src/main/java/com/gitblit/wicket/pages/RootPage.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.text.MessageFormat;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Calendar;
 import java.util.Collections;
 import java.util.Date;
 import java.util.HashMap;
 import java.util.HashSet;
 import java.util.LinkedHashSet;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
 import java.util.TreeSet;
 import java.util.concurrent.atomic.AtomicInteger;
 import java.util.regex.Pattern;

 import org.apache.wicket.MarkupContainer;
 import org.apache.wicket.PageParameters;
 import org.apache.wicket.behavior.HeaderContributor;
 import org.apache.wicket.markup.html.IHeaderContributor;
 import org.apache.wicket.markup.html.IHeaderResponse;
 import org.apache.wicket.markup.html.basic.Label;
 import org.apache.wicket.markup.html.form.PasswordTextField;
 import org.apache.wicket.markup.html.form.TextField;
 import org.apache.wicket.markup.html.link.BookmarkablePageLink;
 import org.apache.wicket.markup.html.panel.Fragment;
 import org.apache.wicket.model.IModel;
 import org.apache.wicket.model.Model;
 import org.apache.wicket.protocol.http.WebResponse;

 import com.gitblit.Constants;
 import com.gitblit.Keys;
 import com.gitblit.models.RepositoryModel;
 import com.gitblit.models.TeamModel;
 import com.gitblit.models.UserModel;
 import com.gitblit.utils.ModelUtils;
 import com.gitblit.utils.StringUtils;
 import com.gitblit.wicket.GitBlitWebSession;
 import com.gitblit.wicket.PageRegistration;
 import com.gitblit.wicket.PageRegistration.DropDownMenuItem;
 import com.gitblit.wicket.PageRegistration.DropDownToggleItem;
 import com.gitblit.wicket.SessionlessForm;
 import com.gitblit.wicket.WicketUtils;
 import com.gitblit.wicket.panels.GravatarImage;
 import com.gitblit.wicket.panels.NavigationPanel;

 /**
  * Root page is a topbar, navigable page like Repositories, Users, or
  * Federation.
  *
  * @author James Moger
  *
  */
 public abstract class RootPage extends BasePage {

 	boolean showAdmin;

 	IModel<String> username = new Model<String>("");
 	IModel<String> password = new Model<String>("");
 	List<RepositoryModel> repositoryModels = new ArrayList<RepositoryModel>();

 	public RootPage() {
 		super();
 	}

 	public RootPage(PageParameters params) {
 		super(params);
 	}

 	@Override
 	protected void setupPage(String repositoryName, String pageName) {

 		// CSS header overrides
 		add(new HeaderContributor(new IHeaderContributor() {
 			private static final long serialVersionUID = 1L;

 			@Override
 			public void renderHead(IHeaderResponse response) {
 				StringBuilder buffer = new StringBuilder();
 				buffer.append("<style type=\"text/css\">\n");
 				buffer.append(".navbar-inner {\n");
 				final String headerBackground = app().settings().getString(Keys.web.headerBackgroundColor, null);
 				if (!StringUtils.isEmpty(headerBackground)) {
 					buffer.append(MessageFormat.format("background-color: {0};\n", headerBackground));
 				}
 				final String headerBorder = app().settings().getString(Keys.web.headerBorderColor, null);
 				if (!StringUtils.isEmpty(headerBorder)) {
 					buffer.append(MessageFormat.format("border-bottom: 1px solid {0} !important;\n", headerBorder));
 				}
 				buffer.append("}\n");
 				final String headerBorderFocus = app().settings().getString(Keys.web.headerBorderFocusColor, null);
 				if (!StringUtils.isEmpty(headerBorderFocus)) {
 					buffer.append(".navbar ul li:focus, .navbar .active {\n");
 					buffer.append(MessageFormat.format("border-bottom: 4px solid {0};\n", headerBorderFocus));
 					buffer.append("}\n");
 				}
 				final String headerForeground = app().settings().getString(Keys.web.headerForegroundColor, null);
 				if (!StringUtils.isEmpty(headerForeground)) {
 					buffer.append(".navbar ul.nav li a {\n");
 					buffer.append(MessageFormat.format("color: {0};\n", headerForeground));
 					buffer.append("}\n");
 					buffer.append(".navbar ul.nav .active a {\n");
 					buffer.append(MessageFormat.format("color: {0};\n", headerForeground));
 					buffer.append("}\n");
 				}
 				final String headerHover = app().settings().getString(Keys.web.headerHoverColor, null);
 				if (!StringUtils.isEmpty(headerHover)) {
 					buffer.append(".navbar ul.nav li a:hover {\n");
 					buffer.append(MessageFormat.format("color: {0} !important;\n", headerHover));
 					buffer.append("}\n");
 				}
 				buffer.append("</style>\n");
 				response.renderString(buffer.toString());
 				}
 			}));

