void doFilter()

in plugin-rest/spring-security-rest/src/main/groovy/grails/plugin/springsecurity/rest/RestTokenValidationFilter.groovy [67:100]

27 lines of code
4 McCabe index (conditional complexity)


    void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
        HttpServletRequest httpRequest = request as HttpServletRequest
        HttpServletResponse httpResponse = response as HttpServletResponse
        AccessToken accessToken

        try {
            accessToken = tokenReader.findToken(httpRequest)
            if (accessToken) {
                log.debug "Token found: ${accessToken.accessToken}"

                log.debug "Trying to authenticate the token"
                accessToken = restAuthenticationProvider.authenticate(accessToken) as AccessToken

                if (accessToken.authenticated) {
                    log.debug "Token authenticated. Storing the authentication result in the security context"
                    log.debug "Authentication result: ${accessToken}"
                    SecurityContextHolder.context.setAuthentication(accessToken)

                    authenticationEventPublisher.publishAuthenticationSuccess(accessToken)

                    processFilterChain(request, response, chain, accessToken)
                }

            } else {
                log.debug "Token not found"
                processFilterChain(request, response, chain, accessToken)
            }
        } catch (AuthenticationException ae) {
            log.debug "Authentication failed: ${ae.message}"
            authenticationEventPublisher.publishAuthenticationFailure(ae, accessToken)
            authenticationFailureHandler.onAuthenticationFailure(httpRequest, httpResponse, ae)
        }

    }