Add Fernet encrypt/decrypt

package-lock.json

@@ -4725,11 +4725,29 @@
         "pend": "~1.2.0"
       }
     },
+<<<<<<< HEAD
     "figgy-pudding": {
       "version": "3.5.1",
       "resolved": "https://registry.npmjs.org/figgy-pudding/-/figgy-pudding-3.5.1.tgz",
       "integrity": "sha512-vNKxJHTEKNThjfrdJwHc7brvM6eVevuO5nTj6ez8ZQ1qbXTvGthucRF7S4vf2cr71QVnT70V34v0S1DyQsti0w==",
       "dev": true
+=======
+    "fernet": {
+      "version": "0.3.1",
+      "resolved": "https://registry.npmjs.org/fernet/-/fernet-0.3.1.tgz",
+      "integrity": "sha512-7KnsrcpLkUsKy6aH6Ow68hrMWhvE25rTDd3370+xVGkpqZta05cUCmdJQPyLBKTsNdPUB5NumJZBgJIJ60aQqw==",
+      "requires": {
+        "crypto-js": "~3.1.2-1",
+        "urlsafe-base64": "1.0.0"
+      },
+      "dependencies": {
+        "crypto-js": {
+          "version": "3.1.8",
+          "resolved": "https://registry.npmjs.org/crypto-js/-/crypto-js-3.1.8.tgz",
+          "integrity": "sha1-cV8HC/YBTyrpkqmLOSkli3E/CNU="
+        }
+      }
+>>>>>>> Add Fernet encrypt/decrypt
     },
     "figures": {
       "version": "2.0.0",
@@ -12952,6 +12970,11 @@
         "requires-port": "^1.0.0"
       }
     },
+    "urlsafe-base64": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/urlsafe-base64/-/urlsafe-base64-1.0.0.tgz",
+      "integrity": "sha1-I/iQaabGL0bPOh07ABac77kL4MY="
+    },
     "use": {
       "version": "3.1.1",
       "resolved": "https://registry.npmjs.org/use/-/use-3.1.1.tgz",

package.json

@@ -97,6 +97,7 @@
     "esmangle": "^1.0.1",
     "esprima": "^4.0.1",
     "exif-parser": "^0.1.12",
+    "fernet": "^0.3.1",
     "file-saver": "^2.0.0",
     "geodesy": "^1.1.3",
     "highlight.js": "^9.13.1",

src/core/config/Categories.json

@@ -73,6 +73,8 @@
             "DES Decrypt",
             "Triple DES Encrypt",
             "Triple DES Decrypt",
+            "Fernet Encrypt",
+            "Fernet Decrypt",
             "RC2 Encrypt",
             "RC2 Decrypt",
             "RC4",

src/core/operations/FernetDecrypt.mjs

@@ -0,0 +1,58 @@
+/**
+ * @author kassi [kassi@noreply.com]
+ * @copyright KS 2018
+ * @license Apache-2.0
+ */
+
+import Operation from '../Operation';
+
+/**
+ * FernetDecrypt operation
+ */
+class FernetDecrypt extends Operation {
+  /**
+   * FernetDecrypt constructor
+   */
+
+  constructor() {
+    super();
+
+    this.name = 'Fernet Decrypt';
+    this.module = 'Default';
+    this.description = 'Fernet is a symmetric encryption method which makes sure that the message encrypted cannot be manipulated/read without the key. It uses URL safe encoding for the keys. Fernet uses 128-bit AES in CBC mode and PKCS7 padding, with HMAC using SHA256 for authentication. The IV is created from os.random().';
+    this.infoURL = 'https://asecuritysite.com/encryption/fer';
+    this.inputType = 'string';
+    this.outputType = 'string';
+    this.args = [
+      {
+        'name': 'Secret',
+        'type': 'string',
+        'value': ""
+      },
+    ];
+    this.patterns = [
+      {
+        match: "^[A-Z\\d\\-_=]{20,}$",
+        flags: "i",
+        args: []
+      },
+    ];
+  }
+  /**
+   * @param {String} input
+   * @param {Object[]} args
+   * @returns {String}
+   */
+  run(input, args) {
+    const [secretInput] = args;
+    var fernet = require('fernet');
+    var secret = new fernet.Secret(secretInput);
+    var token = new fernet.Token({
+      secret: secret,
+      token: input
+    })
+    return token.decode();
+  }
+}
+
+export default FernetDecrypt;

src/core/operations/FernetEncrypt.mjs

@@ -0,0 +1,50 @@
+/**
+ * @author kassi [kassi@noreply.com]
+ * @copyright KS 2018
+ * @license Apache-2.0
+ */
+
+import Operation from '../Operation';
+
+/**
+ * FernetEncrypt operation
+ */
+class FernetEncrypt extends Operation {
+  /**
+   * FernetEncrypt constructor
+   */
+
+  constructor() {
+    super();
+
+    this.name = 'Fernet Encrypt';
+    this.module = 'Default';
+    this.description = 'Fernet is a symmetric encryption method which makes sure that the message encrypted cannot be manipulated/read without the key. It uses URL safe encoding for the keys. Fernet uses 128-bit AES in CBC mode and PKCS7 padding, with HMAC using SHA256 for authentication. The IV is created from os.random().';
+    this.infoURL = 'https://asecuritysite.com/encryption/fer';
+    this.inputType = 'string';
+    this.outputType = 'string';
+    this.args = [
+      {
+        'name': 'Secret',
+        'type': 'string',
+        'value': ""
+      },
+    ];
+  }
+  /**
+   * @param {String} input
+   * @param {Object[]} args
+   * @returns {String}
+   */
+  run(input, args) {
+    const [secretInput] = args;
+    var fernet = require('fernet');
+    var secret = new fernet.Secret(secretInput);
+    var token = new fernet.Token({
+      secret: secret,
+    })
+    return token.encode(input);
+  }
+}
+
+export default FernetEncrypt;