From e6935876b97a63bae2ec087b4fc390c832aef155 Mon Sep 17 00:00:00 2001
From: James Moger <james.moger@gitblit.com>
Date: Thu, 22 Dec 2011 17:06:35 -0500
Subject: [PATCH] Drop recent activity y-axis labels

---
 src/com/gitblit/GitBlit.java |  710 ++++++++++++++++++++++++++++++++++++++++++++++++++--------
 1 files changed, 605 insertions(+), 105 deletions(-)

diff --git a/src/com/gitblit/GitBlit.java b/src/com/gitblit/GitBlit.java
index b32440b..c818dd5 100644
--- a/src/com/gitblit/GitBlit.java
+++ b/src/com/gitblit/GitBlit.java
@@ -15,17 +15,24 @@
  */
 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;
+import java.util.Arrays;
+import java.util.Collection;
 import java.util.Collections;
 import java.util.HashMap;
+import java.util.HashSet;
 import java.util.List;
 import java.util.Map;
 import java.util.Map.Entry;
+import java.util.Set;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.Executors;
 import java.util.concurrent.ScheduledExecutorService;
@@ -34,6 +41,7 @@
 
 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;
@@ -58,12 +66,21 @@
 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;
-import com.google.gson.Gson;
-import com.google.gson.GsonBuilder;
 
 /**
  * GitBlit is the servlet context listener singleton that acts as the core for
@@ -94,7 +111,13 @@
 
 	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;
 
@@ -103,6 +126,10 @@
 	private IUserService userService;
 
 	private IStoredSettings settings;
+
+	private ServerSettings settingsModel;
+
+	private ServerStatus serverStatus;
 
 	private MailExecutor mailExecutor;
 
@@ -224,6 +251,81 @@
 	}
 
 	/**
+	 * 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");
+	}
+
+	/**
+	 * Returns the path of the Groovy folder. This method checks to see if
+	 * Gitblit is running on a cloud service and may return an adjusted path.
+	 * 
+	 * @return the Groovy scripts folder path
+	 */
+	public static File getGroovyScriptsFolder() {
+		return getFileOrFolder(Keys.groovy.scriptsFolder, "groovy");
+	}
+
+	/**
+	 * 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;
+	}
+
+	/**
 	 * Returns the list of non-Gitblit clone urls. This allows Gitblit to
 	 * advertise alternative urls for Git client repository access.
 	 * 
@@ -247,6 +349,7 @@
 	public void setUserService(IUserService userService) {
 		logger.info("Setting up user service " + userService.toString());
 		this.userService = userService;
+		this.userService.setup(settings);
 	}
 
 	/**
@@ -409,9 +512,105 @@
 	 */
 	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);
 	}
 
 	/**
@@ -466,6 +665,20 @@
 				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;
 	}
 
@@ -483,7 +696,7 @@
 			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;
@@ -519,24 +732,42 @@
 			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(
+					"gitblit", null, "federationSets")));
 			model.isFederated = getConfig(config, "isFederated", false);
 			model.origin = config.getString("remote", "origin", "url");
+			model.preReceiveScripts = new ArrayList<String>(Arrays.asList(config.getStringList(
+					"gitblit", null, "preReceiveScript")));
+			model.postReceiveScripts = new ArrayList<String>(Arrays.asList(config.getStringList(
+					"gitblit", null, "postReceiveScript")));
+			model.mailingLists = new ArrayList<String>(Arrays.asList(config.getStringList(
+					"gitblit", null, "mailingList")));
 		}
 		r.close();
 		return model;
 	}
 
 	/**
-	 * 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;
 	}
 
 	/**
@@ -575,7 +806,26 @@
 	}
 
 	/**
-	 * 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
@@ -637,6 +887,15 @@
 		} 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);
@@ -657,6 +916,9 @@
 							"Failed to rename repository permissions ''{0}'' to ''{1}''.",
 							repositoryName, repository.name));
 				}
+
+				// clear the cache
+				clearRepositoryCache(repositoryName);
 			}
 
