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Add security headers #126

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tshemsedinov wants to merge 3 commits into from
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Add security headers #126

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5b580d9
Add security headers
tshemsedinov May 18, 2020
60aff8e
Add CSP headers
tshemsedinov May 19, 2020
0d035b0
Connect websockets only to current page location
tshemsedinov May 19, 2020
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14 changes: 13 additions & 1 deletion lib/client.js
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Original file line number Diff line number Diff line change
Expand Up @@ -12,6 +12,18 @@ const MIME_TYPES = {
svg: 'image/svg+xml',
};

const HEADERS = {
'X-XSS-Protection': '1; mode=block',
'X-Content-Type-Options': 'nosniff',
'Strict-Transport-Security': 'max-age=31536000; includeSubdomains; preload',
'Access-Control-Allow-Origin': '*',
'Content-Security-Policy': [
'default-src \'self\'',
'style-src \'self\' https://fonts.googleapis.com',
'font-src \'self\' https://fonts.gstatic.com',
].join('; '),
};

class Client {
constructor(req, res, application, connection) {
this.req = req;
Expand All @@ -25,7 +37,7 @@ class Client {
const filePath = url === '/' ? '/index.html' : url;
const fileExt = path.extname(filePath).substring(1);
const mimeType = MIME_TYPES[fileExt] || MIME_TYPES.html;
res.writeHead(200, { 'Content-Type': mimeType });
res.writeHead(200, { ...HEADERS, 'Content-Type': mimeType });
const data = application.static.get(filePath);
if (data) res.end(data);
else this.error(404);
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2 changes: 1 addition & 1 deletion static/console.js
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Expand Up @@ -2,7 +2,7 @@

// API Builder

const socket = new WebSocket('ws://127.0.0.1:8000/');
const socket = new WebSocket('wss://' + location.host);

const buildAPI = (methods, socket = null) => {
const api = {};
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