James Moger
2014-10-26 3faf6f6469759538590aa7f1012c543f95583c56
src/main/java/com/gitblit/servlet/RawServlet.java
@@ -28,8 +28,11 @@
import java.util.Map;
import java.util.TreeMap;
import com.google.inject.Inject;
import com.google.inject.Singleton;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
@@ -48,7 +51,6 @@
import com.gitblit.Constants;
import com.gitblit.Keys;
import com.gitblit.dagger.DaggerServlet;
import com.gitblit.manager.IRepositoryManager;
import com.gitblit.manager.IRuntimeManager;
import com.gitblit.models.PathModel;
@@ -57,28 +59,30 @@
import com.gitblit.utils.MarkdownUtils;
import com.gitblit.utils.StringUtils;
import dagger.ObjectGraph;
/**
 * Serves the content of a branch.
 *
 * @author James Moger
 *
 */
public class RawServlet extends DaggerServlet {
@Singleton
public class RawServlet extends HttpServlet {
   private static final long serialVersionUID = 1L;
   private transient Logger logger = LoggerFactory.getLogger(RawServlet.class);
   private IRuntimeManager runtimeManager;
   private final IRuntimeManager runtimeManager;
   private IRepositoryManager repositoryManager;
   private final IRepositoryManager repositoryManager;
   @Override
   protected void inject(ObjectGraph dagger) {
      this.runtimeManager = dagger.get(IRuntimeManager.class);
      this.repositoryManager = dagger.get(IRepositoryManager.class);
   @Inject
   public RawServlet(
         IRuntimeManager runtimeManager,
         IRepositoryManager repositoryManager) {
      this.runtimeManager = runtimeManager;
      this.repositoryManager = repositoryManager;
   }
   /**
@@ -95,21 +99,17 @@
         baseURL = baseURL.substring(0, baseURL.length() - 1);
      }
      char fsc = '!';
      char c = GitblitContext.getManager(IRuntimeManager.class).getSettings().getChar(Keys.web.forwardSlashCharacter, '/');
      if (c != '/') {
         fsc = c;
      }
      if (branch != null) {
         char fsc = '!';
         char c = GitblitContext.getManager(IRuntimeManager.class).getSettings().getChar(Keys.web.forwardSlashCharacter, '/');
         if (c != '/') {
            fsc = c;
         }
         branch = branch.replace('/', fsc);
         branch = Repository.shortenRefName(branch).replace('/', fsc);
      }
      String encodedPath = path == null ? "" : path.replace(' ', '-');
      try {
         encodedPath = URLEncoder.encode(encodedPath, "UTF-8");
      } catch (UnsupportedEncodingException e) {
      }
      return baseURL + Constants.RAW_PATH + repository + "/" + (branch == null ? "" : (branch + "/" + (path == null ? "" : encodedPath)));
      String encodedPath = path == null ? "" : path.replace('/', fsc);
      return baseURL + Constants.RAW_PATH + repository + "/" + (branch == null ? "" : (branch + "/" + encodedPath));
   }
   protected String getBranch(String repository, HttpServletRequest request) {
@@ -133,7 +133,8 @@
      if (path.endsWith("/")) {
         path = path.substring(0, path.length() - 1);
      }
      return path;
      char c = runtimeManager.getSettings().getChar(Keys.web.forwardSlashCharacter, '/');
      return path.replace('!', '/').replace(c, '/');
   }
   protected boolean renderIndex() {
@@ -174,10 +175,7 @@
         } else {
            repository = path.substring(0, slash);
         }
         offset += slash;
         if (offset == 0) {
            offset++;
         }
         offset = ( slash + 1 );
         r = repositoryManager.getRepository(repository, false);
         if (repository.equals(path)) {
            // either only repository in url or no repository found
@@ -250,41 +248,29 @@
                  }
               }
               setContentType(response, contentType);
               if (isTextType(contentType)) {
                  // load, interpret, and serve text content as UTF-8
                  String [] encodings = runtimeManager.getSettings().getStrings(Keys.web.blobEncodings).toArray(new String[0]);
                  String content = JGitUtils.getStringContent(r, commit.getTree(), requestedPath, encodings);
                  if (content == null) {
                     logger.error("RawServlet Failed to load {} {} {}", repository, commit.getName(), path);
                     notFound(response, requestedPath, branch);
                     return;
                  }
                  byte [] bytes = content.getBytes(Constants.ENCODING);
                  setContentType(response, contentType);
                  response.setContentLength(bytes.length);
                  ByteArrayInputStream is = new ByteArrayInputStream(bytes);
                  sendContent(response, JGitUtils.getCommitDate(commit), is);
               } else {
                  // serve binary content
                  String filename = StringUtils.getLastPathElement(requestedPath);
                  try {
                      String userAgent = request.getHeader("User-Agent");
