jfogs - npm Package Compare versions

Comparing version 0.0.10 to 0.0.11

lib/jfogs.js

@@ -8,16 +8,28 @@
  *   zswang (http://weibo.com/zswang)
- * @version 0.0.10
- * @date 2015-09-07
+ * @version 0.0.11
+ * @date 2015-10-12
  */
 var esprima = require('esprima');
 /**
- * 对字符串进行 Unicode 编码
+ * 对字符串进行utf8编码
  *
- * @param {string} str 源字符串
- * @return {string} 返回编码后的内容
+ * param {string} str 原始字符串
  */
-function encodeUnicode(str) {
-  return String(str).replace(/[^\x09-\x7f\ufeff]/g, function (all) {
-    return '\\u' + (0x10000 + all.charCodeAt()).toString(16).substring(1);
-  });
+function encodeUTF8(str) {
+  if (!str) {
+    return str;
+  }
+  return String(str).replace(
+    /[\u0080-\u07ff]/g,
+    function (c) {
+      var cc = c.charCodeAt(0);
+      return String.fromCharCode(0xc0 | cc >> 6, 0x80 | cc & 0x3f);
+    }
+  ).replace(
+    /[\u0800-\uffff]/g,
+    function (c) {
+      var cc = c.charCodeAt(0);
+      return String.fromCharCode(0xe0 | cc >> 12, 0x80 | cc >> 6 & 0x3f, 0x80 | cc & 0x3f);
+    }
+  );
 }
@@ -168,2 +180,16 @@ /**
   case 'zero':
+    var existsUnicode = false;
+    expressions.every(function (item) {
+      if (/[\u0100-\uffff]/.test(item)) {
+        existsUnicode = true;
+      }
+      return !existsUnicode;
+    });
+    var t;
+    if (existsUnicode) {
+      t = parseInt('100000000', 2);
+    }
+    else {
+      t = parseInt('10000000', 2);
+    }
     expressions = expressions.map(function (item) {
@@ -174,4 +200,7 @@ if (!(/^["]/.test(item)) || item.length <= 2) {
       hasString = true;
-      var t = parseInt('10000000', 2);
-      return '"' + encodeUnicode(JSON.parse(item)).replace(/[^]/g, function (all) {
+      var value = JSON.parse(item);
+      if (existsUnicode) {
+        value = encodeUTF8(value);
+      }
+      return '"' + value.replace(/[^]/g, function (all) {
         return (t + all.charCodeAt()).toString(2).substring(1).replace(/[^]/g, function (n) {
@@ -203,3 +232,10 @@ return {
         rightToLeft: identFrom(guid++),
-        u202e: '"\u202e"'
+        u202e: '"\u202e"',
+        6: identFrom(guid++),
+        charCodeAt: identFrom(guid++),
+        '0x0f': identFrom(guid++),
+        '0x1f': identFrom(guid++),
+        '0x3f': identFrom(guid++),
+        regex3: identFrom(guid++),
+        regex4: identFrom(guid++),
       };
@@ -217,3 +253,22 @@ names.push(params.rightToLeft);
       names.push(params.regex2);
-      expressions.push('/.{7}/g');
+      if (existsUnicode) {
+        expressions.push('/.{8}/g');
+        names.push(params.regex3);
+        expressions.push('/[\\u00c0-\\u00df][\\u0080-\\u00bf]/g');
+        names.push(params.regex4);
+        expressions.push('/[\\u00e0-\\u00ef][\\u0080-\\u00bf][\\u0080-\\u00bf]/g');
+        names.push(params.charCodeAt);
+        expressions.push('"charCodeAt"');
+        names.push(params[6]);
+        expressions.push(6);
+        names.push(params['0x0f']);
+        expressions.push(0x1f);
+        names.push(params['0x1f']);
+        expressions.push(0x1f);
+        names.push(params['0x3f']);
+        expressions.push(0x3f);
+      }
+      else {
+        expressions.push('/.{7}/g');
+      }
       names.push(params.String);
@@ -231,3 +286,8 @@ expressions.push('String');
       expressions.push('parseInt');
-      decryption = format( "\nif (#{u202e} !== #{rightToLeft}) {\n  return;\n}\nvar #{argv} = arguments;\nfor (var #{index} = 0; #{index} < #{len}; #{index}++) {\n  if (typeof #{argv}[#{index}] !== #{string}) {\n    continue;\n  }\n  #{argv}[#{index}] = #{argv}[#{index}][#{replace}](#{regex1},\n    function (a) {\n      return {\n        '\\u200c': #{0},\n        '\\u200d': #{1}\n      }[a];\n    }\n  ).replace(#{regex2}, function (a) {\n    return #{String}[#{fromCharCode}](#{parseInt}(a, #{2}));\n  });\n}\n    ", params);
+      if (existsUnicode) {
+        decryption = format( "\nif (#{u202e} !== #{rightToLeft}) {\n  return;\n}\n\nvar #{argv} = arguments;\nfor (var #{index} = #{0}; #{index} < #{len}; #{index}++) {\n  if (typeof #{argv}[#{index}] !== #{string}) {\n    continue;\n  }\n  #{argv}[#{index}] = #{argv}[#{index}][#{replace}](#{regex1},\n    function (a) {\n      return {\n        '\\u200c': #{0},\n        '\\u200d': #{1}\n      }[a];\n    }\n  )[#{replace}](#{regex2}, function (a) {\n    return #{String}[#{fromCharCode}](#{parseInt}(a, #{2}));\n  })[#{replace}](\n    #{regex3},\n    function(c) {\n      var cc = (c[#{charCodeAt}](#{0}) & #{0x1f}) << #{6} | (c[#{charCodeAt}](#{1}) & #{0x3f});\n      return #{String}[#{fromCharCode}](cc);\n    }\n  )[#{replace}](\n    #{regex4},\n    function(c) {\n      var cc = (c[#{charCodeAt}](#{0}) & #{0x0f}) << #{6} * #{2} | (c[#{charCodeAt}](#{1}) & #{0x3f}) << #{6} | (c[#{charCodeAt}](2) & #{0x3f});\n      return #{String}[#{fromCharCode}](cc);\n    }\n  );\n}\n    ", params);
+      }
+      else {
+        decryption = format( "\nif (#{u202e} !== #{rightToLeft}) {\n  return;\n}\n\nvar #{argv} = arguments;\nfor (var #{index} = #{0}; #{index} < #{len}; #{index}++) {\n  if (typeof #{argv}[#{index}] !== #{string}) {\n    continue;\n  }\n  #{argv}[#{index}] = #{argv}[#{index}][#{replace}](#{regex1},\n    function (a) {\n      return {\n        '\\u200c': #{0},\n        '\\u200d': #{1}\n      }[a];\n    }\n  )[#{replace}](#{regex2}, function (a) {\n    return #{String}[#{fromCharCode}](#{parseInt}(a, #{2}));\n  });\n}\n    ", params);
+      }
     }
@@ -234,0 +294,0 @@ break;

package.json

 {
   "name": "jfogs",
-  "version": "0.0.10",
+  "version": "0.0.11",
   "description": "Javascript code obfuscator",
@@ -5,0 +5,0 @@ "main": "index.js",

New alerts

License Policy Violation

License

This package is not allowed per your license policy. Review the package's license to ensure compliance.

Found 1 instance in 1 package

Fixed alerts

License Policy Violation

License

This package is not allowed per your license policy. Review the package's license to ensure compliance.

Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

16018

increased by18.77%

Lines of code

424

increased by17.45%

No dependency changes