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|
'use strict'
const Buffer = require('safe-buffer').Buffer
const checkResponse = require('./check-response.js')
const config = require('./config.js')
const getAuth = require('./auth.js')
const fetch = require('make-fetch-happen')
const JSONStream = require('JSONStream')
const npa = require('npm-package-arg')
const {PassThrough} = require('stream')
const qs = require('querystring')
const url = require('url')
const zlib = require('zlib')
module.exports = regFetch
function regFetch (uri, opts) {
opts = config(opts)
const registry = (
(opts.spec && pickRegistry(opts.spec, opts)) ||
opts.registry ||
'https://registry.npmjs.org/'
)
uri = url.parse(uri).protocol
? uri
: `${
registry.trim().replace(/\/?$/g, '')
}/${
uri.trim().replace(/^\//, '')
}`
// through that takes into account the scope, the prefix of `uri`, etc
const startTime = Date.now()
const headers = getHeaders(registry, uri, opts)
let body = opts.body
const bodyIsStream = body &&
typeof body === 'object' &&
typeof body.pipe === 'function'
if (body && !bodyIsStream && typeof body !== 'string' && !Buffer.isBuffer(body)) {
headers['content-type'] = headers['content-type'] || 'application/json'
body = JSON.stringify(body)
} else if (body && !headers['content-type']) {
headers['content-type'] = 'application/octet-stream'
}
if (opts.gzip) {
headers['content-encoding'] = 'gzip'
if (bodyIsStream) {
const gz = zlib.createGzip()
body.on('error', err => gz.emit('error', err))
body = body.pipe(gz)
} else {
body = new opts.Promise((resolve, reject) => {
zlib.gzip(body, (err, gz) => err ? reject(err) : resolve(gz))
})
}
}
if (opts.query) {
let q = opts.query
if (typeof q === 'string') {
q = qs.parse(q)
}
Object.keys(q).forEach(key => {
if (q[key] === undefined) {
delete q[key]
}
})
if (Object.keys(q).length) {
const parsed = url.parse(uri)
parsed.search = '?' + qs.stringify(
parsed.query
? Object.assign(qs.parse(parsed.query), q)
: q
)
uri = url.format(parsed)
}
}
return opts.Promise.resolve(body).then(body => fetch(uri, {
agent: opts.agent,
algorithms: opts.algorithms,
body,
cache: getCacheMode(opts),
cacheManager: opts.cache,
ca: opts.ca,
cert: opts.cert,
headers,
integrity: opts.integrity,
key: opts.key,
localAddress: opts['local-address'],
maxSockets: opts.maxsockets,
memoize: opts.memoize,
method: opts.method || 'GET',
noProxy: opts['no-proxy'] || opts.noproxy,
Promise: opts.Promise,
proxy: opts['https-proxy'] || opts.proxy,
referer: opts.refer,
retry: opts.retry != null ? opts.retry : {
retries: opts['fetch-retries'],
factor: opts['fetch-retry-factor'],
minTimeout: opts['fetch-retry-mintimeout'],
maxTimeout: opts['fetch-retry-maxtimeout']
},
strictSSL: !!opts['strict-ssl'],
timeout: opts.timeout,
uid: opts.uid,
gid: opts.gid
}).then(res => checkResponse(
opts.method || 'GET', res, registry, startTime, opts
)))
}
module.exports.json = fetchJSON
function fetchJSON (uri, opts) {
return regFetch(uri, opts).then(res => res.json())
}
module.exports.json.stream = fetchJSONStream
function fetchJSONStream (uri, jsonPath, opts) {
opts = config(opts)
const parser = JSONStream.parse(jsonPath, opts.mapJson)
const pt = parser.pipe(new PassThrough({objectMode: true}))
parser.on('error', err => pt.emit('error', err))
regFetch(uri, opts).then(res => {
res.body.on('error', err => parser.emit('error', err))
res.body.pipe(parser)
}, err => pt.emit('error', err))
return pt
}
module.exports.pickRegistry = pickRegistry
function pickRegistry (spec, opts) {
spec = npa(spec)
opts = config(opts)
let registry = spec.scope &&
opts[spec.scope.replace(/^@?/, '@') + ':registry']
if (!registry && opts.scope) {
registry = opts[opts.scope.replace(/^@?/, '@') + ':registry']
}
if (!registry) {
registry = opts.registry || 'https://registry.npmjs.org/'
}
return registry
}
function getCacheMode (opts) {
return opts.offline
? 'only-if-cached'
: opts['prefer-offline']
? 'force-cache'
: opts['prefer-online']
? 'no-cache'
: 'default'
}
function getHeaders (registry, uri, opts) {
const headers = Object.assign({
'npm-in-ci': !!(
opts['is-from-ci'] ||
process.env['CI'] === 'true' ||
process.env['TDDIUM'] ||
process.env['JENKINS_URL'] ||
process.env['bamboo.buildKey'] ||
process.env['GO_PIPELINE_NAME']
),
'npm-scope': opts['project-scope'],
'npm-session': opts['npm-session'],
'user-agent': opts['user-agent'],
'referer': opts.refer
}, opts.headers)
const auth = getAuth(registry, opts)
// If a tarball is hosted on a different place than the manifest, only send
// credentials on `alwaysAuth`
const shouldAuth = (
auth.alwaysAuth ||
url.parse(uri).host === url.parse(registry).host
)
if (shouldAuth && auth.token) {
headers.authorization = `Bearer ${auth.token}`
} else if (shouldAuth && auth.username && auth.password) {
const encoded = Buffer.from(
`${auth.username}:${auth.password}`, 'utf8'
).toString('base64')
headers.authorization = `Basic ${encoded}`
} else if (shouldAuth && auth._auth) {
headers.authorization = `Basic ${auth._auth}`
}
if (shouldAuth && auth.otp) {
headers['npm-otp'] = auth.otp
}
return headers
}
|
