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# An implementation of the OpenID OAuth Extension
# Extension 1.0
# see: http://openid.net/specs/
require 'openid/extension'
module OpenID
module OAuth
NS_URI = "http://specs.openid.net/extensions/oauth/1.0"
# An OAuth token request, sent from a relying
# party to a provider
class Request < Extension
attr_accessor :consumer, :scope, :ns_alias, :ns_uri
def initialize(consumer=nil, scope=nil)
@ns_alias = 'oauth'
@ns_uri = NS_URI
@consumer = consumer
@scope = scope
end
def get_extension_args
ns_args = {}
ns_args['consumer'] = @consumer if @consumer
ns_args['scope'] = @scope if @scope
return ns_args
end
# Instantiate a Request object from the arguments in a
# checkid_* OpenID message
# return nil if the extension was not requested.
def self.from_openid_request(oid_req)
oauth_req = new
args = oid_req.message.get_args(NS_URI)
if args == {}
return nil
end
oauth_req.parse_extension_args(args)
return oauth_req
end
# Set the state of this request to be that expressed in these
# OAuth arguments
def parse_extension_args(args)
@consumer = args["consumer"]
@scope = args["scope"]
end
end
# A OAuth request token response, sent from a provider
# to a relying party
class Response < Extension
attr_accessor :request_token, :scope
def initialize(request_token=nil, scope=nil)
@ns_alias = 'oauth'
@ns_uri = NS_URI
@request_token = request_token
@scope = scope
end
# Create a Response object from an OpenID::Consumer::SuccessResponse
def self.from_success_response(success_response)
args = success_response.get_signed_ns(NS_URI)
return nil if args.nil?
oauth_resp = new
oauth_resp.parse_extension_args(args)
return oauth_resp
end
# parse the oauth request arguments into the
# internal state of this object
# if strict is specified, raise an exception when bad data is
# encountered
def parse_extension_args(args, strict=false)
@request_token = args["request_token"]
@scope = args["scope"]
end
def get_extension_args
ns_args = {}
ns_args['request_token'] = @request_token if @request_token
ns_args['scope'] = @scope if @scope
return ns_args
end
end
end
end
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