From f66e89662c091e082bd1d2feb6ac91513ccff273 Mon Sep 17 00:00:00 2001
From: Rafael Cavazin <rafaelcavazin@gmail.com>
Date: Sun, 21 Jul 2013 09:59:00 -0400
Subject: [PATCH] Merge branch 'master' of https://github.com/gitblit/gitblit

---
 src/main/java/com/gitblit/RpcServlet.java |  348 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 348 insertions(+), 0 deletions(-)

diff --git a/src/main/java/com/gitblit/RpcServlet.java b/src/main/java/com/gitblit/RpcServlet.java
new file mode 100644
index 0000000..f31bf86
--- /dev/null
+++ b/src/main/java/com/gitblit/RpcServlet.java
@@ -0,0 +1,348 @@
+/*
+ * Copyright 2011 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;
+
+import java.io.IOException;
+import java.text.MessageFormat;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import org.eclipse.jgit.lib.Repository;
+
+import com.gitblit.Constants.RpcRequest;
+import com.gitblit.models.RefModel;
+import com.gitblit.models.RegistrantAccessPermission;
+import com.gitblit.models.RepositoryModel;
+import com.gitblit.models.ServerSettings;
+import com.gitblit.models.TeamModel;
+import com.gitblit.models.UserModel;
+import com.gitblit.utils.HttpUtils;
+import com.gitblit.utils.JGitUtils;
+import com.gitblit.utils.RpcUtils;
+
+/**
+ * Handles remote procedure calls.
+ * 
+ * @author James Moger
+ * 
+ */
+public class RpcServlet extends JsonServlet {
+
+	private static final long serialVersionUID = 1L;
+
+	public static final int PROTOCOL_VERSION = 5;
+
+	public RpcServlet() {
+		super();
+	}
+
+	/**
+	 * Processes an rpc request.
+	 * 
+	 * @param request
+	 * @param response
+	 * @throws javax.servlet.ServletException
+	 * @throws java.io.IOException
+	 */
+	@Override
+	protected void processRequest(HttpServletRequest request, HttpServletResponse response)
+			throws ServletException, IOException {
+		RpcRequest reqType = RpcRequest.fromName(request.getParameter("req"));
+		String objectName = request.getParameter("name");
+		logger.info(MessageFormat.format("Rpc {0} request from {1}", reqType,
+				request.getRemoteAddr()));
+
+		UserModel user = (UserModel) request.getUserPrincipal();
+
+		boolean allowManagement = user != null && user.canAdmin()
+				&& GitBlit.getBoolean(Keys.web.enableRpcManagement, false);
+
+		boolean allowAdmin = user != null && user.canAdmin()
+				&& GitBlit.getBoolean(Keys.web.enableRpcAdministration, false);
+
+		Object result = null;
+		if (RpcRequest.GET_PROTOCOL.equals(reqType)) {
+			// Return the protocol version
+			result = PROTOCOL_VERSION;
+		} else if (RpcRequest.LIST_REPOSITORIES.equals(reqType)) {
+			// Determine the Gitblit clone url
+			String gitblitUrl = HttpUtils.getGitblitURL(request);
+			StringBuilder sb = new StringBuilder();
+			sb.append(gitblitUrl);
+			sb.append(Constants.GIT_PATH);
+			sb.append("{0}");
+			String cloneUrl = sb.toString();
+
+			// list repositories
+			List<RepositoryModel> list = GitBlit.self().getRepositoryModels(user);
+			Map<String, RepositoryModel> repositories = new HashMap<String, RepositoryModel>();
+			for (RepositoryModel model : list) {
+				String url = MessageFormat.format(cloneUrl, model.name);
+				repositories.put(url, model);
+			}
+			result = repositories;
+		} else if (RpcRequest.LIST_BRANCHES.equals(reqType)) {
+			// list all local branches in all repositories accessible to user
+			Map<String, List<String>> localBranches = new HashMap<String, List<String>>();
+			List<RepositoryModel> models = GitBlit.self().getRepositoryModels(user);
+			for (RepositoryModel model : models) {
+				if (!model.hasCommits) {
+					// skip empty repository
+					continue;
+				}
+				if (model.isCollectingGarbage) {
+					// skip garbage collecting repository
+					logger.warn(MessageFormat.format("Temporarily excluding {0} from RPC, busy collecting garbage", model.name));
+					continue;
+				}
+				// get local branches
+				Repository repository = GitBlit.self().getRepository(model.name);
+				List<RefModel> refs = JGitUtils.getLocalBranches(repository, false, -1);
+				if (model.showRemoteBranches) {
+					// add remote branches if repository displays them
+					refs.addAll(JGitUtils.getRemoteBranches(repository, false, -1));
+				}
+				if (refs.size() > 0) {
+					List<String> branches = new ArrayList<String>();
+					for (RefModel ref : refs) {
+						branches.add(ref.getName());
+					}
+					localBranches.put(model.name, branches);
+				}
