btcpayserver/BTCPayServer/Controllers/StoresController.cs
2018-02-26 00:48:12 +09:00

536 lines
20 KiB
C#

using BTCPayServer.Authentication;
using BTCPayServer.Data;
using BTCPayServer.Models;
using BTCPayServer.Models.StoreViewModels;
using BTCPayServer.Services;
using BTCPayServer.Services.Stores;
using BTCPayServer.Services.Wallets;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Identity;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Mvc.Rendering;
using Microsoft.Extensions.Options;
using NBitcoin;
using NBitcoin.DataEncoders;
using NBXplorer.DerivationStrategy;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Net.Http;
using System.Threading;
using System.Threading.Tasks;
namespace BTCPayServer.Controllers
{
[Route("stores")]
[Authorize(AuthenticationSchemes = "Identity.Application")]
[Authorize(Policy = "CanAccessStore")]
[AutoValidateAntiforgeryToken]
public partial class StoresController : Controller
{
public StoresController(
IServiceProvider serviceProvider,
IOptions<MvcJsonOptions> mvcJsonOptions,
StoreRepository repo,
TokenRepository tokenRepo,
UserManager<ApplicationUser> userManager,
AccessTokenController tokenController,
BTCPayWalletProvider walletProvider,
BTCPayNetworkProvider networkProvider,
ExplorerClientProvider explorerProvider,
IFeeProviderFactory feeRateProvider,
IHostingEnvironment env)
{
_Repo = repo;
_TokenRepository = tokenRepo;
_UserManager = userManager;
_TokenController = tokenController;
_WalletProvider = walletProvider;
_Env = env;
_NetworkProvider = networkProvider;
_ExplorerProvider = explorerProvider;
_MvcJsonOptions = mvcJsonOptions.Value;
_FeeRateProvider = feeRateProvider;
_ServiceProvider = serviceProvider;
}
IServiceProvider _ServiceProvider;
BTCPayNetworkProvider _NetworkProvider;
private ExplorerClientProvider _ExplorerProvider;
private MvcJsonOptions _MvcJsonOptions;
private IFeeProviderFactory _FeeRateProvider;
BTCPayWalletProvider _WalletProvider;
AccessTokenController _TokenController;
StoreRepository _Repo;
TokenRepository _TokenRepository;
UserManager<ApplicationUser> _UserManager;
IHostingEnvironment _Env;
[TempData]
public string StatusMessage
{
get; set;
}
[HttpGet]
[Route("create")]
public IActionResult CreateStore()
{
return View();
}
[HttpPost]
[Route("create")]
public async Task<IActionResult> CreateStore(CreateStoreViewModel vm)
{
if (!ModelState.IsValid)
{
return View(vm);
}
var store = await _Repo.CreateStore(GetUserId(), vm.Name);
CreatedStoreId = store.Id;
StatusMessage = "Store successfully created";
return RedirectToAction(nameof(ListStores));
}
public string CreatedStoreId
{
get; set;
}
[HttpGet]
[Route("{storeId}/wallet")]
public async Task<IActionResult> Wallet(string storeId)
{
var store = await _Repo.FindStore(storeId, GetUserId());
if (store == null)
return NotFound();
WalletModel model = new WalletModel();
model.ServerUrl = GetStoreUrl(storeId);
model.SetCryptoCurrencies(_ExplorerProvider, store.GetDefaultCrypto());
return View(model);
}
private string GetStoreUrl(string storeId)
{
return HttpContext.Request.GetAbsoluteRoot() + "/stores/" + storeId + "/";
}
[HttpGet]
public async Task<IActionResult> ListStores()
{
StoresViewModel result = new StoresViewModel();
result.StatusMessage = StatusMessage;
var stores = await _Repo.GetStoresByUserId(GetUserId());
var balances = stores
.Select(s => s.GetSupportedPaymentMethods(_NetworkProvider)
.OfType<DerivationStrategy>()
.Select(d => ((Wallet: _WalletProvider.GetWallet(d.Network),
DerivationStrategy: d.DerivationStrategyBase)))
.Where(_ => _.Wallet != null)
.Select(async _ => (await GetBalanceString(_)) + " " + _.Wallet.Network.CryptoCode))
