release encoder and decoder
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Pleshevskiy
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3 changed files with 251 additions and 0 deletions
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# jjcrypto
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jjcrypto for php
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## HOW USE
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### encoding
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```php encode.php /path/to/file.js```
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### decoding
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```php decode.php /path/to/encoded/file.js.jj```
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79
decode.php
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79
decode.php
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@ -0,0 +1,79 @@
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<?php
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// Decoder wrapper
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$start = '$=~[];$={___:++$,$$$$:(![]+"")[$],__$:++$,$_$_:(![]+"")[$],_$_:++$,$_$$:({}+"")[$],$$_$:($[$]+"")[$],_$$:++$,$$$_:(!""+"")[$],$__:++$,$_$:++$,$$__:({}+"")[$],$$_:++$,$$$:++$,$___:++$,$__$:++$};$.$_=($.$_=$+"")[$.$_$]+($._$=$.$_[$.__$])+($.$$=($.$+"")[$.__$])+((!$)+"")[$._$$]+($.__=$.$_[$.$$_])+($.$=(!""+"")[$.__$])+($._=(!""+"")[$._$_])+$.$_[$.$_$]+$.__+$._$+$.$;$.$$=$.$+(!""+"")[$._$$]+$.__+$._+$.$+$.$$;$.$=($.___)[$.$_][$.$_];$.$($.$($.$$+"\""+';
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$end = '+"\"")())();';
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if (!isset($argv[1])) {
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die("Decoder required encoded file");
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}
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// Read file
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$r = file_get_contents($argv[1]);
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// Replace decoder wrapper
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$r = str_replace($start, "", $r);
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$r = str_replace($end, "", $r);
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// Template decoder
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// from largest char length to smallest
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$subst = array(
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array('$.$___','8'),
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array('$.$__$','9'),
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array('$.$_$_','a'),
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array('$.$_$$','b'),
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array('$.$$__','c'),
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array('$.$$_$','d'),
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array('$.$$$$','f'),
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array('$.$$$_','e'),
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array('$.___','0'),
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array('$.__$','1'),
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array('$._$_','2'),
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array('$._$$','3'),
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array('$.$__','4'),
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array('$.$_$','5'),
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array('$.$$_','6'),
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array('$.$$$','7'),
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array('$.$_', 'c'),
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array('$._$', 'o'),
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array('$.$$', 'n'),
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array('$.__', 't'),
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array('$.$', 'r'),
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array('$._', 'u'),
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array('"\\\\"' , '\\'),
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array('"+"', '%%%%'), // tmp
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array('+', ""),
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array('%%%%', "+")
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);
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// replace by template
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foreach ($subst as $s) {
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$r = str_replace($s[0], $s[1], $r);
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}
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echo "$r\n";
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// replace my quotes
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$r = preg_replace('/([^\\\\])"([^"]+)"/', '${1}${2}', $r);
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// ASCII decode
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preg_match_all('/\\\\(\d{3})/', $r, $matches);
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for ($i = 0; $i < count($matches[1]); $i++) {
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// convert octal to decimal
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$octal = base_convert($matches[1][$i], 8, 10);
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// get character and replace
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$r = str_replace($matches[0][$i], chr($octal), $r);
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}
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// UTF-8 decode
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preg_match_all('/(\\\\u\w{4})/', $r, $matches);
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for ($i = 0; $i < count($matches[1]); $i++) {
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// get character and replace
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$r = str_replace($matches[0][$i], json_decode('"'.$matches[1][$i].'"'), $r);
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}
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// show decoded code
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echo $r;
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// if need save file
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// file_put_contents(substr($argv[1], 0, -3), $r);
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165
encode.php
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165
encode.php
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<?php
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if (!isset($argv[1])) {
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die("Script required url to file");
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}
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// support method for generate template
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function getCharKey($i, $maxPow) {
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$resultKey = "";
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for ($j = $maxPow; $j >= 0; $j--) {
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// i love bitmasks
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$resultKey .= $i & pow(2, $j) ? "$" : "_";
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}
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return $resultKey;
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}
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// check utf-8 character
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function isUtf8($char) {
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return mb_detect_encoding($char) == "UTF-8";
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}
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// str_split bad working for utf-8...
