From d543a1d4f9a337a8413d0c24c130a85149476e37 Mon Sep 17 00:00:00 2001
From: Nicolas Constant <github@nicolas-constant.com>
Date: Wed, 21 Dec 2022 00:25:43 -0500
Subject: [PATCH] added delete action

---
 .../Models/ActivityDelete.cs                  |  1 +
 src/BirdsiteLive.Domain/ActivityPubService.cs | 26 +++++++++++++++++++
 .../Controllers/DebugingController.cs         | 11 ++++++++
 src/BirdsiteLive/Views/Debuging/Index.cshtml  |  6 +++++
 4 files changed, 44 insertions(+)

diff --git a/src/BirdsiteLive.ActivityPub/Models/ActivityDelete.cs b/src/BirdsiteLive.ActivityPub/Models/ActivityDelete.cs
index deb7e7f..c628a61 100644
--- a/src/BirdsiteLive.ActivityPub/Models/ActivityDelete.cs
+++ b/src/BirdsiteLive.ActivityPub/Models/ActivityDelete.cs
@@ -4,6 +4,7 @@ namespace BirdsiteLive.ActivityPub.Models
 {
     public class ActivityDelete : Activity
     {
+        public string[] to { get; set; }
         [JsonProperty("object")]
         public object apObject { get; set; }
     }
diff --git a/src/BirdsiteLive.Domain/ActivityPubService.cs b/src/BirdsiteLive.Domain/ActivityPubService.cs
index 7a9aeeb..cab0c58 100644
--- a/src/BirdsiteLive.Domain/ActivityPubService.cs
+++ b/src/BirdsiteLive.Domain/ActivityPubService.cs
@@ -21,6 +21,7 @@ namespace BirdsiteLive.Domain
         Task<HttpStatusCode> PostDataAsync<T>(T data, string targetHost, string actorUrl, string inbox = null);
         Task PostNewNoteActivity(Note note, string username, string noteId, string targetHost,
             string targetInbox);
+        Task DeleteUserAsync(string username, string targetHost, string targetInbox);
     }
 
     public class WebFinger
@@ -82,6 +83,31 @@ namespace BirdsiteLive.Domain
             return actor;
         }
 
+        public async Task DeleteUserAsync(string username, string targetHost, string targetInbox)
+        {
+            try
+            {
+                var actor = UrlFactory.GetActorUrl(_instanceSettings.Domain, username);
+
+                var deleteUser = new ActivityDelete
+                {
+                    context = "https://www.w3.org/ns/activitystreams",
+                    id = $"{actor}#delete",
+                    type = "Delete",
+                    actor = actor,
+                    to = new [] { "https://www.w3.org/ns/activitystreams#Public" },
+                    apObject = actor
+                };
+
+                await PostDataAsync(deleteUser, targetHost, actor, targetInbox);
+            }
+            catch (Exception e)
+            {
+                _logger.LogError(e, "Error deleting {Username} to {Host}{Inbox}", username, targetHost, targetInbox);
+                throw;
+            }
+        }
+
         public async Task PostNewNoteActivity(Note note, string username, string noteId, string targetHost, string targetInbox)
         {
             try
diff --git a/src/BirdsiteLive/Controllers/DebugingController.cs b/src/BirdsiteLive/Controllers/DebugingController.cs
index 00accef..7c2c259 100644
--- a/src/BirdsiteLive/Controllers/DebugingController.cs
+++ b/src/BirdsiteLive/Controllers/DebugingController.cs
@@ -125,6 +125,17 @@ namespace BirdsiteLive.Controllers
             await _userService.SendRejectFollowAsync(activityFollow, "mastodon.technology");
             return View("Index");
         }
+
+        [HttpPost]
+        public async Task<IActionResult> PostDeleteUser()
+        {
+            var userName = "mastodon";
+            var host = "ioc.exchange";
+            var inbox = "/inbox";
+
+            await _activityPubService.DeleteUserAsync(userName, host, inbox);
+            return View("Index");
+        }
     }
     #endif
 
diff --git a/src/BirdsiteLive/Views/Debuging/Index.cshtml b/src/BirdsiteLive/Views/Debuging/Index.cshtml
index 5bcde75..e343cf2 100644
--- a/src/BirdsiteLive/Views/Debuging/Index.cshtml
+++ b/src/BirdsiteLive/Views/Debuging/Index.cshtml
@@ -23,4 +23,10 @@
     <!-- Input and Submit elements -->
 
     <button type="submit" value="Submit">Reject Follow</button>
+</form>
+
+<form asp-controller="Debuging" asp-action="PostDeleteUser" method="post">
+    <!-- Input and Submit elements -->
+
+    <button type="submit" value="Submit">Delete User</button>
 </form>
\ No newline at end of file