text: #!/usr/bin/env python3
  # Copyright (c) 2015-2019 The F44RedCoin Core developers
  # Distributed under the MIT software license, see the accompanying
  # file COPYING or http://www.opensource.org/licenses/mit-license.php.
  """Test multiple RPC users."""
  
  from test_framework.test_framework import F44RedCoinTestFramework
  from test_framework.util import (
      assert_equal,
      get_datadir_path,
      str_to_b64str,
  )
  
  import os
  import http.client
  import urllib.parse
  import subprocess
  from random import SystemRandom
  import string
  import configparser
  import sys
  
  def call_with_auth(node, user, password):
      url = urllib.parse.urlparse(node.url)
      headers = {"Authorization": "Basic " + str_to_b64str('{}:{}'.format(user, password))}
  
      conn = http.client.HTTPConnection(url.hostname, url.port)
      conn.connect()
      conn.request('POST', '/', '{"method": "getbestblockhash"}', headers)
      resp = conn.getresponse()
      conn.close()
      return resp
  
  
  class HTTPBasicsTest(F44RedCoinTestFramework):
      def set_test_params(self):
          self.num_nodes = 2
          self.supports_cli = False
  
      def setup_chain(self):
          super().setup_chain()
          #Append rpcauth to f44redcoin.conf before initialization
          self.rtpassword = "cA773lm788buwYe4g4WT+05pKyNruVKjQ25x3n0DQcM="
          rpcauth = "rpcauth=rt:93648e835a54c573682c2eb19f882535$7681e9c5b74bdd85e78166031d2058e1069b3ed7ed967c93fc63abba06f31144"
  
          self.rpcuser = "rpcuser💻"
          self.rpcpassword = "rpcpassword🔑"
  
          config = configparser.ConfigParser()
          config.read_file(open(self.options.configfile))
          gen_rpcauth = config['environment']['RPCAUTH']
  
          # Generate RPCAUTH with specified password
          self.rt2password = "8/F3uMDw4KSEbw96U3CA1C4X05dkHDN2BPFjTgZW4KI="
          p = subprocess.Popen([sys.executable, gen_rpcauth, 'rt2', self.rt2password], stdout=subprocess.PIPE, universal_newlines=True)
          lines = p.stdout.read().splitlines()
          rpcauth2 = lines[1]
  
          # Generate RPCAUTH without specifying password
          self.user = ''.join(SystemRandom().choice(string.ascii_letters + string.digits) for _ in range(10))
          p = subprocess.Popen([sys.executable, gen_rpcauth, self.user], stdout=subprocess.PIPE, universal_newlines=True)
          lines = p.stdout.read().splitlines()
          rpcauth3 = lines[1]
          self.password = lines[3]
  
          with open(os.path.join(get_datadir_path(self.options.tmpdir, 0), "f44redcoin.conf"), 'a', encoding='utf8') as f:
              f.write(rpcauth+"\n")
              f.write(rpcauth2+"\n")
              f.write(rpcauth3+"\n")
          with open(os.path.join(get_datadir_path(self.options.tmpdir, 1), "f44redcoin.conf"), 'a', encoding='utf8') as f:
              f.write("rpcuser={}\n".format(self.rpcuser))
              f.write("rpcpassword={}\n".format(self.rpcpassword))
  
      def test_auth(self, node, user, password):
          self.log.info('Correct...')
          assert_equal(200, call_with_auth(node, user, password).status)
  
          self.log.info('Wrong...')
          assert_equal(401, call_with_auth(node, user, password+'wrong').status)
  
          self.log.info('Wrong...')
          assert_equal(401, call_with_auth(node, user+'wrong', password).status)
  
          self.log.info('Wrong...')
          assert_equal(401, call_with_auth(node, user+'wrong', password+'wrong').status)
  
      def run_test(self):
  
          ##################################################
          # Check correctness of the rpcauth config option #
          ##################################################
          url = urllib.parse.urlparse(self.nodes[0].url)
  
          self.test_auth(self.nodes[0], url.username, url.password)
          self.test_auth(self.nodes[0], 'rt', self.rtpassword)
          self.test_auth(self.nodes[0], 'rt2', self.rt2password)
          self.test_auth(self.nodes[0], self.user, self.password)
  
          ###############################################################
          # Check correctness of the rpcuser/rpcpassword config options #
          ###############################################################
          url = urllib.parse.urlparse(self.nodes[1].url)
  
          self.test_auth(self.nodes[1], self.rpcuser, self.rpcpassword)
  
  if __name__ == '__main__':
      HTTPBasicsTest ().main ()
  