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'use strict'
const fetch = require('make-fetch-happen').defaults({retry: false})
const validate = require('aproba')
const url = require('url')
exports.adduser = adduser
exports.login = login
exports.get = get
exports.set = set
exports.listTokens = listTokens
exports.removeToken = removeToken
exports.createToken = createToken
function adduser (username, email, password, conf) {
validate('SSSO', arguments)
if (!conf.opts) conf.opts = {}
const userobj = {
_id: 'org.couchdb.user:' + username,
name: username,
password: password,
email: email,
type: 'user',
roles: [],
date: new Date().toISOString()
}
const logObj = {}
Object.keys(userobj).forEach(k => {
logObj[k] = k === 'password' ? 'XXXXX' : userobj[k]
})
process.emit('log', 'verbose', 'adduser', 'before first PUT', logObj)
const target = url.resolve(conf.registry, '-/user/org.couchdb.user:' + encodeURIComponent(username))
return fetchJSON({target: target, method: 'PUT', body: userobj, opts: conf.opts})
}
function login (username, password, conf) {
validate('SSO', arguments)
const userobj = {
_id: 'org.couchdb.user:' + username,
name: username,
password: password,
type: 'user',
roles: [],
date: new Date().toISOString()
}
const logObj = {}
Object.keys(userobj).forEach(k => {
logObj[k] = k === 'password' ? 'XXXXX' : userobj[k]
})
process.emit('log', 'verbose', 'login', 'before first PUT', logObj)
const target = url.resolve(conf.registry, '-/user/org.couchdb.user:' + encodeURIComponent(username))
return fetchJSON(Object.assign({method: 'PUT', target: target, body: userobj}, conf)).catch(err => {
if (err.code === 'E400') err.message = `There is no user with the username "${username}".`
if (err.code !== 'E409') throw err
return fetchJSON(Object.assign({method: 'GET', target: target + '?write=true'}, conf)).then(result => {
Object.keys(result).forEach(function (k) {
if (!userobj[k] || k === 'roles') {
userobj[k] = result[k]
}
})
const req = {
method: 'PUT',
target: target + '/-rev/' + userobj._rev,
body: userobj,
auth: {
basic: {
username: username,
password: password
}
}
}
return fetchJSON(Object.assign({}, conf, req))
})
})
}
function get (conf) {
validate('O', arguments)
const target = url.resolve(conf.registry, '-/npm/v1/user')
return fetchJSON(Object.assign({target: target}, conf))
}
function set (profile, conf) {
validate('OO', arguments)
const target = url.resolve(conf.registry, '-/npm/v1/user')
Object.keys(profile).forEach(key => {
// profile keys can't be empty strings, but they CAN be null
if (profile[key] === '') profile[key] = null
})
return fetchJSON(Object.assign({target: target, method: 'POST', body: profile}, conf))
}
function listTokens (conf) {
validate('O', arguments)
return untilLastPage(`-/npm/v1/tokens`)
function untilLastPage (href, objects) {
return fetchJSON(Object.assign({target: url.resolve(conf.registry, href)}, conf)).then(result => {
objects = objects ? objects.concat(result.objects) : result.objects
if (result.urls.next) {
return untilLastPage(result.urls.next, objects)
} else {
return objects
}
})
}
}
function removeToken (tokenKey, conf) {
validate('SO', arguments)
const target = url.resolve(conf.registry, `-/npm/v1/tokens/token/${tokenKey}`)
return fetchJSON(Object.assign({target: target, method: 'DELETE'}, conf))
}
function createToken (password, readonly, cidrs, conf) {
validate('SBAO', arguments)
const target = url.resolve(conf.registry, '-/npm/v1/tokens')
const props = {
password: password,
readonly: readonly,
cidr_whitelist: cidrs
}
return fetchJSON(Object.assign({target: target, method: 'POST', body: props}, conf))
}
function AuthOTP (res) {
Error.call(this)
this.message = 'OTP required for authentication'
Error.captureStackTrace(this, AuthOTP)
this.headers = res.headers.raw()
this.code = 'EOTP'
}
AuthOTP.prototype = Error.prototype
function AuthIPAddress (res) {
Error.call(this)
this.message = 'Login is not allowed from your IP address'
Error.captureStackTrace(this, AuthIPAddress)
this.headers = res.headers.raw()
this.code = 'EAUTHIP'
}
AuthIPAddress.prototype = Error.prototype
function AuthUnknown (res) {
Error.call(this)
this.message = 'Unable to authenticate, need: ' + res.headers.get('www-authenticate')
Error.captureStackTrace(this, AuthUnknown)
this.headers = res.headers.raw()
this.code = 'E401'
}
AuthUnknown.prototype = Error.prototype
function authHeaders (auth) {
const headers = {}
if (!auth) return headers
if (auth.otp) headers['npm-otp'] = auth.otp
if (auth.token) {
headers['Authorization'] = 'Bearer ' + auth.token
} else if (auth.basic) {
const basic = auth.basic.username + ':' + auth.basic.password
headers['Authorization'] = 'Basic ' + Buffer.from(basic).toString('base64')
}
return headers
}
function fetchJSON (conf) {
const fetchOpts = {
method: conf.method,
headers: Object.assign({}, conf.headers || (conf.auth && authHeaders(conf.auth)) || {})
}
if (conf.body != null) {
fetchOpts.headers['Content-Type'] = 'application/json'
fetchOpts.body = JSON.stringify(conf.body)
}
return fetch.defaults(conf.opts || {})(conf.target, fetchOpts).then(res => {
if (res.headers.get('content-type') === 'application/json') {
return res.json().then(content => [res, content])
} else {
return res.buffer().then(content => {
try {
return [res, JSON.parse(content)]
} catch (_) {
return [res, content]
}
})
}
}).then(result => {
const res = result[0]
const content = result[1]
if (res.status === 401 && res.headers.get('www-authenticate')) {
const auth = res.headers.get('www-authenticate').split(/,\s*/).map(s => s.toLowerCase())
if (auth.indexOf('ipaddress') !== -1) {
throw new AuthIPAddress(res)
} else if (auth.indexOf('otp') !== -1) {
throw new AuthOTP(res)
} else {
throw new AuthUnknown(res)
}
} else if (res.status < 200 || res.status >= 300) {
const err = new Error(res.statusText)
err.code = 'E' + res.status
err.headers = res.headers.raw()
throw err
}
return content
})
}
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