 		boolean authenticateView = app().settings().getBoolean(Keys.web.authenticateViewPages, false);
 		boolean authenticateAdmin = app().settings().getBoolean(Keys.web.authenticateAdminPages, true);
 		boolean allowAdmin = app().settings().getBoolean(Keys.web.allowAdministration, true);

 		if (authenticateAdmin) {
 			showAdmin = allowAdmin && GitBlitWebSession.get().canAdmin();
 			// authentication requires state and session
 			setStatelessHint(false);
 		} else {
 			showAdmin = allowAdmin;
 			if (authenticateView) {
 				// authentication requires state and session
 				setStatelessHint(false);
 			} else {
 				// no authentication required, no state and no session required
 				setStatelessHint(true);
 			}
 		}

 		if (authenticateView || authenticateAdmin) {
 			if (GitBlitWebSession.get().isLoggedIn()) {
 				UserMenu userFragment = new UserMenu("userPanel", "userMenuFragment", RootPage.this);
 				add(userFragment);
 			} else {
 				LoginForm loginForm = new LoginForm("userPanel", "loginFormFragment", RootPage.this);
 				add(loginForm);
 			}
 		} else {
 			add(new Label("userPanel").setVisible(false));
 		}

 		boolean showRegistrations = app().federation().canFederate()
 				&& app().settings().getBoolean(Keys.web.showFederationRegistrations, false);

 		// navigation links
 		List<PageRegistration> pages = new ArrayList<PageRegistration>();
 		if (!authenticateView || (authenticateView && GitBlitWebSession.get().isLoggedIn())) {
 			pages.add(new PageRegistration(GitBlitWebSession.get().isLoggedIn() ? "gb.myDashboard" : "gb.dashboard", MyDashboardPage.class,
 					getRootPageParameters()));
 			pages.add(new PageRegistration("gb.repositories", RepositoriesPage.class,
 					getRootPageParameters()));
 			pages.add(new PageRegistration("gb.activity", ActivityPage.class, getRootPageParameters()));
 			if (app().settings().getBoolean(Keys.web.allowLuceneIndexing, true)) {
 				pages.add(new PageRegistration("gb.search", LuceneSearchPage.class));
 			}
 			if (showAdmin) {
 				pages.add(new PageRegistration("gb.users", UsersPage.class));
 			}
 			if (showAdmin || showRegistrations) {
 				pages.add(new PageRegistration("gb.federation", FederationPage.class));
 			}

 			if (!authenticateView || (authenticateView && GitBlitWebSession.get().isLoggedIn())) {
 				addDropDownMenus(pages);
 			}
 		}

 		NavigationPanel navPanel = new NavigationPanel("navPanel", getRootNavPageClass(), pages);
 		add(navPanel);

 		// display an error message cached from a redirect
 		String cachedMessage = GitBlitWebSession.get().clearErrorMessage();
 		if (!StringUtils.isEmpty(cachedMessage)) {
 			error(cachedMessage);
 		} else if (showAdmin) {
 			int pendingProposals = app().federation().getPendingFederationProposals().size();
 			if (pendingProposals == 1) {
 				info(getString("gb.OneProposalToReview"));
 			} else if (pendingProposals > 1) {
 				info(MessageFormat.format(getString("gb.nFederationProposalsToReview"),
 						pendingProposals));
 			}
 		}

 		super.setupPage(repositoryName, pageName);
 	}

 	protected Class<? extends BasePage> getRootNavPageClass() {
 		return getClass();
 	}

 	private PageParameters getRootPageParameters() {
 		if (reusePageParameters()) {
 			PageParameters pp = getPageParameters();
 			if (pp != null) {
 				PageParameters params = new PageParameters(pp);
 				// remove named project parameter
 				params.remove("p");

 				// remove named repository parameter
 				params.remove("r");

 				// remove named user parameter
 				params.remove("user");

 				// remove days back parameter if it is the default value
 				if (params.containsKey("db")
 						&& params.getInt("db") == app().settings().getInteger(Keys.web.activityDuration, 7)) {
 					params.remove("db");
 				}
 				return params;
 			}
 		}
 		return null;
 	}

 	protected boolean reusePageParameters() {
 		return false;
 	}

 	private void loginUser(UserModel user) {
 		if (user != null) {
 			// Set the user into the session
 			GitBlitWebSession session = GitBlitWebSession.get();
 			// issue 62: fix session fixation vulnerability
 			session.replaceSession();
 			session.setUser(user);

