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May 4th, 2014
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  1. --bankServer V: 0.2.1
  2.  
  3. local id = os.getComputerID()
  4. if fs.exists("server/id") then
  5.   local time = os.time()
  6.   local date = os.day()
  7.   local file = fs.open("backups/serverlog","a")
  8.   file.write(date..","..time.."("..id.."): Server started\n")
  9.   rednet.open("left")
  10.   local file = fs.open("backups/serverlog","a")
  11.   file.write(date..","..time.."("..id.."): RedNet activated\n")
  12.   file.close()
  13.   shell.run("clear")
  14.   print("Opening listening ports")
  15.   os.loadAPI("crypt")
  16.   sleep(2)
  17.   shell.run("clear")
  18.   print("Ports open, System online")
  19.   while true do
  20.     local id,msg = rednet.receive()
  21.     local data = textutils.unserialize(msg)
  22.     local cmd = data[1]
  23.     local acc = data[2]
  24.     local pwd = data[3]
  25.     local amt = data[4]
  26.     local toA = data[5]  
  27.     if cmd == "install" then
  28.       local file = fs.open("backups/serverlog","a")
  29.       file.write(date..","..time.."("..id.."): Attempting client install\n")
  30.       file.close()
  31.       print("("..id.."): Attempting Client Install")
  32.       if fs.exists("clients/")then
  33.         if fs.exists ("clients/"..id) then
  34.           rednet.send(id, " Client already installed")
  35.           local file = fs.open("backups/serverlog","a")
  36.           file.write(date..","..time..":"..id.."): Client already installed\n")
  37.           file.close()
  38.           print("("..id.."): Client already installed")
  39.         else
  40.           local file = fs.open("clients/"..id,"w")
  41.           file.close()
  42.           rednet.send(id, " Client installed")
  43.           local file = fs.open("backups/serverlog","a")
  44.           file.write(date..","..time.."("..id.."): Client installed\n")
  45.           file.close()
  46.           print("("..id.."): Client installed")
  47.         end
  48.       else
  49.         fs.makeDir("clients")
  50.         local file = fs.open("clients/"..id,"w")
  51.         file.close()
  52.         rednet.send(id, " Client installed")
  53.         local file = fs.open("backups/serverlog","a")
  54.         file.write(date..","..time.."("..id.."): Client installed\n")
  55.         file.close()
  56.         print("("..id.."):  Client installed")
  57.       end
  58.     elseif cmd == "create" then
  59.       if fs.exists("clients/"..id) then
  60.         if fs.exists("users/" ..acc)then
  61.           rednet.send(id, "used")
  62.           local file = fs.open("backups/serverlog","a")
  63.           file.write(date..","..time.."("..id.."): Account "..usr" already created\n")
  64.           file.close()
  65.           print("("..id.."): Account "..usr.." already created")
  66.         else
  67.           local file = fs.open("users/"..acc, "w")
  68.           file.write(textutils.serialize({name = acc, pass = pwd, bal = 1000}))
  69.           file.close()
  70.           rednet.send(id, "created")
  71.           local file = fs.open("backups/serverlog","a")
  72.           file.write(date..","..time.."("..id.."): Account "..acc.." created\n")
  73.           file.close()
  74.           print("("..id.."): Account "..acc.." created")
  75.         end
  76.     elseif cmd == "login" then
  77.       local file = fs.open("backups/serverlog","a")
  78.       file.write(date..","..time.."("..id.."): User: "..acc.." login\n")
  79.       file.close()
  80.       print("("..id.."): User "..acc.." authentication attempted")
  81.       if fs.exists("clients/"..id) then
  82.         if fs.exists("users/"..acc) then
  83.           local file = fs.open("users/"..acc, "r")
  84.           local data = file.readall()
  85.           file.close()
  86.           data = textutils.unserialize(data)
  87.           if data[pass] == pwd then
  88.             rednet.send(id, textutils.serialize({"confirm", data[name], data[bal]}))
  89.             local id,msg = rednet.receive()
  90.             local data = textutils.unserialize(msg)
  91.             if cmd == "withdraw" then
  92.               local file = fs.open("backups/serverlog","a")
  93.               file.write(date..","..time.."("..id.."): "..acc.." Withdraw attempt\n")
  94.               file.close()
  95.               print("("..id.."): User "..acc.." Withdrawal attempted")
  96.               newBal = math.floor(bal-amt)  
  97.               local file = fs.open("users/"..acc, "w")
  98.               file.write(textutils.serialize({name = acc, pass = pwd, bal = newBal}))
  99.               file.close()
  100.               local file = fs.open("backups/serverlog","a")
  101.               file.write(date..","..time.."("..id.."): "..acc.." Withdrew "..amt"\n")
  102.               file.close()
  103.               rednet.send(id, textutils.serialize({"confirm", acc, bal = newBal}))
  104.             elseif cmd == "deposit" then
  105.               local file = fs.open("backups/serverlog","a")
  106.               file.write(date..","..time.."("..id.."): "..acc.." Deposit attempt\n")
  107.               file.close()
  108.               print("("..id.."): User "..acc.." Deposit attempted")
