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  • CSRF with Spring and AngularJS

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    In this blog, We will see how to configure CSRF protection and how to make AngularJS allowed to send information with a CSRF token to the server.

    In AngularJS, $http service reads a token from a cookie which is named by default XSRF-TOKEN and sets it in HTTP header with name X-XSRF-TOKEN. Once it is configured, now spring running on server is supposed to insert token in cookie inside HTTP header. Now server can verify that the cookie matches X-XSRF-TOKEN HTTP header.
    Let's see how it can be configured with Spring.

    Step 1. Configure and enable CSRF.

    Spring security comes with CSRF protection enabled. Please have a look of my previous blog.

    Step 2. Configure Cookie in HTTP Header to enable CSRF for AngularJS

    Here is the code below in your security configuration -

            .and().addFilterAfter(new CsrfHeaderFilter(), CsrfFilter.class);
    private CsrfTokenRepository csrfTokenRepository() {
              HttpSessionCsrfTokenRepository repository = new HttpSessionCsrfTokenRepository();
              return repository;

    Here in the second section of code, I have defined the CSRF token repository to just defined the header name which is set to the CSRF configuration.
    Here the point to notice - Class CsrfHeaderFilter. Here is the code for the class.

    package com.multipli.filter;
    import javax.servlet.FilterChain;
    import javax.servlet.ServletException;
    import javax.servlet.http.Cookie;
    import javax.servlet.http.HttpServletRequest;
    import javax.servlet.http.HttpServletResponse;
    import org.springframework.web.filter.OncePerRequestFilter;
    import org.springframework.web.util.WebUtils;
    public class CsrfHeaderFilter extends OncePerRequestFilter {
        protected void doFilterInternal(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, FilterChain filterChain) throws ServletException, IOException {
            CsrfToken csrf = (CsrfToken) httpServletRequest.getAttribute(CsrfToken.class.getName());
            if(csrf != null) {
                Cookie cookie = WebUtils.getCookie(httpServletRequest, "XSRF-TOKEN");
                String token = csrf.getToken();
                if(cookie == null || (token != null && !token.equals(cookie.getValue()))) {
                    cookie = new Cookie("XSRF-TOKEN", token);
            filterChain.doFilter(httpServletRequest, httpServletResponse);

    In the code above, the class extends OncePerRequestFilter . As name suggests, Filter applied just once for very first HTTP request. It creates the cookie with token for AngularJS.
    Hope this would help you.

    That's it.

    Thanks. Happy coding.

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