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// it's best alternative
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function mbStringToArray($string) {
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$strlen = mb_strlen($string);
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while ($strlen) {
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$array[] = mb_substr($string, 0, 1, "UTF-8");
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$string = mb_substr($string, 1, $strlen, "UTF-8");
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$strlen = mb_strlen($string);
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}
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return $array;
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}
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// encode char
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function encodeChar($char) {
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// get template
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global $substr;
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// write prefix for char code
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$result = '"\\\\"';
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// if character is utf-8
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if (isUtf8($char)) {
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// get utf-8 code without quotes and slash
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$code = substr(json_encode($char), 2, -1);
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} else {
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// convert decimal to octal
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$code = base_convert(ord($char), 10, 8);
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// fix code if digist < 3
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$code = str_pad($code, 3, 0, STR_PAD_LEFT) . '';
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}
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// convert string to array
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$digits = str_split($code);
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for ($i = 0; $i < count($digits); $i++) {
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// encode code
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$result .= '+$.' . array_search($digits[$i], $substr);
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}
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return $result;
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}
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// its characters need as it
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$ignoreChars = '!"#$%&()*+,-./:;<>=?@[]^_`{|}~\'';
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// some characters for decoding
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$substr = array(
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'$_$_' => 'a',
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'$_$$' => 'b',
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'$$__' => 'c',
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'$$_$' => 'd',
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'$$$_' => 'e',
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'$$$$' => 'f',
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'_' => 'u',
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);
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// add to template digits
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$i = -1;
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while (++$i < 10) {
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$key = getCharKey($i, $i <= 7 ? 2 : 3);
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$substr[$key] = $i;
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}
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/**
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* START ENCODING!
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*/
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$scriptText = file_get_contents($argv[1]);
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if (!$scriptText) {
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die("File not found\n");
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}
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// support variable for ignored charaters
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$prevIgnored = false;
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// for encoded text (result)
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$encodedScript = "";
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// split text
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$chars = mbStringToArray($scriptText, 0, 1, "UTF-8");
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// var_dump($chars);
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// encoded each character
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for ($i = 0; $i < count($chars); $i++) {
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// get character
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$ch = $chars[$i];
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// if character is ignored
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if (strpos($ignoreChars, $ch) != false) {
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// if not first character
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// and prev element not ignored
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if ($i && !$prevIgnored) {
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// open quotes
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$encodedScript .= '+"';
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}
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// if character is quotes
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if ($ch == '"') {
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// need mirrors
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$encodedScript .= "\\\\\\";
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}
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// else rewrite character
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$encodedScript .= $ch;
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// mark as ignored
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$prevIgnored = true;
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// get next character
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continue;
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} else if ($prevIgnored) {
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// close quotes if character not ignored
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// and if prev character is ignored
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$encodedScript .= '"';
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}
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// add plus
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if ($i) {
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$encodedScript .= '+';
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}
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// search encoded character in template
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$ech = array_search($ch, $substr);
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// bug... if array_search is false then return "___"
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if ($ech == "___" ? $ch == '0' : $ech != false) {
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// add $. for decoder
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$encodedScript .= '$.'.$ech;
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} else {
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// encode charater ASCII \xxx or UTF-8 \uxxxx
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$encodedScript .= encodeChar($ch);
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}
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$prevIgnored = false;
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}
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if ($prevIgnored) {
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$encodedScript .= '"';
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}
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// Decode wrapper
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$start = '$=~[];$={___:++$,$$$$:(![]+"")[$],__$:++$,$_$_:(![]+"")[$],_$_:++$,$_$$:({}+"")[$],$$_$:($[$]+"")[$],_$$:++$,$$$_:(!""+"")[$],$__:++$,$_$:++$,$$__:({}+"")[$],$$_:++$,$$$:++$,$___:++$,$__$:++$};$.$_=($.$_=$+"")[$.$_$]+($._$=$.$_[$.__$])+($.$$=($.$+"")[$.__$])+((!$)+"")[$._$$]+($.__=$.$_[$.$$_])+($.$=(!""+"")[$.__$])+($._=(!""+"")[$._$_])+$.$_[$.$_$]+$.__+$._$+$.$;$.$$=$.$+(!""+"")[$._$$]+$.__+$._+$.$+$.$$;$.$=($.___)[$.$_][$.$_];$.$($.$($.$$+"\""+';
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$end = '+"\"")())();';
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// wrap encoded script
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$encodedScript = $start.$encodedScript.$end;
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// write to file with ext .jj
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file_put_contents($argv[1].'.jj', $encodedScript);
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