Class: OpenID::AX::FetchResponse

Inherits:
KeyValueMessage show all
Defined in:
lib/openid/extensions/ax.rb

Overview

A fetch_response attribute exchange message

Constant Summary

Constants inherited from AXMessage

AXMessage::NS_URI

Instance Attribute Summary collapse

Attributes inherited from KeyValueMessage

#data

Attributes inherited from AXMessage

#mode, #ns_alias, #ns_uri

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from KeyValueMessage

#[], #_get_extension_kv_args, #add_value, #count, #get, #get_single, #set_values

Methods inherited from Extension

#to_message

Constructor Details

#initialize(update_url = nil) ⇒ FetchResponse

Returns a new instance of FetchResponse.



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# File 'lib/openid/extensions/ax.rb', line 403

def initialize(update_url = nil)
  super()
  @mode = "fetch_response"
  @update_url = update_url
  @aliases = NamespaceMap.new
end

Instance Attribute Details

#aliases ⇒ Object

Use the aliases variable to manually add alias names in the response. They’ll be returned to the client in the format:

openid.ax.type.email=http://openid.net/schema/contact/internet/email
openid.ax.value.email=guy@example.com



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# File 'lib/openid/extensions/ax.rb', line 401

def aliases
  @aliases
end

#update_url ⇒ Object (readonly)

Returns the value of attribute update_url.



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# File 'lib/openid/extensions/ax.rb', line 396

def update_url
  @update_url
end

Class Method Details

.from_success_response(success_response, signed = true) ⇒ Object

Construct a FetchResponse object from an OpenID library SuccessResponse object.



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# File 'lib/openid/extensions/ax.rb', line 470

def self.from_success_response(success_response, signed = true)
  obj = new
  ax_args = if signed
    success_response.get_signed_ns(obj.ns_uri)
  else
    success_response.message.get_args(obj.ns_uri)
  end

  begin
    obj.parse_extension_args(ax_args)
    obj
  rescue Error
    nil
  end
end

Instance Method Details

#get_extension_args(request = nil) ⇒ Object

Serialize this object into arguments in the attribute exchange namespace Takes an optional FetchRequest. If specified, the response will be validated against this request, and empty responses for requested fields with no data will be sent.



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# File 'lib/openid/extensions/ax.rb', line 415

def get_extension_args(request = nil)
  zero_value_types = []

  if request
    # Validate the data in the context of the request (the
    # same attributes should be present in each, and the
    # counts in the response must be no more than the counts
    # in the request)
    @data.keys.each do |type_uri|
      unless request.member?(type_uri)
        raise IndexError, "Response attribute not present in request: #{type_uri.inspect}"
      end
    end

    request.attributes.each do |attr_info|
      # Copy the aliases from the request so that reading
      # the response in light of the request is easier
      if attr_info.ns_alias.nil?
        @aliases.add(attr_info.type_uri)
      else
        @aliases.add_alias(attr_info.type_uri, attr_info.ns_alias)
      end
      values = @data[attr_info.type_uri]
      zero_value_types << attr_info if values.empty? # @data defaults to []

      if attr_info.count != UNLIMITED_VALUES and attr_info.count < values.size
        raise Error, "More than the number of requested values were specified for #{attr_info.type_uri.inspect}"
      end
    end
  end

  kv_args = _get_extension_kv_args(@aliases)

  # Add the KV args into the response with the args that are
  # unique to the fetch_response
  ax_args = new_args

  zero_value_types.each do |attr_info|
    name = @aliases.get_alias(attr_info.type_uri)
    kv_args["type." + name] = attr_info.type_uri
    kv_args["count." + name] = "0"
  end
  update_url = (request and request.update_url or @update_url)
  ax_args["update_url"] = update_url unless update_url.nil?
  ax_args.update(kv_args)
  ax_args
end

#parse_extension_args(ax_args) ⇒ Object 



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# File 'lib/openid/extensions/ax.rb', line 463

def parse_extension_args(ax_args)
  super
  @update_url = ax_args["update_url"]
end