created parametrable webfinger

.gitignore

@@ -3,6 +3,8 @@
 ##
 ## Get latest from https://github.com/github/gitignore/blob/master/VisualStudio.gitignore
 
+appsettings.*.json
+
 # User-specific files
 *.rsuser
 *.suo

src/BirdsiteLive/Controllers/WellKnownController.cs

@@ -2,44 +2,86 @@
 using System.Collections.Generic;
 using System.Linq;
 using System.Threading.Tasks;
+using BirdsiteLive.Models;
 using Microsoft.AspNetCore.Mvc;
+using Microsoft.Extensions.Options;
 
 namespace BirdsiteLive.Controllers
 {
     [ApiController]
     public class WellKnownController : ControllerBase
     {
-        #region Ctor
+        private readonly InstanceSettings _settings;
-        public WellKnownController()
-        {
 
+        #region Ctor
+        public WellKnownController(IOptions<InstanceSettings> settings)
+        {
+            _settings = settings.Value;
         }
         #endregion
 
         [Route("/.well-known/webfinger")]
-        public WebFingerResult Webfinger(string resource = null)
+        public IActionResult Webfinger(string resource = null)
         {
-            var acct = resource.Split("acct:")[1];
+            var acct = resource.Split("acct:")[1].Trim();
 
+            string name = null;
+            string domain = null;
 
-            return new WebFingerResult()
+            var splitAcct = acct.Split('@', StringSplitOptions.RemoveEmptyEntries);
+
+            var atCount = acct.Count(x => x == '@');
+            if (atCount == 1 && acct.StartsWith('@'))
             {
-                subject = $"acct:{acct}",
+                name = splitAcct[1];
+            }
+            else if (atCount == 1 || atCount == 2)
+            {
+                name = splitAcct[0];
+                domain = splitAcct[1];
+            }
+            else
+            {
+                return BadRequest();
+            }
+
+            if (!string.IsNullOrWhiteSpace(domain) && domain != _settings.Domain)
+                return NotFound();
+            
+            //TODO: check if twitter user exists
+
+            var result = new WebFingerResult()
+            {
+                subject = $"acct:{name}@{_settings.Domain}",
+                aliases = new []
+                {
+                    $"https://{_settings.Domain}/@{name}",
+                    $"https://{_settings.Domain}/users/{name}"
+                },
                 links = new List<WebFingerLink>
                 {
+                    new WebFingerLink()
+                    {
+                        rel = "http://webfinger.net/rel/profile-page",
+                        type = "text/html",
+                        href = $"https://{_settings.Domain}/@{name}"
+                    },
                     new WebFingerLink()
                     {
                         rel = "self",
                         type = "application/activity+json",
-                        href = "https://d150a079.ngrok.io/actor"
+                        href = $"https://{_settings.Domain}/users/{name}"
                     }
                 }
             };
+
+            return new JsonResult(result);
         }
 
         public class WebFingerResult
         {
             public string subject { get; set; }
+            public string[] aliases { get; set; }
             public List<WebFingerLink> links { get; set; } = new List<WebFingerLink>();
         }
 

src/BirdsiteLive/Models/InstanceSettings.cs

@@ -0,0 +1,7 @@
+namespace BirdsiteLive.Models
+{
+    public class InstanceSettings
+    {
+        public string Domain { get; set; }
+    }
+}

src/BirdsiteLive/Startup.cs

@@ -2,6 +2,7 @@ using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Threading.Tasks;
+using BirdsiteLive.Models;
 using Microsoft.AspNetCore.Builder;
 using Microsoft.AspNetCore.Hosting;
 using Microsoft.AspNetCore.HttpsPolicy;
@@ -13,9 +14,17 @@ namespace BirdsiteLive
 {
     public class Startup
     {
-        public Startup(IConfiguration configuration)
+        public Startup(IWebHostEnvironment env)
         {
-            Configuration = configuration;
+            Console.WriteLine($"EnvironmentName {env.EnvironmentName}");
+
+            var builder = new ConfigurationBuilder()
+                .SetBasePath(env.ContentRootPath)
+                .AddJsonFile("appsettings.json", optional: true, reloadOnChange: true)
+                .AddJsonFile($"appsettings.{env.EnvironmentName.ToLowerInvariant()}.json", optional: true)
+                .AddEnvironmentVariables();
+            if (env.IsDevelopment()) builder.AddUserSecrets<Startup>();
+            Configuration = builder.Build();
         }
 
         public IConfiguration Configuration { get; }
@@ -23,6 +32,8 @@ namespace BirdsiteLive
         // This method gets called by the runtime. Use this method to add services to the container.
         public void ConfigureServices(IServiceCollection services)
         {
+            services.Configure<InstanceSettings>(Configuration.GetSection("Instance"));
+
             services.AddControllersWithViews();
         }
 
@@ -39,7 +50,7 @@ namespace BirdsiteLive
                 // 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.UseHttpsRedirection();
             app.UseStaticFiles();
 
             app.UseRouting();

src/BirdsiteLive/appsettings.Development.json

@@ -5,5 +5,8 @@
       "Microsoft": "Warning",
       "Microsoft.Hosting.Lifetime": "Information"
     }
+  },
+  "Instance": {
+    "Domain": "domain.name"
   }
 }

src/BirdsiteLive/appsettings.json

@@ -6,5 +6,8 @@
       "Microsoft.Hosting.Lifetime": "Information"
     }
   },
-  "AllowedHosts": "*"
+  "AllowedHosts": "*",
+  "Instance": {
+    "Domain":  "domain.name"  
+  } 
 }