added follow debug + ap models + header signing

src/BirdsiteLive.ActivityPub/ApDeserializer.cs

@@ -16,6 +16,31 @@ namespace BirdsiteLive.ActivityPub
                     if(a.apObject.type == "Follow")
                         return JsonConvert.DeserializeObject<ActivityUndoFollow>(json);
                     break;
+                case "Accept":
+                    var accept = JsonConvert.DeserializeObject<ActivityAccept>(json);
+                    //var acceptType = JsonConvert.DeserializeObject<Activity>(accept.apObject);
+                    switch ((accept.apObject as dynamic).type.ToString())
+                    {
+                        case "Follow":
+                            var acceptFollow = new ActivityAcceptFollow()
+                            {
+                                type = accept.type,
+                                id = accept.id,
+                                actor = accept.actor,
+                                context = accept.context,
+                                apObject = new ActivityFollow()
+                                {
+                                    id = (accept.apObject as dynamic).id?.ToString(),
+                                    type = (accept.apObject as dynamic).type?.ToString(),
+                                    actor = (accept.apObject as dynamic).actor?.ToString(),
+                                    context = (accept.apObject as dynamic).context?.ToString(),
+                                    apObject = (accept.apObject as dynamic).@object?.ToString()
+                                }
+                            };
+                            return acceptFollow;
+                            break;
+                    }
+                    break;
             }
 
             return null;

src/BirdsiteLive.ActivityPub/BirdsiteLive.ActivityPub.csproj

@@ -5,6 +5,7 @@
   </PropertyGroup>
 
   <ItemGroup>
+    <PackageReference Include="Microsoft.CSharp" Version="4.7.0" />
     <PackageReference Include="Newtonsoft.Json" Version="12.0.2" />
     <PackageReference Include="System.Text.Json" Version="4.7.2" />
   </ItemGroup>

src/BirdsiteLive.ActivityPub/Models/Activity.cs

@@ -10,6 +10,7 @@ namespace BirdsiteLive.ActivityPub
         public string id { get; set; }
         public string type { get; set; }
         public string actor { get; set; }
+
         //[JsonProperty("object")]
         //public string apObject { get; set; }
     }

src/BirdsiteLive.ActivityPub/Models/ActivityAccept.cs

@@ -0,0 +1,10 @@
+using Newtonsoft.Json;
+
+namespace BirdsiteLive.ActivityPub
+{
+    public class ActivityAccept : Activity
+    {
+        [JsonProperty("object")]
+        public object apObject { get; set; }
+    }
+}

src/BirdsiteLive.ActivityPub/Models/ActivityAcceptFollow.cs

@@ -0,0 +1,10 @@
+using Newtonsoft.Json;
+
+namespace BirdsiteLive.ActivityPub
+{
+    public class ActivityAcceptFollow : Activity
+    {
+        [JsonProperty("object")]
+        public ActivityFollow apObject { get; set; }
+    }
+}

src/BirdsiteLive.Domain/CryptoService.cs

@@ -1,10 +1,13 @@
-using BirdsiteLive.Domain.Factories;
+using System;
+using System.Text;
+using BirdsiteLive.Domain.Factories;
 
 namespace BirdsiteLive.Domain
 {
     public interface ICryptoService
     {
         string GetUserPem(string id);
+        string SignAndGetSignatureHeader(DateTime date, string actor, string host);
     }
 
     public class CryptoService : ICryptoService
@@ -22,5 +25,25 @@ namespace BirdsiteLive.Domain
         {
             return _magicKeyFactory.GetMagicKey().AsPEM;
         }
+
+        /// <summary>
+        /// 
+        /// </summary>
+        /// <param name="data"></param>
+        /// <param name="actor">in the form of https://domain.io/actor</param>
+        /// <param name="host">in the form of domain.io</param>
+        /// <returns></returns>
+        public string SignAndGetSignatureHeader(DateTime date, string actor, string targethost)
+        {
+            var httpDate = date.ToString("r");
+
+            var signedString = $"(request-target): post /inbox\nhost: {targethost}\ndate: {httpDate}";
+            var signedStringBytes = Encoding.UTF8.GetBytes(signedString);
+            var signature = _magicKeyFactory.GetMagicKey().Sign(signedStringBytes);
+            var sig64 = Convert.ToBase64String(signature);
+
+            var header = "keyId=\"" + actor + "\",headers=\"(request-target) host date\",signature=\"" + sig64 + "\"";
+            return header;
+        }
     }
 }

src/BirdsiteLive/BirdsiteLive.csproj

@@ -9,7 +9,7 @@
   <ItemGroup>
     <PackageReference Include="Lamar.Microsoft.DependencyInjection" Version="4.1.0" />
     <PackageReference Include="Microsoft.VisualStudio.Azure.Containers.Tools.Targets" Version="1.10.8" />
-    <PackageReference Include="Microsoft.VisualStudio.Web.CodeGeneration.Design" Version="3.1.1" />
+    <PackageReference Include="Microsoft.VisualStudio.Web.CodeGeneration.Design" Version="3.1.3" />
   </ItemGroup>
 
