Hi, I thought I would put together a simple "cookbook" on how to add GEOLOC
XEP-0080 support to a client. Hopefully it will help someone else out. If
anyone sees any problems with the steps below, please let me know. BTW, I am
not sure why Step 1 is needed since Step 2 advertises the same capabilities.
STEPS TO ADD GEOLOC SUPPORT:
1) Client should respond to iq query http://jabber.org/protocol/disco#info with
a stanza like: <iq type='result'...><<query
xmlns='http://jabber.org/protocol/disco#info'><feature
var='http://jabber.org/geoloc'/><feature var='http://jabber.org/geoloc+notify'/>
2) Client should add <c> stanza to presence stanza with the proper "ver"
attribute indicating geoloc support. The "ver" attribute is a SHA-1 hash of a
string like:"client/pc//fooclient
1.0<http://jabber.org/protcol/geoloc<http://jabber.org/protcol/geoloc+notify<"
The stanza looks something like:
<presence from='[EMAIL PROTECTED]/orchard'> <c
xmlns='http://jabber.org/protocol/caps' hash='sha-1'
node='http://www.chatopus.com'
ver='zHyEOgxTrkpSdGcQKH8EFPLsriY='/></presence>
3) When location changes the client publishes its new location:
<iq type='set' from='[EMAIL PROTECTED]/pda' id='publish1'> <pubsub
xmlns='http://jabber.org/protocol/pubsub'> <publish
node='http://jabber.org/protocol/geoloc'> <item> <geoloc
xmlns='http://jabber.org/protocol/geoloc' xml:lang='en'>
<country>Italy</country> <lat>45.44</lat>
<locality>Venice</locality> <lon>12.33</lon> </geoloc>
</item> </publish> </pubsub></iq>
4) Subscribers will receive:<message from='[EMAIL PROTECTED]'
to='[EMAIL PROTECTED]'> <event
xmlns='http://jabber.org/protocol/pubsub#event'> <items
node='http://jabber.org/protocol/geoloc'> <item
id='d81a52b8-0f9c-11dc-9bc8-001143d5d5db'> <geoloc
xmlns='http://jabber.org/protocol/geoloc' xml:lang='en'>
<country>Italy</country> <lat>45.44</lat>
<locality>Venice</locality> <lon>12.33</lon> </geoloc>
</item> </items> </event></message>
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