81 lines
2.2 KiB
C#
81 lines
2.2 KiB
C#
using Microsoft.AspNetCore.Mvc;
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using Microsoft.EntityFrameworkCore;
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namespace DysonNetwork.Sphere.ActivityPub;
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[ApiController]
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[Route(".well-known")]
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public class WebFingerController(
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AppDatabase db,
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IConfiguration configuration
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) : ControllerBase
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{
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private string Domain => configuration["ActivityPub:Domain"] ?? "localhost";
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[HttpGet("webfinger")]
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[Produces("application/jrd+json")]
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public async Task<ActionResult<WebFingerResponse>> GetWebFinger([FromQuery] string resource)
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{
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if (string.IsNullOrEmpty(resource))
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return BadRequest("Missing resource parameter");
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if (!resource.StartsWith("acct:"))
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return BadRequest("Invalid resource format");
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var account = resource[5..];
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var parts = account.Split('@');
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if (parts.Length != 2)
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return BadRequest("Invalid account format");
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var username = parts[0];
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var domain = parts[1];
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if (domain != Domain)
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return NotFound();
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var publisher = await db.Publishers
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.Include(p => p.Members)
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.FirstOrDefaultAsync(p => p.Name == username);
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if (publisher == null)
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return NotFound();
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var actorUrl = $"https://{Domain}/activitypub/actors/{username}";
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var response = new WebFingerResponse
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{
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Subject = resource,
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Links =
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[
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new WebFingerLink
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{
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Rel = "self",
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Type = "application/activity+json",
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Href = actorUrl
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},
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new WebFingerLink
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{
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Rel = "http://webfinger.net/rel/profile-page",
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Type = "text/html",
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Href = $"https://{Domain}/users/{username}"
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}
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]
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};
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return Ok(response);
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}
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}
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public class WebFingerResponse
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{
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public string Subject { get; set; } = null!;
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public List<WebFingerLink> Links { get; set; } = [];
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}
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public class WebFingerLink
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{
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public string Rel { get; set; } = null!;
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public string Type { get; set; } = null!;
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public string Href { get; set; } = null!;
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}
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