 			// Set Cookie
 			if (app().settings().getBoolean(Keys.web.allowCookieAuthentication, false)) {
 				WebResponse response = (WebResponse) getRequestCycle().getResponse();
 				app().authentication().setCookie(response.getHttpServletResponse(), user);
 			}

 			if (!session.continueRequest()) {
 				PageParameters params = getPageParameters();
 				if (params == null) {
 					// redirect to this page
 					setResponsePage(getClass());
 				} else {
 					// Strip username and password and redirect to this page
 					params.remove("username");
 					params.remove("password");
 					setResponsePage(getClass(), params);
 				}
 			}
 		}
 	}

 	protected List<RepositoryModel> getRepositoryModels() {
 		if (repositoryModels.isEmpty()) {
 			final UserModel user = GitBlitWebSession.get().getUser();
 			List<RepositoryModel> repositories = app().repositories().getRepositoryModels(user);
 			repositoryModels.addAll(repositories);
 			Collections.sort(repositoryModels);
 		}
 		return repositoryModels;
 	}

 	protected void addDropDownMenus(List<PageRegistration> pages) {

 	}

 	protected List<DropDownMenuItem> getRepositoryFilterItems(PageParameters params) {
 		final UserModel user = GitBlitWebSession.get().getUser();
 		Set<DropDownMenuItem> filters = new LinkedHashSet<DropDownMenuItem>();
 		List<RepositoryModel> repositories = getRepositoryModels();

 		// accessible repositories by federation set
 		Map<String, AtomicInteger> setMap = new HashMap<String, AtomicInteger>();
 		for (RepositoryModel repository : repositories) {
 			for (String set : repository.federationSets) {
 				String key = set.toLowerCase();
 				if (setMap.containsKey(key)) {
 					setMap.get(key).incrementAndGet();
 				} else {
 					setMap.put(key, new AtomicInteger(1));
 				}
 			}
 		}
 		if (setMap.size() > 0) {
 			List<String> sets = new ArrayList<String>(setMap.keySet());
 			Collections.sort(sets);
 			for (String set : sets) {
 				filters.add(new DropDownToggleItem(MessageFormat.format("{0} ({1})", set,
 						setMap.get(set).get()), "set", set, params));
 			}
 			// divider
 			filters.add(new DropDownMenuItem());
 		}

 		// user's team memberships
 		if (user != null && user.teams.size() > 0) {
 			List<TeamModel> teams = new ArrayList<TeamModel>(user.teams);
 			Collections.sort(teams);
 			for (TeamModel team : teams) {
 				filters.add(new DropDownToggleItem(MessageFormat.format("{0} ({1})", team.name,
 						team.repositories.size()), "team", team.name, params));
 			}
 			// divider
 			filters.add(new DropDownMenuItem());
 		}

 		// custom filters
 		String customFilters = app().settings().getString(Keys.web.customFilters, null);
 		if (!StringUtils.isEmpty(customFilters)) {
 			boolean addedExpression = false;
 			List<String> expressions = StringUtils.getStringsFromValue(customFilters, "!!!");
 			for (String expression : expressions) {
 				if (!StringUtils.isEmpty(expression)) {
 					addedExpression = true;
 					filters.add(new DropDownToggleItem(null, "x", expression, params));
 				}
 			}
 			// if we added any custom expressions, add a divider
 			if (addedExpression) {
 				filters.add(new DropDownMenuItem());
 			}
 		}
 		return new ArrayList<DropDownMenuItem>(filters);
 	}

 	protected List<DropDownMenuItem> getTimeFilterItems(PageParameters params) {
 		// days back choices - additive parameters
 		int daysBack = app().settings().getInteger(Keys.web.activityDuration, 7);
 		int maxDaysBack = app().settings().getInteger(Keys.web.activityDurationMaximum, 30);
 		if (daysBack < 1) {
 			daysBack = 7;
 		}
 		if (daysBack > maxDaysBack) {
 			daysBack = maxDaysBack;
 		}
 		PageParameters clonedParams;
 		if (params == null) {
 			clonedParams = new PageParameters();
 		} else {
 			clonedParams = new PageParameters(params);
 		}

 		if (!clonedParams.containsKey("db")) {
 			clonedParams.put("db",  daysBack);
 		}

 		List<DropDownMenuItem> items = new ArrayList<DropDownMenuItem>();
 		Set<Integer> choicesSet = new TreeSet<Integer>(app().settings().getIntegers(Keys.web.activityDurationChoices));
 		if (choicesSet.isEmpty()) {
 			 choicesSet.addAll(Arrays.asList(1, 3, 7, 14, 21, 28));
 		}
 		List<Integer> choices = new ArrayList<Integer>(choicesSet);
 		Collections.sort(choices);
 		String lastDaysPattern = getString("gb.lastNDays");
 		for (Integer db : choices) {
 			if (db == 1) {
 				items.add(new DropDownMenuItem(getString("gb.time.today"), "db", db.toString(), clonedParams));
 			} else {
 				String txt = MessageFormat.format(lastDaysPattern, db);
 				items.add(new DropDownMenuItem(txt, "db", db.toString(), clonedParams));
 			}
 		}
 		items.add(new DropDownMenuItem());
 		return items;
 	}

 	protected List<RepositoryModel> getRepositories(PageParameters params) {
 		if (params == null) {
 			return getRepositoryModels();
 		}

