Java Code Examples for org.apache.sling.api.SlingHttpServletRequest#getMethod()

/**
 * Filter all GET requests for HTML pages.
 *
 * Wrap the request and convert the response to a String where we can pass
 * it to the Link Rewriter service.
 *
 * @param request The Sling HTTP Servlet Request.
 * @param response The Sling HTTP Servlet Response.
 * @param chain The Filter Chain to continue processin the response.
 */
@Override
public void doFilter(final ServletRequest request, final ServletResponse response,
        final FilterChain chain) throws IOException, ServletException {

    // Since this is a Sling Filter, the request and response objects are guaranteed
    // to be of types SlingHttpServletRequest and SlingHttpServletResponse.
    final SlingHttpServletRequest slingRequest = (SlingHttpServletRequest)request;
    final String path = slingRequest.getPathInfo().toLowerCase();
    final String host = slingRequest.getServerName();
    final String method = slingRequest.getMethod();

    response.setCharacterEncoding(CharEncoding.UTF_8);

    if (linkRewriter != null && "GET".equals(method) && path.endsWith(".html")) {
        PrintWriter out = response.getWriter();
        CharResponseWrapper responseWrapper = new CharResponseWrapper((HttpServletResponse)response);

        try {
          chain.doFilter(request, responseWrapper);
        } catch (Exception e) {
          LOGGER.error("Could not continue chain", e);
          chain.doFilter(request, response);
        }

        String servletResponse = new String(responseWrapper.toString());

        out.write(linkRewriter.rewriteAllLinks(servletResponse, host));
    } else {
      chain.doFilter(request, response);
    }
}
 

/**
 * Prevent unauthorables from accessing Sling's user admin.
 *
 * @param request The Sling HTTP Servlet Request.
 * @param response The Sling HTTP Servlet Response.
 * @param chain The Filter Chain to continue processin the response.
 */
@Override
public void doFilter(final ServletRequest request, final ServletResponse response,
        final FilterChain chain) throws IOException, ServletException {

    // Since this is a Sling Filter, the request and response objects are guaranteed
    // to be of types SlingHttpServletRequest and SlingHttpServletResponse.
    final SlingHttpServletRequest slingRequest = (SlingHttpServletRequest)request;
    final SlingHttpServletResponse slingResponse = (SlingHttpServletResponse)response;
    final String path = slingRequest.getPathInfo().toLowerCase();
    final String method = slingRequest.getMethod();

    response.setCharacterEncoding(CharEncoding.UTF_8);

    if ("POST".equals(method) && path.startsWith("/system")) {
        if (userService != null) {
            final boolean allow = userService.isAuthorable(slingRequest.getResourceResolver().adaptTo(Session.class));

            if (allow) {
                chain.doFilter(request, response);
            } else {
                slingResponse.sendError(SlingHttpServletResponse.SC_FORBIDDEN);
            }
        } else {
            slingResponse.sendError(SlingHttpServletResponse.SC_FORBIDDEN);
        }
    } else {
        chain.doFilter(request, response);
    }
}
 

/**
 * Handle blog posts that are not published. If the user is authenticated,
 * display a preview bar. If the user is anonymous, seve a 404.
 *
 * @param request The Sling HTTP Servlet Request.
 * @param response The Sling HTTP Servlet Response.
 * @param chain The Filter Chain to continue processin the response.
 */
@Override
public void doFilter(final ServletRequest request, final ServletResponse response,
        final FilterChain chain) throws IOException, ServletException {

    // Since this is a Sling Filter, the request and response objects are guaranteed
    // to be of types SlingHttpServletRequest and SlingHttpServletResponse.
    final SlingHttpServletRequest slingRequest = (SlingHttpServletRequest)request;
    final SlingHttpServletResponse slingResponse = (SlingHttpServletResponse)response;

    final Resource resource = slingRequest.getResource();
    final String method = slingRequest.getMethod();
    final String resourceType = resource.getResourceType();

    response.setCharacterEncoding(CharEncoding.UTF_8);

    if ("GET".equals(method) && PublickConstants.PAGE_TYPE_BLOG.equals(resourceType)) {

        if (!resource.getValueMap().get("visible", false)) {
            final boolean authorable = userService.isAuthorable(slingRequest.getResourceResolver().adaptTo(Session.class));

            /* If user is logged in and page isn't published, inject a preview bar. */
            if (authorable) {
                PrintWriter out = response.getWriter();
                CharResponseWrapper responseWrapper = new CharResponseWrapper((HttpServletResponse)response);

                try {
                  chain.doFilter(request, responseWrapper);
                } catch (Exception e) {
                  LOGGER.error("Could not continue chain", e);
                  chain.doFilter(request, response);
                }

                final String servletResponse = new String(responseWrapper.toString());
                final String previewHeader = getPreviewHeader(slingRequest, PREVIEW_HEADER_PATH);

                /* Insert component before body close tag. Append to end if body close tag doesn't exist. */
                if (servletResponse != null && servletResponse.contains(INSERTION_TAG)) {
                    String[] html = servletResponse.split(INSERTION_TAG);

                    out.write(html[0] + INSERTION_TAG + previewHeader + html[1]);
                } else {
                    out.write(servletResponse + previewHeader);
                }
            } else {
                /* If user is not logged in and page isn't published, forward to 404. */
                slingResponse.sendError(SlingHttpServletResponse.SC_NOT_FOUND);
            }
        } else {
            chain.doFilter(request, slingResponse);
        }
    } else {
        chain.doFilter(request, slingResponse);
    }
}