Joseph-Smarr-Plaxo-OSCON-2006

Cross-Site Ajax Challenges and Techniques for Building Rich Web 2.0 Mashups Joseph Smarr Plaxo, Inc. [email_address]

The promise of mashups ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Talking between web components ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Domain B XML / Web Page XHR Image CSS JavaScript

How do mashups communicate? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Server-side proxy Web Page Domain A Server Domain A Server Domain B

How do mashups communicate? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Flash proxy Web Page Domain A Server Domain B Flash crossdomain.xml

JSON-P Web Page Domain A Server Domain B <script> JSON + callback

Using JSON-P in OO web apps ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Dynamically binding a global callback ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Summary of cross-site techniques so far ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

What about updating another web page? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

What does the partner site have to do? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

What does Plaxo have to do? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

zazzle.com/email_this plaxo.com/ab_chooser plaxo.com/ab_chooser Iframe: zazzle.com/cb.html  Script: plaxo.com/ab_chooser/abc_comm.jsdyn

Who’s using the Plaxo widget? ,[object Object],[object Object]

Generalizing the JavaScript Wormhole ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

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

Where do we go from here? ,[object Object],[object Object]

Where do we go from here? ,[object Object],[object Object],[object Object]

Should we open cross-domain XHR? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Trust relationships between sites ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Restricting access to unauthorized info ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Proposals for better cross-site tools ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

In conclusion… ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

For further reading… ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Joseph-Smarr-Plaxo-OSCON-2006

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Joseph-Smarr-Plaxo-OSCON-2006