 			// load repository
@@ -697,9 +959,22 @@
 		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());
 		config.setBoolean("gitblit", null, "isFederated", repository.isFederated);
+		if (repository.preReceiveScripts != null) {
+			config.setStringList("gitblit", null, "preReceiveScript", repository.preReceiveScripts);
+		}
+		if (repository.postReceiveScripts != null) {
+			config.setStringList("gitblit", null, "postReceiveScript",
+					repository.postReceiveScripts);
+		}
+		if (repository.mailingLists != null) {
+			config.setStringList("gitblit", null, "mailingList", repository.mailingLists);
+		}
 		try {
 			config.save();
 		} catch (IOException e) {
@@ -735,6 +1010,9 @@
 					return true;
 				}
 			}
+
+			// clear the repository cache
+			clearRepositoryCache(repositoryName);
 		} catch (Throwable t) {
 			logger.error(MessageFormat.format("Failed to delete repository {0}", repositoryName), t);
 		}
@@ -810,17 +1088,24 @@
 			validPassphrase = false;
 		}
 		if (validPassphrase) {
+			// standard tokens
 			for (FederationToken tokenType : FederationToken.values()) {
 				logger.info(MessageFormat.format("Federation {0} token = {1}", tokenType.name(),
 						getFederationToken(tokenType)));
+			}
+
+			// federation set tokens
+			for (String set : settings.getStrings(Keys.federation.sets)) {
+				logger.info(MessageFormat.format("Federation Set {0} token = {1}", set,
+						getFederationToken(set)));
 			}
 		}
 
 		// Schedule the federation executor
 		List<FederationModel> registrations = getFederationRegistrations();
 		if (registrations.size() > 0) {
-			scheduledExecutor.schedule(new FederationPullExecutor(registrations), 1,
-					TimeUnit.MINUTES);
+			FederationPullExecutor executor = new FederationPullExecutor(registrations, true);
+			scheduledExecutor.schedule(executor, 1, TimeUnit.MINUTES);
 		}
 	}
 
@@ -832,75 +1117,7 @@
 	 */
 	public List<FederationModel> getFederationRegistrations() {
 		if (federationRegistrations.isEmpty()) {
-			List<String> keys = settings.getAllKeys(Keys.federation._ROOT);
-			keys.remove(Keys.federation.name);
-			keys.remove(Keys.federation.passphrase);
-			keys.remove(Keys.federation.allowProposals);
-			keys.remove(Keys.federation.proposalsFolder);
-			keys.remove(Keys.federation.defaultFrequency);
-			Collections.sort(keys);
-			Map<String, FederationModel> federatedModels = new HashMap<String, FederationModel>();
-			for (String key : keys) {
-				String value = key.substring(Keys.federation._ROOT.length() + 1);
-				List<String> values = StringUtils.getStringsFromValue(value, "\\.");
-				String server = values.get(0);
-				if (!federatedModels.containsKey(server)) {
-					federatedModels.put(server, new FederationModel(server));
-				}
-				String setting = values.get(1);
-				if (setting.equals("url")) {
-					// url of the remote Gitblit instance
-					federatedModels.get(server).url = settings.getString(key, "");
-				} else if (setting.equals("token")) {
-					// token for the remote Gitblit instance
-					federatedModels.get(server).token = settings.getString(key, "");
-				} else if (setting.equals("frequency")) {
-					// frequency of the pull operation
-					federatedModels.get(server).frequency = settings.getString(key, "");
-				} else if (setting.equals("folder")) {
-					// destination folder of the pull operation
-					federatedModels.get(server).folder = settings.getString(key, "");
-				} else if (setting.equals("freeze")) {
-					// set the repository to read-only after pull
-					federatedModels.get(server).freeze = settings.getBoolean(key, true);
-				} else if (setting.equals("mergeAccounts")) {
-					// merge remote accounts into local accounts
-					federatedModels.get(server).mergeAccounts = settings.getBoolean(key, false);
-				} else if (setting.equals("sendStatus")) {
-					// send a status acknowledgment to source Gitblit instance
-					// at end of git pull
-					federatedModels.get(server).sendStatus = settings.getBoolean(key, false);
-				} else if (setting.equals("notifyOnError")) {
-					// notify administrators on federation pull failures
-					federatedModels.get(server).notifyOnError = settings.getBoolean(key, false);
-				} else if (setting.equals("exclude")) {
-					// excluded repositories
-					federatedModels.get(server).exclusions = settings.getStrings(key);
-				} else if (setting.equals("include")) {
-					// included repositories
-					federatedModels.get(server).inclusions = settings.getStrings(key);
-				}
-			}
-
-			// verify that registrations have a url and a token
-			for (FederationModel model : federatedModels.values()) {
-				if (StringUtils.isEmpty(model.url)) {
-					logger.warn(MessageFormat.format(
-							"Dropping federation registration {0}. Missing url.", model.name));
-					continue;
-				}
-				if (StringUtils.isEmpty(model.token)) {
-					logger.warn(MessageFormat.format(
-							"Dropping federation registration {0}. Missing token.", model.name));
-					continue;
-				}
-				// set default frequency if unspecified
-				if (StringUtils.isEmpty(model.frequency)) {
-					model.frequency = settings.getString(Keys.federation.defaultFrequency,
-							"60 mins");
-				}
-				federationRegistrations.add(model);
-			}
+			federationRegistrations.addAll(FederationUtils.getFederationRegistrations(settings));
 		}
 		return federationRegistrations;
 	}
@@ -930,14 +1147,42 @@
 	}
 
