mfa

#! /usr/local/opt/php@7.2/bin/php
<?php
if (file_exists(__DIR__ . '/vendor/autoload.php')) {
    require(__DIR__ . '/vendor/autoload.php');
}

if (file_exists(__DIR__ . '/../../autoload.php')) {
    require(__DIR__ . '/../../autoload.php');
}

$ga = new PHPGangsta_GoogleAuthenticator();


$config = getenv('MFA_CONFIG_FILE');
if (!$config) {
    $homedir = trim(`cd ~ && pwd`);
    $config = $homedir . DIRECTORY_SEPARATOR . '.mfa';
}

$secrets = [];

if (file_exists($config)) {
    $mfaSecrets = file_get_contents($config);
} else {
    $mfaSecrets = 'demo = SECRET';
}

foreach (array_filter(explode(PHP_EOL, $mfaSecrets)) as $secret) {
    $parts = explode('=', $secret);
    $name = trim($parts[0]);
    $secrets[$name] = trim($parts[1]);
}


while (1) {

    fwrite(STDOUT, "Choose MFA\n");
    $i = 0;
    foreach ($secrets as $key => $secret) {
        echo "[$i]: $key " . PHP_EOL;
        $i++;
    }

    $index = intval(fgets(STDIN));
    if (array_key_exists($index, array_keys($secrets))) {
        $secret = $secrets[array_keys($secrets)[$index]];
        break;
    }
}

while (1) {
    $oneCode = $ga->getCode($secret);
    echo "\r" . array_keys($secrets)[$index] . " checking code: $oneCode";
    //$shell="echo -n $oneCode | /usr/bin/pbcoby";
    //echo $shell;
    //`$shell`;
    copy2clipboard($oneCode);
    usleep(100);
}

function copy2clipboard($string)
{
    $descriptorspec = array(
        0 => array("pipe", "r"),  // stdin is a pipe that the child will read from
        1 => array("pipe", "w"),  // stdout is a pipe that the child will write to
        2 => array("file", "a.txt", "a") // stderr is a file to write to
    );
    $process = proc_open('pbcopy', $descriptorspec, $pipes);
    if (is_resource($process)) {
        fwrite($pipes[0], $string);
        fclose($pipes[0]);
        fclose($pipes[1]);

        $return_value = proc_close($process);
        return $return_value;
    }
}