githubFork/gitblit.git - Solinfo Gitblit

			@@ -1,329 +1,116 @@
			/*
			* Copyright 2012 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.servlet;

			import java.io.IOException;
			import java.text.MessageFormat;
			import java.text.ParseException;
			import java.util.ArrayList;
			import java.util.List;
			import java.util.Set;
			import java.util.TreeSet;

			import javax.servlet.ServletContext;
			import javax.servlet.ServletException;
			import javax.servlet.http.HttpServletRequest;
			import javax.servlet.http.HttpServletResponse;

			import org.eclipse.jgit.lib.FileMode;
			import org.eclipse.jgit.lib.Repository;
			import org.eclipse.jgit.revwalk.RevCommit;
			import org.eclipse.jgit.revwalk.RevTree;
			import org.slf4j.Logger;
			import org.slf4j.LoggerFactory;

			import com.gitblit.Constants;
			import com.gitblit.IStoredSettings;
			import com.gitblit.Keys;
			import com.gitblit.dagger.DaggerServlet;
			import com.gitblit.manager.IRepositoryManager;
			import com.gitblit.models.PathModel;
			import com.gitblit.models.RefModel;
			import com.gitblit.utils.ArrayUtils;
			import com.gitblit.utils.ByteFormat;
			import com.gitblit.utils.JGitUtils;
			import com.gitblit.utils.MarkdownUtils;
			import com.gitblit.utils.StringUtils;
			import com.gitblit.wicket.MarkupProcessor;
			import com.gitblit.wicket.MarkupProcessor.MarkupDocument;

			import dagger.ObjectGraph;

			/**
			* Serves the content of a gh-pages branch.
			*
			* @author James Moger
			*
			*/
			public class PagesServlet extends DaggerServlet {

			private static final long serialVersionUID = 1L;

			private transient Logger logger = LoggerFactory.getLogger(PagesServlet.class);

			private IStoredSettings settings;

			private IRepositoryManager repositoryManager;

			@Override
			protected void inject(ObjectGraph dagger) {
			this.settings = dagger.get(IStoredSettings.class);
			this.repositoryManager = dagger.get(IRepositoryManager.class);
			}

			/**
			* Returns an url to this servlet for the specified parameters.
			*
			* @param baseURL
			* @param repository
			* @param path
			* @return an url
			*/
			public static String asLink(String baseURL, String repository, String path) {
			if (baseURL.length() > 0 && baseURL.charAt(baseURL.length() - 1) == '/') {
			baseURL = baseURL.substring(0, baseURL.length() - 1);
			}
			return baseURL + Constants.PAGES + repository + "/" + (path == null ? "" : ("/" + path));
			}

			/**
			* Retrieves the specified resource from the gh-pages branch of the
			* repository.
			*
			* @param request
			* @param response
			* @throws javax.servlet.ServletException
			* @throws java.io.IOException
			*/
			private void processRequest(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
			String path = request.getPathInfo();
			if (path.toLowerCase().endsWith(".git")) {
			// forward to url with trailing /
			// this is important for relative pages links
			response.sendRedirect(request.getServletPath() + path + "/");
			return;
			}
			if (path.charAt(0) == '/') {
			// strip leading /
			path = path.substring(1);
			}
			if (path.charAt(path.length() - 1) == '/') {
			// strip trailing slash
			path = path.substring(0, path.length() - 1);
			}

			// determine repository and resource from url
			String repository = "";
			String resource = "";
			Repository r = null;
			int offset = 0;
			while (r == null) {
			int slash = path.indexOf('/', offset);
			if (slash == -1) {
			repository = path;
			} else {
			repository = path.substring(0, slash);
			}
			r = repositoryManager.getRepository(repository, false);
			offset = slash + 1;
			if (offset > 0) {
			resource = path.substring(offset);
			}
			if (repository.equals(path)) {
			// either only repository in url or no repository found
			break;
			}
			}

			ServletContext context = request.getSession().getServletContext();

			try {
			if (r == null) {
			// repository not found!
			String mkd = MessageFormat.format(
			"# Error\nSorry, no valid repository specified in this url: {0}!",
			repository);
			error(response, mkd);
			return;
			}

