var clipboard = new Clipboard('.btn'); var zero = '​'; var one = '‍'; var z_zero = '​'; var z_one = '‍'; var w_zero = ' '; var w_one = '\t'; function escapeRegExp(str) { return str.replace(/([.*+?^=!:${}()|\[\]\/\\])/g, "\\$1"); } function replaceAll(str, find, replace) { return str.replace(new RegExp(escapeRegExp(find), 'g'), replace); } clipboard.on('success', function(e) { $('#copyFeedback').css('display', 'inherit'); $('#copyFeedback').css('color', 'green'); $('#copyFeedback').html('Copied!'); e.clearSelection(); }); clipboard.on('error', function(e) { $('#copyFeedback').css('display', 'inherit'); $('#copyFeedback').css('color', 'red'); $('#copyFeedback').html('Your browser doesn\'t seem to support automatic copying. Get a better one.'); e.clearSelection(); }); if ($('#useEncrypt').is(':checked') == false) { $('#encryptArea').css('display', 'none'); } $('#modalClose').click(function(){ $('#copyFeedback').css('display', 'none'); }); window.snowMode = 'encode'; $("#output").on("click", function () { $(this).select(); }); $('#toggle').click(function(){ if (window.snowMode == 'encode') { window.snowMode = 'decode'; $('#toggle').html("Decode "); $('#confirmPass').css('display', 'none'); } else { window.snowMode = 'encode'; $('#toggle').html("Encode "); $('#confirmPass').css('display', 'inline'); } }); $('#useZeroWidthCharacters').click(function(){ if (zero == w_zero) { zero = z_zero; one = z_one; } else { zero = w_zero; one = z_one; } }); /* based on stackoverflow.com/questions/14430633/how-to-convert-text-to-binary-code-in-javascript */ function binToText(str) { var str = replaceAll(replaceAll(str, one, "1"), zero, "0"); if(str.match(/[10]{8}/g)){ var wordFromBinary = str.match(/([10]{8}|\s+)/g).map(function(fromBinary){ return String.fromCharCode(parseInt(fromBinary, 2) ); }).join(''); return wordFromBinary; } } /* based on stackoverflow.com/questions/21354235/converting-binary-to-text-using-javascript */ function textToBin(text) { var output = ''; var length = text.length, output = []; for (var i = 0;i < length; i++) { var bin = text[i].charCodeAt().toString(2); output.push(Array(8-bin.length+1).join("0") + bin); } return output.join(''); } $('#useEncrypt').click(function(){ if (! this.checked) { $('#encryptArea').css('display', 'none'); } else { $('#encryptArea').css('display', 'inherit'); } }) function verifyPass(mode) { if ($('#password').val() == '') { alert('You must provide a password.'); return false; } if (mode == 'encrypt') { if ($('#password').val() != $('#confirmPass').val()) { alert('Passwords must match.'); return false; } } return true; } $('#go').click(function(){ var output = ''; var input = $('#text').val(); if (input == '') { return false; } // If we're encoding: if (window.snowMode == 'encode') { // If we should use encryption, encrypt first: if ($('#useEncrypt').is(':checked')) { // verify password first if (verifyPass('encrypt')) { input = CryptoJS.AES.encrypt(input, $('#password').val()).toString(); } else { return false; } } // convert result to binary output = textToBin(encodeURIComponent(input)); $('#output').val(replaceAll(replaceAll(output.toString(), "1", one), "0", zero)); } else { var output = decodeURIComponent(binToText(input)); if ($('#useEncrypt').is(':checked')) { if (verifyPass('decrypt')) { output = CryptoJS.AES.decrypt(output, $('#password').val()).toString(CryptoJS.enc.Utf8); } else { return false; } } $('#output').val(output.toString()); } $('#outputModal').modal(); });