Move ip update to hosted service

This commit is contained in:
jheaps
2025-08-04 14:26:45 -06:00
parent ae95b15ee6
commit a603b4287e
3 changed files with 154 additions and 156 deletions
+46 -154
View File
@@ -2,160 +2,52 @@ using JoshHeaps.Net.Hubs;
using JoshHeaps.Net.Services.Implementations;
using JoshHeaps.Net.Services.Interfaces;
namespace JoshHeaps.Net;
var builder = WebApplication.CreateBuilder(args);
// need to declare the class so I can add the public static bool
public class Program
// Add services to the container.
builder.Services.AddRazorPages();
var configuration = builder.Configuration;
builder.Services.AddControllers();
builder.Services.AddSignalR();
builder.Services.AddSingleton<IChessService, ChessService>();
builder.Services.AddSingleton<IBackgroundTaskQueue, BackgroundTaskQueue>();
if (!builder.Environment.IsDevelopment())
builder.Services.AddHostedService<AutoIpUpdateService>();
var app = builder.Build();
// Configure the HTTP request pipeline.
if (!app.Environment.IsDevelopment())
{
public static bool CheckingForIpUpdates { get; private set; } = false;
public static void Main(string[] args)
{
var builder = WebApplication.CreateBuilder(args);
// Add services to the container.
builder.Services.AddRazorPages();
var configuration = builder.Configuration;
Task updateIpTask;
if (!builder.Environment.IsDevelopment())
updateIpTask = Run(configuration);
builder.Services.AddControllers();
builder.Services.AddSignalR();
builder.Services.AddSingleton<IChessService, ChessService>();
builder.Services.AddSingleton<IBackgroundTaskQueue, BackgroundTaskQueue>();
var app = builder.Build();
// Configure the HTTP request pipeline.
if (!app.Environment.IsDevelopment())
{
app.UseExceptionHandler("/Error");
// The default HSTS value is 30 days. You may want to change this for production scenarios, see https://aka.ms/aspnetcore-hsts.
app.UseHsts();
}
app.UseHttpsRedirection();
app.UseStaticFiles(new StaticFileOptions
{
OnPrepareResponse = ctx =>
{
ctx.Context.Response.Headers.Append("Cache-Control", "no-cache, no-store, must-revalidate");
ctx.Context.Response.Headers.Append("Pragma", "no-cache");
ctx.Context.Response.Headers.Append("Expires", "0");
}
});
app.UseRouting();
app.UseAuthorization();
app.MapRazorPages();
app.MapControllers();
app.MapHub<ChessHub>("/chessHub");
app.Run();
}
static async Task Run(IConfiguration config)
{
CheckingForIpUpdates = true;
HttpClient httpClient = new();
AAAARecord dnsRecord = await GetDnsRecordAsync(config);
string lastKnownIp = dnsRecord.content;
TimeSpan checkInterval = TimeSpan.FromMinutes(1);
while (true)
{
try
{
string currentIp = await GetPublicIpAsync(httpClient) ?? "";
if (lastKnownIp != currentIp)
{
await UpdateDnsIpAsync(config, dnsRecord, currentIp);
lastKnownIp = currentIp;
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
await Task.Delay(checkInterval);
}
}
static async Task<string> GetPublicIpAsync(HttpClient client)
{
try
{
return await client.GetStringAsync(@"https://api.ipify.org/");
}
catch
{
await Task.Delay(TimeSpan.FromSeconds(10));
Console.WriteLine("Reattempting to grab public ip");
return await GetPublicIpAsync(client);
}
}
static async Task<AAAARecord> GetDnsRecordAsync(IConfiguration config)
{
try
{
HttpClient cfClient = new();
cfClient.DefaultRequestHeaders.Add("X-Auth-Email", config["cfEmail"]);
cfClient.DefaultRequestHeaders.Add("X-Auth-Key", config["cfKey"]);
var result = await cfClient.GetAsync(@$"https://api.cloudflare.com/client/v4/zones/{config["zoneId"]}/dns_records");
Console.WriteLine(await result.Content.ReadAsStringAsync());
var records = System.Text.Json.JsonSerializer.Deserialize<RecordList>(await result.Content.ReadAsStringAsync());
return records!.result[0];
}
catch
{
await Task.Delay(TimeSpan.FromSeconds(10));
Console.WriteLine("Reattempting to grab current ip");
return await GetDnsRecordAsync(config);
}
}
static async Task UpdateDnsIpAsync(IConfiguration config, AAAARecord record, string ip)
{
HttpClient cfClient = new();
cfClient.DefaultRequestHeaders.Add("X-Auth-Email", config["cfEmail"]);
cfClient.DefaultRequestHeaders.Add("X-Auth-Key", config["cfKey"]);
object content = new
{
comment = "Update as needed",
content = ip,
name = "@",
proxied = true,
ttl = 3600,
type = "AAAA"
};
var result = await cfClient.PutAsJsonAsync(@$"https://api.cloudflare.com/client/v4/zones/{config["zoneId"]}/dns_records{record.id}", content);
if (!result.IsSuccessStatusCode)
{
await Task.Delay(TimeSpan.FromSeconds(10));
Console.WriteLine("Reattempting to update ip");
await UpdateDnsIpAsync(config, record, ip);
}
}
record AAAARecord(string comment, string content, string name, string id);
record RecordList(List<AAAARecord> result);
app.UseExceptionHandler("/Error");
// The default HSTS value is 30 days. You may want to change this for production scenarios, see https://aka.ms/aspnetcore-hsts.
app.UseHsts();
}
app.UseHttpsRedirection();
app.UseStaticFiles(new StaticFileOptions
{
OnPrepareResponse = ctx =>
{
ctx.Context.Response.Headers.Append("Cache-Control", "no-cache, no-store, must-revalidate");
ctx.Context.Response.Headers.Append("Pragma", "no-cache");
ctx.Context.Response.Headers.Append("Expires", "0");
}
});
app.UseRouting();
app.UseAuthorization();
app.MapRazorPages();
app.MapControllers();
app.MapHub<ChessHub>("/chessHub");
app.Run();