check platform after calling each method

src/Main.js

@@ -1,8 +1,5 @@
 const util = require("./Util");
 
-util.checkNodeVersion();
-util.checkPlatform();
-
 module.exports = {
   name: require("../package.json").name,
   version: require("../package.json").version,

src/methods/allow.js

@@ -10,6 +10,10 @@ const util = require("../Util");
   * @returns {Promise<Boolean>} Returns a boolean.
 */
 module.exports.port = async function (port, protocol) {
+  util.checkNodeVersion();
+  util.checkPlatform();
+  await util.checkPlatformExact();
+  
   try {
     if (!port) throw new Error("Missing port input.");
     if (typeof port !== "number") throw new Error("The port must be type of number.");
@@ -51,6 +55,10 @@ module.exports.port = async function (port, protocol) {
   * @returns {Promise<Boolean>} Returns a boolean.
 */
 module.exports.address = async function (address, port, protocol) {
+  util.checkNodeVersion();
+  util.checkPlatform();
+  await util.checkPlatformExact();
+
   try {
     // address validation
     if (!address) throw new Error("Missing address input.");

src/methods/delete.js

@@ -1,6 +1,7 @@
 const {exec} = require("child_process");
 const {promisify} = require("util");
 const promisifiedExec = promisify(exec);
+const util = require("../Util");
 
 /**
   * Delete ufw rule(s). (root/sudo access is mandatory)
@@ -8,6 +9,10 @@ const promisifiedExec = promisify(exec);
   * @returns {Promise<Boolean>} Returns a boolean.
 */
 module.exports = async function(num) {
+  util.checkNodeVersion();
+  util.checkPlatform();
+  await util.checkPlatformExact();
+  
   try {
     if (!num) throw new Error("Missing num input.");
     if (typeof num !== "number") throw new Error("The num must be type of number.");

src/methods/deny.js

@@ -10,6 +10,10 @@ const util = require("../Util");
   * @returns {Promise<Boolean>} Returns a boolean.
 */
 module.exports.port = async function (port, protocol) {
+  util.checkNodeVersion();
+  util.checkPlatform();
+  await util.checkPlatformExact();
+  
   try {
     if (!port) throw new Error("Missing port input.");
     if (typeof port !== "number") throw new Error("The port must be type of number.");
@@ -51,6 +55,10 @@ module.exports.port = async function (port, protocol) {
   * @returns {Promise<Boolean>} Returns a boolean.
 */
 module.exports.address = async function (address, port, protocol) {
+  util.checkNodeVersion();
+  util.checkPlatform();
+  await util.checkPlatformExact();
+
   try {
     // address validation
     if (!address) throw new Error("Missing address input.");

src/methods/disable.js

@@ -1,12 +1,17 @@
 const {exec} = require("child_process");
 const {promisify} = require("util");
 const promisifiedExec = promisify(exec);
+const util = require("../Util");
 
 /**
   * Disable ufw. (root/sudo access is mandatory)
   * @returns {Promise<Boolean>} Returns a boolean.
 */
 module.exports = async function() {
+  util.checkNodeVersion();
+  util.checkPlatform();
+  await util.checkPlatformExact();
+
   try {
     let res = await promisifiedExec(`echo "y" | sudo ufw disable`);
 

src/methods/enable.js

@@ -1,12 +1,17 @@
 const {exec} = require("child_process");
 const {promisify} = require("util");
 const promisifiedExec = promisify(exec);
+const util = require("../Util");
 
 /**
   * Enable ufw. (root/sudo access is mandatory)
   * @returns {Promise<Boolean>} Returns a boolean.
 */
 module.exports = async function() {
+  util.checkNodeVersion();
+  util.checkPlatform();
+  await util.checkPlatformExact();
+
   try {
     // https://serverfault.com/a/790150
     let res = await promisifiedExec(`echo "y" | sudo ufw enable`);

src/methods/status.js

@@ -1,6 +1,7 @@
 const {exec} = require("child_process");
 const {promisify} = require("util");
 const promisifiedExec = promisify(exec);
+const util = require("../Util");
 
 /**
   * List of currently activated ufw. (root/sudo access is mandatory)
@@ -8,6 +9,10 @@ const promisifiedExec = promisify(exec);
   * @returns {Promise<string | {to: string, action: string, from: string}[]>} Returns a string if "raw" param is included, otherwise a list of array with to/action/from.
 */
 module.exports = async function(raw) {
+  util.checkNodeVersion();
+  util.checkPlatform();
+  await util.checkPlatformExact();
+
   if (raw && typeof raw !== "boolean") {
     throw new Error("The raw must be type of boolean.");
   };