 	/**
+	 * 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
 	 */
 	public List<String> getFederationTokens() {
 		List<String> tokens = new ArrayList<String>();
+		// generate standard tokens
 		for (FederationToken type : FederationToken.values()) {
 			tokens.add(getFederationToken(type));
+		}
+		// generate tokens for federation sets
+		for (String set : settings.getStrings(Keys.federation.sets)) {
+			tokens.add(getFederationToken(set));
 		}
 		return tokens;
 	}
@@ -949,8 +1194,18 @@
 	 * @return a federation token
 	 */
 	public String getFederationToken(FederationToken type) {
+		return getFederationToken(type.name());
+	}
+
+	/**
+	 * Returns the specified federation token for this Gitblit instance.
+	 * 
+	 * @param value
+	 * @return a federation token
+	 */
+	public String getFederationToken(String value) {
 		String passphrase = settings.getString(Keys.federation.passphrase, "");
-		return StringUtils.getSHA1(passphrase + "-" + type.name());
+		return StringUtils.getSHA1(passphrase + "-" + value);
 	}
 
 	/**
@@ -969,6 +1224,7 @@
 		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);
@@ -1012,18 +1268,17 @@
 	 * @param proposal
 	 *            the proposal
 	 * @param gitblitUrl
-	 *            the url of your gitblit instance
+	 *            the url of your gitblit instance to send an email to
+	 *            administrators
 	 * @return true if the proposal was submitted
 	 */
 	public boolean submitFederationProposal(FederationProposal proposal, String gitblitUrl) {
 		// convert proposal to json
-		Gson gson = new GsonBuilder().setPrettyPrinting().create();
-		String json = gson.toJson(proposal);
+		String json = JsonUtils.toJsonString(proposal);
 
 		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
@@ -1055,7 +1310,7 @@
 	 */
 	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
@@ -1064,14 +1319,94 @@
 							&& file.getName().toLowerCase().endsWith(Constants.PROPOSAL_EXT);
 				}
 			});
-			Gson gson = new Gson();
 			for (File file : files) {
 				String json = com.gitblit.utils.FileUtils.readContent(file, null);
-				FederationProposal proposal = gson.fromJson(json, FederationProposal.class);
+				FederationProposal proposal = JsonUtils.fromJsonString(json,
+						FederationProposal.class);
 				list.add(proposal);
 			}
 		}
 		return list;
+	}
+
+	/**
+	 * Get repositories for the specified token.
+	 * 
+	 * @param gitblitUrl
+	 *            the base url of this gitblit instance
+	 * @param token
+	 *            the federation token
+	 * @return a map of <cloneurl, RepositoryModel>
+	 */
+	public Map<String, RepositoryModel> getRepositories(String gitblitUrl, String token) {
+		Map<String, String> federationSets = new HashMap<String, String>();
+		for (String set : getStrings(Keys.federation.sets)) {
+			federationSets.put(getFederationToken(set), set);
+		}
+
+		// Determine the Gitblit clone url
+		StringBuilder sb = new StringBuilder();
+		sb.append(gitblitUrl);
+		sb.append(Constants.GIT_PATH);
+		sb.append("{0}");
+		String cloneUrl = sb.toString();
+
+		// Retrieve all available repositories
+		UserModel user = new UserModel(Constants.FEDERATION_USER);
+		user.canAdmin = true;
+		List<RepositoryModel> list = getRepositoryModels(user);
+
+		// create the [cloneurl, repositoryModel] map
+		Map<String, RepositoryModel> repositories = new HashMap<String, RepositoryModel>();
+		for (RepositoryModel model : list) {
+			// by default, setup the url for THIS repository
+			String url = MessageFormat.format(cloneUrl, model.name);
+			switch (model.federationStrategy) {
+			case EXCLUDE:
+				// skip this repository
+				continue;
+			case FEDERATE_ORIGIN:
+				// federate the origin, if it is defined
+				if (!StringUtils.isEmpty(model.origin)) {
+					url = model.origin;
+				}
+				break;
+			}
+
+			if (federationSets.containsKey(token)) {
+				// include repositories only for federation set
+				String set = federationSets.get(token);
+				if (model.federationSets.contains(set)) {
+					repositories.put(url, model);
+				}
+			} else {
+				// standard federation token for ALL
+				repositories.put(url, model);
+			}
+		}
+		return repositories;
+	}
+
+	/**
+	 * Creates a proposal from the token.
+	 * 
+	 * @param gitblitUrl
+	 *            the url of this Gitblit instance
+	 * @param token
+	 * @return a potential proposal
+	 */
+	public FederationProposal createFederationProposal(String gitblitUrl, String token) {
+		FederationToken tokenType = FederationToken.REPOSITORIES;
+		for (FederationToken type : FederationToken.values()) {
+			if (token.equals(getFederationToken(type))) {
+				tokenType = type;
+				break;
+			}
+		}
+		Map<String, RepositoryModel> repositories = getRepositories(gitblitUrl, token);
+		FederationProposal proposal = new FederationProposal(gitblitUrl, tokenType, token,
+				repositories);
+		return proposal;
 	}
 