.ToArray();
await Task.WhenAll(balances.SelectMany(_ => _));
for (int i = 0; i < stores.Length; i++)
{
var store = stores[i];
result.Stores.Add(new StoresViewModel.StoreViewModel()
{
Id = store.Id,
Name = store.StoreName,
WebSite = store.StoreWebsite,
Balances = balances[i].Select(t => t.Result).ToArray()
});
}
return View(result);
}
private static async Task<string> GetBalanceString((BTCPayWallet Wallet, DerivationStrategyBase DerivationStrategy) _)
{
using (CancellationTokenSource cts = new CancellationTokenSource(TimeSpan.FromSeconds(10)))
{
try
{
return (await _.Wallet.GetBalance(_.DerivationStrategy, cts.Token)).ToString();
}
catch
{
return "--";
}
}
}
[HttpGet]
[Route("{storeId}/delete")]
public async Task<IActionResult> DeleteStore(string storeId)
{
var store = await _Repo.FindStore(storeId, GetUserId());
if (store == null)
return NotFound();
return View("Confirm", new ConfirmModel()
{
Title = "Delete store " + store.StoreName,
Description = "This store will still be accessible to users sharing it",
Action = "Delete"
});
}
[HttpPost]
[Route("{storeId}/delete")]
public async Task<IActionResult> DeleteStorePost(string storeId)
{
var userId = GetUserId();
var store = await _Repo.FindStore(storeId, GetUserId());
if (store == null)
return NotFound();
await _Repo.RemoveStore(storeId, userId);
StatusMessage = "Store removed successfully";
return RedirectToAction(nameof(ListStores));
}
[HttpGet]
[Route("{storeId}")]
public async Task<IActionResult> UpdateStore(string storeId)
{
var store = await _Repo.FindStore(storeId, GetUserId());
if (store == null)
return NotFound();
var storeBlob = store.GetStoreBlob();
var vm = new StoreViewModel();
vm.Id = store.Id;
vm.StoreName = store.StoreName;
vm.SetCryptoCurrencies(_ExplorerProvider, store.GetDefaultCrypto());
vm.StoreWebsite = store.StoreWebsite;
vm.NetworkFee = !storeBlob.NetworkFeeDisabled;
vm.SpeedPolicy = store.SpeedPolicy;
AddPaymentMethods(store, vm);
vm.StatusMessage = StatusMessage;
vm.MonitoringExpiration = storeBlob.MonitoringExpiration;
vm.InvoiceExpiration = storeBlob.InvoiceExpiration;
vm.RateMultiplier = (double)storeBlob.GetRateMultiplier();
vm.PreferredExchange = storeBlob.PreferredExchange.IsCoinAverage() ? "coinaverage" : storeBlob.PreferredExchange;
return View(vm);
}
private void AddPaymentMethods(StoreData store, StoreViewModel vm)
{
foreach(var strategy in store
.GetSupportedPaymentMethods(_NetworkProvider)
.OfType<DerivationStrategy>())
{
vm.DerivationSchemes.Add(new StoreViewModel.DerivationScheme()
{
Crypto = strategy.PaymentId.CryptoCode,
Value = strategy.DerivationStrategyBase.ToString()
});
}
foreach(var lightning in store
.GetSupportedPaymentMethods(_NetworkProvider)
.OfType<Payments.Lightning.LightningSupportedPaymentMethod>())
{
vm.LightningNodes.Add(new StoreViewModel.LightningNode()
{
CryptoCode = lightning.CryptoCode,
Address = lightning.GetLightningChargeUrl(false).AbsoluteUri
});
}
}
[HttpPost]
[Route("{storeId}")]
public async Task<IActionResult> UpdateStore(string storeId, StoreViewModel model)
{
if (!ModelState.IsValid)
{
return View(model);
}
if (model.PreferredExchange != null)
model.PreferredExchange = model.PreferredExchange.Trim().ToLowerInvariant();
var store = await _Repo.FindStore(storeId, GetUserId());
if (store == null)
return NotFound();
AddPaymentMethods(store, model);
bool needUpdate = false;
if (store.SpeedPolicy != model.SpeedPolicy)
{
needUpdate = true;
store.SpeedPolicy = model.SpeedPolicy;
}
if (store.StoreName != model.StoreName)
{
needUpdate = true;
store.StoreName = model.StoreName;
}
if (store.StoreWebsite != model.StoreWebsite)
{
needUpdate = true;
