Class: BlackStack::BrowserFactory

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

Constant Summary collapse

LOCKING_FILENAME =

manejo de concurrencia en la creación de browsers

BlackStack::MyProcess.macaddress
PROFILE_PID_LIST_FILENAME =

manejo de concurrencia en la creación de browsers

"./browserfactory.%PRFILE_NAME%.list"
PROFILE_PID_LOCK_FILENAME =

manejo de concurrencia en la creación de browsers

"./browserfactory.%PRFILE_NAME%.lock"
CHROME_EXTENSION_DIRECTORY = 
File.absolute_path('./chrome_extension')
DEFAULT_LOAD_TIMEOUT = 
360
DEFAULT_CHROMEDRIVER_PATH = 
'./chromedriver.exe'
TYPE_PHANTOMJS =

discontinued!

0
TYPE_FIREFOX = 
1
TYPE_CHROME = 
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TYPE_MIMIC = 
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@@fd = 
File.open(LOCKING_FILENAME,"w")
@@fd_profile = 
nil
@@driver = 
nil
@@browser = 
nil
@@pid = 
nil
@@profile_name = 
nil
@@type = 
nil
@@arAgents =

NOTA: esta lista debe estar permitida por LinkedIn. De caso contrario, aparecera el mensaje “Upgrad your browser” Se puede obtener una lista actualizada de este sitio: techblog.willshouse.com/2012/01/03/most-common-user-agents/

[
"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.100 Safari/537.36",
"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.100 Safari/537.36",  
"Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:56.0) Gecko/20100101 Firefox/56.0",
"Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.100 Safari/537.36",
"Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:56.0) Gecko/20100101 Firefox/56.0",
"Mozilla/5.0 (Windows NT 6.1; WOW64; Trident/7.0; rv:11.0) like Gecko",
"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/52.0.2743.116 Safari/537.36 Edge/15.15063", 
]

Class Method Summary collapse

Class Method Details

.addPidToProfileList(profile_name, pid) ⇒ Object 



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# File 'lib/browserfactory.rb', line 256

def self.addPidToProfileList(profile_name, pid)
  fname = PROFILE_PID_LIST_FILENAME.gsub('%PRFILE_NAME%', profile_name)
  f = File.open(fname, 'a')
  f.write("#{pid},")
  f.close
end

.agents ⇒ Object 



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# File 'lib/browserfactory.rb', line 339

def self.agents()
  return @@arAgents
end

.browser ⇒ Object 



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# File 'lib/browserfactory.rb', line 302

def self.browser()
  @@browser
end

.chrome(h) ⇒ Object 



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# File 'lib/browserfactory.rb', line 439

def self.chrome(h)
  # TODO: check if h is a hash

  # TODO: check the variable type of each param

  # TODO: check mandatory params 

  self.launch_chrome(
    h[:proxy], 
    h[:load_timeout].nil? ? DEFAULT_LOAD_TIMEOUT : h[:load_timeout], 
    h[:user_agent],
    h[:profile_name],
    h[:chromedriver_path],
    h[:chromedriver_signature]
  )
end

.chrome_version ⇒ Object 



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# File 'lib/browserfactory.rb', line 422

def self.chrome_version
  res = `reg query \"HKEY_CURRENT_USER\\Software\\Google\\Chrome\\BLBeacon\" /v version`.scan(/REG_SZ    (.*)$/).first
  return nil if res.nil?
  return res[0] if res.size > 0
  return nil
end

.chromedriver_version(filename = nil) ⇒ Object 



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# File 'lib/browserfactory.rb', line 430

def self.chromedriver_version(filename=nil)
  res = `chromedriver -v`.scan(/ChromeDriver\s(.*)\s\(/).first if filename.nil?
  res = `#{filename} -v`.scan(/ChromeDriver\s(.*)\s\(/).first if !filename.nil?
  return nil if res.nil?
  return res[0] if res.size > 0
  return nil
end

