--- /dev/null
+module.exports = whoami
+
+var url = require('url')
+var assert = require('assert')
+
+function whoami (uri, params, cb) {
+ assert(typeof uri === 'string', 'must pass registry URI to whoami')
+ assert(params && typeof params === 'object', 'must pass params to whoami')
+ assert(typeof cb === 'function', 'must pass callback to whoami')
+
+ var auth = params.auth
+ assert(auth && typeof auth === 'object', 'must pass auth to whoami')
+
+ if (auth.username) return process.nextTick(cb.bind(this, null, auth.username))
+
+ this.request(url.resolve(uri, '-/whoami'), { auth: auth }, function (er, userdata) {
+ if (er) return cb(er)
+
+ cb(null, userdata.username)
+ })
+}