Added EonaCat.LogStack.Status
Updated EonaCat.LogStack.LogClient to support EonaCat.LogStack.Status
This commit is contained in:
71
EonaCat.LogStack.Status/Services/AuthenticationService.cs
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71
EonaCat.LogStack.Status/Services/AuthenticationService.cs
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using Microsoft.EntityFrameworkCore;
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using EonaCat.LogStack.Status.Data;
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namespace EonaCat.LogStack.Status.Services;
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public class AuthenticationService
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{
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// This file is part of the EonaCat project(s) which is released under the Apache License.
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// See the LICENSE file or go to https://EonaCat.com/License for full license details.
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private readonly IDbContextFactory<DatabaseContext> _dbFactory;
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public AuthenticationService(IDbContextFactory<DatabaseContext> dbFactory) => _dbFactory = dbFactory;
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public async Task<bool> ValidatePasswordAsync(string password)
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{
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if (string.IsNullOrWhiteSpace(password))
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{
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return false;
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}
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await using var db = await _dbFactory.CreateDbContextAsync();
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var setting = await db.Settings.FirstOrDefaultAsync(s => s.Key == "AdminPasswordHash");
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if (setting == null)
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{
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return false;
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}
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return BCrypt.Net.BCrypt.EnhancedVerify(password, setting.Value);
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}
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public async Task<bool> ChangePasswordAsync(string currentPassword, string newPassword)
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{
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if (string.IsNullOrWhiteSpace(currentPassword))
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{
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return false;
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}
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if (string.IsNullOrWhiteSpace(newPassword))
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{
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return false;
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}
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if (!await ValidatePasswordAsync(currentPassword))
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{
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return false;
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}
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await using var db = await _dbFactory.CreateDbContextAsync();
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var setting = await db.Settings.FirstAsync(s => s.Key == "AdminPasswordHash");
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setting.Value = BCrypt.Net.BCrypt.EnhancedHashPassword(newPassword);
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await db.SaveChangesAsync();
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return true;
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}
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public async Task<string> GetSettingAsync(string key, string defaultValue = "")
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{
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await using var db = await _dbFactory.CreateDbContextAsync();
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var s = await db.Settings.FirstOrDefaultAsync(x => x.Key == key);
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return s?.Value ?? defaultValue;
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}
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public async Task SetSettingAsync(string key, string value)
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{
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await using var db = await _dbFactory.CreateDbContextAsync();
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var s = await db.Settings.FirstOrDefaultAsync(x => x.Key == key);
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if (s == null) { db.Settings.Add(new Models.AppSettings { Key = key, Value = value }); }
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else { s.Value = value; }
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await db.SaveChangesAsync();
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}
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}
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303
EonaCat.LogStack.Status/Services/MonitoringService.cs
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303
EonaCat.LogStack.Status/Services/MonitoringService.cs
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using System.Net;
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using System.Net.NetworkInformation;
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using System.Net.Security;
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using System.Net.Sockets;
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using System.Security.Cryptography.X509Certificates;
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using System.Diagnostics;
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using Microsoft.EntityFrameworkCore;
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using EonaCat.LogStack.Status.Data;
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using EonaCat.LogStack.Status.Models;
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using Monitor = EonaCat.LogStack.Status.Models.Monitor;
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namespace EonaCat.LogStack.Status.Services;
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// This file is part of the EonaCat project(s) which is released under the Apache License.
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// See the LICENSE file or go to https://EonaCat.com/License for full license details.
