Class: Atalanda::Signature::Request

Inherits:
Object
  • Object
show all
Defined in:
lib/atalanda/signature.rb

Instance Method Summary collapse

Constructor Details

#initialize(method, path, parameters, time = Time.now) ⇒ Request

Returns a new instance of Request.



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# File 'lib/atalanda/signature.rb', line 16

def initialize(method, path, parameters, time=Time.now)
  @method = method.upcase
  @path = path
  @parameters = parameters
  @time = time.to_i
end

Instance Method Details

#authenticate(token, timestamp_grace = 600) ⇒ Object 



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# File 'lib/atalanda/signature.rb', line 33

def authenticate token, timestamp_grace=600
  if get_auth_hash.nil?
    return {
      "authenticated" => false,
      "reason" => "Auth hash is missing"
    }
  end

  if (@time - get_auth_hash["auth_timestamp"].to_i).abs > timestamp_grace
    return {
      "authenticated" => false,
      "reason" => "Auth timestamp is older than #{timestamp_grace} seconds"
    }
  end

  recalculated_signature = calculateSignature(token, buildParameterString(), get_auth_hash["auth_timestamp"])
  if recalculated_signature != get_auth_hash["auth_signature"]
    return {
      "authenticated" => false,
      "reason" => "Signature does not match"
    }
  end

  {
    "authenticated" => true
  }
end

#sign(token) ⇒ Object 



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# File 'lib/atalanda/signature.rb', line 23

def sign(token)
  param_string = buildParameterString()
  signature = calculateSignature(token, param_string, @time)
  @parameters.merge!({
    "auth_timestamp" => @time,
    "auth_key" => token.api_key,
    "auth_signature" => signature
  })
end