src/channel/anonymouspost.js

   1 "use strict";
   2
   3 var ChannelModule = require("./module");
   4 var Flags = require("../flags");
   5
   6 function makeIPHash(ip) {
   7         var numeric = 0;
   8         for(var i = 0 ; i < ip.length ; i++){
   9                 if(ip.charAt(i) != '.'){
  10                         numeric += ip.charAt(i);
  11                 }
  12         }
  13         numeric = parseInt(numeric);
  14         return  makeID((numeric * 13) % 1000000);
  15 }
  16
  17 function makeID(id_number){
  18         var id_string = "" + id_number;
  19         var processed_string = "";
  20         for(var i = 0 ; i < id_string.length ; i += 2){
  21                 var num = id_string.charAt(i)
  22                 if(i + 1 < id_string.length) num += id_string.charAt(i + 1);
  23                 num = parseInt(num) % 61;
  24                 processed_string += convertNumToIDChar("" + num);
  25         }
  26         return processed_string;
  27 }
  28
  29 // Xaekai on Jan 14, 2019
  30 function convertNumToIDChar(num){
  31         const i = parseInt(num, 10);
  32         switch(true){
  33                 case i > -1 && i < 26: return String.fromCharCode(i+97);
  34                 case i > 25 && i < 52: return String.fromCharCode(i+39);
  35                 case i > 51 && i < 61: return String.fromCharCode(i-3);
  36                 case i === 61: return '0';
  37         }
  38         console.log('notret');
  39 }
  40
  41 function AnonymousPost(_channel) {
  42     ChannelModule.apply(this, arguments);
  43 }
  44
  45 AnonymousPost.prototype = Object.create(ChannelModule.prototype);
  46
  47 AnonymousPost.prototype.onUserPreJoin = function (user, data, cb) {
  48     const opts = this.channel.modules.options;
  49     var anonymousPosting = opts.get("allow_anon_chat");
  50         if(anonymousPosting && user.isAnonymous()){
  51                 var hash = makeIPHash(user.realip);
  52                 var anon_name = "Anonymous-" + hash;
  53                 var duplicate_solution = 0;
  54                 var duplicate_found = false;
  55                 do{
  56                         duplicate_found = false;
  57                         user.channel.users.forEach((user, i) => {
  58                                 if (!duplicated_found && user.account.name == anon_name){
  59                                         duplicate_solution++;
  60                                         anon_name = "Anonymous-" + hash + duplicate_solution;
  61                                         duplicate_found = true;
  62                                 }
  63                         });
  64                 }
  65                 while(duplicated_found);
  66                 user.guestLogin(anon_name);
  67                 cb(null, ChannelModule.PASSTHROUGH);
  68         }
  69         else{
  70                 cb(null, ChannelModule.PASSTHROUGH);
  71         }
  72 };
  73
  74 module.exports = AnonymousPost;
  75 //# sourceMappingURL=anonymouspost.js.map