At IPC2k7: WebDAV will come over you... - Blog - Open Source - - php, photography and private stuff

At IPC2k7: WebDAV will come over you...

The new semester has right begun, which basically means that the semester vacation as it was named earlier (now the lesson free time) is over. While that meant a lot of exams and work on the book for Kore and me at first, we had time for some vacation and finally to take care about a brand new eZ Components project:


Starting by the end of August we spent almost whole September full-time on designing and implementing this component. The goal was to design a flexible WebDAV server component, which can be used to edit whatever data source on an HTTP server through the WebDAV extension of the protocol, with the full lot of concerns in mind.

Who ever read RFC 2518 or even had a slight glance at it, might have noticed its quality. To state it plainly: It's bullshit. Inconsistencies, spongy phrases and un-logical behaviour definition wherever you look. No wonder, that almost every client behaves slightly differnet, so the first major concern was, that we did not now how clients would expect us to react.

Webdav component architecture - Click to enlarge

The result of the design phase included a custom summarization of the RFC including many other issues we stumbled over and is is a 3 level architecture for the component (as seen in the illustration). The 3 levels incorporate a lot of flexible configuration and adjustment possibilities, as well as a plugin API to realize the many extensions for WebDAV. We are currently working on the necessary client adjustments. While a lot of clients already work, Kore is on reverse engineering the M$ clients constantly, while I'm currently working on the first plugin: Locking.

If you would like to know more about this component and see it in action, come and visit my talk at the International PHP Conference 2007. The family meeting will as usual take place in Mörfelden (near Frankfurt am Main, Germany) from November 4th to 7th. We plan to have an alpha release of the component soon, so I believe you can right forward try it out at the conference and give us feedback.

Looking forward to see you all! :)

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