#!/usr/bin/env php

<?php

if (!$lines = file('index-mac.html')) {

fail('could not read index-mac.html');

}

$buf = '';

$script = '';

$marker = false;

foreach ($lines as $line) {

if (strpos($line, '<script src="') === 0) {

$c = substr($line, strpos($line, '"') + 1);

$c = substr($c, 0, strpos($c, '"'));

$script .= file_get_contents($c);

if (!$marker) {

$buf .= '<script>$SCRIPT$</script>';

$marker = true;

}

continue;

}

$buf .= $line;

}

if (!file_put_contents('/tmp/script.js', $script)) {

fail('could not write script.js');

}

@unlink('/tmp/script.min.js');

run('cat /tmp/script.js | java -jar yuicompressor-2.4.6.jar --type js > /tmp/script.min.js');

$buf = str_replace('$SCRIPT$', file_get_contents('/tmp/script.min.js'), $buf);

$origBuf = $buf;

/* obfuscate xor */

for ($i = 0; $i < strlen($buf); $i++) {

$buf[$i] = $buf[$i] ^ 'A';

}

/* verify xor */

$v = $buf;

for ($i = 0; $i < strlen($v); $i++) {

$v[$i] = $v[$i] ^ 'A';

}

if ($v !== $origBuf) {

fail('xor verify failed');

}

if (!file_put_contents('game.dat', $buf)) {

fail('could not write game.dat');

}

unlink('/tmp/script.js');

unlink('/tmp/script.min.js');

echo "\nDONE\n";

function run($cmd)

{

echo "$cmd\n";

@system($cmd, $r);

if ($r != 0) {

echo "FAILED: cmd returned $r\n";

exit(1);

}

}

function fail($msg)

{

echo "FAILED $msg\n";

exit(1);

}