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Use local path redirect for www-to-apex middleware #1143

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Use local path redirect for www-to-apex middleware #1143

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53da3f8
Use local redirect target for www->apex
BenjaminMichaelis May 20, 2026
0e32533
Fix www redirect canonical host
BenjaminMichaelis May 20, 2026
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14 changes: 11 additions & 3 deletions EssentialCSharp.Web/Program.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,7 @@
using EssentialCSharp.Web.Tools;
using Mailjet.Client;
using Microsoft.AspNetCore.Authentication;
using Microsoft.AspNetCore.Http.Extensions;
using Microsoft.AspNetCore.HttpOverrides;
using Microsoft.AspNetCore.Identity;
using Microsoft.AspNetCore.Identity.UI.Services;
Expand Down Expand Up @@ -453,7 +454,6 @@ await context.HttpContext.Response.WriteAsync(
? configuredBaseUri.Host[4..]
: configuredBaseUri.Host;
string wwwHost = $"www.{apexHost}";
string redirectAuthority = new UriBuilder(configuredBaseUri) { Host = apexHost }.Uri.GetLeftPart(UriPartial.Authority);

app.UseExceptionHandler(exceptionApp =>
{
Expand Down Expand Up @@ -525,8 +525,16 @@ await McpJsonRpcResponseWriter.WriteErrorAsync(
{
if (string.Equals(context.Request.Host.Host, wwwHost, StringComparison.OrdinalIgnoreCase))
{
string redirectUrl = $"{redirectAuthority}{context.Request.PathBase}{context.Request.Path}{context.Request.QueryString}";
context.Response.Redirect(redirectUrl, permanent: true);
HostString redirectHost = configuredBaseUri.IsDefaultPort
? new HostString(apexHost)
: new HostString(apexHost, configuredBaseUri.Port);
string redirectTarget = UriHelper.BuildAbsolute(
configuredBaseUri.Scheme,
redirectHost,
context.Request.PathBase,
context.Request.Path,
context.Request.QueryString);
context.Response.Redirect(redirectTarget, permanent: true);
return;
}
await next(context);
Expand Down
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