mirror of
https://github.com/ONLYOFFICE/document-server-integration.git
synced 2026-04-07 14:06:11 +08:00
511 lines
21 KiB
JavaScript
511 lines
21 KiB
JavaScript
"use strict";
|
|
/**
|
|
*
|
|
* (c) Copyright Ascensio System SIA 2021
|
|
*
|
|
* 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.
|
|
*
|
|
*/
|
|
|
|
const path = require("path");
|
|
const fileSystem = require("fs");
|
|
const fileUtility = require("./fileUtility");
|
|
const documentService = require("./documentService");
|
|
const configServer = require('config').get('server');
|
|
const storageConfigFolder = configServer.get("storageFolder");
|
|
|
|
function docManager(req, res) {
|
|
this.req = req;
|
|
this.res = res;
|
|
}
|
|
|
|
// check if the path exists or not
|
|
docManager.prototype.existsSync = function(path) {
|
|
let res = true;
|
|
try {
|
|
fileSystem.accessSync(path, fileSystem.F_OK); // synchronously test the user's permissions for the directory specified by path; the directory is visible to the calling process
|
|
} catch (e) { // the response is set to false, if an error occurs
|
|
res = false;
|
|
}
|
|
return res;
|
|
};
|
|
|
|
// create a new directory if it doesn't exist
|
|
docManager.prototype.createDirectory = function(path) {
|
|
if (!this.existsSync(path)) {
|
|
fileSystem.mkdirSync(path);
|
|
}
|
|
};
|
|
|
|
// get the language from the request
|
|
docManager.prototype.getLang = function () {
|
|
if (new RegExp("^[a-z]{2}(-[A-Z]{2})?$", "i").test(this.req.query.lang)) {
|
|
return this.req.query.lang;
|
|
} else { // the default language value is English
|
|
return "en"
|
|
}
|
|
};
|
|
|
|
// get customization parameters
|
|
docManager.prototype.getCustomParams = function () {
|
|
let params = "";
|
|
|
|
const userid = this.req.query.userid; // user id
|
|
params += (userid ? "&userid=" + userid : "");
|
|
|
|
const lang = this.req.query.lang; // language
|
|
params += (lang ? "&lang=" + this.getLang() : "");
|
|
|
|
const fileName = this.req.query.fileName; // file name
|
|
params += (fileName ? "&fileName=" + fileName : "");
|
|
|
|
const mode = this.req.query.mode; // mode: view/edit/review/comment/fillForms/embedded
|
|
params += (mode ? "&mode=" + mode : "");
|
|
|
|
const type = this.req.query.type; // type: embedded/mobile/desktop
|
|
params += (type ? "&type=" + type : "");
|
|
|
|
return params;
|
|
};
|
|
|
|
// get the correct file name if such a name already exists
|
|
docManager.prototype.getCorrectName = function (fileName, userAddress) {
|
|
const baseName = fileUtility.getFileName(fileName, true); // get file name from the url without extension
|
|
const ext = fileUtility.getFileExtension(fileName); // get file extension from the url
|
|
let name = baseName + ext; // get full file name
|
|
let index = 1;
|
|
|
|
while (this.existsSync(this.storagePath(name, userAddress))) { // if the file with such a name already exists in this directory
|
|
name = baseName + " (" + index + ")" + ext; // add an index after its base name
|
|
index++;
|
|
}
|
|
|
|
return name;
|
|
};
|
|
|
|
// processes a request editnew
|
|
docManager.prototype.RequestEditnew = function (req, fileName, user) {
|
|
if (req.params['id'] != fileName){ // processes a repeated request editnew
|
|
this.fileRemove(req.params['id']);
|
|
fileName = this.getCorrectName(req.params['id']);
|
|
}
|
|
this.fileSizeZero(fileName);
|
|
this.saveFileData(fileName, user.id, user.name);
|
|
|
|
return fileName;
|
|
}
|
|
|
|
// delete a file with its history
|
|
docManager.prototype.fileRemove = function (fileName) {
|
|
const filePath = this.storagePath(fileName); // get the path to this file
|
|
fileSystem.unlinkSync(filePath); // and delete it
|
|
|
|
const userAddress = this.curUserHostAddress();
|
|
const historyPath = this.historyPath(fileName, userAddress, true);
|
|
this.cleanFolderRecursive(historyPath, true); // clean all the files from the history folder
|
|
}
|
|
|
|
// create a zero-size file
|
|
docManager.prototype.fileSizeZero = function (fileName) {
|
|
var path = this.storagePath(fileName);
|
|
var fh = fileSystem.openSync(path, 'w');
|
|
fileSystem.closeSync(fh);
|
|
}
|
|
|
|
// create demo document
|
|
docManager.prototype.createDemo = function (isSample, fileExt, userid, username, wopi) {
