Camel-olingo2 and CSRF Token

[Marcus Messer <Ma...@kewill.com>]

Hello everyone,

I implemented a spring boot based odata service, this service adds an CSRF Token as header value in the response message. This works as expected.
But i could not find a solution to retrieve that token, when accessing the service with the camel-olingo2 api.
For example:
from("direct:createDeclaration")
    .process(p-> {
        p.getIn().setBody(createPropertyMapFromBody(p.getIn().getBody()));
    })
    .to("olingo2://create/DeclarationSet")
    .log("CREATE: ${body}");
This will generate 2 requests to the service. At first a 'GET' request for the '$metadata', where the CSRF Token is returned from the service. And then this will generate a 'POST' request to submit the Entity to the odata service. And here i could not find a solution to grab the the token from the 'GET' request to put it into the 'olingoconfiguration.httpHeaders'.
Currently i am thinking of:
change the camel source code accordingly to provide the response headers. (only if there is no other solution)
Use an Aspect to retrieve the Token. (Not a nice approach)
But maybe i missed something here and you guys can point me in the right direction?


i already asked that question here:
http://stackoverflow.com/questions/38454141/camel-olingo2-and-csrf-token

But I think, to ask my question here might be better.. ;)

Best Regards and thanks in advance
Marcus

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