From c658df9e87d65b08d5482cf04489cb0532ff83dd Mon Sep 17 00:00:00 2001
From: James Moger <james.moger@gitblit.com>
Date: Sat, 13 Oct 2012 10:50:35 -0400
Subject: [PATCH] Merge branch 'master' of https://github.com/Mrbytes/gitblit

---
 src/com/gitblit/GitBlit.java |  330 +++++++++++++++++++++++++++++++++++++++---------------
 1 files changed, 236 insertions(+), 94 deletions(-)

diff --git a/src/com/gitblit/GitBlit.java b/src/com/gitblit/GitBlit.java
index 699bbac..36f5f35 100644
--- a/src/com/gitblit/GitBlit.java
+++ b/src/com/gitblit/GitBlit.java
@@ -32,6 +32,7 @@
 import java.util.Collections;
 import java.util.Date;
 import java.util.HashMap;
+import java.util.HashSet;
 import java.util.LinkedHashMap;
 import java.util.LinkedHashSet;
 import java.util.List;
@@ -56,23 +57,19 @@
 import javax.servlet.http.Cookie;
 
 import org.apache.wicket.protocol.http.WebResponse;
-import org.eclipse.jgit.errors.RepositoryNotFoundException;
 import org.eclipse.jgit.lib.Repository;
+import org.eclipse.jgit.lib.RepositoryCache;
 import org.eclipse.jgit.lib.RepositoryCache.FileKey;
 import org.eclipse.jgit.lib.StoredConfig;
 import org.eclipse.jgit.storage.file.FileBasedConfig;
 import org.eclipse.jgit.storage.file.WindowCache;
 import org.eclipse.jgit.storage.file.WindowCacheConfig;
-import org.eclipse.jgit.transport.ServiceMayNotContinueException;
-import org.eclipse.jgit.transport.resolver.FileResolver;
-import org.eclipse.jgit.transport.resolver.RepositoryResolver;
-import org.eclipse.jgit.transport.resolver.ServiceNotAuthorizedException;
-import org.eclipse.jgit.transport.resolver.ServiceNotEnabledException;
 import org.eclipse.jgit.util.FS;
 import org.eclipse.jgit.util.FileUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import com.gitblit.Constants.AccessPermission;
 import com.gitblit.Constants.AccessRestrictionType;
 import com.gitblit.Constants.AuthorizationControl;
 import com.gitblit.Constants.FederationRequest;
@@ -81,6 +78,7 @@
 import com.gitblit.models.FederationModel;
 import com.gitblit.models.FederationProposal;
 import com.gitblit.models.FederationSet;
+import com.gitblit.models.ForkModel;
 import com.gitblit.models.Metric;
 import com.gitblit.models.ProjectModel;
 import com.gitblit.models.RepositoryModel;
@@ -139,8 +137,6 @@
 	private final Map<String, ProjectModel> projectCache = new ConcurrentHashMap<String, ProjectModel>();
 	
 	private final AtomicReference<String> repositoryListSettingsChecksum = new AtomicReference<String>("");
-
-	private RepositoryResolver<Void> repositoryResolver;
 
 	private ServletContext servletContext;
 
@@ -623,6 +619,7 @@
 	 * @param usernames
 	 * @return true if successful
 	 */
+	@Deprecated
 	public boolean setRepositoryUsers(RepositoryModel repository, List<String> repositoryUsers) {
 		return userService.setUsernamesForRepositoryRole(repository.name, repositoryUsers);
 	}
@@ -644,6 +641,22 @@
 				throw new GitBlitException(MessageFormat.format(
 						"Failed to rename ''{0}'' because ''{1}'' already exists.", username,
 						user.username));
+			}
+			
+			// rename repositories and owner fields for all repositories
+			for (RepositoryModel model : getRepositoryModels(user)) {
+				if (model.isUsersPersonalRepository(username)) {
+					// personal repository
+					model.owner = user.username;
+					String oldRepositoryName = model.name;
+					model.name = "~" + user.username + model.name.substring(model.projectPath.length());
+					model.projectPath = "~" + user.username;
+					updateRepositoryModel(oldRepositoryName, model, false);
+				} else if (model.isOwner(username)) {
+					// common/shared repo
+					model.owner = user.username;
+					updateRepositoryModel(model.name, model, false);
+				}
 			}
 		}
 		if (!userService.updateUserModel(username, user)) {
@@ -704,6 +717,7 @@
 	 * @param teamnames
 	 * @return true if successful
 	 */
+	@Deprecated
 	public boolean setRepositoryTeams(RepositoryModel repository, List<String> repositoryTeams) {
 		return userService.setTeamnamesForRepositoryRole(repository.name, repositoryTeams);
 	}
@@ -744,17 +758,17 @@
 	 * Adds the repository to the list of cached repositories if Gitblit is
 	 * configured to cache the repository list.
 	 * 
-	 * @param name
+	 * @param model
 	 */
-	private void addToCachedRepositoryList(String name, RepositoryModel model) {
+	private void addToCachedRepositoryList(RepositoryModel model) {
 		if (settings.getBoolean(Keys.git.cacheRepositoryList, true)) {
-			repositoryListCache.put(name, model);
+			repositoryListCache.put(model.name, model);
 			
