Support JSONP (JSON with Padding)
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Key: STANBOL-49
URL: https://issues.apache.org/jira/browse/STANBOL-49
Project: Stanbol
Issue Type: Improvement
Components: FISE
Reporter: Fabian Christ
Reported by [email protected], Jul 21, 2010
This makes it possible to access a remote FISE engine (such as
fise.demo.fise.com) by using JavaScript on a web page / on the client.
Otherwise a proxy is necessary on the server due to the "same origin policy"
See https://secure.wikimedia.org/wikipedia/en/wiki/JSON#JSONP
JSONP is a "standardized workaround" for cross-site scripting. It's simply not
possible to send a cross-site POST request from the browser.
So JSONP is a GET request with an extra callback parameter. For a FISE request
that means that all the content has to be packed into the url. This might
become a problem when the content becomes too long!
(http://www.boutell.com/newfaq/misc/urllength.html)
Right now the stateless enhancement endpoint of the FISE engine (/engine) only
supports POST requests.
So in order to support JSONP
- FISE has to support GET requests,
- an OSGi interceptor/plugin could take care of extending all JSON
(application/json, application/rdf+json, ...) GET requests with the capability
of handling JSONP.
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