143 lines
3.7 KiB
Lua
143 lines
3.7 KiB
Lua
-- account.lua
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-- Thanks for rubenwardy for these code.
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account = {
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password = {},
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salt = {},
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pos = {},
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counter = 0
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}
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function account.genSalt()
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local chars = {}
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for loop = 0, 255 do
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chars[loop + 1] = string.char(loop)
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end
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local str = table.concat(chars)
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local built = {["."] = chars}
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local AddLookup = function(charset)
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local substitute = string.gsub(str, "[^" .. charset .. "]", "")
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local lookup = {}
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for loop = 1, string.len(substitute) do
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lookup[loop] = string.sub(substitute, loop, loop)
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end
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built[charset] = lookup
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return lookup
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end
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local function srandom(length, charset)
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local charset = charset or "."
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if CharSet == "" then
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return ""
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else
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local result = {}
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local lookup = built[charset] or AddLookup(charset)
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local range = table.getn(lookup)
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for loop = 1, length do
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result[loop] = lookup[math.random(1, range)]
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end
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return table.concat(result)
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end
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end
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return srandom(32, "%l%d")
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end
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function account.init()
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local file = io.open(minetest.get_worldpath() .. "/password_chest_data.txt", "r")
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if file then
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local data = minetest.deserialize(file:read("*all"))
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file:close()
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if type(data) == "table" then
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account.password = data.password
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account.salt = data.salt
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account.pos = data.pos
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account.counter = data.counter
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end
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end
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end
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function account.save()
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local file = io.open(minetest.get_worldpath() .. "/password_chest_data.txt", "w")
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if file then
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file:write(
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minetest.serialize({
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password = account.password,
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salt = account.salt,
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pos = account.pos,
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counter = account.counter
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})
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)
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file:close()
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end
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end
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function account.new(password, pos)
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local salt = account.genSalt()
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account.counter = account.counter + 1
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account.password[account.counter] = minetest.get_password_hash(salt, password)
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account.salt[account.counter] = salt
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account.pos[account.counter] = pos
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account.save()
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return account.counter
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end
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function account.delete(id)
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local meta = minetest.get_meta(account.pos[id])
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meta:set_string("infotext", "Password Chest (unconfigured)")
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meta:set_string("owner", "")
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meta:set_int("id", 0)
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for i = id, account.counter - 1, 1 do
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account.password[i] = account.password[i + 1]
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account.salt[i] = account.salt[i + 1]
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account.pos[i] = account.pos[i + 1]
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local meta = minetest.get_meta(account.pos[i + 1])
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meta:set_int("id", i)
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end
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account.counter = account.counter - 1
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end
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function account.change(id, old_password, new_password)
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local salt = account.salt[id]
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local old_password_hashed = minetest.get_password_hash(salt, old_password)
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local new_password_hashed = minetest.get_password_hash(salt, new_password)
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if old_password_hashed ~= account.password[id] then
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return false
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end
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account.password[id] = new_password_hashed
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account.save()
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return true
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end
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function account.check(id, password)
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local salt = account.salt[id]
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local password_hashed = minetest.get_password_hash(salt, password)
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return password_hashed == account.password[id]
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end
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function account.formspec()
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local ret = "size[12,8]label[0,0;Password Chest Database]"
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ret = ret .. "tablecolumns[text;text;text;text;text;text;text;text]"
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ret = ret .. "table[0.5,1;10.5,6;table;ID,,Player,X,Y,Z,Salt,Password (Hashed)"
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for i = 1, account.counter, 1 do
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local meta = minetest.get_meta(account.pos[i])
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ret = ret ..
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"," .. i ..
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",," ..
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meta:get_string("owner") ..
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"," .. account.pos[i].x ..
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"," .. account.pos[i].y ..
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"," .. account.pos[i].z ..
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"," .. account.salt[i] ..
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"," .. account.password[i]
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end
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ret = ret .. ";-1]"
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ret = ret .. "button_exit[0.5,7;2,1;close;Close]"
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return ret
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end
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account.init()
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