Merge remote-tracking branch 'remotes/origin/feature/referenceData-link' into develop

Refactoring/java spring dto

CHANGELOG.md

@@ -1,5 +1,6 @@
 # Change Log
 
+- nodejs: link in referenceData
 - nodejs: onRequestSelectDocument method
 - nodejs: onRequestSelectSpreadsheet method
 - nodejs: onRequestOpen
@@ -10,14 +11,11 @@
 - nodejs: using a repo with a list of formats
 - nodejs: delete file without reloading the page
 - nodejs: getting history by a separate request
-- nodejs: restore from history
-- python: restore from history
-- ruby: restore from history
-- php: restore from history
 - csharp-mvc: getting history by a separate request
-- csharp-mvc: restore from history
 - csharp: getting history by a separate request
-- csharp: restore from history
+- java: getting history by a separate request
+- java-spring: getting history by a separate request
+- restore from history
 
 ## 1.6.0
 - nodejs: setUsers for region protection

web/documentserver-example/java-spring/README.md

@@ -128,11 +128,7 @@ See the detailed guide to learn how to install Document Server [for Linux](https
 
 ### Step 2. Install the prerequisites and run the website with the editors
 
-1. Install **Java**:
-
-    ```
-    sudo add-apt-repository ppa:webupd8team/java sudo apt-get update sudo apt-get install oracle-java11-installer
-    ```
+1. Install **Java** following the instructions [here](https://docs.oracle.com/en/java/javase/20/install/installation-jdk-linux-platforms.html#GUID-737A84E4-2EFF-4D38-8E60-3E29D1B884B8).
 
 2. Download the archive with the Java-Spring example and unpack the archive or clone git repository:
 
@@ -210,13 +206,51 @@ Make sure that the Document Server has access to the server with the example ins
 
 ##  For Docker
 
-1. Edit the *application.properties* configuration file. Specify the name of your local server with the ONLYOFFICE Document Server installed ([installation instructions](https://helpcenter.onlyoffice.com/installation/docs-developer-install-docker.aspx)).
+### Step 1. Install ONLYOFFICE Docs
+
+Download and install ONLYOFFICE Docs (packaged as Document Server). 
+
+See the detailed guide to learn how to install Document Server [for Docker](https://helpcenter.onlyoffice.com/installation/docs-developer-install-docker.aspx). 
+
+### Step 2. Install the prerequisites and run the website with the editors
+
+1. Install **Java** following the instructions [here](https://docs.oracle.com/en/java/javase/20/install/installation-jdk-linux-platforms.html#GUID-737A84E4-2EFF-4D38-8E60-3E29D1B884B8).
+
+2. Download the archive with the Java-Spring example and unpack the archive or clone git repository:
+
+    a) archive with Java-Spring:
+
+    ```
+    wget https://api.onlyoffice.com/app_data/editor/Java%20Spring%20Example.zip
+    ```
+    
+    ```
+    unzip Java\ Spring\ Example.zip
+    ```
+    b) git repository:
+    ```
+    git clone https://github.com/ONLYOFFICE/document-server-integration.git
+    ```
+
+
+3. Change the current directory for the project directory:
+
+    a) from archive
+
+    ```
+   cd Java\ Spring\ Example/
+   ```
+   b) from git repository 
+    ```
+    cd document-server-integration/web/documentserver-example/java-spring
+    ```
+4. Edit the *application.properties* configuration file. Specify the name of your local server with the ONLYOFFICE Document Server installed:
 
 	```
 	nano src/main/resources/application.properties
 	```
 	
-2. Edit the following lines:
+5. Edit the following lines:
 
    ```
    files.storage=
@@ -226,17 +260,23 @@ Make sure that the Document Server has access to the server with the example ins
 
     where the **documentserver** is the name of the server with the ONLYOFFICE Docs installed, **port** is any available port and **files.storage** is the path where files will be created and stored (in the project folder by default). You can set an absolute path.
 
-3. Run the next command in the java example directory:
+6. Run the next command in the java example directory:
 
 	```
 	docker-compose up
 	```
-4. Open your browser using **server.address** and **server.port**:
+7. Open your browser using **server.address** and **server.port**:
 
       ```
       http://server.address:server.port/
       ```
 
+### Step 3. Check accessibility
+
+In case the example and Document Server are installed on different computers, make sure that your server with the example installed has access to the Document Server with the address which you specify instead of **documentserver** in the configuration files. 
+
+Make sure that the Document Server has access to the server with the example installed with the address which you specify instead of **example.com** in the configuration files.
+
 ## Important security info
 
 Please keep in mind the following security aspects when you are using test examples:

web/documentserver-example/java-spring/src/main/java/com/onlyoffice/integration/controllers/EditorController.java

@@ -20,7 +20,6 @@ package com.onlyoffice.integration.controllers;
 
 import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.databind.ObjectMapper;
-import com.onlyoffice.integration.documentserver.managers.history.HistoryManager;
 import com.onlyoffice.integration.documentserver.managers.jwt.JwtManager;
 import com.onlyoffice.integration.documentserver.models.enums.Action;
 import com.onlyoffice.integration.documentserver.storage.FileStoragePathBuilder;
@@ -73,9 +72,6 @@ public class EditorController {
     @Autowired
     private UserServices userService;
 
-    @Autowired
-    private HistoryManager historyManager;
-
     @Autowired
     private ObjectMapper objectMapper;
 
@@ -140,9 +136,6 @@ public class EditorController {
         // add file model with the default parameters to the original model
         model.addAttribute("model", fileModel);
 
-        // get file history and add it to the model
-        model.addAttribute("fileHistory", historyManager.getHistory(fileModel.getDocument()));
-
         // create the document service api URL and add it to the model
         model.addAttribute("docserviceApiUrl", docserviceSite + docserviceApiUrl);
 

web/documentserver-example/java-spring/src/main/java/com/onlyoffice/integration/controllers/FileController.java

@@ -22,11 +22,17 @@ import com.fasterxml.jackson.databind.ObjectMapper;
 import com.google.gson.Gson;
 import com.google.gson.GsonBuilder;
 import com.onlyoffice.integration.documentserver.callbacks.CallbackHandler;
+import com.onlyoffice.integration.documentserver.managers.history.HistoryManager;
 import com.onlyoffice.integration.documentserver.managers.jwt.JwtManager;
 import com.onlyoffice.integration.documentserver.storage.FileStorageMutator;
 import com.onlyoffice.integration.documentserver.storage.FileStoragePathBuilder;
 import com.onlyoffice.integration.dto.Converter;
 import com.onlyoffice.integration.dto.ConvertedData;
+import com.onlyoffice.integration.dto.Reference;
+import com.onlyoffice.integration.dto.ReferenceData;
+import com.onlyoffice.integration.dto.Rename;
+import com.onlyoffice.integration.dto.Restore;
+import com.onlyoffice.integration.dto.SaveAs;
 import com.onlyoffice.integration.dto.Track;
 import com.onlyoffice.integration.entities.User;
 import com.onlyoffice.integration.documentserver.models.enums.DocumentType;
@@ -74,7 +80,6 @@ import java.text.SimpleDateFormat;
 import java.util.ArrayList;
 import java.util.Date;
 import java.util.HashMap;
-import java.util.LinkedHashMap;
 import java.util.Map;
 import java.util.Optional;
 
