Parse Ozmosis theme data.

yod-OzTheme.php

#!/usr/bin/php
<?php

# Ozmosis theme (un)packer.
# @cecekpawon: Sun Aug  6 19:26:08 2017
# chmod +x script

function help ($str = "") {
  $script = basename (__FILE__);

  $usage = <<<YODA
Usage: ./$script -[dc] themefile(.bin) prefixed_by_type
- [c] New packed file will be in: 'script_dir/themefile_packed.bin'.
- [d] New unpacked files will be in: 'script_dir/themefile'.
- [prefixed_by_type (optional)]: true (dumped files will prefixed by type instead of id).

YODA;

  if ($str) {
    $usage .= "\n** [!] {$str}\n";
  }

  die ($usage);
}

if (!isset($argv) || (count($argv) < 3)) help ();
else {
  $opt = strtolower ($argv[1]);

  switch ($opt) {
    case "-d":
      $unpack = true;
      break;

    case "-c":
      $pack = true;
      break;

    default:
      help ();
  }

  $theme_name = $argv[2];
  $prefixed_by_type =  (bool)(isset ($argv[3]) && (strtolower ($argv[3]) === "true"));
}

define ("SCRIPT_DIR",         __DIR__);
define ("THEME_BIN_USER",     $theme_name);
define ("THEME_NAME",         pathinfo ($theme_name)["filename"]);
define ("THEME_PLIST_NAME",   "theme.plist");
define ("THEME_PACKED_NAME",  THEME_NAME . "_packed.bin");
define ("NULL_TERMINATOR",    "0a00");
define ("PNG_SIGNATURE",      "89504e470d0a1a0a");
define ("XML_TAG",            "3c3f786d6c");
define ("PREFIXED_BY_TYPE",   $prefixed_by_type);

//  00:443 00:000 Installed Font OregonMedium 21 pt 95 Glyphs Proportional (4)
//  00:444 00:000 Installed Pointer Image 15 x 22 Id 01 Frame 00 "Default" (1)

//  49484452 00000080 00000080 08060000 00C33E61 CB000000 13744558 74426164 67650055 62756E74 755F3531 5F30307E 718AF17D 00000E50
//  ^^       ^^       ^^                                    ^^                                                           ^^
//  IHDR     Width    Height                                tEXt                                                         tEXtEnd

/*
  IHDR:

  Width:              4 bytes
  Height:             4 bytes
  Bit depth:          1 byte
  Color type:         1 byte
  Compression method: 1 byte
  Filter method:      1 byte
  Interlace method:   1 byte

  tEXt Textual data:

  Keyword:        1-79 bytes (character string)
  Null separator: 1 byte
  Text:           n bytes (character string)

  if (sub_4f51c(rcx, "Device") != 0x0) {
    rbx = rbx + 0x200;
  }
  if (sub_4f51c(rsi, 0x23144) != 0x0) {   // [ds:0x35244]
    rbx = rbx + 0x10;                     // 0x7474754200737542   ttuB suB
  }                                       // + 0x6f + 0x6e        on
  if (sub_4f51c(rsi, 0x23148) != 0x0) {   // [ds:0x35248]
    rbx = rbx + 0x8;
  }
  if (sub_4f51c(rsi, "Badge") != 0x0) {
    rbx = rbx - 0xffffff80;
  }
  if (sub_4f51c(rsi, "Pointer") != 0x0) {
    rbx = rbx + 0x1;
  }
  if (sub_4f51c(rsi, "Selector") != 0x0) {
    rbx = rbx + 0x20;
  }
  if (sub_4f51c(rsi, "Special") != 0x0) {
    rbx = rbx + 0x100;
  }
*/

function get_meta ($str) {
  preg_match ('#49484452(.{8})(.{8}).*(.{2})74455874(.*?)00(.*?)5F(.*?)5F(.*?)7E(.*?)00#i', $str, $matches);
  //var_dump ($matches);

