On Wed, 2008-07-02 at 11:59 +0200, Quintin Beukes wrote:
> Hey,
>
> Due to our search engine for one of our sites being hosted on a
> separate domain, we can't do AJAX requests to the original domain.
> This isn't much of a problem, as I figured I'd just use HttpClient to
> make a servlet which is a proxy to the Apache server.
>
> So... to ensure session state is still maintained, which is a
> requirement, I will just proxy the cookies the client sends me as
> well.
>
> I made the following method (the connection manager and parameters are
> final static members of the class):
>
> private HttpEntity proxyRequest(String baseUrl, String
> getParameters, Cookie[] cookies) throws Exception
> {
> DefaultHttpClient httpClient = new DefaultHttpClient(connManager,
> httpParams);
> HttpContext context = new
> BasicHttpContext(httpClient.getDefaultContext());
> HttpGet request = new HttpGet(baseUrl + basketUri);
> CookieStore cookieStore = httpClient.getCookieStore();
>
> for (Cookie c : cookies)
> {
> BasicClientCookie newCookie = new BasicClientCookie(c.getName(),
> c.getValue());
> newCookie.setDomain(c.getDomain());
> newCookie.setPath(c.getPath());
> newCookie.setComment(c.getComment());
> if (c.getMaxAge() > 0)
> {
> long expiryTime = new Date().getTime() + c.getMaxAge();
> newCookie.setExpiryDate(new Date(expiryTime));
> }
> cookieStore.addCookie(newCookie);
> }
>
> HttpResponse response = httpClient.execute(request, context);
> HttpEntity entity = response.getEntity();
>
> if (entity == null)
> {
> throw new NoHttpResponseException("Basket request failed to
> return a response.");
> }
>
> return entity;
> }
>
> The Cookie[] I pass in, is an array of cookies are received by
> HttpServletRequest.getCookies().
>
> I stepped the code, and the addCookie() method is definitely being
> called. When recieving the response on the other side, I make a dump
> of all received cookies to the output. This output is received by
> HttpClient and returned to the servlet's output stream.
>
> Then what I'm getting is a dump of "0" cookies. So the request is
> successful, but the cookies added to the store is not being sent to
> the client.
>
> Can anyone see what I'm doing wrong?
>
Quintin,
Adding cookies to the cookie store is just a part of the story. A cookie
need to match the origin server in order to be included in subsequent
HTTP requests. Apparently there is something wrong with the domain or
the expiry date.
Take a look at the RequestAddCookies protocol interceptor
Hope this helps
Oleg
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