@@ -114,6 +119,8 @@ public class FileController {
     private ServiceConverter serviceConverter;
     @Autowired
     private CallbackManager callbackManager;
+    @Autowired
+    private HistoryManager historyManager;
 
     // create user metadata
     private String createUserMetadata(final String uid, final String fullFileName) {
@@ -412,19 +419,16 @@ public class FileController {
 
     @PostMapping("/saveas")
     @ResponseBody
-    public String saveAs(@RequestBody final JSONObject body, @CookieValue("uid") final String uid) {
-        String title = (String) body.get("title");
-        String saveAsFileUrl = (String) body.get("url");
-
+    public String saveAs(@RequestBody final SaveAs body, @CookieValue("uid") final String uid) {
         try {
-            String fileName = documentManager.getCorrectName(title);
+            String fileName = documentManager.getCorrectName(body.getTitle());
             String curExt = fileUtility.getFileExtension(fileName);
 
             if (!fileUtility.getFileExts().contains(curExt)) {
                 return "{\"error\":\"File type is not supported\"}";
             }
 
-            URL url = new URL(saveAsFileUrl);
+            URL url = new URL(body.getUrl());
             java.net.HttpURLConnection connection = (java.net.HttpURLConnection) url.openConnection();
             InputStream stream = connection.getInputStream();
 
@@ -443,25 +447,14 @@ public class FileController {
 
     @PostMapping("/rename")
     @ResponseBody
-    public String rename(@RequestBody final JSONObject body) {
-        String newfilename = (String) body.get("newfilename");
-        String dockey = (String) body.get("dockey");
-        String origExt = "." + (String) body.get("ext");
-        String curExt = newfilename;
-
-        if (newfilename.indexOf(".") != -1) {
-            curExt = (String) fileUtility.getFileExtension(newfilename);
-        }
-
-        if (origExt.compareTo(curExt) != 0) {
-            newfilename += origExt;
-        }
+    public String rename(@RequestBody final Rename body) {
+        String fileName = body.getFileName();
 
         HashMap<String, String> meta = new HashMap<>();
-        meta.put("title", newfilename);
+        meta.put("title", fileName + "." + body.getFileType());
 
         try {
-            callbackManager.commandRequest("meta", dockey, meta);
+            callbackManager.commandRequest("meta", body.getFileKey(), meta);
             return "result ok";
         } catch (Exception e) {
             e.printStackTrace();
@@ -471,7 +464,7 @@ public class FileController {
 
     @PostMapping("/reference")
     @ResponseBody
-    public String reference(@RequestBody final JSONObject body) {
+    public String reference(@RequestBody final Reference body) {
         try {
             JSONParser parser = new JSONParser();
             Gson gson = new GsonBuilder().disableHtmlEscaping().create();
@@ -479,12 +472,11 @@ public class FileController {
             String userAddress = "";
             String fileName = "";
 
-            if (body.containsKey("referenceData")) {
-                LinkedHashMap referenceDataObj = (LinkedHashMap) body.get("referenceData");
-                String instanceId = (String) referenceDataObj.get("instanceId");
+            if (body.getReferenceData() != null) {
+                ReferenceData referenceData = body.getReferenceData();
 
-                if (instanceId.equals(storagePathBuilder.getServerUrl(false))) {
-                    JSONObject fileKey = (JSONObject) parser.parse((String) referenceDataObj.get("fileKey"));
+                if (referenceData.getInstanceId().equals(storagePathBuilder.getServerUrl(false))) {
+                    JSONObject fileKey = (JSONObject) parser.parse(referenceData.getFileKey());
                     userAddress = (String) fileKey.get("userAddress");
                     if (userAddress.equals(InetAddress.getLocalHost().getHostAddress())) {
                         fileName = (String) fileKey.get("fileName");
@@ -495,7 +487,7 @@ public class FileController {
 
             if (fileName.equals("")) {
                 try {
-                    String path = (String) body.get("path");
+                    String path = (String) body.getPath();
                     path = fileUtility.getFileName(path);
                     File f = new File(storagePathBuilder.getFileLocation(path));
                     if (f.exists()) {
@@ -510,8 +502,6 @@ public class FileController {
                 return "{ \"error\": \"File not found\"}";
             }
 
-            boolean directUrl = (boolean) body.get("directUrl");
-
             HashMap<String, Object> fileKey = new HashMap<>();
             fileKey.put("fileName", fileName);
             fileKey.put("userAddress", InetAddress.getLocalHost().getHostAddress());
@@ -523,7 +513,7 @@ public class FileController {
             HashMap<String, Object> data = new HashMap<>();
             data.put("fileType", fileUtility.getFileExtension(fileName).replace(".", ""));
             data.put("url", documentManager.getDownloadUrl(fileName, true));
-            data.put("directUrl", directUrl ? documentManager.getDownloadUrl(fileName, false) : null);
+            data.put("directUrl", body.getDirectUrl() ? documentManager.getDownloadUrl(fileName, false) : null);
             data.put("referenceData", referenceData);
             data.put("path", fileName);
 
@@ -538,15 +528,25 @@ public class FileController {
         }
     }
 
+    @GetMapping("/history")
+    @ResponseBody
+    public String history(@RequestParam("fileName") final String fileName) {
+        return historyManager.getHistory(fileName);
+    }
+
+    @GetMapping("/historydata")
+    @ResponseBody
+    public String history(@RequestParam("fileName") final String fileName,
+                          @RequestParam("version") final String version,
+                          @RequestParam(value = "directUrl", defaultValue = "false") final Boolean directUrl) {
+        return historyManager.getHistoryData(fileName, version, directUrl);
+    }
+
     @PutMapping("/restore")
     @ResponseBody
-    public String restore(@RequestBody final JSONObject body) {
+    public String restore(@RequestBody final Restore body, @CookieValue("uid") final Integer uid) {
         try {
-            String sourceBasename = (String) body.get("fileName");
-            Integer version = (Integer) body.get("version");
-            String userID = (String) body.get("userId");
-
-            String sourceStringFile = storagePathBuilder.getFileLocation(sourceBasename);
+            String sourceStringFile = storagePathBuilder.getFileLocation(body.getFileName());
             File sourceFile = new File(sourceStringFile);
             Path sourcePathFile = sourceFile.toPath();
             String historyDirectory = storagePathBuilder.getHistoryDir(sourcePathFile.toString());
@@ -564,7 +564,7 @@ public class FileController {
             String bumpedKey = serviceConverter.generateRevisionId(
                 storagePathBuilder.getStorageLocation()
                 + "/"
-                + sourceBasename
+                + body.getFileName()
                 + "/"
                 + Long.toString(sourceFile.lastModified())
             );
@@ -572,8 +572,7 @@ public class FileController {
             bumpedKeyFileWriter.write(bumpedKey);
             bumpedKeyFileWriter.close();
 
