poc

server/index.js

@@ -0,0 +1,80 @@
+const express = require('express');
+const cors = require('cors')
+const path = require('path');
+const app = express();
+const fs = require('node:fs');
+
+const DRAWDB_FILE_DIR = process.env.DRAWDB_FILE_DIR || '/usercode'
+const DRAWDB_HOME = process.env.DRAWDB_HOME || path.join(__dirname, '../dist');
+const DRAWDB_PORT = process.env.DRAWDB_PORT || 8080;
+
+app.use(cors())
+app.use(express.json())
+
+// Serve the static files from the DrawDB app
+app.use(express.static(DRAWDB_HOME));
+
+app.post('/api/usercode-files/', (req, res) => {
+  const { filename, content } = req.body;
+
+  if (!filename || !content) {
+      return res.status(400).send('Filename and content are required');
+  }
+  const filePath = path.join(DRAWDB_FILE_DIR, filename);
+
+  fs.writeFile(filePath, JSON.stringify(content), 'utf8', (err) => {
+      if (err) {
+          return res.status(500).send('Error writing ddb file');
+      }
+      res.send('File written successfully');
+  });
+});
+
+app.get('/api/usercode-files/:filename', (req, res) => {
+  const filename = req.params.filename;
+  const filePath = path.join(DRAWDB_FILE_DIR, filename); // Adjust the path based on your directory structure
+
+  fs.readFile(filePath, 'utf8', (err, data) => {
+    if (err) {
+      if (err.code === 'ENOENT') {
+        // File not found
+        return res.status(404).send('File not found');
+      }
+      // Some other error
+      return res.status(500).send('Error reading file');
+    }
+    res.send(data);
+  });
+});
+
+app.delete('/api/usercode-files/:filename', (req, res) => {
+  const filename = req.params.filename;
+
+  if (!filename) {
+    return res.status(400).send('Filename is required');
+  }
+
+  const filePath = path.join(DRAWDB_FILE_DIR, filename);
+
+  fs.access(filePath, fs.constants.F_OK, (err) => {
+    if (err) {
+      return res.send('File does not exists.');
+    }
+    fs.unlink(filePath, (err) => {
+      if (err) {
+        return res.status(500).send('Error deleting file');
+      }
+      res.send('File deleted successfully');
+    });
+  });
+})
+
+// Handles any requests that don't match the ones above
+app.get('*', (req, res) => {
+  res.sendFile(path.join(DRAWDB_HOME, 'index.html'));
+});
+
+
+app.listen(DRAWDB_PORT, () => {
+  console.log(`DrawDB is running on port ${DRAWDB_PORT}`);
+});

server/package.json

@@ -0,0 +1,22 @@
+{
+  "name": "drawdb-wrapper",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1",
+    "start": "node index.js",
+    "build": "webpack"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "cors": "^2.8.5",
+    "express": "^4.21.0"
+  },
+  "devDependencies": {
+    "webpack": "^5.94.0",
+    "webpack-cli": "^5.1.4"
+  }
+}

