implemented delivery of user files

files/src/main/java/de/srsoftware/umbrella/files/FileModule.java

@@ -131,7 +131,25 @@ public class FileModule extends BaseHandler implements FileService {
 		return map;
 	}
 
-	private boolean getUserFiles(Path path, HttpExchange ex, UmbrellaUser user) {
-		return false;
+	private boolean getUserFiles(Path path, HttpExchange ex, UmbrellaUser user) throws IOException {
+		var userId = path.pop();
+		if (userId == null) throw missingFieldException(USER_ID);
+		long uid;
+		try {
+			uid = Long.parseLong(userId);
+		} catch (NumberFormatException e) {
+			throw invalidFieldException(PROJECT_ID,"Long");
+		}
+		var filename = "/user/"+uid;
+		if (!path.empty()) filename += "/"+URLDecoder.decode(path.toString(),UTF_8);
+		if (uid != user.id() && !fileDb.isPermitted(user,filename)) throw forbidden("You are not allowed to access {0}",filename);
+		var file = new File(baseDir+filename);
+		if (!file.exists()) throw unprocessable("{0} does not exist!",filename);
+		if (file.isDirectory()){
+			Map<String,Object> map = getDirectory(file);
+			map.put("title",filename);
+			return sendContent(ex,map);
+		}
+		return getFile(ex, file);
 	}
 }