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require 'oauth/client'
require 'oauth/consumer'
require 'oauth/helper'
require 'oauth/token'
require 'oauth/signature/hmac/sha1'
module OAuth::Client
class Helper
include OAuth::Helper
def initialize(request, options = {})
@request = request
@options = options
@options[:signature_method] ||= 'HMAC-SHA1'
end
def options
@options
end
def nonce
options[:nonce] ||= generate_key
end
def timestamp
options[:timestamp] ||= generate_timestamp
end
def oauth_parameters
{
'oauth_body_hash' => options[:body_hash],
'oauth_callback' => options[:oauth_callback],
'oauth_consumer_key' => options[:consumer].key,
'oauth_token' => options[:token] ? options[:token].token : '',
'oauth_signature_method' => options[:signature_method],
'oauth_timestamp' => timestamp,
'oauth_nonce' => nonce,
'oauth_verifier' => options[:oauth_verifier],
'oauth_version' => (options[:oauth_version] || '1.0'),
'oauth_session_handle' => options[:oauth_session_handle]
}.reject { |k,v| v.to_s == "" }
end
def signature(extra_options = {})
OAuth::Signature.sign(@request, { :uri => options[:request_uri],
:consumer => options[:consumer],
:token => options[:token],
:unsigned_parameters => options[:unsigned_parameters]
}.merge(extra_options) )
end
def signature_base_string(extra_options = {})
OAuth::Signature.signature_base_string(@request, { :uri => options[:request_uri],
:consumer => options[:consumer],
:token => options[:token],
:parameters => oauth_parameters}.merge(extra_options) )
end
def token_request?
@options[:token_request].eql?(true)
end
def hash_body
@options[:body_hash] = OAuth::Signature.body_hash(@request, :parameters => oauth_parameters)
end
def amend_user_agent_header(headers)
@oauth_ua_string ||= "OAuth gem v#{OAuth::VERSION}"
# Net::HTTP in 1.9 appends Ruby
if headers['User-Agent'] && headers['User-Agent'] != 'Ruby'
headers['User-Agent'] += " (#{@oauth_ua_string})"
else
headers['User-Agent'] = @oauth_ua_string
end
end
def header
parameters = oauth_parameters
parameters.merge!('oauth_signature' => signature(options.merge(:parameters => parameters)))
header_params_str = parameters.sort.map { |k,v| "#{k}=\"#{escape(v)}\"" }.join(', ')
realm = "realm=\"#{options[:realm]}\", " if options[:realm]
"OAuth #{realm}#{header_params_str}"
end
def parameters
OAuth::RequestProxy.proxy(@request).parameters
end
def parameters_with_oauth
oauth_parameters.merge(parameters)
end
end
end
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