src/main/java/com/gitblit/wicket/pages/BasePage.java - gitblit - Git at Google

 /*
  * Copyright 2011 gitblit.com.
  *
  * 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
  *
  *     http://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 com.gitblit.wicket.pages;

 import java.io.IOException;
 import java.io.InputStream;
 import java.text.MessageFormat;
 import java.util.ArrayList;
 import java.util.Calendar;
 import java.util.Collections;
 import java.util.Date;
 import java.util.HashSet;
 import java.util.LinkedHashMap;
 import java.util.List;
 import java.util.Map;
 import java.util.ResourceBundle;
 import java.util.Set;
 import java.util.TimeZone;
 import java.util.regex.Pattern;

 import javax.servlet.http.HttpServletRequest;

 import org.apache.commons.io.IOUtils;
 import org.apache.wicket.Application;
 import org.apache.wicket.Component;
 import org.apache.wicket.Page;
 import org.apache.wicket.PageParameters;
 import org.apache.wicket.RedirectToUrlException;
 import org.apache.wicket.markup.html.CSSPackageResource;
 import org.apache.wicket.markup.html.basic.Label;
 import org.apache.wicket.markup.html.link.ExternalLink;
 import org.apache.wicket.markup.html.panel.FeedbackPanel;
 import org.apache.wicket.markup.html.resources.JavascriptResourceReference;
 import org.apache.wicket.markup.repeater.RepeatingView;
 import org.apache.wicket.protocol.http.RequestUtils;
 import org.apache.wicket.protocol.http.WebResponse;
 import org.apache.wicket.protocol.http.servlet.ServletWebRequest;
 import org.apache.wicket.request.target.basic.RedirectRequestTarget;
 import org.apache.wicket.util.time.Duration;
 import org.apache.wicket.util.time.Time;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;

 import com.gitblit.Constants;
 import com.gitblit.Constants.AccessPermission;
 import com.gitblit.Constants.AccessRestrictionType;
 import com.gitblit.Constants.AuthorizationControl;
 import com.gitblit.Constants.FederationStrategy;
 import com.gitblit.Keys;
 import com.gitblit.models.ProjectModel;
 import com.gitblit.models.TeamModel;
 import com.gitblit.models.UserModel;
 import com.gitblit.utils.StringUtils;
 import com.gitblit.utils.TimeUtils;
 import com.gitblit.wicket.CacheControl;
 import com.gitblit.wicket.GitBlitWebApp;
 import com.gitblit.wicket.GitBlitWebSession;
 import com.gitblit.wicket.WicketUtils;

 public abstract class BasePage extends SessionPage {

 	private transient Logger logger;

 	private transient TimeUtils timeUtils;

 	public BasePage() {
 		super();
 		add(new RepeatingView("bottomScripts").setRenderBodyOnly(true));
 		customizeHeader();
 	}

 	public BasePage(PageParameters params) {
 		super(params);
 		add(new RepeatingView("bottomScripts").setRenderBodyOnly(true));
 		customizeHeader();
 	}

 	protected Logger logger() {
 		if (logger == null) {
 			logger = LoggerFactory.getLogger(getClass());
 		}
 		return logger;
 	}

 	private void customizeHeader() {
 		if (app().settings().getBoolean(Keys.web.useResponsiveLayout, true)) {
 			add(CSSPackageResource.getHeaderContribution("bootstrap/css/bootstrap-responsive.css"));
 		}
 		if (app().settings().getBoolean(Keys.web.hideHeader, false)) {
 			add(CSSPackageResource.getHeaderContribution("hideheader.css"));
 		}
 	}

 	protected String getContextUrl() {
 		return getRequest().getRelativePathPrefixToContextRoot();
 	}

 	protected String getCanonicalUrl() {
 		return getCanonicalUrl(getClass(), getPageParameters());
 	}

 	protected String getCanonicalUrl(Class<? extends BasePage> clazz, PageParameters params) {
 		String relativeUrl = urlFor(clazz, params).toString();
 		String canonicalUrl = RequestUtils.toAbsolutePath(relativeUrl);
 		return canonicalUrl;
 	}

 	protected void redirectTo(Class<? extends BasePage> pageClass) {
 		redirectTo(pageClass, null);
 	}

 	protected void redirectTo(Class<? extends BasePage> pageClass, PageParameters parameters) {
 		String absoluteUrl = getCanonicalUrl(pageClass, parameters);
 		getRequestCycle().setRequestTarget(new RedirectRequestTarget(absoluteUrl));
 	}

 	protected String getLanguageCode() {
 		return GitBlitWebSession.get().getLocale().getLanguage();
 	}

 	protected String getCountryCode() {
 		return GitBlitWebSession.get().getLocale().getCountry().toLowerCase();
 	}

 	protected TimeUtils getTimeUtils() {
 		if (timeUtils == null) {
 			ResourceBundle bundle;
 			try {
 				bundle = ResourceBundle.getBundle("com.gitblit.wicket.GitBlitWebApp", GitBlitWebSession.get().getLocale());
 			} catch (Throwable t) {
 				bundle = ResourceBundle.getBundle("com.gitblit.wicket.GitBlitWebApp");
 			}
 			timeUtils = new TimeUtils(bundle, getTimeZone());
 		}
 		return timeUtils;
 	}

