Class: Kanoko::Configure

Inherits:
Object
  • Object
show all
Defined in:
lib/kanoko/configure.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Configure

digest_func expect String secret_key expect String hash_proc expect Proc

example:

Kanoko.configure do |c|
  c.digest_func = "sha1"
  c.secret_key = "secret"
end
Kanoko.path_for(:resize, "100x100") #=> "/hashing_value/resize/100x100"



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# File 'lib/kanoko/configure.rb', line 19

def initialize
  @digest_func = ENV['KANOKO_DIGEST_FUNC']
  @secret_key = ENV['KANOKO_SECRET_KEY']
  @hash_proc = lambda do |*args|
    if @digest_func.nil? || @secret_key.nil?
      fail ConfigureError, "`digest_func' and `secret_key' must be set"
    end
    Base64.urlsafe_encode64(
      OpenSSL::HMAC.digest(
        @digest_func,
        @secret_key,
        args.map(&:to_s).join(','),
      ),
    )
  end
end

Instance Attribute Details

#digest_func ⇒ Object

Returns the value of attribute digest_func.



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# File 'lib/kanoko/configure.rb', line 7

def digest_func
  @digest_func
end

#hash_proc ⇒ Object

Returns the value of attribute hash_proc.



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# File 'lib/kanoko/configure.rb', line 7

def hash_proc
  @hash_proc
end

#secret_key ⇒ Object

Returns the value of attribute secret_key.



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# File 'lib/kanoko/configure.rb', line 7

def secret_key
  @secret_key
end