Package com.nicholasalfonso.lato.security

Class JwtFilter

java.lang.Object
org.springframework.web.filter.GenericFilterBean
org.springframework.web.filter.OncePerRequestFilter
com.nicholasalfonso.lato.security.JwtFilter
All Implemented Interfaces:
jakarta.servlet.Filter, org.springframework.beans.factory.Aware, org.springframework.beans.factory.BeanNameAware, org.springframework.beans.factory.DisposableBean, org.springframework.beans.factory.InitializingBean, org.springframework.context.EnvironmentAware, org.springframework.core.env.EnvironmentCapable, org.springframework.web.context.ServletContextAware
@Component public class JwtFilter extends org.springframework.web.filter.OncePerRequestFilter
Request filter that extracts and validates JWT access tokens from the Authorization header.

  • Field Summary

    Fields inherited from class org.springframework.web.filter.OncePerRequestFilter

    ALREADY_FILTERED_SUFFIX

    Fields inherited from class org.springframework.web.filter.GenericFilterBean

    logger

  • Constructor Summary

    Constructors
    Constructor
    Description
    JwtFilter(JwtService jwtService)
    Creates the filter with JWT validation support.

  • Method Summary

    Modifier and Type
    Method
    Description
    protected void
    doFilterInternal(jakarta.servlet.http.HttpServletRequest request, @NonNull jakarta.servlet.http.HttpServletResponse response, @NonNull jakarta.servlet.FilterChain filterChain)
    Validates a bearer token when present and establishes the security context.

    Methods inherited from class org.springframework.web.filter.OncePerRequestFilter

    doFilter, doFilterNestedErrorDispatch, getAlreadyFilteredAttributeName, isAsyncDispatch, isAsyncStarted, shouldNotFilter, shouldNotFilterAsyncDispatch, shouldNotFilterErrorDispatch

    Methods inherited from class org.springframework.web.filter.GenericFilterBean

    addRequiredProperty, afterPropertiesSet, createEnvironment, destroy, getEnvironment, getFilterConfig, getFilterName, getServletContext, init, initBeanWrapper, initFilterBean, setBeanName, setEnvironment, setServletContext

    Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

  • Constructor Details

    • JwtFilter

      public JwtFilter(JwtService jwtService)
      Creates the filter with JWT validation support.
      Parameters:
      jwtService - service used to validate and parse access tokens

  • Method Details

    • doFilterInternal

      protected void doFilterInternal(jakarta.servlet.http.HttpServletRequest request, @NonNull jakarta.servlet.http.HttpServletResponse response, @NonNull jakarta.servlet.FilterChain filterChain) throws jakarta.servlet.ServletException, IOException
      Validates a bearer token when present and establishes the security context.
      Specified by:
      doFilterInternal in class org.springframework.web.filter.OncePerRequestFilter
      Parameters:
      request - the incoming HTTP request
      response - the outgoing HTTP response
      filterChain - the remaining filter chain
      Throws:
      jakarta.servlet.ServletException - if filter processing fails
      IOException - if request or response I/O fails