/// <summary>
/// Adds middleware needed for debugging Blazor WebAssembly applications
/// inside Chromium dev tools.
/// </summary>
public static void UseWebAssemblyDebugging(this IApplicationBuilder app)
{
app.Map("/_framework/debug", app =>
{
app.Use(async(context, next) =>
{
var debugProxyBaseUrl = await DebugProxyLauncher.EnsureLaunchedAndGetUrl(context.RequestServices);
var requestPath = context.Request.Path.ToString();
if (requestPath == string.Empty)
{
requestPath = "/";
}
// Although we could redirect for every URL we see here, we filter the allowed set
// to ensure this doesn't get misused as some kind of more general redirector
switch (requestPath)
{
case "/":
case "/ws-proxy":
context.Response.Redirect($"{debugProxyBaseUrl}{requestPath}{context.Request.QueryString}");
break;
default:
context.Response.StatusCode = (int)HttpStatusCode.NotFound;
break;
}
});
});
}
/// <summary>
/// Adds middleware needed for debugging Blazor WebAssembly applications
/// inside Chromium dev tools.
/// </summary>
public static void UseWebAssemblyDebugging(this IApplicationBuilder app)
{
app.Map("/_framework/debug", app =>
{
app.Use(async(context, next) =>
{
var queryParams = HttpUtility.ParseQueryString(context.Request.QueryString.Value);
var browserParam = queryParams.Get("browser");
Uri browserUrl = null;
var devToolsHost = "http://localhost:9222";
if (browserParam != null)
{
browserUrl = new Uri(browserParam);
devToolsHost = $"http://{browserUrl.Host}:{browserUrl.Port}";
}
var debugProxyBaseUrl = await DebugProxyLauncher.EnsureLaunchedAndGetUrl(context.RequestServices, devToolsHost);
var requestPath = context.Request.Path.ToString();
if (requestPath == string.Empty)
{
requestPath = "/";
}
switch (requestPath)
{
case "/":
var targetPickerUi = new TargetPickerUi(debugProxyBaseUrl, devToolsHost);
await targetPickerUi.Display(context);
break;
case "/ws-proxy":
context.Response.Redirect($"{debugProxyBaseUrl}{browserUrl.PathAndQuery}");
break;
default:
context.Response.StatusCode = (int)HttpStatusCode.NotFound;
break;
}
});
});
}
