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- /*
- * Copyright 2013 gitblit.com.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
- package com.gitblit.manager;
-
- import java.io.IOException;
- import java.text.MessageFormat;
- import java.util.Arrays;
- import java.util.Date;
- import java.util.List;
- import java.util.concurrent.Executors;
- import java.util.concurrent.ScheduledExecutorService;
- import java.util.concurrent.TimeUnit;
-
- import javax.servlet.http.HttpServletRequest;
-
- import org.slf4j.Logger;
- import org.slf4j.LoggerFactory;
-
- import com.gitblit.Constants.AccessPermission;
- import com.gitblit.Constants.AccessRestrictionType;
- import com.gitblit.Constants.FederationToken;
- import com.gitblit.IStoredSettings;
- import com.gitblit.Keys;
- import com.gitblit.fanout.FanoutNioService;
- import com.gitblit.fanout.FanoutService;
- import com.gitblit.fanout.FanoutSocketService;
- import com.gitblit.git.GitDaemon;
- import com.gitblit.models.FederationModel;
- import com.gitblit.models.RepositoryModel;
- import com.gitblit.models.UserModel;
- import com.gitblit.service.FederationPullService;
- import com.gitblit.utils.StringUtils;
- import com.gitblit.utils.TimeUtils;
-
- /**
- * Services manager manages long-running services/processes that either have no
- * direct relation to other managers OR require really high-level manager
- * integration (i.e. a Gitblit instance).
- *
- * @author James Moger
- *
- */
- public class ServicesManager implements IManager {
-
- private final Logger logger = LoggerFactory.getLogger(getClass());
-
- private final ScheduledExecutorService scheduledExecutor = Executors.newScheduledThreadPool(5);
-
- private final IStoredSettings settings;
-
- private final IGitblit gitblit;
-
- private FanoutService fanoutService;
-
- private GitDaemon gitDaemon;
-
- public ServicesManager(IGitblit gitblit) {
- this.settings = gitblit.getSettings();
- this.gitblit = gitblit;
- }
-
- @Override
- public ServicesManager start() {
- configureFederation();
- configureFanout();
- configureGitDaemon();
-
- return this;
- }
-
- @Override
- public ServicesManager stop() {
- scheduledExecutor.shutdownNow();
- if (fanoutService != null) {
- fanoutService.stop();
- }
- if (gitDaemon != null) {
- gitDaemon.stop();
- }
- return this;
- }
-
- protected void configureFederation() {
- boolean validPassphrase = true;
- String passphrase = settings.getString(Keys.federation.passphrase, "");
- if (StringUtils.isEmpty(passphrase)) {
- logger.info("Federation passphrase is blank! This server can not be PULLED from.");
- validPassphrase = false;
- }
- if (validPassphrase) {
- // standard tokens
- for (FederationToken tokenType : FederationToken.values()) {
- logger.info(MessageFormat.format("Federation {0} token = {1}", tokenType.name(),
- gitblit.getFederationToken(tokenType)));
- }
-
- // federation set tokens
- for (String set : settings.getStrings(Keys.federation.sets)) {
- logger.info(MessageFormat.format("Federation Set {0} token = {1}", set,
- gitblit.getFederationToken(set)));
- }
- }
-
- // Schedule or run the federation executor
- List<FederationModel> registrations = gitblit.getFederationRegistrations();
- if (registrations.size() > 0) {
- FederationPuller executor = new FederationPuller(registrations);
- scheduledExecutor.schedule(executor, 1, TimeUnit.MINUTES);
- }
- }
-
- protected void configureGitDaemon() {
- int port = settings.getInteger(Keys.git.daemonPort, 0);
- String bindInterface = settings.getString(Keys.git.daemonBindInterface, "localhost");
- if (port > 0) {
- try {
- gitDaemon = new GitDaemon(gitblit);
- gitDaemon.start();
- } catch (IOException e) {
- gitDaemon = null;
- logger.error(MessageFormat.format("Failed to start Git Daemon on {0}:{1,number,0}", bindInterface, port), e);
- }
- } else {
- logger.info("Git Daemon is disabled.");
- }
- }
-
- protected void configureFanout() {
- // startup Fanout PubSub service
- if (settings.getInteger(Keys.fanout.port, 0) > 0) {
- String bindInterface = settings.getString(Keys.fanout.bindInterface, null);
- int port = settings.getInteger(Keys.fanout.port, FanoutService.DEFAULT_PORT);
- boolean useNio = settings.getBoolean(Keys.fanout.useNio, true);
- int limit = settings.getInteger(Keys.fanout.connectionLimit, 0);
-
- if (useNio) {
- if (StringUtils.isEmpty(bindInterface)) {
- fanoutService = new FanoutNioService(port);
- } else {
- fanoutService = new FanoutNioService(bindInterface, port);
- }
- } else {
- if (StringUtils.isEmpty(bindInterface)) {
- fanoutService = new FanoutSocketService(port);
- } else {
- fanoutService = new FanoutSocketService(bindInterface, port);
- }
- }
-
- fanoutService.setConcurrentConnectionLimit(limit);
- fanoutService.setAllowAllChannelAnnouncements(false);
- fanoutService.start();
- } else {
- logger.info("Fanout PubSub service is disabled.");
- }
- }
-
- public String getGitDaemonUrl(HttpServletRequest request, UserModel user, RepositoryModel repository) {
- if (gitDaemon != null) {
- String bindInterface = settings.getString(Keys.git.daemonBindInterface, "localhost");
- if (bindInterface.equals("localhost")
- && (!request.getServerName().equals("localhost") && !request.getServerName().equals("127.0.0.1"))) {
- // git daemon is bound to localhost and the request is from elsewhere
- return null;
- }
- if (user.canClone(repository)) {
- String servername = request.getServerName();
- String url = gitDaemon.formatUrl(servername, repository.name);
- return url;
- }
- }
- return null;
- }
-
- public AccessPermission getGitDaemonAccessPermission(UserModel user, RepositoryModel repository) {
- if (gitDaemon != null && user.canClone(repository)) {
- AccessPermission gitDaemonPermission = user.getRepositoryPermission(repository).permission;
- if (gitDaemonPermission.atLeast(AccessPermission.CLONE)) {
- if (repository.accessRestriction.atLeast(AccessRestrictionType.CLONE)) {
- // can not authenticate clone via anonymous git protocol
- gitDaemonPermission = AccessPermission.NONE;
- } else if (repository.accessRestriction.atLeast(AccessRestrictionType.PUSH)) {
- // can not authenticate push via anonymous git protocol
- gitDaemonPermission = AccessPermission.CLONE;
- } else {
- // normal user permission
- }
- }
- return gitDaemonPermission;
- }
- return AccessPermission.NONE;
- }
-
-
- private class FederationPuller extends FederationPullService {
-
- public FederationPuller(FederationModel registration) {
- super(gitblit, Arrays.asList(registration));
- }
-
- public FederationPuller(List<FederationModel> registrations) {
- super(gitblit, registrations);
- }
-
- @Override
- public void reschedule(FederationModel registration) {
- // schedule the next pull
- int mins = TimeUtils.convertFrequencyToMinutes(registration.frequency);
- registration.nextPull = new Date(System.currentTimeMillis() + (mins * 60 * 1000L));
- scheduledExecutor.schedule(new FederationPuller(registration), mins, TimeUnit.MINUTES);
- logger.info(MessageFormat.format(
- "Next pull of {0} @ {1} scheduled for {2,date,yyyy-MM-dd HH:mm}",
- registration.name, registration.url, registration.nextPull));
- }
-
- }
- }
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