store.StoreWebsite = model.StoreWebsite;
}
if (store.GetDefaultCrypto() != model.DefaultCryptoCurrency)
{
needUpdate = true;
store.SetDefaultCrypto(model.DefaultCryptoCurrency);
}
model.SetCryptoCurrencies(_ExplorerProvider, model.DefaultCryptoCurrency);
var blob = store.GetStoreBlob();
blob.NetworkFeeDisabled = !model.NetworkFee;
blob.MonitoringExpiration = model.MonitoringExpiration;
blob.InvoiceExpiration = model.InvoiceExpiration;
bool newExchange = blob.PreferredExchange != model.PreferredExchange;
blob.PreferredExchange = model.PreferredExchange;
blob.SetRateMultiplier(model.RateMultiplier);
if (store.SetStoreBlob(blob))
{
needUpdate = true;
}
if (!blob.PreferredExchange.IsCoinAverage() && newExchange)
{
using (HttpClient client = new HttpClient())
{
var rate = await client.GetAsync(model.RateSource);
if (rate.StatusCode == System.Net.HttpStatusCode.NotFound)
{
ModelState.AddModelError(nameof(model.PreferredExchange), $"Unsupported exchange ({model.RateSource})");
return View(model);
}
}
}
if (needUpdate)
{
await _Repo.UpdateStore(store);
StatusMessage = "Store successfully updated";
}
return RedirectToAction(nameof(UpdateStore), new
{
storeId = storeId
});
}
private DerivationStrategy ParseDerivationStrategy(string derivationScheme, string format, BTCPayNetwork network)
{
if (format == "Electrum")
{
//Unsupported Electrum
//var p2wsh_p2sh = 0x295b43fU;
//var p2wsh = 0x2aa7ed3U;
Dictionary<uint, string[]> electrumMapping = new Dictionary<uint, string[]>();
//Source https://github.com/spesmilo/electrum/blob/9edffd17542de5773e7284a8c8a2673c766bb3c3/lib/bitcoin.py
var standard = 0x0488b21eU;
electrumMapping.Add(standard, new[] { "legacy" });
var p2wpkh_p2sh = 0x049d7cb2U;
electrumMapping.Add(p2wpkh_p2sh, new string[] { "p2sh" });
var p2wpkh = 0x4b24746U;
electrumMapping.Add(p2wpkh, Array.Empty<string>());
var data = Encoders.Base58Check.DecodeData(derivationScheme);
if (data.Length < 4)
throw new FormatException("data.Length < 4");
var prefix = Utils.ToUInt32(data, false);
if (!electrumMapping.TryGetValue(prefix, out string[] labels))
throw new FormatException("!electrumMapping.TryGetValue(prefix, out string[] labels)");
var standardPrefix = Utils.ToBytes(network.NBXplorerNetwork.DefaultSettings.ChainType == NBXplorer.ChainType.Main ? 0x0488b21eU : 0x043587cf, false);
for (int i = 0; i < 4; i++)
data[i] = standardPrefix[i];
derivationScheme = new BitcoinExtPubKey(Encoders.Base58Check.EncodeData(data), network.NBitcoinNetwork).ToString();
foreach (var label in labels)
{
derivationScheme = derivationScheme + $"-[{label}]";
}
}
return new DerivationStrategy(new DerivationStrategyFactory(network.NBitcoinNetwork).Parse(derivationScheme), network);
}
[HttpGet]
[Route("{storeId}/Tokens")]
public async Task<IActionResult> ListTokens(string storeId)
{
var model = new TokensViewModel();
var tokens = await _TokenRepository.GetTokensByStoreIdAsync(storeId);
model.StatusMessage = StatusMessage;
model.Tokens = tokens.Select(t => new TokenViewModel()
{
Facade = t.Facade,
Label = t.Label,
SIN = t.SIN,
Id = t.Value
}).ToArray();
return View(model);
}
[HttpPost]
[Route("/api-tokens")]
[Route("{storeId}/Tokens/Create")]
public async Task<IActionResult> CreateToken(string storeId, CreateTokenViewModel model)
{
if (!ModelState.IsValid)
{
return View(model);
}
model.Label = model.Label ?? String.Empty;
if (storeId == null) // Permissions are not checked by Policy if the storeId is not passed by url
{
storeId = model.StoreId;
var userId = GetUserId();
if (userId == null)
return Unauthorized();
var store = await _Repo.FindStore(storeId, userId);
if (store == null)
return Unauthorized();
}
