From 1490b32e260ad9da99cbd898adc6330158e2765c Mon Sep 17 00:00:00 2001
From: maliming <malimings@gmail.com>
Date: Wed, 11 Mar 2026 09:42:37 +0800
Subject: [PATCH] fix: only enable browser request streaming over HTTPS in
 Blazor WASM

SetBrowserRequestStreamingEnabled(true) requires HTTP/2, which browsers
only support over TLS (ALPN). When the target API uses plain HTTP,
the browser fails with ERR_ALPN_NEGOTIATION_FAILED on POST/PUT requests.

This change conditionally enables streaming only for HTTPS requests,
preserving the large file upload capability while fixing HTTP-only
development scenarios.
---
 .../WebAssembly/AbpBlazorClientHttpMessageHandler.cs         | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/framework/src/Volo.Abp.AspNetCore.Components.WebAssembly/Volo/Abp/AspNetCore/Components/WebAssembly/AbpBlazorClientHttpMessageHandler.cs b/framework/src/Volo.Abp.AspNetCore.Components.WebAssembly/Volo/Abp/AspNetCore/Components/WebAssembly/AbpBlazorClientHttpMessageHandler.cs
index 88855e3fc5..5e1ce7545c 100644
--- a/framework/src/Volo.Abp.AspNetCore.Components.WebAssembly/Volo/Abp/AspNetCore/Components/WebAssembly/AbpBlazorClientHttpMessageHandler.cs
+++ b/framework/src/Volo.Abp.AspNetCore.Components.WebAssembly/Volo/Abp/AspNetCore/Components/WebAssembly/AbpBlazorClientHttpMessageHandler.cs
@@ -53,7 +53,10 @@ public class AbpBlazorClientHttpMessageHandler : DelegatingHandler, ITransientDe
                 options.Type = UiPageProgressType.Info;
             });
 
-            request.SetBrowserRequestStreamingEnabled(true);
+            if (request.RequestUri?.Scheme == Uri.UriSchemeHttps)
+            {
+                request.SetBrowserRequestStreamingEnabled(true);
+            }
             await SetLanguageAsync(request, cancellationToken);
             await SetAntiForgeryTokenAsync(request);
             await SetTimeZoneAsync(request);