 	@Override
 	protected void onBeforeRender() {
 		if (app().isDebugMode()) {
 			// strip Wicket tags in debug mode for jQuery DOM traversal
 			Application.get().getMarkupSettings().setStripWicketTags(true);
 		}
 		super.onBeforeRender();
 	}

 	@Override
 	protected void onAfterRender() {
 		if (app().isDebugMode()) {
 			// restore Wicket debug tags
 			Application.get().getMarkupSettings().setStripWicketTags(false);
 		}
 		super.onAfterRender();
 	}

 	@Override
 	protected void setHeaders(WebResponse response)	{
 		// set canonical link as http header for SEO (issue-304)
 		// https://support.google.com/webmasters/answer/139394?hl=en
 		response.setHeader("Link", MessageFormat.format("<{0}>; rel=\"canonical\"", getCanonicalUrl()));
 		int expires = app().settings().getInteger(Keys.web.pageCacheExpires, 0);
 		if (expires > 0) {
 			// pages are personalized for the authenticated user so they must be
 			// marked private to prohibit proxy servers from caching them
 			response.setHeader("Cache-Control", "private, must-revalidate");
 			setLastModified();
 		} else {
 			// use default Wicket caching behavior
 			super.setHeaders(response);
 		}

 		// XRF vulnerability. issue-500 / ticket-166
 		response.setHeader("X-Frame-Options", "SAMEORIGIN");
 	}

 	/**
 	 * Sets the last-modified header date, if appropriate, for this page.  The
 	 * date used is determined by the CacheControl annotation.
 	 *
 	 */
 	protected void setLastModified() {
 		if (getClass().isAnnotationPresent(CacheControl.class)) {
 			CacheControl cacheControl = getClass().getAnnotation(CacheControl.class);
 			switch (cacheControl.value()) {
 			case ACTIVITY:
 				setLastModified(app().getLastActivityDate());
 				break;
 			case BOOT:
 				setLastModified(app().getBootDate());
 				break;
 			case NONE:
 				break;
 			default:
 				logger().warn(getClass().getSimpleName() + ": unhandled LastModified type " + cacheControl.value());
 				break;
 			}
 		}
 	}

 	/**
 	 * Sets the last-modified header field and the expires field.
 	 *
 	 * @param when
 	 */
 	protected final void setLastModified(Date when) {
 		if (when == null) {
 			return;
 		}

 		if (when.before(app().getBootDate())) {
 			// last-modified can not be before the Gitblit boot date
 			// this helps ensure that pages are properly refreshed after a
 			// server config change
 			when = app().getBootDate();
 		}

 		int expires = app().settings().getInteger(Keys.web.pageCacheExpires, 0);
 		WebResponse response = (WebResponse) getResponse();
 		response.setLastModifiedTime(Time.valueOf(when));
 		response.setDateHeader("Expires", System.currentTimeMillis() + Duration.minutes(expires).getMilliseconds());
 	}

 	protected String getPageTitle(String repositoryName) {
 		String siteName = app().settings().getString(Keys.web.siteName, Constants.NAME);
 		if (StringUtils.isEmpty(siteName)) {
 			siteName = Constants.NAME;
 		}
 		if (repositoryName != null && repositoryName.trim().length() > 0) {
 			return repositoryName + " - " + siteName;
 		} else {
 			return siteName;
 		}
 	}

 	protected void setupPage(String repositoryName, String pageName) {
 		add(new Label("title", getPageTitle(repositoryName)));

 		String rootLinkUrl = app().settings().getString(Keys.web.rootLink, urlFor(GitBlitWebApp.get().getHomePage(), null).toString());
 		ExternalLink rootLink = new ExternalLink("rootLink", rootLinkUrl);
 		WicketUtils.setHtmlTooltip(rootLink, app().settings().getString(Keys.web.siteName, Constants.NAME));
 		add(rootLink);

