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
|
# frozen_string_literal: true
require 'openssl'
module Devise
class TokenGenerator
def initialize(key_generator, digest = "SHA256")
@key_generator = key_generator
@digest = digest
end
def digest(klass, column, value)
value.present? && OpenSSL::HMAC.hexdigest(@digest, key_for(column), value.to_s)
end
def generate(klass, column)
key = key_for(column)
loop do
raw = Devise.friendly_token
enc = OpenSSL::HMAC.hexdigest(@digest, key, raw)
break [raw, enc] unless klass.to_adapter.find_first({ column => enc })
end
end
private
def key_for(column)
@key_generator.generate_key("Devise #{column}")
end
end
end
|
