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Plugins: Add hook for resolving Lightning Address (#5322)

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d11n 2023-09-14 12:53:48 +02:00 committed by GitHub
parent 492512f527
commit 163f805f3b
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3 changed files with 71 additions and 42 deletions
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8
BTCPayServer/Controllers/LightningAddressService.cs
View File

@ -48,7 +48,7 @@ public class LightningAddressService
{
return await _memoryCache.GetOrCreateAsync(GetKey(username), async entry =>
{
var result = await Get(new LightningAddressQuery() { Usernames = new[] { username } });
var result = await Get(new LightningAddressQuery { Usernames = new[] { username } });
return result.FirstOrDefault();
});
}
@ -62,7 +62,7 @@ public class LightningAddressService
{
data.Username = NormalizeUsername(data.Username);
await using var context = _applicationDbContextFactory.CreateContext();
var result = (await GetCore(context, new LightningAddressQuery() { Usernames = new[] { data.Username } }))
var result = (await GetCore(context, new LightningAddressQuery { Usernames = new[] { data.Username } }))
.FirstOrDefault();
if (result is not null)
{
@ -84,7 +84,7 @@ public class LightningAddressService
{
username = NormalizeUsername(username);
await using var context = _applicationDbContextFactory.CreateContext();
var x = (await GetCore(context, new LightningAddressQuery() { Usernames = new[] { username } })).FirstOrDefault();
var x = (await GetCore(context, new LightningAddressQuery { Usernames = new[] { username } })).FirstOrDefault();
if (x is null)
return true;
if (storeId is not null && x.StoreDataId != storeId)
@ -100,7 +100,7 @@ public class LightningAddressService
public async Task Set(LightningAddressData data, ApplicationDbContext context)
{
var result = (await GetCore(context, new LightningAddressQuery() { Usernames = new[] { data.Username } }))
var result = (await GetCore(context, new LightningAddressQuery { Usernames = new[] { data.Username } }))
.FirstOrDefault();
if (result is not null)
{

