Why not doing this directly the wicket-way with PageParameters and your
own Session?
FBPage(PageParameters params) {
// do something with: params.getString("xy");
// construct a new MySession object within the WicketApp.init method:
// @Override Session newSession(Request request, Response response) {
// return new MySession(request); }
// No need for complicated stuff just call 'getSession()' and get or
set the token:
MySession session = (MySession)getSession();
// session.getToken();
}
I've done similar things in jetwick for twitter authentication.
Regards,
Peter.
--
http://jetwick.com open twitter search
> I am doing a facebook application in wicket. To get facebook authentication
> token, I have written a wicket filter as below:
>
>
>
> package com.mycompany.myapp.config;
>
> import java.io.ByteArrayOutputStream;
> import java.io.IOException;
> import java.io.InputStream;
> import java.net.URL;
>
> import javax.servlet.Filter;
> import javax.servlet.FilterChain;
> import javax.servlet.FilterConfig;
> import javax.servlet.ServletException;
> import javax.servlet.ServletRequest;
> import javax.servlet.ServletResponse;
> import javax.servlet.http.HttpServletRequest;
> import javax.servlet.http.HttpServletResponse;
> import javax.servlet.http.HttpSession;
>
> import com.visural.common.StringUtil;
>
> public class FBOAuth implements Filter {
> public void init(FilterConfig fc) throws ServletException {
> }
>
> public void doFilter(ServletRequest sr, ServletResponse sr1, FilterChain
> fc)
> throws IOException, ServletException {
> HttpServletRequest req = (HttpServletRequest) sr;
> HttpServletResponse res = (HttpServletResponse) sr1;
> res.sendRedirect(FaceBook.getLoginRedirectURL());
> String code = sr.getParameter("code");
> if (StringUtil.isNotBlankStr(code)) {
> String authURL = FaceBook.getAuthURL(code);
> URL url = new URL(authURL);
> try {
> String result = readURL(url);
> String accessToken = null;
> Integer expires = null;
> String[] pairs = result.split("&");
> for (String pair : pairs) {
> String[] kv = pair.split("=");
> if (kv.length != 2) {
> throw new RuntimeException("Unexpected auth
> response");
> } else {
> if (kv[0].equals("access_token")) {
> accessToken = kv[1];
> }
> if (kv[0].equals("expires")) {
> expires = Integer.valueOf(kv[1]);
> }
> }
> }
> if (accessToken != null && expires != null)
> {
> HttpSession ses = req.getSession();
> ses.setAttribute("authToken", accessToken);
>
>
> } else {
> throw new RuntimeException(
> "Access token and expires not found");
> }
> } catch (IOException e) {
> throw new RuntimeException(e);
> }
>
> }
> }
> private String readURL(URL url) throws IOException {
> ByteArrayOutputStream baos = new ByteArrayOutputStream();
> InputStream is = url.openStream();
> int r;
> while ((r = is.read()) != -1) {
> baos.write(r);
> }
> return new String(baos.toByteArray());
> }
>
> public void destroy() {
> }
> }
>
>
>
>
>
> In the doFilter method, I have done all the redirects required and gotten
> the authentication token(accesstoken). At this point, I store the value as
> an attribute to the httpSession which i have gotten by
> ServleteRequest.getSession();
>
> I want to acess this token in a wicket page class so that I use RestFB to
> create a FaceBook Client etc. This is what I have done in the wicket page
> class:
>
> HttpSession session = null;
>
> if (RequestCycle.get()!= null)
> session = ((WebRequest) RequestCycle.get().getRequest())
> .getHttpServletRequest().getSession();
>
> if (session != null) {
>
> System.out.print("################# AuthToken: "
> + session.getAttribute("authToken"));
>
> }
>
>
> However, this is the output I get and I am totally stuck:
>
> ################# AuthToken: null
>
>
> Where am i going wrong?
>
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