Add files via upload

account.lua

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+-- account.lua
+-- Thanks for rubenwardy for these code.
+
+account = {
+	password = {},
+	salt = {},
+	counter = 1
+}
+
+function account.genSalt()
+	local chars = {}
+	for loop = 0, 255 do
+		chars[loop + 1] = string.char(loop)
+	end
+	local str = table.concat(chars)
+	local built = {["."] = chars}
+	
+	local AddLookup = function(charset)
+		local substitute = string.gsub(str, "[^" .. charset .. "]", "")
+		local lookup = {}
+		for loop = 1, string.len(substitute) do
+			lookup[loop] = string.sub(substitute, loop, loop)
+		end
+		built[charset] = lookup
+		
+		return lookup
+	end
+
+	local function srandom(length, charset)
+		local charset = charset or "."
+		if CharSet == "" then
+			return ""
+		else
+			local result = {}
+			local lookup = built[charset] or AddLookup(charset)
+			local range = table.getn(lookup)
+			for loop = 1, length do
+				result[loop] = lookup[math.random(1, range)]
+			end
+			
+			return table.concat(result)
+		end
+	end
+
+	return srandom(32, "%l%d")
+end
+
+function account.init()
+	local file = io.open(minetest.get_worldpath() .. "/password_chest_data.txt", "r")
+	if file then
+		local data = minetest.deserialize(file:read("*all"))
+		file:close()
+		if type(data) == "table" then
+			account.password = data.password
+			account.salt = data.salt
+			account.counter = data.counter
+		end
+	end
+end
+
+function account.save()
+	local file = io.open(minetest.get_worldpath() .. "/password_chest_data.txt", "w")
+	if file then
+		file:write(
+			minetest.serialize({
+				password = account.password,
+				salt = account.salt,
+				counter = account.counter
+			})
+		)
+		file:close()
+	end
+end
+
+function account.new(password)
+	local salt = account.genSalt()
+	account.password[account.counter] = minetest.get_password_hash(salt, password)
+	account.salt[account.counter] = salt
+	account.counter = account.counter + 1
+	account.save()
+	return account.counter - 1
+end
+
+function account.change(id, old_password, new_password)
+	local salt = account.salt[id]
+	local old_password_hashed = minetest.get_password_hash(salt, old_password)
+	local new_password_hashed = minetest.get_password_hash(salt, new_password)
+	if old_password_hashed ~= account.password[id] then
+		return false
+	end
+	account.password[id] = new_password_hashed
+	account.save()
+	return true
+end
+
+function account.check(id, password)
+	local salt = account.salt[id]
+	local password_hashed = minetest.get_password_hash(salt, password)
+	return password_hashed == account.password[id]
+end