  $iWidth = hexdec ($matches[1]);
  $iHeight = hexdec ($matches[2]);
  //$iHmm = hexdec ($matches[3]);
  $iType = hex2bin ($matches[4]);
  $iLabel = hex2bin ($matches[5]);

  $iRest1a = $matches[6];
  $iRest1b = hex2bin ($iRest1a);
  $iRest2a = $matches[7];
  $iRest2b = hex2bin ($iRest2a);

  $iID = sprintf("%d", pack ("H*", $iRest1a));
  $iFrame = sprintf("%d", pack ("H*", $iRest2a));

  switch ($iType) {
    case "Pointer":
      $iID += 1; //0x1
      $num = 1;
      break;

    case "Bus":
      $iID += 16; //0x10
      $num = 2;
      break;

    case "Button":
      $iID += 8; //0x8
      $num = 3;
      break;

    case "Device":
      $iID += 512; //0x200
      $num = 4;
      break;

    case "Badge":
      $iID += 128; //0x80?
      $num = 5;
      break;

    case "Selector":
      $iID += 32; //0x20
      $num = 6;
      break;

    case "Special":
      $iID += 256; //0x100
      $num = 7;
      break;

    default:
      if ($iID) return;
      $num = 0;
      break;
  }

  $fn = sprintf ("%03d_{$iType}_{$iLabel}_{$iRest1b}_{$iRest2b}.png", $iID);

  if (PREFIXED_BY_TYPE) {
    $fn = sprintf ("%02d_%s", $num, $fn);
  }

  printf (" - {$iType}: (w_{$iWidth} x h_{$iHeight}) \"{$iLabel}\" {$iRest1a}({$iRest1b})_{$iRest2a}({$iRest2b}) - (id_%d frame_%d)\n", $iID, $iFrame);

  return $fn;
}

function pack_theme () {
  printf ("Packing as '%s'.\n", THEME_PACKED_NAME);

  chdir (THEME_NAME);

  printf (" - %s\n", THEME_PLIST_NAME);
  $str = unpack ("H*", @file_get_contents (THEME_PLIST_NAME))[1];
  $str .= NULL_TERMINATOR;

  $a = glob ("*.png");
  foreach ($a as $v) {
    echo " - {$v}\n";
    $str .= unpack ("H*", @file_get_contents ("{$v}"))[1];
  }

  @file_put_contents (SCRIPT_DIR . "/" . THEME_PACKED_NAME, pack ("H*", $str));
}

function unpack_thene () {
  printf ("Unpacking '%s'.\n", THEME_BIN_USER);

  if (!is_dir (THEME_NAME)) {
    mkdir (THEME_NAME);
  }

  $str = unpack ("H*", @file_get_contents (THEME_BIN_USER));

  //$i = 0;

  $a = preg_split ("#" . PNG_SIGNATURE . "#i", $str[1]);

  foreach ($a as $v) {
    if (preg_match ("/^" . XML_TAG . "/i", $v)) {
      $fn = THEME_PLIST_NAME;
      $v = rtrim ($v, NULL_TERMINATOR);
    } else {
      $v = PNG_SIGNATURE . $v;
      if (!($fn = get_meta ($v))) {
        continue;
      }
    }

    $b = pack ("H*", $v);
    @file_put_contents (THEME_NAME . "/" . $fn, $b);

    //$i++;
  }
}

chdir (SCRIPT_DIR);

if ($unpack) {
  if (!file_exists (THEME_BIN_USER)) {
    help (THEME_BIN_USER . " not exists.\n");
  }

  unpack_thene ();
}

elseif ($pack) {
  if (!file_exists (THEME_NAME . "/" . THEME_PLIST_NAME)) {
    help (THEME_NAME . "/" . THEME_PLIST_NAME . " not exists.\n");
  }

  pack_theme ();
}

echo ("Done.\n");