Maurice de Chateau [
https://community.jboss.org/people/MohReece] created the discussion
"Re: Problem with jbpm-console (business-central) in BRMS server"
To view the discussion, visit:
https://community.jboss.org/message/796892#796892
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Hi Jose,
Maybe not the answer to the question you're asking, but it may be one that addresses
your problem: you can access the Business Central REST API, but it's a little
'tricky' to getting around the form authentication to get there.
When you first access the API with e.g. the Apache DefaultHttpClient, the response will
contain the HTML containing the form. Upon that response, you need to POST the
credentials:
final DefaultHttpClient httpClient = new DefaultHttpClient();
final String url = BUSINESS_CENTRAL_REST_BASE_URL + RESOURCE_PATH +
"/j_security_check";
final List<NameValuePair> formParms = new ArrayList<NameValuePair>();
formParms.add(new BasicNameValuePair("j_username",
BUSINESS_CENTRAL_USER_NAME));
formParms.add(new BasicNameValuePair("j_password",
BUSINESS_CENTRAL_PASSWORD));
String responseString = null;
try {
final HttpPost httpPost = new HttpPost(url);
httpPost.setEntity(new UrlEncodedFormEntity(formParms, "UTF-8"));
final HttpResponse response = httpClient.execute(httpPost);
responseString = EntityUtils.toString(response.getEntity());
EntityUtils.consume(response.getEntity());
} catch (final Exception e) {
e.printStackTrace();
}
When this returns with an HTTP 200 response you can retry your original request - which
should succeed.
Basically, this is the same scenario that a browser goes through in the case of form
authentication. Now one can certainly argue that this kind of authentication doesn't
belong on a (true) REST interface, as it relies on server state (you only log in once per
session, and the server remembers your credentials for that session) which goes against
REST's principle of stateless-ness. But I guess for now we just have to make do with
the implementation the Business Central server is providing us...
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