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 sinc...
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...
Webfinger enhances OpenID
Homepage
                                        Achewood Profile
 Name
             OpenID              Salmon Endpoint

...
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:/...
http://www.google.com/s2/webfinger/?q=acct:kprojection@gmail.com

   <?xml version='1.0'?>
   <XRD xmlns='http://docs.oasi...
require 'redfinger'

me = Redfinger.finger 'kprojection@gmail.com'

me.open_id.first.to_s
# => "http://www.google.com/prof...
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...




...
Post on Cliqset
See reply on Status.net
Will this confuse people?
OpenID Connect
   Proposal for OpenID built on OAuth 2

Works with emails using Webfinger (sort of)




Image by Chris Mes...
Will regular people go for this?
Thank you.
  And thanks to:

   Brad Fitzpatrick
   Chris Messina
    John Panzer
   DeWitt Clinton
    (many more)
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Webfinger: Personal Web Discovery

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Webfinger: Personal Web Discovery

  1. Webfinger: Personal Web Discovery Made for Ignite Railsconf 2010 by Eric Mill
  2. $ 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
  3. Problem: OpenID is hard.
  4. Email > URL If only we could query email addresses...
  5. 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
  6. Webfinger enhances OpenID
  7. Homepage Achewood Profile Name OpenID Salmon Endpoint john@doe.com Avatar Facebook Public Key The film, "Avatar" Twitter Primary email Flickr
  8. A bit like Twitter Annotations Image taken from Marcel Molina's Warblecamp talk "Annotations"
  9. Early Adopters
  10. 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>
  11. 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>
  12. 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"
  13. acct: ?
  14. acct: ! name@scope acct:klondike@twitter.com acct:ericmill@facebook.com acct:konklone@flickr.com
  15. "Bridging The Islands" Google I/O 2010 OpenID, OAuth, Portable Contacts, ActivityStrea.ms, Salmon... Cross-Site Replies: Webfinger + Salmon
  16. Post on Cliqset
  17. See reply on Status.net
  18. Will this confuse people?
  19. 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
  20. Will regular people go for this?
  21. Thank you. And thanks to: Brad Fitzpatrick Chris Messina John Panzer DeWitt Clinton (many more)

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