-            Integer userInnerID = Integer.parseInt(userID.replace("uid-", ""));
-            User user = userService.findUserById(userInnerID).get();
+            User user = userService.findUserById(uid).get();
 
             Path bumpedChangesPathFile = Paths.get(bumpedVersionStringDirectory, "changes.json");
             String bumpedChangesStringFile = bumpedChangesPathFile.toString();
@@ -596,13 +595,17 @@ public class FileController {
             bumpedChangesFileWriter.write(bumpedChangesContent);
             bumpedChangesFileWriter.close();
 
-            String sourceExtension = fileUtility.getFileExtension(sourceBasename);
+            String sourceExtension = fileUtility.getFileExtension(body.getFileName());
             String previousBasename = "prev" + sourceExtension;
 
             Path bumpedFile = Paths.get(bumpedVersionStringDirectory, previousBasename);
             Files.move(sourcePathFile, bumpedFile);
 
-            String recoveryVersionStringDirectory = documentManager.versionDir(historyDirectory, version, true);
+            String recoveryVersionStringDirectory = documentManager.versionDir(
+                    historyDirectory,
+                    body.getVersion(),
+                    true
+            );
             Path recoveryPathFile = Paths.get(recoveryVersionStringDirectory, previousBasename);
             String recoveryStringFile = recoveryPathFile.toString();
             FileInputStream recoveryStream = new FileInputStream(recoveryStringFile);

web/documentserver-example/java-spring/src/main/java/com/onlyoffice/integration/documentserver/managers/history/DefaultHistoryManager.java

@@ -25,6 +25,7 @@ import com.onlyoffice.integration.documentserver.managers.jwt.JwtManager;
 import com.onlyoffice.integration.documentserver.models.filemodel.Document;
 import com.onlyoffice.integration.documentserver.storage.FileStoragePathBuilder;
 import com.onlyoffice.integration.documentserver.util.file.FileUtility;
+import com.onlyoffice.integration.documentserver.util.service.ServiceConverter;
 import lombok.SneakyThrows;
 import org.json.simple.JSONArray;
 import org.json.simple.JSONObject;
@@ -62,6 +63,9 @@ public class DefaultHistoryManager implements HistoryManager {
     @Autowired
     private ObjectMapper objectMapper;
 
+    @Autowired
+    private ServiceConverter serviceConverter;
+
     // todo: Refactoring
     @SneakyThrows
     public String[] getHistory(final Document document) {  // get document history
@@ -164,6 +168,153 @@ public class DefaultHistoryManager implements HistoryManager {
         return new String[]{"", ""};
     }
 
+    // todo: Refactoring
+    @SneakyThrows
+    public String getHistory(final String fileName) {  // get document history
+
+        // get history directory
+        String histDir = storagePathBuilder.getHistoryDir(storagePathBuilder.getFileLocation(fileName));
+        Integer curVer = storagePathBuilder.getFileVersion(histDir, false);  // get current file version
+
+        if (curVer > 0) {  // check if the current file version is greater than 0
+            List<Object> hist = new ArrayList<>();
+
+            for (Integer i = 1; i <= curVer; i++) {  // run through all the file versions
+                Map<String, Object> obj = new HashMap<String, Object>();
+                String verDir = documentManager
+                        .versionDir(histDir, i, true);  // get the path to the given file version
+
+                String key;
+                if (i == curVer) {
+                    key = serviceConverter
+                            .generateRevisionId(storagePathBuilder.getStorageLocation()
+                                    + "/" + fileName + "/"
+                                    + new File(storagePathBuilder.getFileLocation(fileName)).lastModified());
+                } else {
+                    key = readFileToEnd(new File(verDir + File.separator + "key.txt"));
+                }
+
+                obj.put("key", key);
+                obj.put("version", i);
+
+                if (i == 1) {  // check if the version number is equal to 1
+                    String createdInfo = readFileToEnd(new File(histDir
+                            + File.separator + "createdInfo.json"));  // get file with meta data
+                    JSONObject json = (JSONObject) parser.parse(createdInfo);  // and turn it into json object
+
+                    // write meta information to the object (user information and creation date)
+                    obj.put("created", json.get("created"));
+                    Map<String, Object> user = new HashMap<String, Object>();
+                    user.put("id", json.get("id"));
+                    user.put("name", json.get("name"));
+                    obj.put("user", user);
+                }
+
+                if (i > 1) {  //check if the version number is greater than 1
+                    // if so, get the path to the changes.json file
+                    JSONObject changes = (JSONObject) parser.parse(readFileToEnd(new File(documentManager
+                            .versionDir(histDir, i - 1, true) + File.separator + "changes.json")));
+                    JSONObject change = (JSONObject) ((JSONArray) changes.get("changes")).get(0);
+
+                    // write information about changes to the object
+                    obj.put("changes", changes.get("changes"));
+                    obj.put("serverVersion", changes.get("serverVersion"));
+                    obj.put("created", change.get("created"));
+                    obj.put("user", change.get("user"));
+                }
+
+                hist.add(obj);
+            }
+
+            // write history information about the current file version to the history object
+            Map<String, Object> histObj = new HashMap<String, Object>();
+            histObj.put("currentVersion", curVer);
+            histObj.put("history", hist);
+
+            try {
+                return objectMapper.writeValueAsString(histObj);
+            } catch (JsonProcessingException e) {
+                e.printStackTrace();
+            }
+        }
+        return "";
+    }
+
+    // todo: Refactoring
+    @SneakyThrows
+    public String getHistoryData(final String fileName, final String version, final Boolean directUrl) {
+        // get history directory
+        String histDir = storagePathBuilder.getHistoryDir(storagePathBuilder.getFileLocation(fileName));
+        Integer curVer = storagePathBuilder.getFileVersion(histDir, false);  // get current file version
+
+        if (curVer > 0) {  // check if the current file version is greater than 0
+            Map<String, Object> histData = new HashMap<>();
+
+            for (Integer i = 1; i <= curVer; i++) {  // run through all the file versions
+                Map<String, Object> dataObj = new HashMap<String, Object>();
+                String verDir = documentManager
+                        .versionDir(histDir, i, true);  // get the path to the given file version
+
+                String key;
+                if (i == curVer) {
+                    key = serviceConverter
+                            .generateRevisionId(storagePathBuilder.getStorageLocation()
+                                    + "/" + fileName + "/"
+                                    + new File(storagePathBuilder.getFileLocation(fileName)).lastModified());
+                } else {
+                    key = readFileToEnd(new File(verDir + File.separator + "key.txt"));
+                }
+
+                dataObj.put("fileType", fileUtility
+                        .getFileExtension(fileName).replace(".", ""));
+                dataObj.put("key", key);
+                dataObj.put("url", i == curVer ? documentManager.getDownloadUrl(fileName, true)
+                        : documentManager.getHistoryFileUrl(fileName, i, "prev" + fileUtility
+                        .getFileExtension(fileName), true));
+                if (directUrl) {
+                    dataObj.put("directUrl", i == curVer
+                            ? documentManager.getDownloadUrl(fileName, false)
+                            : documentManager.getHistoryFileUrl(fileName, i, "prev" + fileUtility
+                                    .getFileExtension(fileName), false));
+                }
+                dataObj.put("version", i);
+
+                if (i > 1) {  //check if the version number is greater than 1
+                    // get the history data from the previous file version
+                    Map<String, Object> prev = (Map<String, Object>) histData.get(Integer.toString(i - 1));
+                    Map<String, Object> prevInfo = new HashMap<String, Object>();
+                    prevInfo.put("fileType", prev.get("fileType"));
+                    prevInfo.put("key", prev.get("key"));  // write key and URL information about previous file version
+                    prevInfo.put("url", prev.get("url"));
+                    if (directUrl) {
+                        prevInfo.put("directUrl", prev.get("directUrl"));
+                    }
+
+                    // write information about previous file version to the data object
+                    dataObj.put("previous", prevInfo);
+                    // write the path to the diff.zip archive with differences in this file version
+                    Integer verdiff = i - 1;
+                    dataObj.put("changesUrl", documentManager
+                            .getHistoryFileUrl(fileName, verdiff, "diff.zip", true));
+                }
+
+                if (jwtManager.tokenEnabled()) {
+                    dataObj.put("token", jwtManager.createToken(dataObj));
+                }
+
+                histData.put(Integer.toString(i), dataObj);
+            }
+
+            try {
+                return objectMapper.writeValueAsString(histData.get(version));
+            } catch (JsonProcessingException e) {
+                e.printStackTrace();
+            }
+        }
+        return "";
+    }
+
+
     // read a file
     private String readFileToEnd(final File file) {
         String output = "";

