Module: Selenium::EmulatedFeatures::ResponseHeaders

Included in:
WebDriver::Driver
Defined in:
lib/selenium/emulated_features/response_headers.rb

Instance Method Summary collapse

Instance Method Details

#response_headers ⇒ Object 



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# File 'lib/selenium/emulated_features/response_headers.rb', line 4

def response_headers
dom_str = execute_script "  if(document.SEF && document.SEF.request) {\n    return document.SEF.request.getAllResponseHeaders();\n  }\n\n  var baseURI = document.baseURI;\n\n  /* Firefox */\n  if(/about:neterror/.test(baseURI)) {\n    return null;\n  }\n\n  /* Safari */\n  if(/Safari.app/.test(baseURI)) {\n    return null;\n  }\n\n  /* Chrome */\n  if(/chromewebdata/.test(baseURI)) {\n    return null;\n  }\n\n  document.SEF = {};\n  document.SEF.request = new XMLHttpRequest();\n\n  document.SEF.request.open(\"GET\", document.location, false);\n  document.SEF.request.send(null);\n  return document.SEF.request.getAllResponseHeaders();\n"

if !dom_str
  if Selenium::EmulatedFeatures.raise_exceptions
    raise Selenium::EmulatedFeatures::Error
  else
    return nil
  end
end

dom_str.split("\n").inject({}) do |headers, line|
  field, value = line.split(": ")
  headers.merge({ field.downcase => [value.strip] })
end

# PhantomJS, Firefox
rescue Selenium::WebDriver::Error::UnknownError,
       Selenium::WebDriver::Error::JavascriptError
  if Selenium::EmulatedFeatures.raise_exceptions
    raise Selenium::EmulatedFeatures::Error
  else
    nil
  end
end