 		boolean hasParameter = false;
 		String projectName = WicketUtils.getProjectName(params);
 		String userName = WicketUtils.getUsername(params);
 		if (StringUtils.isEmpty(projectName)) {
 			if (!StringUtils.isEmpty(userName)) {
 				projectName = ModelUtils.getPersonalPath(userName);
 			}
 		}
 		String repositoryName = WicketUtils.getRepositoryName(params);
 		String set = WicketUtils.getSet(params);
 		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<RepositoryModel> availableModels = getRepositoryModels();
 		Set<RepositoryModel> models = new HashSet<RepositoryModel>();

 		if (!StringUtils.isEmpty(repositoryName)) {
 			// try named repository
 			hasParameter = true;
 			for (RepositoryModel model : availableModels) {
 				if (model.name.equalsIgnoreCase(repositoryName)) {
 					models.add(model);
 					break;
 				}
 			}
 		}

 		if (!StringUtils.isEmpty(projectName)) {
 			// try named project
 			hasParameter = true;
 			if (projectName.equalsIgnoreCase(app().settings().getString(Keys.web.repositoryRootGroupName, "main"))) {
 				// root project/group
 				for (RepositoryModel model : availableModels) {
 					if (model.name.indexOf('/') == -1) {
 						models.add(model);
 					}
 				}
 			} else {
 				// named project/group
 				String group = projectName.toLowerCase() + "/";
 				for (RepositoryModel model : availableModels) {
 					if (model.name.toLowerCase().startsWith(group)) {
 						models.add(model);
 					}
 				}
 			}
 		}

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

 		if (!StringUtils.isEmpty(set)) {
 			// filter the repositories by the specified sets
 			hasParameter = true;
 			List<String> sets = StringUtils.getStringsFromValue(set, ",");
 			for (RepositoryModel model : availableModels) {
 				for (String curr : sets) {
 					if (model.federationSets.contains(curr)) {
 						models.add(model);
 					}
 				}
 			}
 		}

 		if (!StringUtils.isEmpty(team)) {
 			// filter the repositories 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 (RepositoryModel repositoryModel : availableModels) {
 				for (TeamModel teamModel : teamModels) {
 					if (teamModel.hasRepositoryPermission(repositoryModel.name)) {
 						models.add(repositoryModel);
 					}
 				}
 			}
 		}

 		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<RepositoryModel> timeFiltered = new HashSet<RepositoryModel>();
 			for (RepositoryModel model : models) {
 				if (model.lastChange.after(threshold)) {
 					timeFiltered.add(model);
 				}
 			}
 			models = timeFiltered;
 		}

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

 	/**
 	 * Inline login form.
 	 */
 	private class LoginForm extends Fragment {
 		private static final long serialVersionUID = 1L;

 		public LoginForm(String id, String markupId, MarkupContainer markupProvider) {
 			super(id, markupId, markupProvider);
 			setRenderBodyOnly(true);

 			SessionlessForm<Void> loginForm = new SessionlessForm<Void>("loginForm", RootPage.this.getClass(), getPageParameters()) {

 				private static final long serialVersionUID = 1L;

 				@Override
 				public void onSubmit() {
 					String username = RootPage.this.username.getObject();
 					char[] password = RootPage.this.password.getObject().toCharArray();

 					UserModel user = app().authentication().authenticate(username, password);
 					if (user == null) {
 						error(getString("gb.invalidUsernameOrPassword"));
 					} else if (user.username.equals(Constants.FEDERATION_USER)) {
 						// disallow the federation user from logging in via the
 						// web ui
 						error(getString("gb.invalidUsernameOrPassword"));
 						user = null;
 					} else {
 						loginUser(user);
 					}
 				}
 			};
 			TextField<String> unameField = new TextField<String>("username", username);
 			WicketUtils.setInputPlaceholder(unameField, markupProvider.getString("gb.username"));
 			loginForm.add(unameField);
 			PasswordTextField pwField = new PasswordTextField("password", password);
 			WicketUtils.setInputPlaceholder(pwField, markupProvider.getString("gb.password"));
 			loginForm.add(pwField);
 			add(loginForm);
 		}
 	}

 	/**
 	 * Menu for the authenticated user.
 	 */
 	class UserMenu extends Fragment {

 		private static final long serialVersionUID = 1L;

 		public UserMenu(String id, String markupId, MarkupContainer markupProvider) {
 			super(id, markupId, markupProvider);
 			setRenderBodyOnly(true);