 		// Feedback panel for info, warning, and non-fatal error messages
 		add(new FeedbackPanel("feedback"));

 		add(new Label("gbVersion", "v" + Constants.getVersion()));
 		if (app().settings().getBoolean(Keys.web.aggressiveHeapManagement, false)) {
 			System.gc();
 		}
 	}

 	protected Map<AccessRestrictionType, String> getAccessRestrictions() {
 		Map<AccessRestrictionType, String> map = new LinkedHashMap<AccessRestrictionType, String>();
 		for (AccessRestrictionType type : AccessRestrictionType.values()) {
 			switch (type) {
 			case NONE:
 				map.put(type, getString("gb.notRestricted"));
 				break;
 			case PUSH:
 				map.put(type, getString("gb.pushRestricted"));
 				break;
 			case CLONE:
 				map.put(type, getString("gb.cloneRestricted"));
 				break;
 			case VIEW:
 				map.put(type, getString("gb.viewRestricted"));
 				break;
 			}
 		}
 		return map;
 	}

 	protected Map<AccessPermission, String> getAccessPermissions() {
 		Map<AccessPermission, String> map = new LinkedHashMap<AccessPermission, String>();
 		for (AccessPermission type : AccessPermission.values()) {
 			switch (type) {
 			case NONE:
 				map.put(type, MessageFormat.format(getString("gb.noPermission"), type.code));
 				break;
 			case EXCLUDE:
 				map.put(type, MessageFormat.format(getString("gb.excludePermission"), type.code));
 				break;
 			case VIEW:
 				map.put(type, MessageFormat.format(getString("gb.viewPermission"), type.code));
 				break;
 			case CLONE:
 				map.put(type, MessageFormat.format(getString("gb.clonePermission"), type.code));
 				break;
 			case PUSH:
 				map.put(type, MessageFormat.format(getString("gb.pushPermission"), type.code));
 				break;
 			case CREATE:
 				map.put(type, MessageFormat.format(getString("gb.createPermission"), type.code));
 				break;
 			case DELETE:
 				map.put(type, MessageFormat.format(getString("gb.deletePermission"), type.code));
 				break;
 			case REWIND:
 				map.put(type, MessageFormat.format(getString("gb.rewindPermission"), type.code));
 				break;
 			}
 		}
 		return map;
 	}

 	protected Map<FederationStrategy, String> getFederationTypes() {
 		Map<FederationStrategy, String> map = new LinkedHashMap<FederationStrategy, String>();
 		for (FederationStrategy type : FederationStrategy.values()) {
 			switch (type) {
 			case EXCLUDE:
 				map.put(type, getString("gb.excludeFromFederation"));
 				break;
 			case FEDERATE_THIS:
 				map.put(type, getString("gb.federateThis"));
 				break;
 			case FEDERATE_ORIGIN:
 				map.put(type, getString("gb.federateOrigin"));
 				break;
 			}
 		}
 		return map;
 	}

 	protected Map<AuthorizationControl, String> getAuthorizationControls() {
 		Map<AuthorizationControl, String> map = new LinkedHashMap<AuthorizationControl, String>();
 		for (AuthorizationControl type : AuthorizationControl.values()) {
 			switch (type) {
 			case AUTHENTICATED:
 				map.put(type, getString("gb.allowAuthenticatedDescription"));
 				break;
 			case NAMED:
 				map.put(type, getString("gb.allowNamedDescription"));
 				break;
 			}
 		}
 		return map;
 	}

 	protected TimeZone getTimeZone() {
 		return app().settings().getBoolean(Keys.web.useClientTimezone, false) ? GitBlitWebSession.get()
 				.getTimezone() : app().getTimezone();
 	}

 	protected String getServerName() {
 		ServletWebRequest servletWebRequest = (ServletWebRequest) getRequest();
 		HttpServletRequest req = servletWebRequest.getHttpServletRequest();
 		return req.getServerName();
 	}

 	protected List<ProjectModel> getProjectModels() {
 		final UserModel user = GitBlitWebSession.get().getUser();
 		List<ProjectModel> projects = app().projects().getProjectModels(user, true);
 		return projects;
 	}

 	protected List<ProjectModel> getProjects(PageParameters params) {
 		if (params == null) {
 			return getProjectModels();
 		}

 		boolean hasParameter = false;
 		String regex = WicketUtils.getRegEx(params);
 		String team = WicketUtils.getTeam(params);
 		int daysBack = params.getInt("db", 0);
 		int maxDaysBack = app().settings().getInteger(Keys.web.activityDurationMaximum, 30);

 		List<ProjectModel> availableModels = getProjectModels();
 		Set<ProjectModel> models = new HashSet<ProjectModel>();

 		if (!StringUtils.isEmpty(regex)) {
 			// filter the projects by the regex
 			hasParameter = true;
 			Pattern pattern = Pattern.compile(regex);
 			for (ProjectModel model : availableModels) {
 				if (pattern.matcher(model.name).find()) {
 					models.add(model);
 				}
 			}
 		}

 		if (!StringUtils.isEmpty(team)) {
 			// filter the projects by the specified teams
 			hasParameter = true;
 			List<String> teams = StringUtils.getStringsFromValue(team, ",");

