Initial commit

library/LibJwt.js

@@ -0,0 +1,55 @@
+const jwt = require('jsonwebtoken');
+const cryptojs = require("crypto-js");
+
+const confJwt = {
+  algorithm: 'HS256',
+  issuer: 'BINGCORP',
+  subject: 'APP_DRIVER',
+  audience: 'MOBILE',
+  // expiresIn: '365d',
+};
+const SECRET_KEY = 'BINGCORP';
+const KEY_ENC = 'dRgUjXn2r5u8x/A?D(G+KbPeShVmYp3s'; // just random string
+
+class LibJwt {
+
+  static async createToken(data) {
+    return new Promise((resolve, reject) => {
+      // mengapa data perlu di enc lagi ? karena di jwt data tersebut hanya di base64_enc
+      let cipherText = cryptojs.AES.encrypt(JSON.stringify(data), KEY_ENC).toString();
+      let payload = {
+        cipherText,
+      };
+
+      jwt.sign(payload, SECRET_KEY, confJwt, function (err, token) {
+        if (err) {
+          reject(err);
+          return false;
+        }
+        resolve({ type: 'success', token });
+      })
+    })
+  }
+
+  static async verifyToken(token) {
+    return new Promise((resolve, reject) => {
+      try {
+        jwt.verify(token, SECRET_KEY, confJwt, function (err, decoded) {
+          if (err) {
+            resolve({ type: 'fail', message: err.message });
+            return false;
+          }
+          const { cipherText } = decoded;
+          let bytes = cryptojs.AES.decrypt(cipherText, KEY_ENC);
+          let dataDecoded = JSON.parse(bytes.toString(cryptojs.enc.Utf8));
+          resolve({ type: 'success', data: dataDecoded });
+        })
+      } catch (err) {
+        reject(err);
+      }
+    })
+  }
+
+}
+
+module.exports = LibJwt;