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public class MonitoringService
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{
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private readonly IDbContextFactory<DatabaseContext> _dbFactory;
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private readonly ILogger<MonitoringService> _log;
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public MonitoringService(IDbContextFactory<DatabaseContext> dbFactory, ILogger<MonitoringService> log)
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{
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_dbFactory = dbFactory;
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_log = log;
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}
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public async Task<MonitorCheck> CheckMonitorAsync(Monitor monitor)
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{
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var sw = Stopwatch.StartNew();
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MonitorStatus status;
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string? message = null;
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try
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{
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(status, message) = monitor.Type switch
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{
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MonitorType.TCP => await CheckTcpAsync(monitor.Host, monitor.Port ?? 80, monitor.TimeoutMs),
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MonitorType.UDP => await CheckUdpAsync(monitor.Host, monitor.Port ?? 53, monitor.TimeoutMs),
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MonitorType.AppLocal => CheckLocalProcess(monitor.ProcessName ?? monitor.Name),
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MonitorType.AppRemote => await CheckTcpAsync(monitor.Host, monitor.Port ?? 80, monitor.TimeoutMs),
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MonitorType.HTTP => await CheckHttpAsync(monitor.Url ?? $"http://{monitor.Host}", monitor.TimeoutMs),
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MonitorType.HTTPS => await CheckHttpAsync(monitor.Url ?? $"https://{monitor.Host}", monitor.TimeoutMs),
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_ => (MonitorStatus.Unknown, "Unknown monitor type")
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};
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}
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catch (Exception ex)
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{
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status = MonitorStatus.Down;
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message = ex.Message;
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}
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sw.Stop();
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var check = new MonitorCheck
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{
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MonitorId = monitor.Id,
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Status = status,
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ResponseMs = sw.Elapsed.TotalMilliseconds,
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Message = message,
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CheckedAt = DateTime.UtcNow
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};
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await using var db = await _dbFactory.CreateDbContextAsync();
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db.MonitorChecks.Add(check);
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monitor.LastChecked = DateTime.UtcNow;
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monitor.LastStatus = status;
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monitor.LastResponseMs = check.ResponseMs;
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db.Monitors.Update(monitor);
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await db.SaveChangesAsync();
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return check;
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}
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private async Task<(MonitorStatus, string?)> CheckTcpAsync(string host, int port, int timeoutMs)
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{
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using var client = new TcpClient();
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var cts = new CancellationTokenSource(timeoutMs);
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try
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{
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await client.ConnectAsync(host, port, cts.Token);
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return (MonitorStatus.Up, $"Connected to {host}:{port}");
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}
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catch (OperationCanceledException)
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{
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return (MonitorStatus.Down, $"Timeout connecting to {host}:{port}");
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}
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catch (Exception ex)
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{
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return (MonitorStatus.Down, ex.Message);
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}
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}
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private async Task<(MonitorStatus, string?)> CheckUdpAsync(string host, int port, int timeoutMs)
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{
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try
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{
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using var udp = new UdpClient();
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udp.Connect(host, port);
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var data = new byte[] { 0x00 };
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await udp.SendAsync(data, data.Length);
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return (MonitorStatus.Up, $"UDP {host}:{port} reachable");
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}
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catch (Exception ex)
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{
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return (MonitorStatus.Warning, $"UDP check: {ex.Message}");
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}
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}
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private (MonitorStatus, string?) CheckLocalProcess(string processName)
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{
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var procs = Process.GetProcessesByName(processName);
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if (procs.Length > 0)
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{
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return (MonitorStatus.Up, $"Process '{processName}' running (PID: {procs[0].Id})");
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}
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return (MonitorStatus.Down, $"Process '{processName}' not found");
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}
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private async Task<(MonitorStatus, string?)> CheckHttpAsync(string url, int timeoutMs)
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{
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using var handler = new HttpClientHandler
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{
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ServerCertificateCustomValidationCallback = HttpClientHandler.DangerousAcceptAnyServerCertificateValidator
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};
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using var client = new HttpClient(handler) { Timeout = TimeSpan.FromMilliseconds(timeoutMs) };
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try
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{
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var resp = await client.GetAsync(url);
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var code = (int)resp.StatusCode;
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if (code >= 200 && code < 400)
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{
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return (MonitorStatus.Up, $"HTTP {code}");
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}
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if (code >= 400 && code < 500)
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{
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return (MonitorStatus.Warning, $"HTTP {code}");
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}
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return (MonitorStatus.Down, $"HTTP {code}");
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}
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catch (TaskCanceledException)
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{
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return (MonitorStatus.Down, "Timeout");
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}
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catch (Exception ex)
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{
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return (MonitorStatus.Down, ex.Message);
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}
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}
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public async Task<CertificateEntry> CheckCertificateAsync(CertificateEntry cert)
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{
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try
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{
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using var client = new TcpClient();
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await client.ConnectAsync(cert.Domain, cert.Port);
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using var ssl = new SslStream(client.GetStream(), false, (_, c, _, _) => true);
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await ssl.AuthenticateAsClientAsync(cert.Domain);
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var x509 = ssl.RemoteCertificate as X509Certificate2