 			// need TeamModels first
 			List<TeamModel> teamModels = new ArrayList<TeamModel>();
 			for (String name : teams) {
 				TeamModel teamModel = app().users().getTeamModel(name);
 				if (teamModel != null) {
 					teamModels.add(teamModel);
 				}
 			}

 			// brute-force our way through finding the matching models
 			for (ProjectModel projectModel : availableModels) {
 				for (String repositoryName : projectModel.repositories) {
 					for (TeamModel teamModel : teamModels) {
 						if (teamModel.hasRepositoryPermission(repositoryName)) {
 							models.add(projectModel);
 						}
 					}
 				}
 			}
 		}

 		if (!hasParameter) {
 			models.addAll(availableModels);
 		}

 		// time-filter the list
 		if (daysBack > 0) {
 			if (maxDaysBack > 0 && daysBack > maxDaysBack) {
 				daysBack = maxDaysBack;
 			}
 			Calendar cal = Calendar.getInstance();
 			cal.set(Calendar.HOUR_OF_DAY, 0);
 			cal.set(Calendar.MINUTE, 0);
 			cal.set(Calendar.SECOND, 0);
 			cal.set(Calendar.MILLISECOND, 0);
 			cal.add(Calendar.DATE, -1 * daysBack);
 			Date threshold = cal.getTime();
 			Set<ProjectModel> timeFiltered = new HashSet<ProjectModel>();
 			for (ProjectModel model : models) {
 				if (model.lastChange.after(threshold)) {
 					timeFiltered.add(model);
 				}
 			}
 			models = timeFiltered;
 		}

 		List<ProjectModel> list = new ArrayList<ProjectModel>(models);
 		Collections.sort(list);
 		return list;
 	}

 	public void warn(String message, Throwable t) {
 		logger().warn(message, t);
 	}

 	public void error(String message, boolean redirect) {
 		error(message, null, redirect ? getApplication().getHomePage() : null);
 	}

 	public void error(String message, Throwable t, boolean redirect) {
 		error(message, t, getApplication().getHomePage());
 	}

 	public void error(String message, Throwable t, Class<? extends Page> toPage) {
 		error(message, t, toPage, null);
 	}

 	public void error(String message, Throwable t, Class<? extends Page> toPage, PageParameters params) {
 		if (t == null) {
 			logger().error(message  + " for " + GitBlitWebSession.get().getUsername());
 		} else {
 			logger().error(message  + " for " + GitBlitWebSession.get().getUsername(), t);
 		}
 		if (toPage != null) {
 			GitBlitWebSession.get().cacheErrorMessage(message);
 			String relativeUrl = urlFor(toPage, params).toString();
 			String absoluteUrl = RequestUtils.toAbsolutePath(relativeUrl);
 			throw new RedirectToUrlException(absoluteUrl);
 		} else {
 			super.error(message);
 		}
 	}

 	public void authenticationError(String message) {
 		logger().error(getRequest().getURL() + " for " + GitBlitWebSession.get().getUsername());
 		if (!GitBlitWebSession.get().isLoggedIn()) {
 			// cache the request if we have not authenticated.
 			// the request will continue after authentication.
 			GitBlitWebSession.get().cacheRequest(getClass());
 		}
 		error(message, true);
 	}

 	protected String readResource(String resource) {
 		StringBuilder sb = new StringBuilder();
 		InputStream is = null;
 		try {
 			is = getClass().getResourceAsStream(resource);
 			List<String> lines = IOUtils.readLines(is);
 			for (String line : lines) {
 				sb.append(line).append('\n');
 			}
 		} catch (IOException e) {

 		} finally {
 			if (is != null) {
 				try {
 					is.close();
 				} catch (IOException e) {
 				}
 			}
 		}
 		return sb.toString();
 	}

 	/**
 	 * Adds a HTML script element loading the javascript designated by the given path.
 	 *
 	 * @param scriptPath
 	 *            page-relative path to the Javascript resource; normally starts with "scripts/"
 	 */
 	protected void addBottomScript(String scriptPath) {
 		Component bottomScriptContainer = get("bottomScripts");
 		if (bottomScriptContainer instanceof RepeatingView) {
 			// Always true.
 			RepeatingView bottomScripts = (RepeatingView) bottomScriptContainer;
 			Label script = new Label(bottomScripts.newChildId(), "<script type='text/javascript' src='"
 					+ urlFor(new JavascriptResourceReference(this.getClass(), scriptPath)) + "'></script>\n");
 			bottomScripts.add(script.setEscapeModelStrings(false).setRenderBodyOnly(true));
 		}
 	}