 			GitBlitWebSession session = GitBlitWebSession.get();
 			UserModel user = session.getUser();
 			boolean editCredentials = app().authentication().supportsCredentialChanges(user);
 			boolean standardLogin = session.authenticationType.isStandard();

 			if (app().settings().getBoolean(Keys.web.allowGravatar, true)) {
 				add(new GravatarImage("username", user.getDisplayName(),
 						user.emailAddress, "navbarGravatar", 20, false, false));
 			} else {
 				add(new Label("username", user.getDisplayName()));
 			}

 			add(new Label("displayName", user.getDisplayName()));

 			add(new BookmarkablePageLink<Void>("newRepository",
 					EditRepositoryPage.class).setVisible(user.canAdmin() || user.canCreate()));

 			add(new BookmarkablePageLink<Void>("myProfile",
 					UserPage.class, WicketUtils.newUsernameParameter(user.username)));

 			add(new BookmarkablePageLink<Void>("changePassword",
 					ChangePasswordPage.class).setVisible(editCredentials));

 			add(new BookmarkablePageLink<Void>("logout",
 					LogoutPage.class).setVisible(standardLogin));
 		}
 	}
 }
	/*
	* 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.text.MessageFormat;
	import java.util.ArrayList;
	import java.util.Arrays;
	import java.util.Calendar;
	import java.util.Collections;
	import java.util.Date;
	import java.util.HashMap;
	import java.util.HashSet;
	import java.util.LinkedHashSet;
	import java.util.List;
	import java.util.Map;
	import java.util.Set;
	import java.util.TreeSet;
	import java.util.concurrent.atomic.AtomicInteger;
	import java.util.regex.Pattern;

	import org.apache.wicket.MarkupContainer;
	import org.apache.wicket.PageParameters;
	import org.apache.wicket.behavior.HeaderContributor;
	import org.apache.wicket.markup.html.IHeaderContributor;
	import org.apache.wicket.markup.html.IHeaderResponse;
	import org.apache.wicket.markup.html.basic.Label;
	import org.apache.wicket.markup.html.form.PasswordTextField;
	import org.apache.wicket.markup.html.form.TextField;
	import org.apache.wicket.markup.html.link.BookmarkablePageLink;
	import org.apache.wicket.markup.html.panel.Fragment;
	import org.apache.wicket.model.IModel;
	import org.apache.wicket.model.Model;
	import org.apache.wicket.protocol.http.WebResponse;

	import com.gitblit.Constants;
	import com.gitblit.Keys;
	import com.gitblit.models.RepositoryModel;
	import com.gitblit.models.TeamModel;
	import com.gitblit.models.UserModel;
	import com.gitblit.utils.ModelUtils;
	import com.gitblit.utils.StringUtils;
	import com.gitblit.wicket.GitBlitWebSession;
	import com.gitblit.wicket.PageRegistration;
	import com.gitblit.wicket.PageRegistration.DropDownMenuItem;
	import com.gitblit.wicket.PageRegistration.DropDownToggleItem;
	import com.gitblit.wicket.SessionlessForm;
	import com.gitblit.wicket.WicketUtils;
	import com.gitblit.wicket.panels.GravatarImage;
	import com.gitblit.wicket.panels.NavigationPanel;

	/**
	* Root page is a topbar, navigable page like Repositories, Users, or
	* Federation.
	*
	* @author James Moger
	*
	*/
	public abstract class RootPage extends BasePage {

	boolean showAdmin;

	IModel<String> username = new Model<String>("");
	IModel<String> password = new Model<String>("");
	List<RepositoryModel> repositoryModels = new ArrayList<RepositoryModel>();

	public RootPage() {
	super();
	}

	public RootPage(PageParameters params) {
	super(params);
	}

	@Override
	protected void setupPage(String repositoryName, String pageName) {

	// CSS header overrides
	add(new HeaderContributor(new IHeaderContributor() {
	private static final long serialVersionUID = 1L;

	@Override
	public void renderHead(IHeaderResponse response) {
	StringBuilder buffer = new StringBuilder();
	buffer.append("<style type=\"text/css\">\n");
	buffer.append(".navbar-inner {\n");
	final String headerBackground = app().settings().getString(Keys.web.headerBackgroundColor, null);
	if (!StringUtils.isEmpty(headerBackground)) {
	buffer.append(MessageFormat.format("background-color: {0};\n", headerBackground));
	}
	final String headerBorder = app().settings().getString(Keys.web.headerBorderColor, null);
	if (!StringUtils.isEmpty(headerBorder)) {
	buffer.append(MessageFormat.format("border-bottom: 1px solid {0} !important;\n", headerBorder));
	}
	buffer.append("}\n");
	final String headerBorderFocus = app().settings().getString(Keys.web.headerBorderFocusColor, null);
	if (!StringUtils.isEmpty(headerBorderFocus)) {
	buffer.append(".navbar ul li:focus, .navbar .active {\n");
	buffer.append(MessageFormat.format("border-bottom: 4px solid {0};\n", headerBorderFocus));
	buffer.append("}\n");
	}
	final String headerForeground = app().settings().getString(Keys.web.headerForegroundColor, null);
	if (!StringUtils.isEmpty(headerForeground)) {
	buffer.append(".navbar ul.nav li a {\n");
	buffer.append(MessageFormat.format("color: {0};\n", headerForeground));
	buffer.append("}\n");
	buffer.append(".navbar ul.nav .active a {\n");
	buffer.append(MessageFormat.format("color: {0};\n", headerForeground));
	buffer.append("}\n");
	}
	final String headerHover = app().settings().getString(Keys.web.headerHoverColor, null);
	if (!StringUtils.isEmpty(headerHover)) {
	buffer.append(".navbar ul.nav li a:hover {\n");
	buffer.append(MessageFormat.format("color: {0} !important;\n", headerHover));
	buffer.append("}\n");
	}
	buffer.append("</style>\n");
	response.renderString(buffer.toString());
	}
	}));

