问Ruby密码

EN

require 'openssl'

ctx = OpenSSL::SSL::SSLContext.new
ctx.ciphers = 'aRSA'
sock = Socket.tcp("https://www.cloudflare.com", 443, connect_timeout: 10)
connection = connect(sock, ctx, hostname)
connection.peer_cert_chain

def connect(sock, ctx, url)
   ssl = OpenSSL::SSL::SSLSocket.new(sock, ctx)
   ssl.hostname = url
   begin
      ssl.connect_nonblock
   rescue IO::WaitReadable
      return nil unless IO.select([ssl], nil, nil, 10)

      retry
   rescue IO::WaitWritable
      return nil unless IO.select(nil, [ssl], nil, 10)

      retry
   end
   ssl
end