[whatwg] Proposal: location.parentOrigin

Ian Hickson ian at hixie.ch
Thu Apr 5 11:07:05 PDT 2012

On Wed, 4 Apr 2012, Michal Zalewski wrote:
> In fact, in the vein of opt-in disclosure perhaps something like 
> discloselocation={none|origin|full} would be more convenient - in which 
> case, you get something like 
> window.parentLocations[n].{origin|href|hash|...}
> I constantly fear that origin scoping for security mechanisms is too 
> coarse-grained in many use cases, because the complexity of what lives 
> in any single origin is growing pretty rapidly. Sites put 
> attacker-controlled content inside framed gadgets or advertisements, and 
> can't be reasonably expected to understand that if such a frame is 
> navigated to in a particular way, it may circumvent an origin-scoped 
> check.

Tab suggests (on IRC) that this should just be tied to sandbox="", which 
seems reasonable at first blush.

Ian Hickson               U+1047E                )\._.,--....,'``.    fL
http://ln.hixie.ch/       U+263A                /,   _.. \   _\  ;`._ ,.
Things that are impossible just take longer.   `._.-(,_..'--(,_..'`-.;.'

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