alpaca/dist/lib/js-beautify/python/jsbeautifier/unpackers/tests/test-myobfuscate-output.js

Alpaca provides the easiest and fastest way to generate interactive forms for the web and mobile devices. It runs simply as HTML5 or more elaborately using Bootstrap, jQuery Mobile or jQuery UI. Alpaca uses Handlebars to process JSON schema and provide

//
// 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;
    }
}