corrade-nucleus-nucleons – Rev 2
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//
// Unpacker warning: be careful when using myobfuscate.com for your projects:
// scripts obfuscated by the free online version call back home.
//
//
// Unpacker for Dean Edward's p.a.c.k.e.r, a part of javascript beautifier
// written by Einar Lielmanis <einar@jsbeautifier.org>
//
// Coincidentally, it can defeat a couple of other eval-based compressors.
//
// usage:
//
// if (P_A_C_K_E_R.detect(some_string)) {
// var unpacked = P_A_C_K_E_R.unpack(some_string);
// }
//
//
var P_A_C_K_E_R = {
detect: function (str) {
return P_A_C_K_E_R._starts_with(str.toLowerCase().replace(/ +/g, ''), 'eval(function(') ||
P_A_C_K_E_R._starts_with(str.toLowerCase().replace(/ +/g, ''), 'eval((function(') ;
},
unpack: function (str) {
var unpacked_source = '';
if (P_A_C_K_E_R.detect(str)) {
try {
eval('unpacked_source = ' + str.substring(4) + ';')
if (typeof unpacked_source == 'string' && unpacked_source) {
str = unpacked_source;
}
} catch (error) {
// well, it failed. we'll just return the original, instead of crashing on user.
}
}
return str;
},
_starts_with: function (str, what) {
return str.substr(0, what.length) === what;
},
run_tests: function (sanity_test) {
var t = sanity_test || new SanityTest();
t.test_function(P_A_C_K_E_R.detect, "P_A_C_K_E_R.detect");
t.expect('', false);
t.expect('var a = b', false);
t.expect('eval(function(p,a,c,k,e,r', true);
t.expect('eval ( function(p, a, c, k, e, r', true);
t.test_function(P_A_C_K_E_R.unpack, 'P_A_C_K_E_R.unpack');
t.expect("eval(function(p,a,c,k,e,r){e=String;if(!''.replace(/^/,String)){while(c--)r[c]=k[c]||c;k=[function(e){return r[e]}];e=function(){return'\\\\w+'};c=1};while(c--)if(k[c])p=p.replace(new RegExp('\\\\b'+e(c)+'\\\\b','g'),k[c]);return p}('0 2=1',3,3,'var||a'.split('|'),0,{}))",
'var a=1');
var starts_with_a = function(what) { return P_A_C_K_E_R._starts_with(what, 'a'); }
t.test_function(starts_with_a, "P_A_C_K_E_R._starts_with(?, a)");
t.expect('abc', true);
t.expect('bcd', false);
t.expect('a', true);
t.expect('', false);
return t;
}
}