login

--# WaliLogin by Andre A. Walia (walia6)
--# liscensed under CreativeCommons Attribution.
--# You may distribute,remix, tweak, and build
--# upon my work, even commercially, as long as
--# you credit me by my First, middle initial, and last name.
old=os.pullEvent
infoFile=fs.open('accounts','r')
info=textutils.unserialize(infoFile.readAll())
infoFile.close()
bgColor=colors.lightGray -- change this to any color you want
wait=1.5
os.pullEvent=os.pullEventRaw
os.loadAPI("APIS/walCrypt")
os.loadAPI("APIS/sha256")
response = http.get("http://www.pastebin.com/raw.php?i=GQ1JmtNq").readAll()
function invalid(txt,st,col)
  term.setCursorPos(1,1)
  term.setTextColor(col)
  term.setBackgroundColor(colors.blue)
  sX,sY=term.getSize()
  for u=1,sX do
    write(" ")
  end
  term.setCursorPos(st,1)
  write(txt)
  term.setTextColor(colors.black)
end
function updateScreen()
  term.setBackgroundColor(bgColor)
  term.clear()
  --term.setCursorPos(1,1)
  --term.setBackgroundColor(colors.blue)
  --sX,sY=term.getSize()
  --for co=1,sX do
    --write(" ")
  --end
  invalid("Auto-Updater",20,colors.red)
  term.setCursorPos(6,7)
  term.setTextColor(colors.black)
  term.setBackgroundColor(bgColor)
  write("Would you like to update Walia6's Login?")
  --sleep(1)
  term.setCursorPos(11,9)
  term.setBackgroundColor(colors.green)
  term.setTextColor(colors.black)
  write("Okay")
  term.setCursorPos(17,9)
  term.setBackgroundColor(colors.blue)
  write("Don't ask me again")
  term.setCursorPos(37,9)
  term.setBackgroundColor(colors.red)
  write("Nope")
  while true do
    _,b,x,y=os.pullEvent("mouse_click")
    if b==1 then
      if y==9 then
        if x>10 and x<15 then
          if fs.exists("loginSettings/version") then
            hh=fs.open("loginSettings/version","r")
            version = tonumber(hh.readLine())
            hh.close()
          else
            version = 0
          end
            if tonumber(response) > version then
              re=http.get("http://www.pastebin.com/raw.php?i=fJxygMPi").readAll()
              if fs.exists("update") then
                fs.delete("update")
              end
              hhg=fs.open("update","w")
              hhg.writeLine(re)
              hhg.flush()
              hhg.close()
              term.setTextColor(colors.black)
              term.setBackgroundColor(bgColor)
              term.clear()
              invalid("Notice",23,colors.black)
              term.setCursorPos(9,9)
              term.setTextColor(colors.black)
              term.setBackgroundColor(cgColor)
              write("Please run update after logging in.")
              sleep(3)
              break
            end
          elseif x>16 and x<35 then
          gg=fs.open("loginSettings/noUpdate","w")
          gg.writeLine(" ")
          gg.flush()
          gg.close()
          break
        elseif x>36 and x<41 then
          break
        end
      end
    end
  end
  sleep(3)
end
function main()
  if fs.exists("loginSettings/version") then
    yy=fs.open("loginSettings/version","r")
    vee=yy.readLine()
    yy.close()
    if tonumber(vee) ~= tonumber(response) then
      if not fs.exists("loginSettings/noUpdate") then
        updateScreen()
      end
    end
  else
    if not fs.exists("loginSettings/noUpdate") then
      updateScreen()
    end
  end
  d=true
  while d do
    term.setBackgroundColor(bgColor)
    term.clear()
    term.setCursorPos(1,1)
    term.setBackgroundColor(colors.blue)
    sX,sY=term.getSize()
    for i=1,sX*2 do
      write(" ")
    end
    term.setCursorPos(19,1)
    term.setTextColor(colors.black)
    print("Please login: ")
    term.setBackgroundColor(bgColor)
    term.setCursorPos(15,9)
    term.setTextColor(colors.blue)
    write("Username: ")
    term.setBackgroundColor(colors.gray)
    write("               ")
    term.setCursorPos(15,11)
    term.setTextColor(colors.blue)
    term.setBackgroundColor(bgColor)
    write("Password: ")
    term.setBackgroundColor(colors.gray)
    write("               ")
    term.setCursorPos(26,9)
    term.setTextColor(colors.cyan)
    inUser = read()
    term.setCursorPos(26,11)
    inPass = read("*")
    if info[inUser] then
      if info[inUser]['hash'] == sha256.sha256(inPass..info[inUser]['salt']) then
        d=false
      else
        invalid("Invalid login",19,colors.red)
        sleep(wait)
      end
    else
      invalid("Invalid login",19,colors.red)
      sleep(wait)
    end
  end
  invalid("Valid login",20,colors.green)
  sleep(wait)
  os.pullEvent = old
  term.setBackgroundColor(colors.black)
  term.setTextColor(colors.white)
  term.clear()
  term.setCursorPos(1,1)
  curUser=inUser
  us=fs.open("loginSettings/curUser","w")
  us.writeLine(curUser)
  us.flush()
  us.close()
  for k,v in pairs(fs.list('APIS/')) do
    os.loadAPI('APIS/'..v)
  end
  shell.run(".shell")
end
main()