Add support for requiring 2fa on a per-package basis

lib/access.js

@@ -16,6 +16,12 @@ subcommands.public = function (uri, params, cb) {
 subcommands.restricted = function (uri, params, cb) {
   return setAccess.call(this, 'restricted', uri, params, cb)
 }
+subcommands['2fa-required'] = function (uri, params, cb) {
+  return setRequires2fa.call(this, true, uri, params, cb)
+}
+subcommands['2fa-not-required'] = function (uri, params, cb) {
+  return setRequires2fa.call(this, false, uri, params, cb)
+}
 
 function setAccess (access, uri, params, cb) {
   return this.request(apiUri(uri, 'package', params.package, 'access'), {
@@ -25,6 +31,14 @@ function setAccess (access, uri, params, cb) {
   }, cb)
 }
 
+function setRequires2fa (requires2fa, uri, params, cb) {
+  return this.request(apiUri(uri, 'package', params.package, 'access'), {
+    method: 'POST',
+    auth: params.auth,
+    body: JSON.stringify({ publish_requires_tfa: requires2fa })
+  }, cb)
+}
+
 subcommands.grant = function (uri, params, cb) {
   var reqUri = apiUri(uri, 'team', params.scope, params.team, 'package')
   return this.request(reqUri, {

lib/request.js

@@ -289,13 +289,26 @@ function requestDone (method, where, cb) {
       }
 
       if (!parsed.error) {
-        er = makeError(
-          'Registry returned ' + response.statusCode +
-          ' for ' + method +
-          ' on ' + where,
-          name,
-          response.statusCode
-        )
+        if (response.statusCode === 401 && response.headers['www-authenticate']) {
+          const auth = response.headers['www-authenticate'].split(/,\s*/).map(s => s.toLowerCase())
+          if (auth.indexOf('ipaddress') !== -1) {
+            er = makeError('Login is not allowed from your IP address', name, response.statusCode, 'EAUTHIP')
+          } else if (auth.indexOf('otp') !== -1) {
+            er = makeError('OTP required for this operation', name, response.statusCode, 'EOTP')
+          } else {
+            er = makeError('Unable to authenticate, need: ' + response.headers['www-authenticate'], name, response.statusCode, 'EAUTHUNKNOWN')
+          }
+        } else {
+          const msg = parsed.message ? ': ' + parsed.message : ''
+          er = makeError(
+            'Registry returned ' + response.statusCode +
+            ' for ' + method +
+            ' on ' + where +
+            msg,
+            name,
+            response.statusCode
+          )
+        }
       } else if (name && parsed.error === 'not_found') {
         er = makeError('404 Not Found: ' + name, name, response.statusCode)
       } else if (name && parsed.error === 'User not found') {
@@ -312,12 +325,12 @@ function requestDone (method, where, cb) {
   }.bind(this)
 }
 
-function makeError (message, name, code) {
+function makeError (message, name, statusCode, code) {
   var er = new Error(message)
   if (name) er.pkgid = name
-  if (code) {
-    er.statusCode = code
-    er.code = 'E' + code
+  if (statusCode) {
+    er.statusCode = statusCode
+    er.code = code || 'E' + statusCode
   }
   return er
 }

test/access.js

@@ -23,7 +23,7 @@ var UNSCOPED = {
 }
 
 var commands = [
-  'public', 'restricted', 'grant', 'revoke', 'ls-packages', 'ls-collaborators'
+  'public', 'restricted', 'grant', 'revoke', 'ls-packages', 'ls-collaborators', '2fa-required', '2fa-not-required'
 ]
 
 test('access public', function (t) {
@@ -44,6 +44,40 @@ test('access public', function (t) {
   })
 })
 
+test('access 2fa-required', function (t) {
+  server.expect('POST', '/-/package/%40foo%2Fbar/access', function (req, res) {
+    t.equal(req.method, 'POST', 'requested with POST')
+    onJsonReq(req, function (json) {
+      t.deepEqual(json, { publish_requires_tfa: true }, 'request payload ok')
+      res.statusCode = 200
+      res.json('ok')
+    })
+  })
+  var params = Object.create(PARAMS)
+  params.package = '@foo/bar'
+  client.access('2fa-required', URI, params, function (error, data) {
+    t.ifError(error, 'no errors')
+    t.end()
+  })
+})
+
+test('access 2fa-not-required', function (t) {
+  server.expect('POST', '/-/package/%40foo%2Fbar/access', function (req, res) {
+    t.equal(req.method, 'POST', 'requested with POST')
+    onJsonReq(req, function (json) {
+      t.deepEqual(json, { publish_requires_tfa: false }, 'request payload ok')
+      res.statusCode = 200
+      res.json('ok')
+    })
+  })
+  var params = Object.create(PARAMS)
+  params.package = '@foo/bar'
+  client.access('2fa-not-required', URI, params, function (error, data) {
+    t.ifError(error, 'no errors')
+    t.end()
+  })
+})
+
 test('access restricted', function (t) {
   server.expect('POST', '/-/package/%40foo%2Fbar/access', function (req, res) {
     t.equal(req.method, 'POST')