.destroy ⇒ Object 



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# File 'lib/browserfactory.rb', line 380

def self.destroy()
  if @@type == BlackStack::BrowserFactory::TYPE_CHROME
    self.lockProfileList()
    self.readPidToProfileList(@@profile_name).each { |pid|
      MyProcess.kill(pid)
      self.removePidToProfileList(@@profile_name, pid)      
    }
    self.releaseProfileList()
    begin
      @@browser.close if !@@browser.nil?
    rescue => e
      # 

    end
  elsif @@type == BlackStack::BrowserFactory::TYPE_MIMIC
    @@browser.close if !@@browser.nil?
    begin
      BlackStack::BrowserFactory.mimic(@@profile_name)
    rescue
      # nothing here

    end
    i = 0
    max = 3
    success = false
    while i<max && !success
      i+=1
      url = "http://127.0.0.1:#{BlackStack::StealthBrowserAutomation::Multilogin::mla_local_port}/api/v1/profile/stop?profileId=#{@@profile_name}"
      uri = URI.parse(url)
      body = Net::HTTP.get(uri)
      res = JSON.parse(body)
      success = true if res['status'].to_s == 'OK'
    end # while i<max

    raise 'Error requesting Mimic to stop (tried #{i.to_s} times)' if !success
  end
  # reseteo las variables    

  @@browser = nil
  @@pid = nil
  @@profile_name = nil
  @@driver = nil
  @@type = nil
end

.getPid ⇒ Object 



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# File 'lib/browserfactory.rb', line 343

def self.getPid()
  return @@pid
end

.isCreated ⇒ Object 



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# File 'lib/browserfactory.rb', line 347

def self.isCreated()
  if (self.readPidToProfileList(@@profile_name).size>0)
    return true
  end
  if (@@browser != nil)
    return true
  end
  
  return false
end

.isCreated? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/browserfactory.rb', line 358

def self.isCreated?
  self.isCreated()
end

.launch_chrome(proxy = nil, load_timeout = DEFAULT_LOAD_TIMEOUT, user_agent = nil, profile_name = nil, chromedriver_path = nil, chromedriver_signature = nil) ⇒ Object 



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# File 'lib/browserfactory.rb', line 523

def self.launch_chrome(proxy=nil, load_timeout=DEFAULT_LOAD_TIMEOUT, user_agent=nil, profile_name=nil, chromedriver_path=nil, chromedriver_signature=nil)
  #

  @@browser = nil
  @@driver = nil
  @@type = BlackStack::BrowserFactory::TYPE_CHROME
  @@profile_name = profile_name

  #

  fname = PROFILE_PID_LOCK_FILENAME.gsub('%PRFILE_NAME%', @@profile_name)
  @@fd_profile = File.open(fname,"w")
  
  # 

  agent = @@arAgents[0] if user_agent.nil?
  agent = user_agent if !user_agent.nil?
  
  # #959 - valido que el parametro agents sea un array - porque si se pasa un string se lo procesa como array y se toma un UA name de un char.

  #raise "Array expected in parameter agents in BrowserFactory.create." if !(agent.is_a? String) 

  
  # 

  while (@@browser == nil)            
    
    # Levantar el flag de reserva a mi favor

    self.lock()
    
    begin
      client = Selenium::WebDriver::Remote::Http::Default.new
      begin
        client.read_timeout = load_timeout # for newest selenium webdriver version 

      rescue => e
        client.timeout = load_timeout # deprecated in newest selenium webdriver version

      end
  
      # se agregan extensiones por el issue #1171

      #

      # UPDATE: Las extensiones en JavaScript para eliminar rastros, dejan rastros en si mismas.

      # 

      switches = ["lang=en", "--log-level=3", "--user-agent=#{agent}", "disable-infobars", "load-extension=#{File.absolute_path('./chrome_extension')}"]
  
      # 

      if (profile_name!=nil)
            
