Webfinger

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lookup(identifier, callback);

Perform a lookup on an acct: uri identifier and return a JSON representation of the resource XRD.

Example:

var Ostatus = require('ostatus');
Ostatus.webfinger.lookup("acct:eschnou@identi.ca", function(err, result) {
  console.log(util.inspect(result));
};

Will output:

{ 
  subject: 'acct:eschnou@identi.ca',
  alias: 
   [ 'http://identi.ca/user/16106',
     'http://identi.ca/eschnou' ],
  links: 
   [ { href: 'http://identi.ca/eschnou',
       type: 'text/html',
       rel: 'http://webfinger.net/rel/profile-page' },
     { href: 'http://identi.ca/eschnou/hcard',
       type: 'text/html',
       rel: 'http://microformats.org/profile/hcard' }
   ]
}