Class: FacebookSession::MessageDecoder

Inherits:
Object
  • Object
show all
Defined in:
lib/facebook_session/message_decoder.rb

Instance Method Summary collapse

Constructor Details

#initialize(secret) ⇒ MessageDecoder

Returns a new instance of MessageDecoder.



5
6
7
 
# File 'lib/facebook_session/message_decoder.rb', line 5

def initialize(secret)
  @secret = secret
end

Instance Method Details

#decode(string) ⇒ Object 



9
10
11
12
13
14
15
16
17
18
 
# File 'lib/facebook_session/message_decoder.rb', line 9

def decode(string)
  encoded_digest, payload = string.split('.')
  digest = decode_base64(encoded_digest)

  if valid_digest?(payload, digest)
    parse_payload(payload)
  else
    raise FacebookSession::InvalidSignature
  end
end