                     if (userAgent != null && userAgent.indexOf("MSIE 5.5") > -1) {
                           response.setHeader("Content-Disposition", "filename=\""
                                 +  URLEncoder.encode(filename, Constants.ENCODING) + "\"");
                     } else if (userAgent != null && userAgent.indexOf("MSIE") > -1) {
                           response.setHeader("Content-Disposition", "attachment; filename=\""
                                 +  URLEncoder.encode(filename, Constants.ENCODING) + "\"");
                     } else {
                           response.setHeader("Content-Disposition", "attachment; filename=\""
                                 + new String(filename.getBytes(Constants.ENCODING), "latin1") + "\"");
                     }
                  }
                  catch (UnsupportedEncodingException e) {
                     response.setHeader("Content-Disposition", "attachment; filename=\"" + filename + "\"");
                  }
                  // stream binary content directly from the repository
                  streamFromRepo(response, r, commit, requestedPath);
                  if (!streamFromRepo(request, response, r, commit, requestedPath)) {
                     logger.error("RawServlet Failed to load {} {} {}", repository, commit.getName(), path);
                     notFound(response, requestedPath, branch);
                  }
               }
               return;
            } catch (Exception e) {
@@ -344,11 +330,7 @@
         // no content, document list or 404 page
         if (pathEntries.isEmpty()) {
            // default 404 page
            String str = MessageFormat.format(
                  "# Error\nSorry, the requested resource **{0}** was not found.",
                  requestedPath);
            response.setStatus(HttpServletResponse.SC_NOT_FOUND);
            error(response, str);
            notFound(response, requestedPath, branch);
            return;
         } else {
            //
@@ -414,12 +396,10 @@
      }
   }
   private void streamFromRepo(HttpServletResponse response, Repository repository,
   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");
      boolean served = false;
      RevWalk rw = new RevWalk(repository);
      TreeWalk tw = new TreeWalk(repository);
      try {
@@ -437,10 +417,30 @@
            }
            tw.getObjectId(id, 0);
            String filename = StringUtils.getLastPathElement(requestedPath);
            try {
                String userAgent = request.getHeader("User-Agent");
               if (userAgent != null && userAgent.indexOf("MSIE 5.5") > -1) {
                     response.setHeader("Content-Disposition", "filename=\""
                           +  URLEncoder.encode(filename, Constants.ENCODING) + "\"");
               } else if (userAgent != null && userAgent.indexOf("MSIE") > -1) {
                     response.setHeader("Content-Disposition", "attachment; filename=\""
                           +  URLEncoder.encode(filename, Constants.ENCODING) + "\"");
               } else {
                     response.setHeader("Content-Disposition", "attachment; filename=\""
                           + new String(filename.getBytes(Constants.ENCODING), "latin1") + "\"");
               }
            }
            catch (UnsupportedEncodingException e) {
               response.setHeader("Content-Disposition", "attachment; filename=\"" + filename + "\"");
            }
            long len = reader.getObjectSize(id, org.eclipse.jgit.lib.Constants.OBJ_BLOB);
            setContentType(response, "application/octet-stream");
            response.setIntHeader("Content-Length", (int) len);
            ObjectLoader ldr = repository.open(id);
            ldr.copyTo(response.getOutputStream());
            served = true;
         }
      } finally {
         tw.release();
@@ -448,11 +448,11 @@
      }
      response.flushBuffer();
      return served;
   }
   private 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");
   protected void sendContent(HttpServletResponse response, Date date, InputStream is) throws ServletException, IOException {
      try {
         byte[] tmp = new byte[8192];
         int len = 0;
@@ -465,6 +465,15 @@
      response.flushBuffer();
   }
   protected void notFound(HttpServletResponse response, String requestedPath, String branch)
         throws ParseException, ServletException, IOException {
      String str = MessageFormat.format(
            "# Error\nSorry, the requested resource **{0}** was not found in **{1}**.",
            requestedPath, branch);
      response.setStatus(HttpServletResponse.SC_NOT_FOUND);
      error(response, str);
   }
   private void error(HttpServletResponse response, String mkd) throws ServletException,
         IOException, ParseException {
      String content = MarkdownUtils.transformMarkdown(mkd);