Webfinger: Personal Web Discovery

Webfinger: Personal Web Discovery Made for Ignite Railsconf 2010 by Eric Mill

$ finger eric@example.com Login: eric Name: Eric Mill On since Mon May 31 20:22 (EDT) 23 minutes 8 seconds idle On since Mon May 31 20:44 (EDT) No mail. Plan: READING RAINBOW

Problem: OpenID is hard.

Email > URL If only we could query email addresses...

john @ doe.com 1. Ask http://doe.com about john@doe.com 2. Get back lots of public data about John 3. Find John's OpenID somewhere in it 4. Log John right in

Webfinger enhances OpenID

Homepage Achewood Profile Name OpenID Salmon Endpoint john@doe.com Avatar Facebook Public Key The film, "Avatar" Twitter Primary email Flickr

A bit like Twitter Annotations Image taken from Marcel Molina's Warblecamp talk "Annotations"

Early Adopters

kprojection@gmail.com http://gmail.com/.well-known/host-meta <?xml version='1.0' encoding='UTF-8'?> <XRD xmlns='http://docs.oasis-open.org/ns/xri/xrd-1.0' xmlns:hm='http://host-meta.net/xrd/1.0'> <Link rel='lrdd' template='http://www.google.com/s2/webfinger/?q={uri}'> <Title>Resource Descriptor</Title> </Link> </XRD>

http://www.google.com/s2/webfinger/?q=acct:kprojection@gmail.com <?xml version='1.0'?> <XRD xmlns='http://docs.oasis-open.org/ns/xri/xrd-1.0'> <Subject>acct:kprojection@gmail.com</Subject> <Alias>http://www.google.com/profiles/kprojection</Alias> <Link rel='http://portablecontacts.net/spec/1.0#me' href='http://www-opensocial. googleusercontent.com/api/people/105820544165373224801/'/>a <Link rel='http://microformats.org/profile/hcard' href='http://www.google. com/profiles/kprojection' type='text/html'/> <Link rel='http://specs.openid.net/auth/2.0/provider' href='http://www.google. com/profiles/kprojection'/> <Link rel='describedby' href='http://www.google.com/profiles/kprojection' type='text/html'/> </XRD>

require 'redfinger' me = Redfinger.finger 'kprojection@gmail.com' me.open_id.first.to_s # => "http://www.google.com/profiles/kprojection" require 'mofo' hcard = hCard.find(me.hcard.first.to_s) hcard.fn # => "Eric Mill"

acct: ?

acct: ! name@scope acct:klondike@twitter.com acct:ericmill@facebook.com acct:konklone@flickr.com

"Bridging The Islands" Google I/O 2010 OpenID, OAuth, Portable Contacts, ActivityStrea.ms, Salmon... Cross-Site Replies: Webfinger + Salmon

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Will this confuse people?

OpenID Connect Proposal for OpenID built on OAuth 2 Works with emails using Webfinger (sort of) Image by Chris Messina, from Flickr, licensed under CC by-nc-sa

Will regular people go for this?

Thank you. And thanks to: Brad Fitzpatrick Chris Messina John Panzer DeWitt Clinton (many more)

Webfinger: Personal Web Discovery

by Klondike on Jun 11, 2010

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