+				repository.close();
+			}
+			result = localBranches;
+		} else if (RpcRequest.LIST_USERS.equals(reqType)) {
+			// list users
+			List<String> names = GitBlit.self().getAllUsernames();
+			List<UserModel> users = new ArrayList<UserModel>();
+			for (String name : names) {
+				users.add(GitBlit.self().getUserModel(name));
+			}
+			result = users;
+		} else if (RpcRequest.LIST_TEAMS.equals(reqType)) {
+			// list teams
+			List<String> names = GitBlit.self().getAllTeamnames();
+			List<TeamModel> teams = new ArrayList<TeamModel>();
+			for (String name : names) {
+				teams.add(GitBlit.self().getTeamModel(name));
+			}
+			result = teams;
+		} else if (RpcRequest.CREATE_REPOSITORY.equals(reqType)) {
+			// create repository
+			RepositoryModel model = deserialize(request, response, RepositoryModel.class);
+			try {
+				GitBlit.self().updateRepositoryModel(model.name, model, true);
+			} catch (GitBlitException e) {
+				response.setStatus(failureCode);
+			}
+		} else if (RpcRequest.EDIT_REPOSITORY.equals(reqType)) {
+			// edit repository
+			RepositoryModel model = deserialize(request, response, RepositoryModel.class);
+			// name specifies original repository name in event of rename
+			String repoName = objectName;
+			if (repoName == null) {
+				repoName = model.name;
+			}
+			try {
+				GitBlit.self().updateRepositoryModel(repoName, model, false);
+			} catch (GitBlitException e) {
+				response.setStatus(failureCode);
+			}
+		} else if (RpcRequest.DELETE_REPOSITORY.equals(reqType)) {
+			// delete repository
+			RepositoryModel model = deserialize(request, response, RepositoryModel.class);
+			GitBlit.self().deleteRepositoryModel(model);
+		} else if (RpcRequest.CREATE_USER.equals(reqType)) {
+			// create user
+			UserModel model = deserialize(request, response, UserModel.class);
+			try {
+				GitBlit.self().updateUserModel(model.username, model, true);
+			} catch (GitBlitException e) {
+				response.setStatus(failureCode);
+			}
+		} else if (RpcRequest.EDIT_USER.equals(reqType)) {
+			// edit user
+			UserModel model = deserialize(request, response, UserModel.class);
+			// name parameter specifies original user name in event of rename
+			String username = objectName;
+			if (username == null) {
+				username = model.username;
+			}
+			try {
+				GitBlit.self().updateUserModel(username, model, false);
+			} catch (GitBlitException e) {
+				response.setStatus(failureCode);
+			}
+		} else if (RpcRequest.DELETE_USER.equals(reqType)) {
+			// delete user
+			UserModel model = deserialize(request, response, UserModel.class);
+			if (!GitBlit.self().deleteUser(model.username)) {
+				response.setStatus(failureCode);
+			}
+		} else if (RpcRequest.CREATE_TEAM.equals(reqType)) {
+			// create team
+			TeamModel model = deserialize(request, response, TeamModel.class);
+			try {
+				GitBlit.self().updateTeamModel(model.name, model, true);
+			} catch (GitBlitException e) {
+				response.setStatus(failureCode);
+			}
+		} else if (RpcRequest.EDIT_TEAM.equals(reqType)) {
+			// edit team
+			TeamModel model = deserialize(request, response, TeamModel.class);
+			// name parameter specifies original team name in event of rename
+			String teamname = objectName;
+			if (teamname == null) {
+				teamname = model.name;
+			}
+			try {
+				GitBlit.self().updateTeamModel(teamname, model, false);
+			} catch (GitBlitException e) {
+				response.setStatus(failureCode);
+			}
+		} else if (RpcRequest.DELETE_TEAM.equals(reqType)) {
+			// delete team
+			TeamModel model = deserialize(request, response, TeamModel.class);
+			if (!GitBlit.self().deleteTeam(model.name)) {
+				response.setStatus(failureCode);
+			}
+		} else if (RpcRequest.LIST_REPOSITORY_MEMBERS.equals(reqType)) {
+			// get repository members
+			RepositoryModel model = GitBlit.self().getRepositoryModel(objectName);
+			result = GitBlit.self().getRepositoryUsers(model);
+		} else if (RpcRequest.SET_REPOSITORY_MEMBERS.equals(reqType)) {
+			// rejected since 1.2.0
+			response.setStatus(failureCode);
+		} else if (RpcRequest.LIST_REPOSITORY_MEMBER_PERMISSIONS.equals(reqType)) {
+			// get repository member permissions
+			RepositoryModel model = GitBlit.self().getRepositoryModel(objectName);
+			result = GitBlit.self().getUserAccessPermissions(model);
+		} else if (RpcRequest.SET_REPOSITORY_MEMBER_PERMISSIONS.equals(reqType)) {
+			// set the repository permissions for the specified users
