From 3b6904b1d92b987e308f5fb3308fec215ba1f1ae Mon Sep 17 00:00:00 2001
From: James Moger <james.moger@gitblit.com>
Date: Tue, 13 Dec 2011 16:51:36 -0500
Subject: [PATCH] Integrated Clippy for a better copy-to-clipboard experience

---
 src/com/gitblit/GitBlit.java |  430 ++++++++++++++++++++++++++++++++++++++++++++++++++++-
 1 files changed, 416 insertions(+), 14 deletions(-)

diff --git a/src/com/gitblit/GitBlit.java b/src/com/gitblit/GitBlit.java
index e86fcf6..13dc3fa 100644
--- a/src/com/gitblit/GitBlit.java
+++ b/src/com/gitblit/GitBlit.java
@@ -15,9 +15,12 @@
  */
 package com.gitblit;
 
+import java.io.BufferedReader;
 import java.io.File;
 import java.io.FileFilter;
 import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
 import java.lang.reflect.Field;
 import java.text.MessageFormat;
 import java.util.ArrayList;
@@ -35,6 +38,7 @@
 
 import javax.mail.Message;
 import javax.mail.MessagingException;
+import javax.servlet.ServletContext;
 import javax.servlet.ServletContextEvent;
 import javax.servlet.ServletContextListener;
 import javax.servlet.http.Cookie;
@@ -59,11 +63,20 @@
 import com.gitblit.Constants.FederationToken;
 import com.gitblit.models.FederationModel;
 import com.gitblit.models.FederationProposal;
+import com.gitblit.models.FederationSet;
+import com.gitblit.models.Metric;
 import com.gitblit.models.RepositoryModel;
+import com.gitblit.models.ServerSettings;
+import com.gitblit.models.ServerStatus;
+import com.gitblit.models.SettingModel;
+import com.gitblit.models.TeamModel;
 import com.gitblit.models.UserModel;
+import com.gitblit.utils.ByteFormat;
 import com.gitblit.utils.FederationUtils;
 import com.gitblit.utils.JGitUtils;
 import com.gitblit.utils.JsonUtils;
+import com.gitblit.utils.MetricUtils;
+import com.gitblit.utils.ObjectCache;
 import com.gitblit.utils.StringUtils;
 
 /**
@@ -95,7 +108,13 @@
 
 	private final Map<String, FederationModel> federationPullResults = new ConcurrentHashMap<String, FederationModel>();
 
+	private final ObjectCache<Long> repositorySizeCache = new ObjectCache<Long>();
+
+	private final ObjectCache<List<Metric>> repositoryMetricsCache = new ObjectCache<List<Metric>>();
+
 	private RepositoryResolver<Void> repositoryResolver;
+
+	private ServletContext servletContext;
 
 	private File repositoriesFolder;
 
@@ -104,6 +123,10 @@
 	private IUserService userService;
 
 	private IStoredSettings settings;
+
+	private ServerSettings settingsModel;
+
+	private ServerStatus serverStatus;
 
 	private MailExecutor mailExecutor;
 
@@ -222,6 +245,71 @@
 	 */
 	public static boolean isDebugMode() {
 		return self().settings.getBoolean(Keys.web.debugMode, false);
+	}
+
+	/**
+	 * Returns the file object for the specified configuration key.
+	 * 
+	 * @return the file
+	 */
+	public static File getFileOrFolder(String key, String defaultFileOrFolder) {
+		String fileOrFolder = GitBlit.getString(key, defaultFileOrFolder);
+		return getFileOrFolder(fileOrFolder);
+	}
+
+	/**
+	 * Returns the file object which may have it's base-path determined by
+	 * environment variables for running on a cloud hosting service. All Gitblit
+	 * file or folder retrievals are (at least initially) funneled through this
+	 * method so it is the correct point to globally override/alter filesystem
+	 * access based on environment or some other indicator.
+	 * 
+	 * @return the file
+	 */
+	public static File getFileOrFolder(String fileOrFolder) {
+		String openShift = System.getenv("OPENSHIFT_DATA_DIR");
+		if (!StringUtils.isEmpty(openShift)) {
+			// running on RedHat OpenShift
+			return new File(openShift, fileOrFolder);
+		}
+		return new File(fileOrFolder);
+	}
+
+	/**
+	 * Returns the path of the repositories folder. This method checks to see if
+	 * Gitblit is running on a cloud service and may return an adjusted path.
+	 * 
+	 * @return the repositories folder path
+	 */
+	public static File getRepositoriesFolder() {
+		return getFileOrFolder(Keys.git.repositoriesFolder, "git");
+	}
+
+	/**
+	 * Returns the path of the proposals folder. This method checks to see if
+	 * Gitblit is running on a cloud service and may return an adjusted path.
+	 * 
+	 * @return the proposals folder path
+	 */
+	public static File getProposalsFolder() {
+		return getFileOrFolder(Keys.federation.proposalsFolder, "proposals");
+	}
+
+	/**
+	 * Updates the list of server settings.
+	 * 
+	 * @param settings
+	 * @return true if the update succeeded
+	 */
+	public boolean updateSettings(Map<String, String> updatedSettings) {
+		return settings.saveSettings(updatedSettings);
+	}
+
+	public ServerStatus getStatus() {
+		// update heap memory status
+		serverStatus.heapAllocated = Runtime.getRuntime().totalMemory();
+		serverStatus.heapFree = Runtime.getRuntime().freeMemory();
+		return serverStatus;
 	}
 