 	/**
@@ -1098,9 +1433,51 @@
 	 * @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();
+	}
+
+	/**
+	 * Returns the list of all available Groovy push hook scripts that are not
+	 * already specified globally for all repositories. Script files must have
+	 * .groovy extension
+	 * 
+	 * @return list of available hook scripts
+	 */
+	public List<String> getAvailableScripts() {
+		File groovyFolder = getGroovyScriptsFolder();
+		File[] files = groovyFolder.listFiles(new FileFilter() {
+			@Override
+			public boolean accept(File pathname) {
+				return pathname.isFile() && pathname.getName().endsWith(".groovy");
+			}
+		});
+
+		Set<String> globals = new HashSet<String>();
+		String[] keys = { Keys.groovy.preReceiveScripts, Keys.groovy.postReceiveScripts };
+		for (String key : keys) {
+			for (String script : getStrings(key)) {
+				if (script.endsWith(".groovy")) {
+					globals.add(script.substring(0, script.lastIndexOf('.')));
+				} else {
+					globals.add(script);
+				}
+			}
+		}
+
+		// create list of available scripts by excluding scripts that are
+		// globally specified
+		List<String> scripts = new ArrayList<String>();
+		if (files != null) {
+			for (File file : files) {
+				String script = file.getName().substring(0, file.getName().lastIndexOf('.'));
+				if (!globals.contains(script)) {
+					scripts.add(script);
+				}
+			}
+		}
+		return scripts;
 	}
 
 	/**
@@ -1109,7 +1486,7 @@
 	 * @param subject
 	 * @param message
 	 */
-	public void notifyAdministrators(String subject, String message) {
+	public void sendMailToAdministrators(String subject, String message) {
 		try {
 			Message mail = mailExecutor.createMessageForAdministrators();
 			if (mail != null) {
@@ -1123,18 +1500,132 @@
 	}
 
 	/**
+	 * Notify users by email of something.
+	 * 
+	 * @param subject
+	 * @param message
+	 * @param toAddresses
+	 */
+	public void sendMail(String subject, String message, Collection<String> toAddresses) {
+		this.sendMail(subject, message, toAddresses.toArray(new String[0]));
+	}
+
+	/**
+	 * Notify users by email of something.
+	 * 
+	 * @param subject
+	 * @param message
+	 * @param toAddresses
+	 */
+	public void sendMail(String subject, String message, String... toAddresses) {
+		try {
+			Message mail = mailExecutor.createMessage(toAddresses);
+			if (mail != null) {
+				mail.setSubject(subject);
+				mail.setText(message);
+				mailExecutor.queue(mail);
+			}
+		} catch (MessagingException e) {
+			logger.error("Messaging error", e);
+		}
+	}
+
+	/**
+	 * 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, "");
+			}
+		}
+		settingsModel.pushScripts = getAvailableScripts();
+		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
 	 */
-	public void configureContext(IStoredSettings settings) {
+	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 {
@@ -1144,26 +1635,17 @@
 				loginService = (IUserService) realmClass.newInstance();
 			}
 		} 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()) {
-				try {
-					realmFile.createNewFile();
-				} catch (IOException x) {
-					logger.error(
-							MessageFormat.format("COULD NOT CREATE REALM FILE {0}!", realmFile), x);
-				}
-			}
-			loginService = new FileUserService(realmFile);
+			loginService = new GitblitUserService();
 		}
 		setUserService(loginService);
-		configureFederation();
 		mailExecutor = new MailExecutor(settings);
 		if (mailExecutor.isReady()) {
 			scheduledExecutor.scheduleAtFixedRate(mailExecutor, 1, 2, TimeUnit.MINUTES);
 		} else {
 			logger.warn("Mail server is not properly configured.  Mail services disabled.");
+		}
+		if (startFederation) {
+			configureFederation();
 		}
 	}
 
@@ -1175,11 +1657,29 @@
 	 */
 	@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());
-			configureContext(webxmlSettings);
+			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