/*
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* Copyright 2011 gitblit.com.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.gitblit;
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import java.io.File;
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import java.io.IOException;
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import java.text.MessageFormat;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.List;
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import javax.servlet.ServletContextEvent;
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import javax.servlet.ServletContextListener;
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import org.eclipse.jgit.errors.RepositoryNotFoundException;
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import org.eclipse.jgit.lib.Repository;
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import org.eclipse.jgit.lib.StoredConfig;
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import org.eclipse.jgit.transport.resolver.FileResolver;
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import org.eclipse.jgit.transport.resolver.ServiceNotEnabledException;
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import org.eclipse.jgit.util.FileUtils;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import com.gitblit.Constants.AccessRestrictionType;
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import com.gitblit.models.RepositoryModel;
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import com.gitblit.models.UserModel;
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import com.gitblit.utils.JGitUtils;
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import com.gitblit.utils.StringUtils;
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public class GitBlit implements ServletContextListener {
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private static final GitBlit GITBLIT;
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private final Logger logger = LoggerFactory.getLogger(GitBlit.class);
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private FileResolver<Void> repositoryResolver;
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private File repositoriesFolder;
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private boolean exportAll;
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private ILoginService loginService;
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private IStoredSettings storedSettings;
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static {
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GITBLIT = new GitBlit();
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}
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private GitBlit() {
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}
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public static GitBlit self() {
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return GITBLIT;
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}
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public static boolean getBoolean(String key, boolean defaultValue) {
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return GITBLIT.storedSettings.getBoolean(key, defaultValue);
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}
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public static int getInteger(String key, int defaultValue) {
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return GITBLIT.storedSettings.getInteger(key, defaultValue);
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}
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public static String getString(String key, String defaultValue) {
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return GITBLIT.storedSettings.getString(key, defaultValue);
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}
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public static List<String> getStrings(String key) {
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return GITBLIT.storedSettings.getStrings(key);
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}
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public static List<String> getAllKeys(String startingWith) {
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return GITBLIT.storedSettings.getAllKeys(startingWith);
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}
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public boolean isDebugMode() {
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return storedSettings.getBoolean(Keys.web.debugMode, false);
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}
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public List<String> getOtherCloneUrls(String repositoryName) {
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List<String> cloneUrls = new ArrayList<String>();
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for (String url : storedSettings.getStrings(Keys.web.otherUrls)) {
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cloneUrls.add(MessageFormat.format(url, repositoryName));
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}
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return cloneUrls;
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}
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public void setLoginService(ILoginService loginService) {
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this.loginService = loginService;
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}
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public UserModel authenticate(String username, char[] password) {
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if (loginService == null) {
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return null;
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}
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return loginService.authenticate(username, password);
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}
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public List<String> getAllUsernames() {
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List<String> names = new ArrayList<String>(loginService.getAllUsernames());
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Collections.sort(names);
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return names;
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}
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public boolean deleteUser(String username) {
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return loginService.deleteUser(username);
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}
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public UserModel getUserModel(String username) {
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UserModel user = loginService.getUserModel(username);
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return user;
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}
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public List<String> getRepositoryUsers(RepositoryModel repository) {
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return loginService.getUsernamesForRole(repository.name);
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}
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public boolean setRepositoryUsers(RepositoryModel repository, List<String> repositoryUsers) {
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return loginService.setUsernamesForRole(repository.name, repositoryUsers);
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}
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public void editUserModel(String username, UserModel user, boolean isCreate)
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throws GitBlitException {
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if (!loginService.updateUserModel(username, user)) {
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throw new GitBlitException(isCreate ? "Failed to add user!" : "Failed to update user!");
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}
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}
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public List<String> getRepositoryList() {
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return JGitUtils.getRepositoryList(repositoriesFolder, exportAll,
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storedSettings.getBoolean(Keys.git.searchRepositoriesSubfolders, true));
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}
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public Repository getRepository(String repositoryName) {
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Repository r = null;
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try {
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r = repositoryResolver.open(null, repositoryName);
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} catch (RepositoryNotFoundException e) {
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r = null;
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logger.error("GitBlit.getRepository(String) failed to find "
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+ new File(repositoriesFolder, repositoryName).getAbsolutePath());
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} catch (ServiceNotEnabledException e) {
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r = null;
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e.printStackTrace();
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}
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return r;
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}
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public List<RepositoryModel> getRepositoryModels(UserModel user) {
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List<String> list = getRepositoryList();
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List<RepositoryModel> repositories = new ArrayList<RepositoryModel>();
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for (String repo : list) {
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RepositoryModel model = getRepositoryModel(user, repo);
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if (model != null) {
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repositories.add(model);
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}
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}
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return repositories;
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}
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public RepositoryModel getRepositoryModel(UserModel user, String repositoryName) {
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RepositoryModel model = getRepositoryModel(repositoryName);
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if (model.accessRestriction.atLeast(AccessRestrictionType.VIEW)) {
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if (user != null && user.canAccessRepository(model.name)) {
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return model;
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}
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return null;
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} else {
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return model;
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}
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}
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public RepositoryModel getRepositoryModel(String repositoryName) {
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Repository r = getRepository(repositoryName);
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if (r == null) {
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return null;
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}
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RepositoryModel model = new RepositoryModel();