|
|
|
|
const demoName = (isSample ? "sample" : "new") + "." + fileExt;
|
|
const fileName = this.getCorrectName(demoName); // get the correct file name if such a name already exists
|
|
|
|
this.copyFile(path.join(__dirname, "..","public", "assets", isSample ? "sample" : "new", demoName), this.storagePath(fileName)); // copy sample document of a necessary extension to the storage path
|
|
|
|
this.saveFileData(fileName, userid, username); // save file data to the file
|
|
|
|
return fileName;
|
|
};
|
|
|
|
// save file data to the file
|
|
docManager.prototype.saveFileData = function (fileName, userid, username, userAddress) {
|
|
if (!userAddress) {
|
|
userAddress = this.curUserHostAddress(); // get current user host address
|
|
}
|
|
// get full creation date of the document
|
|
const date_create = fileSystem.statSync(this.storagePath(fileName, userAddress)).mtime;
|
|
const minutes = (date_create.getMinutes() < 10 ? '0' : '') + date_create.getMinutes().toString();
|
|
const month = (date_create.getMonth() < 10 ? '0' : '') + (parseInt(date_create.getMonth().toString()) + 1);
|
|
const sec = (date_create.getSeconds() < 10 ? '0' : '') + date_create.getSeconds().toString();
|
|
const date_format = date_create.getFullYear() + "-" + month + "-" + date_create.getDate() + " " + date_create.getHours() + ":" + minutes + ":" + sec;
|
|
|
|
const file_info = this.historyPath(fileName, userAddress, true); // get file history information
|
|
this.createDirectory(file_info); // create a new history directory if it doesn't exist
|
|
|
|
fileSystem.writeFileSync(path.join(file_info, fileName + ".txt"), date_format + "," + userid + "," + username); // write all the file information to a new txt file
|
|
};
|
|
|
|
// get file data
|
|
docManager.prototype.getFileData = function (fileName, userAddress) {
|
|
const history = path.join(this.historyPath(fileName, userAddress, true), fileName + ".txt"); // get the path to the file with file information
|
|
if (!this.existsSync(history)) { // if such a file doesn't exist
|
|
return ["2017-01-01", "uid-1", "John Smith"]; // return default information
|
|
}
|
|
|
|
return ((fileSystem.readFileSync(history)).toString()).split(",");
|
|
};
|
|
|
|
// get url to the original file
|
|
docManager.prototype.getFileUri = function (fileName) {
|
|
return this.getlocalFileUri(fileName, 0, true);
|
|
};
|
|
|
|
// get local file url
|
|
docManager.prototype.getlocalFileUri = function (fileName, version, forDocumentServer) {
|
|
const serverPath = this.getServerUrl(forDocumentServer);
|
|
const hostAddress = this.curUserHostAddress();
|
|
let url = serverPath + configServer.get("storagePath") + "/" + hostAddress + "/" + encodeURIComponent(fileName); // get full url address to the file
|
|
if (!version) {
|
|
return url;
|
|
}
|
|
return url + "-history/" + version; // return history path to the specified file version
|
|
};
|
|
|
|
// get server url
|
|
docManager.prototype.getServerUrl = function (forDocumentServer) {
|
|
return (forDocumentServer && !!configServer.get("exampleUrl")) ? configServer.get("exampleUrl") : this.getServerPath();
|
|
};
|
|
|
|
// get server address from the request
|
|
docManager.prototype.getServerPath = function () {
|
|
return this.getServerHost() + (this.req.headers["x-forwarded-path"] || this.req.baseUrl);
|
|
};
|
|
|
|
// get host address from the request
|
|
docManager.prototype.getServerHost = function () {
|
|
return this.getProtocol() + "://" + (this.req.headers["x-forwarded-host"] || this.req.headers["host"]);
|
|
};
|
|
|
|
// get protocol from the request
|
|
docManager.prototype.getProtocol = function () {
|
|
return this.req.headers["x-forwarded-proto"] || this.req.protocol;
|
|
};
|
|
|
|
// get callback url
|
|
docManager.prototype.getCallback = function (fileName) {
|
|
const server = this.getServerUrl(true);
|
|
const hostAddress = this.curUserHostAddress();
|
|
const handler = "/track?filename=" + encodeURIComponent(fileName) + "&useraddress=" + encodeURIComponent(hostAddress); // get callback handler
|
|
|
|
return server + handler;
|
|
};
|
|
|
|
// get url to the created file
|
|
docManager.prototype.getCreateUrl = function (docType, userid, type, lang) {
|
|
const server = this.getServerUrl();
|
|
