rewrite to a module

extra_modules/SHA.js

@@ -1,5 +1,4 @@
-const crypto = require('crypto');
-
+import crypto from "crypto";
 /**
  * hashes with the secure hashing algorithm 256
  * @param       {string} str   string to hash
@@ -7,19 +6,21 @@ const crypto = require('crypto');
  * @param       {number} num   amount of times to hash, defaults to 1
  * @returns     {string}    base64 digested hash
  */
-function SHA256(str,salt,num) {
-  if(!num && num!==0)num=1;
-  if(!str)return;
-  let ret = str;
-  for (let i = 0; i < num; i++) {
-    ret = crypto
-      .createHash("sha256")
-      .update(ret+salt)
-      .digest("base64");
-  }
-  return ret;
-}
-
-module.exports = {
-  SHA256: SHA256
+function SHA256(str, salt, num) {
+    if (!num && num !== 0)
+        num = 1;
+    if (!str)
+        return;
+    let ret = str;
+    for (let i = 0; i < num; i++) {
+        ret = crypto
+            .createHash("sha256")
+            .update(ret + salt)
+            .digest("base64");
+    }
+    return ret;
 }
+export { SHA256 };
+export default {
+    SHA256: SHA256
+};

extra_modules/getip.js

@@ -1,15 +1,14 @@
-const fs = require('fs');
-const config = JSON.parse(fs.readFileSync("server_config.json"))
-
+import fs from "fs";
+const config = JSON.parse(fs.readFileSync("server_config.json"));
 /**
  * gets ip of a request
- * @param {request} req 
+ * @param {request} req
  * @returns ip of the given request, after taking preferred headers into account
  */
- function getIP(req) {
+function getIP(req) {
     let ip = req.socket.remoteAddress;
-    if(req.headers[config.preferred_ip_header] != undefined && ip == config.only_prefer_when_ip)ip = req.headers[config.preferred_ip_header]
-    return ip
-  }
-
-module.exports = getIP
+    if (req.headers[config.preferred_ip_header] != undefined && ip == config.only_prefer_when_ip)
+        ip = req.headers[config.preferred_ip_header];
+    return ip;
+}
+export default getIP;

extra_modules/unsign.js

@@ -1,7 +1,7 @@
-const signature = require('cookie-signature')
-const fs = require('fs');
-const cookiesecret = fs.readFileSync("cookiesecret.txt").toString()
-const getIP = require("./getip.js")
+import * as signature from "cookie-signature";
+import fs from "fs";
+import getIP from "./getip.js";
+const cookiesecret = fs.readFileSync("cookiesecret.txt").toString();
 /**
  * usignes a string
  * @param  {string} text               text to unsign
@@ -9,40 +9,41 @@ const getIP = require("./getip.js")
  * @param  {response} res                response object
  * @return {string/boolean}      unsigned text, or if unsigning was unsuccessful, false
  */
-function unsign(text,req,res) {
-  let ip = getIP(req)
-  let unsigned = signature.unsign(text,cookiesecret+ip)
-  if(!unsigned) {
-    return false
-  }
-  return unsigned
+function unsign(text, req, res) {
+    let ip = getIP(req);
+    let unsigned = signature.unsign(text, cookiesecret + ip);
+    if (!unsigned) {
+        return false;
+    }
+    return unsigned;
 }
-
 /**
  * unsignes the auth cookie of a request, also sends json response if auth cookie was invalid
  * @param  {request} req               request object
  * @param  {response} res               response object
  * @return {string/boolean}     unsigned cookie, or if unsigning was unsuccessful, false
  */
-function getunsigned(req,res) {
-  let cookie = req.cookies.AUTH_COOKIE
-  if(!cookie){
-    res.status(400)
-    res.json({"error":"you are not logged in! (no cookie)"})
-    return
-  }
-  let unsigned = unsign(cookie,req,res)
-  if(!unsigned){
-    try {
-      res.status(400)
-      res.json({"error":"Bad auth cookie set"})
-    } catch (ignored) {} //sometimes it errors, gotta debug soon
-    return false
-  }
-  return decodeURIComponent(unsigned)
-}
-
-module.exports = {
-  unsign: unsign,
-  getunsigned: getunsigned
+function getunsigned(req, res) {
+    let cookie = req.cookies.AUTH_COOKIE;
+    if (!cookie) {
+        res.status(400);
+        res.json({ "error": "you are not logged in! (no cookie)" });
+        return;
+    }
+    let unsigned = unsign(cookie, req, res);
+    if (!unsigned) {
+        try {
+            res.status(400);
+            res.json({ "error": "Bad auth cookie set" });
+        }
+        catch (ignored) { } //sometimes it errors, gotta debug soon
+        return false;
+    }
+    return decodeURIComponent(unsigned);
 }
+export { unsign };
+export { getunsigned };
+export default {
+    unsign: unsign,
+    getunsigned: getunsigned
+};

extra_modules/xor.js

@@ -1,27 +1,19 @@
 function XOR_hex(a, b) {
-    var res = "",
-        i = a.length,
-        j = b.length;
-    while (i-->0 && j-->0)
+    var res = "", i = a.length, j = b.length;
+    while (i-- > 0 && j-- > 0)
         res = (parseInt(a.charAt(i), 16) ^ parseInt(b.charAt(j), 16)).toString(16) + res;
     return res;
 }
-
-function hexEncode(a){
+function hexEncode(a) {
     let hex;
-
     let result = "";
-    for (let i=0; i<a.length; i++) {
+    for (let i = 0; i < a.length; i++) {
         hex = a.charCodeAt(i).toString(16);
-        result += ("000"+hex).slice(-4);
+        result += ("000" + hex).slice(-4);
     }
-
-    return result
+    return result;
 }
-
-function xor(a,b) {
-    return XOR_hex(hexEncode(a),hexEncode(b)).toString("hex")
+function xor(a, b) {
+    return XOR_hex(hexEncode(a), hexEncode(b)).toString("hex");
 }
-
-module.exports = xor
-  
+export default xor;