HackMD/test/csp.js

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/* eslint-env node, mocha */
'use strict'
const assert = require('assert')
const crypto = require('crypto')
const fs = require('fs')
const path = require('path')
const mock = require('mock-require')
describe('Content security policies', function () {
let defaultConfig, csp
before(function () {
csp = require('../lib/csp')
})
beforeEach(function () {
// Reset config to make sure we don't influence other tests
defaultConfig = {
csp: {
enable: true,
directives: {
},
addDefaults: true,
addDisqus: true,
addGoogleAnalytics: true,
upgradeInsecureRequests: 'auto',
reportURI: undefined
},
useCDN: true
}
})
afterEach(function () {
mock.stop('../lib/config')
csp = mock.reRequire('../lib/csp')
})
after(function () {
mock.stopAll()
csp = mock.reRequire('../lib/csp')
})
// beginnging Tests
it('Disable CDN', function () {
let testconfig = defaultConfig
testconfig.useCDN = false
mock('../lib/config', testconfig)
csp = mock.reRequire('../lib/csp')
assert(!csp.computeDirectives().scriptSrc.includes('https://cdnjs.cloudflare.com'))
assert(!csp.computeDirectives().scriptSrc.includes('https://cdn.mathjax.org'))
assert(!csp.computeDirectives().styleSrc.includes('https://cdnjs.cloudflare.com'))
assert(!csp.computeDirectives().styleSrc.includes('https://fonts.googleapis.com'))
assert(!csp.computeDirectives().fontSrc.includes('https://cdnjs.cloudflare.com'))
assert(!csp.computeDirectives().fontSrc.includes('https://fonts.gstatic.com'))
})
it('Disable Google Analytics', function () {
let testconfig = defaultConfig
testconfig.csp.addGoogleAnalytics = false
mock('../lib/config', testconfig)
csp = mock.reRequire('../lib/csp')
assert(!csp.computeDirectives().scriptSrc.includes('https://www.google-analytics.com'))
})
it('Disable Disqus', function () {
let testconfig = defaultConfig
testconfig.csp.addDisqus = false
mock('../lib/config', testconfig)
csp = mock.reRequire('../lib/csp')
assert(!csp.computeDirectives().scriptSrc.includes('https://disqus.com'))
assert(!csp.computeDirectives().scriptSrc.includes('https://*.disqus.com'))
assert(!csp.computeDirectives().scriptSrc.includes('https://*.disquscdn.com'))
assert(!csp.computeDirectives().styleSrc.includes('https://*.disquscdn.com'))
assert(!csp.computeDirectives().fontSrc.includes('https://*.disquscdn.com'))
})
it('Set ReportURI', function () {
let testconfig = defaultConfig
testconfig.csp.reportURI = 'https://example.com/reportURI'
mock('../lib/config', testconfig)
csp = mock.reRequire('../lib/csp')
assert.strictEqual(csp.computeDirectives().reportUri, 'https://example.com/reportURI')
})
it('Set own directives', function () {
let testconfig = defaultConfig
mock('../lib/config', defaultConfig)
csp = mock.reRequire('../lib/csp')
const unextendedCSP = csp.computeDirectives()
testconfig.csp.directives = {
defaultSrc: ['https://default.example.com'],
scriptSrc: ['https://script.example.com'],
imgSrc: ['https://img.example.com'],
styleSrc: ['https://style.example.com'],
fontSrc: ['https://font.example.com'],
objectSrc: ['https://object.example.com'],
mediaSrc: ['https://media.example.com'],
childSrc: ['https://child.example.com'],
connectSrc: ['https://connect.example.com']
}
mock('../lib/config', testconfig)
csp = mock.reRequire('../lib/csp')
const variations = ['default', 'script', 'img', 'style', 'font', 'object', 'media', 'child', 'connect']
for (let i = 0; i < variations.length; i++) {
assert.strictEqual(csp.computeDirectives()[variations[i] + 'Src'].toString(), ['https://' + variations[i] + '.example.com'].concat(unextendedCSP[variations[i] + 'Src']).toString())
}
})
/*
* This test reminds us to update the CSP hash for the speaker notes
*/
it('Unchanged hash for reveal.js speaker notes plugin', function () {
const hash = crypto.createHash('sha1')
hash.update(fs.readFileSync(path.resolve(__dirname, '../node_modules/reveal.js/plugin/notes/notes.html'), 'utf8'), 'utf8')
assert.strictEqual(hash.digest('hex'), '471f3826880fac884a4a14faabc492bc854ae994')
})
})