// This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
public void Configure(IApplicationBuilder app, IHostingEnvironment env)
{
//loggerFactory.AddConsole();
//loggerFactory.AddDebug();
app.UseDeveloperExceptionPage();
app.UseWebSockets(); app.UseRouter(router => {
router.MapGet("devtools/page/{pageId}", async context => {
if (!context.WebSockets.IsWebSocketRequest)
{
context.Response.StatusCode = 400;
return;
}
try {
var proxy = new MonoProxy();
var browserUri = GetBrowserUri(context.Request.Path.ToString());
var ideSocket = await context.WebSockets.AcceptWebSocketAsync();
await proxy.Run(browserUri, ideSocket);
} catch (Exception e) {
Console.WriteLine("got exception {0}", e);
}
});
});
}
public async Task LaunchAndServe(ProcessStartInfo psi, HttpContext context, Func <string, string> extract_conn_url)
{
if (!context.WebSockets.IsWebSocketRequest)
{
context.Response.StatusCode = 400;
return;
}
var tcs = new TaskCompletionSource <string> ();
var proc = Process.Start(psi);
try {
proc.ErrorDataReceived += (sender, e) => {
Console.WriteLine($"stderr: {e.Data}");
var res = extract_conn_url(e.Data);
if (res != null)
{
tcs.TrySetResult(res);
}
};
proc.OutputDataReceived += (sender, e) => {
Console.WriteLine($"stdout: {e.Data}");
};
proc.BeginErrorReadLine();
proc.BeginOutputReadLine();
if (await Task.WhenAny(tcs.Task, Task.Delay(2000)) != tcs.Task)
{
Console.WriteLine("Didnt get the con string after 2s.");
throw new Exception("node.js timedout");
}
var con_str = await tcs.Task;
Console.WriteLine($"lauching proxy for {con_str}");
var proxy = new MonoProxy();
var browserUri = new Uri(con_str);
var ideSocket = await context.WebSockets.AcceptWebSocketAsync();
await proxy.Run(browserUri, ideSocket);
Console.WriteLine("Proxy done");
} catch (Exception e) {
Console.WriteLine("got exception {0}", e.GetType().FullName);
} finally {
proc.CancelErrorRead();
proc.CancelOutputRead();
proc.Kill();
proc.WaitForExit();
proc.Close();
}
}
public static IApplicationBuilder UseDebugProxy(this IApplicationBuilder app, DebugSettings settings)
{
app.Use(async(context, next) => {
var rewriteFunc = settings.TabMapper;
var devToolsHost = settings.DevToolsHost;
var request = context.Request;
var requestPath = request.Path;
var endpoint = $"{devToolsHost.Scheme}://{devToolsHost.Authority}{request.Path}{request.QueryString}";
switch (requestPath.Value.ToLower(System.Globalization.CultureInfo.InvariantCulture))
{
case "/":
using (var httpClient = new HttpClient {
Timeout = TimeSpan.FromSeconds(5)
}) {
var response = await httpClient.GetStringAsync($"{devToolsHost}");
context.Response.ContentType = "text/html";
context.Response.ContentLength = response.Length;
await context.Response.WriteAsync(response);
}
break;
case "/json/version":
context.Response.ContentType = "application/json";
await context.Response.WriteAsync(JsonConvert.SerializeObject(
new Dictionary <string, string> {
{ "Browser", "Chrome/71.0.3578.98" },
{ "Protocol-Version", "1.3" },
{ "User-Agent", "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.98 Safari/537.36" },
{ "V8-Version", "7.1.302.31" },
{ "WebKit-Version", "537.36 (@15234034d19b85dcd9a03b164ae89d04145d8368)" },
}));
break;
case "/json/new":
var tab = await ProxyGetJsonAsync <DevToolsTab> (endpoint);
var redirect = rewriteFunc?.Invoke(tab, context, devToolsHost);
context.Response.ContentType = "application/json";
await context.Response.WriteAsync(JsonConvert.SerializeObject(redirect));
break;
case "/json/list":
case "/json":
var tabs = await ProxyGetJsonAsync <DevToolsTab[]>(endpoint);
var alteredTabs = tabs.Select(t => rewriteFunc?.Invoke(t, context, devToolsHost)).ToArray();
context.Response.ContentType = "application/json";
await context.Response.WriteAsync(JsonConvert.SerializeObject(alteredTabs));
break;
default:
await next();
break;
}
})
.UseRouter(router => {
router.MapGet("devtools/page/{pageId}", async context => {
if (!context.WebSockets.IsWebSocketRequest)
{
context.Response.StatusCode = 400;
return;
}
var devToolsHost = settings.DevToolsHost;
var endpoint = new Uri($"ws://{devToolsHost.Authority}{context.Request.Path.ToString()}");
try {
var proxy = new MonoProxy();
var ideSocket = await context.WebSockets.AcceptWebSocketAsync();
await proxy.Run(endpoint, ideSocket);
} catch (Exception e) {
Console.WriteLine("got exception {0}", e);
}
});
});
return(app);
}