server/server.js.LICENSE.txt

@@ -0,0 +1,256 @@
+/*
+object-assign
+(c) Sindre Sorhus
+@license MIT
+*/
+
+/*!
+ * accepts
+ * Copyright(c) 2014 Jonathan Ong
+ * Copyright(c) 2015 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+/*!
+ * body-parser
+ * Copyright(c) 2014 Jonathan Ong
+ * Copyright(c) 2014-2015 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+/*!
+ * body-parser
+ * Copyright(c) 2014-2015 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+/*!
+ * bytes
+ * Copyright(c) 2012-2014 TJ Holowaychuk
+ * Copyright(c) 2015 Jed Watson
+ * MIT Licensed
+ */
+
+/*!
+ * content-disposition
+ * Copyright(c) 2014-2017 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+/*!
+ * content-type
+ * Copyright(c) 2015 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+/*!
+ * cookie
+ * Copyright(c) 2012-2014 Roman Shtylman
+ * Copyright(c) 2015 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+/*!
+ * depd
+ * Copyright(c) 2014-2018 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+/*!
+ * destroy
+ * Copyright(c) 2014 Jonathan Ong
+ * Copyright(c) 2015-2022 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+/*!
+ * ee-first
+ * Copyright(c) 2014 Jonathan Ong
+ * MIT Licensed
+ */
+
+/*!
+ * encodeurl
+ * Copyright(c) 2016 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+/*!
+ * escape-html
+ * Copyright(c) 2012-2013 TJ Holowaychuk
+ * Copyright(c) 2015 Andreas Lubbe
+ * Copyright(c) 2015 Tiancheng "Timothy" Gu
+ * MIT Licensed
+ */
+
+/*!
+ * etag
+ * Copyright(c) 2014-2016 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+/*!
+ * express
+ * Copyright(c) 2009-2013 TJ Holowaychuk
+ * Copyright(c) 2013 Roman Shtylman
+ * Copyright(c) 2014-2015 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+/*!
+ * express
+ * Copyright(c) 2009-2013 TJ Holowaychuk
+ * Copyright(c) 2014-2015 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+/*!
+ * finalhandler
+ * Copyright(c) 2014-2022 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+/*!
+ * forwarded
+ * Copyright(c) 2014-2017 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+/*!
+ * fresh
+ * Copyright(c) 2012 TJ Holowaychuk
+ * Copyright(c) 2016-2017 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+/*!
+ * http-errors
+ * Copyright(c) 2014 Jonathan Ong
+ * Copyright(c) 2016 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+/*!
+ * media-typer
+ * Copyright(c) 2014 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+/*!
+ * merge-descriptors
+ * Copyright(c) 2014 Jonathan Ong
+ * Copyright(c) 2015 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+/*!
+ * methods
+ * Copyright(c) 2013-2014 TJ Holowaychuk
+ * Copyright(c) 2015-2016 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+/*!
+ * mime-db
+ * Copyright(c) 2014 Jonathan Ong
+ * Copyright(c) 2015-2022 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+/*!
+ * mime-types
+ * Copyright(c) 2014 Jonathan Ong
+ * Copyright(c) 2015 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+/*!
+ * negotiator
+ * Copyright(c) 2012 Federico Romero
+ * Copyright(c) 2012-2014 Isaac Z. Schlueter
+ * Copyright(c) 2015 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+/*!
+ * on-finished
+ * Copyright(c) 2013 Jonathan Ong
+ * Copyright(c) 2014 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+/*!
+ * parseurl
+ * Copyright(c) 2014 Jonathan Ong
+ * Copyright(c) 2014-2017 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+/*!
+ * proxy-addr
+ * Copyright(c) 2014-2016 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+/*!
+ * range-parser
+ * Copyright(c) 2012-2014 TJ Holowaychuk
+ * Copyright(c) 2015-2016 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+/*!
+ * raw-body
+ * Copyright(c) 2013-2014 Jonathan Ong
+ * Copyright(c) 2014-2022 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+/*!
+ * send
+ * Copyright(c) 2012 TJ Holowaychuk
+ * Copyright(c) 2014-2022 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+/*!
+ * serve-static
+ * Copyright(c) 2010 Sencha Inc.
+ * Copyright(c) 2011 TJ Holowaychuk
+ * Copyright(c) 2014-2016 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+/*!
+ * statuses
+ * Copyright(c) 2014 Jonathan Ong
+ * Copyright(c) 2016 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+/*!
+ * toidentifier
+ * Copyright(c) 2016 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+/*!
+ * type-is
+ * Copyright(c) 2014 Jonathan Ong
+ * Copyright(c) 2014-2015 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+/*!
+ * unpipe
+ * Copyright(c) 2015 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+/*!
+ * vary
+ * Copyright(c) 2014-2017 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+/*! safe-buffer. MIT License. Feross Aboukhadijeh <https://feross.org/opensource> */

server/usercode/Untitled Diagram.ddb

@@ -0,0 +1 @@
+{"author":"Unnamed","title":"Untitled Diagram","date":"2024-09-20T09:27:33.343Z","tables":[{"id":0,"name":"table_0","x":0,"y":0,"fields":[{"name":"id","type":"INTEGER","default":"","check":"","primary":true,"unique":true,"notNull":true,"increment":true,"comment":"","id":0}],"comment":"","indices":[],"color":"#175e7a","key":1726824435540}],"relationships":[],"notes":[],"subjectAreas":[],"database":"mysql"}

server/webpack.config.js

@@ -0,0 +1,12 @@
+const path = require('path');
+
+module.exports = {
+  mode: 'production',
+  entry: './index.js',
+  output: {
+    path: path.join(__dirname),
+    publicPath: '/',
+    filename: 'server.js',
+  },
+  target: 'node',
+};