var tokenRequest = new TokenRequest()
{
Facade = model.Facade,
Label = model.Label,
Id = model.PublicKey == null ? null : NBitpayClient.Extensions.BitIdExtensions.GetBitIDSIN(new PubKey(model.PublicKey))
};
string pairingCode = null;
if (model.PublicKey == null)
{
tokenRequest.PairingCode = await _TokenRepository.CreatePairingCodeAsync();
await _TokenRepository.UpdatePairingCode(new PairingCodeEntity()
{
Id = tokenRequest.PairingCode,
Facade = model.Facade,
Label = model.Label,
});
await _TokenRepository.PairWithStoreAsync(tokenRequest.PairingCode, storeId);
pairingCode = tokenRequest.PairingCode;
}
else
{
pairingCode = ((DataWrapper<List<PairingCodeResponse>>)await _TokenController.Tokens(tokenRequest)).Data[0].PairingCode;
}
GeneratedPairingCode = pairingCode;
return RedirectToAction(nameof(RequestPairing), new
{
pairingCode = pairingCode,
selectedStore = storeId
});
}
public string GeneratedPairingCode { get; set; }
[HttpGet]
[Route("/api-tokens")]
[Route("{storeId}/Tokens/Create")]
public async Task<IActionResult> CreateToken(string storeId)
{
var userId = GetUserId();
if (string.IsNullOrWhiteSpace(userId))
return Unauthorized();
var model = new CreateTokenViewModel();
model.Facade = "merchant";
ViewBag.HidePublicKey = storeId == null;
ViewBag.ShowStores = storeId == null;
ViewBag.ShowMenu = storeId != null;
model.StoreId = storeId;
if (storeId == null)
{
model.Stores = new SelectList(await _Repo.GetStoresByUserId(userId), nameof(StoreData.Id), nameof(StoreData.StoreName), storeId);
}
return View(model);
}
[HttpPost]
[Route("{storeId}/Tokens/Delete")]
public async Task<IActionResult> DeleteToken(string storeId, string tokenId)
{
var token = await _TokenRepository.GetToken(tokenId);
if (token == null ||
token.StoreId != storeId ||
!await _TokenRepository.DeleteToken(tokenId))
StatusMessage = "Failure to revoke this token";
else
StatusMessage = "Token revoked";
return RedirectToAction(nameof(ListTokens));
}
[HttpGet]
[Route("/api-access-request")]
public async Task<IActionResult> RequestPairing(string pairingCode, string selectedStore = null)
{
var pairing = await _TokenRepository.GetPairingAsync(pairingCode);
if (pairing == null)
{
StatusMessage = "Unknown pairing code";
return RedirectToAction(nameof(ListStores));
}
else
{
var stores = await _Repo.GetStoresByUserId(GetUserId());
return View(new PairingModel()
{
Id = pairing.Id,
Facade = pairing.Facade,
Label = pairing.Label,
SIN = pairing.SIN ?? "Server-Initiated Pairing",
SelectedStore = selectedStore ?? stores.FirstOrDefault()?.Id,
Stores = stores.Select(s => new PairingModel.StoreViewModel()
{
Id = s.Id,
Name = string.IsNullOrEmpty(s.StoreName) ? s.Id : s.StoreName
}).ToArray()
});
}
}
[HttpPost]
[Route("api-access-request")]
public async Task<IActionResult> Pair(string pairingCode, string selectedStore)
{
if (pairingCode == null)
return NotFound();
var store = await _Repo.FindStore(selectedStore, GetUserId());
var pairing = await _TokenRepository.GetPairingAsync(pairingCode);
if (store == null || pairing == null)
return NotFound();
var pairingResult = await _TokenRepository.PairWithStoreAsync(pairingCode, store.Id);
if (pairingResult == PairingResult.Complete || pairingResult == PairingResult.Partial)
{
StatusMessage = "Pairing is successfull";
if (pairingResult == PairingResult.Partial)
StatusMessage = "Server initiated pairing code: " + pairingCode;
return RedirectToAction(nameof(ListTokens), new
{
storeId = store.Id
});
}
else
{
StatusMessage = $"Pairing failed ({pairingResult})";
return RedirectToAction(nameof(ListTokens), new
{
storeId = store.Id
});
}
}
private string GetUserId()
{
return _UserManager.GetUserId(User);
}
}
}