From bcc8377beca2a82b08e4ef58ff966db5bcc74936 Mon Sep 17 00:00:00 2001
From: Laura Hausmann <laura@hausmann.dev>
Date: Thu, 27 Feb 2025 01:56:18 +0100
Subject: [PATCH] [backend/api] Fix emoji import request size limiter not being
 disabled

---
 .../Attributes/DisableRequestSizeLimit.cs     | 28 +++++++++++++++++++
 .../Controllers/Web/EmojiController.cs        |  2 +-
 2 files changed, 29 insertions(+), 1 deletion(-)
 create mode 100644 Iceshrimp.Backend/Controllers/Shared/Attributes/DisableRequestSizeLimit.cs

diff --git a/Iceshrimp.Backend/Controllers/Shared/Attributes/DisableRequestSizeLimit.cs b/Iceshrimp.Backend/Controllers/Shared/Attributes/DisableRequestSizeLimit.cs
new file mode 100644
index 00000000..4b776c4f
--- /dev/null
+++ b/Iceshrimp.Backend/Controllers/Shared/Attributes/DisableRequestSizeLimit.cs
@@ -0,0 +1,28 @@
+using Microsoft.AspNetCore.Http.Features;
+using Microsoft.AspNetCore.Http.Metadata;
+using Microsoft.AspNetCore.Mvc.Filters;
+
+namespace Iceshrimp.Backend.Controllers.Shared.Attributes;
+
+public class NoRequestSizeLimitAttribute : Attribute, IFormOptionsMetadata, IResourceFilter
+{
+	public void OnResourceExecuting(ResourceExecutingContext context)
+	{
+		var feature = context.HttpContext.Features.Get<IHttpMaxRequestBodySizeFeature>() ??
+		              throw new Exception("Failed to get IHttpMaxRequestBodySizeFeature");
+		feature.MaxRequestBodySize = long.MaxValue;
+	}
+
+	public void OnResourceExecuted(ResourceExecutedContext context) { }
+
+	public bool? BufferBody                   => null;
+	public int?  MemoryBufferThreshold        => null;
+	public long? BufferBodyLengthLimit        => long.MaxValue;
+	public int?  ValueCountLimit              => null;
+	public int?  KeyLengthLimit               => null;
+	public int?  ValueLengthLimit             => null;
+	public int?  MultipartBoundaryLengthLimit => null;
+	public int?  MultipartHeadersCountLimit   => null;
+	public int?  MultipartHeadersLengthLimit  => null;
+	public long? MultipartBodyLengthLimit     => long.MaxValue;
+}
\ No newline at end of file
diff --git a/Iceshrimp.Backend/Controllers/Web/EmojiController.cs b/Iceshrimp.Backend/Controllers/Web/EmojiController.cs
index 17d628b9..dd377c4b 100644
--- a/Iceshrimp.Backend/Controllers/Web/EmojiController.cs
+++ b/Iceshrimp.Backend/Controllers/Web/EmojiController.cs
@@ -187,7 +187,7 @@ public class EmojiController(
 
 	[HttpPost("import")]
 	[Authorize("role:moderator")]
-	[DisableRequestSizeLimit]
+	[NoRequestSizeLimit]
 	[ProducesResults(HttpStatusCode.Accepted)]
 	public async Task<AcceptedResult> ImportEmoji(IFormFile file)
 	{