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OpenAJAX Looks to Tighten Mashup Security


By Jeff Feinman
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October 1, 2007 —  In the midst of all the activity at September’s AJAX World in Santa Clara, a prominent AJAX body was hard at work laying out initiatives for secure mashups and stronger IDE support.

The OpenAJAX Alliance announced OpenAJAX Hub version 1.1, a small JavaScript library that allows multiple AJAX toolkits to work together on the same page. The new hub will support secure mashups and enable client/server messaging. The alliance expects to deliver both a specification and a commercial-quality open source implementation.

The key problem with keeping mashups secure, according to David Boloker, CTO of emerging technologies at IBM and a founder of the alliance, is that they come from multiple domains. Hub 1.1 is a way to secure the mashups that come in by isolating them into what he called “secure sandboxes.” The plan is to have mashups use OpenAJAX Hub’s publish-and-subscribe features to achieve mediated cross-component messaging.

Boloker said the OpenAJAX Alliance started a discussion of mashup security a long time ago, and an OpenAJAX task force is focused on the subject.

“There’s a blending of ideas in the [area] of security and how to allow multiple widgets on a Web page to communicate with one another,” he said. “If you think about it, a mashup is someone else’s JavaScript coming in onto your page, and if you do that in a pub-sub manner and everyone is communicating, you can secure the mashup. That’s where the security task force and OpenAJAX Hub 1.1 are coming from.”

The alliance has also released a new white paper, titled “AJAX and Mashup Security,” which summarizes the ways in which AJAX applications could be attacked and provides a set of best practice techniques to address each of the vulnerability areas. The white paper is available at www.openajax.org.

According to Boloker, the alliance is starting to spread its wings, and has many activities taking place. It has formed the Mobile AJAX committee, which will focus on both educational materials and technical standards. There is a workgroup concentrating on AJAX IDEs, looking to find the best way to integrate AJAX components with IDEs.

The OpenAJAX Alliance was formed in late 2005, and members include Google, IBM, Laszlo, Microsoft, Mozilla, Novell, Oracle and Yahoo. It is focused on creating interoperability between AJAX frameworks.




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