#!/usr/bin/env php
<?php
//========================================================================
// Author:  Pascal KISSIAN
// Resume:  http://pascal.kissian.net
//
// Copyright (c) 2015-2020 Pascal KISSIAN
//
// Published under the MIT License
//          Consider it as a proof of concept!
//          No warranty of any kind.
//          Use and abuse at your own risks.
//========================================================================
if (isset($_SERVER["SERVER_SOFTWARE"]) && ($_SERVER["SERVER_SOFTWARE"] != "")) {
  echo "<h1>Command Line Interface Only!</h1>";
  die;
}

const PHP_PARSER_DIRECTORY = 'PHP-Parser';


require_once 'include/check_version.php';

require_once 'include/get_default_defined_objects.php';     // include this file before defining something....


require_once 'include/classes/config.php';
require_once 'include/classes/scrambler.php';
require_once 'include/functions.php';
require_once 'version.php';

include 'include/retrieve_config_and_arguments.php';

require_once 'include/classes/parser_extensions/my_autoloader.php';
require_once 'include/classes/parser_extensions/my_pretty_printer.php';
require_once 'include/classes/parser_extensions/my_node_visitor.php';

if ($clean_mode) {
  $context_directory = get_context_directory($target_directory);
  if (is_dir($context_directory)) {
    if (!$conf->silent) fprintf(STDERR, "Info:\tRemoving directory\t= [%s]%s", $context_directory, PHP_EOL);
    remove_directory($context_directory);
    exit(31);
  }
}

use PhpParser\Error;
use PhpParser\ParserFactory;
use PhpParser\NodeTraverser;
use PhpParser\PrettyPrinter;

switch ($conf->parser_mode) {
  case 'PREFER_PHP7':
    $parser_mode = ParserFactory::PREFER_PHP7;
    break;
  case 'ONLY_PHP7':
    $parser_mode = ParserFactory::ONLY_PHP7;
    break;
  case 'ONLY_PHP5':
    $parser_mode = ParserFactory::ONLY_PHP5;
    break;
  default:
    $parser_mode = ParserFactory::PREFER_PHP5;
    break;
}

$parser = (new ParserFactory)->create($parser_mode);


$traverser = new NodeTraverser;

$prettyPrinter = $conf->obfuscate_string_literal ? new myPrettyprinter : new PrettyPrinter\Standard;

$t_scrambler = array();
//foreach(array('variable','function','method','property','class','class_constant','constant','label') as $scramble_what)
foreach (array('variable', 'function_or_class', 'method', 'property', 'class_constant', 'constant', 'label') as $scramble_what) {
  $t_scrambler[$scramble_what] = new Scrambler($scramble_what, $conf, ($process_mode == 'directory') ? $target_directory : null);
}
if ($whatis !== '') {
  if ($whatis[0] == '$') $whatis = substr($whatis, 1);
  //    foreach(array('variable','function','method','property','class','class_constant','constant','label') as $scramble_what)
  foreach (array('variable', 'function_or_class', 'method', 'property', 'class_constant', 'constant', 'label') as $scramble_what) {
    if (($s = $t_scrambler[$scramble_what]->unscramble($whatis)) !== '') {
      switch ($scramble_what) {
        case 'variable':
        case 'property':
          $prefix = '$';
          break;
        default:
          $prefix = '';
      }
      echo "$scramble_what: {$prefix}{$s}" . PHP_EOL;
    }
  }
  exit(32);
}

$traverser->addVisitor(new MyNodeVisitor);

switch ($process_mode) {
  case 'file':
    $obfuscated_str = obfuscate($source_file);
    if ($obfuscated_str === null) {
      exit(33);
    }
    if ($target_file === '') {
      echo $obfuscated_str . PHP_EOL . PHP_EOL;
      exit(34);
    }
    file_put_contents($target_file, $obfuscated_str);
    exit(0);
  case 'directory':
    if (isset($conf->t_skip) && is_array($conf->t_skip)) {
      foreach ($conf->t_skip as $key => $val) {
        $conf->t_skip[$key] = "$source_directory/$val";
      }
    }
    if (isset($conf->t_keep) && is_array($conf->t_keep)) {
      foreach ($conf->t_keep as $key => $val) {
        $conf->t_keep[$key] = "$source_directory/$val";
      }
    }
    obfuscate_directory($source_directory, $target_directory);
    exit(0);
}