Middleware not invoking when expected in .net core 2.1












3















In my startup.cs file in my configure method I have the following:



public void Configure(IApplicationBuilder app)
{
if (HostingEnvironment.IsDevelopment())
{
app.UseDeveloperExceptionPage();
}
else
{
//TODO: Create an exception handler controller...
app.UseExceptionHandler("/Home/Error");
}

// app.UseRewriter(new RewriteOptions().AddRedirectToHttpsPermanent()); //required to force URL to https

app.UseStaticFiles();
app.UseSession();

app.UsePartialPageRendering();

app.Use(async (context, next) =>
{
await next.Invoke();
if (context.Response.StatusCode == 401)
{
context.Response.Redirect("/user/sign-in");
}
});


app.UseMvc();
// Log the environment so we can tell if it is correct.
Logger.LogInformation($"Hosting environment: {HostingEnvironment.EnvironmentName}");
}


Then in an Authorisation filter I have some code and in some conditions I have:



var authorisationCookie = _httpContext.HttpContext.Request.Cookies.Where(t => t.Key == "aut").FirstOrDefault();
//no valid cookie
if (authorisationCookie.Key == null)
{
//Kill the pipeline so that view doesn't get displayed.
context.Result = new UnauthorizedResult(); //should be this, but trouble handling it client side.

return;
}


When this line is hit if I use google developer tools I can see that a 401 is correctly returned, but my pipeline above never gets hit. How do I need to change this so that anytime a 401 is raised from anywhere in my app, the redirect occurs?










share|improve this question

























  • At a guess: you're calling .Use(...) after you've called .UseAuthentication(...)

    – John
    Nov 21 '18 at 8:35











  • @John no I don't. I've embellished my question with part of my code for returning the 401

    – bilpor
    Nov 21 '18 at 8:38






  • 2





    Can you show more of the code from Startup's Configure method?

    – John
    Nov 21 '18 at 8:39








  • 1





    @John Hi John I've updated my code to show the whole method

    – bilpor
    Nov 21 '18 at 8:42











  • Can you try and reduce this down to a Minimal, Complete, and Verifiable example? I've tried a project that does something similar with an IAuthorizationFilter and custom Use(...) and it works as expected.

    – Kirk Larkin
    Nov 21 '18 at 8:51
















3















In my startup.cs file in my configure method I have the following:



public void Configure(IApplicationBuilder app)
{
if (HostingEnvironment.IsDevelopment())
{
app.UseDeveloperExceptionPage();
}
else
{
//TODO: Create an exception handler controller...
app.UseExceptionHandler("/Home/Error");
}

// app.UseRewriter(new RewriteOptions().AddRedirectToHttpsPermanent()); //required to force URL to https

app.UseStaticFiles();
app.UseSession();

app.UsePartialPageRendering();

app.Use(async (context, next) =>
{
await next.Invoke();
if (context.Response.StatusCode == 401)
{
context.Response.Redirect("/user/sign-in");
}
});


app.UseMvc();
// Log the environment so we can tell if it is correct.
Logger.LogInformation($"Hosting environment: {HostingEnvironment.EnvironmentName}");
}


Then in an Authorisation filter I have some code and in some conditions I have:



var authorisationCookie = _httpContext.HttpContext.Request.Cookies.Where(t => t.Key == "aut").FirstOrDefault();
//no valid cookie
if (authorisationCookie.Key == null)
{
//Kill the pipeline so that view doesn't get displayed.
context.Result = new UnauthorizedResult(); //should be this, but trouble handling it client side.

return;
}


When this line is hit if I use google developer tools I can see that a 401 is correctly returned, but my pipeline above never gets hit. How do I need to change this so that anytime a 401 is raised from anywhere in my app, the redirect occurs?










share|improve this question

























  • At a guess: you're calling .Use(...) after you've called .UseAuthentication(...)

    – John
    Nov 21 '18 at 8:35











  • @John no I don't. I've embellished my question with part of my code for returning the 401

    – bilpor
    Nov 21 '18 at 8:38






  • 2





    Can you show more of the code from Startup's Configure method?

    – John
    Nov 21 '18 at 8:39








  • 1





    @John Hi John I've updated my code to show the whole method

    – bilpor
    Nov 21 '18 at 8:42











  • Can you try and reduce this down to a Minimal, Complete, and Verifiable example? I've tried a project that does something similar with an IAuthorizationFilter and custom Use(...) and it works as expected.

    – Kirk Larkin
    Nov 21 '18 at 8:51














3












3








3


1






In my startup.cs file in my configure method I have the following:



public void Configure(IApplicationBuilder app)
{
if (HostingEnvironment.IsDevelopment())
{
app.UseDeveloperExceptionPage();
}
else
{
//TODO: Create an exception handler controller...
app.UseExceptionHandler("/Home/Error");
}

// app.UseRewriter(new RewriteOptions().AddRedirectToHttpsPermanent()); //required to force URL to https

app.UseStaticFiles();
app.UseSession();

app.UsePartialPageRendering();

app.Use(async (context, next) =>
{
await next.Invoke();
if (context.Response.StatusCode == 401)
{
context.Response.Redirect("/user/sign-in");
}
});


app.UseMvc();
// Log the environment so we can tell if it is correct.
Logger.LogInformation($"Hosting environment: {HostingEnvironment.EnvironmentName}");
}


