Class: CasClient::Filter

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

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Attribute Details

#client ⇒ Object

Returns the value of attribute client.



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# File 'lib/casclient.rb', line 21

def client
  @client
end

Class Method Details

.check_and_parse_xml(raw_xml) ⇒ Object 



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# File 'lib/casclient.rb', line 95

def check_and_parse_xml(raw_xml)

  begin
    doc = REXML::Document.new(raw_xml)
  end

  return doc.elements["cas:serviceResponse"].elements[1]
end

.filter(controller) ⇒ Object 



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# File 'lib/casclient.rb', line 30

def filter(controller)
  st=controller.params[:ticket]
  if st
    request=request_cas_response(return_address(controller,"validate",st))
    if check_and_parse_xml(request).name=="authenticationSuccess"
      controller.session[:user]=username(request)
      controller.session[:previously_redirect_to_cas]=Time.now
      controller.session[:last_valid_ticket]=st
    else
      redirect_to_cas(controller)
      puts "!!!Invalid ticket!!!"
    end
  else
    redirect_to_cas(controller)
    puts "!!!Not ticket!!!"
  end
end

.logout(controller, service) ⇒ Object 



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# File 'lib/casclient.rb', line 75

def logout(controller,service)
  controller.send(:reset_session)
  controller.params.delete(:ticket)
  return @@client.logout_url  + "?service=" + service
end

.redirect_to_cas(controller) ⇒ Object 



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# File 'lib/casclient.rb', line 53

def redirect_to_cas(controller)
  controller.send(:redirect_to,return_address(controller,"login"))
end

.request_cas_response(uri) ⇒ Object 



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# File 'lib/casclient.rb', line 82

def request_cas_response(uri)
  uri = URI.parse(uri)
  http = Net::HTTP.new(uri.host, uri.port)
  http.use_ssl = (uri.scheme == 'https')
  http.verify_mode = (@force_ssl_verification ? OpenSSL::SSL::VERIFY_PEER : OpenSSL::SSL::VERIFY_NONE)
  begin
    raw_res = http.start do |conn|
      conn.get("#{uri.path}?#{uri.query}")
    end
  end
  return raw_res.body
end

.return_address(controller, action, st = nil) ⇒ Object 



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# File 'lib/casclient.rb', line 61

def return_address(controller,action,st=nil)
  case action
    when "login"
      return @@client. + "?service=" + service_url(controller)
    when "logout"
      return @@client.logout_url + "?service=" + service_url(controller)
    when "validate"
      return @@client.validate_url + "?service=" + service_url(controller) + "&ticket=" + st
    else
      @@client.address

  end
end

.service_url(controller) ⇒ Object 



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# File 'lib/casclient.rb', line 57

def service_url(controller)
  controller.url_for(controller.params.dup)
end

.setup(config) ⇒ Object 



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# File 'lib/casclient.rb', line 25

def setup(config)
  @@config = config
  @@client=CasClient::CasClass.new(@@config)
end

.username(text) ⇒ Object 



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# File 'lib/casclient.rb', line 48

def username(text)
  check_and_parse_xml(text).elements["cas:user"].text.strip if check_and_parse_xml(text).elements["cas:user"]
end