Module: YfAsDataframe::CurlImpersonateIntegration

Defined in:
lib/yf_as_dataframe/curl_impersonate_integration.rb

Class Attribute Summary collapse

Class Method Summary collapse

Class Attribute Details

.curl_impersonate_connect_timeout ⇒ Object

Returns the value of attribute curl_impersonate_connect_timeout.



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# File 'lib/yf_as_dataframe/curl_impersonate_integration.rb', line 18

def curl_impersonate_connect_timeout
  @curl_impersonate_connect_timeout
end

.curl_impersonate_enabled ⇒ Object

Returns the value of attribute curl_impersonate_enabled.



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# File 'lib/yf_as_dataframe/curl_impersonate_integration.rb', line 18

def curl_impersonate_enabled
  @curl_impersonate_enabled
end

.curl_impersonate_fallback ⇒ Object

Returns the value of attribute curl_impersonate_fallback.



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# File 'lib/yf_as_dataframe/curl_impersonate_integration.rb', line 18

def curl_impersonate_fallback
  @curl_impersonate_fallback
end

.curl_impersonate_process_timeout ⇒ Object

Returns the value of attribute curl_impersonate_process_timeout.



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# File 'lib/yf_as_dataframe/curl_impersonate_integration.rb', line 18

def curl_impersonate_process_timeout
  @curl_impersonate_process_timeout
end

.curl_impersonate_retries ⇒ Object

Returns the value of attribute curl_impersonate_retries.



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# File 'lib/yf_as_dataframe/curl_impersonate_integration.rb', line 18

def curl_impersonate_retries
  @curl_impersonate_retries
end

.curl_impersonate_retry_delay ⇒ Object

Returns the value of attribute curl_impersonate_retry_delay.



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# File 'lib/yf_as_dataframe/curl_impersonate_integration.rb', line 18

def curl_impersonate_retry_delay
  @curl_impersonate_retry_delay
end

.curl_impersonate_timeout ⇒ Object

Returns the value of attribute curl_impersonate_timeout.



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# File 'lib/yf_as_dataframe/curl_impersonate_integration.rb', line 18

def curl_impersonate_timeout
  @curl_impersonate_timeout
end

Class Method Details

.available_executables ⇒ Object

Find available curl-impersonate executables



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# File 'lib/yf_as_dataframe/curl_impersonate_integration.rb', line 30

def self.available_executables
  @available_executables ||= begin
    executables = []
    Dir.glob(File.join(executable_directory, "curl_*")).each do |path|
      executable = File.basename(path)
      if executable.start_with?('curl_')
        browser_type = case executable
                      when /^curl_chrome/ then :chrome
                      when /^curl_ff/ then :firefox
                      when /^curl_edge/ then :edge
                      when /^curl_safari/ then :safari
                      else :unknown
                      end
        executables << { path: path, executable: executable, browser: browser_type }
      end
    end
    executables
  end
end

.executable_directory ⇒ Object

Get the curl-impersonate executable directory from environment variable or default



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# File 'lib/yf_as_dataframe/curl_impersonate_integration.rb', line 25

def self.executable_directory
  ENV['CURL_IMPERSONATE_DIR'] || '/usr/local/bin'
end

.get_random_executable ⇒ Object

Get a random executable



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# File 'lib/yf_as_dataframe/curl_impersonate_integration.rb', line 51

def self.get_random_executable
  available = available_executables
  return nil if available.empty?
  available.sample
end

.make_request(url, headers: {}, params: {}, timeout: nil, retries: nil) ⇒ Object

Make a curl-impersonate request with improved timeout handling



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# File 'lib/yf_as_dataframe/curl_impersonate_integration.rb', line 58

def self.make_request(url, headers: {}, params: {}, timeout: nil, retries: nil)
  executable_info = get_random_executable
  return nil unless executable_info

  timeout ||= @curl_impersonate_timeout
  retries ||= @curl_impersonate_retries

  cmd = [
    executable_info[:path],
    "--max-time", timeout.to_s,
    "--connect-timeout", @curl_impersonate_connect_timeout.to_s,
    "--retry", retries.to_s,
    "--retry-delay", @curl_impersonate_retry_delay.to_s,
    "--retry-max-time", (timeout * 2).to_s,
    "--fail",
    "--silent",
    "--show-error"
  ]
  headers.each { |key, value| cmd.concat(["-H", "#{key}: #{value}"]) }
  unless params.empty?
    query_string = params.map { |k, v| "#{k}=#{v}" }.join('&')
    separator = url.include?('?') ? '&' : '?'
    url = "#{url}#{separator}#{query_string}"
  end
  cmd << url

  # puts "DEBUG: curl-impersonate command: #{cmd.join(' ')}"
  # puts "DEBUG: curl-impersonate timeout: #{timeout} seconds"

  begin
    stdout_str = ''
    stderr_str = ''
    status = nil
    Open3.popen3(*cmd) do |stdin, stdout, stderr, wait_thr|
      stdin.close
      pid = wait_thr.pid
      done = false
      monitor = Thread.new do
        sleep(timeout + 10)
        unless done
          # puts "DEBUG: Killing curl-impersonate PID \\#{pid} after timeout"
          Process.kill('TERM', pid) rescue nil
          sleep(1)
          Process.kill('KILL', pid) rescue nil if wait_thr.alive?
        end
      end
      stdout_str = stdout.read
      stderr_str = stderr.read
      status = wait_thr.value
      done = true
      monitor.kill
    end
    # puts "DEBUG: curl-impersonate stdout: #{stdout_str[0..200]}..." if stdout_str && !stdout_str.empty?
    # puts "DEBUG: curl-impersonate stderr: #{stderr_str}" if stderr_str && !stderr_str.empty?
    # puts "DEBUG: curl-impersonate status: #{status.exitstatus}"
    if status.success?
      response = OpenStruct.new
        response.body = stdout_str
      response.code = 200
      response.define_singleton_method(:success?) { true }
        response.parsed_response = parse_json_if_possible(stdout_str)
      response
    else
      # puts "DEBUG: curl-impersonate failed with error: \\#{error_message}"
      error_message = "curl failed with code \\#{status.exitstatus}: \\#{stderr_str}"
      nil
    end
  rescue => e
    # puts "DEBUG: curl-impersonate exception: \\#{e.message}"
    nil
  end
end