Add CORS and move registration policies to middleware

features/people/REGISTER_people.js

@@ -0,0 +1,88 @@
+const express = require('express');
+const router = express.Router();
+var driver = require('../../graph_db');
+const pool = require('../../db');
+var crypto = require('crypto');
+const { promisify } = require('util');
+const { sanitizePersonInput } = require('../../middleware/sanitize_person_input');
+
+const scrypt = promisify(crypto.scrypt);
+
+async function insert_db( name, username, email, password ) {
+    const salt = crypto.randomBytes(16).toString('hex');
+    const derivedKey = await scrypt(password, salt, 64);
+    const hashed_password = `${salt}:${derivedKey.toString('hex')}`;
+
+    try {
+        const { rows } = await pool.query(
+            'INSERT INTO people (name, username, email, password) VALUES ($1, $2, $3, $4) RETURNING id',
+            [name, username, email, hashed_password]
+        );
+
+        return rows[0].id;
+    }
+    catch (err) {
+        console.error('database query failed', {
+            message: err.message,
+            code: err.code,
+            detail: err.detail,
+            hint: err.hint,
+            stack: err.stack,
+        });
+        throw err;
+    }
+};
+
+async function insert_graph_db( name, username, db_id ) {
+    try {
+        await driver.executeQuery(
+            'CREATE (p:Person {db_id: $db_id, name: $name, username: $username})',
+            { db_id, name, username },
+            { database: process.env.GRAPH_DB_NAME }
+        );
+    }
+    catch (err) {
+        console.error('database query failed', {
+            message: err.message,
+            code: err.code,
+            detail: err.detail,
+            hint: err.hint,
+            stack: err.stack,
+        });
+        throw err;
+    }
+};
+
+
+
+
+
+async function create_people(req, res) {
+    const person = req.person;
+    let db_id;
+
+    try {
+        db_id = await insert_db(
+            person.name,
+            person.username,
+            person.email,
+            person.password
+        );
+    }
+    catch (err) {
+        res.status(500).send('Data was not pushed to database, request failed');
+        return;
+    }
+
+    try {
+        await insert_graph_db(person.name, person.username, db_id);
+        res.status(201).json({ id: db_id });
+    }
+    catch (err) {
+        res.status(500).send('Data was not pushed to graph database, request failed');
+    }
+};
+
+
+router.post('/', sanitizePersonInput, create_people);
+module.exports = router;