 	/**
 	 * Adds a HTML script element containing the given code.
 	 *
 	 * @param code
 	 *            inline script code
 	 */
 	protected void addBottomScriptInline(String code) {
 		Component bottomScriptContainer = get("bottomScripts");
 		if (bottomScriptContainer instanceof RepeatingView) {
 			// Always true.
 			RepeatingView bottomScripts = (RepeatingView) bottomScriptContainer;
 			Label script = new Label(bottomScripts.newChildId(),
 					"<script type='text/javascript'>/*<![CDATA[*/\n" + code + "\n//]]>\n</script>\n");
 			bottomScripts.add(script.setEscapeModelStrings(false).setRenderBodyOnly(true));
 		}
 	}

 }
	/*
	* Copyright 2011 gitblit.com.
	*
	* 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
	*
	* http://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 com.gitblit.wicket.pages;

	import java.io.IOException;
	import java.io.InputStream;
	import java.text.MessageFormat;
	import java.util.ArrayList;
	import java.util.Calendar;
	import java.util.Collections;
	import java.util.Date;
	import java.util.HashSet;
	import java.util.LinkedHashMap;
	import java.util.List;
	import java.util.Map;
	import java.util.ResourceBundle;
	import java.util.Set;
	import java.util.TimeZone;
	import java.util.regex.Pattern;

	import javax.servlet.http.HttpServletRequest;

	import org.apache.commons.io.IOUtils;
	import org.apache.wicket.Application;
	import org.apache.wicket.Component;
	import org.apache.wicket.Page;
	import org.apache.wicket.PageParameters;
	import org.apache.wicket.RedirectToUrlException;
	import org.apache.wicket.markup.html.CSSPackageResource;
	import org.apache.wicket.markup.html.basic.Label;
	import org.apache.wicket.markup.html.link.ExternalLink;
	import org.apache.wicket.markup.html.panel.FeedbackPanel;
	import org.apache.wicket.markup.html.resources.JavascriptResourceReference;
	import org.apache.wicket.markup.repeater.RepeatingView;
	import org.apache.wicket.protocol.http.RequestUtils;
	import org.apache.wicket.protocol.http.WebResponse;
	import org.apache.wicket.protocol.http.servlet.ServletWebRequest;
	import org.apache.wicket.request.target.basic.RedirectRequestTarget;
	import org.apache.wicket.util.time.Duration;
	import org.apache.wicket.util.time.Time;
	import org.slf4j.Logger;
	import org.slf4j.LoggerFactory;

	import com.gitblit.Constants;
	import com.gitblit.Constants.AccessPermission;
	import com.gitblit.Constants.AccessRestrictionType;
	import com.gitblit.Constants.AuthorizationControl;
	import com.gitblit.Constants.FederationStrategy;
	import com.gitblit.Keys;
	import com.gitblit.models.ProjectModel;
	import com.gitblit.models.TeamModel;
	import com.gitblit.models.UserModel;
	import com.gitblit.utils.StringUtils;
	import com.gitblit.utils.TimeUtils;
	import com.gitblit.wicket.CacheControl;
	import com.gitblit.wicket.GitBlitWebApp;
	import com.gitblit.wicket.GitBlitWebSession;
	import com.gitblit.wicket.WicketUtils;

	public abstract class BasePage extends SessionPage {

	private transient Logger logger;

	private transient TimeUtils timeUtils;

	public BasePage() {
	super();
	add(new RepeatingView("bottomScripts").setRenderBodyOnly(true));
	customizeHeader();
	}

	public BasePage(PageParameters params) {
	super(params);
	add(new RepeatingView("bottomScripts").setRenderBodyOnly(true));
	customizeHeader();
	}

	protected Logger logger() {
	if (logger == null) {
	logger = LoggerFactory.getLogger(getClass());
	}
	return logger;
	}

	private void customizeHeader() {
	if (app().settings().getBoolean(Keys.web.useResponsiveLayout, true)) {
	add(CSSPackageResource.getHeaderContribution("bootstrap/css/bootstrap-responsive.css"));
	}
	if (app().settings().getBoolean(Keys.web.hideHeader, false)) {
	add(CSSPackageResource.getHeaderContribution("hideheader.css"));
	}
	}

	protected String getContextUrl() {
	return getRequest().getRelativePathPrefixToContextRoot();
	}

	protected String getCanonicalUrl() {
	return getCanonicalUrl(getClass(), getPageParameters());
	}

	protected String getCanonicalUrl(Class<? extends BasePage> clazz, PageParameters params) {
	String relativeUrl = urlFor(clazz, params).toString();
	String canonicalUrl = RequestUtils.toAbsolutePath(relativeUrl);
	return canonicalUrl;
	}

	protected void redirectTo(Class<? extends BasePage> pageClass) {
	redirectTo(pageClass, null);
	}

