Module: Stratagem::Crawler::Authentication

Includes:
TraceUtils
Included in:
Session
Defined in:
lib/stratagem/crawler/authentication.rb

Instance Method Summary collapse

Methods included from TraceUtils

#model_invocations_for_request

Instance Method Details

#authenticate(user, recursion_count = 0) ⇒ Object 



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# File 'lib/stratagem/crawler/authentication.rb', line 40

def authenticate(user, recursion_count=0)
  reset_authentication

  (user)
  route = application_model.routes.recognize(request.path, :post)

  redirected_to = nil
  page = site_model.add(route, controller, request, response) {|redirect_url| redirected_to = redirect_url }
  authentication.response_page = page

  begin
    if (request.url == (redirected_to || '')) || (![200,302].include?(response.code.to_i))
      authentication.success = false
    else
      authentication.success = authentication.response_page..nil?
    end
  rescue
    puts $!.message
    puts $!.backtrace
  end

  puts "authenticated? #{authentication.success}"
  if (response && authentication.success)
    authentication.ssl = request.ssl?
    authentication.authenticated_with = user
    yield 
    logout
  else
    puts response.body
    false
  end
end

#authentication ⇒ Object 



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# File 'lib/stratagem/crawler/authentication.rb', line 32

def authentication
  unless @authentication_data
    @authentication_data = AuthenticationData.new()
    site_model.authentication = @authentication_data
  end
  @authentication_data
end

#find_login_form ⇒ Object 



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# File 'lib/stratagem/crawler/authentication.rb', line 73

def 
  puts "finding login form"
  if authentication..nil?
    puts "locating login page"
    puts "testing #{site_models.first.pages.size} pages"
    possibilities = site_models.first.pages.select {|page| page. != nil }
    possibilities.sort! {|a,b| b.inbound_edges(:redirect).size <=> a.inbound_edges(:redirect).size }

    # if the first page has one or more redirects to it then use it; otherwise select with page with the fewest inputs
    if (possibilities.first.inbound_edges(:redirect).size > 0)
      return possibilities.first
    else
      page = possibilities.sort {|a,b| a..inputs.size <=> b..inputs.size }.first
      if (page)
        authentication. = page
        return page
      end
    end
  else
    return authentication.
  end
  nil
end

#guess_login_model(attr_names) ⇒ Object 



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# File 'lib/stratagem/crawler/authentication.rb', line 108

def (attr_names)
  selections = application_model.models.select {|model|
    puts "#{model.klass.name} - #{model.model_attributes.keys.inspect}"
    intersect = (model.model_attributes.keys & attr_names)
    intersect.size > 0
  }.sort {|a,b|
    a_intersect = (a.model_attributes.keys & attr_names)
    b_intersect = (b.model_attributes.keys & attr_names)
    b_intersect.size <=> a_intersect.size
  }
  
  explicit_model = application_model.models.find {|model| model.klass.name == 'User' }
  selections.unshift explicit_model if explicit_model
  
  puts "selecting model #{selections.first.klass.name} for authentication" if (selections.size > 0)
  selections.first
end

#login(user) ⇒ Object 



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# File 'lib/stratagem/crawler/authentication.rb', line 101

def (user)
  (user).submit {|action,params| 
    p params
    post(action, params)
  }
end

#logout ⇒ Object 



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# File 'lib/stratagem/crawler/authentication.rb', line 97

def logout
  reset!
end

#populate_login_form(user) ⇒ Object 



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# File 'lib/stratagem/crawler/authentication.rb', line 127

def (user)
  # set up the form
  page = 
  page.reload {|url| get url; [request,response] }
  form = page.

  # map the input values
  form.inputs.each do |input|
    # try the expected
    attribute_name = input.guess_attribute.to_sym
    attribute_value = user.stratagem.read_mock_attribute(attribute_name) || input.value

    # try again
    if (attribute_value.nil? || attribute_value == '')
      attribute_name = input.guess_alternate_attribute.to_sym
      attribute_value = user.stratagem.read_mock_attribute(attribute_name) || input.value
    end

    # if it still failed is it a confirmation value? if so, try the original
    if (attribute_value.nil? || attribute_value == '')
      if (attribute_name.to_s =~ /confirm/)
        possible_match = attribute_name.to_s.split('_').select {|a| a !~ /confirm/ }.join('_')
        if user.stratagem.mock_attributes.keys.include?(possible_match)
          attribute_value = user.stratagem.read_mock_attribute(possible_match) || input.value
        end
      end
    end
    

    if (input.kind_of? Stratagem::Crawler::Toggle)
      input.check
    elsif (user.stratagem.mock_attributes.keys.include?(attribute_name))
      input.value = user.stratagem.read_mock_attribute(attribute_name) unless input.hidden?
    elsif (attribute_name.to_s == 'authenticity_token')
      puts input.value
    else
      puts user.stratagem.mock_attributes.inspect
      puts "ERROR: Cannot find attribute #{attribute_name} in model #{user.class.name}"
    end
  end
  form
end

#reset_authentication ⇒ Object 



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# File 'lib/stratagem/crawler/authentication.rb', line 28

def reset_authentication
  @authentication_data = nil
end

#users ⇒ Object 



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# File 'lib/stratagem/crawler/authentication.rb', line 10

def users
  page = 
  users = []
  if (page)
    form = page.
    attr_names = form.inputs.map {|input| input.guess_attribute.to_sym }
    model = (attr_names)
    if (model)
      users = aquifer.instances_of(model.klass)
    else
      log "ERROR: Unable to determine user model"
    end
  else
    log "ERROR: Could not find login form"
  end
  users
end