 	/**
@@ -411,9 +499,103 @@
 	 */
 	public void updateUserModel(String username, UserModel user, boolean isCreate)
 			throws GitBlitException {
+		if (!username.equalsIgnoreCase(user.username)) {
+			if (userService.getUserModel(user.username) != null) {
+				throw new GitBlitException(MessageFormat.format(
+						"Failed to rename ''{0}'' because ''{1}'' already exists.", username,
+						user.username));
+			}
+		}
 		if (!userService.updateUserModel(username, user)) {
 			throw new GitBlitException(isCreate ? "Failed to add user!" : "Failed to update user!");
 		}
+	}
+
+	/**
+	 * Returns the list of available teams that a user or repository may be
+	 * assigned to.
+	 * 
+	 * @return the list of teams
+	 */
+	public List<String> getAllTeamnames() {
+		List<String> teams = new ArrayList<String>(userService.getAllTeamNames());
+		Collections.sort(teams);
+		return teams;
+	}
+
+	/**
+	 * Returns the TeamModel object for the specified name.
+	 * 
+	 * @param teamname
+	 * @return a TeamModel object or null
+	 */
+	public TeamModel getTeamModel(String teamname) {
+		return userService.getTeamModel(teamname);
+	}
+
+	/**
+	 * Returns the list of all teams who are allowed to bypass the access
+	 * restriction placed on the specified repository.
+	 * 
+	 * @see IUserService.getTeamnamesForRepositoryRole(String)
+	 * @param repository
+	 * @return list of all teamnames that can bypass the access restriction
+	 */
+	public List<String> getRepositoryTeams(RepositoryModel repository) {
+		return userService.getTeamnamesForRepositoryRole(repository.name);
+	}
+
+	/**
+	 * Sets the list of all uses who are allowed to bypass the access
+	 * restriction placed on the specified repository.
+	 * 
+	 * @see IUserService.setTeamnamesForRepositoryRole(String, List<String>)
+	 * @param repository
+	 * @param teamnames
+	 * @return true if successful
+	 */
+	public boolean setRepositoryTeams(RepositoryModel repository, List<String> repositoryTeams) {
+		return userService.setTeamnamesForRepositoryRole(repository.name, repositoryTeams);
+	}
+	/**
+	 * Updates the TeamModel object for the specified name.
+	 * 
+	 * @param teamname
+	 * @param team
+	 * @param isCreate
+	 */
+	public void updateTeamModel(String teamname, TeamModel team, boolean isCreate) throws GitBlitException {
+		if (!teamname.equalsIgnoreCase(team.name)) {
+			if (userService.getTeamModel(team.name) != null) {
+				throw new GitBlitException(MessageFormat.format(
+						"Failed to rename ''{0}'' because ''{1}'' already exists.", teamname,
+						team.name));
+			}
+		}
+		if (!userService.updateTeamModel(teamname, team)) {
+			throw new GitBlitException(isCreate ? "Failed to add team!" : "Failed to update team!");
+		}
+	}
+	
+	/**
+	 * Delete the team object with the specified teamname
+	 * 
+	 * @see IUserService.deleteTeam(String)
+	 * @param teamname
+	 * @return true if successful
+	 */
+	public boolean deleteTeam(String teamname) {
+		return userService.deleteTeam(teamname);
+	}
+
+	/**
+	 * Clears all the cached data for the specified repository.
+	 * 
+	 * @param repositoryName
+	 */
+	public void clearRepositoryCache(String repositoryName) {
+		repositorySizeCache.remove(repositoryName);
+		repositoryMetricsCache.remove(repositoryName);
 	}
 