	protected void redirectTo(Class<? extends BasePage> pageClass, PageParameters parameters) {
	String absoluteUrl = getCanonicalUrl(pageClass, parameters);
	getRequestCycle().setRequestTarget(new RedirectRequestTarget(absoluteUrl));
	}

	protected String getLanguageCode() {
	return GitBlitWebSession.get().getLocale().getLanguage();
	}

	protected String getCountryCode() {
	return GitBlitWebSession.get().getLocale().getCountry().toLowerCase();
	}

	protected TimeUtils getTimeUtils() {
	if (timeUtils == null) {
	ResourceBundle bundle;
	try {
	bundle = ResourceBundle.getBundle("com.gitblit.wicket.GitBlitWebApp", GitBlitWebSession.get().getLocale());
	} catch (Throwable t) {
	bundle = ResourceBundle.getBundle("com.gitblit.wicket.GitBlitWebApp");
	}
	timeUtils = new TimeUtils(bundle, getTimeZone());
	}
	return timeUtils;
	}

	@Override
	protected void onBeforeRender() {
	if (app().isDebugMode()) {
	// strip Wicket tags in debug mode for jQuery DOM traversal
	Application.get().getMarkupSettings().setStripWicketTags(true);
	}
	super.onBeforeRender();
	}

	@Override
	protected void onAfterRender() {
	if (app().isDebugMode()) {
	// restore Wicket debug tags
	Application.get().getMarkupSettings().setStripWicketTags(false);
	}
	super.onAfterRender();
	}

	@Override
	protected void setHeaders(WebResponse response) {
	// set canonical link as http header for SEO (issue-304)
	// https://support.google.com/webmasters/answer/139394?hl=en
	response.setHeader("Link", MessageFormat.format("<{0}>; rel=\"canonical\"", getCanonicalUrl()));
	int expires = app().settings().getInteger(Keys.web.pageCacheExpires, 0);
	if (expires > 0) {
	// pages are personalized for the authenticated user so they must be
	// marked private to prohibit proxy servers from caching them
	response.setHeader("Cache-Control", "private, must-revalidate");
	setLastModified();
	} else {
	// use default Wicket caching behavior
	super.setHeaders(response);
	}

	// XRF vulnerability. issue-500 / ticket-166
	response.setHeader("X-Frame-Options", "SAMEORIGIN");
	}

	/**
	* Sets the last-modified header date, if appropriate, for this page. The
	* date used is determined by the CacheControl annotation.
	*
	*/
	protected void setLastModified() {
	if (getClass().isAnnotationPresent(CacheControl.class)) {
	CacheControl cacheControl = getClass().getAnnotation(CacheControl.class);
	switch (cacheControl.value()) {
	case ACTIVITY:
	setLastModified(app().getLastActivityDate());
	break;
	case BOOT:
	setLastModified(app().getBootDate());
	break;
	case NONE:
	break;
	default:
	logger().warn(getClass().getSimpleName() + ": unhandled LastModified type " + cacheControl.value());
	break;
	}
	}
	}

	/**
	* Sets the last-modified header field and the expires field.
	*
	* @param when
	*/
	protected final void setLastModified(Date when) {
	if (when == null) {
	return;
	}

	if (when.before(app().getBootDate())) {
	// last-modified can not be before the Gitblit boot date
	// this helps ensure that pages are properly refreshed after a
	// server config change
	when = app().getBootDate();
	}

	int expires = app().settings().getInteger(Keys.web.pageCacheExpires, 0);
	WebResponse response = (WebResponse) getResponse();
	response.setLastModifiedTime(Time.valueOf(when));
	response.setDateHeader("Expires", System.currentTimeMillis() + Duration.minutes(expires).getMilliseconds());
	}

	protected String getPageTitle(String repositoryName) {
	String siteName = app().settings().getString(Keys.web.siteName, Constants.NAME);
	if (StringUtils.isEmpty(siteName)) {
	siteName = Constants.NAME;
	}
	if (repositoryName != null && repositoryName.trim().length() > 0) {
	return repositoryName + " - " + siteName;
	} else {
	return siteName;
	}
	}

	protected void setupPage(String repositoryName, String pageName) {
	add(new Label("title", getPageTitle(repositoryName)));

	String rootLinkUrl = app().settings().getString(Keys.web.rootLink, urlFor(GitBlitWebApp.get().getHomePage(), null).toString());
	ExternalLink rootLink = new ExternalLink("rootLink", rootLinkUrl);
	WicketUtils.setHtmlTooltip(rootLink, app().settings().getString(Keys.web.siteName, Constants.NAME));
	add(rootLink);

