You'll need to install the 'openid' gem for this, and require it in
your camping app:
class Login < R '/login'
def get
this_url = 'http:' + URL('/login').to_s
unless input.finish.to_s == '1'
# start doing the auth here
begin
oid_request = OpenID::Consumer.new(@state,
nil).begin(input.openid_identity)
oid_request.return_to_args['finish'] = '1'
redirect(oid_request.redirect_url('http:' +
URL('/').to_s, this_url))
rescue OpenID::DiscoveryFailure
return 'Couldn\'t find an OpenID at that address, are you
sure it is one?'
end
else
# finish the auth here
response = OpenID::Consumer.new(@state,
nil).complete(input, this_url)
case response.status
when OpenID::Consumer::SUCCESS
@state.identity = response.identity_url.to_s
return redirect(R(HomeScreen))
when OpenID::Consumer::FAILURE
'The OpenID thing doesn\'t think you really are that
person, they said: ' + response.message
end
end
end
end
Then just point a form at /login with an input by the name of
openid_identifier, and you have yourself some auth! It will set
@state.identity to their OpenID URL. Using this you can auth people
with existing aol, lifejournal, yahoo accounts, and a lot of littler
openid provider's too. It could sure use some upgrades in the error
reporting department, which you could hook up to your own error pages
or whatever. I'll be using this in an app which doesn't use any
relational databases, just file system storage. You'll probably want
to change the 'return redirect(R(HomeScreen))' line near the end to
some page in your app that logged in user's go to before you take this
online too. :)
Public Domain.
–
Jenna
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