 			// update the fork origin repository with this repository clone
 			if (!StringUtils.isEmpty(model.originRepository)) {
 				if (repositoryListCache.containsKey(model.originRepository)) {
 					RepositoryModel origin = repositoryListCache.get(model.originRepository);
-					origin.addFork(name);
+					origin.addFork(model.name);
 				}
 			}
 		}
@@ -893,32 +907,18 @@
 	 * @return repository or null
 	 */
 	public Repository getRepository(String repositoryName, boolean logError) {
+		File dir = FileKey.resolve(new File(repositoriesFolder, repositoryName), FS.DETECTED);
+		if (dir == null)
+			return null;
+
 		Repository r = null;
 		try {
-			r = repositoryResolver.open(null, repositoryName);
-		} catch (RepositoryNotFoundException e) {
-			r = null;
+			FileKey key = FileKey.exact(dir, FS.DETECTED);
+			r = RepositoryCache.open(key, true);
+		} catch (IOException e) {
 			if (logError) {
 				logger.error("GitBlit.getRepository(String) failed to find "
 						+ new File(repositoriesFolder, repositoryName).getAbsolutePath());
-			}
-		} catch (ServiceNotAuthorizedException e) {
-			r = null;
-			if (logError) {
-				logger.error("GitBlit.getRepository(String) failed to find "
-						+ new File(repositoriesFolder, repositoryName).getAbsolutePath(), e);
-			}
-		} catch (ServiceNotEnabledException e) {
-			r = null;
-			if (logError) {
-				logger.error("GitBlit.getRepository(String) failed to find "
-						+ new File(repositoriesFolder, repositoryName).getAbsolutePath(), e);
-			}
-		} catch (ServiceMayNotContinueException e) {
-			r = null;
-			if (logError) {
-				logger.error("GitBlit.getRepository(String) failed to find "
-						+ new File(repositoriesFolder, repositoryName).getAbsolutePath(), e);
 			}
 		}
 		return r;
@@ -976,14 +976,13 @@
 		if (model == null) {
 			return null;
 		}
-		if (model.accessRestriction.atLeast(AccessRestrictionType.VIEW)) {
-			if (user != null && user.canAccessRepository(model)) {
-				return model;
-			}
-			return null;
-		} else {
+		if (user == null) {
+			user = UserModel.ANONYMOUS;
+		}
+		if (user.canView(model)) {
 			return model;
 		}
+		return null;
 	}
 
 	/**
@@ -999,7 +998,7 @@
 			if (model == null) {
 				return null;
 			}
-			addToCachedRepositoryList(repositoryName, model);
+			addToCachedRepositoryList(model);
 			return model;
 		}
 		
@@ -1021,7 +1020,7 @@
 			logger.info(MessageFormat.format("Config for \"{0}\" has changed. Reloading model and updating cache.", repositoryName));
 			model = loadRepositoryModel(repositoryName);
 			removeFromCachedRepositoryList(repositoryName);
-			addToCachedRepositoryList(repositoryName, model);
+			addToCachedRepositoryList(model);
 		} else {
 			// update a few repository parameters 
 			if (!model.hasCommits) {
@@ -1234,15 +1233,16 @@
 			return null;
 		}
 		RepositoryModel model = new RepositoryModel();
-		model.name = repositoryName;
+		model.isBare = r.isBare();
+		File basePath = getFileOrFolder(Keys.git.repositoriesFolder, "git");
+		if (model.isBare) {
+			model.name = com.gitblit.utils.FileUtils.getRelativePath(basePath, r.getDirectory());
+		} else {
+			model.name = com.gitblit.utils.FileUtils.getRelativePath(basePath, r.getDirectory().getParentFile());
+		}
 		model.hasCommits = JGitUtils.hasCommits(r);
 		model.lastChange = JGitUtils.getLastChange(r);
-		model.isBare = r.isBare();
-		if (repositoryName.indexOf('/') == -1) {
-			model.projectPath = "";
-		} else {
-			model.projectPath = repositoryName.substring(0, repositoryName.indexOf('/'));
-		}
+		model.projectPath = StringUtils.getFirstPathElement(repositoryName);
 		