	// Feedback panel for info, warning, and non-fatal error messages
	add(new FeedbackPanel("feedback"));

	add(new Label("gbVersion", "v" + Constants.getVersion()));
	if (app().settings().getBoolean(Keys.web.aggressiveHeapManagement, false)) {
	System.gc();
	}
	}

	protected Map<AccessRestrictionType, String> getAccessRestrictions() {
	Map<AccessRestrictionType, String> map = new LinkedHashMap<AccessRestrictionType, String>();
	for (AccessRestrictionType type : AccessRestrictionType.values()) {
	switch (type) {
	case NONE:
	map.put(type, getString("gb.notRestricted"));
	break;
	case PUSH:
	map.put(type, getString("gb.pushRestricted"));
	break;
	case CLONE:
	map.put(type, getString("gb.cloneRestricted"));
	break;
	case VIEW:
	map.put(type, getString("gb.viewRestricted"));
	break;
	}
	}
	return map;
	}

	protected Map<AccessPermission, String> getAccessPermissions() {
	Map<AccessPermission, String> map = new LinkedHashMap<AccessPermission, String>();
	for (AccessPermission type : AccessPermission.values()) {
	switch (type) {
	case NONE:
	map.put(type, MessageFormat.format(getString("gb.noPermission"), type.code));
	break;
	case EXCLUDE:
	map.put(type, MessageFormat.format(getString("gb.excludePermission"), type.code));
	break;
	case VIEW:
	map.put(type, MessageFormat.format(getString("gb.viewPermission"), type.code));
	break;
	case CLONE:
	map.put(type, MessageFormat.format(getString("gb.clonePermission"), type.code));
	break;
	case PUSH:
	map.put(type, MessageFormat.format(getString("gb.pushPermission"), type.code));
	break;
	case CREATE:
	map.put(type, MessageFormat.format(getString("gb.createPermission"), type.code));
	break;
	case DELETE:
	map.put(type, MessageFormat.format(getString("gb.deletePermission"), type.code));
	break;
	case REWIND:
	map.put(type, MessageFormat.format(getString("gb.rewindPermission"), type.code));
	break;
	}
	}
	return map;
	}

	protected Map<FederationStrategy, String> getFederationTypes() {
	Map<FederationStrategy, String> map = new LinkedHashMap<FederationStrategy, String>();
	for (FederationStrategy type : FederationStrategy.values()) {
	switch (type) {
	case EXCLUDE:
	map.put(type, getString("gb.excludeFromFederation"));
	break;
	case FEDERATE_THIS:
	map.put(type, getString("gb.federateThis"));
	break;
	case FEDERATE_ORIGIN:
	map.put(type, getString("gb.federateOrigin"));
	break;
	}
	}
	return map;
	}

	protected Map<AuthorizationControl, String> getAuthorizationControls() {
	Map<AuthorizationControl, String> map = new LinkedHashMap<AuthorizationControl, String>();
	for (AuthorizationControl type : AuthorizationControl.values()) {
	switch (type) {
	case AUTHENTICATED:
	map.put(type, getString("gb.allowAuthenticatedDescription"));
	break;
	case NAMED:
	map.put(type, getString("gb.allowNamedDescription"));
	break;
	}
	}
	return map;
	}

	protected TimeZone getTimeZone() {
	return app().settings().getBoolean(Keys.web.useClientTimezone, false) ? GitBlitWebSession.get()
	.getTimezone() : app().getTimezone();
	}

	protected String getServerName() {
	ServletWebRequest servletWebRequest = (ServletWebRequest) getRequest();
	HttpServletRequest req = servletWebRequest.getHttpServletRequest();
	return req.getServerName();
	}

	protected List<ProjectModel> getProjectModels() {
	final UserModel user = GitBlitWebSession.get().getUser();
	List<ProjectModel> projects = app().projects().getProjectModels(user, true);
	return projects;
	}

	protected List<ProjectModel> getProjects(PageParameters params) {
	if (params == null) {
	return getProjectModels();
	}

	boolean hasParameter = false;
	String regex = WicketUtils.getRegEx(params);
	String team = WicketUtils.getTeam(params);
	int daysBack = params.getInt("db", 0);
	int maxDaysBack = app().settings().getInteger(Keys.web.activityDurationMaximum, 30);

	List<ProjectModel> availableModels = getProjectModels();
	Set<ProjectModel> models = new HashSet<ProjectModel>();

	if (!StringUtils.isEmpty(regex)) {
	// filter the projects by the regex
	hasParameter = true;
	Pattern pattern = Pattern.compile(regex);
	for (ProjectModel model : availableModels) {
	if (pattern.matcher(model.name).find()) {
	models.add(model);
	}
	}
	}

	if (!StringUtils.isEmpty(team)) {
	// filter the projects by the specified teams
	hasParameter = true;
	List<String> teams = StringUtils.getStringsFromValue(team, ",");

	// need TeamModels first
	List<TeamModel> teamModels = new ArrayList<TeamModel>();
	for (String name : teams) {
	TeamModel teamModel = app().users().getTeamModel(name);
	if (teamModel != null) {
	teamModels.add(teamModel);
	}
	}