Then in an Authorisation filter I have some code and in some conditions I have:



var authorisationCookie = _httpContext.HttpContext.Request.Cookies.Where(t => t.Key == "aut").FirstOrDefault();
//no valid cookie
if (authorisationCookie.Key == null)
{
//Kill the pipeline so that view doesn't get displayed.
context.Result = new UnauthorizedResult(); //should be this, but trouble handling it client side.

return;
}


When this line is hit if I use google developer tools I can see that a 401 is correctly returned, but my pipeline above never gets hit. How do I need to change this so that anytime a 401 is raised from anywhere in my app, the redirect occurs?










share|improve this question
















In my startup.cs file in my configure method I have the following:



public void Configure(IApplicationBuilder app)
{
if (HostingEnvironment.IsDevelopment())
{
app.UseDeveloperExceptionPage();
}
else
{
//TODO: Create an exception handler controller...
app.UseExceptionHandler("/Home/Error");
}

// app.UseRewriter(new RewriteOptions().AddRedirectToHttpsPermanent()); //required to force URL to https

app.UseStaticFiles();
app.UseSession();

app.UsePartialPageRendering();

app.Use(async (context, next) =>
{
await next.Invoke();
if (context.Response.StatusCode == 401)
{
context.Response.Redirect("/user/sign-in");
}
});


app.UseMvc();
// Log the environment so we can tell if it is correct.
Logger.LogInformation($"Hosting environment: {HostingEnvironment.EnvironmentName}");
}


Then in an Authorisation filter I have some code and in some conditions I have:



var authorisationCookie = _httpContext.HttpContext.Request.Cookies.Where(t => t.Key == "aut").FirstOrDefault();
//no valid cookie
if (authorisationCookie.Key == null)
{
//Kill the pipeline so that view doesn't get displayed.
context.Result = new UnauthorizedResult(); //should be this, but trouble handling it client side.

return;
}


When this line is hit if I use google developer tools I can see that a 401 is correctly returned, but my pipeline above never gets hit. How do I need to change this so that anytime a 401 is raised from anywhere in my app, the redirect occurs?







c# asp.net-core asp.net-core-mvc






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited Nov 21 '18 at 8:42







bilpor

















asked Nov 21 '18 at 8:30









bilporbilpor

1,08511228




1,08511228













  • At a guess: you're calling .Use(...) after you've called .UseAuthentication(...)

    – John
    Nov 21 '18 at 8:35











  • @John no I don't. I've embellished my question with part of my code for returning the 401

    – bilpor
    Nov 21 '18 at 8:38






  • 2





    Can you show more of the code from Startup's Configure method?

    – John
    Nov 21 '18 at 8:39








  • 1





    @John Hi John I've updated my code to show the whole method

    – bilpor
    Nov 21 '18 at 8:42











  • Can you try and reduce this down to a Minimal, Complete, and Verifiable example? I've tried a project that does something similar with an IAuthorizationFilter and custom Use(...) and it works as expected.

    – Kirk Larkin
    Nov 21 '18 at 8:51



















  • At a guess: you're calling .Use(...) after you've called .UseAuthentication(...)

    – John
    Nov 21 '18 at 8:35











  • @John no I don't. I've embellished my question with part of my code for returning the 401

    – bilpor
    Nov 21 '18 at 8:38






  • 2





    Can you show more of the code from Startup's Configure method?

    – John
    Nov 21 '18 at 8:39








  • 1





    @John Hi John I've updated my code to show the whole method

    – bilpor
    Nov 21 '18 at 8:42











  • Can you try and reduce this down to a Minimal, Complete, and Verifiable example? I've tried a project that does something similar with an IAuthorizationFilter and custom Use(...) and it works as expected.

    – Kirk Larkin
    Nov 21 '18 at 8:51

















At a guess: you're calling .Use(...) after you've called .UseAuthentication(...)

– John
Nov 21 '18 at 8:35





At a guess: you're calling .Use(...) after you've called .UseAuthentication(...)

– John
Nov 21 '18 at 8:35













@John no I don't. I've embellished my question with part of my code for returning the 401

– bilpor
Nov 21 '18 at 8:38





@John no I don't. I've embellished my question with part of my code for returning the 401

– bilpor
Nov 21 '18 at 8:38




2




2





Can you show more of the code from Startup's Configure method?

– John
Nov 21 '18 at 8:39







Can you show more of the code from Startup's Configure method?

– John
Nov 21 '18 at 8:39






1




1





@John Hi John I've updated my code to show the whole method

– bilpor
Nov 21 '18 at 8:42





@John Hi John I've updated my code to show the whole method

– bilpor
Nov 21 '18 at 8:42













Can you try and reduce this down to a Minimal, Complete, and Verifiable example? I've tried a project that does something similar with an IAuthorizationFilter and custom Use(...) and it works as expected.

– Kirk Larkin
Nov 21 '18 at 8:51





Can you try and reduce this down to a Minimal, Complete, and Verifiable example? I've tried a project that does something similar with an IAuthorizationFilter and custom Use(...) and it works as expected.

– Kirk Larkin
Nov 21 '18 at 8:51












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