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model.name = repositoryName;
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model.hasCommits = JGitUtils.hasCommits(r);
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model.lastChange = JGitUtils.getLastChange(r);
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StoredConfig config = JGitUtils.readConfig(r);
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if (config != null) {
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model.description = getConfig(config, "description", "");
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model.owner = getConfig(config, "owner", "");
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model.useTickets = getConfig(config, "useTickets", false);
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model.useDocs = getConfig(config, "useDocs", false);
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model.accessRestriction = AccessRestrictionType.fromName(getConfig(config,
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"accessRestriction", null));
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model.showRemoteBranches = getConfig(config, "showRemoteBranches", false);
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model.isFrozen = getConfig(config, "isFrozen", false);
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model.showReadme = getConfig(config, "showReadme", false);
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}
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r.close();
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return model;
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}
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private String getConfig(StoredConfig config, String field, String defaultValue) {
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String value = config.getString("gitblit", null, field);
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if (StringUtils.isEmpty(value)) {
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return defaultValue;
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}
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return value;
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}
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private boolean getConfig(StoredConfig config, String field, boolean defaultValue) {
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return config.getBoolean("gitblit", field, defaultValue);
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}
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public void editRepositoryModel(String repositoryName, RepositoryModel repository,
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boolean isCreate) throws GitBlitException {
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Repository r = null;
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if (isCreate) {
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// ensure created repository name ends with .git
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if (!repository.name.toLowerCase().endsWith(org.eclipse.jgit.lib.Constants.DOT_GIT_EXT)) {
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repository.name += org.eclipse.jgit.lib.Constants.DOT_GIT_EXT;
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}
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if (new File(repositoriesFolder, repository.name).exists()) {
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throw new GitBlitException(MessageFormat.format(
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"Can not create repository ''{0}'' because it already exists.",
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repository.name));
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}
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// create repository
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logger.info("create repository " + repository.name);
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r = JGitUtils.createRepository(repositoriesFolder, repository.name);
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} else {
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// rename repository
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if (!repositoryName.equalsIgnoreCase(repository.name)) {
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File folder = new File(repositoriesFolder, repositoryName);
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File destFolder = new File(repositoriesFolder, repository.name);
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if (destFolder.exists()) {
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throw new GitBlitException(
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MessageFormat
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.format("Can not rename repository ''{0}'' to ''{1}'' because ''{1}'' already exists.",
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repositoryName, repository.name));
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}
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if (!folder.renameTo(destFolder)) {
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throw new GitBlitException(MessageFormat.format(
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"Failed to rename repository ''{0}'' to ''{1}''.", repositoryName,
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repository.name));
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}
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// rename the roles
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if (!loginService.renameRole(repositoryName, repository.name)) {
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throw new GitBlitException(MessageFormat.format(
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"Failed to rename repository permissions ''{0}'' to ''{1}''.",
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repositoryName, repository.name));
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}
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}
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// load repository
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logger.info("edit repository " + repository.name);
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try {
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r = repositoryResolver.open(null, repository.name);
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} catch (RepositoryNotFoundException e) {
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logger.error("Repository not found", e);
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} catch (ServiceNotEnabledException e) {
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logger.error("Service not enabled", e);
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}
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}
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// update settings
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if (r != null) {
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StoredConfig config = JGitUtils.readConfig(r);
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config.setString("gitblit", null, "description", repository.description);
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config.setString("gitblit", null, "owner", repository.owner);
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config.setBoolean("gitblit", null, "useTickets", repository.useTickets);
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config.setBoolean("gitblit", null, "useDocs", repository.useDocs);
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config.setString("gitblit", null, "accessRestriction",
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repository.accessRestriction.name());
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config.setBoolean("gitblit", null, "showRemoteBranches", repository.showRemoteBranches);
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config.setBoolean("gitblit", null, "isFrozen", repository.isFrozen);
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config.setBoolean("gitblit", null, "showReadme", repository.showReadme);
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try {
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config.save();
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} catch (IOException e) {
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logger.error("Failed to save repository config!", e);
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}
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r.close();
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}
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}
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public boolean deleteRepositoryModel(RepositoryModel model) {
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return deleteRepository(model.name);
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}
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public boolean deleteRepository(String repositoryName) {
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try {
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File folder = new File(repositoriesFolder, repositoryName);
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if (folder.exists() && folder.isDirectory()) {
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FileUtils.delete(folder, FileUtils.RECURSIVE);
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if (loginService.deleteRole(repositoryName)) {
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return true;
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}
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}
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} catch (Throwable t) {
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logger.error(MessageFormat.format("Failed to delete repository {0}", repositoryName), t);
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}
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return false;
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}
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public void configureContext(IStoredSettings settings) {
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logger.info("Reading configuration from " + settings.toString());
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this.storedSettings = settings;
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repositoriesFolder = new File(settings.getString(Keys.git.repositoriesFolder, "repos"));
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exportAll = settings.getBoolean(Keys.git.exportAll, true);
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repositoryResolver = new FileResolver<Void>(repositoriesFolder, exportAll);
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}
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@Override
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public void contextInitialized(ServletContextEvent contextEvent) {
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if (storedSettings == null) {
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// for running gitblit as a traditional webapp in a servlet container
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WebXmlSettings webxmlSettings = new WebXmlSettings(contextEvent.getServletContext());
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configureContext(webxmlSettings);
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}
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}
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@Override
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public void contextDestroyed(ServletContextEvent contextEvent) {
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logger.info("Gitblit context destroyed by servlet container.");
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}
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}
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