Run agains production ksp.mff.cuni.cz

(switchable in appsettings)

server/Ksp.WebServer/Controllers/GrafikPageController.cs

@@ -11,6 +11,7 @@ using AngleSharp.Dom;
 using System.Net.Http;
 using System.Net.Http.Headers;
 using AngleSharp.Html;
+using Microsoft.Extensions.Options;
 
 namespace Ksp.WebServer.Controllers
 {
@@ -20,23 +21,27 @@ namespace Ksp.WebServer.Controllers
     {
         private readonly ILogger<TasksController> logger;
         private readonly IWebHostEnvironment env;
+        private readonly KspProxyConfig kspProxyConfig;
 
         public GrafikPageController(
             ILogger<TasksController> logger,
-            IWebHostEnvironment env)
+            IWebHostEnvironment env,
+            IOptions<KspProxyConfig> kspProxyConfig)
         {
             this.env = env;
+            this.kspProxyConfig = kspProxyConfig.Value;
             this.logger = logger;
         }
 
         async Task<string> FetchBlankPage()
         {
             var c = new HttpClient();
-            var rq = new HttpRequestMessage(HttpMethod.Get, "https://ksp-test.ks.matfyz.cz/blank");
+            var rq = new HttpRequestMessage(HttpMethod.Get, $"{kspProxyConfig.Host}/blank");
             rq.Headers.Accept.Add(new MediaTypeWithQualityHeaderValue("text/html"));
             rq.Headers.Accept.Add(new MediaTypeWithQualityHeaderValue("application/xhtml+xml"));
-            rq.Headers.Authorization =
-                new AuthenticationHeaderValue("Basic", "SECRET");
+            if (!string.IsNullOrEmpty(kspProxyConfig.Authorization))
+                rq.Headers.Authorization =
+                    AuthenticationHeaderValue.Parse(kspProxyConfig.Authorization);
             if (HttpContext.Request.Headers.TryGetValue("Cookie", out var x))
                 rq.Headers.Add("Cookie", x.AsEnumerable());
             var rs = await c.SendAsync(rq);

server/Ksp.WebServer/KspProxyConfig.cs

@@ -0,0 +1,8 @@
+namespace Ksp.WebServer
+{
+    public class KspProxyConfig
+    {
+        public string Host { get; set; }
+        public string Authorization { get; set; }
+    }
+}

server/Ksp.WebServer/Properties/launchSettings.json

@@ -1,22 +1,6 @@
 {
   "$schema": "http://json.schemastore.org/launchsettings.json",
-  "iisSettings": {
-    "windowsAuthentication": false,
-    "anonymousAuthentication": true,
-    "iisExpress": {
-      "applicationUrl": "http://localhost:45302",
-      "sslPort": 44318
-    }
-  },
   "profiles": {
-    "IIS Express": {
-      "commandName": "IISExpress",
-      "launchBrowser": true,
-      "launchUrl": "index.html",
-      "environmentVariables": {
-        "ASPNETCORE_ENVIRONMENT": "Development"
-      }
-    },
     "Ksp.WebServer": {
       "commandName": "Project",
       "launchBrowser": true,

server/Ksp.WebServer/Startup.cs

@@ -18,6 +18,7 @@ using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.FileProviders;
 using Microsoft.Extensions.Hosting;
 using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.Options;
 
 namespace Ksp.WebServer
 {
@@ -42,11 +43,14 @@ namespace Ksp.WebServer
                 };
             });
             services.AddProxies();
+            services.Configure<KspProxyConfig>(Configuration.GetSection(nameof(KspProxyConfig)));
         }
 
         // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
-        public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
+        public void Configure(IApplicationBuilder app, IWebHostEnvironment env, IOptions<KspProxyConfig> kspProxyConfig)
         {
+            Console.WriteLine($"Running {env.EnvironmentName} env, root={env.ContentRootPath}, host={kspProxyConfig.Value.Host}");
+
             app.UseDeveloperExceptionPage();
 
             app.UseRouting();
@@ -70,35 +74,32 @@ namespace Ksp.WebServer
             app.RunProxy(proxy => proxy
                 .UseHttp((context, args) =>
                 {
-                    return "https://ksp-test.ks.matfyz.cz";
+                    return kspProxyConfig.Value.Host;
                 }, opt => {
+                    var baseUri = new Uri(kspProxyConfig.Value.Host);
                     opt.WithHttpClientName("RedirectClient");
 
                     opt.WithBeforeSend((cx, request) => {
-                        if (request.Headers.Authorization is null)
+                        if (request.Headers.Authorization is null && !string.IsNullOrEmpty(kspProxyConfig.Value.Authorization))
                         {
                             request.Headers.Authorization =
-                                new AuthenticationHeaderValue("Basic", "SECRET");
+                                AuthenticationHeaderValue.Parse(kspProxyConfig.Value.Authorization);
                         }
                         if (request.Headers.Referrer is object)
+                        {
                             request.Headers.Referrer =
                                 new UriBuilder(request.Headers.Referrer) {
-                                    Host = "ksp-test.ks.matfyz.cz",
-                                    Port = 443,
-                                    Scheme = "https"
+                                    Host = baseUri.Host,
+                                    Port = baseUri.Port,
+                                    Scheme = baseUri.Scheme
                                 }.Uri;
-                        // request.Headers.Remove("X-Forwarded-For");
-                        // request.Headers.Remove("X-Forwarded-Proto");
-                        // request.Headers.Remove("X-Forwarded-Host");
-                        // request.Headers.Remove("Forwarded");
-                        // request.Headers.Remove("Origin");
-                        // request.Headers.Add("Origin", "https://ksp-test.ks.matfyz.cz");
+                        }
                         // Console.WriteLine(request);
                         return Task.CompletedTask;
                     });
                     opt.WithAfterReceive((cx, response) => {
                         // Console.WriteLine(response);
-                        if (response.Headers.Location is object && response.Headers.Location.Host == "ksp-test.ks.matfyz.cz")
+                        if (response.Headers.Location is object && response.Headers.Location.Host == baseUri.Host)
                         {
                             response.Headers.Location = new UriBuilder(response.Headers.Location) {
                                 Host = cx.Request.Host.Host,
@@ -111,7 +112,7 @@ namespace Ksp.WebServer
                             response.Headers.Remove("Set-Cookie");
                             response.Headers.Add("Set-Cookie", v.Select(s =>
                                 s.Replace("; secure", "")
-                                 .Replace("; domain=ksp-test.ks.matfyz.cz", $"; domain={cx.Request.Host.Host}")
+                                 .Replace($"; domain={baseUri.Host}", $"; domain={cx.Request.Host.Host}")
                             ));
                         }
                         return Task.CompletedTask;

server/Ksp.WebServer/appsettings.Development.json

@@ -1,9 +1,13 @@
 {
   "Logging": {
     "LogLevel": {
-      "Default": "Information",
-      "Microsoft": "Warning",
-      "Microsoft.Hosting.Lifetime": "Information"
+      "Default": "Information",
+      "Microsoft": "Warning",
+      "Microsoft.Hosting.Lifetime": "Information"
     }
+  },
+  "KspProxyConfig": {
+    "Host": "https://ksp-test.ks.matfyz.cz",
+    "Authorization": "Basic SECRET"
   }
 }

server/Ksp.WebServer/appsettings.json

@@ -6,5 +6,9 @@
       "Microsoft.Hosting.Lifetime": "Information"
     }
   },
-  "AllowedHosts": "*"
+  "AllowedHosts": "*",
+  "KspProxyConfig": {
+    "Host": "https://ksp.mff.cuni.cz",
+    "Authorization": null
+  }
 }