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services/SessionService.js

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+/*Powered By: Manaknightdigital Inc. https://manaknightdigital.com/ Year: 2020*/
+/**
+ * Session Service
+ * @copyright 2020 Manaknightdigital Inc.
+ * @link https://manaknightdigital.com
+ * @license Proprietary Software licensing
+ * @author Ryan Wong
+ *
+ */
+
+module.exports = {
+  verifySessionMiddleware: function (role, roleName = "") {
+    return function (req, res, next) {
+      const two_factor_authentication = req.session.two_factor_authentication;
+
+      const currentRole = req.session.role ? req.session.role : 0;
+      if (currentRole === 0 || currentRole != role) {
+        return res.redirect(`${roleName ? "/" + roleName : ""}/login?redirect_to=${req.originalUrl}`);
+      } else if (two_factor_authentication) {
+        return res.redirect(`/${roleName}/verify-account`);
+      } else {
+        next();
+      }
+    };
+  },
+
+  preventAuthRoutes: function (role, roleName) {
+    return (req, res, next) => {
+      const sessionRole = req.session.role;
+
+      if (sessionRole === role) {
+        return res.redirect("/" + roleName + "/dashboard");
+      } else {
+        next();
+      }
+    };
+  },
+
+  prevent2FA: function (role, roleName) {
+    return (req, res, next) => {
+      const currentRole = req.session.role;
+      const twoFA = req.session.two_factor_authentication;
+
+      if (currentRole !== role || !twoFA) {
+        return res.redirect("/" + roleName + "/login");
+      } else {
+        next();
+      }
+    };
+  },
+
+  randomString: function (len) {
+    const charSet = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789~!@#$%^&*()_+{}|":?><,./;[]';
+    let randomString = "";
+    for (let i = 0; i < len; i++) {
+      let randomPoz = Math.floor(Math.random() * charSet.length);
+      randomString += charSet.substring(randomPoz, randomPoz + 1);
+    }
+    return randomString;
+  },
+};