[rabbitmq-discuss] AS3 AMQP Library

Novak Joe joes.mailing.lists at gmail.com
Thu Sep 18 08:24:51 BST 2008

Hi again,
   So following up on my early post, and assuming I'm on the right
track here, I think the solution is probably pretty simple, and that
there is actually no need to serve anything directly from the port
that rabbitmq is running on.  Instead it is sufficient to host a
master socket policy on the adobe-specified socket-policy-request port

Explanation and some test examples:

Another socket policy server, which is claimed to be production grade:
Which I trawled from the internets via (response #10):

  Hopefully this is sufficient info to resolve the issue.  It still
remains for me to properly test it all.


2008/9/18 Novak Joe <joes.mailing.lists at gmail.com>:
> Hi,
>  I'm interested in this topic as well, although I'm focusing on the
> flex3+STOMP solution,
> http://flexonrails.net/?p=106
>  I was just about to ask a question in this same vein when I saw the
> below thread.  Now I wonder if my question, and the bit of research
> I've done pertaining to it, might have some relevance to yours.
>  In particular, adobe seems to have ratcheted up its crossdomain
> security requirements in flash9:
> http://www.adobe.com/devnet/flashplayer/articles/fplayer9_security.html
> http://www.adobe.com/devnet/flashplayer/articles/fplayer9_security_05.html
> http://www.adobe.com/devnet/flashplayer/articles/fplayer9_security_04.html
> This last is probably the most important
> http://www.adobe.com/devnet/articles/crossdomain_policy_file_spec.html
>  The bits related to socket policy files and xml socket are probably
> of the greatest relevance.
>   It seems that the latest players, whenever they try to initialize a
> new socket connection, first make request for a socket policy file,
> where this policy-file-request is 'just the root element of a single
> node xml document' that looks like:
> <policy-file-request/>
> http://www.adobe.com/devnet/articles/crossdomain_policy_file_spec.html#policy-file-request
>   If the socket doesn't serve a policy file, in reply to the initial
> policy-file-request, the flash app will not be able to establish a
> connection, leaving everyone involved rather unhappy.
>   So that brings me, in a round-about way, to the initial question I
> had prepared:
> Is rabbitmq provisioned in any way, either via one of its adapters, or
> the as3 client libraries (doubtful), to serve this socket policy file?
>  If it is not so equipped, what will need to be done to equip either
> rabbitmq, or in my case the STOMP adapter, with the ability to repsond
> properly to flash9 policy-file-requests?
>    Also, I apologize if I've completely missed the boat on this one!
>   Cheers,
>     Joe
>>> I was wondering if anyone on the mailing list is using the AS3-AMQP
>>> library in an application? I'm running into an issue where the client
>>> library cannot establish a connection to RabbitMQ on a Windows system
>>> using Flash 9 or above. I've spoken with Ben regarding the issue but
>>> he's already too spread thin as it is, so I'd like to begin my own
>>> investigation.
>>I think it's great that you're looking into this one - until now the
>>library hasn't been tested on Windows :-(
>>Although I have to prioritize some other Rabbit stuff (and my day
>>job), I will get around to looking at the issue hopefully within a
>>week, so don't despair if you don't make any headway.
>>At the same time I'll review your latest patches and apply them to the
>>main tree where appropriate.
> Ben

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