apachange.php

<?php

$num=shell_exec('tput cols');

for ($i=0;$i<$num;++$i) {
  echo"_";
}

for ($i=0;$i<$num;++$i) {
  echo" ";
}

for ($i=0;$i<$num;++$i) {
  echo" ";
}

echo" Apachange \n";

for ($i=0;$i<$num;++$i) {
  echo"_";
}

if (isset($argv[1])) {
  $argument1=$argv[1];
} else {
  $argument1='a';
}

if ($argument1 == '-c') {
  $path = system('pwd');
  echo "Setting " . $path . " as new Root for Apache \n";
} elseif ($argument1 == '-r') {
  $local_path = null;
  exec('pwd', $local_path);
  exec('cd /var/www/html; sudo apachange -c');
  exec('cd ' . $local_path[0]);
  echo"Restored the default Root for Apache settings\n";
  die();
} else {
  $invalid = false;
	$path = readline("Enter the directory to change Root for Apache  \n");
  while ($invalid = ($path == '.')) {
    if ($invalid) {
      echo "Invalid path! Single dot is not allowed.\n";
    }
		$path = readline("Enter the directory to change Root for Apache  \n");
  }
}

if ($path == '~') {
  echo "Username: \n";
  $user = system('echo $USER');
  $path = "/home/" . $user;
}

$str = 'No Such Path';
$op = shell_exec("if [ ! -d '" . $path . "' ]; then echo '" . $str . "'; fi");
echo $op;

if (strcmp($op, "No Such Path\n") == 0) {
  die();
} else {
  $apache = "/etc/apache2/sites-available/000-default.conf";
  $file = file_get_contents($apache);
  $pattern = "/DocumentRoot/";
  //preg_match($pattern,$file,$matches,PREG_OFFSET_CAPTURE);
  $patt = "DocumentRoot";
  $pos = strpos($file,$patt);
  $pathy = $pos+13;
  for ($y = 0; $y < 50; $y++) {
      $string = $file[$pathy + $y];
      if (strstr($file[$pathy + $y], PHP_EOL)) {
        $posi = $pathy + $y;
      }
  }
  echo "Current root for Apache: \n";
  $string = '';
  for ($i = $pathy; $i < $posi; $i++) {
    echo $file[$i];
    $string .= $file[$i];
  }
  $file1 = str_replace($string, $path, $file);
  file_put_contents($apache,$file1);
  echo "\n";
  $cmd = shell_exec("sudo service apache2 restart &");
  echo "\n";
}