			// retrieve the content from the repository
			RefModel pages = JGitUtils.getPagesBranch(r);
			RevCommit commit = JGitUtils.getCommit(r, pages.getObjectId().getName());

			if (commit == null) {
			// branch not found!
			String mkd = MessageFormat.format(
			"# Error\nSorry, the repository {0} does not have a gh-pages branch!",
			repository);
			error(response, mkd);
			r.close();
			return;
			}

			MarkupProcessor processor = new MarkupProcessor(settings);
			String [] encodings = settings.getStrings(Keys.web.blobEncodings).toArray(new String[0]);

			RevTree tree = commit.getTree();

			String res = resource;
			if (res.endsWith("/")) {
			res = res.substring(0, res.length() - 1);
			}
			Set<String> names = new TreeSet<String>();
			for (PathModel entry : JGitUtils.getFilesInPath(r, res, commit)) {
			names.add(entry.name);
			}

			byte[] content = null;
			if (names.isEmpty()) {
			// not a path, a specific resource
			try {
			String contentType = context.getMimeType(resource);
			if (contentType == null) {
			contentType = "text/plain";
			}
			if (contentType.startsWith("text")) {
			content = JGitUtils.getStringContent(r, tree, resource, encodings).getBytes(
			Constants.ENCODING);
			} else {
			content = JGitUtils.getByteContent(r, tree, resource, false);
			}
			response.setContentType(contentType);
			} catch (Exception e) {
			}
			} else {
			// path
			List<String> extensions = new ArrayList<String>();
			extensions.add("html");
			extensions.add("htm");
			extensions.addAll(processor.getMarkupExtensions());
			for (String ext : extensions) {
			String file = "index." + ext;

			if (names.contains(file)) {
			String stringContent = JGitUtils.getStringContent(r, tree, file, encodings);
			if (stringContent == null) {
			continue;
			}
			content = stringContent.getBytes(Constants.ENCODING);
			if (content != null) {
			resource = file;
			// assume text/html unless the servlet container
			// overrides
			response.setContentType("text/html; charset=" + Constants.ENCODING);
			break;
			}
			}
			}
			}

			// no content, try custom 404 page
			if (ArrayUtils.isEmpty(content)) {
			String ext = StringUtils.getFileExtension(resource);
			if (StringUtils.isEmpty(ext)) {
			// document list
			response.setContentType("text/html");
			response.getWriter().append("<style>table th, table td { min-width: 150px; text-align: left; }</style>");
			response.getWriter().append("<table>");
			response.getWriter().append("<thead><tr><th>path</th><th>mode</th><th>size</th></tr>");
			response.getWriter().append("</thead>");
			response.getWriter().append("<tbody>");
			String pattern = "<tr><td><a href=\"{0}/{1}\">{1}</a></td><td>{2}</td><td>{3}</td></tr>";
			final ByteFormat byteFormat = new ByteFormat();
			List<PathModel> entries = JGitUtils.getFilesInPath(r, resource, commit);
			if (!entries.isEmpty()) {
			if (entries.get(0).path.indexOf('/') > -1) {
			// we are in a subdirectory, add parent directory link
			entries.add(0, new PathModel("..", resource + "/..", 0, FileMode.TREE.getBits(), null, null));
			}
			}

			String basePath = request.getServletPath() + request.getPathInfo();
			if (basePath.charAt(basePath.length() - 1) == '/') {
			// strip trailing slash
			basePath = basePath.substring(0, basePath.length() - 1);
			}
			for (PathModel entry : entries) {
			response.getWriter().append(MessageFormat.format(pattern, basePath, entry.name,
			JGitUtils.getPermissionsFromMode(entry.mode), byteFormat.format(entry.size)));
			}
			response.getWriter().append("</tbody>");
			response.getWriter().append("</table>");
			} else {
			// 404
			String custom404 = JGitUtils.getStringContent(r, tree, "404.html", encodings);
			if (!StringUtils.isEmpty(custom404)) {
			content = custom404.getBytes(Constants.ENCODING);
			}

			// still no content
			if (ArrayUtils.isEmpty(content)) {
			String str = MessageFormat.format(
			"# Error\nSorry, the requested resource {0} was not found.",
			resource);
			content = MarkdownUtils.transformMarkdown(str).getBytes(Constants.ENCODING);
			}

			try {
			// output the content
			logger.warn("Pages 404: " + resource);
			response.setStatus(HttpServletResponse.SC_NOT_FOUND);
			response.getOutputStream().write(content);
			response.flushBuffer();
			} catch (Throwable t) {
			logger.error("Failed to write page to client", t);
			}
			}
			return;
			}

