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@marcel
Created December 19, 2009 06:49
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module Twurl
class OAuthClient
class << self
def rcfile(reload = false)
if reload || @rcfile.nil?
@rcfile = RCFile.new
end
@rcfile
end
def load_from_options(options)
if rcfile.has_oauth_profile_for_username_with_consumer_key?(options.username, options.consumer_key)
load_client_for_username_and_consumer_key(options.username, options.consumer_key)
else
options.username ? load_new_client_from_options(options) : load_default_client
end
end
def load_client_for_username_and_consumer_key(username, consumer_key)
user_profiles = rcfile[username]
if user_profiles && attributes = user_profiles[consumer_key]
new(attributes)
else
raise Exception, "No profile for #{username}"
end
end
def load_client_for_username(username)
if user_profiles = rcfile[username]
if user_profiles.values.size == 1
new(user_profiles.values.first)
else
raise Exception, "There is more than one consumer key associated with #{username}. Please specify which consumer key you want as well."
end
else
raise Exception, "No profile for #{username}"
end
end
def load_new_client_from_options(options)
new(options.oauth_client_options.merge('password' => options.password))
end
def load_default_client
raise Exception, "You must authorize first" unless rcfile.default_profile
load_client_for_username_and_consumer_key(*rcfile.default_profile)
end
end
OAUTH_CLIENT_OPTIONS = %w[username consumer_key consumer_secret token secret]
attr_reader *OAUTH_CLIENT_OPTIONS
attr_reader :password
def initialize(options = {})
@username = options['username']
@password = options['password']
@consumer_key = options['consumer_key']
@consumer_secret = options['consumer_secret']
@token = options['token']
@secret = options['secret']
configure_http!
end
[:get, :post, :put, :delete, :options, :head, :copy].each do |request_method|
class_eval(<<-EVAL, __FILE__, __LINE__)
def #{request_method}(url, options = {})
# configure_http!
access_token.#{request_method}(url, options)
end
EVAL
end
def perform_request_from_options(options)
send(options.request_method, options.path, options.data)
end
def exchange_credentials_for_access_token
response = consumer.token_request(:post, consumer.access_token_path, nil, {}, client_auth_parameters)
@token = response[:oauth_token]
@secret = response[:oauth_token_secret]
end
def client_auth_parameters
{:x_auth_username => username, :x_auth_password => password, :x_auth_mode => 'client_auth'}
end
def authorized?
oauth_response = access_token.get('/1/account/verify_credentials.json')
oauth_response.class == Net::HTTPOK
end
def needs_to_authorize?
token.nil? || secret.nil?
end
def save
self.class.rcfile << self
end
def to_hash
OAUTH_CLIENT_OPTIONS.inject({}) do |hash, attribute|
if value = send(attribute)
hash[attribute] = value
end
hash
end
end
def configure_http!
consumer.http.set_debug_output(Twurl.options.debug_output_io) if Twurl.options.trace
if Twurl.options.ssl?
consumer.http.use_ssl = true
consumer.http.verify_mode = OpenSSL::SSL::VERIFY_NONE
end
end
def consumer
@consumer ||=
begin
consumer = OAuth::Consumer.new(
consumer_key,
consumer_secret,
:site => Twurl.options.base_url
)
consumer
end
end
def access_token
@access_token ||= OAuth::AccessToken.new(consumer, token, secret)
end
end
end
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