Module: Rails::Vault::JWT::Decoder

Defined in:
lib/rails/vault/jwt/decoder.rb

Class Method Summary collapse

Class Method Details

.decode(token) ⇒ Object 



12
13
14
15
16
17
18
19
20
21
22
23
24
25
 
# File 'lib/rails/vault/jwt/decoder.rb', line 12

def decode(token)
  HashWithIndifferentAccess.new(::JWT.decode(
    token,
    nil,
    true,
    {
      algorithms: ['RS256', 'RS512'],
      jwks: key_provider.keys(issuer(token))
    }
  )[0])
rescue StandardError => e
  JWT.config.logger.error "Error while decoding token: #{e}"
  nil
end

.issuer(token) ⇒ Object 



27
28
29
30
31
 
# File 'lib/rails/vault/jwt/decoder.rb', line 27

def issuer(token)
  parts = token.split('.')
  body = HashWithIndifferentAccess.new(JSON.parse(Base64.decode64(parts[1])))
  body[:iss]
end

.key_provider ⇒ Object 



33
34
35
 
# File 'lib/rails/vault/jwt/decoder.rb', line 33

def key_provider
  @key_provider ||= KeyProvider.new
end