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[backend] Add configurable post character limit (ISH-5)

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Laura Hausmann 2024-02-07 20:33:00 +01:00
parent 547b385c29
commit c8c09591f9
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GPG key ID: D044E84C5BE01605
3 changed files with 17 additions and 6 deletions
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9
Iceshrimp.Backend/Core/Configuration/Config.cs
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@ -30,10 +30,11 @@ public sealed class Config {
public string UserAgent => $"Iceshrimp.NET/{Version} (https://{WebDomain})";
public required int ListenPort { get; init; } = 3000;
public required string ListenHost { get; init; } = "localhost";
public required string WebDomain { get; init; }
public required string AccountDomain { get; init; }
public required int ListenPort { get; init; } = 3000;
public required string ListenHost { get; init; } = "localhost";
public required string WebDomain { get; init; }
public required string AccountDomain { get; init; }
public required int CharacterLimit { get; init; } = 8192;
}
public sealed class SecuritySection {

8
Iceshrimp.Backend/Core/Services/NoteService.cs
View file

@ -1,3 +1,4 @@
using System.Diagnostics.CodeAnalysis;
using Iceshrimp.Backend.Core.Configuration;
using Iceshrimp.Backend.Core.Database;
using Iceshrimp.Backend.Core.Database.Tables;
@ -11,11 +12,13 @@ using Microsoft.Extensions.Options;
namespace Iceshrimp.Backend.Core.Services;
[SuppressMessage("ReSharper", "SuggestBaseTypeForParameterInConstructor",
Justification = "We need IOptionsSnapshot for config hot reload")]
public class NoteService(
ILogger<NoteService> logger,
DatabaseContext db,
UserResolver userResolver,
IOptions<Config.InstanceSection> config,
IOptionsSnapshot<Config.InstanceSection> config,
UserService userSvc,
ActivityFetcherService fetchSvc,
ActivityDeliverService deliverSvc,
@ -27,6 +30,9 @@ public class NoteService(
public async Task<Note> CreateNoteAsync(User user, Note.NoteVisibility visibility, string? text = null,
string? cw = null, Note? reply = null, Note? renote = null) {
if (text?.Length > config.Value.CharacterLimit)
throw GracefulException.BadRequest($"Text cannot be longer than {config.Value.CharacterLimit} characters");
if (text is { Length: > 100000 })
throw GracefulException.BadRequest("Text cannot be longer than 100.000 characters");

4
Iceshrimp.Backend/configuration.ini
View file

@ -5,6 +5,10 @@ ListenHost = localhost
;; Caution: changing these settings after initial setup *will* break federation
WebDomain = shrimp.example.org
AccountDomain = example.org
;; End of problematic settings block
;; Maximum number of characters allowed for local notes (must not be larger than the global limit, which is 100000 characters)
CharacterLimit = 8192
[Security]
;; Whether to require incoming ActivityPub requests carry a valid HTTP or LD signature