   <ItemGroup>

src/BirdsiteLive/Controllers/DebugController.cs

@@ -0,0 +1,94 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Net.Http;
+using System.Text;
+using System.Threading.Tasks;
+using BirdsiteLive.ActivityPub;
+using BirdsiteLive.Common.Settings;
+using BirdsiteLive.Domain;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Mvc.ViewFeatures;
+using Newtonsoft.Json;
+
+namespace BirdsiteLive.Controllers
+{
+    public class DebugController : Controller
+    {
+        private readonly InstanceSettings _instanceSettings;
+        private readonly ICryptoService _cryptoService;
+
+        #region Ctor
+        public DebugController(InstanceSettings instanceSettings, ICryptoService cryptoService)
+        {
+            _instanceSettings = instanceSettings;
+            _cryptoService = cryptoService;
+        }
+        #endregion
+
+        public IActionResult Index()
+        {
+            return View();
+        }
+
+        [HttpPost]
+        public async Task<IActionResult> Follow()
+        {
+            var actor = $"https://{_instanceSettings.Domain}/users/gra";
+            var targethost = "mamot.fr";
+            var followActivity = new ActivityFollow()
+            {
+                context = "https://www.w3.org/ns/activitystreams",
+                id = $"https://{_instanceSettings.Domain}/{Guid.NewGuid()}",
+                type = "Follow",
+                actor = actor,
+                apObject = $"https://{targethost}/users/testtest"
+            };
+
+            var json = JsonConvert.SerializeObject(followActivity);
+            
+            var date = DateTime.UtcNow.ToUniversalTime();
+            var httpDate = date.ToString("r");
+            var signature = _cryptoService.SignAndGetSignatureHeader(date, actor, targethost);
+
+            var client = new HttpClient();
+            var httpRequestMessage = new HttpRequestMessage
+            {
+                Method = HttpMethod.Post,
+                RequestUri = new Uri($"https://{targethost}/inbox"),
+                Headers =
+                {
+                    {"Host", targethost},
+                    {"Date", httpDate},
+                    {"Signature", signature}
+                },
+                Content = new StringContent(json, Encoding.UTF8, "application/ld+json")
+            };
+
+            try
+            {
+                var response = await client.SendAsync(httpRequestMessage);
+                var re = response.ReasonPhrase;
+                var t = await response.Content.ReadAsStringAsync();
+            }
+            catch (Exception e)
+            {
+                throw;
+            }
+
+            return View("Index");
+        }
+    }
+
+    public static class HtmlHelperExtensions
+    {
+        public static bool IsDebug()
+        {
+#if DEBUG
+            return true;
+#else
+            return false;
+#endif
+        }
+    }
+}

src/BirdsiteLive/Controllers/InboxController.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.IO;
 using System.Linq;
 using System.Threading.Tasks;
 using Microsoft.AspNetCore.Http;
@@ -14,6 +15,15 @@ namespace BirdsiteLive.Controllers
         [HttpPost]
         public async Task<IActionResult> Inbox()
         {
+            var r = Request;
+            using (var reader = new StreamReader(Request.Body))
+            {
+                var body = await reader.ReadToEndAsync();
+
+
+            }
+
+
             throw new NotImplementedException();
         }
     }

src/BirdsiteLive/Views/Home/Index.cshtml

@@ -1,8 +1,15 @@
-@{
+@using BirdsiteLive.Controllers;
+@{
     ViewData["Title"] = "Home Page";
 }
 
 <div class="text-center">
     <h1 class="display-4">Welcome</h1>
     <p>Learn about <a href="https://docs.microsoft.com/aspnet/core">building Web apps with ASP.NET Core</a>.</p>
+
+
+    @if (HtmlHelperExtensions.IsDebug())
+    {
+        <a class="nav-link text-dark" asp-area="" asp-controller="Debug" asp-action="Index">Debug</a>
+    }
 </div>

src/Tests/BirdsiteLive.ActivityPub.Tests/ApDeserializerTests.cs

@@ -31,5 +31,21 @@ namespace BirdsiteLive.ActivityPub.Tests
             Assert.AreEqual("https://mastodon.technology/users/testtest", data.apObject.actor);
             Assert.AreEqual("https://4a120ca2680e.ngrok.io/users/manu", data.apObject.apObject);
         }
+
+        [TestMethod]
+        public void AcceptDeserializationTest()
+        {
+            var json = "{\"@context\":\"https://www.w3.org/ns/activitystreams\",\"id\":\"https://mamot.fr/users/testtest#accepts/follows/333879\",\"type\":\"Accept\",\"actor\":\"https://mamot.fr/users/testtest\",\"object\":{\"id\":\"https://85da1577f778.ngrok.io/f89dfd87-f5ce-4603-83d9-405c0e229989\",\"type\":\"Follow\",\"actor\":\"https://85da1577f778.ngrok.io/users/gra\",\"object\":\"https://mamot.fr/users/testtest\"}}";
+
+
+            var data = ApDeserializer.ProcessActivity(json) as ActivityAcceptFollow;
+            Assert.AreEqual("https://mamot.fr/users/testtest#accepts/follows/333879", data.id);
+            Assert.AreEqual("Accept", data.type);
+            Assert.AreEqual("https://mamot.fr/users/testtest", data.actor);
+            Assert.AreEqual("https://85da1577f778.ngrok.io/f89dfd87-f5ce-4603-83d9-405c0e229989", data.apObject.id);
+            Assert.AreEqual("https://85da1577f778.ngrok.io/users/gra", data.apObject.actor);
+            Assert.AreEqual("Follow", data.apObject.type);
+            Assert.AreEqual("https://mamot.fr/users/testtest", data.apObject.apObject);
+        }
     }
 }