Testing basic auth proxy

basic_auth.js

#!/usr/local/bin/node

process.stdin.on('data', function data(input) {
    console.error(input);
    switch(input.toString()) {
      case 'user allow\n':
      case 'user pass\n':
        process.stdout.write('OK\n');
        break;
      case 'user error\n':
        process.stdout.write('BH\n');
        break;
      default:
        process.stdout.write('ERR\n');
    }
});

squid.conf

auth_param basic program /path/to/basic_auth.js
acl authenticated proxy_auth REQUIRED
http_access allow authenticated
http_access deny all
http_port 3128
cache deny all

USAGE.md

1. Use squid.conf with squid 3.2+
2. export HTTP_PROXY=http://user:allow@localhost:3128/
3. run your $HTTP_PROXY aware test for success case
4. export HTTP_PROXY=http://user:fail@localhost:3128/
5. run your $HTTP_PROXY aware test for auth failure case
6. export HTTP_PROXY=http://user:error@localhost:3128/
7. run your $HTTP_PROXY aware test for auth error case