[Fiware-finodex-coaching] Problems with PEP Proxy and Orion Context Broker

[Pasquale Vitale]

Hi all,
Carlos has this problem in this project.
could you suggest some things?

Thank you in advance,
Pasquale

Il 01/07/2015 10:25, Carlos Corrales ha scritto:
> Hi Finodex Fiware team,
>
> We meet last week in Trento, and I told you some issues we had while 
> implementing PEP Proxy + Orion Context Broker.
> The main problem we are having was that we want to subscribe an user 
> to changes in a sensor value that is stored in Orion. To secure the 
> access, we included a security module composed by PEP Proxy (Wilma), 
> IdM (Keyrock) and Authorization PDP (AuthZForce). We are able to query 
> context and receive the value in the user side, but we are not able to 
> make the changes get to the users when they are not requesting them 
> directly.
> In Orion Context Broker, there is an option to subscribe to different 
> events. We are able to subscribe the user but, when there is a change 
> and Orion tries to notify the user, this notification dies in the PEP 
> Proxy. We tried contacting Alvaro Alonso (aalonsog at dit.upm.es 
> <mailto:aalonsog at dit.upm.es>), which is the Wilma PEP Proxy developer, 
> and he told us that PEP Proxy is only able to create connections in 
> one direction, meaning that if the user starts the communication, the 
> answers will be able to get the user, but it is not possible to do it 
> in case the one that starts the communication is Orion. We are 
> thinking about sending queries periodically to Orion to check if there 
> was any alert, but we are not sure if you have any suggestion for us, 
> because we are a little bit lost here.
>
> Best regards
> -- 
> Carlos Corrales
> Cofounder Secmotic Innovation S.L.
> http://www.secmotic.com
>
>
>
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