Class: String

Inherits:
Object
  • Object
show all
Defined in:
lib/authlogic_connect/ext.rb

Overview

these are extensions I’ve found useful for this project

Instance Method Summary collapse

Instance Method Details

#normalize_identifier ⇒ Object

normalizes an OpenID according to openid.net/specs/openid-authentication-2_0.html#normalization



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# File 'lib/authlogic_connect/ext.rb', line 4

def normalize_identifier
  # clean up whitespace
  identifier = self.dup.strip

  # if an XRI has a prefix, strip it.
  identifier.gsub!(/xri:\/\//i, '')

  # dodge XRIs -- TODO: validate, don't just skip.
  unless ['=', '@', '+', '$', '!', '('].include?(identifier.at(0))
    # does it begin with http?  if not, add it.
    identifier = "http://#{identifier}" unless identifier =~ /^http/i

    # strip any fragments
    identifier.gsub!(/\#(.*)$/, '')

    begin
      uri = URI.parse(identifier)
      uri.scheme = uri.scheme.downcase  # URI should do this
      identifier = uri.normalize.to_s
    rescue URI::InvalidURIError
      raise InvalidOpenId.new("#{identifier} is not an OpenID identifier")
    end
  end

  return identifier
end