Class: OAuth::Client::Helper

Inherits:
Object
  • Object
show all
Includes:
Helper
Defined in:
lib/oauth/client/helper.rb

Instance Method Summary collapse

Methods included from Helper

#escape, #generate_key, #generate_timestamp, #normalize, #parse_header, #unescape

Constructor Details

#initialize(request, options = {}) ⇒ Helper

Returns a new instance of Helper.



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# File 'lib/oauth/client/helper.rb', line 12

def initialize(request, options = {})
  @request = request
  @options = options
  @options[:signature_method] ||= 'HMAC-SHA1'
end

Instance Method Details

#amend_user_agent_header(headers) ⇒ Object 



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# File 'lib/oauth/client/helper.rb', line 58

def amend_user_agent_header(headers)
  @oauth_ua_string ||= "OAuth gem v#{OAuth::VERSION}"
  if headers['User-Agent']
    headers['User-Agent'] += " (#{@oauth_ua_string})"
  else
    headers['User-Agent'] = @oauth_ua_string
  end
end

#header ⇒ Object 



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# File 'lib/oauth/client/helper.rb', line 67

def header
  parameters = oauth_parameters
  parameters.merge!('oauth_signature' => signature(options.merge(:parameters => parameters)))

  header_params_str = parameters.map { |k,v| "#{k}=\"#{escape(v)}\"" }.join(', ')

  realm = "realm=\"#{options[:realm]}\", " if options[:realm]
  "OAuth #{realm}#{header_params_str}"
end

#nonce ⇒ Object 



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# File 'lib/oauth/client/helper.rb', line 22

def nonce
  options[:nonce] ||= generate_key
end

#oauth_parameters ⇒ Object 



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# File 'lib/oauth/client/helper.rb', line 30

def oauth_parameters
  {
    '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')
  }.reject { |k,v| v.to_s == "" }
end

#options ⇒ Object 



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# File 'lib/oauth/client/helper.rb', line 18

def options
  @options
end

#parameters ⇒ Object 



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# File 'lib/oauth/client/helper.rb', line 77

def parameters
  OAuth::RequestProxy.proxy(@request).parameters
end

#parameters_with_oauth ⇒ Object 



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# File 'lib/oauth/client/helper.rb', line 81

def parameters_with_oauth
  oauth_parameters.merge(parameters)
end

#signature(extra_options = {}) ⇒ Object 



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# File 'lib/oauth/client/helper.rb', line 43

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

#signature_base_string(extra_options = {}) ⇒ Object 



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# File 'lib/oauth/client/helper.rb', line 51

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

#timestamp ⇒ Object 



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# File 'lib/oauth/client/helper.rb', line 26

def timestamp
  options[:timestamp] ||= generate_timestamp
end