remove using FileUploader

src/main/java/onlyoffice/DocumentManager.java

@@ -66,27 +66,17 @@ public static List<String> GetEditedExts()
 		}
 	}
 
-	public static String GetExternalUri(Long attachmentId, String documentStorageUrl) throws Exception
+	public static String GetUri(Long attachmentId) throws Exception
 	{
-		String key =  getKeyOfFile(attachmentId);
-		String externalUri;
-
-		if (CacheMap.containsKey(key))
-		{
-			externalUri = CacheMap.get(key);
-			log.info("externalUri from cache " + externalUri);
-			return externalUri;
-		}
-
-		InputStream inputStream = AttachmentUtil.getAttachmentData(attachmentId);
-		String contentType = AttachmentUtil.getMediaType(attachmentId);
+		SettingsManager settingsManager = (SettingsManager) ContainerManager.getComponent("settingsManager");
+		String baseUrl = settingsManager.getGlobalSettings().getBaseUrl();
 
-		externalUri = ServiceConverter.GetExternalUri(inputStream, inputStream.available(), contentType, key, documentStorageUrl);
+		String hash = CreateHash(Long.toString(attachmentId));
 
-		CacheMap.put(key, externalUri);
-		log.info("externalUri " + externalUri);
+		String callbackUrl = baseUrl + callbackServler + "?vkey=" + GeneralUtil.urlEncode(hash);
+		log.info("callbackUrl " + callbackUrl);
 
-		return externalUri;
+		return callbackUrl;
 	}
 
 	public static String getKeyOfFile(Long attachmentId)

src/main/java/onlyoffice/OnlyOfficeEditorServlet.java

@@ -87,7 +87,7 @@ public void doGet(HttpServletRequest request, HttpServletResponse response)
 
 				fileName = AttachmentUtil.getFileName(attachmentId);
 
-				externalUrl = DocumentManager.GetExternalUri(attachmentId, apiUrl + properties.getProperty("files.docservice.url.storage"));
+				externalUrl = DocumentManager.GetUri(attachmentId);
 
 				if (AttachmentUtil.checkAccess(attachmentId, user, true))
 				{

src/main/java/onlyoffice/OnlyOfficeSaveFileServlet.java

@@ -2,6 +2,7 @@
 
 import java.io.IOException;
 import java.io.InputStream;
+import java.io.OutputStream;
 import java.io.PrintWriter;
 import java.io.StringWriter;
 import java.net.HttpURLConnection;
@@ -27,6 +28,32 @@ public class OnlyOfficeSaveFileServlet extends HttpServlet
 	private static final long serialVersionUID = 1L;
 	private static final Logger log = LogManager.getLogger("onlyoffice.OnlyOfficeSaveFileServlet");
 
+	@Override
+	public void doGet(HttpServletRequest request, HttpServletResponse response)
+			throws ServletException, IOException
+	{
+		String vkey = request.getParameter("vkey");
+		log.info("vkey = " + vkey);
+		String attachmentIdString = DocumentManager.ReadHash(vkey);
+
+		Long attachmentId = Long.parseLong(attachmentIdString);
+		log.info("attachmentId " + attachmentId);
+
+		String contentType = AttachmentUtil.getMediaType(attachmentId);
+		response.setContentType(contentType);
+
+		InputStream inputStream = AttachmentUtil.getAttachmentData(attachmentId);
+		response.setContentLength(inputStream.available());
+
+		byte[] buffer = new byte[10240];
+
+		OutputStream output = response.getOutputStream();
+		for (int length = 0; (length = inputStream.read(buffer)) > 0;)
+		{
+			output.write(buffer, 0, length);
+		}
+	}
+
 	@Override
 	public void doPost(HttpServletRequest request, HttpServletResponse response)
 			throws ServletException, IOException

src/main/resources/onlyoffice-config.properties

@@ -3,5 +3,4 @@ filesize-max=104857600
 files.docservice.secret=Vskoproizvolny Salt par Chivreski
 files.docservice.edited-docs=docx|xlsx|pptx
 
-files.docservice.url.storage=FileUploader.ashx
 files.docservice.url.api=web-apps/apps/api/documents/api.js