Breaking The Cross Domain Barrier

Breaking The Cross Domain Barrier ,[object Object]

A Story... ,[object Object],[object Object],[object Object]

Same Origin Policy ,[object Object],[object Object]

Same Origin Policy It’s actually an important rule. You wouldn’t want to have this happen:

YEA BUT WHAT IF... ,[object Object],[object Object],[object Object]

<RecordScratch.wav> ,[object Object],[object Object],[object Object]

Some Options ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Post Message ,[object Object],[object Object]

Post Message ,[object Object],[object Object],[object Object],[object Object],What’s it good for?

Post Message Works In... ,[object Object],[object Object],[object Object],[object Object],[object Object]

JSONEN JavaScript Object Notation Except Not **Formerly JSONP

JSON ,[object Object],[object Object],[object Object]

JSONP - Why it’s special ,[object Object],[object Object]

How JSONP Works ,[object Object]

How JSONP Works ,[object Object],hint-hint

JSONP Is Good For... ,[object Object],[object Object],[object Object],[object Object]

CORS | Tap the Rockies ,[object Object]

CORS - From the Server... ,[object Object],[object Object]

CORS - Compatibility ,[object Object],[object Object],[object Object],[object Object],Unrelated Graph

CORS - What’s it Good For? ,[object Object],[object Object],[object Object],[object Object],[object Object]

Document.domain Hackz ,[object Object],[object Object],[object Object],[object Object]

Window.name HI! I’m Jerry the Window!

Window.name ,[object Object],[object Object],**This is obviously a little simplified Added to Dojo 2 years ago: http://bugs.dojotoolkit.org/ticket/6893

Server Side Proxies ,[object Object],mySite yourSite myServer http://benalman.com/projects/php-simple-proxy/ Works everywhere XHR does

Crazy iFrame Hacks ,[object Object],[object Object],[object Object],FACTS

Crazy iFrame Hacks ,[object Object],a.com b.com a.com

Crazy iFrame Hacks ,[object Object],a.com b.com a.com Change the url hash on the innermost iframe to the message /#secret

Crazy iFrame Hacks ,[object Object],a.com b.com a.com Have the top level frame read the message on the hash /#secret

Crazy iFrame Hacks ,[object Object],[object Object],[object Object],How to know when to receive data Fast (where it works)

Crazy iFrame Hacks ,[object Object],[object Object]

Best of both worlds? ,[object Object],A library that will use postMessage first and then a series of different techniques based on which browser you use, but with normalized syntax. http://easyxdm.net/

Best of Both Worlds? ,[object Object],http://flxhr.flensed.com/

What about cookies? ,[object Object],[object Object]

What about cookies in Safari? ,[object Object],[object Object]

What about cookies in Safari? If we post to an iframe it will thank us by sending cookies http://anantgarg.com/2010/02/18/cross-domain-cookies-in-safari/

Why Cookies? ,[object Object],TotallyNotTrackingYou.com Other Sites Holds your unique cookie

Lessons ,[object Object],[object Object],[object Object]

Thanks! ,[object Object],[object Object],[object Object],[object Object],[object Object]

Breaking The Cross Domain Barrier

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Breaking The Cross Domain Barrier