 		StoredConfig config = r.getConfig();
 		boolean hasOrigin = !StringUtils.isEmpty(config.getString("remote", "origin", "url"));
@@ -1257,6 +1257,7 @@
 					"accessRestriction", settings.getString(Keys.git.defaultAccessRestriction, null)));
 			model.authorizationControl = AuthorizationControl.fromName(getConfig(config,
 					"authorizationControl", settings.getString(Keys.git.defaultAuthorizationControl, null)));
+			model.verifyCommitter = getConfig(config, "verifyCommitter", false);
 			model.showRemoteBranches = getConfig(config, "showRemoteBranches", hasOrigin);
 			model.isFrozen = getConfig(config, "isFrozen", false);
 			model.showReadme = getConfig(config, "showReadme", false);
@@ -1268,6 +1269,9 @@
 					Constants.CONFIG_GITBLIT, null, "federationSets")));
 			model.isFederated = getConfig(config, "isFederated", false);
 			model.origin = config.getString("remote", "origin", "url");
+			if (model.origin != null) {
+				model.origin = model.origin.replace('\\', '/');
+			}
 			model.preReceiveScripts = new ArrayList<String>(Arrays.asList(config.getStringList(
 					Constants.CONFIG_GITBLIT, null, "preReceiveScript")));
 			model.postReceiveScripts = new ArrayList<String>(Arrays.asList(config.getStringList(
@@ -1325,6 +1329,113 @@
 		r.close();
 		return true;
 	}
+	
+	/**
+	 * Determines if the specified user has a fork of the specified origin
+	 * repository.
+	 * 
+	 * @param username
+	 * @param origin
+	 * @return true the if the user has a fork
+	 */
+	public boolean hasFork(String username, String origin) {
+		return getFork(username, origin) != null;
+	}
+	
+	/**
+	 * Gets the name of a user's fork of the specified origin
+	 * repository.
+	 * 
+	 * @param username
+	 * @param origin
+	 * @return the name of the user's fork, null otherwise
+	 */
+	public String getFork(String username, String origin) {
+		String userProject = "~" + username.toLowerCase();
+		if (settings.getBoolean(Keys.git.cacheRepositoryList, true)) {
+			String userPath = userProject + "/";
+
+			// collect all origin nodes in fork network
+			Set<String> roots = new HashSet<String>();
+			roots.add(origin);
+			RepositoryModel originModel = repositoryListCache.get(origin);
+			while (originModel != null) {
+				if (!ArrayUtils.isEmpty(originModel.forks)) {
+					for (String fork : originModel.forks) {
+						if (!fork.startsWith(userPath)) {
+							roots.add(fork);
+						}
+					}
+				}
+				
+				if (originModel.originRepository != null) {
+					roots.add(originModel.originRepository);
+					originModel = repositoryListCache.get(originModel.originRepository);
+				} else {
+					// break
+					originModel = null;
+				}
+			}
+			
+			for (String repository : repositoryListCache.keySet()) {
+				if (repository.toLowerCase().startsWith(userPath)) {
+					RepositoryModel model = repositoryListCache.get(repository);
+					if (!StringUtils.isEmpty(model.originRepository)) {
+						if (roots.contains(model.originRepository)) {
+							// user has a fork in this graph
+							return model.name;
+						}
+					}
+				}
+			}
+		} else {
+			// not caching
+			ProjectModel project = getProjectModel(userProject);
+			for (String repository : project.repositories) {
+				if (repository.toLowerCase().startsWith(userProject)) {
+					RepositoryModel model = repositoryListCache.get(repository);
+					if (model.originRepository.equalsIgnoreCase(origin)) {
+						// user has a fork
+						return model.name;
+					}
+				}
+			}
+		}
+		// user does not have a fork
+		return null;
+	}
+	
+	/**
+	 * Returns the fork network for a repository by traversing up the fork graph
+	 * to discover the root and then down through all children of the root node.
+	 * 
+	 * @param repository
+	 * @return a ForkModel
+	 */
+	public ForkModel getForkNetwork(String repository) {
+		if (settings.getBoolean(Keys.git.cacheRepositoryList, true)) {
+			// find the root
+			RepositoryModel model = repositoryListCache.get(repository);
+			while (model.originRepository != null) {
+				model = repositoryListCache.get(model.originRepository);
+			}
+			ForkModel root = getForkModel(model.name);
+			return root;
+		}
+		return null;
+	}
+	
+	private ForkModel getForkModel(String repository) {
+		RepositoryModel model = repositoryListCache.get(repository);
+		ForkModel fork = new ForkModel(model);
+		if (!ArrayUtils.isEmpty(model.forks)) {
+			for (String aFork : model.forks) {
+				ForkModel fm = getForkModel(aFork);
+				fork.forks.add(fm);
+			}
+		}
+		return fork;
+	}
 
