[JDEV] OOB filetransfer negotiation

[Chris Chen]

http://docs.jabber.org/proto/

Look for the two links to the OOB stuff..

Chris

At 01:06 AM 8/11/2001, you wrote:
>Hello everyone,
>
>I'm trying to figure out how exactly file-transfers get negotiated.
>WinJab seems to use an <iq> with namespace "jabber:iq:oob" containing the
>URL of the file.
>
>Example:
><iq type='set' to='cbas at localhost/Home' from='winjab at localhost/WinJab'>
>   <query xmlns='jabber:iq:oob'>
>     <url>http://127.0.0.1:5600/foo.html</url>
>   </query>
></iq>
>(Note that there is no "id" information in the <iq /> element.)
>
>Now cbas at localhost/Home will receive the filetransfer request.
>cbas is asked by his client software if he wants to download.
>- If he chooses to do so, his client starts the HTTP transfer without
>further ado. WinJab is supposed to realise the download has started and stop
>displaying the filerequest dialog, which looks "clumsy" to me but it could
>work.
>- If cbas chooses not to download, what must his client do? Nothing? That
>doesn't seem like a nice thing to do because winjab will still be waiting on
>the other end of the line.
>
>I noticed that the WinJab software sends a deny-notification like so:
><iq to="cbas at localhost/Home" type="error" id="file_37113969196">
>   <error code="406">Refusing File Send</error>
></iq>
>(Note the seemingly random "id" in the <iq /> element)
>
>Is this documented anywhere?
>The Protocol Overview (section 1.6.9) shows an <iq /> element with namespace
>"jabber:iq:oob" and an "id" property like most message or iq elements. Why
>does WinJab not use this? Why is the ID not used to confirm or deny the
>filetransfer request?
>
>I would appreciate any comments, suggestions or answers and I'm sure other
>people have had problems with this aswell.
>
>Thanks in advance,
>Sebastiaan
>
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