var ext = this.getInternalExtension(docType).replace(".", "");
|
|
const handler = "/editor?fileExt=" + ext + "&userid=" + userid + "&type=" + type + "&lang=" + lang;
|
|
|
|
return server + handler;
|
|
}
|
|
|
|
// get url to download a file
|
|
docManager.prototype.getDownloadUrl = function (fileName) {
|
|
const server = this.getServerUrl(true);
|
|
const hostAddress = this.curUserHostAddress();
|
|
const handler = "/download?fileName=" + encodeURIComponent(fileName) + "&useraddress=" + encodeURIComponent(hostAddress);
|
|
|
|
return server + handler;
|
|
};
|
|
|
|
docManager.prototype.storageRootPath = function (userAddress) {
|
|
return path.join(storageConfigFolder, this.curUserHostAddress(userAddress)); // get the path to the directory for the host address
|
|
}
|
|
|
|
// get the storage path of the given file
|
|
docManager.prototype.storagePath = function (fileName, userAddress) {
|
|
fileName = fileUtility.getFileName(fileName); // get the file name with extension
|
|
const directory = this.storageRootPath(userAddress);
|
|
this.createDirectory(directory); // create a new directory if it doesn't exist
|
|
return path.join(directory, fileName); // put the given file to this directory
|
|
};
|
|
|
|
// get the path to the forcesaved file version
|
|
docManager.prototype.forcesavePath = function (fileName, userAddress, create) {
|
|
let directory = this.storageRootPath(userAddress);
|
|
if (!this.existsSync(directory)) { // the directory with host address doesn't exist
|
|
return "";
|
|
}
|
|
directory = path.join(directory, fileName + "-history"); // get the path to the history of the given file
|
|
if (!create && !this.existsSync(directory)) { // the history directory doesn't exist and we are not supposed to create it
|
|
return "";
|
|
}
|
|
this.createDirectory(directory); // create history directory if it doesn't exist
|
|
directory = path.join(directory, fileName); // and get the path to the given file
|
|
if (!create && !this.existsSync(directory)) {
|
|
return "";
|
|
}
|
|
return directory;
|
|
};
|
|
|
|
// create the path to the file history
|
|
docManager.prototype.historyPath = function (fileName, userAddress, create) {
|
|
let directory = this.storageRootPath(userAddress);
|
|
if (!this.existsSync(directory)) {
|
|
return "";
|
|
}
|
|
directory = path.join(directory, fileName + "-history");
|
|
if (!create && !this.existsSync(path.join(directory, "1"))) {
|
|
return "";
|
|
}
|
|
return directory;
|
|
};
|
|
|
|
// get the path to the specified file version
|
|
docManager.prototype.versionPath = function (fileName, userAddress, version) {
|
|
const historyPath = this.historyPath(fileName, userAddress, true); // get the path to the history of a given file or create it if it doesn't exist
|
|
return path.join(historyPath, "" + version);
|
|
};
|
|
|
|
// get the path to the previous file version
|
|
docManager.prototype.prevFilePath = function (fileName, userAddress, version) {
|
|
return path.join(this.versionPath(fileName, userAddress, version), "prev" + fileUtility.getFileExtension(fileName));
|
|
};
|
|
|
|
// get the path to the file with document versions differences
|
|
docManager.prototype.diffPath = function (fileName, userAddress, version) {
|
|
return path.join(this.versionPath(fileName, userAddress, version), "diff.zip");
|
|
};
|
|
|
|
// get the path to the file with document changes
|
|
docManager.prototype.changesPath = function (fileName, userAddress, version) {
|
|
return path.join(this.versionPath(fileName, userAddress, version), "changes.txt");
|
|
};
|
|
|
|
// get the path to the file with key value in it
|
|
docManager.prototype.keyPath = function (fileName, userAddress, version) {
|
|
return path.join(this.versionPath(fileName, userAddress, version), "key.txt");
|
|
};
|
|
|
|
// get the path to the file with the user information
|
|
docManager.prototype.changesUser = function (fileName, userAddress, version) {
|
|
return path.join(this.versionPath(fileName, userAddress, version), "user.txt");
|
|
};
|
|
|
|
// get all the stored files
|
|
docManager.prototype.getStoredFiles = function () {
|
|
const userAddress = this.curUserHostAddress();
|
|
const directory = this.storageRootPath(userAddress);
|
|
this.createDirectory(directory);