 	/**
 	 * Returns the size in bytes of the repository. Gitblit caches the
@@ -1353,6 +1464,11 @@
 	 */
 	private void closeRepository(String repositoryName) {
 		Repository repository = getRepository(repositoryName);
+		if (repository == null) {
+			return;
+		}
+		RepositoryCache.close(repository);
+
 		// assume 2 uses in case reflection fails
 		int uses = 2;
 		try {
@@ -1449,6 +1565,13 @@
 	public void updateRepositoryModel(String repositoryName, RepositoryModel repository,
 			boolean isCreate) throws GitBlitException {
 		Repository r = null;
+		String projectPath = StringUtils.getFirstPathElement(repository.name);
+		if (!StringUtils.isEmpty(projectPath)) {
+			if (projectPath.equalsIgnoreCase(getString(Keys.web.repositoryRootGroupName, "main"))) {
+				// strip leading group name
+				repository.name = repository.name.substring(projectPath.length() + 1);
+			}
+		}
 		if (isCreate) {
 			// ensure created repository name ends with .git
 			if (!repository.name.toLowerCase().endsWith(org.eclipse.jgit.lib.Constants.DOT_GIT_EXT)) {
@@ -1516,6 +1639,14 @@
 						rf.close();
 					}
 				}
+				
+				// remove this repository from any origin model's fork list
+				if (!StringUtils.isEmpty(repository.originRepository)) {
+					RepositoryModel origin = repositoryListCache.get(repository.originRepository);
+					if (origin != null && !ArrayUtils.isEmpty(origin.forks)) {
+						origin.forks.remove(repositoryName);
+					}
+				}
 
 				// clear the cache
 				clearRepositoryMetadataCache(repositoryName);
@@ -1524,17 +1655,7 @@
 
 			// load repository
 			logger.info("edit repository " + repository.name);
-			try {
-				r = repositoryResolver.open(null, repository.name);
-			} catch (RepositoryNotFoundException e) {
-				logger.error("Repository not found", e);
-			} catch (ServiceNotAuthorizedException e) {
-				logger.error("Service not authorized", e);
-			} catch (ServiceNotEnabledException e) {
-				logger.error("Service not enabled", e);
-			} catch (ServiceMayNotContinueException e) {
-				logger.error("Service may not continue", e);
-			}
+			r = getRepository(repository.name);
 		}
 
 		// update settings
@@ -1558,7 +1679,7 @@
 		// update repository cache
 		removeFromCachedRepositoryList(repositoryName);
 		// model will actually be replaced on next load because config is stale
-		addToCachedRepositoryList(repository.name, repository);
+		addToCachedRepositoryList(repository);
 	}
 	
 	/**
@@ -1578,6 +1699,7 @@
 		config.setBoolean(Constants.CONFIG_GITBLIT, null, "allowForks", repository.allowForks);
 		config.setString(Constants.CONFIG_GITBLIT, null, "accessRestriction", repository.accessRestriction.name());
 		config.setString(Constants.CONFIG_GITBLIT, null, "authorizationControl", repository.authorizationControl.name());
+		config.setBoolean(Constants.CONFIG_GITBLIT, null, "verifyCommitter", repository.verifyCommitter);
 		config.setBoolean(Constants.CONFIG_GITBLIT, null, "showRemoteBranches", repository.showRemoteBranches);
 		config.setBoolean(Constants.CONFIG_GITBLIT, null, "isFrozen", repository.isFrozen);
 		config.setBoolean(Constants.CONFIG_GITBLIT, null, "showReadme", repository.showReadme);
@@ -1653,7 +1775,7 @@
 			clearRepositoryMetadataCache(repositoryName);
 			
 			RepositoryModel model = removeFromCachedRepositoryList(repositoryName);
-			if (!ArrayUtils.isEmpty(model.forks)) {
+			if (model != null && !ArrayUtils.isEmpty(model.forks)) {
 				resetRepositoryListCache();
 			}
 
