Created
December 1, 2010 01:56
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OmniAuth strategy for a custom provider
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# config/initializers/omniauth.rb | |
module OmniAuth | |
module Strategies | |
# tell OmniAuth to load our strategy | |
autoload :Pixelation, 'lib/pixelation_strategy' | |
end | |
end | |
Rails.application.config.middleware.use OmniAuth::Builder do | |
provider :twitter, "app_name", "secret" | |
provider :facebook, "app_name", "secret", :scope => '' | |
# pass the 2 parameters to the constructor | |
provider :pixelation, "secret", "redirect URL" | |
end |
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# lib/pixelation_strategy.rb | |
require 'omniauth/core' | |
module OmniAuth | |
module Strategies | |
class Pixelation | |
include OmniAuth::Strategy | |
# receive parameters from the strategy declaration and save them | |
def initialize(app, secret, auth_redirect, options = {}) | |
@secret = secret | |
@auth_redirect = auth_redirect | |
super(app, :pixelation, options) | |
end | |
# redirect to the Pixelation website | |
def request_phase | |
r = Rack::Response.new | |
r.redirect @auth_redirect | |
r.finish | |
end | |
def callback_phase | |
uid, username, avatar, token = request.params["uid"], request.params["username"], request.params["avatar"], request.params["token"] | |
sha1 = Digest::SHA1.hexdigest("a mix of #{@secret}, #{uid}, #{username}, #{avatar}") | |
# check if the request comes from Pixelation or not | |
if sha1 == token | |
@uid, @username, @avatar = uid, username, avatar | |
# OmniAuth takes care of the rest | |
super | |
else | |
# OmniAuth takes care of the rest | |
fail!(:invalid_credentials) | |
end | |
end | |
# normalize user's data according to http://github.com/intridea/omniauth/wiki/Auth-Hash-Schema | |
def auth_hash | |
OmniAuth::Utils.deep_merge(super(), { | |
'uid' => @uid, | |
'user_info' => { | |
'name' => @username, | |
'nickname' => @username, | |
'image' => @avatar | |
} | |
}) | |
end | |
end | |
end | |
end |
i did d same as above u mentioned bt when i hit my apllication's URL i m getting error as undefined method `call' for #<Pixelation
??????
How can I test this strategy?
???
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Do we have to get avatar in every oauth2 ? Or this is just an option ?