40 lines
1.3 KiB
JavaScript
40 lines
1.3 KiB
JavaScript
const npmFetch = require('npm-registry-fetch')
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const needsAuthError = (msg) =>
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Object.assign(new Error(msg), { code: 'ENEEDAUTH' })
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module.exports = async (npm, opts = {}) => {
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const { registry } = opts
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if (!registry) {
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throw Object.assign(new Error('No registry specified.'), { code: 'ENOREGISTRY' })
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}
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// First, check if we have a user/pass-based auth
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const creds = npm.config.getCredentialsByURI(registry)
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const { username: usernameFromURI, token } = creds
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if (usernameFromURI) {
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// Found username; return it
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return usernameFromURI
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} else if (token) {
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// No username, but we have a token; fetch the username from registry
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const registryData = await npmFetch.json('/-/whoami', {
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...opts,
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})
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const { username: usernameFromRegistry } = registryData
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// Retrieved username from registry; return it
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if (usernameFromRegistry) {
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return usernameFromRegistry
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} else {
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// Didn't get username from registry; bad token
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throw needsAuthError(
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'Your auth token is no longer valid. Please login again.'
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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 needsAuthError('This command requires you to be logged in.')
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}
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}
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