Class: CookieExtractor::BrowserDetector

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

Constant Summary collapse 

{
  "chrome" => "~/.config/google-chrome/Default/Cookies",
  "chromium" => "~/.config/chromium/Default/Cookies",
  "firefox" => "~/.mozilla/firefox/*.default/cookies.sqlite"
}

Class Method Summary collapse

Class Method Details

.browser_extractor(browser) ⇒ Object

Open a browser’s cookie file using intelligent guesswork

Raises:



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# File 'lib/cookie_extractor/browser_detector.rb', line 30

def self.browser_extractor(browser)
  raise InvalidBrowserNameException, "Browser must be one of: #{self.supported_browsers.join(', ')}" unless self.supported_browsers.include?(browser)
  paths = Dir.glob(File.expand_path(COOKIE_LOCATIONS[browser]))
  if paths.length < 1 or not File.exists?(paths.first)
    raise NoCookieFileFoundException, "File #{paths.first} does not exist!"
  end
  self.new_extractor(paths.first)
end

.detect_browser(db_filename) ⇒ Object 



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# File 'lib/cookie_extractor/browser_detector.rb', line 52

def self.detect_browser(db_filename)
  db = SQLite3::Database.new(db_filename)
  browser = 
    if has_table?(db, 'moz_cookies')
      'Firefox'
    elsif has_table?(db, 'cookies')
      'Chrome'
    end
  db.close
  browser
end

.guess ⇒ Object

Returns the extractor of the most recently used browser’s cookies

or raise NoCookieFileFoundException if there are no cookies

Raises:



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# File 'lib/cookie_extractor/browser_detector.rb', line 15

def self.guess
  most_recently_used_detected_browsers.each { |browser, path|
    begin
      extractor = self.browser_extractor(browser)
    rescue BrowserNotDetectedException, NoCookieFileFoundException
      # better try the next one...
    else
      return extractor
    end
  }
  # If we make it here, we've failed...
  raise NoCookieFileFoundException, "Couldn't find any browser's cookies"
end

.has_table?(db, table_name) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/cookie_extractor/browser_detector.rb', line 64

def self.has_table?(db, table_name)
  db.table_info(table_name).size > 0
end

.new_extractor(db_filename) ⇒ Object 



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# File 'lib/cookie_extractor/browser_detector.rb', line 39

def self.new_extractor(db_filename)
  browser = detect_browser(db_filename)
  if browser
    CookieExtractor.const_get("#{browser}CookieExtractor").new(db_filename)
  else
    raise BrowserNotDetectedException, "Could not detect browser type."
  end
end

.supported_browsers ⇒ Object 



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# File 'lib/cookie_extractor/browser_detector.rb', line 48

def self.supported_browsers
  COOKIE_LOCATIONS.keys
end