text: #!/usr/bin/env python3
  # Copyright (c) 2015-2018 The Bitcoin 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 BitcoinTestFramework
  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
  
  
  class HTTPBasicsTest(BitcoinTestFramework):
      def set_test_params(self):
          self.num_nodes = 2
  
      def setup_chain(self):
          super().setup_chain()
          #Append rpcauth to bitcoin.conf before initialization
          rpcauth = "rpcauth=rt:93648e835a54c573682c2eb19f882535$7681e9c5b74bdd85e78166031d2058e1069b3ed7ed967c93fc63abba06f31144"
          rpcauth2 = "rpcauth=rt2:f8607b1a88861fac29dfccf9b52ff9f$ff36a0c23c8c62b4846112e50fa888416e94c17bfd4c42f88fd8f55ec6a3137e"
          rpcuser = "rpcuser=rpcuser💻"
          rpcpassword = "rpcpassword=rpcpassword🔑"
  
          self.user = ''.join(SystemRandom().choice(string.ascii_letters + string.digits) for _ in range(10))
          config = configparser.ConfigParser()
          config.read_file(open(self.options.configfile))
          gen_rpcauth = config['environment']['RPCAUTH']
          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), "lingcoin.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), "lingcoin.conf"), 'a', encoding='utf8') as f:
              f.write(rpcuser+"\n")
              f.write(rpcpassword+"\n")
  
      def run_test(self):
  
          ##################################################
          # Check correctness of the rpcauth config option #
          ##################################################
          url = urllib.parse.urlparse(self.nodes[0].url)
  
          #Old authpair
          authpair = url.username + ':' + url.password
  
          #New authpair generated via share/rpcauth tool
          password = "cA773lm788buwYe4g4WT+05pKyNruVKjQ25x3n0DQcM="
  
          #Second authpair with different username
          password2 = "8/F3uMDw4KSEbw96U3CA1C4X05dkHDN2BPFjTgZW4KI="
          authpairnew = "rt:"+password
  
          self.log.info('Correct...')
          headers = {"Authorization": "Basic " + str_to_b64str(authpair)}
  
          conn = http.client.HTTPConnection(url.hostname, url.port)
          conn.connect()
          conn.request('POST', '/', '{"method": "getbestblockhash"}', headers)
          resp = conn.getresponse()
          assert_equal(resp.status, 200)
          conn.close()
  
          #Use new authpair to confirm both work
          self.log.info('Correct...')
          headers = {"Authorization": "Basic " + str_to_b64str(authpairnew)}
  
          conn = http.client.HTTPConnection(url.hostname, url.port)
          conn.connect()
          conn.request('POST', '/', '{"method": "getbestblockhash"}', headers)
          resp = conn.getresponse()
          assert_equal(resp.status, 200)
          conn.close()
  
          #Wrong login name with rt's password
          self.log.info('Wrong...')
          authpairnew = "rtwrong:"+password
          headers = {"Authorization": "Basic " + str_to_b64str(authpairnew)}
  
          conn = http.client.HTTPConnection(url.hostname, url.port)
          conn.connect()
          conn.request('POST', '/', '{"method": "getbestblockhash"}', headers)
          resp = conn.getresponse()
          assert_equal(resp.status, 401)
          conn.close()
  
          #Wrong password for rt
          self.log.info('Wrong...')
          authpairnew = "rt:"+password+"wrong"
          headers = {"Authorization": "Basic " + str_to_b64str(authpairnew)}
  
          conn = http.client.HTTPConnection(url.hostname, url.port)
          conn.connect()
          conn.request('POST', '/', '{"method": "getbestblockhash"}', headers)
          resp = conn.getresponse()
          assert_equal(resp.status, 401)
          conn.close()
  
          #Correct for rt2
          self.log.info('Correct...')
          authpairnew = "rt2:"+password2
          headers = {"Authorization": "Basic " + str_to_b64str(authpairnew)}
  
          conn = http.client.HTTPConnection(url.hostname, url.port)
          conn.connect()
          conn.request('POST', '/', '{"method": "getbestblockhash"}', headers)
          resp = conn.getresponse()
          assert_equal(resp.status, 200)
          conn.close()
  
          #Wrong password for rt2
          self.log.info('Wrong...')
          authpairnew = "rt2:"+password2+"wrong"
          headers = {"Authorization": "Basic " + str_to_b64str(authpairnew)}
  
          conn = http.client.HTTPConnection(url.hostname, url.port)
          conn.connect()
          conn.request('POST', '/', '{"method": "getbestblockhash"}', headers)
          resp = conn.getresponse()
          assert_equal(resp.status, 401)
          conn.close()
  
          #Correct for randomly generated user
          self.log.info('Correct...')
          authpairnew = self.user+":"+self.password
          headers = {"Authorization": "Basic " + str_to_b64str(authpairnew)}
  
          conn = http.client.HTTPConnection(url.hostname, url.port)
          conn.connect()
          conn.request('POST', '/', '{"method": "getbestblockhash"}', headers)
          resp = conn.getresponse()
          assert_equal(resp.status, 200)
          conn.close()
  
          #Wrong password for randomly generated user
          self.log.info('Wrong...')
          authpairnew = self.user+":"+self.password+"Wrong"
          headers = {"Authorization": "Basic " + str_to_b64str(authpairnew)}
  
          conn = http.client.HTTPConnection(url.hostname, url.port)
          conn.connect()
          conn.request('POST', '/', '{"method": "getbestblockhash"}', headers)
          resp = conn.getresponse()
          assert_equal(resp.status, 401)
          conn.close()
  
          ###############################################################
          # Check correctness of the rpcuser/rpcpassword config options #
          ###############################################################
          url = urllib.parse.urlparse(self.nodes[1].url)
  
          # rpcuser and rpcpassword authpair
          self.log.info('Correct...')
          rpcuserauthpair = "rpcuser💻:rpcpassword🔑"
  
          headers = {"Authorization": "Basic " + str_to_b64str(rpcuserauthpair)}
  
          conn = http.client.HTTPConnection(url.hostname, url.port)
          conn.connect()
          conn.request('POST', '/', '{"method": "getbestblockhash"}', headers)
          resp = conn.getresponse()
          assert_equal(resp.status, 200)
          conn.close()
  
          #Wrong login name with rpcuser's password
          rpcuserauthpair = "rpcuserwrong:rpcpassword"
          headers = {"Authorization": "Basic " + str_to_b64str(rpcuserauthpair)}
  
          conn = http.client.HTTPConnection(url.hostname, url.port)
          conn.connect()
          conn.request('POST', '/', '{"method": "getbestblockhash"}', headers)
          resp = conn.getresponse()
          assert_equal(resp.status, 401)
          conn.close()
  
          #Wrong password for rpcuser
          self.log.info('Wrong...')
          rpcuserauthpair = "rpcuser:rpcpasswordwrong"
          headers = {"Authorization": "Basic " + str_to_b64str(rpcuserauthpair)}
  
          conn = http.client.HTTPConnection(url.hostname, url.port)
          conn.connect()
          conn.request('POST', '/', '{"method": "getbestblockhash"}', headers)
          resp = conn.getresponse()
          assert_equal(resp.status, 401)
          conn.close()
  
  
  if __name__ == '__main__':
      HTTPBasicsTest ().main ()
  