get recovery code api

src/Api/Controllers/TwoFactorController.cs

@@ -253,9 +253,17 @@ namespace Bit.Api.Controllers
             return response;
         }
 
+        [HttpPost("get-recover")]
+        public async Task<TwoFactorRecoverResponseModel> GetRecover([FromBody]TwoFactorRequestModel model)
+        {
+            var user = await CheckPasswordAsync(model.MasterPasswordHash);
+            var response = new TwoFactorRecoverResponseModel(user);
+            return response;
+        }
+
         [HttpPost("recover")]
         [AllowAnonymous]
-        public async Task PostTwoFactorRecover([FromBody]TwoFactorRecoveryRequestModel model)
+        public async Task PostRecover([FromBody]TwoFactorRecoveryRequestModel model)
         {
             if(!await _userService.RecoverTwoFactorAsync(model.Email, model.MasterPasswordHash, model.RecoveryCode))
             {

src/Core/Models/Api/Response/TwoFactor/TwoFactorRecoverResponseModel.cs

@@ -0,0 +1,21 @@
+using System;
+using Bit.Core.Models.Table;
+
+namespace Bit.Core.Models.Api
+{
+    public class TwoFactorRecoverResponseModel : ResponseModel
+    {
+        public TwoFactorRecoverResponseModel(User user)
+            : base("twoFactorRecover")
+        {
+            if(user == null)
+            {
+                throw new ArgumentNullException(nameof(user));
+            }
+
+            Code = user.TwoFactorRecoveryCode;
+        }
+
+        public string Code { get; set; }
+    }
+}

util/SqlUpdate/2017-06-19_00_UserTwoFactorEnabled.sql

@@ -1,6 +1,9 @@
 alter table [user] drop column twofactorenabled
 go
 
+alter table [user] drop column [twofactorprovider]
+go
+
 drop view [dbo].[UserView]
 go