			// check to see if we should transform markup files
			String ext = StringUtils.getFileExtension(resource);
			if (processor.getMarkupExtensions().contains(ext)) {
			String markup = new String(content, Constants.ENCODING);
			MarkupDocument markupDoc = processor.parse(repository, commit.getName(), resource, markup);
			content = markupDoc.html.getBytes("UTF-8");
			response.setContentType("text/html; charset=" + Constants.ENCODING);
			}

			try {
			// output the content
			response.setHeader("Cache-Control", "public, max-age=3600, must-revalidate");
			response.setDateHeader("Last-Modified", JGitUtils.getCommitDate(commit).getTime());
			response.getOutputStream().write(content);
			response.flushBuffer();
			} catch (Throwable t) {
			logger.error("Failed to write page to client", t);
			}

			// close the repository
			r.close();
			} catch (Throwable t) {
			logger.error("Failed to write page to client", t);
			}
			}

			private void error(HttpServletResponse response, String mkd) throws ServletException,
			IOException, ParseException {
			String content = MarkdownUtils.transformMarkdown(mkd);
			response.setContentType("text/html; charset=" + Constants.ENCODING);
			response.getWriter().write(content);
			}

			@Override
			protected void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
			processRequest(request, response);
			}

			@Override
			protected void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
			processRequest(request, response);
			}
			}
			/*
			* Copyright 2012 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.servlet;

			import java.io.IOException;
			import java.io.InputStream;
			import java.util.Date;

			import javax.servlet.ServletException;
			import javax.servlet.http.HttpServletRequest;
			import javax.servlet.http.HttpServletResponse;

			import org.eclipse.jgit.lib.Repository;
			import org.eclipse.jgit.revwalk.RevCommit;

			import com.gitblit.Constants;
			import com.gitblit.manager.IRepositoryManager;
			import com.gitblit.manager.IRuntimeManager;
			import com.gitblit.utils.JGitUtils;
			import com.google.inject.Inject;
			import com.google.inject.Singleton;

			/**
			* Serves the content of a gh-pages branch.
			*
			* @author James Moger
			*
			*/
			@Singleton
			public class PagesServlet extends RawServlet {

			private static final long serialVersionUID = 1L;


			/**
			* Returns an url to this servlet for the specified parameters.
			*
			* @param baseURL
			* @param repository
			* @param path
			* @return an url
			*/
			public static String asLink(String baseURL, String repository, String path) {
			if (baseURL.length() > 0 && baseURL.charAt(baseURL.length() - 1) == '/') {
			baseURL = baseURL.substring(0, baseURL.length() - 1);
			}
			return baseURL + Constants.PAGES + repository + "/" + (path == null ? "" : ("/" + path));
			}

			@Inject
			public PagesServlet(
			IRuntimeManager runtimeManager,
			IRepositoryManager repositoryManager) {

			super(runtimeManager, repositoryManager);
			}

			@Override
			protected String getBranch(String repository, HttpServletRequest request) {
			return "gh-pages";
			}

			@Override
			protected String getPath(String repository, String branch, HttpServletRequest request) {
			String pi = request.getPathInfo().substring(1);
			if (pi.equals(repository)) {
			return "";
			}
			String path = pi.substring(pi.indexOf(repository) + repository.length() + 1);
			if (path.endsWith("/")) {
			path = path.substring(0, path.length() - 1);
			}
			return path;
			}

			@Override
			protected boolean renderIndex() {
			return true;
			}

			@Override
			protected void setContentType(HttpServletResponse response, String contentType) {
			response.setContentType(contentType);;
			}

			@Override
			protected boolean streamFromRepo(HttpServletRequest request, HttpServletResponse response, Repository repository,
			RevCommit commit, String requestedPath) throws IOException {

			response.setDateHeader("Last-Modified", JGitUtils.getCommitDate(commit).getTime());
			response.setHeader("Cache-Control", "public, max-age=3600, must-revalidate");

			return super.streamFromRepo(request, response, repository, commit, requestedPath);
			}

			@Override
			protected void sendContent(HttpServletResponse response, Date date, InputStream is) throws ServletException, IOException {
			response.setDateHeader("Last-Modified", date.getTime());
			response.setHeader("Cache-Control", "public, max-age=3600, must-revalidate");

			super.sendContent(response, date, is);
			}
			}