1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
|
-- Minetest: builtin/auth.lua
--
-- Builtin authentication handler
--
-- Make the auth object private, deny access to mods
local core_auth = core.auth
core.auth = nil
core.builtin_auth_handler = {
get_auth = function(name)
assert(type(name) == "string")
local auth_entry = core_auth.read(name)
-- If no such auth found, return nil
if not auth_entry then
return nil
end
-- Figure out what privileges the player should have.
-- Take a copy of the privilege table
local privileges = {}
for priv, _ in pairs(auth_entry.privileges) do
privileges[priv] = true
end
-- If singleplayer, give all privileges except those marked as give_to_singleplayer = false
if core.is_singleplayer() then
for priv, def in pairs(core.registered_privileges) do
if def.give_to_singleplayer then
privileges[priv] = true
end
end
-- For the admin, give everything
elseif name == core.settings:get("name") then
for priv, def in pairs(core.registered_privileges) do
if def.give_to_admin then
privileges[priv] = true
end
end
end
-- All done
return {
password = auth_entry.password,
privileges = privileges,
last_login = auth_entry.last_login,
}
end,
create_auth = function(name, password)
assert(type(name) == "string")
assert(type(password) == "string")
core.log('info', "Built-in authentication handler adding player '"..name.."'")
return core_auth.create({
name = name,
password = password,
privileges = core.string_to_privs(core.settings:get("default_privs")),
last_login = -1, -- Defer login time calculation until record_login (called by on_joinplayer)
})
end,
delete_auth = function(name)
assert(type(name) == "string")
local auth_entry = core_auth.read(name)
if not auth_entry then
return false
end
core.log('info', "Built-in authentication handler deleting player '"..name.."'")
return core_auth.delete(name)
end,
set_password = function(name, password)
assert(type(name) == "string")
assert(type(password) == "string")
local auth_entry = core_auth.read(name)
if not auth_entry then
core.builtin_auth_handler.create_auth(name, password)
else
core.log('info', "Built-in authentication handler setting password of player '"..name.."'")
auth_entry.password = password
core_auth.save(auth_entry)
end
return true
end,
set_privileges = function(name, privileges)
assert(type(name) == "string")
assert(type(privileges) == "table")
local auth_entry = core_auth.read(name)
if not auth_entry then
auth_entry = core.builtin_auth_handler.create_auth(name,
core.get_password_hash(name,
core.settings:get("default_password")))
end
-- Run grant callbacks
for priv, _ in pairs(privileges) do
if not auth_entry.privileges[priv] then
core.run_priv_callbacks(name, priv, nil, "grant")
end
end
-- Run revoke callbacks
for priv, _ in pairs(auth_entry.privileges) do
if not privileges[priv] then
core.run_priv_callbacks(name, priv, nil, "revoke")
end
end
auth_entry.privileges = privileges
core_auth.save(auth_entry)
core.notify_authentication_modified(name)
end,
reload = function()
core_auth.reload()
return true
end,
record_login = function(name)
assert(type(name) == "string")
local auth_entry = core_auth.read(name)
assert(auth_entry)
auth_entry.last_login = os.time()
core_auth.save(auth_entry)
end,
iterate = function()
local names = {}
local nameslist = core_auth.list_names()
for k,v in pairs(nameslist) do
names[v] = true
end
return pairs(names)
end,
}
core.register_on_prejoinplayer(function(name, ip)
if core.registered_auth_handler ~= nil then
return -- Don't do anything if custom auth handler registered
end
local auth_entry = core_auth.read(name)
if auth_entry ~= nil then
return
end
local name_lower = name:lower()
for k in core.builtin_auth_handler.iterate() do
if k:lower() == name_lower then
return string.format("\nCannot create new player called '%s'. "..
"Another account called '%s' is already registered. "..
"Please check the spelling if it's your account "..
"or use a different nickname.", name, k)
end
end
end)
--
-- Authentication API
--
function core.register_authentication_handler(handler)
if core.registered_auth_handler then
error("Add-on authentication handler already registered by "..core.registered_auth_handler_modname)
end
core.registered_auth_handler = handler
core.registered_auth_handler_modname = core.get_current_modname()
handler.mod_origin = core.registered_auth_handler_modname
end
function core.get_auth_handler()
return core.registered_auth_handler or core.builtin_auth_handler
end
local function auth_pass(name)
return function(...)
local auth_handler = core.get_auth_handler()
if auth_handler[name] then
return auth_handler[name](...)
end
return false
end
end
core.set_player_password = auth_pass("set_password")
core.set_player_privs = auth_pass("set_privileges")
core.remove_player_auth = auth_pass("delete_auth")
core.auth_reload = auth_pass("reload")
local record_login = auth_pass("record_login")
core.register_on_joinplayer(function(player)
record_login(player:get_player_name())
end)
|
