Advanced Bank System

[PACI 910]

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Hi, today I was a little bored, so I've done this quest and two functions also useful, for me, and maybe for you too.

So the quest is pretty simple, players can create his bank account by writing a password, choosing a security question and an answer to it.

 

They can login with their password or if they don't remember, they can reset it, but only if they have their security question's answer.

 

They can also change their data.

If the player fails his password when logging in or the answer to security's question, 5 times, they cannot log in or reset their password for 2 hours.

Firstly you have to add these functions and variable to your questlib.lua:

 

bank_path = '/game/bank'

function readline(path, x)
    local linetable = {}
    for line in io.lines(path..'/'..pc.name) do
        table.insert(linetable, line)
    end
    return linetable[x]
end
    
function write_in_file(path, text)
    if string.find(text, "%[ENTER%]") then
        text = string.gsub(text, "%[ENTER%]", "n")
    end
    local file = io.open(path..'/'..pc.name, 'w')
    file:write(text)
    file:close()
end

Next step is create a folder named bank, or if you want, the name is as you wish, but you have to write the path to that folder in bank_path. In this folder all infos about player's bank account would be saved. (Things like bank password, security question, answer to the security question, and finally the gold saved).

And now the quest:

 

quest advanced_bank begin
	state start begin
		when 20090.chat.'Bank' begin
			local question = {'Your moms name?', 'Your fathers name', 'Your pets name', 'Other'}
			say_title'Bank'
			if pc.getqf('has_bank_acc') == 0 then
				say'Hello! Welcome to our City Bank.[ENTER]I guess you havent an account here.'
				say'Let me explain you how this works:'
				say_reward'You have to write a password for your account[ENTER]a security question and a security answer.'
				say_reward'This will increase your security.[ENTER]No one can access your account unless they[ENTER]have your password.[ENTER]'
				say'You just need to pay 1.000.000 Gold[ENTER]to get your bank account.[ENTER]But always, remember:'
				say_reward'Do not use other games password.[ENTER]This would make easier to know your pw.[ENTER]And also because'
				say_reward'admins can see your password.[ENTER]The same is for your question and answer.[ENTER]'
				say'So.. you wanna continue, and get a[ENTER]bank account?'
				if select('Yes, of course.', 'Nah, forget it.') == 1 then
					if pc.get_gold() < 1000000 then
						say'Sorry, you dont have enough Gold.[ENTER]Come back when you get 1.000.000 Gold.'
						return
					end
					say'Okay, please write your bank acc pw.'
					local pw = input()
					if pw == '' then 
						say'Did you change your mind?'
						return
					end
					say'Next step is choose your security question.[ENTER]You can also write one if you want to.'
					local sqt = select_table(question)
					if sqt == 4 then
						say'Okay, please write your question:'
						local myquestion = input()
						if myquestion == '' then 
							say'Did you change your mind?'
							return 
						end
						question = myquestion
					else
						question = question[sqt]
					end
					say'Oh right, we are almost finishing.[ENTER]Now enter the answer to your question.'
					say_reward(question)
					local answ = input()
					if answ == nil then 
						say'Did you change your mind?'
						return 
					end
					advanced_bank.set_pc_bank_infos(pw, question, answ, 0)
					say'Great! You are now registered in our bank.[ENTER]Welcome! :)'
					pc.change_gold(-1000000)
				end
			else
				local mainmenu = select('Log in into my account','I forgot my password','Cancel')
				if mainmenu == 2 then
					if pc.getqf('tries') == 5 then
						say'Sorry, you have tried too many times.[ENTER]Please, try later.'
						pc.setqf('tries', get_time()+60*60*2)
						pc.setqf('is_delayed', 1)
						return
					elseif get_time() <= pc.getqf('tries') then
						say'Since you failed 5 times your password[ENTER]you have to wait 2 hours to try again.[ENTER]Too bad!'
						return
					end
					if pc.getqf('is_delayed') == 1 then pc.delqf('is_delayed') pc.delqf('tries') end
					say'Wow what the hell![ENTER]If you at least know your[ENTER]security answer, we can generate a new pw 4 you.'
					say'Please, write the RIGHT answer.'
					if input() ~= readline(bank_path, 3) then
						say'Wrong, sorry dude..'
						pc.setqf('tries', pc.getqf('tries')+1)
					else
						say'Okay, wait a minute.[ENTER]A number password is being generated.'
						wait()
						local random = number(1000, 9999)
						say('Your new password is '..tostring(random)..'.')
						advanced_bank.set_pc_bank_infos(random, readline(bank_path, 2), readline(bank_path, 3), readline(bank_path, 4))
					end
					return
				end
