97 lines
No EOL
3.5 KiB
C#
97 lines
No EOL
3.5 KiB
C#
using Iceshrimp.Backend.Controllers.Schemas;
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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 Microsoft.AspNetCore.Cors;
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using Microsoft.AspNetCore.Mvc;
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using Microsoft.EntityFrameworkCore;
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using Microsoft.Extensions.Options;
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namespace Iceshrimp.Backend.Controllers;
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[ApiController]
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[Tags("Federation")]
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[Route("/.well-known")]
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[EnableCors("well-known")]
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public class WellKnownController(IOptions<Config.InstanceSection> config, DatabaseContext db) : Controller {
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[HttpGet("webfinger")]
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[Produces("application/json")]
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[ProducesResponseType(StatusCodes.Status200OK, Type = typeof(WebFingerResponse))]
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[ProducesResponseType(StatusCodes.Status404NotFound, Type = typeof(ErrorResponse))]
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public async Task<IActionResult> WebFinger([FromQuery] string resource) {
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User? user;
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if (resource.StartsWith("acct:")) {
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var split = resource[5..].TrimStart('@').Split('@');
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if (split.Length > 2) return NotFound();
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if (split.Length == 2) {
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List<string> domains = [config.Value.AccountDomain, config.Value.WebDomain];
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if (!domains.Contains(split[1])) return NotFound();
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}
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user = await db.Users.FirstOrDefaultAsync(p => p.UsernameLower == split[0].ToLowerInvariant() &&
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p.Host == null);
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}
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else if (resource.StartsWith($"https://{config.Value.WebDomain}/users/")) {
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var id = resource[$"https://{config.Value.WebDomain}/users/".Length..];
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user = await db.Users.FirstOrDefaultAsync(p => p.Id == id && p.Host == null);
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}
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else {
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user = await db.Users.FirstOrDefaultAsync(p => p.UsernameLower == resource.ToLowerInvariant() &&
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p.Host == null);
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}
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if (user == null) return NotFound();
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var response = new WebFingerResponse {
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Subject = $"acct:{user.Username}@{config.Value.AccountDomain}",
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Links = [
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new WebFingerLink {
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Rel = "self",
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Type = "application/activity+json",
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Href = $"https://{config.Value.WebDomain}/users/{user.Id}"
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},
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new WebFingerLink {
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Rel = "http://webfinger.net/rel/profile-page",
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Type = "text/html",
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Href = $"https://{config.Value.WebDomain}/@{user.Username}"
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},
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new WebFingerLink {
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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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};
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return Ok(response);
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}
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[HttpGet("nodeinfo")]
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[Produces("application/json")]
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[ProducesResponseType(StatusCodes.Status200OK, Type = typeof(NodeInfoIndexResponse))]
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public IActionResult NodeInfo() {
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var response = new NodeInfoIndexResponse {
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Links = [
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new WebFingerLink {
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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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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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return Ok(response);
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}
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[HttpGet("host-meta")]
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[Produces("application/xrd+xml")]
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[ProducesResponseType(StatusCodes.Status200OK)]
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public IActionResult HostMeta() {
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//TODO: use a proper xml serializer for this
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return
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Content($$"""<?xml version="1.0" encoding="UTF-8"?><XRD xmlns="http://docs.oasis-open.org/ns/xri/xrd-1.0"><Link rel="lrdd" type="application/xrd+xml" template="https://{{config.Value.WebDomain}}/.well-known/webfinger?resource={uri}"/></XRD>""");
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}
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} |