 	/**
@@ -468,6 +650,20 @@
 				repositories.add(model);
 			}
 		}
+		if (getBoolean(Keys.web.showRepositorySizes, true)) {
+			int repoCount = 0;
+			long startTime = System.currentTimeMillis();
+			ByteFormat byteFormat = new ByteFormat();
+			for (RepositoryModel model : repositories) {
+				if (!model.skipSizeCalculation) {
+					repoCount++;
+					model.size = byteFormat.format(calculateSize(model));
+				}
+			}
+			long duration = System.currentTimeMillis() - startTime;
+			logger.info(MessageFormat.format("{0} repository sizes calculated in {1} msecs",
+					repoCount, duration));
+		}
 		return repositories;
 	}
 
@@ -485,7 +681,7 @@
 			return null;
 		}
 		if (model.accessRestriction.atLeast(AccessRestrictionType.VIEW)) {
-			if (user != null && user.canAccessRepository(model.name)) {
+			if (user != null && user.canAccessRepository(model)) {
 				return model;
 			}
 			return null;
@@ -521,6 +717,8 @@
 			model.showRemoteBranches = getConfig(config, "showRemoteBranches", false);
 			model.isFrozen = getConfig(config, "isFrozen", false);
 			model.showReadme = getConfig(config, "showReadme", false);
+			model.skipSizeCalculation = getConfig(config, "skipSizeCalculation", false);
+			model.skipSummaryMetrics = getConfig(config, "skipSummaryMetrics", false);
 			model.federationStrategy = FederationStrategy.fromName(getConfig(config,
 					"federationStrategy", null));
 			model.federationSets = new ArrayList<String>(Arrays.asList(config.getStringList(
@@ -533,14 +731,22 @@
 	}
 
 	/**
-	 * Returns the size in bytes of the repository.
+	 * Returns the size in bytes of the repository. Gitblit caches the
+	 * repository sizes to reduce the performance penalty of recursive
+	 * calculation. The cache is updated if the repository has been changed
+	 * since the last calculation.
 	 * 
 	 * @param model
 	 * @return size in bytes
 	 */
 	public long calculateSize(RepositoryModel model) {
+		if (repositorySizeCache.hasCurrent(model.name, model.lastChange)) {
+			return repositorySizeCache.getObject(model.name);
+		}
 		File gitDir = FileKey.resolve(new File(repositoriesFolder, model.name), FS.DETECTED);
-		return com.gitblit.utils.FileUtils.folderSize(gitDir);
+		long size = com.gitblit.utils.FileUtils.folderSize(gitDir);
+		repositorySizeCache.updateObject(model.name, model.lastChange, size);
+		return size;
 	}
 