+			RepositoryModel model = GitBlit.self().getRepositoryModel(objectName);
+			Collection<RegistrantAccessPermission> permissions = deserialize(request, response, RpcUtils.REGISTRANT_PERMISSIONS_TYPE);
+			result = GitBlit.self().setUserAccessPermissions(model, permissions);
+		} else if (RpcRequest.LIST_REPOSITORY_TEAMS.equals(reqType)) {
+			// get repository teams
+			RepositoryModel model = GitBlit.self().getRepositoryModel(objectName);
+			result = GitBlit.self().getRepositoryTeams(model);
+		} else if (RpcRequest.SET_REPOSITORY_TEAMS.equals(reqType)) {
+			// rejected since 1.2.0
+			response.setStatus(failureCode);
+		} else if (RpcRequest.LIST_REPOSITORY_TEAM_PERMISSIONS.equals(reqType)) {
+			// get repository team permissions
+			RepositoryModel model = GitBlit.self().getRepositoryModel(objectName);
+			result = GitBlit.self().getTeamAccessPermissions(model);
+		} else if (RpcRequest.SET_REPOSITORY_TEAM_PERMISSIONS.equals(reqType)) {
+			// set the repository permissions for the specified teams
+			RepositoryModel model = GitBlit.self().getRepositoryModel(objectName);
+			Collection<RegistrantAccessPermission> permissions = deserialize(request, response, RpcUtils.REGISTRANT_PERMISSIONS_TYPE);
+			result = GitBlit.self().setTeamAccessPermissions(model, permissions);
+		} else if (RpcRequest.LIST_FEDERATION_REGISTRATIONS.equals(reqType)) {
+			// return the list of federation registrations
+			if (allowAdmin) {
+				result = GitBlit.self().getFederationRegistrations();
+			} else {
+				response.sendError(notAllowedCode);
+			}
+		} else if (RpcRequest.LIST_FEDERATION_RESULTS.equals(reqType)) {
+			// return the list of federation result registrations
+			if (allowAdmin && GitBlit.canFederate()) {
+				result = GitBlit.self().getFederationResultRegistrations();
+			} else {
+				response.sendError(notAllowedCode);
+			}
+		} else if (RpcRequest.LIST_FEDERATION_PROPOSALS.equals(reqType)) {
+			// return the list of federation proposals
+			if (allowAdmin && GitBlit.canFederate()) {
+				result = GitBlit.self().getPendingFederationProposals();
+			} else {
+				response.sendError(notAllowedCode);
+			}
+		} else if (RpcRequest.LIST_FEDERATION_SETS.equals(reqType)) {
+			// return the list of federation sets
+			if (allowAdmin && GitBlit.canFederate()) {
+				String gitblitUrl = HttpUtils.getGitblitURL(request);
+				result = GitBlit.self().getFederationSets(gitblitUrl);
+			} else {
+				response.sendError(notAllowedCode);
+			}
+		} else if (RpcRequest.LIST_SETTINGS.equals(reqType)) {
+			// return the server's settings
+			ServerSettings settings = GitBlit.self().getSettingsModel();
+			if (allowAdmin) {
+				// return all settings
+				result = settings;
+			} else {
+				// anonymous users get a few settings to allow browser launching
+				List<String> keys = new ArrayList<String>();
+				keys.add(Keys.web.siteName);
+				keys.add(Keys.web.mountParameters);
+				keys.add(Keys.web.syndicationEntries);
+
+				if (allowManagement) {
+					// keys necessary for repository and/or user management
+					keys.add(Keys.realm.minPasswordLength);
+					keys.add(Keys.realm.passwordStorage);
+					keys.add(Keys.federation.sets);
+				}
+				// build the settings
+				ServerSettings managementSettings = new ServerSettings();
+				for (String key : keys) {
+					managementSettings.add(settings.get(key));
+				}
+				if (allowManagement) {
+					managementSettings.pushScripts = settings.pushScripts;
+				}
+				result = managementSettings;
+			}
+		} else if (RpcRequest.EDIT_SETTINGS.equals(reqType)) {
+			// update settings on the server
+			if (allowAdmin) {
+				Map<String, String> settings = deserialize(request, response,
+						RpcUtils.SETTINGS_TYPE);
+				GitBlit.self().updateSettings(settings);
+			} else {
+				response.sendError(notAllowedCode);
+			}
+		} else if (RpcRequest.LIST_STATUS.equals(reqType)) {
+			// return the server's status information
+			if (allowAdmin) {
+				result = GitBlit.self().getStatus();
+			} else {
+				response.sendError(notAllowedCode);
+			}
+		} else if (RpcRequest.CLEAR_REPOSITORY_CACHE.equals(reqType)) {
+			// clear the repository list cache
+			if (allowManagement) {
+				GitBlit.self().resetRepositoryListCache();
+			} else {
+				response.sendError(notAllowedCode);
+			}
+		}
+
+		// send the result of the request
+		serialize(response, result);
+	}
+}

--
Gitblit v1.9.1