	boolean authenticateView = app().settings().getBoolean(Keys.web.authenticateViewPages, false);
	boolean authenticateAdmin = app().settings().getBoolean(Keys.web.authenticateAdminPages, true);
	boolean allowAdmin = app().settings().getBoolean(Keys.web.allowAdministration, true);

	if (authenticateAdmin) {
	showAdmin = allowAdmin && GitBlitWebSession.get().canAdmin();
	// authentication requires state and session
	setStatelessHint(false);
	} else {
	showAdmin = allowAdmin;
	if (authenticateView) {
	// authentication requires state and session
	setStatelessHint(false);
	} else {
	// no authentication required, no state and no session required
	setStatelessHint(true);
	}
	}

	if (authenticateView \|\| authenticateAdmin) {
	if (GitBlitWebSession.get().isLoggedIn()) {
	UserMenu userFragment = new UserMenu("userPanel", "userMenuFragment", RootPage.this);
	add(userFragment);
	} else {
	LoginForm loginForm = new LoginForm("userPanel", "loginFormFragment", RootPage.this);
	add(loginForm);
	}
	} else {
	add(new Label("userPanel").setVisible(false));
	}

	boolean showRegistrations = app().federation().canFederate()
	&& app().settings().getBoolean(Keys.web.showFederationRegistrations, false);

	// navigation links
	List<PageRegistration> pages = new ArrayList<PageRegistration>();
	if (!authenticateView \|\| (authenticateView && GitBlitWebSession.get().isLoggedIn())) {
	pages.add(new PageRegistration(GitBlitWebSession.get().isLoggedIn() ? "gb.myDashboard" : "gb.dashboard", MyDashboardPage.class,
	getRootPageParameters()));
	pages.add(new PageRegistration("gb.repositories", RepositoriesPage.class,
	getRootPageParameters()));
	pages.add(new PageRegistration("gb.activity", ActivityPage.class, getRootPageParameters()));
	if (app().settings().getBoolean(Keys.web.allowLuceneIndexing, true)) {
	pages.add(new PageRegistration("gb.search", LuceneSearchPage.class));
	}
	if (showAdmin) {
	pages.add(new PageRegistration("gb.users", UsersPage.class));
	}
	if (showAdmin \|\| showRegistrations) {
	pages.add(new PageRegistration("gb.federation", FederationPage.class));
	}

	if (!authenticateView \|\| (authenticateView && GitBlitWebSession.get().isLoggedIn())) {
	addDropDownMenus(pages);
	}
	}

	NavigationPanel navPanel = new NavigationPanel("navPanel", getRootNavPageClass(), pages);
	add(navPanel);

	// display an error message cached from a redirect
	String cachedMessage = GitBlitWebSession.get().clearErrorMessage();
	if (!StringUtils.isEmpty(cachedMessage)) {
	error(cachedMessage);
	} else if (showAdmin) {
	int pendingProposals = app().federation().getPendingFederationProposals().size();
	if (pendingProposals == 1) {
	info(getString("gb.OneProposalToReview"));
	} else if (pendingProposals > 1) {
	info(MessageFormat.format(getString("gb.nFederationProposalsToReview"),
	pendingProposals));
	}
	}

	super.setupPage(repositoryName, pageName);
	}

	protected Class<? extends BasePage> getRootNavPageClass() {
	return getClass();
	}

	private PageParameters getRootPageParameters() {
	if (reusePageParameters()) {
	PageParameters pp = getPageParameters();
	if (pp != null) {
	PageParameters params = new PageParameters(pp);
	// remove named project parameter
	params.remove("p");

	// remove named repository parameter
	params.remove("r");

	// remove named user parameter
	params.remove("user");

	// remove days back parameter if it is the default value
	if (params.containsKey("db")
	&& params.getInt("db") == app().settings().getInteger(Keys.web.activityDuration, 7)) {
	params.remove("db");
	}
	return params;
	}
	}
	return null;
	}

	protected boolean reusePageParameters() {
	return false;
	}

	private void loginUser(UserModel user) {
	if (user != null) {
	// Set the user into the session
	GitBlitWebSession session = GitBlitWebSession.get();
	// issue 62: fix session fixation vulnerability
	session.replaceSession();
	session.setUser(user);

