blob: 552f50eb9d460f482813aea3484613e1634f3404 (
plain)
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
|
local to_hex = require "resty.string".to_hex
local tonumber = tonumber
local gsub = string.gsub
local char = string.char
local function chr(c)
return char(tonumber(c, 16) or 0)
end
local encoder = {}
function encoder.encode(value)
if not value then
return nil, "unable to base16 encode value"
end
return to_hex(value)
end
function encoder.decode(value)
if not value then
return nil, "unable to base16 decode value"
end
return (gsub(value, "..", chr))
end
return encoder
|
