added basic support for uploading and serving files

migrations/0063__image_table.sql

@@ -0,0 +1,11 @@
+CREATE TABLE images
+(
+  image_id TEXT PRIMARY KEY NOT NULL,
+  format TEXT NOT NULL,
+  checksum TEXT NOT NULL,
+  name TEXT NOT NULL,
+  data BLOB,
+  is_deleted INT NOT NULL DEFAULT 0,
+  date_modified TEXT NOT NULL,
+  date_created TEXT NOT NULL
+);

routes/api/image.js

@@ -0,0 +1,51 @@
+"use strict";
+
+const express = require('express');
+const router = express.Router();
+const sql = require('../../services/sql');
+const auth = require('../../services/auth');
+const utils = require('../../services/utils');
+const multer = require('multer')();
+
+router.get('/:imageId/:filename', auth.checkApiAuth, async (req, res, next) => {
+    const image = await sql.getFirst("SELECT * FROM images WHERE image_id = ?", [req.params.imageId]);
+
+    if (!image) {
+        return res.status(404).send({});
+    }
+
+    res.set('Content-Type', 'image/' + image.format);
+
+    res.send(image.data);
+});
+
+router.post('/upload', auth.checkApiAuth, multer.single('upload'), async (req, res, next) => {
+    const file = req.file;
+    console.log("File: ", file);
+
+    const imageId = utils.newNoteId();
+
+    if (!file.mimetype.startsWith("image/")) {
+        return req.send("Unknown image type: " + file.mimetype);
+    }
+
+    const now = utils.nowDate();
+
+    await sql.insert("images", {
+        image_id: imageId,
+        format: file.mimetype.substr(6),
+        name: file.originalname,
+        checksum: utils.hash(file.buffer),
+        data: file.buffer,
+        is_deleted: 0,
+        date_modified: now,
+        date_created: now
+    });
+
+    res.send({
+        uploaded: true,
+        url: `/api/image/${imageId}/${file.originalname}`
+    });
+});
+
+module.exports = router;

routes/routes.js

@@ -24,6 +24,7 @@ const setupApiRoute = require('./api/setup');
 const sqlRoute = require('./api/sql');
 const anonymizationRoute = require('./api/anonymization');
 const cleanupRoute = require('./api/cleanup');
+const imageRoute = require('./api/image');
 
 function register(app) {
     app.use('/', indexRoute);
@@ -51,6 +52,7 @@ function register(app) {
     app.use('/api/sql', sqlRoute);
     app.use('/api/anonymization', anonymizationRoute);
     app.use('/api/cleanup', cleanupRoute);
+    app.use('/api/image', imageRoute);
 }
 
 module.exports = {

services/app_info.js

@@ -3,7 +3,7 @@
 const build = require('./build');
 const packageJson = require('../package');
 
-const APP_DB_VERSION = 62;
+const APP_DB_VERSION = 63;
 
 module.exports = {
     app_version: packageJson.version,