web/documentserver-example/java-spring/src/main/java/com/onlyoffice/integration/documentserver/managers/history/HistoryManager.java

@@ -18,9 +18,9 @@
 
 package com.onlyoffice.integration.documentserver.managers.history;
 
-import com.onlyoffice.integration.documentserver.models.filemodel.Document;
-
 // specify the history manager functions
 public interface HistoryManager {
-    String[] getHistory(Document document);  // get document history
+    String getHistory(String fileName);  // get document history
+
+    String getHistoryData(String fileName, String version, Boolean directUrl); // get document history data
 }

web/documentserver-example/java-spring/src/main/java/com/onlyoffice/integration/dto/Reference.java

@@ -0,0 +1,34 @@
+/**
+ *
+ * (c) Copyright Ascensio System SIA 2023
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+package com.onlyoffice.integration.dto;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+
+@Getter
+@Setter
+@AllArgsConstructor
+@NoArgsConstructor
+public class Reference {
+    private Boolean directUrl;
+    private ReferenceData referenceData;
+    private String path;
+}

web/documentserver-example/java-spring/src/main/java/com/onlyoffice/integration/dto/ReferenceData.java

@@ -0,0 +1,31 @@
+/**
+ *
+ * (c) Copyright Ascensio System SIA 2023
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+package com.onlyoffice.integration.dto;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+public class ReferenceData {
+    private String fileKey;
+    private String instanceId;
+}

web/documentserver-example/java-spring/src/main/java/com/onlyoffice/integration/dto/Rename.java

@@ -0,0 +1,34 @@
+/**
+ *
+ * (c) Copyright Ascensio System SIA 2023
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+package com.onlyoffice.integration.dto;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+
+@Getter
+@Setter
+@AllArgsConstructor
+@NoArgsConstructor
+public class Rename {
+    private String fileName;
+    private String fileKey;
+    private String fileType;
+}

web/documentserver-example/java-spring/src/main/java/com/onlyoffice/integration/dto/Restore.java

@@ -0,0 +1,33 @@
+/**
+ *
+ * (c) Copyright Ascensio System SIA 2023
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+package com.onlyoffice.integration.dto;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+
+@Getter
+@Setter
+@AllArgsConstructor
+@NoArgsConstructor
+public class Restore {
+    private String fileName;
+    private Integer version;
+}

web/documentserver-example/java-spring/src/main/java/com/onlyoffice/integration/dto/SaveAs.java

@@ -0,0 +1,33 @@
+/**
+ *
+ * (c) Copyright Ascensio System SIA 2023
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+package com.onlyoffice.integration.dto;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+
+@Getter
+@Setter
+@AllArgsConstructor
+@NoArgsConstructor
+public class SaveAs {
+    private String title;
+    private String url;
+}

web/documentserver-example/java-spring/src/main/resources/templates/editor.html

@@ -147,9 +147,9 @@
 
                     var newfilename = event.data;
                     var data = {
-                        newfilename: newfilename,
-                        dockey: config.document.key,
-                        ext: config.document.fileType
+                        fileName: newfilename,
+                        fileKey: config.document.key,
+                        fileType: config.document.fileType
                     };
                     let xhr = new XMLHttpRequest();
                     xhr.open("POST", "rename");
@@ -172,25 +172,61 @@
                     }
                 };
 
+                var onRequestHistory = function () {
+                    var xhr = new XMLHttpRequest();
+                    xhr.open("GET", "history?fileName=" + config.document.title, false);
+                    xhr.send();
+
+                    if (xhr.status == 200) {
+                        var historyInfo = JSON.parse(xhr.responseText);
+                        docEditor.refreshHistory(historyInfo);
+                    }
+                };
+
+                var onRequestHistoryData = function (event) {
+                    var version = event.data;
+                    var historyDataUri = "historydata?fileName=" + config.document.title
+                        + "&version=" + version
+                        + "&directUrl=" + !!config.document.directUrl;
+                    var xhr = new XMLHttpRequest();
+                    xhr.open("GET", historyDataUri, false);
+                    xhr.send();
+
+                    if (xhr.status == 200) {
+                        var historyData = JSON.parse(xhr.responseText);
+                        docEditor.setHistoryData(historyData);
+                    }
+                };
+
+                var onRequestHistoryClose = function() {
+                    document.location.reload();
+                };
+
                 function onRequestRestore(event) {
                   const query = new URLSearchParams(window.location.search)
-                  const config = [[${model}]]
                   const payload = {
                     fileName: query.get('fileName'),
-                    version: event.data.version,
-                    userId: config.editorConfig.user.id
+                    version: event.data.version
                   }
                   const request = new XMLHttpRequest()
                   request.open('PUT', 'restore')
                   request.setRequestHeader('Content-Type', 'application/json')
                   request.send(JSON.stringify(payload))
                   request.onload = function () {
-                    if (request.status != 200) {
-                      response = JSON.parse(request.response)
-                      innerAlert(response.error)
-                      return
+                    const response = JSON.parse(request.responseText);
+                    if (response.success && !response.error) {
+                      var historyInfoUri = "history?fileName=" + config.document.title;
+                      var xhr = new XMLHttpRequest();
+                      xhr.open("GET", historyInfoUri, false);
+                      xhr.send();
+
+                      if (xhr.status == 200) {
+                          var historyInfo = JSON.parse(xhr.responseText);
+                          docEditor.refreshHistory(historyInfo);
+                      }
+                    } else {
+                      innerAlert(response.error);
                     }
-                    document.location.reload()
                   }
                 }
 
