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September 12, 2017 02:43
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a premature test server for basic authentication
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| const express = require('express') | |
| const app = express() | |
| const port = 3000 | |
| const host = '192.168.10.112' | |
| const realm = 'protected' | |
| const templ = fillTempl`<html> | |
| <head><title>${0}</title></head> | |
| <body><h1>${1}</h1></body> | |
| </html>` | |
| app.get('/', function (req, res) { | |
| console.log('hello world') | |
| res.send(templ('Hello World', 'Hello World!')) | |
| }) | |
| app.get('/protected', function (req, res) { | |
| let auth = req.headers.authorization | |
| // console.log(`Authorization Header: ${auth}`) | |
| if (!auth) { | |
| raiseAuth(res) | |
| return | |
| } | |
| let plainAuth = decodeAuthHeader(auth) | |
| res.send(templ('Authorised', `Authorised to: ${plainAuth}`)) | |
| }) | |
| app.listen(port, host, function () { | |
| console.log(`server listening on ${port}`) | |
| }) | |
| function raiseAuth(res) { | |
| res.setHeader('WWW-Authenticate', `Basic realm="${realm}"`) | |
| res.sendStatus(401) | |
| } | |
| function decodeAuthHeader(authHeader) { | |
| let tmp = authHeader.split(' ') | |
| let buf = new Buffer(tmp[1], 'base64') | |
| return buf.toString() | |
| } | |
| function fillTempl(strings, ...keys) { | |
| return (function (...values) { | |
| let dict = values[values.length-1] || {} | |
| let result = [strings[0]] | |
| keys.forEach(function (key, i) { | |
| let value = Number.isInteger(key) ? values[key] : dict[key] | |
| result.push(value, strings[i+1]) | |
| }) | |
| return result.join(' ') | |
| }) | |
| } |
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