 	/**
@@ -579,7 +785,26 @@
 	}
 
 	/**
-	 * Returns the gitblit string vlaue for the specified key. If key is not
+	 * Returns the metrics for the default branch of the specified repository.
+	 * This method builds a metrics cache. The cache is updated if the
+	 * repository is updated. A new copy of the metrics list is returned on each
+	 * call so that modifications to the list are non-destructive.
+	 * 
+	 * @param model
+	 * @param repository
+	 * @return a new array list of metrics
+	 */
+	public List<Metric> getRepositoryDefaultMetrics(RepositoryModel model, Repository repository) {
+		if (repositoryMetricsCache.hasCurrent(model.name, model.lastChange)) {
+			return new ArrayList<Metric>(repositoryMetricsCache.getObject(model.name));
+		}
+		List<Metric> metrics = MetricUtils.getDateMetrics(repository, null, true, null);
+		repositoryMetricsCache.updateObject(model.name, model.lastChange, metrics);
+		return new ArrayList<Metric>(metrics);
+	}
+
+	/**
+	 * Returns the gitblit string value for the specified key. If key is not
 	 * set, returns defaultValue.
 	 * 
 	 * @param config
@@ -641,6 +866,15 @@
 		} else {
 			// rename repository
 			if (!repositoryName.equalsIgnoreCase(repository.name)) {
+				if (!repository.name.toLowerCase().endsWith(
+						org.eclipse.jgit.lib.Constants.DOT_GIT_EXT)) {
+					repository.name += org.eclipse.jgit.lib.Constants.DOT_GIT_EXT;
+				}
+				if (new File(repositoriesFolder, repository.name).exists()) {
+					throw new GitBlitException(MessageFormat.format(
+							"Failed to rename ''{0}'' because ''{1}'' already exists.",
+							repositoryName, repository.name));
+				}
 				closeRepository(repositoryName);
 				File folder = new File(repositoriesFolder, repositoryName);
 				File destFolder = new File(repositoriesFolder, repository.name);
@@ -661,6 +895,9 @@
 							"Failed to rename repository permissions ''{0}'' to ''{1}''.",
 							repositoryName, repository.name));
 				}
+
+				// clear the cache
+				clearRepositoryCache(repositoryName);
 			}
 
 			// load repository
@@ -701,6 +938,8 @@
 		config.setBoolean("gitblit", null, "showRemoteBranches", repository.showRemoteBranches);
 		config.setBoolean("gitblit", null, "isFrozen", repository.isFrozen);
 		config.setBoolean("gitblit", null, "showReadme", repository.showReadme);
+		config.setBoolean("gitblit", null, "skipSizeCalculation", repository.skipSizeCalculation);
+		config.setBoolean("gitblit", null, "skipSummaryMetrics", repository.skipSummaryMetrics);
 		config.setStringList("gitblit", null, "federationSets", repository.federationSets);
 		config.setString("gitblit", null, "federationStrategy",
 				repository.federationStrategy.name());
@@ -740,6 +979,9 @@
 					return true;
 				}
 			}
+
+			// clear the repository cache
+			clearRepositoryCache(repositoryName);
 		} catch (Throwable t) {
 			logger.error(MessageFormat.format("Failed to delete repository {0}", repositoryName), t);
 		}
@@ -874,6 +1116,29 @@
 	}
 
 	/**
+	 * Returns the list of federation sets.
+	 * 
+	 * @return list of federation sets
+	 */
+	public List<FederationSet> getFederationSets(String gitblitUrl) {
+		List<FederationSet> list = new ArrayList<FederationSet>();
+		// generate standard tokens
+		for (FederationToken type : FederationToken.values()) {
+			FederationSet fset = new FederationSet(type.toString(), type, getFederationToken(type));
+			fset.repositories = getRepositories(gitblitUrl, fset.token);
+			list.add(fset);
+		}
+		// generate tokens for federation sets
+		for (String set : settings.getStrings(Keys.federation.sets)) {
+			FederationSet fset = new FederationSet(set, FederationToken.REPOSITORIES,
+					getFederationToken(set));
+			fset.repositories = getRepositories(gitblitUrl, fset.token);
+			list.add(fset);
+		}
+		return list;
+	}
+
+	/**
 	 * Returns the list of possible federation tokens for this Gitblit instance.
 	 * 
 	 * @return list of federation tokens
@@ -928,6 +1193,7 @@
 		case PULL_REPOSITORIES:
 			return token.equals(all) || token.equals(unr) || token.equals(jur);
 		case PULL_USERS:
+		case PULL_TEAMS:
 			return token.equals(all) || token.equals(unr);
 		case PULL_SETTINGS:
 			return token.equals(all);
@@ -981,8 +1247,7 @@
 
 		try {
 			// make the proposals folder
-			File proposalsFolder = new File(getString(Keys.federation.proposalsFolder, "proposals")
-					.trim());
+			File proposalsFolder = getProposalsFolder();
 			proposalsFolder.mkdirs();
 
