Iceshrimp.NET/Iceshrimp.Backend/Pages/UserPreview.razor.cs
Laura Hausmann 0a6b097d4c
[backend/razor] Fix public preview redirects
Beyond actually working, we don't actually want to send permanent redirects here, as an auth state change might influence the response.
2025-03-15 01:48:00 +01:00

66 lines
No EOL
2.4 KiB
C#

using System.Diagnostics.CodeAnalysis;
using Iceshrimp.Backend.Components.Helpers;
using Iceshrimp.Backend.Components.PublicPreview.Renderers;
using Iceshrimp.Backend.Components.PublicPreview.Schemas;
using Iceshrimp.Backend.Core.Configuration;
using Iceshrimp.Backend.Core.Extensions;
using Iceshrimp.Backend.Core.Middleware;
using Iceshrimp.Backend.Core.Services;
using Microsoft.AspNetCore.Components;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.Options;
namespace Iceshrimp.Backend.Pages;
public partial class UserPreview(
UserRenderer renderer,
MetaService meta,
IOptions<Config.InstanceSection> instance,
IOptionsSnapshot<Config.SecuritySection> security
) : AsyncComponentBase
{
[Parameter] public required string Acct { get; set; }
private PreviewUser? _user;
private string _instanceName = "Iceshrimp.NET";
private string? _pronouns;
[SuppressMessage("ReSharper", "EntityFramework.NPlusOne.IncompleteDataQuery")]
[SuppressMessage("ReSharper", "EntityFramework.NPlusOne.IncompleteDataUsage")]
protected override async Task OnInitializedAsync()
{
if (security.Value.PublicPreview == Enums.PublicPreview.Lockdown)
throw new PublicPreviewDisabledException();
_instanceName = await meta.GetAsync(MetaEntity.InstanceName) ?? _instanceName;
//TODO: user banner
//TODO: user note view (respect public preview settings - don't show renotes of remote notes if set to restricted or lower)
var split = Acct.Split("@");
if (split.Length > 2) throw GracefulException.BadRequest("Invalid acct");
var username = split[0].ToLowerInvariant();
var host = split.Length == 2 ? split[1].ToPunycodeLower() : null;
if (host == instance.Value.AccountDomain || host == instance.Value.WebDomain)
host = null;
var user = await Database.Users
.IncludeCommonProperties()
.FirstOrDefaultAsync(p => p.UsernameLower == username &&
p.Host == host &&
!p.IsSystemUser);
if (user is { IsRemoteUser: true })
{
var target = user.UserProfile?.Url ?? user.Uri ?? throw new Exception("User is remote but has no uri");
Redirect(target);
return;
}
_user = await renderer.RenderOne(user);
_pronouns = user?.UserProfile?.Pronouns != null
? string.Join(", ", user.UserProfile.Pronouns.Select(p => $"{p.Value} ({p.Key.ToUpper()})"))
: null;
}
}