	// Set Cookie
	if (app().settings().getBoolean(Keys.web.allowCookieAuthentication, false)) {
	WebResponse response = (WebResponse) getRequestCycle().getResponse();
	app().authentication().setCookie(response.getHttpServletResponse(), user);
	}

	if (!session.continueRequest()) {
	PageParameters params = getPageParameters();
	if (params == null) {
	// redirect to this page
	setResponsePage(getClass());
	} else {
	// Strip username and password and redirect to this page
	params.remove("username");
	params.remove("password");
	setResponsePage(getClass(), params);
	}
	}
	}
	}

	protected List<RepositoryModel> getRepositoryModels() {
	if (repositoryModels.isEmpty()) {
	final UserModel user = GitBlitWebSession.get().getUser();
	List<RepositoryModel> repositories = app().repositories().getRepositoryModels(user);
	repositoryModels.addAll(repositories);
	Collections.sort(repositoryModels);
	}
	return repositoryModels;
	}

	protected void addDropDownMenus(List<PageRegistration> pages) {

	}

	protected List<DropDownMenuItem> getRepositoryFilterItems(PageParameters params) {
	final UserModel user = GitBlitWebSession.get().getUser();
	Set<DropDownMenuItem> filters = new LinkedHashSet<DropDownMenuItem>();
	List<RepositoryModel> repositories = getRepositoryModels();

	// accessible repositories by federation set
	Map<String, AtomicInteger> setMap = new HashMap<String, AtomicInteger>();
	for (RepositoryModel repository : repositories) {
	for (String set : repository.federationSets) {
	String key = set.toLowerCase();
	if (setMap.containsKey(key)) {
	setMap.get(key).incrementAndGet();
	} else {
	setMap.put(key, new AtomicInteger(1));
	}
	}
	}
	if (setMap.size() > 0) {
	List<String> sets = new ArrayList<String>(setMap.keySet());
	Collections.sort(sets);
	for (String set : sets) {
	filters.add(new DropDownToggleItem(MessageFormat.format("{0} ({1})", set,
	setMap.get(set).get()), "set", set, params));
	}
	// divider
	filters.add(new DropDownMenuItem());
	}

	// user's team memberships
	if (user != null && user.teams.size() > 0) {
	List<TeamModel> teams = new ArrayList<TeamModel>(user.teams);
	Collections.sort(teams);
	for (TeamModel team : teams) {
	filters.add(new DropDownToggleItem(MessageFormat.format("{0} ({1})", team.name,
	team.repositories.size()), "team", team.name, params));
	}
	// divider
	filters.add(new DropDownMenuItem());
	}

	// custom filters
	String customFilters = app().settings().getString(Keys.web.customFilters, null);
	if (!StringUtils.isEmpty(customFilters)) {
	boolean addedExpression = false;
	List<String> expressions = StringUtils.getStringsFromValue(customFilters, "!!!");
	for (String expression : expressions) {
	if (!StringUtils.isEmpty(expression)) {
	addedExpression = true;
	filters.add(new DropDownToggleItem(null, "x", expression, params));
	}
	}
	// if we added any custom expressions, add a divider
	if (addedExpression) {
	filters.add(new DropDownMenuItem());
	}
	}
	return new ArrayList<DropDownMenuItem>(filters);
	}

	protected List<DropDownMenuItem> getTimeFilterItems(PageParameters params) {
	// days back choices - additive parameters
	int daysBack = app().settings().getInteger(Keys.web.activityDuration, 7);
	int maxDaysBack = app().settings().getInteger(Keys.web.activityDurationMaximum, 30);
	if (daysBack < 1) {
	daysBack = 7;
	}
	if (daysBack > maxDaysBack) {
	daysBack = maxDaysBack;
	}
	PageParameters clonedParams;
	if (params == null) {
	clonedParams = new PageParameters();
	} else {
	clonedParams = new PageParameters(params);
	}

	if (!clonedParams.containsKey("db")) {
	clonedParams.put("db", daysBack);
	}

	List<DropDownMenuItem> items = new ArrayList<DropDownMenuItem>();
	Set<Integer> choicesSet = new TreeSet<Integer>(app().settings().getIntegers(Keys.web.activityDurationChoices));
	if (choicesSet.isEmpty()) {
	choicesSet.addAll(Arrays.asList(1, 3, 7, 14, 21, 28));
	}
	List<Integer> choices = new ArrayList<Integer>(choicesSet);
	Collections.sort(choices);
	String lastDaysPattern = getString("gb.lastNDays");
	for (Integer db : choices) {
	if (db == 1) {
	items.add(new DropDownMenuItem(getString("gb.time.today"), "db", db.toString(), clonedParams));
	} else {
	String txt = MessageFormat.format(lastDaysPattern, db);
	items.add(new DropDownMenuItem(txt, "db", db.toString(), clonedParams));
	}
	}
	items.add(new DropDownMenuItem());
	return items;
	}

	protected List<RepositoryModel> getRepositories(PageParameters params) {
	if (params == null) {
	return getRepositoryModels();
	}

	boolean hasParameter = false;
	String projectName = WicketUtils.getProjectName(params);
	String userName = WicketUtils.getUsername(params);
	if (StringUtils.isEmpty(projectName)) {
	if (!StringUtils.isEmpty(userName)) {
	projectName = ModelUtils.getPersonalPath(userName);
	}
	}
	String repositoryName = WicketUtils.getRepositoryName(params);
	String set = WicketUtils.getSet(params);
	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<RepositoryModel> availableModels = getRepositoryModels();
	Set<RepositoryModel> models = new HashSet<RepositoryModel>();

