why do we need Phproxy?

[Cameron Wong]

Excuse me, Jeff.

I don't quite understand the role of Phproxy in Webanywhere. Can WA
work without the proxy? Shouldn't this proxy increase the traffic of
WA server?

Thanks!

Cameron

[Jeffrey P. Bigham]

Hi Cameron,

Without the proxy, the WebAnywhere Javascript would not have access to the content that is loaded due to th same origin policy.

This would prevent code at webanywhere.cs.washington.edu from accessing content at google.com, for instance, which it needs to do to parse the DOM and figure out what to read.

You're right that it increases server traffic, but we don't have a solution that doesn't require installing software.

-Jeff

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Jeffrey P. Bigham, Ph.D.
Department of Computer Science
University of Rochester
http://www.jeffreybigham.com

Creator of WebAnywhere:
http://webanywhere.cs.washington.edu