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HomeHomeDNN Open Source...DNN Open Source...Module ForumsModule ForumsIFrameIFrameAutosizing and domainsAutosizing and domains
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6/20/2008 9:34 AM
 
Phil Biggs


www.chord9.co.uk
Joined: 1/31/2006
Posts: 170

Hi,

The core Iframe module evidently requires that the framed URL is within the same domain as the host page for autosizing to work. Does anyone know if it should work in the case that the host page is on www.domain.com and the remote page is on a subdomain i.e. mysubdomain.domain.com?

I've tried such a setup but the autosizing doesn't work.

Would also like to understand while framing across domains is such a problem as regards autosizing.

Ta.
 
New Post
6/20/2008 10:04 AM
 
Vitaly Kozadayev


Joined: 12/11/2003
Posts: 1112

It has nothing to do with Core module, specifically - it's a cross-domain browser security. The security policy considers domain to be the same only if it's the same verbatum, i.e. www.mydomain.com vs mydomain.com are not the same domain for that purpose.

DOM has a property, however, on a document object, that can be explicitly set to allow cross-domain (more exactly, cross-subdomain) access: it is called "domain".

See this (MSDN) and this (Mozilla)

Vitaly Kozadayev
Principal
Viva Portals, L.L.C.
 
New Post
6/20/2008 3:31 PM
 
Phil Biggs


www.chord9.co.uk
Joined: 1/31/2006
Posts: 170

Thanks for the reply Vitaly - I'll check out the links

Phil
 
New Post
6/20/2008 3:46 PM
 
Vitaly Kozadayev


Joined: 12/11/2003
Posts: 1112

No problem.

I would imagine, that setting document.domain to your website's domain name should happen before IFrame fires the Autosize function.

Vitaly Kozadayev
Principal
Viva Portals, L.L.C.
 
New Post
6/30/2008 6:21 AM
 
Phil Biggs


www.chord9.co.uk
Joined: 1/31/2006
Posts: 170

Hi Vitaly...how do I go about setting the document.domain?...Does it mean getting into the VB of the module itself or are you saying it can be set in the document that is to be iframed?

Phil
 
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