Class: Agms::Connect

Inherits:
Object
  • Object
show all
Defined in:
lib/agms/connect.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(config) ⇒ Connect

Returns a new instance of Connect.



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# File 'lib/agms/connect.rb', line 31

def initialize(config)
  @config = config
end

Class Method Details

.is_exception_status(status) ⇒ Object 



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# File 'lib/agms/connect.rb', line 4

def self.is_exception_status(status)
      if [200, 201, 422].include?(status)
    return true
  else
    return false
  end
end

.raise_exception_for_status(status, message = nil) ⇒ Object 



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# File 'lib/agms/connect.rb', line 12

def self.raise_exception_for_status(status, message=nil)
  case status.to_i
    when 401
      raise AuthenticationError
    when 403
      raise AuthorizationError, message
    when 404
      raise NotFoundError
    when 426
      raise UpgradeRequiredError
    when 500
      raise ServerError
    when 503
      raise DownForMaintenanceError
    else
      raise UnexpectedError, "Unexpected HTTP_RESPONSE #{status.to_i}"
  end
end

Instance Method Details

#_buildHeaders(request_method) ⇒ Object

Build Header



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# File 'lib/agms/connect.rb', line 98

def _buildHeaders(request_method)
  return {
           'Accept' => 'application/xml',
           'Content-type' => 'text/xml; charset=utf-8',
           'User-Agent' => '(Agms Ruby ' + Agms.getLibraryVersion() + ')',
           'X-ApiVersion' => Agms.getAPIVersion(),
           'SOAPAction' => 'https://gateway.agms.com/roxapi/' + request_method
       }
end

#_buildRequest(request, request_method) ⇒ Object

Build Request



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# File 'lib/agms/connect.rb', line 109

def _buildRequest(request, request_method)
  header = '<soap:Envelope 
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
    xmlns:xsd="http://www.w3.org/2001/XMLSchema" 
    xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/">
            <soap:Body>'
          
        header_line = '<' + request_method + ' xmlns="https://gateway.agms.com/roxapi/">'
        body = _hashToXml(request)
        footer_line = '</' + request_method + '>'
        footer = '</soap:Body></soap:Envelope>'
        return header + header_line + body + footer_line + footer    
end

#_hashToXml(request) ⇒ Object

Build xml from Hash



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# File 'lib/agms/connect.rb', line 124

def _hashToXml(request)
  data = ''
  request.each do |key, value|
    if value != ''
      # Open Tag
      data = data + "<#{key}>"
      # Check whether value is still a hash
      if value.class == Hash
        value = _hashToXml(value)
      end
      # Add data
      data = data + "#{value}"
      # Close Tag
      data = data + "</#{key}>"
    end
  end
  return data
end

#_http_do(http_verb, url, headers = nil, body = nil) ⇒ Object 



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# File 'lib/agms/connect.rb', line 58

def _http_do(http_verb, url, headers = nil, body = nil)
  connection = Net::HTTP.new(Configuration.server, Configuration.port)
  connection.open_timeout = 60
  connection.read_timeout = 60
  
  connection.use_ssl = true
  connection.verify_mode = OpenSSL::SSL::VERIFY_PEER
  
  # connection.ca_file = @config.ca_file
  connection.verify_callback = proc { |preverify_ok, ssl_context| _verify_ssl_certificate(preverify_ok, ssl_context) }

  # Debug connection
  if Configuration.verbose
    connection.set_debug_output($stdout)
  end

  connection.start do |http|
    request = http_verb.new(url)
    
    if headers
      headers.each do |key, value|
        request[key] = value
      end
    end
    if body
      request.body = body
    end

    response = http.request(request)
    if response.code.to_i == 200 || response.code.to_i == 201 || response.code.to_i == 422
      return response.body
    else
     Connect.raise_exception_for_status(response.code)
   end
  end
rescue OpenSSL::SSL::SSLError
  raise SSLCertificateError
end

#_parseResponse(xml, request_method) ⇒ Object

Parse the response received from gateway



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# File 'lib/agms/connect.rb', line 154

def _parseResponse(xml, request_method)
   # Parse the response body
   doc = Nokogiri::XML(xml)
   # Remove the namespaces
   doc.remove_namespaces!
   response = {}
   # Extract the response data from the #{request_method}Result node
   if request_method != 'ReturnHostedPaymentSetup'
     doc.xpath("//#{request_method}Result//*").each do |node|
       response[node.name] = node.children.text
     end
   else
     doc.xpath("//#{request_method}Response//*").each do |node|
       response = node.children.text
     end
   end

   return response
end

#_verify_ssl_certificate(preverify_ok, ssl_context) ⇒ Object 



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# File 'lib/agms/connect.rb', line 143

def _verify_ssl_certificate(preverify_ok, ssl_context)
  if preverify_ok != true || ssl_context.error != 0
    err_msg = "SSL Verification failed -- Preverify: #{preverify_ok}, Error: #{ssl_context.error_string} (#{ssl_context.error})"
    @config.logger.error err_msg
    false
  else
    true
  end
end

#connect(url, request, request_method, response_object) ⇒ Object 



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# File 'lib/agms/connect.rb', line 35

def connect(url, request, request_method, response_object)
    headers = _buildHeaders(request_method)
    request_body = _buildRequest(request, request_method)
    response_body = post(url, headers, request_body)
    return _parseResponse(response_body, request_method)
end

#delete(url, headers = nil, body = nil) ⇒ Object 



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# File 'lib/agms/connect.rb', line 46

def delete(url, headers = nil, body = nil)
      return _http_do(Net::HTTP::Delete, url, headers, body)
end

#get(url, headers = nil, body = nil) ⇒ Object 



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# File 'lib/agms/connect.rb', line 50

def get(url, headers = nil, body = nil)
  return _http_do Net::HTTP::Get, url, headers, body
end

#post(url, headers = nil, body = nil) ⇒ Object 



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# File 'lib/agms/connect.rb', line 42

def post(url, headers = nil, body = nil)
  return _http_do(Net::HTTP::Post, url, headers, body)
end

#put(url, headers = nil, body = nil) ⇒ Object 



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# File 'lib/agms/connect.rb', line 54

def put(url, headers = nil, body = nil)
  return _http_do Net::HTTP::Put, url, headers, body
end