				if pc.getqf('tries_to_login') == 5 then
					say'Sorry, you have tried to log in too many times.[ENTER]Please try later.'
					pc.setqf('tries_to_login', get_time()+60*60*2)
					pc.setqf('is_login_delayed', 1)
					return
				elseif get_time() <= pc.getqf('tries_to_login') then
					say'Since you failed 5 times your password[ENTER]you have to wait 2 hours to try again.[ENTER]Too bad!'
					return
				end
				if pc.getqf('is_login_delayed') == 1 then pc.delqf('is_login_delayed') pc.delqf('tries_to_login') end
				say'Yô dawg[ENTER]Welcome back.[ENTER]Please write your password to log in.'
				local login = input()
				say_title('Bank')
				if login ~= readline(bank_path,1) then
					say('Sorry, your password is wrong.')
					pc.setqf('tries_to_login', pc.getqf('tries_to_login')+1) 
					return 
				end
				say'Welcome to Clients Panel.[ENTER]What do you want to do?'
				say_reward('Currently you have '..readline(bank_path, 4)..' Gold saved.')
				local sel = select('Take Gold', 'Save Gold', 'Change data', 'Nothing')
				if sel ~= 4 then
					say_title('Bank')
					if sel ~= 3 then
						say_reward('Currently you have '..readline(bank_path,4)..' Gold saved.')
					end
				end
				if sel == 1 then
					say'You have to write how much Gold[ENTER]you want to receive.[ENTER]If you want to cancel, please write 0[ENTER]or do not write nothing.'
					local qt = tonumber(input())
					if qt == nil or qt == 0 then
						say'Did you change your mind?'
						return
					end
					say('So you want to receive '..qt..' Gold. Isnt it?')
					if select('Yes, it is.', 'Hmm, no') == 1 then advanced_bank.give_money(qt) end
				elseif sel == 2 then
					say'How much Gold you want to save?'
					local whatiwant = tonumber(input())
					if whatiwant ~= nil then
						say('So do you really want to save '..whatiwant..' Gold?')
						if select('Yes, I want to', 'No, no sorry.') == 1 then
							if pc.get_gold() < whatiwant then
								say('You dont have that Gold to save..')
								return
							end
							advanced_bank.save_money(whatiwant)
							pc.change_gold(-whatiwant)
							say('Done.[ENTER]Now you have more '..whatiwant..' Gold in your account.')
						end
					end
				elseif sel == 3 then
					local new
					say'What do you want to change?'
					local change = select('Password', 'Security data (Question & Answer)', 'Nothing')
					if change ~= 3 then
						say'Please, write your password.'
						if input() ~= readline(bank_path,1) then say'The password you entered is wrong.' return end
						say'Please, write the Answer to your security question:'
						say_reward(readline(bank_path, 2))
						if input() ~= readline(bank_path,3) then say'The answer you entered is wrong.' return end
						if change == 1 then
							say'Write your new password:'
							local newpw = input()
							if newpw == '' then say'Did you change your mind?' return end
							advanced_bank.set_pc_bank_infos(newpw, readline(bank_path, 2), readline(bank_path, 3), readline(bank_path,4))
							say'Your password has been changed.'
						else
							say'Okay, choose your new Security Question:'
							local newquestion = select_table(question)
							if newquestion == table.getn(question) then
								say'Write the security question you want:'
								local newq = input()
								if newq == '' then say'Did you change your mind?' return end
								newquestion = newq
							else
								newquestion = question[newquestion]
							end
							say'Oh right, one more step left.[ENTER]Write the answer to your question:'
							local newanswer = input()
							if newanser == '' then say'Did you changed your mind?' return end
							advanced_bank.set_pc_bank_infos(readline(bank_path,1), newquestion, newanswer, readline(bank_path,4))
							say'Your Security data has been changed.'
						end
					end
				end
			end
		end

		function set_pc_bank_infos(pw, question, answer, money)
			write_in_file(bank_path, pw..'[ENTER]'..question..'[ENTER]'..answer..'[ENTER]'..money..'[ENTER]')
			pc.setqf('has_bank_acc', 1)
		end

		function give_money(value)
			if pc.get_gold() + value >= 2000000000 then
				say'You cant take that value. It will bug!'
				return
			elseif tonumber(readline(bank_path ,4)) < value then
				say'You dont have that much Gold in your bank acc.'
				return
			end
			pc.change_gold(value)
			advanced_bank.save_money(tonumber(readline(bank_path,4))-value)
		end

		function save_money(value)
			write_in_file(bank_path, readline(bank_path, 1)..'[ENTER]'..readline(bank_path, 2)..'[ENTER]'..readline(bank_path, 3)..'[ENTER]'..value)
		end

	end
end

I think the quest is a little big, but it's ok.

[DevelopeR 0]

Put the DB

 

[ATAG 309]

Don't use pc.name for filenames, if name change is enabled.

[.InyaProduction 1079]

pc.get_player_id() would be the better soulution

[Originale 132]

@PACIFICADOR

 

http://metin2dev.org/board/topic/282-ultime-bank-system/#entry2043