Class: JWT::Auth::Token

Inherits:
Object
  • Object
show all
Defined in:
lib/jwt/auth/token.rb

Overview

In-memory representation of JWT

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#issued_at ⇒ Object

Returns the value of attribute issued_at.



13
14
15
 
# File 'lib/jwt/auth/token.rb', line 13

def issued_at
  @issued_at
end

#subject ⇒ Object

Returns the value of attribute subject.



13
14
15
 
# File 'lib/jwt/auth/token.rb', line 13

def subject
  @subject
end

#token_version ⇒ Object

Returns the value of attribute token_version.



13
14
15
 
# File 'lib/jwt/auth/token.rb', line 13

def token_version
  @token_version
end

Class Method Details

.from_token(token) ⇒ Object 



58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
 
# File 'lib/jwt/auth/token.rb', line 58

def from_token(token)
  begin
    @decoded_payload = JWT.decode(token, JWT::Auth.secret).first
  rescue JWT::DecodeError
    @decoded_payload = {}
  end

  token = self.new
  token.issued_at = @decoded_payload['iat']
  token.token_version = @decoded_payload['ver']

  if @decoded_payload['sub']
    find_method = model.respond_to?(:find_by_token) ? :find_by_token : :find_by
    token.subject = model.send find_method, :id => @decoded_payload['sub'], :token_version => @decoded_payload['ver']
  end

  token
end

.from_user(subject) ⇒ Object 



38
39
40
41
42
43
 
# File 'lib/jwt/auth/token.rb', line 38

def self.from_user(subject)
  token = self.new
  token.subject = subject

  token
end

Instance Method Details

#lifetime ⇒ Object 



53
54
55
 
# File 'lib/jwt/auth/token.rb', line 53

def lifetime
  JWT::Auth.token_lifetime
end

#payload ⇒ Object 



45
46
47
48
49
50
51
 
# File 'lib/jwt/auth/token.rb', line 45

def payload
  {
    :iat => issued_at || Time.now.to_i,
    :sub => subject.id,
    :ver => token_version || subject.token_version
  }
end

#renew! ⇒ Object 



29
30
31
32
 
# File 'lib/jwt/auth/token.rb', line 29

def renew!
  self.issued_at = nil
  self.token_version = nil
end

#to_jwt ⇒ Object 



34
35
36
 
# File 'lib/jwt/auth/token.rb', line 34

def to_jwt
  JWT.encode payload, JWT::Auth.secret
end

#valid? ⇒ Boolean

Returns:

  • (Boolean) 


15
16
17
18
19
20
21
22
23
24
25
26
27
 
# File 'lib/jwt/auth/token.rb', line 15

def valid?
  # Reload subject to prevent caching the old token_version
  subject && subject.reload

  return false if subject.nil? || issued_at.nil? || token_version.nil?
  return false if Time.at(issued_at + lifetime.to_i).past?
  return false if Time.at(issued_at).future?
  return false if token_version != subject.token_version

  true
rescue ActiveRecord::RecordNotFound
  false
end