129 lines
No EOL
4 KiB
C#
129 lines
No EOL
4 KiB
C#
using System.Net;
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using System.Net.Mime;
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using Iceshrimp.Backend.Controllers.Federation.Attributes;
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using Iceshrimp.Backend.Controllers.Shared.Attributes;
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using Iceshrimp.Backend.Core.Configuration;
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using Iceshrimp.Backend.Core.Database;
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using Iceshrimp.Backend.Core.Database.Tables;
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using Iceshrimp.Backend.Core.Federation.WebFinger;
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using Iceshrimp.Backend.Core.Middleware;
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using Microsoft.AspNetCore.Cors;
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using Microsoft.AspNetCore.Mvc;
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using Microsoft.AspNetCore.OutputCaching;
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using Microsoft.EntityFrameworkCore;
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using Microsoft.Extensions.Options;
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namespace Iceshrimp.Backend.Controllers.Federation;
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[FederationApiController]
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[Route("/.well-known")]
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[EnableCors("well-known")]
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[OutputCache(PolicyName = "federation")]
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public class WellKnownController(IOptions<Config.InstanceSection> config, DatabaseContext db) : ControllerBase
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{
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[HttpGet("webfinger")]
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[Produces("application/jrd+json", "application/xrd+xml")]
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[ProducesResults(HttpStatusCode.OK)]
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[ProducesErrors(HttpStatusCode.NotFound)]
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public async Task<WebFingerResponse> WebFinger([FromQuery] string resource)
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{
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User? user;
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if (Uri.TryCreate(resource, UriKind.Absolute, out var uri) && uri.Scheme is "https")
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{
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if (uri.Host != config.Value.WebDomain)
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throw GracefulException.NotFound("User not found");
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if (!uri.AbsolutePath.StartsWith("/users/"))
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throw GracefulException.NotFound("User not found");
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var id = uri.AbsolutePath["/users/".Length..];
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user = await db.Users.FirstOrDefaultAsync(p => p.Id == id && p.IsLocalUser);
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}
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else
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{
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if (resource.StartsWith("acct:"))
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resource = resource[5..];
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var split = resource.TrimStart('@').Split('@');
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if (split.Length > 2) throw GracefulException.NotFound("User not found");
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if (split.Length == 2)
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{
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List<string> domains = [config.Value.AccountDomain, config.Value.WebDomain];
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if (!domains.Contains(split[1])) throw GracefulException.NotFound("User not found");
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}
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user = await db.Users.FirstOrDefaultAsync(p => p.UsernameLower == split[0].ToLowerInvariant() &&
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p.IsLocalUser);
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}
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if (user == null) throw GracefulException.NotFound("User not found");
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return new WebFingerResponse
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{
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Subject = $"acct:{user.Username}@{config.Value.AccountDomain}",
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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 = user.GetPublicUri(config.Value)
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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/ld+json; profile=\"https://www.w3.org/ns/activitystreams\"",
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Href = user.GetPublicUri(config.Value)
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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 = user.GetPublicUri(config.Value)
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},
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new WebFingerLink
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{
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Rel = "http://ostatus.org/schema/1.0/subscribe",
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Template = $"https://{config.Value.WebDomain}/authorize-follow?acct={{uri}}"
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}
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],
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Aliases = [user.GetPublicUrl(config.Value), user.GetPublicUri(config.Value)]
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};
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}
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[HttpGet("nodeinfo")]
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[Produces(MediaTypeNames.Application.Json)]
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[ProducesResults(HttpStatusCode.OK)]
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public NodeInfoIndexResponse NodeInfo()
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{
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return new NodeInfoIndexResponse
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{
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Links =
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[
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new WebFingerLink
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{
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Rel = "http://nodeinfo.diaspora.software/ns/schema/2.1",
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Href = $"https://{config.Value.WebDomain}/nodeinfo/2.1"
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},
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new WebFingerLink
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{
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Rel = "http://nodeinfo.diaspora.software/ns/schema/2.0",
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Href = $"https://{config.Value.WebDomain}/nodeinfo/2.0"
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}
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]
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};
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}
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[HttpGet("host-meta")]
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[Produces("application/xrd+xml", "application/jrd+json")]
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[ProducesResults(HttpStatusCode.OK)]
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public HostMetaResponse HostMeta()
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{
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if (Request.Headers.Accept is []) Request.Headers.Accept = "application/xrd+xml";
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return new HostMetaResponse(config.Value.WebDomain);
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}
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[HttpGet("host-meta.json")]
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[Produces("application/jrd+json")]
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[ProducesResults(HttpStatusCode.OK)]
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public HostMetaResponse HostMetaJson() => new(config.Value.WebDomain);
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} |