 			// cache json to a file
@@ -1014,7 +1279,7 @@
 	 */
 	public List<FederationProposal> getPendingFederationProposals() {
 		List<FederationProposal> list = new ArrayList<FederationProposal>();
-		File folder = new File(getString(Keys.federation.proposalsFolder, "proposals").trim());
+		File folder = getProposalsFolder();
 		if (folder.exists()) {
 			File[] files = folder.listFiles(new FileFilter() {
 				@Override
@@ -1025,7 +1290,8 @@
 			});
 			for (File file : files) {
 				String json = com.gitblit.utils.FileUtils.readContent(file, null);
-				FederationProposal proposal = JsonUtils.fromJsonString(json, FederationProposal.class);
+				FederationProposal proposal = JsonUtils.fromJsonString(json,
+						FederationProposal.class);
 				list.add(proposal);
 			}
 		}
@@ -1136,7 +1402,7 @@
 	 * @return true if the proposal was deleted
 	 */
 	public boolean deletePendingFederationProposal(FederationProposal proposal) {
-		File folder = new File(getString(Keys.federation.proposalsFolder, "proposals").trim());
+		File folder = getProposalsFolder();
 		File file = new File(folder, proposal.token + Constants.PROPOSAL_EXT);
 		return file.delete();
 	}
@@ -1161,18 +1427,101 @@
 	}
 
