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website/node_modules/npm/lib/utils/map-to-registry.js

@@ -0,0 +1,103 @@
+var url = require('url')
+
+var log = require('npmlog')
+var npa = require('npm-package-arg')
+var config
+
+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)
+    }
+    if (!config) config = require('../npm').config
+    if (config.get('otp')) cleaned.otp = config.get('otp')
+  }
+
+  return cleaned
+}