private HttpServletRequest clearSessionCoookie()

in Utils/AzureAuthenticationFilter/src/main/java/com/microsoft/azure/oidc/filter/helper/impl/SimpleAuthenticationHelper.java [392:440]
49 lines of code
19 McCabe index (conditional complexity)

    private HttpServletRequest clearSessionCoookie(final HttpServletRequest httpRequest,
            final HttpServletResponse httpResponse, final Token token, final State state) {
        if (httpRequest == null || httpResponse == null || token == null || state == null) {
            throw new PreconditionException("Required parameter is null");
        }
        final Cookie redisSessionCookie = getCookie(httpRequest, "SESSION");
        final Cookie javaSessionCookie = getCookie(httpRequest, "JSESSIONID");
        if (redisSessionCookie != null || javaSessionCookie != null) {
            if (token.getUserID().toString().equals(state.getUserID())) {
                if (redisSessionCookie != null && redisSessionCookie.getValue().equals(state.getSessionName())) {
                    return httpRequest;
                }
                if (javaSessionCookie != null && javaSessionCookie.getValue().equals(state.getSessionName())) {
                    return httpRequest;
                }
            }
            if (redisSessionCookie != null) {
                redisSessionCookie.setMaxAge(0);
                httpResponse.addCookie(redisSessionCookie);
                HttpSession session = httpRequest.getSession(false);
                if (session != null) {
                    session.invalidate();
                }
            }
            if (javaSessionCookie != null) {
                javaSessionCookie.setMaxAge(0);
                httpResponse.addCookie(javaSessionCookie);
                HttpSession session = httpRequest.getSession(false);
                if (session != null) {
                    session.invalidate();
                }
            }
            return new HttpServletRequestWrapper(httpRequest) {
                @Override
                public Cookie[] getCookies() {
                    final List<Cookie> cookieList = new ArrayList<Cookie>();
                    for (Cookie cookie : httpRequest.getCookies()) {
                        if (!cookie.getName().equals("SESSION") && !cookie.getName().equals("JSESSIONID")) {
                            cookieList.add(cookie);
                        }
                    }
                    final Cookie[] cookieArray = new Cookie[cookieList.size()];
                    cookieList.toArray(cookieArray);
                    return cookieArray;
                }
            };
        }
        return httpRequest;
    }