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var url = require('url')
var log = require('npmlog')
var npa = require('npm-package-arg')
module.exports = mapToRegistry
function mapToRegistry (name, config, cb) {
log.silly('mapToRegistry', 'name', name)
var registry
// the name itself takes precedence
var data = npa(name)
if (data.scope) {
// the name is definitely scoped, so escape now
name = name.replace('/', '%2f')
log.silly('mapToRegistry', 'scope (from package name)', data.scope)
registry = config.get(data.scope + ':registry')
if (!registry) {
log.verbose('mapToRegistry', 'no registry URL found in name for scope', data.scope)
}
}
// ...then --scope=@scope or --scope=scope
var scope = config.get('scope')
if (!registry && scope) {
// I'm an enabler, sorry
if (scope.charAt(0) !== '@') scope = '@' + scope
log.silly('mapToRegistry', 'scope (from config)', scope)
registry = config.get(scope + ':registry')
if (!registry) {
log.verbose('mapToRegistry', 'no registry URL found in config for scope', scope)
}
}
// ...and finally use the default registry
if (!registry) {
log.silly('mapToRegistry', 'using default registry')
registry = config.get('registry')
}
log.silly('mapToRegistry', 'registry', registry)
var auth = config.getCredentialsByURI(registry)
// normalize registry URL so resolution doesn't drop a piece of registry URL
var normalized = registry.slice(-1) !== '/' ? registry + '/' : registry
var uri
log.silly('mapToRegistry', 'data', data)
if (data.type === 'remote') {
uri = data.fetchSpec
} else {
uri = url.resolve(normalized, name)
}
log.silly('mapToRegistry', 'uri', uri)
cb(null, uri, scopeAuth(uri, registry, auth), normalized)
}
function scopeAuth (uri, registry, auth) {
var cleaned = {
scope: auth.scope,
email: auth.email,
alwaysAuth: auth.alwaysAuth,
token: undefined,
username: undefined,
password: undefined,
auth: undefined
}
var requestHost
var registryHost
if (auth.token || auth.auth || (auth.username && auth.password)) {
requestHost = url.parse(uri).hostname
registryHost = url.parse(registry).hostname
if (requestHost === registryHost) {
cleaned.token = auth.token
cleaned.auth = auth.auth
cleaned.username = auth.username
cleaned.password = auth.password
} else if (auth.alwaysAuth) {
log.verbose('scopeAuth', 'alwaysAuth set for', registry)
cleaned.token = auth.token
cleaned.auth = auth.auth
cleaned.username = auth.username
cleaned.password = auth.password
} else {
log.silly('scopeAuth', uri, "doesn't share host with registry", registry)
}
}
return cleaned
}
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