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utils.js
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163 lines (144 loc) · 4.49 KB
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const fs = require('fs-extra')
const rimraf = require('rimraf')
const path = require('path')
const OIDCProvider = require('@solid/oidc-op')
const dns = require('dns')
const ldnode = require('../index')
const supertest = require('supertest')
const fetch = require('node-fetch')
const https = require('https')
const TEST_HOSTS = ['nic.localhost', 'tim.localhost', 'nicola.localhost']
exports.rm = function (file) {
return rimraf.sync(path.join(__dirname, '/resources/' + file))
}
exports.cleanDir = function (dirPath) {
fs.removeSync(path.join(dirPath, '.well-known/.acl'))
fs.removeSync(path.join(dirPath, '.acl'))
fs.removeSync(path.join(dirPath, 'favicon.ico'))
fs.removeSync(path.join(dirPath, 'favicon.ico.acl'))
fs.removeSync(path.join(dirPath, 'index.html'))
fs.removeSync(path.join(dirPath, 'index.html.acl'))
fs.removeSync(path.join(dirPath, 'robots.txt'))
fs.removeSync(path.join(dirPath, 'robots.txt.acl'))
}
exports.write = function (text, file) {
return fs.writeFileSync(path.join(__dirname, '/resources/' + file), text)
}
exports.cp = function (src, dest) {
return fs.copySync(
path.join(__dirname, '/resources/' + src),
path.join(__dirname, '/resources/' + dest))
}
exports.read = function (file) {
return fs.readFileSync(path.join(__dirname, '/resources/' + file), {
encoding: 'utf8'
})
}
// Backs up the given file
exports.backup = function (src) {
exports.cp(src, src + '.bak')
}
// Restores a backup of the given file
exports.restore = function (src) {
exports.cp(src + '.bak', src)
exports.rm(src + '.bak')
}
// Verifies that all HOSTS entries are present
exports.checkDnsSettings = function () {
return Promise.all(TEST_HOSTS.map(hostname => {
return new Promise((resolve, reject) => {
dns.lookup(hostname, (error, ip) => {
if (error || (ip !== '127.0.0.1' && ip !== '::1')) {
reject(error)
} else {
resolve(true)
}
})
})
}))
.catch(() => {
throw new Error(`Expected HOSTS entries of 127.0.0.1 for ${TEST_HOSTS.join()}`)
})
}
/**
* @param configPath {string}
*
* @returns {Promise<Provider>}
*/
exports.loadProvider = function loadProvider (configPath) {
return Promise.resolve()
.then(() => {
const config = require(configPath)
const provider = new OIDCProvider(config)
return provider.initializeKeyChain(config.keys)
})
}
exports.createServer = createServer
function createServer (options) {
return ldnode.createServer(options)
}
exports.setupSupertestServer = setupSuperServer
function setupSuperServer (options) {
const ldpServer = createServer(options)
return supertest(ldpServer)
}
// Lightweight adapter to replace `request` with `node-fetch` in tests
// Supports signatures:
// - request(options, cb)
// - request(url, options, cb)
// And methods: get, post, put, patch, head, delete, del
function buildAgentFn (options = {}) {
const aOpts = options.agentOptions || {}
if (!aOpts || (!aOpts.cert && !aOpts.key)) {
return undefined
}
const httpsAgent = new https.Agent({
cert: aOpts.cert,
key: aOpts.key,
// Tests often run with NODE_TLS_REJECT_UNAUTHORIZED=0; mirror that here
rejectUnauthorized: false
})
return (parsedURL) => parsedURL.protocol === 'https:' ? httpsAgent : undefined
}
async function doFetch (method, url, options = {}, cb) {
try {
const headers = options.headers || {}
const body = options.body
const agent = buildAgentFn(options)
const res = await fetch(url, { method, headers, body, agent })
// Build a response object similar to `request`'s
const headersObj = {}
res.headers.forEach((value, key) => { headersObj[key] = value })
const response = {
statusCode: res.status,
statusMessage: res.statusText,
headers: headersObj
}
const hasBody = method !== 'HEAD'
const text = hasBody ? await res.text() : ''
cb(null, response, text)
} catch (err) {
cb(err)
}
}
function requestAdapter (arg1, arg2, arg3) {
let url, options, cb
if (typeof arg1 === 'string') {
url = arg1
options = arg2 || {}
cb = arg3
} else {
options = arg1 || {}
url = options.url
cb = arg2
}
const method = (options && options.method) || 'GET'
return doFetch(method, url, options, cb)
}
;['GET', 'POST', 'PUT', 'PATCH', 'HEAD', 'DELETE'].forEach(m => {
const name = m.toLowerCase()
requestAdapter[name] = (options, cb) => doFetch(m, options.url, options, cb)
})
// Alias
requestAdapter.del = requestAdapter.delete
exports.httpRequest = requestAdapter