Pass ILoggerFactory to Unobtanium ProxyServer for logging integration

Co-authored-by: waldekmastykarz <11164679+waldekmastykarz@users.noreply.github.com>

Author: Copilot

DevProxy/ApiControllers/ProxyController.cs

@@ -14,11 +14,12 @@ namespace DevProxy.ApiControllers;
 [ApiController]
 [Route("[controller]")]
 #pragma warning disable CA1515 // required for the API controller
-public sealed class ProxyController(IProxyStateController proxyStateController, IProxyConfiguration proxyConfiguration) : ControllerBase
+public sealed class ProxyController(IProxyStateController proxyStateController, IProxyConfiguration proxyConfiguration, ILoggerFactory loggerFactory) : ControllerBase
 #pragma warning restore CA1515
 {
     private readonly IProxyStateController _proxyStateController = proxyStateController;
     private readonly IProxyConfiguration _proxyConfiguration = proxyConfiguration;
+    private readonly ILoggerFactory _loggerFactory = loggerFactory;
 
     [HttpGet]
     public ProxyInfo Get() => ProxyInfo.From(_proxyStateController.ProxyState, _proxyConfiguration);
@@ -114,6 +115,9 @@ public IActionResult GetRootCertificate([FromQuery][Required] string format)
             return ValidationProblem(ModelState);
         }
 
+        // Ensure ProxyServer is initialized with LoggerFactory for Unobtanium logging
+        ProxyEngine.EnsureProxyServerInitialized(_loggerFactory);
+
         var certificate = ProxyEngine.ProxyServer.CertificateManager.RootCertificate;
         if (certificate == null)
         {

DevProxy/Commands/CertCommand.cs

@@ -14,15 +14,17 @@ namespace DevProxy.Commands;
 sealed class CertCommand : Command
 {
     private readonly ILogger _logger;
+    private readonly ILoggerFactory _loggerFactory;
     private readonly Option<bool> _forceOption = new("--force", "-f")
     {
         Description = "Don't prompt for confirmation when removing the certificate"
     };
 
-    public CertCommand(ILogger<CertCommand> logger) :
+    public CertCommand(ILogger<CertCommand> logger, ILoggerFactory loggerFactory) :
         base("cert", "Manage the Dev Proxy certificate")
     {
         _logger = logger;
+        _loggerFactory = loggerFactory;
 
         ConfigureCommand();
     }
@@ -49,6 +51,9 @@ private async Task EnsureCertAsync()
 
         try
         {
+            // Ensure ProxyServer is initialized with LoggerFactory for Unobtanium logging
+            ProxyEngine.EnsureProxyServerInitialized(_loggerFactory);
+
             _logger.LogInformation("Ensuring certificate exists and is trusted...");
             await ProxyEngine.ProxyServer.CertificateManager.EnsureRootCertificateAsync();
             _logger.LogInformation("DONE");
@@ -79,6 +84,9 @@ public void RemoveCert(ParseResult parseResult)
 
             _logger.LogInformation("Uninstalling the root certificate...");
 
+            // Ensure ProxyServer is initialized with LoggerFactory for Unobtanium logging
+            ProxyEngine.EnsureProxyServerInitialized(_loggerFactory);
+
             RemoveTrustedCertificateOnMac();
             ProxyEngine.ProxyServer.CertificateManager.RemoveTrustedRootCertificate(machineTrusted: false);
 

DevProxy/Proxy/ProxyEngine.cs

@@ -30,13 +30,16 @@ sealed class ProxyEngine(
     IProxyConfiguration proxyConfiguration,
     ISet<UrlToWatch> urlsToWatch,
     IProxyStateController proxyController,
-    ILogger<ProxyEngine> logger) : BackgroundService, IDisposable
+    ILogger<ProxyEngine> logger,
+    ILoggerFactory loggerFactory) : BackgroundService, IDisposable
 {
     private readonly IEnumerable<IPlugin> _plugins = plugins;
     private readonly ILogger _logger = logger;
     private readonly IProxyConfiguration _config = proxyConfiguration;
 
-    internal static ProxyServer ProxyServer { get; private set; }
+    internal static ProxyServer ProxyServer { get; private set; } = null!;
+    private static bool _isProxyServerInitialized;
+    private static readonly object _initLock = new();
     private ExplicitProxyEndPoint? _explicitEndPoint;
     // lists of URLs to watch, used for intercepting requests
     private readonly ISet<UrlToWatch> _urlsToWatch = urlsToWatch;
@@ -56,23 +59,49 @@ sealed class ProxyEngine(
 
     static ProxyEngine()
     {
-        ProxyServer = new();
-        ProxyServer.CertificateManager.PfxFilePath = Environment.GetEnvironmentVariable("DEV_PROXY_CERT_PATH") ?? string.Empty;
-        ProxyServer.CertificateManager.RootCertificateName = "Dev Proxy CA";
-        ProxyServer.CertificateManager.CertificateStorage = new CertificateDiskCache();
-        // we need to change this to a value lower than 397
-        // to avoid the ERR_CERT_VALIDITY_TOO_LONG error in Edge
-        ProxyServer.CertificateManager.CertificateValidDays = 365;
-
-        using var joinableTaskContext = new JoinableTaskContext();
-        var joinableTaskFactory = new JoinableTaskFactory(joinableTaskContext);
-        _ = joinableTaskFactory.Run(async () => await ProxyServer.CertificateManager.LoadOrCreateRootCertificateAsync());
+        // ProxyServer initialization moved to EnsureProxyServerInitialized
+        // to enable passing ILoggerFactory for Unobtanium logging
+    }
+
+    // Ensure ProxyServer is initialized with the given ILoggerFactory
+    // This method can be called from multiple places (ProxyEngine, CertCommand, etc.)
+    internal static void EnsureProxyServerInitialized(ILoggerFactory? loggerFactory = null)
+    {
+        if (_isProxyServerInitialized)
+        {
+            return;
+        }
+
+        lock (_initLock)
+        {
+            if (_isProxyServerInitialized)
+            {
+                return;
+            }
+
+            ProxyServer = new(loggerFactory: loggerFactory);
+            ProxyServer.CertificateManager.PfxFilePath = Environment.GetEnvironmentVariable("DEV_PROXY_CERT_PATH") ?? string.Empty;
+            ProxyServer.CertificateManager.RootCertificateName = "Dev Proxy CA";
+            ProxyServer.CertificateManager.CertificateStorage = new CertificateDiskCache();
+            // we need to change this to a value lower than 397
+            // to avoid the ERR_CERT_VALIDITY_TOO_LONG error in Edge
+            ProxyServer.CertificateManager.CertificateValidDays = 365;
+
+            using var joinableTaskContext = new JoinableTaskContext();
+            var joinableTaskFactory = new JoinableTaskFactory(joinableTaskContext);
+            _ = joinableTaskFactory.Run(async () => await ProxyServer.CertificateManager.LoadOrCreateRootCertificateAsync());
+
+            _isProxyServerInitialized = true;
+        }
     }
 
     protected override async Task ExecuteAsync(CancellationToken stoppingToken)
     {
         _cancellationToken = stoppingToken;
 
+        // Initialize ProxyServer with LoggerFactory for Unobtanium logging
+        EnsureProxyServerInitialized(loggerFactory);
+
         Debug.Assert(ProxyServer is not null, "Proxy server is not initialized");
 
         if (!_urlsToWatch.Any())