 	/**
+	 * Returns the descriptions/comments of the Gitblit config settings.
+	 * 
+	 * @return SettingsModel
+	 */
+	public ServerSettings getSettingsModel() {
+		// ensure that the current values are updated in the setting models
+		for (String key : settings.getAllKeys(null)) {
+			SettingModel setting = settingsModel.get(key);
+			if (setting != null) {
+				setting.currentValue = settings.getString(key, "");
+			}
+		}
+		return settingsModel;
+	}
+
+	/**
+	 * Parse the properties file and aggregate all the comments by the setting
+	 * key. A setting model tracks the current value, the default value, the
+	 * description of the setting and and directives about the setting.
+	 * 
+	 * @return Map<String, SettingModel>
+	 */
+	private ServerSettings loadSettingModels() {
+		ServerSettings settingsModel = new ServerSettings();
+		try {
+			// Read bundled Gitblit properties to extract setting descriptions.
+			// This copy is pristine and only used for populating the setting
+			// models map.
+			InputStream is = servletContext.getResourceAsStream("/WEB-INF/reference.properties");
+			BufferedReader propertiesReader = new BufferedReader(new InputStreamReader(is));
+			StringBuilder description = new StringBuilder();
+			SettingModel setting = new SettingModel();
+			String line = null;
+			while ((line = propertiesReader.readLine()) != null) {
+				if (line.length() == 0) {
+					description.setLength(0);
+					setting = new SettingModel();
+				} else {
+					if (line.charAt(0) == '#') {
+						if (line.length() > 1) {
+							String text = line.substring(1).trim();
+							if (SettingModel.CASE_SENSITIVE.equals(text)) {
+								setting.caseSensitive = true;
+							} else if (SettingModel.RESTART_REQUIRED.equals(text)) {
+								setting.restartRequired = true;
+							} else if (SettingModel.SPACE_DELIMITED.equals(text)) {
+								setting.spaceDelimited = true;
+							} else if (text.startsWith(SettingModel.SINCE)) {
+								try {
+									setting.since = text.split(" ")[1];
+								} catch (Exception e) {
+									setting.since = text;
+								}
+							} else {
+								description.append(text);
+								description.append('\n');
+							}
+						}
+					} else {
+						String[] kvp = line.split("=", 2);
+						String key = kvp[0].trim();
+						setting.name = key;
+						setting.defaultValue = kvp[1].trim();
+						setting.currentValue = setting.defaultValue;
+						setting.description = description.toString().trim();
+						settingsModel.add(setting);
+						description.setLength(0);
+						setting = new SettingModel();
+					}
+				}
+			}
+			propertiesReader.close();
+		} catch (NullPointerException e) {
+			logger.error("Failed to find resource copy of gitblit.properties");
+		} catch (IOException e) {
+			logger.error("Failed to load resource copy of gitblit.properties");
+		}
+		return settingsModel;
+	}
+
+	/**
 	 * Configure the Gitblit singleton with the specified settings source. This
 	 * source may be file settings (Gitblit GO) or may be web.xml settings
 	 * (Gitblit WAR).
 	 * 
 	 * @param settings
 	 */
+	@SuppressWarnings("deprecation")
 	public void configureContext(IStoredSettings settings, boolean startFederation) {
 		logger.info("Reading configuration from " + settings.toString());
 		this.settings = settings;
-		repositoriesFolder = new File(settings.getString(Keys.git.repositoriesFolder, "git"));
+		repositoriesFolder = getRepositoriesFolder();
 		logger.info("Git repositories folder " + repositoriesFolder.getAbsolutePath());
 		repositoryResolver = new FileResolver<Void>(repositoriesFolder, exportAll);
+		serverStatus = new ServerStatus(isGO());
 		String realm = settings.getString(Keys.realm.userService, "users.properties");
 		IUserService loginService = null;
 		try {
@@ -1184,16 +1533,51 @@
 		} catch (Throwable t) {
 			// not a login service class or class could not be instantiated.
 			// try to use default file login service
-			File realmFile = new File(realm);
-			if (!realmFile.exists()) {
+			File realmFile = getFileOrFolder(Keys.realm.userService, "users.conf");
+			if (realmFile.exists()) {
+				// load the existing realm file
+				if (realmFile.getName().toLowerCase().endsWith(".properties")) {
+					// load the v0.5.0 - v0.7.0 properties-based realm file
+					loginService = new FileUserService(realmFile);
+
+					// automatically create a users.conf realm file from the
+					// original users.properties file
+					File usersConfig = new File(realmFile.getParentFile(), "users.conf");
+					if (!usersConfig.exists()) {
+						logger.info(MessageFormat.format("Automatically creating {0} based on {1}",
+								usersConfig.getAbsolutePath(), realmFile.getAbsolutePath()));
+						ConfigUserService configService = new ConfigUserService(usersConfig);
+						for (String username : loginService.getAllUsernames()) {
+							UserModel userModel = loginService.getUserModel(username);
+							configService.updateUserModel(userModel);
+						}
+					}
+
+					// issue suggestion about switching to users.conf
+					logger.warn("Please consider using \"users.conf\" instead of the deprecated \"users.properties\" file");
+				} else if (realmFile.getName().toLowerCase().endsWith(".conf")) {
+					// load the config-based realm file
+					loginService = new ConfigUserService(realmFile);
+				}
+			} else {
+				// Create a new realm file and add the default admin
+				// account. This is necessary for bootstrapping a dynamic
+				// environment like running on a cloud service.
+				// As of v0.8.0 the default realm file is ConfigUserService.
 				try {
+					realmFile = getFileOrFolder(Keys.realm.userService, "users.conf");
 					realmFile.createNewFile();
+					loginService = new ConfigUserService(realmFile);
+					UserModel admin = new UserModel("admin");
+					admin.password = "admin";
+					admin.canAdmin = true;
+					admin.excludeFromFederation = true;
+					loginService.updateUserModel(admin);
 				} catch (IOException x) {
 					logger.error(
 							MessageFormat.format("COULD NOT CREATE REALM FILE {0}!", realmFile), x);
 				}
 			}
-			loginService = new FileUserService(realmFile);
 		}
 		setUserService(loginService);
 		mailExecutor = new MailExecutor(settings);
@@ -1215,11 +1599,29 @@
 	 */
 	@Override
 	public void contextInitialized(ServletContextEvent contextEvent) {
+		servletContext = contextEvent.getServletContext();
+		settingsModel = loadSettingModels();
 		if (settings == null) {
 			// Gitblit WAR is running in a servlet container
-			WebXmlSettings webxmlSettings = new WebXmlSettings(contextEvent.getServletContext());
+			ServletContext context = contextEvent.getServletContext();
+			WebXmlSettings webxmlSettings = new WebXmlSettings(context);
+
+			// 0.7.0 web.properties in the deployed war folder
+			File overrideFile = new File(context.getRealPath("/WEB-INF/web.properties"));
+			if (overrideFile.exists()) {
+				webxmlSettings.applyOverrides(overrideFile);
+			}
+
+			// 0.8.0 gitblit.properties file located outside the deployed war
+			// folder lie, for example, on RedHat OpenShift.
+			overrideFile = getFileOrFolder("gitblit.properties");
+			if (!overrideFile.getPath().equals("gitblit.properties")) {
+				webxmlSettings.applyOverrides(overrideFile);
+			}
 			configureContext(webxmlSettings, true);
 		}
+
+		serverStatus.servletContainer = servletContext.getServerInfo();
 	}
 
 	/**

--
Gitblit v1.9.1