--- /dev/null
+module.exports = logout
+
+var assert = require('assert')
+var url = require('url')
+
+function logout (uri, params, cb) {
+ assert(typeof uri === 'string', 'must pass registry URI to logout')
+ assert(params && typeof params === 'object', 'must pass params to logout')
+ assert(typeof cb === 'function', 'must pass callback to star')
+
+ var auth = params.auth
+ assert(auth && typeof auth === 'object', 'must pass auth to logout')
+ assert(typeof auth.token === 'string', 'can only log out for token auth')
+
+ uri = url.resolve(uri, '-/user/token/' + auth.token)
+ var options = {
+ method: 'DELETE',
+ auth: auth
+ }
+
+ this.log.verbose('logout', 'invalidating session token for user')
+ this.request(uri, options, cb)
+}