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Adding hosted service that will optionally check for new version once a day

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This commit is contained in:
rockstardev 2020-07-30 19:12:14 -05:00
parent b47b942e97
commit ea7231ff26
3 changed files with 96 additions and 0 deletions
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91
BTCPayServer/HostedServices/NewVersionCheckerHostedService.cs Normal file
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@ -0,0 +1,91 @@
using System;
using System.Net.Http;
using System.Threading;
using System.Threading.Tasks;
using BTCPayServer.Services;
using BTCPayServer.Services.Notifications;
using BTCPayServer.Services.Notifications.Blobs;
using Newtonsoft.Json.Linq;
namespace BTCPayServer.HostedServices
{
public class NewVersionCheckerHostedService : BaseAsyncService
{
private readonly SettingsRepository _settingsRepository;
private readonly BTCPayServerEnvironment _env;
private readonly NotificationSender _notificationSender;
private readonly IVersionFetcher _versionFetcher;
public NewVersionCheckerHostedService(SettingsRepository settingsRepository, BTCPayServerEnvironment env,
NotificationSender notificationSender, IVersionFetcher versionFetcher)
{
_settingsRepository = settingsRepository;
_env = env;
_notificationSender = notificationSender;
_versionFetcher = versionFetcher;
}
internal override Task[] InitializeTasks()
{
return new Task[] { CreateLoopTask(CheckForNewVersion) };
}
protected async Task CheckForNewVersion()
{
var policies = await _settingsRepository.GetSettingAsync<PoliciesSettings>() ?? new PoliciesSettings();
if (policies.CheckForNewVersions && !_env.IsDevelopping)
{
var tag = await _versionFetcher.Fetch(Cancellation);
if (tag != null && tag != _env.Version)
{
var dh = await _settingsRepository.GetSettingAsync<NewVersionCheckerDataHolder>() ?? new NewVersionCheckerDataHolder();
if (dh.LastVersion != tag)
{
await _notificationSender.SendNotification(new AdminScope(), new NewVersionNotification(tag));
dh.LastVersion = tag;
await _settingsRepository.UpdateSetting(dh);
}
}
}
await Task.Delay(TimeSpan.FromDays(1));
}
public class NewVersionCheckerDataHolder
{
public string LastVersion { get; set; }
}
public interface IVersionFetcher
{
Task<string> Fetch(CancellationToken cancellation);
}
public class GithubVersionFetcher : IVersionFetcher
{
private readonly HttpClient _httpClient;
public GithubVersionFetcher()
{
_httpClient = new HttpClient();
_httpClient.DefaultRequestHeaders.Add("Accept", "application/vnd.github.v3+json");
_httpClient.DefaultRequestHeaders.Add("User-Agent", "BTCPayServer/NewVersionChecker");
}
public async Task<string> Fetch(CancellationToken cancellation)
{
const string url = "https://api.github.com/repos/btcpayserver/btcpayserver/releases/latest";
var resp = await _httpClient.GetAsync(url, cancellation);
if (resp.IsSuccessStatusCode)
{
var jobj = await resp.Content.ReadAsAsync<JObject>(cancellation);
var tag = jobj["name"].ToString();
return tag;
}
return null;
}
}
}
}

3
BTCPayServer/Hosting/BTCPayServerServices.cs
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@ -239,7 +239,10 @@ namespace BTCPayServer.Hosting
services.AddSingleton<IBackgroundJobClient, BackgroundJobClient>();
services.AddScoped<IAuthorizationHandler, CookieAuthorizationHandler>();
services.AddScoped<IAuthorizationHandler, BitpayAuthorizationHandler>();
services.AddSingleton<IHostedService, NewVersionCheckerHostedService>();
services.AddSingleton<INotificationHandler, NewVersionNotification.Handler>();
services.AddSingleton<INotificationHandler, InvoiceEventNotification.Handler>();
services.AddSingleton<INotificationHandler, PayoutNotification.Handler>();

2
BTCPayServer/Services/PoliciesSettings.cs
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@ -24,6 +24,8 @@ namespace BTCPayServer.Services
public bool AllowHotWalletForAll { get; set; }
[Display(Name = "Allow non-admins to import their hot wallets to the node wallet")]
public bool AllowHotWalletRPCImportForAll { get; set; }
[Display(Name = "Check releases on GitHub and alert when new BTCPayServer versions is available")]
public bool CheckForNewVersions { get; set; }
[Display(Name = "Display app on website root")]
public string RootAppId { get; set; }