Allow parameter adaption when requesting data from the container
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Key: SHINDIG-379
URL: https://issues.apache.org/jira/browse/SHINDIG-379
Project: Shindig
Issue Type: New Feature
Components: Gadget Rendering Server (Java)
Reporter: Henning Schmiedehausen
Attachments: security-decoder.patch
The current Shindig code base allows only a single parameter (the secure token)
to be passed from the javascript to the GadgetDataServlet. This is hard coded
in the GadgetDataServlet::doPost method by pulling the st parameter from the
HttpRequestObject and then calling createResponse with this parameter.
In our specific environment, we need to pass multiple parameters, mainly
because we want to treat the security token as completely opaque to the Java
container because our social data is stored per domain and we have
implementations of the various service interfaces that know how to access these
stores. So we just hand out the token that was created per domain to the
stores. To select a store, we need one additional parameter, namely the domain
to select the store.
The attached patch adds an adapter to the GadgetDataServlet, that allows
passing of an arbitrary set of parameters. There is a default implementation
which transfers the secure token and the request parameter (just as the hard
coded implementation did). This gave us enough flexibility to pass additional
parameters to the createResponse method.
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