@@ -206,31 +242,15 @@
                     "onRequestInsertImage": onRequestInsertImage,
                     "onRequestCompareFile": onRequestCompareFile,
                     "onRequestMailMergeRecipients": onRequestMailMergeRecipients,
-                    "onRequestRestore": onRequestRestore
+                    "onRequestRestore": onRequestRestore,
+                    "onRequestHistory": onRequestHistory,
+                    "onRequestHistoryData": onRequestHistoryData,
+                    "onRequestHistoryClose": onRequestHistoryClose
                 };
 
-                var histArray = [[${fileHistory}]];
-                var hist = histArray[0];
-                var historyData = histArray[1];
                 var usersForMentions = [[${usersForMentions}]];
 
                 if (config.editorConfig.user.id != 4) {
-                    if (hist && historyData) {
-                        // the user is trying to show the document version history
-                        config.events['onRequestHistory'] = function () {
-                            docEditor.refreshHistory(JSON.parse(hist));  // show the document version history
-                        };
-                        // the user is trying to click the specific document version in the document version history
-                        config.events['onRequestHistoryData'] = function (event) {
-                            var ver = event.data;
-                            var histData = historyData;
-                            docEditor.setHistoryData(JSON.parse(histData)[ver - 1]);  // send the link to the document for viewing the version history
-                        };
-                        // the user is trying to go back to the document from viewing the document version history
-                        config.events['onRequestHistoryClose'] = function () {
-                            document.location.reload();
-                        };
-                    }
                     // add mentions for not anonymous users
                     config.events['onRequestUsers'] = function () {
                         docEditor.setUsers({  // set a list of users to mention in the comments

web/documentserver-example/java/README.md

@@ -140,11 +140,7 @@ See the detailed guide to learn how to [install Document Server for Linux](https
 
 ### Step 2. Install the prerequisites and run the website with the editors
 
-1. Install **Java**:
-
-    ```
-    sudo add-apt-repository ppa:webupd8team/java sudo apt-get update sudo apt-get install oracle-java8-installer
-    ```
+1. Install **Java** following the instructions [here](https://docs.oracle.com/en/java/javase/20/install/installation-jdk-linux-platforms.html#GUID-737A84E4-2EFF-4D38-8E60-3E29D1B884B8).
 
 2. Download the archive with the Java example and unpack the archive:
 
@@ -241,13 +237,39 @@ Make sure that the Document Server has access to the server with the example ins
 
 ## For Docker
 
-1. Edit the *settings.properties* configuration file. Specify the name of your local server with the ONLYOFFICE Document Server installed ([installation instructions](https://helpcenter.onlyoffice.com/installation/docs-developer-install-docker.aspx)).
+### Step 1. Install ONLYOFFICE Docs
+
+Download and install ONLYOFFICE Docs (packaged as Document Server). 
+
+See the detailed guide to learn how to install Document Server [for Docker](https://helpcenter.onlyoffice.com/installation/docs-developer-install-docker.aspx). 
+
+### Step 2. Install the prerequisites and run the website with the editors
+
+1. Install **Java** following the instructions [here](https://docs.oracle.com/en/java/javase/20/install/installation-jdk-linux-platforms.html#GUID-737A84E4-2EFF-4D38-8E60-3E29D1B884B8).
+
+2. Download the archive with the Java example and unpack the archive:
+
+    ```
+    wget https://api.onlyoffice.com/app_data/editor/Java%20Example.zip
+    ```
+    
+    ```
+    unzip Java\ Example.zip
+    ```
+
+3. Change the current directory for the project directory:
+
+    ```
+   cd Java\ Example/
+   ```
+
+4. Edit the *settings.properties* configuration file. Specify the name of your local server with the ONLYOFFICE Document Server installed:
 
 	```
 	nano src/main/resources/settings.properties
 	```
 	
-2. Edit the following lines:
+5. Edit the following lines:
 