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?? new X509Certificate2(ssl.RemoteCertificate!);
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cert.ExpiresAt = x509.NotAfter.ToUniversalTime();
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cert.IssuedAt = x509.NotBefore.ToUniversalTime();
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cert.Issuer = x509.Issuer;
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cert.Subject = x509.Subject;
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cert.Thumbprint = x509.Thumbprint;
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cert.LastError = null;
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}
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catch (Exception ex)
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{
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cert.LastError = ex.Message;
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}
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cert.LastChecked = DateTime.UtcNow;
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await using var db = await _dbFactory.CreateDbContextAsync();
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db.Certificates.Update(cert);
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await db.SaveChangesAsync();
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return cert;
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}
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public async Task<DashboardStats> GetStatsAsync(bool isAdmin)
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{
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await using var db = await _dbFactory.CreateDbContextAsync();
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var monitors = await db.Monitors.Where(m => m.IsActive && (isAdmin || m.IsPublic)).ToListAsync();
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var certs = await db.Certificates.ToListAsync();
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var now = DateTime.UtcNow;
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return new DashboardStats
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{
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TotalMonitors = monitors.Count,
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UpCount = monitors.Count(m => m.LastStatus == MonitorStatus.Up),
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DownCount = monitors.Count(m => m.LastStatus == MonitorStatus.Down),
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WarnCount = monitors.Count(m => m.LastStatus == MonitorStatus.Warning || m.LastStatus == MonitorStatus.Degraded),
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UnknownCount = monitors.Count(m => m.LastStatus == MonitorStatus.Unknown),
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CertCount = certs.Count,
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CertExpiringSoon = certs.Count(c => c.ExpiresAt.HasValue && c.ExpiresAt.Value > now && (c.ExpiresAt.Value - now).TotalDays <= 30),
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CertExpired = certs.Count(c => c.ExpiresAt.HasValue && c.ExpiresAt.Value <= now),
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TotalLogs = await db.Logs.LongCountAsync(),
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ErrorLogs = await db.Logs.LongCountAsync(l => l.Level == "error" || l.Level == "critical"),
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OverallUptime = monitors.Count > 0 ? (double)monitors.Count(m => m.LastStatus == MonitorStatus.Up) / monitors.Count * 100 : 0
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};
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}
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}
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public class MonitoringBackgroundService : BackgroundService
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{
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private readonly IServiceScopeFactory _scopeFactory;
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private readonly ILogger<MonitoringBackgroundService> _log;
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public MonitoringBackgroundService(IServiceScopeFactory scopeFactory, ILogger<MonitoringBackgroundService> log)
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{
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_scopeFactory = scopeFactory;
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_log = log;
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}
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protected override async Task ExecuteAsync(CancellationToken stoppingToken)
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{
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while (!stoppingToken.IsCancellationRequested)
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{
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try
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{
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using var scope = _scopeFactory.CreateScope();
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var dbFactory = scope.ServiceProvider.GetRequiredService<IDbContextFactory<DatabaseContext>>();
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var monitorSvc = scope.ServiceProvider.GetRequiredService<MonitoringService>();
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await using var db = await dbFactory.CreateDbContextAsync(stoppingToken);
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var monitors = await db.Monitors.Where(m => m.IsActive).ToListAsync(stoppingToken);
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var now = DateTime.UtcNow;
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foreach (var m in monitors)
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{
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if (m.LastChecked == null || (now - m.LastChecked.Value).TotalSeconds >= m.IntervalSeconds)
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{
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_ = Task.Run(async () =>
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{
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using var checkScope = _scopeFactory.CreateScope();
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var svc = checkScope.ServiceProvider.GetRequiredService<MonitoringService>();
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await svc.CheckMonitorAsync(m);
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}, stoppingToken);
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}
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}
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// Check certs every hour
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var certs = await db.Certificates.ToListAsync(stoppingToken);
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foreach (var c in certs)
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{
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if (c.LastChecked == null || (now - c.LastChecked.Value).TotalHours >= 1)
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{
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_ = Task.Run(async () =>
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{
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using var certScope = _scopeFactory.CreateScope();
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var svc = certScope.ServiceProvider.GetRequiredService<MonitoringService>();
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await svc.CheckCertificateAsync(c);
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}, stoppingToken);
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}
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}
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}
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catch (Exception ex)
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{
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_log.LogError(ex, "Error in monitor loop");
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}
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await Task.Delay(10000, stoppingToken);
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}
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}
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}
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public class IngestionService
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{
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private readonly IDbContextFactory<DatabaseContext> _dbFactory;
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public IngestionService(IDbContextFactory<DatabaseContext> dbFactory)
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{
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_dbFactory = dbFactory;
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}
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public async Task IngestAsync(LogEntry entry)
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{
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await using var db = await _dbFactory.CreateDbContextAsync();
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db.Logs.Add(entry);
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await db.SaveChangesAsync();
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}
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public async Task IngestBatchAsync(IEnumerable<LogEntry> entries)
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{
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await using var db = await _dbFactory.CreateDbContextAsync();
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db.Logs.AddRange(entries);
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await db.SaveChangesAsync();
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}
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public async Task PurgeOldLogsAsync(int retentionDays)
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{
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await using var db = await _dbFactory.CreateDbContextAsync();
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var cutoff = DateTime.UtcNow.AddDays(-retentionDays);
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var old = await db.Logs.Where(l => l.Timestamp < cutoff).ToListAsync();
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db.Logs.RemoveRange(old);
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await db.SaveChangesAsync();
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}
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}
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