	// brute-force our way through finding the matching models
	for (ProjectModel projectModel : availableModels) {
	for (String repositoryName : projectModel.repositories) {
	for (TeamModel teamModel : teamModels) {
	if (teamModel.hasRepositoryPermission(repositoryName)) {
	models.add(projectModel);
	}
	}
	}
	}
	}

	if (!hasParameter) {
	models.addAll(availableModels);
	}

	// time-filter the list
	if (daysBack > 0) {
	if (maxDaysBack > 0 && daysBack > maxDaysBack) {
	daysBack = maxDaysBack;
	}
	Calendar cal = Calendar.getInstance();
	cal.set(Calendar.HOUR_OF_DAY, 0);
	cal.set(Calendar.MINUTE, 0);
	cal.set(Calendar.SECOND, 0);
	cal.set(Calendar.MILLISECOND, 0);
	cal.add(Calendar.DATE, -1 * daysBack);
	Date threshold = cal.getTime();
	Set<ProjectModel> timeFiltered = new HashSet<ProjectModel>();
	for (ProjectModel model : models) {
	if (model.lastChange.after(threshold)) {
	timeFiltered.add(model);
	}
	}
	models = timeFiltered;
	}

	List<ProjectModel> list = new ArrayList<ProjectModel>(models);
	Collections.sort(list);
	return list;
	}

	public void warn(String message, Throwable t) {
	logger().warn(message, t);
	}

	public void error(String message, boolean redirect) {
	error(message, null, redirect ? getApplication().getHomePage() : null);
	}

	public void error(String message, Throwable t, boolean redirect) {
	error(message, t, getApplication().getHomePage());
	}

	public void error(String message, Throwable t, Class<? extends Page> toPage) {
	error(message, t, toPage, null);
	}

	public void error(String message, Throwable t, Class<? extends Page> toPage, PageParameters params) {
	if (t == null) {
	logger().error(message + " for " + GitBlitWebSession.get().getUsername());
	} else {
	logger().error(message + " for " + GitBlitWebSession.get().getUsername(), t);
	}
	if (toPage != null) {
	GitBlitWebSession.get().cacheErrorMessage(message);
	String relativeUrl = urlFor(toPage, params).toString();
	String absoluteUrl = RequestUtils.toAbsolutePath(relativeUrl);
	throw new RedirectToUrlException(absoluteUrl);
	} else {
	super.error(message);
	}
	}

	public void authenticationError(String message) {
	logger().error(getRequest().getURL() + " for " + GitBlitWebSession.get().getUsername());
	if (!GitBlitWebSession.get().isLoggedIn()) {
	// cache the request if we have not authenticated.
	// the request will continue after authentication.
	GitBlitWebSession.get().cacheRequest(getClass());
	}
	error(message, true);
	}

	protected String readResource(String resource) {
	StringBuilder sb = new StringBuilder();
	InputStream is = null;
	try {
	is = getClass().getResourceAsStream(resource);
	List<String> lines = IOUtils.readLines(is);
	for (String line : lines) {
	sb.append(line).append('\n');
	}
	} catch (IOException e) {

	} finally {
	if (is != null) {
	try {
	is.close();
	} catch (IOException e) {
	}
	}
	}
	return sb.toString();
	}

	/**
	* Adds a HTML script element loading the javascript designated by the given path.
	*
	* @param scriptPath
	* page-relative path to the Javascript resource; normally starts with "scripts/"
	*/
	protected void addBottomScript(String scriptPath) {
	Component bottomScriptContainer = get("bottomScripts");
	if (bottomScriptContainer instanceof RepeatingView) {
	// Always true.
	RepeatingView bottomScripts = (RepeatingView) bottomScriptContainer;
	Label script = new Label(bottomScripts.newChildId(), "<script type='text/javascript' src='"
	+ urlFor(new JavascriptResourceReference(this.getClass(), scriptPath)) + "'></script>\n");
	bottomScripts.add(script.setEscapeModelStrings(false).setRenderBodyOnly(true));
	}
	}

	/**
	* Adds a HTML script element containing the given code.
	*
	* @param code
	* inline script code
	*/
	protected void addBottomScriptInline(String code) {
	Component bottomScriptContainer = get("bottomScripts");
	if (bottomScriptContainer instanceof RepeatingView) {
	// Always true.
	RepeatingView bottomScripts = (RepeatingView) bottomScriptContainer;
	Label script = new Label(bottomScripts.newChildId(),
	"<script type='text/javascript'>/<![CDATA[/\n" + code + "\n//]]>\n</script>\n");
	bottomScripts.add(script.setEscapeModelStrings(false).setRenderBodyOnly(true));
	}
	}

	}