'use strict'

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const BB = require('bluebird')

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const npmConfig = require('./config/figgy-config.js')

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const fetch = require('libnpm/fetch')

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const figgyPudding = require('figgy-pudding')

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const npm = require('./npm.js')

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const output = require('./utils/output.js')

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const WhoamiConfig = figgyPudding({

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json: {},

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registry: {}

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})

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module.exports = whoami

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whoami.usage = 'npm whoami [--registry <registry>]\n(just prints username according to given registry)'

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function whoami ([spec], silent, cb) {

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// FIXME: need tighter checking on this, but is a breaking change

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if (typeof cb !== 'function') {

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cb = silent

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silent = false

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}

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const opts = WhoamiConfig(npmConfig())

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return BB.try(() => {

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// First, check if we have a user/pass-based auth

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const registry = opts.registry

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if (!registry) throw new Error('no default registry set')

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return npm.config.getCredentialsByURI(registry)

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}).then(({username, token}) => {

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if (username) {

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return username

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} else if (token) {

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return fetch.json('/-/whoami', opts.concat({

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spec

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})).then(({username}) => {

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if (username) {

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return username

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} else {

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throw Object.assign(new Error(

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'Your auth token is no longer valid. Please log in again.'

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), {code: 'ENEEDAUTH'})

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}

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})

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} else {

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// At this point, if they have a credentials object, it doesn't have a

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// token or auth in it. Probably just the default registry.

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throw Object.assign(new Error(

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'This command requires you to be logged in.'

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), {code: 'ENEEDAUTH'})

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}

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}).then(username => {

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if (silent) {

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} else if (opts.json) {

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output(JSON.stringify(username))

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} else {

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output(username)

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}

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return username

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}).nodeify(cb)

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}

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