From a502d96a860456ec5e8c96761db70f7cabb74751 Mon Sep 17 00:00:00 2001
From: Paul Martin <paul@paulsputer.com>
Date: Sat, 30 Apr 2016 04:19:14 -0400
Subject: [PATCH] Merge pull request #1073 from gitblit/1062-DocEditorUpdates

---
 src/main/java/com/gitblit/servlet/RawServlet.java |   89 +++++++++++++++++++++++++++++---------------
 1 files changed, 58 insertions(+), 31 deletions(-)

diff --git a/src/main/java/com/gitblit/servlet/RawServlet.java b/src/main/java/com/gitblit/servlet/RawServlet.java
index ca41d0a..dca5773 100644
--- a/src/main/java/com/gitblit/servlet/RawServlet.java
+++ b/src/main/java/com/gitblit/servlet/RawServlet.java
@@ -24,12 +24,14 @@
 import java.text.ParseException;
 import java.util.ArrayList;
 import java.util.Date;
+import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 import java.util.TreeMap;
 
 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 +50,6 @@
 
 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;
@@ -56,8 +57,8 @@
 import com.gitblit.utils.JGitUtils;
 import com.gitblit.utils.MarkdownUtils;
 import com.gitblit.utils.StringUtils;
-
-import dagger.ObjectGraph;
+import com.google.inject.Inject;
+import com.google.inject.Singleton;
 
 /**
  * Serves the content of a branch.
@@ -65,20 +66,24 @@
  * @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;
 	}
 
 	/**
@@ -161,23 +166,14 @@
 		}
 
 		// determine repository and resource from url
-		String repository = "";
+		String repository = path;
 		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);
-			}
-			offset = ( slash + 1 );
+		int terminator = repository.length();
+		do {
+			repository = repository.substring(0, terminator);
 			r = repositoryManager.getRepository(repository, false);
-			if (repository.equals(path)) {
-				// either only repository in url or no repository found
-				break;
-			}
-		}
+			terminator = repository.lastIndexOf('/');
+		} while (r == null && terminator > -1 );
 
 		ServletContext context = request.getSession().getServletContext();
 
@@ -224,15 +220,39 @@
 				return;
 			}
 
+			Map<String, String> quickContentTypes = new HashMap<>();
+			quickContentTypes.put("html", "text/html");
+			quickContentTypes.put("htm", "text/html");
+			quickContentTypes.put("xml", "application/xml");
+			quickContentTypes.put("json", "application/json");
 
 			List<PathModel> pathEntries = JGitUtils.getFilesInPath(r, requestedPath, commit);
 			if (pathEntries.isEmpty()) {
 				// requested a specific resource
 				String file = StringUtils.getLastPathElement(requestedPath);
 				try {
-					// query Tika for the content type
-					Tika tika = new Tika();
-					String contentType = tika.detect(file);
+
+					String ext = StringUtils.getFileExtension(file).toLowerCase();
+					// We can't parse out an extension for classic "dotfiles", so make a general assumption that
+					// they're text files to allow presenting them in browser instead of only for download.
+					//
+					// However, that only holds for files with no other extension included, for files that happen
+					// to start with a dot but also include an extension, process the extension normally.
+					// This logic covers .gitattributes, .gitignore, .zshrc, etc., but does not cover .mongorc.js, .zshrc.bak
+					boolean isExtensionlessDotfile = file.charAt(0) == '.' && (file.length() == 1 || file.indexOf('.',  1) < 0);
+					String contentType = isExtensionlessDotfile ? "text/plain" : quickContentTypes.get(ext);
+
+					if (contentType == null) {
+						List<String> exts = runtimeManager.getSettings().getStrings(Keys.web.prettyPrintExtensions);
+						if (exts.contains(ext)) {
+							// extension is a registered text type for pretty printing
+							contentType = "text/plain";
+						} else {
+							// query Tika for the content type
+							Tika tika = new Tika();
+							contentType = tika.detect(file);
+						}
+					}
 
 					if (contentType == null) {
 						// ask the container for the content type
@@ -244,7 +264,7 @@
 						}
 					}
 
-					if (isTextType(contentType)) {
+					if (isTextType(contentType) || isTextDataType(contentType)) {
 
 						// load, interpret, and serve text content as UTF-8
 						String [] encodings = runtimeManager.getSettings().getStrings(Keys.web.blobEncodings).toArray(new String[0]);
@@ -344,7 +364,7 @@
 					if (pathEntries.get(0).path.indexOf('/') > -1) {
 						// we are in a subdirectory, add parent directory link
 						String pp = URLEncoder.encode(requestedPath, Constants.ENCODING);
-						pathEntries.add(0, new PathModel("..", pp + "/..", 0, FileMode.TREE.getBits(), null, null));
+						pathEntries.add(0, new PathModel("..", pp + "/..", null, 0, FileMode.TREE.getBits(), null, null));
 					}
 				}
 
@@ -373,6 +393,13 @@
 		if (contentType.startsWith("text/")
 				|| "application/json".equals(contentType)
 				|| "application/xml".equals(contentType)) {
+			return true;
+		}
+		return false;
+	}
+
+	protected boolean isTextDataType(String contentType) {
+		if ("image/svg+xml".equals(contentType)) {
 			return true;
 		}
 		return false;
@@ -439,7 +466,7 @@
 				served = true;
 			}
 		} finally {
-			tw.release();
+			tw.close();
 			rw.dispose();
 		}
 

--
Gitblit v1.9.1