Class: Redirectr::ReferrerToken

Inherits:
Object
  • Object
show all
Extended by:
ActiveModel::Naming
Defined in:
lib/redirectr/referrer_token.rb,
lib/redirectr/referrer_token/global_var_storage.rb,
lib/redirectr/referrer_token/active_record_storage.rb

Defined Under Namespace

Classes: ActiveRecordStorage, GlobalVarStorage

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(url, token = nil) ⇒ ReferrerToken

Returns a new instance of ReferrerToken.



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# File 'lib/redirectr/referrer_token.rb', line 10

def initialize(url, token=nil)
  @url   = url
  @token = token

  if Redirectr.config.use_referrer_token
    if Redirectr.config.storage_implementation.nil?
      raise "Missing storage implementation for referrer tokens! please define config.x.redirectr.storage_implementation"
    end

    if Redirectr.config.reuse_tokens
      @token ||= Redirectr.config.storage_implementation.token_for_url(url)
    end
    @token ||= SecureRandom.hex(16)
  elsif Redirectr.config.encrypt_referrer
    @token ||= self.class.cryptr.encrypt_and_sign url
  else
    @token ||= url
  end
end

Instance Attribute Details

#token ⇒ Object (readonly)

Returns the value of attribute token.



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# File 'lib/redirectr/referrer_token.rb', line 8

def token
  @token
end

#url ⇒ Object (readonly)

Returns the value of attribute url.



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# File 'lib/redirectr/referrer_token.rb', line 8

def url
  @url
end

Class Method Details

.cryptr ⇒ Object 



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# File 'lib/redirectr/referrer_token.rb', line 68

def self.cryptr
  @cryptr ||= ActiveSupport::MessageEncryptor.new(Rails.application.secrets.secret_key_base)
end

.from_param(param) ⇒ Object 



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# File 'lib/redirectr/referrer_token.rb', line 52

def self.from_param(param)
  if Redirectr.config.encrypt_referrer
    ReferrerToken.new self.class.cryptr.decrypt_and_verify param
  elsif Redirectr.config.use_referrer_token
    self.lookup(param)
  else
    ReferrerToken.new param
  end
end

.lookup(token) ⇒ Object 



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# File 'lib/redirectr/referrer_token.rb', line 62

def self.lookup(token)
  Redirectr.config.storage_implementation.fetch token
end

Instance Method Details

#persisted? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/redirectr/referrer_token.rb', line 42

def persisted?
  true
end

#save ⇒ Object 



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# File 'lib/redirectr/referrer_token.rb', line 46

def save
  if Redirectr.config.use_referrer_token
    Redirectr.config.storage_implementation.store self
  end
end

#to_model ⇒ Object 



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# File 'lib/redirectr/referrer_token.rb', line 34

def to_model
  self
end

#to_param ⇒ Object 



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# File 'lib/redirectr/referrer_token.rb', line 30

def to_param
  @token
end

#to_s ⇒ Object 



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# File 'lib/redirectr/referrer_token.rb', line 38

def to_s
  @url
end