 	```
 	storage-folder = app_data
@@ -256,13 +278,19 @@ Make sure that the Document Server has access to the server with the example ins
 
 	where the **documentserver** is the name of the server with the ONLYOFFICE Document Server installed and the **storage-folder** is the path where files will be created and stored.
 
-3. Run the next command in the Java example directory:
+6. Run the next command in the Java example directory:
 
 	```
 	docker-compose up
 	```
 
-4. After it, all the *bin* files will be passed to the *./target* folder.
+7. After it, all the *bin* files will be passed to the *./target* folder.
+
+### Step 3. Check accessibility
+
+In case the example and Document Server are installed on different computers, make sure that your server with the example installed has access to the Document Server with the address which you specify instead of **documentserver** in the configuration files. 
+
+Make sure that the Document Server has access to the server with the example installed with the address which you specify instead of **example.com** in the configuration files.
 
 ## Important security info
 

web/documentserver-example/java/src/main/java/controllers/IndexServlet.java

@@ -62,6 +62,7 @@ import java.text.SimpleDateFormat;
 import java.util.ArrayList;
 import java.util.Date;
 import java.util.HashMap;
+import java.util.List;
 import java.util.Map;
 import java.util.Scanner;
 
@@ -132,6 +133,12 @@ public class IndexServlet extends HttpServlet {
             case "restore":
                 restore(request, response, writer);
                 break;
+            case "history":
+                history(request, response, writer);
+                break;
+            case "historydata":
+                historyData(request, response, writer);
+                break;
             default:
                 break;
         }
@@ -825,6 +832,176 @@ public class IndexServlet extends HttpServlet {
         }
     }
 
+    private static void history(final HttpServletRequest request,
+                                final HttpServletResponse response,
+                                final PrintWriter writer) {
+        String fileName = FileUtility.getFileName(request.getParameter("filename"));
+        String path = DocumentManager.storagePath(fileName, null);
+
+        JSONParser parser = new JSONParser();
+        response.setContentType("application/json");
+
+        // get history directory
+        String histDir = DocumentManager.historyDir(path);
+        if (DocumentManager.getFileVersion(histDir) > 0) {
+
+            // get current file version if it is greater than 0
+            Integer curVer = DocumentManager.getFileVersion(histDir);
+
+            List<Object> hist = new ArrayList<>();
+            Map<String, Object> histData = new HashMap<String, Object>();
+
+            for (Integer i = 1; i <= curVer; i++) {  // run through all the file versions
+                Map<String, Object> obj = new HashMap<String, Object>();
+                String verDir = DocumentManager.versionDir(histDir, i);  // get the path to the given file version
+
+                try {
+                    String key = null;
+
+                    // get document key
+                    if (i == curVer) {
+                        key = ServiceConverter.generateRevisionId(
+                                DocumentManager.curUserHostAddress(null) + "/" + fileName + "/"
+                                        + Long.toString(new File(DocumentManager.storagePath(fileName, null))
+                                        .lastModified()));
+                    } else {
+                        key = DocumentManager.readFileToEnd(new File(verDir + File.separator + "key.txt"));
+                    }
+
+                    obj.put("key", key);
+                    obj.put("version", i);
+
+                    if (i == 1) {  // check if the version number is equal to 1
+                        String createdInfo = DocumentManager.readFileToEnd(new File(histDir + File.separator
+                                + "createdInfo.json")); // get file with meta data
+                        JSONObject json = (JSONObject) parser.parse(createdInfo);  // and turn it into json object
+
+                        // write meta information to the object (user information and creation date)
+                        obj.put("created", json.get("created"));
+                        Map<String, Object> user = new HashMap<String, Object>();
+                        user.put("id", json.get("id"));
+                        user.put("name", json.get("name"));
+                        obj.put("user", user);
+                    }
+
+                    if (i > 1) {  //check if the version number is greater than 1
+                        // if so, get the path to the changes.json file
+                        JSONObject changes = (JSONObject) parser.parse(
+                                DocumentManager.readFileToEnd(new File(DocumentManager
+                                .versionDir(histDir, i - 1) + File.separator + "changes.json")));
+                        JSONObject change = (JSONObject) ((JSONArray) changes.get("changes")).get(0);
+
+                        // write information about changes to the object
+                        obj.put("changes", !change.isEmpty() ? changes.get("changes") : null);
+                        obj.put("serverVersion", changes.get("serverVersion"));
+                        obj.put("created", !change.isEmpty() ? change.get("created") : null);
+                        obj.put("user", !change.isEmpty() ? change.get("user") : null);
+                    }
+
+                    hist.add(obj);
+                } catch (Exception ex) { }
+            }
+
+            // write history information about the current file version to the history object
+            Map<String, Object> histObj = new HashMap<String, Object>();
+            histObj.put("currentVersion", curVer);
+            histObj.put("history", hist);
+
+            Gson gson = new Gson();
+            writer.write(gson.toJson(histObj));
+            return;
+        }
+        writer.write("{}");
+    }
+
+    private static void historyData(final HttpServletRequest request,
+                                final HttpServletResponse response,
+                                final PrintWriter writer) {
+        String fileName = FileUtility.getFileName(request.getParameter("filename"));
+        String version = request.getParameter("version");
+        String directUrl = request.getParameter("directUrl");
+        String path = DocumentManager.storagePath(fileName, null);
+
+        response.setContentType("application/json");
+        // get history directory
+        String histDir = DocumentManager.historyDir(path);
+        if (DocumentManager.getFileVersion(histDir) > 0) {
+            // get current file version if it is greater than 0
+            Integer curVer = DocumentManager.getFileVersion(histDir);
+
+            Map<String, Object> histData = new HashMap<String, Object>();
+            for (Integer i = 1; i <= curVer; i++) {  // run through all the file versions
+                Map<String, Object> dataObj = new HashMap<String, Object>();
+                String verDir = DocumentManager.versionDir(histDir, i);  // get the path to the given file version
+
+                try {
+                    String key = null;
+
+                    // get document key
+                    if (i == curVer) {
+                        key = ServiceConverter.generateRevisionId(
+                                DocumentManager.curUserHostAddress(null) + "/" + fileName + "/"
+                                        + Long.toString(new File(DocumentManager.storagePath(fileName, null))
+                                        .lastModified()));
+                    } else {
+                        key = DocumentManager.readFileToEnd(new File(verDir + File.separator + "key.txt"));
+                    }
+
+                    dataObj.put("fileType", FileUtility.getFileExtension(fileName).substring(1));
+                    dataObj.put("key", key);
+                    dataObj.put("url", i == curVer
+                            ? DocumentManager.getDownloadUrl(fileName, true)
+                            : DocumentManager.getDownloadHistoryUrl(fileName, i, "prev" + FileUtility
+                                    .getFileExtension(fileName), true));
+                    if (directUrl.equals("true")) {
+                        dataObj.put("directUrl", i == curVer
+                                ? DocumentManager.getDownloadUrl(fileName, false)
+                                : DocumentManager.getDownloadHistoryUrl(fileName, i, "prev" + FileUtility
+                                        .getFileExtension(fileName), false));
+                    }
+
+                    dataObj.put("version", i);
+
+                    if (i > 1) {  //check if the version number is greater than 1
