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import notes from tar archive, closes #63
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azivner
@@ -2,104 +2,128 @@
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const express = require('express');
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const router = express.Router();
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const fs = require('fs');
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const sql = require('../../services/sql');
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const data_dir = require('../../services/data_dir');
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const utils = require('../../services/utils');
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const sync_table = require('../../services/sync_table');
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const auth = require('../../services/auth');
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const notes = require('../../services/notes');
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const wrap = require('express-promise-wrap').wrap;
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const tar = require('tar-stream');
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const multer = require('multer')();
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const stream = require('stream');
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const path = require('path');
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router.get('/:directory/to/:parentNoteId', auth.checkApiAuth, wrap(async (req, res, next) => {
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const directory = req.params.directory.replace(/[^0-9a-zA-Z_-]/gi, '');
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function getFileName(name) {
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let key;
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if (name.endsWith(".dat")) {
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key = "data";
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name = name.substr(0, name.length - 4);
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}
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else if (name.endsWith((".meta"))) {
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key = "meta";
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name = name.substr(0, name.length - 5);
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}
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else {
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throw new Error("Unknown file type in import archive: " + name);
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}
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return {name, key};
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}
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async function parseImportFile(file) {
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const fileMap = {};
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const files = [];
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const extract = tar.extract();
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extract.on('entry', function(header, stream, next) {
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let {name, key} = getFileName(header.name);
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let file = fileMap[name];
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if (!file) {
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file = fileMap[name] = {
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children: []
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};
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let parentFileName = path.dirname(header.name);
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if (parentFileName && parentFileName !== '.') {
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fileMap[parentFileName].children.push(file);
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}
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else {
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files.push(file);
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}
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}
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const chunks = [];
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stream.on("data", function (chunk) {
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chunks.push(chunk);
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});
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// header is the tar header
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// stream is the content body (might be an empty stream)
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// call next when you are done with this entry
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stream.on('end', function() {
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file[key] = Buffer.concat(chunks);
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if (key === "meta") {
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file[key] = JSON.parse(file[key].toString("UTF-8"));
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}
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next(); // ready for next entry
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});
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stream.resume(); // just auto drain the stream
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});
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return new Promise(resolve => {
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extract.on('finish', function() {
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resolve(files);
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});
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const bufferStream = new stream.PassThrough();
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bufferStream.end(file.buffer);
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bufferStream.pipe(extract);
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});
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}
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router.post('/:parentNoteId', auth.checkApiAuthOrElectron, multer.single('upload'), wrap(async (req, res, next) => {
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const sourceId = req.headers.source_id;
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const parentNoteId = req.params.parentNoteId;
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const file = req.file;
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const dir = data_dir.EXPORT_DIR + '/' + directory;
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const note = await sql.getRow("SELECT * FROM notes WHERE noteId = ?", [parentNoteId]);
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await sql.doInTransaction(async () => await importNotes(dir, parentNoteId));
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if (!note) {
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return res.status(404).send(`Note ${parentNoteId} doesn't exist.`);
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}
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const files = await parseImportFile(file);
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await sql.doInTransaction(async () => {
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await importNotes(files, parentNoteId, sourceId);
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});
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res.send({});
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}));
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async function importNotes(dir, parentNoteId) {
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const parent = await sql.getRow("SELECT * FROM notes WHERE noteId = ?", [parentNoteId]);
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if (!parent) {
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return;
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}
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const fileList = fs.readdirSync(dir);
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for (const file of fileList) {
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const path = dir + '/' + file;
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if (fs.lstatSync(path).isDirectory()) {
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continue;
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async function importNotes(files, parentNoteId, sourceId) {
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for (const file of files) {
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if (file.meta.type !== 'file') {
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file.data = file.data.toString("UTF-8");
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}
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if (!file.endsWith('.html')) {
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continue;
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}
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const fileNameWithoutExt = file.substr(0, file.length - 5);
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let noteTitle;
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let notePos;
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const match = fileNameWithoutExt.match(/^([0-9]{4})-(.*)$/);
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if (match) {
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notePos = parseInt(match[1]);
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noteTitle = match[2];
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}
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else {
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let maxPos = await sql.getValue("SELECT MAX(notePosition) FROM note_tree WHERE parentNoteId = ? AND isDeleted = 0", [parentNoteId]);
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if (maxPos) {
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notePos = maxPos + 1;
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}
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else {
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notePos = 0;
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}
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noteTitle = fileNameWithoutExt;
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}
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const noteText = fs.readFileSync(path, "utf8");
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const noteId = utils.newNoteId();
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const noteTreeId = utils.newNoteRevisionId();
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const now = utils.nowDate();
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await sql.insert('note_tree', {
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noteTreeId: noteTreeId,
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noteId: noteId,
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parentNoteId: parentNoteId,
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notePosition: notePos,
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isExpanded: 0,
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isDeleted: 0,
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dateModified: now
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const noteId = await notes.createNote(parentNoteId, file.meta.title, file.data, {
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type: file.meta.type,
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mime: file.meta.mime,
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attributes: file.meta.attributes,
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sourceId: sourceId
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});
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await sync_table.addNoteTreeSync(noteTreeId);
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await sql.insert('notes', {
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noteId: noteId,
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title: noteTitle,
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content: noteText,
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isDeleted: 0,
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isProtected: 0,
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type: 'text',
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mime: 'text/html',
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dateCreated: now,
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dateModified: now
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});
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await sync_table.addNoteSync(noteId);
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const noteDir = dir + '/' + fileNameWithoutExt;
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if (fs.existsSync(noteDir) && fs.lstatSync(noteDir).isDirectory()) {
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await importNotes(noteDir, noteId);
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if (file.children.length > 0) {
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await importNotes(file.children, noteId, sourceId);
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}
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}
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}
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