feat(email): Throw error when attempting to resend email code for email that doesn't belong to account (#2129), r=philbooth

docs/api.md

@@ -253,6 +253,8 @@ for `code` and `errno` are:
   Can not change primary email to an email that does not belong to this account
 * `code: 400, errno: 149`:
   This email can not currently be used to login
+* `code: 400, errno: 150`:
+  Can not resend email code to an email that does not belong to this account
 * `code: 503, errno: 201`:
   Service unavailable
 * `code: 503, errno: 202`:
@@ -349,7 +351,7 @@ those common validations are defined here.
     * `pushCallback`: isA.string.uri({ scheme: 'https' }).regex(PUSH_SERVER_REGEX).max(255).allow('')
     * `pushPublicKey`: isA.string.max(88).regex(URL_SAFE_BASE_64).allow('')
     * `pushAuthKey`: isA.string.max(24).regex(URL_SAFE_BASE_64).allow('')
-    * `pushEndpointExpired`: isA.boolean
+    * `pushEndpointExpired`: isA.boolean.strict
 
   }
 
@@ -1395,6 +1397,15 @@ as a query parameter.
   
   <!--end-request-body-post-recovery_emailresend_code-metricsContext-->
 
+##### Error responses
+
+Failing requests may be caused
+by the following errors
+(this is not an exhaustive list):
+
+* `code: 400, errno: 150`:
+  Can not resend email code to an email that does not belong to this account
+
 
 #### POST /recovery_email/verify_code
 <!--begin-route-post-recovery_emailverify_code-->

lib/error.js

@@ -59,6 +59,7 @@ var ERRNO = {
   CHANGE_EMAIL_TO_UNVERIFIED_EMAIL: 147,
   CHANGE_EMAIL_TO_UNOWNED_EMAIL: 148,
   LOGIN_WITH_INVALID_EMAIL: 149,
+  RESEND_EMAIL_CODE_TO_UNOWNED_EMAIL: 150,
 
   SERVER_BUSY: 201,
   FEATURE_NOT_ENABLED: 202,
@@ -705,6 +706,15 @@ AppError.cannotLoginWithEmail = function () {
   })
 }
 
+AppError.cannotResendEmailCodeToUnownedEmail = function () {
+  return new AppError({
+    code: 400,
+    error: 'Bad Request',
+    errno: ERRNO.RESEND_EMAIL_CODE_TO_UNOWNED_EMAIL,
+    message: 'Can not resend email code to an email that does not belong to this account'
+  })
+}
+
 AppError.unexpectedError = () => {
   return new AppError({})
 }

lib/routes/emails.js

@@ -226,6 +226,11 @@ module.exports = (log, db, mailer, config, customs, push) => {
                   }
                 })
 
+                // This user is attempting to verify a secondary email that doesn't belong to the account.
+                if (emails.length === 0) {
+                  throw error.cannotResendEmailCodeToUnownedEmail()
+                }
+
                 // Don't resend code for already verified emails
                 if (emailVerified) {
                   return reply({})

test/remote/recovery_email_resend_code_tests.js

@@ -7,6 +7,7 @@
 const assert = require('insist')
 const Client = require('../client')()
 var TestServer = require('../test_server')
+const P = require('../../lib/promise')
 
 var config = require('../../config').getProperties()
 
@@ -147,6 +148,35 @@ describe('remote recovery email resend code', function() {
     }
   )
 
+  it('fail when resending verification email when not owned by account', () => {
+    const email = server.uniqueEmail()
+    const secondEmail = server.uniqueEmail()
+    const password = 'something'
+    let client = null
+    const options = {
+      keys: true
+    }
+    return P.all([
+      Client.createAndVerify(config.publicUrl, email, password, server.mailbox, options),
+      Client.create(config.publicUrl, secondEmail, password, server.mailbox, options)
+    ])
+      .then((res) => {
+        // Login with `email` and attempt to resend verification code for `secondEmail`
+        client = res[0]
+        client.options = {
+          email: secondEmail
+        }
+        return client.requestVerifyEmail()
+          .then(() => {
+            assert.fail('Should not have succeeded in sending verification code')
+          })
+      })
+      .catch((err) => {
+        assert.equal(err.code, 400)
+        assert.equal(err.errno, 150)
+      })
+  })
+
   after(() => {
     return TestServer.stop(server)
   })