From bafc0e1e36db00cd8ab244530406ba7fb899476e Mon Sep 17 00:00:00 2001 From: "Jill \"oatmealine\" Monoids" Date: Fri, 4 Mar 2022 17:52:18 +0300 Subject: [PATCH] add bare functionality --- .env.example | 9 + .gitignore | 4 + LICENSE | 619 +++++++++++++++++++++ index.js | 109 ++++ package-lock.json | 1298 +++++++++++++++++++++++++++++++++++++++++++++ package.json | 23 + test.html | 16 + 7 files changed, 2078 insertions(+) create mode 100644 .env.example create mode 100644 .gitignore create mode 100644 LICENSE create mode 100644 index.js create mode 100644 package-lock.json create mode 100644 package.json create mode 100644 test.html diff --git a/.env.example b/.env.example new file mode 100644 index 0000000..5623f78 --- /dev/null +++ b/.env.example @@ -0,0 +1,9 @@ +PORT=5252 + +# postgres db setup +DB_USER=chartmaker +DB_HOST=localhost +DB_PASS=password + +DB_PORT=5432 +DB_NAME=chartmaker \ No newline at end of file diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..68a7cd4 --- /dev/null +++ b/.gitignore @@ -0,0 +1,4 @@ +/node_modules/ +.env +.DS_Store +/uploads/** \ No newline at end of file diff --git a/LICENSE b/LICENSE new file mode 100644 index 0000000..f4aa842 --- /dev/null +++ b/LICENSE @@ -0,0 +1,619 @@ + GNU AFFERO GENERAL PUBLIC LICENSE + Version 3, 19 November 2007 + + Copyright (C) 2007 Free Software Foundation, Inc. + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + + Preamble + + The GNU Affero General Public License is a free, copyleft license for +software and other kinds of works, specifically designed to ensure +cooperation with the community in the case of network server software. + + The licenses for most software and other practical works are designed +to take away your freedom to share and change the works. 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Interpretation of Sections 15 and 16. + + If the disclaimer of warranty and limitation of liability provided +above cannot be given local legal effect according to their terms, +reviewing courts shall apply local law that most closely approximates +an absolute waiver of all civil liability in connection with the +Program, unless a warranty or assumption of liability accompanies a +copy of the Program in return for a fee. + + END OF TERMS AND CONDITIONS \ No newline at end of file diff --git a/index.js b/index.js new file mode 100644 index 0000000..a708497 --- /dev/null +++ b/index.js @@ -0,0 +1,109 @@ +require('dotenv').config(); + +const postgres = require('postgres'); +const express = require('express'); +const app = express(); +const Hashids = require('hashids'); +const expressws = require('express-ws'); +const { generateKey } = require('crypto'); +const { promisify } = require('util'); +const multer = require('multer'); +const storage = multer.diskStorage({ + destination: 'uploads/', + filename: async (req, file, cb) => { + const key = (await promisify(generateKey)('hmac', {length: 64})).export().toString('hex'); + cb(null, key); + } +}); + +const upload = multer({ storage: storage, fileFilter: (req, file, cb) => { + if (!imageFormats.includes(file.mimetype)) return cb(null, false); + cb(null, true); +}}); + +const imageFormats = ['image/gif', 'image/jpeg', 'image/png', 'image/svg+xml', 'image/tiff', 'image/webp', 'image/bmp', 'image/avif', 'image/vnd.microsoft.icon']; + +const idLength = 6; +const hashids = new Hashids('chartmaker', idLength); + +const port = process.env.PORT || 5252; +const sql = postgres(`postgres://${process.env.DB_USER || 'chartmaker'}:${process.env.DB_PASS}@${process.env.DB_HOST || 'localhost'}:${process.env.DB_PORT || '5432'}/${process.env.DB_NAME || 'chartmaker'}`); + +expressws(app); + +app.use((req, res, next) => { + res = res.setHeader('Access-Control-Allow-Origin', '*'); + next(); +}); + +app.post('/create', async (req, res) => { + const [id] = await sql`SELECT id FROM charts ORDER BY id DESC LIMIT 1`; + let newid = (id || 0) + 1; + + let body = req.body || {}; + await sql` + INSERT INTO charts VALUES (${newid}, ${body.name || ''}, ${body.leftText || ''}, ${body.rightText || ''}, ${body.topText || ''}, ${body.bottomText || ''}) + `; + + res.status(200).send(hashids.encode(newid)); +}); + +app.post('/add', upload.single('icon'), async (req, res) => { + if (!req.body) return res.sendStatus(401); + if (!req.body.id) return res.status(401).send('Supply a chart ID!'); + if (!req.body.name) return res.status(401).send('Supply a name!'); + if (!req.body.x || !req.body.y) return res.status(401).send('Supply a position!'); + const id = hashids.decode(req.body.id); + if (!id[0]) return res.status(401).send('Invalid chart ID!'); + let [exists] = await sql` + SELECT id FROM charts WHERE id = ${id[0]} + `; + if (!exists) return res.status(401).send('Chart doesn\'t exist!'); + await sql` + INSERT INTO images VALUES (${id[0]}, ${req.file.filename}, ${req.body.name}, ${req.body.x}, ${req.body.y}) + `; + res.sendStatus(200); +}); + +app.ws('/connect', async (ws, req) => { + if (!req.query.id) return ws.close(1008, 'Supply a chart ID in the query!'); + const id = hashids.decode(req.query.id)[0]; + if (!id) return ws.close(1008, 'Invalid chart ID!'); + let [chart] = await sql` + SELECT * FROM charts WHERE id = ${id} + `; + if (!chart) return ws.close(1008, 'Chart doesn\'t exist!'); + + await ws.send(JSON.stringify({name: chart.name, leftText: chart.leftText, rightText: chart.rightText, topText: chart.topText, bottomText: chart.bottomText})); + + await ws.send(JSON.stringify((await sql`SELECT * FROM images WHERE id = ${id}`).map(i => {return {name: i.name, x: i.x, y: i.y, file: i.filepath}}))); + + // and now send new scrunklys whenever they appear + // TODO +}); + +(async () => { + await sql` + CREATE TABLE IF NOT EXISTS charts ( + id int PRIMARY KEY, + name text, + leftText text, + rightText text, + topText text, + bottomText text + ) + `; + await sql` + CREATE TABLE IF NOT EXISTS images ( + id int PRIMARY KEY, + filepath text, + name text, + x real, + y real + ) + `; + + app.listen(port, () => { + console.log(`listening on ${port}`); + }); +})(); diff --git a/package-lock.json b/package-lock.json new file mode 100644 index 0000000..67c46bb --- /dev/null +++ b/package-lock.json @@ -0,0 +1,1298 @@ +{ + "name": "chartmaker-be", + "version": "1.0.0", + "lockfileVersion": 2, + "requires": true, + "packages": { + "": { + "name": "chartmaker-be", + "version": "1.0.0", + "license": "AGPL-3.0-or-later", + "dependencies": { + "dotenv": "^16.0.0", + "express": "^4.17.3", + "express-ws": "^5.0.2", + "hashids": "^2.2.10", + "multer": "^1.4.4", + "postgres": "^1.0.2" + } + }, + "node_modules/accepts": { + "version": "1.3.8", + "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.8.tgz", + "integrity": 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--git a/test.html b/test.html new file mode 100644 index 0000000..d00c50f --- /dev/null +++ b/test.html @@ -0,0 +1,16 @@ +add
+ +
+ + + + + + +
+ +create
+ +
+ +
\ No newline at end of file