|
|
const result = [];
|
|
const storedFiles = fileSystem.readdirSync(directory); // read the user host directory contents
|
|
for (let i = 0; i < storedFiles.length; i++) { // run through all the elements from the folder
|
|
const stats = fileSystem.lstatSync(path.join(directory, storedFiles[i])); // save element parameters
|
|
|
|
if (!stats.isDirectory()) { // if the element isn't a directory
|
|
let historyPath = this.historyPath(storedFiles[i], userAddress); // get the path to the file history
|
|
let version = 0;
|
|
if (historyPath != "") { // if the history path exists
|
|
version = this.countVersion(historyPath); // get the last file version
|
|
}
|
|
|
|
const time = stats.mtime.getTime(); // get the time of element modification
|
|
const item = { // create an object with element data
|
|
time: time,
|
|
name: storedFiles[i],
|
|
documentType: fileUtility.getFileType(storedFiles[i]),
|
|
canEdit: configServer.get("editedDocs").indexOf(fileUtility.getFileExtension(storedFiles[i])) != -1,
|
|
version: version+1
|
|
};
|
|
|
|
if (!result.length) { // if the result array is empty
|
|
result.push(item); // push the item object to it
|
|
} else {
|
|
let j = 0;
|
|
for (; j < result.length; j++) {
|
|
if (time > result[j].time) { // otherwise, run through all the objects from the result array
|
|
break;
|
|
}
|
|
}
|
|
result.splice(j, 0, item); // and add new object in ascending order of time
|
|
}
|
|
}
|
|
}
|
|
return result;
|
|
};
|
|
|
|
// get current user host address
|
|
docManager.prototype.curUserHostAddress = function (userAddress) {
|
|
if (!userAddress) // if user address isn't passed to the function
|
|
userAddress = this.req.headers["x-forwarded-for"] || this.req.connection.remoteAddress; // take it from the header or use the remote address
|
|
|
|
return userAddress.replace(new RegExp("[^0-9a-zA-Z.=]", "g"), "_");
|
|
};
|
|
|
|
// copy file
|
|
docManager.prototype.copyFile = function (exist, target) {
|
|
fileSystem.writeFileSync(target, fileSystem.readFileSync(exist));
|
|
};
|
|
|
|
// get an internal extension
|
|
docManager.prototype.getInternalExtension = function (fileType) {
|
|
if (fileType == fileUtility.fileType.word) // .docx for word type
|
|
return ".docx";
|
|
|
|
if (fileType == fileUtility.fileType.cell) // .xlsx for cell type
|
|
return ".xlsx";
|
|
|
|
if (fileType == fileUtility.fileType.slide) // .pptx for slide type
|
|
return ".pptx";
|
|
|
|
return ".docx"; // the default value is .docx
|
|
};
|
|
|
|
// get the template image url
|
|
docManager.prototype.getTemplateImageUrl = function (fileType) {
|
|
let path = this.getServerUrl(true);
|
|
if (fileType == fileUtility.fileType.word) // for word type
|
|
return path + "/images/file_docx.svg";
|
|
|
|
if (fileType == fileUtility.fileType.cell) // for cell type
|
|
return path + "/images/file_xlsx.svg";
|
|
|
|
if (fileType == fileUtility.fileType.slide) // for slide type
|
|
return path + "/images/file_pptx.svg";
|
|
|
|
return path + "/images/file_docx.svg"; // the default value
|
|
}
|
|
|
|
// get document key
|
|
docManager.prototype.getKey = function (fileName, userAddress) {
|
|
userAddress = userAddress || this.curUserHostAddress();
|
|
let key = userAddress + this.getlocalFileUri(fileName); // get document key by adding local file url to the current user host address
|
|
|
|
let historyPath = this.historyPath(fileName, userAddress); // get the path to the file history
|
|
if (historyPath != ""){ // if the path to the file history exists
|
|
key += this.countVersion(historyPath); // add file version number to the document key
|
|
}
|
|
|
|
let storagePath = this.storagePath(fileName, userAddress); // get the storage path to the given file
|
|
const stat = fileSystem.statSync(storagePath); // get file information
|
|
key += stat.mtime.getTime(); // and add creation time to the document key
|
|
|
|
return documentService.generateRevisionId(key); // generate the document key value
|
|
};
|
|
|
|
// get current date
|
|
docManager.prototype.getDate = function (date) {
|
|
const minutes = (date.getMinutes() < 10 ? '0' : '') + date.getMinutes().toString();
|
|
return date.getMonth() + "/" + date.getDate() + "/" + date.getFullYear() + " " + date.getHours() + ":" + minutes;
|
|
};
|