        # issue #964

        filename = "chrome_profiles/#{profile_name}/#{profile_name}/Default/Preferences"
        if ( File.file?(filename) == true )
          File.delete(filename)
        end
  
        # issue #964

        filename = "chrome_profiles/#{profile_name}/#{profile_name}/Local State"
        if ( File.file?(filename) == true )
          File.delete(filename)
        end
            
        # configuro el browser para que use este perfil

        switches += ["--user-data-dir=chrome_profiles/#{profile_name}/#{profile_name}"]
            
      end
          
      if (proxy!=nil)
        switches += proxy.chrome_switches
      end
  
      self.lockProfileList()
  
      begin

        Selenium::WebDriver::Chrome.driver_path = chromedriver_path if !chromedriver_path.nil?
        Selenium::WebDriver::Chrome.driver_path = DEFAULT_CHROMEDRIVER_PATH if chromedriver_path.nil?
        
        @@driver = Selenium::WebDriver.for :chrome, :switches => switches
        bridge = @@driver.instance_variable_get(:@bridge)
        service = bridge.instance_variable_get(:@service)
        process = service.instance_variable_get(:@process)
        @@pid = process.pid.to_s # es el PID del chromedriver

        @@driver.manage.window().maximize()
        @@browser = PampaBrowser.new(@@driver)
        @@browser.proxy = proxy.clone if !proxy.nil?    
        @@browser.agent_name = agent
        @@browser.profile_name = profile_name
        self.updateProfileList              
      rescue => e
        p1 = PROCESS.list().select { |p| p[:ppid] == PROCESS.pid && p[:executablepath] =~ /chromedriver(.*)\.exe/ }.first
        if (p1 != nil)
          @@pid = p1[:pid]
          self.updateProfileList              
        end              
        self.releaseProfileList()
        raise e
      end
      self.releaseProfileList()
        
      # Liberar el flag de reserva de creacion del browser

      self.release()
  
    # 

    rescue => e # TODO: Se atrapa una expecion porque sigue ocurreiendo el error reportado en el issue #134 y #129

      # Liberar el flag de reserva de creacion del browser

      self.release()
  
      # disparar la exepcion

      raise e          
    end                  
  end # while

  
  #

  @@browser
end

.lock ⇒ Object 



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# File 'lib/browserfactory.rb', line 372

def self.lock()
  @@fd.flock(File::LOCK_EX)
end

.lockProfileList ⇒ Object 



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# File 'lib/browserfactory.rb', line 306

def self.lockProfileList()
  #    @@fd_profile.flock(File::LOCK_EX)

end

.mimic(mimic_profile_id) ⇒ Object 



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# File 'lib/browserfactory.rb', line 453

def self.mimic(mimic_profile_id)
  begin
    # Levantar el flag de reserva a mi favor

    self.lock()
  
    @@type = BlackStack::BrowserFactory::TYPE_MIMIC
    @@profile_name = mimic_profile_id
    url_2 = nil
    i = 0
    max = 3
    while (i<max && url_2.nil?)
      i += 1

      url = "http://127.0.0.1:#{BlackStack::StealthBrowserAutomation::Multilogin::mla_local_port}/api/v1/profile/start?automation=true&profileId=#{@@profile_name}"
      uri = URI.parse(url)
      body = Net::HTTP.get(uri)
      res = JSON.parse(body)

      if !res.has_key?('status')
        if i>=max
          self.release() # libero el flag de reserva de turno para crar un browser

          raise "Error requesting Mimic to start (try #{i.to_s}): #{res.to_s}"
        end
      elsif res['status'] != 'OK'
        if i>=max
          self.release() # libero el flag de reserva de turno para crar un browser

          raise "Error requesting Mimic to start (try #{i.to_s}): #{res.to_s}"
        end
      else
        url_2 = res['value']
      end # if !res.has_key?('status')

    end # while

  
    if !url_2.nil?
      #uri_2 = URI.parse(url_2)

