Angular 6 does not automatically include the X-XSRF-TOKEN header in its HTTP requests

Despite thoroughly reading the documentation and searching for answers on various platforms, I am still facing issues with Angular's XSRF mechanism. I cannot seem to get the X-XSRF-TOKEN header automatically appended when making a POST request.

My situation involves an Angular 6 application with a login form.

This app is integrated into a Symfony (PHP 7.1) website. When the Angular page is served from Symfony, it correctly sends the necessary Cookie (XSRF-TOKEN):

https://i.sstatic.net/dXZjD.png

I have ensured that my app.module.ts file includes the relevant modules:

// other imports...
import {HttpClientModule, HttpClientXsrfModule} from "@angular/common/http";

// ...
@NgModule({
  declarations: [
    // ...
  ],
  imports: [
    NgbModule.forRoot(),
    BrowserModule,
    // ...
    HttpClientModule,
    HttpClientXsrfModule.withOptions({
      cookieName: 'XSRF-TOKEN',
      headerName: 'X-CSRF-TOKEN'
    }),
    // other imports
  ],
  providers: [],
  entryComponents: [WarningDialog],
  bootstrap: [AppComponent]
})
export class AppModule {
}

However, when making an HTTP request inside a Service method, such as the example below (this.http being an instance of HttpClient):

this.http
    .post<any>('api/login', {'_username': username, '_pass': password})
    .subscribe(/* handler here */);

The POST request does not include the X-XSRF-TOKEN header. What could be causing this issue?

Answer №1

The issue at hand once again revolves around the lack of comprehensive documentation in Angular.

It is crucial to note that Angular will include the X-XSRF-TOKEN header only if the XSRF-TOKEN cookie was created on the server-side with specific parameters:

  • Path = /
  • httpOnly = false (a critical detail that remains completely undocumented)

In addition, both the Angular application and the URL being accessed must be hosted on the same server.

For further information, please see this particular Angular Github issue

Answer №2

In our team, we encountered an issue where we mistakenly used an absolute path instead of a relative path.

Therefore, it is important to avoid using absolute paths like:

this.http.post<any>("https://example.com/api/endpoint",data)

Instead, use

this.http.post<any>("api/endpoint",data)

Alternatively, you can also use

this.http.post<any>("//example.com/api/endpoint",data)

The reason for this is that Angular code explicitly ignores absolute paths when using HttpClientXsrfModule (see)

Answer №3

After hours of frustration, we finally found success by modifying the request (using Angular) from 'https://example.com' to '//example.com'.

All our previous attempts at solving the issue had been unsuccessful.

Answer №4

To enable credentials on the frontend service, use { withCredentials: true }

For example:

this.httpClient.put<dataType>(url, requestBody, { withCredentials: true });

Answer №5

Slightly veering off the main topic, but for those who may find themselves in a similar situation, I managed to tackle this issue on the backend using the following approach (specifically for spring-boot)

     /**
     * CORS configuration - utilized by cors() within configure(). DO NOT ALTER THE METHOD NAME
     * 
     * @return
     */
    @Bean()
    public CorsConfigurationSource corsConfigurationSource() {
        CorsConfiguration configuration = new CorsConfiguration();
        configuration.setAllowedOrigins(Lists.newArrayList("http://localhost:4200"));
        configuration.setAllowedMethods(Lists.newArrayList("GET", "POST", "OPTIONS"));
        configuration.setAllowCredentials(true);
        configuration.setAllowedHeaders(Lists.newArrayList("x-xsrf-token", "XSRF-TOKEN"));
        configuration.setMaxAge(10l);
        UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
        source.registerCorsConfiguration("/**", configuration);
        return source;
    }

Answer №7

    req = req.clone({
        credentials: true
      });

In the InterceptService module, this feature is functioning well for me.

Answer №8

It took me some time to figure this out for Spring Boot users:

Additionally, the Angular app and the URL being called must be hosted on the same server.

Initially, I was testing my solution locally with applications running on different ports, and surprisingly, it worked as if they were from the same origin.

However, the issue arose when I changed the context path to /api, resulting in a different origin. This led me to realize that Angular would not append an XSRF token to the request automatically, so I had to manually add:

final CookieCsrfTokenRepository cookieCsrfTokenRepository =  CookieCsrfTokenRepository.withHttpOnlyFalse();
    cookieCsrfTokenRepository.setCookiePath("/");

in order to establish them as coming from the same origin.

Here is a more complex solution for dealing with different context paths

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