Class: AllscriptsUnityClient::JSONClientDriver

Inherits:
ClientDriver
  • Object
show all
Defined in:
lib/allscripts_unity_client/json_client_driver.rb

Overview

A ClientDriver that supports Unity’s JSON endpoints.

Constant Summary collapse

UNITY_JSON_ENDPOINT = 
'/Unity/UnityService.svc/json'
TOKEN_REGEX = 
/^"?(\w|-)+"?$/

Constants inherited from ClientDriver

ClientDriver::LOG_FILE

Instance Attribute Summary collapse

Attributes inherited from ClientDriver

#options

Instance Method Summary collapse

Methods inherited from ClientDriver

#security_token?

Constructor Details

#initialize(options) ⇒ JSONClientDriver

Returns a new instance of JSONClientDriver.



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# File 'lib/allscripts_unity_client/json_client_driver.rb', line 13

def initialize(options)
  super

  @connection = HTTPClient.new(
    proxy: @options.proxy,
    default_header: {'Content-Type' => 'application/json'}
  )

  set_http_client_ssl_config
  set_http_client_timeouts
end

Instance Attribute Details

#connection ⇒ Object

Returns the value of attribute connection.



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# File 'lib/allscripts_unity_client/json_client_driver.rb', line 8

def connection
  @connection
end

#json_base_url ⇒ Object

Returns the value of attribute json_base_url.



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# File 'lib/allscripts_unity_client/json_client_driver.rb', line 8

def json_base_url
  @json_base_url
end

#security_token ⇒ Object

Returns the value of attribute security_token.



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# File 'lib/allscripts_unity_client/json_client_driver.rb', line 8

def security_token
  @security_token
end

Instance Method Details

#build_uri(request_location) ⇒ Object 



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# File 'lib/allscripts_unity_client/json_client_driver.rb', line 42

def build_uri(request_location)
  "#{@options.base_unity_url}#{[UNITY_JSON_ENDPOINT, request_location].join('/')}"
end

#client_type ⇒ Object 



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# File 'lib/allscripts_unity_client/json_client_driver.rb', line 46

def client_type
  :json
end

#get_security_token!(parameters = {}) ⇒ Object

See Client#get_security_token!.



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# File 'lib/allscripts_unity_client/json_client_driver.rb', line 95

def get_security_token!(parameters = {})
  username = parameters[:username] || @options.username
  password = parameters[:password] || @options.password
  appname = parameters[:appname] || @options.appname

  request_data = {
    'Username' => username,
    'Password' => password,
    'Appname' => appname
  }

  start_timer
  response = @connection.post(build_uri('GetToken'), MultiJson.dump(request_data.to_hash))
  end_timer

  log_get_security_token
  log_info("Response Status: #{response.status}")

  if response.status != 200 || TOKEN_REGEX.match(response.body).nil?
    raise make_get_security_token_error
  else
    raise_if_response_error(response.body)

    @security_token = response.body
  end
end

#get_user_authentication(parameters = {}) ⇒ Object

See Client#get_user_authentication.



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# File 'lib/allscripts_unity_client/json_client_driver.rb', line 75

def get_user_authentication(parameters = {})
  response = magic({
                     action: 'GetUserAuthentication',
                     userid: parameters[:ehr_userid] || @options.ehr_userid,
                     parameter1: parameters[:ehr_password] || @options.ehr_password
                   })

  if response[:valid_user] == 'YES'
    @user_authentication = response
    log_info("allscripts_unity_client authentication attempt: success #{@options.base_unity_url}")
    return true
  elsif response[:valid_user] == 'NO'
    log_warn("allscripts_unity_client authentication attempt: failure #{@options.base_unity_url}")
    return false
  else
    raise StandardError.new('Unexpected response from the server')
  end
end

#magic(parameters = {}) ⇒ Object 



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# File 'lib/allscripts_unity_client/json_client_driver.rb', line 50

def magic(parameters = {})
  request = JSONUnityRequest.new(parameters, @options.timezone, @options.appname, @security_token, @options.raw_dates)
  request_hash = request.to_hash
  request_data = MultiJson.dump(request_hash)

  start_timer
  response = @connection.post(build_uri('MagicJson'), request_data)
  end_timer

  # NOTE: ClientDriver#log_magic uses ClientDriver#log_info, which
  # appends timing info (if end_timer has been called previously),
  # and then resets the timer.
  #
  # It would be nice if future work made this less stateful.
  log_magic(request)
  log_info("Response Status: #{response.status}")

  response = MultiJson.load(response.body)
  raise_if_response_error(response)

  response = JSONUnityResponse.new(response, @options.timezone)
  response.to_hash
end

#retire_security_token!(parameters = {}) ⇒ Object

See Client#retire_security_token!.



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# File 'lib/allscripts_unity_client/json_client_driver.rb', line 123

def retire_security_token!(parameters = {})
  token = parameters[:token] || @security_token
  appname = parameters[:appname] || @options.appname

  request_data = {
    'Token' => token,
    'Appname' => appname
  }

  start_timer
  response = @connection.post(build_uri('RetireSecurityToken'), MultiJson.dump(request_data.to_hash))
  end_timer

  raise_if_response_error(response.body)
  log_retire_security_token

  @security_token = nil
  revoke_authentication
end

#revoke_authentication ⇒ Object 



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# File 'lib/allscripts_unity_client/json_client_driver.rb', line 147

def revoke_authentication
  @user_authentication = nil
end

#set_http_client_ssl_config ⇒ Object 



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# File 'lib/allscripts_unity_client/json_client_driver.rb', line 31

def set_http_client_ssl_config
  ssl_options = OpenSSL::SSL::OP_ALL
  ssl_options &= ~OpenSSL::SSL::OP_DONT_INSERT_EMPTY_FRAGMENTS if defined?(OpenSSL::SSL::OP_DONT_INSERT_EMPTY_FRAGMENTS)
  ssl_options |= OpenSSL::SSL::OP_NO_COMPRESSION if defined?(OpenSSL::SSL::OP_NO_COMPRESSION)
  ssl_options |= OpenSSL::SSL::OP_NO_SSLv2 if defined?(OpenSSL::SSL::OP_NO_SSLv2)
  ssl_options |= OpenSSL::SSL::OP_NO_SSLv3 if defined?(OpenSSL::SSL::OP_NO_SSLv3)

  @connection.ssl_config.options = ssl_options
  @connection.ssl_config.ciphers = "ALL:!aNULL:!eNULL:!SSLv2"
end

#set_http_client_timeouts ⇒ Object 



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# File 'lib/allscripts_unity_client/json_client_driver.rb', line 25

def set_http_client_timeouts
  @connection.connect_timeout = @options.timeout || 90
  @connection.send_timeout = @options.timeout || 90
  @connection.receive_timeout = @options.timeout || 90
end

#user_authenticated? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/allscripts_unity_client/json_client_driver.rb', line 143

def user_authenticated?
  @user_authentication.present?
end