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From "Huebel, Jens" <>
Subject Re: CMIS Bridge
Date Fri, 11 May 2012 10:40:54 GMT
I think this would be a very useful tool in out projectŠ



On 11.05.12 12:38, "Florian Müller" <> wrote:

> Hi all,
> We have built something that we would like to contribute to OpenCMIS.
> We have called it the CMIS Bridge.
> The CMIS Bridge acts like a proxy between a CMIS client and a CMIS
> repository. This proxy can intercept CMIS requests and manipulate the
> data that goes in and out.
> Here are a few use cases for the CMIS Bridge:
> - Binding changes. For example, a repository with a broken Web Services
> binding implementation can use the bridge to accept Web Services calls
> and turn them into AtomPub calls. And vice versa, of course.
> - Repositories that don't implement the browser binding yet can use it
> as a quick way to provide the browser binding.
> - The bridge can also host a web application that uses the browser
> binding without the hassle of dealing with the same-origin policy in web
> browsers.
> - It can be used as a repository filter. It may only allow access to a
> few but not all repositories that a server exposes.
> - The bridge may handle authentication mechanisms that the target
> repository cannot handle. The combination of the browser binding and
> OAuth comes to mind.
> - Objects and properties can be hidden and virtual objects and
> properties can be added on the fly.
> - Objects can be enriched on the fly. For example, when a client
> uploads a MP3 file the bridge can extract the MP3 metadata and adds them
> before the object is created on the target repository.
> - Folder structures and templates can be created on the fly.
> - It can be used in protect a repository. For example, the repository
> could run behind a firewall and the bridge resides in the DMZ.
> There are probably many more use cases.
> The current implementation is quite basic. It works, but there is a lot
> of room for improvement and optimization. This is something we want to
> do over the next weeks and months.
> Are there any objections to add this to OpenCMIS?
> Thanks,
> Florian

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