+
+                        // get the history data from the previous file version
+                        Map<String, Object> prev = (Map<String, Object>) histData.get(Integer.toString(i - 1));
+                        Map<String, Object> prevInfo = new HashMap<String, Object>();
+                        prevInfo.put("fileType", prev.get("fileType"));
+
+                        // write key and url information about previous file version
+                        prevInfo.put("key", prev.get("key"));
+                        prevInfo.put("url", prev.get("url"));
+                        if (directUrl.equals("true")) {
+                            prevInfo.put("directUrl", prev.get("directUrl"));
+                        }
+
+                        // write information about previous file version to the data object
+                        dataObj.put("previous", prevInfo);
+                        // write the path to the diff.zip archive with differences in this file version
+                        Integer verdiff = i - 1;
+                        String changesUrl = DocumentManager
+                                .getDownloadHistoryUrl(fileName, verdiff,
+                                        "diff.zip", true);
+                        dataObj.put("changesUrl", changesUrl);
+                    }
+
+                    if (DocumentManager.tokenEnabled()) {
+                        dataObj.put("token", DocumentManager.createToken(dataObj));
+                    }
+
+                    histData.put(Integer.toString(i), dataObj);
+
+                } catch (Exception ex) { }
+            }
+
+            Gson gson = new Gson();
+            writer.write(gson.toJson(histData.get(version)));
+            return;
+        }
+        writer.write("{}");
+    }
+
     // process get request
     @Override
     protected void doGet(final HttpServletRequest request,

web/documentserver-example/java/src/main/java/entities/FileModel.java

@@ -23,12 +23,8 @@ import com.google.gson.reflect.TypeToken;
 import helpers.DocumentManager;
 import helpers.FileUtility;
 import helpers.ServiceConverter;
-import org.json.simple.JSONArray;
-import org.json.simple.JSONObject;
-import org.json.simple.parser.JSONParser;
 
 import java.io.File;
-import java.io.FileInputStream;
 import java.text.SimpleDateFormat;
 import java.util.ArrayList;
 import java.util.Date;
@@ -36,7 +32,6 @@ import java.util.HashMap;
 import java.util.List;
 import java.util.Locale;
 import java.util.Map;
-import java.util.Scanner;
 
 public class FileModel {
     private String type = "desktop";
@@ -192,128 +187,6 @@ public class FileModel {
         token = DocumentManager.createToken(map);
     }
 
-    // get document history
-    public String[] getHistory() {
-        JSONParser parser = new JSONParser();
-
-        // get history directory
-        String histDir = DocumentManager.historyDir(DocumentManager.storagePath(document.getTitle(), null));
-        if (DocumentManager.getFileVersion(histDir) > 0) {
-
-            // get current file version if it is greater than 0
-            Integer curVer = DocumentManager.getFileVersion(histDir);
-
-            List<Object> hist = new ArrayList<>();
-            Map<String, Object> histData = new HashMap<String, Object>();
-
-            for (Integer i = 1; i <= curVer; i++) {  // run through all the file versions
-                Map<String, Object> obj = new HashMap<String, Object>();
-                Map<String, Object> dataObj = new HashMap<String, Object>();
-                String verDir = DocumentManager.versionDir(histDir, i);  // get the path to the given file version
-
-                try {
-                    String key = null;
-
-                    // get document key
-                    key = i == curVer
-                            ? document.getKey() : readFileToEnd(new File(verDir + File.separator + "key.txt"));
-
-                    obj.put("key", key);
-                    obj.put("version", i);
-
-                    if (i == 1) {  // check if the version number is equal to 1
-                        String createdInfo = readFileToEnd(new File(histDir + File.separator
-                                + "createdInfo.json")); // get file with meta data
-                        JSONObject json = (JSONObject) parser.parse(createdInfo);  // and turn it into json object
-
-                        // write meta information to the object (user information and creation date)
-                        obj.put("created", json.get("created"));
-                        Map<String, Object> user = new HashMap<String, Object>();
-                        user.put("id", json.get("id"));
-                        user.put("name", json.get("name"));
-                        obj.put("user", user);
-                    }
-
-                    dataObj.put("fileType", FileUtility.getFileExtension(document.getTitle()).substring(1));
-                    dataObj.put("key", key);
-                    dataObj.put("url", i == curVer ? document.getUrl() : DocumentManager
-                            .getDownloadHistoryUrl(document.getTitle(), i, "prev" + FileUtility
-                                    .getFileExtension(document.getTitle()), true));
-                    if (!document.getDirectUrl().equals("")) {
-                        dataObj.put("directUrl", i == curVer ? document.getUrl() : DocumentManager
-                                .getDownloadHistoryUrl(document.getTitle(), i, "prev" + FileUtility
-                                        .getFileExtension(document.getTitle()), false));
-                    }
-                    dataObj.put("version", i);
-
-                    if (i > 1) {  //check if the version number is greater than 1
-                        // if so, get the path to the changes.json file
-                        JSONObject changes = (JSONObject) parser.parse(readFileToEnd(new File(DocumentManager
-                                .versionDir(histDir, i - 1) + File.separator + "changes.json")));
-                        JSONObject change = (JSONObject) ((JSONArray) changes.get("changes")).get(0);
-
-                        // write information about changes to the object
-                        obj.put("changes", !change.isEmpty() ? changes.get("changes") : null);
-                        obj.put("serverVersion", changes.get("serverVersion"));
-                        obj.put("created", !change.isEmpty() ? change.get("created") : null);
-                        obj.put("user", !change.isEmpty() ? change.get("user") : null);
-
-                        // get the history data from the previous file version
-                        Map<String, Object> prev = (Map<String, Object>) histData.get(Integer.toString(i - 2));
-                        Map<String, Object> prevInfo = new HashMap<String, Object>();
-                        prevInfo.put("fileType", prev.get("fileType"));
-
-                        // write key and url information about previous file version
-                        prevInfo.put("key", prev.get("key"));
-                        prevInfo.put("url", prev.get("url"));
-
-                        // write information about previous file version to the data object
-                        dataObj.put("previous", prevInfo);
-                        // write the path to the diff.zip archive with differences in this file version
-                        Integer verdiff = i - 1;
-                        String changesUrl = DocumentManager
-                                .getDownloadHistoryUrl(document.getTitle(), verdiff,
-                                        "diff.zip", true);
-                        dataObj.put("changesUrl", changesUrl);
-                    }
-
-                    if (DocumentManager.tokenEnabled()) {
-                        dataObj.put("token", DocumentManager.createToken(dataObj));
-                    }
-
-                    hist.add(obj);
-                    histData.put(Integer.toString(i - 1), dataObj);
-
-                } catch (Exception ex) { }
-            }
-
-            // write history information about the current file version to the history object
-            Map<String, Object> histObj = new HashMap<String, Object>();
-            histObj.put("currentVersion", curVer);
-            histObj.put("history", hist);
-
-            Gson gson = new Gson();
-            return new String[] {gson.toJson(histObj), gson.toJson(histData) };
-        }
-        return new String[] {"", "" };
-    }
-
-    // read a file
-    private String readFileToEnd(final File file) {
-        String output = "";
-        try {
-            try (FileInputStream is = new FileInputStream(file)) {
-                Scanner scanner = new Scanner(is);  // read data from the source
-                scanner.useDelimiter("\\A");
-                while (scanner.hasNext()) {
-                    output += scanner.next();
