add autoindex to example.FileServer

src/de/tudbut/tryumph/example/FileServer.java

@@ -1,5 +1,6 @@
 package de.tudbut.tryumph.example;
 
+import java.io.File;
 import java.net.Socket;
 
 import org.w3c.dom.Document;
@@ -58,28 +59,28 @@ public class FileServer implements IRequestCatcher, RequestHandler.Listener {
 
     private String fileContent(Request request, String s) {
         String r;
-        if(!s.endsWith(".html") && !s.endsWith(".htm")) {
+        if(new File(s + "/index.html").exists())
-            r = request.context.file(s);
+            s += "/index.html";
+        if(!s.endsWith(".html") && !s.endsWith(".htm") && !(new File(s).isDirectory())) {
+            r = request.context.file(s, data.getBoolean("autoindex") ? request.realPath : null);
             r = "<pre>" + r.replace("<", "&lt;").replace(">", "&gt;") + "</pre>";
         }
         else
-            r = request.context.fileUTF(s);
+            r = request.context.fileUTF(s, data.getBoolean("autoindex") ? request.realPath : null);
         return r;
     }
 
     @GET
-    @Path(".*/")
+    @Path("/.*")
-    public void onIndex(Request request, Callback<Response> res, Callback<Throwable> rej) {
-        res.call(new Response(request, fileContent(request, data.getString("dir") + request.realPath.replace("..", "") + "/index.html"), 200, "OK"));
-    }
-
-    @GET
-    @Path("/.+")
     public void onFile(Request request, Callback<Response> res, Callback<Throwable> rej) {
         if(request.realPath.equals("/style.css")) {
             res.call(new Response(request, request.context.file("style.css"), 200, "OK", "text/css"));
             return;
         }
+        if(request.realPath.matches("/.$|/./|/..$|/../")) {
+            res.call(new Response(request, "<h1>" + request.realPath + " is an illegal path</h1>", 400, "Bad request"));
+            return; 
+        }
         res.call(new Response(request, fileContent(request, data.getString("dir") + request.realPath.replace("..", "")), 200, "OK"));
     }
 

src/de/tudbut/tryumph/server/BrowserContext.java

@@ -3,6 +3,7 @@ package de.tudbut.tryumph.server;
 import static de.tudbut.async.Async.*;
 
 import java.io.ByteArrayOutputStream;
+import java.io.File;
 import java.io.FileInputStream;
 import java.io.IOException;
 import java.io.InputStream;
@@ -124,20 +125,36 @@ public class BrowserContext {
 
     private static final HashMap<String, String> cache = new HashMap<>();
     public String file(String file) {
+        return file(file, null);
+    }
+    public String fileUTF(String file) {
+        return fileUTF(file, null);
+    }
+    public String file(String file, String path) {
         if(cache.containsKey(file))
             return cache.get(file);
         StringBuilder builder = new StringBuilder();
         try {
             InputStream stream = requestCatcher.getClass().getClassLoader().getResourceAsStream(file);
-            if(stream == null)
+            if(stream == null) {
+                if(new File(file).isDirectory() && path != null) {
+                    File[] files = new File(file).listFiles();
+                    builder.append("<ul>");
+                    for(int i = 0; i < files.length; i++) {
+                        builder.append("<li><a href=\"" + path + "/" + files[i].getName() + "\">" + files[i].getName() + "</a></li>");
+                    }
+                    builder.append("</ul>");
+                    return builder.toString();
+                }
                 stream = new FileInputStream(file);
-
                 int i = 0;
                 while((i = stream.read()) != -1) {
                     builder.append((char) i);
                 }
 
                 stream.close();
+            }
+
             if(!TryConfig.nocache)
                 cache.put(file, builder.toString());
         } catch (IOException e) {
@@ -146,13 +163,23 @@ public class BrowserContext {
         }
         return builder.toString();
     }
-    public String fileUTF(String file) {
+    public String fileUTF(String file, String path) {
         if(cache.containsKey(file))
             return cache.get(file);
         String st = null;
         try {
             InputStream stream = requestCatcher.getClass().getClassLoader().getResourceAsStream(file);
-            if(stream == null)
+            if(stream == null) {
+                if(new File(file).isDirectory() && path != null) {
+                    File[] files = new File(file).listFiles();
+                    StringBuilder builder = new StringBuilder();
+                    builder.append("<ul>");
+                    for(int i = 0; i < files.length; i++) {
+                        builder.append("<li><a href=\"" + path + "/" + files[i].getName() + "\">" + files[i].getName() + "</a></li>");
+                    }
+                    builder.append("</ul>");
+                    return builder.toString();
+                }
                 stream = new FileInputStream(file);
                 ByteArrayOutputStream s = new ByteArrayOutputStream();
 
@@ -164,6 +191,7 @@ public class BrowserContext {
                 stream.close();
                 s.close();
                 st = new String(s.toByteArray());
+            }
             if(!TryConfig.nocache)
                 cache.put(file, st);
         } catch (IOException e) {