Open Stack

Hi Nick,

I did some work with CORS a few months back [1].

At the time I couldn't get any browser to work properly with CORS so I
just parked the code. The problem was lack of support for the
Access-Control-Expose-Headers header.

According to the Chrome bug report [2] this issue may well be fixed
now so I need to retest.

Adrian

[1] http://www.mail-archive.com/openstack@lists.launchpad.net/msg07219.html
[2] http://code.google.com/p/chromium/issues/detail?id=87338


On 23 April 2012 06:19, Nick Lothian <nick.lothian at gmail.com> wrote:
> Hi,
>
> I've been playing with the Nova APIs from Javascript, and I've run into a
> problem.
>
> The very first thing one needs to do to use the APIs is to get a token.
>
> That requires a POST to the API endpoint. Using curl & trystack that looks
> like this:
>
> $ curl -k -X 'POST' -v https://nova-api.trystack.org:5443/v2.0/tokens -d
> '{"auth":{"passwordCredentials":{"username": "<username>",
> "password":"<password>"}}}' -H 'Content-type: application/json'
>
>
> The Javascript equivalent (using JQuery) is:
>
>     $.ajax({
>         url: "https://nova-api.trystack.org:5443/v2.0/tokens",
>         type: 'POST',
>         headers: {"Content-Type": "application/json"},
>         data:  {"auth":{"passwordCredentials":{"username":"<username>",
> "password":"<password>"}}},
>         success: function(data) { alert(data); }
>     });
>
> That fails because the call is cross-domain, and Nova doesn't support CORS
> (http://en.wikipedia.org/wiki/Cross-origin_resource_sharing). <script> based
> cross-domain requests only supports GET requests, so that doesn't work
> either.
>
> I have raised a bug: https://bugs.launchpad.net/nova/+bug/987044, but I'm
> really hoping someone can point out something obvious I'm missing here.
>
> Regards
>   Nick Lothian
>
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