Class: DIDWW::Callback::RequestValidator

Inherits:

Object

• Object
• DIDWW::Callback::RequestValidator

Defined in:

lib/didww/callback/request_validator.rb

Overview

signature = env validator.validate(uri, params, signature) #=> true if the request is from DIDWW # or with rails

Examples:

validator = DIDWW::Callback::RequestValidator.new(api_key)
uri = request.original_url
if request.post?
  # Collect all parameters passed from DIDWW.
  params = env['rack.request.form_hash']
else
  params = env['rack.request.query_hash']
end

Constant Summary

DIGEST_ALGO =

'SHA1'

HEADER =

'X-DIDWW-Signature'

Instance Method Summary

• #initialize(api_key) ⇒ RequestValidator constructor

  A new instance of RequestValidator.

• #validate(url, payload, signature) ⇒ Boolean

  Whether signature valid or not.

Constructor Details

#initialize(api_key) ⇒ RequestValidator

Returns a new instance of RequestValidator.

# File 'lib/didww/callback/request_validator.rb', line 23

def initialize(api_key)
  @api_key = api_key
end

Instance Method Details

#validate(url, payload, signature) ⇒ Boolean

Returns whether signature valid or not.

Parameters:

• url (String)
• payload (Hash)
• signature (String)

Returns:

• (Boolean) —

  whether signature valid or not.

# File 'lib/didww/callback/request_validator.rb', line 31

def validate(url, payload, signature)
  return false if signature.blank?

  signature == valid_signature(url, payload)
end