thepraandClaude Opus 5.5
2eb2a63f1e
S8: a direct message joins a conversation only when its participants are exactly that conversation's members, found through a new DmGroup.ParticipantsKey (a hash of the sorted members). A remote context no longer decides anything: it let anyone who knew a conversation's context post into it, and joining by context while dropping a participant would have shown a reply to someone it was not addressed to. A context is kept only when it is on the author's origin. Sending a DM to the same people again reuses their conversation instead of opening a new one. S9: Group.Kind is Circle or Community. A circle is not a federated actor: its actor, collections, WebFinger and inbox answer 404, a remote Follow is refused, and posts in it are IsLocalOnly - never delivered, never in an outbox, never served. Communities keep today's behaviour until P4. Migration _003 makes every existing group a circle, marks their posts local-only and backfills the conversation keys. End-to-end inbox tests sign real deliveries from a fake peer: a context injection, a forged activity id, a note attributed to someone else, a cross-origin object, a bad signature, junk bodies and a Follow of a circle. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_012CzABvBkbcFqoHdmi8b9WB
97 lines
3.1 KiB
C#
97 lines
3.1 KiB
C#
using Microsoft.AspNetCore.Mvc;
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using MongoDB.Entities;
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using PrivaPub.Models.Federation;
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using PrivaPub.Models.User;
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using PrivaPub.StaticServices;
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using System.Text.Json.Nodes;
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using PostEntity = PrivaPub.Models.Post.Post;
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using PrivaPub.Federation.Actors;
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namespace PrivaPub.Federation.Controllers
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{
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[ApiController]
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public class WellKnownController : ControllerBase
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{
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readonly ILocalActorService _localActors;
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readonly DbEntities _dbEntities;
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public WellKnownController(ILocalActorService localActors, DbEntities dbEntities)
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{
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_localActors = localActors;
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_dbEntities = dbEntities;
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}
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[HttpGet, Route("/.well-known/webfinger")]
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public async Task<IActionResult> WebFinger([FromQuery] string resource, CancellationToken token)
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{
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if (string.IsNullOrEmpty(resource))
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return BadRequest();
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LocalActor actor;
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if (resource.StartsWith("acct:", StringComparison.OrdinalIgnoreCase))
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{
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var parts = resource[5..].TrimStart('@').Split('@');
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var domain = new Uri(_localActors.BaseAddress).Authority;
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if (parts.Length != 2 || !parts[1].Equals(domain, StringComparison.OrdinalIgnoreCase))
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return NotFound();
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actor = await _localActors.FindByUserName(parts[0], token);
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}
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else
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actor = await _localActors.FindByUri(resource, token);
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if (actor is not { IsFederated: true })
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return NotFound();
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var document = new JsonObject
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{
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["subject"] = $"acct:{actor.Handle}",
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["aliases"] = new JsonArray(actor.Uri),
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["links"] = new JsonArray(
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new JsonObject { ["rel"] = "self", ["type"] = "application/activity+json", ["href"] = actor.Uri },
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new JsonObject { ["rel"] = "http://webfinger.net/rel/profile-page", ["type"] = "text/html", ["href"] = actor.Uri })
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};
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return Content(document.ToJsonString(), "application/jrd+json; charset=utf-8");
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}
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[HttpGet, Route("/.well-known/nodeinfo")]
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public IActionResult NodeInfoLinks()
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{
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var document = new JsonObject
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{
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["links"] = new JsonArray(new JsonObject
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{
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["rel"] = "http://nodeinfo.diaspora.software/ns/schema/2.0",
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["href"] = $"{_localActors.BaseAddress}/nodeinfo/2.0"
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})
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};
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return Content(document.ToJsonString(), "application/json; charset=utf-8");
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}
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[HttpGet, Route("/nodeinfo/2.0")]
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public async Task<IActionResult> NodeInfo(CancellationToken token)
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{
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var users = await DB.Default.CountAsync<Avatar>(a => !a.DeletionAt.HasValue, token);
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var posts = await DB.Default.CountAsync<PostEntity>(p => !p.IsFederatedCopy, token);
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var document = new JsonObject
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{
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["version"] = "2.0",
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["software"] = new JsonObject { ["name"] = "privapub", ["version"] = BuildInfo.Ref },
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["protocols"] = new JsonArray("activitypub"),
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["services"] = new JsonObject { ["inbound"] = new JsonArray(), ["outbound"] = new JsonArray() },
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["openRegistrations"] = true,
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["usage"] = new JsonObject
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{
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["users"] = new JsonObject { ["total"] = users },
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["localPosts"] = posts
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},
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["metadata"] = new JsonObject()
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};
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return Content(document.ToJsonString(), "application/json; profile=\"http://nodeinfo.diaspora.software/ns/schema/2.0#\"; charset=utf-8");
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}
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}
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}
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