|
|
|
// get changes made in the file
|
|
docManager.prototype.getChanges = function (fileName) {
|
|
if (this.existsSync(fileName)) { // if the directory with such a file exists
|
|
return JSON.parse(fileSystem.readFileSync(fileName)); // read this file and parse it
|
|
}
|
|
return null;
|
|
};
|
|
|
|
// get the last file version
|
|
docManager.prototype.countVersion = function(directory) {
|
|
let i = 0;
|
|
while (this.existsSync(path.join(directory, '' + (i + 1)))) { // run through all the file versions
|
|
i++; // and count them
|
|
}
|
|
return i;
|
|
};
|
|
|
|
// get file history information
|
|
docManager.prototype.getHistory = function (fileName, content, keyVersion, version) {
|
|
let oldVersion = false;
|
|
let contentJson = null;
|
|
if (content) { // if content is defined
|
|
if (content.changes && content.changes.length) { // and there are some modifications in the content
|
|
contentJson = content.changes[0]; // write these modifications to the json content
|
|
} else if (content.length){
|
|
contentJson = content[0]; // otherwise, write original content to the json content
|
|
oldVersion = true; // and note that this is an old version
|
|
} else {
|
|
content = false;
|
|
}
|
|
}
|
|
|
|
const userAddress = this.curUserHostAddress();
|
|
const username = content ? (oldVersion ? contentJson.username : contentJson.user.name) : (this.getFileData(fileName, userAddress))[2];
|
|
const userid = content ? (oldVersion ? contentJson.userid : contentJson.user.id) : (this.getFileData(fileName, userAddress))[1];
|
|
const created = content ? (oldVersion ? contentJson.date : contentJson.created) : (this.getFileData(fileName, userAddress))[0];
|
|
const res = (content && !oldVersion) ? content : {changes: content};
|
|
res.key = keyVersion; // write the information about the user, creation time, key and version to the result object
|
|
res.version = version;
|
|
res.created = created;
|
|
res.user = {
|
|
id: userid,
|
|
name: username != "null" ? username : null
|
|
};
|
|
|
|
return res;
|
|
};
|
|
|
|
// clean folder
|
|
docManager.prototype.cleanFolderRecursive = function (folder, me) {
|
|
if (fileSystem.existsSync(folder)) { // if the given folder exists
|
|
const files = fileSystem.readdirSync(folder);
|
|
files.forEach((file) => { // for each file from the folder
|
|
const curPath = path.join(folder, file); // get its current path
|
|
if (fileSystem.lstatSync(curPath).isDirectory()) {
|
|
this.cleanFolderRecursive(curPath, true); // for each folder included in this one repeat the same procedure
|
|
} else {
|
|
fileSystem.unlinkSync(curPath); // remove the file
|
|
}
|
|
});
|
|
if (me) {
|
|
fileSystem.rmdirSync(folder);
|
|
}
|
|
}
|
|
};
|
|
|
|
// get files information
|
|
docManager.prototype.getFilesInfo = function (fileId) {
|
|
const userAddress = this.curUserHostAddress();
|
|
const directory = this.storageRootPath(userAddress);
|
|
const filesInDirectory = this.getStoredFiles(); // get all the stored files from the folder
|
|
let responseArray = [];
|
|
let responseObject;
|
|
for (let currentFile = 0; currentFile < filesInDirectory.length; currentFile++) { // run through all the files from the directory
|
|
const file = filesInDirectory[currentFile];
|
|
const stats = fileSystem.lstatSync(path.join(directory, file.name)); // get file information
|
|
const fileObject = { // write file parameters to the file object
|
|
version: file.version,
|
|
id: this.getKey(file.name),
|
|
contentLength: `${(stats.size/1024).toFixed(2)} KB`,
|
|
pureContentLength: stats.size,
|
|
title: file.name,
|
|
updated: stats.mtime
|
|
};
|
|
if (fileId !== undefined) { // if file id is defined
|
|
if (this.getKey(file.name) == fileId) { // and it is equal to the document key value
|
|
responseObject = fileObject; // response object will be equal to the file object
|
|
break;
|
|
}
|
|
}
|
|
else responseArray.push(fileObject); // otherwise, push file object to the response array
|
|
};
|
|
if (fileId !== undefined) {
|
|
if (responseObject !== undefined) return responseObject;
|
|
else return "File not found";
|
|
}
|
|
else return responseArray;
|
|
};
|
|
|
|
// save all the functions to the docManager module to export it later in other files
|
|
module.exports = docManager;
|