LoginPage.java

/*
 * Sone - LoginPage.java - Copyright © 2010–2016 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.sone.web;

import static java.util.logging.Logger.getLogger;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.logging.Logger;

import net.pterodactylus.sone.data.Sone;
import net.pterodactylus.sone.freenet.wot.OwnIdentity;
import net.pterodactylus.sone.web.page.FreenetRequest;
import net.pterodactylus.util.template.Template;
import net.pterodactylus.util.template.TemplateContext;
import net.pterodactylus.util.web.Method;
import freenet.clients.http.ToadletContext;

/**
 * The login page manages logging the user in.
 *
 * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
 */
public class LoginPage extends SoneTemplatePage {

	/** The logger. */
	@SuppressWarnings("unused")
	private static final Logger logger = getLogger(LoginPage.class.getName());

	/**
	 * Creates a new login page.
	 *
	 * @param template
	 *            The template to render
	 * @param webInterface
	 *            The Sone web interface
	 */
	public LoginPage(Template template, WebInterface webInterface) {
		super("login.html", template, "Page.Login.Title", webInterface, false);
	}

	//
	// TEMPLATEPAGE METHODS
	//

	/**
	 * {@inheritDoc}
	 */
	@Override
	protected void handleRequest(FreenetRequest request, TemplateContext templateContext) throws RedirectException {
		/* get all own identities. */
		List<Sone> localSones = new ArrayList<Sone>(webInterface.getCore().getLocalSones());
		Collections.sort(localSones, Sone.NICE_NAME_COMPARATOR);
		templateContext.set("sones", localSones);
		if (request.getMethod() == Method.POST) {
			String soneId = request.getHttpRequest().getPartAsStringFailsafe("sone-id", 100);
			Sone selectedSone = webInterface.getCore().getLocalSone(soneId);
			if (selectedSone != null) {
				setCurrentSone(request.getToadletContext(), selectedSone);
				String target = request.getHttpRequest().getParam("target");
				if ((target == null) || (target.length() == 0)) {
					target = "index.html";
				}
				throw new RedirectException(target);
			}
		}
		List<OwnIdentity> ownIdentitiesWithoutSone = CreateSonePage.getOwnIdentitiesWithoutSone(webInterface.getCore());
		templateContext.set("identitiesWithoutSone", ownIdentitiesWithoutSone);
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	protected String getRedirectTarget(FreenetRequest request) {
		if (getCurrentSone(request.getToadletContext(), false) != null) {
			return "index.html";
		}
		return null;
	}

	//
	// SONETEMPLATEPAGE METHODS
	//

	/**
	 * {@inheritDoc}
	 */
	@Override
	public boolean isEnabled(ToadletContext toadletContext) {
		if (webInterface.getCore().getPreferences().isRequireFullAccess() && !toadletContext.isAllowedFullAccess()) {
			return false;
		}
		return getCurrentSone(toadletContext, false) == null;
	}

}