, templateContextFactory, template, "login");
+ }
+
+ //
+ // BASEPAGE METHODS
+ //
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ protected void processTemplate(TemplateContext templateContext, ServletRequest request) throws RedirectException {
+ super.processTemplate(templateContext, request);
+ if (request.getMethod() == Method.POST) {
+ String username = request.getServletRequest().getParameter("username");
+ String password = request.getServletRequest().getParameter("password");
+ try {
+ User user = getCore().getDataManager().getUserByName(username);
+ if (user == null) {
+ templateContext.set("error", "user-not-found");
+ return;
+ }
+ if (!user.verifyPassword(password)) {
+ templateContext.set("error", "invalid-password");
+ return;
+ }
+ /* credentials okay, log the user in. */
+ request.getServletRequest().getSession().setAttribute("currentUser", user);
+ throw new RedirectException(".");
+ } catch (DatabaseException de1) {
+ throw new RuntimeException("Could not load user from database.", de1);
+ }
+ }
+ }
+
+}