Module: Remit::SignatureUtilsForOutbound

Included in:
InboundRequest
Defined in:
lib/remit/signature_utils_for_outbound.rb

Constant Summary collapse

SIGNATURE_KEYNAME = 
"signature"
SIGNATURE_METHOD_KEYNAME = 
"signatureMethod"
SIGNATURE_VERSION_KEYNAME = 
"signatureVersion"
CERTIFICATE_URL_KEYNAME = 
"certificateUrl"
SIGNATURE_VERSION_2 = 
"2"

Instance Method Summary collapse

Instance Method Details

#check_parameters(params) ⇒ Object

Will raise an error if there are obvious problems with the request (indicating it was forged or corrupted)



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# File 'lib/remit/signature_utils_for_outbound.rb', line 50

def check_parameters(params)
#      begin
    raise ":parameters must be enumerable" unless params.kind_of? Enumerable

    signature = params[SIGNATURE_KEYNAME];
    raise "'signature' is missing from the parameters." if (signature.nil?)

    signature_version = params[SIGNATURE_VERSION_KEYNAME];
    raise "'signatureVersion' is missing from the parameters." if (signature_version.nil?)
    raise "'signatureVersion' present in parameters is invalid. Valid values are: 2" if (signature_version != SIGNATURE_VERSION_2)

    signature_method = params[SIGNATURE_METHOD_KEYNAME]
    raise "'signatureMethod' is missing from the parameters." if (signature_method.nil?)

    certificate_url = params[CERTIFICATE_URL_KEYNAME]
    raise "'certificate_url' is missing from the parameters." if (certificate_url.nil?)
    return true
#      rescue
#        puts "There was a problem with parameters being invalid or missing."
#        return false
#      end
end

#get_http_params(params) ⇒ Object

def get_http_data(url)

  #2. fetch certificate if not found in cache
  uri = URI.parse(url)
  http_session = Net::HTTP.new(uri.host, uri.port)
  http_session.use_ssl = true
  http_session.ca_file = 'ca-bundle.crt'
  http_session.verify_mode = OpenSSL::SSL::VERIFY_PEER
  http_session.verify_depth = 5

  res = http_session.start {|http_session|
    req = Net::HTTP::Get.new(url, {"User-Agent" => USER_AGENT_STRING})
    http_session.request(req)
  }

  return res.body
end

def starts_with(string, prefix)
  prefix = prefix.to_s
  string[0, prefix.length] == prefix
end



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# File 'lib/remit/signature_utils_for_outbound.rb', line 37

def get_http_params(params)
   params.map do |(k, v)|
      urlencode(k) + "=" + urlencode(v)
   end.join("&")
end

#urlencode(plaintext) ⇒ Object

Convert a string into URL encoded form.



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# File 'lib/remit/signature_utils_for_outbound.rb', line 11

def urlencode(plaintext)
  CGI.escape(plaintext.to_s).gsub("+", "%20").gsub("%7E", "~")
end