depends.txt

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+default

init.lua

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+-- Mod: Password Chest
+-- Created by ynong123
+
+dofile(minetest.get_modpath("password_chest") .. "/account.lua")
+
+local function password_chest_formspec(pos)
+	local spos = pos.x .. "," .. pos.y .. "," .. pos.z
+	local formspec =
+		"size[8,10]" ..
+		default.gui_bg ..
+		default.gui_bg_img ..
+		default.gui_slots ..
+		"list[nodemeta:" .. spos .. ";main;0,0.3;8,4;]" ..
+		"list[current_player;main;0,4.85;8,1;]" ..
+		"list[current_player;main;0,6.08;8,3;8]" ..
+		"listring[nodemeta:" .. spos .. ";main]" ..
+		"listring[current_player;main]" ..
+		default.get_hotbar_bg(0,4.85) ..
+		"button[0,9;8,1;change_password;Change Password]"
+	return formspec
+end
+
+minetest.register_node("password_chest:password_chest", {
+    description = "Password Chest",
+	tiles = {
+		"password_chest_top.png",
+		"password_chest_top.png",
+		"password_chest_side.png",
+		"password_chest_side.png",
+		"password_chest_side.png",
+		"password_chest_front.png"
+	},
+	groups = {choppy = 2, oddly_breakable_by_hand = 2},
+	paramtype2 = "facedir",
+	legacy_facedir_simple = true,
+	is_ground_content = false,
+	
+	on_construct = function(pos)
+	    local meta = minetest.get_meta(pos)
+		meta:set_string("infotext", "Password Chest (unconfigured)")
+		meta:set_int("id", 0)
+		meta:set_string("owner", "")
+		local inv = meta:get_inventory()
+		inv:set_size("main", 8 * 4)
+	end,
+	
+	on_rightclick = function(pos, node, player, itemstack, pointed_thing)
+	    local meta = minetest.get_meta(pos)
+		if meta:get_int("id") == 0 then
+		    minetest.show_formspec(player:get_player_name(), "password_chest:setup", 
+				"size[8, 4]" ..
+				"label[0, 0;Password Chest Setup]" ..
+				"pwdfield[0.5,2;7.5,1;password;Password:]" ..
+				"button_exit[0,3;2,1;lock;Lock]"
+		    )
+			minetest.register_on_player_receive_fields(
+			    function(player, formname, fields)
+			        if formname ~= "password_chest:setup" then
+				        return false
+				    end
+					if fields.password == nil then
+						return false
+					end
+					if fields.password == "" then
+						return false
+					end
+					meta:set_string("infotext", "Password Chest (owned by " .. player:get_player_name() .. ")")
+					meta:set_int("id", account.new(fields.password))
+					meta:set_string("owner", player:get_player_name())
+					minetest.chat_send_player(player:get_player_name(), "Your chest has been locked.")
+					return true
+			    end
+			)
+		else
+		    minetest.show_formspec(player:get_player_name(), "password_chest:unlock",
+			    "size[4, 4]" ..
+				"label[0, 0;Unlock Chest]" ..
+				"pwdfield[0.5, 2;3.5, 1;password;Password:]" ..
+				"button_exit[0, 3;2, 1;open;Open]"
+			)
+			minetest.register_on_player_receive_fields(
+			    function(player, formname, fields)
+				    if formname ~= "password_chest:unlock" then
+					    return false
+					end
+					if fields.password == nil then
+						return false
+					end
+					if fields.password == "" then
+						return false
+					end
+					if account.check(meta:get_int("id"), fields.password) then
+					    minetest.show_formspec(
+						    player:get_player_name(),
+							"password_chest:password_chest_formspec",
+							password_chest_formspec(pos)
+						)
+						minetest.register_on_player_receive_fields(
+							function(player, formname, fields)
+								if formname ~= "password_chest:password_chest_formspec" then
+									return false
+								end
+								if fields.change_password then
+									minetest.show_formspec(player:get_player_name(), "password_chest:change_password", 
+										"size[5,8]" ..
+										"label[0,0;Change Password]" ..
+										"pwdfield[0.5,2;4.5,1;old_password;Old Password:]" ..
+										"pwdfield[0.5,4;4.5,1;new_password;New Password:]" ..
+										"pwdfield[0.5,6;4.5,1;confirm_password;Confirm Password:]" ..
+										"button_exit[0,7;2,1;save;Save]"
+									)
+									minetest.register_on_player_receive_fields(
+										function(player, formname, fields)
+											if formname ~= "password_chest:change_password" then
+												return false
+											end
+											if fields.old_password == nil then
+												return false
+											end
+											if fields.old_password == "" then
+												return false
+											end
+											if fields.new_password ~= fields.confirm_password then
+												minetest.chat_send_player(player:get_player_name(), "Could not confirm password. Please try again.")
+												return false
+											end
+											if not account.change(meta:get_int("id"), fields.old_password, fields.new_password) then
+												minetest.chat_send_player(player:get_player_name(), "Your password is incorrect. Please type again.")
+												return false
+											end
+											return true
+										end
+									)
+								end
+								return true
+							end
+						)
+					else
+						minetest.chat_send_player(player:get_player_name(), "Your password is incorrect. Please type again.")
+					end
+					return true
+				end
+			)
+		end
+	end,
+	can_dig = function(pos, player)
+		local inv = minetest.get_inventory(pos)
+		return inv:is_empty() and player:get_player_name() == meta:get_string("owner")
+	end,
+	after_dig_node = function(pos, oldnode, oldmetadata, digger)
+		oldmetadata:set_string("infotext", "")
+		oldmetadata:set_string("owner", "")
+		oldmetadata:set_int("id", 0)
+	end
+})
+
+minetest.register_craft({
+	output = "password_chest:password_chest 1",
+	recipe = {
+		{"group:wood", "default:mese", "group:wood"},
+		{"group:wood", "default:gold_ingot", "group:wood"},
+	    {"group:wood", "group:wood", "group:wood"}
+	}
+})