      #req_2 = Net::HTTP::Get.new(url_2)

      #res_2 = Net::HTTP.start(uri_2.host, uri_2.port, :use_ssl => true, :verify_mode => OpenSSL::SSL::VERIFY_NONE) {|http|

      #  http.request(req_2)

      #}        

      @@driver = Selenium::WebDriver.for(:remote, :url => url_2)
      #bridge = @@driver.instance_variable_get(:@bridge)

      #service = bridge.instance_variable_get(:@service)

      #process = service.instance_variable_get(:@process)

      #@@pid = process.pid.to_s # es el PID del chromedriver

      @@driver.manage.window().maximize()
      @@browser = PampaBrowser.new(@@driver) # Watir::Browser.new(@@driver)

      self.updateProfileList
    end

  rescue => e
    p1 = PROCESS.list().select { |p| p[:ppid] == PROCESS.pid && p[:executablepath] =~ /chromedriver(.*)\.exe/ }.first
    if !p1.nil?
      @@pid = p1[:pid]
      self.updateProfileList              
    end              
    self.releaseProfileList()
    raise e
  end
  
  # 

  self.releaseProfileList()
        
  # libero el flag de reserva de turno para crar un browser

  self.release() 
  
  # 

  @@browser
end

.readPidToProfileList(profile_name) ⇒ Object 



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# File 'lib/browserfactory.rb', line 272

def self.readPidToProfileList(profile_name)
  if (profile_name != nil)
    fname = PROFILE_PID_LIST_FILENAME.gsub('%PRFILE_NAME%', profile_name)
    s = File.read(fname)
    return s.split(",")
  else
    return []
  end
end

.release ⇒ Object 



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# File 'lib/browserfactory.rb', line 376

def self.release()
  @@fd.flock(File::LOCK_UN)
end

.releaseProfileList ⇒ Object 



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# File 'lib/browserfactory.rb', line 310

def self.releaseProfileList()
  #    @@fd_profile.flock(File::LOCK_UN)

=begin
  begin
    @@fd_profile.close
  rescue
  end
  @@fd_profile = nil
=end

end

.removePidToProfileList(profile_name, pid) ⇒ Object 



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# File 'lib/browserfactory.rb', line 263

def self.removePidToProfileList(profile_name, pid)
  fname = PROFILE_PID_LIST_FILENAME.gsub('%PRFILE_NAME%', profile_name)
  s = File.read(fname)
  s = s.gsub("#{pid},", "")
  f = File.open(fname, 'w')
  f.write(s)
  f.close
end

.reservation_id ⇒ Object 



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# File 'lib/browserfactory.rb', line 362

def self.reservation_id()
  q = "SELECT TOP 1 reservation_id FROM browserfactory WHERE host_name='#{Socket.gethostname}'"
  row = DB[q].first
  if (row == nil)
    DB.execute("INSERT INTO browserfactory (reservation_id, reservation_time, host_name) VALUES (NULL, NULL, '#{Socket.gethostname}')")
  end
  row = DB[q].first
  return row[:reservation_id]
end

.screenshot(filename) ⇒ Object

toma una captura del area visible de la pagina mas informacion: stackoverflow.com/questions/25543651/screenshot-of-entire-webpage-using-selenium-webdriver-rc-rails



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# File 'lib/browserfactory.rb', line 335

def self.screenshot(filename)
  @@driver.save_screenshot(filename)
end

.updateProfileList ⇒ Object 



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# File 'lib/browserfactory.rb', line 282

def self.updateProfileList()
  addPidToProfileList(@@profile_name, @@pid)
  PROCESS.list().select { |p| p[:ppid] == @@pid && (p[:executablepath] =~ /chrome\.exe/ || p[:executablepath] =~ /mimic\.exe/) }.each { |p2|
    addPidToProfileList(@@profile_name, p2[:pid])                  
  }
end