  109.               newBal = math.floor(bal+amt)  
  110.               local file = fs.open("users/"..acc, "w")
  111.               file.write(textutils.serialize({name = acc, pass = pwd, bal = newBal}))
  112.               file.close()
  113.               local file = fs.open("backups/serverlog","a")
  114.               file.write(date..","..time.."("..id.."): "..acc.." Deposited "..amt"\n")
  115.               file.close()
  116.               rednet.send(id, textutils.serialize({"confirm", acc, bal = newBal}))
  117.             elseif cmd == "transfer" then
  118.               local file = fs.open("backups/serverlog","a")
  119.               file.write(date..","..time.."("..id.."): "..acc.." transfer attempt\n")
  120.               file.close()
  121.               print("("..id.."): User "..acc.." Transfer attempted")
  122.               newBal = math.floor(bal-amt)  
  123.               local file = fs.open("users/"..acc, "w")
  124.               file.write(textutils.serialize({name = acc, pass = pwd, bal = newBal}))
  125.               file.close()
  126.               rednet.send(id, textutils.serialize({"confirm", acc, bal = newBal}))
  127.               local file = fs.open("users/"..toA, "r")
  128.               local data = file.readall()
  129.               file.close()
  130.               newBal = math.floor(bal+amt)  
  131.               local file = fs.open("users/"..toA, "w")
  132.               file.write(textutils.serialize({name = acc, pass = pwd, bal = newBal}))
  133.               file.close()
  134.               local file = fs.open("backups/serverlog","a")
  135.               file.write(date..","..time.."("..id.."): "..acc.." transferred $"..amt.." to: "..toA"\n")
  136.               file.close()
  137.               print("("..id.."): User "..acc.." transferred $"..amt.." to: "..toA)
  138.             else
  139.               rednet.send(id, textutils.serialize({"declined"}))
  140.               local file = fs.open("backups/serverlog","a")
  141.               file.write(date..","..time.."("..id.."): Unknown command "..cmd.." entered\n")
  142.               file.close()
  143.               print("("..id.."): Unknown command "..cmd.." entered")
  144.             end
  145.           else
  146.             rednet.send(id, textutils.serialize({"declined"}))
  147.             local file = fs.open("backups/serverlog","a")
  148.             file.write(date..","..time.."("..id.."): "..acc.." Password incorrect\n")
  149.             file.close()
  150.             print("("..id.."): User "..acc.." entered an incorrect password")
  151.           end
  152.         else
  153.           rednet.send(id, textutils.serialize({"declined"}))
  154.           local file = fs.open("backups/serverlog","a")
  155.           file.write(date..","..time.."("..id.."): User "..acc.." doesn't exist\n")
  156.           file.close()
  157.           print("("..id.."): User "..acc.." doesn't exist")
  158.         end
  159.       else
  160.         rednet.send(id, textutils.serialize({"declined"}))
  161.         local file = fs.open("backups/serverlog","a")
  162.         file.write(date..","..time.."("..id.."):Unrecognised client\n")
  163.         file.close()
  164.         print("("..id.."): Unrecognised client, access denied")
  165.       end
  166.     elseif cmd == "eCharge" then
  167.       local file = fs.open("backups/serverlog","a")
  168.       file.write(date..","..time.."("..id.."): "..acc.." transfer attempt\n")
  169.       file.close()
  170.       print("("..id.."): User "..acc.." Transfer attempted")
  171.       local amt = 0.5
  172.       newBal = math.floor(bal-amt)  
  173.       local file = fs.open("users/"..acc, "w")
  174.       file.write(textutils.serialize({name = acc, pass = pwd, bal = newBal}))
  175.       file.close()
  176.       rednet.send(id, textutils.serialize({"confirm", acc, bal = newBal}))
  177.       local file = fs.open("users/"..toA, "r")
  178.       local data = file.readall()
  179.       file.close()
  180.       newBal = math.floor(bal+amt)  
  181.       local file = fs.open("users/"..toA, "w")
  182.       file.write(textutils.serialize({name = acc, pass = pwd, bal = newBal}))
  183.       file.close()
  184.       local file = fs.open("backups/serverlog","a")
  185.       file.write(date..","..time.."("..id.."): "..acc.." transferred $"..amt.." to: "..toA"\n")
  186.       file.close()
  187.       print("("..id.."): User "..acc.." transferred $"..amt.." to: "..toA)
  188.     else rednet.send(id, textutils.serialize({"declined"}))
  189.       local file = fs.open("backups/serverlog","a")
  190.       file.write(date..","..time.."("..id.."): Unknown command "..cmd.." entered\n")
  191.       file.close()
  192.       print("("..id.."): Unknown command "..cmd.." entered")
  193.     end
  194.   end
  195. end
  196. else
  197.   local id = os.getComputerID()
  198.   fs.makeDir("server")
  199.   local file = fs.open("server/id","w")
  200.   file.write(id)
  201.   file.close()
  202.   local file = fs.open("backups/serverlog","a")
  203.   file.write(date..","..time.."("..id.."): Server Created\n")
  204.   file.close()
  205.   print("This Server's ID is "..id)
  206.   sleep(5)
  207. end
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