BBS Master Script

// ==UserScript==
// @name             BBS Master Script
// @namespace        dollars-bbs.org
// @author           Degritone
// @description      Allows Degritone's BBS scripts to auto-update
// @match            *://*/*
// @grant            GM.setValue
// @grant            GM.getValue
// @grant            GM.deleteValue
// ==/UserScript==

let version = 1.02;

function request(url){
  let xmlHttp = new XMLHttpRequest();
  xmlHttp.open("GET",url,false);
  xmlHttp.send(null);
  return xmlHttp.responseText;
}

let scriptToggles = [];

function settings(scriptNames,scriptDescriptions,runnable){
  if(scriptNames.length<1){
    setTimeout(run,1000);
    return;
  }
  if(window.location.href.startsWith("https://dollars-bbs.org")){
    settingHeader();
  }
  if(window.location.href == "https://dollars-bbs.org/settings"){
    let div = document.createElement("html");
    div.innerHTML = request("https://dollars-bbs.org/updates.html");
    document.getElementsByTagName("html")[0].innerHTML = div.innerHTML;
    let container = document.getElementById("contentarea");
    if(!container){
      settings(scriptNames,scriptDescriptions,runnable);
      return;
    }
    container.innerHTML = "<div>Here, you can select which of Name's/Degritone's Scripts to activate.</div><br><br>";
    let toggles = [];
    for(let i=0;i<scriptNames.length;i++){
      let label = document.createElement("label");
      let checkbox = document.createElement("input");
      toggles[i] = document.createElement("div");
      toggles[i].appendChild(checkbox);
      toggles[i].appendChild(label);
      container.appendChild(toggles[i]);

      checkbox.type = "checkbox";
      checkbox.id = scriptNames[i];
      checkbox.checked = scriptToggles[i];
      label.htmlFor = scriptNames[i];
      label.innerHTML = scriptNames[i]+": "+scriptDescriptions[i];
    }
    let d = document.createElement("button");
    container.appendChild(d);
    d.innerHTML = "Apply";
    d.onclick = ()=>saveMCookie(toggles,runnable);
    d.style = "position:relative; margin:auto; border-radius:7px; border:solid 2px #EEEEEE; background-color:#151515; padding:5px; padding-top:3px; text-decoration:none; font-size:14px; cursor:pointer; color:#EEEEEE;";

    container.style.width = "calc(100% - 180px)";
    container.appendChild(document.createElement("br"));
    container.appendChild(document.createElement("br"));

    document.title = "Dollars BBS | Settings";
  }
}

function settingHeader(){
  let pmenu = document.getElementById("pagemenu");
  if(!pmenu){
    setTimeout(settingHeader,1000);
    return;
  }
  let li = document.createElement("li");
  li.innerHTML = "<a href='https://dollars-bbs.org/settings'>Settings</a>";
  pmenu.appendChild(li);
}

function saveMCookie(toggles,runnable){
  for(let i=0;i<toggles.length;i++){
    for(let j=0;j<runnable[i].length;j++){
      GM.setValue("bbsMasterSettings."+toggles[i].children[0].id.replace(" ",""),toggles[i].children[0].checked);
    }
  }
  window.location.reload();
}

async function getMCookie(scriptNames){
  for(let i=0;i<scriptNames.length;i++){
    scriptToggles[i] = await GM.getValue("bbsMasterSettings."+scriptNames[i].replace(" ",""),false);
  }
}

async function run(){
  let runnable = [];
  let scriptURLs = [];
  let scriptNames = [];
  let scriptDescriptions = [];
  let masterURL = "https://pastebin.com/raw/y2wJrPKb";
  let aoonline = getAOOnline();
  let scriptContainer = await getScript(aoonline,"container",masterURL);
  if(!scriptContainer)
    return;
  eval(scriptContainer);
  await getMCookie(scriptNames);
  settings(scriptNames,scriptDescriptions,runnable);
  for(let i=0;i<scriptToggles.length;i++){
    if(!scriptToggles[i])
      continue;
    let c = false;
    for(let j=0;j<runnable[i].length;j++){
      c = c || window.location.href.startsWith(runnable[i][j]);
    }
    if(!c)
      continue;
    let script = await getScript(aoonline,scriptNames[i].replace(" ",""),scriptURLs[i]);
    if(!script)
      continue;
    runScript(script);
  }
}

async function runScript(script){
  eval(script);
}

function getAOOnline(){
  let xmlHttp = new XMLHttpRequest();
  xmlHttp.open("GET","https://api.allorigins.win/raw?url=https://pastebin.com/",false);
  try{
    xmlHttp.send(null);
  }catch(e){
    return false;
  }
  return xmlHttp.status==200;
}

async function getScript(aoonline,name,URL){
  let allorigins = "https://api.allorigins.win/raw?cacheMaxAge=0&disableCache=true&url=";
  if(aoonline){
    let script;
    try{
      script = request(allorigins+URL);
      if(script.match(/<!DOCTYPE html>/))
        throw {message:"request error"};
    }catch(e){
      console.log("allorigins online, failed to load script for unknown reasons.");
      console.log("Attempting to load script from local backup.");
      console.log("Error: "+e.message);
      return await GM.getValue("bbsMasterSettings.script."+name,null);
    }
    GM.setValue("bbsMasterSettings.script."+name,script);
    return script;
  }else
    return await GM.getValue("bbsMasterSettings.script."+name,null);
}

run();