@@ -2382,7 +2504,6 @@
 		this.settings = settings;
 		repositoriesFolder = getRepositoriesFolder();
 		logger.info("Git repositories folder " + repositoriesFolder.getAbsolutePath());
-		repositoryResolver = new FileResolver<Void>(repositoriesFolder, true);
 
 		// calculate repository list settings checksum for future config changes
 		repositoryListSettingsChecksum.set(getRepositoryListSettingsChecksum());
@@ -2528,44 +2649,65 @@
 	 * 
 	 * @param repository
 	 * @param user
-	 * @return true, if successful
+	 * @return the repository model of the fork, if successful
+	 * @throws GitBlitException
 	 */
-	public boolean fork(RepositoryModel repository, UserModel user) {
+	public RepositoryModel fork(RepositoryModel repository, UserModel user) throws GitBlitException {
 		String cloneName = MessageFormat.format("~{0}/{1}.git", user.username, StringUtils.stripDotGit(StringUtils.getLastPathElement(repository.name)));
 		String fromUrl = MessageFormat.format("file://{0}/{1}", repositoriesFolder.getAbsolutePath(), repository.name);
+
+		// clone the repository
 		try {
-			// clone the repository
 			JGitUtils.cloneRepository(repositoriesFolder, cloneName, fromUrl, true, null);
-			
-			// create a Gitblit repository model for the clone
-			RepositoryModel cloneModel = repository.cloneAs(cloneName);
-			cloneModel.owner = user.username;
-			updateRepositoryModel(cloneName, cloneModel, false);
-			
-			if (AuthorizationControl.NAMED.equals(cloneModel.authorizationControl)) {
-				// add the owner of the source repository to the clone's access list
-				if (!StringUtils.isEmpty(repository.owner)) {
-					UserModel owner = getUserModel(repository.owner);
-					if (owner != null) {
-						owner.repositories.add(cloneName);
-						updateUserModel(owner.username, owner, false);
-					}
-				}
-				
-				// inherit origin's access lists
-				List<String> users = getRepositoryUsers(repository);
-				setRepositoryUsers(cloneModel, users);
-				
-				List<String> teams = getRepositoryTeams(repository);
-				setRepositoryTeams(cloneModel, teams);
-			}
-			
-			// add this clone to the cached model
-			addToCachedRepositoryList(cloneModel.name, cloneModel);
-			return true;
 		} catch (Exception e) {
-			logger.error("failed to fork", e);
+			throw new GitBlitException(e);
 		}
-		return false;
+
+		// create a Gitblit repository model for the clone
+		RepositoryModel cloneModel = repository.cloneAs(cloneName);
+		// owner has REWIND/RW+ permissions
+		cloneModel.owner = user.username;
+		updateRepositoryModel(cloneName, cloneModel, false);
+
+		// add the owner of the source repository to the clone's access list
+		if (!StringUtils.isEmpty(repository.owner)) {
+			UserModel originOwner = getUserModel(repository.owner);
+			if (originOwner != null) {
+				originOwner.setRepositoryPermission(cloneName, AccessPermission.CLONE);
+				updateUserModel(originOwner.username, originOwner, false);
+			}
+		}
+
+		// grant origin's user list clone permission to fork
+		List<String> users = getRepositoryUsers(repository);
+		List<UserModel> cloneUsers = new ArrayList<UserModel>();
+		for (String name : users) {
+			if (!name.equalsIgnoreCase(user.username)) {
+				UserModel cloneUser = getUserModel(name);
+				if (cloneUser.canClone(repository)) {
+					// origin user can clone origin, grant clone access to fork
+					cloneUser.setRepositoryPermission(cloneName, AccessPermission.CLONE);
+				}
+				cloneUsers.add(cloneUser);
+			}
+		}
+		userService.updateUserModels(cloneUsers);
+
+		// grant origin's team list clone permission to fork
+		List<String> teams = getRepositoryTeams(repository);
+		List<TeamModel> cloneTeams = new ArrayList<TeamModel>();
+		for (String name : teams) {
+			TeamModel cloneTeam = getTeamModel(name);
+			if (cloneTeam.canClone(repository)) {
+				// origin team can clone origin, grant clone access to fork
+				cloneTeam.setRepositoryPermission(cloneName, AccessPermission.CLONE);
+			}
+			cloneTeams.add(cloneTeam);
+		}
+		userService.updateTeamModels(cloneTeams);			
+
+		// add this clone to the cached model
+		addToCachedRepositoryList(cloneModel);
+		return cloneModel;
 	}
 }

--
Gitblit v1.9.1