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catch u2f exceptions

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This commit is contained in:
Kyle Spearrin 2018-10-10 15:21:54 -04:00
parent cbab6eb9d7
commit b5a4bad637
3 changed files with 97 additions and 78 deletions
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7
src/Api/Controllers/TwoFactorController.cs
View File

@ -218,7 +218,12 @@ namespace Bit.Api.Controllers
public async Task<TwoFactorU2fResponseModel> PutU2f([FromBody]TwoFactorU2fRequestModel model)
{
var user = await CheckAsync(model.MasterPasswordHash, true);
await _userService.CompleteU2fRegistrationAsync(user, model.Id.Value, model.Name, model.DeviceResponse);
var success = await _userService.CompleteU2fRegistrationAsync(
user, model.Id.Value, model.Name, model.DeviceResponse);
if(!success)
{
throw new BadRequestException("Unable to complete U2F key registration.");
}
var response = new TwoFactorU2fResponseModel(user);
return response;
}

8
src/Core/Identity/U2fTokenProvider.cs
View File

@ -10,7 +10,6 @@ using System.Linq;
using U2fLib = U2F.Core.Crypto.U2F;
using U2F.Core.Models;
using U2F.Core.Exceptions;
using U2F.Core.Utils;
using System;
using Bit.Core.Services;
using Microsoft.Extensions.DependencyInjection;
@ -67,6 +66,8 @@ namespace Bit.Core.Identity
await _u2fRepository.DeleteManyByUserIdAsync(user.Id);
try
{
var challengeBytes = U2fLib.Crypto.GenerateChallenge();
var challenges = new List<object>();
foreach(var key in keys)
@ -99,6 +100,11 @@ namespace Bit.Core.Identity
var token = JsonConvert.SerializeObject(challenges);
return token;
}
catch(U2fException)
{
return null;
}
}
public async Task<bool> ValidateAsync(string purpose, string token, UserManager<User> manager, User user)
{

8
src/Core/Services/Implementations/UserService.cs
View File

@ -19,6 +19,7 @@ using Bit.Core.Utilities;
using System.IO;
using Newtonsoft.Json;
using Microsoft.AspNetCore.DataProtection;
using U2F.Core.Exceptions;
namespace Bit.Core.Services
{
@ -322,6 +323,8 @@ namespace Bit.Core.Services
var registerResponse = BaseModel.FromJson<RegisterResponse>(deviceResponse);
try
{
var challenge = challenges.OrderBy(i => i.Id).Last(i => i.KeyHandle == null);
var startedReg = new StartedRegistration(challenge.Challenge, challenge.AppId);
var reg = U2fLib.FinishRegistration(startedReg, registerResponse);
@ -377,6 +380,11 @@ namespace Bit.Core.Services
await UpdateTwoFactorProviderAsync(user, TwoFactorProviderType.U2f);
return true;
}
catch(U2fException)
{
return false;
}
}
public async Task<bool> DeleteU2fKeyAsync(User user, int id)
{