-                }
-                scanner.close();
-            }
-        } catch (Exception e) { }
-        return output;
-    }
-
     // the document parameters
     public class Document {
         private String title;

web/documentserver-example/java/src/main/java/helpers/DocumentManager.java

@@ -31,6 +31,7 @@ import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 import java.io.File;
 import java.io.FileFilter;
+import java.io.FileInputStream;
 import java.io.FileOutputStream;
 import java.io.FileWriter;
 import java.io.IOException;
@@ -50,6 +51,7 @@ import java.util.Date;
 import java.util.LinkedHashMap;
 import java.util.List;
 import java.util.Map;
+import java.util.Scanner;
 
 import static utils.Constants.KILOBYTE_SIZE;
 import static utils.Constants.MAX_FILE_SIZE;
@@ -599,4 +601,19 @@ public final class DocumentManager {
         });
         return languages;
     }
+
+    public static String readFileToEnd(final File file) {
+        String output = "";
+        try {
+            try (FileInputStream is = new FileInputStream(file)) {
+                Scanner scanner = new Scanner(is);  // read data from the source
+                scanner.useDelimiter("\\A");
+                while (scanner.hasNext()) {
+                    output += scanner.next();
+                }
+                scanner.close();
+            }
+        } catch (Exception e) { }
+        return output;
+    }
 }

web/documentserver-example/java/src/main/webapp/editor.jsp

@@ -184,15 +184,54 @@
           request.open('PUT', 'IndexServlet?type=restore')
           request.send(JSON.stringify(payload))
           request.onload = function () {
-            if (request.status != 200) {
-              response = JSON.parse(request.response)
-              innerAlert(response.error)
-              return
+            const response = JSON.parse(request.responseText);
+            if (response.success && !response.error) {
+              var historyInfoUri = "IndexServlet?type=history&filename=" + config.document.title;
+              var xhr = new XMLHttpRequest();
+              xhr.open("GET", historyInfoUri, false);
+              xhr.send();
+
+              if (xhr.status == 200) {
+                  var historyInfo = JSON.parse(xhr.responseText);
+                  docEditor.refreshHistory(historyInfo);
+              }
+            } else {
+              innerAlert(response.error);
             }
-            document.location.reload()
           }
         }
 
+        var onRequestHistory = function () {
+            var historyInfoUri = "IndexServlet?type=history&filename=" + config.document.title;
+            var xhr = new XMLHttpRequest();
+            xhr.open("GET", historyInfoUri, false);
+            xhr.send();
+
+            if (xhr.status == 200) {
+                var historyInfo = JSON.parse(xhr.responseText);
+                docEditor.refreshHistory(historyInfo);
+            }
+        };
+
+        var onRequestHistoryData = function (event) {
+            var version = event.data;
+            var historyDataUri = "IndexServlet?type=historyData&filename=" + config.document.title
+                + "&version=" + version
+                + "&directUrl=" + !!config.document.directUrl;
+            var xhr = new XMLHttpRequest();
+            xhr.open("GET", historyDataUri, false);
+            xhr.send();
+
+            if (xhr.status == 200) {
+                var historyData = JSON.parse(xhr.responseText);
+                docEditor.setHistoryData(historyData);
+            }
+        };
+
+        var onRequestHistoryClose = function() {
+            document.location.reload();
+        };
+
         config = JSON.parse('<%= FileModel.serialize(Model) %>');
         config.width = "100%";
         config.height = "100%";
@@ -206,33 +245,17 @@
             "onRequestInsertImage": onRequestInsertImage,
             "onRequestCompareFile": onRequestCompareFile,
             "onRequestMailMergeRecipients": onRequestMailMergeRecipients,
-            "onRequestRestore": onRequestRestore
+            "onRequestRestore": onRequestRestore,
+            "onRequestHistory": onRequestHistory,
+            "onRequestHistoryData": onRequestHistoryData,
+            "onRequestHistoryClose": onRequestHistoryClose
         };
 
         <%
-            String[] histArray = Model.getHistory();
-            String history = histArray[0];
-            String historyData = histArray[1];
             String usersForMentions = (String) request.getAttribute("usersForMentions");
         %>
 
         if (config.editorConfig.user.id) {
-            <% if (!history.isEmpty() && !historyData.isEmpty()) { %>
-                // the user is trying to show the document version history
-                config.events['onRequestHistory'] = function () {
-                    docEditor.refreshHistory(<%= history %>);  // show the document version history
-                };
-                // the user is trying to click the specific document version in the document version history
-                config.events['onRequestHistoryData'] = function (event) {
-                    var ver = event.data;
-                    var histData = <%= historyData %>;
-                    docEditor.setHistoryData(histData[ver - 1]);  // send the link to the document for viewing the version history
-                };
-                // the user is trying to go back to the document from viewing the document version history
-                config.events['onRequestHistoryClose'] = function () {
-                    document.location.reload();
-                };
-            <% } %>
             // add mentions for not anonymous users
             config.events['onRequestUsers'] = function () {
                 docEditor.setUsers({  // set a list of users to mention in the comments

web/documentserver-example/nodejs/app.js

@@ -27,6 +27,7 @@ const jwt = require('jsonwebtoken');
 const config = require('config');
 const mime = require('mime');
 const urllib = require('urllib');
+const urlModule = require("url");
 const { emitWarning } = require('process');
 const DocManager = require('./helpers/docManager');
 const documentService = require('./helpers/documentService');
@@ -81,14 +82,6 @@ app.use((req, res, next) => {
 });
 
 app.use(express.static(path.join(__dirname, 'public'))); // public directory
-// check if there are static files such as .js, .css files, images, samples and process them
-if (config.has('server.static')) {
-  const staticContent = config.get('server.static');
-  for (let i = 0; i < staticContent.length; i++) {
-    const staticContentElem = staticContent[i];
-    app.use(staticContentElem.name, express.static(staticContentElem.path, staticContentElem.options));
-  }
-}
 app.use(favicon(`${__dirname}/public/images/favicon.ico`)); // use favicon
 
 app.use(bodyParser.json()); // connect middleware that parses json
@@ -506,6 +499,20 @@ app.post('/reference', (req, res) => { // define a handler for renaming file
     }
   }
 
+  if (!fileName && !!req.body.link) {
+    if (req.body.link.indexOf(req.DocManager.curUserHostAddress()) != -1) {
+      result({ error: 'You do not have access to this site' });
+      return;
+    }
+
+    let urlObj = urlModule.parse(req.body.link, true);
+    fileName = urlObj.query.fileName;
+    if (!req.DocManager.existsSync(req.DocManager.storagePath(fileName, userAddress))) {
+      result({ error: 'File is not exist' });
+      return;
+    }
+  }
+
   if (!fileName && !!req.body.path) {
     const filePath = fileUtility.getFileName(req.body.path);
 

web/documentserver-example/nodejs/config/default.json

@@ -26,12 +26,6 @@
     "storagePath": "/files",
     "maxFileSize": 1073741824,
     "mobileRegEx": "android|avantgo|playbook|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od|ad)|iris|kindle|lge |maemo|midp|mmp|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\\/|plucker|pocket|psp|symbian|treo|up\\.(browser|link)|vodafone|wap|windows (ce|phone)|xda|xiino",
-    "static":[
-      {
-        "name": "/files",
-        "path": "./files"
-      }
-    ],
     "token": {
         "enable": false,
         "useforrequest": true,

web/documentserver-example/nodejs/config/production-linux.json

@@ -2,12 +2,6 @@
   "server": {
     "siteUrl": "/",
     "maxFileSize": 104857600,
-    "storageFolder": "/var/lib/onlyoffice/documentserver-example/files",
-    "static":[
-      {
-        "name": "/files",
-        "path": "/var/lib/onlyoffice/documentserver-example/files"
-      }
-    ]
+    "storageFolder": "/var/lib/onlyoffice/documentserver-example/files"
   }
 }

web/documentserver-example/nodejs/config/production-windows.json

@@ -1,13 +1,6 @@
 {
   "server": {
     "siteUrl": "/",
-    "maxFileSize": 104857600,
-    "static":[
-      {
-        "name": "/files",
-        "path": "./files",
-        "options": {"maxAge": "7d"}
-      }
-    ]
+    "maxFileSize": 104857600
   }
 }