	if (!StringUtils.isEmpty(repositoryName)) {
	// try named repository
	hasParameter = true;
	for (RepositoryModel model : availableModels) {
	if (model.name.equalsIgnoreCase(repositoryName)) {
	models.add(model);
	break;
	}
	}
	}

	if (!StringUtils.isEmpty(projectName)) {
	// try named project
	hasParameter = true;
	if (projectName.equalsIgnoreCase(app().settings().getString(Keys.web.repositoryRootGroupName, "main"))) {
	// root project/group
	for (RepositoryModel model : availableModels) {
	if (model.name.indexOf('/') == -1) {
	models.add(model);
	}
	}
	} else {
	// named project/group
	String group = projectName.toLowerCase() + "/";
	for (RepositoryModel model : availableModels) {
	if (model.name.toLowerCase().startsWith(group)) {
	models.add(model);
	}
	}
	}
	}

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

	if (!StringUtils.isEmpty(set)) {
	// filter the repositories by the specified sets
	hasParameter = true;
	List<String> sets = StringUtils.getStringsFromValue(set, ",");
	for (RepositoryModel model : availableModels) {
	for (String curr : sets) {
	if (model.federationSets.contains(curr)) {
	models.add(model);
	}
	}
	}
	}

	if (!StringUtils.isEmpty(team)) {
	// filter the repositories 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 (RepositoryModel repositoryModel : availableModels) {
	for (TeamModel teamModel : teamModels) {
	if (teamModel.hasRepositoryPermission(repositoryModel.name)) {
	models.add(repositoryModel);
	}
	}
	}
	}

	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<RepositoryModel> timeFiltered = new HashSet<RepositoryModel>();
	for (RepositoryModel model : models) {
	if (model.lastChange.after(threshold)) {
	timeFiltered.add(model);
	}
	}
	models = timeFiltered;
	}

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

	/**
	* Inline login form.
	*/
	private class LoginForm extends Fragment {
	private static final long serialVersionUID = 1L;

	public LoginForm(String id, String markupId, MarkupContainer markupProvider) {
	super(id, markupId, markupProvider);
	setRenderBodyOnly(true);

	SessionlessForm<Void> loginForm = new SessionlessForm<Void>("loginForm", RootPage.this.getClass(), getPageParameters()) {

	private static final long serialVersionUID = 1L;

	@Override
	public void onSubmit() {
	String username = RootPage.this.username.getObject();
	char[] password = RootPage.this.password.getObject().toCharArray();

	UserModel user = app().authentication().authenticate(username, password);
	if (user == null) {
	error(getString("gb.invalidUsernameOrPassword"));
	} else if (user.username.equals(Constants.FEDERATION_USER)) {
	// disallow the federation user from logging in via the
	// web ui
	error(getString("gb.invalidUsernameOrPassword"));
	user = null;
	} else {
	loginUser(user);
	}
	}
	};
	TextField<String> unameField = new TextField<String>("username", username);
	WicketUtils.setInputPlaceholder(unameField, markupProvider.getString("gb.username"));
	loginForm.add(unameField);
	PasswordTextField pwField = new PasswordTextField("password", password);
	WicketUtils.setInputPlaceholder(pwField, markupProvider.getString("gb.password"));
	loginForm.add(pwField);
	add(loginForm);
	}
	}

	/**
	* Menu for the authenticated user.
	*/
	class UserMenu extends Fragment {

	private static final long serialVersionUID = 1L;

	public UserMenu(String id, String markupId, MarkupContainer markupProvider) {
	super(id, markupId, markupProvider);
	setRenderBodyOnly(true);

	GitBlitWebSession session = GitBlitWebSession.get();
	UserModel user = session.getUser();
	boolean editCredentials = app().authentication().supportsCredentialChanges(user);
	boolean standardLogin = session.authenticationType.isStandard();

	if (app().settings().getBoolean(Keys.web.allowGravatar, true)) {
	add(new GravatarImage("username", user.getDisplayName(),
	user.emailAddress, "navbarGravatar", 20, false, false));
	} else {
	add(new Label("username", user.getDisplayName()));
	}

	add(new Label("displayName", user.getDisplayName()));

	add(new BookmarkablePageLink<Void>("newRepository",
	EditRepositoryPage.class).setVisible(user.canAdmin() \|\| user.canCreate()));

	add(new BookmarkablePageLink<Void>("myProfile",
	UserPage.class, WicketUtils.newUsernameParameter(user.username)));

	add(new BookmarkablePageLink<Void>("changePassword",
	ChangePasswordPage.class).setVisible(editCredentials));

	add(new BookmarkablePageLink<Void>("logout",
	LogoutPage.class).setVisible(standardLogin));
	}
	}
	}