91
BTCPayServer/Controllers/UILNURLController.cs
View File

@ -3,7 +3,6 @@ using System.Collections.Concurrent;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.Linq;
using System.Net.Http;
using System.Threading;
using System.Threading.Tasks;
using BTCPayServer.Abstractions.Constants;
@ -18,9 +17,9 @@ using BTCPayServer.Data.Payouts.LightningLike;
using BTCPayServer.Events;
using BTCPayServer.HostedServices;
using BTCPayServer.Lightning;
using BTCPayServer.Logging;
using BTCPayServer.Payments;
using BTCPayServer.Payments.Lightning;
using BTCPayServer.Plugins;
using BTCPayServer.Plugins.Crowdfund;
using BTCPayServer.Plugins.PointOfSale;
using BTCPayServer.Plugins.PointOfSale.Models;
@ -32,7 +31,6 @@ using BTCPayServer.Services.Stores;
using LNURL;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Cors;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Routing;
using NBitcoin;
@ -368,41 +366,56 @@ namespace BTCPayServer
[IgnoreAntiforgeryToken]
public async Task<IActionResult> ResolveLightningAddress(string username)
{
if (string.IsNullOrEmpty(username))
return NotFound("Unknown username");
LNURLPayRequest lnurlRequest = null;
// Check core and fall back to lookup Lightning Address via plugins
var lightningAddressSettings = await _lightningAddressService.ResolveByAddress(username);
if (lightningAddressSettings is null || username is null)
return NotFound("Unknown username");
var store = await _storeRepository.FindStore(lightningAddressSettings.StoreDataId);
var cryptoCode = "BTC";
if (store is null)
return NotFound("Unknown username");
if (GetLNUrlPaymentMethodId(cryptoCode, store, out var lnUrlMethod) is null)
return NotFound("LNUrl not available for store");
var blob = lightningAddressSettings.GetBlob();
var lnurlRequest = new LNURLPayRequest()
if (lightningAddressSettings is null)
{
Tag = "payRequest",
MinSendable = blob?.Min is decimal min ? new LightMoney(min, LightMoneyUnit.Satoshi) : null,
MaxSendable = blob?.Max is decimal max ? new LightMoney(max, LightMoneyUnit.Satoshi) : null,
CommentAllowed = lnUrlMethod.LUD12Enabled ? 2000 : 0
};
var resolver = (LightningAddressResolver)await _pluginHookService.ApplyFilter("resolve-lnurlp-request-for-lightning-address",
new LightningAddressResolver(username));
lnurlRequest = resolver.LNURLPayRequest;
if (lnurlRequest is null)
return NotFound("Unknown username");
}
else
{
var store = await _storeRepository.FindStore(lightningAddressSettings.StoreDataId);
if (store is null)
return NotFound("Unknown username");
var cryptoCode = "BTC";
if (GetLNUrlPaymentMethodId(cryptoCode, store, out var lnUrlMethod) is null)
return NotFound("LNURL not available for store");
var blob = lightningAddressSettings.GetBlob();
lnurlRequest = new LNURLPayRequest
{
Tag = "payRequest",
MinSendable = blob?.Min is decimal min ? new LightMoney(min, LightMoneyUnit.Satoshi) : null,
MaxSendable = blob?.Max is decimal max ? new LightMoney(max, LightMoneyUnit.Satoshi) : null,
CommentAllowed = lnUrlMethod.LUD12Enabled ? 2000 : 0
};
var lnUrlMetadata = new Dictionary<string, string>
{
["text/identifier"] = $"{username}@{Request.Host}"
};
SetLNUrlDescriptionMetadata(lnUrlMetadata, store, store.GetStoreBlob(), null);
lnurlRequest.Metadata =
JsonConvert.SerializeObject(lnUrlMetadata.Select(kv => new[] { kv.Key, kv.Value }));
lnurlRequest.Callback = new Uri(_linkGenerator.GetUriByAction(
action: nameof(GetLNURLForLightningAddress),
controller: "UILNURL",
values: new { cryptoCode, username }, Request.Scheme, Request.Host, Request.PathBase));
}
NormalizeSendable(lnurlRequest);
var lnUrlMetadata = new Dictionary<string, string>()
{
["text/identifier"] = $"{username}@{Request.Host}"
};
SetLNUrlDescriptionMetadata(lnUrlMetadata, store, store.GetStoreBlob(), null);
lnurlRequest.Metadata =
JsonConvert.SerializeObject(lnUrlMetadata.Select(kv => new[] { kv.Key, kv.Value }));
lnurlRequest.Callback = new Uri(_linkGenerator.GetUriByAction(
action: nameof(GetLNURLForLightningAddress),
controller: "UILNURL",
values: new { cryptoCode, username }, Request.Scheme, Request.Host, Request.PathBase));
lnurlRequest = await _pluginHookService.ApplyFilter("modify-lnurlp-request", lnurlRequest) as LNURLPayRequest;
return Ok(lnurlRequest);
}
@ -417,21 +430,23 @@ namespace BTCPayServer
return NotFound("Unknown username");
var blob = lightningAddressSettings.GetBlob();
var store = await _storeRepository.FindStore(lightningAddressSettings.StoreDataId);
if (store is null)
return NotFound("Unknown username");
var result = await GetLNURLRequest(
cryptoCode,
store,
store.GetStoreBlob(),
new CreateInvoiceRequest()
new CreateInvoiceRequest
{
Currency = blob?.CurrencyCode,
Metadata = blob?.InvoiceMetadata
},
new LNURLPayRequest()
new LNURLPayRequest
{
MinSendable = blob?.Min is decimal min ? new LightMoney(min, LightMoneyUnit.Satoshi) : null,
MaxSendable = blob?.Max is decimal max ? new LightMoney(max, LightMoneyUnit.Satoshi) : null,
},
new Dictionary<string, string>()
new Dictionary<string, string>
{
{ "text/identifier", $"{username}@{Request.Host}" }
});

14
BTCPayServer/Plugins/LightningAddresssResolver.cs Normal file
View File

@ -0,0 +1,14 @@
using LNURL;
namespace BTCPayServer.Plugins;
public class LightningAddressResolver
{
public string Username { get; set; }
public LNURLPayRequest LNURLPayRequest { get; set; }
public LightningAddressResolver(string username)
{
Username = username;
}
}