Class: ChartCandy::Authentication

Inherits:
Object
  • Object
show all
Defined in:
lib/chart-candy/authentication.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(request_url, params = {}) ⇒ Authentication

Returns a new instance of Authentication.



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# File 'lib/chart-candy/authentication.rb', line 21

def initialize(request_url, params={})
  @request_url = request_url
  @params = params
end

Class Method Details

.compact_params(original_params) ⇒ Object 



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# File 'lib/chart-candy/authentication.rb', line 5

def self.compact_params(original_params)
  compacted_params = ''

  original_params.each { |k,v| compacted_params << (k.to_s + v.to_s) if not self.reserved_params.include?(k.to_s) }

  return compacted_params
end

.reserved_params ⇒ Object 



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# File 'lib/chart-candy/authentication.rb', line 13

def self.reserved_params
  ['action', 'class', 'controller', 'format', 'from', 'nature', 'step', 'to', 'token', 'tools', 'update_every', 'version']
end

.tokenize(str) ⇒ Object 



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# File 'lib/chart-candy/authentication.rb', line 17

def self.tokenize(str)
  OpenSSL::HMAC.hexdigest(OpenSSL::Digest::SHA1.new, Rails.configuration.secret_token, str.chars.sort.join.gsub('/', ''))
end

Instance Method Details

#expired? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/chart-candy/authentication.rb', line 26

def expired?
  @params[:timestamp] and Time.parse(@params[:timestamp]) + 12.hours < Time.now
end

#valid_token? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/chart-candy/authentication.rb', line 30

def valid_token?
  @params[:token] == tokenize(filter_url)
end